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efi: Use BIT_ULL() constants for memory attributes

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For legibility, use the existing BIT_ULL() to generate the u64 type EFI
memory attribute macros.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ard Biesheuvel 2025-02-01 18:21:36 +01:00
parent ba69e0750b
commit bbc4578537
1 changed files with 15 additions and 15 deletions
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30
include/linux/efi.h
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@ -114,22 +114,22 @@ typedef struct {
#define EFI_MAX_MEMORY_TYPE 16
/* Attribute values: */
#define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */
#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 */
#define EFI_MEMORY_NV ((u64)0x0000000000008000ULL) /* non-volatile */
#define EFI_MEMORY_MORE_RELIABLE \
((u64)0x0000000000010000ULL) /* higher reliability */
#define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */
#define EFI_MEMORY_SP ((u64)0x0000000000040000ULL) /* soft reserved */
#define EFI_MEMORY_CPU_CRYPTO ((u64)0x0000000000080000ULL) /* supports encryption */
#define EFI_MEMORY_UC BIT_ULL(0) /* uncached */
#define EFI_MEMORY_WC BIT_ULL(1) /* write-coalescing */
#define EFI_MEMORY_WT BIT_ULL(2) /* write-through */
#define EFI_MEMORY_WB BIT_ULL(3) /* write-back */
#define EFI_MEMORY_UCE BIT_ULL(4) /* uncached, exported */
#define EFI_MEMORY_WP BIT_ULL(12) /* write-protect */
#define EFI_MEMORY_RP BIT_ULL(13) /* read-protect */
#define EFI_MEMORY_XP BIT_ULL(14) /* execute-protect */
#define EFI_MEMORY_NV BIT_ULL(15) /* non-volatile */
#define EFI_MEMORY_MORE_RELIABLE BIT_ULL(16) /* higher reliability */
#define EFI_MEMORY_RO BIT_ULL(17) /* read-only */
#define EFI_MEMORY_SP BIT_ULL(18) /* soft reserved */
#define EFI_MEMORY_CPU_CRYPTO BIT_ULL(19) /* supports encryption */
#define EFI_MEMORY_HOT_PLUGGABLE BIT_ULL(20) /* supports unplugging at runtime */
#define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */
#define EFI_MEMORY_RUNTIME BIT_ULL(63) /* range requires runtime mapping */
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
#define EFI_PAGE_SHIFT 12