cciss_cmd.h
资源名称:block.rar [点击查看]
上传用户:ajay2009
上传日期:2009-05-22
资源大小:495k
文件大小:7k
源码类别:
驱动编程
开发平台:
Unix_Linux
- #ifndef CCISS_CMD_H
- #define CCISS_CMD_H
- //###########################################################################
- //DEFINES
- //###########################################################################
- #define CISS_VERSION "1.00"
- //general boundary defintions
- #define SENSEINFOBYTES 32//note that this value may vary between host implementations
- #define MAXSGENTRIES 31
- #define MAXREPLYQS 256
- //Command Status value
- #define CMD_SUCCESS 0x0000
- #define CMD_TARGET_STATUS 0x0001
- #define CMD_DATA_UNDERRUN 0x0002
- #define CMD_DATA_OVERRUN 0x0003
- #define CMD_INVALID 0x0004
- #define CMD_PROTOCOL_ERR 0x0005
- #define CMD_HARDWARE_ERR 0x0006
- #define CMD_CONNECTION_LOST 0x0007
- #define CMD_ABORTED 0x0008
- #define CMD_ABORT_FAILED 0x0009
- #define CMD_UNSOLICITED_ABORT 0x000A
- #define CMD_TIMEOUT 0x000B
- #define CMD_UNABORTABLE 0x000C
- //transfer direction
- #define XFER_NONE 0x00
- #define XFER_WRITE 0x01
- #define XFER_READ 0x02
- #define XFER_RSVD 0x03
- //task attribute
- #define ATTR_UNTAGGED 0x00
- #define ATTR_SIMPLE 0x04
- #define ATTR_HEADOFQUEUE 0x05
- #define ATTR_ORDERED 0x06
- #define ATTR_ACA 0x07
- //cdb type
- #define TYPE_CMD 0x00
- #define TYPE_MSG 0x01
- //config space register offsets
- #define CFG_VENDORID 0x00
- #define CFG_DEVICEID 0x02
- #define CFG_I2OBAR 0x10
- #define CFG_MEM1BAR 0x14
- //i2o space register offsets
- #define I2O_IBDB_SET 0x20
- #define I2O_IBDB_CLEAR 0x70
- #define I2O_INT_STATUS 0x30
- #define I2O_INT_MASK 0x34
- #define I2O_IBPOST_Q 0x40
- #define I2O_OBPOST_Q 0x44
- //Configuration Table
- #define CFGTBL_ChangeReq 0x00000001l
- #define CFGTBL_AccCmds 0x00000001l
- #define CFGTBL_Trans_Simple 0x00000002l
- #define CFGTBL_BusType_Ultra2 0x00000001l
- #define CFGTBL_BusType_Ultra3 0x00000002l
- #define CFGTBL_BusType_Fibre1G 0x00000100l
- #define CFGTBL_BusType_Fibre2G 0x00000200l
- typedef struct _vals32
- {
- __u32 lower;
- __u32 upper;
- } vals32;
- typedef union _u64bit
- {
- vals32 val32;
- __u64 val;
- } u64bit;
- // Type defs used in the following structs
- #define BYTE __u8
- #define WORD __u16
- #define HWORD __u16
- #define DWORD __u32
- #define QWORD vals32
- //###########################################################################
- //STRUCTURES
- //###########################################################################
- #define CISS_MAX_LUN 16
- #define CISS_MAX_PHYS_LUN 1024
- // SCSI-3 Cmmands
- #pragma pack(1)
- #define CISS_INQUIRY 0x12
- //Date returned
- typedef struct _InquiryData_struct
- {
- BYTE data_byte[36];
- } InquiryData_struct;
- #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
- #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
- // Data returned
- typedef struct _ReportLUNdata_struct
- {
- BYTE LUNListLength[4];
- DWORD reserved;
- BYTE LUN[CISS_MAX_LUN][8];
- } ReportLunData_struct;
- #define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
- typedef struct _ReadCapdata_struct
- {
- BYTE total_size[4]; // Total size in blocks
- BYTE block_size[4]; // Size of blocks in bytes
- } ReadCapdata_struct;
- // 12 byte commands not implemented in firmware yet.
- // #define CCISS_READ 0xa8 // Read(12)
- // #define CCISS_WRITE 0xaa // Write(12)
- #define CCISS_READ 0x28 // Read(10)
- #define CCISS_WRITE 0x2a // Write(10)
- // BMIC commands
- #define BMIC_READ 0x26
- #define BMIC_WRITE 0x27
- #define BMIC_CACHE_FLUSH 0xc2
- #define CCISS_CACHE_FLUSH 0x01 //C2 was already being used by CCISS
- //Command List Structure
- typedef union _SCSI3Addr_struct {
- struct {
- BYTE Dev;
- BYTE Bus:6;
- BYTE Mode:2; // b00
- } PeripDev;
- struct {
- BYTE DevLSB;
- BYTE DevMSB:6;
- BYTE Mode:2; // b01
- } LogDev;
- struct {
- BYTE Dev:5;
- BYTE Bus:3;
- BYTE Targ:6;
- BYTE Mode:2; // b10
- } LogUnit;
- } SCSI3Addr_struct;
- typedef struct _PhysDevAddr_struct {
- DWORD TargetId:24;
- DWORD Bus:6;
- DWORD Mode:2;
- SCSI3Addr_struct Target[2]; //2 level target device addr
- } PhysDevAddr_struct;
- typedef struct _LogDevAddr_struct {
- DWORD VolId:30;
- DWORD Mode:2;
- BYTE reserved[4];
- } LogDevAddr_struct;
- typedef union _LUNAddr_struct {
- BYTE LunAddrBytes[8];
- SCSI3Addr_struct SCSI3Lun[4];
- PhysDevAddr_struct PhysDev;
- LogDevAddr_struct LogDev;
- } LUNAddr_struct;
- typedef struct _CommandListHeader_struct {
- BYTE ReplyQueue;
- BYTE SGList;
- HWORD SGTotal;
- QWORD Tag;
- LUNAddr_struct LUN;
- } CommandListHeader_struct;
- typedef struct _RequestBlock_struct {
- BYTE CDBLen;
- struct {
- BYTE Type:3;
- BYTE Attribute:3;
- BYTE Direction:2;
- } Type;
- HWORD Timeout;
- BYTE CDB[16];
- } RequestBlock_struct;
- typedef struct _ErrDescriptor_struct {
- QWORD Addr;
- DWORD Len;
- } ErrDescriptor_struct;
- typedef struct _SGDescriptor_struct {
- QWORD Addr;
- DWORD Len;
- DWORD Ext;
- } SGDescriptor_struct;
- typedef union _MoreErrInfo_struct{
- struct {
- BYTE Reserved[3];
- BYTE Type;
- DWORD ErrorInfo;
- }Common_Info;
- struct{
- BYTE Reserved[2];
- BYTE offense_size;//size of offending entry
- BYTE offense_num; //byte # of offense 0-base
- DWORD offense_value;
- }Invalid_Cmd;
- }MoreErrInfo_struct;
- typedef struct _ErrorInfo_struct {
- BYTE ScsiStatus;
- BYTE SenseLen;
- HWORD CommandStatus;
- DWORD ResidualCnt;
- MoreErrInfo_struct MoreErrInfo;
- BYTE SenseInfo[SENSEINFOBYTES];
- } ErrorInfo_struct;
- /* Command types */
- #define CMD_RWREQ 0x00
- #define CMD_IOCTL_PEND 0x01
- #define CMD_SCSI 0x03
- #define CMD_MSG_DONE 0x04
- #define CMD_MSG_TIMEOUT 0x05
- /* This structure needs to be divisible by 8 for new
- * indexing method.
- */
- #define PADSIZE (sizeof(long) - 4)
- typedef struct _CommandList_struct {
- CommandListHeader_struct Header;
- RequestBlock_struct Request;
- ErrDescriptor_struct ErrDesc;
- SGDescriptor_struct SG[MAXSGENTRIES];
- /* information associated with the command */
- __u32 busaddr; /* physical address of this record */
- ErrorInfo_struct * err_info; /* pointer to the allocated mem */
- int ctlr;
- int cmd_type;
- long cmdindex;
- struct _CommandList_struct *prev;
- struct _CommandList_struct *next;
- struct request * rq;
- struct completion *waiting;
- int retry_count;
- void * scsi_cmd;
- char pad[PADSIZE];
- } CommandList_struct;
- //Configuration Table Structure
- typedef struct _HostWrite_struct {
- DWORD TransportRequest;
- DWORD Reserved;
- DWORD CoalIntDelay;
- DWORD CoalIntCount;
- } HostWrite_struct;
- typedef struct _CfgTable_struct {
- BYTE Signature[4];
- DWORD SpecValence;
- DWORD TransportSupport;
- DWORD TransportActive;
- HostWrite_struct HostWrite;
- DWORD CmdsOutMax;
- DWORD BusTypes;
- DWORD Reserved;
- BYTE ServerName[16];
- DWORD HeartBeat;
- DWORD SCSI_Prefetch;
- } CfgTable_struct;
- #pragma pack()
- #endif // CCISS_CMD_H