1 /* $OpenBSD: wdvar.h,v 1.12 2007/06/06 17:15:13 deraadt 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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Manuel Bouyer.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35 #ifndef _DEV_ATA_WDVAR_H_
36 #define _DEV_ATA_WDVAR_H_
37
38 /* Params needed by the controller to perform an ATA bio */
39 struct ata_bio {
40 volatile u_int16_t flags; /* cmd flags */
41 #define ATA_NOSLEEP 0x0001 /* Can't sleep */
42 #define ATA_POLL 0x0002 /* poll for completion */
43 #define ATA_ITSDONE 0x0004 /* the transfer is as done as it gets */
44 #define ATA_SINGLE 0x0008 /* transfer has to be done in single-sector mode */
45 #define ATA_LBA 0x0010 /* transfer uses LBA addressing */
46 #define ATA_READ 0x0020 /* transfer is a read (otherwise a write) */
47 #define ATA_CORR 0x0040 /* transfer had a corrected error */
48 #define ATA_LBA48 0x0080 /* transfer uses 48-bit LBA addressing */
49 int multi; /* number of blocks to transfer in multi-mode */
50 struct disklabel *lp; /* pointer to drive's label info */
51 daddr64_t blkno; /* block addr */
52 daddr64_t blkdone; /* number of blks transferred */
53 daddr64_t nblks; /* number of block currently transfering */
54 int nbytes; /* number of bytes currently transfering */
55 long bcount; /* total number of bytes */
56 char *databuf; /* data buffer address */
57 volatile int error;
58 #define NOERROR 0 /* There was no error (r_error invalid) */
59 #define ERROR 1 /* check r_error */
60 #define ERR_DF 2 /* Drive fault */
61 #define ERR_DMA 3 /* DMA error */
62 #define TIMEOUT 4 /* device timed out */
63 #define ERR_NODEV 5 /* device bas been detached */
64 u_int8_t r_error; /* copy of error register */
65 daddr64_t badsect[127]; /* 126 plus trailing -1 marker */
66 struct wd_softc *wd;
67 };
68
69 /* drive states stored in ata_drive_datas */
70 #define RECAL 0
71 #define RECAL_WAIT 1
72 #define PIOMODE 2
73 #define PIOMODE_WAIT 3
74 #define DMAMODE 4
75 #define DMAMODE_WAIT 5
76 #define GEOMETRY 6
77 #define GEOMETRY_WAIT 7
78 #define MULTIMODE 8
79 #define MULTIMODE_WAIT 9
80 #define READY 10
81
82 int wdc_ata_bio(struct ata_drive_datas*, struct ata_bio*);
83
84 void wddone(void *);
85
86 #endif /* !_DEV_ATA_WDVAR_H_ */