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#ifndef _SCSI_SG_H #define _SCSI_SG_H #define SG_DXFER_NONE -1 #define SG_DXFER_TO_DEV -2 #define SG_DXFER_FROM_DEV -3 #define SG_DXFER_TO_FROM_DEV -4 #define SG_FLAG_DIRECT_IO 1 #define SG_FLAG_LUN_INHIBIT 2 #define SG_FLAG_NO_DXFER 0x10000 #define SG_INFO_OK_MASK 0x1 #define SG_INFO_OK 0x0 #define SG_INFO_CHECK 0x1 #define SG_INFO_DIRECT_IO_MASK 0x6 #define SG_INFO_INDIRECT_IO 0x0 #define SG_INFO_DIRECT_IO 0x2 #define SG_INFO_MIXED_IO 0x4 #define SG_EMULATED_HOST 0x2203 #define SG_SET_TRANSFORM 0x2204 #define SG_GET_TRANSFORM 0x2205 #define SG_SET_RESERVED_SIZE 0x2275 #define SG_GET_RESERVED_SIZE 0x2272 #define SG_GET_SCSI_ID 0x2276 #define SG_SET_FORCE_LOW_DMA 0x2279 #define SG_GET_LOW_DMA 0x227a #define SG_SET_FORCE_PACK_ID 0x227b #define SG_GET_PACK_ID 0x227c #define SG_GET_NUM_WAITING 0x227d #define SG_GET_SG_TABLESIZE 0x227F #define SG_GET_VERSION_NUM 0x2282 #define SG_SCSI_RESET 0x2284 #define SG_SCSI_RESET_NOTHING 0 #define SG_SCSI_RESET_DEVICE 1 #define SG_SCSI_RESET_BUS 2 #define SG_SCSI_RESET_HOST 3 #define SG_IO 0x2285 #define SG_GET_REQUEST_TABLE 0x2286 #define SG_SET_KEEP_ORPHAN 0x2287 #define SG_GET_KEEP_ORPHAN 0x2288 #define SG_SCATTER_SZ (8 * 4096) #define SG_DEFAULT_RETRIES 1 #define SG_DEF_FORCE_LOW_DMA 0 #define SG_DEF_FORCE_PACK_ID 0 #define SG_DEF_KEEP_ORPHAN 0 #define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ #define SG_MAX_QUEUE 16 #define SG_BIG_BUFF SG_DEF_RESERVED_SIZE #define SG_MAX_SENSE 16 #define SG_SET_TIMEOUT 0x2201 #define SG_GET_TIMEOUT 0x2202 #define SG_GET_COMMAND_Q 0x2270 #define SG_SET_COMMAND_Q 0x2271 #define SG_SET_DEBUG 0x227e #define SG_NEXT_CMD_LEN 0x2283 #define SG_DEFAULT_TIMEOUT (60*100) /* 60*HZ */ #define SG_DEF_COMMAND_Q 0 #define SG_DEF_UNDERRUN_FLAG 0 typedef struct sg_iovec { void *iov_base; unsigned long iov_len; } sg_iovec_t; typedef struct sg_io_hdr { int interface_id; int dxfer_direction; unsigned char cmd_len; unsigned char mx_sb_len; unsigned short iovec_count; unsigned dxfer_len; void *dxferp; unsigned char *cmdp; unsigned char *sbp; unsigned timeout; unsigned flags; int pack_id; void *usr_ptr; unsigned char status; unsigned char masked_status; unsigned char msg_status; unsigned char sb_len_wr; unsigned short host_status; unsigned short driver_status; int resid; unsigned int duration; unsigned int info; } sg_io_hdr_t; struct sg_scsi_id { int host_no; int channel; int scsi_id; int lun; int scsi_type; short h_cmd_per_lun; short d_queue_depth; int unused[2]; }; typedef struct sg_req_info { char req_state; char orphan; char sg_io_owned; char problem; int pack_id; void *usr_ptr; unsigned duration; int unused; } sg_req_info_t; typedef struct sg_io_hdr Sg_io_hdr; typedef struct sg_io_vec Sg_io_vec; typedef struct sg_scsi_id Sg_scsi_id; typedef struct sg_req_info Sg_req_info; struct sg_header { int pack_len; int reply_len; int pack_id; int result; unsigned twelve_byte:1; unsigned target_status:5; unsigned host_status:8; unsigned driver_status:8; unsigned other_flags:10; unsigned char sense_buffer[SG_MAX_SENSE]; }; #endif