#define _EFI_LOADER_H 1
#include <common.h>
+#include <blk.h>
+#include <log.h>
#include <part_efi.h>
#include <efi_api.h>
+#include <image.h>
+#include <pe.h>
+#include <linux/list.h>
+#include <linux/oid_registry.h>
+
+struct blk_desc;
+struct jmp_buf_data;
static inline int guidcmp(const void *g1, const void *g2)
{
return memcmp(g1, g2, sizeof(efi_guid_t));
}
-/* No need for efi loader support in SPL */
+static inline void *guidcpy(void *dst, const void *src)
+{
+ return memcpy(dst, src, sizeof(efi_guid_t));
+}
+
#if CONFIG_IS_ENABLED(EFI_LOADER)
-#include <linux/list.h>
+/**
+ * __efi_runtime_data - declares a non-const variable for EFI runtime section
+ *
+ * This macro indicates that a variable is non-const and should go into the
+ * EFI runtime section, and thus still be available when the OS is running.
+ *
+ * Only use on variables not declared const.
+ *
+ * Example:
+ *
+ * ::
+ *
+ * static __efi_runtime_data my_computed_table[256];
+ */
+#define __efi_runtime_data __section(".data.efi_runtime")
+
+/**
+ * __efi_runtime_rodata - declares a read-only variable for EFI runtime section
+ *
+ * This macro indicates that a variable is read-only (const) and should go into
+ * the EFI runtime section, and thus still be available when the OS is running.
+ *
+ * Only use on variables also declared const.
+ *
+ * Example:
+ *
+ * ::
+ *
+ * static const __efi_runtime_rodata my_const_table[] = { 1, 2, 3 };
+ */
+#define __efi_runtime_rodata __section(".rodata.efi_runtime")
+
+/**
+ * __efi_runtime - declares a function for EFI runtime section
+ *
+ * This macro indicates that a function should go into the EFI runtime section,
+ * and thus still be available when the OS is running.
+ *
+ * Example:
+ *
+ * ::
+ *
+ * static __efi_runtime compute_my_table(void);
+ */
+#define __efi_runtime __section(".text.efi_runtime")
+
+/*
+ * Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region
+ * to make it available at runtime
+ */
+efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len);
+
+/*
+ * Special case handler for error/abort that just tries to dtrt to get
+ * back to u-boot world
+ */
+void efi_restore_gd(void);
+/* Call this to set the current device name */
+void efi_set_bootdev(const char *dev, const char *devnr, const char *path,
+ void *buffer, size_t buffer_size);
+/* Called by networking code to memorize the dhcp ack package */
+void efi_net_set_dhcp_ack(void *pkt, int len);
+/* Print information about all loaded images */
+void efi_print_image_infos(void *pc);
+
+/* Hook at initialization */
+efi_status_t efi_launch_capsules(void);
+
+#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
+
+/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */
+#define __efi_runtime_data
+#define __efi_runtime_rodata
+#define __efi_runtime
+static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len)
+{
+ return EFI_SUCCESS;
+}
+
+/* No loader configured, stub out EFI_ENTRY */
+static inline void efi_restore_gd(void) { }
+static inline void efi_set_bootdev(const char *dev, const char *devnr,
+ const char *path, void *buffer,
+ size_t buffer_size) { }
+static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
+static inline void efi_print_image_infos(void *pc) { }
+static inline efi_status_t efi_launch_capsules(void)
+{
+ return EFI_SUCCESS;
+}
+
+#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */
/* Maximum number of configuration tables */
#define EFI_MAX_CONFIGURATION_TABLES 16
#define U_BOOT_HOST_DEV_GUID \
EFI_GUID(0xbbe4e671, 0x5773, 0x4ea1, \
0x9a, 0xab, 0x3a, 0x7d, 0xbf, 0x40, 0xc4, 0x82)
+/* GUID used as root for virtio devices */
+#define U_BOOT_VIRTIO_DEV_GUID \
+ EFI_GUID(0x63293792, 0xadf5, 0x9325, \
+ 0xb9, 0x9f, 0x4e, 0x0e, 0x45, 0x5c, 0x1b, 0x1e)
+
+/* Use internal device tree when starting UEFI application */
+#define EFI_FDT_USE_INTERNAL NULL
/* Root node */
extern efi_handle_t efi_root;
+/* Set to EFI_SUCCESS when initialized */
+extern efi_status_t efi_obj_list_initialized;
+
+/* Flag used by the selftest to avoid detaching devices in ExitBootServices() */
+extern bool efi_st_keep_devices;
+
+/* EFI system partition */
+extern struct efi_system_partition {
+ enum if_type if_type;
+ int devnum;
+ u8 part;
+} efi_system_partition;
+
int __efi_entry_check(void);
int __efi_exit_check(void);
const char *__efi_nesting(void);
/* implementation of the EFI_DEVICE_PATH_UTILITIES_PROTOCOL */
extern const struct efi_device_path_utilities_protocol
efi_device_path_utilities;
-/* deprecated version of the EFI_UNICODE_COLLATION_PROTOCOL */
-extern const struct efi_unicode_collation_protocol
- efi_unicode_collation_protocol;
/* current version of the EFI_UNICODE_COLLATION_PROTOCOL */
extern const struct efi_unicode_collation_protocol
efi_unicode_collation_protocol2;
extern const efi_guid_t efi_guid_device_path_utilities_protocol;
/* GUID of the deprecated Unicode collation protocol */
extern const efi_guid_t efi_guid_unicode_collation_protocol;
+/* GUIDs of the Load File and Load File2 protocol */
+extern const efi_guid_t efi_guid_load_file_protocol;
+extern const efi_guid_t efi_guid_load_file2_protocol;
/* GUID of the Unicode collation protocol */
extern const efi_guid_t efi_guid_unicode_collation_protocol2;
extern const efi_guid_t efi_guid_hii_config_routing_protocol;
extern const efi_guid_t efi_guid_hii_config_access_protocol;
extern const efi_guid_t efi_guid_hii_database_protocol;
extern const efi_guid_t efi_guid_hii_string_protocol;
-
-extern unsigned int __efi_runtime_start, __efi_runtime_stop;
-extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
+/* GUIDs for authentication */
+extern const efi_guid_t efi_guid_image_security_database;
+extern const efi_guid_t efi_guid_sha256;
+extern const efi_guid_t efi_guid_cert_x509;
+extern const efi_guid_t efi_guid_cert_x509_sha256;
+extern const efi_guid_t efi_guid_cert_type_pkcs7;
+
+/* GUID of RNG protocol */
+extern const efi_guid_t efi_guid_rng_protocol;
+/* GUID of capsule update result */
+extern const efi_guid_t efi_guid_capsule_report;
+/* GUID of firmware management protocol */
+extern const efi_guid_t efi_guid_firmware_management_protocol;
+/* GUID for the ESRT */
+extern const efi_guid_t efi_esrt_guid;
+
+extern char __efi_runtime_start[], __efi_runtime_stop[];
+extern char __efi_runtime_rel_start[], __efi_runtime_rel_stop[];
/**
* struct efi_open_protocol_info_item - open protocol info item
* @link: link to the list of protocols of a handle
* @guid: GUID of the protocol
* @protocol_interface: protocol interface
- * @open_infos link to the list of open protocol info items
+ * @open_infos: link to the list of open protocol info items
*/
struct efi_handler {
struct list_head link;
* started image.
*/
enum efi_object_type {
+ /** @EFI_OBJECT_TYPE_UNDEFINED: undefined image type */
EFI_OBJECT_TYPE_UNDEFINED = 0,
+ /** @EFI_OBJECT_TYPE_U_BOOT_FIRMWARE: U-Boot firmware */
EFI_OBJECT_TYPE_U_BOOT_FIRMWARE,
+ /** @EFI_OBJECT_TYPE_LOADED_IMAGE: loaded image (not started) */
EFI_OBJECT_TYPE_LOADED_IMAGE,
+ /** @EFI_OBJECT_TYPE_STARTED_IMAGE: started image */
EFI_OBJECT_TYPE_STARTED_IMAGE,
};
* @link: pointers to put the handle into a linked list
* @protocols: linked list with the protocol interfaces installed on this
* handle
+ * @type: image type if the handle relates to an image
*
* UEFI offers a flexible and expandable object model. The objects in the UEFI
* API are devices, drivers, and loaded images. struct efi_object is our storage
enum efi_object_type type;
};
+enum efi_image_auth_status {
+ EFI_IMAGE_AUTH_FAILED = 0,
+ EFI_IMAGE_AUTH_PASSED,
+};
+
/**
* struct efi_loaded_image_obj - handle of a loaded image
*
* @exit_status: exit status passed to Exit()
* @exit_data_size: exit data size passed to Exit()
* @exit_data: exit data passed to Exit()
- * @exit_jmp: long jump buffer for returning form started image
+ * @exit_jmp: long jump buffer for returning from started image
* @entry: entry address of the relocated image
+ * @image_type: indicates if the image is an applicition or a driver
+ * @auth_status: indicates if the image is authenticated
*/
struct efi_loaded_image_obj {
struct efi_object header;
- efi_status_t exit_status;
+ efi_status_t *exit_status;
efi_uintn_t *exit_data_size;
u16 **exit_data;
- struct jmp_buf_data exit_jmp;
+ struct jmp_buf_data *exit_jmp;
EFIAPI efi_status_t (*entry)(efi_handle_t image_handle,
struct efi_system_table *st);
u16 image_type;
+ enum efi_image_auth_status auth_status;
};
/**
* @queue_link: Link to the list of queued events
* @type: Type of event, see efi_create_event
* @notify_tpl: Task priority level of notifications
- * @nofify_function: Function to call when the event is triggered
+ * @notify_function: Function to call when the event is triggered
* @notify_context: Data to be passed to the notify function
* @group: Event group
* @trigger_time: Period of the timer
};
/**
- * efi_register_notify_event - event registered by RegisterProtocolNotify()
+ * struct efi_register_notify_event - event registered by
+ * RegisterProtocolNotify()
*
* The address of this structure serves as registration value.
*
/* Initialize efi execution environment */
efi_status_t efi_init_obj_list(void);
+/* Install device tree */
+efi_status_t efi_install_fdt(void *fdt);
+/* Run loaded UEFI image */
+efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size);
/* Initialize variable services */
efi_status_t efi_init_variables(void);
/* Notify ExitBootServices() is called */
void efi_variables_boot_exit_notify(void);
+efi_status_t efi_tcg2_notify_exit_boot_services_failed(void);
+/* Measure efi application invocation */
+efi_status_t efi_tcg2_measure_efi_app_invocation(void);
+/* Measure efi application exit */
+efi_status_t efi_tcg2_measure_efi_app_exit(void);
/* Called by bootefi to initialize root node */
efi_status_t efi_root_node_register(void);
/* Called by bootefi to initialize runtime */
efi_status_t efi_initialize_system_table(void);
/* efi_runtime_detach() - detach unimplemented runtime functions */
void efi_runtime_detach(void);
+/* efi_convert_pointer() - convert pointer to virtual address */
+efi_status_t EFIAPI efi_convert_pointer(efi_uintn_t debug_disposition,
+ void **address);
+/* Carve out DT reserved memory ranges */
+void efi_carve_out_dt_rsv(void *fdt);
/* Called by bootefi to make console interface available */
efi_status_t efi_console_register(void);
/* Called by bootefi to make all disk storage accessible as EFI objects */
efi_status_t efi_disk_register(void);
+/* Called by efi_init_obj_list() to install EFI_RNG_PROTOCOL */
+efi_status_t efi_rng_register(void);
+/* Called by efi_init_obj_list() to install EFI_TCG2_PROTOCOL */
+efi_status_t efi_tcg2_register(void);
+/* measure the pe-coff image, extend PCR and add Event Log */
+efi_status_t tcg2_measure_pe_image(void *efi, u64 efi_size,
+ struct efi_loaded_image_obj *handle,
+ struct efi_loaded_image *loaded_image_info);
/* 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);
+/* Check if it is EFI system partition */
+bool efi_disk_is_system_part(efi_handle_t handle);
/* Called by bootefi to make GOP (graphical) interface available */
efi_status_t efi_gop_register(void);
/* Called by bootefi to make the network interface available */
efi_status_t efi_net_register(void);
/* Called by bootefi to make the watchdog available */
efi_status_t efi_watchdog_register(void);
+efi_status_t efi_initrd_register(void);
+void efi_initrd_deregister(void);
/* Called by bootefi to make SMBIOS tables available */
/**
* efi_acpi_register() - write out ACPI tables
struct efi_simple_file_system_protocol *
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);
+/* Check if a buffer contains a PE-COFF image */
+efi_status_t efi_check_pe(void *buffer, size_t size, void **nt_header);
/* PE loader implementation */
-efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, void *efi,
+efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle,
+ void *efi, size_t efi_size,
struct efi_loaded_image *loaded_image_info);
/* Called once to store the pristine gd pointer */
void efi_save_gd(void);
-/* Special case handler for error/abort that just tries to dtrt to get
- * back to u-boot world */
-void efi_restore_gd(void);
/* Call this to relocate the runtime section to an address space */
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(efi_handle_t obj);
/* Create handle */
efi_status_t efi_add_protocol(const efi_handle_t handle,
const efi_guid_t *protocol,
void *protocol_interface);
+/* Open protocol */
+efi_status_t efi_protocol_open(struct efi_handler *handler,
+ void **protocol_interface, void *agent_handle,
+ void *controller_handle, uint32_t attributes);
+
/* Delete protocol from a handle */
efi_status_t efi_remove_protocol(const efi_handle_t handle,
const efi_guid_t *protocol,
/* 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) (
/* open file from device-path: */
struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp);
+/* Registers a callback function for a notification event. */
+efi_status_t EFIAPI efi_register_protocol_notify(const efi_guid_t *protocol,
+ struct efi_event *event,
+ void **registration);
+efi_status_t efi_file_size(struct efi_file_handle *fh, efi_uintn_t *size);
+
+/* get a device path from a Boot#### option */
+struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t guid);
+
/**
* efi_size_in_pages() - convert size in bytes to size in pages
*
* @size: size in bytes
* Return: size in pages
*/
-#define efi_size_in_pages(size) ((size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
+#define efi_size_in_pages(size) (((size) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
/* 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, efi_uintn_t pages,
- uint64_t *memory);
+efi_status_t efi_allocate_pages(enum efi_allocate_type type,
+ enum efi_memory_type memory_type,
+ efi_uintn_t pages, uint64_t *memory);
/* EFI memory free function. */
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, efi_uintn_t size,
- void **buffer);
+efi_status_t efi_allocate_pool(enum efi_memory_type 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_uintn_t *descriptor_size,
uint32_t *descriptor_version);
/* Adds a range into the EFI memory map */
-efi_status_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type,
- bool overlap_only_ram);
+efi_status_t efi_add_memory_map(u64 start, u64 size, int memory_type);
/* Adds a conventional range into the EFI memory map */
efi_status_t efi_add_conventional_memory_map(u64 ram_start, u64 ram_end,
u64 ram_top);
struct efi_device_path *file_path,
struct efi_loaded_image_obj **handle_ptr,
struct efi_loaded_image **info_ptr);
-/* Print information about all loaded images */
-void efi_print_image_infos(void *pc);
#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
extern void *efi_bounce_buffer;
/* Check if a device path contains muliple instances */
bool efi_dp_is_multi_instance(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);
const char *path,
struct efi_device_path **device,
struct efi_device_path **file);
+ssize_t efi_dp_check_length(const struct efi_device_path *dp,
+ const size_t maxlen);
#define EFI_DP_TYPE(_dp, _type, _subtype) \
(((_dp)->type == DEVICE_PATH_TYPE_##_type) && \
((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype))
-/*
- * Use these to indicate that your code / data should go into the EFI runtime
- * section and thus still be available when the OS is running
- */
-#define __efi_runtime_data __attribute__ ((section (".data.efi_runtime")))
-#define __efi_runtime __attribute__ ((section (".text.efi_runtime")))
-
/* Indicate supported runtime services */
efi_status_t efi_init_runtime_supported(void);
/* Update CRC32 in table header */
void __efi_runtime efi_update_table_header_crc32(struct efi_table_hdr *table);
-/* Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region
- * to make it available at runtime */
-efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len);
-
/* Boards may provide the functions below to implement RTS functionality */
void __efi_runtime EFIAPI efi_reset_system(
efi_uintn_t *data_size, void *data);
efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
u16 *variable_name,
- const efi_guid_t *vendor);
+ efi_guid_t *vendor);
efi_status_t EFIAPI efi_set_variable(u16 *variable_name,
const efi_guid_t *vendor, u32 attributes,
efi_uintn_t data_size, const void *data);
u64 *remaining_variable_storage_size,
u64 *maximum_variable_size);
+void *efi_get_var(u16 *name, const efi_guid_t *vendor, efi_uintn_t *size);
+
/*
* See section 3.1.3 in the v2.7 UEFI spec for more details on
* the layout of EFI_LOAD_OPTION. In short it is:
const u8 *optional_data;
};
-void efi_deserialize_load_option(struct efi_load_option *lo, u8 *data);
+struct efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
+ efi_uintn_t *size, efi_guid_t guid);
+struct efi_device_path *efi_dp_concat(const struct efi_device_path *dp1,
+ const struct efi_device_path *dp2);
+efi_status_t efi_deserialize_load_option(struct efi_load_option *lo, u8 *data,
+ efi_uintn_t *size);
unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data);
-efi_status_t efi_bootmgr_load(efi_handle_t *handle);
+efi_status_t efi_set_load_options(efi_handle_t handle,
+ efi_uintn_t load_options_size,
+ void *load_options);
+efi_status_t efi_bootmgr_load(efi_handle_t *handle, void **load_options);
-#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
+/**
+ * struct efi_image_regions - A list of memory regions
+ *
+ * @max: Maximum number of regions
+ * @num: Number of regions
+ * @reg: array of regions
+ */
+struct efi_image_regions {
+ int max;
+ int num;
+ struct image_region reg[];
+};
-/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */
-#define __efi_runtime_data
-#define __efi_runtime
-static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len)
+/**
+ * struct efi_sig_data - A decoded data of struct efi_signature_data
+ *
+ * This structure represents an internal form of signature in
+ * signature database. A listed list may represent a signature list.
+ *
+ * @next: Pointer to next entry
+ * @owner: Signature owner
+ * @data: Pointer to signature data
+ * @size: Size of signature data
+ */
+struct efi_sig_data {
+ struct efi_sig_data *next;
+ efi_guid_t owner;
+ void *data;
+ size_t size;
+};
+
+/**
+ * struct efi_signature_store - A decoded data of signature database
+ *
+ * This structure represents an internal form of signature database.
+ *
+ * @next: Pointer to next entry
+ * @sig_type: Signature type
+ * @sig_data_list: Pointer to signature list
+ */
+struct efi_signature_store {
+ struct efi_signature_store *next;
+ efi_guid_t sig_type;
+ struct efi_sig_data *sig_data_list;
+};
+
+struct x509_certificate;
+struct pkcs7_message;
+
+bool efi_signature_lookup_digest(struct efi_image_regions *regs,
+ struct efi_signature_store *db);
+bool efi_signature_verify(struct efi_image_regions *regs,
+ struct pkcs7_message *msg,
+ struct efi_signature_store *db,
+ struct efi_signature_store *dbx);
+static inline bool efi_signature_verify_one(struct efi_image_regions *regs,
+ struct pkcs7_message *msg,
+ struct efi_signature_store *db)
{
- return EFI_SUCCESS;
+ return efi_signature_verify(regs, msg, db, NULL);
}
+bool efi_signature_check_signers(struct pkcs7_message *msg,
+ struct efi_signature_store *dbx);
-/* No loader configured, stub out EFI_ENTRY */
-static inline void efi_restore_gd(void) { }
-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) { }
-static inline void efi_print_image_infos(void *pc) { }
+efi_status_t efi_image_region_add(struct efi_image_regions *regs,
+ const void *start, const void *end,
+ int nocheck);
-#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */
+void efi_sigstore_free(struct efi_signature_store *sigstore);
+struct efi_signature_store *efi_build_signature_store(void *sig_list,
+ efi_uintn_t size);
+struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name);
+
+bool efi_secure_boot_enabled(void);
+
+bool efi_capsule_auth_enabled(void);
+void *efi_prepare_aligned_image(void *efi, u64 *efi_size);
+
+bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
+ WIN_CERTIFICATE **auth, size_t *auth_len);
+
+struct pkcs7_message *efi_parse_pkcs7_header(const void *buf,
+ size_t buflen,
+ u8 **tmpbuf);
+
+/* runtime implementation of memcpy() */
+void efi_memcpy_runtime(void *dest, const void *src, size_t n);
+
+/* commonly used helper function */
+u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name,
+ unsigned int index);
+
+extern const struct efi_firmware_management_protocol efi_fmp_fit;
+extern const struct efi_firmware_management_protocol efi_fmp_raw;
+
+/* Capsule update */
+efi_status_t EFIAPI efi_update_capsule(
+ struct efi_capsule_header **capsule_header_array,
+ efi_uintn_t capsule_count,
+ u64 scatter_gather_list);
+efi_status_t EFIAPI efi_query_capsule_caps(
+ struct efi_capsule_header **capsule_header_array,
+ efi_uintn_t capsule_count,
+ u64 *maximum_capsule_size,
+ u32 *reset_type);
+
+efi_status_t efi_capsule_authenticate(const void *capsule,
+ efi_uintn_t capsule_size,
+ void **image, efi_uintn_t *image_size);
+
+#define EFI_CAPSULE_DIR L"\\EFI\\UpdateCapsule\\"
+
+/**
+ * Install the ESRT system table.
+ *
+ * @return status code
+ */
+efi_status_t efi_esrt_register(void);
+
+/**
+ * efi_esrt_populate() - Populates the ESRT entries from the FMP instances
+ * present in the system.
+ * If an ESRT already exists, the old ESRT is replaced in the system table.
+ * The memory of the old ESRT is deallocated.
+ *
+ * Return:
+ * - EFI_SUCCESS if the ESRT is correctly created
+ * - error code otherwise.
+ */
+efi_status_t efi_esrt_populate(void);
+efi_status_t efi_load_capsule_drivers(void);
#endif /* _EFI_LOADER_H */
projects / platform / kernel / u-boot.git / blobdiff