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Diffstat (limited to 'include/linux/iscsi_ibft.h')
-rw-r--r-- | include/linux/iscsi_ibft.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/iscsi_ibft.h b/include/linux/iscsi_ibft.h new file mode 100644 index 000000000000..6092487e2950 --- /dev/null +++ b/include/linux/iscsi_ibft.h | |||
@@ -0,0 +1,50 @@ | |||
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 */ | ||