[RFC 03/14] efi_loader: export a couple of protocol related functions

AKASHI Takahiro
2020-03-17T02:12:36Z

This is a preparatory patch.
Those functions will be used in an implementation of UEFI firmware
management protocol as part of my capsule update patch.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
include/efi_loader.h | 14 ++++++++++++++
lib/efi_loader/efi_boottime.c | 16 ++++++++--------
2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/include/efi_loader.h b/include/efi_loader.h
index d4c59b54c48b..c55bade6a508 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -456,6 +456,20 @@ efi_status_t efi_remove_all_protocols(const efi_handle_t handle);
/* Install multiple protocol interfaces */
efi_status_t EFIAPI efi_install_multiple_protocol_interfaces
(efi_handle_t *handle, ...);
+/* Get handles that support a given protocol */
+efi_status_t EFIAPI efi_locate_handle_buffer(
+ enum efi_locate_search_type search_type,
+ const efi_guid_t *protocol, void *search_key,
+ efi_uintn_t *no_handles, efi_handle_t **buffer);
+/* Close an previously opened protocol interface */
+efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle,
+ const efi_guid_t *protocol,
+ efi_handle_t agent_handle,
+ efi_handle_t controller_handle);
+/* Open a protocol interface */
+efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle,
+ const efi_guid_t *protocol,
+ void **protocol_interface);
/* Call this to create an event */
efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
void (EFIAPI *notify_function) (
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 1f598b357a5c..9860d5047502 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -2106,10 +2106,10 @@ static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout,
*
* Return: status code
*/
-static efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle,
- const efi_guid_t *protocol,
- efi_handle_t agent_handle,
- efi_handle_t controller_handle)
+efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle,
+ const efi_guid_t *protocol,
+ efi_handle_t agent_handle,
+ efi_handle_t controller_handle)
{
struct efi_handler *handler;
struct efi_open_protocol_info_item *item;
@@ -2282,7 +2282,7 @@ static efi_status_t EFIAPI efi_protocols_per_handle(
*
* Return: status code
*/
-static efi_status_t EFIAPI efi_locate_handle_buffer(
+efi_status_t EFIAPI efi_locate_handle_buffer(
enum efi_locate_search_type search_type,
const efi_guid_t *protocol, void *search_key,
efi_uintn_t *no_handles, efi_handle_t **buffer)
@@ -3182,9 +3182,9 @@ out:
*
* Return: status code
*/
-static efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle,
- const efi_guid_t *protocol,
- void **protocol_interface)
+efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle,
+ const efi_guid_t *protocol,
+ void **protocol_interface)
{
return efi_open_protocol(handle, protocol, protocol_interface, efi_root,
NULL, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
--
2.25.1