1 /*	$OpenBSD: wdvar.h,v 1.11 2004/09/24 07:05:44 grange 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     daddr_t blkno; /* block addr */
52     daddr_t blkdone; /* number of blks transferred */
53     daddr_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     daddr_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_ */
87