Release 4.7 drivers/scsi/megaraid/megaraid_sas.h
/*
* Linux MegaRAID driver for SAS based RAID controllers
*
* Copyright (c) 2003-2013 LSI Corporation
* Copyright (c) 2013-2014 Avago Technologies
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* FILE: megaraid_sas.h
*
* Authors: Avago Technologies
* Kashyap Desai <kashyap.desai@avagotech.com>
* Sumit Saxena <sumit.saxena@avagotech.com>
*
* Send feedback to: megaraidlinux.pdl@avagotech.com
*
* Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
* San Jose, California 95131
*/
#ifndef LSI_MEGARAID_SAS_H
#define LSI_MEGARAID_SAS_H
/*
* MegaRAID SAS Driver meta data
*/
#define MEGASAS_VERSION "06.811.02.00-rc1"
#define MEGASAS_RELDATE "April 12, 2016"
/*
* Device IDs
*/
#define PCI_DEVICE_ID_LSI_SAS1078R 0x0060
#define PCI_DEVICE_ID_LSI_SAS1078DE 0x007C
#define PCI_DEVICE_ID_LSI_VERDE_ZCR 0x0413
#define PCI_DEVICE_ID_LSI_SAS1078GEN2 0x0078
#define PCI_DEVICE_ID_LSI_SAS0079GEN2 0x0079
#define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073
#define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071
#define PCI_DEVICE_ID_LSI_FUSION 0x005b
#define PCI_DEVICE_ID_LSI_PLASMA 0x002f
#define PCI_DEVICE_ID_LSI_INVADER 0x005d
#define PCI_DEVICE_ID_LSI_FURY 0x005f
#define PCI_DEVICE_ID_LSI_INTRUDER 0x00ce
#define PCI_DEVICE_ID_LSI_INTRUDER_24 0x00cf
#define PCI_DEVICE_ID_LSI_CUTLASS_52 0x0052
#define PCI_DEVICE_ID_LSI_CUTLASS_53 0x0053
/*
* Intel HBA SSDIDs
*/
#define MEGARAID_INTEL_RS3DC080_SSDID 0x9360
#define MEGARAID_INTEL_RS3DC040_SSDID 0x9362
#define MEGARAID_INTEL_RS3SC008_SSDID 0x9380
#define MEGARAID_INTEL_RS3MC044_SSDID 0x9381
#define MEGARAID_INTEL_RS3WC080_SSDID 0x9341
#define MEGARAID_INTEL_RS3WC040_SSDID 0x9343
#define MEGARAID_INTEL_RMS3BC160_SSDID 0x352B
/*
* Intruder HBA SSDIDs
*/
#define MEGARAID_INTRUDER_SSDID1 0x9371
#define MEGARAID_INTRUDER_SSDID2 0x9390
#define MEGARAID_INTRUDER_SSDID3 0x9370
/*
* Intel HBA branding
*/
#define MEGARAID_INTEL_RS3DC080_BRANDING \
"Intel(R) RAID Controller RS3DC080"
#define MEGARAID_INTEL_RS3DC040_BRANDING \
"Intel(R) RAID Controller RS3DC040"
#define MEGARAID_INTEL_RS3SC008_BRANDING \
"Intel(R) RAID Controller RS3SC008"
#define MEGARAID_INTEL_RS3MC044_BRANDING \
"Intel(R) RAID Controller RS3MC044"
#define MEGARAID_INTEL_RS3WC080_BRANDING \
"Intel(R) RAID Controller RS3WC080"
#define MEGARAID_INTEL_RS3WC040_BRANDING \
"Intel(R) RAID Controller RS3WC040"
#define MEGARAID_INTEL_RMS3BC160_BRANDING \
"Intel(R) Integrated RAID Module RMS3BC160"
/*
* =====================================
* MegaRAID SAS MFI firmware definitions
* =====================================
*/
/*
* MFI stands for MegaRAID SAS FW Interface. This is just a moniker for
* protocol between the software and firmware. Commands are issued using
* "message frames"
*/
/*
* FW posts its state in upper 4 bits of outbound_msg_0 register
*/
#define MFI_STATE_MASK 0xF0000000
#define MFI_STATE_UNDEFINED 0x00000000
#define MFI_STATE_BB_INIT 0x10000000
#define MFI_STATE_FW_INIT 0x40000000
#define MFI_STATE_WAIT_HANDSHAKE 0x60000000
#define MFI_STATE_FW_INIT_2 0x70000000
#define MFI_STATE_DEVICE_SCAN 0x80000000
#define MFI_STATE_BOOT_MESSAGE_PENDING 0x90000000
#define MFI_STATE_FLUSH_CACHE 0xA0000000
#define MFI_STATE_READY 0xB0000000
#define MFI_STATE_OPERATIONAL 0xC0000000
#define MFI_STATE_FAULT 0xF0000000
#define MFI_STATE_FORCE_OCR 0x00000080
#define MFI_STATE_DMADONE 0x00000008
#define MFI_STATE_CRASH_DUMP_DONE 0x00000004
#define MFI_RESET_REQUIRED 0x00000001
#define MFI_RESET_ADAPTER 0x00000002
#define MEGAMFI_FRAME_SIZE 64
/*
* During FW init, clear pending cmds & reset state using inbound_msg_0
*
* ABORT : Abort all pending cmds
* READY : Move from OPERATIONAL to READY state; discard queue info
* MFIMODE : Discard (possible) low MFA posted in 64-bit mode (??)
* CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
* HOTPLUG : Resume from Hotplug
* MFI_STOP_ADP : Send signal to FW to stop processing
*/
#define WRITE_SEQUENCE_OFFSET (0x0000000FC)
/* I20 */
#define HOST_DIAGNOSTIC_OFFSET (0x000000F8)
/* I20 */
#define DIAG_WRITE_ENABLE (0x00000080)
#define DIAG_RESET_ADAPTER (0x00000004)
#define MFI_ADP_RESET 0x00000040
#define MFI_INIT_ABORT 0x00000001
#define MFI_INIT_READY 0x00000002
#define MFI_INIT_MFIMODE 0x00000004
#define MFI_INIT_CLEAR_HANDSHAKE 0x00000008
#define MFI_INIT_HOTPLUG 0x00000010
#define MFI_STOP_ADP 0x00000020
#define MFI_RESET_FLAGS MFI_INIT_READY| \
MFI_INIT_MFIMODE| \
MFI_INIT_ABORT
#define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE (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 0x0020
/* Driver internal */
#define DRV_DCMD_POLLED_MODE 0x1
#define DRV_DCMD_SKIP_REFIRE 0x2
/*
* Definition for cmd_status
*/
#define MFI_CMD_STATUS_POLL_MODE 0xFF
/*
* MFI command opcodes
*/
#define MFI_CMD_INIT 0x00
#define MFI_CMD_LD_READ 0x01
#define MFI_CMD_LD_WRITE 0x02
#define MFI_CMD_LD_SCSI_IO 0x03
#define MFI_CMD_PD_SCSI_IO 0x04
#define MFI_CMD_DCMD 0x05
#define MFI_CMD_ABORT 0x06
#define MFI_CMD_SMP 0x07
#define MFI_CMD_STP 0x08
#define MFI_CMD_INVALID 0xff
#define MR_DCMD_CTRL_GET_INFO 0x01010000
#define MR_DCMD_LD_GET_LIST 0x03010000
#define MR_DCMD_LD_LIST_QUERY 0x03010100
#define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000
#define MR_FLUSH_CTRL_CACHE 0x01
#define MR_FLUSH_DISK_CACHE 0x02
#define MR_DCMD_CTRL_SHUTDOWN 0x01050000
#define MR_DCMD_HIBERNATE_SHUTDOWN 0x01060000
#define MR_ENABLE_DRIVE_SPINDOWN 0x01
#define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100
#define MR_DCMD_CTRL_EVENT_GET 0x01040300
#define MR_DCMD_CTRL_EVENT_WAIT 0x01040500
#define MR_DCMD_LD_GET_PROPERTIES 0x03030000
#define MR_DCMD_CLUSTER 0x08000000
#define MR_DCMD_CLUSTER_RESET_ALL 0x08010100
#define MR_DCMD_CLUSTER_RESET_LD 0x08010200
#define MR_DCMD_PD_LIST_QUERY 0x02010100
#define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS 0x01190100
#define MR_DRIVER_SET_APP_CRASHDUMP_MODE (0xF0010000 | 0x0600)
#define MR_DCMD_PD_GET_INFO 0x02020000
/*
* Global functions
*/
extern u8 MR_ValidateMapInfo(struct megasas_instance *instance);
/*
* MFI command completion codes
*/
enum MFI_STAT {
MFI_STAT_OK = 0x00,
MFI_STAT_INVALID_CMD = 0x01,
MFI_STAT_INVALID_DCMD = 0x02,
MFI_STAT_INVALID_PARAMETER = 0x03,
MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
MFI_STAT_APP_IN_USE = 0x07,
MFI_STAT_APP_NOT_INITIALIZED = 0x08,
MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
MFI_STAT_FLASH_BUSY = 0x0f,
MFI_STAT_FLASH_ERROR = 0x10,
MFI_STAT_FLASH_IMAGE_BAD = 0x11,
MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
MFI_STAT_FLASH_NOT_OPEN = 0x13,
MFI_STAT_FLASH_NOT_STARTED = 0x14,
MFI_STAT_FLUSH_FAILED = 0x15,
MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
MFI_STAT_MFC_HW_ERROR = 0x21,
MFI_STAT_NO_HW_PRESENT = 0x22,
MFI_STAT_NOT_FOUND = 0x23,
MFI_STAT_NOT_IN_ENCL = 0x24,
MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
MFI_STAT_PD_TYPE_WRONG = 0x26,
MFI_STAT_PR_DISABLED = 0x27,
MFI_STAT_ROW_INDEX_INVALID = 0x28,
MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
MFI_STAT_SCSI_IO_FAILED = 0x2e,
MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
MFI_STAT_SHUTDOWN_FAILED = 0x30,
MFI_STAT_TIME_NOT_SET = 0x31,
MFI_STAT_WRONG_STATE = 0x32,
MFI_STAT_LD_OFFLINE = 0x33,
MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
MFI_STAT_INVALID_STATUS = 0xFF
};
enum mfi_evt_class {
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
};
/*
* Crash dump related defines
*/
#define MAX_CRASH_DUMP_SIZE 512
#define CRASH_DMA_BUF_SIZE (1024 * 1024)
enum MR_FW_CRASH_DUMP_STATE {
UNAVAILABLE = 0,
AVAILABLE = 1,
COPYING = 2,
COPIED = 3,
COPY_ERROR = 4,
};
enum _MR_CRASH_BUF_STATUS {
MR_CRASH_BUF_TURN_OFF = 0,
MR_CRASH_BUF_TURN_ON = 1,
};
/*
* Number of mailbox bytes in DCMD message frame
*/
#define MFI_MBOX_SIZE 12
enum MR_EVT_CLASS {
MR_EVT_CLASS_DEBUG = -2,
MR_EVT_CLASS_PROGRESS = -1,
MR_EVT_CLASS_INFO = 0,
MR_EVT_CLASS_WARNING = 1,
MR_EVT_CLASS_CRITICAL = 2,
MR_EVT_CLASS_FATAL = 3,
MR_EVT_CLASS_DEAD = 4,
};
enum MR_EVT_LOCALE {
MR_EVT_LOCALE_LD = 0x0001,
MR_EVT_LOCALE_PD = 0x0002,
MR_EVT_LOCALE_ENCL = 0x0004,
MR_EVT_LOCALE_BBU = 0x0008,
MR_EVT_LOCALE_SAS = 0x0010,
MR_EVT_LOCALE_CTRL = 0x0020,
MR_EVT_LOCALE_CONFIG = 0x0040,
MR_EVT_LOCALE_CLUSTER = 0x0080,
MR_EVT_LOCALE_ALL = 0xffff,
};
enum MR_EVT_ARGS {
MR_EVT_ARGS_NONE,
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,
MR_EVT_ARGS_LD_PROP,
MR_EVT_ARGS_PD_SPARE,
MR_EVT_ARGS_PD_INDEX,
MR_EVT_ARGS_DIAG_PASS,
MR_EVT_ARGS_DIAG_FAIL,
MR_EVT_ARGS_PD_LBA_LBA,
MR_EVT_ARGS_PORT_PHY,
MR_EVT_ARGS_PD_MISSING,
MR_EVT_ARGS_PD_ADDRESS,
MR_EVT_ARGS_BITMAP,
MR_EVT_ARGS_CONNECTOR,
MR_EVT_ARGS_PD_PD,
MR_EVT_ARGS_PD_FRU,
MR_EVT_ARGS_PD_PATHINFO,
MR_EVT_ARGS_PD_POWER_STATE,
MR_EVT_ARGS_GENERIC,
};
#define SGE_BUFFER_SIZE 4096
#define MEGASAS_CLUSTER_ID_SIZE 16
/*
* define constants for device list query options
*/
enum MR_PD_QUERY_TYPE {
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,
};
enum MR_LD_QUERY_TYPE {
MR_LD_QUERY_TYPE_ALL = 0,
MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
MR_LD_QUERY_TYPE_USED_TGT_IDS = 2,
MR_LD_QUERY_TYPE_CLUSTER_ACCESS = 3,
MR_LD_QUERY_TYPE_CLUSTER_LOCALE = 4,
};
#define MR_EVT_CFG_CLEARED 0x0004
#define MR_EVT_LD_STATE_CHANGE 0x0051
#define MR_EVT_PD_INSERTED 0x005b
#define MR_EVT_PD_REMOVED 0x0070
#define MR_EVT_LD_CREATED 0x008a
#define MR_EVT_LD_DELETED 0x008b
#define MR_EVT_FOREIGN_CFG_IMPORTED 0x00db
#define MR_EVT_LD_OFFLINE 0x00fc
#define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152
#define MR_EVT_CTRL_PROP_CHANGED 0x012f
enum MR_PD_STATE {
MR_PD_STATE_UNCONFIGURED_GOOD = 0x00,
MR_PD_STATE_UNCONFIGURED_BAD = 0x01,
MR_PD_STATE_HOT_SPARE = 0x02,
MR_PD_STATE_OFFLINE = 0x10,
MR_PD_STATE_FAILED = 0x11,
MR_PD_STATE_REBUILD = 0x14,
MR_PD_STATE_ONLINE = 0x18,
MR_PD_STATE_COPYBACK = 0x20,
MR_PD_STATE_SYSTEM = 0x40,
};
union MR_PD_REF {
struct {
u16 deviceId;
u16 seqNum;
}
mrPdRef;
u32 ref;
};
/*
* define the DDF Type bit structure
*/
union MR_PD_DDF_TYPE {
struct {
union {
struct {
#ifndef __BIG_ENDIAN_BITFIELD
u16 forcedPDGUID:1;
u16 inVD:1;
u16 isGlobalSpare:1;
u16 isSpare:1;
u16 isForeign:1;
u16 reserved:7;
u16 intf:4;
#else
u16 intf:4;
u16 reserved:7;
u16 isForeign:1;
u16 isSpare:1;
u16 isGlobalSpare:1;
u16 inVD:1;
u16 forcedPDGUID:1;
#endif
}
pdType;
u16 type;
};
u16 reserved;
}
ddf;
struct {
u32 reserved;
}
nonDisk;
u32 type;
}
__packed;
/*
* defines the progress structure
*/
union MR_PROGRESS {
struct {
u16 progress;
union {
u16 elapsedSecs;
u16 elapsedSecsForLastPercent;
};
}
mrProgress;
u32 w;
}
__packed;
/*
* defines the physical drive progress structure
*/
struct MR_PD_PROGRESS {
struct {
#ifndef MFI_BIG_ENDIAN
u32 rbld:1;
u32 patrol:1;
u32 clear:1;
u32 copyBack:1;
u32 erase:1;
u32 locate:1;
u32 reserved:26;
#else
u32 reserved:26;
u32 locate:1;
u32 erase:1;
u32 copyBack:1;
u32 clear:1;
u32 patrol:1;
u32 rbld:1;
#endif
}
active;
union MR_PROGRESS rbld;
union MR_PROGRESS patrol;
union {
union MR_PROGRESS clear;
union MR_PROGRESS erase;
};
struct {
#ifndef MFI_BIG_ENDIAN
u32 rbld:1;
u32 patrol:1;
u32 clear:1;
u32 copyBack:1;
u32 erase:1;
u32 reserved:27;
#else
u32 reserved:27;
u32 erase:1;
u32 copyBack:1;
u32 clear:1;
u32 patrol:1;
u32 rbld:1;
#endif
}
pause;
union MR_PROGRESS reserved[3];
}
__packed;
struct MR_PD_INFO {
union MR_PD_REF ref;
u8 inquiryData[96];
u8 vpdPage83[64];
u8 notSupported;
u8 scsiDevType;
union {
u8 connectedPortBitmap;
u8 connectedPortNumbers;
};
u8 deviceSpeed;
u32 mediaErrCount;
u32 otherErrCount;
u32 predFailCount;
u32 lastPredFailEventSeqNum;
u16 fwState;
u8 disabledForRemoval;
u8 linkSpeed;
union MR_PD_DDF_TYPE state;
struct {
u8 count;
#ifndef __BIG_ENDIAN_BITFIELD
u8 isPathBroken:4;
u8 reserved3:3;
u8 widePortCapable:1;
#else
u8 widePortCapable:1;
u8 reserved3:3;
u8 isPathBroken:4;
#endif
u8 connectorIndex[2];
u8 reserved[4];
u64 sasAddr[2];
u8 reserved2[16];
}
pathInfo;
u64 rawSize;
u64 nonCoercedSize;
u64 coercedSize;
u16 enclDeviceId;
u8 enclIndex;
union {
u8 slotNumber;
u8 enclConnectorIndex;
};
struct MR_PD_PROGRESS progInfo;
u8 badBlockTableFull;
u8 unusableInCurrentConfig;
u8 vpdPage83Ext[64];
u8 powerState;
u8 enclPosition;
u32 allowedOps;
u16 copyBackPartnerId;
u16 enclPartnerDeviceId;
struct {
#ifndef __BIG_ENDIAN_BITFIELD
u16 fdeCapable:1;
u16 fdeEnabled:1;
u16 secured:1;
u16 locked:1;
u16 foreign:1;
u16 needsEKM:1;
u16 reserved:10;
#else
u16 reserved:10;
u16 needsEKM:1;
u16 foreign:1;
u16 locked:1;
u16 secured:1;
u16 fdeEnabled:1;
u16 fdeCapable:1;
#endif
}
security;
u8 mediaType;
u8 notCertified;
u8 bridgeVendor[8];
u8 bridgeProductIdentification[16];
u8 bridgeProductRevisionLevel[4];
u8 satBridgeExists;
u8 interfaceType;
u8 temperature;
u8 emulatedBlockSize;
u16 userDataBlockSize;
u16 reserved2;
struct {
#ifndef __BIG_ENDIAN_BITFIELD
u32 piType:3;
u32 piFormatted:1;
u32 piEligible:1;
u32 NCQ:1;
u32 WCE:1;
u32 commissionedSpare:1;
u32 emergencySpare:1;
u32 ineligibleForSSCD:1;
u32 ineligibleForLd:1;
u32 useSSEraseType:1;
u32 wceUnchanged:1;
u32 supportScsiUnmap:1;
u32 reserved:18;
#else
u32 reserved:18;
u32 supportScsiUnmap:1;
u32 wceUnchanged:1;
u32 useSSEraseType:1;
u32 ineligibleForLd:1;
u32 ineligibleForSSCD:1;
u32 emergencySpare:1;
u32 commissionedSpare:1;
u32 WCE:1;
u32 NCQ:1;
u32 piEligible:1;
u32 piFormatted:1;
u32 piType:3;
#endif
}
properties;
u64 shieldDiagCompletionTime;
u8 shieldCounter;
u8 linkSpeedOther;
u8 reserved4[2];
struct {
#ifndef __BIG_ENDIAN_BITFIELD
u32 bbmErrCountSupported:1;
u32 bbmErrCount:31;
#else
u32 bbmErrCount:31;
u32 bbmErrCountSupported:1;
#endif
}
bbmErr;
u8 reserved1[512-428];
}
__packed;
/*
* defines the physical drive address structure
*/
struct MR_PD_ADDRESS {
__le16 deviceId;
u16 enclDeviceId;
union {
struct {
u8 enclIndex;
u8 slotNumber;
}
mrPdAddress;
struct {
u8 enclPosition;
u8 enclConnectorIndex;
}
mrEnclAddress;
};
u8 scsiDevType;
union {
u8 connectedPortBitmap;
u8 connectedPortNumbers;
};
u64 sasAddr[2];
}
__packed;
/*
* defines the physical drive list structure
*/
struct MR_PD_LIST {
__le32 size;
__le32 count;
struct MR_PD_ADDRESS addr[1];
}
__packed;
struct megasas_pd_list {
u16 tid;
u8 driveType;
u8 driveState;
u8 interface;
}
__packed;
/*
* defines the logical drive reference structure
*/
union MR_LD_REF {
struct {
u8 targetId;
u8 reserved;
__le16 seqNum;
};
__le32 ref;
}
__packed;
/*
* defines the logical drive list structure
*/
struct MR_LD_LIST {
__le32 ldCount;
__le32 reserved;
struct {
union MR_LD_REF ref;
u8 state;
u8 reserved[3];
__le64 size;
}
ldList[MAX_LOGICAL_DRIVES_EXT];
}
__packed;
struct MR_LD_TARGETID_LIST {
__le32 size;
__le32 count;
u8 pad[3];
u8 targetId[MAX_LOGICAL_DRIVES_EXT];
};
/*
* SAS controller properties
*/
struct megasas_ctrl_prop {
u16 seq_num;
u16 pred_fail_poll_interval;
u16 intr_throttle_count;
u16 intr_throttle_timeouts;
u8 rebuild_rate;
u8 patrol_read_rate;
u8 bgi_rate;
u8 cc_rate;
u8 recon_rate;
u8 cache_flush_interval;
u8 spinup_drv_count;
u8 spinup_delay;
u8 cluster_enable;
u8 coercion_mode;
u8 alarm_enable;
u8 disable_auto_rebuild;
u8 disable_battery_warn;
u8 ecc_bucket_size;
u16 ecc_bucket_leak_rate;
u8 restore_hotspare_on_insertion;
u8 expose_encl_devices;
u8 maintainPdFailHistory;
u8 disallowHostRequestReordering;
u8 abortCCOnError;
u8 loadBalanceMode;
u8 disableAutoDetectBackplane;
u8 snapVDSpace;
/*
* Add properties that can be controlled by
* a bit in the following structure.
*/
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
u32 reserved:18;
u32 enableJBOD:1;
u32 disableSpinDownHS:1;
u32 allowBootWithPinnedCache:1;
u32 disableOnlineCtrlReset:1;
u32 enableSecretKeyControl:1;
u32 autoEnhancedImport:1;
u32 enableSpinDownUnconfigured:1;
u32 SSDPatrolReadEnabled:1;
u32 SSDSMARTerEnabled:1;
u32 disableNCQ:1;
u32 useFdeOnly:1;
u32 prCorrectUnconfiguredAreas:1;
u32 SMARTerEnabled:1;
u32 copyBackDisabled:1;
#else
u32 copyBackDisabled:1;
u32 SMARTerEnabled:1;
u32 prCorrectUnconfiguredAreas:1;
u32 useFdeOnly:1;
u32 disableNCQ:1;
u32 SSDSMARTerEnabled:1;
u32 SSDPatrolReadEnabled:1;
u32 enableSpinDownUnconfigured:1;
u32 autoEnhancedImport:1;
u32 enableSecretKeyControl:1;
u32 disableOnlineCtrlReset:1;
u32 allowBootWithPinnedCache:1;
u32 disableSpinDownHS:1;
u32 enableJBOD:1;
u32 reserved:18;
#endif
}
OnOffProperties;
u8 autoSnapVDSpace;
u8 viewSpace;
__le16 spinDownTime;
u8 reserved[24];
}
__packed;
/*
* SAS controller information
*/
struct megasas_ctrl_info {
/*
* PCI device information
*/
struct {
__le16 vendor_id;
__le16 device_id;
__le16 sub_vendor_id;
__le16 sub_device_id;
u8 reserved[24];
}
__attribute__ ((packed)) pci;
/*
* Host interface information
*/
struct {
u8 PCIX:1;
u8 PCIE:1;
u8 iSCSI:1;
u8 SAS_3G:1;
u8 SRIOV:1;
u8 reserved_0:3;
u8 reserved_1[6];
u8 port_count;
u64 port_addr[8];
}
__attribute__ ((packed)) host_interface;
/*
* Device (backend) interface information
*/
struct {
u8 SPI:1;
u8 SAS_3G:1;
u8 SATA_1_5G:1;
u8 SATA_3G:1;
u8 reserved_0:4;
u8 reserved_1[6];
u8 port_count;
u64 port_addr[8];
}
__attribute__ ((packed)) device_interface;
/*
* List of components residing in flash. All str are null terminated
*/
__le32 image_check_word;
__le32 image_component_count;
struct {
char name[8];
char version[32];
char build_date[16];
char built_time[16];
}
__attribute__ ((packed)) image_component[8];
/*
* List of flash components that have been flashed on the card, but
* are not in use, pending reset of the adapter. This list will be
* empty if a flash operation has not occurred. All stings are null
* terminated
*/
__le32 pending_image_component_count;
struct {
char name[8];
char version[32];
char build_date[16];
char build_time[16];
}
__attribute__ ((packed)) pending_image_component[8];
u8 max_arms;
u8 max_spans;
u8 max_arrays;
u8 max_lds;
char product_name[80];
char serial_no[32];
/*
* Other physical/controller/operation information. Indicates the
* presence of the hardware
*/
struct {
u32 bbu:1;
u32 alarm:1;
u32 nvram:1;
u32 uart:1;
u32 reserved:28;
}
__attribute__ ((packed)) hw_present;
__le32 current_fw_time;
/*
* Maximum data transfer sizes
*/
__le16 max_concurrent_cmds;
__le16 max_sge_count;
__le32 max_request_size;
/*
* Logical and physical device counts
*/
__le16 ld_present_count;
__le16 ld_degraded_count;
__le16 ld_offline_count;
__le16 pd_present_count;
__le16 pd_disk_present_count;
__le16 pd_disk_pred_failure_count;
__le16 pd_disk_failed_count;
/*
* Memory size information
*/
__le16 nvram_size;
__le16 memory_size;
__le16 flash_size;
/*
* Error counters
*/
__le16 mem_correctable_error_count;
__le16 mem_uncorrectable_error_count;
/*
* Cluster information
*/
u8 cluster_permitted;
u8 cluster_active;
/*
* Additional max data transfer sizes
*/
__le16 max_strips_per_io;
/*
* Controller capabilities structures
*/
struct {
u32 raid_level_0:1;
u32 raid_level_1:1;
u32 raid_level_5:1;
u32 raid_level_1E:1;
u32 raid_level_6:1;
u32 reserved:27;
}
__attribute__ ((packed)) raid_levels;
struct {
u32 rbld_rate:1;
u32 cc_rate:1;
u32 bgi_rate:1;
u32 recon_rate:1;
u32 patrol_rate:1;
u32 alarm_control:1;
u32 cluster_supported:1;
u32 bbu:1;
u32 spanning_allowed:1;
u32 dedicated_hotspares:1;
u32 revertible_hotspares:1;
u32 foreign_config_import:1;
u32 self_diagnostic:1;
u32 mixed_redundancy_arr:1;
u32 global_hot_spares:1;
u32 reserved:17;
}
__attribute__ ((packed)) adapter_operations;
struct {
u32 read_policy:1;
u32 write_policy:1;
u32 io_policy:1;
u32 access_policy:1;
u32 disk_cache_policy:1;
u32 reserved:27;
}
__attribute__ ((packed)) ld_operations;
struct {
u8 min;
u8 max;
u8 reserved[2];
}
__attribute__ ((packed)) stripe_sz_ops;
struct {
u32 force_online:1;
u32 force_offline:1;
u32 force_rebuild:1;
u32 reserved:29;
}
__attribute__ ((packed)) pd_operations;
struct {
u32 ctrl_supports_sas:1;
u32 ctrl_supports_sata:1;
u32 allow_mix_in_encl:1;
u32 allow_mix_in_ld:1;
u32 allow_sata_in_cluster:1;
u32 reserved:27;
}
__attribute__ ((packed)) pd_mix_support;
/*
* Define ECC single-bit-error bucket information
*/
u8 ecc_bucket_count;
u8 reserved_2[11];
/*
* Include the controller properties (changeable items)
*/
struct megasas_ctrl_prop properties;
/*
* Define FW pkg version (set in envt v'bles on OEM basis)
*/
char package_version[0x60];
/*
* If adapterOperations.supportMoreThan8Phys is set,
* and deviceInterface.portCount is greater than 8,
* SAS Addrs for first 8 ports shall be populated in
* deviceInterface.portAddr, and the rest shall be
* populated in deviceInterfacePortAddr2.
*/
__le64 deviceInterfacePortAddr2[8]; /*6a0h */
u8 reserved3[128]; /*6e0h */
struct { /*760h */
u16 minPdRaidLevel_0:4;
u16 maxPdRaidLevel_0:12;
u16 minPdRaidLevel_1:4;
u16 maxPdRaidLevel_1:12;
u16 minPdRaidLevel_5:4;
u16 maxPdRaidLevel_5:12;
u16 minPdRaidLevel_1E:4;
u16 maxPdRaidLevel_1E:12;
u16 minPdRaidLevel_6:4;
u16 maxPdRaidLevel_6:12;
u16 minPdRaidLevel_10:4;
u16 maxPdRaidLevel_10:12;
u16 minPdRaidLevel_50:4;
u16 maxPdRaidLevel_50:12;
u16 minPdRaidLevel_60:4;
u16 maxPdRaidLevel_60:12;
u16 minPdRaidLevel_1E_RLQ0:4;
u16 maxPdRaidLevel_1E_RLQ0:12;
u16 minPdRaidLevel_1E0_RLQ0:4;
u16 maxPdRaidLevel_1E0_RLQ0:12;
u16 reserved[6];
}
pdsForRaidLevels;
__le16 maxPds; /*780h */
__le16 maxDedHSPs; /*782h */
__le16 maxGlobalHSP; /*784h */
__le16 ddfSize; /*786h */
u8 maxLdsPerArray; /*788h */
u8 partitionsInDDF; /*789h */
u8 lockKeyBinding; /*78ah */
u8 maxPITsPerLd; /*78bh */
u8 maxViewsPerLd; /*78ch */
u8 maxTargetId; /*78dh */
__le16 maxBvlVdSize; /*78eh */
__le16 maxConfigurableSSCSize; /*790h */
__le16 currentSSCsize; /*792h */
char expanderFwVersion[12]; /*794h */
__le16 PFKTrialTimeRemaining; /*7A0h */
__le16 cacheMemorySize; /*7A2h */
struct { /*7A4h */
#if defined(__BIG_ENDIAN_BITFIELD)
u32 reserved:5;
u32 activePassive:2;
u32 supportConfigAutoBalance:1;
u32 mpio:1;
u32 supportDataLDonSSCArray:1;
u32 supportPointInTimeProgress:1;
u32 supportUnevenSpans:1;
u32 dedicatedHotSparesLimited:1;
u32 headlessMode:1;
u32 supportEmulatedDrives:1;
u32 supportResetNow:1;
u32 realTimeScheduler:1;
u32 supportSSDPatrolRead:1;
u32 supportPerfTuning:1;
u32 disableOnlinePFKChange:1;
u32 supportJBOD:1;
u32 supportBootTimePFKChange:1;
u32 supportSetLinkSpeed:1;
u32 supportEmergencySpares:1;
u32 supportSuspendResumeBGops:1;
u32 blockSSDWriteCacheChange:1;
u32 supportShieldState:1;
u32 supportLdBBMInfo:1;
u32 supportLdPIType3:1;
u32 supportLdPIType2:1;
u32 supportLdPIType1:1;
u32 supportPIcontroller:1;
#else
u32 supportPIcontroller:1;
u32 supportLdPIType1:1;
u32 supportLdPIType2:1;
u32 supportLdPIType3:1;
u32 supportLdBBMInfo:1;
u32 supportShieldState:1;
u32 blockSSDWriteCacheChange:1;
u32 supportSuspendResumeBGops:1;
u32 supportEmergencySpares:1;
u32 supportSetLinkSpeed:1;
u32 supportBootTimePFKChange:1;
u32 supportJBOD:1;
u32 disableOnlinePFKChange:1;
u32 supportPerfTuning:1;
u32 supportSSDPatrolRead:1;
u32 realTimeScheduler:1;
u32 supportResetNow:1;
u32 supportEmulatedDrives:1;
u32 headlessMode:1;
u32 dedicatedHotSparesLimited:1;
u32 supportUnevenSpans:1;
u32 supportPointInTimeProgress:1;
u32 supportDataLDonSSCArray:1;
u32 mpio:1;
u32 supportConfigAutoBalance:1;
u32 activePassive:2;
u32 reserved:5;
#endif
}
adapterOperations2;
u8 driverVersion[32]; /*7A8h */
u8 maxDAPdCountSpinup60; /*7C8h */
u8 temperatureROC; /*7C9h */
u8 temperatureCtrl; /*7CAh */
u8 reserved4; /*7CBh */
__le16 maxConfigurablePds; /*7CCh */
u8 reserved5[2]; /*0x7CDh */
/*
* HA cluster information
*/
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
u32 reserved:25;
u32 passive:1;
u32 premiumFeatureMismatch:1;
u32 ctrlPropIncompatible:1;
u32 fwVersionMismatch:1;
u32 hwIncompatible:1;
u32 peerIsIncompatible:1;
u32 peerIsPresent:1;
#else
u32 peerIsPresent:1;
u32 peerIsIncompatible:1;
u32 hwIncompatible:1;
u32 fwVersionMismatch:1;
u32 ctrlPropIncompatible:1;
u32 premiumFeatureMismatch:1;
u32 passive:1;
u32 reserved:25;
#endif
}
cluster;
char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */
struct {
u8 maxVFsSupported; /*0x7E4*/
u8 numVFsEnabled; /*0x7E5*/
u8 requestorId; /*0x7E6 0:PF, 1:VF1, 2:VF2*/
u8 reserved; /*0x7E7*/
}
iov;
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
u32 reserved:7;
u32 useSeqNumJbodFP:1;
u32 supportExtendedSSCSize:1;
u32 supportDiskCacheSettingForSysPDs:1;
u32 supportCPLDUpdate:1;
u32 supportTTYLogCompression:1;
u32 discardCacheDuringLDDelete:1;
u32 supportSecurityonJBOD:1;
u32 supportCacheBypassModes:1;
u32 supportDisableSESMonitoring:1;
u32 supportForceFlash:1;
u32 supportNVDRAM:1;
u32 supportDrvActivityLEDSetting:1;
u32 supportAllowedOpsforDrvRemoval:1;
u32 supportHOQRebuild:1;
u32 supportForceTo512e:1;
u32 supportNVCacheErase:1;
u32 supportDebugQueue:1;
u32 supportSwZone:1;
u32 supportCrashDump:1;
u32 supportMaxExtLDs:1;
u32 supportT10RebuildAssist:1;
u32 supportDisableImmediateIO:1;
u32 supportThermalPollInterval:1;
u32 supportPersonalityChange:2;
#else
u32 supportPersonalityChange:2;
u32 supportThermalPollInterval:1;
u32 supportDisableImmediateIO:1;
u32 supportT10RebuildAssist:1;
u32 supportMaxExtLDs:1;
u32 supportCrashDump:1;
u32 supportSwZone:1;
u32 supportDebugQueue:1;
u32 supportNVCacheErase:1;
u32 supportForceTo512e:1;
u32 supportHOQRebuild:1;
u32 supportAllowedOpsforDrvRemoval:1;
u32 supportDrvActivityLEDSetting:1;
u32 supportNVDRAM:1;
u32 supportForceFlash:1;
u32 supportDisableSESMonitoring:1;
u32 supportCacheBypassModes:1;
u32 supportSecurityonJBOD:1;
u32 discardCacheDuringLDDelete:1;
u32 supportTTYLogCompression:1;
u32 supportCPLDUpdate:1;
u32 supportDiskCacheSettingForSysPDs:1;
u32 supportExtendedSSCSize:1;
u32 useSeqNumJbodFP:1;
u32 reserved:7;
#endif
}
adapterOperations3;
u8 pad[0x800-0x7EC];
}
__packed;
/*
* ===============================
* MegaRAID SAS driver definitions
* ===============================
*/
#define MEGASAS_MAX_PD_CHANNELS 2
#define MEGASAS_MAX_LD_CHANNELS 2
#define MEGASAS_MAX_CHANNELS (MEGASAS_MAX_PD_CHANNELS + \
MEGASAS_MAX_LD_CHANNELS)
#define MEGASAS_MAX_DEV_PER_CHANNEL 128
#define MEGASAS_DEFAULT_INIT_ID -1
#define MEGASAS_MAX_LUN 8
#define MEGASAS_DEFAULT_CMD_PER_LUN 256
#define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \
MEGASAS_MAX_DEV_PER_CHANNEL)
#define MEGASAS_MAX_LD_IDS (MEGASAS_MAX_LD_CHANNELS * \
MEGASAS_MAX_DEV_PER_CHANNEL)
#define MEGASAS_MAX_SECTORS (2*1024)
#define MEGASAS_MAX_SECTORS_IEEE (2*128)
#define MEGASAS_DBG_LVL 1
#define MEGASAS_FW_BUSY 1
#define VD_EXT_DEBUG 0
#define SCAN_PD_CHANNEL 0x1
#define SCAN_VD_CHANNEL 0x2
#define MEGASAS_KDUMP_QUEUE_DEPTH 100
enum MR_SCSI_CMD_TYPE {
READ_WRITE_LDIO = 0,
NON_READ_WRITE_LDIO = 1,
READ_WRITE_SYSPDIO = 2,
NON_READ_WRITE_SYSPDIO = 3,
};
enum DCMD_TIMEOUT_ACTION {
INITIATE_OCR = 0,
KILL_ADAPTER = 1,
IGNORE_TIMEOUT = 2,
};
enum FW_BOOT_CONTEXT {
PROBE_CONTEXT = 0,
OCR_CONTEXT = 1,
};
/* Frame Type */
#define IO_FRAME 0
#define PTHRU_FRAME 1
/*
* When SCSI mid-layer calls driver's reset routine, driver waits for
* MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
* that the driver cannot _actually_ abort or reset pending commands. While
* it is waiting for the commands to complete, it prints a diagnostic message
* every MEGASAS_RESET_NOTICE_INTERVAL seconds
*/
#define MEGASAS_RESET_WAIT_TIME 180
#define MEGASAS_INTERNAL_CMD_WAIT_TIME 180
#define MEGASAS_RESET_NOTICE_INTERVAL 5
#define MEGASAS_IOCTL_CMD 0
#define MEGASAS_DEFAULT_CMD_TIMEOUT 90
#define MEGASAS_THROTTLE_QUEUE_DEPTH 16
#define MEGASAS_BLOCKED_CMD_TIMEOUT 60
/*
* FW reports the maximum of number of commands that it can accept (maximum
* commands that can be outstanding) at any time. The driver must report a
* lower number to the mid layer because it can issue a few internal commands
* itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
* is shown below
*/
#define MEGASAS_INT_CMDS 32
#define MEGASAS_SKINNY_INT_CMDS 5
#define MEGASAS_FUSION_INTERNAL_CMDS 5
#define MEGASAS_FUSION_IOCTL_CMDS 3
#define MEGASAS_MFI_IOCTL_CMDS 27
#define MEGASAS_MAX_MSIX_QUEUES 128
/*
* FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
* SGLs based on the size of dma_addr_t
*/
#define IS_DMA64 (sizeof(dma_addr_t) == 8)
#define MFI_XSCALE_OMR0_CHANGE_INTERRUPT 0x00000001
#define MFI_INTR_FLAG_REPLY_MESSAGE 0x00000001
#define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE 0x00000002
#define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT 0x00000004
#define MFI_OB_INTR_STATUS_MASK 0x00000002
#define MFI_POLL_TIMEOUT_SECS 60
#define MFI_IO_TIMEOUT_SECS 180
#define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF (5 * HZ)
#define MEGASAS_OCR_SETTLE_TIME_VF (1000 * 30)
#define MEGASAS_ROUTINE_WAIT_TIME_VF 300
#define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
#define MFI_REPLY_GEN2_MESSAGE_INTERRUPT 0x00000001
#define MFI_GEN2_ENABLE_INTERRUPT_MASK (0x00000001 | 0x00000004)
#define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT 0x40000000
#define MFI_SKINNY_ENABLE_INTERRUPT_MASK (0x00000001)
#define MFI_1068_PCSR_OFFSET 0x84
#define MFI_1068_FW_HANDSHAKE_OFFSET 0x64
#define MFI_1068_FW_READY 0xDDDD0000
#define MR_MAX_REPLY_QUEUES_OFFSET 0X0000001F
#define MR_MAX_REPLY_QUEUES_EXT_OFFSET 0X003FC000
#define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT 14
#define MR_MAX_MSIX_REG_ARRAY 16
#define MR_RDPQ_MODE_OFFSET 0X00800000
/*
* register set for both 1068 and 1078 controllers
* structure extended for 1078 registers
*/
struct megasas_register_set {
u32 doorbell; /*0000h*/
u32 fusion_seq_offset; /*0004h*/
u32 fusion_host_diag; /*0008h*/
u32 reserved_01; /*000Ch*/
u32 inbound_msg_0; /*0010h*/
u32 inbound_msg_1; /*0014h*/
u32 outbound_msg_0; /*0018h*/
u32 outbound_msg_1; /*001Ch*/
u32 inbound_doorbell; /*0020h*/
u32 inbound_intr_status; /*0024h*/
u32 inbound_intr_mask; /*0028h*/
u32 outbound_doorbell; /*002Ch*/
u32 outbound_intr_status; /*0030h*/
u32 outbound_intr_mask; /*0034h*/
u32 reserved_1[2]; /*0038h*/
u32 inbound_queue_port; /*0040h*/
u32 outbound_queue_port; /*0044h*/
u32 reserved_2[9]; /*0048h*/
u32 reply_post_host_index; /*006Ch*/
u32 reserved_2_2[12]; /*0070h*/
u32 outbound_doorbell_clear; /*00A0h*/
u32 reserved_3[3]; /*00A4h*/
u32 outbound_scratch_pad ; /*00B0h*/
u32 outbound_scratch_pad_2; /*00B4h*/
u32 outbound_scratch_pad_3; /*00B8h*/
u32 reserved_4; /*00BCh*/
u32 inbound_low_queue_port ; /*00C0h*/
u32 inbound_high_queue_port ; /*00C4h*/
u32 reserved_5; /*00C8h*/
u32 res_6[11]; /*CCh*/
u32 host_diag;
u32 seq_offset;
u32 index_registers[807]; /*00CCh*/
} __attribute__ ((packed));
struct megasas_sge32 {
__le32 phys_addr;
__le32 length;
} __attribute__ ((packed));
struct megasas_sge64 {
__le64 phys_addr;
__le32 length;
} __attribute__ ((packed));
struct megasas_sge_skinny {
__le64 phys_addr;
__le32 length;
__le32 flag;
}
__packed;
union megasas_sgl {
struct megasas_sge32 sge32[1];
struct megasas_sge64 sge64[1];
struct megasas_sge_skinny sge_skinny[1];
} __attribute__ ((packed));
struct megasas_header {
u8 cmd; /*00h */
u8 sense_len; /*01h */
u8 cmd_status; /*02h */
u8 scsi_status; /*03h */
u8 target_id; /*04h */
u8 lun; /*05h */
u8 cdb_len; /*06h */
u8 sge_count; /*07h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 timeout; /*12h */
__le32 data_xferlen; /*14h */
} __attribute__ ((packed));
union megasas_sgl_frame {
struct megasas_sge32 sge32[8];
struct megasas_sge64 sge64[5];
} __attribute__ ((packed));
typedef union _MFI_CAPABILITIES {
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
u32 reserved:20;
u32 support_qd_throttling:1;
u32 support_fp_rlbypass:1;
u32 support_vfid_in_ioframe:1;
u32 support_ext_io_size:1;
u32 support_ext_queue_depth:1;
u32 security_protocol_cmds_fw:1;
u32 support_core_affinity:1;
u32 support_ndrive_r1_lb:1;
u32 support_max_255lds:1;
u32 support_fastpath_wb:1;
u32 support_additional_msix:1;
u32 support_fp_remote_lun:1;
#else
u32 support_fp_remote_lun:1;
u32 support_additional_msix:1;
u32 support_fastpath_wb:1;
u32 support_max_255lds:1;
u32 support_ndrive_r1_lb:1;
u32 support_core_affinity:1;
u32 security_protocol_cmds_fw:1;
u32 support_ext_queue_depth:1;
u32 support_ext_io_size:1;
u32 support_vfid_in_ioframe:1;
u32 support_fp_rlbypass:1;
u32 support_qd_throttling:1;
u32 reserved:20;
#endif
}
mfi_capabilities;
__le32 reg;
}
MFI_CAPABILITIES;
struct megasas_init_frame {
u8 cmd; /*00h */
u8 reserved_0; /*01h */
u8 cmd_status; /*02h */
u8 reserved_1; /*03h */
MFI_CAPABILITIES driver_operations; /*04h*/
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 reserved_3; /*12h */
__le32 data_xfer_len; /*14h */
__le32 queue_info_new_phys_addr_lo; /*18h */
__le32 queue_info_new_phys_addr_hi; /*1Ch */
__le32 queue_info_old_phys_addr_lo; /*20h */
__le32 queue_info_old_phys_addr_hi; /*24h */
__le32 reserved_4[2]; /*28h */
__le32 system_info_lo; /*30h */
__le32 system_info_hi; /*34h */
__le32 reserved_5[2]; /*38h */
} __attribute__ ((packed));
struct megasas_init_queue_info {
__le32 init_flags; /*00h */
__le32 reply_queue_entries; /*04h */
__le32 reply_queue_start_phys_addr_lo; /*08h */
__le32 reply_queue_start_phys_addr_hi; /*0Ch */
__le32 producer_index_phys_addr_lo; /*10h */
__le32 producer_index_phys_addr_hi; /*14h */
__le32 consumer_index_phys_addr_lo; /*18h */
__le32 consumer_index_phys_addr_hi; /*1Ch */
} __attribute__ ((packed));
struct megasas_io_frame {
u8 cmd; /*00h */
u8 sense_len; /*01h */
u8 cmd_status; /*02h */
u8 scsi_status; /*03h */
u8 target_id; /*04h */
u8 access_byte; /*05h */
u8 reserved_0; /*06h */
u8 sge_count; /*07h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 timeout; /*12h */
__le32 lba_count; /*14h */
__le32 sense_buf_phys_addr_lo; /*18h */
__le32 sense_buf_phys_addr_hi; /*1Ch */
__le32 start_lba_lo; /*20h */
__le32 start_lba_hi; /*24h */
union megasas_sgl sgl; /*28h */
} __attribute__ ((packed));
struct megasas_pthru_frame {
u8 cmd; /*00h */
u8 sense_len; /*01h */
u8 cmd_status; /*02h */
u8 scsi_status; /*03h */
u8 target_id; /*04h */
u8 lun; /*05h */
u8 cdb_len; /*06h */
u8 sge_count; /*07h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 timeout; /*12h */
__le32 data_xfer_len; /*14h */
__le32 sense_buf_phys_addr_lo; /*18h */
__le32 sense_buf_phys_addr_hi; /*1Ch */
u8 cdb[16]; /*20h */
union megasas_sgl sgl; /*30h */
} __attribute__ ((packed));
struct megasas_dcmd_frame {
u8 cmd; /*00h */
u8 reserved_0; /*01h */
u8 cmd_status; /*02h */
u8 reserved_1[4]; /*03h */
u8 sge_count; /*07h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 timeout; /*12h */
__le32 data_xfer_len; /*14h */
__le32 opcode; /*18h */
union { /*1Ch */
u8 b[12];
__le16 s[6];
__le32 w[3];
}
mbox;
union megasas_sgl sgl; /*28h */
} __attribute__ ((packed));
struct megasas_abort_frame {
u8 cmd; /*00h */
u8 reserved_0; /*01h */
u8 cmd_status; /*02h */
u8 reserved_1; /*03h */
__le32 reserved_2; /*04h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 reserved_3; /*12h */
__le32 reserved_4; /*14h */
__le32 abort_context; /*18h */
__le32 pad_1; /*1Ch */
__le32 abort_mfi_phys_addr_lo; /*20h */
__le32 abort_mfi_phys_addr_hi; /*24h */
__le32 reserved_5[6]; /*28h */
} __attribute__ ((packed));
struct megasas_smp_frame {
u8 cmd; /*00h */
u8 reserved_1; /*01h */
u8 cmd_status; /*02h */
u8 connection_status; /*03h */
u8 reserved_2[3]; /*04h */
u8 sge_count; /*07h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 timeout; /*12h */
__le32 data_xfer_len; /*14h */
__le64 sas_addr; /*18h */
union {
struct megasas_sge32 sge32[2]; /* [0]: resp [1]: req */
struct megasas_sge64 sge64[2]; /* [0]: resp [1]: req */
}
sgl;
} __attribute__ ((packed));
struct megasas_stp_frame {
u8 cmd; /*00h */
u8 reserved_1; /*01h */
u8 cmd_status; /*02h */
u8 reserved_2; /*03h */
u8 target_id; /*04h */
u8 reserved_3[2]; /*05h */
u8 sge_count; /*07h */
__le32 context; /*08h */
__le32 pad_0; /*0Ch */
__le16 flags; /*10h */
__le16 timeout; /*12h */
__le32 data_xfer_len; /*14h */
__le16 fis[10]; /*18h */
__le32 stp_flags;
union {
struct megasas_sge32 sge32[2]; /* [0]: resp [1]: data */
struct megasas_sge64 sge64[2]; /* [0]: resp [1]: data */
}
sgl;
} __attribute__ ((packed));
union megasas_frame {
struct megasas_header hdr;
struct megasas_init_frame init;
struct megasas_io_frame io;
struct megasas_pthru_frame pthru;
struct megasas_dcmd_frame dcmd;
struct megasas_abort_frame abort;
struct megasas_smp_frame smp;
struct megasas_stp_frame stp;
u8 raw_bytes[64];
};
/**
* struct MR_PRIV_DEVICE - sdev private hostdata
* @is_tm_capable: firmware managed tm_capable flag
* @tm_busy: TM request is in progress
*/
struct MR_PRIV_DEVICE {
bool is_tm_capable;
bool tm_busy;
};
struct megasas_cmd;
union megasas_evt_class_locale {
struct {
#ifndef __BIG_ENDIAN_BITFIELD
u16 locale;
u8 reserved;
s8 class;
#else
s8 class;
u8 reserved;
u16 locale;
#endif
}
__attribute__ ((packed)) members;
u32 word;
} __attribute__ ((packed));
struct megasas_evt_log_info {
__le32 newest_seq_num;
__le32 oldest_seq_num;
__le32 clear_seq_num;
__le32 shutdown_seq_num;
__le32 boot_seq_num;
} __attribute__ ((packed));
struct megasas_progress {
__le16 progress;
__le16 elapsed_seconds;
} __attribute__ ((packed));
struct megasas_evtarg_ld {
u16 target_id;
u8 ld_index;
u8 reserved;
} __attribute__ ((packed));
struct megasas_evtarg_pd {
u16 device_id;
u8 encl_index;
u8 slot_number;
} __attribute__ ((packed));
struct megasas_evt_detail {
__le32 seq_num;
__le32 time_stamp;
__le32 code;
union megasas_evt_class_locale cl;
u8 arg_type;
u8 reserved1[15];
union {
struct {
struct megasas_evtarg_pd pd;
u8 cdb_length;
u8 sense_length;
u8 reserved[2];
u8 cdb[16];
u8 sense[64];
}
__attribute__ ((packed)) cdbSense;
struct megasas_evtarg_ld ld;
struct {
struct megasas_evtarg_ld ld;
__le64 count;
}
__attribute__ ((packed)) ld_count;
struct {
__le64 lba;
struct megasas_evtarg_ld ld;
}
__attribute__ ((packed)) ld_lba;
struct {
struct megasas_evtarg_ld ld;
__le32 prevOwner;
__le32 newOwner;
}
__attribute__ ((packed)) ld_owner;
struct {
u64 ld_lba;
u64 pd_lba;
struct megasas_evtarg_ld ld;
struct megasas_evtarg_pd pd;
}
__attribute__ ((packed)) ld_lba_pd_lba;
struct {
struct megasas_evtarg_ld ld;
struct megasas_progress prog;
}
__attribute__ ((packed)) ld_prog;
struct {
struct megasas_evtarg_ld ld;
u32 prev_state;
u32 new_state;
}
__attribute__ ((packed)) ld_state;
struct {
u64 strip;
struct megasas_evtarg_ld ld;
}
__attribute__ ((packed)) ld_strip;
struct megasas_evtarg_pd pd;
struct {
struct megasas_evtarg_pd pd;
u32 err;
}
__attribute__ ((packed)) pd_err;
struct {
u64 lba;
struct megasas_evtarg_pd pd;
}
__attribute__ ((packed)) pd_lba;
struct {
u64 lba;
struct megasas_evtarg_pd pd;
struct megasas_evtarg_ld ld;
}
__attribute__ ((packed)) pd_lba_ld;
struct {
struct megasas_evtarg_pd pd;
struct megasas_progress prog;
}
__attribute__ ((packed)) pd_prog;
struct {
struct megasas_evtarg_pd pd;
u32 prevState;
u32 newState;
}
__attribute__ ((packed)) pd_state;
struct {
u16 vendorId;
__le16 deviceId;
u16 subVendorId;
u16 subDeviceId;
}
__attribute__ ((packed)) pci;
u32 rate;
char str[96];
struct {
u32 rtc;
u32 elapsedSeconds;
}
__attribute__ ((packed)) time;
struct {
u32 ecar;
u32 elog;
char str[64];
}
__attribute__ ((packed)) ecc;
u8 b[96];
__le16 s[48];
__le32 w[24];
__le64 d[12];
}
args;
char description[128];
} __attribute__ ((packed));
struct megasas_aen_event {
struct delayed_work hotplug_work;
struct megasas_instance *instance;
};
struct megasas_irq_context {
struct megasas_instance *instance;
u32 MSIxIndex;
};
struct MR_DRV_SYSTEM_INFO {
u8 infoVersion;
u8 systemIdLength;
u16 reserved0;
u8 systemId[64];
u8 reserved[1980];
};
enum MR_PD_TYPE {
UNKNOWN_DRIVE = 0,
PARALLEL_SCSI = 1,
SAS_PD = 2,
SATA_PD = 3,
FC_PD = 4,
};
/* JBOD Queue depth definitions */
#define MEGASAS_SATA_QD 32
#define MEGASAS_SAS_QD 64
#define MEGASAS_DEFAULT_PD_QD 64
struct megasas_instance {
__le32 *producer;
dma_addr_t producer_h;
__le32 *consumer;
dma_addr_t consumer_h;
struct MR_DRV_SYSTEM_INFO *system_info_buf;
dma_addr_t system_info_h;
struct MR_LD_VF_AFFILIATION *vf_affiliation;
dma_addr_t vf_affiliation_h;
struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
dma_addr_t vf_affiliation_111_h;
struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
dma_addr_t hb_host_mem_h;
struct MR_PD_INFO *pd_info;
dma_addr_t pd_info_h;
__le32 *reply_queue;
dma_addr_t reply_queue_h;
u32 *crash_dump_buf;
dma_addr_t crash_dump_h;
void *crash_buf[MAX_CRASH_DUMP_SIZE];
u32 crash_buf_pages;
unsigned int fw_crash_buffer_size;
unsigned int fw_crash_state;
unsigned int fw_crash_buffer_offset;
u32 drv_buf_index;
u32 drv_buf_alloc;
u32 crash_dump_fw_support;
u32 crash_dump_drv_support;
u32 crash_dump_app_support;
u32 secure_jbod_support;
bool use_seqnum_jbod_fp; /* Added for PD sequence */
spinlock_t crashdump_lock;
struct megasas_register_set __iomem *reg_set;
u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
struct megasas_pd_list pd_list[MEGASAS_MAX_PD];
struct megasas_pd_list local_pd_list[MEGASAS_MAX_PD];
u8 ld_ids[MEGASAS_MAX_LD_IDS];
s8 init_id;
u16 max_num_sge;
u16 max_fw_cmds;
u16 max_mfi_cmds;
u16 max_scsi_cmds;
u16 ldio_threshold;
u16 cur_can_queue;
u32 max_sectors_per_req;
struct megasas_aen_event *ev;
struct megasas_cmd **cmd_list;
struct list_head cmd_pool;
/* used to sync fire the cmd to fw */
spinlock_t mfi_pool_lock;
/* used to sync fire the cmd to fw */
spinlock_t hba_lock;
/* used to synch producer, consumer ptrs in dpc */
spinlock_t completion_lock;
struct dma_pool *frame_dma_pool;
struct dma_pool *sense_dma_pool;
struct megasas_evt_detail *evt_detail;
dma_addr_t evt_detail_h;
struct megasas_cmd *aen_cmd;
struct mutex hba_mutex;
struct semaphore ioctl_sem;
struct Scsi_Host *host;
wait_queue_head_t int_cmd_wait_q;
wait_queue_head_t abort_cmd_wait_q;
struct pci_dev *pdev;
u32 unique_id;
u32 fw_support_ieee;
atomic_t fw_outstanding;
atomic_t ldio_outstanding;
atomic_t fw_reset_no_pci_access;
struct megasas_instance_template *instancet;
struct tasklet_struct isr_tasklet;
struct work_struct work_init;
struct work_struct crash_init;
u8 flag;
u8 unload;
u8 flag_ieee;
u8 issuepend_done;
u8 disableOnlineCtrlReset;
u8 UnevenSpanSupport;
u8 supportmax256vd;
u8 pd_list_not_supported;
u16 fw_supported_vd_count;
u16 fw_supported_pd_count;
u16 drv_supported_vd_count;
u16 drv_supported_pd_count;
atomic_t adprecovery;
unsigned long last_time;
u32 mfiStatus;
u32 last_seq_num;
struct list_head internal_reset_pending_q;
/* Ptr to hba specific information */
void *ctrl_context;
u32 ctrl_context_pages;
struct megasas_ctrl_info *ctrl_info;
unsigned int msix_vectors;
struct msix_entry msixentry[MEGASAS_MAX_MSIX_QUEUES];
struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
u64 map_id;
u64 pd_seq_map_id;
struct megasas_cmd *map_update_cmd;
struct megasas_cmd *jbod_seq_cmd;
unsigned long bar;
long reset_flags;
struct mutex reset_mutex;
struct timer_list sriov_heartbeat_timer;
char skip_heartbeat_timer_del;
u8 requestorId;
char PlasmaFW111;
char clusterId[MEGASAS_CLUSTER_ID_SIZE];
u8 peerIsPresent;
u8 passive;
u16 throttlequeuedepth;
u8 mask_interrupts;
u16 max_chain_frame_sz;
u8 is_imr;
u8 is_rdpq;
bool dev_handle;
};
struct MR_LD_VF_MAP {
u32 size;
union MR_LD_REF ref;
u8 ldVfCount;
u8 reserved[6];
u8 policy[1];
};
struct MR_LD_VF_AFFILIATION {
u32 size;
u8 ldCount;
u8 vfCount;
u8 thisVf;
u8 reserved[9];
struct MR_LD_VF_MAP map[1];
};
/* Plasma 1.11 FW backward compatibility structures */
#define IOV_111_OFFSET 0x7CE
#define MAX_VIRTUAL_FUNCTIONS 8
#define MR_LD_ACCESS_HIDDEN 15
struct IOV_111 {
u8 maxVFsSupported;
u8 numVFsEnabled;
u8 requestorId;
u8 reserved[5];
};
struct MR_LD_VF_MAP_111 {
u8 targetId;
u8 reserved[3];
u8 policy[MAX_VIRTUAL_FUNCTIONS];
};
struct MR_LD_VF_AFFILIATION_111 {
u8 vdCount;
u8 vfCount;
u8 thisVf;
u8 reserved[5];
struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
};
struct MR_CTRL_HB_HOST_MEM {
struct {
u32 fwCounter; /* Firmware heart beat counter */
struct {
u32 debugmode:1; /* 1=Firmware is in debug mode.
Heart beat will not be updated. */
u32 reserved:31;
}
debug;
u32 reserved_fw[6];
u32 driverCounter; /* Driver heart beat counter. 0x20 */
u32 reserved_driver[7];
}
HB;
u8 pad[0x400-0x40];
};
enum {
MEGASAS_HBA_OPERATIONAL = 0,
MEGASAS_ADPRESET_SM_INFAULT = 1,
MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS = 2,
MEGASAS_ADPRESET_SM_OPERATIONAL = 3,
MEGASAS_HW_CRITICAL_ERROR = 4,
MEGASAS_ADPRESET_SM_POLLING = 5,
MEGASAS_ADPRESET_INPROG_SIGN = 0xDEADDEAD,
};
struct megasas_instance_template {
void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
u32, struct megasas_register_set __iomem *);
void (*enable_intr)(struct megasas_instance *);
void (*disable_intr)(struct megasas_instance *);
int (*clear_intr)(struct megasas_register_set __iomem *);
u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
int (*adp_reset)(struct megasas_instance *, \
struct megasas_register_set __iomem *);
int (*check_reset)(struct megasas_instance *, \
struct megasas_register_set __iomem *);
irqreturn_t (*service_isr)(int irq, void *devp);
void (*tasklet)(unsigned long);
u32 (*init_adapter)(struct megasas_instance *);
u32 (*build_and_issue_cmd) (struct megasas_instance *,
struct scsi_cmnd *);
int (*issue_dcmd)(struct megasas_instance *instance,
struct megasas_cmd *cmd);
};
#define MEGASAS_IS_LOGICAL(scp) \
(scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
#define MEGASAS_DEV_INDEX(scp) \
(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \
scp->device->id)
#define MEGASAS_PD_INDEX(scp) \
((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + \
scp->device->id)
struct megasas_cmd {
union megasas_frame *frame;
dma_addr_t frame_phys_addr;
u8 *sense;
dma_addr_t sense_phys_addr;
u32 index;
u8 sync_cmd;
u8 cmd_status_drv;
u8 abort_aen;
u8 retry_for_fw_reset;
struct list_head list;
struct scsi_cmnd *scmd;
u8 flags;
struct megasas_instance *instance;
union {
struct {
u16 smid;
u16 resvd;
}
context;
u32 frame_count;
};
};
#define MAX_MGMT_ADAPTERS 1024
#define MAX_IOCTL_SGE 16
struct megasas_iocpacket {
u16 host_no;
u16 __pad1;
u32 sgl_off;
u32 sge_count;
u32 sense_off;
u32 sense_len;
union {
u8 raw[128];
struct megasas_header hdr;
}
frame;
struct iovec sgl[MAX_IOCTL_SGE];
} __attribute__ ((packed));
struct megasas_aen {
u16 host_no;
u16 __pad1;
u32 seq_num;
u32 class_locale_word;
} __attribute__ ((packed));
#ifdef CONFIG_COMPAT
struct compat_megasas_iocpacket {
u16 host_no;
u16 __pad1;
u32 sgl_off;
u32 sge_count;
u32 sense_off;
u32 sense_len;
union {
u8 raw[128];
struct megasas_header hdr;
}
frame;
struct compat_iovec sgl[MAX_IOCTL_SGE];
} __attribute__ ((packed));
#define MEGASAS_IOC_FIRMWARE32 _IOWR('M', 1, struct compat_megasas_iocpacket)
#endif
#define MEGASAS_IOC_FIRMWARE _IOWR('M', 1, struct megasas_iocpacket)
#define MEGASAS_IOC_GET_AEN _IOW('M', 3, struct megasas_aen)
struct megasas_mgmt_info {
u16 count;
struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
int max_index;
};
enum MEGASAS_OCR_CAUSE {
FW_FAULT_OCR = 0,
SCSIIO_TIMEOUT_OCR = 1,
MFI_IO_TIMEOUT_OCR = 2,
};
enum DCMD_RETURN_STATUS {
DCMD_SUCCESS = 0,
DCMD_TIMEOUT = 1,
DCMD_FAILED = 2,
DCMD_NOT_FIRED = 3,
};
u8
MR_BuildRaidContext(struct megasas_instance *instance,
struct IO_REQUEST_INFO *io_info,
struct RAID_CONTEXT *pRAID_Context,
struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
u8 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
__le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
__le16 get_updated_dev_handle(struct megasas_instance *instance,
struct LD_LOAD_BALANCE_INFO *lbInfo, struct IO_REQUEST_INFO *in_info);
void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
struct LD_LOAD_BALANCE_INFO *lbInfo);
int megasas_get_ctrl_info(struct megasas_instance *instance);
/* PD sequence */
int
megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
int megasas_set_crash_dump_params(struct megasas_instance *instance,
u8 crash_buf_state);
void megasas_free_host_crash_buffer(struct megasas_instance *instance);
void megasas_fusion_crash_dump_wq(struct work_struct *work);
void megasas_return_cmd_fusion(struct megasas_instance *instance,
struct megasas_cmd_fusion *cmd);
int megasas_issue_blocked_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd, int timeout);
void __megasas_return_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd);
void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
int megasas_cmd_type(struct scsi_cmnd *cmd);
void megasas_setup_jbod_map(struct megasas_instance *instance);
void megasas_update_sdev_properties(struct scsi_device *sdev);
int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
#endif /*LSI_MEGARAID_SAS_H */
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