| Konrad Rzeszutek | 138fe4e | 2008-04-09 19:50:41 -0700 | [diff] [blame] | 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 */ |