efi_loader: EFI_FILE_PROTOCOL rev 2 stub
The UEFI specification requires to implement version 2 of the
EFI_FILE_PROTOCOL. Provide the missing functions as stubs.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/include/efi_api.h b/include/efi_api.h
index cb895f3..f43fb7a 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -1461,6 +1461,12 @@
#define EFI_FILE_PROTOCOL_REVISION2 0x00020000
#define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2
+struct efi_file_io_token {
+ struct efi_event *event;
+ efi_status_t status;
+ efi_uintn_t buffer_size;
+ void *buffer;};
+
struct efi_file_handle {
u64 rev;
efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
@@ -1483,10 +1489,16 @@
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.
- */
+ efi_status_t (EFIAPI *open_ex)(struct efi_file_handle *file,
+ struct efi_file_handle **new_handle,
+ u16 *file_name, u64 open_mode, u64 attributes,
+ struct efi_file_io_token *token);
+ efi_status_t (EFIAPI *read_ex)(struct efi_file_handle *file,
+ struct efi_file_io_token *token);
+ efi_status_t (EFIAPI *write_ex)(struct efi_file_handle *file,
+ struct efi_file_io_token *token);
+ efi_status_t (EFIAPI *flush_ex)(struct efi_file_handle *file,
+ struct efi_file_io_token *token);
};
#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c
index 504b1d1..4b53016 100644
--- a/lib/efi_loader/efi_file.c
+++ b/lib/efi_loader/efi_file.c
@@ -741,12 +741,34 @@
return EFI_EXIT(EFI_SUCCESS);
}
+static efi_status_t EFIAPI efi_file_open_ex(struct efi_file_handle *file,
+ struct efi_file_handle **new_handle,
+ u16 *file_name, u64 open_mode, u64 attributes,
+ struct efi_file_io_token *token)
+{
+ return EFI_UNSUPPORTED;
+}
+
+static efi_status_t EFIAPI efi_file_read_ex(struct efi_file_handle *file,
+ struct efi_file_io_token *token)
+{
+ return EFI_UNSUPPORTED;
+}
+
+static efi_status_t EFIAPI efi_file_write_ex(struct efi_file_handle *file,
+ struct efi_file_io_token *token)
+{
+ return EFI_UNSUPPORTED;
+}
+
+static efi_status_t EFIAPI efi_file_flush_ex(struct efi_file_handle *file,
+ struct efi_file_io_token *token)
+{
+ return EFI_UNSUPPORTED;
+}
+
static const struct efi_file_handle efi_file_handle_protocol = {
- /*
- * TODO: We currently only support EFI file protocol revision 0x00010000
- * while UEFI specs 2.4 - 2.7 prescribe revision 0x00020000.
- */
- .rev = EFI_FILE_PROTOCOL_REVISION,
+ .rev = EFI_FILE_PROTOCOL_REVISION2,
.open = efi_file_open,
.close = efi_file_close,
.delete = efi_file_delete,
@@ -757,6 +779,10 @@
.getinfo = efi_file_getinfo,
.setinfo = efi_file_setinfo,
.flush = efi_file_flush,
+ .open_ex = efi_file_open_ex,
+ .read_ex = efi_file_read_ex,
+ .write_ex = efi_file_write_ex,
+ .flush_ex = efi_file_flush_ex,
};
/**