iPXE
null_sanboot.c
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1 /*
2  * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 #include <errno.h>
27 #include <ipxe/sanboot.h>
28 
29 static int null_san_hook ( unsigned int drive __unused,
30  struct uri **uris __unused,
31  unsigned int count __unused,
32  unsigned int flags __unused ) {
33  return -EOPNOTSUPP;
34 }
35 
36 static void null_san_unhook ( unsigned int drive __unused ) {
37  /* Do nothing */
38 }
39 
40 static int null_san_boot ( unsigned int drive __unused,
41  const char *filename __unused ) {
42  return -EOPNOTSUPP;
43 }
44 
45 static int null_san_describe ( void ) {
46  return -EOPNOTSUPP;
47 }
48 
int san_describe(void)
Describe SAN devices for SAN-booted operating system.
int san_hook(unsigned int drive, struct uri **uris, unsigned int count, unsigned int flags)
Hook SAN device.
int san_boot(unsigned int drive, const char *filename)
Attempt to boot from a SAN device.
Error codes.
static int null_san_describe(void)
Definition: null_sanboot.c:45
uint8_t drive
Drive number.
Definition: int13.h:16
static int null_san_hook(unsigned int drive __unused, struct uri **uris __unused, unsigned int count __unused, unsigned int flags __unused)
Definition: null_sanboot.c:29
PROVIDE_SANBOOT(null, san_hook, null_san_hook)
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
#define EOPNOTSUPP
Operation not supported on socket.
Definition: errno.h:604
static int null_san_boot(unsigned int drive __unused, const char *filename __unused)
Definition: null_sanboot.c:40
static void null_san_unhook(unsigned int drive __unused)
Definition: null_sanboot.c:36
#define __unused
Declare a variable or data structure as unused.
Definition: compiler.h:573
void san_unhook(unsigned int drive)
Unhook SAN device.
uint16_t count
Number of entries.
Definition: ena.h:22
A Uniform Resource Identifier.
Definition: uri.h:50
iPXE sanboot API
uint8_t flags
Flags.
Definition: ena.h:18