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freebsd-skq/sys/dev/mfi/mfireg.h
Sean Bruno c22a9c369e Export two new DCMD enums. These allow set/get of the mfi_ctrl_properties 
structure in the driver.

Having these in 10.0 means that mfiutil can be modified to take adavantage
of new updates without a kernel recompile.

Approved by:	re (gjb)
MFC after:	2 weeks
2013-09-22 23:48:41 +00:00

1901 lines
54 KiB
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/*-
* Copyright (c) 2006 IronPort Systems
* 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.
*/
/*-
* Copyright (c) 2007 LSI Corp.
* Copyright (c) 2007 Rajesh Prabhakaran.
* 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.
*/
#ifndef _MFIREG_H
#define _MFIREG_H
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* MegaRAID SAS MFI firmware definitions
*
* Calling this driver 'MegaRAID SAS' is a bit misleading. It's a completely
* new firmware interface from the old AMI MegaRAID one, and there is no
* reason why this interface should be limited to just SAS. In any case, LSI
* seems to also call this interface 'MFI', so that will be used here.
*/
#define MEGAMFI_FRAME_SIZE 64
/*
* Start with the register set. All registers are 32 bits wide.
* The usual Intel IOP style setup.
*/
#define MFI_IMSG0 0x10 /* Inbound message 0 */
#define MFI_IMSG1 0x14 /* Inbound message 1 */
#define MFI_OMSG0 0x18 /* Outbound message 0 */
#define MFI_OMSG1 0x1c /* Outbound message 1 */
#define MFI_IDB 0x20 /* Inbound doorbell */
#define MFI_ISTS 0x24 /* Inbound interrupt status */
#define MFI_IMSK 0x28 /* Inbound interrupt mask */
#define MFI_ODB 0x2c /* Outbound doorbell */
#define MFI_OSTS 0x30 /* Outbound interrupt status */
#define MFI_OMSK 0x34 /* Outbound interrupt mask */
#define MFI_IQP 0x40 /* Inbound queue port */
#define MFI_OQP 0x44 /* Outbound queue port */
/*
* ThunderBolt specific Register
*/
#define MFI_RFPI 0x48 /* reply_free_post_host_index */
#define MFI_RPI 0x6c /* reply_post_host_index */
#define MFI_ILQP 0xc0 /* inbound_low_queue_port */
#define MFI_IHQP 0xc4 /* inbound_high_queue_port */
/*
* 1078 specific related register
*/
#define MFI_ODR0 0x9c /* outbound doorbell register0 */
#define MFI_ODCR0 0xa0 /* outbound doorbell clear register0 */
#define MFI_OSP0 0xb0 /* outbound scratch pad0 */
#define MFI_1078_EIM 0x80000004 /* 1078 enable intrrupt mask */
#define MFI_RMI 0x2 /* reply message interrupt */
#define MFI_1078_RM 0x80000000 /* reply 1078 message interrupt */
#define MFI_ODC 0x4 /* outbound doorbell change interrupt */
/* OCR registers */
#define MFI_WSR 0x004 /* write sequence register */
#define MFI_HDR 0x008 /* host diagnostic register */
#define MFI_RSR 0x3c3 /* Reset Status Register */
/*
* GEN2 specific changes
*/
#define MFI_GEN2_EIM 0x00000005 /* GEN2 enable interrupt mask */
#define MFI_GEN2_RM 0x00000001 /* reply GEN2 message interrupt */
/*
* skinny specific changes
*/
#define MFI_SKINNY_IDB 0x00 /* Inbound doorbell is at 0x00 for skinny */
#define MFI_IQPL 0x000000c0
#define MFI_IQPH 0x000000c4
#define MFI_SKINNY_RM 0x00000001 /* reply skinny message interrupt */
/* Bits for MFI_OSTS */
#define MFI_OSTS_INTR_VALID 0x00000002
/* OCR specific flags */
#define MFI_FIRMWARE_STATE_CHANGE 0x00000002
#define MFI_STATE_CHANGE_INTERRUPT 0x00000004 /* MFI state change interrrupt */
/*
* Firmware state values. Found in OMSG0 during initialization.
*/
#define MFI_FWSTATE_MASK 0xf0000000
#define MFI_FWSTATE_UNDEFINED 0x00000000
#define MFI_FWSTATE_BB_INIT 0x10000000
#define MFI_FWSTATE_FW_INIT 0x40000000
#define MFI_FWSTATE_WAIT_HANDSHAKE 0x60000000
#define MFI_FWSTATE_FW_INIT_2 0x70000000
#define MFI_FWSTATE_DEVICE_SCAN 0x80000000
#define MFI_FWSTATE_BOOT_MESSAGE_PENDING 0x90000000
#define MFI_FWSTATE_FLUSH_CACHE 0xa0000000
#define MFI_FWSTATE_READY 0xb0000000
#define MFI_FWSTATE_OPERATIONAL 0xc0000000
#define MFI_FWSTATE_FAULT 0xf0000000
#define MFI_FWSTATE_MAXSGL_MASK 0x00ff0000
#define MFI_FWSTATE_MAXCMD_MASK 0x0000ffff
#define MFI_FWSTATE_HOSTMEMREQD_MASK 0x08000000
#define MFI_FWSTATE_BOOT_MESSAGE_PENDING 0x90000000
#define MFI_RESET_REQUIRED 0x00000001
/* ThunderBolt Support */
#define MFI_FWSTATE_TB_MASK 0xf0000000
#define MFI_FWSTATE_TB_RESET 0x00000000
#define MFI_FWSTATE_TB_READY 0x10000000
#define MFI_FWSTATE_TB_OPERATIONAL 0x20000000
#define MFI_FWSTATE_TB_FAULT 0x40000000
/*
* Control bits to drive the card to ready state. These go into the IDB
* register.
*/
#define MFI_FWINIT_ABORT 0x00000000 /* Abort all pending commands */
#define MFI_FWINIT_READY 0x00000002 /* Move from operational to ready */
#define MFI_FWINIT_MFIMODE 0x00000004 /* unknown */
#define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
#define MFI_FWINIT_HOTPLUG 0x00000010
/* ADP reset flags */
#define MFI_STOP_ADP 0x00000020
#define MFI_ADP_RESET 0x00000040
#define DIAG_WRITE_ENABLE 0x00000080
#define DIAG_RESET_ADAPTER 0x00000004
/* MFI Commands */
typedef enum {
MFI_CMD_INIT = 0x00,
MFI_CMD_LD_READ,
MFI_CMD_LD_WRITE,
MFI_CMD_LD_SCSI_IO,
MFI_CMD_PD_SCSI_IO,
MFI_CMD_DCMD,
MFI_CMD_ABORT,
MFI_CMD_SMP,
MFI_CMD_STP
} mfi_cmd_t;
/* Direct commands */
typedef enum {
MFI_DCMD_CTRL_GETINFO = 0x01010000,
MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC =0x0100e100,
MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
MFI_DCMD_CTRL_FLUSHCACHE = 0x01101000,
MFI_DCMD_CTRL_GET_PROPS = 0x01020100,
MFI_DCMD_CTRL_SET_PROPS = 0x01020200,
MFI_DCMD_CTRL_SHUTDOWN = 0x01050000,
MFI_DCMD_CTRL_EVENT_GETINFO = 0x01040100,
MFI_DCMD_CTRL_EVENT_GET = 0x01040300,
MFI_DCMD_CTRL_EVENT_WAIT = 0x01040500,
MFI_DCMD_PR_GET_STATUS = 0x01070100,
MFI_DCMD_PR_GET_PROPERTIES = 0x01070200,
MFI_DCMD_PR_SET_PROPERTIES = 0x01070300,
MFI_DCMD_PR_START = 0x01070400,
MFI_DCMD_PR_STOP = 0x01070500,
MFI_DCMD_TIME_SECS_GET = 0x01080201,
MFI_DCMD_FLASH_FW_OPEN = 0x010f0100,
MFI_DCMD_FLASH_FW_DOWNLOAD = 0x010f0200,
MFI_DCMD_FLASH_FW_FLASH = 0x010f0300,
MFI_DCMD_FLASH_FW_CLOSE = 0x010f0400,
MFI_DCMD_PD_GET_LIST = 0x02010000,
MFI_DCMD_PD_LIST_QUERY = 0x02010100,
MFI_DCMD_PD_GET_INFO = 0x02020000,
MFI_DCMD_PD_STATE_SET = 0x02030100,
MFI_DCMD_PD_REBUILD_START = 0x02040100,
MFI_DCMD_PD_REBUILD_ABORT = 0x02040200,
MFI_DCMD_PD_CLEAR_START = 0x02050100,
MFI_DCMD_PD_CLEAR_ABORT = 0x02050200,
MFI_DCMD_PD_GET_PROGRESS = 0x02060000,
MFI_DCMD_PD_LOCATE_START = 0x02070100,
MFI_DCMD_PD_LOCATE_STOP = 0x02070200,
MFI_DCMD_LD_MAP_GET_INFO = 0x0300e101,
MFI_DCMD_LD_SYNC = 0x0300e102,
MFI_DCMD_LD_GET_LIST = 0x03010000,
MFI_DCMD_LD_GET_INFO = 0x03020000,
MFI_DCMD_LD_GET_PROP = 0x03030000,
MFI_DCMD_LD_SET_PROP = 0x03040000,
MFI_DCMD_LD_INIT_START = 0x03060100,
MFI_DCMD_LD_DELETE = 0x03090000,
MFI_DCMD_CFG_READ = 0x04010000,
MFI_DCMD_CFG_ADD = 0x04020000,
MFI_DCMD_CFG_CLEAR = 0x04030000,
MFI_DCMD_CFG_MAKE_SPARE = 0x04040000,
MFI_DCMD_CFG_REMOVE_SPARE = 0x04050000,
MFI_DCMD_CFG_FOREIGN_SCAN = 0x04060100,
MFI_DCMD_CFG_FOREIGN_DISPLAY = 0x04060200,
MFI_DCMD_CFG_FOREIGN_PREVIEW = 0x04060300,
MFI_DCMD_CFG_FOREIGN_IMPORT = 0x04060400,
MFI_DCMD_CFG_FOREIGN_CLEAR = 0x04060500,
MFI_DCMD_BBU_GET_STATUS = 0x05010000,
MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
MFI_DCMD_BBU_GET_DESIGN_INFO = 0x05030000,
MFI_DCMD_BBU_START_LEARN = 0x05040000,
MFI_DCMD_BBU_GET_PROP = 0x05050100,
MFI_DCMD_BBU_SET_PROP = 0x05050200,
MFI_DCMD_CLUSTER = 0x08000000,
MFI_DCMD_CLUSTER_RESET_ALL = 0x08010100,
MFI_DCMD_CLUSTER_RESET_LD = 0x08010200
} mfi_dcmd_t;
/* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
#define MFI_FLUSHCACHE_CTRL 0x01
#define MFI_FLUSHCACHE_DISK 0x02
/* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
#define MFI_SHUTDOWN_SPINDOWN 0x01
/*
* MFI Frame flags
*/
#define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000
#define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001
#define MFI_FRAME_SGL32 0x0000
#define MFI_FRAME_SGL64 0x0002
#define MFI_FRAME_SENSE32 0x0000
#define MFI_FRAME_SENSE64 0x0004
#define MFI_FRAME_DIR_NONE 0x0000
#define MFI_FRAME_DIR_WRITE 0x0008
#define MFI_FRAME_DIR_READ 0x0010
#define MFI_FRAME_DIR_BOTH 0x0018
#define MFI_FRAME_IEEE_SGL 0x0020
#define MFI_FRAME_FMT "\20" \
"\1NOPOST" \
"\2SGL64" \
"\3SENSE64" \
"\4WRITE" \
"\5READ" \
"\6IEEESGL"
/* ThunderBolt Specific */
/*
* Pre-TB command size and TB command size.
* We will be checking it at the load time for the time being
*/
#define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
#define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT 256
/*
* We are defining only 128 byte message to reduce memory move over head
* and also it will reduce the SRB extension size by 128byte compared with
* 256 message size
*/
#define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE 256
#define MEGASAS_THUNDERBOLT_MAX_COMMANDS 1024
#define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT 1024
#define MEGASAS_THUNDERBOLT_REPLY_SIZE 8
#define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT 1
#define MEGASAS_MAX_SZ_CHAIN_FRAME 1024
#define MPI2_FUNCTION_PASSTHRU_IO_REQUEST 0xF0
#define MPI2_FUNCTION_LD_IO_REQUEST 0xF1
#define MR_INTERNAL_MFI_FRAMES_SMID 1
#define MR_CTRL_EVENT_WAIT_SMID 2
#define MR_INTERNAL_DRIVER_RESET_SMID 3
/* MFI Status codes */
typedef enum {
MFI_STAT_OK = 0x00,
MFI_STAT_INVALID_CMD,
MFI_STAT_INVALID_DCMD,
MFI_STAT_INVALID_PARAMETER,
MFI_STAT_INVALID_SEQUENCE_NUMBER,
MFI_STAT_ABORT_NOT_POSSIBLE,
MFI_STAT_APP_HOST_CODE_NOT_FOUND,
MFI_STAT_APP_IN_USE,
MFI_STAT_APP_NOT_INITIALIZED,
MFI_STAT_ARRAY_INDEX_INVALID,
MFI_STAT_ARRAY_ROW_NOT_EMPTY,
MFI_STAT_CONFIG_RESOURCE_CONFLICT,
MFI_STAT_DEVICE_NOT_FOUND,
MFI_STAT_DRIVE_TOO_SMALL,
MFI_STAT_FLASH_ALLOC_FAIL,
MFI_STAT_FLASH_BUSY,
MFI_STAT_FLASH_ERROR = 0x10,
MFI_STAT_FLASH_IMAGE_BAD,
MFI_STAT_FLASH_IMAGE_INCOMPLETE,
MFI_STAT_FLASH_NOT_OPEN,
MFI_STAT_FLASH_NOT_STARTED,
MFI_STAT_FLUSH_FAILED,
MFI_STAT_HOST_CODE_NOT_FOUNT,
MFI_STAT_LD_CC_IN_PROGRESS,
MFI_STAT_LD_INIT_IN_PROGRESS,
MFI_STAT_LD_LBA_OUT_OF_RANGE,
MFI_STAT_LD_MAX_CONFIGURED,
MFI_STAT_LD_NOT_OPTIMAL,
MFI_STAT_LD_RBLD_IN_PROGRESS,
MFI_STAT_LD_RECON_IN_PROGRESS,
MFI_STAT_LD_WRONG_RAID_LEVEL,
MFI_STAT_MAX_SPARES_EXCEEDED,
MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
MFI_STAT_MFC_HW_ERROR,
MFI_STAT_NO_HW_PRESENT,
MFI_STAT_NOT_FOUND,
MFI_STAT_NOT_IN_ENCL,
MFI_STAT_PD_CLEAR_IN_PROGRESS,
MFI_STAT_PD_TYPE_WRONG,
MFI_STAT_PR_DISABLED,
MFI_STAT_ROW_INDEX_INVALID,
MFI_STAT_SAS_CONFIG_INVALID_ACTION,
MFI_STAT_SAS_CONFIG_INVALID_DATA,
MFI_STAT_SAS_CONFIG_INVALID_PAGE,
MFI_STAT_SAS_CONFIG_INVALID_TYPE,
MFI_STAT_SCSI_DONE_WITH_ERROR,
MFI_STAT_SCSI_IO_FAILED,
MFI_STAT_SCSI_RESERVATION_CONFLICT,
MFI_STAT_SHUTDOWN_FAILED = 0x30,
MFI_STAT_TIME_NOT_SET,
MFI_STAT_WRONG_STATE,
MFI_STAT_LD_OFFLINE,
MFI_STAT_PEER_NOTIFICATION_REJECTED,
MFI_STAT_PEER_NOTIFICATION_FAILED,
MFI_STAT_RESERVATION_IN_PROGRESS,
MFI_STAT_I2C_ERRORS_DETECTED,
MFI_STAT_PCI_ERRORS_DETECTED,
MFI_STAT_DIAG_FAILED,
MFI_STAT_BOOT_MSG_PENDING,
MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
MFI_STAT_INVALID_STATUS = 0xFF
} mfi_status_t;
typedef enum {
MFI_EVT_CLASS_DEBUG = -2,
MFI_EVT_CLASS_PROGRESS = -1,
MFI_EVT_CLASS_INFO = 0,
MFI_EVT_CLASS_WARNING = 1,
MFI_EVT_CLASS_CRITICAL = 2,
MFI_EVT_CLASS_FATAL = 3,
MFI_EVT_CLASS_DEAD = 4
} mfi_evt_class_t;
typedef enum {
MFI_EVT_LOCALE_LD = 0x0001,
MFI_EVT_LOCALE_PD = 0x0002,
MFI_EVT_LOCALE_ENCL = 0x0004,
MFI_EVT_LOCALE_BBU = 0x0008,
MFI_EVT_LOCALE_SAS = 0x0010,
MFI_EVT_LOCALE_CTRL = 0x0020,
MFI_EVT_LOCALE_CONFIG = 0x0040,
MFI_EVT_LOCALE_CLUSTER = 0x0080,
MFI_EVT_LOCALE_ALL = 0xffff
} mfi_evt_locale_t;
typedef enum {
MR_EVT_ARGS_NONE = 0x00,
MR_EVT_ARGS_CDB_SENSE,
MR_EVT_ARGS_LD,
MR_EVT_ARGS_LD_COUNT,
MR_EVT_ARGS_LD_LBA,
MR_EVT_ARGS_LD_OWNER,
MR_EVT_ARGS_LD_LBA_PD_LBA,
MR_EVT_ARGS_LD_PROG,
MR_EVT_ARGS_LD_STATE,
MR_EVT_ARGS_LD_STRIP,
MR_EVT_ARGS_PD,
MR_EVT_ARGS_PD_ERR,
MR_EVT_ARGS_PD_LBA,
MR_EVT_ARGS_PD_LBA_LD,
MR_EVT_ARGS_PD_PROG,
MR_EVT_ARGS_PD_STATE,
MR_EVT_ARGS_PCI,
MR_EVT_ARGS_RATE,
MR_EVT_ARGS_STR,
MR_EVT_ARGS_TIME,
MR_EVT_ARGS_ECC
} mfi_evt_args;
#define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152
#define MR_EVT_PD_REMOVED 0x0070
#define MR_EVT_PD_INSERTED 0x005b
#define MR_EVT_LD_CHANGE 0x0051
typedef enum {
MR_LD_CACHE_WRITE_BACK = 0x01,
MR_LD_CACHE_WRITE_ADAPTIVE = 0x02,
MR_LD_CACHE_READ_AHEAD = 0x04,
MR_LD_CACHE_READ_ADAPTIVE = 0x08,
MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
MR_LD_CACHE_ALLOW_WRITE_CACHE = 0x20,
MR_LD_CACHE_ALLOW_READ_CACHE = 0x40
} mfi_ld_cache;
#define MR_LD_CACHE_MASK 0x7f
#define MR_LD_CACHE_POLICY_READ_AHEAD_NONE 0
#define MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS MR_LD_CACHE_READ_AHEAD
#define MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE \
(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
#define MR_LD_CACHE_POLICY_WRITE_THROUGH 0
#define MR_LD_CACHE_POLICY_WRITE_BACK MR_LD_CACHE_WRITE_BACK
#define MR_LD_CACHE_POLICY_IO_CACHED \
(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
#define MR_LD_CACHE_POLICY_IO_DIRECT 0
typedef enum {
MR_PD_CACHE_UNCHANGED = 0,
MR_PD_CACHE_ENABLE = 1,
MR_PD_CACHE_DISABLE = 2
} mfi_pd_cache;
typedef enum {
MR_PD_QUERY_TYPE_ALL = 0,
MR_PD_QUERY_TYPE_STATE = 1,
MR_PD_QUERY_TYPE_POWER_STATE = 2,
MR_PD_QUERY_TYPE_MEDIA_TYPE = 3,
MR_PD_QUERY_TYPE_SPEED = 4,
MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
} mfi_pd_query_type;
/*
* Other propertities and definitions
*/
#define MFI_MAX_PD_CHANNELS 2
#define MFI_MAX_LD_CHANNELS 2
#define MFI_MAX_CHANNELS (MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
#define MFI_MAX_CHANNEL_DEVS 128
#define MFI_DEFAULT_ID -1
#define MFI_MAX_LUN 8
#define MFI_MAX_LD 64
#define MFI_MAX_PD 256
#define MFI_FRAME_SIZE 64
#define MFI_MBOX_SIZE 12
/* Firmware flashing can take 50+ seconds */
#define MFI_POLL_TIMEOUT_SECS 60
/* Allow for speedier math calculations */
#define MFI_SECTOR_LEN 512
/* Scatter Gather elements */
struct mfi_sg32 {
uint32_t addr;
uint32_t len;
} __packed;
struct mfi_sg64 {
uint64_t addr;
uint32_t len;
} __packed;
struct mfi_sg_skinny {
uint64_t addr;
uint32_t len;
uint32_t flag;
} __packed;
union mfi_sgl {
struct mfi_sg32 sg32[1];
struct mfi_sg64 sg64[1];
struct mfi_sg_skinny sg_skinny[1];
} __packed;
/* Message frames. All messages have a common header */
struct mfi_frame_header {
uint8_t cmd;
uint8_t sense_len;
uint8_t cmd_status;
uint8_t scsi_status;
uint8_t target_id;
uint8_t lun_id;
uint8_t cdb_len;
uint8_t sg_count;
uint32_t context;
/*
* pad0 is MSI Specific. Not used by Driver. Zero the value before
* sending the command to f/w.
*/
uint32_t pad0;
uint16_t flags;
#define MFI_FRAME_DATAOUT 0x08
#define MFI_FRAME_DATAIN 0x10
uint16_t timeout;
uint32_t data_len;
} __packed;
struct mfi_init_frame {
struct mfi_frame_header header;
uint32_t qinfo_new_addr_lo;
uint32_t qinfo_new_addr_hi;
uint32_t qinfo_old_addr_lo;
uint32_t qinfo_old_addr_hi;
// Start LSIP200113393
uint32_t driver_ver_lo; /*28h */
uint32_t driver_ver_hi; /*2Ch */
uint32_t reserved[4];
// End LSIP200113393
} __packed;
/*
* Define MFI Address Context union.
*/
#ifdef MFI_ADDRESS_IS_uint64_t
typedef uint64_t MFI_ADDRESS;
#else
typedef union _MFI_ADDRESS {
struct {
uint32_t addressLow;
uint32_t addressHigh;
} u;
uint64_t address;
} MFI_ADDRESS, *PMFI_ADDRESS;
#endif
#define MFI_IO_FRAME_SIZE 40
struct mfi_io_frame {
struct mfi_frame_header header;
uint32_t sense_addr_lo;
uint32_t sense_addr_hi;
uint32_t lba_lo;
uint32_t lba_hi;
union mfi_sgl sgl;
} __packed;
#define MFI_PASS_FRAME_SIZE 48
struct mfi_pass_frame {
struct mfi_frame_header header;
uint32_t sense_addr_lo;
uint32_t sense_addr_hi;
uint8_t cdb[16];
union mfi_sgl sgl;
} __packed;
#define MFI_DCMD_FRAME_SIZE 40
struct mfi_dcmd_frame {
struct mfi_frame_header header;
uint32_t opcode;
uint8_t mbox[MFI_MBOX_SIZE];
union mfi_sgl sgl;
} __packed;
struct mfi_abort_frame {
struct mfi_frame_header header;
uint32_t abort_context;
/* pad is changed to reserved.*/
uint32_t reserved0;
uint32_t abort_mfi_addr_lo;
uint32_t abort_mfi_addr_hi;
uint32_t reserved1[6];
} __packed;
struct mfi_smp_frame {
struct mfi_frame_header header;
uint64_t sas_addr;
union {
struct mfi_sg32 sg32[2];
struct mfi_sg64 sg64[2];
} sgl;
} __packed;
struct mfi_stp_frame {
struct mfi_frame_header header;
uint16_t fis[10];
uint32_t stp_flags;
union {
struct mfi_sg32 sg32[2];
struct mfi_sg64 sg64[2];
} sgl;
} __packed;
union mfi_frame {
struct mfi_frame_header header;
struct mfi_init_frame init;
/* ThunderBolt Initialization */
struct mfi_io_frame io;
struct mfi_pass_frame pass;
struct mfi_dcmd_frame dcmd;
struct mfi_abort_frame abort;
struct mfi_smp_frame smp;
struct mfi_stp_frame stp;
uint8_t bytes[MFI_FRAME_SIZE];
};
#define MFI_SENSE_LEN 128
struct mfi_sense {
uint8_t data[MFI_SENSE_LEN];
};
/* The queue init structure that is passed with the init message */
struct mfi_init_qinfo {
uint32_t flags;
uint32_t rq_entries;
uint32_t rq_addr_lo;
uint32_t rq_addr_hi;
uint32_t pi_addr_lo;
uint32_t pi_addr_hi;
uint32_t ci_addr_lo;
uint32_t ci_addr_hi;
} __packed;
/* SAS (?) controller properties, part of mfi_ctrl_info */
struct mfi_ctrl_props {
uint16_t seq_num;
uint16_t pred_fail_poll_interval;
uint16_t intr_throttle_cnt;
uint16_t intr_throttle_timeout;
uint8_t rebuild_rate;
uint8_t patrol_read_rate;
uint8_t bgi_rate;
uint8_t cc_rate;
uint8_t recon_rate;
uint8_t cache_flush_interval;
uint8_t spinup_drv_cnt;
uint8_t spinup_delay;
uint8_t cluster_enable;
uint8_t coercion_mode;
uint8_t alarm_enable;
uint8_t disable_auto_rebuild;
uint8_t disable_battery_warn;
uint8_t ecc_bucket_size;
uint16_t ecc_bucket_leak_rate;
uint8_t restore_hotspare_on_insertion;
uint8_t expose_encl_devices;
uint8_t maintainPdFailHistory;
uint8_t disallowHostRequestReordering;
/* set TRUE to abort CC on detecting an inconsistency */
uint8_t abortCCOnError;
/* load balance mode (MR_LOAD_BALANCE_MODE) */
uint8_t loadBalanceMode;
/*
* 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
* h/w mechansim like GPIO pins
* 1 - disable auto detect SGPIO,
* 2 - disable i2c SEP auto detect
* 3 - disable both auto detect
*/
uint8_t disableAutoDetectBackplane;
/*
* % of source LD to be reserved for a VDs snapshot in snapshot
* repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
*/
uint8_t snapVDSpace;
/*
* Add properties that can be controlled by a bit in the following
* structure.
*/
struct {
/* set TRUE to disable copyBack (0=copback enabled) */
uint32_t copyBackDisabled :1;
uint32_t SMARTerEnabled :1;
uint32_t prCorrectUnconfiguredAreas :1;
uint32_t useFdeOnly :1;
uint32_t disableNCQ :1;
uint32_t SSDSMARTerEnabled :1;
uint32_t SSDPatrolReadEnabled :1;
uint32_t enableSpinDownUnconfigured :1;
uint32_t autoEnhancedImport :1;
uint32_t enableSecretKeyControl :1;
uint32_t disableOnlineCtrlReset :1;
uint32_t allowBootWithPinnedCache :1;
uint32_t disableSpinDownHS :1;
uint32_t enableJBOD :1;
uint32_t reserved :18;
} OnOffProperties;
/*
* % of source LD to be reserved for auto snapshot in snapshot
* repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
*/
uint8_t autoSnapVDSpace;
/*
* Snapshot writeable VIEWs capacity as a % of source LD capacity:
* 0=READ only, 1=5%, 2=10%, 3=15% and so on.
*/
uint8_t viewSpace;
/* # of idle minutes before device is spun down (0=use FW defaults) */
uint16_t spinDownTime;
uint8_t reserved[24];
} __packed;
/* PCI information about the card. */
struct mfi_info_pci {
uint16_t vendor;
uint16_t device;
uint16_t subvendor;
uint16_t subdevice;
uint8_t reserved[24];
} __packed;
/* Host (front end) interface information */
struct mfi_info_host {
uint8_t type;
#define MFI_INFO_HOST_PCIX 0x01
#define MFI_INFO_HOST_PCIE 0x02
#define MFI_INFO_HOST_ISCSI 0x04
#define MFI_INFO_HOST_SAS3G 0x08
uint8_t reserved[6];
uint8_t port_count;
uint64_t port_addr[8];
} __packed;
/* Device (back end) interface information */
struct mfi_info_device {
uint8_t type;
#define MFI_INFO_DEV_SPI 0x01
#define MFI_INFO_DEV_SAS3G 0x02
#define MFI_INFO_DEV_SATA1 0x04
#define MFI_INFO_DEV_SATA3G 0x08
uint8_t reserved[6];
uint8_t port_count;
uint64_t port_addr[8];
} __packed;
/* Firmware component information */
struct mfi_info_component {
char name[8];
char version[32];
char build_date[16];
char build_time[16];
} __packed;
/* Controller default settings */
struct mfi_defaults {
uint64_t sas_addr;
uint8_t phy_polarity;
uint8_t background_rate;
uint8_t stripe_size;
uint8_t flush_time;
uint8_t write_back;
uint8_t read_ahead;
uint8_t cache_when_bbu_bad;
uint8_t cached_io;
uint8_t smart_mode;
uint8_t alarm_disable;
uint8_t coercion;
uint8_t zrc_config;
uint8_t dirty_led_shows_drive_activity;
uint8_t bios_continue_on_error;
uint8_t spindown_mode;
uint8_t allowed_device_types;
uint8_t allow_mix_in_enclosure;
uint8_t allow_mix_in_ld;
uint8_t allow_sata_in_cluster;
uint8_t max_chained_enclosures;
uint8_t disable_ctrl_r;
uint8_t enabel_web_bios;
uint8_t phy_polarity_split;
uint8_t direct_pd_mapping;
uint8_t bios_enumerate_lds;
uint8_t restored_hot_spare_on_insertion;
uint8_t expose_enclosure_devices;
uint8_t maintain_pd_fail_history;
uint8_t resv[28];
} __packed;
/* Controller default settings */
struct mfi_bios_data {
uint16_t boot_target_id;
uint8_t do_not_int_13;
uint8_t continue_on_error;
uint8_t verbose;
uint8_t geometry;
uint8_t expose_all_drives;
uint8_t reserved[56];
uint8_t check_sum;
} __packed;
/* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
struct mfi_ctrl_info {
struct mfi_info_pci pci;
struct mfi_info_host host;
struct mfi_info_device device;
/* Firmware components that are present and active. */
uint32_t image_check_word;
uint32_t image_component_count;
struct mfi_info_component image_component[8];
/* Firmware components that have been flashed but are inactive */
uint32_t pending_image_component_count;
struct mfi_info_component pending_image_component[8];
uint8_t max_arms;
uint8_t max_spans;
uint8_t max_arrays;
uint8_t max_lds;
char product_name[80];
char serial_number[32];
uint32_t hw_present;
#define MFI_INFO_HW_BBU 0x01
#define MFI_INFO_HW_ALARM 0x02
#define MFI_INFO_HW_NVRAM 0x04
#define MFI_INFO_HW_UART 0x08
uint32_t current_fw_time;
uint16_t max_cmds;
uint16_t max_sg_elements;
uint32_t max_request_size;
uint16_t lds_present;
uint16_t lds_degraded;
uint16_t lds_offline;
uint16_t pd_present;
uint16_t pd_disks_present;
uint16_t pd_disks_pred_failure;
uint16_t pd_disks_failed;
uint16_t nvram_size;
uint16_t memory_size;
uint16_t flash_size;
uint16_t ram_correctable_errors;
uint16_t ram_uncorrectable_errors;
uint8_t cluster_allowed;
uint8_t cluster_active;
uint16_t max_strips_per_io;
uint32_t raid_levels;
#define MFI_INFO_RAID_0 0x01
#define MFI_INFO_RAID_1 0x02
#define MFI_INFO_RAID_5 0x04
#define MFI_INFO_RAID_1E 0x08
#define MFI_INFO_RAID_6 0x10
uint32_t adapter_ops;
#define MFI_INFO_AOPS_RBLD_RATE 0x0001
#define MFI_INFO_AOPS_CC_RATE 0x0002
#define MFI_INFO_AOPS_BGI_RATE 0x0004
#define MFI_INFO_AOPS_RECON_RATE 0x0008
#define MFI_INFO_AOPS_PATROL_RATE 0x0010
#define MFI_INFO_AOPS_ALARM_CONTROL 0x0020
#define MFI_INFO_AOPS_CLUSTER_SUPPORTED 0x0040
#define MFI_INFO_AOPS_BBU 0x0080
#define MFI_INFO_AOPS_SPANNING_ALLOWED 0x0100
#define MFI_INFO_AOPS_DEDICATED_SPARES 0x0200
#define MFI_INFO_AOPS_REVERTIBLE_SPARES 0x0400
#define MFI_INFO_AOPS_FOREIGN_IMPORT 0x0800
#define MFI_INFO_AOPS_SELF_DIAGNOSTIC 0x1000
#define MFI_INFO_AOPS_MIXED_ARRAY 0x2000
#define MFI_INFO_AOPS_GLOBAL_SPARES 0x4000
uint32_t ld_ops;
#define MFI_INFO_LDOPS_READ_POLICY 0x01
#define MFI_INFO_LDOPS_WRITE_POLICY 0x02
#define MFI_INFO_LDOPS_IO_POLICY 0x04
#define MFI_INFO_LDOPS_ACCESS_POLICY 0x08
#define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
struct {
uint8_t min;
uint8_t max;
uint8_t reserved[2];
} __packed stripe_sz_ops;
uint32_t pd_ops;
#define MFI_INFO_PDOPS_FORCE_ONLINE 0x01
#define MFI_INFO_PDOPS_FORCE_OFFLINE 0x02
#define MFI_INFO_PDOPS_FORCE_REBUILD 0x04
uint32_t pd_mix_support;
#define MFI_INFO_PDMIX_SAS 0x01
#define MFI_INFO_PDMIX_SATA 0x02
#define MFI_INFO_PDMIX_ENCL 0x04
#define MFI_INFO_PDMIX_LD 0x08
#define MFI_INFO_PDMIX_SATA_CLUSTER 0x10
uint8_t ecc_bucket_count;
uint8_t reserved2[11];
struct mfi_ctrl_props properties;
char package_version[0x60];
uint8_t pad[0x800 - 0x6a0];
} __packed;
/* keep track of an event. */
union mfi_evt {
struct {
uint16_t locale;
uint8_t reserved;
int8_t evt_class;
} members;
uint32_t word;
} __packed;
/* event log state. */
struct mfi_evt_log_state {
uint32_t newest_seq_num;
uint32_t oldest_seq_num;
uint32_t clear_seq_num;
uint32_t shutdown_seq_num;
uint32_t boot_seq_num;
} __packed;
struct mfi_progress {
uint16_t progress;
uint16_t elapsed_seconds;
} __packed;
struct mfi_evt_ld {
uint16_t target_id;
uint8_t ld_index;
uint8_t reserved;
} __packed;
struct mfi_evt_pd {
uint16_t device_id;
uint8_t enclosure_index;
uint8_t slot_number;
} __packed;
/* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
struct mfi_evt_detail {
uint32_t seq;
uint32_t time;
uint32_t code;
union mfi_evt evt_class;
uint8_t arg_type;
uint8_t reserved1[15];
union {
struct {
struct mfi_evt_pd pd;
uint8_t cdb_len;
uint8_t sense_len;
uint8_t reserved[2];
uint8_t cdb[16];
uint8_t sense[64];
} cdb_sense;
struct mfi_evt_ld ld;
struct {
struct mfi_evt_ld ld;
uint64_t count;
} ld_count;
struct {
uint64_t lba;
struct mfi_evt_ld ld;
} ld_lba;
struct {
struct mfi_evt_ld ld;
uint32_t pre_owner;
uint32_t new_owner;
} ld_owner;
struct {
uint64_t ld_lba;
uint64_t pd_lba;
struct mfi_evt_ld ld;
struct mfi_evt_pd pd;
} ld_lba_pd_lba;
struct {
struct mfi_evt_ld ld;
struct mfi_progress prog;
} ld_prog;
struct {
struct mfi_evt_ld ld;
uint32_t prev_state;
uint32_t new_state;
} ld_state;
struct {
uint64_t strip;
struct mfi_evt_ld ld;
} ld_strip;
struct mfi_evt_pd pd;
struct {
struct mfi_evt_pd pd;
uint32_t err;
} pd_err;
struct {
uint64_t lba;
struct mfi_evt_pd pd;
} pd_lba;
struct {
uint64_t lba;
struct mfi_evt_pd pd;
struct mfi_evt_ld ld;
} pd_lba_ld;
struct {
struct mfi_evt_pd pd;
struct mfi_progress prog;
} pd_prog;
struct {
struct mfi_evt_pd ld;
uint32_t prev_state;
uint32_t new_state;
} pd_state;
struct {
uint16_t venderId;
uint16_t deviceId;
uint16_t subVenderId;
uint16_t subDeviceId;
} pci;
uint32_t rate;
char str[96];
struct {
uint32_t rtc;
uint16_t elapsedSeconds;
} time;
struct {
uint32_t ecar;
uint32_t elog;
char str[64];
} ecc;
uint8_t b[96];
uint16_t s[48];
uint32_t w[24];
uint64_t d[12];
} args;
char description[128];
} __packed;
struct mfi_evt_list {
uint32_t count;
uint32_t reserved;
struct mfi_evt_detail event[1];
} __packed;
union mfi_pd_ref {
struct {
uint16_t device_id;
uint16_t seq_num;
} v;
uint32_t ref;
} __packed;
union mfi_pd_ddf_type {
struct {
union {
struct {
uint16_t forced_pd_guid : 1;
uint16_t in_vd : 1;
uint16_t is_global_spare : 1;
uint16_t is_spare : 1;
uint16_t is_foreign : 1;
uint16_t reserved : 7;
uint16_t intf : 4;
} pd_type;
uint16_t type;
} v;
uint16_t reserved;
} ddf;
struct {
uint32_t reserved;
} non_disk;
uint32_t type;
} __packed;
struct mfi_pd_progress {
uint32_t active;
#define MFI_PD_PROGRESS_REBUILD (1<<0)
#define MFI_PD_PROGRESS_PATROL (1<<1)
#define MFI_PD_PROGRESS_CLEAR (1<<2)
struct mfi_progress rbld;
struct mfi_progress patrol;
struct mfi_progress clear;
struct mfi_progress reserved[4];
} __packed;
struct mfi_pd_info {
union mfi_pd_ref ref;
uint8_t inquiry_data[96];
uint8_t vpd_page83[64];
uint8_t not_supported;
uint8_t scsi_dev_type;
uint8_t connected_port_bitmap;
uint8_t device_speed;
uint32_t media_err_count;
uint32_t other_err_count;
uint32_t pred_fail_count;
uint32_t last_pred_fail_event_seq_num;
uint16_t fw_state; /* MFI_PD_STATE_* */
uint8_t disabled_for_removal;
uint8_t link_speed;
union mfi_pd_ddf_type state;
struct {
uint8_t count;
uint8_t is_path_broken;
uint8_t reserved[6];
uint64_t sas_addr[4];
} path_info;
uint64_t raw_size;
uint64_t non_coerced_size;
uint64_t coerced_size;
uint16_t encl_device_id;
uint8_t encl_index;
uint8_t slot_number;
struct mfi_pd_progress prog_info;
uint8_t bad_block_table_full;
uint8_t unusable_in_current_config;
uint8_t vpd_page83_ext[64];
uint8_t reserved[512-358];
} __packed;
struct mfi_pd_address {
uint16_t device_id;
uint16_t encl_device_id;
uint8_t encl_index;
uint8_t slot_number;
uint8_t scsi_dev_type; /* 0 = disk */
uint8_t connect_port_bitmap;
uint64_t sas_addr[2];
} __packed;
#define MAX_SYS_PDS 240
struct mfi_pd_list {
uint32_t size;
uint32_t count;
struct mfi_pd_address addr[MAX_SYS_PDS];
} __packed;
enum mfi_pd_state {
MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
MFI_PD_STATE_HOT_SPARE = 0x02,
MFI_PD_STATE_OFFLINE = 0x10,
MFI_PD_STATE_FAILED = 0x11,
MFI_PD_STATE_REBUILD = 0x14,
MFI_PD_STATE_ONLINE = 0x18,
MFI_PD_STATE_COPYBACK = 0x20,
MFI_PD_STATE_SYSTEM = 0x40
};
/*
* "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
* Adding a #define to denote this.
*/
#define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
union mfi_ld_ref {
struct {
uint8_t target_id;
uint8_t reserved;
uint16_t seq;
} v;
uint32_t ref;
} __packed;
struct mfi_ld_list {
uint32_t ld_count;
uint32_t reserved1;
struct {
union mfi_ld_ref ld;
uint8_t state;
uint8_t reserved2[3];
uint64_t size;
} ld_list[MFI_MAX_LD];
} __packed;
enum mfi_ld_access {
MFI_LD_ACCESS_RW = 0,
MFI_LD_ACCSSS_RO = 2,
MFI_LD_ACCESS_BLOCKED = 3,
};
#define MFI_LD_ACCESS_MASK 3
enum mfi_ld_state {
MFI_LD_STATE_OFFLINE = 0,
MFI_LD_STATE_PARTIALLY_DEGRADED = 1,
MFI_LD_STATE_DEGRADED = 2,
MFI_LD_STATE_OPTIMAL = 3
};
struct mfi_ld_props {
union mfi_ld_ref ld;
char name[16];
uint8_t default_cache_policy;
uint8_t access_policy;
uint8_t disk_cache_policy;
uint8_t current_cache_policy;
uint8_t no_bgi;
uint8_t reserved[7];
} __packed;
struct mfi_ld_params {
uint8_t primary_raid_level;
uint8_t raid_level_qualifier;
uint8_t secondary_raid_level;
uint8_t stripe_size;
uint8_t num_drives;
uint8_t span_depth;
uint8_t state;
uint8_t init_state;
#define MFI_LD_PARAMS_INIT_NO 0
#define MFI_LD_PARAMS_INIT_QUICK 1
#define MFI_LD_PARAMS_INIT_FULL 2
uint8_t is_consistent;
uint8_t reserved1[6];
uint8_t isSSCD;
uint8_t reserved2[16];
} __packed;
struct mfi_ld_progress {
uint32_t active;
#define MFI_LD_PROGRESS_CC (1<<0)
#define MFI_LD_PROGRESS_BGI (1<<1)
#define MFI_LD_PROGRESS_FGI (1<<2)
#define MFI_LD_PROGRESS_RECON (1<<3)
struct mfi_progress cc;
struct mfi_progress bgi;
struct mfi_progress fgi;
struct mfi_progress recon;
struct mfi_progress reserved[4];
} __packed;
struct mfi_span {
uint64_t start_block;
uint64_t num_blocks;
uint16_t array_ref;
uint8_t reserved[6];
} __packed;
#define MFI_MAX_SPAN_DEPTH 8
struct mfi_ld_config {
struct mfi_ld_props properties;
struct mfi_ld_params params;
struct mfi_span span[MFI_MAX_SPAN_DEPTH];
} __packed;
struct mfi_ld_info {
struct mfi_ld_config ld_config;
uint64_t size;
struct mfi_ld_progress progress;
uint16_t cluster_owner;
uint8_t reconstruct_active;
uint8_t reserved1[1];
uint8_t vpd_page83[64];
uint8_t reserved2[16];
} __packed;
#define MFI_MAX_ARRAYS 16
struct mfi_spare {
union mfi_pd_ref ref;
uint8_t spare_type;
#define MFI_SPARE_DEDICATED (1 << 0)
#define MFI_SPARE_REVERTIBLE (1 << 1)
#define MFI_SPARE_ENCL_AFFINITY (1 << 2)
uint8_t reserved[2];
uint8_t array_count;
uint16_t array_ref[MFI_MAX_ARRAYS];
} __packed;
#define MFI_MAX_ROW_SIZE 32
struct mfi_array {
uint64_t size;
uint8_t num_drives;
uint8_t reserved;
uint16_t array_ref;
uint8_t pad[20];
struct {
union mfi_pd_ref ref; /* 0xffff == missing drive */
uint16_t fw_state; /* MFI_PD_STATE_* */
struct {
uint8_t pd;
uint8_t slot;
} encl;
} pd[MFI_MAX_ROW_SIZE];
} __packed;
struct mfi_config_data {
uint32_t size;
uint16_t array_count;
uint16_t array_size;
uint16_t log_drv_count;
uint16_t log_drv_size;
uint16_t spares_count;
uint16_t spares_size;
uint8_t reserved[16];
struct mfi_array array[0];
struct mfi_ld_config ld[0];
struct mfi_spare spare[0];
} __packed;
struct mfi_bbu_capacity_info {
uint16_t relative_charge;
uint16_t absolute_charge;
uint16_t remaining_capacity;
uint16_t full_charge_capacity;
uint16_t run_time_to_empty;
uint16_t average_time_to_empty;
uint16_t average_time_to_full;
uint16_t cycle_count;
uint16_t max_error;
uint16_t remaining_capacity_alarm;
uint16_t remaining_time_alarm;
uint8_t reserved[26];
} __packed;
struct mfi_bbu_design_info {
uint32_t mfg_date;
uint16_t design_capacity;
uint16_t design_voltage;
uint16_t spec_info;
uint16_t serial_number;
uint16_t pack_stat_config;
uint8_t mfg_name[12];
uint8_t device_name[8];
uint8_t device_chemistry[8];
uint8_t mfg_data[8];
uint8_t reserved[17];
} __packed;
struct mfi_ibbu_state {
uint16_t gas_guage_status;
uint16_t relative_charge;
uint16_t charger_system_state;
uint16_t charger_system_ctrl;
uint16_t charging_current;
uint16_t absolute_charge;
uint16_t max_error;
uint8_t reserved[18];
} __packed;
struct mfi_bbu_state {
uint16_t gas_guage_status;
uint16_t relative_charge;
uint16_t charger_status;
uint16_t remaining_capacity;
uint16_t full_charge_capacity;
uint8_t is_SOH_good;
uint8_t reserved[21];
} __packed;
struct mfi_bbu_properties {
uint32_t auto_learn_period;
uint32_t next_learn_time;
uint8_t learn_delay_interval;
uint8_t auto_learn_mode;
uint8_t bbu_mode;
uint8_t reserved[21];
} __packed;
union mfi_bbu_status_detail {
struct mfi_ibbu_state ibbu;
struct mfi_bbu_state bbu;
};
struct mfi_bbu_status {
uint8_t battery_type;
#define MFI_BBU_TYPE_NONE 0
#define MFI_BBU_TYPE_IBBU 1
#define MFI_BBU_TYPE_BBU 2
uint8_t reserved;
uint16_t voltage;
int16_t current;
uint16_t temperature;
uint32_t fw_status;
#define MFI_BBU_STATE_PACK_MISSING (1 << 0)
#define MFI_BBU_STATE_VOLTAGE_LOW (1 << 1)
#define MFI_BBU_STATE_TEMPERATURE_HIGH (1 << 2)
#define MFI_BBU_STATE_CHARGE_ACTIVE (1 << 3)
#define MFI_BBU_STATE_DISCHARGE_ACTIVE (1 << 4)
#define MFI_BBU_STATE_LEARN_CYC_REQ (1 << 5)
#define MFI_BBU_STATE_LEARN_CYC_ACTIVE (1 << 6)
#define MFI_BBU_STATE_LEARN_CYC_FAIL (1 << 7)
#define MFI_BBU_STATE_LEARN_CYC_TIMEOUT (1 << 8)
#define MFI_BBU_STATE_I2C_ERR_DETECT (1 << 9)
uint8_t pad[20];
union mfi_bbu_status_detail detail;
} __packed;
enum mfi_pr_state {
MFI_PR_STATE_STOPPED = 0,
MFI_PR_STATE_READY = 1,
MFI_PR_STATE_ACTIVE = 2,
MFI_PR_STATE_ABORTED = 0xff
};
struct mfi_pr_status {
uint32_t num_iteration;
uint8_t state;
uint8_t num_pd_done;
uint8_t reserved[10];
};
enum mfi_pr_opmode {
MFI_PR_OPMODE_AUTO = 0,
MFI_PR_OPMODE_MANUAL = 1,
MFI_PR_OPMODE_DISABLED = 2
};
struct mfi_pr_properties {
uint8_t op_mode;
uint8_t max_pd;
uint8_t reserved;
uint8_t exclude_ld_count;
uint16_t excluded_ld[MFI_MAX_LD];
uint8_t cur_pd_map[MFI_MAX_PD / 8];
uint8_t last_pd_map[MFI_MAX_PD / 8];
uint32_t next_exec;
uint32_t exec_freq;
uint32_t clear_freq;
};
/* ThunderBolt support */
/*
* Raid Context structure which describes MegaRAID specific IO Paramenters
* This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
*/
typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
uint16_t resvd0; /* 0x00 - 0x01 */
uint16_t timeoutValue; /* 0x02 - 0x03 */
uint8_t regLockFlags;
uint8_t armId;
uint16_t TargetID; /* 0x06 - 0x07 */
uint64_t RegLockLBA; /* 0x08 - 0x0F */
uint32_t RegLockLength; /* 0x10 - 0x13 */
uint16_t SMID; /* 0x14 - 0x15 nextLMId */
uint8_t exStatus; /* 0x16 */
uint8_t Status; /* 0x17 status */
uint8_t RAIDFlags; /* 0x18 */
uint8_t numSGE; /* 0x19 numSge */
uint16_t configSeqNum; /* 0x1A - 0x1B */
uint8_t spanArm; /* 0x1C */
uint8_t resvd2[3]; /* 0x1D - 0x1F */
} MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
/*****************************************************************************
*
* Message Functions
*
*****************************************************************************/
#define NA_MPI2_FUNCTION_SCSI_IO_REQUEST (0x00) /* SCSI IO */
#define MPI2_FUNCTION_SCSI_TASK_MGMT (0x01) /* SCSI Task Management */
#define MPI2_FUNCTION_IOC_INIT (0x02) /* IOC Init */
#define MPI2_FUNCTION_IOC_FACTS (0x03) /* IOC Facts */
#define MPI2_FUNCTION_CONFIG (0x04) /* Configuration */
#define MPI2_FUNCTION_PORT_FACTS (0x05) /* Port Facts */
#define MPI2_FUNCTION_PORT_ENABLE (0x06) /* Port Enable */
#define MPI2_FUNCTION_EVENT_NOTIFICATION (0x07) /* Event Notification */
#define MPI2_FUNCTION_EVENT_ACK (0x08) /* Event Acknowledge */
#define MPI2_FUNCTION_FW_DOWNLOAD (0x09) /* FW Download */
#define MPI2_FUNCTION_TARGET_ASSIST (0x0B) /* Target Assist */
#define MPI2_FUNCTION_TARGET_STATUS_SEND (0x0C) /* Target Status Send */
#define MPI2_FUNCTION_TARGET_MODE_ABORT (0x0D) /* Target Mode Abort */
#define MPI2_FUNCTION_FW_UPLOAD (0x12) /* FW Upload */
#define MPI2_FUNCTION_RAID_ACTION (0x15) /* RAID Action */
#define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH (0x16) /* SCSI IO RAID Passthrough */
#define MPI2_FUNCTION_TOOLBOX (0x17) /* Toolbox */
#define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR (0x18) /* SCSI Enclosure Processor */
#define MPI2_FUNCTION_SMP_PASSTHROUGH (0x1A) /* SMP Passthrough */
#define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL (0x1B) /* SAS IO Unit Control */
#define MPI2_FUNCTION_SATA_PASSTHROUGH (0x1C) /* SATA Passthrough */
#define MPI2_FUNCTION_DIAG_BUFFER_POST (0x1D) /* Diagnostic Buffer Post */
#define MPI2_FUNCTION_DIAG_RELEASE (0x1E) /* Diagnostic Release */
#define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST (0x24) /* Target Command Buffer Post Base */
#define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST (0x25) /* Target Command Buffer Post List */
#define MPI2_FUNCTION_RAID_ACCELERATOR (0x2C) /* RAID Accelerator */
#define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION (0x2F) /* Host Based Discovery Action */
#define MPI2_FUNCTION_PWR_MGMT_CONTROL (0x30) /* Power Management Control */
#define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC (0xF0) /* beginning of product-specific range */
#define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC (0xFF) /* end of product-specific range */
/* Doorbell functions */
#define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET (0x40)
#define MPI2_FUNCTION_HANDSHAKE (0x42)
/*****************************************************************************
*
* MPI Version Definitions
*
*****************************************************************************/
#define MPI2_VERSION_MAJOR (0x02)
#define MPI2_VERSION_MINOR (0x00)
#define MPI2_VERSION_MAJOR_MASK (0xFF00)
#define MPI2_VERSION_MAJOR_SHIFT (8)
#define MPI2_VERSION_MINOR_MASK (0x00FF)
#define MPI2_VERSION_MINOR_SHIFT (0)
#define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
MPI2_VERSION_MINOR)
#define MPI2_VERSION_02_00 (0x0200)
/* versioning for this MPI header set */
#define MPI2_HEADER_VERSION_UNIT (0x10)
#define MPI2_HEADER_VERSION_DEV (0x00)
#define MPI2_HEADER_VERSION_UNIT_MASK (0xFF00)
#define MPI2_HEADER_VERSION_UNIT_SHIFT (8)
#define MPI2_HEADER_VERSION_DEV_MASK (0x00FF)
#define MPI2_HEADER_VERSION_DEV_SHIFT (0)
#define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
MPI2_HEADER_VERSION_DEV)
/* IOCInit Request message */
struct MPI2_IOC_INIT_REQUEST {
uint8_t WhoInit; /* 0x00 */
uint8_t Reserved1; /* 0x01 */
uint8_t ChainOffset; /* 0x02 */
uint8_t Function; /* 0x03 */
uint16_t Reserved2; /* 0x04 */
uint8_t Reserved3; /* 0x06 */
uint8_t MsgFlags; /* 0x07 */
uint8_t VP_ID; /* 0x08 */
uint8_t VF_ID; /* 0x09 */
uint16_t Reserved4; /* 0x0A */
uint16_t MsgVersion; /* 0x0C */
uint16_t HeaderVersion; /* 0x0E */
uint32_t Reserved5; /* 0x10 */
uint16_t Reserved6; /* 0x14 */
uint8_t Reserved7; /* 0x16 */
uint8_t HostMSIxVectors; /* 0x17 */
uint16_t Reserved8; /* 0x18 */
uint16_t SystemRequestFrameSize; /* 0x1A */
uint16_t ReplyDescriptorPostQueueDepth; /* 0x1C */
uint16_t ReplyFreeQueueDepth; /* 0x1E */
uint32_t SenseBufferAddressHigh; /* 0x20 */
uint32_t SystemReplyAddressHigh; /* 0x24 */
uint64_t SystemRequestFrameBaseAddress; /* 0x28 */
uint64_t ReplyDescriptorPostQueueAddress;/* 0x30 */
uint64_t ReplyFreeQueueAddress; /* 0x38 */
uint64_t TimeStamp; /* 0x40 */
};
/* WhoInit values */
#define MPI2_WHOINIT_NOT_INITIALIZED (0x00)
#define MPI2_WHOINIT_SYSTEM_BIOS (0x01)
#define MPI2_WHOINIT_ROM_BIOS (0x02)
#define MPI2_WHOINIT_PCI_PEER (0x03)
#define MPI2_WHOINIT_HOST_DRIVER (0x04)
#define MPI2_WHOINIT_MANUFACTURER (0x05)
struct MPI2_SGE_CHAIN_UNION {
uint16_t Length;
uint8_t NextChainOffset;
uint8_t Flags;
union {
uint32_t Address32;
uint64_t Address64;
} u;
};
struct MPI2_IEEE_SGE_SIMPLE32 {
uint32_t Address;
uint32_t FlagsLength;
};
struct MPI2_IEEE_SGE_SIMPLE64 {
uint64_t Address;
uint32_t Length;
uint16_t Reserved1;
uint8_t Reserved2;
uint8_t Flags;
};
typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
struct MPI2_IEEE_SGE_SIMPLE32 Simple32;
struct MPI2_IEEE_SGE_SIMPLE64 Simple64;
} MPI2_IEEE_SGE_SIMPLE_UNION;
typedef struct _MPI2_SGE_SIMPLE_UNION {
uint32_t FlagsLength;
union {
uint32_t Address32;
uint64_t Address64;
} u;
} MPI2_SGE_SIMPLE_UNION;
/****************************************************************************
* IEEE SGE field definitions and masks
****************************************************************************/
/* Flags field bit definitions */
#define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK (0x80)
#define MPI2_IEEE32_SGE_FLAGS_SHIFT (24)
#define MPI2_IEEE32_SGE_LENGTH_MASK (0x00FFFFFF)
/* Element Type */
#define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT (0x00)
#define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT (0x80)
/* Data Location Address Space */
#define MPI2_IEEE_SGE_FLAGS_ADDR_MASK (0x03)
#define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR (0x00)
#define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR (0x01)
#define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR (0x02)
#define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03)
/* Address Size */
#define MPI2_SGE_FLAGS_32_BIT_ADDRESSING (0x00)
#define MPI2_SGE_FLAGS_64_BIT_ADDRESSING (0x02)
/*******************/
/* SCSI IO Control bits */
#define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK (0xFC000000)
#define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT (26)
#define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK (0x03000000)
#define MPI2_SCSIIO_CONTROL_NODATATRANSFER (0x00000000)
#define MPI2_SCSIIO_CONTROL_WRITE (0x01000000)
#define MPI2_SCSIIO_CONTROL_READ (0x02000000)
#define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL (0x03000000)
#define MPI2_SCSIIO_CONTROL_TASKPRI_MASK (0x00007800)
#define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT (11)
#define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK (0x00000700)
#define MPI2_SCSIIO_CONTROL_SIMPLEQ (0x00000000)
#define MPI2_SCSIIO_CONTROL_HEADOFQ (0x00000100)
#define MPI2_SCSIIO_CONTROL_ORDEREDQ (0x00000200)
#define MPI2_SCSIIO_CONTROL_ACAQ (0x00000400)
#define MPI2_SCSIIO_CONTROL_TLR_MASK (0x000000C0)
#define MPI2_SCSIIO_CONTROL_NO_TLR (0x00000000)
#define MPI2_SCSIIO_CONTROL_TLR_ON (0x00000040)
#define MPI2_SCSIIO_CONTROL_TLR_OFF (0x00000080)
/*******************/
typedef struct {
uint8_t CDB[20]; /* 0x00 */
uint32_t PrimaryReferenceTag; /* 0x14 */
uint16_t PrimaryApplicationTag; /* 0x18 */
uint16_t PrimaryApplicationTagMask; /* 0x1A */
uint32_t TransferLength; /* 0x1C */
} MPI2_SCSI_IO_CDB_EEDP32;
typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
struct MPI2_IEEE_SGE_SIMPLE32 Chain32;
struct MPI2_IEEE_SGE_SIMPLE64 Chain64;
} MPI2_IEEE_SGE_CHAIN_UNION;
typedef union _MPI2_SIMPLE_SGE_UNION {
MPI2_SGE_SIMPLE_UNION MpiSimple;
MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
} MPI2_SIMPLE_SGE_UNION;
typedef union _MPI2_SGE_IO_UNION {
MPI2_SGE_SIMPLE_UNION MpiSimple;
struct MPI2_SGE_CHAIN_UNION MpiChain;
MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
} MPI2_SGE_IO_UNION;
typedef union {
uint8_t CDB32[32];
MPI2_SCSI_IO_CDB_EEDP32 EEDP32;
MPI2_SGE_SIMPLE_UNION SGE;
} MPI2_SCSI_IO_CDB_UNION;
/* MPI 2.5 SGLs */
#define MPI25_IEEE_SGE_FLAGS_END_OF_LIST (0x40)
typedef struct _MPI25_IEEE_SGE_CHAIN64 {
uint64_t Address;
uint32_t Length;
uint16_t Reserved1;
uint8_t NextChainOffset;
uint8_t Flags;
} MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
/* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
/********/
/*
* RAID SCSI IO Request Message
* Total SGE count will be one less than _MPI2_SCSI_IO_REQUEST
*/
struct mfi_mpi2_request_raid_scsi_io {
uint16_t DevHandle; /* 0x00 */
uint8_t ChainOffset; /* 0x02 */
uint8_t Function; /* 0x03 */
uint16_t Reserved1; /* 0x04 */
uint8_t Reserved2; /* 0x06 */
uint8_t MsgFlags; /* 0x07 */
uint8_t VP_ID; /* 0x08 */
uint8_t VF_ID; /* 0x09 */
uint16_t Reserved3; /* 0x0A */
uint32_t SenseBufferLowAddress; /* 0x0C */
uint16_t SGLFlags; /* 0x10 */
uint8_t SenseBufferLength; /* 0x12 */
uint8_t Reserved4; /* 0x13 */
uint8_t SGLOffset0; /* 0x14 */
uint8_t SGLOffset1; /* 0x15 */
uint8_t SGLOffset2; /* 0x16 */
uint8_t SGLOffset3; /* 0x17 */
uint32_t SkipCount; /* 0x18 */
uint32_t DataLength; /* 0x1C */
uint32_t BidirectionalDataLength; /* 0x20 */
uint16_t IoFlags; /* 0x24 */
uint16_t EEDPFlags; /* 0x26 */
uint32_t EEDPBlockSize; /* 0x28 */
uint32_t SecondaryReferenceTag; /* 0x2C */
uint16_t SecondaryApplicationTag; /* 0x30 */
uint16_t ApplicationTagTranslationMask; /* 0x32 */
uint8_t LUN[8]; /* 0x34 */
uint32_t Control; /* 0x3C */
MPI2_SCSI_IO_CDB_UNION CDB; /* 0x40 */
MPI2_SCSI_IO_VENDOR_UNIQUE RaidContext; /* 0x60 */
MPI2_SGE_IO_UNION SGL; /* 0x80 */
} __packed;
/*
* MPT RAID MFA IO Descriptor.
*/
typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
uint32_t RequestFlags : 8;
uint32_t MessageAddress1 : 24; /* bits 31:8*/
uint32_t MessageAddress2; /* bits 61:32 */
} MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
struct mfi_mpi2_request_header {
uint8_t RequestFlags; /* 0x00 */
uint8_t MSIxIndex; /* 0x01 */
uint16_t SMID; /* 0x02 */
uint16_t LMID; /* 0x04 */
};
/* defines for the RequestFlags field */
#define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK (0x0E)
#define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO (0x00)
#define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET (0x02)
#define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY (0x06)
#define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE (0x08)
#define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR (0x0A)
#define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
struct mfi_mpi2_request_high_priority {
struct mfi_mpi2_request_header header;
uint16_t reserved;
};
struct mfi_mpi2_request_scsi_io {
struct mfi_mpi2_request_header header;
uint16_t scsi_io_dev_handle;
};
struct mfi_mpi2_request_scsi_target {
struct mfi_mpi2_request_header header;
uint16_t scsi_target_io_index;
};
/* Request Descriptors */
union mfi_mpi2_request_descriptor {
struct mfi_mpi2_request_header header;
struct mfi_mpi2_request_high_priority high_priority;
struct mfi_mpi2_request_scsi_io scsi_io;
struct mfi_mpi2_request_scsi_target scsi_target;
uint64_t words;
};
struct mfi_mpi2_reply_header {
uint8_t ReplyFlags; /* 0x00 */
uint8_t MSIxIndex; /* 0x01 */
uint16_t SMID; /* 0x02 */
};
/* defines for the ReplyFlags field */
#define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK (0x0F)
#define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS (0x00)
#define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY (0x01)
#define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS (0x02)
#define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER (0x03)
#define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS (0x05)
#define MPI2_RPY_DESCRIPT_FLAGS_UNUSED (0x0F)
/* values for marking a reply descriptor as unused */
#define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK (0xFFFFFFFF)
#define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK (0xFFFFFFFF)
struct mfi_mpi2_reply_default {
struct mfi_mpi2_reply_header header;
uint32_t DescriptorTypeDependent2;
};
struct mfi_mpi2_reply_address {
struct mfi_mpi2_reply_header header;
uint32_t ReplyFrameAddress;
};
struct mfi_mpi2_reply_scsi_io {
struct mfi_mpi2_reply_header header;
uint16_t TaskTag; /* 0x04 */
uint16_t Reserved1; /* 0x06 */
};
struct mfi_mpi2_reply_target_assist {
struct mfi_mpi2_reply_header header;
uint8_t SequenceNumber; /* 0x04 */
uint8_t Reserved1; /* 0x04 */
uint16_t IoIndex; /* 0x06 */
};
struct mfi_mpi2_reply_target_cmd_buffer {
struct mfi_mpi2_reply_header header;
uint8_t SequenceNumber; /* 0x04 */
uint8_t Flags; /* 0x04 */
uint16_t InitiatorDevHandle; /* 0x06 */
uint16_t IoIndex; /* 0x06 */
};
struct mfi_mpi2_reply_raid_accel {
struct mfi_mpi2_reply_header header;
uint8_t SequenceNumber; /* 0x04 */
uint32_t Reserved; /* 0x04 */
};
/* union of Reply Descriptors */
union mfi_mpi2_reply_descriptor {
struct mfi_mpi2_reply_header header;
struct mfi_mpi2_reply_scsi_io scsi_io;
struct mfi_mpi2_reply_target_assist target_assist;
struct mfi_mpi2_reply_target_cmd_buffer target_cmd;
struct mfi_mpi2_reply_raid_accel raid_accel;
struct mfi_mpi2_reply_default reply_default;
uint64_t words;
};
struct IO_REQUEST_INFO {
uint64_t ldStartBlock;
uint32_t numBlocks;
uint16_t ldTgtId;
uint8_t isRead;
uint16_t devHandle;
uint64_t pdBlock;
uint8_t fpOkForIo;
};
#define MFI_SCSI_MAX_TARGETS 128
#define MFI_SCSI_MAX_LUNS 8
#define MFI_SCSI_INITIATOR_ID 255
#define MFI_SCSI_MAX_CMDS 8
#define MFI_SCSI_MAX_CDB_LEN 16
#endif /* _MFIREG_H */
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