1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef CCISS_DEFS_H 3*4882a593Smuzhiyun #define CCISS_DEFS_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun /* general boundary definitions */ 8*4882a593Smuzhiyun #define SENSEINFOBYTES 32 /* note that this value may vary 9*4882a593Smuzhiyun between host implementations */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* Command Status value */ 12*4882a593Smuzhiyun #define CMD_SUCCESS 0x0000 13*4882a593Smuzhiyun #define CMD_TARGET_STATUS 0x0001 14*4882a593Smuzhiyun #define CMD_DATA_UNDERRUN 0x0002 15*4882a593Smuzhiyun #define CMD_DATA_OVERRUN 0x0003 16*4882a593Smuzhiyun #define CMD_INVALID 0x0004 17*4882a593Smuzhiyun #define CMD_PROTOCOL_ERR 0x0005 18*4882a593Smuzhiyun #define CMD_HARDWARE_ERR 0x0006 19*4882a593Smuzhiyun #define CMD_CONNECTION_LOST 0x0007 20*4882a593Smuzhiyun #define CMD_ABORTED 0x0008 21*4882a593Smuzhiyun #define CMD_ABORT_FAILED 0x0009 22*4882a593Smuzhiyun #define CMD_UNSOLICITED_ABORT 0x000A 23*4882a593Smuzhiyun #define CMD_TIMEOUT 0x000B 24*4882a593Smuzhiyun #define CMD_UNABORTABLE 0x000C 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* transfer direction */ 27*4882a593Smuzhiyun #define XFER_NONE 0x00 28*4882a593Smuzhiyun #define XFER_WRITE 0x01 29*4882a593Smuzhiyun #define XFER_READ 0x02 30*4882a593Smuzhiyun #define XFER_RSVD 0x03 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* task attribute */ 33*4882a593Smuzhiyun #define ATTR_UNTAGGED 0x00 34*4882a593Smuzhiyun #define ATTR_SIMPLE 0x04 35*4882a593Smuzhiyun #define ATTR_HEADOFQUEUE 0x05 36*4882a593Smuzhiyun #define ATTR_ORDERED 0x06 37*4882a593Smuzhiyun #define ATTR_ACA 0x07 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* cdb type */ 40*4882a593Smuzhiyun #define TYPE_CMD 0x00 41*4882a593Smuzhiyun #define TYPE_MSG 0x01 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun /* Type defs used in the following structs */ 44*4882a593Smuzhiyun #define BYTE __u8 45*4882a593Smuzhiyun #define WORD __u16 46*4882a593Smuzhiyun #define HWORD __u16 47*4882a593Smuzhiyun #define DWORD __u32 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #define CISS_MAX_LUN 1024 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define LEVEL2LUN 1 /* index into Target(x) structure, due to byte swapping */ 52*4882a593Smuzhiyun #define LEVEL3LUN 0 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun #pragma pack(1) 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun /* Command List Structure */ 57*4882a593Smuzhiyun typedef union _SCSI3Addr_struct { 58*4882a593Smuzhiyun struct { 59*4882a593Smuzhiyun BYTE Dev; 60*4882a593Smuzhiyun BYTE Bus:6; 61*4882a593Smuzhiyun BYTE Mode:2; /* b00 */ 62*4882a593Smuzhiyun } PeripDev; 63*4882a593Smuzhiyun struct { 64*4882a593Smuzhiyun BYTE DevLSB; 65*4882a593Smuzhiyun BYTE DevMSB:6; 66*4882a593Smuzhiyun BYTE Mode:2; /* b01 */ 67*4882a593Smuzhiyun } LogDev; 68*4882a593Smuzhiyun struct { 69*4882a593Smuzhiyun BYTE Dev:5; 70*4882a593Smuzhiyun BYTE Bus:3; 71*4882a593Smuzhiyun BYTE Targ:6; 72*4882a593Smuzhiyun BYTE Mode:2; /* b10 */ 73*4882a593Smuzhiyun } LogUnit; 74*4882a593Smuzhiyun } SCSI3Addr_struct; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun typedef struct _PhysDevAddr_struct { 77*4882a593Smuzhiyun DWORD TargetId:24; 78*4882a593Smuzhiyun DWORD Bus:6; 79*4882a593Smuzhiyun DWORD Mode:2; 80*4882a593Smuzhiyun SCSI3Addr_struct Target[2]; /* 2 level target device addr */ 81*4882a593Smuzhiyun } PhysDevAddr_struct; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun typedef struct _LogDevAddr_struct { 84*4882a593Smuzhiyun DWORD VolId:30; 85*4882a593Smuzhiyun DWORD Mode:2; 86*4882a593Smuzhiyun BYTE reserved[4]; 87*4882a593Smuzhiyun } LogDevAddr_struct; 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun typedef union _LUNAddr_struct { 90*4882a593Smuzhiyun BYTE LunAddrBytes[8]; 91*4882a593Smuzhiyun SCSI3Addr_struct SCSI3Lun[4]; 92*4882a593Smuzhiyun PhysDevAddr_struct PhysDev; 93*4882a593Smuzhiyun LogDevAddr_struct LogDev; 94*4882a593Smuzhiyun } LUNAddr_struct; 95*4882a593Smuzhiyun 96*4882a593Smuzhiyun typedef struct _RequestBlock_struct { 97*4882a593Smuzhiyun BYTE CDBLen; 98*4882a593Smuzhiyun struct { 99*4882a593Smuzhiyun BYTE Type:3; 100*4882a593Smuzhiyun BYTE Attribute:3; 101*4882a593Smuzhiyun BYTE Direction:2; 102*4882a593Smuzhiyun } Type; 103*4882a593Smuzhiyun HWORD Timeout; 104*4882a593Smuzhiyun BYTE CDB[16]; 105*4882a593Smuzhiyun } RequestBlock_struct; 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun typedef union _MoreErrInfo_struct{ 108*4882a593Smuzhiyun struct { 109*4882a593Smuzhiyun BYTE Reserved[3]; 110*4882a593Smuzhiyun BYTE Type; 111*4882a593Smuzhiyun DWORD ErrorInfo; 112*4882a593Smuzhiyun } Common_Info; 113*4882a593Smuzhiyun struct{ 114*4882a593Smuzhiyun BYTE Reserved[2]; 115*4882a593Smuzhiyun BYTE offense_size; /* size of offending entry */ 116*4882a593Smuzhiyun BYTE offense_num; /* byte # of offense 0-base */ 117*4882a593Smuzhiyun DWORD offense_value; 118*4882a593Smuzhiyun } Invalid_Cmd; 119*4882a593Smuzhiyun } MoreErrInfo_struct; 120*4882a593Smuzhiyun typedef struct _ErrorInfo_struct { 121*4882a593Smuzhiyun BYTE ScsiStatus; 122*4882a593Smuzhiyun BYTE SenseLen; 123*4882a593Smuzhiyun HWORD CommandStatus; 124*4882a593Smuzhiyun DWORD ResidualCnt; 125*4882a593Smuzhiyun MoreErrInfo_struct MoreErrInfo; 126*4882a593Smuzhiyun BYTE SenseInfo[SENSEINFOBYTES]; 127*4882a593Smuzhiyun } ErrorInfo_struct; 128*4882a593Smuzhiyun 129*4882a593Smuzhiyun #pragma pack() 130*4882a593Smuzhiyun 131*4882a593Smuzhiyun #endif /* CCISS_DEFS_H */ 132