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- /*
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Van Jacobson of Lawrence Berkeley Laboratory.
- *
- * 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.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- * @(#)scsireg.h 7.3 (Berkeley) 2/5/91
- */
-
- /*
- * HP 98265A SCSI Interface Hardware Description.
- */
-
- struct scsidevice {
- u_char p0, scsi_id;
- #define ID_MASK 0x1f
- #define SCSI_ID 0x07
- #define ID_WORD_DMA 0x20
- u_char p2, scsi_csr;
- #define CSR_IE 0x80
- #define CSR_IR 0x40
- #define SCSI_IPL(csr) ((((csr)>>4)&3)+3)
- #define CSR_DMA32 0x08
- #define CSR_DMAIN 0x04
- #define CSR_DE1 0x02
- #define CSR_DE0 0x01
- u_char p4, scsi_wrap;
- #define WRAP_REQ 0x80
- #define WRAP_ACK 0x40
- #define WRAP_BSY 0x08
- #define WRAP_MSG 0x04
- #define WRAP_CD 0x02
- #define WRAP_IO 0x01
- u_char p6, scsi_hconf;
- #define HCONF_TP 0x80
- #define SCSI_SYNC_XFER(hconf) (((hconf)>>5)&3)
- #define HCONF_SD 0x10
- #define HCONF_PARITY 0x08
- u_char p8[24];
- u_char p32, scsi_bdid;
- u_char p34, scsi_sctl;
- #define SCTL_DISABLE 0x80
- #define SCTL_CTRLRST 0x40
- #define SCTL_DIAG 0x20
- #define SCTL_ABRT_ENAB 0x10
- #define SCTL_PARITY_ENAB 0x08
- #define SCTL_SEL_ENAB 0x04
- #define SCTL_RESEL_ENAB 0x02
- #define SCTL_INTR_ENAB 0x01
- u_char p36, scsi_scmd;
- #define SCMD_RST 0x10
- #define SCMD_ICPT_XFR 0x08
- #define SCMD_PROG_XFR 0x04
- #define SCMD_PAD 0x01 /* if initiator */
- #define SCMD_PERR_STOP 0x01 /* if target */
- /* command codes */
- #define SCMD_BUS_REL 0x00
- #define SCMD_SELECT 0x20
- #define SCMD_RST_ATN 0x40
- #define SCMD_SET_ATN 0x60
- #define SCMD_XFR 0x80
- #define SCMD_XFR_PAUSE 0xa0
- #define SCMD_RST_ACK 0xc0
- #define SCMD_SET_ACK 0xe0
- u_char p38, scsi_tmod;
- #define TMOD_SYNC 0x80
- u_char p40, scsi_ints;
- #define INTS_SEL 0x80
- #define INTS_RESEL 0x40
- #define INTS_DISCON 0x20
- #define INTS_CMD_DONE 0x10
- #define INTS_SRV_REQ 0x08
- #define INTS_TIMEOUT 0x04
- #define INTS_HARD_ERR 0x02
- #define INTS_RST 0x01
- u_char p42, scsi_psns;
- #define PSNS_REQ 0x80
- #define PSNS_ACK 0x40
- #define PSNS_ATN 0x20
- #define PSNS_SEL 0x10
- #define PSNS_BSY 0x08
- u_char p44, scsi_ssts;
- #define SSTS_INITIATOR 0x80
- #define SSTS_TARGET 0x40
- #define SSTS_BUSY 0x20
- #define SSTS_XFR 0x10
- #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR)
- #define SSTS_RST 0x08
- #define SSTS_TCZERO 0x04
- #define SSTS_DREG_FULL 0x02
- #define SSTS_DREG_EMPTY 0x01
- u_char p46, scsi_serr;
- #define SERR_SCSI_PAR 0x80
- #define SERR_SPC_PAR 0x40
- #define SERR_TC_PAR 0x08
- #define SERR_PHASE_ERR 0x04
- #define SERR_SHORT_XFR 0x02
- #define SERR_OFFSET 0x01
- u_char p48, scsi_pctl;
- #define PCTL_BFINT_ENAB 0x80
- u_char p50, scsi_mbc;
- u_char p52, scsi_dreg;
- u_char p54, scsi_temp;
- u_char p56, scsi_tch;
- u_char p58, scsi_tcm;
- u_char p60, scsi_tcl;
- u_char p62, scsi_exbf;
- };
-
- /* psns/pctl phase lines as bits */
- #define PHASE_MSG 0x04
- #define PHASE_CD 0x02 /* =1 if 'command' */
- #define PHASE_IO 0x01 /* =1 if data inbound */
- /* Phase lines as values */
- #define PHASE 0x07 /* mask for psns/pctl phase */
- #define DATA_OUT_PHASE 0x00
- #define DATA_IN_PHASE 0x01
- #define CMD_PHASE 0x02
- #define STATUS_PHASE 0x03
- #define BUS_FREE_PHASE 0x04
- #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */
- #define MESG_OUT_PHASE 0x06
- #define MESG_IN_PHASE 0x07
-
- /* SCSI Messages */
-
- #define MSG_CMD_COMPLETE 0x00
- #define MSG_EXT_MESSAGE 0x01
- #define MSG_SAVE_DATA_PTR 0x02
- #define MSG_RESTORE_PTR 0x03
- #define MSG_DISCONNECT 0x04
- #define MSG_INIT_DETECT_ERROR 0x05
- #define MSG_ABORT 0x06
- #define MSG_REJECT 0x07
- #define MSG_NOOP 0x08
- #define MSG_PARITY_ERROR 0x09
- #define MSG_BUS_DEVICE_RESET 0x0C
- #define MSG_IDENTIFY 0x80
- #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */
- #define MSG_SYNC_REQ 0x01
-
- /* SCSI Commands */
-
- #define CMD_TEST_UNIT_READY 0x00
- #define CMD_REQUEST_SENSE 0x03
- #define CMD_INQUIRY 0x12
- #define CMD_SEND_DIAGNOSTIC 0x1D
-
- #define CMD_REWIND 0x01
- #define CMD_FORMAT_UNIT 0x04
- #define CMD_READ_BLOCK_LIMITS 0x05
- #define CMD_REASSIGN_BLOCKS 0x07
- #define CMD_READ 0x08
- #define CMD_WRITE 0x0A
- #define CMD_WRITE_FILEMARK 0x10
- #define CMD_SPACE 0x11
- #define CMD_MODE_SELECT 0x15
- #define CMD_RELEASE_UNIT 0x17
- #define CMD_ERASE 0x19
- #define CMD_MODE_SENSE 0x1A
- #define CMD_LOADUNLOAD 0x1B
- #define CMD_RECEIVE_DIAG 0x1C
- #define CMD_SEND_DIAG 0x1D
- #define CMD_P_A_MEDIA_REMOVAL 0x1E
- #define CMD_READ_CAPACITY 0x25
- #define CMD_READ_EXT 0x28
- #define CMD_WRITE_EXT 0x2A
- #define CMD_READ_DEFECT_DATA 0x37
- #define SD_MANUFAC_DEFECTS 0x14000000
- #define SD_GROWN_DEFECTS 0x0c000000
- #define CMD_READ_BUFFER 0x3B
- #define CMD_WRITE_BUFFER 0x3C
- #define CMD_READ_FULL 0xF0
- #define CMD_MEDIA_TEST 0xF1
- #define CMD_ACCESS_LOG 0xF2
- #define CMD_WRITE_FULL 0xFC
- #define CMD_MANAGE_PRIMARY 0xFD
- #define CMD_EXECUTE_DATA 0xFE
-
- /* SCSI status bits */
-
- #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */
- #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */
- #define STS_BUSY 0x08
- #define STS_INTERMED 0x10 /* Intermediate status sent */
- #define STS_EXT 0x80 /* Extended status valid */
-
- /* command descriptor blocks */
-
- struct scsi_cdb6 {
- u_char cmd; /* command code */
- u_char lun: 3, /* logical unit on ctlr */
- lbah: 5; /* msb of read/write logical block addr */
- u_char lbam; /* middle byte of l.b.a. */
- u_char lbal; /* lsb of l.b.a. */
- u_char len; /* transfer length */
- u_char xtra;
- };
-
- struct scsi_cdb10 {
- u_char cmd; /* command code */
- u_char lun: 3, /* logical unit on ctlr */
- : 4,
- rel: 1; /* l.b.a. is relative addr if =1 */
- u_char lbah; /* msb of read/write logical block addr */
- u_char lbahm; /* high middle byte of l.b.a. */
- u_char lbalm; /* low middle byte of l.b.a. */
- u_char lbal; /* lsb of l.b.a. */
- u_char reserved;
- u_char lenh; /* msb transfer length */
- u_char lenl; /* lsb transfer length */
- u_char xtra;
- };
-
- /* basic sense data */
-
- struct scsi_sense {
- u_char valid: 1, /* l.b.a. is valid */
- class: 3,
- code: 4;
- u_char vu: 4, /* vendor unique */
- lbah: 4;
- u_char lbam;
- u_char lbal;
- };
-
- struct scsi_xsense {
- u_char valid: 1, /* l.b.a. is valid */
- class: 3,
- code: 4;
- u_char segment;
- u_char filemark: 1,
- eom: 1,
- ili: 1, /* illegal length indicator */
- rsvd: 1,
- key: 4;
- u_char info1;
- u_char info2;
- u_char info3;
- u_char info4;
- u_char len; /* additional sense length */
- };
-
- /* inquiry data */
- struct scsi_inquiry {
- u_char type;
- u_char qual;
- u_char version;
- u_char rsvd;
- u_char len;
- char class[3];
- char vendor_id[8];
- char product_id[16];
- char rev[4];
- };
-
- struct scsi_format_parms { /* physical BFI format */
- u_short reserved;
- u_short list_len;
- struct defect {
- unsigned cyl : 24;
- unsigned head : 8;
- long bytes_from_index;
- } defect[127];
- } format_parms;
-
- struct scsi_reassign_parms {
- u_short reserved;
- u_short list_len; /* length in bytes of defects only */
- struct new_defect {
- unsigned lba; /* logical block address */
- } new_defect[2];
- } reassign_parms;
-
- struct scsi_modesel_hdr {
- u_char rsvd1;
- u_char media_type;
- u_char rsvd2;
- u_char block_desc_len;
- u_int density : 8;
- u_int number_blocks :24;
- u_int rsvd3 : 8;
- u_int block_length :24;
- };
-
- struct scsi_modesense_hdr {
- u_char len;
- u_char media_type;
- u_char wp : 1;
- u_char rsvd1 : 7;
- u_char block_desc_len;
- u_int density : 8;
- u_int number_blocks :24;
- u_int rsvd2 : 8;
- u_int block_length :24;
- };
-
- /*
- * Mode Select / Mode sense "pages"
- */
-
- /*
- * Page One - Error Recovery Parameters
- */
- struct scsi_err_recovery {
- u_char page_savable : 1; /* save parameters */
- u_char reserved : 1;
- u_char page_code : 6; /* = 0x01 */
- u_char page_length; /* = 6 */
- u_char awre : 1; /* auto write realloc enabled */
- u_char arre : 1; /* auto read realloc enabled */
- u_char tb : 1; /* transfer block */
- u_char rc : 1; /* read continuous */
- u_char eec : 1; /* enable early correction */
- u_char per : 1; /* post error */
- u_char dte : 1; /* disable transfer on error */
- u_char dcr : 1; /* disable correction */
- u_char retry_count;
- u_char correction_span;
- u_char head_offset_count;
- u_char strobe_offset_count;
- u_char recovery_time_limit;
- };
-
- /*
- * Page Two - Disconnect / Reconnect Control Parameters
- */
- struct scsi_disco_reco {
- u_char page_savable : 1; /* save parameters */
- u_char rsvd : 1;
- u_char page_code : 6; /* = 0x02 */
- u_char page_length; /* = 10 */
- u_char buffer_full_ratio; /* write, how full before reconnect? */
- u_char buffer_empty_ratio; /* read, how full before reconnect? */
-
- u_short bus_inactivity_limit; /* how much bus time for busy */
- u_short disconnect_time_limit; /* min to remain disconnected */
- u_short connect_time_limit; /* min to remain connected */
- u_short reserved_1;
- };
-
- /*
- * Page Three - Direct Access Device Format Parameters
- */
- struct scsi_format {
- u_char page_savable : 1; /* save parameters */
- u_char rsvd : 1;
- u_char page_code : 6; /* = 0x03 */
- u_char page_length; /* = 22 */
- u_short tracks_per_zone; /* Handling of Defects Fields */
- u_short alt_sect_zone;
- u_short alt_tracks_zone;
- u_short alt_tracks_vol;
- u_short sect_track; /* Track Format Field */
- u_short data_sect; /* Sector Format Fields */
- u_short interleave;
- u_short track_skew_factor;
- u_short cyl_skew_factor;
- u_char ssec : 1; /* Drive Type Field */
- u_char hsec : 1;
- u_char rmb : 1;
- u_char surf : 1;
- u_char ins : 1;
- u_char reserved_1 : 3;
- u_char reserved_2;
- u_char reserved_3;
- u_char reserved_4;
- };
-
- /*
- * Page Four - Rigid Disk Drive Geometry Parameters
- */
- struct scsi_geometry {
- u_char page_savable : 1; /* save parameters */
- u_char rsvd : 1;
- u_char page_code : 6; /* = 0x04 */
- u_char page_length; /* = 18 */
- u_char cyl_ub; /* number of cylinders */
- u_char cyl_mb;
- u_char cyl_lb;
- u_char heads; /* number of heads */
- u_char precomp_cyl_ub; /* cylinder to start precomp */
- u_char precomp_cyl_mb;
- u_char precomp_cyl_lb;
- u_char current_cyl_ub; /* cyl to start reduced current */
- u_char current_cyl_mb;
- u_char current_cyl_lb;
- u_short step_rate; /* drive step rate */
- u_char landing_cyl_ub; /* landing zone cylinder */
- u_char landing_cyl_mb;
- u_char landing_cyl_lb;
- u_char reserved_1;
- u_char reserved_2;
- u_char reserved_3;
- };
-
- /*
- * Page 0x38 - Cache Control Parameters
- */
- struct scsi_cache {
- u_char page_savable : 1; /* save parameters */
- u_char rsvd : 1;
- u_char page_code : 6; /* = 0x38 */
- u_char page_length; /* = 14 */
- u_char rsvd_1 : 1;
- u_char wie : 1; /* write index enable */
- u_char rsvd_2 : 1;
- u_char ce : 1; /* cache enable */
- u_char table_size : 4;
- u_char prefetch_threshold;
- u_char maximum_threshold;
- u_char maximumprefetch_multiplier;
- u_char minimum_threshold;
- u_char minimum_prefetch_multiplier;
- u_char reserved[8];
- };
-
- /*
- * Driver ioctl's for various scsi operations.
- */
- #ifndef _IOCTL_
- #include "ioctl.h"
- #endif
-
- /*
- * Control for SCSI "format" mode.
- *
- * "Format" mode allows a privileged process to issue direct SCSI
- * commands to a drive (it is intended primarily to allow on-line
- * formatting). SDIOCSFORMAT with a non-zero arg will put the drive
- * into format mode; a zero arg will take it out. When in format
- * mode, only the process that issued the SDIOCFORMAT can read or
- * write the drive.
- *
- * In format mode, process is expected to
- * - do SDIOCSCSICOMMAND to supply cdb for next SCSI op
- * - do read or write as appropriate for cdb
- * - if i/o error, optionally do SDIOCSENSE to get completion
- * status and sense data from last scsi operation.
- */
-
- struct scsi_fmt_cdb {
- int len; /* cdb length (in bytes) */
- u_char cdb[28]; /* cdb to use on next read/write */
- };
-
- struct scsi_fmt_sense {
- u_int status; /* completion status of last op */
- u_char sense[28]; /* sense data (if any) from last op */
- };
-
- #define SDIOCSFORMAT _IOW('S', 0x1, int)
- #define SDIOCGFORMAT _IOR('S', 0x2, int)
- #define SDIOCSCSICOMMAND _IOW('S', 0x3, struct scsi_fmt_cdb)
- #define SDIOCSENSE _IOR('S', 0x4, struct scsi_fmt_sense)
-