[PATCH 4/9] efi.h: Add allocation types for boottime->allocate_pages()

From: Matt Fleming
Date: Thu Aug 11 2011 - 07:01:28 EST


From: Matt Fleming <matt.fleming@xxxxxxxxxxxxxxx>

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@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx>
Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxxxxxxxx>
---
include/linux/efi.h | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/include/linux/efi.h b/include/linux/efi.h
index d10a639..cd28c7a 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);

/*
--
1.7.4.4

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