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efi.h: Add allocation types for boottime->allocate_pages()

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Add the allocation types detailed in section 6.2 - "AllocatePages()"
of the UEFI 2.3 specification. These definitions will be used by the
x86 EFI boot stub which needs to allocate memory during boot.

Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1318848017-12301-1-git-send-email-matt@console-pimps.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Matt Fleming 2011-11-15 12:57:03 +00:00 committed by H. Peter Anvin
parent 8e84f345e2
commit bb05e4ba45
1 changed files with 8 additions and 0 deletions
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8
include/linux/efi.h
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@ -109,6 +109,14 @@ typedef struct {
u32 imagesize;
} efi_capsule_header_t;
/*
* Allocation types for calls to boottime->allocate_pages.
*/
#define EFI_ALLOCATE_ANY_PAGES 0
#define EFI_ALLOCATE_MAX_ADDRESS 1
#define EFI_ALLOCATE_ADDRESS 2
#define EFI_MAX_ALLOCATE_TYPE 3
typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg);
/*