megaraid.h
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上传日期:2013-04-10
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- #ifndef __MEGARAID_H__
- #define __MEGARAID_H__
- #ifndef LINUX_VERSION_CODE
- #include <linux/version.h>
- #endif
- /*
- * For state flag. Do not use LSB(8 bits) which are
- * reserved for storing info about channels.
- */
- #define IN_ISR 0x80000000L
- #define IN_ABORT 0x40000000L
- #define IN_RESET 0x20000000L
- #define IN_QUEUE 0x10000000L
- #define BOARD_QUARTZ 0x08000000L
- #define BOARD_40LD 0x04000000L
- #define BOARD_64BIT 0x02000000L
- #define SCB_FREE 0x0
- #define SCB_ACTIVE 0x1
- #define SCB_WAITQ 0x2
- #define SCB_ISSUED 0x3
- #define SCB_COMPLETE 0x4
- #define SCB_ABORTED 0x5
- #define SCB_RESET 0x6
- #define M_RD_CRLFSTR "n"
- #define M_RD_IOCTL_CMD 0x80
- #define M_RD_IOCTL_CMD_NEW 0x81
- #define M_RD_DRIVER_IOCTL_INTERFACE 0x82
- #define MEGARAID_VERSION "v1.18 (Release Date: Thu Oct 11 15:02:53 EDT 2001)n"
- #define MEGARAID_IOCTL_VERSION 114
- /* Methods */
- #define GET_DRIVER_INFO 0x1
- #define MEGA_CMD_TIMEOUT 10
- /* Feel free to fiddle with these.. max values are:
- SGLIST 0..26
- COMMANDS 0..253
- CMDPERLUN 0..63
- */
- #define MAX_SGLIST 0x1A
- #define MAX_COMMANDS 127
- #define MAX_CMD_PER_LUN 63
- #define MAX_FIRMWARE_STATUS 46
- #define MAX_LOGICAL_DRIVES 8
- #define MAX_CHANNEL 5
- #define MAX_TARGET 15
- #define MAX_PHYSICAL_DRIVES MAX_CHANNEL*MAX_TARGET
- #define INQUIRY_DATA_SIZE 0x24
- #define MAX_CDB_LEN 0x0A
- #define MAX_REQ_SENSE_LEN 0x20
- #define INTR_VALID 0x40
- /* Direction Macros for MBOX Data direction */
- #define TO_DEVICE 0x0
- #define FROM_DEVICE 0x1
- #define FROMTO_DEVICE 0x2
- /* Mailbox commands */
- #define MEGA_MBOXCMD_LREAD 0x01
- #define MEGA_MBOXCMD_LWRITE 0x02
- #define MEGA_MBOXCMD_LREAD64 0xA7
- #define MEGA_MBOXCMD_LWRITE64 0xA8
- #define MEGA_MBOXCMD_PASSTHRU 0x03
- #define MEGA_MBOXCMD_EXTPASSTHRU 0xE3
- #define MEGA_MBOXCMD_ADAPTERINQ 0x05
- /* Offsets into Mailbox */
- #define COMMAND_PORT 0x00
- #define COMMAND_ID_PORT 0x01
- #define SG_LIST_PORT0 0x08
- #define SG_LIST_PORT1 0x09
- #define SG_LIST_PORT2 0x0a
- #define SG_LIST_PORT3 0x0b
- #define SG_ELEMENT_PORT 0x0d
- #define NO_FIRED_PORT 0x0f
- /* I/O Port offsets */
- #define I_CMD_PORT 0x00
- #define I_ACK_PORT 0x00
- #define I_TOGGLE_PORT 0x01
- #define INTR_PORT 0x0a
- #define MAILBOX_SIZE (sizeof(mega_mailbox)-16)
- #define MBOX_BUSY_PORT 0x00
- #define MBOX_PORT0 0x04
- #define MBOX_PORT1 0x05
- #define MBOX_PORT2 0x06
- #define MBOX_PORT3 0x07
- #define ENABLE_MBOX_REGION 0x0B
- /* I/O Port Values */
- #define ISSUE_BYTE 0x10
- #define ACK_BYTE 0x08
- #define ENABLE_INTR_BYTE 0xc0
- #define DISABLE_INTR_BYTE 0x00
- #define VALID_INTR_BYTE 0x40
- #define MBOX_BUSY_BYTE 0x10
- #define ENABLE_MBOX_BYTE 0x00
- /* Setup some port macros here */
- #define WRITE_MAILBOX(base,offset,value) *(base+offset)=value
- #define READ_MAILBOX(base,offset) *(base+offset)
- #define WRITE_PORT(base,offset,value) outb_p(value,base+offset)
- #define READ_PORT(base,offset) inb_p(base+offset)
- #define ISSUE_COMMAND(base) WRITE_PORT(base,I_CMD_PORT,ISSUE_BYTE)
- #define CLEAR_INTR(base) WRITE_PORT(base,I_ACK_PORT,ACK_BYTE)
- #define ENABLE_INTR(base) WRITE_PORT(base,I_TOGGLE_PORT,ENABLE_INTR_BYTE)
- #define DISABLE_INTR(base) WRITE_PORT(base,I_TOGGLE_PORT,DISABLE_INTR_BYTE)
- /* Define AMI's PCI codes */
- #ifndef PCI_VENDOR_ID_AMI
- #define PCI_VENDOR_ID_AMI 0x101E
- #endif
- #ifndef PCI_DEVICE_ID_AMI_MEGARAID
- #define PCI_DEVICE_ID_AMI_MEGARAID 0x9010
- #endif
- #ifndef PCI_DEVICE_ID_AMI_MEGARAID2
- #define PCI_DEVICE_ID_AMI_MEGARAID2 0x9060
- #endif
- #ifndef PCI_DEVICE_ID_AMI_MEGARAID3
- #define PCI_DEVICE_ID_AMI_MEGARAID3 0x1960
- #endif
- /* Special Adapter Commands */
- #define FW_FIRE_WRITE 0x2C
- #define FW_FIRE_FLASH 0x2D
- #define FC_NEW_CONFIG 0xA1
- #define DCMD_FC_CMD 0xA1
- #define DCMD_FC_PROCEED 0x02
- #define DCMD_DELETE_LOGDRV 0x03
- #define DCMD_FC_READ_NVRAM_CONFIG 0x04
- #define DCMD_FC_READ_NVRAM_CONFIG_64 0xC0
- #define DCMD_FC_READ_FINAL_CONFIG 0x05
- #define DCMD_GET_DISK_CONFIG 0x06
- #define DCMD_GET_DISK_CONFIG_64 0xC2
- #define DCMD_CHANGE_LDNO 0x07
- #define DCMD_COMPACT_CONFIG 0x08
- #define DCMD_DELETE_DRIVEGROUP 0x09
- #define DCMD_GET_LOOPID_INFO 0x0A
- #define DCMD_CHANGE_LOOPID 0x0B
- #define DCMD_GET_NUM_SCSI_CHANS 0x0C
- #define DCMD_WRITE_CONFIG 0x0D
- #define DCMD_WRITE_CONFIG_64 0xC1
- #define NC_SUBOP_PRODUCT_INFO 0x0E
- #define NC_SUBOP_ENQUIRY3 0x0F
- #define ENQ3_GET_SOLICITED_NOTIFY_ONLY 0x01
- #define ENQ3_GET_SOLICITED_FULL 0x02
- #define ENQ3_GET_UNSOLICITED 0x03
- #define PCI_CONF_BASE_ADDR_OFFSET 0x10
- #define PCI_CONF_IRQ_OFFSET 0x3c
- #define PCI_CONF_AMISIG 0xa0
- #define PCI_CONF_AMISIG64 0xa4
- /* Sub-System Vendor ID sorted on alphabetical order*/
- #define AMI_SUBSYS_ID 0x101E
- #define DELL_SUBSYS_ID 0x1028
- #define HP_SUBSYS_ID 0x103C
- #define AMI_SIGNATURE 0x3344
- #define AMI_SIGNATURE_471 0xCCCC
- #define AMI_64BIT_SIGNATURE 0x0299
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /*0x20100 */
- #define MEGARAID
- { NULL, /* Next */
- NULL, /* Usage Count Pointer */
- NULL, /* proc Directory Entry */
- megaraid_proc_info, /* proc Info Function */
- "MegaRAID", /* Driver Name */
- megaraid_detect, /* Detect Host Adapter */
- megaraid_release, /* Release Host Adapter */
- megaraid_info, /* Driver Info Function */
- megaraid_command, /* Command Function */
- megaraid_queue, /* Queue Command Function */
- megaraid_abort, /* Abort Command Function */
- megaraid_reset, /* Reset Command Function */
- NULL, /* Slave Attach Function */
- megaraid_biosparam, /* Disk BIOS Parameters */
- MAX_COMMANDS, /* # of cmds that can be
- outstanding at any time */
- 7, /* HBA Target ID */
- MAX_SGLIST, /* Scatter/Gather Table Size */
- MAX_CMD_PER_LUN, /* SCSI Commands per LUN */
- 0, /* Present */
- 0, /* Default Unchecked ISA DMA */
- ENABLE_CLUSTERING } /* Enable Clustering */
- #else
- #define MEGARAID
- {
- name: "MegaRAID", /* Driver Name */
- proc_info: megaraid_proc_info, /* /proc driver info */
- detect: megaraid_detect, /* Detect Host Adapter */
- release: megaraid_release, /* Release Host Adapter */
- info: megaraid_info, /* Driver Info Function */
- command: megaraid_command, /* Command Function */
- queuecommand: megaraid_queue, /* Queue Command Function */
- abort: megaraid_abort, /* Abort Command Function */
- reset: megaraid_reset, /* Reset Command Function */
- bios_param: megaraid_biosparam, /* Disk BIOS Parameters */
- can_queue: MAX_COMMANDS, /* Can Queue */
- this_id: 7, /* HBA Target ID */
- sg_tablesize: MAX_SGLIST, /* Scatter/Gather Table Size */
- cmd_per_lun: MAX_CMD_PER_LUN, /* SCSI Commands per LUN */
- present: 0, /* Present */
- unchecked_isa_dma: 0, /* Default Unchecked ISA DMA */
- use_clustering: ENABLE_CLUSTERING, /* Enable Clustering */
- highmem_io: 1, /* enable HIGHMEM I/O */
- }
- #endif
- /***********************************************************************
- * Structure Declarations for the Firmware supporting 40 Logical Drives
- * and 256 Physical Drives.
- ***********************************************************************/
- #define FC_MAX_LOGICAL_DRIVES 40
- #define FC_MAX_LOG_DEVICES FC_MAX_LOGICAL_DRIVES
- #define FC_MAX_SPAN_DEPTH 8
- #define FC_MAX_ROW_SIZE 32
- #define FC_MAX_CHANNELS 16
- #define FC_MAX_TARGETS_PER_CHANNEL 16
- #define FC_MAX_PHYSICAL_DEVICES 256
- /********************************************
- * PRODUCT_INFO
- ********************************************/
- #define SIG_40LOG_32STR_8SPN 0x00282008
- /*
- * Utilities declare this strcture size as 1024 bytes. So more fields can
- * be added in future.
- */
- struct MRaidProductInfo {
- u32 DataSize; /* current size in bytes (not including resvd) */
- u32 ConfigSignature;
- /* Current value is 0x00282008
- * 0x28=MAX_LOGICAL_DRIVES,
- * 0x20=Number of stripes and
- * 0x08=Number of spans */
- u8 FwVer[16]; /* printable ASCI string */
- u8 BiosVer[16]; /* printable ASCI string */
- u8 ProductName[80]; /* printable ASCI string */
- u8 MaxConcCmds; /* Max. concurrent commands supported */
- u8 SCSIChanPresent; /* Number of SCSI Channels detected */
- u8 FCLoopPresent; /* Number of Fibre Loops detected */
- u8 memType; /* EDO, FPM, SDRAM etc */
- u32 signature;
- u16 DramSize; /* In terms of MB */
- u16 subSystemID;
- u16 subSystemVendorID;
- u8 numNotifyCounters;
- u8 pad1k[889]; /* 135 + 889 resvd = 1024 total size */
- } __attribute__ ((packed));
- typedef struct MRaidProductInfo megaRaidProductInfo;
- /********************************************
- * Standard ENQUIRY
- ********************************************/
- struct FC_ADP_INFO {
- u8 MaxConcCmds; /* Max. concurrent commands supported. */
- u8 RbldRate; /* Rebuild Rate. Varies from 0%-100% */
- u8 MaxTargPerChan; /* Max. Targets supported per chan. */
- u8 ChanPresent; /* No. of Chans present on this adapter. */
- u8 FwVer[4]; /* Firmware version. */
- u16 AgeOfFlash; /* No. of times FW has been downloaded. */
- u8 ChipSetValue; /* Contents of 0xC0000832 */
- u8 DramSize; /* In terms of MB */
- u8 CacheFlushInterval; /* In terms of Seconds */
- u8 BiosVersion[4];
- u8 BoardType;
- u8 sense_alert;
- u8 write_config_count; /* Increase with evry configuration change */
- u8 drive_inserted_count;/* Increase with every drive inserted */
- u8 inserted_drive; /* Channel: Id of inserted drive */
- u8 battery_status;
- /*
- BIT 0 : battery module missing
- BIT 1 : VBAD
- BIT 2 : temp high
- BIT 3 : battery pack missing
- BIT 4,5 : 00 - charge complete
- 01 - fast charge in prog
- 10 - fast charge fail
- 11 - undefined
- BIt 6 : counter > 1000
- Bit 7 : undefined
- */
- u8 dec_fault_bus_info; /* was resvd */
- } __attribute__ ((packed));
- struct FC_LDRV_INFO {
- u8 NumLDrv; /* No. of Log. Drvs configured. */
- u8 recon_state[FC_MAX_LOGICAL_DRIVES / 8];
- /* bit field for State of reconstruct */
- u16 LDrvOpStatus[FC_MAX_LOGICAL_DRIVES / 8];
- /* bit field Status of Long Operations. */
- u32 LDrvSize[FC_MAX_LOGICAL_DRIVES]; /* Size of each log. Drv. */
- u8 LDrvProp[FC_MAX_LOGICAL_DRIVES];
- u8 LDrvState[FC_MAX_LOGICAL_DRIVES]; /* State of Logical Drives. */
- } __attribute__ ((packed));
- #define PREVSTAT_MASK 0xf0
- #define CURRSTAT_MASK 0x0f
- struct FC_PDRV_INFO {
- u8 PDrvState[FC_MAX_PHYSICAL_DEVICES]; /* State of Phys Drvs. */
- } __attribute__ ((packed));
- struct FC_AdapterInq {
- struct FC_ADP_INFO AdpInfo;
- struct FC_LDRV_INFO LogdrvInfo;
- struct FC_PDRV_INFO PhysdrvInfo;
- } __attribute__ ((packed));
- typedef struct FC_AdapterInq mega_RAIDINQ_FC;
- /********************************************
- * NOTIFICATION
- ********************************************/
- #define MAX_NOTIFY_SIZE 0x80
- #define CUR_NOTIFY_SIZE sizeof(struct MegaRAID_Notify)
- /*
- * Utilities declare this strcture size as ?? bytes. So more fields can
- * be added in future.
- */
- struct MegaRAID_Notify {
- u32 globalCounter; /* Any change increments this counter */
- u8 paramCounter; /* Indicates any params changed */
- u8 paramId; /* Param modified - defined below */
- u16 paramVal; /* New val of last param modified */
- u8 writeConfigCounter; /* write config occurred */
- u8 writeConfigRsvd[3];
- u8 ldrvOpCounter; /* Indicates ldrv op started/completed */
- u8 ldrvOpId; /* ldrv num */
- u8 ldrvOpCmd; /* ldrv operation - defined below */
- u8 ldrvOpStatus; /* status of the operation */
- u8 ldrvStateCounter; /* Indicates change of ldrv state */
- u8 ldrvStateId; /* ldrv num */
- u8 ldrvStateNew; /* New state */
- u8 ldrvStateOld; /* old state */
- u8 pdrvStateCounter; /* Indicates change of ldrv state */
- u8 pdrvStateId; /* pdrv id */
- u8 pdrvStateNew; /* New state */
- u8 pdrvStateOld; /* old state */
- u8 pdrvFmtCounter; /* Indicates pdrv format started/over */
- u8 pdrvFmtId; /* pdrv id */
- u8 pdrvFmtVal; /* format started/over */
- u8 pdrvFmtRsvd;
- u8 targXferCounter; /* Indicates SCSI-2 Xfer rate change */
- u8 targXferId; /* pdrv Id */
- u8 targXferVal; /* new Xfer params of last pdrv */
- u8 targXferRsvd;
- u8 fcLoopIdChgCounter; /* Indicates loopid changed */
- u8 fcLoopIdPdrvId; /* pdrv id */
- u8 fcLoopId0; /* loopid on fc loop 0 */
- u8 fcLoopId1; /* loopid on fc loop 1 */
- u8 fcLoopStateCounter; /* Indicates loop state changed */
- u8 fcLoopState0; /* state of fc loop 0 */
- u8 fcLoopState1; /* state of fc loop 1 */
- u8 fcLoopStateRsvd;
- } __attribute__ ((packed));
- /********************************************
- * PARAM IDs in Notify struct
- ********************************************/
- #define PARAM_RBLD_RATE 0x01
- /*--------------------------------------
- * Param val =
- * byte 0: new rbld rate
- *--------------------------------------*/
- #define PARAM_CACHE_FLUSH_INTERVAL 0x02
- /*--------------------------------------
- * Param val =
- * byte 0: new cache flush interval
- *--------------------------------------*/
- #define PARAM_SENSE_ALERT 0x03
- /*--------------------------------------
- * Param val =
- * byte 0: last pdrv id causing chkcond
- *--------------------------------------*/
- #define PARAM_DRIVE_INSERTED 0x04
- /*--------------------------------------
- * Param val =
- * byte 0: last pdrv id inserted
- *--------------------------------------*/
- #define PARAM_BATTERY_STATUS 0x05
- /*--------------------------------------
- * Param val =
- * byte 0: battery status
- *--------------------------------------*/
- /********************************************
- * Ldrv operation cmd in Notify struct
- ********************************************/
- #define LDRV_CMD_CHKCONSISTANCY 0x01
- #define LDRV_CMD_INITIALIZE 0x02
- #define LDRV_CMD_RECONSTRUCTION 0x03
- /********************************************
- * Ldrv operation status in Notify struct
- ********************************************/
- #define LDRV_OP_SUCCESS 0x00
- #define LDRV_OP_FAILED 0x01
- #define LDRV_OP_ABORTED 0x02
- #define LDRV_OP_CORRECTED 0x03
- #define LDRV_OP_STARTED 0x04
- /********************************************
- * Raid Logical drive states.
- ********************************************/
- #define RDRV_OFFLINE 0
- #define RDRV_DEGRADED 1
- #define RDRV_OPTIMAL 2
- #define RDRV_DELETED 3
- /*******************************************
- * Physical drive states.
- *******************************************/
- #define PDRV_UNCNF 0
- #define PDRV_ONLINE 3
- #define PDRV_FAILED 4
- #define PDRV_RBLD 5
- /*******************************************
- * Formal val in Notify struct
- *******************************************/
- #define PDRV_FMT_START 0x01
- #define PDRV_FMT_OVER 0x02
- /********************************************
- * FC Loop State in Notify Struct
- ********************************************/
- #define ENQ_FCLOOP_FAILED 0
- #define ENQ_FCLOOP_ACTIVE 1
- #define ENQ_FCLOOP_TRANSIENT 2
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- #define M_RD_DMA_TYPE_NONE 0xFFFF
- #define M_RD_PTHRU_WITH_BULK_DATA 0x0001
- #define M_RD_PTHRU_WITH_SGLIST 0x0002
- #define M_RD_BULK_DATA_ONLY 0x0004
- #define M_RD_SGLIST_ONLY 0x0008
- #define M_RD_EPTHRU_WITH_BULK_DATA 0x0010
- #endif
- /********************************************
- * ENQUIRY3
- ********************************************/
- /*
- * Utilities declare this strcture size as 1024 bytes. So more fields can
- * be added in future.
- */
- struct MegaRAID_Enquiry3 {
- u32 dataSize; /* current size in bytes (not including resvd) */
- struct MegaRAID_Notify notify;
- u8 notifyRsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE];
- u8 rbldRate; /* Rebuild rate (0% - 100%) */
- u8 cacheFlushInterval; /* In terms of Seconds */
- u8 senseAlert;
- u8 driveInsertedCount; /* drive insertion count */
- u8 batteryStatus;
- u8 numLDrv; /* No. of Log Drives configured */
- u8 reconState[FC_MAX_LOGICAL_DRIVES / 8]; /* State of reconstruct */
- u16 lDrvOpStatus[FC_MAX_LOGICAL_DRIVES / 8]; /* log. Drv Status */
- u32 lDrvSize[FC_MAX_LOGICAL_DRIVES]; /* Size of each log. Drv */
- u8 lDrvProp[FC_MAX_LOGICAL_DRIVES];
- u8 lDrvState[FC_MAX_LOGICAL_DRIVES]; /* State of Logical Drives */
- u8 pDrvState[FC_MAX_PHYSICAL_DEVICES]; /* State of Phys. Drvs. */
- u16 physDrvFormat[FC_MAX_PHYSICAL_DEVICES / 16];
- u8 targXfer[80]; /* phys device transfer rate */
- u8 pad1k[263]; /* 761 + 263reserved = 1024 bytes total size */
- } __attribute__ ((packed));
- typedef struct MegaRAID_Enquiry3 mega_Enquiry3;
- /* Structures */
- typedef struct _mega_ADP_INFO {
- u8 MaxConcCmds;
- u8 RbldRate;
- u8 MaxTargPerChan;
- u8 ChanPresent;
- u8 FwVer[4];
- u16 AgeOfFlash;
- u8 ChipSetValue;
- u8 DramSize;
- u8 CacheFlushInterval;
- u8 BiosVer[4];
- u8 resvd[7];
- } mega_ADP_INFO;
- typedef struct _mega_LDRV_INFO {
- u8 NumLDrv;
- u8 resvd[3];
- u32 LDrvSize[MAX_LOGICAL_DRIVES];
- u8 LDrvProp[MAX_LOGICAL_DRIVES];
- u8 LDrvState[MAX_LOGICAL_DRIVES];
- } mega_LDRV_INFO;
- typedef struct _mega_PDRV_INFO {
- u8 PDrvState[MAX_PHYSICAL_DRIVES];
- u8 resvd;
- } mega_PDRV_INFO;
- /* RAID inquiry: Mailbox command 0x5*/
- typedef struct _mega_RAIDINQ {
- mega_ADP_INFO AdpInfo;
- mega_LDRV_INFO LogdrvInfo;
- mega_PDRV_INFO PhysdrvInfo;
- } mega_RAIDINQ;
- /* Passthrough command: Mailbox command 0x3*/
- typedef struct mega_passthru {
- u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */
- u8 ars:1;
- u8 reserved:3;
- u8 islogical:1;
- u8 logdrv; /* if islogical == 1 */
- u8 channel; /* if islogical == 0 */
- u8 target; /* if islogical == 0 */
- u8 queuetag; /* unused */
- u8 queueaction; /* unused */
- u8 cdb[MAX_CDB_LEN];
- u8 cdblen;
- u8 reqsenselen;
- u8 reqsensearea[MAX_REQ_SENSE_LEN];
- u8 numsgelements;
- u8 scsistatus;
- u32 dataxferaddr;
- u32 dataxferlen;
- } mega_passthru;
- /*
- * Extended passthru: support CDB > 10 bytes
- */
- typedef struct {
- u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */
- u8 ars:1;
- u8 rsvd1:1;
- u8 cd_rom:1;
- u8 rsvd2:1;
- u8 islogical:1;
- u8 logdrv; /* if islogical == 1 */
- u8 channel; /* if islogical == 0 */
- u8 target; /* if islogical == 0 */
- u8 queuetag; /* unused */
- u8 queueaction; /* unused */
- u8 cdblen;
- u8 rsvd3;
- u8 cdb[16];
- u8 numsgelements;
- u8 status;
- u8 reqsenselen;
- u8 reqsensearea[MAX_REQ_SENSE_LEN];
- u8 rsvd4;
- u32 dataxferaddr;
- u32 dataxferlen;
- }mega_ext_passthru;
- struct _mega_mailbox {
- /* 0x0 */ u8 cmd;
- /* 0x1 */ u8 cmdid;
- /* 0x2 */ u16 numsectors;
- /* 0x4 */ u32 lba;
- /* 0x8 */ u32 xferaddr;
- /* 0xC */ u8 logdrv;
- /* 0xD */ u8 numsgelements;
- /* 0xE */ u8 resvd;
- /* 0xF */ u8 busy;
- /* 0x10 */ u8 numstatus;
- /* 0x11 */ u8 status;
- /* 0x12 */ u8 completed[46];
- volatile u8 mraid_poll;
- volatile u8 mraid_ack;
- u8 pad[16]; /* for alignment purposes */
- } __attribute__ ((packed));
- typedef struct _mega_mailbox mega_mailbox;
- typedef struct {
- u32 xferSegment_lo;
- u32 xferSegment_hi;
- mega_mailbox mailbox;
- } mega_mailbox64;
- typedef struct _mega_ioctl_mbox {
- /* 0x0 */ u8 cmd;
- /* 0x1 */ u8 cmdid;
- /* 0x2 */ u8 channel;
- /* 0x3 */ u8 param;
- /* 0x4 */ u8 pad[4];
- /* 0x8 */ u32 xferaddr;
- /* 0xC */ u8 logdrv;
- /* 0xD */ u8 numsgelements;
- /* 0xE */ u8 resvd;
- /* 0xF */ u8 busy;
- /* 0x10 */ u8 numstatus;
- /* 0x11 */ u8 status;
- /* 0x12 */ u8 completed[46];
- u8 mraid_poll;
- u8 mraid_ack;
- u8 malign[16];
- } mega_ioctl_mbox;
- typedef struct _mega_64sglist32 {
- u64 address;
- u32 length;
- } __attribute__ ((packed)) mega_64sglist;
- typedef struct _mega_sglist {
- u32 address;
- u32 length;
- } mega_sglist;
- /* Queued command data */
- typedef struct _mega_scb mega_scb;
- struct _mega_scb {
- int idx;
- u32 state;
- u32 isrcount;
- u8 mboxData[16];
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- u32 dma_type;
- dma_addr_t dma_h_bulkdata; /*Dma handle for bulk data transfter */
- u32 dma_direction; /*Dma direction */
- dma_addr_t dma_h_sgdata; /*Dma handle for the sglist structure */
- dma_addr_t dma_h_sglist[MAX_SGLIST]; /*Dma handle for all SGL elements */
- u8 sglist_count;
- dma_addr_t dma_sghandle64;
- dma_addr_t dma_passthruhandle64;
- dma_addr_t dma_ext_passthruhandle64;
- dma_addr_t dma_bounce_buffer;
- u8 *bounce_buffer;
- #endif
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- mega_passthru *pthru;
- mega_ext_passthru *epthru;
- #else
- mega_passthru pthru;
- mega_ext_passthru epthru;
- #endif
- Scsi_Cmnd *SCpnt;
- mega_sglist *sgList;
- mega_64sglist *sg64List;
- struct semaphore ioctl_sem;
- void *buff_ptr;
- u32 iDataSize;
- mega_scb *next;
- };
- /* internal locking by the queue manipulting routines */
- #define INTERNAL_LOCK 0
- /* external locking by the queue manipulting routines */
- #define EXTERNAL_LOCK 1
- #define NO_LOCK 2
- #define INTR_ENB 0 /* do not disable interrupt while manipulating */
- #define INTR_DIS 1 /* disable interrupt while manipulating */
- /* Per-controller data */
- typedef struct _mega_host_config {
- u8 numldrv;
- u32 flag;
- #if BITS_PER_LONG==64
- u64 base;
- #else
- u32 base;
- #endif
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- dma_addr_t dma_handle64, adjdmahandle64;
- struct pci_dev *dev;
- #endif
- mega_scb *qFreeH;
- mega_scb *qFreeT;
- spinlock_t lock_free;
- mega_scb *qPendingH;
- mega_scb *qPendingT;
- spinlock_t lock_pend;
- Scsi_Cmnd *qCompletedH;
- Scsi_Cmnd *qCompletedT;
- spinlock_t lock_scsicmd;
- u32 qFcnt;
- u32 qPcnt;
- u32 qCcnt;
- unsigned long nReads[FC_MAX_LOGICAL_DRIVES];
- unsigned long nReadBlocks[FC_MAX_LOGICAL_DRIVES];
- unsigned long nWrites[FC_MAX_LOGICAL_DRIVES];
- unsigned long nWriteBlocks[FC_MAX_LOGICAL_DRIVES];
- unsigned long nInterrupts;
- /* Host adapter parameters */
- u8 fwVer[7];
- u8 biosVer[7];
- struct Scsi_Host *host;
- volatile mega_mailbox64 *mbox64; /* ptr to beginning of 64-bit mailbox */
- volatile mega_mailbox *mbox; /* ptr to beginning of standard mailbox */
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- /* ptr to beginning of standard mailbox */
- volatile mega_mailbox64 *mailbox64ptr;
- #else
- volatile mega_mailbox64 mailbox64;
- #endif
- volatile u8 mega_buffer[2 * 1024L];
- volatile megaRaidProductInfo productInfo;
- u8 max_cmds;
- mega_scb scbList[MAX_COMMANDS];
- #define PROCBUFSIZE 4096
- char procbuf[PROCBUFSIZE];
- int procidx;
- struct proc_dir_entry *controller_proc_dir_entry;
- struct proc_dir_entry *proc_read, *proc_stat, *proc_status, *proc_mbox;
- int support_ext_cdb;
- int boot_ldrv_enabled;
- int boot_ldrv;
- int support_random_del; /* Do we support random deletion of logdrvs */
- int read_ldidmap; /* set after logical drive deltion. The logical
- drive number must be read from the map */
- int quiescent; /* a stage reached when delete logical drive needs to
- be done. Stop sending requests to the hba till
- delete operation is completed */
- mega_scb *int_qh; /* commands are queued in the internal queue */
- mega_scb *int_qt; /* while the hba is quiescent */
- int int_qlen;
- } mega_host_config;
- typedef struct _driver_info {
- int size;
- ulong version;
- } mega_driver_info;
- /*
- * User ioctl structure.
- * This structure will be used for Traditional Method ioctl interface
- * commands (M_RD_IOCTL_CMD),Alternate Buffer Method (M_RD_IOCTL_CMD_NEW)
- * ioctl commands and the Driver ioctls(M_RD_DRIVER_IOCTL_INTERFACE).
- * The Driver ioctl interface handles the commands at
- * the driver level, without being sent to the card.
- */
- #define MEGADEVIOC 0x84
- /* system call imposed limit. Change accordingly */
- #define IOCTL_MAX_DATALEN 4096
- #pragma pack(1)
- struct uioctl_t {
- u32 inlen;
- u32 outlen;
- union {
- u8 fca[16];
- struct {
- u8 opcode;
- u8 subopcode;
- u16 adapno;
- #if BITS_PER_LONG == 32
- u8 *buffer;
- u8 pad[4];
- #endif
- #if BITS_PER_LONG == 64
- u8 *buffer;
- #endif
- u32 length;
- } fcs;
- } ui;
- u8 mbox[18]; /* 16 bytes + 2 status bytes */
- mega_passthru pthru;
- #if BITS_PER_LONG == 32
- char *data; /* buffer <= 4096 for 0x80 commands */
- char pad[4];
- #endif
- #if BITS_PER_LONG == 64
- char *data;
- #endif
- };
- #pragma pack()
- /*
- * struct mcontroller is used to pass information about the controllers in the
- * system. Its upto the application how to use the information. We are passing
- * as much info about the cards as possible and useful. Before issuing the
- * call to find information about the cards, the applicaiton needs to issue a
- * ioctl first to find out the number of controllers in the system.
- */
- #define MAX_CONTROLLERS 32
- struct mcontroller {
- u64 base;
- u8 irq;
- u8 numldrv;
- u8 pcibus;
- u16 pcidev;
- u8 pcifun;
- u16 pciid;
- u16 pcivendor;
- u8 pcislot;
- u32 uid;
- };
- struct mbox_passthru {
- u8 cmd;
- u8 cmdid;
- u16 pad1;
- u32 pad2;
- u32 dataxferaddr;
- u8 pad3;
- u8 pad4;
- u8 rsvd;
- u8 mboxbusy;
- u8 nstatus;
- u8 status;
- };
- /*
- * Defines for Driver IOCTL interface, Op-code:M_RD_DRIVER_IOCTL_INTERFACE
- */
- #define MEGAIOC_MAGIC 'm'
- #define MEGAIOCCMD _IOWR(MEGAIOC_MAGIC, 0) /* Mega IOCTL command */
- #define MEGAIOC_QNADAP 'm' /* Query # of adapters */
- #define MEGAIOC_QDRVRVER 'e' /* Query driver version */
- #define MEGAIOC_QADAPINFO 'g' /* Query adapter information */
- #define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | (adapno) )
- #define GETADAP(mkadap) ( (mkadap) ^ MEGAIOC_MAGIC << 8 )
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) /*0x20300 */
- extern struct proc_dir_entry proc_scsi_megaraid;
- #endif
- /* For Host Re-Ordering */
- #define MAX_CONTROLLERS 32
- struct mega_hbas {
- int is_bios_enabled;
- mega_host_config *hostdata_addr;
- };
- #define IS_BIOS_ENABLED 0x62
- #define GET_BIOS 0x01
- #define CHNL_CLASS 0xA9
- #define GET_CHNL_CLASS 0x00
- #define SET_CHNL_CLASS 0x01
- #define CH_RAID 0x01
- #define CH_SCSI 0x00
- #define BIOS_PVT_DATA 0x40
- #define GET_BIOS_PVT_DATA 0x00
- #pragma pack(1)
- struct private_bios_data {
- u8 geometry:4; /*
- * bits 0-3 - BIOS geometry
- * 0x0001 - 1GB
- * 0x0010 - 2GB
- * 0x1000 - 8GB
- * Others values are invalid
- */
- u8 unused:4; /* bits 4-7 are unused */
- u8 boot_ldrv; /*
- * logical drive set as boot drive
- * 0..7 - for 8LD cards
- * 0..39 - for 40LD cards
- */
- u8 rsvd[12];
- u16 cksum; /* 0-(sum of first 13 bytes of this structure) */
- };
- #pragma pack()
- #define NVIRT_CHAN 4 /* # of virtual channels to represent 60 logical
- drives */
- /*
- * Command for random deletion of logical drives
- */
- #define FC_DEL_LOGDRV 0xA4 /* f/w command */
- #define OP_SUP_DEL_LOGDRV 0x2A /* is feature supported */
- #define OP_GET_LDID_MAP 0x18 /* get logdrv id and logdrv number map */
- #define OP_DEL_LOGDRV 0x1C /* delete logical drive */
- /*================================================================
- *
- * Function prototypes
- *
- *================================================================
- */
- const char *megaraid_info (struct Scsi_Host *);
- int megaraid_detect (Scsi_Host_Template *);
- int megaraid_release (struct Scsi_Host *);
- int megaraid_command (Scsi_Cmnd *);
- int megaraid_abort (Scsi_Cmnd *);
- int megaraid_reset (Scsi_Cmnd *, unsigned int);
- int megaraid_queue (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
- int megaraid_biosparam (Disk *, kdev_t, int *);
- int megaraid_proc_info (char *buffer, char **start, off_t offset,
- int length, int hostno, int inout);
- static int megaIssueCmd (mega_host_config * megaCfg, u_char * mboxData,
- mega_scb * scb, int intr);
- static int mega_build_sglist (mega_host_config * megaCfg, mega_scb * scb,
- u32 * buffer, u32 * length);
- static int mega_busyWaitMbox (mega_host_config *);
- static int mega_runpendq (mega_host_config *);
- static void mega_rundoneq (mega_host_config *);
- static void mega_cmd_done (mega_host_config *, mega_scb *, int);
- static inline void mega_freeSgList (mega_host_config * megaCfg);
- static void mega_Convert8ldTo40ld (mega_RAIDINQ * inquiry,
- mega_Enquiry3 * enquiry3,
- megaRaidProductInfo * productInfo);
- static int megaraid_reboot_notify (struct notifier_block *,
- unsigned long, void *);
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
- static mega_scb *mega_ioctl (mega_host_config * megaCfg, Scsi_Cmnd * SCpnt);
- static void mega_build_kernel_sg (char *barea, ulong xfersize, mega_scb * pScb,
- mega_ioctl_mbox * mbox);
- #endif
- static int megadev_open (struct inode *, struct file *);
- static int megadev_ioctl_entry (struct inode *, struct file *,
- unsigned int, unsigned long);
- static int megadev_ioctl (struct inode *, struct file *,
- unsigned int, unsigned long);
- static mega_scb *megadev_doioctl (mega_host_config *, Scsi_Cmnd *);
- static int megadev_close (struct inode *, struct file *);
- static void megadev_ioctl_done (Scsi_Cmnd *);
- static int mega_init_scb (mega_host_config *);
- static void enq_scb_freelist (mega_host_config *, mega_scb *,
- int lock, int intr);
- static int mega_is_bios_enabled (mega_host_config *);
- static void mega_reorder_hosts (void);
- static void mega_swap_hosts (struct Scsi_Host *, struct Scsi_Host *);
- static void mega_create_proc_entry (int index, struct proc_dir_entry *);
- static int mega_support_ext_cdb(mega_host_config *);
- static mega_passthru* mega_prepare_passthru(mega_host_config *, mega_scb *,
- Scsi_Cmnd *);
- static mega_ext_passthru* mega_prepare_extpassthru(mega_host_config *,
- mega_scb *, Scsi_Cmnd *);
- static void mega_enum_raid_scsi(mega_host_config *);
- static int mega_partsize(Disk *, kdev_t, int *);
- static void mega_get_boot_ldrv(mega_host_config *);
- static int mega_get_lun(mega_host_config *, Scsi_Cmnd *);
- static int mega_support_random_del(mega_host_config *);
- static int mega_del_logdrv(mega_host_config *, int);
- static int mega_do_del_logdrv(mega_host_config *, int);
- #endif
- /* vi: set ts=4: */