megaraid.h

linux和2410结合开发 用他可以生成2410所需的zImage文件

#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		*/\
  }
#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 */