Commit | Line | Data |
---|---|---|
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 | ||
24 | struct ibft_table_header { | |
25 | char signature[4]; | |
26 | u32 length; | |
27 | u8 revision; | |
28 | u8 checksum; | |
29 | char oem_id[6]; | |
30 | char oem_table_id[8]; | |
31 | char reserved[24]; | |
32 | } __attribute__((__packed__)); | |
33 | ||
34 | /* | |
35 | * Logical location of iSCSI Boot Format Table. | |
36 | * If the value is NULL there is no iBFT on the machine. | |
37 | */ | |
38 | extern struct ibft_table_header *ibft_addr; | |
39 | ||
40 | /* | |
41 | * Routine used to find and reserve the iSCSI Boot Format Table. The | |
42 | * mapped address is set in the ibft_addr variable. | |
43 | */ | |
44 | #ifdef CONFIG_ISCSI_IBFT_FIND | |
45 | extern void __init reserve_ibft_region(void); | |
46 | #else | |
47 | static inline void reserve_ibft_region(void) { } | |
48 | #endif | |
49 | ||
50 | #endif /* ISCSI_IBFT_H */ |