/* $OpenBSD: scsireg.h,v 1.3 2003/06/02 23:27:45 millert Exp $ */ /* $NetBSD: scsireg.h,v 1.4 1994/10/26 07:24:59 cgd Exp $ */ /* * Copyright (c) 1990, 1993 * 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. 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 8.1 (Berkeley) 6/10/93 */ /* * 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_REZERO 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]; }; /* * 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)