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-rw-r--r--include/efi_api.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/efi_api.h b/include/efi_api.h
index ccf608653d4..8647bfa6629 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -1322,7 +1322,9 @@ struct efi_pxe {
#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
-#define EFI_FILE_PROTOCOL_REVISION 0x00010000
+#define EFI_FILE_PROTOCOL_REVISION 0x00010000
+#define EFI_FILE_PROTOCOL_REVISION2 0x00020000
+#define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2
struct efi_file_handle {
u64 rev;
@@ -1346,6 +1348,10 @@ struct efi_file_handle {
const efi_guid_t *info_type, efi_uintn_t buffer_size,
void *buffer);
efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
+ /*
+ * TODO: We currently only support EFI file protocol revision 0x00010000
+ * while UEFI specs 2.4 - 2.7 prescribe revision 0x00020000.
+ */
};
#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000