1 /* $NetBSD: xx.c,v 1.5 2022/04/25 15:12:07 mlelstv Exp $ */
2
3 /*
4 * Copyright (c) 2010 MINOURA Makoto.
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 WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/param.h>
29 #include <lib/libsa/stand.h>
30
31 #include "xxboot.h"
32 #include "iocs.h"
33
34 int
xxopen(struct open_file * f,...)35 xxopen(struct open_file *f, ...)
36 {
37
38 return 0;
39 }
40
41 int
xxclose(struct open_file * f)42 xxclose(struct open_file *f)
43 {
44
45 return 0;
46 }
47
48 int
xxstrategy(void * arg,int rw,daddr_t dblk,size_t size,void * buf,size_t * rsize)49 xxstrategy(void *arg, int rw, daddr_t dblk, size_t size,
50 void *buf, size_t *rsize)
51 {
52
53 /*
54 * dblk is (always?) in 512 bytes unit, even if CD (2048 byte/sect).
55 * size is in byte.
56 *
57 * On SCSI HD, the position specified in raw_read() (1st argument)
58 * counts from the beginning of the disk, not the beginning of the
59 * partition. On SCSI CD and floppy, SCSI_PARTTOP is zero.
60 */
61 #if defined(XXBOOT_DEBUG)
62 IOCS_B_PRINT("xxstrategy ");
63 print_hex(dblk, 8);
64 IOCS_B_PRINT(" len=");
65 print_hex(size, 8);
66 IOCS_B_PRINT("\r\n");
67 #endif
68 if (size != 0) {
69 raw_read((uint32_t)(SCSI_PARTTOP + dblk), (uint32_t)size, buf);
70 }
71 if (rsize)
72 *rsize = size;
73 return 0;
74 }
75
76 int
xxioctl(struct open_file * f,u_long cmd,void * data)77 xxioctl(struct open_file *f, u_long cmd, void *data)
78 {
79
80 return ENOTTY;
81 }
82
83