[352] | 1 | #ifndef _SCSI_SG_H
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| 2 | #define _SCSI_SG_H
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| 3 |
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| 4 | #define SG_DXFER_NONE -1
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| 5 | #define SG_DXFER_TO_DEV -2
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| 6 | #define SG_DXFER_FROM_DEV -3
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| 7 | #define SG_DXFER_TO_FROM_DEV -4
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| 8 | #define SG_FLAG_DIRECT_IO 1
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| 9 | #define SG_FLAG_LUN_INHIBIT 2
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| 10 | #define SG_FLAG_NO_DXFER 0x10000
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| 11 | #define SG_INFO_OK_MASK 0x1
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| 12 | #define SG_INFO_OK 0x0
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| 13 | #define SG_INFO_CHECK 0x1
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| 14 | #define SG_INFO_DIRECT_IO_MASK 0x6
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| 15 | #define SG_INFO_INDIRECT_IO 0x0
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| 16 | #define SG_INFO_DIRECT_IO 0x2
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| 17 | #define SG_INFO_MIXED_IO 0x4
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| 18 | #define SG_EMULATED_HOST 0x2203
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| 19 | #define SG_SET_TRANSFORM 0x2204
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| 20 | #define SG_GET_TRANSFORM 0x2205
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| 21 | #define SG_SET_RESERVED_SIZE 0x2275
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| 22 | #define SG_GET_RESERVED_SIZE 0x2272
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| 23 | #define SG_GET_SCSI_ID 0x2276
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| 24 | #define SG_SET_FORCE_LOW_DMA 0x2279
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| 25 | #define SG_GET_LOW_DMA 0x227a
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| 26 | #define SG_SET_FORCE_PACK_ID 0x227b
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| 27 | #define SG_GET_PACK_ID 0x227c
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| 28 | #define SG_GET_NUM_WAITING 0x227d
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| 29 | #define SG_GET_SG_TABLESIZE 0x227F
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| 30 | #define SG_GET_VERSION_NUM 0x2282
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| 31 | #define SG_SCSI_RESET 0x2284
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| 32 | #define SG_SCSI_RESET_NOTHING 0
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| 33 | #define SG_SCSI_RESET_DEVICE 1
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| 34 | #define SG_SCSI_RESET_BUS 2
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| 35 | #define SG_SCSI_RESET_HOST 3
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| 36 | #define SG_IO 0x2285
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| 37 | #define SG_GET_REQUEST_TABLE 0x2286
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| 38 | #define SG_SET_KEEP_ORPHAN 0x2287
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| 39 | #define SG_GET_KEEP_ORPHAN 0x2288
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| 40 | #define SG_SCATTER_SZ (8 * 4096)
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| 41 | #define SG_DEFAULT_RETRIES 1
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| 42 | #define SG_DEF_FORCE_LOW_DMA 0
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| 43 | #define SG_DEF_FORCE_PACK_ID 0
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| 44 | #define SG_DEF_KEEP_ORPHAN 0
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| 45 | #define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ
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| 46 | #define SG_MAX_QUEUE 16
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| 47 | #define SG_BIG_BUFF SG_DEF_RESERVED_SIZE
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| 48 | #define SG_MAX_SENSE 16
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| 49 | #define SG_SET_TIMEOUT 0x2201
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| 50 | #define SG_GET_TIMEOUT 0x2202
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| 51 | #define SG_GET_COMMAND_Q 0x2270
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| 52 | #define SG_SET_COMMAND_Q 0x2271
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| 53 | #define SG_SET_DEBUG 0x227e
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| 54 | #define SG_NEXT_CMD_LEN 0x2283
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| 55 | #define SG_DEFAULT_TIMEOUT (60*100) /* 60*HZ */
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| 56 | #define SG_DEF_COMMAND_Q 0
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| 57 | #define SG_DEF_UNDERRUN_FLAG 0
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| 58 |
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| 59 | typedef struct sg_iovec {
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| 60 | void *iov_base;
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| 61 | unsigned long iov_len;
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| 62 | } sg_iovec_t;
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| 63 |
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| 64 | typedef struct sg_io_hdr {
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| 65 | int interface_id;
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| 66 | int dxfer_direction;
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| 67 | unsigned char cmd_len;
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| 68 | unsigned char mx_sb_len;
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| 69 | unsigned short iovec_count;
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| 70 | unsigned dxfer_len;
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| 71 | void *dxferp;
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| 72 | unsigned char *cmdp;
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| 73 | unsigned char *sbp;
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| 74 | unsigned timeout;
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| 75 | unsigned flags;
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| 76 | int pack_id;
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| 77 | void *usr_ptr;
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| 78 | unsigned char status;
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| 79 | unsigned char masked_status;
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| 80 | unsigned char msg_status;
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| 81 | unsigned char sb_len_wr;
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| 82 | unsigned short host_status;
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| 83 | unsigned short driver_status;
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| 84 | int resid;
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| 85 | unsigned int duration;
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| 86 | unsigned int info;
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| 87 | } sg_io_hdr_t;
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| 88 |
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| 89 | struct sg_scsi_id {
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| 90 | int host_no;
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| 91 | int channel;
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| 92 | int scsi_id;
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| 93 | int lun;
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| 94 | int scsi_type;
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| 95 | short h_cmd_per_lun;
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| 96 | short d_queue_depth;
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| 97 | int unused[2];
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| 98 | };
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| 99 |
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| 100 | typedef struct sg_req_info {
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| 101 | char req_state;
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| 102 | char orphan;
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| 103 | char sg_io_owned;
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| 104 | char problem;
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| 105 | int pack_id;
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| 106 | void *usr_ptr;
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| 107 | unsigned duration;
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| 108 | int unused;
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| 109 | } sg_req_info_t;
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| 110 |
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| 111 | typedef struct sg_io_hdr Sg_io_hdr;
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| 112 | typedef struct sg_io_vec Sg_io_vec;
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| 113 | typedef struct sg_scsi_id Sg_scsi_id;
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| 114 | typedef struct sg_req_info Sg_req_info;
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| 115 |
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| 116 | struct sg_header {
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| 117 | int pack_len;
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| 118 | int reply_len;
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| 119 | int pack_id;
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| 120 | int result;
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| 121 | unsigned twelve_byte:1;
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| 122 | unsigned target_status:5;
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| 123 | unsigned host_status:8;
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| 124 | unsigned driver_status:8;
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| 125 | unsigned other_flags:10;
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| 126 | unsigned char sense_buffer[SG_MAX_SENSE];
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| 127 | };
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| 128 |
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| 129 | #endif
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