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/*
* Structure and function declartaions for the
* SCSI Sequential Access Peripheral driver for CAM.
*
* Copyright (c) 1997 Justin T. Gibbs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
#ifndef _SCSI_SCSI_SA_H
#define _SCSI_SCSI_SA_H 1
#include <sys/cdefs.h>
struct scsi_read_block_limits
{
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[3];
u_int8_t control;
};
struct scsi_read_block_limits_data
{
u_int8_t gran;
#define RBL_GRAN_MASK 0x1F
#define RBL_GRAN(rblim) ((rblim)->gran & RBL_GRAN_MASK)
u_int8_t maximum[3];
u_int8_t minimum[2];
};
struct scsi_sa_rw
{
u_int8_t opcode;
u_int8_t sli_fixed;
#define SAR_SLI 0x02
#define SARW_FIXED 0x01
u_int8_t length[3];
u_int8_t control;
};
struct scsi_load_unload
{
u_int8_t opcode;
u_int8_t immediate;
#define SLU_IMMED 0x01
u_int8_t reserved[2];
u_int8_t eot_reten_load;
#define SLU_EOT 0x04
#define SLU_RETEN 0x02
#define SLU_LOAD 0x01
u_int8_t control;
};
struct scsi_rewind
{
u_int8_t opcode;
u_int8_t immediate;
#define SREW_IMMED 0x01
u_int8_t reserved[3];
u_int8_t control;
};
typedef enum {
SS_BLOCKS,
SS_FILEMARKS,
SS_SEQFILEMARKS,
SS_EOD,
SS_SETMARKS,
SS_SEQSETMARKS
} scsi_space_code;
struct scsi_space
{
u_int8_t opcode;
u_int8_t code;
#define SREW_IMMED 0x01
u_int8_t count[3];
u_int8_t control;
};
struct scsi_write_filemarks
{
u_int8_t opcode;
u_int8_t byte2;
#define SWFMRK_IMMED 0x01
#define SWFMRK_WSMK 0x02
u_int8_t num_marks[3];
u_int8_t control;
};
/*
* Reserve and release unit have the same exact cdb format, but different
* opcodes.
*/
struct scsi_reserve_release_unit
{
u_int8_t opcode;
u_int8_t lun_thirdparty;
#define SRRU_LUN_MASK 0xE0
#define SRRU_3RD_PARTY 0x10
#define SRRU_3RD_SHAMT 1
#define SRRU_3RD_MASK 0xE
u_int8_t reserved[3];
u_int8_t control;
};
/*
* Erase a tape
*/
struct scsi_erase
{
u_int8_t opcode;
u_int8_t lun_imm_long;
#define SE_LUN_MASK 0xE0
#define SE_LONG 0x1
#define SE_IMMED 0x2
u_int8_t reserved[3];
u_int8_t control;
};
/*
* Dev specific mode page masks.
*/
#define SMH_SA_WP 0x80
#define SMH_SA_BUF_MODE_MASK 0x70
#define SMH_SA_BUF_MODE_NOBUF 0x00
#define SMH_SA_BUF_MODE_SIBUF 0x10 /* Single-Initiator buffering */
#define SMH_SA_BUF_MODE_MIBUF 0x20 /* Multi-Initiator buffering */
#define SMH_SA_SPEED_MASK 0x0F
#define SMH_SA_SPEED_DEFAULT 0x00
/*
* Sequential-access specific mode page numbers.
*/
#define SA_DATA_COMPRESSION_PAGE 0x0f
#define SA_DEVICE_CONFIGURATION_PAGE 0x10
#define SA_MEDIUM_PARTITION_PAGE_1 0x11
#define SA_MEDIUM_PARTITION_PAGE_2 0x12
#define SA_MEDIUM_PARTITION_PAGE_3 0x13
#define SA_MEDIUM_PARTITION_PAGE_4 0x14
/*
* Mode page definitions.
*/
struct scsi_data_compression_page {
u_int8_t page_code;
u_int8_t page_length;
#define SA_DCP_DCE 0x80 /* Data compression enable */
#define SA_DCP_DCC 0x40 /* Data compression capable */
u_int8_t dce_and_dcc;
#define SA_DCP_DDE 0x80 /* Data decompression enable */
#define SA_DCP_RED_MASK 0x60 /* Report Exception on Decomp. */
#define SA_DCP_RED_SHAMT 5
#define SA_DCP_RED_0 0x00
#define SA_DCP_RED_1 0x20
#define SA_DCP_RED_2 0x40
u_int8_t dde_and_red;
u_int8_t comp_algorithm[4];
u_int8_t decomp_algorithm[4];
u_int8_t reserved[4];
};
/*
* Opcodes
*/
#define REWIND 0x01
#define READ_BLOCK_LIMITS 0x05
#define SA_READ 0x08
#define SA_WRITE 0x0A
#define WRITE_FILEMARKS 0x10
#define SPACE 0x11
#define RESERVE_UNIT 0x16
#define RELEASE_UNIT 0x17
#define ERASE 0x19
#define LOAD_UNLOAD 0x1B
__BEGIN_DECLS
void scsi_read_block_limits(struct ccb_scsiio *, u_int32_t,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t, struct scsi_read_block_limits_data *,
u_int8_t , u_int32_t);
void scsi_sa_read_write(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int readop, int sli,
int fixed, u_int32_t length, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int8_t sense_len,
u_int32_t timeout);
void scsi_rewind(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int immediate, u_int8_t sense_len,
u_int32_t timeout);
void scsi_space(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, scsi_space_code code,
u_int32_t count, u_int8_t sense_len, u_int32_t timeout);
void scsi_load_unload(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int immediate, int eot,
int reten, int load, u_int8_t sense_len,
u_int32_t timeout);
void scsi_write_filemarks(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int immediate, int setmark,
u_int32_t num_marks, u_int8_t sense_len,
u_int32_t timeout);
void scsi_reserve_release_unit(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *,
union ccb *), u_int8_t tag_action,
int third_party, int third_party_id,
u_int8_t sense_len, u_int32_t timeout,
int reserve);
void scsi_erase(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int8_t tag_action, int immediate, int long_erase,
u_int8_t sense_len, u_int32_t timeout);
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);
__END_DECLS
#endif /* _SCSI_SCSI_SA_H */
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