cciss_defs.h (3281B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef CCISS_DEFS_H 3#define CCISS_DEFS_H 4 5#include <linux/types.h> 6 7/* general boundary definitions */ 8#define SENSEINFOBYTES 32 /* note that this value may vary 9 between host implementations */ 10 11/* Command Status value */ 12#define CMD_SUCCESS 0x0000 13#define CMD_TARGET_STATUS 0x0001 14#define CMD_DATA_UNDERRUN 0x0002 15#define CMD_DATA_OVERRUN 0x0003 16#define CMD_INVALID 0x0004 17#define CMD_PROTOCOL_ERR 0x0005 18#define CMD_HARDWARE_ERR 0x0006 19#define CMD_CONNECTION_LOST 0x0007 20#define CMD_ABORTED 0x0008 21#define CMD_ABORT_FAILED 0x0009 22#define CMD_UNSOLICITED_ABORT 0x000A 23#define CMD_TIMEOUT 0x000B 24#define CMD_UNABORTABLE 0x000C 25 26/* transfer direction */ 27#define XFER_NONE 0x00 28#define XFER_WRITE 0x01 29#define XFER_READ 0x02 30#define XFER_RSVD 0x03 31 32/* task attribute */ 33#define ATTR_UNTAGGED 0x00 34#define ATTR_SIMPLE 0x04 35#define ATTR_HEADOFQUEUE 0x05 36#define ATTR_ORDERED 0x06 37#define ATTR_ACA 0x07 38 39/* cdb type */ 40#define TYPE_CMD 0x00 41#define TYPE_MSG 0x01 42 43/* Type defs used in the following structs */ 44#define BYTE __u8 45#define WORD __u16 46#define HWORD __u16 47#define DWORD __u32 48 49#define CISS_MAX_LUN 1024 50 51#define LEVEL2LUN 1 /* index into Target(x) structure, due to byte swapping */ 52#define LEVEL3LUN 0 53 54#pragma pack(1) 55 56/* Command List Structure */ 57typedef union _SCSI3Addr_struct { 58 struct { 59 BYTE Dev; 60 BYTE Bus:6; 61 BYTE Mode:2; /* b00 */ 62 } PeripDev; 63 struct { 64 BYTE DevLSB; 65 BYTE DevMSB:6; 66 BYTE Mode:2; /* b01 */ 67 } LogDev; 68 struct { 69 BYTE Dev:5; 70 BYTE Bus:3; 71 BYTE Targ:6; 72 BYTE Mode:2; /* b10 */ 73 } LogUnit; 74} SCSI3Addr_struct; 75 76typedef struct _PhysDevAddr_struct { 77 DWORD TargetId:24; 78 DWORD Bus:6; 79 DWORD Mode:2; 80 SCSI3Addr_struct Target[2]; /* 2 level target device addr */ 81} PhysDevAddr_struct; 82 83typedef struct _LogDevAddr_struct { 84 DWORD VolId:30; 85 DWORD Mode:2; 86 BYTE reserved[4]; 87} LogDevAddr_struct; 88 89typedef union _LUNAddr_struct { 90 BYTE LunAddrBytes[8]; 91 SCSI3Addr_struct SCSI3Lun[4]; 92 PhysDevAddr_struct PhysDev; 93 LogDevAddr_struct LogDev; 94} LUNAddr_struct; 95 96typedef struct _RequestBlock_struct { 97 BYTE CDBLen; 98 struct { 99 BYTE Type:3; 100 BYTE Attribute:3; 101 BYTE Direction:2; 102 } Type; 103 HWORD Timeout; 104 BYTE CDB[16]; 105} RequestBlock_struct; 106 107typedef union _MoreErrInfo_struct{ 108 struct { 109 BYTE Reserved[3]; 110 BYTE Type; 111 DWORD ErrorInfo; 112 } Common_Info; 113 struct{ 114 BYTE Reserved[2]; 115 BYTE offense_size; /* size of offending entry */ 116 BYTE offense_num; /* byte # of offense 0-base */ 117 DWORD offense_value; 118 } Invalid_Cmd; 119} MoreErrInfo_struct; 120typedef struct _ErrorInfo_struct { 121 BYTE ScsiStatus; 122 BYTE SenseLen; 123 HWORD CommandStatus; 124 DWORD ResidualCnt; 125 MoreErrInfo_struct MoreErrInfo; 126 BYTE SenseInfo[SENSEINFOBYTES]; 127} ErrorInfo_struct; 128 129#pragma pack() 130 131#endif /* CCISS_DEFS_H */