From 9c97e0bdd4b4ae44577a1b1ec949e782084e9a78 Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Wed, 3 Sep 2014 13:32:19 +0200 Subject: [PATCH] efi: Add macro for EFI_MEMORY_UCE memory attribute Add the following macro from the UEFI spec, for completeness: EFI_MEMORY_UCE Memory cacheability attribute: The memory region supports being configured as not cacheable, exported, and supports the "fetch and add" semaphore mechanism. Signed-off-by: Laszlo Ersek Tested-by: Ard Biesheuvel Acked-by: Ard Biesheuvel Signed-off-by: Matt Fleming --- include/linux/efi.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/efi.h b/include/linux/efi.h index 4812ed0..7464032 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -92,6 +92,7 @@ typedef struct { #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */ #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */ #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */ +#define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */ #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */ #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */ #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */ -- 2.7.4