1 | #ifndef _SCSI_SG_H
|
---|
2 | #define _SCSI_SG_H
|
---|
3 |
|
---|
4 | #define SG_DXFER_NONE -1
|
---|
5 | #define SG_DXFER_TO_DEV -2
|
---|
6 | #define SG_DXFER_FROM_DEV -3
|
---|
7 | #define SG_DXFER_TO_FROM_DEV -4
|
---|
8 | #define SG_FLAG_DIRECT_IO 1
|
---|
9 | #define SG_FLAG_LUN_INHIBIT 2
|
---|
10 | #define SG_FLAG_NO_DXFER 0x10000
|
---|
11 | #define SG_INFO_OK_MASK 0x1
|
---|
12 | #define SG_INFO_OK 0x0
|
---|
13 | #define SG_INFO_CHECK 0x1
|
---|
14 | #define SG_INFO_DIRECT_IO_MASK 0x6
|
---|
15 | #define SG_INFO_INDIRECT_IO 0x0
|
---|
16 | #define SG_INFO_DIRECT_IO 0x2
|
---|
17 | #define SG_INFO_MIXED_IO 0x4
|
---|
18 | #define SG_EMULATED_HOST 0x2203
|
---|
19 | #define SG_SET_TRANSFORM 0x2204
|
---|
20 | #define SG_GET_TRANSFORM 0x2205
|
---|
21 | #define SG_SET_RESERVED_SIZE 0x2275
|
---|
22 | #define SG_GET_RESERVED_SIZE 0x2272
|
---|
23 | #define SG_GET_SCSI_ID 0x2276
|
---|
24 | #define SG_SET_FORCE_LOW_DMA 0x2279
|
---|
25 | #define SG_GET_LOW_DMA 0x227a
|
---|
26 | #define SG_SET_FORCE_PACK_ID 0x227b
|
---|
27 | #define SG_GET_PACK_ID 0x227c
|
---|
28 | #define SG_GET_NUM_WAITING 0x227d
|
---|
29 | #define SG_GET_SG_TABLESIZE 0x227F
|
---|
30 | #define SG_GET_VERSION_NUM 0x2282
|
---|
31 | #define SG_SCSI_RESET 0x2284
|
---|
32 | #define SG_SCSI_RESET_NOTHING 0
|
---|
33 | #define SG_SCSI_RESET_DEVICE 1
|
---|
34 | #define SG_SCSI_RESET_BUS 2
|
---|
35 | #define SG_SCSI_RESET_HOST 3
|
---|
36 | #define SG_IO 0x2285
|
---|
37 | #define SG_GET_REQUEST_TABLE 0x2286
|
---|
38 | #define SG_SET_KEEP_ORPHAN 0x2287
|
---|
39 | #define SG_GET_KEEP_ORPHAN 0x2288
|
---|
40 | #define SG_SCATTER_SZ (8 * 4096)
|
---|
41 | #define SG_DEFAULT_RETRIES 1
|
---|
42 | #define SG_DEF_FORCE_LOW_DMA 0
|
---|
43 | #define SG_DEF_FORCE_PACK_ID 0
|
---|
44 | #define SG_DEF_KEEP_ORPHAN 0
|
---|
45 | #define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ
|
---|
46 | #define SG_MAX_QUEUE 16
|
---|
47 | #define SG_BIG_BUFF SG_DEF_RESERVED_SIZE
|
---|
48 | #define SG_MAX_SENSE 16
|
---|
49 | #define SG_SET_TIMEOUT 0x2201
|
---|
50 | #define SG_GET_TIMEOUT 0x2202
|
---|
51 | #define SG_GET_COMMAND_Q 0x2270
|
---|
52 | #define SG_SET_COMMAND_Q 0x2271
|
---|
53 | #define SG_SET_DEBUG 0x227e
|
---|
54 | #define SG_NEXT_CMD_LEN 0x2283
|
---|
55 | #define SG_DEFAULT_TIMEOUT (60*100) /* 60*HZ */
|
---|
56 | #define SG_DEF_COMMAND_Q 0
|
---|
57 | #define SG_DEF_UNDERRUN_FLAG 0
|
---|
58 |
|
---|
59 | typedef struct sg_iovec {
|
---|
60 | void *iov_base;
|
---|
61 | unsigned long iov_len;
|
---|
62 | } sg_iovec_t;
|
---|
63 |
|
---|
64 | typedef struct sg_io_hdr {
|
---|
65 | int interface_id;
|
---|
66 | int dxfer_direction;
|
---|
67 | unsigned char cmd_len;
|
---|
68 | unsigned char mx_sb_len;
|
---|
69 | unsigned short iovec_count;
|
---|
70 | unsigned dxfer_len;
|
---|
71 | void *dxferp;
|
---|
72 | unsigned char *cmdp;
|
---|
73 | unsigned char *sbp;
|
---|
74 | unsigned timeout;
|
---|
75 | unsigned flags;
|
---|
76 | int pack_id;
|
---|
77 | void *usr_ptr;
|
---|
78 | unsigned char status;
|
---|
79 | unsigned char masked_status;
|
---|
80 | unsigned char msg_status;
|
---|
81 | unsigned char sb_len_wr;
|
---|
82 | unsigned short host_status;
|
---|
83 | unsigned short driver_status;
|
---|
84 | int resid;
|
---|
85 | unsigned int duration;
|
---|
86 | unsigned int info;
|
---|
87 | } sg_io_hdr_t;
|
---|
88 |
|
---|
89 | struct sg_scsi_id {
|
---|
90 | int host_no;
|
---|
91 | int channel;
|
---|
92 | int scsi_id;
|
---|
93 | int lun;
|
---|
94 | int scsi_type;
|
---|
95 | short h_cmd_per_lun;
|
---|
96 | short d_queue_depth;
|
---|
97 | int unused[2];
|
---|
98 | };
|
---|
99 |
|
---|
100 | typedef struct sg_req_info {
|
---|
101 | char req_state;
|
---|
102 | char orphan;
|
---|
103 | char sg_io_owned;
|
---|
104 | char problem;
|
---|
105 | int pack_id;
|
---|
106 | void *usr_ptr;
|
---|
107 | unsigned duration;
|
---|
108 | int unused;
|
---|
109 | } sg_req_info_t;
|
---|
110 |
|
---|
111 | typedef struct sg_io_hdr Sg_io_hdr;
|
---|
112 | typedef struct sg_io_vec Sg_io_vec;
|
---|
113 | typedef struct sg_scsi_id Sg_scsi_id;
|
---|
114 | typedef struct sg_req_info Sg_req_info;
|
---|
115 |
|
---|
116 | struct sg_header {
|
---|
117 | int pack_len;
|
---|
118 | int reply_len;
|
---|
119 | int pack_id;
|
---|
120 | int result;
|
---|
121 | unsigned twelve_byte:1;
|
---|
122 | unsigned target_status:5;
|
---|
123 | unsigned host_status:8;
|
---|
124 | unsigned driver_status:8;
|
---|
125 | unsigned other_flags:10;
|
---|
126 | unsigned char sense_buffer[SG_MAX_SENSE];
|
---|
127 | };
|
---|
128 |
|
---|
129 | #endif
|
---|