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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#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 */