FreeBSD-5.3/sys/cam/scsi/scsi_sa.h
/*
* Structure and function declarations for the
* SCSI Sequential Access Peripheral driver for CAM.
*
* Copyright (c) 1999, 2000 Matthew Jacob
* 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.
*
* $FreeBSD: src/sys/cam/scsi/scsi_sa.h,v 1.9 2001/01/12 02:49:40 steve Exp $
*/
#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_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
#define SA_DATA_COMPRESSION_PAGE 0x0f /* SCSI-3 */
/*
* Mode page definitions.
*/
/* See SCSI-II spec 9.3.3.1 */
struct scsi_dev_conf_page {
u_int8_t pagecode; /* 0x10 */
u_int8_t pagelength; /* 0x0e */
u_int8_t byte2; /* CAP, CAF, Active Format */
u_int8_t active_partition;
u_int8_t wb_full_ratio;
u_int8_t rb_empty_ratio;
u_int8_t wrdelay_time[2];
u_int8_t byte8;
#define SA_DBR 0x80 /* data buffer recovery */
#define SA_BIS 0x40 /* block identifiers supported */
#define SA_RSMK 0x20 /* report setmarks */
#define SA_AVC 0x10 /* automatic velocity control */
#define SA_SOCF_MASK 0xc0 /* stop on consecutive formats */
#define SA_RBO 0x20 /* recover buffer order */
#define SA_REW 0x10 /* report early warning */
u_int8_t gap_size;
u_int8_t byte10;
u_int8_t ew_bufsize[3];
u_int8_t sel_comp_alg;
#define SA_COMP_NONE 0x00
#define SA_COMP_DEFAULT 0x01
/* the following is 'reserved' in SCSI-2 but is defined in SSC-r22 */
u_int8_t extra_wp;
#define SA_ASOC_WP 0x04 /* Associated Write Protect */
#define SA_PERS_WP 0x02 /* Persistent Write Protect */
#define SA_PERM_WP 0x01 /* Permanent Write Protect */
};
/* from SCSI-3: SSC-Rev10 (6/97) */
struct scsi_data_compression_page {
u_int8_t page_code; /* 0x0f */
u_int8_t page_length; /* 0x0e */
u_int8_t dce_and_dcc;
#define SA_DCP_DCE 0x80 /* Data compression enable */
#define SA_DCP_DCC 0x40 /* Data compression capable */
u_int8_t dde_and_red;
#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 comp_algorithm[4];
u_int8_t decomp_algorithm[4];
u_int8_t reserved[4];
};
typedef union {
struct { u_int8_t pagecode, pagelength; } hdr;
struct scsi_dev_conf_page dconf;
struct scsi_data_compression_page dcomp;
} sa_comp_t;
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
*/
#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
#define LOCATE 0x2B
#define READ_POSITION 0x34
/*
* Tape specific density codes- only enough of them here to recognize
* some specific older units so we can choose 2FM@EOD or FIXED blocksize
* quirks.
*/
#define SCSI_DENSITY_HALFINCH_800 0x01
#define SCSI_DENSITY_HALFINCH_1600 0x02
#define SCSI_DENSITY_HALFINCH_6250 0x03
#define SCSI_DENSITY_HALFINCH_6250C 0xC3 /* HP Compressed 6250 */
#define SCSI_DENSITY_QIC_11_4TRK 0x04
#define SCSI_DENSITY_QIC_11_9TRK 0x84 /* Vendor Unique Emulex */
#define SCSI_DENSITY_QIC_24 0x05
#define SCSI_DENSITY_HALFINCH_PE 0x06
#define SCSI_DENSITY_QIC_120 0x0f
#define SCSI_DENSITY_QIC_150 0x10
#define SCSI_DENSITY_QIC_525_320 0x11
#define SCSI_DENSITY_QIC_1320 0x12
#define SCSI_DENSITY_QIC_2GB 0x22
#define SCSI_DENSITY_QIC_4GB 0x26
#define SCSI_DENSITY_QIC_3080 0x29
__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);
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 */