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