715ab2120d
accident. Remove the text describing the problem as it is no longer relevant. Also give real implementations for the GET and SET ioctls.
145 lines
3.5 KiB
C
145 lines
3.5 KiB
C
/*
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* Structures and definitions for SCSI commands to the SG passthrough device.
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*
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* $FreeBSD$
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*/
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#ifndef _SCSI_SG_H
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#define _SCSI_SG_H
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#define SGIOC '"'
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#define SG_SET_TIMEOUT _IO(SGIOC, 0x01)
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#define SG_GET_TIMEOUT _IO(SGIOC, 0x02)
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#define SG_EMULATED_HOST _IO(SGIOC, 0x03)
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#define SG_SET_TRANSFORM _IO(SGIOC, 0x04)
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#define SG_GET_TRANSFORM _IO(SGIOC, 0x05)
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#define SG_GET_COMMAND_Q _IO(SGIOC, 0x70)
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#define SG_SET_COMMAND_Q _IO(SGIOC, 0x71)
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#define SG_GET_RESERVED_SIZE _IO(SGIOC, 0x72)
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#define SG_SET_RESERVED_SIZE _IO(SGIOC, 0x75)
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#define SG_GET_SCSI_ID _IO(SGIOC, 0x76)
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#define SG_SET_FORCE_LOW_DMA _IO(SGIOC, 0x79)
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#define SG_GET_LOW_DMA _IO(SGIOC, 0x7a)
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#define SG_SET_FORCE_PACK_ID _IO(SGIOC, 0x7b)
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#define SG_GET_PACK_ID _IO(SGIOC, 0x7c)
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#define SG_GET_NUM_WAITING _IO(SGIOC, 0x7d)
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#define SG_SET_DEBUG _IO(SGIOC, 0x7e)
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#define SG_GET_SG_TABLESIZE _IO(SGIOC, 0x7f)
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#define SG_GET_VERSION_NUM _IO(SGIOC, 0x82)
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#define SG_NEXT_CMD_LEN _IO(SGIOC, 0x83)
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#define SG_SCSI_RESET _IO(SGIOC, 0x84)
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#define SG_IO _IO(SGIOC, 0x85)
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#define SG_GET_REQUEST_TABLE _IO(SGIOC, 0x86)
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#define SG_SET_KEEP_ORPHAN _IO(SGIOC, 0x87)
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#define SG_GET_KEEP_ORPHAN _IO(SGIOC, 0x88)
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#define SG_GET_ACCESS_COUNT _IO(SGIOC, 0x89)
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struct sg_io_hdr {
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int interface_id;
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int dxfer_direction;
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u_char cmd_len;
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u_char mx_sb_len;
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u_short iovec_count;
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u_int dxfer_len;
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void *dxferp;
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u_char *cmdp;
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u_char *sbp;
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u_int timeout;
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u_int flags;
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int pack_id;
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void *usr_ptr;
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u_char status;
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u_char masked_status;
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u_char msg_status;
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u_char sb_len_wr;
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u_short host_status;
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u_short driver_status;
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int resid;
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u_int duration;
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u_int info;
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};
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#define SG_DXFER_NONE -1
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#define SG_DXFER_TO_DEV -2
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#define SG_DXFER_FROM_DEV -3
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#define SG_DXFER_TO_FROM_DEV -4
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#define SG_DXFER_UNKNOWN -5
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#define SG_MAX_SENSE 16
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struct sg_header {
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int pack_len;
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int reply_len;
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int pack_id;
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int result;
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u_int twelve_byte:1;
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u_int target_status:5;
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u_int host_status:8;
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u_int driver_status:8;
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u_int other_flags:10;
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u_char sense_buffer[SG_MAX_SENSE];
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};
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struct sg_scsi_id {
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int host_no;
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int channel;
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int scsi_id;
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int lun;
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int scsi_type;
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short h_cmd_per_lun;
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short d_queue_depth;
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int unused[2];
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};
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struct scsi_idlun {
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uint32_t dev_id;
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uint32_t host_unique_id;
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};
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/*
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* Host codes
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*/
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#define DID_OK 0x00 /* OK */
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#define DID_NO_CONNECT 0x01 /* timeout during connect */
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#define DID_BUS_BUSY 0x02 /* timeout during command */
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#define DID_TIME_OUT 0x03 /* other timeout */
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#define DID_BAD_TARGET 0x04 /* bad target */
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#define DID_ABORT 0x05 /* abort */
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#define DID_PARITY 0x06 /* parity error */
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#define DID_ERROR 0x07 /* internal error */
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#define DID_RESET 0x08 /* reset by somebody */
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#define DID_BAD_INTR 0x09 /* unexpected interrupt */
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#define DID_PASSTHROUGH 0x0a /* passthrough */
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#define DID_SOFT_ERROR 0x0b /* low driver wants retry */
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#define DID_IMM_RETRY 0x0c /* retry without decreasing retrycnt */
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/*
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* Driver codes
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*/
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#define DRIVER_OK 0x00
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#define DRIVER_BUSY 0x01
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#define DRIVER_SOFT 0x02
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#define DRIVER_MEDIA 0x03
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#define DRIVER_ERROR 0x04
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#define DRIVER_INVALID 0x05
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#define DRIVER_TIMEOUT 0x06
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#define DRIVER_HARD 0x07
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#define DRIVER_SENSE 0x08
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#define SUGGEST_RETRY 0x10
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#define SUGGEST_ABORT 0x20
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#define SUGGEST_REMAP 0x30
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#define SUGGEST_DIE 0x40
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#define SUGGEST_SENSE 0x80
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#define SUGGEST_IS_OK 0xff
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#define DRIVER_MASK 0x0f
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#define SUGGEST_MASK 0xf0
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/* Other definitions */
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/* HZ isn't always available, so simulate it */
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#define SG_DEFAULT_HZ 1000
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#define SG_DEFAULT_TIMEOUT (60*SG_DEFAULT_HZ)
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#endif /* !_SCSI_SG_H */
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