Annotation of sys/dev/ata/wdvar.h, Revision 1.1.1.1
1.1 nbrk 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_ */
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