1 /* $OpenBSD: biosdev.h,v 1.31 2007/04/27 10:08:34 tom Exp $ */
2
3 /*
4 * Copyright (c) 1996 Michael Shalayeff
5 * All rights reserved.
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
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30 /*
31 * Extension support bitmap definition (returned by 41h)
32 */
33 #define EXT_BM_EDA 0x01 /* Extended disk access functions */
34 /* (42h-44h, 47h and 48h) supported. */
35 #define EXT_BM_RDC 0x02 /* Removable drive controller functions */
36 /* (45h, 46h, 48h, 49h and INT 15 52h) */
37 /* supported. */
38 #define EXT_BM_EDD 0x04 /* Enhanced disk drive functions */
39 /* (48h and 4eh) supported. */
40 #define EXT_BM_RSV 0xf8 /* Reserved (0) */
41
42 struct consdev;
43 struct open_file;
44
45 /* biosdev.c */
46 extern const char *biosdevs[];
47 int biosstrategy(void *, int, daddr_t, size_t, void *, size_t *);
48 int biosopen(struct open_file *, ...);
49 int biosclose(struct open_file *);
50 int biosioctl(struct open_file *, u_long, void *);
51 int bios_getdiskinfo(int, bios_diskinfo_t *);
52 int biosd_io(int, bios_diskinfo_t *, daddr_t, int, void *);
53 const char * bios_getdisklabel(bios_diskinfo_t *, struct disklabel *);
54
55 /* diskprobe.c */
56 struct diskinfo *dklookup(int);
57 bios_diskinfo_t *bios_dklookup(int);
58
59 /* bioscons.c */
60 void pc_probe(struct consdev *);
61 void pc_init(struct consdev *);
62 int pc_getc(dev_t);
63 int pc_getshifts(dev_t);
64 void pc_putc(dev_t, int);
65 void pc_pollc(dev_t, int);
66 void com_probe(struct consdev *);
67 void com_init(struct consdev *);
68 int comspeed(dev_t, int);
69 int com_getc(dev_t);
70 void com_putc(dev_t, int);
71 void com_pollc(dev_t, int);