X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fefi_loader.h;h=07730c3f3941de2287cd697122c93905a3b10f13;hb=7fb464302ea805ec326cc81507adf38e4d6d777b;hp=2bcca3dfd8b2e4ec3b11d5c8e932536740964acf;hpb=1b68153af1ff0af3828ad7de0d0319a456ff19f7;p=oweals%2Fu-boot.git

diff --git a/include/efi_loader.h b/include/efi_loader.h
index 2bcca3dfd8..07730c3f39 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -69,25 +69,30 @@ const char *__efi_nesting_dec(void);
 	} while(0)
 
 /*
- * Write GUID
+ * Write an indented message with EFI prefix
  */
-#define EFI_PRINT_GUID(txt, guid) ({ \
-	debug("%sEFI: %s %pUl\n", __efi_nesting(), txt, guid); \
+#define EFI_PRINT(format, ...) ({ \
+	debug("%sEFI: " format, __efi_nesting(), \
+		##__VA_ARGS__); \
 	})
 
 extern struct efi_runtime_services efi_runtime_services;
 extern struct efi_system_table systab;
 
-extern const struct efi_simple_text_output_protocol efi_con_out;
+extern struct efi_simple_text_output_protocol efi_con_out;
 extern struct efi_simple_input_interface efi_con_in;
-extern const struct efi_console_control_protocol efi_console_control;
+extern struct efi_console_control_protocol efi_console_control;
 extern const struct efi_device_path_to_text_protocol efi_device_path_to_text;
 
 uint16_t *efi_dp_str(struct efi_device_path *dp);
 
+/* GUID of the EFI_BLOCK_IO_PROTOCOL */
+extern const efi_guid_t efi_block_io_guid;
 extern const efi_guid_t efi_global_variable_guid;
 extern const efi_guid_t efi_guid_console_control;
 extern const efi_guid_t efi_guid_device_path;
+/* GUID of the EFI_DRIVER_BINDING_PROTOCOL */
+extern const efi_guid_t efi_guid_driver_binding_protocol;
 extern const efi_guid_t efi_guid_loaded_image;
 extern const efi_guid_t efi_guid_device_path_to_text_protocol;
 extern const efi_guid_t efi_simple_file_system_protocol_guid;
@@ -96,13 +101,28 @@ extern const efi_guid_t efi_file_info_guid;
 extern unsigned int __efi_runtime_start, __efi_runtime_stop;
 extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
 
+/*
+ * When a protocol is opened a open protocol info entry is created.
+ * These are maintained in a list.
+ */
+struct efi_open_protocol_info_item {
+	/* Link to the list of open protocol info entries of a protocol */
+	struct list_head link;
+	struct efi_open_protocol_info_entry info;
+};
+
 /*
  * When the UEFI payload wants to open a protocol on an object to get its
  * interface (usually a struct with callback functions), this struct maps the
- * protocol GUID to the respective protocol interface */
+ * protocol GUID to the respective protocol interface
+ */
 struct efi_handler {
+	/* Link to the list of protocols of a handle */
+	struct list_head link;
 	const efi_guid_t *guid;
 	void *protocol_interface;
+	/* Link to the list of open protocol info items */
+	struct list_head open_infos;
 };
 
 /*
@@ -115,20 +135,12 @@ struct efi_handler {
 struct efi_object {
 	/* Every UEFI object is part of a global object list */
 	struct list_head link;
-	/* We support up to 16 "protocols" an object can be accessed through */
-	struct efi_handler protocols[16];
+	/* The list of protocols */
+	struct list_head protocols;
 	/* The object spawner can either use this for data or as identifier */
 	void *handle;
 };
 
-#define EFI_PROTOCOL_OBJECT(_guid, _protocol) (struct efi_object){	\
-	.protocols = {{							\
-		.guid = &(_guid),	 				\
-		.protocol_interface = (void *)(_protocol), 		\
-	}},								\
-	.handle = (void *)(_protocol),					\
-}
-
 /**
  * struct efi_event
  *
@@ -161,7 +173,11 @@ extern struct list_head efi_obj_list;
 /* Called by bootefi to make console interface available */
 int efi_console_register(void);
 /* Called by bootefi to make all disk storage accessible as EFI objects */
-int efi_disk_register(void);
+efi_status_t efi_disk_register(void);
+/* Create handles and protocols for the partitions of a block device */
+int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
+			       const char *if_typename, int diskid,
+			       const char *pdevname);
 /* Called by bootefi to make GOP (graphical) interface available */
 int efi_gop_register(void);
 /* Called by bootefi to make the network interface available */
@@ -192,8 +208,28 @@ 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);
+/* Add a new object to the object list. */
+void efi_add_handle(struct efi_object *obj);
+/* Create handle */
+efi_status_t efi_create_handle(efi_handle_t *handle);
+/* Delete handle */
+void efi_delete_handle(struct efi_object *obj);
 /* Call this to validate a handle and find the EFI object for it */
-struct efi_object *efi_search_obj(void *handle);
+struct efi_object *efi_search_obj(const efi_handle_t handle);
+/* Find a protocol on a handle */
+efi_status_t efi_search_protocol(const efi_handle_t handle,
+				 const efi_guid_t *protocol_guid,
+				 struct efi_handler **handler);
+/* Install new protocol on a handle */
+efi_status_t efi_add_protocol(const efi_handle_t handle,
+			      const efi_guid_t *protocol,
+			      void *protocol_interface);
+/* Delete protocol from a handle */
+efi_status_t efi_remove_protocol(const efi_handle_t handle,
+				 const efi_guid_t *protocol,
+				 void *protocol_interface);
+/* Delete all protocols from a handle */
+efi_status_t efi_remove_all_protocols(const efi_handle_t handle);
 /* Call this to create an event */
 efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
 			      void (EFIAPI *notify_function) (
@@ -204,7 +240,7 @@ efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
 efi_status_t efi_set_timer(struct efi_event *event, enum efi_timer_delay type,
 			   uint64_t trigger_time);
 /* Call this to signal an event */
-void efi_signal_event(struct efi_event *event);
+void efi_signal_event(struct efi_event *event, bool check_tpl);
 
 /* open file system: */
 struct efi_simple_file_system_protocol *efi_simple_file_system(
@@ -235,13 +271,17 @@ efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
 /* Adds a range into the EFI memory map */
 uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type,
 			    bool overlap_only_ram);
+/* Called by board init to initialize the EFI drivers */
+efi_status_t efi_driver_init(void);
 /* Called by board init to initialize the EFI memory map */
 int efi_memory_init(void);
 /* Adds new or overrides configuration table entry to the system table */
 efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table);
-void efi_setup_loaded_image(struct efi_loaded_image *info, struct efi_object *obj,
-			    struct efi_device_path *device_path,
-			    struct efi_device_path *file_path);
+/* Sets up a loaded image */
+efi_status_t efi_setup_loaded_image(
+			struct efi_loaded_image *info, struct efi_object *obj,
+			struct efi_device_path *device_path,
+			struct efi_device_path *file_path);
 efi_status_t efi_load_image_from_path(struct efi_device_path *file_path,
 				      void **buffer);
 
@@ -252,7 +292,8 @@ 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);
@@ -265,15 +306,20 @@ struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp,
 
 struct efi_device_path *efi_dp_from_dev(struct udevice *dev);
 struct efi_device_path *efi_dp_from_part(struct blk_desc *desc, int part);
+/* Create a device node for a block device partition. */
+struct efi_device_path *efi_dp_part_node(struct blk_desc *desc, int part);
 struct efi_device_path *efi_dp_from_file(struct blk_desc *desc, int part,
 					 const char *path);
 struct efi_device_path *efi_dp_from_eth(void);
 struct efi_device_path *efi_dp_from_mem(uint32_t mem_type,
 					uint64_t start_address,
 					uint64_t end_address);
-void efi_dp_split_file_path(struct efi_device_path *full_path,
-			    struct efi_device_path **device_path,
-			    struct efi_device_path **file_path);
+/* Determine the last device path node that is not the end node. */
+const struct efi_device_path *efi_dp_last_node(
+			const struct efi_device_path *dp);
+efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
+				    struct efi_device_path **device_path,
+				    struct efi_device_path **file_path);
 
 #define EFI_DP_TYPE(_dp, _type, _subtype) \
 	(((_dp)->type == DEVICE_PATH_TYPE_##_type) && \