1 /* $OpenBSD: wdvar.h,v 1.21 2014/07/09 12:56:28 mpi Exp $ */ 2 /* $NetBSD: wdvar.h,v 1.3 1998/11/11 19:38:27 bouyer Exp $ */ 3 4 /* 5 * Copyright (c) 1998, 2001 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #ifndef _DEV_ATA_WDVAR_H_ 30 #define _DEV_ATA_WDVAR_H_ 31 32 /* Params needed by the controller to perform an ATA bio */ 33 struct ata_bio { 34 volatile u_int16_t flags; /* cmd flags */ 35 #define ATA_NOSLEEP 0x0001 /* Can't sleep */ 36 #define ATA_POLL 0x0002 /* poll for completion */ 37 #define ATA_ITSDONE 0x0004 /* the transfer is as done as it gets */ 38 #define ATA_SINGLE 0x0008 /* transfer has to be done in single-sector mode */ 39 #define ATA_LBA 0x0010 /* transfer uses LBA addressing */ 40 #define ATA_READ 0x0020 /* transfer is a read (otherwise a write) */ 41 #define ATA_CORR 0x0040 /* transfer had a corrected error */ 42 #define ATA_LBA48 0x0080 /* transfer uses 48-bit LBA addressing */ 43 int multi; /* number of blocks to transfer in multi-mode */ 44 struct disklabel *lp; /* pointer to drive's label info */ 45 daddr_t blkno; /* block addr */ 46 daddr_t blkdone; /* number of blks transferred */ 47 daddr_t nblks; /* number of block currently transferring */ 48 int nbytes; /* number of bytes currently transferring */ 49 long bcount; /* total number of bytes */ 50 char *databuf; /* data buffer address */ 51 volatile int error; 52 #define NOERROR 0 /* There was no error (r_error invalid) */ 53 #define ERROR 1 /* check r_error */ 54 #define ERR_DF 2 /* Drive fault */ 55 #define ERR_DMA 3 /* DMA error */ 56 #define TIMEOUT 4 /* device timed out */ 57 #define ERR_NODEV 5 /* device bas been detached */ 58 u_int8_t r_error; /* copy of error register */ 59 struct wd_softc *wd; 60 }; 61 62 struct wd_softc { 63 /* General disk infos */ 64 struct device sc_dev; 65 struct disk sc_dk; 66 struct bufq sc_bufq; 67 68 /* IDE disk soft states */ 69 struct ata_bio sc_wdc_bio; /* current transfer */ 70 struct buf *sc_bp; /* buf being transferred */ 71 struct ata_drive_datas *drvp; /* Our controller's infos */ 72 int openings; 73 struct ataparams sc_params;/* drive characteristics found */ 74 int sc_flags; 75 /* 76 * XXX Nothing resets this yet, but disk change sensing will when ATA-4 is 77 * more fully implemented. 78 */ 79 #define WDF_LOADED 0x10 /* parameters loaded */ 80 #define WDF_WAIT 0x20 /* waiting for resources */ 81 #define WDF_LBA 0x40 /* using LBA mode */ 82 #define WDF_LBA48 0x80 /* using 48-bit LBA mode */ 83 84 u_int64_t sc_capacity; 85 int cyl; /* actual drive parameters */ 86 int heads; 87 int sectors; 88 int retries; /* number of xfer retry */ 89 struct timeout sc_restart_timeout; 90 }; 91 92 /* drive states stored in ata_drive_datas */ 93 #define RECAL 0 94 #define RECAL_WAIT 1 95 #define PIOMODE 2 96 #define PIOMODE_WAIT 3 97 #define DMAMODE 4 98 #define DMAMODE_WAIT 5 99 #define GEOMETRY 6 100 #define GEOMETRY_WAIT 7 101 #define MULTIMODE 8 102 #define MULTIMODE_WAIT 9 103 #define READY 10 104 105 int wdc_ata_bio(struct ata_drive_datas*, struct ata_bio*); 106 int wd_hibernate_io(dev_t dev, daddr_t blkno, vaddr_t addr, size_t size, 107 int wr, void *page); 108 109 void wddone(void *); 110 111 #endif /* !_DEV_ATA_WDVAR_H_ */ 112