diff options
Diffstat (limited to 'sys/cam/scsi/scsi_sg.h')
| -rw-r--r-- | sys/cam/scsi/scsi_sg.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/sys/cam/scsi/scsi_sg.h b/sys/cam/scsi/scsi_sg.h new file mode 100644 index 0000000..a9f7d03 --- /dev/null +++ b/sys/cam/scsi/scsi_sg.h @@ -0,0 +1,139 @@ +/* + * Structures and definitions for SCSI commands to the SG passthrough device. + * + * $FreeBSD$ + */ + +#ifndef _SCSI_SG_H +#define _SCSI_SG_H + +#define SGIOC '"' +#define SG_SET_TIMEOUT _IO(SGIOC, 0x01) +#define SG_GET_TIMEOUT _IO(SGIOC, 0x02) +#define SG_EMULATED_HOST _IO(SGIOC, 0x03) +#define SG_SET_TRANSFORM _IO(SGIOC, 0x04) +#define SG_GET_TRANSFORM _IO(SGIOC, 0x05) +#define SG_GET_COMMAND_Q _IO(SGIOC, 0x70) +#define SG_SET_COMMAND_Q _IO(SGIOC, 0x71) +#define SG_GET_RESERVED_SIZE _IO(SGIOC, 0x72) +#define SG_SET_RESERVED_SIZE _IO(SGIOC, 0x75) +#define SG_GET_SCSI_ID _IO(SGIOC, 0x76) +#define SG_SET_FORCE_LOW_DMA _IO(SGIOC, 0x79) +#define SG_GET_LOW_DMA _IO(SGIOC, 0x7a) +#define SG_SET_FORCE_PACK_ID _IO(SGIOC, 0x7b) +#define SG_GET_PACK_ID _IO(SGIOC, 0x7c) +#define SG_GET_NUM_WAITING _IO(SGIOC, 0x7d) +#define SG_SET_DEBUG _IO(SGIOC, 0x7e) +#define SG_GET_SG_TABLESIZE _IO(SGIOC, 0x7f) +#define SG_GET_VERSION_NUM _IO(SGIOC, 0x82) +#define SG_NEXT_CMD_LEN _IO(SGIOC, 0x83) +#define SG_SCSI_RESET _IO(SGIOC, 0x84) +#define SG_IO _IO(SGIOC, 0x85) +#define SG_GET_REQUEST_TABLE _IO(SGIOC, 0x86) +#define SG_SET_KEEP_ORPHAN _IO(SGIOC, 0x87) +#define SG_GET_KEEP_ORPHAN _IO(SGIOC, 0x88) +#define SG_GET_ACCESS_COUNT _IO(SGIOC, 0x89) + +struct sg_io_hdr { + int interface_id; + int dxfer_direction; + u_char cmd_len; + u_char mx_sb_len; + u_short iovec_count; + u_int dxfer_len; + void *dxferp; + u_char *cmdp; + u_char *sbp; + u_int timeout; + u_int flags; + int pack_id; + void *usr_ptr; + u_char status; + u_char masked_status; + u_char msg_status; + u_char sb_len_wr; + u_short host_status; + u_short driver_status; + int resid; + u_int duration; + u_int info; +}; + +#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_DXFER_UNKNOWN -5 + +#define SG_MAX_SENSE 16 +struct sg_header { + int pack_len; + int reply_len; + int pack_id; + int result; + u_int twelve_byte:1; + u_int target_status:5; + u_int host_status:8; + u_int driver_status:8; + u_int other_flags:10; + u_char sense_buffer[SG_MAX_SENSE]; +}; + +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]; +}; + +struct scsi_idlun { + uint32_t dev_id; + uint32_t host_unique_id; +}; + +/* + * Host codes + */ +#define DID_OK 0x00 /* OK */ +#define DID_NO_CONNECT 0x01 /* timeout during connect */ +#define DID_BUS_BUSY 0x02 /* timeout during command */ +#define DID_TIME_OUT 0x03 /* other timeout */ +#define DID_BAD_TARGET 0x04 /* bad target */ +#define DID_ABORT 0x05 /* abort */ +#define DID_PARITY 0x06 /* parity error */ +#define DID_ERROR 0x07 /* internal error */ +#define DID_RESET 0x08 /* reset by somebody */ +#define DID_BAD_INTR 0x09 /* unexpected interrupt */ +#define DID_PASSTHROUGH 0x0a /* passthrough */ +#define DID_SOFT_ERROR 0x0b /* low driver wants retry */ +#define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */ + +/* + * Driver codes + */ +#define DRIVER_OK 0x00 +#define DRIVER_BUSY 0x01 +#define DRIVER_SOFT 0x02 +#define DRIVER_MEDIA 0x03 +#define DRIVER_ERROR 0x04 + +#define DRIVER_INVALID 0x05 +#define DRIVER_TIMEOUT 0x06 +#define DRIVER_HARD 0x07 +#define DRIVER_SENSE 0x08 + +#define SUGGEST_RETRY 0x10 +#define SUGGEST_ABORT 0x20 +#define SUGGEST_REMAP 0x30 +#define SUGGEST_DIE 0x40 +#define SUGGEST_SENSE 0x80 +#define SUGGEST_IS_OK 0xff + +#define DRIVER_MASK 0x0f +#define SUGGEST_MASK 0xf0 + +#endif /* !_SCSI_SG_H */ |
