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authorMatt Fleming <matt.fleming@intel.com>2011-11-15 12:57:03 +0000
committerH. Peter Anvin <hpa@linux.intel.com>2011-12-09 17:35:44 -0800
commitbb05e4ba452ada7966fbced4e829aa029f546445 (patch)
tree975d0b460bcc0381a73d2f0777575d54e2165f35 /include/linux
parent8e84f345e2f2189a37492c77c566c7494b7b6b23 (diff)
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efi.h: Add allocation types for boottime->allocate_pages()
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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/efi.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index e35005f451db..378f2cd1f7c3 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -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);
/*
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