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Annotation of sys/arch/i386/stand/libsa/biosdev.h, Revision 1.1.1.1

1.1       nbrk        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);