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| author | Laszlo Ersek <lersek@redhat.com> | 2014-09-03 13:32:19 +0200 |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2014-10-03 18:40:59 +0100 |
| commit | 9c97e0bdd4b4ae44577a1b1ec949e782084e9a78 (patch) | |
| tree | e88a6fd4dc6453e3a9fe4700278b45383ca6595c /include/linux/efi.h | |
| parent | a5a750a98fe2812263546cc20badd32bab21ec52 (diff) | |
| download | lwn-9c97e0bdd4b4ae44577a1b1ec949e782084e9a78.tar.gz lwn-9c97e0bdd4b4ae44577a1b1ec949e782084e9a78.zip | |
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 <lersek@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 4812ed0b0374..7464032ae00a 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 */ |