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138fe4e0 KR |
1 | /* |
2 | * Copyright 2007 Red Hat, Inc. | |
3 | * by Peter Jones <pjones@redhat.com> | |
4 | * Copyright 2007 IBM, Inc. | |
5 | * by Konrad Rzeszutek <konradr@linux.vnet.ibm.com> | |
6 | * Copyright 2008 | |
7 | * by Konrad Rzeszutek <ketuzsezr@darnok.org> | |
8 | * | |
9 | * This code exposes the iSCSI Boot Format Table to userland via sysfs. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License v2.0 as published by | |
13 | * the Free Software Foundation | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | */ | |
20 | ||
21 | #ifndef ISCSI_IBFT_H | |
22 | #define ISCSI_IBFT_H | |
23 | ||
4e639fdf | 24 | #include <acpi/acpi.h> |
138fe4e0 KR |
25 | |
26 | /* | |
27 | * Logical location of iSCSI Boot Format Table. | |
28 | * If the value is NULL there is no iBFT on the machine. | |
29 | */ | |
4e639fdf | 30 | extern struct acpi_table_ibft *ibft_addr; |
138fe4e0 KR |
31 | |
32 | /* | |
33 | * Routine used to find and reserve the iSCSI Boot Format Table. The | |
34 | * mapped address is set in the ibft_addr variable. | |
35 | */ | |
36 | #ifdef CONFIG_ISCSI_IBFT_FIND | |
042be38e | 37 | unsigned long find_ibft_region(unsigned long *sizep); |
138fe4e0 | 38 | #else |
042be38e YL |
39 | static inline unsigned long find_ibft_region(unsigned long *sizep) |
40 | { | |
41 | *sizep = 0; | |
42 | return 0; | |
43 | } | |
138fe4e0 KR |
44 | #endif |
45 | ||
46 | #endif /* ISCSI_IBFT_H */ |