[linux.git] / include / linux / cciss_defs.h

#ifndef CCISS_DEFS_H
#define CCISS_DEFS_H

#include <linux/types.h>

/* general boundary definitions */
#define SENSEINFOBYTES          32 /* note that this value may vary
				      between host implementations */

/* 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

/* Type defs used in the following structs */
#define BYTE __u8
#define WORD __u16
#define HWORD __u16
#define DWORD __u32

#define CISS_MAX_LUN	1024

#define LEVEL2LUN   1 /* index into Target(x) structure, due to byte swapping */
#define LEVEL3LUN   0

#pragma pack(1)

/* 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 _RequestBlock_struct {
  BYTE   CDBLen;
  struct {
    BYTE Type:3;
    BYTE Attribute:3;
    BYTE Direction:2;
  } Type;
  HWORD  Timeout;
  BYTE   CDB[16];
} RequestBlock_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;

#pragma pack()

#endif /* CCISS_DEFS_H */
Commit	Line	Data
429c42c9	1	#ifndef CCISS_DEFS_H
	2	#define CCISS_DEFS_H
	3
	4	#include <linux/types.h>
	5
	6	/* general boundary definitions */
	7	#define SENSEINFOBYTES 32 /* note that this value may vary
	8	between host implementations */
	9
	10	/* Command Status value */
	11	#define CMD_SUCCESS 0x0000
	12	#define CMD_TARGET_STATUS 0x0001
	13	#define CMD_DATA_UNDERRUN 0x0002
	14	#define CMD_DATA_OVERRUN 0x0003
	15	#define CMD_INVALID 0x0004
	16	#define CMD_PROTOCOL_ERR 0x0005
	17	#define CMD_HARDWARE_ERR 0x0006
	18	#define CMD_CONNECTION_LOST 0x0007
	19	#define CMD_ABORTED 0x0008
	20	#define CMD_ABORT_FAILED 0x0009
	21	#define CMD_UNSOLICITED_ABORT 0x000A
	22	#define CMD_TIMEOUT 0x000B
	23	#define CMD_UNABORTABLE 0x000C
	24
	25	/* transfer direction */
	26	#define XFER_NONE 0x00
	27	#define XFER_WRITE 0x01
	28	#define XFER_READ 0x02
	29	#define XFER_RSVD 0x03
	30
	31	/* task attribute */
	32	#define ATTR_UNTAGGED 0x00
	33	#define ATTR_SIMPLE 0x04
	34	#define ATTR_HEADOFQUEUE 0x05
	35	#define ATTR_ORDERED 0x06
	36	#define ATTR_ACA 0x07
	37
	38	/* cdb type */
	39	#define TYPE_CMD 0x00
	40	#define TYPE_MSG 0x01
	41
	42	/* Type defs used in the following structs */
	43	#define BYTE __u8
	44	#define WORD __u16
	45	#define HWORD __u16
	46	#define DWORD __u32
	47
	48	#define CISS_MAX_LUN 1024
	49
	50	#define LEVEL2LUN 1 /* index into Target(x) structure, due to byte swapping */
	51	#define LEVEL3LUN 0
	52
	53	#pragma pack(1)
	54
	55	/* Command List Structure */
	56	typedef union _SCSI3Addr_struct {
	57	struct {
	58	BYTE Dev;
	59	BYTE Bus:6;
	60	BYTE Mode:2; /* b00 */
	61	} PeripDev;
	62	struct {
	63	BYTE DevLSB;
	64	BYTE DevMSB:6;
65	BYTE Mode:2; /* b01 */
66	} LogDev;
67	struct {
68	BYTE Dev:5;
69	BYTE Bus:3;
70	BYTE Targ:6;
71	BYTE Mode:2; /* b10 */
72	} LogUnit;
73	} SCSI3Addr_struct;
74
75	typedef struct _PhysDevAddr_struct {
76	DWORD TargetId:24;
77	DWORD Bus:6;
78	DWORD Mode:2;
79	SCSI3Addr_struct Target[2]; /* 2 level target device addr */
80	} PhysDevAddr_struct;
81
82	typedef struct _LogDevAddr_struct {
83	DWORD VolId:30;
84	DWORD Mode:2;
85	BYTE reserved[4];
86	} LogDevAddr_struct;
87
88	typedef union _LUNAddr_struct {
89	BYTE LunAddrBytes[8];
90	SCSI3Addr_struct SCSI3Lun[4];
91	PhysDevAddr_struct PhysDev;
92	LogDevAddr_struct LogDev;
93	} LUNAddr_struct;
94
95	typedef struct _RequestBlock_struct {
96	BYTE CDBLen;
97	struct {
98	BYTE Type:3;
99	BYTE Attribute:3;
100	BYTE Direction:2;
101	} Type;
102	HWORD Timeout;
103	BYTE CDB[16];
104	} RequestBlock_struct;
105
106	typedef union _MoreErrInfo_struct{
107	struct {
108	BYTE Reserved[3];
109	BYTE Type;
110	DWORD ErrorInfo;
111	} Common_Info;
112	struct{
113	BYTE Reserved[2];
114	BYTE offense_size; /* size of offending entry */
115	BYTE offense_num; /* byte # of offense 0-base */
116	DWORD offense_value;
117	} Invalid_Cmd;
118	} MoreErrInfo_struct;
119	typedef struct _ErrorInfo_struct {
120	BYTE ScsiStatus;
121	BYTE SenseLen;
122	HWORD CommandStatus;
123	DWORD ResidualCnt;
124	MoreErrInfo_struct MoreErrInfo;
125	BYTE SenseInfo[SENSEINFOBYTES];
126	} ErrorInfo_struct;
127
128	#pragma pack()
129
130	#endif /* CCISS_DEFS_H */