From c3a40cce2a9765de6776e2c099d59879e49dfe4b Mon Sep 17 00:00:00 2001 From: Eugeniu Rosca Date: Sat, 14 Jul 2018 22:53:31 +0200 Subject: [PATCH] efi: Add EFI_MEMORY_{NV, MORE_RELIABLE, RO} attributes With this update, the memory attributes are in sync with Linux kernel v4.18-rc4. They also match page 190 of UEFI 2.7 spec [1]. [1] http://www.uefi.org/sites/default/files/resources/UEFI_Spec_2_7.pdf Suggested-by: Heinrich Schuchardt Signed-off-by: Eugeniu Rosca Reviewed-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- cmd/efi.c | 3 +++ include/efi.h | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/cmd/efi.c b/cmd/efi.c index 92a565f713..366a79a964 100644 --- a/cmd/efi.c +++ b/cmd/efi.c @@ -39,6 +39,9 @@ static struct attr_info { { EFI_MEMORY_WP, "write-protect" }, { EFI_MEMORY_RP, "read-protect" }, { EFI_MEMORY_XP, "execute-protect" }, + { EFI_MEMORY_NV, "non-volatile" }, + { EFI_MEMORY_MORE_RELIABLE, "higher reliability" }, + { EFI_MEMORY_RO, "read-only" }, { EFI_MEMORY_RUNTIME, "needs runtime mapping" } }; diff --git a/include/efi.h b/include/efi.h index cfdccd7693..7e7c1cafc2 100644 --- a/include/efi.h +++ b/include/efi.h @@ -178,6 +178,10 @@ enum efi_mem_type { #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_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */ #define EFI_MEM_DESC_VERSION 1 -- 2.30.2