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efi_loader: EFI_FILE_PROTOCOL rev 2 stub

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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>
This commit is contained in:
Heinrich Schuchardt
2019-09-08 09:35:32 +02:00
parent 9bb62fa63b
commit e692ed1d56
2 changed files with 47 additions and 9 deletions
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20
include/efi_api.h
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@@ -1461,6 +1461,12 @@ struct efi_pxe_base_code_protocol {
#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 @@ 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.
*/
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