/*- * Copyright (c) 2000,2001 Søren Schmidt * 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. 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. 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 ``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 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. * * $FreeBSD$ */ #ifndef _SYS_ATA_H_ #define _SYS_ATA_H_ #include /* ATA/ATAPI device parameter information */ struct ata_params { u_int8_t cmdsize :2; /* packet command size */ #define ATAPI_PSIZE_12 0 /* 12 bytes */ #define ATAPI_PSIZE_16 1 /* 16 bytes */ u_int8_t :3; u_int8_t drqtype :2; /* DRQ type */ #define ATAPI_DRQT_MPROC 0 /* cpu 3 ms delay */ #define ATAPI_DRQT_INTR 1 /* intr 10 ms delay */ #define ATAPI_DRQT_ACCEL 2 /* accel 50 us delay */ u_int8_t removable :1; /* device is removable */ u_int8_t device_type :5; /* device type */ #define ATAPI_TYPE_DIRECT 0 /* disk/floppy */ #define ATAPI_TYPE_TAPE 1 /* streaming tape */ #define ATAPI_TYPE_CDROM 5 /* CD-ROM device */ #define ATAPI_TYPE_OPTICAL 7 /* optical disk */ u_int8_t :1; u_int8_t proto :2; /* command protocol */ #define ATAPI_PROTO_ATAPI 2 u_int16_t cylinders; /* number of cylinders */ u_int16_t reserved2; u_int16_t heads; /* # heads */ u_int16_t unfbytespertrk; /* # unformatted bytes/track */ u_int16_t unfbytes; /* # unformatted bytes/sector */ u_int16_t sectors; /* # sectors/track */ u_int16_t vendorunique0[3]; u_int8_t serial[20]; /* serial number */ u_int16_t buffertype; /* buffer type */ #define ATA_BT_SINGLEPORTSECTOR 1 /* 1 port, 1 sector buffer */ #define ATA_BT_DUALPORTMULTI 2 /* 2 port, mult sector buffer */ #define ATA_BT_DUALPORTMULTICACHE 3 /* above plus track cache */ u_int16_t buffersize; /* buf size, 512-byte units */ u_int16_t necc; /* ecc bytes appended */ u_int8_t revision[8]; /* firmware revision */ u_int8_t model[40]; /* model name */ u_int8_t nsecperint; /* sectors per interrupt */ u_int8_t vendorunique1; u_int16_t usedmovsd; /* double word read/write? */ u_int8_t vendorcap; /* vendor capabilities */ u_int8_t dmaflag :1; /* DMA supported - always 1 */ u_int8_t lbaflag :1; /* LBA supported - always 1 */ u_int8_t iordydis :1; /* IORDY may be disabled */ u_int8_t iordyflag :1; /* IORDY supported */ u_int8_t softreset :1; /* needs softreset when busy */ u_int8_t stdby_ovlap :1; /* standby/overlap supported */ u_int8_t queueing :1; /* supports queuing overlap */ u_int8_t idmaflag :1; /* interleaved DMA supported */ u_int16_t capvalidate; /* validation for above */ u_int8_t vendorunique3; u_int8_t opiomode; /* PIO modes 0-2 */ u_int8_t vendorunique4; u_int8_t odmamode; /* old DMA modes, not ATA-3 */ u_int16_t atavalid; /* fields valid */ #define ATA_FLAG_54_58 1 /* words 54-58 valid */ #define ATA_FLAG_64_70 2 /* words 64-70 valid */ #define ATA_FLAG_88 4 /* word 88 valid */ u_int16_t currcyls; u_int16_t currheads; u_int16_t currsectors; u_int16_t currsize0; u_int16_t currsize1; u_int8_t currmultsect; u_int8_t multsectvalid; u_int32_t lbasize; u_int16_t sdmamodes; /* singleword DMA modes */ u_int16_t wdmamodes; /* multiword DMA modes */ u_int16_t apiomodes; /* advanced PIO modes */ u_int16_t mwdmamin; /* min. M/W DMA time/word ns */ u_int16_t mwdmarec; /* rec. M/W DMA time ns */ u_int16_t pioblind; /* min. PIO cycle w/o flow */ u_int16_t pioiordy; /* min. PIO cycle IORDY flow */ u_int16_t reserved69; u_int16_t reserved70; u_int16_t rlsovlap; /* rel time (us) for overlap */ u_int16_t rlsservice; /* rel time (us) for service */ u_int16_t reserved73; u_int16_t reserved74; u_int16_t queuelen:5; u_int16_t :11; u_int16_t reserved76; u_int16_t reserved77; u_int16_t reserved78; u_int16_t reserved79; u_int16_t versmajor; u_int16_t versminor; u_int16_t featsupp1; /* 82 */ u_int16_t supmicrocode:1; u_int16_t supqueued:1; u_int16_t supcfa:1; u_int16_t supapm:1; u_int16_t suprmsn:1; u_int16_t :11; u_int16_t featsupp3; /* 84 */ u_int16_t featenab1; /* 85 */ u_int16_t enabmicrocode:1; u_int16_t enabqueued:1; u_int16_t enabcfa:1; u_int16_t enabapm:1; u_int16_t enabrmsn:1; u_int16_t :11; u_int16_t featenab3; /* 87 */ u_int16_t udmamodes; /* UltraDMA modes */ u_int16_t erasetime; u_int16_t enherasetime; u_int16_t apmlevel; u_int16_t masterpasswdrev; u_int16_t masterhwres :8; u_int16_t slavehwres :5; u_int16_t cblid :1; u_int16_t reserved93_1415 :2; u_int16_t reserved94[32]; u_int16_t rmvstat; u_int16_t securstat; u_int16_t reserved129[30]; u_int16_t cfapwrmode; u_int16_t reserved160[85]; u_int16_t integrity; u_int16_t reserved246[10]; }; #define ATA_MODE_MASK 0x0f #define ATA_DMA_MASK 0xf0 #define ATA_PIO 0x00 #define ATA_PIO0 0x08 #define ATA_PIO1 0x09 #define ATA_PIO2 0x0a #define ATA_PIO3 0x0b #define ATA_PIO4 0x0c #define ATA_DMA 0x10 #define ATA_WDMA 0x20 #define ATA_WDMA2 0x22 #define ATA_UDMA 0x40 #define ATA_UDMA2 0x42 #define ATA_UDMA4 0x44 #define ATA_UDMA5 0x45 struct ata_cmd { int channel; int cmd; #define ATAGPARM 1 #define ATAGMODE 2 #define ATASMODE 3 #define ATAREINIT 4 #define ATAATTACH 5 #define ATADETACH 6 union { struct { int mode[2]; } mode; struct { int type[2]; char name[2][32]; struct ata_params params[2]; } param; } u; }; #define IOCATA _IOWR('a', 1, struct ata_cmd) #endif /* _SYS_ATA_H_ */