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linux-next/drivers/scsi/hpsa_cmd.h
Stephen M. Cameron 67955ba36e hpsa: fix handling of hpsa_volume_offline return value 
Make return value an int instead of an unsigned char so that
we do not lose negative error return values.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Webb Scales <webb.scales@hp.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02 09:55:02 +02:00

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/*
* Disk Array driver for HP Smart Array SAS controllers
* Copyright 2000, 2014 Hewlett-Packard Development Company, L.P.
*
* 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; version 2 of the License.
*
* 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, GOOD TITLE or
* NON INFRINGEMENT. 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Questions/Comments/Bugfixes to iss_storagedev@hp.com
*
*/
#ifndef HPSA_CMD_H
#define HPSA_CMD_H
/* general boundary defintions */
#define SENSEINFOBYTES 32 /* may vary between hbas */
#define SG_ENTRIES_IN_CMD 32 /* Max SG entries excluding chain blocks */
#define HPSA_SG_CHAIN 0x80000000
#define HPSA_SG_LAST 0x40000000
#define MAXREPLYQS 256
/* Command Status value */
#define CMD_SUCCESS 0x0000
#define CMD_TARGET_STATUS 0x0001
#define CMD_DATA_UNDERRUN 0x0002
#define CMD_DATA_OVERRUN 0x0003
#define CMD_INVALID 0x0004
#define CMD_PROTOCOL_ERR 0x0005
#define CMD_HARDWARE_ERR 0x0006
#define CMD_CONNECTION_LOST 0x0007
#define CMD_ABORTED 0x0008
#define CMD_ABORT_FAILED 0x0009
#define CMD_UNSOLICITED_ABORT 0x000A
#define CMD_TIMEOUT 0x000B
#define CMD_UNABORTABLE 0x000C
#define CMD_IOACCEL_DISABLED 0x000E
/* Unit Attentions ASC's as defined for the MSA2012sa */
#define POWER_OR_RESET 0x29
#define STATE_CHANGED 0x2a
#define UNIT_ATTENTION_CLEARED 0x2f
#define LUN_FAILED 0x3e
#define REPORT_LUNS_CHANGED 0x3f
/* Unit Attentions ASCQ's as defined for the MSA2012sa */
/* These ASCQ's defined for ASC = POWER_OR_RESET */
#define POWER_ON_RESET 0x00
#define POWER_ON_REBOOT 0x01
#define SCSI_BUS_RESET 0x02
#define MSA_TARGET_RESET 0x03
#define CONTROLLER_FAILOVER 0x04
#define TRANSCEIVER_SE 0x05
#define TRANSCEIVER_LVD 0x06
/* These ASCQ's defined for ASC = STATE_CHANGED */
#define RESERVATION_PREEMPTED 0x03
#define ASYM_ACCESS_CHANGED 0x06
#define LUN_CAPACITY_CHANGED 0x09
/* transfer direction */
#define XFER_NONE 0x00
#define XFER_WRITE 0x01
#define XFER_READ 0x02
#define XFER_RSVD 0x03
/* task attribute */
#define ATTR_UNTAGGED 0x00
#define ATTR_SIMPLE 0x04
#define ATTR_HEADOFQUEUE 0x05
#define ATTR_ORDERED 0x06
#define ATTR_ACA 0x07
/* cdb type */
#define TYPE_CMD 0x00
#define TYPE_MSG 0x01
#define TYPE_IOACCEL2_CMD 0x81 /* 0x81 is not used by hardware */
/* Message Types */
#define HPSA_TASK_MANAGEMENT 0x00
#define HPSA_RESET 0x01
#define HPSA_SCAN 0x02
#define HPSA_NOOP 0x03
#define HPSA_CTLR_RESET_TYPE 0x00
#define HPSA_BUS_RESET_TYPE 0x01
#define HPSA_TARGET_RESET_TYPE 0x03
#define HPSA_LUN_RESET_TYPE 0x04
#define HPSA_NEXUS_RESET_TYPE 0x05
/* Task Management Functions */
#define HPSA_TMF_ABORT_TASK 0x00
#define HPSA_TMF_ABORT_TASK_SET 0x01
#define HPSA_TMF_CLEAR_ACA 0x02
#define HPSA_TMF_CLEAR_TASK_SET 0x03
#define HPSA_TMF_QUERY_TASK 0x04
#define HPSA_TMF_QUERY_TASK_SET 0x05
#define HPSA_TMF_QUERY_ASYNCEVENT 0x06
/* config space register offsets */
#define CFG_VENDORID 0x00
#define CFG_DEVICEID 0x02
#define CFG_I2OBAR 0x10
#define CFG_MEM1BAR 0x14
/* i2o space register offsets */
#define I2O_IBDB_SET 0x20
#define I2O_IBDB_CLEAR 0x70
#define I2O_INT_STATUS 0x30
#define I2O_INT_MASK 0x34
#define I2O_IBPOST_Q 0x40
#define I2O_OBPOST_Q 0x44
#define I2O_DMA1_CFG 0x214
/* Configuration Table */
#define CFGTBL_ChangeReq 0x00000001l
#define CFGTBL_AccCmds 0x00000001l
#define DOORBELL_CTLR_RESET 0x00000004l
#define DOORBELL_CTLR_RESET2 0x00000020l
#define DOORBELL_CLEAR_EVENTS 0x00000040l
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_Trans_Performant 0x00000004l
#define CFGTBL_Trans_io_accel1 0x00000080l
#define CFGTBL_Trans_io_accel2 0x00000100l
#define CFGTBL_Trans_use_short_tags 0x20000000l
#define CFGTBL_Trans_enable_directed_msix (1 << 30)
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l
#define CFGTBL_BusType_Fibre1G 0x00000100l
#define CFGTBL_BusType_Fibre2G 0x00000200l
/* VPD Inquiry types */
#define HPSA_VPD_SUPPORTED_PAGES 0x00
#define HPSA_VPD_LV_DEVICE_GEOMETRY 0xC1
#define HPSA_VPD_LV_IOACCEL_STATUS 0xC2
#define HPSA_VPD_LV_STATUS 0xC3
#define HPSA_VPD_HEADER_SZ 4
/* Logical volume states */
#define HPSA_VPD_LV_STATUS_UNSUPPORTED 0xff
#define HPSA_LV_OK 0x0
#define HPSA_LV_UNDERGOING_ERASE 0x0F
#define HPSA_LV_UNDERGOING_RPI 0x12
#define HPSA_LV_PENDING_RPI 0x13
#define HPSA_LV_ENCRYPTED_NO_KEY 0x14
#define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER 0x15
#define HPSA_LV_UNDERGOING_ENCRYPTION 0x16
#define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING 0x17
#define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER 0x18
#define HPSA_LV_PENDING_ENCRYPTION 0x19
#define HPSA_LV_PENDING_ENCRYPTION_REKEYING 0x1A
struct vals32 {
u32 lower;
u32 upper;
};
union u64bit {
struct vals32 val32;
u64 val;
};
/* FIXME this is a per controller value (barf!) */
#define HPSA_MAX_LUN 1024
#define HPSA_MAX_PHYS_LUN 1024
#define MAX_EXT_TARGETS 32
#define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \
MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */
/* SCSI-3 Commands */
#pragma pack(1)
#define HPSA_INQUIRY 0x12
struct InquiryData {
u8 data_byte[36];
};
#define HPSA_REPORT_LOG 0xc2 /* Report Logical LUNs */
#define HPSA_REPORT_PHYS 0xc3 /* Report Physical LUNs */
#define HPSA_REPORT_PHYS_EXTENDED 0x02
#define HPSA_CISS_READ 0xc0 /* CISS Read */
#define HPSA_GET_RAID_MAP 0xc8 /* CISS Get RAID Layout Map */
#define RAID_MAP_MAX_ENTRIES 256
struct raid_map_disk_data {
u32 ioaccel_handle; /**< Handle to access this disk via the
* I/O accelerator */
u8 xor_mult[2]; /**< XOR multipliers for this position,
* valid for data disks only */
u8 reserved[2];
};
struct raid_map_data {
u32 structure_size; /* Size of entire structure in bytes */
u32 volume_blk_size; /* bytes / block in the volume */
u64 volume_blk_cnt; /* logical blocks on the volume */
u8 phys_blk_shift; /* Shift factor to convert between
* units of logical blocks and physical
* disk blocks */
u8 parity_rotation_shift; /* Shift factor to convert between units
* of logical stripes and physical
* stripes */
u16 strip_size; /* blocks used on each disk / stripe */
u64 disk_starting_blk; /* First disk block used in volume */
u64 disk_blk_cnt; /* disk blocks used by volume / disk */
u16 data_disks_per_row; /* data disk entries / row in the map */
u16 metadata_disks_per_row; /* mirror/parity disk entries / row
* in the map */
u16 row_cnt; /* rows in each layout map */
u16 layout_map_count; /* layout maps (1 map per mirror/parity
* group) */
u16 flags; /* Bit 0 set if encryption enabled */
#define RAID_MAP_FLAG_ENCRYPT_ON 0x01
u16 dekindex; /* Data encryption key index. */
u8 reserved[16];
struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
};
struct ReportLUNdata {
u8 LUNListLength[4];
u8 extended_response_flag;
u8 reserved[3];
u8 LUN[HPSA_MAX_LUN][8];
};
struct ext_report_lun_entry {
u8 lunid[8];
u8 wwid[8];
u8 device_type;
u8 device_flags;
u8 lun_count; /* multi-lun device, how many luns */
u8 redundant_paths;
u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
};
struct ReportExtendedLUNdata {
u8 LUNListLength[4];
u8 extended_response_flag;
u8 reserved[3];
struct ext_report_lun_entry LUN[HPSA_MAX_LUN];
};
struct SenseSubsystem_info {
u8 reserved[36];
u8 portname[8];
u8 reserved1[1108];
};
/* BMIC commands */
#define BMIC_READ 0x26
#define BMIC_WRITE 0x27
#define BMIC_CACHE_FLUSH 0xc2
#define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */
#define BMIC_FLASH_FIRMWARE 0xF7
#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
/* Command List Structure */
union SCSI3Addr {
struct {
u8 Dev;
u8 Bus:6;
u8 Mode:2; /* b00 */
} PeripDev;
struct {
u8 DevLSB;
u8 DevMSB:6;
u8 Mode:2; /* b01 */
} LogDev;
struct {
u8 Dev:5;
u8 Bus:3;
u8 Targ:6;
u8 Mode:2; /* b10 */
} LogUnit;
};
struct PhysDevAddr {
u32 TargetId:24;
u32 Bus:6;
u32 Mode:2;
/* 2 level target device addr */
union SCSI3Addr Target[2];
};
struct LogDevAddr {
u32 VolId:30;
u32 Mode:2;
u8 reserved[4];
};
union LUNAddr {
u8 LunAddrBytes[8];
union SCSI3Addr SCSI3Lun[4];
struct PhysDevAddr PhysDev;
struct LogDevAddr LogDev;
};
struct CommandListHeader {
u8 ReplyQueue;
u8 SGList;
u16 SGTotal;
struct vals32 Tag;
union LUNAddr LUN;
};
struct RequestBlock {
u8 CDBLen;
struct {
u8 Type:3;
u8 Attribute:3;
u8 Direction:2;
} Type;
u16 Timeout;
u8 CDB[16];
};
struct ErrDescriptor {
struct vals32 Addr;
u32 Len;
};
struct SGDescriptor {
struct vals32 Addr;
u32 Len;
u32 Ext;
};
union MoreErrInfo {
struct {
u8 Reserved[3];
u8 Type;
u32 ErrorInfo;
} Common_Info;
struct {
u8 Reserved[2];
u8 offense_size; /* size of offending entry */
u8 offense_num; /* byte # of offense 0-base */
u32 offense_value;
} Invalid_Cmd;
};
struct ErrorInfo {
u8 ScsiStatus;
u8 SenseLen;
u16 CommandStatus;
u32 ResidualCnt;
union MoreErrInfo MoreErrInfo;
u8 SenseInfo[SENSEINFOBYTES];
};
/* Command types */
#define CMD_IOCTL_PEND 0x01
#define CMD_SCSI 0x03
#define CMD_IOACCEL1 0x04
#define CMD_IOACCEL2 0x05
#define DIRECT_LOOKUP_SHIFT 5
#define DIRECT_LOOKUP_BIT 0x10
#define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
#define HPSA_ERROR_BIT 0x02
struct ctlr_info; /* defined in hpsa.h */
/* The size of this structure needs to be divisible by 32
* on all architectures because low 5 bits of the addresses
* are used as follows:
*
* bit 0: to device, used to indicate "performant mode" command
* from device, indidcates error status.
* bit 1-3: to device, indicates block fetch table entry for
* reducing DMA in fetching commands from host memory.
* bit 4: used to indicate whether tag is "direct lookup" (index),
* or a bus address.
*/
#define COMMANDLIST_ALIGNMENT 128
struct CommandList {
struct CommandListHeader Header;
struct RequestBlock Request;
struct ErrDescriptor ErrDesc;
struct SGDescriptor SG[SG_ENTRIES_IN_CMD];
/* information associated with the command */
u32 busaddr; /* physical addr of this record */
struct ErrorInfo *err_info; /* pointer to the allocated mem */
struct ctlr_info *h;
int cmd_type;
long cmdindex;
struct list_head list;
struct completion *waiting;
void *scsi_cmd;
} __aligned(COMMANDLIST_ALIGNMENT);
/* Max S/G elements in I/O accelerator command */
#define IOACCEL1_MAXSGENTRIES 24
#define IOACCEL2_MAXSGENTRIES 28
/*
* Structure for I/O accelerator (mode 1) commands.
* Note that this structure must be 128-byte aligned in size.
*/
#define IOACCEL1_COMMANDLIST_ALIGNMENT 128
struct io_accel1_cmd {
u16 dev_handle; /* 0x00 - 0x01 */
u8 reserved1; /* 0x02 */
u8 function; /* 0x03 */
u8 reserved2[8]; /* 0x04 - 0x0B */
u32 err_info; /* 0x0C - 0x0F */
u8 reserved3[2]; /* 0x10 - 0x11 */
u8 err_info_len; /* 0x12 */
u8 reserved4; /* 0x13 */
u8 sgl_offset; /* 0x14 */
u8 reserved5[7]; /* 0x15 - 0x1B */
u32 transfer_len; /* 0x1C - 0x1F */
u8 reserved6[4]; /* 0x20 - 0x23 */
u16 io_flags; /* 0x24 - 0x25 */
u8 reserved7[14]; /* 0x26 - 0x33 */
u8 LUN[8]; /* 0x34 - 0x3B */
u32 control; /* 0x3C - 0x3F */
u8 CDB[16]; /* 0x40 - 0x4F */
u8 reserved8[16]; /* 0x50 - 0x5F */
u16 host_context_flags; /* 0x60 - 0x61 */
u16 timeout_sec; /* 0x62 - 0x63 */
u8 ReplyQueue; /* 0x64 */
u8 reserved9[3]; /* 0x65 - 0x67 */
struct vals32 Tag; /* 0x68 - 0x6F */
struct vals32 host_addr; /* 0x70 - 0x77 */
u8 CISS_LUN[8]; /* 0x78 - 0x7F */
struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
} __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
#define IOACCEL1_FUNCTION_SCSIIO 0x00
#define IOACCEL1_SGLOFFSET 32
#define IOACCEL1_IOFLAGS_IO_REQ 0x4000
#define IOACCEL1_IOFLAGS_CDBLEN_MASK 0x001F
#define IOACCEL1_IOFLAGS_CDBLEN_MAX 16
#define IOACCEL1_CONTROL_NODATAXFER 0x00000000
#define IOACCEL1_CONTROL_DATA_OUT 0x01000000
#define IOACCEL1_CONTROL_DATA_IN 0x02000000
#define IOACCEL1_CONTROL_TASKPRIO_MASK 0x00007800
#define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
#define IOACCEL1_CONTROL_SIMPLEQUEUE 0x00000000
#define IOACCEL1_CONTROL_HEADOFQUEUE 0x00000100
#define IOACCEL1_CONTROL_ORDEREDQUEUE 0x00000200
#define IOACCEL1_CONTROL_ACA 0x00000400
#define IOACCEL1_HCFLAGS_CISS_FORMAT 0x0013
#define IOACCEL1_BUSADDR_CMDTYPE 0x00000060
struct ioaccel2_sg_element {
u64 address;
u32 length;
u8 reserved[3];
u8 chain_indicator;
#define IOACCEL2_CHAIN 0x80
};
/*
* SCSI Response Format structure for IO Accelerator Mode 2
*/
struct io_accel2_scsi_response {
u8 IU_type;
#define IOACCEL2_IU_TYPE_SRF 0x60
u8 reserved1[3];
u8 req_id[4]; /* request identifier */
u8 reserved2[4];
u8 serv_response; /* service response */
#define IOACCEL2_SERV_RESPONSE_COMPLETE 0x000
#define IOACCEL2_SERV_RESPONSE_FAILURE 0x001
#define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE 0x002
#define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS 0x003
#define IOACCEL2_SERV_RESPONSE_TMF_REJECTED 0x004
#define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN 0x005
u8 status; /* status */
#define IOACCEL2_STATUS_SR_TASK_COMP_GOOD 0x00
#define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND 0x02
#define IOACCEL2_STATUS_SR_TASK_COMP_BUSY 0x08
#define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON 0x18
#define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL 0x28
#define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED 0x40
#define IOACCEL2_STATUS_SR_IOACCEL_DISABLED 0x0E
u8 data_present; /* low 2 bits */
#define IOACCEL2_NO_DATAPRESENT 0x000
#define IOACCEL2_RESPONSE_DATAPRESENT 0x001
#define IOACCEL2_SENSE_DATA_PRESENT 0x002
#define IOACCEL2_RESERVED 0x003
u8 sense_data_len; /* sense/response data length */
u8 resid_cnt[4]; /* residual count */
u8 sense_data_buff[32]; /* sense/response data buffer */
};
/*
* Structure for I/O accelerator (mode 2 or m2) commands.
* Note that this structure must be 128-byte aligned in size.
*/
#define IOACCEL2_COMMANDLIST_ALIGNMENT 128
struct io_accel2_cmd {
u8 IU_type; /* IU Type */
u8 direction; /* direction, memtype, and encryption */
#define IOACCEL2_DIRECTION_MASK 0x03 /* bits 0,1: direction */
#define IOACCEL2_DIRECTION_MEMTYPE_MASK 0x04 /* bit 2: memtype source/dest */
/* 0b=PCIe, 1b=DDR */
#define IOACCEL2_DIRECTION_ENCRYPT_MASK 0x08 /* bit 3: encryption flag */
/* 0=off, 1=on */
u8 reply_queue; /* Reply Queue ID */
u8 reserved1; /* Reserved */
u32 scsi_nexus; /* Device Handle */
u32 Tag; /* cciss tag, lower 4 bytes only */
u32 tweak_lower; /* Encryption tweak, lower 4 bytes */
u8 cdb[16]; /* SCSI Command Descriptor Block */
u8 cciss_lun[8]; /* 8 byte SCSI address */
u32 data_len; /* Total bytes to transfer */
u8 cmd_priority_task_attr; /* priority and task attrs */
#define IOACCEL2_PRIORITY_MASK 0x78
#define IOACCEL2_ATTR_MASK 0x07
u8 sg_count; /* Number of sg elements */
u16 dekindex; /* Data encryption key index */
u64 err_ptr; /* Error Pointer */
u32 err_len; /* Error Length*/
u32 tweak_upper; /* Encryption tweak, upper 4 bytes */
struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
struct io_accel2_scsi_response error_data;
} __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
/*
* defines for Mode 2 command struct
* FIXME: this can't be all I need mfm
*/
#define IOACCEL2_IU_TYPE 0x40
#define IOACCEL2_IU_TMF_TYPE 0x41
#define IOACCEL2_DIR_NO_DATA 0x00
#define IOACCEL2_DIR_DATA_IN 0x01
#define IOACCEL2_DIR_DATA_OUT 0x02
/*
* SCSI Task Management Request format for Accelerator Mode 2
*/
struct hpsa_tmf_struct {
u8 iu_type; /* Information Unit Type */
u8 reply_queue; /* Reply Queue ID */
u8 tmf; /* Task Management Function */
u8 reserved1; /* byte 3 Reserved */
u32 it_nexus; /* SCSI I-T Nexus */
u8 lun_id[8]; /* LUN ID for TMF request */
struct vals32 Tag; /* cciss tag associated w/ request */
struct vals32 abort_tag;/* cciss tag of SCSI cmd or task to abort */
u64 error_ptr; /* Error Pointer */
u32 error_len; /* Error Length */
};
/* Configuration Table Structure */
struct HostWrite {
u32 TransportRequest;
u32 command_pool_addr_hi;
u32 CoalIntDelay;
u32 CoalIntCount;
};
#define SIMPLE_MODE 0x02
#define PERFORMANT_MODE 0x04
#define MEMQ_MODE 0x08
#define IOACCEL_MODE_1 0x80
#define DRIVER_SUPPORT_UA_ENABLE 0x00000001
struct CfgTable {
u8 Signature[4];
u32 SpecValence;
u32 TransportSupport;
u32 TransportActive;
struct HostWrite HostWrite;
u32 CmdsOutMax;
u32 BusTypes;
u32 TransMethodOffset;
u8 ServerName[16];
u32 HeartBeat;
u32 driver_support;
#define ENABLE_SCSI_PREFETCH 0x100
#define ENABLE_UNIT_ATTN 0x01
u32 MaxScatterGatherElements;
u32 MaxLogicalUnits;
u32 MaxPhysicalDevices;
u32 MaxPhysicalDrivesPerLogicalUnit;
u32 MaxPerformantModeCommands;
u32 MaxBlockFetch;
u32 PowerConservationSupport;
u32 PowerConservationEnable;
u32 TMFSupportFlags;
u8 TMFTagMask[8];
u8 reserved[0x78 - 0x70];
u32 misc_fw_support; /* offset 0x78 */
#define MISC_FW_DOORBELL_RESET (0x02)
#define MISC_FW_DOORBELL_RESET2 (0x010)
#define MISC_FW_RAID_OFFLOAD_BASIC (0x020)
#define MISC_FW_EVENT_NOTIFY (0x080)
u8 driver_version[32];
u32 max_cached_write_size;
u8 driver_scratchpad[16];
u32 max_error_info_length;
u32 io_accel_max_embedded_sg_count;
u32 io_accel_request_size_offset;
u32 event_notify;
#define HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
#define HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
u32 clear_event_notify;
};
#define NUM_BLOCKFETCH_ENTRIES 8
struct TransTable_struct {
u32 BlockFetch[NUM_BLOCKFETCH_ENTRIES];
u32 RepQSize;
u32 RepQCount;
u32 RepQCtrAddrLow32;
u32 RepQCtrAddrHigh32;
#define MAX_REPLY_QUEUES 64
struct vals32 RepQAddr[MAX_REPLY_QUEUES];
};
struct hpsa_pci_info {
unsigned char bus;
unsigned char dev_fn;
unsigned short domain;
u32 board_id;
};
#pragma pack()
#endif /* HPSA_CMD_H */
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