/* * 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: scsi_sa.h,v 1.2 1998/12/17 19:04:18 mjacob Exp $ */ #ifndef _SCSI_SCSI_SA_H #define _SCSI_SCSI_SA_H 1 #include 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]; }; 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 __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 */