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1 | /* |
2 | * linux/include/linux/edd.h |
3 | * Copyright (C) 2002, 2003, 2004 Dell Inc. |
4 | * by Matt Domsch <Matt_Domsch@dell.com> |
5 | * |
6 | * structures and definitions for the int 13h, ax={41,48}h |
7 | * BIOS Enhanced Disk Drive Services |
8 | * This is based on the T13 group document D1572 Revision 0 (August 14 2002) |
9 | * available at http://www.t13.org/docs2002/d1572r0.pdf. It is |
10 | * very similar to D1484 Revision 3 http://www.t13.org/docs2002/d1484r3.pdf |
11 | * |
12 | * In a nutshell, arch/{i386,x86_64}/boot/setup.S populates a scratch |
13 | * table in the boot_params that contains a list of BIOS-enumerated |
14 | * boot devices. |
15 | * In arch/{i386,x86_64}/kernel/setup.c, this information is |
16 | * transferred into the edd structure, and in drivers/firmware/edd.c, that |
17 | * information is used to identify BIOS boot disk. The code in setup.S |
18 | * is very sensitive to the size of these structures. |
19 | * |
20 | * This program is free software; you can redistribute it and/or modify |
21 | * it under the terms of the GNU General Public License v2.0 as published by |
22 | * the Free Software Foundation |
23 | * |
24 | * This program is distributed in the hope that it will be useful, |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
27 | * GNU General Public License for more details. |
28 | * |
29 | */ |
30 | #ifndef _LINUX_EDD_H |
31 | #define _LINUX_EDD_H |
32 | |
33 | #include <uapi/linux/edd.h> |
34 | |
35 | #ifndef __ASSEMBLY__ |
36 | extern struct edd edd; |
37 | #endif /*!__ASSEMBLY__ */ |
38 | #endif /* _LINUX_EDD_H */ |
39 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9