Index: head/sys/dev/mlx4/mlx4_core/mlx4.h =================================================================== --- head/sys/dev/mlx4/mlx4_core/mlx4.h (revision 310424) +++ head/sys/dev/mlx4/mlx4_core/mlx4.h (revision 310425) @@ -1,1328 +1,1328 @@ /* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved. * Copyright (c) 2005, 2006, 2007, 2008, 2014 Mellanox Technologies. All rights reserved. * Copyright (c) 2004 Voltaire, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * 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. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef MLX4_H #define MLX4_H #include #include #include #include #include #include #include #include #include #include #include #define DRV_NAME "mlx4_core" #define PFX DRV_NAME ": " #define DRV_VERSION "2.1.6" -#define DRV_RELDATE __DATE__ +#define DRV_RELDATE "Sep 30 2016" #define DRV_STACK_NAME "Linux-MLNX_OFED" #define DRV_STACK_VERSION "2.1" #define DRV_NAME_FOR_FW DRV_STACK_NAME","DRV_STACK_VERSION #define MLX4_FS_UDP_UC_EN (1 << 1) #define MLX4_FS_TCP_UC_EN (1 << 2) #define MLX4_FS_NUM_OF_L2_ADDR 8 #define MLX4_FS_MGM_LOG_ENTRY_SIZE 7 #define MLX4_FS_NUM_MCG (1 << 17) struct mlx4_set_port_prio2tc_context { u8 prio2tc[4]; }; struct mlx4_port_scheduler_tc_cfg_be { __be16 pg; __be16 bw_precentage; __be16 max_bw_units; /* 3-100Mbps, 4-1Gbps, other values - reserved */ __be16 max_bw_value; }; struct mlx4_set_port_scheduler_context { struct mlx4_port_scheduler_tc_cfg_be tc[MLX4_NUM_TC]; }; enum { MLX4_HCR_BASE = 0x80680, MLX4_HCR_SIZE = 0x0001c, MLX4_CLR_INT_SIZE = 0x00008, MLX4_SLAVE_COMM_BASE = 0x0, MLX4_COMM_PAGESIZE = 0x1000, MLX4_CLOCK_SIZE = 0x00008 }; enum { MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10, MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7, MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12, MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE)/16 - 2), }; enum { MLX4_NUM_PDS = 1 << 15 }; enum { MLX4_CMPT_TYPE_QP = 0, MLX4_CMPT_TYPE_SRQ = 1, MLX4_CMPT_TYPE_CQ = 2, MLX4_CMPT_TYPE_EQ = 3, MLX4_CMPT_NUM_TYPE }; enum { MLX4_CMPT_SHIFT = 24, MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT }; enum mlx4_mpt_state { MLX4_MPT_DISABLED = 0, MLX4_MPT_EN_HW, MLX4_MPT_EN_SW }; #define MLX4_COMM_TIME 10000 enum { MLX4_COMM_CMD_RESET, MLX4_COMM_CMD_VHCR0, MLX4_COMM_CMD_VHCR1, MLX4_COMM_CMD_VHCR2, MLX4_COMM_CMD_VHCR_EN, MLX4_COMM_CMD_VHCR_POST, MLX4_COMM_CMD_FLR = 254 }; /*The flag indicates that the slave should delay the RESET cmd*/ #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb /*indicates how many retries will be done if we are in the middle of FLR*/ #define NUM_OF_RESET_RETRIES 10 #define SLEEP_TIME_IN_RESET (2 * 1000) enum mlx4_resource { RES_QP, RES_CQ, RES_SRQ, RES_XRCD, RES_MPT, RES_MTT, RES_MAC, RES_VLAN, RES_NPORT_ID, RES_COUNTER, RES_FS_RULE, RES_EQ, MLX4_NUM_OF_RESOURCE_TYPE }; enum mlx4_alloc_mode { RES_OP_RESERVE, RES_OP_RESERVE_AND_MAP, RES_OP_MAP_ICM, }; enum mlx4_res_tracker_free_type { RES_TR_FREE_ALL, RES_TR_FREE_SLAVES_ONLY, RES_TR_FREE_STRUCTS_ONLY, }; /* *Virtual HCR structures. * mlx4_vhcr is the sw representation, in machine endianness * * mlx4_vhcr_cmd is the formalized structure, the one that is passed * to FW to go through communication channel. * It is big endian, and has the same structure as the physical HCR * used by command interface */ struct mlx4_vhcr { u64 in_param; u64 out_param; u32 in_modifier; u32 errno; u16 op; u16 token; u8 op_modifier; u8 e_bit; }; struct mlx4_vhcr_cmd { __be64 in_param; __be32 in_modifier; u32 reserved1; __be64 out_param; __be16 token; u16 reserved; u8 status; u8 flags; __be16 opcode; } __packed; struct mlx4_cmd_info { u16 opcode; bool has_inbox; bool has_outbox; bool out_is_imm; bool encode_slave_id; bool skip_err_print; int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox); int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); }; enum { MLX4_DEBUG_MASK_CMD_TIME = 0x100, }; #ifdef CONFIG_MLX4_DEBUG extern int mlx4_debug_level; #else /* CONFIG_MLX4_DEBUG */ #define mlx4_debug_level (0) #endif /* CONFIG_MLX4_DEBUG */ #define mlx4_dbg(mdev, format, arg...) \ do { \ if (mlx4_debug_level) \ dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ##arg); \ } while (0) #define mlx4_err(mdev, format, arg...) \ dev_err(&mdev->pdev->dev, format, ##arg) #define mlx4_info(mdev, format, arg...) \ dev_info(&mdev->pdev->dev, format, ##arg) #define mlx4_warn(mdev, format, arg...) \ dev_warn(&mdev->pdev->dev, format, ##arg) extern int mlx4_log_num_mgm_entry_size; extern int log_mtts_per_seg; extern int mlx4_blck_lb; extern int mlx4_set_4k_mtu; #define MLX4_MAX_NUM_SLAVES (MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF) #define ALL_SLAVES 0xff struct mlx4_bitmap { u32 last; u32 top; u32 max; u32 reserved_top; u32 mask; u32 avail; spinlock_t lock; unsigned long *table; }; struct mlx4_buddy { unsigned long **bits; unsigned int *num_free; u32 max_order; spinlock_t lock; }; struct mlx4_icm; struct mlx4_icm_table { u64 virt; int num_icm; u32 num_obj; int obj_size; int lowmem; int coherent; struct mutex mutex; struct mlx4_icm **icm; }; #define MLX4_MPT_FLAG_SW_OWNS (0xfUL << 28) #define MLX4_MPT_FLAG_FREE (0x3UL << 28) #define MLX4_MPT_FLAG_MIO (1 << 17) #define MLX4_MPT_FLAG_BIND_ENABLE (1 << 15) #define MLX4_MPT_FLAG_PHYSICAL (1 << 9) #define MLX4_MPT_FLAG_REGION (1 << 8) #define MLX4_MPT_PD_FLAG_FAST_REG (1 << 27) #define MLX4_MPT_PD_FLAG_RAE (1 << 28) #define MLX4_MPT_PD_FLAG_EN_INV (3 << 24) #define MLX4_MPT_QP_FLAG_BOUND_QP (1 << 7) #define MLX4_MPT_STATUS_SW 0xF0 #define MLX4_MPT_STATUS_HW 0x00 /* * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits. */ struct mlx4_mpt_entry { __be32 flags; __be32 qpn; __be32 key; __be32 pd_flags; __be64 start; __be64 length; __be32 lkey; __be32 win_cnt; u8 reserved1[3]; u8 mtt_rep; __be64 mtt_addr; __be32 mtt_sz; __be32 entity_size; __be32 first_byte_offset; } __packed; /* * Must be packed because start is 64 bits but only aligned to 32 bits. */ struct mlx4_eq_context { __be32 flags; u16 reserved1[3]; __be16 page_offset; u8 log_eq_size; u8 reserved2[4]; u8 eq_period; u8 reserved3; u8 eq_max_count; u8 reserved4[3]; u8 intr; u8 log_page_size; u8 reserved5[2]; u8 mtt_base_addr_h; __be32 mtt_base_addr_l; u32 reserved6[2]; __be32 consumer_index; __be32 producer_index; u32 reserved7[4]; }; struct mlx4_cq_context { __be32 flags; u16 reserved1[3]; __be16 page_offset; __be32 logsize_usrpage; __be16 cq_period; __be16 cq_max_count; u8 reserved2[3]; u8 comp_eqn; u8 log_page_size; u8 reserved3[2]; u8 mtt_base_addr_h; __be32 mtt_base_addr_l; __be32 last_notified_index; __be32 solicit_producer_index; __be32 consumer_index; __be32 producer_index; u32 reserved4[2]; __be64 db_rec_addr; }; struct mlx4_srq_context { __be32 state_logsize_srqn; u8 logstride; u8 reserved1; __be16 xrcd; __be32 pg_offset_cqn; u32 reserved2; u8 log_page_size; u8 reserved3[2]; u8 mtt_base_addr_h; __be32 mtt_base_addr_l; __be32 pd; __be16 limit_watermark; __be16 wqe_cnt; u16 reserved4; __be16 wqe_counter; u32 reserved5; __be64 db_rec_addr; }; struct mlx4_eq { struct mlx4_dev *dev; void __iomem *doorbell; int eqn; u32 cons_index; u16 irq; u16 have_irq; int nent; struct mlx4_buf_list *page_list; struct mlx4_mtt mtt; }; struct mlx4_slave_eqe { u8 type; u8 port; u32 param; }; struct mlx4_slave_event_eq_info { int eqn; u16 token; }; struct mlx4_profile { int num_qp; int rdmarc_per_qp; int num_srq; int num_cq; int num_mcg; int num_mpt; unsigned num_mtt_segs; }; struct mlx4_fw { u64 clr_int_base; u64 catas_offset; u64 comm_base; u64 clock_offset; struct mlx4_icm *fw_icm; struct mlx4_icm *aux_icm; u32 catas_size; u16 fw_pages; u8 clr_int_bar; u8 catas_bar; u8 comm_bar; u8 clock_bar; }; struct mlx4_comm { u32 slave_write; u32 slave_read; }; enum { MLX4_MCAST_CONFIG = 0, MLX4_MCAST_DISABLE = 1, MLX4_MCAST_ENABLE = 2, }; #define VLAN_FLTR_SIZE 128 struct mlx4_vlan_fltr { __be32 entry[VLAN_FLTR_SIZE]; }; struct mlx4_mcast_entry { struct list_head list; u64 addr; }; struct mlx4_promisc_qp { struct list_head list; u32 qpn; }; struct mlx4_steer_index { struct list_head list; unsigned int index; struct list_head duplicates; }; #define MLX4_EVENT_TYPES_NUM 64 struct mlx4_slave_state { u8 comm_toggle; u8 last_cmd; u8 init_port_mask; bool active; bool old_vlan_api; u8 function; dma_addr_t vhcr_dma; u16 mtu[MLX4_MAX_PORTS + 1]; __be32 ib_cap_mask[MLX4_MAX_PORTS + 1]; struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES]; struct list_head mcast_filters[MLX4_MAX_PORTS + 1]; struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1]; /* event type to eq number lookup */ struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM]; u16 eq_pi; u16 eq_ci; spinlock_t lock; /*initialized via the kzalloc*/ u8 is_slave_going_down; u32 cookie; enum slave_port_state port_state[MLX4_MAX_PORTS + 1]; }; #define MLX4_VGT 4095 #define NO_INDX (-1) struct mlx4_vport_state { u64 mac; u16 default_vlan; u8 default_qos; u32 tx_rate; bool spoofchk; u32 link_state; }; struct mlx4_vf_admin_state { struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1]; }; struct mlx4_vport_oper_state { struct mlx4_vport_state state; int mac_idx; int vlan_idx; }; struct mlx4_vf_oper_state { struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1]; }; struct slave_list { struct mutex mutex; struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE]; }; struct resource_allocator { spinlock_t alloc_lock; union { int res_reserved; int res_port_rsvd[MLX4_MAX_PORTS]; }; union { int res_free; int res_port_free[MLX4_MAX_PORTS]; }; int *quota; int *allocated; int *guaranteed; }; struct mlx4_resource_tracker { spinlock_t lock; /* tree for each resources */ struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE]; /* num_of_slave's lists, one per slave */ struct slave_list *slave_list; struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE]; }; #define SLAVE_EVENT_EQ_SIZE 128 struct mlx4_slave_event_eq { u32 eqn; u32 cons; u32 prod; spinlock_t event_lock; struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE]; }; struct mlx4_master_qp0_state { int proxy_qp0_active; int qp0_active; int port_active; }; struct mlx4_mfunc_master_ctx { struct mlx4_slave_state *slave_state; struct mlx4_vf_admin_state *vf_admin; struct mlx4_vf_oper_state *vf_oper; struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1]; int init_port_ref[MLX4_MAX_PORTS + 1]; u16 max_mtu[MLX4_MAX_PORTS + 1]; int disable_mcast_ref[MLX4_MAX_PORTS + 1]; struct mlx4_resource_tracker res_tracker; struct workqueue_struct *comm_wq; struct work_struct comm_work; struct work_struct arm_comm_work; struct work_struct slave_event_work; struct work_struct slave_flr_event_work; spinlock_t slave_state_lock; __be32 comm_arm_bit_vector[4]; struct mlx4_eqe cmd_eqe; struct mlx4_slave_event_eq slave_eq; struct mutex gen_eqe_mutex[MLX4_MFUNC_MAX]; }; struct mlx4_mfunc { struct mlx4_comm __iomem *comm; struct mlx4_vhcr_cmd *vhcr; dma_addr_t vhcr_dma; struct mlx4_mfunc_master_ctx master; }; #define MGM_QPN_MASK 0x00FFFFFF #define MGM_BLCK_LB_BIT 30 struct mlx4_mgm { __be32 next_gid_index; __be32 members_count; u32 reserved[2]; u8 gid[16]; __be32 qp[MLX4_MAX_QP_PER_MGM]; }; struct mlx4_cmd { struct pci_pool *pool; void __iomem *hcr; struct mutex hcr_mutex; struct mutex slave_cmd_mutex; struct semaphore poll_sem; struct semaphore event_sem; int max_cmds; spinlock_t context_lock; int free_head; struct mlx4_cmd_context *context; u16 token_mask; u8 use_events; u8 toggle; u8 comm_toggle; }; enum { MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0, MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1, }; struct mlx4_vf_immed_vlan_work { struct work_struct work; struct mlx4_priv *priv; int flags; int slave; int vlan_ix; int orig_vlan_ix; u8 port; u8 qos; u16 vlan_id; u16 orig_vlan_id; }; struct mlx4_uar_table { struct mlx4_bitmap bitmap; }; struct mlx4_mr_table { struct mlx4_bitmap mpt_bitmap; struct mlx4_buddy mtt_buddy; u64 mtt_base; u64 mpt_base; struct mlx4_icm_table mtt_table; struct mlx4_icm_table dmpt_table; }; struct mlx4_cq_table { struct mlx4_bitmap bitmap; spinlock_t lock; rwlock_t cq_table_lock; struct radix_tree_root tree; struct mlx4_icm_table table; struct mlx4_icm_table cmpt_table; }; struct mlx4_eq_table { struct mlx4_bitmap bitmap; char *irq_names; void __iomem *clr_int; void __iomem **uar_map; u32 clr_mask; struct mlx4_eq *eq; struct mlx4_icm_table table; struct mlx4_icm_table cmpt_table; int have_irq; u8 inta_pin; }; struct mlx4_srq_table { struct mlx4_bitmap bitmap; spinlock_t lock; struct radix_tree_root tree; struct mlx4_icm_table table; struct mlx4_icm_table cmpt_table; }; struct mlx4_qp_table { struct mlx4_bitmap bitmap; u32 rdmarc_base; int rdmarc_shift; spinlock_t lock; struct mlx4_icm_table qp_table; struct mlx4_icm_table auxc_table; struct mlx4_icm_table altc_table; struct mlx4_icm_table rdmarc_table; struct mlx4_icm_table cmpt_table; }; struct mlx4_mcg_table { struct mutex mutex; struct mlx4_bitmap bitmap; struct mlx4_icm_table table; }; struct mlx4_catas_err { u32 __iomem *map; struct timer_list timer; struct list_head list; }; #define MLX4_MAX_MAC_NUM 128 #define MLX4_MAC_TABLE_SIZE (MLX4_MAX_MAC_NUM << 3) struct mlx4_mac_table { __be64 entries[MLX4_MAX_MAC_NUM]; int refs[MLX4_MAX_MAC_NUM]; struct mutex mutex; int total; int max; }; #define MLX4_MAX_VLAN_NUM 128 #define MLX4_VLAN_TABLE_SIZE (MLX4_MAX_VLAN_NUM << 2) struct mlx4_vlan_table { __be32 entries[MLX4_MAX_VLAN_NUM]; int refs[MLX4_MAX_VLAN_NUM]; struct mutex mutex; int total; int max; }; #define SET_PORT_GEN_ALL_VALID 0x7 #define SET_PORT_PROMISC_SHIFT 31 #define SET_PORT_MC_PROMISC_SHIFT 30 enum { MCAST_DIRECT_ONLY = 0, MCAST_DIRECT = 1, MCAST_DEFAULT = 2 }; struct mlx4_set_port_general_context { u8 reserved[3]; u8 flags; u16 reserved2; __be16 mtu; u8 pptx; u8 pfctx; u16 reserved3; u8 pprx; u8 pfcrx; u16 reserved4; }; struct mlx4_set_port_rqp_calc_context { __be32 base_qpn; u8 rererved; u8 n_mac; u8 n_vlan; u8 n_prio; u8 reserved2[3]; u8 mac_miss; u8 intra_no_vlan; u8 no_vlan; u8 intra_vlan_miss; u8 vlan_miss; u8 reserved3[3]; u8 no_vlan_prio; __be32 promisc; __be32 mcast; }; struct mlx4_hca_info { struct mlx4_dev *dev; struct device_attribute firmware_attr; struct device_attribute hca_attr; struct device_attribute board_attr; }; struct mlx4_port_info { struct mlx4_dev *dev; int port; char dev_name[16]; struct device_attribute port_attr; enum mlx4_port_type tmp_type; char dev_mtu_name[16]; struct device_attribute port_mtu_attr; struct mlx4_mac_table mac_table; struct mlx4_vlan_table vlan_table; int base_qpn; }; struct mlx4_sense { struct mlx4_dev *dev; u8 do_sense_port[MLX4_MAX_PORTS + 1]; u8 sense_allowed[MLX4_MAX_PORTS + 1]; struct delayed_work sense_poll; }; struct mlx4_msix_ctl { u64 pool_bm; struct mutex pool_lock; }; struct mlx4_steer { struct list_head promisc_qps[MLX4_NUM_STEERS]; struct list_head steer_entries[MLX4_NUM_STEERS]; }; enum { MLX4_PCI_DEV_IS_VF = 1 << 0, MLX4_PCI_DEV_FORCE_SENSE_PORT = 1 << 1, }; struct mlx4_roce_gid_entry { u8 raw[16]; }; struct counter_index { struct list_head list; u32 index; }; struct mlx4_counters { struct mlx4_bitmap bitmap; struct list_head global_port_list[MLX4_MAX_PORTS]; struct list_head vf_list[MLX4_MAX_NUM_VF][MLX4_MAX_PORTS]; struct mutex mutex; }; enum { MLX4_NO_RR = 0, MLX4_USE_RR = 1, }; struct mlx4_priv { struct mlx4_dev dev; struct list_head dev_list; struct list_head ctx_list; spinlock_t ctx_lock; int pci_dev_data; struct list_head pgdir_list; struct mutex pgdir_mutex; struct mlx4_fw fw; struct mlx4_cmd cmd; struct mlx4_mfunc mfunc; struct mlx4_bitmap pd_bitmap; struct mlx4_bitmap xrcd_bitmap; struct mlx4_uar_table uar_table; struct mlx4_mr_table mr_table; struct mlx4_cq_table cq_table; struct mlx4_eq_table eq_table; struct mlx4_srq_table srq_table; struct mlx4_qp_table qp_table; struct mlx4_mcg_table mcg_table; struct mlx4_counters counters_table; struct mlx4_catas_err catas_err; void __iomem *clr_base; struct mlx4_uar driver_uar; void __iomem *kar; struct mlx4_port_info port[MLX4_MAX_PORTS + 1]; struct mlx4_hca_info hca_info; struct mlx4_sense sense; struct mutex port_mutex; struct mlx4_msix_ctl msix_ctl; struct mlx4_steer *steer; struct list_head bf_list; struct mutex bf_mutex; struct io_mapping *bf_mapping; void __iomem *clock_mapping; int reserved_mtts; int fs_hash_mode; u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; __be64 slave_node_guids[MLX4_MFUNC_MAX]; struct mlx4_roce_gid_entry roce_gids[MLX4_MAX_PORTS][128]; atomic_t opreq_count; struct work_struct opreq_task; }; static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev) { return container_of(dev, struct mlx4_priv, dev); } #define MLX4_SENSE_RANGE (HZ * 3) extern struct workqueue_struct *mlx4_wq; u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap); void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr); u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align, u32 skip_mask); void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt, int use_rr); u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap); int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved_bot, u32 resetrved_top); void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap); int mlx4_reset(struct mlx4_dev *dev); int mlx4_alloc_eq_table(struct mlx4_dev *dev); void mlx4_free_eq_table(struct mlx4_dev *dev); int mlx4_init_pd_table(struct mlx4_dev *dev); int mlx4_init_xrcd_table(struct mlx4_dev *dev); int mlx4_init_uar_table(struct mlx4_dev *dev); int mlx4_init_mr_table(struct mlx4_dev *dev); int mlx4_init_eq_table(struct mlx4_dev *dev); int mlx4_init_cq_table(struct mlx4_dev *dev); int mlx4_init_qp_table(struct mlx4_dev *dev); int mlx4_init_srq_table(struct mlx4_dev *dev); int mlx4_init_mcg_table(struct mlx4_dev *dev); void mlx4_cleanup_pd_table(struct mlx4_dev *dev); void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev); void mlx4_cleanup_uar_table(struct mlx4_dev *dev); void mlx4_cleanup_mr_table(struct mlx4_dev *dev); void mlx4_cleanup_eq_table(struct mlx4_dev *dev); void mlx4_cleanup_cq_table(struct mlx4_dev *dev); void mlx4_cleanup_qp_table(struct mlx4_dev *dev); void mlx4_cleanup_srq_table(struct mlx4_dev *dev); void mlx4_cleanup_mcg_table(struct mlx4_dev *dev); int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn); void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn); int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn); void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn); int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn); void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn); int __mlx4_mpt_reserve(struct mlx4_dev *dev); void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index); int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index); void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index); u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order); void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order); int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base, u8 flags); void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac); void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac); int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int start_index, int npages, u64 *page_list); int __mlx4_counter_alloc(struct mlx4_dev *dev, int slave, int port, u32 *idx); void __mlx4_counter_free(struct mlx4_dev *dev, int slave, int port, u32 idx); int __mlx4_slave_counters_free(struct mlx4_dev *dev, int slave); int __mlx4_clear_if_stat(struct mlx4_dev *dev, u8 counter_index); u8 mlx4_get_default_counter_index(struct mlx4_dev *dev, int slave, int port); int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn); void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn); void mlx4_start_catas_poll(struct mlx4_dev *dev); void mlx4_stop_catas_poll(struct mlx4_dev *dev); void mlx4_catas_init(void); int mlx4_restart_one(struct pci_dev *pdev); int mlx4_register_device(struct mlx4_dev *dev); void mlx4_unregister_device(struct mlx4_dev *dev); void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, unsigned long param); struct mlx4_dev_cap; struct mlx4_init_hca_param; u64 mlx4_make_profile(struct mlx4_dev *dev, struct mlx4_profile *request, struct mlx4_dev_cap *dev_cap, struct mlx4_init_hca_param *init_hca); void mlx4_master_comm_channel(struct work_struct *work); void mlx4_master_arm_comm_channel(struct work_struct *work); void mlx4_gen_slave_eqe(struct work_struct *work); void mlx4_master_handle_slave_flr(struct work_struct *work); int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe); int mlx4_cmd_init(struct mlx4_dev *dev); void mlx4_cmd_cleanup(struct mlx4_dev *dev); int mlx4_multi_func_init(struct mlx4_dev *dev); void mlx4_multi_func_cleanup(struct mlx4_dev *dev); void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param); int mlx4_cmd_use_events(struct mlx4_dev *dev); void mlx4_cmd_use_polling(struct mlx4_dev *dev); int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param, unsigned long timeout); void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn); void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type); void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type); void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type); void mlx4_handle_catas_err(struct mlx4_dev *dev); int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port, enum mlx4_port_type *type); void mlx4_do_sense_ports(struct mlx4_dev *dev, enum mlx4_port_type *stype, enum mlx4_port_type *defaults); void mlx4_start_sense(struct mlx4_dev *dev); void mlx4_stop_sense(struct mlx4_dev *dev); void mlx4_sense_init(struct mlx4_dev *dev); int mlx4_check_port_params(struct mlx4_dev *dev, enum mlx4_port_type *port_type); int mlx4_change_port_types(struct mlx4_dev *dev, enum mlx4_port_type *port_types); void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table); void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table); void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan); int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index); int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz); /* resource tracker functions*/ int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, enum mlx4_resource resource_type, u64 resource_id, int *slave); void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id); int mlx4_init_resource_tracker(struct mlx4_dev *dev); void mlx4_free_resource_tracker(struct mlx4_dev *dev, enum mlx4_res_tracker_free_type type); int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps); int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port, int *gid_tbl_len, int *pkey_tbl_len); int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], enum mlx4_protocol prot, enum mlx4_steer_type steer); int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], int block_mcast_loopback, enum mlx4_protocol prot, enum mlx4_steer_type steer); int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], u8 port, int block_mcast_loopback, enum mlx4_protocol prot, u64 *reg_id); int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode); int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function, int port, void *buf); int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_MOD_STAT_CFG_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd); int mlx4_get_mgm_entry_size(struct mlx4_dev *dev); int mlx4_get_qp_per_mgm(struct mlx4_dev *dev); static inline void set_param_l(u64 *arg, u32 val) { *arg = (*arg & 0xffffffff00000000ULL) | (u64) val; } static inline void set_param_h(u64 *arg, u32 val) { *arg = (*arg & 0xffffffff) | ((u64) val << 32); } static inline u32 get_param_l(u64 *arg) { return (u32) (*arg & 0xffffffff); } static inline u32 get_param_h(u64 *arg) { return (u32)(*arg >> 32); } static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev) { return &mlx4_priv(dev)->mfunc.master.res_tracker.lock; } #define NOT_MASKED_PD_BITS 17 void sys_tune_init(void); void sys_tune_fini(void); void mlx4_init_quotas(struct mlx4_dev *dev); int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave); int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave); void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work); #endif /* MLX4_H */ Index: head/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c =================================================================== --- head/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c (revision 310424) +++ head/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c (revision 310425) @@ -1,2896 +1,2896 @@ /* * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * 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. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #define LINUXKPI_PARAM_PREFIX mlx4_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mlx4_ib.h" #include "mlx4_exp.h" #include "user.h" #include "wc.h" #define DRV_NAME MLX4_IB_DRV_NAME #define DRV_VERSION "1.0" -#define DRV_RELDATE __DATE__ +#define DRV_RELDATE "Sep 30 2016" #define MLX4_IB_DRIVER_PROC_DIR_NAME "driver/mlx4_ib" #define MLX4_IB_MRS_PROC_DIR_NAME "mrs" #define MLX4_IB_FLOW_MAX_PRIO 0xFFF #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF MODULE_AUTHOR("Roland Dreier"); MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); MODULE_LICENSE("Dual BSD/GPL"); #ifdef __linux__ MODULE_VERSION(DRV_VERSION); #endif int mlx4_ib_sm_guid_assign = 1; module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444); MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 1)"); enum { MAX_NUM_STR_BITMAP = 1 << 15, DEFAULT_TBL_VAL = -1 }; static struct mlx4_dbdf2val_lst dev_assign_str = { .name = "dev_assign_str param", .num_vals = 1, .def_val = {DEFAULT_TBL_VAL}, .range = {0, MAX_NUM_STR_BITMAP - 1} }; module_param_string(dev_assign_str, dev_assign_str.str, sizeof(dev_assign_str.str), 0444); MODULE_PARM_DESC(dev_assign_str, "Map device function numbers to IB device numbers (e.g. '0000:04:00.0-0,002b:1c:0b.a-1,...').\n" "\t\tHexadecimal digits for the device function (e.g. 002b:1c:0b.a) and decimal for IB device numbers (e.g. 1).\n" "\t\tMax supported devices - 32"); static unsigned long *dev_num_str_bitmap; static spinlock_t dev_num_str_lock; static const char mlx4_ib_version[] = DRV_NAME ": Mellanox ConnectX InfiniBand driver v" DRV_VERSION " (" DRV_RELDATE ")\n"; struct update_gid_work { struct work_struct work; union ib_gid gids[128]; struct mlx4_ib_dev *dev; int port; }; struct dev_rec { int bus; int dev; int func; int nr; }; static int dr_active; static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init); static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev, struct net_device*, unsigned long); static u8 mlx4_ib_get_dev_port(struct net_device *dev, struct mlx4_ib_dev *ibdev); static struct workqueue_struct *wq; static void init_query_mad(struct ib_smp *mad) { mad->base_version = 1; mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; mad->class_version = 1; mad->method = IB_MGMT_METHOD_GET; } static union ib_gid zgid; static int check_flow_steering_support(struct mlx4_dev *dev) { int eth_num_ports = 0; int ib_num_ports = 0; int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED; if (dmfs) { int i; mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) eth_num_ports++; mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) ib_num_ports++; dmfs &= (!ib_num_ports || (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) && (!eth_num_ports || (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN)); if (ib_num_ports && mlx4_is_mfunc(dev)) { dmfs = 0; } } return dmfs; } int mlx4_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props) { struct mlx4_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int err = -ENOMEM; in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) goto out; init_query_mad(in_mad); in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, 1, NULL, NULL, in_mad, out_mad); if (err) goto out; memset(props, 0, sizeof *props); props->fw_ver = dev->dev->caps.fw_ver; props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK | IB_DEVICE_SHARED_MR; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM) props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH) props->device_cap_flags |= IB_DEVICE_UD_TSO; if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) props->device_cap_flags |= IB_DEVICE_XRC; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_CROSS_CHANNEL) props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; if (check_flow_steering_support(dev->dev)) props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; props->device_cap_flags |= IB_DEVICE_QPG; if (dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) { props->device_cap_flags |= IB_DEVICE_UD_RSS; props->max_rss_tbl_sz = dev->dev->caps.max_rss_tbl_sz; } if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; else props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; } props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & 0xffffff; props->vendor_part_id = dev->dev->pdev->device; props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); memcpy(&props->sys_image_guid, out_mad->data + 4, 8); props->max_mr_size = ~0ull; props->page_size_cap = dev->dev->caps.page_size_cap; props->max_qp = dev->dev->quotas.qp; props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; props->max_sge = min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg); props->max_cq = dev->dev->quotas.cq; props->max_cqe = dev->dev->caps.max_cqes; props->max_mr = dev->dev->quotas.mpt; props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; props->max_srq = dev->dev->quotas.srq; props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; props->max_srq_sge = dev->dev->caps.max_srq_sge; props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? IB_ATOMIC_HCA : IB_ATOMIC_NONE; props->masked_atomic_cap = props->atomic_cap; props->max_pkeys = dev->dev->caps.pkey_table_len[1]; props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; props->hca_core_clock = dev->dev->caps.hca_core_clock; if (dev->dev->caps.hca_core_clock > 0) props->comp_mask |= IB_DEVICE_ATTR_WITH_HCA_CORE_CLOCK; if (dev->dev->caps.cq_timestamp) { props->timestamp_mask = 0xFFFFFFFFFFFF; props->comp_mask |= IB_DEVICE_ATTR_WITH_TIMESTAMP_MASK; } out: kfree(in_mad); kfree(out_mad); return err; } static enum rdma_link_layer mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) { struct mlx4_dev *dev = to_mdev(device)->dev; return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; } static int ib_link_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props, int netw_view) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int ext_active_speed; int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; int err = -ENOMEM; in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) goto out; init_query_mad(in_mad); in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; in_mad->attr_mod = cpu_to_be32(port); if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); if (err) goto out; props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); props->lmc = out_mad->data[34] & 0x7; props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); props->sm_sl = out_mad->data[36] & 0xf; props->state = out_mad->data[32] & 0xf; props->phys_state = out_mad->data[33] >> 4; props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); if (netw_view) props->gid_tbl_len = out_mad->data[50]; else props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); props->active_width = out_mad->data[31] & 0xf; props->active_speed = out_mad->data[35] >> 4; props->max_mtu = out_mad->data[41] & 0xf; props->active_mtu = out_mad->data[36] >> 4; props->subnet_timeout = out_mad->data[51] & 0x1f; props->max_vl_num = out_mad->data[37] >> 4; props->init_type_reply = out_mad->data[41] >> 4; /* Check if extended speeds (EDR/FDR/...) are supported */ if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { ext_active_speed = out_mad->data[62] >> 4; switch (ext_active_speed) { case 1: props->active_speed = IB_SPEED_FDR; break; case 2: props->active_speed = IB_SPEED_EDR; break; } } /* If reported active speed is QDR, check if is FDR-10 */ if (props->active_speed == IB_SPEED_QDR) { init_query_mad(in_mad); in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; in_mad->attr_mod = cpu_to_be32(port); err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); if (err) goto out; /* Checking LinkSpeedActive for FDR-10 */ if (out_mad->data[15] & 0x1) props->active_speed = IB_SPEED_FDR10; } /* Avoid wrong speed value returned by FW if the IB link is down. */ if (props->state == IB_PORT_DOWN) props->active_speed = IB_SPEED_SDR; out: kfree(in_mad); kfree(out_mad); return err; } static u8 state_to_phys_state(enum ib_port_state state) { return state == IB_PORT_ACTIVE ? 5 : 3; } static int eth_link_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props, int netw_view) { struct mlx4_ib_dev *mdev = to_mdev(ibdev); struct mlx4_ib_iboe *iboe = &mdev->iboe; struct net_device *ndev; enum ib_mtu tmp; struct mlx4_cmd_mailbox *mailbox; unsigned long flags; int err = 0; mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); if (err) goto out; props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? IB_WIDTH_4X : IB_WIDTH_1X; props->active_speed = IB_SPEED_QDR; props->port_cap_flags = IB_PORT_CM_SUP; if (netw_view) props->gid_tbl_len = MLX4_ROCE_MAX_GIDS; else props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; props->max_msg_sz = mdev->dev->caps.max_msg_sz; props->pkey_tbl_len = 1; props->max_mtu = IB_MTU_4096; props->max_vl_num = 2; props->state = IB_PORT_DOWN; props->phys_state = state_to_phys_state(props->state); props->active_mtu = IB_MTU_256; spin_lock_irqsave(&iboe->lock, flags); ndev = iboe->netdevs[port - 1]; if (!ndev) goto out_unlock; tmp = iboe_get_mtu(ndev->if_mtu); props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? IB_PORT_ACTIVE : IB_PORT_DOWN; props->phys_state = state_to_phys_state(props->state); out_unlock: spin_unlock_irqrestore(&iboe->lock, flags); out: mlx4_free_cmd_mailbox(mdev->dev, mailbox); return err; } int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props, int netw_view) { int err; memset(props, 0, sizeof *props); err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? ib_link_query_port(ibdev, port, props, netw_view) : eth_link_query_port(ibdev, port, props, netw_view); return err; } static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props) { /* returns host view */ return __mlx4_ib_query_port(ibdev, port, props, 0); } int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid, int netw_view) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int err = -ENOMEM; struct mlx4_ib_dev *dev = to_mdev(ibdev); int clear = 0; int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) goto out; init_query_mad(in_mad); in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; in_mad->attr_mod = cpu_to_be32(port); if (mlx4_is_mfunc(dev->dev) && netw_view) mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); if (err) goto out; memcpy(gid->raw, out_mad->data + 8, 8); if (mlx4_is_mfunc(dev->dev) && !netw_view) { if (index) { /* For any index > 0, return the null guid */ err = 0; clear = 1; goto out; } } init_query_mad(in_mad); in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; in_mad->attr_mod = cpu_to_be32(index / 8); err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); if (err) goto out; memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); out: if (clear) memset(gid->raw + 8, 0, 8); kfree(in_mad); kfree(out_mad); return err; } static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid) { struct mlx4_ib_dev *dev = to_mdev(ibdev); *gid = dev->iboe.gid_table[port - 1][index]; return 0; } static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid) { if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); else return iboe_query_gid(ibdev, port, index, gid); } int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey, int netw_view) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; int err = -ENOMEM; in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) goto out; init_query_mad(in_mad); in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; in_mad->attr_mod = cpu_to_be32(index / 32); if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); if (err) goto out; *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); out: kfree(in_mad); kfree(out_mad); return err; } static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) { return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); } static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, struct ib_device_modify *props) { struct mlx4_cmd_mailbox *mailbox; unsigned long flags; if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) return -EOPNOTSUPP; if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) return 0; if (mlx4_is_slave(to_mdev(ibdev)->dev)) return -EOPNOTSUPP; spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); memcpy(ibdev->node_desc, props->node_desc, 64); spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); /* * If possible, pass node desc to FW, so it can generate * a 144 trap. If cmd fails, just ignore. */ mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); if (IS_ERR(mailbox)) return 0; memset(mailbox->buf, 0, 256); memcpy(mailbox->buf, props->node_desc, 64); mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); return 0; } static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, u32 cap_mask) { struct mlx4_cmd_mailbox *mailbox; int err; u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; mailbox = mlx4_alloc_cmd_mailbox(dev->dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); memset(mailbox->buf, 0, 256); if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); } else { ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); } err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev->dev, mailbox); return err; } static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, struct ib_port_modify *props) { struct ib_port_attr attr; u32 cap_mask; int err; mutex_lock(&to_mdev(ibdev)->cap_mask_mutex); err = mlx4_ib_query_port(ibdev, port, &attr); if (err) goto out; cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & ~props->clr_port_cap_mask; err = mlx4_SET_PORT(to_mdev(ibdev), port, !!(mask & IB_PORT_RESET_QKEY_CNTR), cap_mask); out: mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); return err; } static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, struct ib_udata *udata) { struct mlx4_ib_dev *dev = to_mdev(ibdev); struct mlx4_ib_ucontext *context; struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3; struct mlx4_ib_alloc_ucontext_resp resp; int err; if (!dev->ib_active) return ERR_PTR(-EAGAIN); if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) { resp_v3.qp_tab_size = dev->dev->caps.num_qps; if (mlx4_wc_enabled()) { resp_v3.bf_reg_size = dev->dev->caps.bf_reg_size; resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; } else { resp_v3.bf_reg_size = 0; resp_v3.bf_regs_per_page = 0; } } else { resp.dev_caps = dev->dev->caps.userspace_caps; resp.qp_tab_size = dev->dev->caps.num_qps; if (mlx4_wc_enabled()) { resp.bf_reg_size = dev->dev->caps.bf_reg_size; resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; } else { resp.bf_reg_size = 0; resp.bf_regs_per_page = 0; } resp.cqe_size = dev->dev->caps.cqe_size; } context = kmalloc(sizeof *context, GFP_KERNEL); if (!context) return ERR_PTR(-ENOMEM); err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); if (err) { kfree(context); return ERR_PTR(err); } INIT_LIST_HEAD(&context->db_page_list); mutex_init(&context->db_page_mutex); if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3)); else err = ib_copy_to_udata(udata, &resp, sizeof(resp)); if (err) { mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); kfree(context); return ERR_PTR(-EFAULT); } return &context->ibucontext; } static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) { struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); kfree(context); return 0; } /* XXX FBSD has no support for get_unmapped_area function */ #if 0 static unsigned long mlx4_ib_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct mm_struct *mm; struct vm_area_struct *vma; unsigned long start_addr; unsigned long page_size_order; unsigned long command; mm = current->mm; if (addr) return current->mm->get_unmapped_area(file, addr, len, pgoff, flags); /* Last 8 bits hold the command others are data per that command */ command = pgoff & MLX4_IB_MMAP_CMD_MASK; if (command != MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES) return current->mm->get_unmapped_area(file, addr, len, pgoff, flags); page_size_order = pgoff >> MLX4_IB_MMAP_CMD_BITS; /* code is based on the huge-pages get_unmapped_area code */ start_addr = mm->free_area_cache; if (len <= mm->cached_hole_size) start_addr = TASK_UNMAPPED_BASE; full_search: addr = ALIGN(start_addr, 1 << page_size_order); for (vma = find_vma(mm, addr); ; vma = vma->vm_next) { /* At this point: (!vma || addr < vma->vm_end). */ if (TASK_SIZE - len < addr) { /* * Start a new search - just in case we missed * some holes. */ if (start_addr != TASK_UNMAPPED_BASE) { start_addr = TASK_UNMAPPED_BASE; goto full_search; } return -ENOMEM; } if (!vma || addr + len <= vma->vm_start) return addr; addr = ALIGN(vma->vm_end, 1 << page_size_order); } } #endif static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) { struct mlx4_ib_dev *dev = to_mdev(context->device); /* Last 8 bits hold the command others are data per that command */ unsigned long command = vma->vm_pgoff & MLX4_IB_MMAP_CMD_MASK; if (command < MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES) { /* compatibility handling for commands 0 & 1*/ if (vma->vm_end - vma->vm_start != PAGE_SIZE) return -EINVAL; } if (command == MLX4_IB_MMAP_UAR_PAGE) { vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); if (io_remap_pfn_range(vma, vma->vm_start, to_mucontext(context)->uar.pfn, PAGE_SIZE, vma->vm_page_prot)) return -EAGAIN; } else if (command == MLX4_IB_MMAP_BLUE_FLAME_PAGE && dev->dev->caps.bf_reg_size != 0) { vma->vm_page_prot = pgprot_wc(vma->vm_page_prot); if (io_remap_pfn_range(vma, vma->vm_start, to_mucontext(context)->uar.pfn + dev->dev->caps.num_uars, PAGE_SIZE, vma->vm_page_prot)) return -EAGAIN; } else if (command == MLX4_IB_MMAP_GET_HW_CLOCK) { struct mlx4_clock_params params; int ret; ret = mlx4_get_internal_clock_params(dev->dev, ¶ms); if (ret) return ret; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); if (io_remap_pfn_range(vma, vma->vm_start, (pci_resource_start(dev->dev->pdev, params.bar) + params.offset) >> PAGE_SHIFT, PAGE_SIZE, vma->vm_page_prot)) return -EAGAIN; } else return -EINVAL; return 0; } static int mlx4_ib_ioctl(struct ib_ucontext *context, unsigned int cmd, unsigned long arg) { struct mlx4_ib_dev *dev = to_mdev(context->device); int ret; int offset; switch (cmd) { case MLX4_IOCHWCLOCKOFFSET: { struct mlx4_clock_params params; int ret; ret = mlx4_get_internal_clock_params(dev->dev, ¶ms); if (!ret) { offset = params.offset % PAGE_SIZE; ret = put_user(offset, (int *)arg); return sizeof(int); } else { return ret; } } default: { pr_err("mlx4_ib: invalid ioctl %u command with arg %lX\n", cmd, arg); return -ENOTTY; } } return ret; } static int mlx4_ib_query_values(struct ib_device *device, int q_values, struct ib_device_values *values) { struct mlx4_ib_dev *dev = to_mdev(device); cycle_t cycles; values->values_mask = 0; if (q_values & IBV_VALUES_HW_CLOCK) { cycles = mlx4_read_clock(dev->dev); if (cycles < 0) { values->hwclock = cycles & CORE_CLOCK_MASK; values->values_mask |= IBV_VALUES_HW_CLOCK; } q_values &= ~IBV_VALUES_HW_CLOCK; } if (q_values) return -ENOTTY; return 0; } static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata) { struct mlx4_ib_pd *pd; int err; pd = kmalloc(sizeof *pd, GFP_KERNEL); if (!pd) return ERR_PTR(-ENOMEM); err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); if (err) { kfree(pd); return ERR_PTR(err); } if (context) if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); kfree(pd); return ERR_PTR(-EFAULT); } return &pd->ibpd; } static int mlx4_ib_dealloc_pd(struct ib_pd *pd) { mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); kfree(pd); return 0; } static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata) { struct mlx4_ib_xrcd *xrcd; int err; if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) return ERR_PTR(-ENOSYS); xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); if (!xrcd) return ERR_PTR(-ENOMEM); err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); if (err) goto err1; xrcd->pd = ib_alloc_pd(ibdev); if (IS_ERR(xrcd->pd)) { err = PTR_ERR(xrcd->pd); goto err2; } xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, 1, 0); if (IS_ERR(xrcd->cq)) { err = PTR_ERR(xrcd->cq); goto err3; } return &xrcd->ibxrcd; err3: ib_dealloc_pd(xrcd->pd); err2: mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); err1: kfree(xrcd); return ERR_PTR(err); } static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) { ib_destroy_cq(to_mxrcd(xrcd)->cq); ib_dealloc_pd(to_mxrcd(xrcd)->pd); mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); kfree(xrcd); return 0; } static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) { struct mlx4_ib_qp *mqp = to_mqp(ibqp); struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); struct mlx4_ib_gid_entry *ge; ge = kzalloc(sizeof *ge, GFP_KERNEL); if (!ge) return -ENOMEM; ge->gid = *gid; if (mlx4_ib_add_mc(mdev, mqp, gid)) { ge->port = mqp->port; ge->added = 1; } mutex_lock(&mqp->mutex); list_add_tail(&ge->list, &mqp->gid_list); mutex_unlock(&mqp->mutex); return 0; } int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, union ib_gid *gid) { u8 mac[6]; struct net_device *ndev; int ret = 0; if (!mqp->port) return 0; spin_lock(&mdev->iboe.lock); ndev = mdev->iboe.netdevs[mqp->port - 1]; if (ndev) dev_hold(ndev); spin_unlock(&mdev->iboe.lock); if (ndev) { rdma_get_mcast_mac((struct in6_addr *)gid, mac); rtnl_lock(); dev_mc_add(mdev->iboe.netdevs[mqp->port - 1], mac, 6, 0); ret = 1; rtnl_unlock(); dev_put(ndev); } return ret; } struct mlx4_ib_steering { struct list_head list; u64 reg_id; union ib_gid gid; }; static int parse_flow_attr(struct mlx4_dev *dev, union ib_flow_spec *ib_spec, struct _rule_hw *mlx4_spec) { enum mlx4_net_trans_rule_id type; switch (ib_spec->type) { case IB_FLOW_SPEC_ETH: type = MLX4_NET_TRANS_RULE_ID_ETH; memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac, ETH_ALEN); memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac, ETH_ALEN); mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag; mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag; break; case IB_FLOW_SPEC_IB: type = MLX4_NET_TRANS_RULE_ID_IB; mlx4_spec->ib.l3_qpn = ib_spec->ib.val.l3_type_qpn; mlx4_spec->ib.qpn_mask = ib_spec->ib.mask.l3_type_qpn; memcpy(&mlx4_spec->ib.dst_gid, ib_spec->ib.val.dst_gid, 16); memcpy(&mlx4_spec->ib.dst_gid_msk, ib_spec->ib.mask.dst_gid, 16); break; case IB_FLOW_SPEC_IPV4: type = MLX4_NET_TRANS_RULE_ID_IPV4; mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip; mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip; mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip; mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip; break; case IB_FLOW_SPEC_TCP: case IB_FLOW_SPEC_UDP: type = ib_spec->type == IB_FLOW_SPEC_TCP ? MLX4_NET_TRANS_RULE_ID_TCP : MLX4_NET_TRANS_RULE_ID_UDP; mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port; mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port; mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port; mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port; break; default: return -EINVAL; } if (map_sw_to_hw_steering_id(dev, type) < 0 || hw_rule_sz(dev, type) < 0) return -EINVAL; mlx4_spec->id = cpu_to_be16(map_sw_to_hw_steering_id(dev, type)); mlx4_spec->size = hw_rule_sz(dev, type) >> 2; return hw_rule_sz(dev, type); } static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, int domain, enum mlx4_net_trans_promisc_mode flow_type, u64 *reg_id) { int ret, i; int size = 0; void *ib_flow; struct mlx4_ib_dev *mdev = to_mdev(qp->device); struct mlx4_cmd_mailbox *mailbox; struct mlx4_net_trans_rule_hw_ctrl *ctrl; size_t rule_size = sizeof(struct mlx4_net_trans_rule_hw_ctrl) + (sizeof(struct _rule_hw) * flow_attr->num_of_specs); static const u16 __mlx4_domain[] = { [IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS, [IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL, [IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS, [IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC, }; if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) { pr_err("Invalid priority value.\n"); return -EINVAL; } if (domain >= IB_FLOW_DOMAIN_NUM) { pr_err("Invalid domain value.\n"); return -EINVAL; } if (map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0) return -EINVAL; mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); memset(mailbox->buf, 0, rule_size); ctrl = mailbox->buf; ctrl->prio = cpu_to_be16(__mlx4_domain[domain] | flow_attr->priority); ctrl->type = map_sw_to_hw_steering_mode(mdev->dev, flow_type); ctrl->port = flow_attr->port; ctrl->qpn = cpu_to_be32(qp->qp_num); if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_ALLOW_LOOP_BACK) ctrl->flags = (1 << 3); ib_flow = flow_attr + 1; size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); for (i = 0; i < flow_attr->num_of_specs; i++) { ret = parse_flow_attr(mdev->dev, ib_flow, mailbox->buf + size); if (ret < 0) { mlx4_free_cmd_mailbox(mdev->dev, mailbox); return -EINVAL; } ib_flow += ((union ib_flow_spec *)ib_flow)->size; size += ret; } ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0, MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (ret == -ENOMEM) pr_err("mcg table is full. Fail to register network rule.\n"); else if (ret == -ENXIO) pr_err("Device managed flow steering is disabled. Fail to register network rule.\n"); else if (ret) pr_err("Invalid argumant. Fail to register network rule.\n"); mlx4_free_cmd_mailbox(mdev->dev, mailbox); return ret; } static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) { int err; err = mlx4_cmd(dev, reg_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) pr_err("Fail to detach network rule. registration id = 0x%llx\n", (unsigned long long)reg_id); return err; } static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, int domain) { int err = 0, i = 0; struct mlx4_ib_flow *mflow; enum mlx4_net_trans_promisc_mode type[2]; memset(type, 0, sizeof(type)); mflow = kzalloc(sizeof(struct mlx4_ib_flow), GFP_KERNEL); if (!mflow) { err = -ENOMEM; goto err_free; } switch (flow_attr->type) { case IB_FLOW_ATTR_NORMAL: type[0] = MLX4_FS_REGULAR; break; case IB_FLOW_ATTR_ALL_DEFAULT: type[0] = MLX4_FS_ALL_DEFAULT; break; case IB_FLOW_ATTR_MC_DEFAULT: type[0] = MLX4_FS_MC_DEFAULT; break; case IB_FLOW_ATTR_SNIFFER: type[0] = MLX4_FS_UC_SNIFFER; type[1] = MLX4_FS_MC_SNIFFER; break; default: err = -EINVAL; goto err_free; } while (i < ARRAY_SIZE(type) && type[i]) { err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], &mflow->reg_id[i]); if (err) goto err_free; i++; } return &mflow->ibflow; err_free: kfree(mflow); return ERR_PTR(err); } static int mlx4_ib_destroy_flow(struct ib_flow *flow_id) { int err, ret = 0; int i = 0; struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device); struct mlx4_ib_flow *mflow = to_mflow(flow_id); while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i]) { err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i]); if (err) ret = err; i++; } kfree(mflow); return ret; } static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) { struct mlx4_ib_gid_entry *ge; struct mlx4_ib_gid_entry *tmp; struct mlx4_ib_gid_entry *ret = NULL; list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { if (!memcmp(raw, ge->gid.raw, 16)) { ret = ge; break; } } return ret; } static int del_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) { struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); struct mlx4_ib_qp *mqp = to_mqp(ibqp); struct mlx4_ib_gid_entry *ge; struct net_device *ndev; u8 mac[6]; mutex_lock(&mqp->mutex); ge = find_gid_entry(mqp, gid->raw); if (ge) { spin_lock(&mdev->iboe.lock); ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; if (ndev) dev_hold(ndev); spin_unlock(&mdev->iboe.lock); rdma_get_mcast_mac((struct in6_addr *)gid, mac); if (ndev) { rtnl_lock(); dev_mc_delete(mdev->iboe.netdevs[ge->port - 1], mac, 6, 0); rtnl_unlock(); dev_put(ndev); } list_del(&ge->list); kfree(ge); } else pr_warn("could not find mgid entry\n"); mutex_unlock(&mqp->mutex); return ge != NULL ? 0 : -EINVAL; } static int _mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid, int count) { int err; struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); struct mlx4_ib_qp *mqp = to_mqp(ibqp); u64 reg_id = 0; int record_err = 0; if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { struct mlx4_ib_steering *ib_steering; struct mlx4_ib_steering *tmp; LIST_HEAD(temp); mutex_lock(&mqp->mutex); list_for_each_entry_safe(ib_steering, tmp, &mqp->steering_rules, list) { if (memcmp(ib_steering->gid.raw, gid->raw, 16)) continue; if (--count < 0) break; list_del(&ib_steering->list); list_add(&ib_steering->list, &temp); } mutex_unlock(&mqp->mutex); list_for_each_entry_safe(ib_steering, tmp, &temp, list) { reg_id = ib_steering->reg_id; err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, (ibqp->qp_type == IB_QPT_RAW_PACKET) ? MLX4_PROT_ETH : MLX4_PROT_IB_IPV6, reg_id); if (err) { record_err = record_err ?: err; continue; } err = del_gid_entry(ibqp, gid); if (err) { record_err = record_err ?: err; continue; } list_del(&ib_steering->list); kfree(ib_steering); } mutex_lock(&mqp->mutex); list_for_each_entry(ib_steering, &temp, list) { list_add(&ib_steering->list, &mqp->steering_rules); } mutex_unlock(&mqp->mutex); if (count) { pr_warn("Couldn't release all reg_ids for mgid. Steering rule is left attached\n"); return -EINVAL; } } else { if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_B0 && ibqp->qp_type == IB_QPT_RAW_PACKET) gid->raw[5] = mqp->port; err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, (ibqp->qp_type == IB_QPT_RAW_PACKET) ? MLX4_PROT_ETH : MLX4_PROT_IB_IPV6, reg_id); if (err) return err; err = del_gid_entry(ibqp, gid); if (err) return err; } return record_err; } static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) { struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); int count = (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) ? mdev->dev->caps.num_ports : 1; return _mlx4_ib_mcg_detach(ibqp, gid, lid, count); } static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) { int err = -ENODEV; struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); struct mlx4_ib_qp *mqp = to_mqp(ibqp); DECLARE_BITMAP(ports, MLX4_MAX_PORTS); int i = 0; if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_B0 && ibqp->qp_type == IB_QPT_RAW_PACKET) gid->raw[5] = mqp->port; if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { bitmap_fill(ports, mdev->dev->caps.num_ports); } else { if (mqp->port <= mdev->dev->caps.num_ports) { bitmap_zero(ports, mdev->dev->caps.num_ports); set_bit(0, ports); } else { return -EINVAL; } } for (; i < mdev->dev->caps.num_ports; i++) { u64 reg_id; struct mlx4_ib_steering *ib_steering = NULL; if (!test_bit(i, ports)) continue; if (mdev->dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); if (!ib_steering) goto err_add; } err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, i + 1, !!(mqp->flags & MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), (ibqp->qp_type == IB_QPT_RAW_PACKET) ? MLX4_PROT_ETH : MLX4_PROT_IB_IPV6, ®_id); if (err) { kfree(ib_steering); goto err_add; } err = add_gid_entry(ibqp, gid); if (err) { mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, MLX4_PROT_IB_IPV6, reg_id); kfree(ib_steering); goto err_add; } if (ib_steering) { memcpy(ib_steering->gid.raw, gid->raw, 16); mutex_lock(&mqp->mutex); list_add(&ib_steering->list, &mqp->steering_rules); mutex_unlock(&mqp->mutex); ib_steering->reg_id = reg_id; } } return 0; err_add: if (i > 0) _mlx4_ib_mcg_detach(ibqp, gid, lid, i); return err; } static int init_node_data(struct mlx4_ib_dev *dev) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; int err = -ENOMEM; in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) goto out; init_query_mad(in_mad); in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; if (mlx4_is_master(dev->dev)) mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); if (err) goto out; memcpy(dev->ib_dev.node_desc, out_mad->data, 64); in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); if (err) goto out; dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); out: kfree(in_mad); kfree(out_mad); return err; } static ssize_t show_hca(struct device *device, struct device_attribute *attr, char *buf) { struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); return sprintf(buf, "MT%d\n", dev->dev->pdev->device); } static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, char *buf) { struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, (int) dev->dev->caps.fw_ver & 0xffff); } static ssize_t show_rev(struct device *device, struct device_attribute *attr, char *buf) { struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); return sprintf(buf, "%x\n", dev->dev->rev_id); } static ssize_t show_board(struct device *device, struct device_attribute *attr, char *buf) { struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, dev->dev->board_id); } static ssize_t show_vsd(struct device *device, struct device_attribute *attr, char *buf) { struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); ssize_t len = MLX4_VSD_LEN; if (dev->dev->vsd_vendor_id == PCI_VENDOR_ID_MELLANOX) len = sprintf(buf, "%.*s\n", MLX4_VSD_LEN, dev->dev->vsd); else memcpy(buf, dev->dev->vsd, MLX4_VSD_LEN); return len; } static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); static DEVICE_ATTR(vsd, S_IRUGO, show_vsd, NULL); static struct device_attribute *mlx4_class_attributes[] = { &dev_attr_hw_rev, &dev_attr_fw_ver, &dev_attr_hca_type, &dev_attr_board_id, &dev_attr_vsd }; static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, struct net_device *dev, u8 port) { memcpy(eui, IF_LLADDR(dev), 3); memcpy(eui + 5, IF_LLADDR(dev) + 3, 3); if (vlan_id < 0x1000) { eui[3] = vlan_id >> 8; eui[4] = vlan_id & 0xff; } else { eui[3] = 0xff; eui[4] = 0xfe; } eui[0] ^= 2; } static void update_gids_task(struct work_struct *work) { struct update_gid_work *gw = container_of(work, struct update_gid_work, work); struct mlx4_cmd_mailbox *mailbox; union ib_gid *gids; int err; struct mlx4_dev *dev = gw->dev->dev; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) { pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox)); goto free; } gids = mailbox->buf; memcpy(gids, gw->gids, sizeof gw->gids); if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == IB_LINK_LAYER_ETHERNET) { err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); if (err) pr_warn("set port command failed\n"); else mlx4_ib_dispatch_event(gw->dev, gw->port, IB_EVENT_GID_CHANGE); } mlx4_free_cmd_mailbox(dev, mailbox); free: kfree(gw); } static struct net_device *mlx4_ib_get_netdev(struct ib_device *device, u8 port_num) { struct mlx4_ib_dev *ibdev = to_mdev(device); return mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port_num); } static void reset_gids_task(struct work_struct *work) { struct update_gid_work *gw = container_of(work, struct update_gid_work, work); struct mlx4_cmd_mailbox *mailbox; union ib_gid *gids; int err; struct mlx4_dev *dev = gw->dev->dev; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) { pr_warn("reset gid table failed\n"); goto free; } gids = mailbox->buf; memcpy(gids, gw->gids, sizeof(gw->gids)); if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, 1) == IB_LINK_LAYER_ETHERNET && dev->caps.num_ports > 0) { err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | 1, 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); if (err) pr_warn("set port 1 command failed\n"); } if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, 2) == IB_LINK_LAYER_ETHERNET && dev->caps.num_ports > 1) { err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | 2, 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); if (err) pr_warn("set port 2 command failed\n"); } mlx4_free_cmd_mailbox(dev, mailbox); free: kfree(gw); } static int update_gid_table(struct mlx4_ib_dev *dev, int port, union ib_gid *gid, int clear, int default_gid) { struct update_gid_work *work; int i; int need_update = 0; int free = -1; int found = -1; int max_gids; int start_index = !default_gid; max_gids = dev->dev->caps.gid_table_len[port]; for (i = start_index; i < max_gids; ++i) { if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, sizeof(*gid))) found = i; if (clear) { if (found >= 0) { need_update = 1; dev->iboe.gid_table[port - 1][found] = zgid; break; } } else { if (found >= 0) break; if (free < 0 && !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof(*gid))) free = i; } } if (found == -1 && !clear && free < 0) { pr_err("GID table of port %d is full. Can't add "GID_PRINT_FMT"\n", port, GID_PRINT_ARGS(gid)); return -ENOMEM; } if (found == -1 && clear) { pr_err(GID_PRINT_FMT" is not in GID table of port %d\n", GID_PRINT_ARGS(gid), port); return -EINVAL; } if (found == -1 && !clear && free >= 0) { dev->iboe.gid_table[port - 1][free] = *gid; need_update = 1; } if (!need_update) return 0; work = kzalloc(sizeof *work, GFP_ATOMIC); if (!work) return -ENOMEM; memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids)); INIT_WORK(&work->work, update_gids_task); work->port = port; work->dev = dev; queue_work(wq, &work->work); return 0; } static int reset_gid_table(struct mlx4_ib_dev *dev) { struct update_gid_work *work; work = kzalloc(sizeof(*work), GFP_ATOMIC); if (!work) return -ENOMEM; memset(dev->iboe.gid_table, 0, sizeof(dev->iboe.gid_table)); memset(work->gids, 0, sizeof(work->gids)); INIT_WORK(&work->work, reset_gids_task); work->dev = dev; queue_work(wq, &work->work); return 0; } /* XXX BOND Related - stub (no support for these flags in FBSD)*/ static inline int netif_is_bond_master(struct net_device *dev) { #if 0 return (dev->flags & IFF_MASTER) && (dev->priv_flags & IFF_BONDING); #endif return 0; } static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid, u8 port) { gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev, port); } static u8 mlx4_ib_get_dev_port(struct net_device *dev, struct mlx4_ib_dev *ibdev) { u8 port = 0; struct mlx4_ib_iboe *iboe; struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ? rdma_vlan_dev_real_dev(dev) : dev; iboe = &ibdev->iboe; for (port = 1; port <= MLX4_MAX_PORTS; ++port) if ((netif_is_bond_master(real_dev) && (real_dev == iboe->masters[port - 1])) || (!netif_is_bond_master(real_dev) && (real_dev == iboe->netdevs[port - 1]))) break; return port > MLX4_MAX_PORTS ? 0 : port; } static void mlx4_ib_get_dev_addr(struct net_device *dev, struct mlx4_ib_dev *ibdev, u8 port) { struct ifaddr *ifa; #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) struct inet6_dev *in6_dev; union ib_gid *pgid; struct inet6_ifaddr *ifp; #endif union ib_gid gid; if ((port == 0) || (port > MLX4_MAX_PORTS)) return; /* IPv4 gids */ TAILQ_FOREACH(ifa, &dev->if_addrhead, ifa_link) { if (ifa->ifa_addr && ifa->ifa_addr->sa_family == AF_INET){ ipv6_addr_set_v4mapped( ((struct sockaddr_in *) ifa->ifa_addr)->sin_addr.s_addr, (struct in6_addr *)&gid); update_gid_table(ibdev, port, &gid, 0, 0); } } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) /* IPv6 gids */ in6_dev = in6_dev_get(dev); if (in6_dev) { read_lock_bh(&in6_dev->lock); list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { pgid = (union ib_gid *)&ifp->addr; update_gid_table(ibdev, port, pgid, 0, 0); } read_unlock_bh(&in6_dev->lock); in6_dev_put(in6_dev); } #endif } static void mlx4_set_default_gid(struct mlx4_ib_dev *ibdev, struct net_device *dev, u8 port) { union ib_gid gid; mlx4_make_default_gid(dev, &gid, port); update_gid_table(ibdev, port, &gid, 0, 1); } static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) { struct net_device *dev; if (reset_gid_table(ibdev)) return -1; IFNET_RLOCK_NOSLEEP(); TAILQ_FOREACH(dev, &V_ifnet, if_link) { u8 port = mlx4_ib_get_dev_port(dev, ibdev); if (port) { if (!rdma_vlan_dev_real_dev(dev) && !netif_is_bond_master(dev)) mlx4_set_default_gid(ibdev, dev, port); mlx4_ib_get_dev_addr(dev, ibdev, port); } } IFNET_RUNLOCK_NOSLEEP(); return 0; } static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev, struct net_device *dev, unsigned long event) { struct mlx4_ib_iboe *iboe; int port; int init = 0; unsigned long flags; iboe = &ibdev->iboe; spin_lock_irqsave(&iboe->lock, flags); mlx4_foreach_ib_transport_port(port, ibdev->dev) { struct net_device *old_netdev = iboe->netdevs[port - 1]; /* XXX BOND related */ #if 0 struct net_device *old_master = iboe->masters[port - 1]; #endif iboe->masters[port - 1] = NULL; iboe->netdevs[port - 1] = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); if (old_netdev != iboe->netdevs[port - 1]) init = 1; if (dev == iboe->netdevs[port - 1] && event == NETDEV_CHANGEADDR) init = 1; /* XXX BOND related */ #if 0 if (iboe->netdevs[port - 1] && netif_is_bond_slave(iboe->netdevs[port - 1])) iboe->masters[port - 1] = iboe->netdevs[port - 1]->master; /* if bonding is used it is possible that we add it to masters only after IP address is assigned to the net bonding interface */ if (old_master != iboe->masters[port - 1]) init = 1; #endif } spin_unlock_irqrestore(&iboe->lock, flags); if (init) if (mlx4_ib_init_gid_table(ibdev)) pr_warn("Fail to reset gid table\n"); } static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *dev = ptr; struct mlx4_ib_dev *ibdev; ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); mlx4_ib_scan_netdevs(ibdev, dev, event); return NOTIFY_DONE; } /* This function initializes the gid table only if the event_netdev real device is an iboe * device, will be invoked by the inet/inet6 events */ static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *event_netdev = ptr; struct mlx4_ib_dev *ibdev; struct mlx4_ib_iboe *ibdev_iboe; int port = 0; ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet); struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? rdma_vlan_dev_real_dev(event_netdev) : event_netdev; ibdev_iboe = &ibdev->iboe; port = mlx4_ib_get_dev_port(real_dev, ibdev); /* Perform init_gid_table if the event real_dev is the net_device which represents this port, * otherwise this event is not related and would be ignored.*/ if(port && (real_dev == ibdev_iboe->netdevs[port - 1])) if (mlx4_ib_init_gid_table(ibdev)) pr_warn("Fail to reset gid table\n"); return NOTIFY_DONE; } static void init_pkeys(struct mlx4_ib_dev *ibdev) { int port; int slave; int i; if (mlx4_is_master(ibdev->dev)) { for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) { for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { for (i = 0; i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; ++i) { ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = /* master has the identity virt2phys pkey mapping */ (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; mlx4_sync_pkey_table(ibdev->dev, slave, port, i, ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); } } } /* initialize pkey cache */ for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { for (i = 0; i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; ++i) ibdev->pkeys.phys_pkey_cache[port-1][i] = (i) ? 0 : 0xFFFF; } } } static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) { char name[32]; int eq_per_port = 0; int added_eqs = 0; int total_eqs = 0; int i, j, eq; /* Legacy mode or comp_pool is not large enough */ if (dev->caps.comp_pool == 0 || dev->caps.num_ports > dev->caps.comp_pool) return; eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/ dev->caps.num_ports); /* Init eq table */ added_eqs = 0; mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) added_eqs += eq_per_port; total_eqs = dev->caps.num_comp_vectors + added_eqs; ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL); if (!ibdev->eq_table) return; ibdev->eq_added = added_eqs; eq = 0; mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) { for (j = 0; j < eq_per_port; j++) { sprintf(name, "mlx4-ib-%d-%d@%d:%d:%d:%d", i, j, pci_get_domain(dev->pdev->dev.bsddev), pci_get_bus(dev->pdev->dev.bsddev), PCI_SLOT(dev->pdev->devfn), PCI_FUNC(dev->pdev->devfn)); /* Set IRQ for specific name (per ring) */ if (mlx4_assign_eq(dev, name, &ibdev->eq_table[eq])) { /* Use legacy (same as mlx4_en driver) */ pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq); ibdev->eq_table[eq] = (eq % dev->caps.num_comp_vectors); } eq++; } } /* Fill the reset of the vector with legacy EQ */ for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++) ibdev->eq_table[eq++] = i; /* Advertise the new number of EQs to clients */ ibdev->ib_dev.num_comp_vectors = total_eqs; } static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) { int i; /* no additional eqs were added */ if (!ibdev->eq_table) return; /* Reset the advertised EQ number */ ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; /* Free only the added eqs */ for (i = 0; i < ibdev->eq_added; i++) { /* Don't free legacy eqs if used */ if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors) continue; mlx4_release_eq(dev, ibdev->eq_table[i]); } kfree(ibdev->eq_table); } /* * create show function and a device_attribute struct pointing to * the function for _name */ #define DEVICE_DIAG_RPRT_ATTR(_name, _offset, _op_mod) \ static ssize_t show_rprt_##_name(struct device *dev, \ struct device_attribute *attr, \ char *buf){ \ return show_diag_rprt(dev, buf, _offset, _op_mod); \ } \ static DEVICE_ATTR(_name, S_IRUGO, show_rprt_##_name, NULL); #define MLX4_DIAG_RPRT_CLEAR_DIAGS 3 static size_t show_diag_rprt(struct device *device, char *buf, u32 offset, u8 op_modifier) { size_t ret; u32 counter_offset = offset; u32 diag_counter = 0; struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); ret = mlx4_query_diag_counters(dev->dev, 1, op_modifier, &counter_offset, &diag_counter); if (ret) return ret; return sprintf(buf, "%d\n", diag_counter); } static ssize_t clear_diag_counters(struct device *device, struct device_attribute *attr, const char *buf, size_t length) { size_t ret; struct mlx4_ib_dev *dev = container_of(device, struct mlx4_ib_dev, ib_dev.dev); ret = mlx4_query_diag_counters(dev->dev, 0, MLX4_DIAG_RPRT_CLEAR_DIAGS, NULL, NULL); if (ret) return ret; return length; } DEVICE_DIAG_RPRT_ATTR(rq_num_lle , 0x00, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_lle , 0x04, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_lqpoe , 0x08, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_lqpoe , 0x0C, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_lpe , 0x18, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_lpe , 0x1C, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_wrfe , 0x20, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_wrfe , 0x24, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_mwbe , 0x2C, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_bre , 0x34, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_lae , 0x38, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_rire , 0x44, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_rire , 0x48, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_rae , 0x4C, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_rae , 0x50, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_roe , 0x54, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_tree , 0x5C, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_rree , 0x64, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_rnr , 0x68, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_rnr , 0x6C, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_oos , 0x100, 2); DEVICE_DIAG_RPRT_ATTR(sq_num_oos , 0x104, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_mce , 0x108, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_udsdprd , 0x118, 2); DEVICE_DIAG_RPRT_ATTR(rq_num_ucsdprd , 0x120, 2); DEVICE_DIAG_RPRT_ATTR(num_cqovf , 0x1A0, 2); DEVICE_DIAG_RPRT_ATTR(num_eqovf , 0x1A4, 2); DEVICE_DIAG_RPRT_ATTR(num_baddb , 0x1A8, 2); static DEVICE_ATTR(clear_diag, S_IWUSR, NULL, clear_diag_counters); static struct attribute *diag_rprt_attrs[] = { &dev_attr_rq_num_lle.attr, &dev_attr_sq_num_lle.attr, &dev_attr_rq_num_lqpoe.attr, &dev_attr_sq_num_lqpoe.attr, &dev_attr_rq_num_lpe.attr, &dev_attr_sq_num_lpe.attr, &dev_attr_rq_num_wrfe.attr, &dev_attr_sq_num_wrfe.attr, &dev_attr_sq_num_mwbe.attr, &dev_attr_sq_num_bre.attr, &dev_attr_rq_num_lae.attr, &dev_attr_sq_num_rire.attr, &dev_attr_rq_num_rire.attr, &dev_attr_sq_num_rae.attr, &dev_attr_rq_num_rae.attr, &dev_attr_sq_num_roe.attr, &dev_attr_sq_num_tree.attr, &dev_attr_sq_num_rree.attr, &dev_attr_rq_num_rnr.attr, &dev_attr_sq_num_rnr.attr, &dev_attr_rq_num_oos.attr, &dev_attr_sq_num_oos.attr, &dev_attr_rq_num_mce.attr, &dev_attr_rq_num_udsdprd.attr, &dev_attr_rq_num_ucsdprd.attr, &dev_attr_num_cqovf.attr, &dev_attr_num_eqovf.attr, &dev_attr_num_baddb.attr, &dev_attr_clear_diag.attr, NULL }; static struct attribute_group diag_counters_group = { .name = "diag_counters", .attrs = diag_rprt_attrs }; static void init_dev_assign(void) { int i = 1; spin_lock_init(&dev_num_str_lock); if (mlx4_fill_dbdf2val_tbl(&dev_assign_str)) return; dev_num_str_bitmap = kmalloc(BITS_TO_LONGS(MAX_NUM_STR_BITMAP) * sizeof(long), GFP_KERNEL); if (!dev_num_str_bitmap) { pr_warn("bitmap alloc failed -- cannot apply dev_assign_str parameter\n"); return; } bitmap_zero(dev_num_str_bitmap, MAX_NUM_STR_BITMAP); while ((i < MLX4_DEVS_TBL_SIZE) && (dev_assign_str.tbl[i].dbdf != MLX4_ENDOF_TBL)) { if (bitmap_allocate_region(dev_num_str_bitmap, dev_assign_str.tbl[i].val[0], 0)) goto err; i++; } dr_active = 1; return; err: kfree(dev_num_str_bitmap); dev_num_str_bitmap = NULL; pr_warn("mlx4_ib: The value of 'dev_assign_str' parameter " "is incorrect. The parameter value is discarded!"); } static int mlx4_ib_dev_idx(struct mlx4_dev *dev) { int i, val; if (!dr_active) return -1; if (!dev) return -1; if (mlx4_get_val(dev_assign_str.tbl, dev->pdev, 0, &val)) return -1; if (val != DEFAULT_TBL_VAL) { dev->flags |= MLX4_FLAG_DEV_NUM_STR; return val; } spin_lock(&dev_num_str_lock); i = bitmap_find_free_region(dev_num_str_bitmap, MAX_NUM_STR_BITMAP, 0); spin_unlock(&dev_num_str_lock); if (i >= 0) return i; return -1; } static void *mlx4_ib_add(struct mlx4_dev *dev) { struct mlx4_ib_dev *ibdev; int num_ports = 0; int i, j; int err; struct mlx4_ib_iboe *iboe; int dev_idx; pr_info_once("%s", mlx4_ib_version); mlx4_foreach_ib_transport_port(i, dev) num_ports++; /* No point in registering a device with no ports... */ if (num_ports == 0) return NULL; ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); if (!ibdev) { dev_err(&dev->pdev->dev, "Device struct alloc failed\n"); return NULL; } iboe = &ibdev->iboe; if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) goto err_dealloc; if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) goto err_pd; ibdev->priv_uar.map = ioremap(ibdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE); if (!ibdev->priv_uar.map) goto err_uar; MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); ibdev->dev = dev; dev_idx = mlx4_ib_dev_idx(dev); if (dev_idx >= 0) sprintf(ibdev->ib_dev.name, "mlx4_%d", dev_idx); else strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); ibdev->ib_dev.owner = THIS_MODULE; ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; ibdev->num_ports = num_ports; ibdev->ib_dev.phys_port_cnt = ibdev->num_ports; ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; ibdev->ib_dev.dma_device = &dev->pdev->dev; if (dev->caps.userspace_caps) ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; else ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION; ibdev->ib_dev.uverbs_cmd_mask = (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | (1ull << IB_USER_VERBS_CMD_REG_MR) | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | (1ull << IB_USER_VERBS_CMD_OPEN_QP); ibdev->ib_dev.query_device = mlx4_ib_query_device; ibdev->ib_dev.query_port = mlx4_ib_query_port; ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; ibdev->ib_dev.query_gid = mlx4_ib_query_gid; ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; ibdev->ib_dev.modify_device = mlx4_ib_modify_device; ibdev->ib_dev.modify_port = mlx4_ib_modify_port; ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; ibdev->ib_dev.mmap = mlx4_ib_mmap; /* XXX FBSD has no support for get_unmapped_area function */ #if 0 ibdev->ib_dev.get_unmapped_area = mlx4_ib_get_unmapped_area; #endif ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; ibdev->ib_dev.create_ah = mlx4_ib_create_ah; ibdev->ib_dev.query_ah = mlx4_ib_query_ah; ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; ibdev->ib_dev.create_srq = mlx4_ib_create_srq; ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; ibdev->ib_dev.query_srq = mlx4_ib_query_srq; ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; ibdev->ib_dev.create_qp = mlx4_ib_create_qp; ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; ibdev->ib_dev.query_qp = mlx4_ib_query_qp; ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; ibdev->ib_dev.post_send = mlx4_ib_post_send; ibdev->ib_dev.post_recv = mlx4_ib_post_recv; ibdev->ib_dev.create_cq = mlx4_ib_create_cq; ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; ibdev->ib_dev.process_mad = mlx4_ib_process_mad; ibdev->ib_dev.get_netdev = mlx4_ib_get_netdev; ibdev->ib_dev.ioctl = mlx4_ib_ioctl; ibdev->ib_dev.query_values = mlx4_ib_query_values; if (!mlx4_is_slave(ibdev->dev)) { ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; } if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) { ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw; ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; ibdev->ib_dev.uverbs_cmd_mask |= (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); } if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; ibdev->ib_dev.uverbs_cmd_mask |= (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); } /* * Set experimental data */ ibdev->ib_dev.uverbs_exp_cmd_mask = (1ull << IB_USER_VERBS_EXP_CMD_CREATE_QP) | (1ull << IB_USER_VERBS_EXP_CMD_MODIFY_CQ) | (1ull << IB_USER_VERBS_EXP_CMD_QUERY_DEVICE) | (1ull << IB_USER_VERBS_EXP_CMD_CREATE_CQ); ibdev->ib_dev.exp_create_qp = mlx4_ib_exp_create_qp; ibdev->ib_dev.exp_query_device = mlx4_ib_exp_query_device; if (check_flow_steering_support(dev)) { ibdev->ib_dev.uverbs_ex_cmd_mask |= (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); ibdev->ib_dev.create_flow = mlx4_ib_create_flow; ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; } else { pr_debug("Device managed flow steering is unavailable for this configuration.\n"); } /* * End of experimental data */ mlx4_ib_alloc_eqs(dev, ibdev); spin_lock_init(&iboe->lock); if (init_node_data(ibdev)) goto err_map; for (i = 0; i < ibdev->num_ports; ++i) { if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == IB_LINK_LAYER_ETHERNET) { if (mlx4_is_slave(dev)) { ibdev->counters[i].status = mlx4_counter_alloc(ibdev->dev, i + 1, &ibdev->counters[i].counter_index); } else {/* allocating the PF IB default counter indices reserved in mlx4_init_counters_table */ ibdev->counters[i].counter_index = ((i + 1) << 1) - 1; ibdev->counters[i].status = 0; } dev_info(&dev->pdev->dev, "%s: allocated counter index %d for port %d\n", __func__, ibdev->counters[i].counter_index, i+1); } else { ibdev->counters[i].counter_index = MLX4_SINK_COUNTER_INDEX; ibdev->counters[i].status = -ENOSPC; } } spin_lock_init(&ibdev->sm_lock); mutex_init(&ibdev->cap_mask_mutex); if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && !mlx4_is_mfunc(dev)) { ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, MLX4_IB_UC_STEER_QPN_ALIGN, &ibdev->steer_qpn_base, 0); if (err) goto err_counter; ibdev->ib_uc_qpns_bitmap = kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) * sizeof(long), GFP_KERNEL); if (!ibdev->ib_uc_qpns_bitmap) { dev_err(&dev->pdev->dev, "bit map alloc failed\n"); goto err_steer_qp_release; } bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count); err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE(dev, ibdev->steer_qpn_base, ibdev->steer_qpn_base + ibdev->steer_qpn_count - 1); if (err) goto err_steer_free_bitmap; } if (ib_register_device(&ibdev->ib_dev, NULL)) goto err_steer_free_bitmap; if (mlx4_ib_mad_init(ibdev)) goto err_reg; if (mlx4_ib_init_sriov(ibdev)) goto err_mad; if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) { if (!iboe->nb.notifier_call) { iboe->nb.notifier_call = mlx4_ib_netdev_event; err = register_netdevice_notifier(&iboe->nb); if (err) { iboe->nb.notifier_call = NULL; goto err_notify; } } if (!iboe->nb_inet.notifier_call) { iboe->nb_inet.notifier_call = mlx4_ib_inet_event; err = register_inetaddr_notifier(&iboe->nb_inet); if (err) { iboe->nb_inet.notifier_call = NULL; goto err_notify; } } mlx4_ib_scan_netdevs(ibdev, NULL, 0); } for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { if (device_create_file(&ibdev->ib_dev.dev, mlx4_class_attributes[j])) goto err_notify; } if (sysfs_create_group(&ibdev->ib_dev.dev.kobj, &diag_counters_group)) goto err_notify; ibdev->ib_active = true; if (mlx4_is_mfunc(ibdev->dev)) init_pkeys(ibdev); /* create paravirt contexts for any VFs which are active */ if (mlx4_is_master(ibdev->dev)) { for (j = 0; j < MLX4_MFUNC_MAX; j++) { if (j == mlx4_master_func_num(ibdev->dev)) continue; if (mlx4_is_slave_active(ibdev->dev, j)) do_slave_init(ibdev, j, 1); } } return ibdev; err_notify: for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { device_remove_file(&ibdev->ib_dev.dev, mlx4_class_attributes[j]); } if (ibdev->iboe.nb.notifier_call) { if (unregister_netdevice_notifier(&ibdev->iboe.nb)) pr_warn("failure unregistering notifier\n"); ibdev->iboe.nb.notifier_call = NULL; } if (ibdev->iboe.nb_inet.notifier_call) { if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) pr_warn("failure unregistering notifier\n"); ibdev->iboe.nb_inet.notifier_call = NULL; } flush_workqueue(wq); mlx4_ib_close_sriov(ibdev); err_mad: mlx4_ib_mad_cleanup(ibdev); err_reg: ib_unregister_device(&ibdev->ib_dev); err_steer_free_bitmap: kfree(ibdev->ib_uc_qpns_bitmap); err_steer_qp_release: if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) mlx4_qp_release_range(dev, ibdev->steer_qpn_base, ibdev->steer_qpn_count); err_counter: for (; i; --i) { if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i) == IB_LINK_LAYER_ETHERNET) { mlx4_counter_free(ibdev->dev, i, ibdev->counters[i - 1].counter_index); } } err_map: iounmap(ibdev->priv_uar.map); mlx4_ib_free_eqs(dev, ibdev); err_uar: mlx4_uar_free(dev, &ibdev->priv_uar); err_pd: mlx4_pd_free(dev, ibdev->priv_pdn); err_dealloc: ib_dealloc_device(&ibdev->ib_dev); return NULL; } int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn) { int offset; WARN_ON(!dev->ib_uc_qpns_bitmap); offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap, dev->steer_qpn_count, get_count_order(count)); if (offset < 0) return offset; *qpn = dev->steer_qpn_base + offset; return 0; } void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count) { if (!qpn || dev->dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) return; BUG_ON(qpn < dev->steer_qpn_base); bitmap_release_region(dev->ib_uc_qpns_bitmap, qpn - dev->steer_qpn_base, get_count_order(count)); } int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, int is_attach) { int err; size_t flow_size; struct ib_flow_attr *flow = NULL; struct ib_flow_spec_ib *ib_spec; if (is_attach) { flow_size = sizeof(struct ib_flow_attr) + sizeof(struct ib_flow_spec_ib); flow = kzalloc(flow_size, GFP_KERNEL); if (!flow) return -ENOMEM; flow->port = mqp->port; flow->num_of_specs = 1; flow->size = flow_size; ib_spec = (struct ib_flow_spec_ib *)(flow + 1); ib_spec->type = IB_FLOW_SPEC_IB; ib_spec->size = sizeof(struct ib_flow_spec_ib); ib_spec->val.l3_type_qpn = mqp->ibqp.qp_num; ib_spec->mask.l3_type_qpn = MLX4_IB_FLOW_QPN_MASK; err = __mlx4_ib_create_flow(&mqp->ibqp, flow, IB_FLOW_DOMAIN_NIC, MLX4_FS_REGULAR, &mqp->reg_id); } else { err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id); } kfree(flow); return err; } static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) { struct mlx4_ib_dev *ibdev = ibdev_ptr; int p, j; int dev_idx, ret; if (ibdev->iboe.nb_inet.notifier_call) { if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet)) pr_warn("failure unregistering notifier\n"); ibdev->iboe.nb_inet.notifier_call = NULL; } mlx4_ib_close_sriov(ibdev); sysfs_remove_group(&ibdev->ib_dev.dev.kobj, &diag_counters_group); mlx4_ib_mad_cleanup(ibdev); for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { device_remove_file(&ibdev->ib_dev.dev, mlx4_class_attributes[j]); } dev_idx = -1; if (dr_active && !(ibdev->dev->flags & MLX4_FLAG_DEV_NUM_STR)) { ret = sscanf(ibdev->ib_dev.name, "mlx4_%d", &dev_idx); if (ret != 1) dev_idx = -1; } ib_unregister_device(&ibdev->ib_dev); if (dev_idx >= 0) { spin_lock(&dev_num_str_lock); bitmap_release_region(dev_num_str_bitmap, dev_idx, 0); spin_unlock(&dev_num_str_lock); } if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { mlx4_qp_release_range(dev, ibdev->steer_qpn_base, ibdev->steer_qpn_count); kfree(ibdev->ib_uc_qpns_bitmap); } if (ibdev->iboe.nb.notifier_call) { if (unregister_netdevice_notifier(&ibdev->iboe.nb)) pr_warn("failure unregistering notifier\n"); ibdev->iboe.nb.notifier_call = NULL; } iounmap(ibdev->priv_uar.map); for (p = 0; p < ibdev->num_ports; ++p) { if (mlx4_ib_port_link_layer(&ibdev->ib_dev, p + 1) == IB_LINK_LAYER_ETHERNET) { mlx4_counter_free(ibdev->dev, p + 1, ibdev->counters[p].counter_index); } } mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) mlx4_CLOSE_PORT(dev, p); mlx4_ib_free_eqs(dev, ibdev); mlx4_uar_free(dev, &ibdev->priv_uar); mlx4_pd_free(dev, ibdev->priv_pdn); ib_dealloc_device(&ibdev->ib_dev); } static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) { struct mlx4_ib_demux_work **dm = NULL; struct mlx4_dev *dev = ibdev->dev; int i; unsigned long flags; if (!mlx4_is_master(dev)) return; dm = kcalloc(dev->caps.num_ports, sizeof *dm, GFP_ATOMIC); if (!dm) { pr_err("failed to allocate memory for tunneling qp update\n"); goto out; } for (i = 0; i < dev->caps.num_ports; i++) { dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); if (!dm[i]) { pr_err("failed to allocate memory for tunneling qp update work struct\n"); for (i = 0; i < dev->caps.num_ports; i++) { if (dm[i]) kfree(dm[i]); } goto out; } } /* initialize or tear down tunnel QPs for the slave */ for (i = 0; i < dev->caps.num_ports; i++) { INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); dm[i]->port = i + 1; dm[i]->slave = slave; dm[i]->do_init = do_init; dm[i]->dev = ibdev; spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); if (!ibdev->sriov.is_going_down) queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); } out: if (dm) kfree(dm); return; } static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, enum mlx4_dev_event event, unsigned long param) { struct ib_event ibev; struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); struct mlx4_eqe *eqe = NULL; struct ib_event_work *ew; int p = 0; if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) eqe = (struct mlx4_eqe *)param; else p = (int) param; switch (event) { case MLX4_DEV_EVENT_PORT_UP: if (p > ibdev->num_ports) return; if (mlx4_is_master(dev) && rdma_port_get_link_layer(&ibdev->ib_dev, p) == IB_LINK_LAYER_INFINIBAND) { mlx4_ib_invalidate_all_guid_record(ibdev, p); } mlx4_ib_info((struct ib_device *) ibdev_ptr, "Port %d logical link is up\n", p); ibev.event = IB_EVENT_PORT_ACTIVE; break; case MLX4_DEV_EVENT_PORT_DOWN: if (p > ibdev->num_ports) return; mlx4_ib_info((struct ib_device *) ibdev_ptr, "Port %d logical link is down\n", p); ibev.event = IB_EVENT_PORT_ERR; break; case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: ibdev->ib_active = false; ibev.event = IB_EVENT_DEVICE_FATAL; break; case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: ew = kmalloc(sizeof *ew, GFP_ATOMIC); if (!ew) { pr_err("failed to allocate memory for events work\n"); break; } INIT_WORK(&ew->work, handle_port_mgmt_change_event); memcpy(&ew->ib_eqe, eqe, sizeof *eqe); ew->ib_dev = ibdev; /* need to queue only for port owner, which uses GEN_EQE */ if (mlx4_is_master(dev)) queue_work(wq, &ew->work); else handle_port_mgmt_change_event(&ew->work); return; case MLX4_DEV_EVENT_SLAVE_INIT: /* here, p is the slave id */ do_slave_init(ibdev, p, 1); return; case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: /* here, p is the slave id */ do_slave_init(ibdev, p, 0); return; default: return; } ibev.device = ibdev_ptr; ibev.element.port_num = (u8) p; ib_dispatch_event(&ibev); } static struct mlx4_interface mlx4_ib_interface = { .add = mlx4_ib_add, .remove = mlx4_ib_remove, .event = mlx4_ib_event, .protocol = MLX4_PROT_IB_IPV6 }; static int __init mlx4_ib_init(void) { int err; wq = create_singlethread_workqueue("mlx4_ib"); if (!wq) return -ENOMEM; err = mlx4_ib_mcg_init(); if (err) goto clean_proc; init_dev_assign(); err = mlx4_register_interface(&mlx4_ib_interface); if (err) goto clean_mcg; return 0; clean_mcg: mlx4_ib_mcg_destroy(); clean_proc: destroy_workqueue(wq); return err; } static void __exit mlx4_ib_cleanup(void) { mlx4_unregister_interface(&mlx4_ib_interface); mlx4_ib_mcg_destroy(); destroy_workqueue(wq); kfree(dev_num_str_bitmap); } module_init_order(mlx4_ib_init, SI_ORDER_MIDDLE); module_exit(mlx4_ib_cleanup); static int mlx4ib_evhand(module_t mod, int event, void *arg) { return (0); } static moduledata_t mlx4ib_mod = { .name = "mlx4ib", .evhand = mlx4ib_evhand, }; DECLARE_MODULE(mlx4ib, mlx4ib_mod, SI_SUB_LAST, SI_ORDER_ANY); MODULE_DEPEND(mlx4ib, mlx4, 1, 1, 1); MODULE_DEPEND(mlx4ib, ibcore, 1, 1, 1); MODULE_DEPEND(mlx4ib, linuxkpi, 1, 1, 1);