Index: vendor-sys/ena-com/1.1.4.1/ena_admin_defs.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_admin_defs.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_admin_defs.h (revision 317516) @@ -0,0 +1,1412 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_ADMIN_H_ +#define _ENA_ADMIN_H_ + +enum ena_admin_aq_opcode { + ENA_ADMIN_CREATE_SQ = 1, + + ENA_ADMIN_DESTROY_SQ = 2, + + ENA_ADMIN_CREATE_CQ = 3, + + ENA_ADMIN_DESTROY_CQ = 4, + + ENA_ADMIN_GET_FEATURE = 8, + + ENA_ADMIN_SET_FEATURE = 9, + + ENA_ADMIN_GET_STATS = 11, +}; + +enum ena_admin_aq_completion_status { + ENA_ADMIN_SUCCESS = 0, + + ENA_ADMIN_RESOURCE_ALLOCATION_FAILURE = 1, + + ENA_ADMIN_BAD_OPCODE = 2, + + ENA_ADMIN_UNSUPPORTED_OPCODE = 3, + + ENA_ADMIN_MALFORMED_REQUEST = 4, + + /* Additional status is provided in ACQ entry extended_status */ + ENA_ADMIN_ILLEGAL_PARAMETER = 5, + + ENA_ADMIN_UNKNOWN_ERROR = 6, +}; + +enum ena_admin_aq_feature_id { + ENA_ADMIN_DEVICE_ATTRIBUTES = 1, + + ENA_ADMIN_MAX_QUEUES_NUM = 2, + + ENA_ADMIN_HW_HINTS = 3, + + ENA_ADMIN_RSS_HASH_FUNCTION = 10, + + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG = 11, + + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG = 12, + + ENA_ADMIN_MTU = 14, + + ENA_ADMIN_RSS_HASH_INPUT = 18, + + ENA_ADMIN_INTERRUPT_MODERATION = 20, + + ENA_ADMIN_AENQ_CONFIG = 26, + + ENA_ADMIN_LINK_CONFIG = 27, + + ENA_ADMIN_HOST_ATTR_CONFIG = 28, + + ENA_ADMIN_FEATURES_OPCODE_NUM = 32, +}; + +enum ena_admin_placement_policy_type { + /* descriptors and headers are in host memory */ + ENA_ADMIN_PLACEMENT_POLICY_HOST = 1, + + /* descriptors and headers are in device memory (a.k.a Low Latency + * Queue) + */ + ENA_ADMIN_PLACEMENT_POLICY_DEV = 3, +}; + +enum ena_admin_link_types { + ENA_ADMIN_LINK_SPEED_1G = 0x1, + + ENA_ADMIN_LINK_SPEED_2_HALF_G = 0x2, + + ENA_ADMIN_LINK_SPEED_5G = 0x4, + + ENA_ADMIN_LINK_SPEED_10G = 0x8, + + ENA_ADMIN_LINK_SPEED_25G = 0x10, + + ENA_ADMIN_LINK_SPEED_40G = 0x20, + + ENA_ADMIN_LINK_SPEED_50G = 0x40, + + ENA_ADMIN_LINK_SPEED_100G = 0x80, + + ENA_ADMIN_LINK_SPEED_200G = 0x100, + + ENA_ADMIN_LINK_SPEED_400G = 0x200, +}; + +enum ena_admin_completion_policy_type { + /* completion queue entry for each sq descriptor */ + ENA_ADMIN_COMPLETION_POLICY_DESC = 0, + + /* completion queue entry upon request in sq descriptor */ + ENA_ADMIN_COMPLETION_POLICY_DESC_ON_DEMAND = 1, + + /* current queue head pointer is updated in OS memory upon sq + * descriptor request + */ + ENA_ADMIN_COMPLETION_POLICY_HEAD_ON_DEMAND = 2, + + /* current queue head pointer is updated in OS memory for each sq + * descriptor + */ + ENA_ADMIN_COMPLETION_POLICY_HEAD = 3, +}; + +/* basic stats return ena_admin_basic_stats while extanded stats return a + * buffer (string format) with additional statistics per queue and per + * device id + */ +enum ena_admin_get_stats_type { + ENA_ADMIN_GET_STATS_TYPE_BASIC = 0, + + ENA_ADMIN_GET_STATS_TYPE_EXTENDED = 1, +}; + +enum ena_admin_get_stats_scope { + ENA_ADMIN_SPECIFIC_QUEUE = 0, + + ENA_ADMIN_ETH_TRAFFIC = 1, +}; + +struct ena_admin_aq_common_desc { + /* 11:0 : command_id + * 15:12 : reserved12 + */ + uint16_t command_id; + + /* as appears in ena_admin_aq_opcode */ + uint8_t opcode; + + /* 0 : phase + * 1 : ctrl_data - control buffer address valid + * 2 : ctrl_data_indirect - control buffer address + * points to list of pages with addresses of control + * buffers + * 7:3 : reserved3 + */ + uint8_t flags; +}; + +/* used in ena_admin_aq_entry. Can point directly to control data, or to a + * page list chunk. Used also at the end of indirect mode page list chunks, + * for chaining. + */ +struct ena_admin_ctrl_buff_info { + uint32_t length; + + struct ena_common_mem_addr address; +}; + +struct ena_admin_sq { + uint16_t sq_idx; + + /* 4:0 : reserved + * 7:5 : sq_direction - 0x1 - Tx; 0x2 - Rx + */ + uint8_t sq_identity; + + uint8_t reserved1; +}; + +struct ena_admin_aq_entry { + struct ena_admin_aq_common_desc aq_common_descriptor; + + union { + uint32_t inline_data_w1[3]; + + struct ena_admin_ctrl_buff_info control_buffer; + } u; + + uint32_t inline_data_w4[12]; +}; + +struct ena_admin_acq_common_desc { + /* command identifier to associate it with the aq descriptor + * 11:0 : command_id + * 15:12 : reserved12 + */ + uint16_t command; + + uint8_t status; + + /* 0 : phase + * 7:1 : reserved1 + */ + uint8_t flags; + + uint16_t extended_status; + + /* serves as a hint what AQ entries can be revoked */ + uint16_t sq_head_indx; +}; + +struct ena_admin_acq_entry { + struct ena_admin_acq_common_desc acq_common_descriptor; + + uint32_t response_specific_data[14]; +}; + +struct ena_admin_aq_create_sq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + /* 4:0 : reserved0_w1 + * 7:5 : sq_direction - 0x1 - Tx, 0x2 - Rx + */ + uint8_t sq_identity; + + uint8_t reserved8_w1; + + /* 3:0 : placement_policy - Describing where the SQ + * descriptor ring and the SQ packet headers reside: + * 0x1 - descriptors and headers are in OS memory, + * 0x3 - descriptors and headers in device memory + * (a.k.a Low Latency Queue) + * 6:4 : completion_policy - Describing what policy + * to use for generation completion entry (cqe) in + * the CQ associated with this SQ: 0x0 - cqe for each + * sq descriptor, 0x1 - cqe upon request in sq + * descriptor, 0x2 - current queue head pointer is + * updated in OS memory upon sq descriptor request + * 0x3 - current queue head pointer is updated in OS + * memory for each sq descriptor + * 7 : reserved15_w1 + */ + uint8_t sq_caps_2; + + /* 0 : is_physically_contiguous - Described if the + * queue ring memory is allocated in physical + * contiguous pages or split. + * 7:1 : reserved17_w1 + */ + uint8_t sq_caps_3; + + /* associated completion queue id. This CQ must be created prior to + * SQ creation + */ + uint16_t cq_idx; + + /* submission queue depth in entries */ + uint16_t sq_depth; + + /* SQ physical base address in OS memory. This field should not be + * used for Low Latency queues. Has to be page aligned. + */ + struct ena_common_mem_addr sq_ba; + + /* specifies queue head writeback location in OS memory. Valid if + * completion_policy is set to completion_policy_head_on_demand or + * completion_policy_head. Has to be cache aligned + */ + struct ena_common_mem_addr sq_head_writeback; + + uint32_t reserved0_w7; + + uint32_t reserved0_w8; +}; + +enum ena_admin_sq_direction { + ENA_ADMIN_SQ_DIRECTION_TX = 1, + + ENA_ADMIN_SQ_DIRECTION_RX = 2, +}; + +struct ena_admin_acq_create_sq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; + + uint16_t sq_idx; + + uint16_t reserved; + + /* queue doorbell address as an offset to PCIe MMIO REG BAR */ + uint32_t sq_doorbell_offset; + + /* low latency queue ring base address as an offset to PCIe MMIO + * LLQ_MEM BAR + */ + uint32_t llq_descriptors_offset; + + /* low latency queue headers' memory as an offset to PCIe MMIO + * LLQ_MEM BAR + */ + uint32_t llq_headers_offset; +}; + +struct ena_admin_aq_destroy_sq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + struct ena_admin_sq sq; +}; + +struct ena_admin_acq_destroy_sq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; +}; + +struct ena_admin_aq_create_cq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + /* 4:0 : reserved5 + * 5 : interrupt_mode_enabled - if set, cq operates + * in interrupt mode, otherwise - polling + * 7:6 : reserved6 + */ + uint8_t cq_caps_1; + + /* 4:0 : cq_entry_size_words - size of CQ entry in + * 32-bit words, valid values: 4, 8. + * 7:5 : reserved7 + */ + uint8_t cq_caps_2; + + /* completion queue depth in # of entries. must be power of 2 */ + uint16_t cq_depth; + + /* msix vector assigned to this cq */ + uint32_t msix_vector; + + /* cq physical base address in OS memory. CQ must be physically + * contiguous + */ + struct ena_common_mem_addr cq_ba; +}; + +struct ena_admin_acq_create_cq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; + + uint16_t cq_idx; + + /* actual cq depth in number of entries */ + uint16_t cq_actual_depth; + + uint32_t numa_node_register_offset; + + uint32_t cq_head_db_register_offset; + + uint32_t cq_interrupt_unmask_register_offset; +}; + +struct ena_admin_aq_destroy_cq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + uint16_t cq_idx; + + uint16_t reserved1; +}; + +struct ena_admin_acq_destroy_cq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; +}; + +/* ENA AQ Get Statistics command. Extended statistics are placed in control + * buffer pointed by AQ entry + */ +struct ena_admin_aq_get_stats_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + union { + /* command specific inline data */ + uint32_t inline_data_w1[3]; + + struct ena_admin_ctrl_buff_info control_buffer; + } u; + + /* stats type as defined in enum ena_admin_get_stats_type */ + uint8_t type; + + /* stats scope defined in enum ena_admin_get_stats_scope */ + uint8_t scope; + + uint16_t reserved3; + + /* queue id. used when scope is specific_queue */ + uint16_t queue_idx; + + /* device id, value 0xFFFF means mine. only privileged device can get + * stats of other device + */ + uint16_t device_id; +}; + +/* Basic Statistics Command. */ +struct ena_admin_basic_stats { + uint32_t tx_bytes_low; + + uint32_t tx_bytes_high; + + uint32_t tx_pkts_low; + + uint32_t tx_pkts_high; + + uint32_t rx_bytes_low; + + uint32_t rx_bytes_high; + + uint32_t rx_pkts_low; + + uint32_t rx_pkts_high; + + uint32_t rx_drops_low; + + uint32_t rx_drops_high; +}; + +struct ena_admin_acq_get_stats_resp { + struct ena_admin_acq_common_desc acq_common_desc; + + struct ena_admin_basic_stats basic_stats; +}; + +struct ena_admin_get_set_feature_common_desc { + /* 1:0 : select - 0x1 - current value; 0x3 - default + * value + * 7:3 : reserved3 + */ + uint8_t flags; + + /* as appears in ena_admin_aq_feature_id */ + uint8_t feature_id; + + uint16_t reserved16; +}; + +struct ena_admin_device_attr_feature_desc { + uint32_t impl_id; + + uint32_t device_version; + + /* bitmap of ena_admin_aq_feature_id */ + uint32_t supported_features; + + uint32_t reserved3; + + /* Indicates how many bits are used physical address access. */ + uint32_t phys_addr_width; + + /* Indicates how many bits are used virtual address access. */ + uint32_t virt_addr_width; + + /* unicast MAC address (in Network byte order) */ + uint8_t mac_addr[6]; + + uint8_t reserved7[2]; + + uint32_t max_mtu; +}; + +struct ena_admin_queue_feature_desc { + /* including LLQs */ + uint32_t max_sq_num; + + uint32_t max_sq_depth; + + uint32_t max_cq_num; + + uint32_t max_cq_depth; + + uint32_t max_llq_num; + + uint32_t max_llq_depth; + + uint32_t max_header_size; + + /* Maximum Descriptors number, including meta descriptor, allowed for + * a single Tx packet + */ + uint16_t max_packet_tx_descs; + + /* Maximum Descriptors number allowed for a single Rx packet */ + uint16_t max_packet_rx_descs; +}; + +struct ena_admin_set_feature_mtu_desc { + /* exclude L2 */ + uint32_t mtu; +}; + +struct ena_admin_set_feature_host_attr_desc { + /* host OS info base address in OS memory. host info is 4KB of + * physically contiguous + */ + struct ena_common_mem_addr os_info_ba; + + /* host debug area base address in OS memory. debug area must be + * physically contiguous + */ + struct ena_common_mem_addr debug_ba; + + /* debug area size */ + uint32_t debug_area_size; +}; + +struct ena_admin_feature_intr_moder_desc { + /* interrupt delay granularity in usec */ + uint16_t intr_delay_resolution; + + uint16_t reserved; +}; + +struct ena_admin_get_feature_link_desc { + /* Link speed in Mb */ + uint32_t speed; + + /* bit field of enum ena_admin_link types */ + uint32_t supported; + + /* 0 : autoneg + * 1 : duplex - Full Duplex + * 31:2 : reserved2 + */ + uint32_t flags; +}; + +struct ena_admin_feature_aenq_desc { + /* bitmask for AENQ groups the device can report */ + uint32_t supported_groups; + + /* bitmask for AENQ groups to report */ + uint32_t enabled_groups; +}; + +struct ena_admin_feature_offload_desc { + /* 0 : TX_L3_csum_ipv4 + * 1 : TX_L4_ipv4_csum_part - The checksum field + * should be initialized with pseudo header checksum + * 2 : TX_L4_ipv4_csum_full + * 3 : TX_L4_ipv6_csum_part - The checksum field + * should be initialized with pseudo header checksum + * 4 : TX_L4_ipv6_csum_full + * 5 : tso_ipv4 + * 6 : tso_ipv6 + * 7 : tso_ecn + */ + uint32_t tx; + + /* Receive side supported stateless offload + * 0 : RX_L3_csum_ipv4 - IPv4 checksum + * 1 : RX_L4_ipv4_csum - TCP/UDP/IPv4 checksum + * 2 : RX_L4_ipv6_csum - TCP/UDP/IPv6 checksum + * 3 : RX_hash - Hash calculation + */ + uint32_t rx_supported; + + uint32_t rx_enabled; +}; + +enum ena_admin_hash_functions { + ENA_ADMIN_TOEPLITZ = 1, + + ENA_ADMIN_CRC32 = 2, +}; + +struct ena_admin_feature_rss_flow_hash_control { + uint32_t keys_num; + + uint32_t reserved; + + uint32_t key[10]; +}; + +struct ena_admin_feature_rss_flow_hash_function { + /* 7:0 : funcs - bitmask of ena_admin_hash_functions */ + uint32_t supported_func; + + /* 7:0 : selected_func - bitmask of + * ena_admin_hash_functions + */ + uint32_t selected_func; + + /* initial value */ + uint32_t init_val; +}; + +/* RSS flow hash protocols */ +enum ena_admin_flow_hash_proto { + ENA_ADMIN_RSS_TCP4 = 0, + + ENA_ADMIN_RSS_UDP4 = 1, + + ENA_ADMIN_RSS_TCP6 = 2, + + ENA_ADMIN_RSS_UDP6 = 3, + + ENA_ADMIN_RSS_IP4 = 4, + + ENA_ADMIN_RSS_IP6 = 5, + + ENA_ADMIN_RSS_IP4_FRAG = 6, + + ENA_ADMIN_RSS_NOT_IP = 7, + + /* TCPv6 with extension header */ + ENA_ADMIN_RSS_TCP6_EX = 8, + + /* IPv6 with extension header */ + ENA_ADMIN_RSS_IP6_EX = 9, + + ENA_ADMIN_RSS_PROTO_NUM = 16, +}; + +/* RSS flow hash fields */ +enum ena_admin_flow_hash_fields { + /* Ethernet Dest Addr */ + ENA_ADMIN_RSS_L2_DA = BIT(0), + + /* Ethernet Src Addr */ + ENA_ADMIN_RSS_L2_SA = BIT(1), + + /* ipv4/6 Dest Addr */ + ENA_ADMIN_RSS_L3_DA = BIT(2), + + /* ipv4/6 Src Addr */ + ENA_ADMIN_RSS_L3_SA = BIT(3), + + /* tcp/udp Dest Port */ + ENA_ADMIN_RSS_L4_DP = BIT(4), + + /* tcp/udp Src Port */ + ENA_ADMIN_RSS_L4_SP = BIT(5), +}; + +struct ena_admin_proto_input { + /* flow hash fields (bitwise according to ena_admin_flow_hash_fields) */ + uint16_t fields; + + uint16_t reserved2; +}; + +struct ena_admin_feature_rss_hash_control { + struct ena_admin_proto_input supported_fields[ENA_ADMIN_RSS_PROTO_NUM]; + + struct ena_admin_proto_input selected_fields[ENA_ADMIN_RSS_PROTO_NUM]; + + struct ena_admin_proto_input reserved2[ENA_ADMIN_RSS_PROTO_NUM]; + + struct ena_admin_proto_input reserved3[ENA_ADMIN_RSS_PROTO_NUM]; +}; + +struct ena_admin_feature_rss_flow_hash_input { + /* supported hash input sorting + * 1 : L3_sort - support swap L3 addresses if DA is + * smaller than SA + * 2 : L4_sort - support swap L4 ports if DP smaller + * SP + */ + uint16_t supported_input_sort; + + /* enabled hash input sorting + * 1 : enable_L3_sort - enable swap L3 addresses if + * DA smaller than SA + * 2 : enable_L4_sort - enable swap L4 ports if DP + * smaller than SP + */ + uint16_t enabled_input_sort; +}; + +enum ena_admin_os_type { + ENA_ADMIN_OS_LINUX = 1, + + ENA_ADMIN_OS_WIN = 2, + + ENA_ADMIN_OS_DPDK = 3, + + ENA_ADMIN_OS_FREEBSD = 4, + + ENA_ADMIN_OS_IPXE = 5, +}; + +struct ena_admin_host_info { + /* defined in enum ena_admin_os_type */ + uint32_t os_type; + + /* os distribution string format */ + uint8_t os_dist_str[128]; + + /* OS distribution numeric format */ + uint32_t os_dist; + + /* kernel version string format */ + uint8_t kernel_ver_str[32]; + + /* Kernel version numeric format */ + uint32_t kernel_ver; + + /* 7:0 : major + * 15:8 : minor + * 23:16 : sub_minor + */ + uint32_t driver_version; + + /* features bitmap */ + uint32_t supported_network_features[4]; +}; + +struct ena_admin_rss_ind_table_entry { + uint16_t cq_idx; + + uint16_t reserved; +}; + +struct ena_admin_feature_rss_ind_table { + /* min supported table size (2^min_size) */ + uint16_t min_size; + + /* max supported table size (2^max_size) */ + uint16_t max_size; + + /* table size (2^size) */ + uint16_t size; + + uint16_t reserved; + + /* index of the inline entry. 0xFFFFFFFF means invalid */ + uint32_t inline_index; + + /* used for updating single entry, ignored when setting the entire + * table through the control buffer. + */ + struct ena_admin_rss_ind_table_entry inline_entry; +}; + +/* When hint value is 0, driver should use it's own predefined value */ +struct ena_admin_ena_hw_hints { + /* value in ms */ + uint16_t mmio_read_timeout; + + /* value in ms */ + uint16_t driver_watchdog_timeout; + + /* Per packet tx completion timeout. value in ms */ + uint16_t missing_tx_completion_timeout; + + uint16_t missed_tx_completion_count_threshold_to_reset; + + /* value in ms */ + uint16_t admin_completion_tx_timeout; + + uint16_t netdev_wd_timeout; + + uint16_t max_tx_sgl_size; + + uint16_t max_rx_sgl_size; + + uint16_t reserved[8]; +}; + +struct ena_admin_get_feat_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + struct ena_admin_ctrl_buff_info control_buffer; + + struct ena_admin_get_set_feature_common_desc feat_common; + + uint32_t raw[11]; +}; + +struct ena_admin_get_feat_resp { + struct ena_admin_acq_common_desc acq_common_desc; + + union { + uint32_t raw[14]; + + struct ena_admin_device_attr_feature_desc dev_attr; + + struct ena_admin_queue_feature_desc max_queue; + + struct ena_admin_feature_aenq_desc aenq; + + struct ena_admin_get_feature_link_desc link; + + struct ena_admin_feature_offload_desc offload; + + struct ena_admin_feature_rss_flow_hash_function flow_hash_func; + + struct ena_admin_feature_rss_flow_hash_input flow_hash_input; + + struct ena_admin_feature_rss_ind_table ind_table; + + struct ena_admin_feature_intr_moder_desc intr_moderation; + + struct ena_admin_ena_hw_hints hw_hints; + } u; +}; + +struct ena_admin_set_feat_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + struct ena_admin_ctrl_buff_info control_buffer; + + struct ena_admin_get_set_feature_common_desc feat_common; + + union { + uint32_t raw[11]; + + /* mtu size */ + struct ena_admin_set_feature_mtu_desc mtu; + + /* host attributes */ + struct ena_admin_set_feature_host_attr_desc host_attr; + + /* AENQ configuration */ + struct ena_admin_feature_aenq_desc aenq; + + /* rss flow hash function */ + struct ena_admin_feature_rss_flow_hash_function flow_hash_func; + + /* rss flow hash input */ + struct ena_admin_feature_rss_flow_hash_input flow_hash_input; + + /* rss indirection table */ + struct ena_admin_feature_rss_ind_table ind_table; + } u; +}; + +struct ena_admin_set_feat_resp { + struct ena_admin_acq_common_desc acq_common_desc; + + union { + uint32_t raw[14]; + } u; +}; + +struct ena_admin_aenq_common_desc { + uint16_t group; + + uint16_t syndrom; + + /* 0 : phase */ + uint8_t flags; + + uint8_t reserved1[3]; + + uint32_t timestamp_low; + + uint32_t timestamp_high; +}; + +/* asynchronous event notification groups */ +enum ena_admin_aenq_group { + ENA_ADMIN_LINK_CHANGE = 0, + + ENA_ADMIN_FATAL_ERROR = 1, + + ENA_ADMIN_WARNING = 2, + + ENA_ADMIN_NOTIFICATION = 3, + + ENA_ADMIN_KEEP_ALIVE = 4, + + ENA_ADMIN_AENQ_GROUPS_NUM = 5, +}; + +enum ena_admin_aenq_notification_syndrom { + ENA_ADMIN_SUSPEND = 0, + + ENA_ADMIN_RESUME = 1, + + ENA_ADMIN_UPDATE_HINTS = 2, +}; + +struct ena_admin_aenq_entry { + struct ena_admin_aenq_common_desc aenq_common_desc; + + /* command specific inline data */ + uint32_t inline_data_w4[12]; +}; + +struct ena_admin_aenq_link_change_desc { + struct ena_admin_aenq_common_desc aenq_common_desc; + + /* 0 : link_status */ + uint32_t flags; +}; + +struct ena_admin_aenq_keep_alive_desc { + struct ena_admin_aenq_common_desc aenq_common_desc; + + uint32_t rx_drops_low; + + uint32_t rx_drops_high; +}; + +struct ena_admin_ena_mmio_req_read_less_resp { + uint16_t req_id; + + uint16_t reg_off; + + /* value is valid when poll is cleared */ + uint32_t reg_val; +}; + +/* aq_common_desc */ +#define ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0) +#define ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0) +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT 1 +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1) +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT 2 +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2) + +/* sq */ +#define ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT 5 +#define ENA_ADMIN_SQ_SQ_DIRECTION_MASK GENMASK(7, 5) + +/* acq_common_desc */ +#define ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0) +#define ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0) + +/* aq_create_sq_cmd */ +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT 5 +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK GENMASK(7, 5) +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK GENMASK(3, 0) +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT 4 +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK GENMASK(6, 4) +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK BIT(0) + +/* aq_create_cq_cmd */ +#define ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT 5 +#define ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5) +#define ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK GENMASK(4, 0) + +/* get_set_feature_common_desc */ +#define ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK GENMASK(1, 0) + +/* get_feature_link_desc */ +#define ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK BIT(0) +#define ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT 1 +#define ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK BIT(1) + +/* feature_offload_desc */ +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK BIT(0) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT 1 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK BIT(1) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT 2 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK BIT(2) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT 3 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK BIT(3) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT 4 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK BIT(4) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT 5 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK BIT(5) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT 6 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK BIT(6) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT 7 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK BIT(7) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK BIT(0) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT 1 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK BIT(1) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT 2 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK BIT(2) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT 3 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK BIT(3) + +/* feature_rss_flow_hash_function */ +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK GENMASK(7, 0) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK GENMASK(7, 0) + +/* feature_rss_flow_hash_input */ +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT 1 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK BIT(1) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT 2 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK BIT(2) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT 1 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK BIT(1) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT 2 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK BIT(2) + +/* host_info */ +#define ENA_ADMIN_HOST_INFO_MAJOR_MASK GENMASK(7, 0) +#define ENA_ADMIN_HOST_INFO_MINOR_SHIFT 8 +#define ENA_ADMIN_HOST_INFO_MINOR_MASK GENMASK(15, 8) +#define ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT 16 +#define ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK GENMASK(23, 16) + +/* aenq_common_desc */ +#define ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0) + +/* aenq_link_change_desc */ +#define ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK BIT(0) + +#if !defined(ENA_DEFS_LINUX_MAINLINE) +static inline uint16_t get_ena_admin_aq_common_desc_command_id(const struct ena_admin_aq_common_desc *p) +{ + return p->command_id & ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline void set_ena_admin_aq_common_desc_command_id(struct ena_admin_aq_common_desc *p, uint16_t val) +{ + p->command_id |= val & ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline uint8_t get_ena_admin_aq_common_desc_phase(const struct ena_admin_aq_common_desc *p) +{ + return p->flags & ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK; +} + +static inline void set_ena_admin_aq_common_desc_phase(struct ena_admin_aq_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK; +} + +static inline uint8_t get_ena_admin_aq_common_desc_ctrl_data(const struct ena_admin_aq_common_desc *p) +{ + return (p->flags & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK) >> ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT; +} + +static inline void set_ena_admin_aq_common_desc_ctrl_data(struct ena_admin_aq_common_desc *p, uint8_t val) +{ + p->flags |= (val << ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT) & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK; +} + +static inline uint8_t get_ena_admin_aq_common_desc_ctrl_data_indirect(const struct ena_admin_aq_common_desc *p) +{ + return (p->flags & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK) >> ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT; +} + +static inline void set_ena_admin_aq_common_desc_ctrl_data_indirect(struct ena_admin_aq_common_desc *p, uint8_t val) +{ + p->flags |= (val << ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT) & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; +} + +static inline uint8_t get_ena_admin_sq_sq_direction(const struct ena_admin_sq *p) +{ + return (p->sq_identity & ENA_ADMIN_SQ_SQ_DIRECTION_MASK) >> ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT; +} + +static inline void set_ena_admin_sq_sq_direction(struct ena_admin_sq *p, uint8_t val) +{ + p->sq_identity |= (val << ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT) & ENA_ADMIN_SQ_SQ_DIRECTION_MASK; +} + +static inline uint16_t get_ena_admin_acq_common_desc_command_id(const struct ena_admin_acq_common_desc *p) +{ + return p->command & ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline void set_ena_admin_acq_common_desc_command_id(struct ena_admin_acq_common_desc *p, uint16_t val) +{ + p->command |= val & ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline uint8_t get_ena_admin_acq_common_desc_phase(const struct ena_admin_acq_common_desc *p) +{ + return p->flags & ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK; +} + +static inline void set_ena_admin_acq_common_desc_phase(struct ena_admin_acq_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_sq_direction(const struct ena_admin_aq_create_sq_cmd *p) +{ + return (p->sq_identity & ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK) >> ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT; +} + +static inline void set_ena_admin_aq_create_sq_cmd_sq_direction(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_identity |= (val << ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT) & ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_placement_policy(const struct ena_admin_aq_create_sq_cmd *p) +{ + return p->sq_caps_2 & ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK; +} + +static inline void set_ena_admin_aq_create_sq_cmd_placement_policy(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_caps_2 |= val & ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_completion_policy(const struct ena_admin_aq_create_sq_cmd *p) +{ + return (p->sq_caps_2 & ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK) >> ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT; +} + +static inline void set_ena_admin_aq_create_sq_cmd_completion_policy(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_caps_2 |= (val << ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT) & ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_is_physically_contiguous(const struct ena_admin_aq_create_sq_cmd *p) +{ + return p->sq_caps_3 & ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK; +} + +static inline void set_ena_admin_aq_create_sq_cmd_is_physically_contiguous(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_caps_3 |= val & ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_cq_cmd_interrupt_mode_enabled(const struct ena_admin_aq_create_cq_cmd *p) +{ + return (p->cq_caps_1 & ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK) >> ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT; +} + +static inline void set_ena_admin_aq_create_cq_cmd_interrupt_mode_enabled(struct ena_admin_aq_create_cq_cmd *p, uint8_t val) +{ + p->cq_caps_1 |= (val << ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT) & ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_cq_cmd_cq_entry_size_words(const struct ena_admin_aq_create_cq_cmd *p) +{ + return p->cq_caps_2 & ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; +} + +static inline void set_ena_admin_aq_create_cq_cmd_cq_entry_size_words(struct ena_admin_aq_create_cq_cmd *p, uint8_t val) +{ + p->cq_caps_2 |= val & ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; +} + +static inline uint8_t get_ena_admin_get_set_feature_common_desc_select(const struct ena_admin_get_set_feature_common_desc *p) +{ + return p->flags & ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK; +} + +static inline void set_ena_admin_get_set_feature_common_desc_select(struct ena_admin_get_set_feature_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK; +} + +static inline uint32_t get_ena_admin_get_feature_link_desc_autoneg(const struct ena_admin_get_feature_link_desc *p) +{ + return p->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK; +} + +static inline void set_ena_admin_get_feature_link_desc_autoneg(struct ena_admin_get_feature_link_desc *p, uint32_t val) +{ + p->flags |= val & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK; +} + +static inline uint32_t get_ena_admin_get_feature_link_desc_duplex(const struct ena_admin_get_feature_link_desc *p) +{ + return (p->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK) >> ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT; +} + +static inline void set_ena_admin_get_feature_link_desc_duplex(struct ena_admin_get_feature_link_desc *p, uint32_t val) +{ + p->flags |= (val << ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT) & ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L3_csum_ipv4(const struct ena_admin_feature_offload_desc *p) +{ + return p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L3_csum_ipv4(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= val & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_part(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_part(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_full(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_full(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_part(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_part(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_full(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_full(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_tso_ipv4(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_tso_ipv4(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_tso_ipv6(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_tso_ipv6(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_tso_ecn(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_tso_ecn(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_L3_csum_ipv4(const struct ena_admin_feature_offload_desc *p) +{ + return p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK; +} + +static inline void set_ena_admin_feature_offload_desc_RX_L3_csum_ipv4(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= val & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_L4_ipv4_csum(const struct ena_admin_feature_offload_desc *p) +{ + return (p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_RX_L4_ipv4_csum(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_L4_ipv6_csum(const struct ena_admin_feature_offload_desc *p) +{ + return (p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_RX_L4_ipv6_csum(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_hash(const struct ena_admin_feature_offload_desc *p) +{ + return (p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_RX_hash(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK; +} + +static inline uint32_t get_ena_admin_feature_rss_flow_hash_function_funcs(const struct ena_admin_feature_rss_flow_hash_function *p) +{ + return p->supported_func & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK; +} + +static inline void set_ena_admin_feature_rss_flow_hash_function_funcs(struct ena_admin_feature_rss_flow_hash_function *p, uint32_t val) +{ + p->supported_func |= val & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK; +} + +static inline uint32_t get_ena_admin_feature_rss_flow_hash_function_selected_func(const struct ena_admin_feature_rss_flow_hash_function *p) +{ + return p->selected_func & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK; +} + +static inline void set_ena_admin_feature_rss_flow_hash_function_selected_func(struct ena_admin_feature_rss_flow_hash_function *p, uint32_t val) +{ + p->selected_func |= val & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_L3_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->supported_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_L3_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->supported_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_L4_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->supported_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_L4_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->supported_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_enable_L3_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->enabled_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_enable_L3_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->enabled_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_enable_L4_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->enabled_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_enable_L4_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->enabled_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK; +} + +static inline uint32_t get_ena_admin_host_info_major(const struct ena_admin_host_info *p) +{ + return p->driver_version & ENA_ADMIN_HOST_INFO_MAJOR_MASK; +} + +static inline void set_ena_admin_host_info_major(struct ena_admin_host_info *p, uint32_t val) +{ + p->driver_version |= val & ENA_ADMIN_HOST_INFO_MAJOR_MASK; +} + +static inline uint32_t get_ena_admin_host_info_minor(const struct ena_admin_host_info *p) +{ + return (p->driver_version & ENA_ADMIN_HOST_INFO_MINOR_MASK) >> ENA_ADMIN_HOST_INFO_MINOR_SHIFT; +} + +static inline void set_ena_admin_host_info_minor(struct ena_admin_host_info *p, uint32_t val) +{ + p->driver_version |= (val << ENA_ADMIN_HOST_INFO_MINOR_SHIFT) & ENA_ADMIN_HOST_INFO_MINOR_MASK; +} + +static inline uint32_t get_ena_admin_host_info_sub_minor(const struct ena_admin_host_info *p) +{ + return (p->driver_version & ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK) >> ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT; +} + +static inline void set_ena_admin_host_info_sub_minor(struct ena_admin_host_info *p, uint32_t val) +{ + p->driver_version |= (val << ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT) & ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK; +} + +static inline uint8_t get_ena_admin_aenq_common_desc_phase(const struct ena_admin_aenq_common_desc *p) +{ + return p->flags & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK; +} + +static inline void set_ena_admin_aenq_common_desc_phase(struct ena_admin_aenq_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK; +} + +static inline uint32_t get_ena_admin_aenq_link_change_desc_link_status(const struct ena_admin_aenq_link_change_desc *p) +{ + return p->flags & ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK; +} + +static inline void set_ena_admin_aenq_link_change_desc_link_status(struct ena_admin_aenq_link_change_desc *p, uint32_t val) +{ + p->flags |= val & ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK; +} + +#endif /* !defined(ENA_DEFS_LINUX_MAINLINE) */ +#endif /*_ENA_ADMIN_H_ */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_admin_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_com.c =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_com.c (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_com.c (revision 317516) @@ -0,0 +1,2761 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "ena_com.h" +#ifdef ENA_INTERNAL +#include "ena_gen_info.h" +#endif + +/*****************************************************************************/ +/*****************************************************************************/ + +/* Timeout in micro-sec */ +#define ADMIN_CMD_TIMEOUT_US (3000000) + +#define ENA_ASYNC_QUEUE_DEPTH 16 +#define ENA_ADMIN_QUEUE_DEPTH 32 + +#define MIN_ENA_VER (((ENA_COMMON_SPEC_VERSION_MAJOR) << \ + ENA_REGS_VERSION_MAJOR_VERSION_SHIFT) \ + | (ENA_COMMON_SPEC_VERSION_MINOR)) + +#define ENA_CTRL_MAJOR 0 +#define ENA_CTRL_MINOR 0 +#define ENA_CTRL_SUB_MINOR 1 + +#define MIN_ENA_CTRL_VER \ + (((ENA_CTRL_MAJOR) << \ + (ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT)) | \ + ((ENA_CTRL_MINOR) << \ + (ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT)) | \ + (ENA_CTRL_SUB_MINOR)) + +#define ENA_DMA_ADDR_TO_UINT32_LOW(x) ((u32)((u64)(x))) +#define ENA_DMA_ADDR_TO_UINT32_HIGH(x) ((u32)(((u64)(x)) >> 32)) + +#define ENA_MMIO_READ_TIMEOUT 0xFFFFFFFF + +/*****************************************************************************/ +/*****************************************************************************/ +/*****************************************************************************/ + +enum ena_cmd_status { + ENA_CMD_SUBMITTED, + ENA_CMD_COMPLETED, + /* Abort - canceled by the driver */ + ENA_CMD_ABORTED, +}; + +struct ena_comp_ctx { + ena_wait_event_t wait_event; + struct ena_admin_acq_entry *user_cqe; + u32 comp_size; + enum ena_cmd_status status; + /* status from the device */ + u8 comp_status; + u8 cmd_opcode; + bool occupied; +}; + +struct ena_com_stats_ctx { + struct ena_admin_aq_get_stats_cmd get_cmd; + struct ena_admin_acq_get_stats_resp get_resp; +}; + +static inline int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, + struct ena_common_mem_addr *ena_addr, + dma_addr_t addr) +{ + if ((addr & GENMASK_ULL(ena_dev->dma_addr_bits - 1, 0)) != addr) { + ena_trc_err("dma address has more bits that the device supports\n"); + return ENA_COM_INVAL; + } + + ena_addr->mem_addr_low = (u32)addr; + ena_addr->mem_addr_high = (u64)addr >> 32; + + return 0; +} + +static int ena_com_admin_init_sq(struct ena_com_admin_queue *queue) +{ + struct ena_com_admin_sq *sq = &queue->sq; + u16 size = ADMIN_SQ_SIZE(queue->q_depth); + + ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, size, sq->entries, sq->dma_addr, + sq->mem_handle); + + if (!sq->entries) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + sq->head = 0; + sq->tail = 0; + sq->phase = 1; + + sq->db_addr = NULL; + + return 0; +} + +static int ena_com_admin_init_cq(struct ena_com_admin_queue *queue) +{ + struct ena_com_admin_cq *cq = &queue->cq; + u16 size = ADMIN_CQ_SIZE(queue->q_depth); + + ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, size, cq->entries, cq->dma_addr, + cq->mem_handle); + + if (!cq->entries) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + cq->head = 0; + cq->phase = 1; + + return 0; +} + +static int ena_com_admin_init_aenq(struct ena_com_dev *dev, + struct ena_aenq_handlers *aenq_handlers) +{ + struct ena_com_aenq *aenq = &dev->aenq; + u32 addr_low, addr_high, aenq_caps; + u16 size; + + dev->aenq.q_depth = ENA_ASYNC_QUEUE_DEPTH; + size = ADMIN_AENQ_SIZE(ENA_ASYNC_QUEUE_DEPTH); + ENA_MEM_ALLOC_COHERENT(dev->dmadev, size, + aenq->entries, + aenq->dma_addr, + aenq->mem_handle); + + if (!aenq->entries) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + aenq->head = aenq->q_depth; + aenq->phase = 1; + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(aenq->dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(aenq->dma_addr); + + ENA_REG_WRITE32(dev->bus, addr_low, dev->reg_bar + ENA_REGS_AENQ_BASE_LO_OFF); + ENA_REG_WRITE32(dev->bus, addr_high, dev->reg_bar + ENA_REGS_AENQ_BASE_HI_OFF); + + aenq_caps = 0; + aenq_caps |= dev->aenq.q_depth & ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK; + aenq_caps |= (sizeof(struct ena_admin_aenq_entry) << + ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT) & + ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK; + ENA_REG_WRITE32(dev->bus, aenq_caps, dev->reg_bar + ENA_REGS_AENQ_CAPS_OFF); + + if (unlikely(!aenq_handlers)) { + ena_trc_err("aenq handlers pointer is NULL\n"); + return ENA_COM_INVAL; + } + + aenq->aenq_handlers = aenq_handlers; + + return 0; +} + +static inline void comp_ctxt_release(struct ena_com_admin_queue *queue, + struct ena_comp_ctx *comp_ctx) +{ + comp_ctx->occupied = false; + ATOMIC32_DEC(&queue->outstanding_cmds); +} + +static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue, + u16 command_id, bool capture) +{ + if (unlikely(command_id >= queue->q_depth)) { + ena_trc_err("command id is larger than the queue size. cmd_id: %u queue size %d\n", + command_id, queue->q_depth); + return NULL; + } + + if (unlikely(queue->comp_ctx[command_id].occupied && capture)) { + ena_trc_err("Completion context is occupied\n"); + return NULL; + } + + if (capture) { + ATOMIC32_INC(&queue->outstanding_cmds); + queue->comp_ctx[command_id].occupied = true; + } + + return &queue->comp_ctx[command_id]; +} + +static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size_in_bytes, + struct ena_admin_acq_entry *comp, + size_t comp_size_in_bytes) +{ + struct ena_comp_ctx *comp_ctx; + u16 tail_masked, cmd_id; + u16 queue_size_mask; + u16 cnt; + + queue_size_mask = admin_queue->q_depth - 1; + + tail_masked = admin_queue->sq.tail & queue_size_mask; + + /* In case of queue FULL */ + cnt = admin_queue->sq.tail - admin_queue->sq.head; + if (cnt >= admin_queue->q_depth) { + ena_trc_dbg("admin queue is FULL (tail %d head %d depth: %d)\n", + admin_queue->sq.tail, + admin_queue->sq.head, + admin_queue->q_depth); + admin_queue->stats.out_of_space++; + return ERR_PTR(ENA_COM_NO_SPACE); + } + + cmd_id = admin_queue->curr_cmd_id; + + cmd->aq_common_descriptor.flags |= admin_queue->sq.phase & + ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK; + + cmd->aq_common_descriptor.command_id |= cmd_id & + ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; + + comp_ctx = get_comp_ctxt(admin_queue, cmd_id, true); + if (unlikely(!comp_ctx)) + return ERR_PTR(ENA_COM_INVAL); + + comp_ctx->status = ENA_CMD_SUBMITTED; + comp_ctx->comp_size = (u32)comp_size_in_bytes; + comp_ctx->user_cqe = comp; + comp_ctx->cmd_opcode = cmd->aq_common_descriptor.opcode; + + ENA_WAIT_EVENT_CLEAR(comp_ctx->wait_event); + + memcpy(&admin_queue->sq.entries[tail_masked], cmd, cmd_size_in_bytes); + + admin_queue->curr_cmd_id = (admin_queue->curr_cmd_id + 1) & + queue_size_mask; + + admin_queue->sq.tail++; + admin_queue->stats.submitted_cmd++; + + if (unlikely((admin_queue->sq.tail & queue_size_mask) == 0)) + admin_queue->sq.phase = !admin_queue->sq.phase; + + ENA_REG_WRITE32(admin_queue->bus, admin_queue->sq.tail, + admin_queue->sq.db_addr); + + return comp_ctx; +} + +static inline int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue) +{ + size_t size = queue->q_depth * sizeof(struct ena_comp_ctx); + struct ena_comp_ctx *comp_ctx; + u16 i; + + queue->comp_ctx = ENA_MEM_ALLOC(queue->q_dmadev, size); + if (unlikely(!queue->comp_ctx)) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + for (i = 0; i < queue->q_depth; i++) { + comp_ctx = get_comp_ctxt(queue, i, false); + if (comp_ctx) + ENA_WAIT_EVENT_INIT(comp_ctx->wait_event); + } + + return 0; +} + +static struct ena_comp_ctx *ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size_in_bytes, + struct ena_admin_acq_entry *comp, + size_t comp_size_in_bytes) +{ + unsigned long flags; + struct ena_comp_ctx *comp_ctx; + + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + if (unlikely(!admin_queue->running_state)) { + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + return ERR_PTR(ENA_COM_NO_DEVICE); + } + comp_ctx = __ena_com_submit_admin_cmd(admin_queue, cmd, + cmd_size_in_bytes, + comp, + comp_size_in_bytes); + if (unlikely(IS_ERR(comp_ctx))) + admin_queue->running_state = false; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + return comp_ctx; +} + +static int ena_com_init_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx, + struct ena_com_io_sq *io_sq) +{ + size_t size; + int dev_node = 0; + + memset(&io_sq->desc_addr, 0x0, sizeof(io_sq->desc_addr)); + + io_sq->desc_entry_size = + (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) ? + sizeof(struct ena_eth_io_tx_desc) : + sizeof(struct ena_eth_io_rx_desc); + + size = io_sq->desc_entry_size * io_sq->q_depth; + io_sq->bus = ena_dev->bus; + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) { + ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle, + ctx->numa_node, + dev_node); + if (!io_sq->desc_addr.virt_addr) { + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle); + } + } else { + ENA_MEM_ALLOC_NODE(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + ctx->numa_node, + dev_node); + if (!io_sq->desc_addr.virt_addr) { + io_sq->desc_addr.virt_addr = + ENA_MEM_ALLOC(ena_dev->dmadev, size); + } + } + + if (!io_sq->desc_addr.virt_addr) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + io_sq->tail = 0; + io_sq->next_to_comp = 0; + io_sq->phase = 1; + + return 0; +} + +static int ena_com_init_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx, + struct ena_com_io_cq *io_cq) +{ + size_t size; + int prev_node = 0; + + memset(&io_cq->cdesc_addr, 0x0, sizeof(io_cq->cdesc_addr)); + + /* Use the basic completion descriptor for Rx */ + io_cq->cdesc_entry_size_in_bytes = + (io_cq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) ? + sizeof(struct ena_eth_io_tx_cdesc) : + sizeof(struct ena_eth_io_rx_cdesc_base); + + size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth; + io_cq->bus = ena_dev->bus; + + ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle, + ctx->numa_node, + prev_node); + if (!io_cq->cdesc_addr.virt_addr) { + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle); + } + + if (!io_cq->cdesc_addr.virt_addr) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + io_cq->phase = 1; + io_cq->head = 0; + + return 0; +} + +static void ena_com_handle_single_admin_completion(struct ena_com_admin_queue *admin_queue, + struct ena_admin_acq_entry *cqe) +{ + struct ena_comp_ctx *comp_ctx; + u16 cmd_id; + + cmd_id = cqe->acq_common_descriptor.command & + ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; + + comp_ctx = get_comp_ctxt(admin_queue, cmd_id, false); + if (unlikely(!comp_ctx)) { + ena_trc_err("comp_ctx is NULL. Changing the admin queue running state\n"); + admin_queue->running_state = false; + return; + } + + comp_ctx->status = ENA_CMD_COMPLETED; + comp_ctx->comp_status = cqe->acq_common_descriptor.status; + + if (comp_ctx->user_cqe) + memcpy(comp_ctx->user_cqe, (void *)cqe, comp_ctx->comp_size); + + if (!admin_queue->polling) + ENA_WAIT_EVENT_SIGNAL(comp_ctx->wait_event); +} + +static void ena_com_handle_admin_completion(struct ena_com_admin_queue *admin_queue) +{ + struct ena_admin_acq_entry *cqe = NULL; + u16 comp_num = 0; + u16 head_masked; + u8 phase; + + head_masked = admin_queue->cq.head & (admin_queue->q_depth - 1); + phase = admin_queue->cq.phase; + + cqe = &admin_queue->cq.entries[head_masked]; + + /* Go over all the completions */ + while ((cqe->acq_common_descriptor.flags & + ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK) == phase) { + /* Do not read the rest of the completion entry before the + * phase bit was validated + */ + rmb(); + ena_com_handle_single_admin_completion(admin_queue, cqe); + + head_masked++; + comp_num++; + if (unlikely(head_masked == admin_queue->q_depth)) { + head_masked = 0; + phase = !phase; + } + + cqe = &admin_queue->cq.entries[head_masked]; + } + + admin_queue->cq.head += comp_num; + admin_queue->cq.phase = phase; + admin_queue->sq.head += comp_num; + admin_queue->stats.completed_cmd += comp_num; +} + +static int ena_com_comp_status_to_errno(u8 comp_status) +{ + if (unlikely(comp_status != 0)) + ena_trc_err("admin command failed[%u]\n", comp_status); + + if (unlikely(comp_status > ENA_ADMIN_UNKNOWN_ERROR)) + return ENA_COM_INVAL; + + switch (comp_status) { + case ENA_ADMIN_SUCCESS: + return 0; + case ENA_ADMIN_RESOURCE_ALLOCATION_FAILURE: + return ENA_COM_NO_MEM; + case ENA_ADMIN_UNSUPPORTED_OPCODE: + return ENA_COM_PERMISSION; + case ENA_ADMIN_BAD_OPCODE: + case ENA_ADMIN_MALFORMED_REQUEST: + case ENA_ADMIN_ILLEGAL_PARAMETER: + case ENA_ADMIN_UNKNOWN_ERROR: + return ENA_COM_INVAL; + } + + return 0; +} + +static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) +{ + unsigned long flags, timeout; + int ret; + + timeout = ENA_GET_SYSTEM_TIMEOUT(admin_queue->completion_timeout); + + while (1) { + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_com_handle_admin_completion(admin_queue); + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + if (comp_ctx->status != ENA_CMD_SUBMITTED) + break; + + if (ENA_TIME_EXPIRE(timeout)) { + ena_trc_err("Wait for completion (polling) timeout\n"); + /* ENA didn't have any completion */ + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + admin_queue->stats.no_completion++; + admin_queue->running_state = false; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + ret = ENA_COM_TIMER_EXPIRED; + goto err; + } + + ENA_MSLEEP(100); + } + + if (unlikely(comp_ctx->status == ENA_CMD_ABORTED)) { + ena_trc_err("Command was aborted\n"); + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + admin_queue->stats.aborted_cmd++; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + ret = ENA_COM_NO_DEVICE; + goto err; + } + + ENA_WARN(comp_ctx->status != ENA_CMD_COMPLETED, + "Invalid comp status %d\n", comp_ctx->status); + + ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); +err: + comp_ctxt_release(admin_queue, comp_ctx); + return ret; +} + +static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) +{ + unsigned long flags; + int ret; + + ENA_WAIT_EVENT_WAIT(comp_ctx->wait_event, + admin_queue->completion_timeout); + + /* In case the command wasn't completed find out the root cause. + * There might be 2 kinds of errors + * 1) No completion (timeout reached) + * 2) There is completion but the device didn't get any msi-x interrupt. + */ + if (unlikely(comp_ctx->status == ENA_CMD_SUBMITTED)) { + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_com_handle_admin_completion(admin_queue); + admin_queue->stats.no_completion++; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + if (comp_ctx->status == ENA_CMD_COMPLETED) + ena_trc_err("The ena device have completion but the driver didn't receive any MSI-X interrupt (cmd %d)\n", + comp_ctx->cmd_opcode); + else + ena_trc_err("The ena device doesn't send any completion for the admin cmd %d status %d\n", + comp_ctx->cmd_opcode, comp_ctx->status); + + admin_queue->running_state = false; + ret = ENA_COM_TIMER_EXPIRED; + goto err; + } + + ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); +err: + comp_ctxt_release(admin_queue, comp_ctx); + return ret; +} + +/* This method read the hardware device register through posting writes + * and waiting for response + * On timeout the function will return ENA_MMIO_READ_TIMEOUT + */ +static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + volatile struct ena_admin_ena_mmio_req_read_less_resp *read_resp = + mmio_read->read_resp; + u32 mmio_read_reg, timeout, ret; + unsigned long flags; + int i; + + ENA_MIGHT_SLEEP(); + + timeout = mmio_read->reg_read_to ? : ENA_REG_READ_TIMEOUT; + + /* If readless is disabled, perform regular read */ + if (!mmio_read->readless_supported) + return ENA_REG_READ32(ena_dev->bus, ena_dev->reg_bar + offset); + + ENA_SPINLOCK_LOCK(mmio_read->lock, flags); + mmio_read->seq_num++; + + read_resp->req_id = mmio_read->seq_num + 0xDEAD; + mmio_read_reg = (offset << ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT) & + ENA_REGS_MMIO_REG_READ_REG_OFF_MASK; + mmio_read_reg |= mmio_read->seq_num & + ENA_REGS_MMIO_REG_READ_REQ_ID_MASK; + + /* make sure read_resp->req_id get updated before the hw can write + * there + */ + wmb(); + + ENA_REG_WRITE32(ena_dev->bus, mmio_read_reg, ena_dev->reg_bar + ENA_REGS_MMIO_REG_READ_OFF); + + for (i = 0; i < timeout; i++) { + if (read_resp->req_id == mmio_read->seq_num) + break; + + ENA_UDELAY(1); + } + + if (unlikely(i == timeout)) { + ena_trc_err("reading reg failed for timeout. expected: req id[%hu] offset[%hu] actual: req id[%hu] offset[%hu]\n", + mmio_read->seq_num, + offset, + read_resp->req_id, + read_resp->reg_off); + ret = ENA_MMIO_READ_TIMEOUT; + goto err; + } + + if (read_resp->reg_off != offset) { + ena_trc_err("Read failure: wrong offset provided"); + ret = ENA_MMIO_READ_TIMEOUT; + } else { + ret = read_resp->reg_val; + } +err: + ENA_SPINLOCK_UNLOCK(mmio_read->lock, flags); + + return ret; +} + +/* There are two types to wait for completion. + * Polling mode - wait until the completion is available. + * Async mode - wait on wait queue until the completion is ready + * (or the timeout expired). + * It is expected that the IRQ called ena_com_handle_admin_completion + * to mark the completions. + */ +static int ena_com_wait_and_process_admin_cq(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) +{ + if (admin_queue->polling) + return ena_com_wait_and_process_admin_cq_polling(comp_ctx, + admin_queue); + + return ena_com_wait_and_process_admin_cq_interrupts(comp_ctx, + admin_queue); +} + +static int ena_com_destroy_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_io_sq *io_sq) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_destroy_sq_cmd destroy_cmd; + struct ena_admin_acq_destroy_sq_resp_desc destroy_resp; + u8 direction; + int ret; + + memset(&destroy_cmd, 0x0, sizeof(destroy_cmd)); + + if (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + direction = ENA_ADMIN_SQ_DIRECTION_TX; + else + direction = ENA_ADMIN_SQ_DIRECTION_RX; + + destroy_cmd.sq.sq_identity |= (direction << + ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT) & + ENA_ADMIN_SQ_SQ_DIRECTION_MASK; + + destroy_cmd.sq.sq_idx = io_sq->idx; + destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_SQ; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&destroy_cmd, + sizeof(destroy_cmd), + (struct ena_admin_acq_entry *)&destroy_resp, + sizeof(destroy_resp)); + + if (unlikely(ret && (ret != ENA_COM_NO_DEVICE))) + ena_trc_err("failed to destroy io sq error: %d\n", ret); + + return ret; +} + +static void ena_com_io_queue_free(struct ena_com_dev *ena_dev, + struct ena_com_io_sq *io_sq, + struct ena_com_io_cq *io_cq) +{ + size_t size; + + if (io_cq->cdesc_addr.virt_addr) { + size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth; + + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle); + + io_cq->cdesc_addr.virt_addr = NULL; + } + + if (io_sq->desc_addr.virt_addr) { + size = io_sq->desc_entry_size * io_sq->q_depth; + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle); + else + ENA_MEM_FREE(ena_dev->dmadev, io_sq->desc_addr.virt_addr); + + io_sq->desc_addr.virt_addr = NULL; + } +} + +static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout, + u16 exp_state) +{ + u32 val, i; + + for (i = 0; i < timeout; i++) { + val = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); + + if (unlikely(val == ENA_MMIO_READ_TIMEOUT)) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + if ((val & ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK) == + exp_state) + return 0; + + /* The resolution of the timeout is 100ms */ + ENA_MSLEEP(100); + } + + return ENA_COM_TIMER_EXPIRED; +} + +static bool ena_com_check_supported_feature_id(struct ena_com_dev *ena_dev, + enum ena_admin_aq_feature_id feature_id) +{ + u32 feature_mask = 1 << feature_id; + + /* Device attributes is always supported */ + if ((feature_id != ENA_ADMIN_DEVICE_ATTRIBUTES) && + !(ena_dev->supported_features & feature_mask)) + return false; + + return true; +} + +static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *get_resp, + enum ena_admin_aq_feature_id feature_id, + dma_addr_t control_buf_dma_addr, + u32 control_buff_size) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_get_feat_cmd get_cmd; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, feature_id)) { + ena_trc_dbg("Feature %d isn't supported\n", feature_id); + return ENA_COM_PERMISSION; + } + + memset(&get_cmd, 0x0, sizeof(get_cmd)); + admin_queue = &ena_dev->admin_queue; + + get_cmd.aq_common_descriptor.opcode = ENA_ADMIN_GET_FEATURE; + + if (control_buff_size) + get_cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + else + get_cmd.aq_common_descriptor.flags = 0; + + ret = ena_com_mem_addr_set(ena_dev, + &get_cmd.control_buffer.address, + control_buf_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + get_cmd.control_buffer.length = control_buff_size; + + get_cmd.feat_common.feature_id = feature_id; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *) + &get_cmd, + sizeof(get_cmd), + (struct ena_admin_acq_entry *) + get_resp, + sizeof(*get_resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to submit get_feature command %d error: %d\n", + feature_id, ret); + + return ret; +} + +static int ena_com_get_feature(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *get_resp, + enum ena_admin_aq_feature_id feature_id) +{ + return ena_com_get_feature_ex(ena_dev, + get_resp, + feature_id, + 0, + 0); +} + +static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_key), + rss->hash_key, + rss->hash_key_dma_addr, + rss->hash_key_mem_handle); + + if (unlikely(!rss->hash_key)) + return ENA_COM_NO_MEM; + + return 0; +} + +static void ena_com_hash_key_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + if (rss->hash_key) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_key), + rss->hash_key, + rss->hash_key_dma_addr, + rss->hash_key_mem_handle); + rss->hash_key = NULL; +} + +static int ena_com_hash_ctrl_init(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_ctrl), + rss->hash_ctrl, + rss->hash_ctrl_dma_addr, + rss->hash_ctrl_mem_handle); + + if (unlikely(!rss->hash_ctrl)) + return ENA_COM_NO_MEM; + + return 0; +} + +static void ena_com_hash_ctrl_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + if (rss->hash_ctrl) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_ctrl), + rss->hash_ctrl, + rss->hash_ctrl_dma_addr, + rss->hash_ctrl_mem_handle); + rss->hash_ctrl = NULL; +} + +static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, + u16 log_size) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + size_t tbl_size; + int ret; + + ret = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + if (unlikely(ret)) + return ret; + + if ((get_resp.u.ind_table.min_size > log_size) || + (get_resp.u.ind_table.max_size < log_size)) { + ena_trc_err("indirect table size doesn't fit. requested size: %d while min is:%d and max %d\n", + 1 << log_size, + 1 << get_resp.u.ind_table.min_size, + 1 << get_resp.u.ind_table.max_size); + return ENA_COM_INVAL; + } + + tbl_size = (1ULL << log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); + if (unlikely(!rss->rss_ind_tbl)) + goto mem_err1; + + tbl_size = (1ULL << log_size) * sizeof(u16); + rss->host_rss_ind_tbl = + ENA_MEM_ALLOC(ena_dev->dmadev, tbl_size); + if (unlikely(!rss->host_rss_ind_tbl)) + goto mem_err2; + + rss->tbl_log_size = log_size; + + return 0; + +mem_err2: + tbl_size = (1ULL << log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); + rss->rss_ind_tbl = NULL; +mem_err1: + rss->tbl_log_size = 0; + return ENA_COM_NO_MEM; +} + +static void ena_com_indirect_table_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + size_t tbl_size = (1ULL << rss->tbl_log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + if (rss->rss_ind_tbl) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); + rss->rss_ind_tbl = NULL; + + if (rss->host_rss_ind_tbl) + ENA_MEM_FREE(ena_dev->dmadev, rss->host_rss_ind_tbl); + rss->host_rss_ind_tbl = NULL; +} + +static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_io_sq *io_sq, u16 cq_idx) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_create_sq_cmd create_cmd; + struct ena_admin_acq_create_sq_resp_desc cmd_completion; + u8 direction; + int ret; + + memset(&create_cmd, 0x0, sizeof(create_cmd)); + + create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_SQ; + + if (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + direction = ENA_ADMIN_SQ_DIRECTION_TX; + else + direction = ENA_ADMIN_SQ_DIRECTION_RX; + + create_cmd.sq_identity |= (direction << + ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT) & + ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK; + + create_cmd.sq_caps_2 |= io_sq->mem_queue_type & + ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK; + + create_cmd.sq_caps_2 |= (ENA_ADMIN_COMPLETION_POLICY_DESC << + ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT) & + ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK; + + create_cmd.sq_caps_3 |= + ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK; + + create_cmd.cq_idx = cq_idx; + create_cmd.sq_depth = io_sq->q_depth; + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) { + ret = ena_com_mem_addr_set(ena_dev, + &create_cmd.sq_ba, + io_sq->desc_addr.phys_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + } + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&create_cmd, + sizeof(create_cmd), + (struct ena_admin_acq_entry *)&cmd_completion, + sizeof(cmd_completion)); + if (unlikely(ret)) { + ena_trc_err("Failed to create IO SQ. error: %d\n", ret); + return ret; + } + + io_sq->idx = cmd_completion.sq_idx; + + io_sq->db_addr = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + (uintptr_t)cmd_completion.sq_doorbell_offset); + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) { + io_sq->header_addr = (u8 __iomem *)((uintptr_t)ena_dev->mem_bar + + cmd_completion.llq_headers_offset); + + io_sq->desc_addr.pbuf_dev_addr = + (u8 __iomem *)((uintptr_t)ena_dev->mem_bar + + cmd_completion.llq_descriptors_offset); + } + + ena_trc_dbg("created sq[%u], depth[%u]\n", io_sq->idx, io_sq->q_depth); + + return ret; +} + +static int ena_com_ind_tbl_convert_to_device(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_com_io_sq *io_sq; + u16 qid; + int i; + + for (i = 0; i < 1 << rss->tbl_log_size; i++) { + qid = rss->host_rss_ind_tbl[i]; + if (qid >= ENA_TOTAL_NUM_QUEUES) + return ENA_COM_INVAL; + + io_sq = &ena_dev->io_sq_queues[qid]; + + if (io_sq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX) + return ENA_COM_INVAL; + + rss->rss_ind_tbl[i].cq_idx = io_sq->idx; + } + + return 0; +} + +static int ena_com_ind_tbl_convert_from_device(struct ena_com_dev *ena_dev) +{ + u16 dev_idx_to_host_tbl[ENA_TOTAL_NUM_QUEUES] = { (u16)-1 }; + struct ena_rss *rss = &ena_dev->rss; + u8 idx; + u16 i; + + for (i = 0; i < ENA_TOTAL_NUM_QUEUES; i++) + dev_idx_to_host_tbl[ena_dev->io_sq_queues[i].idx] = i; + + for (i = 0; i < 1 << rss->tbl_log_size; i++) { + if (rss->rss_ind_tbl[i].cq_idx > ENA_TOTAL_NUM_QUEUES) + return ENA_COM_INVAL; + idx = (u8)rss->rss_ind_tbl[i].cq_idx; + + if (dev_idx_to_host_tbl[idx] > ENA_TOTAL_NUM_QUEUES) + return ENA_COM_INVAL; + + rss->host_rss_ind_tbl[i] = dev_idx_to_host_tbl[idx]; + } + + return 0; +} + +static int ena_com_init_interrupt_moderation_table(struct ena_com_dev *ena_dev) +{ + size_t size; + + size = sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS; + + ena_dev->intr_moder_tbl = ENA_MEM_ALLOC(ena_dev->dmadev, size); + if (!ena_dev->intr_moder_tbl) + return ENA_COM_NO_MEM; + + ena_com_config_default_interrupt_moderation_table(ena_dev); + + return 0; +} + +static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev, + u16 intr_delay_resolution) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + unsigned int i; + + if (!intr_delay_resolution) { + ena_trc_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n"); + intr_delay_resolution = 1; + } + ena_dev->intr_delay_resolution = intr_delay_resolution; + + /* update Rx */ + for (i = 0; i < ENA_INTR_MAX_NUM_OF_LEVELS; i++) + intr_moder_tbl[i].intr_moder_interval /= intr_delay_resolution; + + /* update Tx */ + ena_dev->intr_moder_tx_interval /= intr_delay_resolution; +} + +/*****************************************************************************/ +/******************************* API ******************************/ +/*****************************************************************************/ + +int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size, + struct ena_admin_acq_entry *comp, + size_t comp_size) +{ + struct ena_comp_ctx *comp_ctx; + int ret; + + comp_ctx = ena_com_submit_admin_cmd(admin_queue, cmd, cmd_size, + comp, comp_size); + if (unlikely(IS_ERR(comp_ctx))) { + if (comp_ctx == ERR_PTR(ENA_COM_NO_DEVICE)) + ena_trc_dbg("Failed to submit command [%ld]\n", + PTR_ERR(comp_ctx)); + else + ena_trc_err("Failed to submit command [%ld]\n", + PTR_ERR(comp_ctx)); + + return PTR_ERR(comp_ctx); + } + + ret = ena_com_wait_and_process_admin_cq(comp_ctx, admin_queue); + if (unlikely(ret)) { + if (admin_queue->running_state) + ena_trc_err("Failed to process command. ret = %d\n", + ret); + else + ena_trc_dbg("Failed to process command. ret = %d\n", + ret); + } + return ret; +} + +int ena_com_create_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_create_cq_cmd create_cmd; + struct ena_admin_acq_create_cq_resp_desc cmd_completion; + int ret; + + memset(&create_cmd, 0x0, sizeof(create_cmd)); + + create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_CQ; + + create_cmd.cq_caps_2 |= (io_cq->cdesc_entry_size_in_bytes / 4) & + ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; + create_cmd.cq_caps_1 |= + ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK; + + create_cmd.msix_vector = io_cq->msix_vector; + create_cmd.cq_depth = io_cq->q_depth; + + ret = ena_com_mem_addr_set(ena_dev, + &create_cmd.cq_ba, + io_cq->cdesc_addr.phys_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&create_cmd, + sizeof(create_cmd), + (struct ena_admin_acq_entry *)&cmd_completion, + sizeof(cmd_completion)); + if (unlikely(ret)) { + ena_trc_err("Failed to create IO CQ. error: %d\n", ret); + return ret; + } + + io_cq->idx = cmd_completion.cq_idx; + + io_cq->unmask_reg = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.cq_interrupt_unmask_register_offset); + + if (cmd_completion.cq_head_db_register_offset) + io_cq->cq_head_db_reg = + (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.cq_head_db_register_offset); + + if (cmd_completion.numa_node_register_offset) + io_cq->numa_node_cfg_reg = + (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.numa_node_register_offset); + + ena_trc_dbg("created cq[%u], depth[%u]\n", io_cq->idx, io_cq->q_depth); + + return ret; +} + +int ena_com_get_io_handlers(struct ena_com_dev *ena_dev, u16 qid, + struct ena_com_io_sq **io_sq, + struct ena_com_io_cq **io_cq) +{ + if (qid >= ENA_TOTAL_NUM_QUEUES) { + ena_trc_err("Invalid queue number %d but the max is %d\n", + qid, ENA_TOTAL_NUM_QUEUES); + return ENA_COM_INVAL; + } + + *io_sq = &ena_dev->io_sq_queues[qid]; + *io_cq = &ena_dev->io_cq_queues[qid]; + + return 0; +} + +void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_comp_ctx *comp_ctx; + u16 i; + + if (!admin_queue->comp_ctx) + return; + + for (i = 0; i < admin_queue->q_depth; i++) { + comp_ctx = get_comp_ctxt(admin_queue, i, false); + if (unlikely(!comp_ctx)) + break; + + comp_ctx->status = ENA_CMD_ABORTED; + + ENA_WAIT_EVENT_SIGNAL(comp_ctx->wait_event); + } +} + +void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + unsigned long flags; + + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + while (ATOMIC32_READ(&admin_queue->outstanding_cmds) != 0) { + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + ENA_MSLEEP(20); + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + } + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); +} + +int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_destroy_cq_cmd destroy_cmd; + struct ena_admin_acq_destroy_cq_resp_desc destroy_resp; + int ret; + + memset(&destroy_cmd, 0x0, sizeof(destroy_cmd)); + + destroy_cmd.cq_idx = io_cq->idx; + destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_CQ; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&destroy_cmd, + sizeof(destroy_cmd), + (struct ena_admin_acq_entry *)&destroy_resp, + sizeof(destroy_resp)); + + if (unlikely(ret && (ret != ENA_COM_NO_DEVICE))) + ena_trc_err("Failed to destroy IO CQ. error: %d\n", ret); + + return ret; +} + +bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev) +{ + return ena_dev->admin_queue.running_state; +} + +void ena_com_set_admin_running_state(struct ena_com_dev *ena_dev, bool state) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + unsigned long flags; + + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_dev->admin_queue.running_state = state; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); +} + +void ena_com_admin_aenq_enable(struct ena_com_dev *ena_dev) +{ + u16 depth = ena_dev->aenq.q_depth; + + ENA_WARN(ena_dev->aenq.head != depth, "Invalid AENQ state\n"); + + /* Init head_db to mark that all entries in the queue + * are initially available + */ + ENA_REG_WRITE32(ena_dev->bus, depth, ena_dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); +} + +int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + struct ena_admin_get_feat_resp get_resp; + int ret; + + ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG); + if (ret) { + ena_trc_info("Can't get aenq configuration\n"); + return ret; + } + + if ((get_resp.u.aenq.supported_groups & groups_flag) != groups_flag) { + ena_trc_warn("Trying to set unsupported aenq events. supported flag: %x asked flag: %x\n", + get_resp.u.aenq.supported_groups, + groups_flag); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = 0; + cmd.feat_common.feature_id = ENA_ADMIN_AENQ_CONFIG; + cmd.u.aenq.enabled_groups = groups_flag; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to config AENQ ret: %d\n", ret); + + return ret; +} + +int ena_com_get_dma_width(struct ena_com_dev *ena_dev) +{ + u32 caps = ena_com_reg_bar_read32(ena_dev, ENA_REGS_CAPS_OFF); + int width; + + if (unlikely(caps == ENA_MMIO_READ_TIMEOUT)) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + width = (caps & ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK) >> + ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT; + + ena_trc_dbg("ENA dma width: %d\n", width); + + if ((width < 32) || width > ENA_MAX_PHYS_ADDR_SIZE_BITS) { + ena_trc_err("DMA width illegal value: %d\n", width); + return ENA_COM_INVAL; + } + + ena_dev->dma_addr_bits = width; + + return width; +} + +int ena_com_validate_version(struct ena_com_dev *ena_dev) +{ + u32 ver; + u32 ctrl_ver; + u32 ctrl_ver_masked; + + /* Make sure the ENA version and the controller version are at least + * as the driver expects + */ + ver = ena_com_reg_bar_read32(ena_dev, ENA_REGS_VERSION_OFF); + ctrl_ver = ena_com_reg_bar_read32(ena_dev, + ENA_REGS_CONTROLLER_VERSION_OFF); + + if (unlikely((ver == ENA_MMIO_READ_TIMEOUT) || + (ctrl_ver == ENA_MMIO_READ_TIMEOUT))) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + ena_trc_info("ena device version: %d.%d\n", + (ver & ENA_REGS_VERSION_MAJOR_VERSION_MASK) >> + ENA_REGS_VERSION_MAJOR_VERSION_SHIFT, + ver & ENA_REGS_VERSION_MINOR_VERSION_MASK); + + if (ver < MIN_ENA_VER) { + ena_trc_err("ENA version is lower than the minimal version the driver supports\n"); + return -1; + } + + ena_trc_info("ena controller version: %d.%d.%d implementation version %d\n", + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) + >> ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT, + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) + >> ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT, + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK), + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK) >> + ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT); + + ctrl_ver_masked = + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) | + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) | + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK); + + /* Validate the ctrl version without the implementation ID */ + if (ctrl_ver_masked < MIN_ENA_CTRL_VER) { + ena_trc_err("ENA ctrl version is lower than the minimal ctrl version the driver supports\n"); + return -1; + } + + return 0; +} + +void ena_com_admin_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_com_admin_cq *cq = &admin_queue->cq; + struct ena_com_admin_sq *sq = &admin_queue->sq; + struct ena_com_aenq *aenq = &ena_dev->aenq; + u16 size; + + ENA_WAIT_EVENT_DESTROY(admin_queue->comp_ctx->wait_event); + + ENA_SPINLOCK_DESTROY(admin_queue->q_lock); + + if (admin_queue->comp_ctx) + ENA_MEM_FREE(ena_dev->dmadev, admin_queue->comp_ctx); + + admin_queue->comp_ctx = NULL; + size = ADMIN_SQ_SIZE(admin_queue->q_depth); + if (sq->entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, sq->entries, + sq->dma_addr, sq->mem_handle); + sq->entries = NULL; + + size = ADMIN_CQ_SIZE(admin_queue->q_depth); + if (cq->entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, cq->entries, + cq->dma_addr, cq->mem_handle); + cq->entries = NULL; + + size = ADMIN_AENQ_SIZE(aenq->q_depth); + if (ena_dev->aenq.entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, aenq->entries, + aenq->dma_addr, aenq->mem_handle); + aenq->entries = NULL; +} + +void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling) +{ + ena_dev->admin_queue.polling = polling; +} + +int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + + ENA_SPINLOCK_INIT(mmio_read->lock); + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + sizeof(*mmio_read->read_resp), + mmio_read->read_resp, + mmio_read->read_resp_dma_addr, + mmio_read->read_resp_mem_handle); + if (unlikely(!mmio_read->read_resp)) + return ENA_COM_NO_MEM; + + ena_com_mmio_reg_read_request_write_dev_addr(ena_dev); + + mmio_read->read_resp->req_id = 0x0; + mmio_read->seq_num = 0x0; + mmio_read->readless_supported = true; + + return 0; +} + +void ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, bool readless_supported) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + + mmio_read->readless_supported = readless_supported; +} + +void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + + ENA_REG_WRITE32(ena_dev->bus, 0x0, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, 0x0, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_HI_OFF); + + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + sizeof(*mmio_read->read_resp), + mmio_read->read_resp, + mmio_read->read_resp_dma_addr, + mmio_read->read_resp_mem_handle); + + mmio_read->read_resp = NULL; + + ENA_SPINLOCK_DESTROY(mmio_read->lock); +} + +void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + u32 addr_low, addr_high; + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(mmio_read->read_resp_dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(mmio_read->read_resp_dma_addr); + + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_HI_OFF); +} + +int ena_com_admin_init(struct ena_com_dev *ena_dev, + struct ena_aenq_handlers *aenq_handlers, + bool init_spinlock) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + u32 aq_caps, acq_caps, dev_sts, addr_low, addr_high; + int ret; + +#ifdef ENA_INTERNAL + ena_trc_info("ena_defs : Version:[%s] Build date [%s]", + ENA_GEN_COMMIT, ENA_GEN_DATE); +#endif + dev_sts = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); + + if (unlikely(dev_sts == ENA_MMIO_READ_TIMEOUT)) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + if (!(dev_sts & ENA_REGS_DEV_STS_READY_MASK)) { + ena_trc_err("Device isn't ready, abort com init\n"); + return ENA_COM_NO_DEVICE; + } + + admin_queue->q_depth = ENA_ADMIN_QUEUE_DEPTH; + + admin_queue->bus = ena_dev->bus; + admin_queue->q_dmadev = ena_dev->dmadev; + admin_queue->polling = false; + admin_queue->curr_cmd_id = 0; + + ATOMIC32_SET(&admin_queue->outstanding_cmds, 0); + + if (init_spinlock) + ENA_SPINLOCK_INIT(admin_queue->q_lock); + + ret = ena_com_init_comp_ctxt(admin_queue); + if (ret) + goto error; + + ret = ena_com_admin_init_sq(admin_queue); + if (ret) + goto error; + + ret = ena_com_admin_init_cq(admin_queue); + if (ret) + goto error; + + admin_queue->sq.db_addr = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + ENA_REGS_AQ_DB_OFF); + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(admin_queue->sq.dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(admin_queue->sq.dma_addr); + + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_AQ_BASE_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_AQ_BASE_HI_OFF); + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(admin_queue->cq.dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(admin_queue->cq.dma_addr); + + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_ACQ_BASE_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_ACQ_BASE_HI_OFF); + + aq_caps = 0; + aq_caps |= admin_queue->q_depth & ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK; + aq_caps |= (sizeof(struct ena_admin_aq_entry) << + ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT) & + ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK; + + acq_caps = 0; + acq_caps |= admin_queue->q_depth & ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK; + acq_caps |= (sizeof(struct ena_admin_acq_entry) << + ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT) & + ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK; + + ENA_REG_WRITE32(ena_dev->bus, aq_caps, ena_dev->reg_bar + ENA_REGS_AQ_CAPS_OFF); + ENA_REG_WRITE32(ena_dev->bus, acq_caps, ena_dev->reg_bar + ENA_REGS_ACQ_CAPS_OFF); + ret = ena_com_admin_init_aenq(ena_dev, aenq_handlers); + if (ret) + goto error; + + admin_queue->running_state = true; + + return 0; +error: + ena_com_admin_destroy(ena_dev); + + return ret; +} + +int ena_com_create_io_queue(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx) +{ + struct ena_com_io_sq *io_sq; + struct ena_com_io_cq *io_cq; + int ret; + + if (ctx->qid >= ENA_TOTAL_NUM_QUEUES) { + ena_trc_err("Qid (%d) is bigger than max num of queues (%d)\n", + ctx->qid, ENA_TOTAL_NUM_QUEUES); + return ENA_COM_INVAL; + } + + io_sq = &ena_dev->io_sq_queues[ctx->qid]; + io_cq = &ena_dev->io_cq_queues[ctx->qid]; + + memset(io_sq, 0x0, sizeof(*io_sq)); + memset(io_cq, 0x0, sizeof(*io_cq)); + + /* Init CQ */ + io_cq->q_depth = ctx->queue_size; + io_cq->direction = ctx->direction; + io_cq->qid = ctx->qid; + + io_cq->msix_vector = ctx->msix_vector; + + io_sq->q_depth = ctx->queue_size; + io_sq->direction = ctx->direction; + io_sq->qid = ctx->qid; + + io_sq->mem_queue_type = ctx->mem_queue_type; + + if (ctx->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + /* header length is limited to 8 bits */ + io_sq->tx_max_header_size = + ENA_MIN32(ena_dev->tx_max_header_size, SZ_256); + + ret = ena_com_init_io_sq(ena_dev, ctx, io_sq); + if (ret) + goto error; + ret = ena_com_init_io_cq(ena_dev, ctx, io_cq); + if (ret) + goto error; + + ret = ena_com_create_io_cq(ena_dev, io_cq); + if (ret) + goto error; + + ret = ena_com_create_io_sq(ena_dev, io_sq, io_cq->idx); + if (ret) + goto destroy_io_cq; + + return 0; + +destroy_io_cq: + ena_com_destroy_io_cq(ena_dev, io_cq); +error: + ena_com_io_queue_free(ena_dev, io_sq, io_cq); + return ret; +} + +void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid) +{ + struct ena_com_io_sq *io_sq; + struct ena_com_io_cq *io_cq; + + if (qid >= ENA_TOTAL_NUM_QUEUES) { + ena_trc_err("Qid (%d) is bigger than max num of queues (%d)\n", + qid, ENA_TOTAL_NUM_QUEUES); + return; + } + + io_sq = &ena_dev->io_sq_queues[qid]; + io_cq = &ena_dev->io_cq_queues[qid]; + + ena_com_destroy_io_sq(ena_dev, io_sq); + ena_com_destroy_io_cq(ena_dev, io_cq); + + ena_com_io_queue_free(ena_dev, io_sq, io_cq); +} + +int ena_com_get_link_params(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *resp) +{ + return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG); +} + +int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, + struct ena_com_dev_get_features_ctx *get_feat_ctx) +{ + struct ena_admin_get_feat_resp get_resp; + int rc; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_DEVICE_ATTRIBUTES); + if (rc) + return rc; + + memcpy(&get_feat_ctx->dev_attr, &get_resp.u.dev_attr, + sizeof(get_resp.u.dev_attr)); + ena_dev->supported_features = get_resp.u.dev_attr.supported_features; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_MAX_QUEUES_NUM); + if (rc) + return rc; + + memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue, + sizeof(get_resp.u.max_queue)); + ena_dev->tx_max_header_size = get_resp.u.max_queue.max_header_size; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_AENQ_CONFIG); + if (rc) + return rc; + + memcpy(&get_feat_ctx->aenq, &get_resp.u.aenq, + sizeof(get_resp.u.aenq)); + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + if (rc) + return rc; + + memcpy(&get_feat_ctx->offload, &get_resp.u.offload, + sizeof(get_resp.u.offload)); + + /* Driver hints isn't mandatory admin command. So in case the + * command isn't supported set driver hints to 0 + */ + rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS); + + if (!rc) + memcpy(&get_feat_ctx->hw_hints, &get_resp.u.hw_hints, + sizeof(get_resp.u.hw_hints)); + else if (rc == ENA_COM_PERMISSION) + memset(&get_feat_ctx->hw_hints, 0x0, sizeof(get_feat_ctx->hw_hints)); + else + return rc; + + return 0; +} + +void ena_com_admin_q_comp_intr_handler(struct ena_com_dev *ena_dev) +{ + ena_com_handle_admin_completion(&ena_dev->admin_queue); +} + +/* ena_handle_specific_aenq_event: + * return the handler that is relevant to the specific event group + */ +static ena_aenq_handler ena_com_get_specific_aenq_cb(struct ena_com_dev *dev, + u16 group) +{ + struct ena_aenq_handlers *aenq_handlers = dev->aenq.aenq_handlers; + + if ((group < ENA_MAX_HANDLERS) && aenq_handlers->handlers[group]) + return aenq_handlers->handlers[group]; + + return aenq_handlers->unimplemented_handler; +} + +/* ena_aenq_intr_handler: + * handles the aenq incoming events. + * pop events from the queue and apply the specific handler + */ +void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data) +{ + struct ena_admin_aenq_entry *aenq_e; + struct ena_admin_aenq_common_desc *aenq_common; + struct ena_com_aenq *aenq = &dev->aenq; + ena_aenq_handler handler_cb; + u16 masked_head, processed = 0; + u8 phase; + + masked_head = aenq->head & (aenq->q_depth - 1); + phase = aenq->phase; + aenq_e = &aenq->entries[masked_head]; /* Get first entry */ + aenq_common = &aenq_e->aenq_common_desc; + + /* Go over all the events */ + while ((aenq_common->flags & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK) == + phase) { + ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%jus]\n", + aenq_common->group, + aenq_common->syndrom, + (u64)aenq_common->timestamp_low + + ((u64)aenq_common->timestamp_high << 32)); + + /* Handle specific event*/ + handler_cb = ena_com_get_specific_aenq_cb(dev, + aenq_common->group); + handler_cb(data, aenq_e); /* call the actual event handler*/ + + /* Get next event entry */ + masked_head++; + processed++; + + if (unlikely(masked_head == aenq->q_depth)) { + masked_head = 0; + phase = !phase; + } + aenq_e = &aenq->entries[masked_head]; + aenq_common = &aenq_e->aenq_common_desc; + } + + aenq->head += processed; + aenq->phase = phase; + + /* Don't update aenq doorbell if there weren't any processed events */ + if (!processed) + return; + + /* write the aenq doorbell after all AENQ descriptors were read */ + mb(); + ENA_REG_WRITE32(dev->bus, (u32)aenq->head, dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); +} + +int ena_com_dev_reset(struct ena_com_dev *ena_dev) +{ + u32 stat, timeout, cap, reset_val; + int rc; + + stat = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); + cap = ena_com_reg_bar_read32(ena_dev, ENA_REGS_CAPS_OFF); + + if (unlikely((stat == ENA_MMIO_READ_TIMEOUT) || + (cap == ENA_MMIO_READ_TIMEOUT))) { + ena_trc_err("Reg read32 timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + if ((stat & ENA_REGS_DEV_STS_READY_MASK) == 0) { + ena_trc_err("Device isn't ready, can't reset device\n"); + return ENA_COM_INVAL; + } + + timeout = (cap & ENA_REGS_CAPS_RESET_TIMEOUT_MASK) >> + ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT; + if (timeout == 0) { + ena_trc_err("Invalid timeout value\n"); + return ENA_COM_INVAL; + } + + /* start reset */ + reset_val = ENA_REGS_DEV_CTL_DEV_RESET_MASK; + ENA_REG_WRITE32(ena_dev->bus, reset_val, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); + + /* Write again the MMIO read request address */ + ena_com_mmio_reg_read_request_write_dev_addr(ena_dev); + + rc = wait_for_reset_state(ena_dev, timeout, + ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK); + if (rc != 0) { + ena_trc_err("Reset indication didn't turn on\n"); + return rc; + } + + /* reset done */ + ENA_REG_WRITE32(ena_dev->bus, 0, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); + rc = wait_for_reset_state(ena_dev, timeout, 0); + if (rc != 0) { + ena_trc_err("Reset indication didn't turn off\n"); + return rc; + } + + timeout = (cap & ENA_REGS_CAPS_ADMIN_CMD_TO_MASK) >> + ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT; + if (timeout) + /* the resolution of timeout reg is 100ms */ + ena_dev->admin_queue.completion_timeout = timeout * 100000; + else + ena_dev->admin_queue.completion_timeout = ADMIN_CMD_TIMEOUT_US; + + return 0; +} + +static int ena_get_dev_stats(struct ena_com_dev *ena_dev, + struct ena_com_stats_ctx *ctx, + enum ena_admin_get_stats_type type) +{ + struct ena_admin_aq_get_stats_cmd *get_cmd = &ctx->get_cmd; + struct ena_admin_acq_get_stats_resp *get_resp = &ctx->get_resp; + struct ena_com_admin_queue *admin_queue; + int ret; + + admin_queue = &ena_dev->admin_queue; + + get_cmd->aq_common_descriptor.opcode = ENA_ADMIN_GET_STATS; + get_cmd->aq_common_descriptor.flags = 0; + get_cmd->type = type; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)get_cmd, + sizeof(*get_cmd), + (struct ena_admin_acq_entry *)get_resp, + sizeof(*get_resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to get stats. error: %d\n", ret); + + return ret; +} + +int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, + struct ena_admin_basic_stats *stats) +{ + struct ena_com_stats_ctx ctx; + int ret; + + memset(&ctx, 0x0, sizeof(ctx)); + ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_BASIC); + if (likely(ret == 0)) + memcpy(stats, &ctx.get_resp.basic_stats, + sizeof(ctx.get_resp.basic_stats)); + + return ret; +} + +int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_MTU)) { + ena_trc_dbg("Feature %d isn't supported\n", ENA_ADMIN_MTU); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = 0; + cmd.feat_common.feature_id = ENA_ADMIN_MTU; + cmd.u.mtu.mtu = mtu; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set mtu %d. error: %d\n", mtu, ret); + + return ret; +} + +int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, + struct ena_admin_feature_offload_desc *offload) +{ + int ret; + struct ena_admin_get_feat_resp resp; + + ret = ena_com_get_feature(ena_dev, &resp, + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + if (unlikely(ret)) { + ena_trc_err("Failed to get offload capabilities %d\n", ret); + return ret; + } + + memcpy(offload, &resp.u.offload, sizeof(resp.u.offload)); + + return 0; +} + +int ena_com_set_hash_function(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + struct ena_admin_get_feat_resp get_resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_HASH_FUNCTION)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_FUNCTION); + return ENA_COM_PERMISSION; + } + + /* Validate hash function is supported */ + ret = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_FUNCTION); + if (unlikely(ret)) + return ret; + + if (get_resp.u.flow_hash_func.supported_func & (1 << rss->hash_func)) { + ena_trc_err("Func hash %d isn't supported by device, abort\n", + rss->hash_func); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + cmd.feat_common.feature_id = ENA_ADMIN_RSS_HASH_FUNCTION; + cmd.u.flow_hash_func.init_val = rss->hash_init_val; + cmd.u.flow_hash_func.selected_func = 1 << rss->hash_func; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.control_buffer.address, + rss->hash_key_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + cmd.control_buffer.length = sizeof(*rss->hash_key); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + if (unlikely(ret)) { + ena_trc_err("Failed to set hash function %d. error: %d\n", + rss->hash_func, ret); + return ENA_COM_INVAL; + } + + return 0; +} + +int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions func, + const u8 *key, u16 key_len, u32 init_val) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + struct ena_admin_feature_rss_flow_hash_control *hash_key = + rss->hash_key; + int rc; + + /* Make sure size is a mult of DWs */ + if (unlikely(key_len & 0x3)) + return ENA_COM_INVAL; + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_FUNCTION, + rss->hash_key_dma_addr, + sizeof(*rss->hash_key)); + if (unlikely(rc)) + return rc; + + if (!((1 << func) & get_resp.u.flow_hash_func.supported_func)) { + ena_trc_err("Flow hash function %d isn't supported\n", func); + return ENA_COM_PERMISSION; + } + + switch (func) { + case ENA_ADMIN_TOEPLITZ: + if (key_len > sizeof(hash_key->key)) { + ena_trc_err("key len (%hu) is bigger than the max supported (%zu)\n", + key_len, sizeof(hash_key->key)); + return ENA_COM_INVAL; + } + + memcpy(hash_key->key, key, key_len); + rss->hash_init_val = init_val; + hash_key->keys_num = key_len >> 2; + break; + case ENA_ADMIN_CRC32: + rss->hash_init_val = init_val; + break; + default: + ena_trc_err("Invalid hash function (%d)\n", func); + return ENA_COM_INVAL; + } + + rc = ena_com_set_hash_function(ena_dev); + + /* Restore the old function */ + if (unlikely(rc)) + ena_com_get_hash_function(ena_dev, NULL, NULL); + + return rc; +} + +int ena_com_get_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions *func, + u8 *key) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + struct ena_admin_feature_rss_flow_hash_control *hash_key = + rss->hash_key; + int rc; + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_FUNCTION, + rss->hash_key_dma_addr, + sizeof(*rss->hash_key)); + if (unlikely(rc)) + return rc; + + rss->hash_func = get_resp.u.flow_hash_func.selected_func; + if (func) + *func = rss->hash_func; + + if (key) + memcpy(key, hash_key->key, (size_t)(hash_key->keys_num) << 2); + + return 0; +} + +int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 *fields) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + int rc; + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_INPUT, + rss->hash_ctrl_dma_addr, + sizeof(*rss->hash_ctrl)); + if (unlikely(rc)) + return rc; + + if (fields) + *fields = rss->hash_ctrl->selected_fields[proto].fields; + + return 0; +} + +int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_hash_control *hash_ctrl = rss->hash_ctrl; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_HASH_INPUT)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_INPUT); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + cmd.feat_common.feature_id = ENA_ADMIN_RSS_HASH_INPUT; + cmd.u.flow_hash_input.enabled_input_sort = + ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK | + ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.control_buffer.address, + rss->hash_ctrl_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + cmd.control_buffer.length = sizeof(*hash_ctrl); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + if (unlikely(ret)) + ena_trc_err("Failed to set hash input. error: %d\n", ret); + + return ret; +} + +int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_hash_control *hash_ctrl = + rss->hash_ctrl; + u16 available_fields = 0; + int rc, i; + + /* Get the supported hash input */ + rc = ena_com_get_hash_ctrl(ena_dev, 0, NULL); + if (unlikely(rc)) + return rc; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_TCP4].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_UDP4].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_TCP6].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_UDP6].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP4].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP6].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP4_FRAG].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_NOT_IP].fields = + ENA_ADMIN_RSS_L2_DA | ENA_ADMIN_RSS_L2_SA; + + for (i = 0; i < ENA_ADMIN_RSS_PROTO_NUM; i++) { + available_fields = hash_ctrl->selected_fields[i].fields & + hash_ctrl->supported_fields[i].fields; + if (available_fields != hash_ctrl->selected_fields[i].fields) { + ena_trc_err("hash control doesn't support all the desire configuration. proto %x supported %x selected %x\n", + i, hash_ctrl->supported_fields[i].fields, + hash_ctrl->selected_fields[i].fields); + return ENA_COM_PERMISSION; + } + } + + rc = ena_com_set_hash_ctrl(ena_dev); + + /* In case of failure, restore the old hash ctrl */ + if (unlikely(rc)) + ena_com_get_hash_ctrl(ena_dev, 0, NULL); + + return rc; +} + +int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 hash_fields) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_hash_control *hash_ctrl = rss->hash_ctrl; + u16 supported_fields; + int rc; + + if (proto >= ENA_ADMIN_RSS_PROTO_NUM) { + ena_trc_err("Invalid proto num (%u)\n", proto); + return ENA_COM_INVAL; + } + + /* Get the ctrl table */ + rc = ena_com_get_hash_ctrl(ena_dev, proto, NULL); + if (unlikely(rc)) + return rc; + + /* Make sure all the fields are supported */ + supported_fields = hash_ctrl->supported_fields[proto].fields; + if ((hash_fields & supported_fields) != hash_fields) { + ena_trc_err("proto %d doesn't support the required fields %x. supports only: %x\n", + proto, hash_fields, supported_fields); + } + + hash_ctrl->selected_fields[proto].fields = hash_fields; + + rc = ena_com_set_hash_ctrl(ena_dev); + + /* In case of failure, restore the old hash ctrl */ + if (unlikely(rc)) + ena_com_get_hash_ctrl(ena_dev, 0, NULL); + + return 0; +} + +int ena_com_indirect_table_fill_entry(struct ena_com_dev *ena_dev, + u16 entry_idx, u16 entry_value) +{ + struct ena_rss *rss = &ena_dev->rss; + + if (unlikely(entry_idx >= (1 << rss->tbl_log_size))) + return ENA_COM_INVAL; + + if (unlikely((entry_value > ENA_TOTAL_NUM_QUEUES))) + return ENA_COM_INVAL; + + rss->host_rss_ind_tbl[entry_idx] = entry_value; + + return 0; +} + +int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + return ENA_COM_PERMISSION; + } + + ret = ena_com_ind_tbl_convert_to_device(ena_dev); + if (ret) { + ena_trc_err("Failed to convert host indirection table to device table\n"); + return ret; + } + + memset(&cmd, 0x0, sizeof(cmd)); + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + cmd.feat_common.feature_id = ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG; + cmd.u.ind_table.size = rss->tbl_log_size; + cmd.u.ind_table.inline_index = 0xFFFFFFFF; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.control_buffer.address, + rss->rss_ind_tbl_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + cmd.control_buffer.length = (1ULL << rss->tbl_log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set indirect table. error: %d\n", ret); + + return ret; +} + +int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + u32 tbl_size; + int i, rc; + + tbl_size = (1ULL << rss->tbl_log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, + rss->rss_ind_tbl_dma_addr, + tbl_size); + if (unlikely(rc)) + return rc; + + if (!ind_tbl) + return 0; + + rc = ena_com_ind_tbl_convert_from_device(ena_dev); + if (unlikely(rc)) + return rc; + + for (i = 0; i < (1 << rss->tbl_log_size); i++) + ind_tbl[i] = rss->host_rss_ind_tbl[i]; + + return 0; +} + +int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size) +{ + int rc; + + memset(&ena_dev->rss, 0x0, sizeof(ena_dev->rss)); + + rc = ena_com_indirect_table_allocate(ena_dev, indr_tbl_log_size); + if (unlikely(rc)) + goto err_indr_tbl; + + rc = ena_com_hash_key_allocate(ena_dev); + if (unlikely(rc)) + goto err_hash_key; + + rc = ena_com_hash_ctrl_init(ena_dev); + if (unlikely(rc)) + goto err_hash_ctrl; + + return 0; + +err_hash_ctrl: + ena_com_hash_key_destroy(ena_dev); +err_hash_key: + ena_com_indirect_table_destroy(ena_dev); +err_indr_tbl: + + return rc; +} + +void ena_com_rss_destroy(struct ena_com_dev *ena_dev) +{ + ena_com_indirect_table_destroy(ena_dev); + ena_com_hash_key_destroy(ena_dev); + ena_com_hash_ctrl_destroy(ena_dev); + + memset(&ena_dev->rss, 0x0, sizeof(ena_dev->rss)); +} + +int ena_com_allocate_host_info(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + SZ_4K, + host_attr->host_info, + host_attr->host_info_dma_addr, + host_attr->host_info_dma_handle); + if (unlikely(!host_attr->host_info)) + return ENA_COM_NO_MEM; + + return 0; +} + +int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, + u32 debug_area_size) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + debug_area_size, + host_attr->debug_area_virt_addr, + host_attr->debug_area_dma_addr, + host_attr->debug_area_dma_handle); + if (unlikely(!host_attr->debug_area_virt_addr)) { + host_attr->debug_area_size = 0; + return ENA_COM_NO_MEM; + } + + host_attr->debug_area_size = debug_area_size; + + return 0; +} + +void ena_com_delete_host_info(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + if (host_attr->host_info) { + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + SZ_4K, + host_attr->host_info, + host_attr->host_info_dma_addr, + host_attr->host_info_dma_handle); + host_attr->host_info = NULL; + } +} + +void ena_com_delete_debug_area(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + if (host_attr->debug_area_virt_addr) { + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + host_attr->debug_area_size, + host_attr->debug_area_virt_addr, + host_attr->debug_area_dma_addr, + host_attr->debug_area_dma_handle); + host_attr->debug_area_virt_addr = NULL; + } +} + +int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + + int ret; + + /* Host attribute config is called before ena_com_get_dev_attr_feat + * so ena_com can't check if the feature is supported. + */ + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.feat_common.feature_id = ENA_ADMIN_HOST_ATTR_CONFIG; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.u.host_attr.debug_ba, + host_attr->debug_area_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.u.host_attr.os_info_ba, + host_attr->host_info_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + cmd.u.host_attr.debug_area_size = host_attr->debug_area_size; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set host attributes: %d\n", ret); + + return ret; +} + +/* Interrupt moderation */ +bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev) +{ + return ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_INTERRUPT_MODERATION); +} + +int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, + u32 tx_coalesce_usecs) +{ + if (!ena_dev->intr_delay_resolution) { + ena_trc_err("Illegal interrupt delay granularity value\n"); + return ENA_COM_FAULT; + } + + ena_dev->intr_moder_tx_interval = tx_coalesce_usecs / + ena_dev->intr_delay_resolution; + + return 0; +} + +int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, + u32 rx_coalesce_usecs) +{ + if (!ena_dev->intr_delay_resolution) { + ena_trc_err("Illegal interrupt delay granularity value\n"); + return ENA_COM_FAULT; + } + + /* We use LOWEST entry of moderation table for storing + * nonadaptive interrupt coalescing values + */ + ena_dev->intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval = + rx_coalesce_usecs / ena_dev->intr_delay_resolution; + + return 0; +} + +void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev) +{ + if (ena_dev->intr_moder_tbl) + ENA_MEM_FREE(ena_dev->dmadev, ena_dev->intr_moder_tbl); + ena_dev->intr_moder_tbl = NULL; +} + +int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev) +{ + struct ena_admin_get_feat_resp get_resp; + u16 delay_resolution; + int rc; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_INTERRUPT_MODERATION); + + if (rc) { + if (rc == ENA_COM_PERMISSION) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_INTERRUPT_MODERATION); + rc = 0; + } else { + ena_trc_err("Failed to get interrupt moderation admin cmd. rc: %d\n", + rc); + } + + /* no moderation supported, disable adaptive support */ + ena_com_disable_adaptive_moderation(ena_dev); + return rc; + } + + rc = ena_com_init_interrupt_moderation_table(ena_dev); + if (rc) + goto err; + + /* if moderation is supported by device we set adaptive moderation */ + delay_resolution = get_resp.u.intr_moderation.intr_delay_resolution; + ena_com_update_intr_delay_resolution(ena_dev, delay_resolution); + ena_com_enable_adaptive_moderation(ena_dev); + + return 0; +err: + ena_com_destroy_interrupt_moderation(ena_dev); + return rc; +} + +void ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (!intr_moder_tbl) + return; + + intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval = + ENA_INTR_LOWEST_USECS; + intr_moder_tbl[ENA_INTR_MODER_LOWEST].pkts_per_interval = + ENA_INTR_LOWEST_PKTS; + intr_moder_tbl[ENA_INTR_MODER_LOWEST].bytes_per_interval = + ENA_INTR_LOWEST_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_LOW].intr_moder_interval = + ENA_INTR_LOW_USECS; + intr_moder_tbl[ENA_INTR_MODER_LOW].pkts_per_interval = + ENA_INTR_LOW_PKTS; + intr_moder_tbl[ENA_INTR_MODER_LOW].bytes_per_interval = + ENA_INTR_LOW_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_MID].intr_moder_interval = + ENA_INTR_MID_USECS; + intr_moder_tbl[ENA_INTR_MODER_MID].pkts_per_interval = + ENA_INTR_MID_PKTS; + intr_moder_tbl[ENA_INTR_MODER_MID].bytes_per_interval = + ENA_INTR_MID_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_HIGH].intr_moder_interval = + ENA_INTR_HIGH_USECS; + intr_moder_tbl[ENA_INTR_MODER_HIGH].pkts_per_interval = + ENA_INTR_HIGH_PKTS; + intr_moder_tbl[ENA_INTR_MODER_HIGH].bytes_per_interval = + ENA_INTR_HIGH_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_HIGHEST].intr_moder_interval = + ENA_INTR_HIGHEST_USECS; + intr_moder_tbl[ENA_INTR_MODER_HIGHEST].pkts_per_interval = + ENA_INTR_HIGHEST_PKTS; + intr_moder_tbl[ENA_INTR_MODER_HIGHEST].bytes_per_interval = + ENA_INTR_HIGHEST_BYTES; +} + +unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev) +{ + return ena_dev->intr_moder_tx_interval; +} + +unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (intr_moder_tbl) + return intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval; + + return 0; +} + +void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (level >= ENA_INTR_MAX_NUM_OF_LEVELS) + return; + + intr_moder_tbl[level].intr_moder_interval = entry->intr_moder_interval; + if (ena_dev->intr_delay_resolution) + intr_moder_tbl[level].intr_moder_interval /= + ena_dev->intr_delay_resolution; + intr_moder_tbl[level].pkts_per_interval = entry->pkts_per_interval; + + /* use hardcoded value until ethtool supports bytecount parameter */ + if (entry->bytes_per_interval != ENA_INTR_BYTE_COUNT_NOT_SUPPORTED) + intr_moder_tbl[level].bytes_per_interval = entry->bytes_per_interval; +} + +void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (level >= ENA_INTR_MAX_NUM_OF_LEVELS) + return; + + entry->intr_moder_interval = intr_moder_tbl[level].intr_moder_interval; + if (ena_dev->intr_delay_resolution) + entry->intr_moder_interval *= ena_dev->intr_delay_resolution; + entry->pkts_per_interval = + intr_moder_tbl[level].pkts_per_interval; + entry->bytes_per_interval = intr_moder_tbl[level].bytes_per_interval; +} Property changes on: vendor-sys/ena-com/1.1.4.1/ena_com.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_com.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_com.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_com.h (revision 317516) @@ -0,0 +1,1054 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ENA_COM +#define ENA_COM + +#ifndef ENA_INTERNAL +#include "ena_plat.h" +#else +#include "ena_plat.h" +#include "ena_includes.h" +#endif + +#define ENA_MAX_NUM_IO_QUEUES 128U +/* We need to queues for each IO (on for Tx and one for Rx) */ +#define ENA_TOTAL_NUM_QUEUES (2 * (ENA_MAX_NUM_IO_QUEUES)) + +#define ENA_MAX_HANDLERS 256 + +#define ENA_MAX_PHYS_ADDR_SIZE_BITS 48 + +/* Unit in usec */ +#define ENA_REG_READ_TIMEOUT 200000 + +#define ADMIN_SQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aq_entry)) +#define ADMIN_CQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_acq_entry)) +#define ADMIN_AENQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aenq_entry)) + +/*****************************************************************************/ +/*****************************************************************************/ +/* ENA adaptive interrupt moderation settings */ + +#define ENA_INTR_LOWEST_USECS (0) +#define ENA_INTR_LOWEST_PKTS (3) +#define ENA_INTR_LOWEST_BYTES (2 * 1524) + +#define ENA_INTR_LOW_USECS (32) +#define ENA_INTR_LOW_PKTS (12) +#define ENA_INTR_LOW_BYTES (16 * 1024) + +#define ENA_INTR_MID_USECS (80) +#define ENA_INTR_MID_PKTS (48) +#define ENA_INTR_MID_BYTES (64 * 1024) + +#define ENA_INTR_HIGH_USECS (128) +#define ENA_INTR_HIGH_PKTS (96) +#define ENA_INTR_HIGH_BYTES (128 * 1024) + +#define ENA_INTR_HIGHEST_USECS (192) +#define ENA_INTR_HIGHEST_PKTS (128) +#define ENA_INTR_HIGHEST_BYTES (192 * 1024) + +#define ENA_INTR_INITIAL_TX_INTERVAL_USECS 196 +#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 4 +#define ENA_INTR_DELAY_OLD_VALUE_WEIGHT 6 +#define ENA_INTR_DELAY_NEW_VALUE_WEIGHT 4 +#define ENA_INTR_MODER_LEVEL_STRIDE 1 +#define ENA_INTR_BYTE_COUNT_NOT_SUPPORTED 0xFFFFFF + +#define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF + +enum ena_intr_moder_level { + ENA_INTR_MODER_LOWEST = 0, + ENA_INTR_MODER_LOW, + ENA_INTR_MODER_MID, + ENA_INTR_MODER_HIGH, + ENA_INTR_MODER_HIGHEST, + ENA_INTR_MAX_NUM_OF_LEVELS, +}; + +struct ena_intr_moder_entry { + unsigned int intr_moder_interval; + unsigned int pkts_per_interval; + unsigned int bytes_per_interval; +}; + +enum queue_direction { + ENA_COM_IO_QUEUE_DIRECTION_TX, + ENA_COM_IO_QUEUE_DIRECTION_RX +}; + +struct ena_com_buf { + dma_addr_t paddr; /**< Buffer physical address */ + u16 len; /**< Buffer length in bytes */ +}; + +struct ena_com_rx_buf_info { + u16 len; + u16 req_id; +}; + +struct ena_com_io_desc_addr { + u8 __iomem *pbuf_dev_addr; /* LLQ address */ + u8 *virt_addr; + dma_addr_t phys_addr; + ena_mem_handle_t mem_handle; +}; + +struct ena_com_tx_meta { + u16 mss; + u16 l3_hdr_len; + u16 l3_hdr_offset; + u16 l4_hdr_len; /* In words */ +}; + +struct ena_com_io_cq { + struct ena_com_io_desc_addr cdesc_addr; + void *bus; + + /* Interrupt unmask register */ + u32 __iomem *unmask_reg; + + /* The completion queue head doorbell register */ + u32 __iomem *cq_head_db_reg; + + /* numa configuration register (for TPH) */ + u32 __iomem *numa_node_cfg_reg; + + /* The value to write to the above register to unmask + * the interrupt of this queue + */ + u32 msix_vector; + + enum queue_direction direction; + + /* holds the number of cdesc of the current packet */ + u16 cur_rx_pkt_cdesc_count; + /* save the firt cdesc idx of the current packet */ + u16 cur_rx_pkt_cdesc_start_idx; + + u16 q_depth; + /* Caller qid */ + u16 qid; + + /* Device queue index */ + u16 idx; + u16 head; + u16 last_head_update; + u8 phase; + u8 cdesc_entry_size_in_bytes; + +} ____cacheline_aligned; + +struct ena_com_io_sq { + struct ena_com_io_desc_addr desc_addr; + void *bus; + + u32 __iomem *db_addr; + u8 __iomem *header_addr; + + enum queue_direction direction; + enum ena_admin_placement_policy_type mem_queue_type; + + u32 msix_vector; + struct ena_com_tx_meta cached_tx_meta; + + u16 q_depth; + u16 qid; + + u16 idx; + u16 tail; + u16 next_to_comp; + u32 tx_max_header_size; + u8 phase; + u8 desc_entry_size; + u8 dma_addr_bits; +} ____cacheline_aligned; + +struct ena_com_admin_cq { + struct ena_admin_acq_entry *entries; + ena_mem_handle_t mem_handle; + dma_addr_t dma_addr; + + u16 head; + u8 phase; +}; + +struct ena_com_admin_sq { + struct ena_admin_aq_entry *entries; + ena_mem_handle_t mem_handle; + dma_addr_t dma_addr; + + u32 __iomem *db_addr; + + u16 head; + u16 tail; + u8 phase; + +}; + +struct ena_com_stats_admin { + u32 aborted_cmd; + u32 submitted_cmd; + u32 completed_cmd; + u32 out_of_space; + u32 no_completion; +}; + +struct ena_com_admin_queue { + void *q_dmadev; + void *bus; + ena_spinlock_t q_lock; /* spinlock for the admin queue */ + + struct ena_comp_ctx *comp_ctx; + u32 completion_timeout; + u16 q_depth; + struct ena_com_admin_cq cq; + struct ena_com_admin_sq sq; + + /* Indicate if the admin queue should poll for completion */ + bool polling; + + u16 curr_cmd_id; + + /* Indicate that the ena was initialized and can + * process new admin commands + */ + bool running_state; + + /* Count the number of outstanding admin commands */ + ena_atomic32_t outstanding_cmds; + + struct ena_com_stats_admin stats; +}; + +struct ena_aenq_handlers; + +struct ena_com_aenq { + u16 head; + u8 phase; + struct ena_admin_aenq_entry *entries; + dma_addr_t dma_addr; + ena_mem_handle_t mem_handle; + u16 q_depth; + struct ena_aenq_handlers *aenq_handlers; +}; + +struct ena_com_mmio_read { + struct ena_admin_ena_mmio_req_read_less_resp *read_resp; + dma_addr_t read_resp_dma_addr; + ena_mem_handle_t read_resp_mem_handle; + u32 reg_read_to; /* in us */ + u16 seq_num; + bool readless_supported; + /* spin lock to ensure a single outstanding read */ + ena_spinlock_t lock; +}; + +struct ena_rss { + /* Indirect table */ + u16 *host_rss_ind_tbl; + struct ena_admin_rss_ind_table_entry *rss_ind_tbl; + dma_addr_t rss_ind_tbl_dma_addr; + ena_mem_handle_t rss_ind_tbl_mem_handle; + u16 tbl_log_size; + + /* Hash key */ + enum ena_admin_hash_functions hash_func; + struct ena_admin_feature_rss_flow_hash_control *hash_key; + dma_addr_t hash_key_dma_addr; + ena_mem_handle_t hash_key_mem_handle; + u32 hash_init_val; + + /* Flow Control */ + struct ena_admin_feature_rss_hash_control *hash_ctrl; + dma_addr_t hash_ctrl_dma_addr; + ena_mem_handle_t hash_ctrl_mem_handle; + +}; + +struct ena_host_attribute { + /* Debug area */ + u8 *debug_area_virt_addr; + dma_addr_t debug_area_dma_addr; + ena_mem_handle_t debug_area_dma_handle; + u32 debug_area_size; + + /* Host information */ + struct ena_admin_host_info *host_info; + dma_addr_t host_info_dma_addr; + ena_mem_handle_t host_info_dma_handle; +}; + +/* Each ena_dev is a PCI function. */ +struct ena_com_dev { + struct ena_com_admin_queue admin_queue; + struct ena_com_aenq aenq; + struct ena_com_io_cq io_cq_queues[ENA_TOTAL_NUM_QUEUES]; + struct ena_com_io_sq io_sq_queues[ENA_TOTAL_NUM_QUEUES]; + u8 __iomem *reg_bar; + void __iomem *mem_bar; + void *dmadev; + void *bus; + enum ena_admin_placement_policy_type tx_mem_queue_type; + u32 tx_max_header_size; + u16 stats_func; /* Selected function for extended statistic dump */ + u16 stats_queue; /* Selected queue for extended statistic dump */ + + struct ena_com_mmio_read mmio_read; + + struct ena_rss rss; + u32 supported_features; + u32 dma_addr_bits; + + struct ena_host_attribute host_attr; + bool adaptive_coalescing; + u16 intr_delay_resolution; + u32 intr_moder_tx_interval; + struct ena_intr_moder_entry *intr_moder_tbl; +}; + +struct ena_com_dev_get_features_ctx { + struct ena_admin_queue_feature_desc max_queues; + struct ena_admin_device_attr_feature_desc dev_attr; + struct ena_admin_feature_aenq_desc aenq; + struct ena_admin_feature_offload_desc offload; + struct ena_admin_ena_hw_hints hw_hints; +}; + +struct ena_com_create_io_ctx { + enum ena_admin_placement_policy_type mem_queue_type; + enum queue_direction direction; + int numa_node; + u32 msix_vector; + u16 queue_size; + u16 qid; +}; + +typedef void (*ena_aenq_handler)(void *data, + struct ena_admin_aenq_entry *aenq_e); + +/* Holds aenq handlers. Indexed by AENQ event group */ +struct ena_aenq_handlers { + ena_aenq_handler handlers[ENA_MAX_HANDLERS]; + ena_aenq_handler unimplemented_handler; +}; + +/*****************************************************************************/ +/*****************************************************************************/ +#if defined(__cplusplus) +extern "C" { +#endif + +/* ena_com_mmio_reg_read_request_init - Init the mmio reg read mechanism + * @ena_dev: ENA communication layer struct + * + * Initialize the register read mechanism. + * + * @note: This method must be the first stage in the initialization sequence. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev); + +/* ena_com_set_mmio_read_mode - Enable/disable the mmio reg read mechanism + * @ena_dev: ENA communication layer struct + * @readless_supported: readless mode (enable/disable) + */ +void ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, + bool readless_supported); + +/* ena_com_mmio_reg_read_request_write_dev_addr - Write the mmio reg read return + * value physical address. + * @ena_dev: ENA communication layer struct + */ +void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev); + +/* ena_com_mmio_reg_read_request_destroy - Destroy the mmio reg read mechanism + * @ena_dev: ENA communication layer struct + */ +void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev); + +/* ena_com_admin_init - Init the admin and the async queues + * @ena_dev: ENA communication layer struct + * @aenq_handlers: Those handlers to be called upon event. + * @init_spinlock: Indicate if this method should init the admin spinlock or + * the spinlock was init before (for example, in a case of FLR). + * + * Initialize the admin submission and completion queues. + * Initialize the asynchronous events notification queues. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_admin_init(struct ena_com_dev *ena_dev, + struct ena_aenq_handlers *aenq_handlers, + bool init_spinlock); + +/* ena_com_admin_destroy - Destroy the admin and the async events queues. + * @ena_dev: ENA communication layer struct + * + * @note: Before calling this method, the caller must validate that the device + * won't send any additional admin completions/aenq. + * To achieve that, a FLR is recommended. + */ +void ena_com_admin_destroy(struct ena_com_dev *ena_dev); + +/* ena_com_dev_reset - Perform device FLR to the device. + * @ena_dev: ENA communication layer struct + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_dev_reset(struct ena_com_dev *ena_dev); + +/* ena_com_create_io_queue - Create io queue. + * @ena_dev: ENA communication layer struct + * @ctx - create context structure + * + * Create the submission and the completion queues. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_create_io_queue(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx); + +/* ena_com_destroy_io_queue - Destroy IO queue with the queue id - qid. + * @ena_dev: ENA communication layer struct + * @qid - the caller virtual queue id. + */ +void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid); + +/* ena_com_get_io_handlers - Return the io queue handlers + * @ena_dev: ENA communication layer struct + * @qid - the caller virtual queue id. + * @io_sq - IO submission queue handler + * @io_cq - IO completion queue handler. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_get_io_handlers(struct ena_com_dev *ena_dev, u16 qid, + struct ena_com_io_sq **io_sq, + struct ena_com_io_cq **io_cq); + +/* ena_com_admin_aenq_enable - ENAble asynchronous event notifications + * @ena_dev: ENA communication layer struct + * + * After this method, aenq event can be received via AENQ. + */ +void ena_com_admin_aenq_enable(struct ena_com_dev *ena_dev); + +/* ena_com_set_admin_running_state - Set the state of the admin queue + * @ena_dev: ENA communication layer struct + * + * Change the state of the admin queue (enable/disable) + */ +void ena_com_set_admin_running_state(struct ena_com_dev *ena_dev, bool state); + +/* ena_com_get_admin_running_state - Get the admin queue state + * @ena_dev: ENA communication layer struct + * + * Retrieve the state of the admin queue (enable/disable) + * + * @return - current polling mode (enable/disable) + */ +bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev); + +/* ena_com_set_admin_polling_mode - Set the admin completion queue polling mode + * @ena_dev: ENA communication layer struct + * @polling: ENAble/Disable polling mode + * + * Set the admin completion mode. + */ +void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling); + +/* ena_com_set_admin_polling_mode - Get the admin completion queue polling mode + * @ena_dev: ENA communication layer struct + * + * Get the admin completion mode. + * If polling mode is on, ena_com_execute_admin_command will perform a + * polling on the admin completion queue for the commands completion, + * otherwise it will wait on wait event. + * + * @return state + */ +bool ena_com_get_ena_admin_polling_mode(struct ena_com_dev *ena_dev); + +/* ena_com_admin_q_comp_intr_handler - admin queue interrupt handler + * @ena_dev: ENA communication layer struct + * + * This method go over the admin completion queue and wake up all the pending + * threads that wait on the commands wait event. + * + * @note: Should be called after MSI-X interrupt. + */ +void ena_com_admin_q_comp_intr_handler(struct ena_com_dev *ena_dev); + +/* ena_com_aenq_intr_handler - AENQ interrupt handler + * @ena_dev: ENA communication layer struct + * + * This method go over the async event notification queue and call the proper + * aenq handler. + */ +void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data); + +/* ena_com_abort_admin_commands - Abort all the outstanding admin commands. + * @ena_dev: ENA communication layer struct + * + * This method aborts all the outstanding admin commands. + * The caller should then call ena_com_wait_for_abort_completion to make sure + * all the commands were completed. + */ +void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev); + +/* ena_com_wait_for_abort_completion - Wait for admin commands abort. + * @ena_dev: ENA communication layer struct + * + * This method wait until all the outstanding admin commands will be completed. + */ +void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev); + +/* ena_com_validate_version - Validate the device parameters + * @ena_dev: ENA communication layer struct + * + * This method validate the device parameters are the same as the saved + * parameters in ena_dev. + * This method is useful after device reset, to validate the device mac address + * and the device offloads are the same as before the reset. + * + * @return - 0 on success negative value otherwise. + */ +int ena_com_validate_version(struct ena_com_dev *ena_dev); + +/* ena_com_get_link_params - Retrieve physical link parameters. + * @ena_dev: ENA communication layer struct + * @resp: Link parameters + * + * Retrieve the physical link parameters, + * like speed, auto-negotiation and full duplex support. + * + * @return - 0 on Success negative value otherwise. + */ +int ena_com_get_link_params(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *resp); + +/* ena_com_get_dma_width - Retrieve physical dma address width the device + * supports. + * @ena_dev: ENA communication layer struct + * + * Retrieve the maximum physical address bits the device can handle. + * + * @return: > 0 on Success and negative value otherwise. + */ +int ena_com_get_dma_width(struct ena_com_dev *ena_dev); + +/* ena_com_set_aenq_config - Set aenq groups configurations + * @ena_dev: ENA communication layer struct + * @groups flag: bit fields flags of enum ena_admin_aenq_group. + * + * Configure which aenq event group the driver would like to receive. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag); + +/* ena_com_get_dev_attr_feat - Get device features + * @ena_dev: ENA communication layer struct + * @get_feat_ctx: returned context that contain the get features. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, + struct ena_com_dev_get_features_ctx *get_feat_ctx); + +/* ena_com_get_dev_basic_stats - Get device basic statistics + * @ena_dev: ENA communication layer struct + * @stats: stats return value + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, + struct ena_admin_basic_stats *stats); + +/* ena_com_set_dev_mtu - Configure the device mtu. + * @ena_dev: ENA communication layer struct + * @mtu: mtu value + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu); + +/* ena_com_get_offload_settings - Retrieve the device offloads capabilities + * @ena_dev: ENA communication layer struct + * @offlad: offload return value + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, + struct ena_admin_feature_offload_desc *offload); + +/* ena_com_rss_init - Init RSS + * @ena_dev: ENA communication layer struct + * @log_size: indirection log size + * + * Allocate RSS/RFS resources. + * The caller then can configure rss using ena_com_set_hash_function, + * ena_com_set_hash_ctrl and ena_com_indirect_table_set. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 log_size); + +/* ena_com_rss_destroy - Destroy rss + * @ena_dev: ENA communication layer struct + * + * Free all the RSS/RFS resources. + */ +void ena_com_rss_destroy(struct ena_com_dev *ena_dev); + +/* ena_com_fill_hash_function - Fill RSS hash function + * @ena_dev: ENA communication layer struct + * @func: The hash function (Toeplitz or crc) + * @key: Hash key (for toeplitz hash) + * @key_len: key length (max length 10 DW) + * @init_val: initial value for the hash function + * + * Fill the ena_dev resources with the desire hash function, hash key, key_len + * and key initial value (if needed by the hash function). + * To flush the key into the device the caller should call + * ena_com_set_hash_function. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions func, + const u8 *key, u16 key_len, u32 init_val); + +/* ena_com_set_hash_function - Flush the hash function and it dependencies to + * the device. + * @ena_dev: ENA communication layer struct + * + * Flush the hash function and it dependencies (key, key length and + * initial value) if needed. + * + * @note: Prior to this method the caller should call ena_com_fill_hash_function + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_hash_function(struct ena_com_dev *ena_dev); + +/* ena_com_get_hash_function - Retrieve the hash function and the hash key + * from the device. + * @ena_dev: ENA communication layer struct + * @func: hash function + * @key: hash key + * + * Retrieve the hash function and the hash key from the device. + * + * @note: If the caller called ena_com_fill_hash_function but didn't flash + * it to the device, the new configuration will be lost. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions *func, + u8 *key); + +/* ena_com_fill_hash_ctrl - Fill RSS hash control + * @ena_dev: ENA communication layer struct. + * @proto: The protocol to configure. + * @hash_fields: bit mask of ena_admin_flow_hash_fields + * + * Fill the ena_dev resources with the desire hash control (the ethernet + * fields that take part of the hash) for a specific protocol. + * To flush the hash control to the device, the caller should call + * ena_com_set_hash_ctrl. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 hash_fields); + +/* ena_com_set_hash_ctrl - Flush the hash control resources to the device. + * @ena_dev: ENA communication layer struct + * + * Flush the hash control (the ethernet fields that take part of the hash) + * + * @note: Prior to this method the caller should call ena_com_fill_hash_ctrl. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev); + +/* ena_com_get_hash_ctrl - Retrieve the hash control from the device. + * @ena_dev: ENA communication layer struct + * @proto: The protocol to retrieve. + * @fields: bit mask of ena_admin_flow_hash_fields. + * + * Retrieve the hash control from the device. + * + * @note, If the caller called ena_com_fill_hash_ctrl but didn't flash + * it to the device, the new configuration will be lost. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 *fields); + +/* ena_com_set_default_hash_ctrl - Set the hash control to a default + * configuration. + * @ena_dev: ENA communication layer struct + * + * Fill the ena_dev resources with the default hash control configuration. + * To flush the hash control to the device, the caller should call + * ena_com_set_hash_ctrl. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev); + +/* ena_com_indirect_table_fill_entry - Fill a single entry in the RSS + * indirection table + * @ena_dev: ENA communication layer struct. + * @entry_idx - indirection table entry. + * @entry_value - redirection value + * + * Fill a single entry of the RSS indirection table in the ena_dev resources. + * To flush the indirection table to the device, the called should call + * ena_com_indirect_table_set. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_indirect_table_fill_entry(struct ena_com_dev *ena_dev, + u16 entry_idx, u16 entry_value); + +/* ena_com_indirect_table_set - Flush the indirection table to the device. + * @ena_dev: ENA communication layer struct + * + * Flush the indirection hash control to the device. + * Prior to this method the caller should call ena_com_indirect_table_fill_entry + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_indirect_table_set(struct ena_com_dev *ena_dev); + +/* ena_com_indirect_table_get - Retrieve the indirection table from the device. + * @ena_dev: ENA communication layer struct + * @ind_tbl: indirection table + * + * Retrieve the RSS indirection table from the device. + * + * @note: If the caller called ena_com_indirect_table_fill_entry but didn't flash + * it to the device, the new configuration will be lost. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl); + +/* ena_com_allocate_host_info - Allocate host info resources. + * @ena_dev: ENA communication layer struct + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_allocate_host_info(struct ena_com_dev *ena_dev); + +/* ena_com_allocate_debug_area - Allocate debug area. + * @ena_dev: ENA communication layer struct + * @debug_area_size - debug area size. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, + u32 debug_area_size); + +/* ena_com_delete_debug_area - Free the debug area resources. + * @ena_dev: ENA communication layer struct + * + * Free the allocate debug area. + */ +void ena_com_delete_debug_area(struct ena_com_dev *ena_dev); + +/* ena_com_delete_host_info - Free the host info resources. + * @ena_dev: ENA communication layer struct + * + * Free the allocate host info. + */ +void ena_com_delete_host_info(struct ena_com_dev *ena_dev); + +/* ena_com_set_host_attributes - Update the device with the host + * attributes (debug area and host info) base address. + * @ena_dev: ENA communication layer struct + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_host_attributes(struct ena_com_dev *ena_dev); + +/* ena_com_create_io_cq - Create io completion queue. + * @ena_dev: ENA communication layer struct + * @io_cq - io completion queue handler + + * Create IO completion queue. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_create_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq); + +/* ena_com_destroy_io_cq - Destroy io completion queue. + * @ena_dev: ENA communication layer struct + * @io_cq - io completion queue handler + + * Destroy IO completion queue. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq); + +/* ena_com_execute_admin_command - Execute admin command + * @admin_queue: admin queue. + * @cmd: the admin command to execute. + * @cmd_size: the command size. + * @cmd_completion: command completion return value. + * @cmd_comp_size: command completion size. + + * Submit an admin command and then wait until the device will return a + * completion. + * The completion will be copyed into cmd_comp. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size, + struct ena_admin_acq_entry *cmd_comp, + size_t cmd_comp_size); + +/* ena_com_init_interrupt_moderation - Init interrupt moderation + * @ena_dev: ENA communication layer struct + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev); + +/* ena_com_destroy_interrupt_moderation - Destroy interrupt moderation resources + * @ena_dev: ENA communication layer struct + */ +void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev); + +/* ena_com_interrupt_moderation_supported - Return if interrupt moderation + * capability is supported by the device. + * + * @return - supported or not. + */ +bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev); + +/* ena_com_config_default_interrupt_moderation_table - Restore the interrupt + * moderation table back to the default parameters. + * @ena_dev: ENA communication layer struct + */ +void ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev); + +/* ena_com_update_nonadaptive_moderation_interval_tx - Update the + * non-adaptive interval in Tx direction. + * @ena_dev: ENA communication layer struct + * @tx_coalesce_usecs: Interval in usec. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, + u32 tx_coalesce_usecs); + +/* ena_com_update_nonadaptive_moderation_interval_rx - Update the + * non-adaptive interval in Rx direction. + * @ena_dev: ENA communication layer struct + * @rx_coalesce_usecs: Interval in usec. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, + u32 rx_coalesce_usecs); + +/* ena_com_get_nonadaptive_moderation_interval_tx - Retrieve the + * non-adaptive interval in Tx direction. + * @ena_dev: ENA communication layer struct + * + * @return - interval in usec + */ +unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev); + +/* ena_com_get_nonadaptive_moderation_interval_rx - Retrieve the + * non-adaptive interval in Rx direction. + * @ena_dev: ENA communication layer struct + * + * @return - interval in usec + */ +unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev); + +/* ena_com_init_intr_moderation_entry - Update a single entry in the interrupt + * moderation table. + * @ena_dev: ENA communication layer struct + * @level: Interrupt moderation table level + * @entry: Entry value + * + * Update a single entry in the interrupt moderation table. + */ +void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry); + +/* ena_com_get_intr_moderation_entry - Init ena_intr_moder_entry. + * @ena_dev: ENA communication layer struct + * @level: Interrupt moderation table level + * @entry: Entry to fill. + * + * Initialize the entry according to the adaptive interrupt moderation table. + */ +void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry); + +static inline bool ena_com_get_adaptive_moderation_enabled(struct ena_com_dev *ena_dev) +{ + return ena_dev->adaptive_coalescing; +} + +static inline void ena_com_enable_adaptive_moderation(struct ena_com_dev *ena_dev) +{ + ena_dev->adaptive_coalescing = true; +} + +static inline void ena_com_disable_adaptive_moderation(struct ena_com_dev *ena_dev) +{ + ena_dev->adaptive_coalescing = false; +} + +/* ena_com_calculate_interrupt_delay - Calculate new interrupt delay + * @ena_dev: ENA communication layer struct + * @pkts: Number of packets since the last update + * @bytes: Number of bytes received since the last update. + * @smoothed_interval: Returned interval + * @moder_tbl_idx: Current table level as input update new level as return + * value. + */ +static inline void ena_com_calculate_interrupt_delay(struct ena_com_dev *ena_dev, + unsigned int pkts, + unsigned int bytes, + unsigned int *smoothed_interval, + unsigned int *moder_tbl_idx) +{ + enum ena_intr_moder_level curr_moder_idx, new_moder_idx; + struct ena_intr_moder_entry *curr_moder_entry; + struct ena_intr_moder_entry *pred_moder_entry; + struct ena_intr_moder_entry *new_moder_entry; + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + unsigned int interval; + + /* We apply adaptive moderation on Rx path only. + * Tx uses static interrupt moderation. + */ + if (!pkts || !bytes) + /* Tx interrupt, or spurious interrupt, + * in both cases we just use same delay values + */ + return; + + curr_moder_idx = (enum ena_intr_moder_level)(*moder_tbl_idx); + if (unlikely(curr_moder_idx >= ENA_INTR_MAX_NUM_OF_LEVELS)) { + ena_trc_err("Wrong moderation index %u\n", curr_moder_idx); + return; + } + + curr_moder_entry = &intr_moder_tbl[curr_moder_idx]; + new_moder_idx = curr_moder_idx; + + if (curr_moder_idx == ENA_INTR_MODER_LOWEST) { + if ((pkts > curr_moder_entry->pkts_per_interval) || + (bytes > curr_moder_entry->bytes_per_interval)) + new_moder_idx = + (enum ena_intr_moder_level)(curr_moder_idx + ENA_INTR_MODER_LEVEL_STRIDE); + } else { + pred_moder_entry = &intr_moder_tbl[curr_moder_idx - ENA_INTR_MODER_LEVEL_STRIDE]; + + if ((pkts <= pred_moder_entry->pkts_per_interval) || + (bytes <= pred_moder_entry->bytes_per_interval)) + new_moder_idx = + (enum ena_intr_moder_level)(curr_moder_idx - ENA_INTR_MODER_LEVEL_STRIDE); + else if ((pkts > curr_moder_entry->pkts_per_interval) || + (bytes > curr_moder_entry->bytes_per_interval)) { + if (curr_moder_idx != ENA_INTR_MODER_HIGHEST) + new_moder_idx = + (enum ena_intr_moder_level)(curr_moder_idx + ENA_INTR_MODER_LEVEL_STRIDE); + } + } + new_moder_entry = &intr_moder_tbl[new_moder_idx]; + + interval = new_moder_entry->intr_moder_interval; + *smoothed_interval = ( + (interval * ENA_INTR_DELAY_NEW_VALUE_WEIGHT + + ENA_INTR_DELAY_OLD_VALUE_WEIGHT * (*smoothed_interval)) + 5) / + 10; + + *moder_tbl_idx = new_moder_idx; +} + +/* ena_com_update_intr_reg - Prepare interrupt register + * @intr_reg: interrupt register to update. + * @rx_delay_interval: Rx interval in usecs + * @tx_delay_interval: Tx interval in usecs + * @unmask: unask enable/disable + * + * Prepare interrupt update register with the supplied parameters. + */ +static inline void ena_com_update_intr_reg(struct ena_eth_io_intr_reg *intr_reg, + u32 rx_delay_interval, + u32 tx_delay_interval, + bool unmask) +{ + intr_reg->intr_control = 0; + intr_reg->intr_control |= rx_delay_interval & + ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; + + intr_reg->intr_control |= + (tx_delay_interval << ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT) + & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK; + + if (unmask) + intr_reg->intr_control |= ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK; +} + +#if defined(__cplusplus) +} +#endif /* __cplusplus */ +#endif /* !(ENA_COM) */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_com.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_common_defs.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_common_defs.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_common_defs.h (revision 317516) @@ -0,0 +1,50 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_COMMON_H_ +#define _ENA_COMMON_H_ + +#define ENA_COMMON_SPEC_VERSION_MAJOR 0 /* */ +#define ENA_COMMON_SPEC_VERSION_MINOR 10 /* */ + +/* ENA operates with 48-bit memory addresses. ena_mem_addr_t */ +struct ena_common_mem_addr { + uint32_t mem_addr_low; + + uint16_t mem_addr_high; + + /* MBZ */ + uint16_t reserved16; +}; + +#endif /*_ENA_COMMON_H_ */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_common_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_eth_com.c =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_eth_com.c (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_eth_com.c (revision 317516) @@ -0,0 +1,509 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "ena_eth_com.h" + +static inline struct ena_eth_io_rx_cdesc_base *ena_com_get_next_rx_cdesc( + struct ena_com_io_cq *io_cq) +{ + struct ena_eth_io_rx_cdesc_base *cdesc; + u16 expected_phase, head_masked; + u16 desc_phase; + + head_masked = io_cq->head & (io_cq->q_depth - 1); + expected_phase = io_cq->phase; + + cdesc = (struct ena_eth_io_rx_cdesc_base *)(io_cq->cdesc_addr.virt_addr + + (head_masked * io_cq->cdesc_entry_size_in_bytes)); + + desc_phase = (READ_ONCE(cdesc->status) & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT; + + if (desc_phase != expected_phase) + return NULL; + + return cdesc; +} + +static inline void ena_com_cq_inc_head(struct ena_com_io_cq *io_cq) +{ + io_cq->head++; + + /* Switch phase bit in case of wrap around */ + if (unlikely((io_cq->head & (io_cq->q_depth - 1)) == 0)) + io_cq->phase ^= 1; +} + +static inline void *get_sq_desc(struct ena_com_io_sq *io_sq) +{ + u16 tail_masked; + u32 offset; + + tail_masked = io_sq->tail & (io_sq->q_depth - 1); + + offset = tail_masked * io_sq->desc_entry_size; + + return (void *)((uintptr_t)io_sq->desc_addr.virt_addr + offset); +} + +static inline void ena_com_copy_curr_sq_desc_to_dev(struct ena_com_io_sq *io_sq) +{ + u16 tail_masked = io_sq->tail & (io_sq->q_depth - 1); + u32 offset = tail_masked * io_sq->desc_entry_size; + + /* In case this queue isn't a LLQ */ + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) + return; + + memcpy_toio(io_sq->desc_addr.pbuf_dev_addr + offset, + io_sq->desc_addr.virt_addr + offset, + io_sq->desc_entry_size); +} + +static inline void ena_com_sq_update_tail(struct ena_com_io_sq *io_sq) +{ + io_sq->tail++; + + /* Switch phase bit in case of wrap around */ + if (unlikely((io_sq->tail & (io_sq->q_depth - 1)) == 0)) + io_sq->phase ^= 1; +} + +static inline int ena_com_write_header(struct ena_com_io_sq *io_sq, + u8 *head_src, u16 header_len) +{ + u16 tail_masked = io_sq->tail & (io_sq->q_depth - 1); + u8 __iomem *dev_head_addr = + io_sq->header_addr + (tail_masked * io_sq->tx_max_header_size); + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) + return 0; + + if (unlikely(!io_sq->header_addr)) { + ena_trc_err("Push buffer header ptr is NULL\n"); + return ENA_COM_INVAL; + } + + memcpy_toio(dev_head_addr, head_src, header_len); + + return 0; +} + +static inline struct ena_eth_io_rx_cdesc_base * + ena_com_rx_cdesc_idx_to_ptr(struct ena_com_io_cq *io_cq, u16 idx) +{ + idx &= (io_cq->q_depth - 1); + return (struct ena_eth_io_rx_cdesc_base *) + ((uintptr_t)io_cq->cdesc_addr.virt_addr + + idx * io_cq->cdesc_entry_size_in_bytes); +} + +static inline u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq, + u16 *first_cdesc_idx) +{ + struct ena_eth_io_rx_cdesc_base *cdesc; + u16 count = 0, head_masked; + u32 last = 0; + + do { + cdesc = ena_com_get_next_rx_cdesc(io_cq); + if (!cdesc) + break; + + ena_com_cq_inc_head(io_cq); + count++; + last = (READ_ONCE(cdesc->status) & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT; + } while (!last); + + if (last) { + *first_cdesc_idx = io_cq->cur_rx_pkt_cdesc_start_idx; + count += io_cq->cur_rx_pkt_cdesc_count; + + head_masked = io_cq->head & (io_cq->q_depth - 1); + + io_cq->cur_rx_pkt_cdesc_count = 0; + io_cq->cur_rx_pkt_cdesc_start_idx = head_masked; + + ena_trc_dbg("ena q_id: %d packets were completed. first desc idx %u descs# %d\n", + io_cq->qid, *first_cdesc_idx, count); + } else { + io_cq->cur_rx_pkt_cdesc_count += count; + count = 0; + } + + return count; +} + +static inline bool ena_com_meta_desc_changed(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx) +{ + int rc; + + if (ena_tx_ctx->meta_valid) { + rc = memcmp(&io_sq->cached_tx_meta, + &ena_tx_ctx->ena_meta, + sizeof(struct ena_com_tx_meta)); + + if (unlikely(rc != 0)) + return true; + } + + return false; +} + +static inline void ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx) +{ + struct ena_eth_io_tx_meta_desc *meta_desc = NULL; + struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta; + + meta_desc = get_sq_desc(io_sq); + memset(meta_desc, 0x0, sizeof(struct ena_eth_io_tx_meta_desc)); + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_DESC_MASK; + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK; + + /* bits 0-9 of the mss */ + meta_desc->word2 |= (ena_meta->mss << + ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT) & + ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK; + /* bits 10-13 of the mss */ + meta_desc->len_ctrl |= ((ena_meta->mss >> 10) << + ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT) & + ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK; + + /* Extended meta desc */ + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK; + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK; + meta_desc->len_ctrl |= (io_sq->phase << + ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT) & + ENA_ETH_IO_TX_META_DESC_PHASE_MASK; + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_FIRST_MASK; + meta_desc->word2 |= ena_meta->l3_hdr_len & + ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK; + meta_desc->word2 |= (ena_meta->l3_hdr_offset << + ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT) & + ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK; + + meta_desc->word2 |= (ena_meta->l4_hdr_len << + ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT) & + ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK; + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK; + + /* Cached the meta desc */ + memcpy(&io_sq->cached_tx_meta, ena_meta, + sizeof(struct ena_com_tx_meta)); + + ena_com_copy_curr_sq_desc_to_dev(io_sq); + ena_com_sq_update_tail(io_sq); +} + +static inline void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx, + struct ena_eth_io_rx_cdesc_base *cdesc) +{ + ena_rx_ctx->l3_proto = cdesc->status & + ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK; + ena_rx_ctx->l4_proto = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT; + ena_rx_ctx->l3_csum_err = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT; + ena_rx_ctx->l4_csum_err = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT; + ena_rx_ctx->hash = cdesc->hash; + ena_rx_ctx->frag = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT; + + ena_trc_dbg("ena_rx_ctx->l3_proto %d ena_rx_ctx->l4_proto %d\nena_rx_ctx->l3_csum_err %d ena_rx_ctx->l4_csum_err %d\nhash frag %d frag: %d cdesc_status: %x\n", + ena_rx_ctx->l3_proto, + ena_rx_ctx->l4_proto, + ena_rx_ctx->l3_csum_err, + ena_rx_ctx->l4_csum_err, + ena_rx_ctx->hash, + ena_rx_ctx->frag, + cdesc->status); +} + +/*****************************************************************************/ +/***************************** API **********************************/ +/*****************************************************************************/ + +int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx, + int *nb_hw_desc) +{ + struct ena_eth_io_tx_desc *desc = NULL; + struct ena_com_buf *ena_bufs = ena_tx_ctx->ena_bufs; + void *push_header = ena_tx_ctx->push_header; + u16 header_len = ena_tx_ctx->header_len; + u16 num_bufs = ena_tx_ctx->num_bufs; + int total_desc, i, rc; + bool have_meta; + u64 addr_hi; + + ENA_WARN(io_sq->direction != ENA_COM_IO_QUEUE_DIRECTION_TX, + "wrong Q type"); + + /* num_bufs +1 for potential meta desc */ + if (ena_com_sq_empty_space(io_sq) < (num_bufs + 1)) { + ena_trc_err("Not enough space in the tx queue\n"); + return ENA_COM_NO_MEM; + } + + if (unlikely(header_len > io_sq->tx_max_header_size)) { + ena_trc_err("header size is too large %d max header: %d\n", + header_len, io_sq->tx_max_header_size); + return ENA_COM_INVAL; + } + + /* start with pushing the header (if needed) */ + rc = ena_com_write_header(io_sq, push_header, header_len); + if (unlikely(rc)) + return rc; + + have_meta = ena_tx_ctx->meta_valid && ena_com_meta_desc_changed(io_sq, + ena_tx_ctx); + if (have_meta) + ena_com_create_and_store_tx_meta_desc(io_sq, ena_tx_ctx); + + /* If the caller doesn't want send packets */ + if (unlikely(!num_bufs && !header_len)) { + *nb_hw_desc = have_meta ? 0 : 1; + return 0; + } + + desc = get_sq_desc(io_sq); + memset(desc, 0x0, sizeof(struct ena_eth_io_tx_desc)); + + /* Set first desc when we don't have meta descriptor */ + if (!have_meta) + desc->len_ctrl |= ENA_ETH_IO_TX_DESC_FIRST_MASK; + + desc->buff_addr_hi_hdr_sz |= (header_len << + ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT) & + ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK; + desc->len_ctrl |= (io_sq->phase << ENA_ETH_IO_TX_DESC_PHASE_SHIFT) & + ENA_ETH_IO_TX_DESC_PHASE_MASK; + + desc->len_ctrl |= ENA_ETH_IO_TX_DESC_COMP_REQ_MASK; + + /* Bits 0-9 */ + desc->meta_ctrl |= (ena_tx_ctx->req_id << + ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT) & + ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK; + + desc->meta_ctrl |= (ena_tx_ctx->df << + ENA_ETH_IO_TX_DESC_DF_SHIFT) & + ENA_ETH_IO_TX_DESC_DF_MASK; + + /* Bits 10-15 */ + desc->len_ctrl |= ((ena_tx_ctx->req_id >> 10) << + ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT) & + ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK; + + if (ena_tx_ctx->meta_valid) { + desc->meta_ctrl |= (ena_tx_ctx->tso_enable << + ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT) & + ENA_ETH_IO_TX_DESC_TSO_EN_MASK; + desc->meta_ctrl |= ena_tx_ctx->l3_proto & + ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l4_proto << + ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT) & + ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l3_csum_enable << + ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT) & + ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l4_csum_enable << + ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT) & + ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l4_csum_partial << + ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT) & + ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK; + } + + for (i = 0; i < num_bufs; i++) { + /* The first desc share the same desc as the header */ + if (likely(i != 0)) { + ena_com_copy_curr_sq_desc_to_dev(io_sq); + ena_com_sq_update_tail(io_sq); + + desc = get_sq_desc(io_sq); + memset(desc, 0x0, sizeof(struct ena_eth_io_tx_desc)); + + desc->len_ctrl |= (io_sq->phase << + ENA_ETH_IO_TX_DESC_PHASE_SHIFT) & + ENA_ETH_IO_TX_DESC_PHASE_MASK; + } + + desc->len_ctrl |= ena_bufs->len & + ENA_ETH_IO_TX_DESC_LENGTH_MASK; + + addr_hi = ((ena_bufs->paddr & + GENMASK_ULL(io_sq->dma_addr_bits - 1, 32)) >> 32); + + desc->buff_addr_lo = (u32)ena_bufs->paddr; + desc->buff_addr_hi_hdr_sz |= addr_hi & + ENA_ETH_IO_TX_DESC_ADDR_HI_MASK; + ena_bufs++; + } + + /* set the last desc indicator */ + desc->len_ctrl |= ENA_ETH_IO_TX_DESC_LAST_MASK; + + ena_com_copy_curr_sq_desc_to_dev(io_sq); + + ena_com_sq_update_tail(io_sq); + + total_desc = ENA_MAX16(num_bufs, 1); + total_desc += have_meta ? 1 : 0; + + *nb_hw_desc = total_desc; + return 0; +} + +int ena_com_rx_pkt(struct ena_com_io_cq *io_cq, + struct ena_com_io_sq *io_sq, + struct ena_com_rx_ctx *ena_rx_ctx) +{ + struct ena_com_rx_buf_info *ena_buf = &ena_rx_ctx->ena_bufs[0]; + struct ena_eth_io_rx_cdesc_base *cdesc = NULL; + u16 cdesc_idx = 0; + u16 nb_hw_desc; + u16 i; + + ENA_WARN(io_cq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX, + "wrong Q type"); + + nb_hw_desc = ena_com_cdesc_rx_pkt_get(io_cq, &cdesc_idx); + if (nb_hw_desc == 0) { + ena_rx_ctx->descs = nb_hw_desc; + return 0; + } + + ena_trc_dbg("fetch rx packet: queue %d completed desc: %d\n", + io_cq->qid, nb_hw_desc); + + if (unlikely(nb_hw_desc > ena_rx_ctx->max_bufs)) { + ena_trc_err("Too many RX cdescs (%d) > MAX(%d)\n", + nb_hw_desc, ena_rx_ctx->max_bufs); + return ENA_COM_NO_SPACE; + } + + for (i = 0; i < nb_hw_desc; i++) { + cdesc = ena_com_rx_cdesc_idx_to_ptr(io_cq, cdesc_idx + i); + + ena_buf->len = cdesc->length; + ena_buf->req_id = cdesc->req_id; + ena_buf++; + } + + /* Update SQ head ptr */ + io_sq->next_to_comp += nb_hw_desc; + + ena_trc_dbg("[%s][QID#%d] Updating SQ head to: %d\n", __func__, + io_sq->qid, io_sq->next_to_comp); + + /* Get rx flags from the last pkt */ + ena_com_rx_set_flags(ena_rx_ctx, cdesc); + + ena_rx_ctx->descs = nb_hw_desc; + return 0; +} + +int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq, + struct ena_com_buf *ena_buf, + u16 req_id) +{ + struct ena_eth_io_rx_desc *desc; + + ENA_WARN(io_sq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX, + "wrong Q type"); + + if (unlikely(ena_com_sq_empty_space(io_sq) == 0)) + return ENA_COM_NO_SPACE; + + desc = get_sq_desc(io_sq); + memset(desc, 0x0, sizeof(struct ena_eth_io_rx_desc)); + + desc->length = ena_buf->len; + + desc->ctrl |= ENA_ETH_IO_RX_DESC_FIRST_MASK; + desc->ctrl |= ENA_ETH_IO_RX_DESC_LAST_MASK; + desc->ctrl |= io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK; + desc->ctrl |= ENA_ETH_IO_RX_DESC_COMP_REQ_MASK; + + desc->req_id = req_id; + + desc->buff_addr_lo = (u32)ena_buf->paddr; + desc->buff_addr_hi = + ((ena_buf->paddr & GENMASK_ULL(io_sq->dma_addr_bits - 1, 32)) >> 32); + + ena_com_sq_update_tail(io_sq); + + return 0; +} + +int ena_com_tx_comp_req_id_get(struct ena_com_io_cq *io_cq, u16 *req_id) +{ + u8 expected_phase, cdesc_phase; + struct ena_eth_io_tx_cdesc *cdesc; + u16 masked_head; + + masked_head = io_cq->head & (io_cq->q_depth - 1); + expected_phase = io_cq->phase; + + cdesc = (struct ena_eth_io_tx_cdesc *) + ((uintptr_t)io_cq->cdesc_addr.virt_addr + + (masked_head * io_cq->cdesc_entry_size_in_bytes)); + + /* When the current completion descriptor phase isn't the same as the + * expected, it mean that the device still didn't update + * this completion. + */ + cdesc_phase = READ_ONCE(cdesc->flags) & ENA_ETH_IO_TX_CDESC_PHASE_MASK; + if (cdesc_phase != expected_phase) + return ENA_COM_TRY_AGAIN; + + ena_com_cq_inc_head(io_cq); + + *req_id = READ_ONCE(cdesc->req_id); + + return 0; +} Property changes on: vendor-sys/ena-com/1.1.4.1/ena_eth_com.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_eth_com.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_eth_com.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_eth_com.h (revision 317516) @@ -0,0 +1,167 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ENA_ETH_COM_H_ +#define ENA_ETH_COM_H_ + +#if defined(__cplusplus) +extern "C" { +#endif +#include "ena_com.h" + +/* head update threshold in units of (queue size / ENA_COMP_HEAD_THRESH) */ +#define ENA_COMP_HEAD_THRESH 4 + +struct ena_com_tx_ctx { + struct ena_com_tx_meta ena_meta; + struct ena_com_buf *ena_bufs; + /* For LLQ, header buffer - pushed to the device mem space */ + void *push_header; + + enum ena_eth_io_l3_proto_index l3_proto; + enum ena_eth_io_l4_proto_index l4_proto; + u16 num_bufs; + u16 req_id; + /* For regular queue, indicate the size of the header + * For LLQ, indicate the size of the pushed buffer + */ + u16 header_len; + + u8 meta_valid; + u8 tso_enable; + u8 l3_csum_enable; + u8 l4_csum_enable; + u8 l4_csum_partial; + u8 df; /* Don't fragment */ +}; + +struct ena_com_rx_ctx { + struct ena_com_rx_buf_info *ena_bufs; + enum ena_eth_io_l3_proto_index l3_proto; + enum ena_eth_io_l4_proto_index l4_proto; + bool l3_csum_err; + bool l4_csum_err; + /* fragmented packet */ + bool frag; + u32 hash; + u16 descs; + int max_bufs; +}; + +int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx, + int *nb_hw_desc); + +int ena_com_rx_pkt(struct ena_com_io_cq *io_cq, + struct ena_com_io_sq *io_sq, + struct ena_com_rx_ctx *ena_rx_ctx); + +int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq, + struct ena_com_buf *ena_buf, + u16 req_id); + +int ena_com_tx_comp_req_id_get(struct ena_com_io_cq *io_cq, u16 *req_id); + +static inline void ena_com_unmask_intr(struct ena_com_io_cq *io_cq, + struct ena_eth_io_intr_reg *intr_reg) +{ + ENA_REG_WRITE32(io_cq->bus, intr_reg->intr_control, io_cq->unmask_reg); +} + +static inline int ena_com_sq_empty_space(struct ena_com_io_sq *io_sq) +{ + u16 tail, next_to_comp, cnt; + + next_to_comp = io_sq->next_to_comp; + tail = io_sq->tail; + cnt = tail - next_to_comp; + + return io_sq->q_depth - 1 - cnt; +} + +static inline int ena_com_write_sq_doorbell(struct ena_com_io_sq *io_sq) +{ + u16 tail; + + tail = io_sq->tail; + + ena_trc_dbg("write submission queue doorbell for queue: %d tail: %d\n", + io_sq->qid, tail); + + ENA_REG_WRITE32(io_sq->bus, tail, io_sq->db_addr); + + return 0; +} + +static inline int ena_com_update_dev_comp_head(struct ena_com_io_cq *io_cq) +{ + u16 unreported_comp, head; + bool need_update; + + head = io_cq->head; + unreported_comp = head - io_cq->last_head_update; + need_update = unreported_comp > (io_cq->q_depth / ENA_COMP_HEAD_THRESH); + + if (io_cq->cq_head_db_reg && need_update) { + ena_trc_dbg("Write completion queue doorbell for queue %d: head: %d\n", + io_cq->qid, head); + ENA_REG_WRITE32(io_cq->bus, head, io_cq->cq_head_db_reg); + io_cq->last_head_update = head; + } + + return 0; +} + +static inline void ena_com_update_numa_node(struct ena_com_io_cq *io_cq, + u8 numa_node) +{ + struct ena_eth_io_numa_node_cfg_reg numa_cfg; + + if (!io_cq->numa_node_cfg_reg) + return; + + numa_cfg.numa_cfg = (numa_node & ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK) + | ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK; + + ENA_REG_WRITE32(io_cq->bus, numa_cfg.numa_cfg, io_cq->numa_node_cfg_reg); +} + +static inline void ena_com_comp_ack(struct ena_com_io_sq *io_sq, u16 elem) +{ + io_sq->next_to_comp += elem; +} + +#if defined(__cplusplus) +} +#endif +#endif /* ENA_ETH_COM_H_ */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_eth_com.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_eth_io_defs.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_eth_io_defs.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_eth_io_defs.h (revision 317516) @@ -0,0 +1,960 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_ETH_IO_H_ +#define _ENA_ETH_IO_H_ + +enum ena_eth_io_l3_proto_index { + ENA_ETH_IO_L3_PROTO_UNKNOWN = 0, + + ENA_ETH_IO_L3_PROTO_IPV4 = 8, + + ENA_ETH_IO_L3_PROTO_IPV6 = 11, + + ENA_ETH_IO_L3_PROTO_FCOE = 21, + + ENA_ETH_IO_L3_PROTO_ROCE = 22, +}; + +enum ena_eth_io_l4_proto_index { + ENA_ETH_IO_L4_PROTO_UNKNOWN = 0, + + ENA_ETH_IO_L4_PROTO_TCP = 12, + + ENA_ETH_IO_L4_PROTO_UDP = 13, + + ENA_ETH_IO_L4_PROTO_ROUTEABLE_ROCE = 23, +}; + +struct ena_eth_io_tx_desc { + /* 15:0 : length - Buffer length in bytes, must + * include any packet trailers that the ENA supposed + * to update like End-to-End CRC, Authentication GMAC + * etc. This length must not include the + * 'Push_Buffer' length. This length must not include + * the 4-byte added in the end for 802.3 Ethernet FCS + * 21:16 : req_id_hi - Request ID[15:10] + * 22 : reserved22 - MBZ + * 23 : meta_desc - MBZ + * 24 : phase + * 25 : reserved1 - MBZ + * 26 : first - Indicates first descriptor in + * transaction + * 27 : last - Indicates last descriptor in + * transaction + * 28 : comp_req - Indicates whether completion + * should be posted, after packet is transmitted. + * Valid only for first descriptor + * 30:29 : reserved29 - MBZ + * 31 : reserved31 - MBZ + */ + uint32_t len_ctrl; + + /* 3:0 : l3_proto_idx - L3 protocol. This field + * required when l3_csum_en,l3_csum or tso_en are set. + * 4 : DF - IPv4 DF, must be 0 if packet is IPv4 and + * DF flags of the IPv4 header is 0. Otherwise must + * be set to 1 + * 6:5 : reserved5 + * 7 : tso_en - Enable TSO, For TCP only. + * 12:8 : l4_proto_idx - L4 protocol. This field need + * to be set when l4_csum_en or tso_en are set. + * 13 : l3_csum_en - enable IPv4 header checksum. + * 14 : l4_csum_en - enable TCP/UDP checksum. + * 15 : ethernet_fcs_dis - when set, the controller + * will not append the 802.3 Ethernet Frame Check + * Sequence to the packet + * 16 : reserved16 + * 17 : l4_csum_partial - L4 partial checksum. when + * set to 0, the ENA calculates the L4 checksum, + * where the Destination Address required for the + * TCP/UDP pseudo-header is taken from the actual + * packet L3 header. when set to 1, the ENA doesn't + * calculate the sum of the pseudo-header, instead, + * the checksum field of the L4 is used instead. When + * TSO enabled, the checksum of the pseudo-header + * must not include the tcp length field. L4 partial + * checksum should be used for IPv6 packet that + * contains Routing Headers. + * 20:18 : reserved18 - MBZ + * 21 : reserved21 - MBZ + * 31:22 : req_id_lo - Request ID[9:0] + */ + uint32_t meta_ctrl; + + uint32_t buff_addr_lo; + + /* address high and header size + * 15:0 : addr_hi - Buffer Pointer[47:32] + * 23:16 : reserved16_w2 + * 31:24 : header_length - Header length. For Low + * Latency Queues, this fields indicates the number + * of bytes written to the headers' memory. For + * normal queues, if packet is TCP or UDP, and longer + * than max_header_size, then this field should be + * set to the sum of L4 header offset and L4 header + * size(without options), otherwise, this field + * should be set to 0. For both modes, this field + * must not exceed the max_header_size. + * max_header_size value is reported by the Max + * Queues Feature descriptor + */ + uint32_t buff_addr_hi_hdr_sz; +}; + +struct ena_eth_io_tx_meta_desc { + /* 9:0 : req_id_lo - Request ID[9:0] + * 11:10 : reserved10 - MBZ + * 12 : reserved12 - MBZ + * 13 : reserved13 - MBZ + * 14 : ext_valid - if set, offset fields in Word2 + * are valid Also MSS High in Word 0 and bits [31:24] + * in Word 3 + * 15 : reserved15 + * 19:16 : mss_hi + * 20 : eth_meta_type - 0: Tx Metadata Descriptor, 1: + * Extended Metadata Descriptor + * 21 : meta_store - Store extended metadata in queue + * cache + * 22 : reserved22 - MBZ + * 23 : meta_desc - MBO + * 24 : phase + * 25 : reserved25 - MBZ + * 26 : first - Indicates first descriptor in + * transaction + * 27 : last - Indicates last descriptor in + * transaction + * 28 : comp_req - Indicates whether completion + * should be posted, after packet is transmitted. + * Valid only for first descriptor + * 30:29 : reserved29 - MBZ + * 31 : reserved31 - MBZ + */ + uint32_t len_ctrl; + + /* 5:0 : req_id_hi + * 31:6 : reserved6 - MBZ + */ + uint32_t word1; + + /* 7:0 : l3_hdr_len + * 15:8 : l3_hdr_off + * 21:16 : l4_hdr_len_in_words - counts the L4 header + * length in words. there is an explicit assumption + * that L4 header appears right after L3 header and + * L4 offset is based on l3_hdr_off+l3_hdr_len + * 31:22 : mss_lo + */ + uint32_t word2; + + uint32_t reserved; +}; + +struct ena_eth_io_tx_cdesc { + /* Request ID[15:0] */ + uint16_t req_id; + + uint8_t status; + + /* flags + * 0 : phase + * 7:1 : reserved1 + */ + uint8_t flags; + + uint16_t sub_qid; + + uint16_t sq_head_idx; +}; + +struct ena_eth_io_rx_desc { + /* In bytes. 0 means 64KB */ + uint16_t length; + + /* MBZ */ + uint8_t reserved2; + + /* 0 : phase + * 1 : reserved1 - MBZ + * 2 : first - Indicates first descriptor in + * transaction + * 3 : last - Indicates last descriptor in transaction + * 4 : comp_req + * 5 : reserved5 - MBO + * 7:6 : reserved6 - MBZ + */ + uint8_t ctrl; + + uint16_t req_id; + + /* MBZ */ + uint16_t reserved6; + + uint32_t buff_addr_lo; + + uint16_t buff_addr_hi; + + /* MBZ */ + uint16_t reserved16_w3; +}; + +/* 4-word format Note: all ethernet parsing information are valid only when + * last=1 + */ +struct ena_eth_io_rx_cdesc_base { + /* 4:0 : l3_proto_idx + * 6:5 : src_vlan_cnt + * 7 : reserved7 - MBZ + * 12:8 : l4_proto_idx + * 13 : l3_csum_err - when set, either the L3 + * checksum error detected, or, the controller didn't + * validate the checksum. This bit is valid only when + * l3_proto_idx indicates IPv4 packet + * 14 : l4_csum_err - when set, either the L4 + * checksum error detected, or, the controller didn't + * validate the checksum. This bit is valid only when + * l4_proto_idx indicates TCP/UDP packet, and, + * ipv4_frag is not set + * 15 : ipv4_frag - Indicates IPv4 fragmented packet + * 23:16 : reserved16 + * 24 : phase + * 25 : l3_csum2 - second checksum engine result + * 26 : first - Indicates first descriptor in + * transaction + * 27 : last - Indicates last descriptor in + * transaction + * 29:28 : reserved28 + * 30 : buffer - 0: Metadata descriptor. 1: Buffer + * Descriptor was used + * 31 : reserved31 + */ + uint32_t status; + + uint16_t length; + + uint16_t req_id; + + /* 32-bit hash result */ + uint32_t hash; + + uint16_t sub_qid; + + uint16_t reserved; +}; + +/* 8-word format */ +struct ena_eth_io_rx_cdesc_ext { + struct ena_eth_io_rx_cdesc_base base; + + uint32_t buff_addr_lo; + + uint16_t buff_addr_hi; + + uint16_t reserved16; + + uint32_t reserved_w6; + + uint32_t reserved_w7; +}; + +struct ena_eth_io_intr_reg { + /* 14:0 : rx_intr_delay + * 29:15 : tx_intr_delay + * 30 : intr_unmask + * 31 : reserved + */ + uint32_t intr_control; +}; + +struct ena_eth_io_numa_node_cfg_reg { + /* 7:0 : numa + * 30:8 : reserved + * 31 : enabled + */ + uint32_t numa_cfg; +}; + +/* tx_desc */ +#define ENA_ETH_IO_TX_DESC_LENGTH_MASK GENMASK(15, 0) +#define ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT 16 +#define ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK GENMASK(21, 16) +#define ENA_ETH_IO_TX_DESC_META_DESC_SHIFT 23 +#define ENA_ETH_IO_TX_DESC_META_DESC_MASK BIT(23) +#define ENA_ETH_IO_TX_DESC_PHASE_SHIFT 24 +#define ENA_ETH_IO_TX_DESC_PHASE_MASK BIT(24) +#define ENA_ETH_IO_TX_DESC_FIRST_SHIFT 26 +#define ENA_ETH_IO_TX_DESC_FIRST_MASK BIT(26) +#define ENA_ETH_IO_TX_DESC_LAST_SHIFT 27 +#define ENA_ETH_IO_TX_DESC_LAST_MASK BIT(27) +#define ENA_ETH_IO_TX_DESC_COMP_REQ_SHIFT 28 +#define ENA_ETH_IO_TX_DESC_COMP_REQ_MASK BIT(28) +#define ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK GENMASK(3, 0) +#define ENA_ETH_IO_TX_DESC_DF_SHIFT 4 +#define ENA_ETH_IO_TX_DESC_DF_MASK BIT(4) +#define ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT 7 +#define ENA_ETH_IO_TX_DESC_TSO_EN_MASK BIT(7) +#define ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT 8 +#define ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK GENMASK(12, 8) +#define ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT 13 +#define ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK BIT(13) +#define ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT 14 +#define ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK BIT(14) +#define ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_SHIFT 15 +#define ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_MASK BIT(15) +#define ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT 17 +#define ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK BIT(17) +#define ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT 22 +#define ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK GENMASK(31, 22) +#define ENA_ETH_IO_TX_DESC_ADDR_HI_MASK GENMASK(15, 0) +#define ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT 24 +#define ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK GENMASK(31, 24) + +/* tx_meta_desc */ +#define ENA_ETH_IO_TX_META_DESC_REQ_ID_LO_MASK GENMASK(9, 0) +#define ENA_ETH_IO_TX_META_DESC_EXT_VALID_SHIFT 14 +#define ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK BIT(14) +#define ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT 16 +#define ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK GENMASK(19, 16) +#define ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_SHIFT 20 +#define ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK BIT(20) +#define ENA_ETH_IO_TX_META_DESC_META_STORE_SHIFT 21 +#define ENA_ETH_IO_TX_META_DESC_META_STORE_MASK BIT(21) +#define ENA_ETH_IO_TX_META_DESC_META_DESC_SHIFT 23 +#define ENA_ETH_IO_TX_META_DESC_META_DESC_MASK BIT(23) +#define ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT 24 +#define ENA_ETH_IO_TX_META_DESC_PHASE_MASK BIT(24) +#define ENA_ETH_IO_TX_META_DESC_FIRST_SHIFT 26 +#define ENA_ETH_IO_TX_META_DESC_FIRST_MASK BIT(26) +#define ENA_ETH_IO_TX_META_DESC_LAST_SHIFT 27 +#define ENA_ETH_IO_TX_META_DESC_LAST_MASK BIT(27) +#define ENA_ETH_IO_TX_META_DESC_COMP_REQ_SHIFT 28 +#define ENA_ETH_IO_TX_META_DESC_COMP_REQ_MASK BIT(28) +#define ENA_ETH_IO_TX_META_DESC_REQ_ID_HI_MASK GENMASK(5, 0) +#define ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK GENMASK(7, 0) +#define ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT 8 +#define ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK GENMASK(15, 8) +#define ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT 16 +#define ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK GENMASK(21, 16) +#define ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT 22 +#define ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK GENMASK(31, 22) + +/* tx_cdesc */ +#define ENA_ETH_IO_TX_CDESC_PHASE_MASK BIT(0) + +/* rx_desc */ +#define ENA_ETH_IO_RX_DESC_PHASE_MASK BIT(0) +#define ENA_ETH_IO_RX_DESC_FIRST_SHIFT 2 +#define ENA_ETH_IO_RX_DESC_FIRST_MASK BIT(2) +#define ENA_ETH_IO_RX_DESC_LAST_SHIFT 3 +#define ENA_ETH_IO_RX_DESC_LAST_MASK BIT(3) +#define ENA_ETH_IO_RX_DESC_COMP_REQ_SHIFT 4 +#define ENA_ETH_IO_RX_DESC_COMP_REQ_MASK BIT(4) + +/* rx_cdesc_base */ +#define ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK GENMASK(4, 0) +#define ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_SHIFT 5 +#define ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_MASK GENMASK(6, 5) +#define ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT 8 +#define ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK GENMASK(12, 8) +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT 13 +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK BIT(13) +#define ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT 14 +#define ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK BIT(14) +#define ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT 15 +#define ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK BIT(15) +#define ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT 24 +#define ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK BIT(24) +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_SHIFT 25 +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_MASK BIT(25) +#define ENA_ETH_IO_RX_CDESC_BASE_FIRST_SHIFT 26 +#define ENA_ETH_IO_RX_CDESC_BASE_FIRST_MASK BIT(26) +#define ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT 27 +#define ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK BIT(27) +#define ENA_ETH_IO_RX_CDESC_BASE_BUFFER_SHIFT 30 +#define ENA_ETH_IO_RX_CDESC_BASE_BUFFER_MASK BIT(30) + +/* intr_reg */ +#define ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK GENMASK(14, 0) +#define ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT 15 +#define ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK GENMASK(29, 15) +#define ENA_ETH_IO_INTR_REG_INTR_UNMASK_SHIFT 30 +#define ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK BIT(30) + +/* numa_node_cfg_reg */ +#define ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK GENMASK(7, 0) +#define ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT 31 +#define ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK BIT(31) + +#if !defined(ENA_DEFS_LINUX_MAINLINE) +static inline uint32_t get_ena_eth_io_tx_desc_length(const struct ena_eth_io_tx_desc *p) +{ + return p->len_ctrl & ENA_ETH_IO_TX_DESC_LENGTH_MASK; +} + +static inline void set_ena_eth_io_tx_desc_length(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= val & ENA_ETH_IO_TX_DESC_LENGTH_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_req_id_hi(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK) >> ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_req_id_hi(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT) & ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_meta_desc(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_META_DESC_MASK) >> ENA_ETH_IO_TX_DESC_META_DESC_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_meta_desc(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_META_DESC_SHIFT) & ENA_ETH_IO_TX_DESC_META_DESC_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_phase(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_PHASE_MASK) >> ENA_ETH_IO_TX_DESC_PHASE_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_phase(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_PHASE_SHIFT) & ENA_ETH_IO_TX_DESC_PHASE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_first(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_FIRST_MASK) >> ENA_ETH_IO_TX_DESC_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_first(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_FIRST_SHIFT) & ENA_ETH_IO_TX_DESC_FIRST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_last(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_LAST_MASK) >> ENA_ETH_IO_TX_DESC_LAST_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_last(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_LAST_SHIFT) & ENA_ETH_IO_TX_DESC_LAST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_comp_req(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_COMP_REQ_MASK) >> ENA_ETH_IO_TX_DESC_COMP_REQ_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_comp_req(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_COMP_REQ_SHIFT) & ENA_ETH_IO_TX_DESC_COMP_REQ_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l3_proto_idx(const struct ena_eth_io_tx_desc *p) +{ + return p->meta_ctrl & ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK; +} + +static inline void set_ena_eth_io_tx_desc_l3_proto_idx(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= val & ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_DF(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_DF_MASK) >> ENA_ETH_IO_TX_DESC_DF_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_DF(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_DF_SHIFT) & ENA_ETH_IO_TX_DESC_DF_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_tso_en(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_TSO_EN_MASK) >> ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_tso_en(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT) & ENA_ETH_IO_TX_DESC_TSO_EN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l4_proto_idx(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK) >> ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l4_proto_idx(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT) & ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l3_csum_en(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK) >> ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l3_csum_en(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT) & ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l4_csum_en(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK) >> ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l4_csum_en(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT) & ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_ethernet_fcs_dis(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_MASK) >> ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_ethernet_fcs_dis(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_SHIFT) & ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l4_csum_partial(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK) >> ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l4_csum_partial(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT) & ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_req_id_lo(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK) >> ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_req_id_lo(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT) & ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_addr_hi(const struct ena_eth_io_tx_desc *p) +{ + return p->buff_addr_hi_hdr_sz & ENA_ETH_IO_TX_DESC_ADDR_HI_MASK; +} + +static inline void set_ena_eth_io_tx_desc_addr_hi(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->buff_addr_hi_hdr_sz |= val & ENA_ETH_IO_TX_DESC_ADDR_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_header_length(const struct ena_eth_io_tx_desc *p) +{ + return (p->buff_addr_hi_hdr_sz & ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK) >> ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_header_length(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->buff_addr_hi_hdr_sz |= (val << ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT) & ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_req_id_lo(const struct ena_eth_io_tx_meta_desc *p) +{ + return p->len_ctrl & ENA_ETH_IO_TX_META_DESC_REQ_ID_LO_MASK; +} + +static inline void set_ena_eth_io_tx_meta_desc_req_id_lo(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= val & ENA_ETH_IO_TX_META_DESC_REQ_ID_LO_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_ext_valid(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK) >> ENA_ETH_IO_TX_META_DESC_EXT_VALID_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_ext_valid(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_EXT_VALID_SHIFT) & ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_mss_hi(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK) >> ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_mss_hi(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT) & ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_eth_meta_type(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK) >> ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_eth_meta_type(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_SHIFT) & ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_meta_store(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_META_STORE_MASK) >> ENA_ETH_IO_TX_META_DESC_META_STORE_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_meta_store(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_META_STORE_SHIFT) & ENA_ETH_IO_TX_META_DESC_META_STORE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_meta_desc(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_META_DESC_MASK) >> ENA_ETH_IO_TX_META_DESC_META_DESC_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_meta_desc(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_META_DESC_SHIFT) & ENA_ETH_IO_TX_META_DESC_META_DESC_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_phase(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_PHASE_MASK) >> ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_phase(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT) & ENA_ETH_IO_TX_META_DESC_PHASE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_first(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_FIRST_MASK) >> ENA_ETH_IO_TX_META_DESC_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_first(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_FIRST_SHIFT) & ENA_ETH_IO_TX_META_DESC_FIRST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_last(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_LAST_MASK) >> ENA_ETH_IO_TX_META_DESC_LAST_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_last(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_LAST_SHIFT) & ENA_ETH_IO_TX_META_DESC_LAST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_comp_req(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_COMP_REQ_MASK) >> ENA_ETH_IO_TX_META_DESC_COMP_REQ_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_comp_req(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_COMP_REQ_SHIFT) & ENA_ETH_IO_TX_META_DESC_COMP_REQ_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_req_id_hi(const struct ena_eth_io_tx_meta_desc *p) +{ + return p->word1 & ENA_ETH_IO_TX_META_DESC_REQ_ID_HI_MASK; +} + +static inline void set_ena_eth_io_tx_meta_desc_req_id_hi(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word1 |= val & ENA_ETH_IO_TX_META_DESC_REQ_ID_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_l3_hdr_len(const struct ena_eth_io_tx_meta_desc *p) +{ + return p->word2 & ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK; +} + +static inline void set_ena_eth_io_tx_meta_desc_l3_hdr_len(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= val & ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_l3_hdr_off(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->word2 & ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK) >> ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_l3_hdr_off(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= (val << ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT) & ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_l4_hdr_len_in_words(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->word2 & ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK) >> ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_l4_hdr_len_in_words(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= (val << ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT) & ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_mss_lo(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->word2 & ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK) >> ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_mss_lo(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= (val << ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT) & ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK; +} + +static inline uint8_t get_ena_eth_io_tx_cdesc_phase(const struct ena_eth_io_tx_cdesc *p) +{ + return p->flags & ENA_ETH_IO_TX_CDESC_PHASE_MASK; +} + +static inline void set_ena_eth_io_tx_cdesc_phase(struct ena_eth_io_tx_cdesc *p, uint8_t val) +{ + p->flags |= val & ENA_ETH_IO_TX_CDESC_PHASE_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_phase(const struct ena_eth_io_rx_desc *p) +{ + return p->ctrl & ENA_ETH_IO_RX_DESC_PHASE_MASK; +} + +static inline void set_ena_eth_io_rx_desc_phase(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= val & ENA_ETH_IO_RX_DESC_PHASE_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_first(const struct ena_eth_io_rx_desc *p) +{ + return (p->ctrl & ENA_ETH_IO_RX_DESC_FIRST_MASK) >> ENA_ETH_IO_RX_DESC_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_rx_desc_first(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= (val << ENA_ETH_IO_RX_DESC_FIRST_SHIFT) & ENA_ETH_IO_RX_DESC_FIRST_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_last(const struct ena_eth_io_rx_desc *p) +{ + return (p->ctrl & ENA_ETH_IO_RX_DESC_LAST_MASK) >> ENA_ETH_IO_RX_DESC_LAST_SHIFT; +} + +static inline void set_ena_eth_io_rx_desc_last(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= (val << ENA_ETH_IO_RX_DESC_LAST_SHIFT) & ENA_ETH_IO_RX_DESC_LAST_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_comp_req(const struct ena_eth_io_rx_desc *p) +{ + return (p->ctrl & ENA_ETH_IO_RX_DESC_COMP_REQ_MASK) >> ENA_ETH_IO_RX_DESC_COMP_REQ_SHIFT; +} + +static inline void set_ena_eth_io_rx_desc_comp_req(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= (val << ENA_ETH_IO_RX_DESC_COMP_REQ_SHIFT) & ENA_ETH_IO_RX_DESC_COMP_REQ_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l3_proto_idx(const struct ena_eth_io_rx_cdesc_base *p) +{ + return p->status & ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l3_proto_idx(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= val & ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_src_vlan_cnt(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_src_vlan_cnt(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l4_proto_idx(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l4_proto_idx(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l3_csum_err(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l3_csum_err(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l4_csum_err(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l4_csum_err(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_ipv4_frag(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_ipv4_frag(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_phase(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_phase(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l3_csum2(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l3_csum2(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_first(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_FIRST_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_first(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_FIRST_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_FIRST_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_last(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_last(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_buffer(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_BUFFER_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_BUFFER_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_buffer(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_BUFFER_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_BUFFER_MASK; +} + +static inline uint32_t get_ena_eth_io_intr_reg_rx_intr_delay(const struct ena_eth_io_intr_reg *p) +{ + return p->intr_control & ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; +} + +static inline void set_ena_eth_io_intr_reg_rx_intr_delay(struct ena_eth_io_intr_reg *p, uint32_t val) +{ + p->intr_control |= val & ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; +} + +static inline uint32_t get_ena_eth_io_intr_reg_tx_intr_delay(const struct ena_eth_io_intr_reg *p) +{ + return (p->intr_control & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK) >> ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT; +} + +static inline void set_ena_eth_io_intr_reg_tx_intr_delay(struct ena_eth_io_intr_reg *p, uint32_t val) +{ + p->intr_control |= (val << ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT) & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK; +} + +static inline uint32_t get_ena_eth_io_intr_reg_intr_unmask(const struct ena_eth_io_intr_reg *p) +{ + return (p->intr_control & ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK) >> ENA_ETH_IO_INTR_REG_INTR_UNMASK_SHIFT; +} + +static inline void set_ena_eth_io_intr_reg_intr_unmask(struct ena_eth_io_intr_reg *p, uint32_t val) +{ + p->intr_control |= (val << ENA_ETH_IO_INTR_REG_INTR_UNMASK_SHIFT) & ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK; +} + +static inline uint32_t get_ena_eth_io_numa_node_cfg_reg_numa(const struct ena_eth_io_numa_node_cfg_reg *p) +{ + return p->numa_cfg & ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK; +} + +static inline void set_ena_eth_io_numa_node_cfg_reg_numa(struct ena_eth_io_numa_node_cfg_reg *p, uint32_t val) +{ + p->numa_cfg |= val & ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK; +} + +static inline uint32_t get_ena_eth_io_numa_node_cfg_reg_enabled(const struct ena_eth_io_numa_node_cfg_reg *p) +{ + return (p->numa_cfg & ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK) >> ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT; +} + +static inline void set_ena_eth_io_numa_node_cfg_reg_enabled(struct ena_eth_io_numa_node_cfg_reg *p, uint32_t val) +{ + p->numa_cfg |= (val << ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT) & ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK; +} + +#endif /* !defined(ENA_DEFS_LINUX_MAINLINE) */ +#endif /*_ENA_ETH_IO_H_ */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_eth_io_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_plat.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_plat.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_plat.h (revision 317516) @@ -0,0 +1,376 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ENA_PLAT_H_ +#define ENA_PLAT_H_ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +extern struct ena_bus_space ebs; + +/* Levels */ +#define ENA_ALERT (1 << 0) /* Alerts are providing more error info. */ +#define ENA_WARNING (1 << 1) /* Driver output is more error sensitive. */ +#define ENA_INFO (1 << 2) /* Provides additional driver info. */ +#define ENA_DBG (1 << 3) /* Driver output for debugging. */ +/* Detailed info that will be printed with ENA_INFO or ENA_DEBUG flag. */ +#define ENA_TXPTH (1 << 4) /* Allows TX path tracing. */ +#define ENA_RXPTH (1 << 5) /* Allows RX path tracing. */ +#define ENA_RSC (1 << 6) /* Goes with TXPTH or RXPTH, free/alloc res. */ +#define ENA_IOQ (1 << 7) /* Detailed info about IO queues. */ +#define ENA_ADMQ (1 << 8) /* Detailed info about admin queue. */ + +#ifndef ENA_DEBUG_LEVEL +#define ENA_DEBUG_LEVEL (ENA_ALERT | ENA_WARNING) +#endif + +#ifdef ENA_TRACE +#define ena_trace_raw(level, fmt, args...) \ + do { \ + if (((level) & ENA_DEBUG_LEVEL) != (level)) \ + break; \ + printf(fmt, ##args); \ + } while (0) + +#define ena_trace(level, fmt, args...) \ + ena_trace_raw(level, "%s() [TID:%d]: " \ + fmt " \n", __func__, curthread->td_tid, ##args) + +#else /* ENA_TRACE */ +#define ena_trace_raw(...) +#define ena_trace(...) +#endif /* ENA_TRACE */ + +#define ena_trc_dbg(format, arg...) ena_trace(ENA_DBG, format, ##arg) +#define ena_trc_info(format, arg...) ena_trace(ENA_INFO, format, ##arg) +#define ena_trc_warn(format, arg...) ena_trace(ENA_WARNING, format, ##arg) +#define ena_trc_err(format, arg...) ena_trace(ENA_ALERT, format, ##arg) + +#define unlikely(x) __predict_false(x) +#define likely(x) __predict_true(x) + +#define __iomem +#define ____cacheline_aligned __aligned(CACHE_LINE_SIZE) + +#define MAX_ERRNO 4095 +#define IS_ERR_VALUE(x) unlikely((x) <= (unsigned long)MAX_ERRNO) + +#define WARN_ON(condition) \ + do { \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + printf("%s %s", __FUNCTION__, __FILE__); \ + unlikely(__ret_warn_on); \ + } while (0) + +#define ENA_ASSERT(cond, format, arg...) \ + do { \ + if (unlikely(!(cond))) { \ + ena_trc_err( \ + "Assert failed on %s:%s:%d:" format, \ + __FILE__, __func__, __LINE__, ##arg); \ + WARN_ON(cond); \ + } \ + } while (0) + +#define ENA_WARN(cond, format, arg...) \ + do { \ + if (unlikely((cond))) { \ + ena_trc_warn(format, ##arg); \ + } \ + } while (0) + +static inline long IS_ERR(const void *ptr) +{ + return IS_ERR_VALUE((unsigned long)ptr); +} + +static inline void *ERR_PTR(long error) +{ + return (void *)error; +} + +static inline long PTR_ERR(const void *ptr) +{ + return (long) ptr; +} + +#define GENMASK(h, l) (((1U << ((h) - (l) + 1)) - 1) << (l)) +#define GENMASK_ULL(h, l) (((~0ULL) << (l)) & (~0ULL >> (64 - 1 - (h)))) +#define BIT(x) (1 << (x)) + +#define ENA_ABORT() BUG() +#define BUG() panic("ENA BUG") + +#define SZ_256 (256) +#define SZ_4K (4096) + +#define ENA_COM_OK 0 +#define ENA_COM_FAULT EFAULT +#define ENA_COM_INVAL EINVAL +#define ENA_COM_NO_MEM ENOMEM +#define ENA_COM_NO_SPACE ENOSPC +#define ENA_COM_TRY_AGAIN -1 +#define ENA_COM_NO_DEVICE ENODEV +#define ENA_COM_PERMISSION EPERM +#define ENA_COM_TIMER_EXPIRED ETIMEDOUT + +#define ENA_MSLEEP(x) pause_sbt("ena", SBT_1MS * (x), SBT_1MS, 0) +#define ENA_UDELAY(x) DELAY(x) +#define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \ + ((long)cputick2usec(cpu_ticks()) + (timeout_us)) +#define ENA_TIME_EXPIRE(timeout) ((timeout) < (long)cputick2usec(cpu_ticks())) +#define ENA_MIGHT_SLEEP() + +#define min_t(type, _x, _y) ((type)(_x) < (type)(_y) ? (type)(_x) : (type)(_y)) +#define max_t(type, _x, _y) ((type)(_x) > (type)(_y) ? (type)(_x) : (type)(_y)) + +#define ENA_MIN32(x,y) MIN(x, y) +#define ENA_MIN16(x,y) MIN(x, y) +#define ENA_MIN8(x,y) MIN(x, y) + +#define ENA_MAX32(x,y) MAX(x, y) +#define ENA_MAX16(x,y) MAX(x, y) +#define ENA_MAX8(x,y) MAX(x, y) + +/* Spinlock related methods */ +#define ena_spinlock_t struct mtx +#define ENA_SPINLOCK_INIT(spinlock) \ + mtx_init(&(spinlock), "ena_spin", NULL, MTX_SPIN) +#define ENA_SPINLOCK_DESTROY(spinlock) \ + do { \ + if (mtx_initialized(&(spinlock))) \ + mtx_destroy(&(spinlock)); \ + } while (0) +#define ENA_SPINLOCK_LOCK(spinlock, flags) \ + do { \ + (void)(flags); \ + mtx_lock_spin(&(spinlock)); \ + } while (0) +#define ENA_SPINLOCK_UNLOCK(spinlock, flags) \ + do { \ + (void)(flags); \ + mtx_unlock_spin(&(spinlock)); \ + } while (0) + + +/* Wait queue related methods */ +#define ena_wait_event_t struct { struct cv wq; struct mtx mtx; } +#define ENA_WAIT_EVENT_INIT(waitqueue) \ + do { \ + cv_init(&((waitqueue).wq), "cv"); \ + mtx_init(&((waitqueue).mtx), "wq", NULL, MTX_DEF); \ + } while (0) +#define ENA_WAIT_EVENT_DESTROY(waitqueue) \ + do { \ + cv_destroy(&((waitqueue).wq)); \ + mtx_destroy(&((waitqueue).mtx)); \ + } while (0) +#define ENA_WAIT_EVENT_CLEAR(waitqueue) \ + cv_init(&((waitqueue).wq), (waitqueue).wq.cv_description) +#define ENA_WAIT_EVENT_WAIT(waitqueue, timeout_us) \ + do { \ + mtx_lock(&((waitqueue).mtx)); \ + cv_timedwait(&((waitqueue).wq), &((waitqueue).mtx), \ + timeout_us * hz / 1000 / 1000 ); \ + mtx_unlock(&((waitqueue).mtx)); \ + } while (0) +#define ENA_WAIT_EVENT_SIGNAL(waitqueue) cv_broadcast(&((waitqueue).wq)) + +#define dma_addr_t bus_addr_t +#define u8 uint8_t +#define u16 uint16_t +#define u32 uint32_t +#define u64 uint64_t + +typedef struct { + bus_addr_t paddr; + caddr_t vaddr; + bus_dma_tag_t tag; + bus_dmamap_t map; + bus_dma_segment_t seg; + int nseg; +} ena_mem_handle_t; + +struct ena_bus { + bus_space_handle_t reg_bar_h; + bus_space_tag_t reg_bar_t; + bus_space_handle_t mem_bar_h; + bus_space_tag_t mem_bar_t; +}; + +typedef uint32_t ena_atomic32_t; + +void ena_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nseg, + int error); +int ena_dma_alloc(device_t dmadev, bus_size_t size, ena_mem_handle_t *dma, + int mapflags); + +#define ENA_MEM_ALLOC(dmadev, size) malloc(size, M_DEVBUF, M_NOWAIT | M_ZERO) +#define ENA_MEM_ALLOC_NODE(dmadev, size, virt, node, dev_node) (virt = NULL) +#define ENA_MEM_FREE(dmadev, ptr) free(ptr, M_DEVBUF) +#define ENA_MEM_ALLOC_COHERENT_NODE(dmadev, size, virt, phys, handle, node, \ + dev_node) \ + do { \ + ((virt) = NULL); \ + (void)(dev_node); \ + } while (0) + +#define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, dma) \ + do { \ + ena_dma_alloc((dmadev), (size), &(dma), 0); \ + (virt) = (void *)(dma).vaddr; \ + (phys) = (dma).paddr; \ + } while (0) + +#define ENA_MEM_FREE_COHERENT(dmadev, size, virt, phys, dma) \ + do { \ + (void)size; \ + bus_dmamap_unload((dma).tag, (dma).map); \ + bus_dmamem_free((dma).tag, (virt), (dma).map); \ + bus_dma_tag_destroy((dma).tag); \ + (dma).tag = NULL; \ + (virt) = NULL; \ + } while (0) + +/* Register R/W methods */ +#define ENA_REG_WRITE32(bus, value, offset) \ + bus_space_write_4( \ + ((struct ena_bus*)bus)->reg_bar_t, \ + ((struct ena_bus*)bus)->reg_bar_h, \ + (bus_size_t)(offset), (value)) + +#define ENA_REG_READ32(bus, offset) \ + bus_space_read_4( \ + ((struct ena_bus*)bus)->reg_bar_t, \ + ((struct ena_bus*)bus)->reg_bar_h, \ + (bus_size_t)(offset)) + +#define time_after(a,b) ((long)((unsigned long)(b) - (unsigned long)(a)) < 0) + +#define VLAN_HLEN sizeof(struct ether_vlan_header) +#define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP) + +#if defined(__i386__) || defined(__amd64__) +static __inline +void prefetch(void *x) +{ + __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); +} +#else +#define prefetch(x) +#endif + +/* DMA buffers access */ +#define dma_unmap_addr(p, name) ((p)->dma->name) +#define dma_unmap_addr_set(p, name, v) (((p)->dma->name) = (v)) +#define dma_unmap_len(p, name) ((p)->name) +#define dma_unmap_len_set(p, name, v) (((p)->name) = (v)) + +#define memcpy_toio memcpy + +#define ATOMIC32_INC(I32_PTR) atomic_add_int(I32_PTR, 1) +#define ATOMIC32_DEC(I32_PTR) atomic_add_int(I32_PTR, -1) +#define ATOMIC32_READ(I32_PTR) atomic_load_acq_int(I32_PTR) +#define ATOMIC32_SET(I32_PTR, VAL) atomic_store_rel_int(I32_PTR, VAL) + +#define barrier() __asm__ __volatile__("": : :"memory") +#define ACCESS_ONCE(x) (*(volatile __typeof(x) *)&(x)) +#define READ_ONCE(x) ({ \ + __typeof(x) __var; \ + barrier(); \ + __var = ACCESS_ONCE(x); \ + barrier(); \ + __var; \ + }) + +#include "ena_common_defs.h" +#include "ena_admin_defs.h" +#include "ena_eth_io_defs.h" +#include "ena_regs_defs.h" + +#endif /* ENA_PLAT_H_ */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_plat.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/1.1.4.1/ena_regs_defs.h =================================================================== --- vendor-sys/ena-com/1.1.4.1/ena_regs_defs.h (nonexistent) +++ vendor-sys/ena-com/1.1.4.1/ena_regs_defs.h (revision 317516) @@ -0,0 +1,137 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_REGS_H_ +#define _ENA_REGS_H_ + +/* ena_registers offsets */ +#define ENA_REGS_VERSION_OFF 0x0 +#define ENA_REGS_CONTROLLER_VERSION_OFF 0x4 +#define ENA_REGS_CAPS_OFF 0x8 +#define ENA_REGS_CAPS_EXT_OFF 0xc +#define ENA_REGS_AQ_BASE_LO_OFF 0x10 +#define ENA_REGS_AQ_BASE_HI_OFF 0x14 +#define ENA_REGS_AQ_CAPS_OFF 0x18 +#define ENA_REGS_ACQ_BASE_LO_OFF 0x20 +#define ENA_REGS_ACQ_BASE_HI_OFF 0x24 +#define ENA_REGS_ACQ_CAPS_OFF 0x28 +#define ENA_REGS_AQ_DB_OFF 0x2c +#define ENA_REGS_ACQ_TAIL_OFF 0x30 +#define ENA_REGS_AENQ_CAPS_OFF 0x34 +#define ENA_REGS_AENQ_BASE_LO_OFF 0x38 +#define ENA_REGS_AENQ_BASE_HI_OFF 0x3c +#define ENA_REGS_AENQ_HEAD_DB_OFF 0x40 +#define ENA_REGS_AENQ_TAIL_OFF 0x44 +#define ENA_REGS_INTR_MASK_OFF 0x4c +#define ENA_REGS_DEV_CTL_OFF 0x54 +#define ENA_REGS_DEV_STS_OFF 0x58 +#define ENA_REGS_MMIO_REG_READ_OFF 0x5c +#define ENA_REGS_MMIO_RESP_LO_OFF 0x60 +#define ENA_REGS_MMIO_RESP_HI_OFF 0x64 +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF 0x68 + +/* version register */ +#define ENA_REGS_VERSION_MINOR_VERSION_MASK 0xff +#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT 8 +#define ENA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00 + +/* controller_version register */ +#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff +#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8 +#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00 +#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16 +#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000 +#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24 +#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000 + +/* caps register */ +#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1 +#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1 +#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e +#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8 +#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00 +#define ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT 16 +#define ENA_REGS_CAPS_ADMIN_CMD_TO_MASK 0xf0000 + +/* aq_caps register */ +#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff +#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16 +#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000 + +/* acq_caps register */ +#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff +#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16 +#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xffff0000 + +/* aenq_caps register */ +#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff +#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16 +#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xffff0000 + +/* dev_ctl register */ +#define ENA_REGS_DEV_CTL_DEV_RESET_MASK 0x1 +#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1 +#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2 +#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT 2 +#define ENA_REGS_DEV_CTL_QUIESCENT_MASK 0x4 +#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT 3 +#define ENA_REGS_DEV_CTL_IO_RESUME_MASK 0x8 + +/* dev_sts register */ +#define ENA_REGS_DEV_STS_READY_MASK 0x1 +#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1 +#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2 +#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2 +#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4 +#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3 +#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8 +#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4 +#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10 +#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5 +#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT 6 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK 0x40 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT 7 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK 0x80 + +/* mmio_reg_read register */ +#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff +#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16 +#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000 + +/* rss_ind_entry_update register */ +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK 0xffff +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT 16 +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK 0xffff0000 + +#endif /*_ENA_REGS_H_ */ Property changes on: vendor-sys/ena-com/1.1.4.1/ena_regs_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_admin_defs.h =================================================================== --- vendor-sys/ena-com/dist/ena_admin_defs.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_admin_defs.h (revision 317516) @@ -0,0 +1,1412 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_ADMIN_H_ +#define _ENA_ADMIN_H_ + +enum ena_admin_aq_opcode { + ENA_ADMIN_CREATE_SQ = 1, + + ENA_ADMIN_DESTROY_SQ = 2, + + ENA_ADMIN_CREATE_CQ = 3, + + ENA_ADMIN_DESTROY_CQ = 4, + + ENA_ADMIN_GET_FEATURE = 8, + + ENA_ADMIN_SET_FEATURE = 9, + + ENA_ADMIN_GET_STATS = 11, +}; + +enum ena_admin_aq_completion_status { + ENA_ADMIN_SUCCESS = 0, + + ENA_ADMIN_RESOURCE_ALLOCATION_FAILURE = 1, + + ENA_ADMIN_BAD_OPCODE = 2, + + ENA_ADMIN_UNSUPPORTED_OPCODE = 3, + + ENA_ADMIN_MALFORMED_REQUEST = 4, + + /* Additional status is provided in ACQ entry extended_status */ + ENA_ADMIN_ILLEGAL_PARAMETER = 5, + + ENA_ADMIN_UNKNOWN_ERROR = 6, +}; + +enum ena_admin_aq_feature_id { + ENA_ADMIN_DEVICE_ATTRIBUTES = 1, + + ENA_ADMIN_MAX_QUEUES_NUM = 2, + + ENA_ADMIN_HW_HINTS = 3, + + ENA_ADMIN_RSS_HASH_FUNCTION = 10, + + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG = 11, + + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG = 12, + + ENA_ADMIN_MTU = 14, + + ENA_ADMIN_RSS_HASH_INPUT = 18, + + ENA_ADMIN_INTERRUPT_MODERATION = 20, + + ENA_ADMIN_AENQ_CONFIG = 26, + + ENA_ADMIN_LINK_CONFIG = 27, + + ENA_ADMIN_HOST_ATTR_CONFIG = 28, + + ENA_ADMIN_FEATURES_OPCODE_NUM = 32, +}; + +enum ena_admin_placement_policy_type { + /* descriptors and headers are in host memory */ + ENA_ADMIN_PLACEMENT_POLICY_HOST = 1, + + /* descriptors and headers are in device memory (a.k.a Low Latency + * Queue) + */ + ENA_ADMIN_PLACEMENT_POLICY_DEV = 3, +}; + +enum ena_admin_link_types { + ENA_ADMIN_LINK_SPEED_1G = 0x1, + + ENA_ADMIN_LINK_SPEED_2_HALF_G = 0x2, + + ENA_ADMIN_LINK_SPEED_5G = 0x4, + + ENA_ADMIN_LINK_SPEED_10G = 0x8, + + ENA_ADMIN_LINK_SPEED_25G = 0x10, + + ENA_ADMIN_LINK_SPEED_40G = 0x20, + + ENA_ADMIN_LINK_SPEED_50G = 0x40, + + ENA_ADMIN_LINK_SPEED_100G = 0x80, + + ENA_ADMIN_LINK_SPEED_200G = 0x100, + + ENA_ADMIN_LINK_SPEED_400G = 0x200, +}; + +enum ena_admin_completion_policy_type { + /* completion queue entry for each sq descriptor */ + ENA_ADMIN_COMPLETION_POLICY_DESC = 0, + + /* completion queue entry upon request in sq descriptor */ + ENA_ADMIN_COMPLETION_POLICY_DESC_ON_DEMAND = 1, + + /* current queue head pointer is updated in OS memory upon sq + * descriptor request + */ + ENA_ADMIN_COMPLETION_POLICY_HEAD_ON_DEMAND = 2, + + /* current queue head pointer is updated in OS memory for each sq + * descriptor + */ + ENA_ADMIN_COMPLETION_POLICY_HEAD = 3, +}; + +/* basic stats return ena_admin_basic_stats while extanded stats return a + * buffer (string format) with additional statistics per queue and per + * device id + */ +enum ena_admin_get_stats_type { + ENA_ADMIN_GET_STATS_TYPE_BASIC = 0, + + ENA_ADMIN_GET_STATS_TYPE_EXTENDED = 1, +}; + +enum ena_admin_get_stats_scope { + ENA_ADMIN_SPECIFIC_QUEUE = 0, + + ENA_ADMIN_ETH_TRAFFIC = 1, +}; + +struct ena_admin_aq_common_desc { + /* 11:0 : command_id + * 15:12 : reserved12 + */ + uint16_t command_id; + + /* as appears in ena_admin_aq_opcode */ + uint8_t opcode; + + /* 0 : phase + * 1 : ctrl_data - control buffer address valid + * 2 : ctrl_data_indirect - control buffer address + * points to list of pages with addresses of control + * buffers + * 7:3 : reserved3 + */ + uint8_t flags; +}; + +/* used in ena_admin_aq_entry. Can point directly to control data, or to a + * page list chunk. Used also at the end of indirect mode page list chunks, + * for chaining. + */ +struct ena_admin_ctrl_buff_info { + uint32_t length; + + struct ena_common_mem_addr address; +}; + +struct ena_admin_sq { + uint16_t sq_idx; + + /* 4:0 : reserved + * 7:5 : sq_direction - 0x1 - Tx; 0x2 - Rx + */ + uint8_t sq_identity; + + uint8_t reserved1; +}; + +struct ena_admin_aq_entry { + struct ena_admin_aq_common_desc aq_common_descriptor; + + union { + uint32_t inline_data_w1[3]; + + struct ena_admin_ctrl_buff_info control_buffer; + } u; + + uint32_t inline_data_w4[12]; +}; + +struct ena_admin_acq_common_desc { + /* command identifier to associate it with the aq descriptor + * 11:0 : command_id + * 15:12 : reserved12 + */ + uint16_t command; + + uint8_t status; + + /* 0 : phase + * 7:1 : reserved1 + */ + uint8_t flags; + + uint16_t extended_status; + + /* serves as a hint what AQ entries can be revoked */ + uint16_t sq_head_indx; +}; + +struct ena_admin_acq_entry { + struct ena_admin_acq_common_desc acq_common_descriptor; + + uint32_t response_specific_data[14]; +}; + +struct ena_admin_aq_create_sq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + /* 4:0 : reserved0_w1 + * 7:5 : sq_direction - 0x1 - Tx, 0x2 - Rx + */ + uint8_t sq_identity; + + uint8_t reserved8_w1; + + /* 3:0 : placement_policy - Describing where the SQ + * descriptor ring and the SQ packet headers reside: + * 0x1 - descriptors and headers are in OS memory, + * 0x3 - descriptors and headers in device memory + * (a.k.a Low Latency Queue) + * 6:4 : completion_policy - Describing what policy + * to use for generation completion entry (cqe) in + * the CQ associated with this SQ: 0x0 - cqe for each + * sq descriptor, 0x1 - cqe upon request in sq + * descriptor, 0x2 - current queue head pointer is + * updated in OS memory upon sq descriptor request + * 0x3 - current queue head pointer is updated in OS + * memory for each sq descriptor + * 7 : reserved15_w1 + */ + uint8_t sq_caps_2; + + /* 0 : is_physically_contiguous - Described if the + * queue ring memory is allocated in physical + * contiguous pages or split. + * 7:1 : reserved17_w1 + */ + uint8_t sq_caps_3; + + /* associated completion queue id. This CQ must be created prior to + * SQ creation + */ + uint16_t cq_idx; + + /* submission queue depth in entries */ + uint16_t sq_depth; + + /* SQ physical base address in OS memory. This field should not be + * used for Low Latency queues. Has to be page aligned. + */ + struct ena_common_mem_addr sq_ba; + + /* specifies queue head writeback location in OS memory. Valid if + * completion_policy is set to completion_policy_head_on_demand or + * completion_policy_head. Has to be cache aligned + */ + struct ena_common_mem_addr sq_head_writeback; + + uint32_t reserved0_w7; + + uint32_t reserved0_w8; +}; + +enum ena_admin_sq_direction { + ENA_ADMIN_SQ_DIRECTION_TX = 1, + + ENA_ADMIN_SQ_DIRECTION_RX = 2, +}; + +struct ena_admin_acq_create_sq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; + + uint16_t sq_idx; + + uint16_t reserved; + + /* queue doorbell address as an offset to PCIe MMIO REG BAR */ + uint32_t sq_doorbell_offset; + + /* low latency queue ring base address as an offset to PCIe MMIO + * LLQ_MEM BAR + */ + uint32_t llq_descriptors_offset; + + /* low latency queue headers' memory as an offset to PCIe MMIO + * LLQ_MEM BAR + */ + uint32_t llq_headers_offset; +}; + +struct ena_admin_aq_destroy_sq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + struct ena_admin_sq sq; +}; + +struct ena_admin_acq_destroy_sq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; +}; + +struct ena_admin_aq_create_cq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + /* 4:0 : reserved5 + * 5 : interrupt_mode_enabled - if set, cq operates + * in interrupt mode, otherwise - polling + * 7:6 : reserved6 + */ + uint8_t cq_caps_1; + + /* 4:0 : cq_entry_size_words - size of CQ entry in + * 32-bit words, valid values: 4, 8. + * 7:5 : reserved7 + */ + uint8_t cq_caps_2; + + /* completion queue depth in # of entries. must be power of 2 */ + uint16_t cq_depth; + + /* msix vector assigned to this cq */ + uint32_t msix_vector; + + /* cq physical base address in OS memory. CQ must be physically + * contiguous + */ + struct ena_common_mem_addr cq_ba; +}; + +struct ena_admin_acq_create_cq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; + + uint16_t cq_idx; + + /* actual cq depth in number of entries */ + uint16_t cq_actual_depth; + + uint32_t numa_node_register_offset; + + uint32_t cq_head_db_register_offset; + + uint32_t cq_interrupt_unmask_register_offset; +}; + +struct ena_admin_aq_destroy_cq_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + uint16_t cq_idx; + + uint16_t reserved1; +}; + +struct ena_admin_acq_destroy_cq_resp_desc { + struct ena_admin_acq_common_desc acq_common_desc; +}; + +/* ENA AQ Get Statistics command. Extended statistics are placed in control + * buffer pointed by AQ entry + */ +struct ena_admin_aq_get_stats_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + union { + /* command specific inline data */ + uint32_t inline_data_w1[3]; + + struct ena_admin_ctrl_buff_info control_buffer; + } u; + + /* stats type as defined in enum ena_admin_get_stats_type */ + uint8_t type; + + /* stats scope defined in enum ena_admin_get_stats_scope */ + uint8_t scope; + + uint16_t reserved3; + + /* queue id. used when scope is specific_queue */ + uint16_t queue_idx; + + /* device id, value 0xFFFF means mine. only privileged device can get + * stats of other device + */ + uint16_t device_id; +}; + +/* Basic Statistics Command. */ +struct ena_admin_basic_stats { + uint32_t tx_bytes_low; + + uint32_t tx_bytes_high; + + uint32_t tx_pkts_low; + + uint32_t tx_pkts_high; + + uint32_t rx_bytes_low; + + uint32_t rx_bytes_high; + + uint32_t rx_pkts_low; + + uint32_t rx_pkts_high; + + uint32_t rx_drops_low; + + uint32_t rx_drops_high; +}; + +struct ena_admin_acq_get_stats_resp { + struct ena_admin_acq_common_desc acq_common_desc; + + struct ena_admin_basic_stats basic_stats; +}; + +struct ena_admin_get_set_feature_common_desc { + /* 1:0 : select - 0x1 - current value; 0x3 - default + * value + * 7:3 : reserved3 + */ + uint8_t flags; + + /* as appears in ena_admin_aq_feature_id */ + uint8_t feature_id; + + uint16_t reserved16; +}; + +struct ena_admin_device_attr_feature_desc { + uint32_t impl_id; + + uint32_t device_version; + + /* bitmap of ena_admin_aq_feature_id */ + uint32_t supported_features; + + uint32_t reserved3; + + /* Indicates how many bits are used physical address access. */ + uint32_t phys_addr_width; + + /* Indicates how many bits are used virtual address access. */ + uint32_t virt_addr_width; + + /* unicast MAC address (in Network byte order) */ + uint8_t mac_addr[6]; + + uint8_t reserved7[2]; + + uint32_t max_mtu; +}; + +struct ena_admin_queue_feature_desc { + /* including LLQs */ + uint32_t max_sq_num; + + uint32_t max_sq_depth; + + uint32_t max_cq_num; + + uint32_t max_cq_depth; + + uint32_t max_llq_num; + + uint32_t max_llq_depth; + + uint32_t max_header_size; + + /* Maximum Descriptors number, including meta descriptor, allowed for + * a single Tx packet + */ + uint16_t max_packet_tx_descs; + + /* Maximum Descriptors number allowed for a single Rx packet */ + uint16_t max_packet_rx_descs; +}; + +struct ena_admin_set_feature_mtu_desc { + /* exclude L2 */ + uint32_t mtu; +}; + +struct ena_admin_set_feature_host_attr_desc { + /* host OS info base address in OS memory. host info is 4KB of + * physically contiguous + */ + struct ena_common_mem_addr os_info_ba; + + /* host debug area base address in OS memory. debug area must be + * physically contiguous + */ + struct ena_common_mem_addr debug_ba; + + /* debug area size */ + uint32_t debug_area_size; +}; + +struct ena_admin_feature_intr_moder_desc { + /* interrupt delay granularity in usec */ + uint16_t intr_delay_resolution; + + uint16_t reserved; +}; + +struct ena_admin_get_feature_link_desc { + /* Link speed in Mb */ + uint32_t speed; + + /* bit field of enum ena_admin_link types */ + uint32_t supported; + + /* 0 : autoneg + * 1 : duplex - Full Duplex + * 31:2 : reserved2 + */ + uint32_t flags; +}; + +struct ena_admin_feature_aenq_desc { + /* bitmask for AENQ groups the device can report */ + uint32_t supported_groups; + + /* bitmask for AENQ groups to report */ + uint32_t enabled_groups; +}; + +struct ena_admin_feature_offload_desc { + /* 0 : TX_L3_csum_ipv4 + * 1 : TX_L4_ipv4_csum_part - The checksum field + * should be initialized with pseudo header checksum + * 2 : TX_L4_ipv4_csum_full + * 3 : TX_L4_ipv6_csum_part - The checksum field + * should be initialized with pseudo header checksum + * 4 : TX_L4_ipv6_csum_full + * 5 : tso_ipv4 + * 6 : tso_ipv6 + * 7 : tso_ecn + */ + uint32_t tx; + + /* Receive side supported stateless offload + * 0 : RX_L3_csum_ipv4 - IPv4 checksum + * 1 : RX_L4_ipv4_csum - TCP/UDP/IPv4 checksum + * 2 : RX_L4_ipv6_csum - TCP/UDP/IPv6 checksum + * 3 : RX_hash - Hash calculation + */ + uint32_t rx_supported; + + uint32_t rx_enabled; +}; + +enum ena_admin_hash_functions { + ENA_ADMIN_TOEPLITZ = 1, + + ENA_ADMIN_CRC32 = 2, +}; + +struct ena_admin_feature_rss_flow_hash_control { + uint32_t keys_num; + + uint32_t reserved; + + uint32_t key[10]; +}; + +struct ena_admin_feature_rss_flow_hash_function { + /* 7:0 : funcs - bitmask of ena_admin_hash_functions */ + uint32_t supported_func; + + /* 7:0 : selected_func - bitmask of + * ena_admin_hash_functions + */ + uint32_t selected_func; + + /* initial value */ + uint32_t init_val; +}; + +/* RSS flow hash protocols */ +enum ena_admin_flow_hash_proto { + ENA_ADMIN_RSS_TCP4 = 0, + + ENA_ADMIN_RSS_UDP4 = 1, + + ENA_ADMIN_RSS_TCP6 = 2, + + ENA_ADMIN_RSS_UDP6 = 3, + + ENA_ADMIN_RSS_IP4 = 4, + + ENA_ADMIN_RSS_IP6 = 5, + + ENA_ADMIN_RSS_IP4_FRAG = 6, + + ENA_ADMIN_RSS_NOT_IP = 7, + + /* TCPv6 with extension header */ + ENA_ADMIN_RSS_TCP6_EX = 8, + + /* IPv6 with extension header */ + ENA_ADMIN_RSS_IP6_EX = 9, + + ENA_ADMIN_RSS_PROTO_NUM = 16, +}; + +/* RSS flow hash fields */ +enum ena_admin_flow_hash_fields { + /* Ethernet Dest Addr */ + ENA_ADMIN_RSS_L2_DA = BIT(0), + + /* Ethernet Src Addr */ + ENA_ADMIN_RSS_L2_SA = BIT(1), + + /* ipv4/6 Dest Addr */ + ENA_ADMIN_RSS_L3_DA = BIT(2), + + /* ipv4/6 Src Addr */ + ENA_ADMIN_RSS_L3_SA = BIT(3), + + /* tcp/udp Dest Port */ + ENA_ADMIN_RSS_L4_DP = BIT(4), + + /* tcp/udp Src Port */ + ENA_ADMIN_RSS_L4_SP = BIT(5), +}; + +struct ena_admin_proto_input { + /* flow hash fields (bitwise according to ena_admin_flow_hash_fields) */ + uint16_t fields; + + uint16_t reserved2; +}; + +struct ena_admin_feature_rss_hash_control { + struct ena_admin_proto_input supported_fields[ENA_ADMIN_RSS_PROTO_NUM]; + + struct ena_admin_proto_input selected_fields[ENA_ADMIN_RSS_PROTO_NUM]; + + struct ena_admin_proto_input reserved2[ENA_ADMIN_RSS_PROTO_NUM]; + + struct ena_admin_proto_input reserved3[ENA_ADMIN_RSS_PROTO_NUM]; +}; + +struct ena_admin_feature_rss_flow_hash_input { + /* supported hash input sorting + * 1 : L3_sort - support swap L3 addresses if DA is + * smaller than SA + * 2 : L4_sort - support swap L4 ports if DP smaller + * SP + */ + uint16_t supported_input_sort; + + /* enabled hash input sorting + * 1 : enable_L3_sort - enable swap L3 addresses if + * DA smaller than SA + * 2 : enable_L4_sort - enable swap L4 ports if DP + * smaller than SP + */ + uint16_t enabled_input_sort; +}; + +enum ena_admin_os_type { + ENA_ADMIN_OS_LINUX = 1, + + ENA_ADMIN_OS_WIN = 2, + + ENA_ADMIN_OS_DPDK = 3, + + ENA_ADMIN_OS_FREEBSD = 4, + + ENA_ADMIN_OS_IPXE = 5, +}; + +struct ena_admin_host_info { + /* defined in enum ena_admin_os_type */ + uint32_t os_type; + + /* os distribution string format */ + uint8_t os_dist_str[128]; + + /* OS distribution numeric format */ + uint32_t os_dist; + + /* kernel version string format */ + uint8_t kernel_ver_str[32]; + + /* Kernel version numeric format */ + uint32_t kernel_ver; + + /* 7:0 : major + * 15:8 : minor + * 23:16 : sub_minor + */ + uint32_t driver_version; + + /* features bitmap */ + uint32_t supported_network_features[4]; +}; + +struct ena_admin_rss_ind_table_entry { + uint16_t cq_idx; + + uint16_t reserved; +}; + +struct ena_admin_feature_rss_ind_table { + /* min supported table size (2^min_size) */ + uint16_t min_size; + + /* max supported table size (2^max_size) */ + uint16_t max_size; + + /* table size (2^size) */ + uint16_t size; + + uint16_t reserved; + + /* index of the inline entry. 0xFFFFFFFF means invalid */ + uint32_t inline_index; + + /* used for updating single entry, ignored when setting the entire + * table through the control buffer. + */ + struct ena_admin_rss_ind_table_entry inline_entry; +}; + +/* When hint value is 0, driver should use it's own predefined value */ +struct ena_admin_ena_hw_hints { + /* value in ms */ + uint16_t mmio_read_timeout; + + /* value in ms */ + uint16_t driver_watchdog_timeout; + + /* Per packet tx completion timeout. value in ms */ + uint16_t missing_tx_completion_timeout; + + uint16_t missed_tx_completion_count_threshold_to_reset; + + /* value in ms */ + uint16_t admin_completion_tx_timeout; + + uint16_t netdev_wd_timeout; + + uint16_t max_tx_sgl_size; + + uint16_t max_rx_sgl_size; + + uint16_t reserved[8]; +}; + +struct ena_admin_get_feat_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + struct ena_admin_ctrl_buff_info control_buffer; + + struct ena_admin_get_set_feature_common_desc feat_common; + + uint32_t raw[11]; +}; + +struct ena_admin_get_feat_resp { + struct ena_admin_acq_common_desc acq_common_desc; + + union { + uint32_t raw[14]; + + struct ena_admin_device_attr_feature_desc dev_attr; + + struct ena_admin_queue_feature_desc max_queue; + + struct ena_admin_feature_aenq_desc aenq; + + struct ena_admin_get_feature_link_desc link; + + struct ena_admin_feature_offload_desc offload; + + struct ena_admin_feature_rss_flow_hash_function flow_hash_func; + + struct ena_admin_feature_rss_flow_hash_input flow_hash_input; + + struct ena_admin_feature_rss_ind_table ind_table; + + struct ena_admin_feature_intr_moder_desc intr_moderation; + + struct ena_admin_ena_hw_hints hw_hints; + } u; +}; + +struct ena_admin_set_feat_cmd { + struct ena_admin_aq_common_desc aq_common_descriptor; + + struct ena_admin_ctrl_buff_info control_buffer; + + struct ena_admin_get_set_feature_common_desc feat_common; + + union { + uint32_t raw[11]; + + /* mtu size */ + struct ena_admin_set_feature_mtu_desc mtu; + + /* host attributes */ + struct ena_admin_set_feature_host_attr_desc host_attr; + + /* AENQ configuration */ + struct ena_admin_feature_aenq_desc aenq; + + /* rss flow hash function */ + struct ena_admin_feature_rss_flow_hash_function flow_hash_func; + + /* rss flow hash input */ + struct ena_admin_feature_rss_flow_hash_input flow_hash_input; + + /* rss indirection table */ + struct ena_admin_feature_rss_ind_table ind_table; + } u; +}; + +struct ena_admin_set_feat_resp { + struct ena_admin_acq_common_desc acq_common_desc; + + union { + uint32_t raw[14]; + } u; +}; + +struct ena_admin_aenq_common_desc { + uint16_t group; + + uint16_t syndrom; + + /* 0 : phase */ + uint8_t flags; + + uint8_t reserved1[3]; + + uint32_t timestamp_low; + + uint32_t timestamp_high; +}; + +/* asynchronous event notification groups */ +enum ena_admin_aenq_group { + ENA_ADMIN_LINK_CHANGE = 0, + + ENA_ADMIN_FATAL_ERROR = 1, + + ENA_ADMIN_WARNING = 2, + + ENA_ADMIN_NOTIFICATION = 3, + + ENA_ADMIN_KEEP_ALIVE = 4, + + ENA_ADMIN_AENQ_GROUPS_NUM = 5, +}; + +enum ena_admin_aenq_notification_syndrom { + ENA_ADMIN_SUSPEND = 0, + + ENA_ADMIN_RESUME = 1, + + ENA_ADMIN_UPDATE_HINTS = 2, +}; + +struct ena_admin_aenq_entry { + struct ena_admin_aenq_common_desc aenq_common_desc; + + /* command specific inline data */ + uint32_t inline_data_w4[12]; +}; + +struct ena_admin_aenq_link_change_desc { + struct ena_admin_aenq_common_desc aenq_common_desc; + + /* 0 : link_status */ + uint32_t flags; +}; + +struct ena_admin_aenq_keep_alive_desc { + struct ena_admin_aenq_common_desc aenq_common_desc; + + uint32_t rx_drops_low; + + uint32_t rx_drops_high; +}; + +struct ena_admin_ena_mmio_req_read_less_resp { + uint16_t req_id; + + uint16_t reg_off; + + /* value is valid when poll is cleared */ + uint32_t reg_val; +}; + +/* aq_common_desc */ +#define ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0) +#define ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0) +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT 1 +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1) +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT 2 +#define ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2) + +/* sq */ +#define ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT 5 +#define ENA_ADMIN_SQ_SQ_DIRECTION_MASK GENMASK(7, 5) + +/* acq_common_desc */ +#define ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0) +#define ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0) + +/* aq_create_sq_cmd */ +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT 5 +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK GENMASK(7, 5) +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK GENMASK(3, 0) +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT 4 +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK GENMASK(6, 4) +#define ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK BIT(0) + +/* aq_create_cq_cmd */ +#define ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT 5 +#define ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5) +#define ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK GENMASK(4, 0) + +/* get_set_feature_common_desc */ +#define ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK GENMASK(1, 0) + +/* get_feature_link_desc */ +#define ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK BIT(0) +#define ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT 1 +#define ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK BIT(1) + +/* feature_offload_desc */ +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK BIT(0) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT 1 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK BIT(1) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT 2 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK BIT(2) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT 3 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK BIT(3) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT 4 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK BIT(4) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT 5 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK BIT(5) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT 6 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK BIT(6) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT 7 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK BIT(7) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK BIT(0) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT 1 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK BIT(1) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT 2 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK BIT(2) +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT 3 +#define ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK BIT(3) + +/* feature_rss_flow_hash_function */ +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK GENMASK(7, 0) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK GENMASK(7, 0) + +/* feature_rss_flow_hash_input */ +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT 1 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK BIT(1) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT 2 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK BIT(2) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT 1 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK BIT(1) +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT 2 +#define ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK BIT(2) + +/* host_info */ +#define ENA_ADMIN_HOST_INFO_MAJOR_MASK GENMASK(7, 0) +#define ENA_ADMIN_HOST_INFO_MINOR_SHIFT 8 +#define ENA_ADMIN_HOST_INFO_MINOR_MASK GENMASK(15, 8) +#define ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT 16 +#define ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK GENMASK(23, 16) + +/* aenq_common_desc */ +#define ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0) + +/* aenq_link_change_desc */ +#define ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK BIT(0) + +#if !defined(ENA_DEFS_LINUX_MAINLINE) +static inline uint16_t get_ena_admin_aq_common_desc_command_id(const struct ena_admin_aq_common_desc *p) +{ + return p->command_id & ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline void set_ena_admin_aq_common_desc_command_id(struct ena_admin_aq_common_desc *p, uint16_t val) +{ + p->command_id |= val & ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline uint8_t get_ena_admin_aq_common_desc_phase(const struct ena_admin_aq_common_desc *p) +{ + return p->flags & ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK; +} + +static inline void set_ena_admin_aq_common_desc_phase(struct ena_admin_aq_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK; +} + +static inline uint8_t get_ena_admin_aq_common_desc_ctrl_data(const struct ena_admin_aq_common_desc *p) +{ + return (p->flags & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK) >> ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT; +} + +static inline void set_ena_admin_aq_common_desc_ctrl_data(struct ena_admin_aq_common_desc *p, uint8_t val) +{ + p->flags |= (val << ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT) & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK; +} + +static inline uint8_t get_ena_admin_aq_common_desc_ctrl_data_indirect(const struct ena_admin_aq_common_desc *p) +{ + return (p->flags & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK) >> ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT; +} + +static inline void set_ena_admin_aq_common_desc_ctrl_data_indirect(struct ena_admin_aq_common_desc *p, uint8_t val) +{ + p->flags |= (val << ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT) & ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; +} + +static inline uint8_t get_ena_admin_sq_sq_direction(const struct ena_admin_sq *p) +{ + return (p->sq_identity & ENA_ADMIN_SQ_SQ_DIRECTION_MASK) >> ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT; +} + +static inline void set_ena_admin_sq_sq_direction(struct ena_admin_sq *p, uint8_t val) +{ + p->sq_identity |= (val << ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT) & ENA_ADMIN_SQ_SQ_DIRECTION_MASK; +} + +static inline uint16_t get_ena_admin_acq_common_desc_command_id(const struct ena_admin_acq_common_desc *p) +{ + return p->command & ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline void set_ena_admin_acq_common_desc_command_id(struct ena_admin_acq_common_desc *p, uint16_t val) +{ + p->command |= val & ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; +} + +static inline uint8_t get_ena_admin_acq_common_desc_phase(const struct ena_admin_acq_common_desc *p) +{ + return p->flags & ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK; +} + +static inline void set_ena_admin_acq_common_desc_phase(struct ena_admin_acq_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_sq_direction(const struct ena_admin_aq_create_sq_cmd *p) +{ + return (p->sq_identity & ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK) >> ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT; +} + +static inline void set_ena_admin_aq_create_sq_cmd_sq_direction(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_identity |= (val << ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT) & ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_placement_policy(const struct ena_admin_aq_create_sq_cmd *p) +{ + return p->sq_caps_2 & ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK; +} + +static inline void set_ena_admin_aq_create_sq_cmd_placement_policy(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_caps_2 |= val & ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_completion_policy(const struct ena_admin_aq_create_sq_cmd *p) +{ + return (p->sq_caps_2 & ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK) >> ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT; +} + +static inline void set_ena_admin_aq_create_sq_cmd_completion_policy(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_caps_2 |= (val << ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT) & ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_sq_cmd_is_physically_contiguous(const struct ena_admin_aq_create_sq_cmd *p) +{ + return p->sq_caps_3 & ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK; +} + +static inline void set_ena_admin_aq_create_sq_cmd_is_physically_contiguous(struct ena_admin_aq_create_sq_cmd *p, uint8_t val) +{ + p->sq_caps_3 |= val & ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_cq_cmd_interrupt_mode_enabled(const struct ena_admin_aq_create_cq_cmd *p) +{ + return (p->cq_caps_1 & ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK) >> ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT; +} + +static inline void set_ena_admin_aq_create_cq_cmd_interrupt_mode_enabled(struct ena_admin_aq_create_cq_cmd *p, uint8_t val) +{ + p->cq_caps_1 |= (val << ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT) & ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK; +} + +static inline uint8_t get_ena_admin_aq_create_cq_cmd_cq_entry_size_words(const struct ena_admin_aq_create_cq_cmd *p) +{ + return p->cq_caps_2 & ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; +} + +static inline void set_ena_admin_aq_create_cq_cmd_cq_entry_size_words(struct ena_admin_aq_create_cq_cmd *p, uint8_t val) +{ + p->cq_caps_2 |= val & ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; +} + +static inline uint8_t get_ena_admin_get_set_feature_common_desc_select(const struct ena_admin_get_set_feature_common_desc *p) +{ + return p->flags & ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK; +} + +static inline void set_ena_admin_get_set_feature_common_desc_select(struct ena_admin_get_set_feature_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK; +} + +static inline uint32_t get_ena_admin_get_feature_link_desc_autoneg(const struct ena_admin_get_feature_link_desc *p) +{ + return p->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK; +} + +static inline void set_ena_admin_get_feature_link_desc_autoneg(struct ena_admin_get_feature_link_desc *p, uint32_t val) +{ + p->flags |= val & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK; +} + +static inline uint32_t get_ena_admin_get_feature_link_desc_duplex(const struct ena_admin_get_feature_link_desc *p) +{ + return (p->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK) >> ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT; +} + +static inline void set_ena_admin_get_feature_link_desc_duplex(struct ena_admin_get_feature_link_desc *p, uint32_t val) +{ + p->flags |= (val << ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_SHIFT) & ENA_ADMIN_GET_FEATURE_LINK_DESC_DUPLEX_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L3_csum_ipv4(const struct ena_admin_feature_offload_desc *p) +{ + return p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L3_csum_ipv4(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= val & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L3_CSUM_IPV4_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_part(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_part(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_full(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv4_csum_full(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_FULL_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_part(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_part(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_PART_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_full(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_TX_L4_ipv6_csum_full(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV6_CSUM_FULL_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_tso_ipv4(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_tso_ipv4(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV4_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_tso_ipv6(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_tso_ipv6(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_IPV6_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_tso_ecn(const struct ena_admin_feature_offload_desc *p) +{ + return (p->tx & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_tso_ecn(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->tx |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_TSO_ECN_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_L3_csum_ipv4(const struct ena_admin_feature_offload_desc *p) +{ + return p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK; +} + +static inline void set_ena_admin_feature_offload_desc_RX_L3_csum_ipv4(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= val & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L3_CSUM_IPV4_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_L4_ipv4_csum(const struct ena_admin_feature_offload_desc *p) +{ + return (p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_RX_L4_ipv4_csum(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV4_CSUM_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_L4_ipv6_csum(const struct ena_admin_feature_offload_desc *p) +{ + return (p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_RX_L4_ipv6_csum(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_L4_IPV6_CSUM_MASK; +} + +static inline uint32_t get_ena_admin_feature_offload_desc_RX_hash(const struct ena_admin_feature_offload_desc *p) +{ + return (p->rx_supported & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK) >> ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT; +} + +static inline void set_ena_admin_feature_offload_desc_RX_hash(struct ena_admin_feature_offload_desc *p, uint32_t val) +{ + p->rx_supported |= (val << ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_SHIFT) & ENA_ADMIN_FEATURE_OFFLOAD_DESC_RX_HASH_MASK; +} + +static inline uint32_t get_ena_admin_feature_rss_flow_hash_function_funcs(const struct ena_admin_feature_rss_flow_hash_function *p) +{ + return p->supported_func & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK; +} + +static inline void set_ena_admin_feature_rss_flow_hash_function_funcs(struct ena_admin_feature_rss_flow_hash_function *p, uint32_t val) +{ + p->supported_func |= val & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_FUNCS_MASK; +} + +static inline uint32_t get_ena_admin_feature_rss_flow_hash_function_selected_func(const struct ena_admin_feature_rss_flow_hash_function *p) +{ + return p->selected_func & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK; +} + +static inline void set_ena_admin_feature_rss_flow_hash_function_selected_func(struct ena_admin_feature_rss_flow_hash_function *p, uint32_t val) +{ + p->selected_func |= val & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_FUNCTION_SELECTED_FUNC_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_L3_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->supported_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_L3_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->supported_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_L4_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->supported_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_L4_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->supported_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_enable_L3_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->enabled_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_enable_L3_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->enabled_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L3_SORT_MASK; +} + +static inline uint16_t get_ena_admin_feature_rss_flow_hash_input_enable_L4_sort(const struct ena_admin_feature_rss_flow_hash_input *p) +{ + return (p->enabled_input_sort & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK) >> ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT; +} + +static inline void set_ena_admin_feature_rss_flow_hash_input_enable_L4_sort(struct ena_admin_feature_rss_flow_hash_input *p, uint16_t val) +{ + p->enabled_input_sort |= (val << ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_SHIFT) & ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_ENABLE_L4_SORT_MASK; +} + +static inline uint32_t get_ena_admin_host_info_major(const struct ena_admin_host_info *p) +{ + return p->driver_version & ENA_ADMIN_HOST_INFO_MAJOR_MASK; +} + +static inline void set_ena_admin_host_info_major(struct ena_admin_host_info *p, uint32_t val) +{ + p->driver_version |= val & ENA_ADMIN_HOST_INFO_MAJOR_MASK; +} + +static inline uint32_t get_ena_admin_host_info_minor(const struct ena_admin_host_info *p) +{ + return (p->driver_version & ENA_ADMIN_HOST_INFO_MINOR_MASK) >> ENA_ADMIN_HOST_INFO_MINOR_SHIFT; +} + +static inline void set_ena_admin_host_info_minor(struct ena_admin_host_info *p, uint32_t val) +{ + p->driver_version |= (val << ENA_ADMIN_HOST_INFO_MINOR_SHIFT) & ENA_ADMIN_HOST_INFO_MINOR_MASK; +} + +static inline uint32_t get_ena_admin_host_info_sub_minor(const struct ena_admin_host_info *p) +{ + return (p->driver_version & ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK) >> ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT; +} + +static inline void set_ena_admin_host_info_sub_minor(struct ena_admin_host_info *p, uint32_t val) +{ + p->driver_version |= (val << ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT) & ENA_ADMIN_HOST_INFO_SUB_MINOR_MASK; +} + +static inline uint8_t get_ena_admin_aenq_common_desc_phase(const struct ena_admin_aenq_common_desc *p) +{ + return p->flags & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK; +} + +static inline void set_ena_admin_aenq_common_desc_phase(struct ena_admin_aenq_common_desc *p, uint8_t val) +{ + p->flags |= val & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK; +} + +static inline uint32_t get_ena_admin_aenq_link_change_desc_link_status(const struct ena_admin_aenq_link_change_desc *p) +{ + return p->flags & ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK; +} + +static inline void set_ena_admin_aenq_link_change_desc_link_status(struct ena_admin_aenq_link_change_desc *p, uint32_t val) +{ + p->flags |= val & ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK; +} + +#endif /* !defined(ENA_DEFS_LINUX_MAINLINE) */ +#endif /*_ENA_ADMIN_H_ */ Property changes on: vendor-sys/ena-com/dist/ena_admin_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_com.c =================================================================== --- vendor-sys/ena-com/dist/ena_com.c (nonexistent) +++ vendor-sys/ena-com/dist/ena_com.c (revision 317516) @@ -0,0 +1,2761 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "ena_com.h" +#ifdef ENA_INTERNAL +#include "ena_gen_info.h" +#endif + +/*****************************************************************************/ +/*****************************************************************************/ + +/* Timeout in micro-sec */ +#define ADMIN_CMD_TIMEOUT_US (3000000) + +#define ENA_ASYNC_QUEUE_DEPTH 16 +#define ENA_ADMIN_QUEUE_DEPTH 32 + +#define MIN_ENA_VER (((ENA_COMMON_SPEC_VERSION_MAJOR) << \ + ENA_REGS_VERSION_MAJOR_VERSION_SHIFT) \ + | (ENA_COMMON_SPEC_VERSION_MINOR)) + +#define ENA_CTRL_MAJOR 0 +#define ENA_CTRL_MINOR 0 +#define ENA_CTRL_SUB_MINOR 1 + +#define MIN_ENA_CTRL_VER \ + (((ENA_CTRL_MAJOR) << \ + (ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT)) | \ + ((ENA_CTRL_MINOR) << \ + (ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT)) | \ + (ENA_CTRL_SUB_MINOR)) + +#define ENA_DMA_ADDR_TO_UINT32_LOW(x) ((u32)((u64)(x))) +#define ENA_DMA_ADDR_TO_UINT32_HIGH(x) ((u32)(((u64)(x)) >> 32)) + +#define ENA_MMIO_READ_TIMEOUT 0xFFFFFFFF + +/*****************************************************************************/ +/*****************************************************************************/ +/*****************************************************************************/ + +enum ena_cmd_status { + ENA_CMD_SUBMITTED, + ENA_CMD_COMPLETED, + /* Abort - canceled by the driver */ + ENA_CMD_ABORTED, +}; + +struct ena_comp_ctx { + ena_wait_event_t wait_event; + struct ena_admin_acq_entry *user_cqe; + u32 comp_size; + enum ena_cmd_status status; + /* status from the device */ + u8 comp_status; + u8 cmd_opcode; + bool occupied; +}; + +struct ena_com_stats_ctx { + struct ena_admin_aq_get_stats_cmd get_cmd; + struct ena_admin_acq_get_stats_resp get_resp; +}; + +static inline int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, + struct ena_common_mem_addr *ena_addr, + dma_addr_t addr) +{ + if ((addr & GENMASK_ULL(ena_dev->dma_addr_bits - 1, 0)) != addr) { + ena_trc_err("dma address has more bits that the device supports\n"); + return ENA_COM_INVAL; + } + + ena_addr->mem_addr_low = (u32)addr; + ena_addr->mem_addr_high = (u64)addr >> 32; + + return 0; +} + +static int ena_com_admin_init_sq(struct ena_com_admin_queue *queue) +{ + struct ena_com_admin_sq *sq = &queue->sq; + u16 size = ADMIN_SQ_SIZE(queue->q_depth); + + ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, size, sq->entries, sq->dma_addr, + sq->mem_handle); + + if (!sq->entries) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + sq->head = 0; + sq->tail = 0; + sq->phase = 1; + + sq->db_addr = NULL; + + return 0; +} + +static int ena_com_admin_init_cq(struct ena_com_admin_queue *queue) +{ + struct ena_com_admin_cq *cq = &queue->cq; + u16 size = ADMIN_CQ_SIZE(queue->q_depth); + + ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, size, cq->entries, cq->dma_addr, + cq->mem_handle); + + if (!cq->entries) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + cq->head = 0; + cq->phase = 1; + + return 0; +} + +static int ena_com_admin_init_aenq(struct ena_com_dev *dev, + struct ena_aenq_handlers *aenq_handlers) +{ + struct ena_com_aenq *aenq = &dev->aenq; + u32 addr_low, addr_high, aenq_caps; + u16 size; + + dev->aenq.q_depth = ENA_ASYNC_QUEUE_DEPTH; + size = ADMIN_AENQ_SIZE(ENA_ASYNC_QUEUE_DEPTH); + ENA_MEM_ALLOC_COHERENT(dev->dmadev, size, + aenq->entries, + aenq->dma_addr, + aenq->mem_handle); + + if (!aenq->entries) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + aenq->head = aenq->q_depth; + aenq->phase = 1; + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(aenq->dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(aenq->dma_addr); + + ENA_REG_WRITE32(dev->bus, addr_low, dev->reg_bar + ENA_REGS_AENQ_BASE_LO_OFF); + ENA_REG_WRITE32(dev->bus, addr_high, dev->reg_bar + ENA_REGS_AENQ_BASE_HI_OFF); + + aenq_caps = 0; + aenq_caps |= dev->aenq.q_depth & ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK; + aenq_caps |= (sizeof(struct ena_admin_aenq_entry) << + ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT) & + ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK; + ENA_REG_WRITE32(dev->bus, aenq_caps, dev->reg_bar + ENA_REGS_AENQ_CAPS_OFF); + + if (unlikely(!aenq_handlers)) { + ena_trc_err("aenq handlers pointer is NULL\n"); + return ENA_COM_INVAL; + } + + aenq->aenq_handlers = aenq_handlers; + + return 0; +} + +static inline void comp_ctxt_release(struct ena_com_admin_queue *queue, + struct ena_comp_ctx *comp_ctx) +{ + comp_ctx->occupied = false; + ATOMIC32_DEC(&queue->outstanding_cmds); +} + +static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue, + u16 command_id, bool capture) +{ + if (unlikely(command_id >= queue->q_depth)) { + ena_trc_err("command id is larger than the queue size. cmd_id: %u queue size %d\n", + command_id, queue->q_depth); + return NULL; + } + + if (unlikely(queue->comp_ctx[command_id].occupied && capture)) { + ena_trc_err("Completion context is occupied\n"); + return NULL; + } + + if (capture) { + ATOMIC32_INC(&queue->outstanding_cmds); + queue->comp_ctx[command_id].occupied = true; + } + + return &queue->comp_ctx[command_id]; +} + +static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size_in_bytes, + struct ena_admin_acq_entry *comp, + size_t comp_size_in_bytes) +{ + struct ena_comp_ctx *comp_ctx; + u16 tail_masked, cmd_id; + u16 queue_size_mask; + u16 cnt; + + queue_size_mask = admin_queue->q_depth - 1; + + tail_masked = admin_queue->sq.tail & queue_size_mask; + + /* In case of queue FULL */ + cnt = admin_queue->sq.tail - admin_queue->sq.head; + if (cnt >= admin_queue->q_depth) { + ena_trc_dbg("admin queue is FULL (tail %d head %d depth: %d)\n", + admin_queue->sq.tail, + admin_queue->sq.head, + admin_queue->q_depth); + admin_queue->stats.out_of_space++; + return ERR_PTR(ENA_COM_NO_SPACE); + } + + cmd_id = admin_queue->curr_cmd_id; + + cmd->aq_common_descriptor.flags |= admin_queue->sq.phase & + ENA_ADMIN_AQ_COMMON_DESC_PHASE_MASK; + + cmd->aq_common_descriptor.command_id |= cmd_id & + ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; + + comp_ctx = get_comp_ctxt(admin_queue, cmd_id, true); + if (unlikely(!comp_ctx)) + return ERR_PTR(ENA_COM_INVAL); + + comp_ctx->status = ENA_CMD_SUBMITTED; + comp_ctx->comp_size = (u32)comp_size_in_bytes; + comp_ctx->user_cqe = comp; + comp_ctx->cmd_opcode = cmd->aq_common_descriptor.opcode; + + ENA_WAIT_EVENT_CLEAR(comp_ctx->wait_event); + + memcpy(&admin_queue->sq.entries[tail_masked], cmd, cmd_size_in_bytes); + + admin_queue->curr_cmd_id = (admin_queue->curr_cmd_id + 1) & + queue_size_mask; + + admin_queue->sq.tail++; + admin_queue->stats.submitted_cmd++; + + if (unlikely((admin_queue->sq.tail & queue_size_mask) == 0)) + admin_queue->sq.phase = !admin_queue->sq.phase; + + ENA_REG_WRITE32(admin_queue->bus, admin_queue->sq.tail, + admin_queue->sq.db_addr); + + return comp_ctx; +} + +static inline int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue) +{ + size_t size = queue->q_depth * sizeof(struct ena_comp_ctx); + struct ena_comp_ctx *comp_ctx; + u16 i; + + queue->comp_ctx = ENA_MEM_ALLOC(queue->q_dmadev, size); + if (unlikely(!queue->comp_ctx)) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + for (i = 0; i < queue->q_depth; i++) { + comp_ctx = get_comp_ctxt(queue, i, false); + if (comp_ctx) + ENA_WAIT_EVENT_INIT(comp_ctx->wait_event); + } + + return 0; +} + +static struct ena_comp_ctx *ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size_in_bytes, + struct ena_admin_acq_entry *comp, + size_t comp_size_in_bytes) +{ + unsigned long flags; + struct ena_comp_ctx *comp_ctx; + + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + if (unlikely(!admin_queue->running_state)) { + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + return ERR_PTR(ENA_COM_NO_DEVICE); + } + comp_ctx = __ena_com_submit_admin_cmd(admin_queue, cmd, + cmd_size_in_bytes, + comp, + comp_size_in_bytes); + if (unlikely(IS_ERR(comp_ctx))) + admin_queue->running_state = false; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + return comp_ctx; +} + +static int ena_com_init_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx, + struct ena_com_io_sq *io_sq) +{ + size_t size; + int dev_node = 0; + + memset(&io_sq->desc_addr, 0x0, sizeof(io_sq->desc_addr)); + + io_sq->desc_entry_size = + (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) ? + sizeof(struct ena_eth_io_tx_desc) : + sizeof(struct ena_eth_io_rx_desc); + + size = io_sq->desc_entry_size * io_sq->q_depth; + io_sq->bus = ena_dev->bus; + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) { + ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle, + ctx->numa_node, + dev_node); + if (!io_sq->desc_addr.virt_addr) { + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle); + } + } else { + ENA_MEM_ALLOC_NODE(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + ctx->numa_node, + dev_node); + if (!io_sq->desc_addr.virt_addr) { + io_sq->desc_addr.virt_addr = + ENA_MEM_ALLOC(ena_dev->dmadev, size); + } + } + + if (!io_sq->desc_addr.virt_addr) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + io_sq->tail = 0; + io_sq->next_to_comp = 0; + io_sq->phase = 1; + + return 0; +} + +static int ena_com_init_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx, + struct ena_com_io_cq *io_cq) +{ + size_t size; + int prev_node = 0; + + memset(&io_cq->cdesc_addr, 0x0, sizeof(io_cq->cdesc_addr)); + + /* Use the basic completion descriptor for Rx */ + io_cq->cdesc_entry_size_in_bytes = + (io_cq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) ? + sizeof(struct ena_eth_io_tx_cdesc) : + sizeof(struct ena_eth_io_rx_cdesc_base); + + size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth; + io_cq->bus = ena_dev->bus; + + ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle, + ctx->numa_node, + prev_node); + if (!io_cq->cdesc_addr.virt_addr) { + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle); + } + + if (!io_cq->cdesc_addr.virt_addr) { + ena_trc_err("memory allocation failed"); + return ENA_COM_NO_MEM; + } + + io_cq->phase = 1; + io_cq->head = 0; + + return 0; +} + +static void ena_com_handle_single_admin_completion(struct ena_com_admin_queue *admin_queue, + struct ena_admin_acq_entry *cqe) +{ + struct ena_comp_ctx *comp_ctx; + u16 cmd_id; + + cmd_id = cqe->acq_common_descriptor.command & + ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; + + comp_ctx = get_comp_ctxt(admin_queue, cmd_id, false); + if (unlikely(!comp_ctx)) { + ena_trc_err("comp_ctx is NULL. Changing the admin queue running state\n"); + admin_queue->running_state = false; + return; + } + + comp_ctx->status = ENA_CMD_COMPLETED; + comp_ctx->comp_status = cqe->acq_common_descriptor.status; + + if (comp_ctx->user_cqe) + memcpy(comp_ctx->user_cqe, (void *)cqe, comp_ctx->comp_size); + + if (!admin_queue->polling) + ENA_WAIT_EVENT_SIGNAL(comp_ctx->wait_event); +} + +static void ena_com_handle_admin_completion(struct ena_com_admin_queue *admin_queue) +{ + struct ena_admin_acq_entry *cqe = NULL; + u16 comp_num = 0; + u16 head_masked; + u8 phase; + + head_masked = admin_queue->cq.head & (admin_queue->q_depth - 1); + phase = admin_queue->cq.phase; + + cqe = &admin_queue->cq.entries[head_masked]; + + /* Go over all the completions */ + while ((cqe->acq_common_descriptor.flags & + ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK) == phase) { + /* Do not read the rest of the completion entry before the + * phase bit was validated + */ + rmb(); + ena_com_handle_single_admin_completion(admin_queue, cqe); + + head_masked++; + comp_num++; + if (unlikely(head_masked == admin_queue->q_depth)) { + head_masked = 0; + phase = !phase; + } + + cqe = &admin_queue->cq.entries[head_masked]; + } + + admin_queue->cq.head += comp_num; + admin_queue->cq.phase = phase; + admin_queue->sq.head += comp_num; + admin_queue->stats.completed_cmd += comp_num; +} + +static int ena_com_comp_status_to_errno(u8 comp_status) +{ + if (unlikely(comp_status != 0)) + ena_trc_err("admin command failed[%u]\n", comp_status); + + if (unlikely(comp_status > ENA_ADMIN_UNKNOWN_ERROR)) + return ENA_COM_INVAL; + + switch (comp_status) { + case ENA_ADMIN_SUCCESS: + return 0; + case ENA_ADMIN_RESOURCE_ALLOCATION_FAILURE: + return ENA_COM_NO_MEM; + case ENA_ADMIN_UNSUPPORTED_OPCODE: + return ENA_COM_PERMISSION; + case ENA_ADMIN_BAD_OPCODE: + case ENA_ADMIN_MALFORMED_REQUEST: + case ENA_ADMIN_ILLEGAL_PARAMETER: + case ENA_ADMIN_UNKNOWN_ERROR: + return ENA_COM_INVAL; + } + + return 0; +} + +static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) +{ + unsigned long flags, timeout; + int ret; + + timeout = ENA_GET_SYSTEM_TIMEOUT(admin_queue->completion_timeout); + + while (1) { + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_com_handle_admin_completion(admin_queue); + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + if (comp_ctx->status != ENA_CMD_SUBMITTED) + break; + + if (ENA_TIME_EXPIRE(timeout)) { + ena_trc_err("Wait for completion (polling) timeout\n"); + /* ENA didn't have any completion */ + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + admin_queue->stats.no_completion++; + admin_queue->running_state = false; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + ret = ENA_COM_TIMER_EXPIRED; + goto err; + } + + ENA_MSLEEP(100); + } + + if (unlikely(comp_ctx->status == ENA_CMD_ABORTED)) { + ena_trc_err("Command was aborted\n"); + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + admin_queue->stats.aborted_cmd++; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + ret = ENA_COM_NO_DEVICE; + goto err; + } + + ENA_WARN(comp_ctx->status != ENA_CMD_COMPLETED, + "Invalid comp status %d\n", comp_ctx->status); + + ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); +err: + comp_ctxt_release(admin_queue, comp_ctx); + return ret; +} + +static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) +{ + unsigned long flags; + int ret; + + ENA_WAIT_EVENT_WAIT(comp_ctx->wait_event, + admin_queue->completion_timeout); + + /* In case the command wasn't completed find out the root cause. + * There might be 2 kinds of errors + * 1) No completion (timeout reached) + * 2) There is completion but the device didn't get any msi-x interrupt. + */ + if (unlikely(comp_ctx->status == ENA_CMD_SUBMITTED)) { + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_com_handle_admin_completion(admin_queue); + admin_queue->stats.no_completion++; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + if (comp_ctx->status == ENA_CMD_COMPLETED) + ena_trc_err("The ena device have completion but the driver didn't receive any MSI-X interrupt (cmd %d)\n", + comp_ctx->cmd_opcode); + else + ena_trc_err("The ena device doesn't send any completion for the admin cmd %d status %d\n", + comp_ctx->cmd_opcode, comp_ctx->status); + + admin_queue->running_state = false; + ret = ENA_COM_TIMER_EXPIRED; + goto err; + } + + ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); +err: + comp_ctxt_release(admin_queue, comp_ctx); + return ret; +} + +/* This method read the hardware device register through posting writes + * and waiting for response + * On timeout the function will return ENA_MMIO_READ_TIMEOUT + */ +static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + volatile struct ena_admin_ena_mmio_req_read_less_resp *read_resp = + mmio_read->read_resp; + u32 mmio_read_reg, timeout, ret; + unsigned long flags; + int i; + + ENA_MIGHT_SLEEP(); + + timeout = mmio_read->reg_read_to ? : ENA_REG_READ_TIMEOUT; + + /* If readless is disabled, perform regular read */ + if (!mmio_read->readless_supported) + return ENA_REG_READ32(ena_dev->bus, ena_dev->reg_bar + offset); + + ENA_SPINLOCK_LOCK(mmio_read->lock, flags); + mmio_read->seq_num++; + + read_resp->req_id = mmio_read->seq_num + 0xDEAD; + mmio_read_reg = (offset << ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT) & + ENA_REGS_MMIO_REG_READ_REG_OFF_MASK; + mmio_read_reg |= mmio_read->seq_num & + ENA_REGS_MMIO_REG_READ_REQ_ID_MASK; + + /* make sure read_resp->req_id get updated before the hw can write + * there + */ + wmb(); + + ENA_REG_WRITE32(ena_dev->bus, mmio_read_reg, ena_dev->reg_bar + ENA_REGS_MMIO_REG_READ_OFF); + + for (i = 0; i < timeout; i++) { + if (read_resp->req_id == mmio_read->seq_num) + break; + + ENA_UDELAY(1); + } + + if (unlikely(i == timeout)) { + ena_trc_err("reading reg failed for timeout. expected: req id[%hu] offset[%hu] actual: req id[%hu] offset[%hu]\n", + mmio_read->seq_num, + offset, + read_resp->req_id, + read_resp->reg_off); + ret = ENA_MMIO_READ_TIMEOUT; + goto err; + } + + if (read_resp->reg_off != offset) { + ena_trc_err("Read failure: wrong offset provided"); + ret = ENA_MMIO_READ_TIMEOUT; + } else { + ret = read_resp->reg_val; + } +err: + ENA_SPINLOCK_UNLOCK(mmio_read->lock, flags); + + return ret; +} + +/* There are two types to wait for completion. + * Polling mode - wait until the completion is available. + * Async mode - wait on wait queue until the completion is ready + * (or the timeout expired). + * It is expected that the IRQ called ena_com_handle_admin_completion + * to mark the completions. + */ +static int ena_com_wait_and_process_admin_cq(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) +{ + if (admin_queue->polling) + return ena_com_wait_and_process_admin_cq_polling(comp_ctx, + admin_queue); + + return ena_com_wait_and_process_admin_cq_interrupts(comp_ctx, + admin_queue); +} + +static int ena_com_destroy_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_io_sq *io_sq) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_destroy_sq_cmd destroy_cmd; + struct ena_admin_acq_destroy_sq_resp_desc destroy_resp; + u8 direction; + int ret; + + memset(&destroy_cmd, 0x0, sizeof(destroy_cmd)); + + if (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + direction = ENA_ADMIN_SQ_DIRECTION_TX; + else + direction = ENA_ADMIN_SQ_DIRECTION_RX; + + destroy_cmd.sq.sq_identity |= (direction << + ENA_ADMIN_SQ_SQ_DIRECTION_SHIFT) & + ENA_ADMIN_SQ_SQ_DIRECTION_MASK; + + destroy_cmd.sq.sq_idx = io_sq->idx; + destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_SQ; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&destroy_cmd, + sizeof(destroy_cmd), + (struct ena_admin_acq_entry *)&destroy_resp, + sizeof(destroy_resp)); + + if (unlikely(ret && (ret != ENA_COM_NO_DEVICE))) + ena_trc_err("failed to destroy io sq error: %d\n", ret); + + return ret; +} + +static void ena_com_io_queue_free(struct ena_com_dev *ena_dev, + struct ena_com_io_sq *io_sq, + struct ena_com_io_cq *io_cq) +{ + size_t size; + + if (io_cq->cdesc_addr.virt_addr) { + size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth; + + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle); + + io_cq->cdesc_addr.virt_addr = NULL; + } + + if (io_sq->desc_addr.virt_addr) { + size = io_sq->desc_entry_size * io_sq->q_depth; + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle); + else + ENA_MEM_FREE(ena_dev->dmadev, io_sq->desc_addr.virt_addr); + + io_sq->desc_addr.virt_addr = NULL; + } +} + +static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout, + u16 exp_state) +{ + u32 val, i; + + for (i = 0; i < timeout; i++) { + val = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); + + if (unlikely(val == ENA_MMIO_READ_TIMEOUT)) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + if ((val & ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK) == + exp_state) + return 0; + + /* The resolution of the timeout is 100ms */ + ENA_MSLEEP(100); + } + + return ENA_COM_TIMER_EXPIRED; +} + +static bool ena_com_check_supported_feature_id(struct ena_com_dev *ena_dev, + enum ena_admin_aq_feature_id feature_id) +{ + u32 feature_mask = 1 << feature_id; + + /* Device attributes is always supported */ + if ((feature_id != ENA_ADMIN_DEVICE_ATTRIBUTES) && + !(ena_dev->supported_features & feature_mask)) + return false; + + return true; +} + +static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *get_resp, + enum ena_admin_aq_feature_id feature_id, + dma_addr_t control_buf_dma_addr, + u32 control_buff_size) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_get_feat_cmd get_cmd; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, feature_id)) { + ena_trc_dbg("Feature %d isn't supported\n", feature_id); + return ENA_COM_PERMISSION; + } + + memset(&get_cmd, 0x0, sizeof(get_cmd)); + admin_queue = &ena_dev->admin_queue; + + get_cmd.aq_common_descriptor.opcode = ENA_ADMIN_GET_FEATURE; + + if (control_buff_size) + get_cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + else + get_cmd.aq_common_descriptor.flags = 0; + + ret = ena_com_mem_addr_set(ena_dev, + &get_cmd.control_buffer.address, + control_buf_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + get_cmd.control_buffer.length = control_buff_size; + + get_cmd.feat_common.feature_id = feature_id; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *) + &get_cmd, + sizeof(get_cmd), + (struct ena_admin_acq_entry *) + get_resp, + sizeof(*get_resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to submit get_feature command %d error: %d\n", + feature_id, ret); + + return ret; +} + +static int ena_com_get_feature(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *get_resp, + enum ena_admin_aq_feature_id feature_id) +{ + return ena_com_get_feature_ex(ena_dev, + get_resp, + feature_id, + 0, + 0); +} + +static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_key), + rss->hash_key, + rss->hash_key_dma_addr, + rss->hash_key_mem_handle); + + if (unlikely(!rss->hash_key)) + return ENA_COM_NO_MEM; + + return 0; +} + +static void ena_com_hash_key_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + if (rss->hash_key) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_key), + rss->hash_key, + rss->hash_key_dma_addr, + rss->hash_key_mem_handle); + rss->hash_key = NULL; +} + +static int ena_com_hash_ctrl_init(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_ctrl), + rss->hash_ctrl, + rss->hash_ctrl_dma_addr, + rss->hash_ctrl_mem_handle); + + if (unlikely(!rss->hash_ctrl)) + return ENA_COM_NO_MEM; + + return 0; +} + +static void ena_com_hash_ctrl_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + + if (rss->hash_ctrl) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + sizeof(*rss->hash_ctrl), + rss->hash_ctrl, + rss->hash_ctrl_dma_addr, + rss->hash_ctrl_mem_handle); + rss->hash_ctrl = NULL; +} + +static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, + u16 log_size) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + size_t tbl_size; + int ret; + + ret = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + if (unlikely(ret)) + return ret; + + if ((get_resp.u.ind_table.min_size > log_size) || + (get_resp.u.ind_table.max_size < log_size)) { + ena_trc_err("indirect table size doesn't fit. requested size: %d while min is:%d and max %d\n", + 1 << log_size, + 1 << get_resp.u.ind_table.min_size, + 1 << get_resp.u.ind_table.max_size); + return ENA_COM_INVAL; + } + + tbl_size = (1ULL << log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); + if (unlikely(!rss->rss_ind_tbl)) + goto mem_err1; + + tbl_size = (1ULL << log_size) * sizeof(u16); + rss->host_rss_ind_tbl = + ENA_MEM_ALLOC(ena_dev->dmadev, tbl_size); + if (unlikely(!rss->host_rss_ind_tbl)) + goto mem_err2; + + rss->tbl_log_size = log_size; + + return 0; + +mem_err2: + tbl_size = (1ULL << log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); + rss->rss_ind_tbl = NULL; +mem_err1: + rss->tbl_log_size = 0; + return ENA_COM_NO_MEM; +} + +static void ena_com_indirect_table_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + size_t tbl_size = (1ULL << rss->tbl_log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + if (rss->rss_ind_tbl) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); + rss->rss_ind_tbl = NULL; + + if (rss->host_rss_ind_tbl) + ENA_MEM_FREE(ena_dev->dmadev, rss->host_rss_ind_tbl); + rss->host_rss_ind_tbl = NULL; +} + +static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_io_sq *io_sq, u16 cq_idx) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_create_sq_cmd create_cmd; + struct ena_admin_acq_create_sq_resp_desc cmd_completion; + u8 direction; + int ret; + + memset(&create_cmd, 0x0, sizeof(create_cmd)); + + create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_SQ; + + if (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + direction = ENA_ADMIN_SQ_DIRECTION_TX; + else + direction = ENA_ADMIN_SQ_DIRECTION_RX; + + create_cmd.sq_identity |= (direction << + ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_SHIFT) & + ENA_ADMIN_AQ_CREATE_SQ_CMD_SQ_DIRECTION_MASK; + + create_cmd.sq_caps_2 |= io_sq->mem_queue_type & + ENA_ADMIN_AQ_CREATE_SQ_CMD_PLACEMENT_POLICY_MASK; + + create_cmd.sq_caps_2 |= (ENA_ADMIN_COMPLETION_POLICY_DESC << + ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_SHIFT) & + ENA_ADMIN_AQ_CREATE_SQ_CMD_COMPLETION_POLICY_MASK; + + create_cmd.sq_caps_3 |= + ENA_ADMIN_AQ_CREATE_SQ_CMD_IS_PHYSICALLY_CONTIGUOUS_MASK; + + create_cmd.cq_idx = cq_idx; + create_cmd.sq_depth = io_sq->q_depth; + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) { + ret = ena_com_mem_addr_set(ena_dev, + &create_cmd.sq_ba, + io_sq->desc_addr.phys_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + } + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&create_cmd, + sizeof(create_cmd), + (struct ena_admin_acq_entry *)&cmd_completion, + sizeof(cmd_completion)); + if (unlikely(ret)) { + ena_trc_err("Failed to create IO SQ. error: %d\n", ret); + return ret; + } + + io_sq->idx = cmd_completion.sq_idx; + + io_sq->db_addr = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + (uintptr_t)cmd_completion.sq_doorbell_offset); + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) { + io_sq->header_addr = (u8 __iomem *)((uintptr_t)ena_dev->mem_bar + + cmd_completion.llq_headers_offset); + + io_sq->desc_addr.pbuf_dev_addr = + (u8 __iomem *)((uintptr_t)ena_dev->mem_bar + + cmd_completion.llq_descriptors_offset); + } + + ena_trc_dbg("created sq[%u], depth[%u]\n", io_sq->idx, io_sq->q_depth); + + return ret; +} + +static int ena_com_ind_tbl_convert_to_device(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_com_io_sq *io_sq; + u16 qid; + int i; + + for (i = 0; i < 1 << rss->tbl_log_size; i++) { + qid = rss->host_rss_ind_tbl[i]; + if (qid >= ENA_TOTAL_NUM_QUEUES) + return ENA_COM_INVAL; + + io_sq = &ena_dev->io_sq_queues[qid]; + + if (io_sq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX) + return ENA_COM_INVAL; + + rss->rss_ind_tbl[i].cq_idx = io_sq->idx; + } + + return 0; +} + +static int ena_com_ind_tbl_convert_from_device(struct ena_com_dev *ena_dev) +{ + u16 dev_idx_to_host_tbl[ENA_TOTAL_NUM_QUEUES] = { (u16)-1 }; + struct ena_rss *rss = &ena_dev->rss; + u8 idx; + u16 i; + + for (i = 0; i < ENA_TOTAL_NUM_QUEUES; i++) + dev_idx_to_host_tbl[ena_dev->io_sq_queues[i].idx] = i; + + for (i = 0; i < 1 << rss->tbl_log_size; i++) { + if (rss->rss_ind_tbl[i].cq_idx > ENA_TOTAL_NUM_QUEUES) + return ENA_COM_INVAL; + idx = (u8)rss->rss_ind_tbl[i].cq_idx; + + if (dev_idx_to_host_tbl[idx] > ENA_TOTAL_NUM_QUEUES) + return ENA_COM_INVAL; + + rss->host_rss_ind_tbl[i] = dev_idx_to_host_tbl[idx]; + } + + return 0; +} + +static int ena_com_init_interrupt_moderation_table(struct ena_com_dev *ena_dev) +{ + size_t size; + + size = sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS; + + ena_dev->intr_moder_tbl = ENA_MEM_ALLOC(ena_dev->dmadev, size); + if (!ena_dev->intr_moder_tbl) + return ENA_COM_NO_MEM; + + ena_com_config_default_interrupt_moderation_table(ena_dev); + + return 0; +} + +static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev, + u16 intr_delay_resolution) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + unsigned int i; + + if (!intr_delay_resolution) { + ena_trc_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n"); + intr_delay_resolution = 1; + } + ena_dev->intr_delay_resolution = intr_delay_resolution; + + /* update Rx */ + for (i = 0; i < ENA_INTR_MAX_NUM_OF_LEVELS; i++) + intr_moder_tbl[i].intr_moder_interval /= intr_delay_resolution; + + /* update Tx */ + ena_dev->intr_moder_tx_interval /= intr_delay_resolution; +} + +/*****************************************************************************/ +/******************************* API ******************************/ +/*****************************************************************************/ + +int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size, + struct ena_admin_acq_entry *comp, + size_t comp_size) +{ + struct ena_comp_ctx *comp_ctx; + int ret; + + comp_ctx = ena_com_submit_admin_cmd(admin_queue, cmd, cmd_size, + comp, comp_size); + if (unlikely(IS_ERR(comp_ctx))) { + if (comp_ctx == ERR_PTR(ENA_COM_NO_DEVICE)) + ena_trc_dbg("Failed to submit command [%ld]\n", + PTR_ERR(comp_ctx)); + else + ena_trc_err("Failed to submit command [%ld]\n", + PTR_ERR(comp_ctx)); + + return PTR_ERR(comp_ctx); + } + + ret = ena_com_wait_and_process_admin_cq(comp_ctx, admin_queue); + if (unlikely(ret)) { + if (admin_queue->running_state) + ena_trc_err("Failed to process command. ret = %d\n", + ret); + else + ena_trc_dbg("Failed to process command. ret = %d\n", + ret); + } + return ret; +} + +int ena_com_create_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_create_cq_cmd create_cmd; + struct ena_admin_acq_create_cq_resp_desc cmd_completion; + int ret; + + memset(&create_cmd, 0x0, sizeof(create_cmd)); + + create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_CQ; + + create_cmd.cq_caps_2 |= (io_cq->cdesc_entry_size_in_bytes / 4) & + ENA_ADMIN_AQ_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; + create_cmd.cq_caps_1 |= + ENA_ADMIN_AQ_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK; + + create_cmd.msix_vector = io_cq->msix_vector; + create_cmd.cq_depth = io_cq->q_depth; + + ret = ena_com_mem_addr_set(ena_dev, + &create_cmd.cq_ba, + io_cq->cdesc_addr.phys_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&create_cmd, + sizeof(create_cmd), + (struct ena_admin_acq_entry *)&cmd_completion, + sizeof(cmd_completion)); + if (unlikely(ret)) { + ena_trc_err("Failed to create IO CQ. error: %d\n", ret); + return ret; + } + + io_cq->idx = cmd_completion.cq_idx; + + io_cq->unmask_reg = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.cq_interrupt_unmask_register_offset); + + if (cmd_completion.cq_head_db_register_offset) + io_cq->cq_head_db_reg = + (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.cq_head_db_register_offset); + + if (cmd_completion.numa_node_register_offset) + io_cq->numa_node_cfg_reg = + (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.numa_node_register_offset); + + ena_trc_dbg("created cq[%u], depth[%u]\n", io_cq->idx, io_cq->q_depth); + + return ret; +} + +int ena_com_get_io_handlers(struct ena_com_dev *ena_dev, u16 qid, + struct ena_com_io_sq **io_sq, + struct ena_com_io_cq **io_cq) +{ + if (qid >= ENA_TOTAL_NUM_QUEUES) { + ena_trc_err("Invalid queue number %d but the max is %d\n", + qid, ENA_TOTAL_NUM_QUEUES); + return ENA_COM_INVAL; + } + + *io_sq = &ena_dev->io_sq_queues[qid]; + *io_cq = &ena_dev->io_cq_queues[qid]; + + return 0; +} + +void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_comp_ctx *comp_ctx; + u16 i; + + if (!admin_queue->comp_ctx) + return; + + for (i = 0; i < admin_queue->q_depth; i++) { + comp_ctx = get_comp_ctxt(admin_queue, i, false); + if (unlikely(!comp_ctx)) + break; + + comp_ctx->status = ENA_CMD_ABORTED; + + ENA_WAIT_EVENT_SIGNAL(comp_ctx->wait_event); + } +} + +void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + unsigned long flags; + + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + while (ATOMIC32_READ(&admin_queue->outstanding_cmds) != 0) { + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + ENA_MSLEEP(20); + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + } + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); +} + +int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_admin_aq_destroy_cq_cmd destroy_cmd; + struct ena_admin_acq_destroy_cq_resp_desc destroy_resp; + int ret; + + memset(&destroy_cmd, 0x0, sizeof(destroy_cmd)); + + destroy_cmd.cq_idx = io_cq->idx; + destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_CQ; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&destroy_cmd, + sizeof(destroy_cmd), + (struct ena_admin_acq_entry *)&destroy_resp, + sizeof(destroy_resp)); + + if (unlikely(ret && (ret != ENA_COM_NO_DEVICE))) + ena_trc_err("Failed to destroy IO CQ. error: %d\n", ret); + + return ret; +} + +bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev) +{ + return ena_dev->admin_queue.running_state; +} + +void ena_com_set_admin_running_state(struct ena_com_dev *ena_dev, bool state) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + unsigned long flags; + + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_dev->admin_queue.running_state = state; + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); +} + +void ena_com_admin_aenq_enable(struct ena_com_dev *ena_dev) +{ + u16 depth = ena_dev->aenq.q_depth; + + ENA_WARN(ena_dev->aenq.head != depth, "Invalid AENQ state\n"); + + /* Init head_db to mark that all entries in the queue + * are initially available + */ + ENA_REG_WRITE32(ena_dev->bus, depth, ena_dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); +} + +int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + struct ena_admin_get_feat_resp get_resp; + int ret; + + ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG); + if (ret) { + ena_trc_info("Can't get aenq configuration\n"); + return ret; + } + + if ((get_resp.u.aenq.supported_groups & groups_flag) != groups_flag) { + ena_trc_warn("Trying to set unsupported aenq events. supported flag: %x asked flag: %x\n", + get_resp.u.aenq.supported_groups, + groups_flag); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = 0; + cmd.feat_common.feature_id = ENA_ADMIN_AENQ_CONFIG; + cmd.u.aenq.enabled_groups = groups_flag; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to config AENQ ret: %d\n", ret); + + return ret; +} + +int ena_com_get_dma_width(struct ena_com_dev *ena_dev) +{ + u32 caps = ena_com_reg_bar_read32(ena_dev, ENA_REGS_CAPS_OFF); + int width; + + if (unlikely(caps == ENA_MMIO_READ_TIMEOUT)) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + width = (caps & ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK) >> + ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT; + + ena_trc_dbg("ENA dma width: %d\n", width); + + if ((width < 32) || width > ENA_MAX_PHYS_ADDR_SIZE_BITS) { + ena_trc_err("DMA width illegal value: %d\n", width); + return ENA_COM_INVAL; + } + + ena_dev->dma_addr_bits = width; + + return width; +} + +int ena_com_validate_version(struct ena_com_dev *ena_dev) +{ + u32 ver; + u32 ctrl_ver; + u32 ctrl_ver_masked; + + /* Make sure the ENA version and the controller version are at least + * as the driver expects + */ + ver = ena_com_reg_bar_read32(ena_dev, ENA_REGS_VERSION_OFF); + ctrl_ver = ena_com_reg_bar_read32(ena_dev, + ENA_REGS_CONTROLLER_VERSION_OFF); + + if (unlikely((ver == ENA_MMIO_READ_TIMEOUT) || + (ctrl_ver == ENA_MMIO_READ_TIMEOUT))) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + ena_trc_info("ena device version: %d.%d\n", + (ver & ENA_REGS_VERSION_MAJOR_VERSION_MASK) >> + ENA_REGS_VERSION_MAJOR_VERSION_SHIFT, + ver & ENA_REGS_VERSION_MINOR_VERSION_MASK); + + if (ver < MIN_ENA_VER) { + ena_trc_err("ENA version is lower than the minimal version the driver supports\n"); + return -1; + } + + ena_trc_info("ena controller version: %d.%d.%d implementation version %d\n", + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) + >> ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT, + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) + >> ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT, + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK), + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK) >> + ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT); + + ctrl_ver_masked = + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) | + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) | + (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK); + + /* Validate the ctrl version without the implementation ID */ + if (ctrl_ver_masked < MIN_ENA_CTRL_VER) { + ena_trc_err("ENA ctrl version is lower than the minimal ctrl version the driver supports\n"); + return -1; + } + + return 0; +} + +void ena_com_admin_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_com_admin_cq *cq = &admin_queue->cq; + struct ena_com_admin_sq *sq = &admin_queue->sq; + struct ena_com_aenq *aenq = &ena_dev->aenq; + u16 size; + + ENA_WAIT_EVENT_DESTROY(admin_queue->comp_ctx->wait_event); + + ENA_SPINLOCK_DESTROY(admin_queue->q_lock); + + if (admin_queue->comp_ctx) + ENA_MEM_FREE(ena_dev->dmadev, admin_queue->comp_ctx); + + admin_queue->comp_ctx = NULL; + size = ADMIN_SQ_SIZE(admin_queue->q_depth); + if (sq->entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, sq->entries, + sq->dma_addr, sq->mem_handle); + sq->entries = NULL; + + size = ADMIN_CQ_SIZE(admin_queue->q_depth); + if (cq->entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, cq->entries, + cq->dma_addr, cq->mem_handle); + cq->entries = NULL; + + size = ADMIN_AENQ_SIZE(aenq->q_depth); + if (ena_dev->aenq.entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, aenq->entries, + aenq->dma_addr, aenq->mem_handle); + aenq->entries = NULL; +} + +void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling) +{ + ena_dev->admin_queue.polling = polling; +} + +int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + + ENA_SPINLOCK_INIT(mmio_read->lock); + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + sizeof(*mmio_read->read_resp), + mmio_read->read_resp, + mmio_read->read_resp_dma_addr, + mmio_read->read_resp_mem_handle); + if (unlikely(!mmio_read->read_resp)) + return ENA_COM_NO_MEM; + + ena_com_mmio_reg_read_request_write_dev_addr(ena_dev); + + mmio_read->read_resp->req_id = 0x0; + mmio_read->seq_num = 0x0; + mmio_read->readless_supported = true; + + return 0; +} + +void ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, bool readless_supported) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + + mmio_read->readless_supported = readless_supported; +} + +void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + + ENA_REG_WRITE32(ena_dev->bus, 0x0, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, 0x0, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_HI_OFF); + + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + sizeof(*mmio_read->read_resp), + mmio_read->read_resp, + mmio_read->read_resp_dma_addr, + mmio_read->read_resp_mem_handle); + + mmio_read->read_resp = NULL; + + ENA_SPINLOCK_DESTROY(mmio_read->lock); +} + +void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev) +{ + struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; + u32 addr_low, addr_high; + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(mmio_read->read_resp_dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(mmio_read->read_resp_dma_addr); + + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_HI_OFF); +} + +int ena_com_admin_init(struct ena_com_dev *ena_dev, + struct ena_aenq_handlers *aenq_handlers, + bool init_spinlock) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + u32 aq_caps, acq_caps, dev_sts, addr_low, addr_high; + int ret; + +#ifdef ENA_INTERNAL + ena_trc_info("ena_defs : Version:[%s] Build date [%s]", + ENA_GEN_COMMIT, ENA_GEN_DATE); +#endif + dev_sts = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); + + if (unlikely(dev_sts == ENA_MMIO_READ_TIMEOUT)) { + ena_trc_err("Reg read timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + if (!(dev_sts & ENA_REGS_DEV_STS_READY_MASK)) { + ena_trc_err("Device isn't ready, abort com init\n"); + return ENA_COM_NO_DEVICE; + } + + admin_queue->q_depth = ENA_ADMIN_QUEUE_DEPTH; + + admin_queue->bus = ena_dev->bus; + admin_queue->q_dmadev = ena_dev->dmadev; + admin_queue->polling = false; + admin_queue->curr_cmd_id = 0; + + ATOMIC32_SET(&admin_queue->outstanding_cmds, 0); + + if (init_spinlock) + ENA_SPINLOCK_INIT(admin_queue->q_lock); + + ret = ena_com_init_comp_ctxt(admin_queue); + if (ret) + goto error; + + ret = ena_com_admin_init_sq(admin_queue); + if (ret) + goto error; + + ret = ena_com_admin_init_cq(admin_queue); + if (ret) + goto error; + + admin_queue->sq.db_addr = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + ENA_REGS_AQ_DB_OFF); + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(admin_queue->sq.dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(admin_queue->sq.dma_addr); + + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_AQ_BASE_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_AQ_BASE_HI_OFF); + + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(admin_queue->cq.dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(admin_queue->cq.dma_addr); + + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_ACQ_BASE_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_ACQ_BASE_HI_OFF); + + aq_caps = 0; + aq_caps |= admin_queue->q_depth & ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK; + aq_caps |= (sizeof(struct ena_admin_aq_entry) << + ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT) & + ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK; + + acq_caps = 0; + acq_caps |= admin_queue->q_depth & ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK; + acq_caps |= (sizeof(struct ena_admin_acq_entry) << + ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT) & + ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK; + + ENA_REG_WRITE32(ena_dev->bus, aq_caps, ena_dev->reg_bar + ENA_REGS_AQ_CAPS_OFF); + ENA_REG_WRITE32(ena_dev->bus, acq_caps, ena_dev->reg_bar + ENA_REGS_ACQ_CAPS_OFF); + ret = ena_com_admin_init_aenq(ena_dev, aenq_handlers); + if (ret) + goto error; + + admin_queue->running_state = true; + + return 0; +error: + ena_com_admin_destroy(ena_dev); + + return ret; +} + +int ena_com_create_io_queue(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx) +{ + struct ena_com_io_sq *io_sq; + struct ena_com_io_cq *io_cq; + int ret; + + if (ctx->qid >= ENA_TOTAL_NUM_QUEUES) { + ena_trc_err("Qid (%d) is bigger than max num of queues (%d)\n", + ctx->qid, ENA_TOTAL_NUM_QUEUES); + return ENA_COM_INVAL; + } + + io_sq = &ena_dev->io_sq_queues[ctx->qid]; + io_cq = &ena_dev->io_cq_queues[ctx->qid]; + + memset(io_sq, 0x0, sizeof(*io_sq)); + memset(io_cq, 0x0, sizeof(*io_cq)); + + /* Init CQ */ + io_cq->q_depth = ctx->queue_size; + io_cq->direction = ctx->direction; + io_cq->qid = ctx->qid; + + io_cq->msix_vector = ctx->msix_vector; + + io_sq->q_depth = ctx->queue_size; + io_sq->direction = ctx->direction; + io_sq->qid = ctx->qid; + + io_sq->mem_queue_type = ctx->mem_queue_type; + + if (ctx->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + /* header length is limited to 8 bits */ + io_sq->tx_max_header_size = + ENA_MIN32(ena_dev->tx_max_header_size, SZ_256); + + ret = ena_com_init_io_sq(ena_dev, ctx, io_sq); + if (ret) + goto error; + ret = ena_com_init_io_cq(ena_dev, ctx, io_cq); + if (ret) + goto error; + + ret = ena_com_create_io_cq(ena_dev, io_cq); + if (ret) + goto error; + + ret = ena_com_create_io_sq(ena_dev, io_sq, io_cq->idx); + if (ret) + goto destroy_io_cq; + + return 0; + +destroy_io_cq: + ena_com_destroy_io_cq(ena_dev, io_cq); +error: + ena_com_io_queue_free(ena_dev, io_sq, io_cq); + return ret; +} + +void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid) +{ + struct ena_com_io_sq *io_sq; + struct ena_com_io_cq *io_cq; + + if (qid >= ENA_TOTAL_NUM_QUEUES) { + ena_trc_err("Qid (%d) is bigger than max num of queues (%d)\n", + qid, ENA_TOTAL_NUM_QUEUES); + return; + } + + io_sq = &ena_dev->io_sq_queues[qid]; + io_cq = &ena_dev->io_cq_queues[qid]; + + ena_com_destroy_io_sq(ena_dev, io_sq); + ena_com_destroy_io_cq(ena_dev, io_cq); + + ena_com_io_queue_free(ena_dev, io_sq, io_cq); +} + +int ena_com_get_link_params(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *resp) +{ + return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG); +} + +int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, + struct ena_com_dev_get_features_ctx *get_feat_ctx) +{ + struct ena_admin_get_feat_resp get_resp; + int rc; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_DEVICE_ATTRIBUTES); + if (rc) + return rc; + + memcpy(&get_feat_ctx->dev_attr, &get_resp.u.dev_attr, + sizeof(get_resp.u.dev_attr)); + ena_dev->supported_features = get_resp.u.dev_attr.supported_features; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_MAX_QUEUES_NUM); + if (rc) + return rc; + + memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue, + sizeof(get_resp.u.max_queue)); + ena_dev->tx_max_header_size = get_resp.u.max_queue.max_header_size; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_AENQ_CONFIG); + if (rc) + return rc; + + memcpy(&get_feat_ctx->aenq, &get_resp.u.aenq, + sizeof(get_resp.u.aenq)); + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + if (rc) + return rc; + + memcpy(&get_feat_ctx->offload, &get_resp.u.offload, + sizeof(get_resp.u.offload)); + + /* Driver hints isn't mandatory admin command. So in case the + * command isn't supported set driver hints to 0 + */ + rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS); + + if (!rc) + memcpy(&get_feat_ctx->hw_hints, &get_resp.u.hw_hints, + sizeof(get_resp.u.hw_hints)); + else if (rc == ENA_COM_PERMISSION) + memset(&get_feat_ctx->hw_hints, 0x0, sizeof(get_feat_ctx->hw_hints)); + else + return rc; + + return 0; +} + +void ena_com_admin_q_comp_intr_handler(struct ena_com_dev *ena_dev) +{ + ena_com_handle_admin_completion(&ena_dev->admin_queue); +} + +/* ena_handle_specific_aenq_event: + * return the handler that is relevant to the specific event group + */ +static ena_aenq_handler ena_com_get_specific_aenq_cb(struct ena_com_dev *dev, + u16 group) +{ + struct ena_aenq_handlers *aenq_handlers = dev->aenq.aenq_handlers; + + if ((group < ENA_MAX_HANDLERS) && aenq_handlers->handlers[group]) + return aenq_handlers->handlers[group]; + + return aenq_handlers->unimplemented_handler; +} + +/* ena_aenq_intr_handler: + * handles the aenq incoming events. + * pop events from the queue and apply the specific handler + */ +void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data) +{ + struct ena_admin_aenq_entry *aenq_e; + struct ena_admin_aenq_common_desc *aenq_common; + struct ena_com_aenq *aenq = &dev->aenq; + ena_aenq_handler handler_cb; + u16 masked_head, processed = 0; + u8 phase; + + masked_head = aenq->head & (aenq->q_depth - 1); + phase = aenq->phase; + aenq_e = &aenq->entries[masked_head]; /* Get first entry */ + aenq_common = &aenq_e->aenq_common_desc; + + /* Go over all the events */ + while ((aenq_common->flags & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK) == + phase) { + ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%jus]\n", + aenq_common->group, + aenq_common->syndrom, + (u64)aenq_common->timestamp_low + + ((u64)aenq_common->timestamp_high << 32)); + + /* Handle specific event*/ + handler_cb = ena_com_get_specific_aenq_cb(dev, + aenq_common->group); + handler_cb(data, aenq_e); /* call the actual event handler*/ + + /* Get next event entry */ + masked_head++; + processed++; + + if (unlikely(masked_head == aenq->q_depth)) { + masked_head = 0; + phase = !phase; + } + aenq_e = &aenq->entries[masked_head]; + aenq_common = &aenq_e->aenq_common_desc; + } + + aenq->head += processed; + aenq->phase = phase; + + /* Don't update aenq doorbell if there weren't any processed events */ + if (!processed) + return; + + /* write the aenq doorbell after all AENQ descriptors were read */ + mb(); + ENA_REG_WRITE32(dev->bus, (u32)aenq->head, dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); +} + +int ena_com_dev_reset(struct ena_com_dev *ena_dev) +{ + u32 stat, timeout, cap, reset_val; + int rc; + + stat = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); + cap = ena_com_reg_bar_read32(ena_dev, ENA_REGS_CAPS_OFF); + + if (unlikely((stat == ENA_MMIO_READ_TIMEOUT) || + (cap == ENA_MMIO_READ_TIMEOUT))) { + ena_trc_err("Reg read32 timeout occurred\n"); + return ENA_COM_TIMER_EXPIRED; + } + + if ((stat & ENA_REGS_DEV_STS_READY_MASK) == 0) { + ena_trc_err("Device isn't ready, can't reset device\n"); + return ENA_COM_INVAL; + } + + timeout = (cap & ENA_REGS_CAPS_RESET_TIMEOUT_MASK) >> + ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT; + if (timeout == 0) { + ena_trc_err("Invalid timeout value\n"); + return ENA_COM_INVAL; + } + + /* start reset */ + reset_val = ENA_REGS_DEV_CTL_DEV_RESET_MASK; + ENA_REG_WRITE32(ena_dev->bus, reset_val, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); + + /* Write again the MMIO read request address */ + ena_com_mmio_reg_read_request_write_dev_addr(ena_dev); + + rc = wait_for_reset_state(ena_dev, timeout, + ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK); + if (rc != 0) { + ena_trc_err("Reset indication didn't turn on\n"); + return rc; + } + + /* reset done */ + ENA_REG_WRITE32(ena_dev->bus, 0, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); + rc = wait_for_reset_state(ena_dev, timeout, 0); + if (rc != 0) { + ena_trc_err("Reset indication didn't turn off\n"); + return rc; + } + + timeout = (cap & ENA_REGS_CAPS_ADMIN_CMD_TO_MASK) >> + ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT; + if (timeout) + /* the resolution of timeout reg is 100ms */ + ena_dev->admin_queue.completion_timeout = timeout * 100000; + else + ena_dev->admin_queue.completion_timeout = ADMIN_CMD_TIMEOUT_US; + + return 0; +} + +static int ena_get_dev_stats(struct ena_com_dev *ena_dev, + struct ena_com_stats_ctx *ctx, + enum ena_admin_get_stats_type type) +{ + struct ena_admin_aq_get_stats_cmd *get_cmd = &ctx->get_cmd; + struct ena_admin_acq_get_stats_resp *get_resp = &ctx->get_resp; + struct ena_com_admin_queue *admin_queue; + int ret; + + admin_queue = &ena_dev->admin_queue; + + get_cmd->aq_common_descriptor.opcode = ENA_ADMIN_GET_STATS; + get_cmd->aq_common_descriptor.flags = 0; + get_cmd->type = type; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)get_cmd, + sizeof(*get_cmd), + (struct ena_admin_acq_entry *)get_resp, + sizeof(*get_resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to get stats. error: %d\n", ret); + + return ret; +} + +int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, + struct ena_admin_basic_stats *stats) +{ + struct ena_com_stats_ctx ctx; + int ret; + + memset(&ctx, 0x0, sizeof(ctx)); + ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_BASIC); + if (likely(ret == 0)) + memcpy(stats, &ctx.get_resp.basic_stats, + sizeof(ctx.get_resp.basic_stats)); + + return ret; +} + +int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_MTU)) { + ena_trc_dbg("Feature %d isn't supported\n", ENA_ADMIN_MTU); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = 0; + cmd.feat_common.feature_id = ENA_ADMIN_MTU; + cmd.u.mtu.mtu = mtu; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set mtu %d. error: %d\n", mtu, ret); + + return ret; +} + +int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, + struct ena_admin_feature_offload_desc *offload) +{ + int ret; + struct ena_admin_get_feat_resp resp; + + ret = ena_com_get_feature(ena_dev, &resp, + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + if (unlikely(ret)) { + ena_trc_err("Failed to get offload capabilities %d\n", ret); + return ret; + } + + memcpy(offload, &resp.u.offload, sizeof(resp.u.offload)); + + return 0; +} + +int ena_com_set_hash_function(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + struct ena_admin_get_feat_resp get_resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_HASH_FUNCTION)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_FUNCTION); + return ENA_COM_PERMISSION; + } + + /* Validate hash function is supported */ + ret = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_FUNCTION); + if (unlikely(ret)) + return ret; + + if (get_resp.u.flow_hash_func.supported_func & (1 << rss->hash_func)) { + ena_trc_err("Func hash %d isn't supported by device, abort\n", + rss->hash_func); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + cmd.feat_common.feature_id = ENA_ADMIN_RSS_HASH_FUNCTION; + cmd.u.flow_hash_func.init_val = rss->hash_init_val; + cmd.u.flow_hash_func.selected_func = 1 << rss->hash_func; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.control_buffer.address, + rss->hash_key_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + cmd.control_buffer.length = sizeof(*rss->hash_key); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + if (unlikely(ret)) { + ena_trc_err("Failed to set hash function %d. error: %d\n", + rss->hash_func, ret); + return ENA_COM_INVAL; + } + + return 0; +} + +int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions func, + const u8 *key, u16 key_len, u32 init_val) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + struct ena_admin_feature_rss_flow_hash_control *hash_key = + rss->hash_key; + int rc; + + /* Make sure size is a mult of DWs */ + if (unlikely(key_len & 0x3)) + return ENA_COM_INVAL; + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_FUNCTION, + rss->hash_key_dma_addr, + sizeof(*rss->hash_key)); + if (unlikely(rc)) + return rc; + + if (!((1 << func) & get_resp.u.flow_hash_func.supported_func)) { + ena_trc_err("Flow hash function %d isn't supported\n", func); + return ENA_COM_PERMISSION; + } + + switch (func) { + case ENA_ADMIN_TOEPLITZ: + if (key_len > sizeof(hash_key->key)) { + ena_trc_err("key len (%hu) is bigger than the max supported (%zu)\n", + key_len, sizeof(hash_key->key)); + return ENA_COM_INVAL; + } + + memcpy(hash_key->key, key, key_len); + rss->hash_init_val = init_val; + hash_key->keys_num = key_len >> 2; + break; + case ENA_ADMIN_CRC32: + rss->hash_init_val = init_val; + break; + default: + ena_trc_err("Invalid hash function (%d)\n", func); + return ENA_COM_INVAL; + } + + rc = ena_com_set_hash_function(ena_dev); + + /* Restore the old function */ + if (unlikely(rc)) + ena_com_get_hash_function(ena_dev, NULL, NULL); + + return rc; +} + +int ena_com_get_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions *func, + u8 *key) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + struct ena_admin_feature_rss_flow_hash_control *hash_key = + rss->hash_key; + int rc; + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_FUNCTION, + rss->hash_key_dma_addr, + sizeof(*rss->hash_key)); + if (unlikely(rc)) + return rc; + + rss->hash_func = get_resp.u.flow_hash_func.selected_func; + if (func) + *func = rss->hash_func; + + if (key) + memcpy(key, hash_key->key, (size_t)(hash_key->keys_num) << 2); + + return 0; +} + +int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 *fields) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + int rc; + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_HASH_INPUT, + rss->hash_ctrl_dma_addr, + sizeof(*rss->hash_ctrl)); + if (unlikely(rc)) + return rc; + + if (fields) + *fields = rss->hash_ctrl->selected_fields[proto].fields; + + return 0; +} + +int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_hash_control *hash_ctrl = rss->hash_ctrl; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_HASH_INPUT)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_INPUT); + return ENA_COM_PERMISSION; + } + + memset(&cmd, 0x0, sizeof(cmd)); + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + cmd.feat_common.feature_id = ENA_ADMIN_RSS_HASH_INPUT; + cmd.u.flow_hash_input.enabled_input_sort = + ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L3_SORT_MASK | + ENA_ADMIN_FEATURE_RSS_FLOW_HASH_INPUT_L4_SORT_MASK; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.control_buffer.address, + rss->hash_ctrl_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + cmd.control_buffer.length = sizeof(*hash_ctrl); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + if (unlikely(ret)) + ena_trc_err("Failed to set hash input. error: %d\n", ret); + + return ret; +} + +int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_hash_control *hash_ctrl = + rss->hash_ctrl; + u16 available_fields = 0; + int rc, i; + + /* Get the supported hash input */ + rc = ena_com_get_hash_ctrl(ena_dev, 0, NULL); + if (unlikely(rc)) + return rc; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_TCP4].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_UDP4].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_TCP6].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_UDP6].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA | + ENA_ADMIN_RSS_L4_DP | ENA_ADMIN_RSS_L4_SP; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP4].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP6].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP4_FRAG].fields = + ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; + + hash_ctrl->selected_fields[ENA_ADMIN_RSS_NOT_IP].fields = + ENA_ADMIN_RSS_L2_DA | ENA_ADMIN_RSS_L2_SA; + + for (i = 0; i < ENA_ADMIN_RSS_PROTO_NUM; i++) { + available_fields = hash_ctrl->selected_fields[i].fields & + hash_ctrl->supported_fields[i].fields; + if (available_fields != hash_ctrl->selected_fields[i].fields) { + ena_trc_err("hash control doesn't support all the desire configuration. proto %x supported %x selected %x\n", + i, hash_ctrl->supported_fields[i].fields, + hash_ctrl->selected_fields[i].fields); + return ENA_COM_PERMISSION; + } + } + + rc = ena_com_set_hash_ctrl(ena_dev); + + /* In case of failure, restore the old hash ctrl */ + if (unlikely(rc)) + ena_com_get_hash_ctrl(ena_dev, 0, NULL); + + return rc; +} + +int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 hash_fields) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_hash_control *hash_ctrl = rss->hash_ctrl; + u16 supported_fields; + int rc; + + if (proto >= ENA_ADMIN_RSS_PROTO_NUM) { + ena_trc_err("Invalid proto num (%u)\n", proto); + return ENA_COM_INVAL; + } + + /* Get the ctrl table */ + rc = ena_com_get_hash_ctrl(ena_dev, proto, NULL); + if (unlikely(rc)) + return rc; + + /* Make sure all the fields are supported */ + supported_fields = hash_ctrl->supported_fields[proto].fields; + if ((hash_fields & supported_fields) != hash_fields) { + ena_trc_err("proto %d doesn't support the required fields %x. supports only: %x\n", + proto, hash_fields, supported_fields); + } + + hash_ctrl->selected_fields[proto].fields = hash_fields; + + rc = ena_com_set_hash_ctrl(ena_dev); + + /* In case of failure, restore the old hash ctrl */ + if (unlikely(rc)) + ena_com_get_hash_ctrl(ena_dev, 0, NULL); + + return 0; +} + +int ena_com_indirect_table_fill_entry(struct ena_com_dev *ena_dev, + u16 entry_idx, u16 entry_value) +{ + struct ena_rss *rss = &ena_dev->rss; + + if (unlikely(entry_idx >= (1 << rss->tbl_log_size))) + return ENA_COM_INVAL; + + if (unlikely((entry_value > ENA_TOTAL_NUM_QUEUES))) + return ENA_COM_INVAL; + + rss->host_rss_ind_tbl[entry_idx] = entry_value; + + return 0; +} + +int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + int ret; + + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + return ENA_COM_PERMISSION; + } + + ret = ena_com_ind_tbl_convert_to_device(ena_dev); + if (ret) { + ena_trc_err("Failed to convert host indirection table to device table\n"); + return ret; + } + + memset(&cmd, 0x0, sizeof(cmd)); + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.aq_common_descriptor.flags = + ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; + cmd.feat_common.feature_id = ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG; + cmd.u.ind_table.size = rss->tbl_log_size; + cmd.u.ind_table.inline_index = 0xFFFFFFFF; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.control_buffer.address, + rss->rss_ind_tbl_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + cmd.control_buffer.length = (1ULL << rss->tbl_log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set indirect table. error: %d\n", ret); + + return ret; +} + +int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl) +{ + struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_get_feat_resp get_resp; + u32 tbl_size; + int i, rc; + + tbl_size = (1ULL << rss->tbl_log_size) * + sizeof(struct ena_admin_rss_ind_table_entry); + + rc = ena_com_get_feature_ex(ena_dev, &get_resp, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, + rss->rss_ind_tbl_dma_addr, + tbl_size); + if (unlikely(rc)) + return rc; + + if (!ind_tbl) + return 0; + + rc = ena_com_ind_tbl_convert_from_device(ena_dev); + if (unlikely(rc)) + return rc; + + for (i = 0; i < (1 << rss->tbl_log_size); i++) + ind_tbl[i] = rss->host_rss_ind_tbl[i]; + + return 0; +} + +int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size) +{ + int rc; + + memset(&ena_dev->rss, 0x0, sizeof(ena_dev->rss)); + + rc = ena_com_indirect_table_allocate(ena_dev, indr_tbl_log_size); + if (unlikely(rc)) + goto err_indr_tbl; + + rc = ena_com_hash_key_allocate(ena_dev); + if (unlikely(rc)) + goto err_hash_key; + + rc = ena_com_hash_ctrl_init(ena_dev); + if (unlikely(rc)) + goto err_hash_ctrl; + + return 0; + +err_hash_ctrl: + ena_com_hash_key_destroy(ena_dev); +err_hash_key: + ena_com_indirect_table_destroy(ena_dev); +err_indr_tbl: + + return rc; +} + +void ena_com_rss_destroy(struct ena_com_dev *ena_dev) +{ + ena_com_indirect_table_destroy(ena_dev); + ena_com_hash_key_destroy(ena_dev); + ena_com_hash_ctrl_destroy(ena_dev); + + memset(&ena_dev->rss, 0x0, sizeof(ena_dev->rss)); +} + +int ena_com_allocate_host_info(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + SZ_4K, + host_attr->host_info, + host_attr->host_info_dma_addr, + host_attr->host_info_dma_handle); + if (unlikely(!host_attr->host_info)) + return ENA_COM_NO_MEM; + + return 0; +} + +int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, + u32 debug_area_size) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + debug_area_size, + host_attr->debug_area_virt_addr, + host_attr->debug_area_dma_addr, + host_attr->debug_area_dma_handle); + if (unlikely(!host_attr->debug_area_virt_addr)) { + host_attr->debug_area_size = 0; + return ENA_COM_NO_MEM; + } + + host_attr->debug_area_size = debug_area_size; + + return 0; +} + +void ena_com_delete_host_info(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + if (host_attr->host_info) { + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + SZ_4K, + host_attr->host_info, + host_attr->host_info_dma_addr, + host_attr->host_info_dma_handle); + host_attr->host_info = NULL; + } +} + +void ena_com_delete_debug_area(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + if (host_attr->debug_area_virt_addr) { + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + host_attr->debug_area_size, + host_attr->debug_area_virt_addr, + host_attr->debug_area_dma_addr, + host_attr->debug_area_dma_handle); + host_attr->debug_area_virt_addr = NULL; + } +} + +int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + + int ret; + + /* Host attribute config is called before ena_com_get_dev_attr_feat + * so ena_com can't check if the feature is supported. + */ + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.feat_common.feature_id = ENA_ADMIN_HOST_ATTR_CONFIG; + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.u.host_attr.debug_ba, + host_attr->debug_area_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + ret = ena_com_mem_addr_set(ena_dev, + &cmd.u.host_attr.os_info_ba, + host_attr->host_info_dma_addr); + if (unlikely(ret)) { + ena_trc_err("memory address set failed\n"); + return ret; + } + + cmd.u.host_attr.debug_area_size = host_attr->debug_area_size; + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set host attributes: %d\n", ret); + + return ret; +} + +/* Interrupt moderation */ +bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev) +{ + return ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_INTERRUPT_MODERATION); +} + +int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, + u32 tx_coalesce_usecs) +{ + if (!ena_dev->intr_delay_resolution) { + ena_trc_err("Illegal interrupt delay granularity value\n"); + return ENA_COM_FAULT; + } + + ena_dev->intr_moder_tx_interval = tx_coalesce_usecs / + ena_dev->intr_delay_resolution; + + return 0; +} + +int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, + u32 rx_coalesce_usecs) +{ + if (!ena_dev->intr_delay_resolution) { + ena_trc_err("Illegal interrupt delay granularity value\n"); + return ENA_COM_FAULT; + } + + /* We use LOWEST entry of moderation table for storing + * nonadaptive interrupt coalescing values + */ + ena_dev->intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval = + rx_coalesce_usecs / ena_dev->intr_delay_resolution; + + return 0; +} + +void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev) +{ + if (ena_dev->intr_moder_tbl) + ENA_MEM_FREE(ena_dev->dmadev, ena_dev->intr_moder_tbl); + ena_dev->intr_moder_tbl = NULL; +} + +int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev) +{ + struct ena_admin_get_feat_resp get_resp; + u16 delay_resolution; + int rc; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_INTERRUPT_MODERATION); + + if (rc) { + if (rc == ENA_COM_PERMISSION) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_INTERRUPT_MODERATION); + rc = 0; + } else { + ena_trc_err("Failed to get interrupt moderation admin cmd. rc: %d\n", + rc); + } + + /* no moderation supported, disable adaptive support */ + ena_com_disable_adaptive_moderation(ena_dev); + return rc; + } + + rc = ena_com_init_interrupt_moderation_table(ena_dev); + if (rc) + goto err; + + /* if moderation is supported by device we set adaptive moderation */ + delay_resolution = get_resp.u.intr_moderation.intr_delay_resolution; + ena_com_update_intr_delay_resolution(ena_dev, delay_resolution); + ena_com_enable_adaptive_moderation(ena_dev); + + return 0; +err: + ena_com_destroy_interrupt_moderation(ena_dev); + return rc; +} + +void ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (!intr_moder_tbl) + return; + + intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval = + ENA_INTR_LOWEST_USECS; + intr_moder_tbl[ENA_INTR_MODER_LOWEST].pkts_per_interval = + ENA_INTR_LOWEST_PKTS; + intr_moder_tbl[ENA_INTR_MODER_LOWEST].bytes_per_interval = + ENA_INTR_LOWEST_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_LOW].intr_moder_interval = + ENA_INTR_LOW_USECS; + intr_moder_tbl[ENA_INTR_MODER_LOW].pkts_per_interval = + ENA_INTR_LOW_PKTS; + intr_moder_tbl[ENA_INTR_MODER_LOW].bytes_per_interval = + ENA_INTR_LOW_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_MID].intr_moder_interval = + ENA_INTR_MID_USECS; + intr_moder_tbl[ENA_INTR_MODER_MID].pkts_per_interval = + ENA_INTR_MID_PKTS; + intr_moder_tbl[ENA_INTR_MODER_MID].bytes_per_interval = + ENA_INTR_MID_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_HIGH].intr_moder_interval = + ENA_INTR_HIGH_USECS; + intr_moder_tbl[ENA_INTR_MODER_HIGH].pkts_per_interval = + ENA_INTR_HIGH_PKTS; + intr_moder_tbl[ENA_INTR_MODER_HIGH].bytes_per_interval = + ENA_INTR_HIGH_BYTES; + + intr_moder_tbl[ENA_INTR_MODER_HIGHEST].intr_moder_interval = + ENA_INTR_HIGHEST_USECS; + intr_moder_tbl[ENA_INTR_MODER_HIGHEST].pkts_per_interval = + ENA_INTR_HIGHEST_PKTS; + intr_moder_tbl[ENA_INTR_MODER_HIGHEST].bytes_per_interval = + ENA_INTR_HIGHEST_BYTES; +} + +unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev) +{ + return ena_dev->intr_moder_tx_interval; +} + +unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (intr_moder_tbl) + return intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval; + + return 0; +} + +void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (level >= ENA_INTR_MAX_NUM_OF_LEVELS) + return; + + intr_moder_tbl[level].intr_moder_interval = entry->intr_moder_interval; + if (ena_dev->intr_delay_resolution) + intr_moder_tbl[level].intr_moder_interval /= + ena_dev->intr_delay_resolution; + intr_moder_tbl[level].pkts_per_interval = entry->pkts_per_interval; + + /* use hardcoded value until ethtool supports bytecount parameter */ + if (entry->bytes_per_interval != ENA_INTR_BYTE_COUNT_NOT_SUPPORTED) + intr_moder_tbl[level].bytes_per_interval = entry->bytes_per_interval; +} + +void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry) +{ + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + + if (level >= ENA_INTR_MAX_NUM_OF_LEVELS) + return; + + entry->intr_moder_interval = intr_moder_tbl[level].intr_moder_interval; + if (ena_dev->intr_delay_resolution) + entry->intr_moder_interval *= ena_dev->intr_delay_resolution; + entry->pkts_per_interval = + intr_moder_tbl[level].pkts_per_interval; + entry->bytes_per_interval = intr_moder_tbl[level].bytes_per_interval; +} Property changes on: vendor-sys/ena-com/dist/ena_com.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_com.h =================================================================== --- vendor-sys/ena-com/dist/ena_com.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_com.h (revision 317516) @@ -0,0 +1,1054 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ENA_COM +#define ENA_COM + +#ifndef ENA_INTERNAL +#include "ena_plat.h" +#else +#include "ena_plat.h" +#include "ena_includes.h" +#endif + +#define ENA_MAX_NUM_IO_QUEUES 128U +/* We need to queues for each IO (on for Tx and one for Rx) */ +#define ENA_TOTAL_NUM_QUEUES (2 * (ENA_MAX_NUM_IO_QUEUES)) + +#define ENA_MAX_HANDLERS 256 + +#define ENA_MAX_PHYS_ADDR_SIZE_BITS 48 + +/* Unit in usec */ +#define ENA_REG_READ_TIMEOUT 200000 + +#define ADMIN_SQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aq_entry)) +#define ADMIN_CQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_acq_entry)) +#define ADMIN_AENQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aenq_entry)) + +/*****************************************************************************/ +/*****************************************************************************/ +/* ENA adaptive interrupt moderation settings */ + +#define ENA_INTR_LOWEST_USECS (0) +#define ENA_INTR_LOWEST_PKTS (3) +#define ENA_INTR_LOWEST_BYTES (2 * 1524) + +#define ENA_INTR_LOW_USECS (32) +#define ENA_INTR_LOW_PKTS (12) +#define ENA_INTR_LOW_BYTES (16 * 1024) + +#define ENA_INTR_MID_USECS (80) +#define ENA_INTR_MID_PKTS (48) +#define ENA_INTR_MID_BYTES (64 * 1024) + +#define ENA_INTR_HIGH_USECS (128) +#define ENA_INTR_HIGH_PKTS (96) +#define ENA_INTR_HIGH_BYTES (128 * 1024) + +#define ENA_INTR_HIGHEST_USECS (192) +#define ENA_INTR_HIGHEST_PKTS (128) +#define ENA_INTR_HIGHEST_BYTES (192 * 1024) + +#define ENA_INTR_INITIAL_TX_INTERVAL_USECS 196 +#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 4 +#define ENA_INTR_DELAY_OLD_VALUE_WEIGHT 6 +#define ENA_INTR_DELAY_NEW_VALUE_WEIGHT 4 +#define ENA_INTR_MODER_LEVEL_STRIDE 1 +#define ENA_INTR_BYTE_COUNT_NOT_SUPPORTED 0xFFFFFF + +#define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF + +enum ena_intr_moder_level { + ENA_INTR_MODER_LOWEST = 0, + ENA_INTR_MODER_LOW, + ENA_INTR_MODER_MID, + ENA_INTR_MODER_HIGH, + ENA_INTR_MODER_HIGHEST, + ENA_INTR_MAX_NUM_OF_LEVELS, +}; + +struct ena_intr_moder_entry { + unsigned int intr_moder_interval; + unsigned int pkts_per_interval; + unsigned int bytes_per_interval; +}; + +enum queue_direction { + ENA_COM_IO_QUEUE_DIRECTION_TX, + ENA_COM_IO_QUEUE_DIRECTION_RX +}; + +struct ena_com_buf { + dma_addr_t paddr; /**< Buffer physical address */ + u16 len; /**< Buffer length in bytes */ +}; + +struct ena_com_rx_buf_info { + u16 len; + u16 req_id; +}; + +struct ena_com_io_desc_addr { + u8 __iomem *pbuf_dev_addr; /* LLQ address */ + u8 *virt_addr; + dma_addr_t phys_addr; + ena_mem_handle_t mem_handle; +}; + +struct ena_com_tx_meta { + u16 mss; + u16 l3_hdr_len; + u16 l3_hdr_offset; + u16 l4_hdr_len; /* In words */ +}; + +struct ena_com_io_cq { + struct ena_com_io_desc_addr cdesc_addr; + void *bus; + + /* Interrupt unmask register */ + u32 __iomem *unmask_reg; + + /* The completion queue head doorbell register */ + u32 __iomem *cq_head_db_reg; + + /* numa configuration register (for TPH) */ + u32 __iomem *numa_node_cfg_reg; + + /* The value to write to the above register to unmask + * the interrupt of this queue + */ + u32 msix_vector; + + enum queue_direction direction; + + /* holds the number of cdesc of the current packet */ + u16 cur_rx_pkt_cdesc_count; + /* save the firt cdesc idx of the current packet */ + u16 cur_rx_pkt_cdesc_start_idx; + + u16 q_depth; + /* Caller qid */ + u16 qid; + + /* Device queue index */ + u16 idx; + u16 head; + u16 last_head_update; + u8 phase; + u8 cdesc_entry_size_in_bytes; + +} ____cacheline_aligned; + +struct ena_com_io_sq { + struct ena_com_io_desc_addr desc_addr; + void *bus; + + u32 __iomem *db_addr; + u8 __iomem *header_addr; + + enum queue_direction direction; + enum ena_admin_placement_policy_type mem_queue_type; + + u32 msix_vector; + struct ena_com_tx_meta cached_tx_meta; + + u16 q_depth; + u16 qid; + + u16 idx; + u16 tail; + u16 next_to_comp; + u32 tx_max_header_size; + u8 phase; + u8 desc_entry_size; + u8 dma_addr_bits; +} ____cacheline_aligned; + +struct ena_com_admin_cq { + struct ena_admin_acq_entry *entries; + ena_mem_handle_t mem_handle; + dma_addr_t dma_addr; + + u16 head; + u8 phase; +}; + +struct ena_com_admin_sq { + struct ena_admin_aq_entry *entries; + ena_mem_handle_t mem_handle; + dma_addr_t dma_addr; + + u32 __iomem *db_addr; + + u16 head; + u16 tail; + u8 phase; + +}; + +struct ena_com_stats_admin { + u32 aborted_cmd; + u32 submitted_cmd; + u32 completed_cmd; + u32 out_of_space; + u32 no_completion; +}; + +struct ena_com_admin_queue { + void *q_dmadev; + void *bus; + ena_spinlock_t q_lock; /* spinlock for the admin queue */ + + struct ena_comp_ctx *comp_ctx; + u32 completion_timeout; + u16 q_depth; + struct ena_com_admin_cq cq; + struct ena_com_admin_sq sq; + + /* Indicate if the admin queue should poll for completion */ + bool polling; + + u16 curr_cmd_id; + + /* Indicate that the ena was initialized and can + * process new admin commands + */ + bool running_state; + + /* Count the number of outstanding admin commands */ + ena_atomic32_t outstanding_cmds; + + struct ena_com_stats_admin stats; +}; + +struct ena_aenq_handlers; + +struct ena_com_aenq { + u16 head; + u8 phase; + struct ena_admin_aenq_entry *entries; + dma_addr_t dma_addr; + ena_mem_handle_t mem_handle; + u16 q_depth; + struct ena_aenq_handlers *aenq_handlers; +}; + +struct ena_com_mmio_read { + struct ena_admin_ena_mmio_req_read_less_resp *read_resp; + dma_addr_t read_resp_dma_addr; + ena_mem_handle_t read_resp_mem_handle; + u32 reg_read_to; /* in us */ + u16 seq_num; + bool readless_supported; + /* spin lock to ensure a single outstanding read */ + ena_spinlock_t lock; +}; + +struct ena_rss { + /* Indirect table */ + u16 *host_rss_ind_tbl; + struct ena_admin_rss_ind_table_entry *rss_ind_tbl; + dma_addr_t rss_ind_tbl_dma_addr; + ena_mem_handle_t rss_ind_tbl_mem_handle; + u16 tbl_log_size; + + /* Hash key */ + enum ena_admin_hash_functions hash_func; + struct ena_admin_feature_rss_flow_hash_control *hash_key; + dma_addr_t hash_key_dma_addr; + ena_mem_handle_t hash_key_mem_handle; + u32 hash_init_val; + + /* Flow Control */ + struct ena_admin_feature_rss_hash_control *hash_ctrl; + dma_addr_t hash_ctrl_dma_addr; + ena_mem_handle_t hash_ctrl_mem_handle; + +}; + +struct ena_host_attribute { + /* Debug area */ + u8 *debug_area_virt_addr; + dma_addr_t debug_area_dma_addr; + ena_mem_handle_t debug_area_dma_handle; + u32 debug_area_size; + + /* Host information */ + struct ena_admin_host_info *host_info; + dma_addr_t host_info_dma_addr; + ena_mem_handle_t host_info_dma_handle; +}; + +/* Each ena_dev is a PCI function. */ +struct ena_com_dev { + struct ena_com_admin_queue admin_queue; + struct ena_com_aenq aenq; + struct ena_com_io_cq io_cq_queues[ENA_TOTAL_NUM_QUEUES]; + struct ena_com_io_sq io_sq_queues[ENA_TOTAL_NUM_QUEUES]; + u8 __iomem *reg_bar; + void __iomem *mem_bar; + void *dmadev; + void *bus; + enum ena_admin_placement_policy_type tx_mem_queue_type; + u32 tx_max_header_size; + u16 stats_func; /* Selected function for extended statistic dump */ + u16 stats_queue; /* Selected queue for extended statistic dump */ + + struct ena_com_mmio_read mmio_read; + + struct ena_rss rss; + u32 supported_features; + u32 dma_addr_bits; + + struct ena_host_attribute host_attr; + bool adaptive_coalescing; + u16 intr_delay_resolution; + u32 intr_moder_tx_interval; + struct ena_intr_moder_entry *intr_moder_tbl; +}; + +struct ena_com_dev_get_features_ctx { + struct ena_admin_queue_feature_desc max_queues; + struct ena_admin_device_attr_feature_desc dev_attr; + struct ena_admin_feature_aenq_desc aenq; + struct ena_admin_feature_offload_desc offload; + struct ena_admin_ena_hw_hints hw_hints; +}; + +struct ena_com_create_io_ctx { + enum ena_admin_placement_policy_type mem_queue_type; + enum queue_direction direction; + int numa_node; + u32 msix_vector; + u16 queue_size; + u16 qid; +}; + +typedef void (*ena_aenq_handler)(void *data, + struct ena_admin_aenq_entry *aenq_e); + +/* Holds aenq handlers. Indexed by AENQ event group */ +struct ena_aenq_handlers { + ena_aenq_handler handlers[ENA_MAX_HANDLERS]; + ena_aenq_handler unimplemented_handler; +}; + +/*****************************************************************************/ +/*****************************************************************************/ +#if defined(__cplusplus) +extern "C" { +#endif + +/* ena_com_mmio_reg_read_request_init - Init the mmio reg read mechanism + * @ena_dev: ENA communication layer struct + * + * Initialize the register read mechanism. + * + * @note: This method must be the first stage in the initialization sequence. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev); + +/* ena_com_set_mmio_read_mode - Enable/disable the mmio reg read mechanism + * @ena_dev: ENA communication layer struct + * @readless_supported: readless mode (enable/disable) + */ +void ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, + bool readless_supported); + +/* ena_com_mmio_reg_read_request_write_dev_addr - Write the mmio reg read return + * value physical address. + * @ena_dev: ENA communication layer struct + */ +void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev); + +/* ena_com_mmio_reg_read_request_destroy - Destroy the mmio reg read mechanism + * @ena_dev: ENA communication layer struct + */ +void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev); + +/* ena_com_admin_init - Init the admin and the async queues + * @ena_dev: ENA communication layer struct + * @aenq_handlers: Those handlers to be called upon event. + * @init_spinlock: Indicate if this method should init the admin spinlock or + * the spinlock was init before (for example, in a case of FLR). + * + * Initialize the admin submission and completion queues. + * Initialize the asynchronous events notification queues. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_admin_init(struct ena_com_dev *ena_dev, + struct ena_aenq_handlers *aenq_handlers, + bool init_spinlock); + +/* ena_com_admin_destroy - Destroy the admin and the async events queues. + * @ena_dev: ENA communication layer struct + * + * @note: Before calling this method, the caller must validate that the device + * won't send any additional admin completions/aenq. + * To achieve that, a FLR is recommended. + */ +void ena_com_admin_destroy(struct ena_com_dev *ena_dev); + +/* ena_com_dev_reset - Perform device FLR to the device. + * @ena_dev: ENA communication layer struct + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_dev_reset(struct ena_com_dev *ena_dev); + +/* ena_com_create_io_queue - Create io queue. + * @ena_dev: ENA communication layer struct + * @ctx - create context structure + * + * Create the submission and the completion queues. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_create_io_queue(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx); + +/* ena_com_destroy_io_queue - Destroy IO queue with the queue id - qid. + * @ena_dev: ENA communication layer struct + * @qid - the caller virtual queue id. + */ +void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid); + +/* ena_com_get_io_handlers - Return the io queue handlers + * @ena_dev: ENA communication layer struct + * @qid - the caller virtual queue id. + * @io_sq - IO submission queue handler + * @io_cq - IO completion queue handler. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_get_io_handlers(struct ena_com_dev *ena_dev, u16 qid, + struct ena_com_io_sq **io_sq, + struct ena_com_io_cq **io_cq); + +/* ena_com_admin_aenq_enable - ENAble asynchronous event notifications + * @ena_dev: ENA communication layer struct + * + * After this method, aenq event can be received via AENQ. + */ +void ena_com_admin_aenq_enable(struct ena_com_dev *ena_dev); + +/* ena_com_set_admin_running_state - Set the state of the admin queue + * @ena_dev: ENA communication layer struct + * + * Change the state of the admin queue (enable/disable) + */ +void ena_com_set_admin_running_state(struct ena_com_dev *ena_dev, bool state); + +/* ena_com_get_admin_running_state - Get the admin queue state + * @ena_dev: ENA communication layer struct + * + * Retrieve the state of the admin queue (enable/disable) + * + * @return - current polling mode (enable/disable) + */ +bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev); + +/* ena_com_set_admin_polling_mode - Set the admin completion queue polling mode + * @ena_dev: ENA communication layer struct + * @polling: ENAble/Disable polling mode + * + * Set the admin completion mode. + */ +void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling); + +/* ena_com_set_admin_polling_mode - Get the admin completion queue polling mode + * @ena_dev: ENA communication layer struct + * + * Get the admin completion mode. + * If polling mode is on, ena_com_execute_admin_command will perform a + * polling on the admin completion queue for the commands completion, + * otherwise it will wait on wait event. + * + * @return state + */ +bool ena_com_get_ena_admin_polling_mode(struct ena_com_dev *ena_dev); + +/* ena_com_admin_q_comp_intr_handler - admin queue interrupt handler + * @ena_dev: ENA communication layer struct + * + * This method go over the admin completion queue and wake up all the pending + * threads that wait on the commands wait event. + * + * @note: Should be called after MSI-X interrupt. + */ +void ena_com_admin_q_comp_intr_handler(struct ena_com_dev *ena_dev); + +/* ena_com_aenq_intr_handler - AENQ interrupt handler + * @ena_dev: ENA communication layer struct + * + * This method go over the async event notification queue and call the proper + * aenq handler. + */ +void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data); + +/* ena_com_abort_admin_commands - Abort all the outstanding admin commands. + * @ena_dev: ENA communication layer struct + * + * This method aborts all the outstanding admin commands. + * The caller should then call ena_com_wait_for_abort_completion to make sure + * all the commands were completed. + */ +void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev); + +/* ena_com_wait_for_abort_completion - Wait for admin commands abort. + * @ena_dev: ENA communication layer struct + * + * This method wait until all the outstanding admin commands will be completed. + */ +void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev); + +/* ena_com_validate_version - Validate the device parameters + * @ena_dev: ENA communication layer struct + * + * This method validate the device parameters are the same as the saved + * parameters in ena_dev. + * This method is useful after device reset, to validate the device mac address + * and the device offloads are the same as before the reset. + * + * @return - 0 on success negative value otherwise. + */ +int ena_com_validate_version(struct ena_com_dev *ena_dev); + +/* ena_com_get_link_params - Retrieve physical link parameters. + * @ena_dev: ENA communication layer struct + * @resp: Link parameters + * + * Retrieve the physical link parameters, + * like speed, auto-negotiation and full duplex support. + * + * @return - 0 on Success negative value otherwise. + */ +int ena_com_get_link_params(struct ena_com_dev *ena_dev, + struct ena_admin_get_feat_resp *resp); + +/* ena_com_get_dma_width - Retrieve physical dma address width the device + * supports. + * @ena_dev: ENA communication layer struct + * + * Retrieve the maximum physical address bits the device can handle. + * + * @return: > 0 on Success and negative value otherwise. + */ +int ena_com_get_dma_width(struct ena_com_dev *ena_dev); + +/* ena_com_set_aenq_config - Set aenq groups configurations + * @ena_dev: ENA communication layer struct + * @groups flag: bit fields flags of enum ena_admin_aenq_group. + * + * Configure which aenq event group the driver would like to receive. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag); + +/* ena_com_get_dev_attr_feat - Get device features + * @ena_dev: ENA communication layer struct + * @get_feat_ctx: returned context that contain the get features. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, + struct ena_com_dev_get_features_ctx *get_feat_ctx); + +/* ena_com_get_dev_basic_stats - Get device basic statistics + * @ena_dev: ENA communication layer struct + * @stats: stats return value + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, + struct ena_admin_basic_stats *stats); + +/* ena_com_set_dev_mtu - Configure the device mtu. + * @ena_dev: ENA communication layer struct + * @mtu: mtu value + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu); + +/* ena_com_get_offload_settings - Retrieve the device offloads capabilities + * @ena_dev: ENA communication layer struct + * @offlad: offload return value + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, + struct ena_admin_feature_offload_desc *offload); + +/* ena_com_rss_init - Init RSS + * @ena_dev: ENA communication layer struct + * @log_size: indirection log size + * + * Allocate RSS/RFS resources. + * The caller then can configure rss using ena_com_set_hash_function, + * ena_com_set_hash_ctrl and ena_com_indirect_table_set. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 log_size); + +/* ena_com_rss_destroy - Destroy rss + * @ena_dev: ENA communication layer struct + * + * Free all the RSS/RFS resources. + */ +void ena_com_rss_destroy(struct ena_com_dev *ena_dev); + +/* ena_com_fill_hash_function - Fill RSS hash function + * @ena_dev: ENA communication layer struct + * @func: The hash function (Toeplitz or crc) + * @key: Hash key (for toeplitz hash) + * @key_len: key length (max length 10 DW) + * @init_val: initial value for the hash function + * + * Fill the ena_dev resources with the desire hash function, hash key, key_len + * and key initial value (if needed by the hash function). + * To flush the key into the device the caller should call + * ena_com_set_hash_function. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions func, + const u8 *key, u16 key_len, u32 init_val); + +/* ena_com_set_hash_function - Flush the hash function and it dependencies to + * the device. + * @ena_dev: ENA communication layer struct + * + * Flush the hash function and it dependencies (key, key length and + * initial value) if needed. + * + * @note: Prior to this method the caller should call ena_com_fill_hash_function + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_hash_function(struct ena_com_dev *ena_dev); + +/* ena_com_get_hash_function - Retrieve the hash function and the hash key + * from the device. + * @ena_dev: ENA communication layer struct + * @func: hash function + * @key: hash key + * + * Retrieve the hash function and the hash key from the device. + * + * @note: If the caller called ena_com_fill_hash_function but didn't flash + * it to the device, the new configuration will be lost. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_hash_function(struct ena_com_dev *ena_dev, + enum ena_admin_hash_functions *func, + u8 *key); + +/* ena_com_fill_hash_ctrl - Fill RSS hash control + * @ena_dev: ENA communication layer struct. + * @proto: The protocol to configure. + * @hash_fields: bit mask of ena_admin_flow_hash_fields + * + * Fill the ena_dev resources with the desire hash control (the ethernet + * fields that take part of the hash) for a specific protocol. + * To flush the hash control to the device, the caller should call + * ena_com_set_hash_ctrl. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 hash_fields); + +/* ena_com_set_hash_ctrl - Flush the hash control resources to the device. + * @ena_dev: ENA communication layer struct + * + * Flush the hash control (the ethernet fields that take part of the hash) + * + * @note: Prior to this method the caller should call ena_com_fill_hash_ctrl. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev); + +/* ena_com_get_hash_ctrl - Retrieve the hash control from the device. + * @ena_dev: ENA communication layer struct + * @proto: The protocol to retrieve. + * @fields: bit mask of ena_admin_flow_hash_fields. + * + * Retrieve the hash control from the device. + * + * @note, If the caller called ena_com_fill_hash_ctrl but didn't flash + * it to the device, the new configuration will be lost. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, + enum ena_admin_flow_hash_proto proto, + u16 *fields); + +/* ena_com_set_default_hash_ctrl - Set the hash control to a default + * configuration. + * @ena_dev: ENA communication layer struct + * + * Fill the ena_dev resources with the default hash control configuration. + * To flush the hash control to the device, the caller should call + * ena_com_set_hash_ctrl. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev); + +/* ena_com_indirect_table_fill_entry - Fill a single entry in the RSS + * indirection table + * @ena_dev: ENA communication layer struct. + * @entry_idx - indirection table entry. + * @entry_value - redirection value + * + * Fill a single entry of the RSS indirection table in the ena_dev resources. + * To flush the indirection table to the device, the called should call + * ena_com_indirect_table_set. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_indirect_table_fill_entry(struct ena_com_dev *ena_dev, + u16 entry_idx, u16 entry_value); + +/* ena_com_indirect_table_set - Flush the indirection table to the device. + * @ena_dev: ENA communication layer struct + * + * Flush the indirection hash control to the device. + * Prior to this method the caller should call ena_com_indirect_table_fill_entry + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_indirect_table_set(struct ena_com_dev *ena_dev); + +/* ena_com_indirect_table_get - Retrieve the indirection table from the device. + * @ena_dev: ENA communication layer struct + * @ind_tbl: indirection table + * + * Retrieve the RSS indirection table from the device. + * + * @note: If the caller called ena_com_indirect_table_fill_entry but didn't flash + * it to the device, the new configuration will be lost. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl); + +/* ena_com_allocate_host_info - Allocate host info resources. + * @ena_dev: ENA communication layer struct + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_allocate_host_info(struct ena_com_dev *ena_dev); + +/* ena_com_allocate_debug_area - Allocate debug area. + * @ena_dev: ENA communication layer struct + * @debug_area_size - debug area size. + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, + u32 debug_area_size); + +/* ena_com_delete_debug_area - Free the debug area resources. + * @ena_dev: ENA communication layer struct + * + * Free the allocate debug area. + */ +void ena_com_delete_debug_area(struct ena_com_dev *ena_dev); + +/* ena_com_delete_host_info - Free the host info resources. + * @ena_dev: ENA communication layer struct + * + * Free the allocate host info. + */ +void ena_com_delete_host_info(struct ena_com_dev *ena_dev); + +/* ena_com_set_host_attributes - Update the device with the host + * attributes (debug area and host info) base address. + * @ena_dev: ENA communication layer struct + * + * @return: 0 on Success and negative value otherwise. + */ +int ena_com_set_host_attributes(struct ena_com_dev *ena_dev); + +/* ena_com_create_io_cq - Create io completion queue. + * @ena_dev: ENA communication layer struct + * @io_cq - io completion queue handler + + * Create IO completion queue. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_create_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq); + +/* ena_com_destroy_io_cq - Destroy io completion queue. + * @ena_dev: ENA communication layer struct + * @io_cq - io completion queue handler + + * Destroy IO completion queue. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_io_cq *io_cq); + +/* ena_com_execute_admin_command - Execute admin command + * @admin_queue: admin queue. + * @cmd: the admin command to execute. + * @cmd_size: the command size. + * @cmd_completion: command completion return value. + * @cmd_comp_size: command completion size. + + * Submit an admin command and then wait until the device will return a + * completion. + * The completion will be copyed into cmd_comp. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size, + struct ena_admin_acq_entry *cmd_comp, + size_t cmd_comp_size); + +/* ena_com_init_interrupt_moderation - Init interrupt moderation + * @ena_dev: ENA communication layer struct + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev); + +/* ena_com_destroy_interrupt_moderation - Destroy interrupt moderation resources + * @ena_dev: ENA communication layer struct + */ +void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev); + +/* ena_com_interrupt_moderation_supported - Return if interrupt moderation + * capability is supported by the device. + * + * @return - supported or not. + */ +bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev); + +/* ena_com_config_default_interrupt_moderation_table - Restore the interrupt + * moderation table back to the default parameters. + * @ena_dev: ENA communication layer struct + */ +void ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev); + +/* ena_com_update_nonadaptive_moderation_interval_tx - Update the + * non-adaptive interval in Tx direction. + * @ena_dev: ENA communication layer struct + * @tx_coalesce_usecs: Interval in usec. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, + u32 tx_coalesce_usecs); + +/* ena_com_update_nonadaptive_moderation_interval_rx - Update the + * non-adaptive interval in Rx direction. + * @ena_dev: ENA communication layer struct + * @rx_coalesce_usecs: Interval in usec. + * + * @return - 0 on success, negative value on failure. + */ +int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, + u32 rx_coalesce_usecs); + +/* ena_com_get_nonadaptive_moderation_interval_tx - Retrieve the + * non-adaptive interval in Tx direction. + * @ena_dev: ENA communication layer struct + * + * @return - interval in usec + */ +unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev); + +/* ena_com_get_nonadaptive_moderation_interval_rx - Retrieve the + * non-adaptive interval in Rx direction. + * @ena_dev: ENA communication layer struct + * + * @return - interval in usec + */ +unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev); + +/* ena_com_init_intr_moderation_entry - Update a single entry in the interrupt + * moderation table. + * @ena_dev: ENA communication layer struct + * @level: Interrupt moderation table level + * @entry: Entry value + * + * Update a single entry in the interrupt moderation table. + */ +void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry); + +/* ena_com_get_intr_moderation_entry - Init ena_intr_moder_entry. + * @ena_dev: ENA communication layer struct + * @level: Interrupt moderation table level + * @entry: Entry to fill. + * + * Initialize the entry according to the adaptive interrupt moderation table. + */ +void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev, + enum ena_intr_moder_level level, + struct ena_intr_moder_entry *entry); + +static inline bool ena_com_get_adaptive_moderation_enabled(struct ena_com_dev *ena_dev) +{ + return ena_dev->adaptive_coalescing; +} + +static inline void ena_com_enable_adaptive_moderation(struct ena_com_dev *ena_dev) +{ + ena_dev->adaptive_coalescing = true; +} + +static inline void ena_com_disable_adaptive_moderation(struct ena_com_dev *ena_dev) +{ + ena_dev->adaptive_coalescing = false; +} + +/* ena_com_calculate_interrupt_delay - Calculate new interrupt delay + * @ena_dev: ENA communication layer struct + * @pkts: Number of packets since the last update + * @bytes: Number of bytes received since the last update. + * @smoothed_interval: Returned interval + * @moder_tbl_idx: Current table level as input update new level as return + * value. + */ +static inline void ena_com_calculate_interrupt_delay(struct ena_com_dev *ena_dev, + unsigned int pkts, + unsigned int bytes, + unsigned int *smoothed_interval, + unsigned int *moder_tbl_idx) +{ + enum ena_intr_moder_level curr_moder_idx, new_moder_idx; + struct ena_intr_moder_entry *curr_moder_entry; + struct ena_intr_moder_entry *pred_moder_entry; + struct ena_intr_moder_entry *new_moder_entry; + struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + unsigned int interval; + + /* We apply adaptive moderation on Rx path only. + * Tx uses static interrupt moderation. + */ + if (!pkts || !bytes) + /* Tx interrupt, or spurious interrupt, + * in both cases we just use same delay values + */ + return; + + curr_moder_idx = (enum ena_intr_moder_level)(*moder_tbl_idx); + if (unlikely(curr_moder_idx >= ENA_INTR_MAX_NUM_OF_LEVELS)) { + ena_trc_err("Wrong moderation index %u\n", curr_moder_idx); + return; + } + + curr_moder_entry = &intr_moder_tbl[curr_moder_idx]; + new_moder_idx = curr_moder_idx; + + if (curr_moder_idx == ENA_INTR_MODER_LOWEST) { + if ((pkts > curr_moder_entry->pkts_per_interval) || + (bytes > curr_moder_entry->bytes_per_interval)) + new_moder_idx = + (enum ena_intr_moder_level)(curr_moder_idx + ENA_INTR_MODER_LEVEL_STRIDE); + } else { + pred_moder_entry = &intr_moder_tbl[curr_moder_idx - ENA_INTR_MODER_LEVEL_STRIDE]; + + if ((pkts <= pred_moder_entry->pkts_per_interval) || + (bytes <= pred_moder_entry->bytes_per_interval)) + new_moder_idx = + (enum ena_intr_moder_level)(curr_moder_idx - ENA_INTR_MODER_LEVEL_STRIDE); + else if ((pkts > curr_moder_entry->pkts_per_interval) || + (bytes > curr_moder_entry->bytes_per_interval)) { + if (curr_moder_idx != ENA_INTR_MODER_HIGHEST) + new_moder_idx = + (enum ena_intr_moder_level)(curr_moder_idx + ENA_INTR_MODER_LEVEL_STRIDE); + } + } + new_moder_entry = &intr_moder_tbl[new_moder_idx]; + + interval = new_moder_entry->intr_moder_interval; + *smoothed_interval = ( + (interval * ENA_INTR_DELAY_NEW_VALUE_WEIGHT + + ENA_INTR_DELAY_OLD_VALUE_WEIGHT * (*smoothed_interval)) + 5) / + 10; + + *moder_tbl_idx = new_moder_idx; +} + +/* ena_com_update_intr_reg - Prepare interrupt register + * @intr_reg: interrupt register to update. + * @rx_delay_interval: Rx interval in usecs + * @tx_delay_interval: Tx interval in usecs + * @unmask: unask enable/disable + * + * Prepare interrupt update register with the supplied parameters. + */ +static inline void ena_com_update_intr_reg(struct ena_eth_io_intr_reg *intr_reg, + u32 rx_delay_interval, + u32 tx_delay_interval, + bool unmask) +{ + intr_reg->intr_control = 0; + intr_reg->intr_control |= rx_delay_interval & + ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; + + intr_reg->intr_control |= + (tx_delay_interval << ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT) + & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK; + + if (unmask) + intr_reg->intr_control |= ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK; +} + +#if defined(__cplusplus) +} +#endif /* __cplusplus */ +#endif /* !(ENA_COM) */ Property changes on: vendor-sys/ena-com/dist/ena_com.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_common_defs.h =================================================================== --- vendor-sys/ena-com/dist/ena_common_defs.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_common_defs.h (revision 317516) @@ -0,0 +1,50 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_COMMON_H_ +#define _ENA_COMMON_H_ + +#define ENA_COMMON_SPEC_VERSION_MAJOR 0 /* */ +#define ENA_COMMON_SPEC_VERSION_MINOR 10 /* */ + +/* ENA operates with 48-bit memory addresses. ena_mem_addr_t */ +struct ena_common_mem_addr { + uint32_t mem_addr_low; + + uint16_t mem_addr_high; + + /* MBZ */ + uint16_t reserved16; +}; + +#endif /*_ENA_COMMON_H_ */ Property changes on: vendor-sys/ena-com/dist/ena_common_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_eth_com.c =================================================================== --- vendor-sys/ena-com/dist/ena_eth_com.c (nonexistent) +++ vendor-sys/ena-com/dist/ena_eth_com.c (revision 317516) @@ -0,0 +1,509 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "ena_eth_com.h" + +static inline struct ena_eth_io_rx_cdesc_base *ena_com_get_next_rx_cdesc( + struct ena_com_io_cq *io_cq) +{ + struct ena_eth_io_rx_cdesc_base *cdesc; + u16 expected_phase, head_masked; + u16 desc_phase; + + head_masked = io_cq->head & (io_cq->q_depth - 1); + expected_phase = io_cq->phase; + + cdesc = (struct ena_eth_io_rx_cdesc_base *)(io_cq->cdesc_addr.virt_addr + + (head_masked * io_cq->cdesc_entry_size_in_bytes)); + + desc_phase = (READ_ONCE(cdesc->status) & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT; + + if (desc_phase != expected_phase) + return NULL; + + return cdesc; +} + +static inline void ena_com_cq_inc_head(struct ena_com_io_cq *io_cq) +{ + io_cq->head++; + + /* Switch phase bit in case of wrap around */ + if (unlikely((io_cq->head & (io_cq->q_depth - 1)) == 0)) + io_cq->phase ^= 1; +} + +static inline void *get_sq_desc(struct ena_com_io_sq *io_sq) +{ + u16 tail_masked; + u32 offset; + + tail_masked = io_sq->tail & (io_sq->q_depth - 1); + + offset = tail_masked * io_sq->desc_entry_size; + + return (void *)((uintptr_t)io_sq->desc_addr.virt_addr + offset); +} + +static inline void ena_com_copy_curr_sq_desc_to_dev(struct ena_com_io_sq *io_sq) +{ + u16 tail_masked = io_sq->tail & (io_sq->q_depth - 1); + u32 offset = tail_masked * io_sq->desc_entry_size; + + /* In case this queue isn't a LLQ */ + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) + return; + + memcpy_toio(io_sq->desc_addr.pbuf_dev_addr + offset, + io_sq->desc_addr.virt_addr + offset, + io_sq->desc_entry_size); +} + +static inline void ena_com_sq_update_tail(struct ena_com_io_sq *io_sq) +{ + io_sq->tail++; + + /* Switch phase bit in case of wrap around */ + if (unlikely((io_sq->tail & (io_sq->q_depth - 1)) == 0)) + io_sq->phase ^= 1; +} + +static inline int ena_com_write_header(struct ena_com_io_sq *io_sq, + u8 *head_src, u16 header_len) +{ + u16 tail_masked = io_sq->tail & (io_sq->q_depth - 1); + u8 __iomem *dev_head_addr = + io_sq->header_addr + (tail_masked * io_sq->tx_max_header_size); + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) + return 0; + + if (unlikely(!io_sq->header_addr)) { + ena_trc_err("Push buffer header ptr is NULL\n"); + return ENA_COM_INVAL; + } + + memcpy_toio(dev_head_addr, head_src, header_len); + + return 0; +} + +static inline struct ena_eth_io_rx_cdesc_base * + ena_com_rx_cdesc_idx_to_ptr(struct ena_com_io_cq *io_cq, u16 idx) +{ + idx &= (io_cq->q_depth - 1); + return (struct ena_eth_io_rx_cdesc_base *) + ((uintptr_t)io_cq->cdesc_addr.virt_addr + + idx * io_cq->cdesc_entry_size_in_bytes); +} + +static inline u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq, + u16 *first_cdesc_idx) +{ + struct ena_eth_io_rx_cdesc_base *cdesc; + u16 count = 0, head_masked; + u32 last = 0; + + do { + cdesc = ena_com_get_next_rx_cdesc(io_cq); + if (!cdesc) + break; + + ena_com_cq_inc_head(io_cq); + count++; + last = (READ_ONCE(cdesc->status) & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT; + } while (!last); + + if (last) { + *first_cdesc_idx = io_cq->cur_rx_pkt_cdesc_start_idx; + count += io_cq->cur_rx_pkt_cdesc_count; + + head_masked = io_cq->head & (io_cq->q_depth - 1); + + io_cq->cur_rx_pkt_cdesc_count = 0; + io_cq->cur_rx_pkt_cdesc_start_idx = head_masked; + + ena_trc_dbg("ena q_id: %d packets were completed. first desc idx %u descs# %d\n", + io_cq->qid, *first_cdesc_idx, count); + } else { + io_cq->cur_rx_pkt_cdesc_count += count; + count = 0; + } + + return count; +} + +static inline bool ena_com_meta_desc_changed(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx) +{ + int rc; + + if (ena_tx_ctx->meta_valid) { + rc = memcmp(&io_sq->cached_tx_meta, + &ena_tx_ctx->ena_meta, + sizeof(struct ena_com_tx_meta)); + + if (unlikely(rc != 0)) + return true; + } + + return false; +} + +static inline void ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx) +{ + struct ena_eth_io_tx_meta_desc *meta_desc = NULL; + struct ena_com_tx_meta *ena_meta = &ena_tx_ctx->ena_meta; + + meta_desc = get_sq_desc(io_sq); + memset(meta_desc, 0x0, sizeof(struct ena_eth_io_tx_meta_desc)); + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_DESC_MASK; + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK; + + /* bits 0-9 of the mss */ + meta_desc->word2 |= (ena_meta->mss << + ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT) & + ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK; + /* bits 10-13 of the mss */ + meta_desc->len_ctrl |= ((ena_meta->mss >> 10) << + ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT) & + ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK; + + /* Extended meta desc */ + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK; + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK; + meta_desc->len_ctrl |= (io_sq->phase << + ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT) & + ENA_ETH_IO_TX_META_DESC_PHASE_MASK; + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_FIRST_MASK; + meta_desc->word2 |= ena_meta->l3_hdr_len & + ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK; + meta_desc->word2 |= (ena_meta->l3_hdr_offset << + ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT) & + ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK; + + meta_desc->word2 |= (ena_meta->l4_hdr_len << + ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT) & + ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK; + + meta_desc->len_ctrl |= ENA_ETH_IO_TX_META_DESC_META_STORE_MASK; + + /* Cached the meta desc */ + memcpy(&io_sq->cached_tx_meta, ena_meta, + sizeof(struct ena_com_tx_meta)); + + ena_com_copy_curr_sq_desc_to_dev(io_sq); + ena_com_sq_update_tail(io_sq); +} + +static inline void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx, + struct ena_eth_io_rx_cdesc_base *cdesc) +{ + ena_rx_ctx->l3_proto = cdesc->status & + ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK; + ena_rx_ctx->l4_proto = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT; + ena_rx_ctx->l3_csum_err = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT; + ena_rx_ctx->l4_csum_err = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT; + ena_rx_ctx->hash = cdesc->hash; + ena_rx_ctx->frag = + (cdesc->status & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK) >> + ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT; + + ena_trc_dbg("ena_rx_ctx->l3_proto %d ena_rx_ctx->l4_proto %d\nena_rx_ctx->l3_csum_err %d ena_rx_ctx->l4_csum_err %d\nhash frag %d frag: %d cdesc_status: %x\n", + ena_rx_ctx->l3_proto, + ena_rx_ctx->l4_proto, + ena_rx_ctx->l3_csum_err, + ena_rx_ctx->l4_csum_err, + ena_rx_ctx->hash, + ena_rx_ctx->frag, + cdesc->status); +} + +/*****************************************************************************/ +/***************************** API **********************************/ +/*****************************************************************************/ + +int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx, + int *nb_hw_desc) +{ + struct ena_eth_io_tx_desc *desc = NULL; + struct ena_com_buf *ena_bufs = ena_tx_ctx->ena_bufs; + void *push_header = ena_tx_ctx->push_header; + u16 header_len = ena_tx_ctx->header_len; + u16 num_bufs = ena_tx_ctx->num_bufs; + int total_desc, i, rc; + bool have_meta; + u64 addr_hi; + + ENA_WARN(io_sq->direction != ENA_COM_IO_QUEUE_DIRECTION_TX, + "wrong Q type"); + + /* num_bufs +1 for potential meta desc */ + if (ena_com_sq_empty_space(io_sq) < (num_bufs + 1)) { + ena_trc_err("Not enough space in the tx queue\n"); + return ENA_COM_NO_MEM; + } + + if (unlikely(header_len > io_sq->tx_max_header_size)) { + ena_trc_err("header size is too large %d max header: %d\n", + header_len, io_sq->tx_max_header_size); + return ENA_COM_INVAL; + } + + /* start with pushing the header (if needed) */ + rc = ena_com_write_header(io_sq, push_header, header_len); + if (unlikely(rc)) + return rc; + + have_meta = ena_tx_ctx->meta_valid && ena_com_meta_desc_changed(io_sq, + ena_tx_ctx); + if (have_meta) + ena_com_create_and_store_tx_meta_desc(io_sq, ena_tx_ctx); + + /* If the caller doesn't want send packets */ + if (unlikely(!num_bufs && !header_len)) { + *nb_hw_desc = have_meta ? 0 : 1; + return 0; + } + + desc = get_sq_desc(io_sq); + memset(desc, 0x0, sizeof(struct ena_eth_io_tx_desc)); + + /* Set first desc when we don't have meta descriptor */ + if (!have_meta) + desc->len_ctrl |= ENA_ETH_IO_TX_DESC_FIRST_MASK; + + desc->buff_addr_hi_hdr_sz |= (header_len << + ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT) & + ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK; + desc->len_ctrl |= (io_sq->phase << ENA_ETH_IO_TX_DESC_PHASE_SHIFT) & + ENA_ETH_IO_TX_DESC_PHASE_MASK; + + desc->len_ctrl |= ENA_ETH_IO_TX_DESC_COMP_REQ_MASK; + + /* Bits 0-9 */ + desc->meta_ctrl |= (ena_tx_ctx->req_id << + ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT) & + ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK; + + desc->meta_ctrl |= (ena_tx_ctx->df << + ENA_ETH_IO_TX_DESC_DF_SHIFT) & + ENA_ETH_IO_TX_DESC_DF_MASK; + + /* Bits 10-15 */ + desc->len_ctrl |= ((ena_tx_ctx->req_id >> 10) << + ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT) & + ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK; + + if (ena_tx_ctx->meta_valid) { + desc->meta_ctrl |= (ena_tx_ctx->tso_enable << + ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT) & + ENA_ETH_IO_TX_DESC_TSO_EN_MASK; + desc->meta_ctrl |= ena_tx_ctx->l3_proto & + ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l4_proto << + ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT) & + ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l3_csum_enable << + ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT) & + ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l4_csum_enable << + ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT) & + ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK; + desc->meta_ctrl |= (ena_tx_ctx->l4_csum_partial << + ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT) & + ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK; + } + + for (i = 0; i < num_bufs; i++) { + /* The first desc share the same desc as the header */ + if (likely(i != 0)) { + ena_com_copy_curr_sq_desc_to_dev(io_sq); + ena_com_sq_update_tail(io_sq); + + desc = get_sq_desc(io_sq); + memset(desc, 0x0, sizeof(struct ena_eth_io_tx_desc)); + + desc->len_ctrl |= (io_sq->phase << + ENA_ETH_IO_TX_DESC_PHASE_SHIFT) & + ENA_ETH_IO_TX_DESC_PHASE_MASK; + } + + desc->len_ctrl |= ena_bufs->len & + ENA_ETH_IO_TX_DESC_LENGTH_MASK; + + addr_hi = ((ena_bufs->paddr & + GENMASK_ULL(io_sq->dma_addr_bits - 1, 32)) >> 32); + + desc->buff_addr_lo = (u32)ena_bufs->paddr; + desc->buff_addr_hi_hdr_sz |= addr_hi & + ENA_ETH_IO_TX_DESC_ADDR_HI_MASK; + ena_bufs++; + } + + /* set the last desc indicator */ + desc->len_ctrl |= ENA_ETH_IO_TX_DESC_LAST_MASK; + + ena_com_copy_curr_sq_desc_to_dev(io_sq); + + ena_com_sq_update_tail(io_sq); + + total_desc = ENA_MAX16(num_bufs, 1); + total_desc += have_meta ? 1 : 0; + + *nb_hw_desc = total_desc; + return 0; +} + +int ena_com_rx_pkt(struct ena_com_io_cq *io_cq, + struct ena_com_io_sq *io_sq, + struct ena_com_rx_ctx *ena_rx_ctx) +{ + struct ena_com_rx_buf_info *ena_buf = &ena_rx_ctx->ena_bufs[0]; + struct ena_eth_io_rx_cdesc_base *cdesc = NULL; + u16 cdesc_idx = 0; + u16 nb_hw_desc; + u16 i; + + ENA_WARN(io_cq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX, + "wrong Q type"); + + nb_hw_desc = ena_com_cdesc_rx_pkt_get(io_cq, &cdesc_idx); + if (nb_hw_desc == 0) { + ena_rx_ctx->descs = nb_hw_desc; + return 0; + } + + ena_trc_dbg("fetch rx packet: queue %d completed desc: %d\n", + io_cq->qid, nb_hw_desc); + + if (unlikely(nb_hw_desc > ena_rx_ctx->max_bufs)) { + ena_trc_err("Too many RX cdescs (%d) > MAX(%d)\n", + nb_hw_desc, ena_rx_ctx->max_bufs); + return ENA_COM_NO_SPACE; + } + + for (i = 0; i < nb_hw_desc; i++) { + cdesc = ena_com_rx_cdesc_idx_to_ptr(io_cq, cdesc_idx + i); + + ena_buf->len = cdesc->length; + ena_buf->req_id = cdesc->req_id; + ena_buf++; + } + + /* Update SQ head ptr */ + io_sq->next_to_comp += nb_hw_desc; + + ena_trc_dbg("[%s][QID#%d] Updating SQ head to: %d\n", __func__, + io_sq->qid, io_sq->next_to_comp); + + /* Get rx flags from the last pkt */ + ena_com_rx_set_flags(ena_rx_ctx, cdesc); + + ena_rx_ctx->descs = nb_hw_desc; + return 0; +} + +int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq, + struct ena_com_buf *ena_buf, + u16 req_id) +{ + struct ena_eth_io_rx_desc *desc; + + ENA_WARN(io_sq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX, + "wrong Q type"); + + if (unlikely(ena_com_sq_empty_space(io_sq) == 0)) + return ENA_COM_NO_SPACE; + + desc = get_sq_desc(io_sq); + memset(desc, 0x0, sizeof(struct ena_eth_io_rx_desc)); + + desc->length = ena_buf->len; + + desc->ctrl |= ENA_ETH_IO_RX_DESC_FIRST_MASK; + desc->ctrl |= ENA_ETH_IO_RX_DESC_LAST_MASK; + desc->ctrl |= io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK; + desc->ctrl |= ENA_ETH_IO_RX_DESC_COMP_REQ_MASK; + + desc->req_id = req_id; + + desc->buff_addr_lo = (u32)ena_buf->paddr; + desc->buff_addr_hi = + ((ena_buf->paddr & GENMASK_ULL(io_sq->dma_addr_bits - 1, 32)) >> 32); + + ena_com_sq_update_tail(io_sq); + + return 0; +} + +int ena_com_tx_comp_req_id_get(struct ena_com_io_cq *io_cq, u16 *req_id) +{ + u8 expected_phase, cdesc_phase; + struct ena_eth_io_tx_cdesc *cdesc; + u16 masked_head; + + masked_head = io_cq->head & (io_cq->q_depth - 1); + expected_phase = io_cq->phase; + + cdesc = (struct ena_eth_io_tx_cdesc *) + ((uintptr_t)io_cq->cdesc_addr.virt_addr + + (masked_head * io_cq->cdesc_entry_size_in_bytes)); + + /* When the current completion descriptor phase isn't the same as the + * expected, it mean that the device still didn't update + * this completion. + */ + cdesc_phase = READ_ONCE(cdesc->flags) & ENA_ETH_IO_TX_CDESC_PHASE_MASK; + if (cdesc_phase != expected_phase) + return ENA_COM_TRY_AGAIN; + + ena_com_cq_inc_head(io_cq); + + *req_id = READ_ONCE(cdesc->req_id); + + return 0; +} Property changes on: vendor-sys/ena-com/dist/ena_eth_com.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_eth_com.h =================================================================== --- vendor-sys/ena-com/dist/ena_eth_com.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_eth_com.h (revision 317516) @@ -0,0 +1,167 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ENA_ETH_COM_H_ +#define ENA_ETH_COM_H_ + +#if defined(__cplusplus) +extern "C" { +#endif +#include "ena_com.h" + +/* head update threshold in units of (queue size / ENA_COMP_HEAD_THRESH) */ +#define ENA_COMP_HEAD_THRESH 4 + +struct ena_com_tx_ctx { + struct ena_com_tx_meta ena_meta; + struct ena_com_buf *ena_bufs; + /* For LLQ, header buffer - pushed to the device mem space */ + void *push_header; + + enum ena_eth_io_l3_proto_index l3_proto; + enum ena_eth_io_l4_proto_index l4_proto; + u16 num_bufs; + u16 req_id; + /* For regular queue, indicate the size of the header + * For LLQ, indicate the size of the pushed buffer + */ + u16 header_len; + + u8 meta_valid; + u8 tso_enable; + u8 l3_csum_enable; + u8 l4_csum_enable; + u8 l4_csum_partial; + u8 df; /* Don't fragment */ +}; + +struct ena_com_rx_ctx { + struct ena_com_rx_buf_info *ena_bufs; + enum ena_eth_io_l3_proto_index l3_proto; + enum ena_eth_io_l4_proto_index l4_proto; + bool l3_csum_err; + bool l4_csum_err; + /* fragmented packet */ + bool frag; + u32 hash; + u16 descs; + int max_bufs; +}; + +int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, + struct ena_com_tx_ctx *ena_tx_ctx, + int *nb_hw_desc); + +int ena_com_rx_pkt(struct ena_com_io_cq *io_cq, + struct ena_com_io_sq *io_sq, + struct ena_com_rx_ctx *ena_rx_ctx); + +int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq, + struct ena_com_buf *ena_buf, + u16 req_id); + +int ena_com_tx_comp_req_id_get(struct ena_com_io_cq *io_cq, u16 *req_id); + +static inline void ena_com_unmask_intr(struct ena_com_io_cq *io_cq, + struct ena_eth_io_intr_reg *intr_reg) +{ + ENA_REG_WRITE32(io_cq->bus, intr_reg->intr_control, io_cq->unmask_reg); +} + +static inline int ena_com_sq_empty_space(struct ena_com_io_sq *io_sq) +{ + u16 tail, next_to_comp, cnt; + + next_to_comp = io_sq->next_to_comp; + tail = io_sq->tail; + cnt = tail - next_to_comp; + + return io_sq->q_depth - 1 - cnt; +} + +static inline int ena_com_write_sq_doorbell(struct ena_com_io_sq *io_sq) +{ + u16 tail; + + tail = io_sq->tail; + + ena_trc_dbg("write submission queue doorbell for queue: %d tail: %d\n", + io_sq->qid, tail); + + ENA_REG_WRITE32(io_sq->bus, tail, io_sq->db_addr); + + return 0; +} + +static inline int ena_com_update_dev_comp_head(struct ena_com_io_cq *io_cq) +{ + u16 unreported_comp, head; + bool need_update; + + head = io_cq->head; + unreported_comp = head - io_cq->last_head_update; + need_update = unreported_comp > (io_cq->q_depth / ENA_COMP_HEAD_THRESH); + + if (io_cq->cq_head_db_reg && need_update) { + ena_trc_dbg("Write completion queue doorbell for queue %d: head: %d\n", + io_cq->qid, head); + ENA_REG_WRITE32(io_cq->bus, head, io_cq->cq_head_db_reg); + io_cq->last_head_update = head; + } + + return 0; +} + +static inline void ena_com_update_numa_node(struct ena_com_io_cq *io_cq, + u8 numa_node) +{ + struct ena_eth_io_numa_node_cfg_reg numa_cfg; + + if (!io_cq->numa_node_cfg_reg) + return; + + numa_cfg.numa_cfg = (numa_node & ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK) + | ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK; + + ENA_REG_WRITE32(io_cq->bus, numa_cfg.numa_cfg, io_cq->numa_node_cfg_reg); +} + +static inline void ena_com_comp_ack(struct ena_com_io_sq *io_sq, u16 elem) +{ + io_sq->next_to_comp += elem; +} + +#if defined(__cplusplus) +} +#endif +#endif /* ENA_ETH_COM_H_ */ Property changes on: vendor-sys/ena-com/dist/ena_eth_com.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_eth_io_defs.h =================================================================== --- vendor-sys/ena-com/dist/ena_eth_io_defs.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_eth_io_defs.h (revision 317516) @@ -0,0 +1,960 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_ETH_IO_H_ +#define _ENA_ETH_IO_H_ + +enum ena_eth_io_l3_proto_index { + ENA_ETH_IO_L3_PROTO_UNKNOWN = 0, + + ENA_ETH_IO_L3_PROTO_IPV4 = 8, + + ENA_ETH_IO_L3_PROTO_IPV6 = 11, + + ENA_ETH_IO_L3_PROTO_FCOE = 21, + + ENA_ETH_IO_L3_PROTO_ROCE = 22, +}; + +enum ena_eth_io_l4_proto_index { + ENA_ETH_IO_L4_PROTO_UNKNOWN = 0, + + ENA_ETH_IO_L4_PROTO_TCP = 12, + + ENA_ETH_IO_L4_PROTO_UDP = 13, + + ENA_ETH_IO_L4_PROTO_ROUTEABLE_ROCE = 23, +}; + +struct ena_eth_io_tx_desc { + /* 15:0 : length - Buffer length in bytes, must + * include any packet trailers that the ENA supposed + * to update like End-to-End CRC, Authentication GMAC + * etc. This length must not include the + * 'Push_Buffer' length. This length must not include + * the 4-byte added in the end for 802.3 Ethernet FCS + * 21:16 : req_id_hi - Request ID[15:10] + * 22 : reserved22 - MBZ + * 23 : meta_desc - MBZ + * 24 : phase + * 25 : reserved1 - MBZ + * 26 : first - Indicates first descriptor in + * transaction + * 27 : last - Indicates last descriptor in + * transaction + * 28 : comp_req - Indicates whether completion + * should be posted, after packet is transmitted. + * Valid only for first descriptor + * 30:29 : reserved29 - MBZ + * 31 : reserved31 - MBZ + */ + uint32_t len_ctrl; + + /* 3:0 : l3_proto_idx - L3 protocol. This field + * required when l3_csum_en,l3_csum or tso_en are set. + * 4 : DF - IPv4 DF, must be 0 if packet is IPv4 and + * DF flags of the IPv4 header is 0. Otherwise must + * be set to 1 + * 6:5 : reserved5 + * 7 : tso_en - Enable TSO, For TCP only. + * 12:8 : l4_proto_idx - L4 protocol. This field need + * to be set when l4_csum_en or tso_en are set. + * 13 : l3_csum_en - enable IPv4 header checksum. + * 14 : l4_csum_en - enable TCP/UDP checksum. + * 15 : ethernet_fcs_dis - when set, the controller + * will not append the 802.3 Ethernet Frame Check + * Sequence to the packet + * 16 : reserved16 + * 17 : l4_csum_partial - L4 partial checksum. when + * set to 0, the ENA calculates the L4 checksum, + * where the Destination Address required for the + * TCP/UDP pseudo-header is taken from the actual + * packet L3 header. when set to 1, the ENA doesn't + * calculate the sum of the pseudo-header, instead, + * the checksum field of the L4 is used instead. When + * TSO enabled, the checksum of the pseudo-header + * must not include the tcp length field. L4 partial + * checksum should be used for IPv6 packet that + * contains Routing Headers. + * 20:18 : reserved18 - MBZ + * 21 : reserved21 - MBZ + * 31:22 : req_id_lo - Request ID[9:0] + */ + uint32_t meta_ctrl; + + uint32_t buff_addr_lo; + + /* address high and header size + * 15:0 : addr_hi - Buffer Pointer[47:32] + * 23:16 : reserved16_w2 + * 31:24 : header_length - Header length. For Low + * Latency Queues, this fields indicates the number + * of bytes written to the headers' memory. For + * normal queues, if packet is TCP or UDP, and longer + * than max_header_size, then this field should be + * set to the sum of L4 header offset and L4 header + * size(without options), otherwise, this field + * should be set to 0. For both modes, this field + * must not exceed the max_header_size. + * max_header_size value is reported by the Max + * Queues Feature descriptor + */ + uint32_t buff_addr_hi_hdr_sz; +}; + +struct ena_eth_io_tx_meta_desc { + /* 9:0 : req_id_lo - Request ID[9:0] + * 11:10 : reserved10 - MBZ + * 12 : reserved12 - MBZ + * 13 : reserved13 - MBZ + * 14 : ext_valid - if set, offset fields in Word2 + * are valid Also MSS High in Word 0 and bits [31:24] + * in Word 3 + * 15 : reserved15 + * 19:16 : mss_hi + * 20 : eth_meta_type - 0: Tx Metadata Descriptor, 1: + * Extended Metadata Descriptor + * 21 : meta_store - Store extended metadata in queue + * cache + * 22 : reserved22 - MBZ + * 23 : meta_desc - MBO + * 24 : phase + * 25 : reserved25 - MBZ + * 26 : first - Indicates first descriptor in + * transaction + * 27 : last - Indicates last descriptor in + * transaction + * 28 : comp_req - Indicates whether completion + * should be posted, after packet is transmitted. + * Valid only for first descriptor + * 30:29 : reserved29 - MBZ + * 31 : reserved31 - MBZ + */ + uint32_t len_ctrl; + + /* 5:0 : req_id_hi + * 31:6 : reserved6 - MBZ + */ + uint32_t word1; + + /* 7:0 : l3_hdr_len + * 15:8 : l3_hdr_off + * 21:16 : l4_hdr_len_in_words - counts the L4 header + * length in words. there is an explicit assumption + * that L4 header appears right after L3 header and + * L4 offset is based on l3_hdr_off+l3_hdr_len + * 31:22 : mss_lo + */ + uint32_t word2; + + uint32_t reserved; +}; + +struct ena_eth_io_tx_cdesc { + /* Request ID[15:0] */ + uint16_t req_id; + + uint8_t status; + + /* flags + * 0 : phase + * 7:1 : reserved1 + */ + uint8_t flags; + + uint16_t sub_qid; + + uint16_t sq_head_idx; +}; + +struct ena_eth_io_rx_desc { + /* In bytes. 0 means 64KB */ + uint16_t length; + + /* MBZ */ + uint8_t reserved2; + + /* 0 : phase + * 1 : reserved1 - MBZ + * 2 : first - Indicates first descriptor in + * transaction + * 3 : last - Indicates last descriptor in transaction + * 4 : comp_req + * 5 : reserved5 - MBO + * 7:6 : reserved6 - MBZ + */ + uint8_t ctrl; + + uint16_t req_id; + + /* MBZ */ + uint16_t reserved6; + + uint32_t buff_addr_lo; + + uint16_t buff_addr_hi; + + /* MBZ */ + uint16_t reserved16_w3; +}; + +/* 4-word format Note: all ethernet parsing information are valid only when + * last=1 + */ +struct ena_eth_io_rx_cdesc_base { + /* 4:0 : l3_proto_idx + * 6:5 : src_vlan_cnt + * 7 : reserved7 - MBZ + * 12:8 : l4_proto_idx + * 13 : l3_csum_err - when set, either the L3 + * checksum error detected, or, the controller didn't + * validate the checksum. This bit is valid only when + * l3_proto_idx indicates IPv4 packet + * 14 : l4_csum_err - when set, either the L4 + * checksum error detected, or, the controller didn't + * validate the checksum. This bit is valid only when + * l4_proto_idx indicates TCP/UDP packet, and, + * ipv4_frag is not set + * 15 : ipv4_frag - Indicates IPv4 fragmented packet + * 23:16 : reserved16 + * 24 : phase + * 25 : l3_csum2 - second checksum engine result + * 26 : first - Indicates first descriptor in + * transaction + * 27 : last - Indicates last descriptor in + * transaction + * 29:28 : reserved28 + * 30 : buffer - 0: Metadata descriptor. 1: Buffer + * Descriptor was used + * 31 : reserved31 + */ + uint32_t status; + + uint16_t length; + + uint16_t req_id; + + /* 32-bit hash result */ + uint32_t hash; + + uint16_t sub_qid; + + uint16_t reserved; +}; + +/* 8-word format */ +struct ena_eth_io_rx_cdesc_ext { + struct ena_eth_io_rx_cdesc_base base; + + uint32_t buff_addr_lo; + + uint16_t buff_addr_hi; + + uint16_t reserved16; + + uint32_t reserved_w6; + + uint32_t reserved_w7; +}; + +struct ena_eth_io_intr_reg { + /* 14:0 : rx_intr_delay + * 29:15 : tx_intr_delay + * 30 : intr_unmask + * 31 : reserved + */ + uint32_t intr_control; +}; + +struct ena_eth_io_numa_node_cfg_reg { + /* 7:0 : numa + * 30:8 : reserved + * 31 : enabled + */ + uint32_t numa_cfg; +}; + +/* tx_desc */ +#define ENA_ETH_IO_TX_DESC_LENGTH_MASK GENMASK(15, 0) +#define ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT 16 +#define ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK GENMASK(21, 16) +#define ENA_ETH_IO_TX_DESC_META_DESC_SHIFT 23 +#define ENA_ETH_IO_TX_DESC_META_DESC_MASK BIT(23) +#define ENA_ETH_IO_TX_DESC_PHASE_SHIFT 24 +#define ENA_ETH_IO_TX_DESC_PHASE_MASK BIT(24) +#define ENA_ETH_IO_TX_DESC_FIRST_SHIFT 26 +#define ENA_ETH_IO_TX_DESC_FIRST_MASK BIT(26) +#define ENA_ETH_IO_TX_DESC_LAST_SHIFT 27 +#define ENA_ETH_IO_TX_DESC_LAST_MASK BIT(27) +#define ENA_ETH_IO_TX_DESC_COMP_REQ_SHIFT 28 +#define ENA_ETH_IO_TX_DESC_COMP_REQ_MASK BIT(28) +#define ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK GENMASK(3, 0) +#define ENA_ETH_IO_TX_DESC_DF_SHIFT 4 +#define ENA_ETH_IO_TX_DESC_DF_MASK BIT(4) +#define ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT 7 +#define ENA_ETH_IO_TX_DESC_TSO_EN_MASK BIT(7) +#define ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT 8 +#define ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK GENMASK(12, 8) +#define ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT 13 +#define ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK BIT(13) +#define ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT 14 +#define ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK BIT(14) +#define ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_SHIFT 15 +#define ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_MASK BIT(15) +#define ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT 17 +#define ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK BIT(17) +#define ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT 22 +#define ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK GENMASK(31, 22) +#define ENA_ETH_IO_TX_DESC_ADDR_HI_MASK GENMASK(15, 0) +#define ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT 24 +#define ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK GENMASK(31, 24) + +/* tx_meta_desc */ +#define ENA_ETH_IO_TX_META_DESC_REQ_ID_LO_MASK GENMASK(9, 0) +#define ENA_ETH_IO_TX_META_DESC_EXT_VALID_SHIFT 14 +#define ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK BIT(14) +#define ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT 16 +#define ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK GENMASK(19, 16) +#define ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_SHIFT 20 +#define ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK BIT(20) +#define ENA_ETH_IO_TX_META_DESC_META_STORE_SHIFT 21 +#define ENA_ETH_IO_TX_META_DESC_META_STORE_MASK BIT(21) +#define ENA_ETH_IO_TX_META_DESC_META_DESC_SHIFT 23 +#define ENA_ETH_IO_TX_META_DESC_META_DESC_MASK BIT(23) +#define ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT 24 +#define ENA_ETH_IO_TX_META_DESC_PHASE_MASK BIT(24) +#define ENA_ETH_IO_TX_META_DESC_FIRST_SHIFT 26 +#define ENA_ETH_IO_TX_META_DESC_FIRST_MASK BIT(26) +#define ENA_ETH_IO_TX_META_DESC_LAST_SHIFT 27 +#define ENA_ETH_IO_TX_META_DESC_LAST_MASK BIT(27) +#define ENA_ETH_IO_TX_META_DESC_COMP_REQ_SHIFT 28 +#define ENA_ETH_IO_TX_META_DESC_COMP_REQ_MASK BIT(28) +#define ENA_ETH_IO_TX_META_DESC_REQ_ID_HI_MASK GENMASK(5, 0) +#define ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK GENMASK(7, 0) +#define ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT 8 +#define ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK GENMASK(15, 8) +#define ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT 16 +#define ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK GENMASK(21, 16) +#define ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT 22 +#define ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK GENMASK(31, 22) + +/* tx_cdesc */ +#define ENA_ETH_IO_TX_CDESC_PHASE_MASK BIT(0) + +/* rx_desc */ +#define ENA_ETH_IO_RX_DESC_PHASE_MASK BIT(0) +#define ENA_ETH_IO_RX_DESC_FIRST_SHIFT 2 +#define ENA_ETH_IO_RX_DESC_FIRST_MASK BIT(2) +#define ENA_ETH_IO_RX_DESC_LAST_SHIFT 3 +#define ENA_ETH_IO_RX_DESC_LAST_MASK BIT(3) +#define ENA_ETH_IO_RX_DESC_COMP_REQ_SHIFT 4 +#define ENA_ETH_IO_RX_DESC_COMP_REQ_MASK BIT(4) + +/* rx_cdesc_base */ +#define ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK GENMASK(4, 0) +#define ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_SHIFT 5 +#define ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_MASK GENMASK(6, 5) +#define ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT 8 +#define ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK GENMASK(12, 8) +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT 13 +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK BIT(13) +#define ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT 14 +#define ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK BIT(14) +#define ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT 15 +#define ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK BIT(15) +#define ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT 24 +#define ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK BIT(24) +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_SHIFT 25 +#define ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_MASK BIT(25) +#define ENA_ETH_IO_RX_CDESC_BASE_FIRST_SHIFT 26 +#define ENA_ETH_IO_RX_CDESC_BASE_FIRST_MASK BIT(26) +#define ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT 27 +#define ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK BIT(27) +#define ENA_ETH_IO_RX_CDESC_BASE_BUFFER_SHIFT 30 +#define ENA_ETH_IO_RX_CDESC_BASE_BUFFER_MASK BIT(30) + +/* intr_reg */ +#define ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK GENMASK(14, 0) +#define ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT 15 +#define ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK GENMASK(29, 15) +#define ENA_ETH_IO_INTR_REG_INTR_UNMASK_SHIFT 30 +#define ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK BIT(30) + +/* numa_node_cfg_reg */ +#define ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK GENMASK(7, 0) +#define ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT 31 +#define ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK BIT(31) + +#if !defined(ENA_DEFS_LINUX_MAINLINE) +static inline uint32_t get_ena_eth_io_tx_desc_length(const struct ena_eth_io_tx_desc *p) +{ + return p->len_ctrl & ENA_ETH_IO_TX_DESC_LENGTH_MASK; +} + +static inline void set_ena_eth_io_tx_desc_length(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= val & ENA_ETH_IO_TX_DESC_LENGTH_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_req_id_hi(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK) >> ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_req_id_hi(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_REQ_ID_HI_SHIFT) & ENA_ETH_IO_TX_DESC_REQ_ID_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_meta_desc(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_META_DESC_MASK) >> ENA_ETH_IO_TX_DESC_META_DESC_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_meta_desc(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_META_DESC_SHIFT) & ENA_ETH_IO_TX_DESC_META_DESC_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_phase(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_PHASE_MASK) >> ENA_ETH_IO_TX_DESC_PHASE_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_phase(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_PHASE_SHIFT) & ENA_ETH_IO_TX_DESC_PHASE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_first(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_FIRST_MASK) >> ENA_ETH_IO_TX_DESC_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_first(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_FIRST_SHIFT) & ENA_ETH_IO_TX_DESC_FIRST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_last(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_LAST_MASK) >> ENA_ETH_IO_TX_DESC_LAST_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_last(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_LAST_SHIFT) & ENA_ETH_IO_TX_DESC_LAST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_comp_req(const struct ena_eth_io_tx_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_DESC_COMP_REQ_MASK) >> ENA_ETH_IO_TX_DESC_COMP_REQ_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_comp_req(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_DESC_COMP_REQ_SHIFT) & ENA_ETH_IO_TX_DESC_COMP_REQ_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l3_proto_idx(const struct ena_eth_io_tx_desc *p) +{ + return p->meta_ctrl & ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK; +} + +static inline void set_ena_eth_io_tx_desc_l3_proto_idx(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= val & ENA_ETH_IO_TX_DESC_L3_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_DF(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_DF_MASK) >> ENA_ETH_IO_TX_DESC_DF_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_DF(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_DF_SHIFT) & ENA_ETH_IO_TX_DESC_DF_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_tso_en(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_TSO_EN_MASK) >> ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_tso_en(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_TSO_EN_SHIFT) & ENA_ETH_IO_TX_DESC_TSO_EN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l4_proto_idx(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK) >> ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l4_proto_idx(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_SHIFT) & ENA_ETH_IO_TX_DESC_L4_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l3_csum_en(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK) >> ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l3_csum_en(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L3_CSUM_EN_SHIFT) & ENA_ETH_IO_TX_DESC_L3_CSUM_EN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l4_csum_en(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK) >> ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l4_csum_en(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L4_CSUM_EN_SHIFT) & ENA_ETH_IO_TX_DESC_L4_CSUM_EN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_ethernet_fcs_dis(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_MASK) >> ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_ethernet_fcs_dis(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_SHIFT) & ENA_ETH_IO_TX_DESC_ETHERNET_FCS_DIS_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_l4_csum_partial(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK) >> ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_l4_csum_partial(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_SHIFT) & ENA_ETH_IO_TX_DESC_L4_CSUM_PARTIAL_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_req_id_lo(const struct ena_eth_io_tx_desc *p) +{ + return (p->meta_ctrl & ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK) >> ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_req_id_lo(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->meta_ctrl |= (val << ENA_ETH_IO_TX_DESC_REQ_ID_LO_SHIFT) & ENA_ETH_IO_TX_DESC_REQ_ID_LO_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_addr_hi(const struct ena_eth_io_tx_desc *p) +{ + return p->buff_addr_hi_hdr_sz & ENA_ETH_IO_TX_DESC_ADDR_HI_MASK; +} + +static inline void set_ena_eth_io_tx_desc_addr_hi(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->buff_addr_hi_hdr_sz |= val & ENA_ETH_IO_TX_DESC_ADDR_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_desc_header_length(const struct ena_eth_io_tx_desc *p) +{ + return (p->buff_addr_hi_hdr_sz & ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK) >> ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT; +} + +static inline void set_ena_eth_io_tx_desc_header_length(struct ena_eth_io_tx_desc *p, uint32_t val) +{ + p->buff_addr_hi_hdr_sz |= (val << ENA_ETH_IO_TX_DESC_HEADER_LENGTH_SHIFT) & ENA_ETH_IO_TX_DESC_HEADER_LENGTH_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_req_id_lo(const struct ena_eth_io_tx_meta_desc *p) +{ + return p->len_ctrl & ENA_ETH_IO_TX_META_DESC_REQ_ID_LO_MASK; +} + +static inline void set_ena_eth_io_tx_meta_desc_req_id_lo(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= val & ENA_ETH_IO_TX_META_DESC_REQ_ID_LO_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_ext_valid(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK) >> ENA_ETH_IO_TX_META_DESC_EXT_VALID_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_ext_valid(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_EXT_VALID_SHIFT) & ENA_ETH_IO_TX_META_DESC_EXT_VALID_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_mss_hi(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK) >> ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_mss_hi(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_MSS_HI_SHIFT) & ENA_ETH_IO_TX_META_DESC_MSS_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_eth_meta_type(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK) >> ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_eth_meta_type(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_SHIFT) & ENA_ETH_IO_TX_META_DESC_ETH_META_TYPE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_meta_store(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_META_STORE_MASK) >> ENA_ETH_IO_TX_META_DESC_META_STORE_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_meta_store(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_META_STORE_SHIFT) & ENA_ETH_IO_TX_META_DESC_META_STORE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_meta_desc(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_META_DESC_MASK) >> ENA_ETH_IO_TX_META_DESC_META_DESC_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_meta_desc(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_META_DESC_SHIFT) & ENA_ETH_IO_TX_META_DESC_META_DESC_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_phase(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_PHASE_MASK) >> ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_phase(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_PHASE_SHIFT) & ENA_ETH_IO_TX_META_DESC_PHASE_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_first(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_FIRST_MASK) >> ENA_ETH_IO_TX_META_DESC_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_first(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_FIRST_SHIFT) & ENA_ETH_IO_TX_META_DESC_FIRST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_last(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_LAST_MASK) >> ENA_ETH_IO_TX_META_DESC_LAST_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_last(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_LAST_SHIFT) & ENA_ETH_IO_TX_META_DESC_LAST_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_comp_req(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->len_ctrl & ENA_ETH_IO_TX_META_DESC_COMP_REQ_MASK) >> ENA_ETH_IO_TX_META_DESC_COMP_REQ_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_comp_req(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->len_ctrl |= (val << ENA_ETH_IO_TX_META_DESC_COMP_REQ_SHIFT) & ENA_ETH_IO_TX_META_DESC_COMP_REQ_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_req_id_hi(const struct ena_eth_io_tx_meta_desc *p) +{ + return p->word1 & ENA_ETH_IO_TX_META_DESC_REQ_ID_HI_MASK; +} + +static inline void set_ena_eth_io_tx_meta_desc_req_id_hi(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word1 |= val & ENA_ETH_IO_TX_META_DESC_REQ_ID_HI_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_l3_hdr_len(const struct ena_eth_io_tx_meta_desc *p) +{ + return p->word2 & ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK; +} + +static inline void set_ena_eth_io_tx_meta_desc_l3_hdr_len(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= val & ENA_ETH_IO_TX_META_DESC_L3_HDR_LEN_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_l3_hdr_off(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->word2 & ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK) >> ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_l3_hdr_off(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= (val << ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_SHIFT) & ENA_ETH_IO_TX_META_DESC_L3_HDR_OFF_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_l4_hdr_len_in_words(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->word2 & ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK) >> ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_l4_hdr_len_in_words(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= (val << ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_SHIFT) & ENA_ETH_IO_TX_META_DESC_L4_HDR_LEN_IN_WORDS_MASK; +} + +static inline uint32_t get_ena_eth_io_tx_meta_desc_mss_lo(const struct ena_eth_io_tx_meta_desc *p) +{ + return (p->word2 & ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK) >> ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT; +} + +static inline void set_ena_eth_io_tx_meta_desc_mss_lo(struct ena_eth_io_tx_meta_desc *p, uint32_t val) +{ + p->word2 |= (val << ENA_ETH_IO_TX_META_DESC_MSS_LO_SHIFT) & ENA_ETH_IO_TX_META_DESC_MSS_LO_MASK; +} + +static inline uint8_t get_ena_eth_io_tx_cdesc_phase(const struct ena_eth_io_tx_cdesc *p) +{ + return p->flags & ENA_ETH_IO_TX_CDESC_PHASE_MASK; +} + +static inline void set_ena_eth_io_tx_cdesc_phase(struct ena_eth_io_tx_cdesc *p, uint8_t val) +{ + p->flags |= val & ENA_ETH_IO_TX_CDESC_PHASE_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_phase(const struct ena_eth_io_rx_desc *p) +{ + return p->ctrl & ENA_ETH_IO_RX_DESC_PHASE_MASK; +} + +static inline void set_ena_eth_io_rx_desc_phase(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= val & ENA_ETH_IO_RX_DESC_PHASE_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_first(const struct ena_eth_io_rx_desc *p) +{ + return (p->ctrl & ENA_ETH_IO_RX_DESC_FIRST_MASK) >> ENA_ETH_IO_RX_DESC_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_rx_desc_first(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= (val << ENA_ETH_IO_RX_DESC_FIRST_SHIFT) & ENA_ETH_IO_RX_DESC_FIRST_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_last(const struct ena_eth_io_rx_desc *p) +{ + return (p->ctrl & ENA_ETH_IO_RX_DESC_LAST_MASK) >> ENA_ETH_IO_RX_DESC_LAST_SHIFT; +} + +static inline void set_ena_eth_io_rx_desc_last(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= (val << ENA_ETH_IO_RX_DESC_LAST_SHIFT) & ENA_ETH_IO_RX_DESC_LAST_MASK; +} + +static inline uint8_t get_ena_eth_io_rx_desc_comp_req(const struct ena_eth_io_rx_desc *p) +{ + return (p->ctrl & ENA_ETH_IO_RX_DESC_COMP_REQ_MASK) >> ENA_ETH_IO_RX_DESC_COMP_REQ_SHIFT; +} + +static inline void set_ena_eth_io_rx_desc_comp_req(struct ena_eth_io_rx_desc *p, uint8_t val) +{ + p->ctrl |= (val << ENA_ETH_IO_RX_DESC_COMP_REQ_SHIFT) & ENA_ETH_IO_RX_DESC_COMP_REQ_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l3_proto_idx(const struct ena_eth_io_rx_cdesc_base *p) +{ + return p->status & ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l3_proto_idx(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= val & ENA_ETH_IO_RX_CDESC_BASE_L3_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_src_vlan_cnt(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_src_vlan_cnt(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_SRC_VLAN_CNT_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l4_proto_idx(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l4_proto_idx(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L4_PROTO_IDX_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l3_csum_err(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l3_csum_err(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM_ERR_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l4_csum_err(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l4_csum_err(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L4_CSUM_ERR_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_ipv4_frag(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_ipv4_frag(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_IPV4_FRAG_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_phase(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_phase(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_PHASE_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_PHASE_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_l3_csum2(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_l3_csum2(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_L3_CSUM2_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_first(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_FIRST_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_FIRST_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_first(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_FIRST_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_FIRST_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_last(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_last(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_LAST_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_LAST_MASK; +} + +static inline uint32_t get_ena_eth_io_rx_cdesc_base_buffer(const struct ena_eth_io_rx_cdesc_base *p) +{ + return (p->status & ENA_ETH_IO_RX_CDESC_BASE_BUFFER_MASK) >> ENA_ETH_IO_RX_CDESC_BASE_BUFFER_SHIFT; +} + +static inline void set_ena_eth_io_rx_cdesc_base_buffer(struct ena_eth_io_rx_cdesc_base *p, uint32_t val) +{ + p->status |= (val << ENA_ETH_IO_RX_CDESC_BASE_BUFFER_SHIFT) & ENA_ETH_IO_RX_CDESC_BASE_BUFFER_MASK; +} + +static inline uint32_t get_ena_eth_io_intr_reg_rx_intr_delay(const struct ena_eth_io_intr_reg *p) +{ + return p->intr_control & ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; +} + +static inline void set_ena_eth_io_intr_reg_rx_intr_delay(struct ena_eth_io_intr_reg *p, uint32_t val) +{ + p->intr_control |= val & ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; +} + +static inline uint32_t get_ena_eth_io_intr_reg_tx_intr_delay(const struct ena_eth_io_intr_reg *p) +{ + return (p->intr_control & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK) >> ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT; +} + +static inline void set_ena_eth_io_intr_reg_tx_intr_delay(struct ena_eth_io_intr_reg *p, uint32_t val) +{ + p->intr_control |= (val << ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT) & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK; +} + +static inline uint32_t get_ena_eth_io_intr_reg_intr_unmask(const struct ena_eth_io_intr_reg *p) +{ + return (p->intr_control & ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK) >> ENA_ETH_IO_INTR_REG_INTR_UNMASK_SHIFT; +} + +static inline void set_ena_eth_io_intr_reg_intr_unmask(struct ena_eth_io_intr_reg *p, uint32_t val) +{ + p->intr_control |= (val << ENA_ETH_IO_INTR_REG_INTR_UNMASK_SHIFT) & ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK; +} + +static inline uint32_t get_ena_eth_io_numa_node_cfg_reg_numa(const struct ena_eth_io_numa_node_cfg_reg *p) +{ + return p->numa_cfg & ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK; +} + +static inline void set_ena_eth_io_numa_node_cfg_reg_numa(struct ena_eth_io_numa_node_cfg_reg *p, uint32_t val) +{ + p->numa_cfg |= val & ENA_ETH_IO_NUMA_NODE_CFG_REG_NUMA_MASK; +} + +static inline uint32_t get_ena_eth_io_numa_node_cfg_reg_enabled(const struct ena_eth_io_numa_node_cfg_reg *p) +{ + return (p->numa_cfg & ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK) >> ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT; +} + +static inline void set_ena_eth_io_numa_node_cfg_reg_enabled(struct ena_eth_io_numa_node_cfg_reg *p, uint32_t val) +{ + p->numa_cfg |= (val << ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT) & ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK; +} + +#endif /* !defined(ENA_DEFS_LINUX_MAINLINE) */ +#endif /*_ENA_ETH_IO_H_ */ Property changes on: vendor-sys/ena-com/dist/ena_eth_io_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_plat.h =================================================================== --- vendor-sys/ena-com/dist/ena_plat.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_plat.h (revision 317516) @@ -0,0 +1,376 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ENA_PLAT_H_ +#define ENA_PLAT_H_ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +extern struct ena_bus_space ebs; + +/* Levels */ +#define ENA_ALERT (1 << 0) /* Alerts are providing more error info. */ +#define ENA_WARNING (1 << 1) /* Driver output is more error sensitive. */ +#define ENA_INFO (1 << 2) /* Provides additional driver info. */ +#define ENA_DBG (1 << 3) /* Driver output for debugging. */ +/* Detailed info that will be printed with ENA_INFO or ENA_DEBUG flag. */ +#define ENA_TXPTH (1 << 4) /* Allows TX path tracing. */ +#define ENA_RXPTH (1 << 5) /* Allows RX path tracing. */ +#define ENA_RSC (1 << 6) /* Goes with TXPTH or RXPTH, free/alloc res. */ +#define ENA_IOQ (1 << 7) /* Detailed info about IO queues. */ +#define ENA_ADMQ (1 << 8) /* Detailed info about admin queue. */ + +#ifndef ENA_DEBUG_LEVEL +#define ENA_DEBUG_LEVEL (ENA_ALERT | ENA_WARNING) +#endif + +#ifdef ENA_TRACE +#define ena_trace_raw(level, fmt, args...) \ + do { \ + if (((level) & ENA_DEBUG_LEVEL) != (level)) \ + break; \ + printf(fmt, ##args); \ + } while (0) + +#define ena_trace(level, fmt, args...) \ + ena_trace_raw(level, "%s() [TID:%d]: " \ + fmt " \n", __func__, curthread->td_tid, ##args) + +#else /* ENA_TRACE */ +#define ena_trace_raw(...) +#define ena_trace(...) +#endif /* ENA_TRACE */ + +#define ena_trc_dbg(format, arg...) ena_trace(ENA_DBG, format, ##arg) +#define ena_trc_info(format, arg...) ena_trace(ENA_INFO, format, ##arg) +#define ena_trc_warn(format, arg...) ena_trace(ENA_WARNING, format, ##arg) +#define ena_trc_err(format, arg...) ena_trace(ENA_ALERT, format, ##arg) + +#define unlikely(x) __predict_false(x) +#define likely(x) __predict_true(x) + +#define __iomem +#define ____cacheline_aligned __aligned(CACHE_LINE_SIZE) + +#define MAX_ERRNO 4095 +#define IS_ERR_VALUE(x) unlikely((x) <= (unsigned long)MAX_ERRNO) + +#define WARN_ON(condition) \ + do { \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + printf("%s %s", __FUNCTION__, __FILE__); \ + unlikely(__ret_warn_on); \ + } while (0) + +#define ENA_ASSERT(cond, format, arg...) \ + do { \ + if (unlikely(!(cond))) { \ + ena_trc_err( \ + "Assert failed on %s:%s:%d:" format, \ + __FILE__, __func__, __LINE__, ##arg); \ + WARN_ON(cond); \ + } \ + } while (0) + +#define ENA_WARN(cond, format, arg...) \ + do { \ + if (unlikely((cond))) { \ + ena_trc_warn(format, ##arg); \ + } \ + } while (0) + +static inline long IS_ERR(const void *ptr) +{ + return IS_ERR_VALUE((unsigned long)ptr); +} + +static inline void *ERR_PTR(long error) +{ + return (void *)error; +} + +static inline long PTR_ERR(const void *ptr) +{ + return (long) ptr; +} + +#define GENMASK(h, l) (((1U << ((h) - (l) + 1)) - 1) << (l)) +#define GENMASK_ULL(h, l) (((~0ULL) << (l)) & (~0ULL >> (64 - 1 - (h)))) +#define BIT(x) (1 << (x)) + +#define ENA_ABORT() BUG() +#define BUG() panic("ENA BUG") + +#define SZ_256 (256) +#define SZ_4K (4096) + +#define ENA_COM_OK 0 +#define ENA_COM_FAULT EFAULT +#define ENA_COM_INVAL EINVAL +#define ENA_COM_NO_MEM ENOMEM +#define ENA_COM_NO_SPACE ENOSPC +#define ENA_COM_TRY_AGAIN -1 +#define ENA_COM_NO_DEVICE ENODEV +#define ENA_COM_PERMISSION EPERM +#define ENA_COM_TIMER_EXPIRED ETIMEDOUT + +#define ENA_MSLEEP(x) pause_sbt("ena", SBT_1MS * (x), SBT_1MS, 0) +#define ENA_UDELAY(x) DELAY(x) +#define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \ + ((long)cputick2usec(cpu_ticks()) + (timeout_us)) +#define ENA_TIME_EXPIRE(timeout) ((timeout) < (long)cputick2usec(cpu_ticks())) +#define ENA_MIGHT_SLEEP() + +#define min_t(type, _x, _y) ((type)(_x) < (type)(_y) ? (type)(_x) : (type)(_y)) +#define max_t(type, _x, _y) ((type)(_x) > (type)(_y) ? (type)(_x) : (type)(_y)) + +#define ENA_MIN32(x,y) MIN(x, y) +#define ENA_MIN16(x,y) MIN(x, y) +#define ENA_MIN8(x,y) MIN(x, y) + +#define ENA_MAX32(x,y) MAX(x, y) +#define ENA_MAX16(x,y) MAX(x, y) +#define ENA_MAX8(x,y) MAX(x, y) + +/* Spinlock related methods */ +#define ena_spinlock_t struct mtx +#define ENA_SPINLOCK_INIT(spinlock) \ + mtx_init(&(spinlock), "ena_spin", NULL, MTX_SPIN) +#define ENA_SPINLOCK_DESTROY(spinlock) \ + do { \ + if (mtx_initialized(&(spinlock))) \ + mtx_destroy(&(spinlock)); \ + } while (0) +#define ENA_SPINLOCK_LOCK(spinlock, flags) \ + do { \ + (void)(flags); \ + mtx_lock_spin(&(spinlock)); \ + } while (0) +#define ENA_SPINLOCK_UNLOCK(spinlock, flags) \ + do { \ + (void)(flags); \ + mtx_unlock_spin(&(spinlock)); \ + } while (0) + + +/* Wait queue related methods */ +#define ena_wait_event_t struct { struct cv wq; struct mtx mtx; } +#define ENA_WAIT_EVENT_INIT(waitqueue) \ + do { \ + cv_init(&((waitqueue).wq), "cv"); \ + mtx_init(&((waitqueue).mtx), "wq", NULL, MTX_DEF); \ + } while (0) +#define ENA_WAIT_EVENT_DESTROY(waitqueue) \ + do { \ + cv_destroy(&((waitqueue).wq)); \ + mtx_destroy(&((waitqueue).mtx)); \ + } while (0) +#define ENA_WAIT_EVENT_CLEAR(waitqueue) \ + cv_init(&((waitqueue).wq), (waitqueue).wq.cv_description) +#define ENA_WAIT_EVENT_WAIT(waitqueue, timeout_us) \ + do { \ + mtx_lock(&((waitqueue).mtx)); \ + cv_timedwait(&((waitqueue).wq), &((waitqueue).mtx), \ + timeout_us * hz / 1000 / 1000 ); \ + mtx_unlock(&((waitqueue).mtx)); \ + } while (0) +#define ENA_WAIT_EVENT_SIGNAL(waitqueue) cv_broadcast(&((waitqueue).wq)) + +#define dma_addr_t bus_addr_t +#define u8 uint8_t +#define u16 uint16_t +#define u32 uint32_t +#define u64 uint64_t + +typedef struct { + bus_addr_t paddr; + caddr_t vaddr; + bus_dma_tag_t tag; + bus_dmamap_t map; + bus_dma_segment_t seg; + int nseg; +} ena_mem_handle_t; + +struct ena_bus { + bus_space_handle_t reg_bar_h; + bus_space_tag_t reg_bar_t; + bus_space_handle_t mem_bar_h; + bus_space_tag_t mem_bar_t; +}; + +typedef uint32_t ena_atomic32_t; + +void ena_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nseg, + int error); +int ena_dma_alloc(device_t dmadev, bus_size_t size, ena_mem_handle_t *dma, + int mapflags); + +#define ENA_MEM_ALLOC(dmadev, size) malloc(size, M_DEVBUF, M_NOWAIT | M_ZERO) +#define ENA_MEM_ALLOC_NODE(dmadev, size, virt, node, dev_node) (virt = NULL) +#define ENA_MEM_FREE(dmadev, ptr) free(ptr, M_DEVBUF) +#define ENA_MEM_ALLOC_COHERENT_NODE(dmadev, size, virt, phys, handle, node, \ + dev_node) \ + do { \ + ((virt) = NULL); \ + (void)(dev_node); \ + } while (0) + +#define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, dma) \ + do { \ + ena_dma_alloc((dmadev), (size), &(dma), 0); \ + (virt) = (void *)(dma).vaddr; \ + (phys) = (dma).paddr; \ + } while (0) + +#define ENA_MEM_FREE_COHERENT(dmadev, size, virt, phys, dma) \ + do { \ + (void)size; \ + bus_dmamap_unload((dma).tag, (dma).map); \ + bus_dmamem_free((dma).tag, (virt), (dma).map); \ + bus_dma_tag_destroy((dma).tag); \ + (dma).tag = NULL; \ + (virt) = NULL; \ + } while (0) + +/* Register R/W methods */ +#define ENA_REG_WRITE32(bus, value, offset) \ + bus_space_write_4( \ + ((struct ena_bus*)bus)->reg_bar_t, \ + ((struct ena_bus*)bus)->reg_bar_h, \ + (bus_size_t)(offset), (value)) + +#define ENA_REG_READ32(bus, offset) \ + bus_space_read_4( \ + ((struct ena_bus*)bus)->reg_bar_t, \ + ((struct ena_bus*)bus)->reg_bar_h, \ + (bus_size_t)(offset)) + +#define time_after(a,b) ((long)((unsigned long)(b) - (unsigned long)(a)) < 0) + +#define VLAN_HLEN sizeof(struct ether_vlan_header) +#define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP) + +#if defined(__i386__) || defined(__amd64__) +static __inline +void prefetch(void *x) +{ + __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); +} +#else +#define prefetch(x) +#endif + +/* DMA buffers access */ +#define dma_unmap_addr(p, name) ((p)->dma->name) +#define dma_unmap_addr_set(p, name, v) (((p)->dma->name) = (v)) +#define dma_unmap_len(p, name) ((p)->name) +#define dma_unmap_len_set(p, name, v) (((p)->name) = (v)) + +#define memcpy_toio memcpy + +#define ATOMIC32_INC(I32_PTR) atomic_add_int(I32_PTR, 1) +#define ATOMIC32_DEC(I32_PTR) atomic_add_int(I32_PTR, -1) +#define ATOMIC32_READ(I32_PTR) atomic_load_acq_int(I32_PTR) +#define ATOMIC32_SET(I32_PTR, VAL) atomic_store_rel_int(I32_PTR, VAL) + +#define barrier() __asm__ __volatile__("": : :"memory") +#define ACCESS_ONCE(x) (*(volatile __typeof(x) *)&(x)) +#define READ_ONCE(x) ({ \ + __typeof(x) __var; \ + barrier(); \ + __var = ACCESS_ONCE(x); \ + barrier(); \ + __var; \ + }) + +#include "ena_common_defs.h" +#include "ena_admin_defs.h" +#include "ena_eth_io_defs.h" +#include "ena_regs_defs.h" + +#endif /* ENA_PLAT_H_ */ Property changes on: vendor-sys/ena-com/dist/ena_plat.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: vendor-sys/ena-com/dist/ena_regs_defs.h =================================================================== --- vendor-sys/ena-com/dist/ena_regs_defs.h (nonexistent) +++ vendor-sys/ena-com/dist/ena_regs_defs.h (revision 317516) @@ -0,0 +1,137 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Amazon.com, Inc. or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ENA_REGS_H_ +#define _ENA_REGS_H_ + +/* ena_registers offsets */ +#define ENA_REGS_VERSION_OFF 0x0 +#define ENA_REGS_CONTROLLER_VERSION_OFF 0x4 +#define ENA_REGS_CAPS_OFF 0x8 +#define ENA_REGS_CAPS_EXT_OFF 0xc +#define ENA_REGS_AQ_BASE_LO_OFF 0x10 +#define ENA_REGS_AQ_BASE_HI_OFF 0x14 +#define ENA_REGS_AQ_CAPS_OFF 0x18 +#define ENA_REGS_ACQ_BASE_LO_OFF 0x20 +#define ENA_REGS_ACQ_BASE_HI_OFF 0x24 +#define ENA_REGS_ACQ_CAPS_OFF 0x28 +#define ENA_REGS_AQ_DB_OFF 0x2c +#define ENA_REGS_ACQ_TAIL_OFF 0x30 +#define ENA_REGS_AENQ_CAPS_OFF 0x34 +#define ENA_REGS_AENQ_BASE_LO_OFF 0x38 +#define ENA_REGS_AENQ_BASE_HI_OFF 0x3c +#define ENA_REGS_AENQ_HEAD_DB_OFF 0x40 +#define ENA_REGS_AENQ_TAIL_OFF 0x44 +#define ENA_REGS_INTR_MASK_OFF 0x4c +#define ENA_REGS_DEV_CTL_OFF 0x54 +#define ENA_REGS_DEV_STS_OFF 0x58 +#define ENA_REGS_MMIO_REG_READ_OFF 0x5c +#define ENA_REGS_MMIO_RESP_LO_OFF 0x60 +#define ENA_REGS_MMIO_RESP_HI_OFF 0x64 +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF 0x68 + +/* version register */ +#define ENA_REGS_VERSION_MINOR_VERSION_MASK 0xff +#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT 8 +#define ENA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00 + +/* controller_version register */ +#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff +#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8 +#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00 +#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16 +#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000 +#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24 +#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000 + +/* caps register */ +#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1 +#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1 +#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e +#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8 +#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00 +#define ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT 16 +#define ENA_REGS_CAPS_ADMIN_CMD_TO_MASK 0xf0000 + +/* aq_caps register */ +#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff +#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16 +#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000 + +/* acq_caps register */ +#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff +#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16 +#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xffff0000 + +/* aenq_caps register */ +#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff +#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16 +#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xffff0000 + +/* dev_ctl register */ +#define ENA_REGS_DEV_CTL_DEV_RESET_MASK 0x1 +#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1 +#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2 +#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT 2 +#define ENA_REGS_DEV_CTL_QUIESCENT_MASK 0x4 +#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT 3 +#define ENA_REGS_DEV_CTL_IO_RESUME_MASK 0x8 + +/* dev_sts register */ +#define ENA_REGS_DEV_STS_READY_MASK 0x1 +#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1 +#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2 +#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2 +#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4 +#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3 +#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8 +#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4 +#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10 +#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5 +#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT 6 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK 0x40 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT 7 +#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK 0x80 + +/* mmio_reg_read register */ +#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff +#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16 +#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000 + +/* rss_ind_entry_update register */ +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK 0xffff +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT 16 +#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK 0xffff0000 + +#endif /*_ENA_REGS_H_ */ Property changes on: vendor-sys/ena-com/dist/ena_regs_defs.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property