Commit c3a40cce2a9765de6776e2c099d59879e49dfe4b

Authored by Eugeniu Rosca
Committed by Alexander Graf
1 parent 9b89183b97

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 <xypron.glpk@gmx.de>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

Showing 2 changed files with 7 additions and 0 deletions Side-by-side Diff

... ... @@ -39,6 +39,9 @@
39 39 { EFI_MEMORY_WP, "write-protect" },
40 40 { EFI_MEMORY_RP, "read-protect" },
41 41 { EFI_MEMORY_XP, "execute-protect" },
  42 + { EFI_MEMORY_NV, "non-volatile" },
  43 + { EFI_MEMORY_MORE_RELIABLE, "higher reliability" },
  44 + { EFI_MEMORY_RO, "read-only" },
42 45 { EFI_MEMORY_RUNTIME, "needs runtime mapping" }
43 46 };
44 47  
... ... @@ -178,6 +178,10 @@
178 178 #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */
179 179 #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */
180 180 #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */
  181 +#define EFI_MEMORY_NV ((u64)0x0000000000008000ULL) /* non-volatile */
  182 +#define EFI_MEMORY_MORE_RELIABLE \
  183 + ((u64)0x0000000000010000ULL) /* higher reliability */
  184 +#define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */
181 185 #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */
182 186 #define EFI_MEM_DESC_VERSION 1
183 187