diff options
Diffstat (limited to 'include/efi_loader.h')
| -rw-r--r-- | include/efi_loader.h | 66 |
1 files changed, 44 insertions, 22 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h index 1b92edbd77..c0caabddb1 100644 --- 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> @@ -75,9 +78,9 @@ const char *__efi_nesting_dec(void); 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); @@ -98,6 +101,8 @@ extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop; * interface (usually a struct with callback functions), this struct maps the * 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; }; @@ -112,20 +117,12 @@ 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 * @@ -141,7 +138,7 @@ 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 +160,8 @@ 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 +170,8 @@ 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 +186,26 @@ 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(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 +227,20 @@ 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 +262,8 @@ 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 +361,6 @@ 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 */ |