patch-2.4.3 linux/drivers/scsi/megaraid.h
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- Lines: 1335
- Date:
Tue Mar 6 19:44:37 2001
- Orig file:
v2.4.2/linux/drivers/scsi/megaraid.h
- Orig date:
Mon Dec 11 13:19:40 2000
diff -u --recursive --new-file v2.4.2/linux/drivers/scsi/megaraid.h linux/drivers/scsi/megaraid.h
@@ -5,14 +5,15 @@
#include <linux/version.h>
#endif
-#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 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
-#ifndef HOSTS_C
#define SCB_FREE 0x0
#define SCB_ACTIVE 0x1
#define SCB_WAITQ 0x2
@@ -20,619 +21,862 @@
#define SCB_COMPLETE 0x4
#define SCB_ABORTED 0x5
#define SCB_RESET 0x6
-#endif
-#define MEGA_CMD_TIMEOUT 10
+#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 "v1.14g (Release Date: Feb 5, 2001; 11:42)"
+#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_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_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_CDB_LEN 0x0A
#define MAX_REQ_SENSE_LEN 0x20
-#define INTR_VALID 0x40
+#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_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
+#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
+#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
+#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 WRITE_MAILBOX(base,offset,value) *(base+offset)=value
+#define READ_MAILBOX(base,offset) *(base+offset)
-/* Define AMI's PCI codes */
-#undef PCI_VENDOR_ID_AMI
-#undef PCI_DEVICE_ID_AMI_MEGARAID
+#define WRITE_PORT(base,offset,value) outb_p(value,base+offset)
+#define READ_PORT(base,offset) inb_p(base+offset)
-#ifndef PCI_VENDOR_ID_AMI
-#define PCI_VENDOR_ID_AMI 0x101E
-#define PCI_DEVICE_ID_AMI_MEGARAID 0x9010
-#endif
-
-#define PCI_CONF_BASE_ADDR_OFFSET 0x10
-#define PCI_CONF_IRQ_OFFSET 0x3c
-#define PCI_CONF_AMISIG 0xa0
-#define AMI_SIGNATURE 0x3344
-#define AMI_SIGNATURE_471 0xCCCC
+#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)
+
+/* 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 < 0x20100
+#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 */
+ { 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 */\
+ 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 */\
}
#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
-
-#define FC_NEW_CONFIG 0xA1
-#define DCMD_FC_CMD 0xA1
- #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 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 Strucure
+ * 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));
+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 Strucure
+ * 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));
+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_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));
-
-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;
+typedef struct FC_AdapterInq mega_RAIDINQ_FC;
/********************************************
- * NOTIFICATION Strucure
+ * 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));
+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
+#define PARAM_RBLD_RATE 0x01
/*--------------------------------------
- * Param val =
- * byte 0: new rbld rate
+ * Param val =
+ * byte 0: new rbld rate
*--------------------------------------*/
#define PARAM_CACHE_FLUSH_INTERVAL 0x02
/*--------------------------------------
- * Param val =
+ * Param val =
* byte 0: new cache flush interval
*--------------------------------------*/
-#define PARAM_SENSE_ALERT 0x03
+#define PARAM_SENSE_ALERT 0x03
/*--------------------------------------
- * Param val =
+ * Param val =
* byte 0: last pdrv id causing chkcond
*--------------------------------------*/
-#define PARAM_DRIVE_INSERTED 0x04
+#define PARAM_DRIVE_INSERTED 0x04
/*--------------------------------------
- * Param val =
+ * Param val =
* byte 0: last pdrv id inserted
*--------------------------------------*/
-#define PARAM_BATTERY_STATUS 0x05
+#define PARAM_BATTERY_STATUS 0x05
/*--------------------------------------
- * Param val =
+ * 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
+#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
-
+#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
+#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
-/* #define PDRV_HOTSPARE 6 */
+#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
+#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
-
+#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
+#endif
/********************************************
- * ENQUIRY3 Strucure
+ * 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));
+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];
+ 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];
+ 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;
+ u8 PDrvState[MAX_PHYSICAL_DRIVES];
+ u8 resvd;
} mega_PDRV_INFO;
-// RAID inquiry: Mailbox command 0x5
+/* RAID inquiry: Mailbox command 0x5*/
typedef struct _mega_RAIDINQ {
- mega_ADP_INFO AdpInfo;
- mega_LDRV_INFO LogdrvInfo;
- mega_PDRV_INFO PhysdrvInfo;
+ mega_ADP_INFO AdpInfo;
+ mega_LDRV_INFO LogdrvInfo;
+ mega_PDRV_INFO PhysdrvInfo;
} mega_RAIDINQ;
-// Passthrough command: Mailbox command 0x3
+/* 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;
+ 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;
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];
- u8 mraid_poll;
- u8 mraid_ack;
- u8 pad[16]; /* for alignment purposes */
-}__attribute__((packed));
+ /* 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; /* for 64-bit controllers */
- mega_mailbox mailbox;
+ 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];
+ /* 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;
+ 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];
- mega_passthru pthru;
- Scsi_Cmnd *SCpnt;
- mega_sglist *sgList;
- char *kern_area; /* Only used for large ioctl xfers */
- struct wait_queue *ioctl_wait;
- struct semaphore sem;
- mega_scb *next;
+ 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_bounce_buffer;
+ u8 *bounce_buffer;
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
+ mega_passthru *pthru;
+#else
+ mega_passthru pthru;
+#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;
- u32 base;
-
- mega_scb *qFreeH;
- mega_scb *qFreeT;
- mega_scb *qPendingH;
- mega_scb *qPendingT;
-
- Scsi_Cmnd *qCompletedH;
- Scsi_Cmnd *qCompletedT;
- u32 qFcnt;
- u32 qPcnt;
- u32 qCcnt;
-
- u32 nReads[FC_MAX_LOGICAL_DRIVES];
- u32 nWrites[FC_MAX_LOGICAL_DRIVES];
-
- /* 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 */
- volatile mega_mailbox64 mailbox64;
-#if 0
- volatile union {
- u8 generic_buffer[2 * 1024L];
- mega_RAIDINQ adapterInfoData;
- mega_Enquiry3 enquiry3Data;
- }mega_buffer;
+ 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 u8 mega_buffer[2*1024L];
+ volatile mega_mailbox64 mailbox64;
#endif
- volatile megaRaidProductInfo productInfo;
- u8 max_cmds;
- mega_scb scbList[MAX_COMMANDS];
+ 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;
} mega_host_config;
-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);
+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
+
+/*================================================================
+ *
+ * Function prototypes
+ *
+ *================================================================
+ */
+static const char *megaraid_info (struct Scsi_Host *);
+int megaraid_detect (Scsi_Host_Template *);
+static int megaraid_release (struct Scsi_Host *);
+static int megaraid_command (Scsi_Cmnd *);
+static int megaraid_abort (Scsi_Cmnd *);
+static int megaraid_reset (Scsi_Cmnd *, unsigned int);
+static int megaraid_queue (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
+static int megaraid_biosparam (Disk *, kdev_t, int *);
+static 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 *);
#endif
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)