* 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>
} 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;
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;
};
/*
struct efi_object {
/* Every UEFI object is part of a global object list */
struct list_head link;
- /* We support up to 8 "protocols" an object can be accessed through */
- struct efi_handler protocols[8];
+ /* 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
*
* @nofify_function: Function to call when the event is triggered
* @notify_context: Data to be passed to the notify function
* @trigger_type: Type of timer, see efi_set_timer
- * @queued: The notification functionis queued
- * @signaled: The event occured
+ * @queued: The notification function is queued
+ * @signaled: The event occurred. The event is in the signaled state.
*/
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;
u64 trigger_time;
enum efi_timer_delay trigger_type;
- int queued;
- int signaled;
+ bool is_queued;
+ bool is_signaled;
};
int efi_console_register(void);
/* Called by bootefi to make all disk storage accessible as EFI objects */
int 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 */
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);
/* 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);
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(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, 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),
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(
/* 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,
bool overlap_only_ram);
+/* Called by board init to initialize the EFI drivers */
+int 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);
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);
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);
-void efi_dp_split_file_path(struct efi_device_path *full_path,
- struct efi_device_path **device_path,
- struct efi_device_path **file_path);
+struct efi_device_path *efi_dp_from_mem(uint32_t mem_type,
+ uint64_t start_address,
+ uint64_t end_address);
+/* 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) && \
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 */
projects / people / ms / u-boot.git / blobdiff