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kernel / pub / scm / linux / kernel / git / joro / linux / refs/tags/v2.5.18 / . / drivers / scsi / megaraid.h
blob: c7f01122276979c40b597f81e9981c42d5fd1c1a [file] [log] [blame]
#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, \
}
#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;
#ifdef __LP64__
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: */