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head/sys/dev/smartpqi/smartpqi_defines.h

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/*-
* Copyright (c) 2018 Microsemi Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $FreeBSD$ */
#ifndef _PQI_DEFINES_H
#define _PQI_DEFINES_H
#define PQI_STATUS_FAILURE -1
#define PQI_STATUS_TIMEOUT -2
#define PQI_STATUS_QFULL -3
#define PQI_STATUS_SUCCESS 0
#define PQISRC_CMD_TIMEOUT_CNT 1200000 /* 500usec * 1200000 = 5 min */
/* #define SHARE_EVENT_QUEUE_FOR_IO 1 */
#define INVALID_ELEM 0xffff
#ifndef MIN
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#endif
#define PQISRC_ROUNDUP(x, y) (((x) + (y) - 1) / (y) * (y))
#define PQISRC_DIV_ROUND_UP(x, y) (((x) + (y) - 1) / (y))
#define ALIGN_BOUNDARY(a, n) { \
if (a % n) \
a = a + (n - a % n); \
}
/* Busy wait timeout on a condition */
#define COND_BUSYWAIT(cond, timeout /* in millisecond */) { \
if (!(cond)) { \
while (timeout) { \
OS_BUSYWAIT(1000); \
if (cond) \
break; \
timeout--; \
} \
} \
}
/* Wait timeout on a condition*/
#define COND_WAIT(cond, timeout /* in millisecond */) { \
if (!(cond)) { \
while (timeout) { \
OS_SLEEP(1000); \
if (cond) \
break; \
timeout--; \
} \
} \
}
#define FILL_QUEUE_ARRAY_ADDR(q,virt,dma) { \
q->array_virt_addr = virt; \
q->array_dma_addr = dma; \
}
#define true 1
#define false 0
enum INTR_TYPE {
LOCK_INTR,
LOCK_SLEEP
};
#define LOCKNAME_SIZE 32
#define INTR_TYPE_FIXED 0x1
#define INTR_TYPE_MSI 0x2
#define INTR_TYPE_MSIX 0x4
#define SIS_ENABLE_MSIX 0x40
#define DMA_TO_VIRT(mem) ((mem)->virt_addr)
#define DMA_PHYS_LOW(mem) (((mem)->dma_addr) & 0x00000000ffffffff)
#define DMA_PHYS_HIGH(mem) ((((mem)->dma_addr) & 0xffffffff00000000) >> 32)
typedef enum REQUEST_STATUS {
REQUEST_SUCCESS = 0,
REQUEST_PENDING = -1,
REQUEST_FAILED = -2,
}REQUEST_STATUS_T;
typedef enum IO_PATH {
AIO_PATH,
RAID_PATH
}IO_PATH_T;
typedef enum device_type
{
DISK_DEVICE,
TAPE_DEVICE,
ROM_DEVICE = 5,
MEDIUM_CHANGER_DEVICE = 8,
RAID_DEVICE = 0x0c,
ENCLOSURE_DEVICE,
ZBC_DEVICE = 0x14
} device_type_t;
typedef enum controller_state {
PQI_UP_RUNNING,
PQI_BUS_RESET,
}controller_state_t;
#define PQISRC_MAX_MSIX_SUPPORTED 64
/* SIS Specific */
#define PQISRC_INIT_STRUCT_REVISION 9
#define PQISRC_SECTOR_SIZE 512
#define PQISRC_BLK_SIZE PQISRC_SECTOR_SIZE
#define PQISRC_DEFAULT_DMA_ALIGN 4
#define PQISRC_DMA_ALIGN_MASK (PQISRC_DEFAULT_DMA_ALIGN - 1)
#define PQISRC_ERR_BUF_DMA_ALIGN 32
#define PQISRC_ERR_BUF_ELEM_SIZE MAX(sizeof(raid_path_error_info_elem_t),sizeof(aio_path_error_info_elem_t))
#define PQISRC_INIT_STRUCT_DMA_ALIGN 16
#define SIS_CMD_GET_ADAPTER_PROPERTIES 0x19
#define SIS_CMD_GET_COMM_PREFERRED_SETTINGS 0x26
#define SIS_CMD_GET_PQI_CAPABILITIES 0x3000
#define SIS_CMD_INIT_BASE_STRUCT_ADDRESS 0x1b
#define SIS_SUPPORT_EXT_OPT 0x00800000
#define SIS_SUPPORT_PQI 0x00000004
#define SIS_SUPPORT_PQI_RESET_QUIESCE 0x00000008
#define SIS_PQI_RESET_QUIESCE 0x1000000
#define SIS_STATUS_OK_TIMEOUT 120000 /* in milli sec, 5 sec */
#define SIS_CMD_COMPLETE_TIMEOUT 30000 /* in milli sec, 30 secs */
#define SIS_POLL_START_WAIT_TIME 20000 /* in micro sec, 20 milli sec */
#define SIS_DB_BIT_CLEAR_TIMEOUT_CNT 120000 /* 500usec * 120000 = 60 sec */
#define SIS_ENABLE_TIMEOUT 3000
#define REENABLE_SIS 0x1
#define TRIGGER_NMI_SIS 0x800000
/*SIS Register status defines */
#define PQI_CTRL_KERNEL_UP_AND_RUNNING 0x80
#define PQI_CTRL_KERNEL_PANIC 0x100
#define SIS_CTL_TO_HOST_DB_DISABLE_ALL 0xFFFFFFFF
#define SIS_CTL_TO_HOST_DB_CLEAR 0x00001000
#define SIS_CMD_SUBMIT 0x00000200 /* Bit 9 */
#define SIS_CMD_COMPLETE 0x00001000 /* Bit 12 */
#define SIS_CMD_STATUS_SUCCESS 0x1
/* PQI specific */
/* defines */
#define PQISRC_PQI_REG_OFFSET 0x4000
#define PQISRC_MAX_OUTSTANDING_REQ 4096
#define PQISRC_MAX_ADMIN_IB_QUEUE_ELEM_NUM 16
#define PQISRC_MAX_ADMIN_OB_QUEUE_ELEM_NUM 16
#define PQI_MIN_OP_IB_QUEUE_ID 1
#define PQI_OP_EVENT_QUEUE_ID 1
#define PQI_MIN_OP_OB_QUEUE_ID 2
#define PQISRC_MAX_SUPPORTED_OP_IB_Q 128
#define PQISRC_MAX_SUPPORTED_OP_RAID_IB_Q (PQISRC_MAX_SUPPORTED_OP_IB_Q / 2)
#define PQISRC_MAX_SUPPORTED_OP_AIO_IB_Q (PQISRC_MAX_SUPPORTED_OP_RAID_IB_Q)
#define PQISRC_MAX_OP_IB_QUEUE_ELEM_NUM (PQISRC_MAX_OUTSTANDING_REQ / PQISRC_MAX_SUPPORTED_OP_IB_Q)
#define PQISRC_MAX_OP_OB_QUEUE_ELEM_NUM PQISRC_MAX_OUTSTANDING_REQ
#define PQISRC_MIN_OP_OB_QUEUE_ELEM_NUM 2
#define PQISRC_MAX_SUPPORTED_OP_OB_Q 64
#define PQISRC_OP_MAX_IBQ_ELEM_SIZE 8 /* 8 * 16 = 128 bytes */
#define PQISRC_OP_MIN_IBQ_ELEM_SIZE 2 /* 2 * 16 = 32 bytes */
#define PQISRC_OP_OBQ_ELEM_SIZE 1 /* 16 bytes */
#define PQISRC_ADMIN_IBQ_ELEM_SIZE 2 /* 2 * 16 = 32 bytes */
#define PQISRC_INTR_COALSC_GRAN 0
#define PQISRC_PROTO_BIT_MASK 0
#define PQISRC_SGL_SUPPORTED_BIT_MASK 0
#define PQISRC_NUM_EVENT_Q_ELEM 32
#define PQISRC_EVENT_Q_ELEM_SIZE 32
/* PQI Registers state status */
#define PQI_RESET_ACTION_RESET 0x1
#define PQI_RESET_ACTION_COMPLETED 0x2
#define PQI_RESET_TYPE_NO_RESET 0x0
#define PQI_RESET_TYPE_SOFT_RESET 0x1
#define PQI_RESET_TYPE_FIRM_RESET 0x2
#define PQI_RESET_TYPE_HARD_RESET 0x3
#define PQI_RESET_POLL_INTERVAL 100000 /*100 msec*/
enum pqisrc_ctrl_mode{
CTRL_SIS_MODE = 0,
CTRL_PQI_MODE
};
/* PQI device performing internal initialization (e.g., POST). */
#define PQI_DEV_STATE_POWER_ON_AND_RESET 0x0
/* Upon entry to this state PQI device initialization begins. */
#define PQI_DEV_STATE_PQI_STATUS_AVAILABLE 0x1
/* PQI device Standard registers are available to the driver. */
#define PQI_DEV_STATE_ALL_REGISTERS_READY 0x2
/* PQI device is initialized and ready to process any PCI transactions. */
#define PQI_DEV_STATE_ADMIN_QUEUE_PAIR_READY 0x3
/* The PQI Device Error register indicates the error. */
#define PQI_DEV_STATE_ERROR 0x4
#define PQI_DEV_STATE_AT_INIT ( PQI_DEV_STATE_PQI_STATUS_AVAILABLE | \
PQI_DEV_STATE_ALL_REGISTERS_READY | \
PQI_DEV_STATE_ADMIN_QUEUE_PAIR_READY )
#define PQISRC_PQI_DEVICE_SIGNATURE "PQI DREG"
#define PQI_ADMINQ_ELEM_ARRAY_ALIGN 64
#define PQI_ADMINQ_CI_PI_ALIGN 64
#define PQI_OPQ_ELEM_ARRAY_ALIGN 64
#define PQI_OPQ_CI_PI_ALIGN 4
#define PQI_ADDR_ALIGN_MASK_64 0x3F /* lsb 6 bits */
#define PQI_ADDR_ALIGN_MASK_4 0x3 /* lsb 2 bits */
#define PQISRC_PQIMODE_READY_TIMEOUT (30 * 1000 ) /* 30 secs */
#define PQISRC_MODE_READY_POLL_INTERVAL 1000 /* 1 msec */
#define PRINT_PQI_SIGNATURE(sign) { int i = 0; \
char si[9]; \
for(i=0;i<8;i++) \
si[i] = *((char *)&(sign)+i); \
si[i] = '\0'; \
DBG_INFO("Signature is %s",si); \
}
#define PQI_CONF_TABLE_MAX_LEN ((uint16_t)~0)
#define PQI_CONF_TABLE_SIGNATURE "CFGTABLE"
/* PQI configuration table section IDs */
#define PQI_CONF_TABLE_SECTION_GENERAL_INFO 0
#define PQI_CONF_TABLE_SECTION_FIRMWARE_FEATURES 1
#define PQI_CONF_TABLE_SECTION_FIRMWARE_ERRATA 2
#define PQI_CONF_TABLE_SECTION_DEBUG 3
#define PQI_CONF_TABLE_SECTION_HEARTBEAT 4
#define CTRLR_HEARTBEAT_CNT(softs) LE_64(PCI_MEM_GET64(softs, softs->heartbeat_counter_abs_addr, softs->heartbeat_counter_off))
#define PQI_NEW_HEARTBEAT_MECHANISM(softs) 1
/* pqi-2r00a table 36 */
#define PQI_ADMIN_QUEUE_MSIX_DISABLE (0x80000000)
#define PQI_ADMIN_QUEUE_MSIX_ENABLE (0 << 31)
#define PQI_ADMIN_QUEUE_CONF_FUNC_CREATE_Q_PAIR 0x01
#define PQI_ADMIN_QUEUE_CONF_FUNC_DEL_Q_PAIR 0x02
#define PQI_ADMIN_QUEUE_CONF_FUNC_STATUS_IDLE 0x00
#define PQISRC_ADMIN_QUEUE_CREATE_TIMEOUT 1000 /* in miLLI sec, 1 sec, 100 ms is standard */
#define PQISRC_ADMIN_QUEUE_DELETE_TIMEOUT 100 /* 100 ms is standard */
#define PQISRC_ADMIN_CMD_RESP_TIMEOUT 3000 /* 3 sec */
#define PQISRC_RAIDPATH_CMD_TIMEOUT 30000 /* 30 sec */
#define REPORT_PQI_DEV_CAP_DATA_BUF_SIZE sizeof(pqi_dev_cap_t)
#define REPORT_MANUFACTURER_INFO_DATA_BUF_SIZE 0x80 /* Data buffer size specified in bytes 0-1 of data buffer. 128 bytes. */
/* PQI IUs */
/* Admin IU request length not including header. */
#define PQI_STANDARD_IU_LENGTH 0x003C /* 60 bytes. */
#define PQI_IU_TYPE_GENERAL_ADMIN_REQUEST 0x60
#define PQI_IU_TYPE_GENERAL_ADMIN_RESPONSE 0xe0
/* PQI / Vendor specific IU */
#define PQI_FUNCTION_REPORT_DEV_CAP 0x00
#define PQI_REQUEST_IU_TASK_MANAGEMENT 0x13
#define PQI_IU_TYPE_RAID_PATH_IO_REQUEST 0x14
#define PQI_IU_TYPE_AIO_PATH_IO_REQUEST 0x15
#define PQI_REQUEST_IU_GENERAL_ADMIN 0x60
#define PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG 0x72
#define PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG 0x73
#define PQI_RESPONSE_IU_GENERAL_MANAGEMENT 0x81
#define PQI_RESPONSE_IU_TASK_MANAGEMENT 0x93
#define PQI_RESPONSE_IU_GENERAL_ADMIN 0xe0
#define PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS 0xf0
#define PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS 0xf1
#define PQI_RESPONSE_IU_RAID_PATH_IO_ERROR 0xf2
#define PQI_RESPONSE_IU_AIO_PATH_IO_ERROR 0xf3
#define PQI_RESPONSE_IU_AIO_PATH_IS_OFF 0xf4
#define PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT 0xf6
#define PQI_REQUEST_HEADER_LENGTH 4
#define PQI_FUNCTION_CREATE_OPERATIONAL_IQ 0x10
#define PQI_FUNCTION_CREATE_OPERATIONAL_OQ 0x11
#define PQI_FUNCTION_DELETE_OPERATIONAL_IQ 0x12
#define PQI_FUNCTION_DELETE_OPERATIONAL_OQ 0x13
#define PQI_FUNCTION_CHANGE_OPERATIONAL_IQ_PROP 0x14
#define PQI_CHANGE_OP_IQ_PROP_ASSIGN_AIO 1
#define PQI_DEFAULT_IB_QUEUE 0
/* Interface macros */
#define GET_FW_STATUS(softs) \
(PCI_MEM_GET32(softs, &softs->ioa_reg->scratchpad3_fw_status, LEGACY_SIS_OMR))
#define SIS_IS_KERNEL_PANIC(softs) \
(GET_FW_STATUS(softs) & PQI_CTRL_KERNEL_PANIC)
#define SIS_IS_KERNEL_UP(softs) \
(GET_FW_STATUS(softs) & PQI_CTRL_KERNEL_UP_AND_RUNNING)
#define PQI_GET_CTRL_MODE(softs) \
(PCI_MEM_GET32(softs, &softs->ioa_reg->scratchpad0, LEGACY_SIS_SCR0))
#define PQI_SAVE_CTRL_MODE(softs, mode) \
PCI_MEM_PUT32(softs, &softs->ioa_reg->scratchpad0, LEGACY_SIS_SCR0, mode)
#define PQISRC_MAX_TARGETID 1024
#define PQISRC_MAX_TARGETLUN 64
/* Vendor specific IU Type for Event config Cmds */
#define PQI_REQUEST_IU_REPORT_EVENT_CONFIG 0x72
#define PQI_REQUEST_IU_SET_EVENT_CONFIG 0x73
#define PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT 0xf6
#define PQI_RESPONSE_IU_GENERAL_MANAGEMENT 0x81
#define PQI_MANAGEMENT_CMD_RESP_TIMEOUT 3000
#define PQISRC_EVENT_ACK_RESP_TIMEOUT 1000
/* Supported Event types by controller */
#define PQI_NUM_SUPPORTED_EVENTS 7
#define PQI_EVENT_TYPE_HOTPLUG 0x1
#define PQI_EVENT_TYPE_HARDWARE 0x2
#define PQI_EVENT_TYPE_PHYSICAL_DEVICE 0x4
#define PQI_EVENT_TYPE_LOGICAL_DEVICE 0x5
#define PQI_EVENT_TYPE_AIO_STATE_CHANGE 0xfd
#define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE 0xfe
#define PQI_EVENT_TYPE_HEARTBEAT 0xff
/* for indexing into the pending_events[] field of struct pqisrc_softstate */
#define PQI_EVENT_HEARTBEAT 0
#define PQI_EVENT_HOTPLUG 1
#define PQI_EVENT_HARDWARE 2
#define PQI_EVENT_PHYSICAL_DEVICE 3
#define PQI_EVENT_LOGICAL_DEVICE 4
#define PQI_EVENT_AIO_STATE_CHANGE 5
#define PQI_EVENT_AIO_CONFIG_CHANGE 6
#define PQI_MAX_HEARTBEAT_REQUESTS 5
/* Device flags */
#define PQISRC_DFLAG_VALID (1 << 0)
#define PQISRC_DFLAG_CONFIGURING (1 << 1)
#define MAX_EMBEDDED_SG_IN_FIRST_IU 4
#define MAX_EMBEDDED_SG_IN_IU 8
#define SG_FLAG_LAST 0x40000000
#define SG_FLAG_CHAIN 0x80000000
#define IN_PQI_RESET(softs) (softs->ctlr_state & PQI_BUS_RESET)
#define DEV_GONE(dev) (!dev || (dev->invalid == true))
#define IS_AIO_PATH(dev) (dev->aio_enabled)
#define IS_RAID_PATH(dev) (!dev->aio_enabled)
#define DEV_RESET(dvp) (dvp->reset_in_progress)
/* SOP data direction flags */
#define SOP_DATA_DIR_NONE 0x00
#define SOP_DATA_DIR_FROM_DEVICE 0x01
#define SOP_DATA_DIR_TO_DEVICE 0x02
#define SOP_DATA_DIR_BIDIRECTIONAL 0x03
#define SOP_PARTIAL_DATA_BUFFER 0x04
#define PQISRC_DMA_VALID (1 << 0)
#define PQISRC_CMD_NO_INTR (1 << 1)
#define SOP_TASK_ATTRIBUTE_SIMPLE 0
#define SOP_TASK_ATTRIBUTE_HEAD_OF_QUEUE 1
#define SOP_TASK_ATTRIBUTE_ORDERED 2
#define SOP_TASK_ATTRIBUTE_ACA 4
#define SOP_TASK_MANAGEMENT_FUNCTION_COMPLETE 0x0
#define SOP_TASK_MANAGEMENT_FUNCTION_REJECTED 0x4
#define SOP_TASK_MANAGEMENT_FUNCTION_FAILED 0x5
#define SOP_TASK_MANAGEMENT_FUNCTION_SUCCEEDED 0x8
#define SOP_TASK_MANAGEMENT_FUNCTION_ABORT_TASK 0x01
#define SOP_TASK_MANAGEMENT_FUNCTION_ABORT_TASK_SET 0x02
#define SOP_TASK_MANAGEMENT_LUN_RESET 0x8
/* Additional CDB bytes */
#define PQI_ADDITIONAL_CDB_BYTES_0 0 /* 16 byte CDB */
#define PQI_ADDITIONAL_CDB_BYTES_4 1 /* 20 byte CDB */
#define PQI_ADDITIONAL_CDB_BYTES_8 2 /* 24 byte CDB */
#define PQI_ADDITIONAL_CDB_BYTES_12 3 /* 28 byte CDB */
#define PQI_ADDITIONAL_CDB_BYTES_16 4 /* 32 byte CDB */
#define PQI_PROTOCOL_SOP 0x0
#define PQI_AIO_STATUS_GOOD 0x0
#define PQI_AIO_STATUS_CHECK_CONDITION 0x2
#define PQI_AIO_STATUS_CONDITION_MET 0x4
#define PQI_AIO_STATUS_DEVICE_BUSY 0x8
#define PQI_AIO_STATUS_INT_GOOD 0x10
#define PQI_AIO_STATUS_INT_COND_MET 0x14
#define PQI_AIO_STATUS_RESERV_CONFLICT 0x18
#define PQI_AIO_STATUS_CMD_TERMINATED 0x22
#define PQI_AIO_STATUS_QUEUE_FULL 0x28
#define PQI_AIO_STATUS_TASK_ABORTED 0x40
#define PQI_AIO_STATUS_UNDERRUN 0x51
#define PQI_AIO_STATUS_OVERRUN 0x75
/* Status when Target Failure */
#define PQI_AIO_STATUS_IO_ERROR 0x1
#define PQI_AIO_STATUS_IO_ABORTED 0x2
#define PQI_AIO_STATUS_IO_NO_DEVICE 0x3
#define PQI_AIO_STATUS_INVALID_DEVICE 0x4
#define PQI_AIO_STATUS_AIO_PATH_DISABLED 0xe
/* Service Response */
#define PQI_AIO_SERV_RESPONSE_COMPLETE 0
#define PQI_AIO_SERV_RESPONSE_FAILURE 1
#define PQI_AIO_SERV_RESPONSE_TMF_COMPLETE 2
#define PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED 3
#define PQI_AIO_SERV_RESPONSE_TMF_REJECTED 4
#define PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN 5
#define PQI_TMF_WAIT_DELAY 10000000 /* 10 seconds */
#define PQI_RAID_STATUS_GOOD PQI_AIO_STATUS_GOOD
#define PQI_RAID_STATUS_CHECK_CONDITION PQI_AIO_STATUS_CHECK_CONDITION
#define PQI_RAID_STATUS_CONDITION_MET PQI_AIO_STATUS_CONDITION_MET
#define PQI_RAID_STATUS_DEVICE_BUSY PQI_AIO_STATUS_DEVICE_BUSY
#define PQI_RAID_STATUS_INT_GOOD PQI_AIO_STATUS_INT_GOOD
#define PQI_RAID_STATUS_INT_COND_MET PQI_AIO_STATUS_INT_COND_MET
#define PQI_RAID_STATUS_RESERV_CONFLICT PQI_AIO_STATUS_RESERV_CONFLICT
#define PQI_RAID_STATUS_CMD_TERMINATED PQI_AIO_STATUS_CMD_TERMINATED
#define PQI_RAID_STATUS_QUEUE_FULL PQI_AIO_STATUS_QUEUE_FULL
#define PQI_RAID_STATUS_TASK_ABORTED PQI_AIO_STATUS_TASK_ABORTED
#define PQI_RAID_STATUS_UNDERRUN PQI_AIO_STATUS_UNDERRUN
#define PQI_RAID_STATUS_OVERRUN PQI_AIO_STATUS_OVERRUN
/* VPD inquiry pages */
#define SCSI_VPD_SUPPORTED_PAGES 0x0 /* standard page */
#define SCSI_VPD_DEVICE_ID 0x83 /* standard page */
#define SA_VPD_PHYS_DEVICE_ID 0xc0 /* vendor-specific page */
#define SA_VPD_LV_DEVICE_GEOMETRY 0xc1 /* vendor-specific page */
#define SA_VPD_LV_IOACCEL_STATUS 0xc2 /* vendor-specific page */
#define SA_VPD_LV_STATUS 0xc3 /* vendor-specific page */
#define VPD_PAGE (1 << 8)
/* logical volume states */
#define SA_LV_OK 0x0
#define SA_LV_NOT_AVAILABLE 0xb
#define SA_LV_UNDERGOING_ERASE 0xf
#define SA_LV_UNDERGOING_RPI 0x12
#define SA_LV_PENDING_RPI 0x13
#define SA_LV_ENCRYPTED_NO_KEY 0x14
#define SA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER 0x15
#define SA_LV_UNDERGOING_ENCRYPTION 0x16
#define SA_LV_UNDERGOING_ENCRYPTION_REKEYING 0x17
#define SA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER 0x18
#define SA_LV_PENDING_ENCRYPTION 0x19
#define SA_LV_PENDING_ENCRYPTION_REKEYING 0x1a
#define SA_LV_STATUS_VPD_UNSUPPORTED 0xff
/*
* assume worst case: SATA queue depth of 31 minus 4 internal firmware commands
*/
#define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27
/* 0 = no limit */
#define PQI_LOGICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 0
#define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
#define SA_CACHE_FLUSH 0x1
#define SA_INQUIRY 0x12
#define SA_REPORT_LOG 0xc2 /* Report Logical LUNs */
#define SA_REPORT_PHYS 0xc3 /* Report Physical LUNs */
#define SA_CISS_READ 0xc0
#define SA_GET_RAID_MAP 0xc8
#define SA_REPORT_LOG_EXTENDED 0x1
#define SA_REPORT_PHYS_EXTENDED 0x2
#define SA_CACHE_FLUSH_BUF_LEN 4
#define REPORT_LUN_DEV_FLAG_AIO_ENABLED 0x8
#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U)
#define RAID_MAP_MAX_ENTRIES 1024
#define RAID_MAP_ENCRYPTION_ENABLED 0x1
#define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27
#define ASC_LUN_NOT_READY 0x4
#define ASCQ_LUN_NOT_READY_FORMAT_IN_PROGRESS 0x4
#define ASCQ_LUN_NOT_READY_INITIALIZING_CMD_REQ 0x2
#define OBDR_SIG_OFFSET 43
#define OBDR_TAPE_SIG "$DR-10"
#define OBDR_SIG_LEN (sizeof(OBDR_TAPE_SIG) - 1)
#define OBDR_TAPE_INQ_SIZE (OBDR_SIG_OFFSET + OBDR_SIG_LEN)
#define IOACCEL_STATUS_BYTE 4
#define OFFLOAD_CONFIGURED_BIT 0x1
#define OFFLOAD_ENABLED_BIT 0x2
#define PQI_RAID_DATA_IN_OUT_GOOD 0x0
#define PQI_RAID_DATA_IN_OUT_UNDERFLOW 0x1
#define PQI_RAID_DATA_IN_OUT_UNSOLICITED_ABORT 0xf3
#define PQI_RAID_DATA_IN_OUT_ABORTED 0xf4
#define PQI_PHYSICAL_DEVICE_BUS 0
#define PQI_RAID_VOLUME_BUS 1
#define PQI_HBA_BUS 2
#define PQI_EXTERNAL_RAID_VOLUME_BUS 3
#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS
#define TEST_UNIT_READY 0x00
#define SCSI_VPD_HEADER_LENGTH 64
#define PQI_MAX_MULTILUN 256
#define PQI_MAX_LOGICALS 64
#define PQI_MAX_PHYSICALS 1024
#define PQI_MAX_DEVICES (PQI_MAX_LOGICALS + PQI_MAX_PHYSICALS + 1) /* 1 for controller device entry */
#define PQI_CTLR_INDEX (PQI_MAX_DEVICES - 1)
#define PQI_PD_INDEX(t) (t + PQI_MAX_LOGICALS)
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define MAX_TARGET_DEVICES 1024
#define PQI_NO_MEM 2
typedef enum pqisrc_device_status {
DEVICE_NOT_FOUND,
DEVICE_CHANGED,
DEVICE_UNCHANGED,
} device_status_t;
#define SA_RAID_0 0
#define SA_RAID_4 1
#define SA_RAID_1 2 /* also used for RAID 10 */
#define SA_RAID_5 3 /* also used for RAID 50 */
#define SA_RAID_51 4
#define SA_RAID_6 5 /* also used for RAID 60 */
#define SA_RAID_ADM 6 /* also used for RAID 1+0 ADM */
#define SA_RAID_MAX SA_RAID_ADM
#define SA_RAID_UNKNOWN 0xff
/* BMIC commands */
#define BMIC_IDENTIFY_CONTROLLER 0x11
#define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
#define BMIC_READ 0x26
#define BMIC_WRITE 0x27
#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
#define BMIC_CACHE_FLUSH 0xc2
#define BMIC_FLASH_FIRMWARE 0xf7
#define BMIC_WRITE_HOST_WELLNESS 0xa5
#define MASKED_DEVICE(lunid) ((lunid)[3] & 0xC0)
#define BMIC_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3F)
#define BMIC_GET_LEVEL_TWO_TARGET(lunid) ((lunid)[6])
#define BMIC_GET_DRIVE_NUMBER(lunid) \
(((BMIC_GET_LEVEL_2_BUS((lunid)) - 1) << 8) + \
BMIC_GET_LEVEL_TWO_TARGET((lunid)))
#define NON_DISK_PHYS_DEV(rle) \
(((reportlun_ext_entry_t *)(rle))->device_flags & 0x1)
#define NO_TIMEOUT ((unsigned long) -1)
#define BMIC_DEVICE_TYPE_SATA 0x1
/* No of IO slots required for internal requests */
#define PQI_RESERVED_IO_SLOTS_SYNC_REQUESTS 3
#define PQI_RESERVED_IO_SLOTS_TMF 1
#define PQI_RESERVED_IO_SLOTS_CNT (PQI_NUM_SUPPORTED_EVENTS + \
PQI_RESERVED_IO_SLOTS_TMF + \
PQI_RESERVED_IO_SLOTS_SYNC_REQUESTS)
static inline uint16_t GET_LE16(const uint8_t *p)
{
return p[0] | p[1] << 8;
}
static inline uint32_t GET_LE32(const uint8_t *p)
{
return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
}
static inline uint64_t GET_LE64(const uint8_t *p)
{
return (((uint64_t)GET_LE32(p + 4) << 32) |
GET_LE32(p));
}
static inline uint16_t GET_BE16(const uint8_t *p)
{
return p[0] << 8 | p[1];
}
static inline uint32_t GET_BE32(const uint8_t *p)
{
return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
}
static inline uint64_t GET_BE64(const uint8_t *p)
{
return (((uint64_t)GET_BE32(p) << 32) |
GET_BE32(p + 4));
}
static inline void PUT_BE16(uint16_t val, uint8_t *p)
{
*p++ = val >> 8;
*p++ = val;
}
static inline void PUT_BE32(uint32_t val, uint8_t *p)
{
PUT_BE16(val >> 16, p);
PUT_BE16(val, p + 2);
}
static inline void PUT_BE64(uint64_t val, uint8_t *p)
{
PUT_BE32(val >> 32, p);
PUT_BE32(val, p + 4);
}
#define OS_FREEBSD
#define SIS_POLL_WAIT
#define OS_ATTRIBUTE_PACKED __attribute__((__packed__))
#define OS_ATTRIBUTE_ALIGNED(n) __attribute__((aligned(n)))
/* Management Interface */
#define CCISS_IOC_MAGIC 'C'
#define SMARTPQI_IOCTL_BASE 'M'
#define CCISS_GETDRIVVER _IOWR(SMARTPQI_IOCTL_BASE, 0, driver_info)
#define CCISS_GETPCIINFO _IOWR(SMARTPQI_IOCTL_BASE, 1, pqi_pci_info_t)
#define SMARTPQI_PASS_THRU _IOWR(SMARTPQI_IOCTL_BASE, 2, IOCTL_Command_struct)
#define CCISS_PASSTHRU _IOWR('C', 210, IOCTL_Command_struct)
#define CCISS_REGNEWD _IO(CCISS_IOC_MAGIC, 14)
/*IOCTL pci_info structure */
typedef struct pqi_pci_info
{
unsigned char bus;
unsigned char dev_fn;
unsigned short domain;
uint32_t board_id;
uint32_t chip_id;
}pqi_pci_info_t;
typedef struct _driver_info
{
unsigned char major_version;
unsigned char minor_version;
unsigned char release_version;
unsigned long build_revision;
unsigned long max_targets;
unsigned long max_io;
unsigned long max_transfer_length;
}driver_info, *pdriver_info;
typedef uint8_t *passthru_buf_type_t;
#define PQISRC_DRIVER_MAJOR 1
#define PQISRC_DRIVER_MINOR 0
#define PQISRC_DRIVER_RELEASE 1
# define PQISRC_DRIVER_REVISION 239
#define STR(s) # s
#define PQISRC_VERSION(a, b, c, d) STR(a.b.c-d)
#define PQISRC_DRIVER_VERSION PQISRC_VERSION(PQISRC_DRIVER_MAJOR, \
PQISRC_DRIVER_MINOR, \
PQISRC_DRIVER_RELEASE, \
PQISRC_DRIVER_REVISION)
/* End Management interface */
#ifdef ASSERT
#undef ASSERT
#endif
#define ASSERT(cond) {\
if (!(cond)) { \
printf("Assertion failed at file %s line %d\n",__FILE__,__LINE__); \
} \
}
#define PQI_MAX_MSIX 64 /* vectors */
#define PQI_MSI_CTX_SIZE sizeof(pqi_intr_ctx)+1
#define IS_POLLING_REQUIRED(softs) if (cold) {\
pqisrc_process_event_intr_src(softs, 0);\
pqisrc_process_response_queue(softs, 1);\
}
#define OS_GET_TASK_ATTR(rcb) os_get_task_attr(rcb)
#define OS_FW_HEARTBEAT_TIMER_INTERVAL (5)
typedef struct PCI_ACC_HANDLE {
bus_space_tag_t pqi_btag;
bus_space_handle_t pqi_bhandle;
} PCI_ACC_HANDLE_T;
/*
* Legacy SIS Register definitions for the Adaptec PMC SRC/SRCv/smartraid adapters.
*/
/* accessible via BAR0 */
#define LEGACY_SIS_IOAR 0x18 /* IOA->host interrupt register */
#define LEGACY_SIS_IDBR 0x20 /* inbound doorbell register */
#define LEGACY_SIS_IISR 0x24 /* inbound interrupt status register */
#define LEGACY_SIS_OIMR 0x34 /* outbound interrupt mask register */
#define LEGACY_SIS_ODBR_R 0x9c /* outbound doorbell register read */
#define LEGACY_SIS_ODBR_C 0xa0 /* outbound doorbell register clear */
#define LEGACY_SIS_SCR0 0xb0 /* scratchpad 0 */
#define LEGACY_SIS_OMR 0xbc /* outbound message register */
#define LEGACY_SIS_IQUE64_L 0xc0 /* inbound queue address 64-bit (low) */
#define LEGACY_SIS_IQUE64_H 0xc4 /* inbound queue address 64-bit (high)*/
#define LEGACY_SIS_ODBR_MSI 0xc8 /* MSI register for sync./AIF */
#define LEGACY_SIS_IQN_L 0xd0 /* inbound queue native mode (low) */
#define LEGACY_SIS_IQN_H 0xd4 /* inbound queue native mode (high)*/
#define LEGACY_SIS_MAILBOX 0x7fc60 /* mailbox (20 bytes) */
#define LEGACY_SIS_SRCV_MAILBOX 0x1000 /* mailbox (20 bytes) */
#define LEGACY_SIS_ODR_SHIFT 12 /* outbound doorbell shift */
#define LEGACY_SIS_IDR_SHIFT 9 /* inbound doorbell shift */
/*
* PQI Register definitions for the smartraid adapters
*/
/* accessible via BAR0 */
#define PQI_SIGNATURE 0x4000
#define PQI_ADMINQ_CONFIG 0x4008
#define PQI_ADMINQ_CAP 0x4010
#define PQI_LEGACY_INTR_STATUS 0x4018
#define PQI_LEGACY_INTR_MASK_SET 0x401C
#define PQI_LEGACY_INTR_MASK_CLR 0x4020
#define PQI_DEV_STATUS 0x4040
#define PQI_ADMIN_IBQ_PI_OFFSET 0x4048
#define PQI_ADMIN_OBQ_CI_OFFSET 0x4050
#define PQI_ADMIN_IBQ_ELEM_ARRAY_ADDR 0x4058
#define PQI_ADMIN_OBQ_ELEM_ARRAY_ADDR 0x4060
#define PQI_ADMIN_IBQ_CI_ADDR 0x4068
#define PQI_ADMIN_OBQ_PI_ADDR 0x4070
#define PQI_ADMINQ_PARAM 0x4078
#define PQI_DEV_ERR 0x4080
#define PQI_DEV_ERR_DETAILS 0x4088
#define PQI_DEV_RESET 0x4090
#define PQI_POWER_ACTION 0x4094
/* Busy wait micro seconds */
#define OS_BUSYWAIT(x) DELAY(x)
#define OS_SLEEP(timeout) \
DELAY(timeout);
#define OS_HOST_WELLNESS_TIMEOUT (24 * 3600)
#define LE_16(x) htole16(x)
#define LE_32(x) htole32(x)
#define LE_64(x) htole64(x)
#define BE_16(x) htobe16(x)
#define BE_32(x) htobe32(x)
#define BE_64(x) htobe64(x)
#define PQI_HWIF_SRCV 0
#define PQI_HWIF_UNKNOWN -1
#define SMART_STATE_SUSPEND (1<<0)
#define SMART_STATE_UNUSED0 (1<<1)
#define SMART_STATE_INTERRUPTS_ON (1<<2)
#define SMART_STATE_AIF_SLEEPER (1<<3)
#define SMART_STATE_RESET (1<<4)
#define PQI_FLAG_BUSY (1<<0)
#define PQI_MSI_ENABLED (1<<1)
#define PQI_SIM_REGISTERED (1<<2)
#define PQI_MTX_INIT (1<<3)
#define PQI_CMD_MAPPED (1<<2)
/* Interrupt context to get oq_id */
typedef struct pqi_intr_ctx {
int oq_id;
device_t pqi_dev;
}pqi_intr_ctx_t;
typedef uint8_t os_dev_info_t;
typedef struct OS_SPECIFIC {
device_t pqi_dev;
struct resource *pqi_regs_res0; /* reg. if. window */
int pqi_regs_rid0; /* resource ID */
bus_dma_tag_t pqi_parent_dmat; /* parent DMA tag */
bus_dma_tag_t pqi_buffer_dmat;
/* controller hardware interface */
int pqi_hwif;
struct resource *pqi_irq[PQI_MAX_MSIX]; /* interrupt */
int pqi_irq_rid[PQI_MAX_MSIX];
void *intrcookie[PQI_MAX_MSIX];
bool intr_registered[PQI_MAX_MSIX];
bool msi_enabled; /* MSI/MSI-X enabled */
pqi_intr_ctx_t *msi_ctx;
int oq_id;
int pqi_state;
uint32_t pqi_flags;
struct mtx cam_lock;
struct mtx map_lock;
int mtx_init;
int sim_registered;
struct cam_devq *devq;
struct cam_sim *sim;
struct cam_path *path;
struct task event_task;
struct cdev *cdev;
struct callout_handle wellness_periodic; /* periodic event handling */
struct callout_handle heartbeat_timeout_id; /* heart beat event handling */
eventhandler_tag eh;
} OS_SPECIFIC_T;
typedef bus_addr_t dma_addr_t;
/* Atomic */
typedef volatile uint64_t OS_ATOMIC64_T;
#define OS_ATOMIC64_SET(_softs, target, val) atomic_set_long(&(_softs)->target, val)
#define OS_ATOMIC64_READ(_softs, target) atomic_load_acq_64(&(_softs)->target)
#define OS_ATOMIC64_INC(_softs, target) atomic_add_64(&(_softs)->target, 1)
/* Register access macros */
#define PCI_MEM_GET32( _softs, _absaddr, _offset ) \
bus_space_read_4(_softs->pci_mem_handle.pqi_btag, \
_softs->pci_mem_handle.pqi_bhandle, _offset)
#define PCI_MEM_GET64( _softs, _absaddr, _offset ) \
bus_space_read_8(_softs->pci_mem_handle.pqi_btag, \
_softs->pci_mem_handle.pqi_bhandle, _offset)
#define PCI_MEM_PUT32( _softs, _absaddr, _offset, _val ) \
bus_space_write_4(_softs->pci_mem_handle.pqi_btag, \
_softs->pci_mem_handle.pqi_bhandle, _offset, _val)
#define PCI_MEM_PUT64( _softs, _absaddr, _offset, _val ) \
bus_space_write_8(_softs->pci_mem_handle.pqi_btag, \
_softs->pci_mem_handle.pqi_bhandle, _offset, _val)
#define PCI_MEM_GET_BUF(_softs, _absaddr, _offset, buf, size) \
bus_space_read_region_1(_softs->pci_mem_handle.pqi_btag,\
_softs->pci_mem_handle.pqi_bhandle, _offset, buf, size)
/* Lock */
typedef struct mtx OS_LOCK_T;
typedef struct sema OS_SEMA_LOCK_T;
#define OS_ACQUIRE_SPINLOCK(_lock) mtx_lock_spin(_lock)
#define OS_RELEASE_SPINLOCK(_lock) mtx_unlock_spin(_lock)
#define PQI_LOCK(_lock) OS_ACQUIRE_SPINLOCK(_lock)
#define PQI_UNLOCK(_lock) OS_RELEASE_SPINLOCK(_lock)
#define OS_INIT_PQILOCK(_softs,_lock,_lockname) os_init_spinlock(_softs,_lock,_lockname)
#define OS_UNINIT_PQILOCK(_lock) os_uninit_spinlock(_lock)
#define OS_GET_CDBP(rcb) ((rcb->cm_ccb->ccb_h.flags & CAM_CDB_POINTER) ? rcb->cm_ccb->csio.cdb_io.cdb_ptr : rcb->cm_ccb->csio.cdb_io.cdb_bytes)
#define GET_SCSI_BUFFLEN(rcb) (rcb->cm_ccb->csio.dxfer_len)
#define OS_GET_IO_QINDEX(softs,rcb) curcpu % softs->num_op_obq
#define OS_GET_IO_RESP_QID(softs,rcb) (softs->op_ob_q[(OS_GET_IO_QINDEX(softs,rcb))].q_id)
#define OS_GET_IO_REQ_QINDEX(softs,rcb) OS_GET_IO_QINDEX(softs,rcb)
#define OS_GET_TMF_RESP_QID OS_GET_IO_RESP_QID
#define OS_GET_TMF_REQ_QINDEX OS_GET_IO_REQ_QINDEX
/* sg elements addr, len, flags */
#define OS_GET_IO_SG_COUNT(rcb) rcb->nseg
#define OS_GET_IO_SG_ADDR(rcb,i) rcb->sgt[i].addr
#define OS_GET_IO_SG_LEN(rcb,i) rcb->sgt[i].len
/* scsi commands used in pqilib for RAID bypass*/
#define SCMD_READ_6 READ_6
#define SCMD_WRITE_6 WRITE_6
#define SCMD_READ_10 READ_10
#define SCMD_WRITE_10 WRITE_10
#define SCMD_READ_12 READ_12
#define SCMD_WRITE_12 WRITE_12
#define SCMD_READ_16 READ_16
#define SCMD_WRITE_16 WRITE_16
/* Debug facility */
#define PQISRC_LOG_LEVEL 0x30
static int logging_level = PQISRC_LOG_LEVEL;
#define PQISRC_FLAGS_MASK 0x0000ffff
#define PQISRC_FLAGS_INIT 0x00000001
#define PQISRC_FLAGS_INFO 0x00000002
#define PQISRC_FLAGS_FUNC 0x00000004
#define PQISRC_FLAGS_TRACEIO 0x00000008
#define PQISRC_FLAGS_WARN 0x00000010
#define PQISRC_FLAGS_ERROR 0x00000020
#define DBG_INIT(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_INIT) { \
printf("[INIT]:[ %s ] [ %d ]"fmt,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_INFO(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_INFO) { \
printf("[INFO]:[ %s ] [ %d ]"fmt,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_FUNC(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_FUNC) { \
printf("[FUNC]:[ %s ] [ %d ]"fmt,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_TRACEIO(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_TRACEIO) { \
printf("[TRACEIO]:[ %s ] [ %d ]"fmt,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_WARN(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_WARN) { \
printf("[WARN]:[%u:%u.%u][CPU %d][%s][%d]:"fmt,softs->bus_id,softs->device_id,softs->func_id,curcpu,__func__,__LINE__,##args);\
} \
}while(0);
#define DBG_ERR(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_ERROR) { \
printf("[ERROR]::[%u:%u.%u][CPU %d][%s][%d]:"fmt,softs->bus_id,softs->device_id,softs->func_id,curcpu,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_IO(fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_TRACEIO) { \
printf("[IO]:[ %s ] [ %d ]"fmt,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_ERR_BTL(device,fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_ERROR) { \
printf("[ERROR]::[%u:%u.%u][%u,%u,%u][CPU %d][%s][%d]:"fmt, softs->bus_id, softs->device_id, softs->func_id, device->bus, device->target, device->lun,curcpu,__func__,__LINE__,##args); \
} \
}while(0);
#define DBG_WARN_BTL(device,fmt,args...) \
do { \
if (logging_level & PQISRC_FLAGS_WARN) { \
printf("[WARN]:[%u:%u.%u][%u,%u,%u][CPU %d][%s][%d]:"fmt, softs->bus_id, softs->device_id, softs->func_id, device->bus, device->target, device->lun,curcpu,__func__,__LINE__,##args);\
} \
}while(0);
#endif // _PQI_DEFINES_H