FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_sg.h
1 /*
2 * Structures and definitions for SCSI commands to the SG passthrough device.
3 *
4 * $FreeBSD: src/sys/cam/scsi/scsi_sg.h,v 1.2 2007/04/10 20:03:42 scottl Exp $
5 */
6
7 #ifndef _SCSI_SG_H
8 #define _SCSI_SG_H
9
10 #define SGIOC '"'
11 #define SG_SET_TIMEOUT _IO(SGIOC, 0x01)
12 #define SG_GET_TIMEOUT _IO(SGIOC, 0x02)
13 #define SG_EMULATED_HOST _IO(SGIOC, 0x03)
14 #define SG_SET_TRANSFORM _IO(SGIOC, 0x04)
15 #define SG_GET_TRANSFORM _IO(SGIOC, 0x05)
16 #define SG_GET_COMMAND_Q _IO(SGIOC, 0x70)
17 #define SG_SET_COMMAND_Q _IO(SGIOC, 0x71)
18 #define SG_GET_RESERVED_SIZE _IO(SGIOC, 0x72)
19 #define SG_SET_RESERVED_SIZE _IO(SGIOC, 0x75)
20 #define SG_GET_SCSI_ID _IO(SGIOC, 0x76)
21 #define SG_SET_FORCE_LOW_DMA _IO(SGIOC, 0x79)
22 #define SG_GET_LOW_DMA _IO(SGIOC, 0x7a)
23 #define SG_SET_FORCE_PACK_ID _IO(SGIOC, 0x7b)
24 #define SG_GET_PACK_ID _IO(SGIOC, 0x7c)
25 #define SG_GET_NUM_WAITING _IO(SGIOC, 0x7d)
26 #define SG_SET_DEBUG _IO(SGIOC, 0x7e)
27 #define SG_GET_SG_TABLESIZE _IO(SGIOC, 0x7f)
28 #define SG_GET_VERSION_NUM _IO(SGIOC, 0x82)
29 #define SG_NEXT_CMD_LEN _IO(SGIOC, 0x83)
30 #define SG_SCSI_RESET _IO(SGIOC, 0x84)
31 #define SG_IO _IO(SGIOC, 0x85)
32 #define SG_GET_REQUEST_TABLE _IO(SGIOC, 0x86)
33 #define SG_SET_KEEP_ORPHAN _IO(SGIOC, 0x87)
34 #define SG_GET_KEEP_ORPHAN _IO(SGIOC, 0x88)
35 #define SG_GET_ACCESS_COUNT _IO(SGIOC, 0x89)
36
37 struct sg_io_hdr {
38 int interface_id;
39 int dxfer_direction;
40 u_char cmd_len;
41 u_char mx_sb_len;
42 u_short iovec_count;
43 u_int dxfer_len;
44 void *dxferp;
45 u_char *cmdp;
46 u_char *sbp;
47 u_int timeout;
48 u_int flags;
49 int pack_id;
50 void *usr_ptr;
51 u_char status;
52 u_char masked_status;
53 u_char msg_status;
54 u_char sb_len_wr;
55 u_short host_status;
56 u_short driver_status;
57 int resid;
58 u_int duration;
59 u_int info;
60 };
61
62 #define SG_DXFER_NONE -1
63 #define SG_DXFER_TO_DEV -2
64 #define SG_DXFER_FROM_DEV -3
65 #define SG_DXFER_TO_FROM_DEV -4
66 #define SG_DXFER_UNKNOWN -5
67
68 #define SG_MAX_SENSE 16
69 struct sg_header {
70 int pack_len;
71 int reply_len;
72 int pack_id;
73 int result;
74 u_int twelve_byte:1;
75 u_int target_status:5;
76 u_int host_status:8;
77 u_int driver_status:8;
78 u_int other_flags:10;
79 u_char sense_buffer[SG_MAX_SENSE];
80 };
81
82 struct sg_scsi_id {
83 int host_no;
84 int channel;
85 int scsi_id;
86 int lun;
87 int scsi_type;
88 short h_cmd_per_lun;
89 short d_queue_depth;
90 int unused[2];
91 };
92
93 struct scsi_idlun {
94 uint32_t dev_id;
95 uint32_t host_unique_id;
96 };
97
98 /*
99 * Host codes
100 */
101 #define DID_OK 0x00 /* OK */
102 #define DID_NO_CONNECT 0x01 /* timeout during connect */
103 #define DID_BUS_BUSY 0x02 /* timeout during command */
104 #define DID_TIME_OUT 0x03 /* other timeout */
105 #define DID_BAD_TARGET 0x04 /* bad target */
106 #define DID_ABORT 0x05 /* abort */
107 #define DID_PARITY 0x06 /* parity error */
108 #define DID_ERROR 0x07 /* internal error */
109 #define DID_RESET 0x08 /* reset by somebody */
110 #define DID_BAD_INTR 0x09 /* unexpected interrupt */
111 #define DID_PASSTHROUGH 0x0a /* passthrough */
112 #define DID_SOFT_ERROR 0x0b /* low driver wants retry */
113 #define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */
114
115 /*
116 * Driver codes
117 */
118 #define DRIVER_OK 0x00
119 #define DRIVER_BUSY 0x01
120 #define DRIVER_SOFT 0x02
121 #define DRIVER_MEDIA 0x03
122 #define DRIVER_ERROR 0x04
123
124 #define DRIVER_INVALID 0x05
125 #define DRIVER_TIMEOUT 0x06
126 #define DRIVER_HARD 0x07
127 #define DRIVER_SENSE 0x08
128
129 #define SUGGEST_RETRY 0x10
130 #define SUGGEST_ABORT 0x20
131 #define SUGGEST_REMAP 0x30
132 #define SUGGEST_DIE 0x40
133 #define SUGGEST_SENSE 0x80
134 #define SUGGEST_IS_OK 0xff
135
136 #define DRIVER_MASK 0x0f
137 #define SUGGEST_MASK 0xf0
138
139 /* Other definitions */
140 /* HZ isn't always available, so simulate it */
141 #define SG_DEFAULT_HZ 1000
142 #define SG_DEFAULT_TIMEOUT (60*SG_DEFAULT_HZ)
143
144 #endif /* !_SCSI_SG_H */
145 Cache object: caf33aa347e5286abf144aaaad28a507
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