209 lines
7.2 KiB
C
209 lines
7.2 KiB
C
/*-
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* Copyright (c) 2000,2001 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_ATA_H_
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#define _SYS_ATA_H_
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#include <sys/ioccom.h>
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/* ATA/ATAPI device parameter information */
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struct ata_params {
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u_int8_t cmdsize :2; /* packet command size */
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#define ATAPI_PSIZE_12 0 /* 12 bytes */
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#define ATAPI_PSIZE_16 1 /* 16 bytes */
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u_int8_t :3;
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u_int8_t drqtype :2; /* DRQ type */
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#define ATAPI_DRQT_MPROC 0 /* cpu 3 ms delay */
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#define ATAPI_DRQT_INTR 1 /* intr 10 ms delay */
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#define ATAPI_DRQT_ACCEL 2 /* accel 50 us delay */
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u_int8_t removable :1; /* device is removable */
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u_int8_t device_type :5; /* device type */
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#define ATAPI_TYPE_DIRECT 0 /* disk/floppy */
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#define ATAPI_TYPE_TAPE 1 /* streaming tape */
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#define ATAPI_TYPE_CDROM 5 /* CD-ROM device */
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#define ATAPI_TYPE_OPTICAL 7 /* optical disk */
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u_int8_t :1;
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u_int8_t proto :2; /* command protocol */
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#define ATAPI_PROTO_ATAPI 2
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u_int16_t cylinders; /* number of cylinders */
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u_int16_t reserved2;
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u_int16_t heads; /* # heads */
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u_int16_t unfbytespertrk; /* # unformatted bytes/track */
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u_int16_t unfbytes; /* # unformatted bytes/sector */
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u_int16_t sectors; /* # sectors/track */
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u_int16_t vendorunique0[3];
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u_int8_t serial[20]; /* serial number */
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u_int16_t buffertype; /* buffer type */
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#define ATA_BT_SINGLEPORTSECTOR 1 /* 1 port, 1 sector buffer */
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#define ATA_BT_DUALPORTMULTI 2 /* 2 port, mult sector buffer */
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#define ATA_BT_DUALPORTMULTICACHE 3 /* above plus track cache */
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u_int16_t buffersize; /* buf size, 512-byte units */
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u_int16_t necc; /* ecc bytes appended */
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u_int8_t revision[8]; /* firmware revision */
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u_int8_t model[40]; /* model name */
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u_int8_t nsecperint; /* sectors per interrupt */
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u_int8_t vendorunique1;
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u_int16_t usedmovsd; /* double word read/write? */
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u_int8_t vendorcap; /* vendor capabilities */
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u_int8_t dmaflag :1; /* DMA supported - always 1 */
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u_int8_t lbaflag :1; /* LBA supported - always 1 */
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u_int8_t iordydis :1; /* IORDY may be disabled */
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u_int8_t iordyflag :1; /* IORDY supported */
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u_int8_t softreset :1; /* needs softreset when busy */
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u_int8_t stdby_ovlap :1; /* standby/overlap supported */
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u_int8_t queueing :1; /* supports queuing overlap */
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u_int8_t idmaflag :1; /* interleaved DMA supported */
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u_int16_t capvalidate; /* validation for above */
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u_int8_t vendorunique3;
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u_int8_t opiomode; /* PIO modes 0-2 */
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u_int8_t vendorunique4;
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u_int8_t odmamode; /* old DMA modes, not ATA-3 */
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u_int16_t atavalid; /* fields valid */
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#define ATA_FLAG_54_58 1 /* words 54-58 valid */
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#define ATA_FLAG_64_70 2 /* words 64-70 valid */
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#define ATA_FLAG_88 4 /* word 88 valid */
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u_int16_t currcyls;
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u_int16_t currheads;
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u_int16_t currsectors;
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u_int16_t currsize0;
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u_int16_t currsize1;
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u_int8_t currmultsect;
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u_int8_t multsectvalid;
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u_int32_t lbasize;
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u_int16_t sdmamodes; /* singleword DMA modes */
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u_int16_t wdmamodes; /* multiword DMA modes */
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u_int16_t apiomodes; /* advanced PIO modes */
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u_int16_t mwdmamin; /* min. M/W DMA time/word ns */
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u_int16_t mwdmarec; /* rec. M/W DMA time ns */
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u_int16_t pioblind; /* min. PIO cycle w/o flow */
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u_int16_t pioiordy; /* min. PIO cycle IORDY flow */
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u_int16_t reserved69;
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u_int16_t reserved70;
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u_int16_t rlsovlap; /* rel time (us) for overlap */
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u_int16_t rlsservice; /* rel time (us) for service */
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u_int16_t reserved73;
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u_int16_t reserved74;
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u_int16_t queuelen:5;
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u_int16_t :11;
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u_int16_t reserved76;
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u_int16_t reserved77;
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u_int16_t reserved78;
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u_int16_t reserved79;
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u_int16_t versmajor;
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u_int16_t versminor;
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u_int16_t featsupp1; /* 82 */
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u_int16_t supmicrocode:1;
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u_int16_t supqueued:1;
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u_int16_t supcfa:1;
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u_int16_t supapm:1;
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u_int16_t suprmsn:1;
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u_int16_t :11;
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u_int16_t featsupp3; /* 84 */
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u_int16_t featenab1; /* 85 */
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u_int16_t enabmicrocode:1;
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u_int16_t enabqueued:1;
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u_int16_t enabcfa:1;
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u_int16_t enabapm:1;
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u_int16_t enabrmsn:1;
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u_int16_t :11;
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u_int16_t featenab3; /* 87 */
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u_int16_t udmamodes; /* UltraDMA modes */
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u_int16_t erasetime;
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u_int16_t enherasetime;
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u_int16_t apmlevel;
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u_int16_t masterpasswdrev;
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u_int16_t masterhwres :8;
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u_int16_t slavehwres :5;
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u_int16_t cblid :1;
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u_int16_t reserved93_1415 :2;
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u_int16_t reserved94[32];
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u_int16_t rmvstat;
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u_int16_t securstat;
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u_int16_t reserved129[30];
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u_int16_t cfapwrmode;
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u_int16_t reserved160[85];
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u_int16_t integrity;
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u_int16_t reserved246[10];
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};
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#define ATA_MODE_MASK 0x0f
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#define ATA_DMA_MASK 0xf0
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#define ATA_PIO 0x00
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#define ATA_PIO0 0x08
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#define ATA_PIO1 0x09
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#define ATA_PIO2 0x0a
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#define ATA_PIO3 0x0b
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#define ATA_PIO4 0x0c
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#define ATA_DMA 0x10
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#define ATA_WDMA 0x20
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#define ATA_WDMA2 0x22
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#define ATA_UDMA 0x40
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#define ATA_UDMA2 0x42
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#define ATA_UDMA4 0x44
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#define ATA_UDMA5 0x45
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struct ata_cmd {
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int channel;
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int cmd;
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#define ATAGPARM 1
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#define ATAGMODE 2
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#define ATASMODE 3
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#define ATAREINIT 4
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#define ATAATTACH 5
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#define ATADETACH 6
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union {
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struct {
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int mode[2];
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} mode;
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struct {
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int type[2];
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char name[2][32];
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struct ata_params params[2];
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} param;
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} u;
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};
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#define IOCATA _IOWR('a', 1, struct ata_cmd)
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#endif /* _SYS_ATA_H_ */
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