131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
#ifndef CCISS_DEFS_H
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#define CCISS_DEFS_H
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#include <linux/types.h>
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/* general boundary definitions */
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#define SENSEINFOBYTES 32 /* note that this value may vary
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between host implementations */
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/* Command Status value */
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#define CMD_SUCCESS 0x0000
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#define CMD_TARGET_STATUS 0x0001
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#define CMD_DATA_UNDERRUN 0x0002
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#define CMD_DATA_OVERRUN 0x0003
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#define CMD_INVALID 0x0004
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#define CMD_PROTOCOL_ERR 0x0005
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#define CMD_HARDWARE_ERR 0x0006
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#define CMD_CONNECTION_LOST 0x0007
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#define CMD_ABORTED 0x0008
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#define CMD_ABORT_FAILED 0x0009
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#define CMD_UNSOLICITED_ABORT 0x000A
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#define CMD_TIMEOUT 0x000B
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#define CMD_UNABORTABLE 0x000C
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/* transfer direction */
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#define XFER_NONE 0x00
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#define XFER_WRITE 0x01
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#define XFER_READ 0x02
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#define XFER_RSVD 0x03
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/* task attribute */
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#define ATTR_UNTAGGED 0x00
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#define ATTR_SIMPLE 0x04
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#define ATTR_HEADOFQUEUE 0x05
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#define ATTR_ORDERED 0x06
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#define ATTR_ACA 0x07
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/* cdb type */
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#define TYPE_CMD 0x00
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#define TYPE_MSG 0x01
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/* Type defs used in the following structs */
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#define BYTE __u8
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#define WORD __u16
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#define HWORD __u16
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#define DWORD __u32
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#define CISS_MAX_LUN 1024
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#define LEVEL2LUN 1 /* index into Target(x) structure, due to byte swapping */
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#define LEVEL3LUN 0
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#pragma pack(1)
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/* Command List Structure */
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typedef union _SCSI3Addr_struct {
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struct {
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BYTE Dev;
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BYTE Bus:6;
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BYTE Mode:2; /* b00 */
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} PeripDev;
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struct {
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BYTE DevLSB;
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BYTE DevMSB:6;
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BYTE Mode:2; /* b01 */
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} LogDev;
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struct {
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BYTE Dev:5;
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BYTE Bus:3;
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BYTE Targ:6;
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BYTE Mode:2; /* b10 */
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} LogUnit;
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} SCSI3Addr_struct;
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typedef struct _PhysDevAddr_struct {
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DWORD TargetId:24;
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DWORD Bus:6;
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DWORD Mode:2;
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SCSI3Addr_struct Target[2]; /* 2 level target device addr */
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} PhysDevAddr_struct;
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typedef struct _LogDevAddr_struct {
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DWORD VolId:30;
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DWORD Mode:2;
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BYTE reserved[4];
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} LogDevAddr_struct;
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typedef union _LUNAddr_struct {
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BYTE LunAddrBytes[8];
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SCSI3Addr_struct SCSI3Lun[4];
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PhysDevAddr_struct PhysDev;
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LogDevAddr_struct LogDev;
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} LUNAddr_struct;
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typedef struct _RequestBlock_struct {
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BYTE CDBLen;
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struct {
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BYTE Type:3;
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BYTE Attribute:3;
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BYTE Direction:2;
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} Type;
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HWORD Timeout;
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BYTE CDB[16];
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} RequestBlock_struct;
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typedef union _MoreErrInfo_struct{
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struct {
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BYTE Reserved[3];
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BYTE Type;
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DWORD ErrorInfo;
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} Common_Info;
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struct{
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BYTE Reserved[2];
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BYTE offense_size; /* size of offending entry */
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BYTE offense_num; /* byte # of offense 0-base */
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DWORD offense_value;
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} Invalid_Cmd;
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} MoreErrInfo_struct;
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typedef struct _ErrorInfo_struct {
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BYTE ScsiStatus;
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BYTE SenseLen;
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HWORD CommandStatus;
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DWORD ResidualCnt;
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MoreErrInfo_struct MoreErrInfo;
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BYTE SenseInfo[SENSEINFOBYTES];
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} ErrorInfo_struct;
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#pragma pack()
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#endif /* CCISS_DEFS_H */
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