545 lines
17 KiB
C
545 lines
17 KiB
C
/*
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* Extensible Firmware Interface
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* Based on 'Extensible Firmware Interface Specification' version 0.9,
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* April 30, 1999
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*
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* Copyright (C) 1999 VA Linux Systems
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* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
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* Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
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* David Mosberger-Tang <davidm@hpl.hp.com>
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* Stephane Eranian <eranian@hpl.hp.com>
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*
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* From include/linux/efi.h in kernel 4.1 with some additions/subtractions
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*/
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#ifndef _EFI_API_H
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#define _EFI_API_H
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#include <efi.h>
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#ifdef CONFIG_EFI_LOADER
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#include <asm/setjmp.h>
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#endif
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/* Types and defines for EFI CreateEvent */
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enum efi_event_type {
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EFI_TIMER_STOP = 0,
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EFI_TIMER_PERIODIC = 1,
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EFI_TIMER_RELATIVE = 2
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};
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/* EFI Boot Services table */
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struct efi_boot_services {
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struct efi_table_hdr hdr;
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efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
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void (EFIAPI *restore_tpl)(unsigned long old_tpl);
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efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
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efi_physical_addr_t *);
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efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
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efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
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struct efi_mem_desc *desc, unsigned long *key,
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unsigned long *desc_size, u32 *desc_version);
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efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
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efi_status_t (EFIAPI *free_pool)(void *);
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efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
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unsigned long notify_tpl,
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void (EFIAPI *notify_function) (void *event,
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void *context),
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void *notify_context, void **event);
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efi_status_t (EFIAPI *set_timer)(void *event, int type,
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uint64_t trigger_time);
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efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
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void *event, unsigned long *index);
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efi_status_t (EFIAPI *signal_event)(void *event);
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efi_status_t (EFIAPI *close_event)(void *event);
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efi_status_t (EFIAPI *check_event)(void *event);
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efi_status_t (EFIAPI *install_protocol_interface)(
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void **handle, efi_guid_t *protocol,
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int protocol_interface_type, void *protocol_interface);
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efi_status_t (EFIAPI *reinstall_protocol_interface)(
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void *handle, efi_guid_t *protocol,
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void *old_interface, void *new_interface);
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efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
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efi_guid_t *protocol, void *protocol_interface);
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efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
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void **);
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void *reserved;
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efi_status_t (EFIAPI *register_protocol_notify)(
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efi_guid_t *protocol, void *event,
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void **registration);
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efi_status_t (EFIAPI *locate_handle)(
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enum efi_locate_search_type search_type,
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efi_guid_t *protocol, void *search_key,
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unsigned long *buffer_size, efi_handle_t *buffer);
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efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
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struct efi_device_path **device_path,
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efi_handle_t *device);
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efi_status_t (EFIAPI *install_configuration_table)(
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efi_guid_t *guid, void *table);
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efi_status_t (EFIAPI *load_image)(bool boot_policiy,
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efi_handle_t parent_image,
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struct efi_device_path *file_path, void *source_buffer,
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unsigned long source_size, efi_handle_t *image);
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efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
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unsigned long *exitdata_size,
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s16 **exitdata);
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efi_status_t (EFIAPI *exit)(efi_handle_t handle,
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efi_status_t exit_status,
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unsigned long exitdata_size, s16 *exitdata);
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efi_status_t (EFIAPI *unload_image)(void *image_handle);
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efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
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efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
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efi_status_t (EFIAPI *stall)(unsigned long usecs);
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efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
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uint64_t watchdog_code, unsigned long data_size,
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uint16_t *watchdog_data);
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efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
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efi_handle_t *driver_image_handle,
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struct efi_device_path *remaining_device_path,
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bool recursive);
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efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
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void *driver_image_handle, void *child_handle);
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#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001
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#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002
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#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004
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#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
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#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
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#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020
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efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
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efi_guid_t *protocol, void **interface,
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efi_handle_t agent_handle,
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efi_handle_t controller_handle, u32 attributes);
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efi_status_t (EFIAPI *close_protocol)(void *handle,
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efi_guid_t *protocol, void *agent_handle,
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void *controller_handle);
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efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
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efi_guid_t *protocol,
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struct efi_open_protocol_info_entry **entry_buffer,
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unsigned long *entry_count);
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efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
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efi_guid_t ***protocol_buffer,
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unsigned long *protocols_buffer_count);
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efi_status_t (EFIAPI *locate_handle_buffer) (
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enum efi_locate_search_type search_type,
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efi_guid_t *protocol, void *search_key,
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unsigned long *no_handles, efi_handle_t **buffer);
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efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
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void *registration, void **protocol_interface);
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efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
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void **handle, ...);
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efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
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void *handle, ...);
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efi_status_t (EFIAPI *calculate_crc32)(void *data,
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unsigned long data_size, uint32_t *crc32);
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void (EFIAPI *copy_mem)(void *destination, void *source,
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unsigned long length);
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void (EFIAPI *set_mem)(void *buffer, unsigned long size,
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uint8_t value);
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void *create_event_ex;
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};
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/* Types and defines for EFI ResetSystem */
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enum efi_reset_type {
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EFI_RESET_COLD = 0,
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EFI_RESET_WARM = 1,
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EFI_RESET_SHUTDOWN = 2
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};
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/* EFI Runtime Services table */
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#define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL
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#define EFI_RUNTIME_SERVICES_REVISION 0x00010000
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struct efi_runtime_services {
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struct efi_table_hdr hdr;
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efi_status_t (EFIAPI *get_time)(struct efi_time *time,
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struct efi_time_cap *capabilities);
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efi_status_t (EFIAPI *set_time)(struct efi_time *time);
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efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
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struct efi_time *time);
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efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
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struct efi_time *time);
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efi_status_t (EFIAPI *set_virtual_address_map)(
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unsigned long memory_map_size,
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unsigned long descriptor_size,
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uint32_t descriptor_version,
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struct efi_mem_desc *virtmap);
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efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
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efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
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efi_guid_t *vendor, u32 *attributes,
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unsigned long *data_size, void *data);
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efi_status_t (EFIAPI *get_next_variable)(
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unsigned long *variable_name_size,
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s16 *variable_name, efi_guid_t *vendor);
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efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
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efi_guid_t *vendor, u32 attributes,
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unsigned long data_size, void *data);
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efi_status_t (EFIAPI *get_next_high_mono_count)(
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uint32_t *high_count);
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void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
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efi_status_t reset_status,
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unsigned long data_size, void *reset_data);
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void *update_capsule;
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void *query_capsule_caps;
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void *query_variable_info;
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};
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/* EFI Configuration Table and GUID definitions */
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#define NULL_GUID \
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EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
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#define LOADED_IMAGE_PROTOCOL_GUID \
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EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
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0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
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#define EFI_FDT_GUID \
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EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
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0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
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struct efi_configuration_table
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{
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efi_guid_t guid;
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void *table;
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};
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#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
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struct efi_system_table {
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struct efi_table_hdr hdr;
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unsigned long fw_vendor; /* physical addr of wchar_t vendor string */
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u32 fw_revision;
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unsigned long con_in_handle;
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struct efi_simple_input_interface *con_in;
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unsigned long con_out_handle;
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struct efi_simple_text_output_protocol *con_out;
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unsigned long stderr_handle;
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struct efi_simple_text_output_protocol *std_err;
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struct efi_runtime_services *runtime;
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struct efi_boot_services *boottime;
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unsigned long nr_tables;
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struct efi_configuration_table *tables;
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};
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#define LOADED_IMAGE_GUID \
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EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
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0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
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struct efi_loaded_image {
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u32 revision;
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void *parent_handle;
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struct efi_system_table *system_table;
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void *device_handle;
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void *file_path;
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void *reserved;
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u32 load_options_size;
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void *load_options;
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void *image_base;
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aligned_u64 image_size;
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unsigned int image_code_type;
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unsigned int image_data_type;
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unsigned long unload;
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/* Below are efi loader private fields */
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#ifdef CONFIG_EFI_LOADER
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efi_status_t exit_status;
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struct jmp_buf_data exit_jmp;
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#endif
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};
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#define DEVICE_PATH_GUID \
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EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
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0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
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#define DEVICE_PATH_TYPE_END 0x7f
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# define DEVICE_PATH_SUB_TYPE_END 0xff
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struct efi_device_path {
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u8 type;
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u8 sub_type;
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u16 length;
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};
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#define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04
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# define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04
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struct efi_device_path_file_path {
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struct efi_device_path dp;
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u16 str[32];
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};
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#define BLOCK_IO_GUID \
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EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
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0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
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struct efi_block_io_media
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{
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u32 media_id;
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char removable_media;
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char media_present;
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char logical_partition;
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char read_only;
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char write_caching;
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u8 pad[3];
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u32 block_size;
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u32 io_align;
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u8 pad2[4];
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u64 last_block;
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};
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struct efi_block_io {
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u64 revision;
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struct efi_block_io_media *media;
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efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
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char extended_verification);
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efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
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u32 media_id, u64 lba, unsigned long buffer_size,
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void *buffer);
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efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
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u32 media_id, u64 lba, unsigned long buffer_size,
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void *buffer);
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efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
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};
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struct simple_text_output_mode {
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s32 max_mode;
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s32 mode;
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s32 attribute;
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s32 cursor_column;
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s32 cursor_row;
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bool cursor_visible;
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};
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struct efi_simple_text_output_protocol {
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void *reset;
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efi_status_t (EFIAPI *output_string)(
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struct efi_simple_text_output_protocol *this,
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const unsigned short *str);
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efi_status_t (EFIAPI *test_string)(
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struct efi_simple_text_output_protocol *this,
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const unsigned short *str);
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efi_status_t(EFIAPI *query_mode)(
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struct efi_simple_text_output_protocol *this,
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unsigned long mode_number, unsigned long *columns,
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unsigned long *rows);
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efi_status_t(EFIAPI *set_mode)(
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struct efi_simple_text_output_protocol *this,
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unsigned long mode_number);
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efi_status_t(EFIAPI *set_attribute)(
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struct efi_simple_text_output_protocol *this,
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unsigned long attribute);
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efi_status_t(EFIAPI *clear_screen) (
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struct efi_simple_text_output_protocol *this);
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efi_status_t(EFIAPI *set_cursor_position) (
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struct efi_simple_text_output_protocol *this,
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unsigned long column, unsigned long row);
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efi_status_t(EFIAPI *enable_cursor)(
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struct efi_simple_text_output_protocol *this,
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bool enable);
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struct simple_text_output_mode *mode;
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};
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struct efi_input_key {
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u16 scan_code;
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s16 unicode_char;
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};
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struct efi_simple_input_interface {
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efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
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bool ExtendedVerification);
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efi_status_t(EFIAPI *read_key_stroke)(
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struct efi_simple_input_interface *this,
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struct efi_input_key *key);
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void *wait_for_key;
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};
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#define CONSOLE_CONTROL_GUID \
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EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
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0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
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#define EFI_CONSOLE_MODE_TEXT 0
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#define EFI_CONSOLE_MODE_GFX 1
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struct efi_console_control_protocol
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{
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efi_status_t (EFIAPI *get_mode)(
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struct efi_console_control_protocol *this, int *mode,
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char *uga_exists, char *std_in_locked);
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efi_status_t (EFIAPI *set_mode)(
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struct efi_console_control_protocol *this, int mode);
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efi_status_t (EFIAPI *lock_std_in)(
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struct efi_console_control_protocol *this,
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uint16_t *password);
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};
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#define EFI_GOP_GUID \
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EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
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0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
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#define EFI_GOT_RGBA8 0
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#define EFI_GOT_BGRA8 1
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#define EFI_GOT_BITMASK 2
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struct efi_gop_mode_info
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{
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u32 version;
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u32 width;
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u32 height;
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u32 pixel_format;
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u32 pixel_bitmask[4];
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u32 pixels_per_scanline;
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};
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struct efi_gop_mode
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{
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u32 max_mode;
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u32 mode;
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struct efi_gop_mode_info *info;
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unsigned long info_size;
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efi_physical_addr_t fb_base;
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unsigned long fb_size;
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};
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#define EFI_BLT_VIDEO_FILL 0
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#define EFI_BLT_VIDEO_TO_BLT_BUFFER 1
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#define EFI_BLT_BUFFER_TO_VIDEO 2
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#define EFI_BLT_VIDEO_TO_VIDEO 3
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struct efi_gop
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{
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efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
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unsigned long *size_of_info,
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struct efi_gop_mode_info **info);
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efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
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efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
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unsigned long operation, unsigned long sx,
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unsigned long sy, unsigned long dx,
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unsigned long dy, unsigned long width,
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unsigned long height, unsigned long delta);
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struct efi_gop_mode *mode;
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};
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#define EFI_SIMPLE_NETWORK_GUID \
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EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
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0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
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struct efi_mac_address {
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char mac_addr[32];
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};
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struct efi_ip_address {
|
|
u8 ip_addr[16];
|
|
};
|
|
|
|
enum efi_simple_network_state {
|
|
EFI_NETWORK_STOPPED,
|
|
EFI_NETWORK_STARTED,
|
|
EFI_NETWORK_INITIALIZED,
|
|
};
|
|
|
|
struct efi_simple_network_mode {
|
|
enum efi_simple_network_state state;
|
|
u32 hwaddr_size;
|
|
u32 media_header_size;
|
|
u32 max_packet_size;
|
|
u32 nvram_size;
|
|
u32 nvram_access_size;
|
|
u32 receive_filter_mask;
|
|
u32 receive_filter_setting;
|
|
u32 max_mcast_filter_count;
|
|
u32 mcast_filter_count;
|
|
struct efi_mac_address mcast_filter[16];
|
|
struct efi_mac_address current_address;
|
|
struct efi_mac_address broadcast_address;
|
|
struct efi_mac_address permanent_address;
|
|
u8 if_type;
|
|
u8 mac_changeable;
|
|
u8 multitx_supported;
|
|
u8 media_present_supported;
|
|
u8 media_present;
|
|
};
|
|
|
|
#define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST 0x01,
|
|
#define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST 0x02,
|
|
#define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST 0x04,
|
|
#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS 0x08,
|
|
#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
|
|
|
|
struct efi_simple_network
|
|
{
|
|
u64 revision;
|
|
efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
|
|
efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
|
|
efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
|
|
ulong extra_rx, ulong extra_tx);
|
|
efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
|
|
int extended_verification);
|
|
efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
|
|
efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
|
|
u32 enable, u32 disable, int reset_mcast_filter,
|
|
ulong mcast_filter_count,
|
|
struct efi_mac_address *mcast_filter);
|
|
efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
|
|
int reset, struct efi_mac_address *new_mac);
|
|
efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
|
|
int reset, ulong *stat_size, void *stat_table);
|
|
efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
|
|
int ipv6, struct efi_ip_address *ip,
|
|
struct efi_mac_address *mac);
|
|
efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
|
|
int read_write, ulong offset, ulong buffer_size,
|
|
char *buffer);
|
|
efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
|
|
u32 *int_status, void **txbuf);
|
|
efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
|
|
ulong header_size, ulong buffer_size, void *buffer,
|
|
struct efi_mac_address *src_addr,
|
|
struct efi_mac_address *dest_addr, u16 *protocol);
|
|
efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
|
|
ulong *header_size, ulong *buffer_size, void *buffer,
|
|
struct efi_mac_address *src_addr,
|
|
struct efi_mac_address *dest_addr, u16 *protocol);
|
|
void (EFIAPI *waitforpacket)(void);
|
|
struct efi_simple_network_mode *mode;
|
|
};
|
|
|
|
#define EFI_PXE_GUID \
|
|
EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
|
|
0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
|
|
|
|
struct efi_pxe_packet {
|
|
u8 packet[1472];
|
|
};
|
|
|
|
struct efi_pxe_mode
|
|
{
|
|
u8 unused[52];
|
|
struct efi_pxe_packet dhcp_discover;
|
|
struct efi_pxe_packet dhcp_ack;
|
|
struct efi_pxe_packet proxy_offer;
|
|
struct efi_pxe_packet pxe_discover;
|
|
struct efi_pxe_packet pxe_reply;
|
|
};
|
|
|
|
struct efi_pxe {
|
|
u64 rev;
|
|
void (EFIAPI *start)(void);
|
|
void (EFIAPI *stop)(void);
|
|
void (EFIAPI *dhcp)(void);
|
|
void (EFIAPI *discover)(void);
|
|
void (EFIAPI *mftp)(void);
|
|
void (EFIAPI *udpwrite)(void);
|
|
void (EFIAPI *udpread)(void);
|
|
void (EFIAPI *setipfilter)(void);
|
|
void (EFIAPI *arp)(void);
|
|
void (EFIAPI *setparams)(void);
|
|
void (EFIAPI *setstationip)(void);
|
|
void (EFIAPI *setpackets)(void);
|
|
struct efi_pxe_mode *mode;
|
|
};
|
|
|
|
#endif
|