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>

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" }
 };
 

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