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freebsd_amp_hwpstate
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Add structures and function definitions pertinent for hardware locate support.

This commit is contained in:
Matt Jacob 1998-12-18 04:29:16 +00:00
parent c83e7c5041
commit d902101e8e
1 changed files with 51 additions and 1 deletions
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52
sys/cam/scsi/scsi_sa.h
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: scsi_sa.h,v 1.1 1998/09/15 06:36:34 gibbs Exp $
* $Id: scsi_sa.h,v 1.2 1998/12/17 19:04:18 mjacob Exp $
*/
#ifndef _SCSI_SCSI_SA_H
@ -184,6 +184,43 @@ struct scsi_data_compression_page {
u_int8_t reserved[4];
};
struct scsi_tape_read_position {
u_int8_t opcode; /* READ_POSITION */
u_int8_t byte1; /* set LSB to read hardware block pos */
u_int8_t reserved[8];
};
struct scsi_tape_position_data { /* Short Form */
u_int8_t flags;
#define SA_RPOS_BOP 0x80 /* Beginning of Partition */
#define SA_RPOS_EOP 0x40 /* End of Partition */
#define SA_RPOS_BCU 0x20 /* Block Count Unknown (SCSI3) */
#define SA_RPOS_BYCU 0x10 /* Byte Count Unknown (SCSI3) */
#define SA_RPOS_BPU 0x04 /* Block Position Unknown */
#define SA_RPOS_PERR 0x02 /* Position Error (SCSI3) */
#define SA_RPOS_UNCERTAIN SA_RPOS_BPU
u_int8_t partition;
u_int8_t reserved[2];
u_int8_t firstblk[4];
u_int8_t lastblk[4];
u_int8_t reserved2;
u_int8_t nbufblk[3];
u_int8_t nbufbyte[4];
};
struct scsi_tape_locate {
u_int8_t opcode;
u_int8_t byte1;
#define SA_SPOS_IMMED 0x01
#define SA_SPOS_CP 0x02
#define SA_SPOS_BT 0x04
u_int8_t reserved1;
u_int8_t blkaddr[4];
u_int8_t reserved2;
u_int8_t partition;
u_int8_t control;
};
/*
* Opcodes
*/
@ -197,6 +234,8 @@ struct scsi_data_compression_page {
#define RELEASE_UNIT 0x17
#define ERASE 0x19
#define LOAD_UNLOAD 0x1B
#define LOCATE 0x2B
#define READ_POSITION 0x34
/*
* Tape specific density codes- only enough of them here to recognize
@ -265,6 +304,17 @@ void scsi_data_comp_page(struct scsi_data_compression_page *page,
u_int8_t dce, u_int8_t dde, u_int8_t red,
u_int32_t comp_algorithm,
u_int32_t decomp_algorithm);
void scsi_read_position(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int hardsoft,
struct scsi_tape_position_data *sbp,
u_int8_t sense_len, u_int32_t timeout);
void scsi_set_position(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int hardsoft, u_int32_t blkno,
u_int8_t sense_len, u_int32_t timeout);
__END_DECLS
#endif /* _SCSI_SCSI_SA_H */