efi_loader: helper functions for protocol management

[u-boot] / include / efi_loader.h

diff --git a/include/efi_loader.h b/include/efi_loader.h
index 1b92edbd77c2a888560f26a87cbe250aa475ec4a..934f64dccb947a67f7b4d5ac3a447f9f721fbfa8 100644 (file)
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -6,6 +6,9 @@
  *  SPDX-License-Identifier:     GPL-2.0+
  */
 
+#ifndef _EFI_LOADER_H
+#define _EFI_LOADER_H 1
+
 #include <common.h>
 #include <part_efi.h>
 #include <efi_api.h>
@@ -141,7 +144,7 @@ struct efi_object {
  */
 struct efi_event {
        uint32_t type;
-       UINTN notify_tpl;
+       efi_uintn_t notify_tpl;
        void (EFIAPI *notify_function)(struct efi_event *event, void *context);
        void *notify_context;
        u64 trigger_next;
@@ -163,6 +166,8 @@ int efi_disk_register(void);
 int efi_gop_register(void);
 /* Called by bootefi to make the network interface available */
 int efi_net_register(void);
+/* Called by bootefi to make the watchdog available */
+int efi_watchdog_register(void);
 /* Called by bootefi to make SMBIOS tables available */
 void efi_smbios_register(void);
 
@@ -171,6 +176,8 @@ efi_fs_from_path(struct efi_device_path *fp);
 
 /* Called by networking code to memorize the dhcp ack package */
 void efi_net_set_dhcp_ack(void *pkt, int len);
+/* Called by efi_set_watchdog_timer to reset the timer */
+efi_status_t efi_set_watchdog(unsigned long timeout);
 
 /* Called from places to check whether a timer expired */
 void efi_timer_check(void);
@@ -185,8 +192,24 @@ void efi_restore_gd(void);
 void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
 /* Call this to set the current device name */
 void efi_set_bootdev(const char *dev, const char *devnr, const char *path);
+/* Create handle */
+efi_status_t efi_create_handle(void **handle);
+/* Call this to validate a handle and find the EFI object for it */
+struct efi_object *efi_search_obj(const void *handle);
+/* Find a protocol on a handle */
+efi_status_t efi_search_protocol(const void *handle,
+                                const efi_guid_t *protocol_guid,
+                                struct efi_handler **handler);
+/* Install new protocol on a handle */
+efi_status_t efi_add_protocol(const void *handle, const efi_guid_t *protocol,
+                             void *protocol_interface);
+/* Delete protocol from a handle */
+efi_status_t efi_remove_protocol(const void *handle, const efi_guid_t *protocol,
+                                void *protocol_interface);
+/* Delete all protocols from a handle */
+efi_status_t efi_remove_all_protocols(const void *handle);
 /* Call this to create an event */
-efi_status_t efi_create_event(uint32_t type, UINTN notify_tpl,
+efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
                              void (EFIAPI *notify_function) (
                                        struct efi_event *event,
                                        void *context),
@@ -208,20 +231,20 @@ struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp);
 /* Generic EFI memory allocator, call this to get memory */
 void *efi_alloc(uint64_t len, int memory_type);
 /* More specific EFI memory allocator, called by EFI payloads */
-efi_status_t efi_allocate_pages(int type, int memory_type, unsigned long pages,
+efi_status_t efi_allocate_pages(int type, int memory_type, efi_uintn_t pages,
                                uint64_t *memory);
 /* EFI memory free function. */
-efi_status_t efi_free_pages(uint64_t memory, unsigned long pages);
+efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages);
 /* EFI memory allocator for small allocations */
-efi_status_t efi_allocate_pool(int pool_type, unsigned long size,
+efi_status_t efi_allocate_pool(int pool_type, efi_uintn_t size,
                               void **buffer);
 /* EFI pool memory free function. */
 efi_status_t efi_free_pool(void *buffer);
 /* Returns the EFI memory map */
-efi_status_t efi_get_memory_map(unsigned long *memory_map_size,
+efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
                                struct efi_mem_desc *memory_map,
-                               unsigned long *map_key,
-                               unsigned long *descriptor_size,
+                               efi_uintn_t *map_key,
+                               efi_uintn_t *descriptor_size,
                                uint32_t *descriptor_version);
 /* Adds a range into the EFI memory map */
 uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type,
@@ -243,7 +266,8 @@ extern void *efi_bounce_buffer;
 
 
 struct efi_device_path *efi_dp_next(const struct efi_device_path *dp);
-int efi_dp_match(struct efi_device_path *a, struct efi_device_path *b);
+int efi_dp_match(const struct efi_device_path *a,
+                const struct efi_device_path *b);
 struct efi_object *efi_dp_find_obj(struct efi_device_path *dp,
                                   struct efi_device_path **rem);
 unsigned efi_dp_size(const struct efi_device_path *dp);
@@ -341,4 +365,6 @@ static inline void efi_set_bootdev(const char *dev, const char *devnr,
                                   const char *path) { }
 static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
 
-#endif
+#endif /* CONFIG_EFI_LOADER && !CONFIG_SPL_BUILD */
+
+#endif /* _EFI_LOADER_H */