| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ard Biesheuvel | 2462 | 61.52% | 75 | 57.69% |
| Arvind Sankar | 520 | 12.99% | 14 | 10.77% |
| Matt Fleming | 357 | 8.92% | 7 | 5.38% |
| Baskov Evgeniy | 247 | 6.17% | 2 | 1.54% |
| Roy Franz | 107 | 2.67% | 6 | 4.62% |
| Matthew Garrett | 104 | 2.60% | 5 | 3.85% |
| Ingo Molnar | 39 | 0.97% | 1 | 0.77% |
| Jeffrey Hugo | 38 | 0.95% | 2 | 1.54% |
| Thiébaud Weksteen | 29 | 0.72% | 1 | 0.77% |
| Mark Salter | 29 | 0.72% | 1 | 0.77% |
| Sunil V L | 20 | 0.50% | 1 | 0.77% |
| David Howells | 7 | 0.17% | 2 | 1.54% |
| David Mosberger-Tang | 7 | 0.17% | 1 | 0.77% |
| Dave Young | 5 | 0.12% | 1 | 0.77% |
| Lukas Wunner | 5 | 0.12% | 1 | 0.77% |
| Atish Patra | 5 | 0.12% | 1 | 0.77% |
| Ilias Apalodimas | 4 | 0.10% | 1 | 0.77% |
| Yinghai Lu | 4 | 0.10% | 1 | 0.77% |
| Kairui Song | 4 | 0.10% | 1 | 0.77% |
| Vivek Goyal | 3 | 0.07% | 1 | 0.77% |
| Dominik Brodowski | 2 | 0.05% | 1 | 0.77% |
| Lenny Szubowicz | 1 | 0.02% | 1 | 0.77% |
| Greg Kroah-Hartman | 1 | 0.02% | 1 | 0.77% |
| Heinrich Schuchardt | 1 | 0.02% | 1 | 0.77% |
| H. Peter Anvin | 1 | 0.02% | 1 | 0.77% |
| Total | 4002 | 130 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H #include <linux/compiler.h> #include <linux/efi.h> #include <linux/kernel.h> #include <linux/kern_levels.h> #include <linux/types.h> #include <asm/efi.h> /* * __init annotations should not be used in the EFI stub, since the code is * either included in the decompressor (x86, ARM) where they have no effect, * or the whole stub is __init annotated at the section level (arm64), by * renaming the sections, in which case the __init annotation will be * redundant, and will result in section names like .init.init.text, and our * linker script does not expect that. */ #undef __init /* * Allow the platform to override the allocation granularity: this allows * systems that have the capability to run with a larger page size to deal * with the allocations for initrd and fdt more efficiently. */ #ifndef EFI_ALLOC_ALIGN #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE #endif #ifndef EFI_ALLOC_LIMIT #define EFI_ALLOC_LIMIT ULONG_MAX #endif extern bool efi_nochunk; extern bool efi_nokaslr; extern int efi_loglevel; extern bool efi_novamap; extern const efi_system_table_t *efi_system_table; typedef union efi_dxe_services_table efi_dxe_services_table_t; extern const efi_dxe_services_table_t *efi_dxe_table; efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg); #ifndef ARCH_HAS_EFISTUB_WRAPPERS #define efi_is_native() (true) #define efi_table_attr(inst, attr) (inst)->attr #define efi_fn_call(inst, func, ...) (inst)->func(__VA_ARGS__) #endif #define efi_call_proto(inst, func, ...) ({ \ __typeof__(inst) __inst = (inst); \ efi_fn_call(__inst, func, __inst, ##__VA_ARGS__); \ }) #define efi_bs_call(func, ...) \ efi_fn_call(efi_table_attr(efi_system_table, boottime), func, ##__VA_ARGS__) #define efi_rt_call(func, ...) \ efi_fn_call(efi_table_attr(efi_system_table, runtime), func, ##__VA_ARGS__) #define efi_dxe_call(func, ...) \ efi_fn_call(efi_dxe_table, func, ##__VA_ARGS__) #define efi_info(fmt, ...) \ efi_printk(KERN_INFO fmt, ##__VA_ARGS__) #define efi_warn(fmt, ...) \ efi_printk(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) #define efi_err(fmt, ...) \ efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) #define efi_debug(fmt, ...) \ efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) #define efi_printk_once(fmt, ...) \ ({ \ static bool __print_once; \ bool __ret_print_once = !__print_once; \ \ if (!__print_once) { \ __print_once = true; \ efi_printk(fmt, ##__VA_ARGS__); \ } \ __ret_print_once; \ }) #define efi_info_once(fmt, ...) \ efi_printk_once(KERN_INFO fmt, ##__VA_ARGS__) #define efi_warn_once(fmt, ...) \ efi_printk_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__) #define efi_err_once(fmt, ...) \ efi_printk_once(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__) #define efi_debug_once(fmt, ...) \ efi_printk_once(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__) /* Helper macros for the usual case of using simple C variables: */ #ifndef fdt_setprop_inplace_var #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) #endif #ifndef fdt_setprop_var #define fdt_setprop_var(fdt, node_offset, name, var) \ fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) #endif #define get_efi_var(name, vendor, ...) \ efi_rt_call(get_variable, (efi_char16_t *)(name), \ (efi_guid_t *)(vendor), __VA_ARGS__) #define set_efi_var(name, vendor, ...) \ efi_rt_call(set_variable, (efi_char16_t *)(name), \ (efi_guid_t *)(vendor), __VA_ARGS__) #define efi_get_handle_at(array, idx) \ (efi_is_native() ? (array)[idx] \ : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) #define efi_get_handle_num(size) \ ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) #define for_each_efi_handle(handle, array, size, i) \ for (i = 0; \ i < efi_get_handle_num(size) && \ ((handle = efi_get_handle_at((array), i)) || true); \ i++) static inline void efi_set_u64_split(u64 data, u32 *lo, u32 *hi) { *lo = lower_32_bits(data); *hi = upper_32_bits(data); } /* * Allocation types for calls to boottime->allocate_pages. */ #define EFI_ALLOCATE_ANY_PAGES 0 #define EFI_ALLOCATE_MAX_ADDRESS 1 #define EFI_ALLOCATE_ADDRESS 2 #define EFI_MAX_ALLOCATE_TYPE 3 /* * The type of search to perform when calling boottime->locate_handle */ #define EFI_LOCATE_ALL_HANDLES 0 #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 #define EFI_LOCATE_BY_PROTOCOL 2 /* * boottime->stall takes the time period in microseconds */ #define EFI_USEC_PER_SEC 1000000 /* * boottime->set_timer takes the time in 100ns units */ #define EFI_100NSEC_PER_USEC ((u64)10) /* * An efi_boot_memmap is used by efi_get_memory_map() to return the * EFI memory map in a dynamically allocated buffer. * * The buffer allocated for the EFI memory map includes extra room for * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors. * This facilitates the reuse of the EFI memory map buffer when a second * call to ExitBootServices() is needed because of intervening changes to * the EFI memory map. Other related structures, e.g. x86 e820ext, need * to factor in this headroom requirement as well. */ #define EFI_MMAP_NR_SLACK_SLOTS 8 typedef struct efi_generic_dev_path efi_device_path_protocol_t; union efi_device_path_to_text_protocol { struct { efi_char16_t *(__efiapi *convert_device_node_to_text)( const efi_device_path_protocol_t *, bool, bool); efi_char16_t *(__efiapi *convert_device_path_to_text)( const efi_device_path_protocol_t *, bool, bool); }; struct { u32 convert_device_node_to_text; u32 convert_device_path_to_text; } mixed_mode; }; typedef union efi_device_path_to_text_protocol efi_device_path_to_text_protocol_t; union efi_device_path_from_text_protocol { struct { efi_device_path_protocol_t * (__efiapi *convert_text_to_device_node)(const efi_char16_t *); efi_device_path_protocol_t * (__efiapi *convert_text_to_device_path)(const efi_char16_t *); }; struct { u32 convert_text_to_device_node; u32 convert_text_to_device_path; } mixed_mode; }; typedef union efi_device_path_from_text_protocol efi_device_path_from_text_protocol_t; typedef void *efi_event_t; /* Note that notifications won't work in mixed mode */ typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); #define EFI_EVT_TIMER 0x80000000U #define EFI_EVT_RUNTIME 0x40000000U #define EFI_EVT_NOTIFY_WAIT 0x00000100U #define EFI_EVT_NOTIFY_SIGNAL 0x00000200U /** * efi_set_event_at() - add event to events array * * @events: array of UEFI events * @ids: index where to put the event in the array * @event: event to add to the aray * * boottime->wait_for_event() takes an array of events as input. * Provide a helper to set it up correctly for mixed mode. */ static inline void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event) { if (efi_is_native()) events[idx] = event; else ((u32 *)events)[idx] = (u32)(unsigned long)event; } #define EFI_TPL_APPLICATION 4 #define EFI_TPL_CALLBACK 8 #define EFI_TPL_NOTIFY 16 #define EFI_TPL_HIGH_LEVEL 31 typedef enum { EfiTimerCancel, EfiTimerPeriodic, EfiTimerRelative } EFI_TIMER_DELAY; /* * EFI Boot Services table */ union efi_boot_services { struct { efi_table_hdr_t hdr; void *raise_tpl; void *restore_tpl; efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, efi_physical_addr_t *); efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, unsigned long); efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, unsigned long *, unsigned long *, u32 *); efi_status_t (__efiapi *allocate_pool)(int, unsigned long, void **); efi_status_t (__efiapi *free_pool)(void *); efi_status_t (__efiapi *create_event)(u32, unsigned long, efi_event_notify_t, void *, efi_event_t *); efi_status_t (__efiapi *set_timer)(efi_event_t, EFI_TIMER_DELAY, u64); efi_status_t (__efiapi *wait_for_event)(unsigned long, efi_event_t *, unsigned long *); void *signal_event; efi_status_t (__efiapi *close_event)(efi_event_t); void *check_event; void *install_protocol_interface; void *reinstall_protocol_interface; void *uninstall_protocol_interface; efi_status_t (__efiapi *handle_protocol)(efi_handle_t, efi_guid_t *, void **); void *__reserved; void *register_protocol_notify; efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, void *, unsigned long *, efi_handle_t *); efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, efi_device_path_protocol_t **, efi_handle_t *); efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, void *); efi_status_t (__efiapi *load_image)(bool, efi_handle_t, efi_device_path_protocol_t *, void *, unsigned long, efi_handle_t *); efi_status_t (__efiapi *start_image)(efi_handle_t, unsigned long *, efi_char16_t **); efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, efi_status_t, unsigned long, efi_char16_t *); efi_status_t (__efiapi *unload_image)(efi_handle_t); efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, unsigned long); void *get_next_monotonic_count; efi_status_t (__efiapi *stall)(unsigned long); void *set_watchdog_timer; void *connect_controller; efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, efi_handle_t, efi_handle_t); void *open_protocol; void *close_protocol; void *open_protocol_information; void *protocols_per_handle; void *locate_handle_buffer; efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, void **); efi_status_t (__efiapi *install_multiple_protocol_interfaces)(efi_handle_t *, ...); efi_status_t (__efiapi *uninstall_multiple_protocol_interfaces)(efi_handle_t, ...); void *calculate_crc32; void (__efiapi *copy_mem)(void *, const void *, unsigned long); void (__efiapi *set_mem)(void *, unsigned long, unsigned char); void *create_event_ex; }; struct { efi_table_hdr_t hdr; u32 raise_tpl; u32 restore_tpl; u32 allocate_pages; u32 free_pages; u32 get_memory_map; u32 allocate_pool; u32 free_pool; u32 create_event; u32 set_timer; u32 wait_for_event; u32 signal_event; u32 close_event; u32 check_event; u32 install_protocol_interface; u32 reinstall_protocol_interface; u32 uninstall_protocol_interface; u32 handle_protocol; u32 __reserved; u32 register_protocol_notify; u32 locate_handle; u32 locate_device_path; u32 install_configuration_table; u32 load_image; u32 start_image; u32 exit; u32 unload_image; u32 exit_boot_services; u32 get_next_monotonic_count; u32 stall; u32 set_watchdog_timer; u32 connect_controller; u32 disconnect_controller; u32 open_protocol; u32 close_protocol; u32 open_protocol_information; u32 protocols_per_handle; u32 locate_handle_buffer; u32 locate_protocol; u32 install_multiple_protocol_interfaces; u32 uninstall_multiple_protocol_interfaces; u32 calculate_crc32; u32 copy_mem; u32 set_mem; u32 create_event_ex; } mixed_mode; }; typedef enum { EfiGcdMemoryTypeNonExistent, EfiGcdMemoryTypeReserved, EfiGcdMemoryTypeSystemMemory, EfiGcdMemoryTypeMemoryMappedIo, EfiGcdMemoryTypePersistent, EfiGcdMemoryTypeMoreReliable, EfiGcdMemoryTypeMaximum } efi_gcd_memory_type_t; typedef struct { efi_physical_addr_t base_address; u64 length; u64 capabilities; u64 attributes; efi_gcd_memory_type_t gcd_memory_type; void *image_handle; void *device_handle; } efi_gcd_memory_space_desc_t; /* * EFI DXE Services table */ union efi_dxe_services_table { struct { efi_table_hdr_t hdr; void *add_memory_space; void *allocate_memory_space; void *free_memory_space; void *remove_memory_space; efi_status_t (__efiapi *get_memory_space_descriptor)(efi_physical_addr_t, efi_gcd_memory_space_desc_t *); efi_status_t (__efiapi *set_memory_space_attributes)(efi_physical_addr_t, u64, u64); void *get_memory_space_map; void *add_io_space; void *allocate_io_space; void *free_io_space; void *remove_io_space; void *get_io_space_descriptor; void *get_io_space_map; void *dispatch; void *schedule; void *trust; void *process_firmware_volume; void *set_memory_space_capabilities; }; struct { efi_table_hdr_t hdr; u32 add_memory_space; u32 allocate_memory_space; u32 free_memory_space; u32 remove_memory_space; u32 get_memory_space_descriptor; u32 set_memory_space_attributes; u32 get_memory_space_map; u32 add_io_space; u32 allocate_io_space; u32 free_io_space; u32 remove_io_space; u32 get_io_space_descriptor; u32 get_io_space_map; u32 dispatch; u32 schedule; u32 trust; u32 process_firmware_volume; u32 set_memory_space_capabilities; } mixed_mode; }; typedef union efi_memory_attribute_protocol efi_memory_attribute_protocol_t; union efi_memory_attribute_protocol { struct { efi_status_t (__efiapi *get_memory_attributes)( efi_memory_attribute_protocol_t *, efi_physical_addr_t, u64, u64 *); efi_status_t (__efiapi *set_memory_attributes)( efi_memory_attribute_protocol_t *, efi_physical_addr_t, u64, u64); efi_status_t (__efiapi *clear_memory_attributes)( efi_memory_attribute_protocol_t *, efi_physical_addr_t, u64, u64); }; struct { u32 get_memory_attributes; u32 set_memory_attributes; u32 clear_memory_attributes; } mixed_mode; }; typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; union efi_uga_draw_protocol { struct { efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, u32*, u32*, u32*, u32*); void *set_mode; void *blt; }; struct { u32 get_mode; u32 set_mode; u32 blt; } mixed_mode; }; typedef struct { u16 scan_code; efi_char16_t unicode_char; } efi_input_key_t; union efi_simple_text_input_protocol { struct { void *reset; efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *, efi_input_key_t *); efi_event_t wait_for_key; }; struct { u32 reset; u32 read_keystroke; u32 wait_for_key; } mixed_mode; }; efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key); union efi_simple_text_output_protocol { struct { void *reset; efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, efi_char16_t *); void *test_string; }; struct { u32 reset; u32 output_string; u32 test_string; } mixed_mode; }; #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 #define PIXEL_BIT_MASK 2 #define PIXEL_BLT_ONLY 3 #define PIXEL_FORMAT_MAX 4 typedef struct { u32 red_mask; u32 green_mask; u32 blue_mask; u32 reserved_mask; } efi_pixel_bitmask_t; typedef struct { u32 version; u32 horizontal_resolution; u32 vertical_resolution; int pixel_format; efi_pixel_bitmask_t pixel_information; u32 pixels_per_scan_line; } efi_graphics_output_mode_info_t; typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; union efi_graphics_output_protocol_mode { struct { u32 max_mode; u32 mode; efi_graphics_output_mode_info_t *info; unsigned long size_of_info; efi_physical_addr_t frame_buffer_base; unsigned long frame_buffer_size; }; struct { u32 max_mode; u32 mode; u32 info; u32 size_of_info; u64 frame_buffer_base; u32 frame_buffer_size; } mixed_mode; }; typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; union efi_graphics_output_protocol { struct { efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, u32, unsigned long *, efi_graphics_output_mode_info_t **); efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); void *blt; efi_graphics_output_protocol_mode_t *mode; }; struct { u32 query_mode; u32 set_mode; u32 blt; u32 mode; } mixed_mode; }; typedef union { struct { u32 revision; efi_handle_t parent_handle; efi_system_table_t *system_table; efi_handle_t device_handle; void *file_path; void *reserved; u32 load_options_size; void *load_options; void *image_base; __aligned_u64 image_size; unsigned int image_code_type; unsigned int image_data_type; efi_status_t (__efiapi *unload)(efi_handle_t image_handle); }; struct { u32 revision; u32 parent_handle; u32 system_table; u32 device_handle; u32 file_path; u32 reserved; u32 load_options_size; u32 load_options; u32 image_base; __aligned_u64 image_size; u32 image_code_type; u32 image_data_type; u32 unload; } mixed_mode; } efi_loaded_image_t; typedef struct { u64 size; u64 file_size; u64 phys_size; efi_time_t create_time; efi_time_t last_access_time; efi_time_t modification_time; __aligned_u64 attribute; efi_char16_t filename[]; } efi_file_info_t; typedef union efi_file_protocol efi_file_protocol_t; union efi_file_protocol { struct { u64 revision; efi_status_t (__efiapi *open) (efi_file_protocol_t *, efi_file_protocol_t **, efi_char16_t *, u64, u64); efi_status_t (__efiapi *close) (efi_file_protocol_t *); efi_status_t (__efiapi *delete) (efi_file_protocol_t *); efi_status_t (__efiapi *read) (efi_file_protocol_t *, unsigned long *, void *); efi_status_t (__efiapi *write) (efi_file_protocol_t *, unsigned long, void *); efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, efi_guid_t *, unsigned long *, void *); efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, efi_guid_t *, unsigned long, void *); efi_status_t (__efiapi *flush) (efi_file_protocol_t *); }; struct { u64 revision; u32 open; u32 close; u32 delete; u32 read; u32 write; u32 get_position; u32 set_position; u32 get_info; u32 set_info; u32 flush; } mixed_mode; }; typedef union efi_simple_file_system_protocol efi_simple_file_system_protocol_t; union efi_simple_file_system_protocol { struct { u64 revision; efi_status_t (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, efi_file_protocol_t **); }; struct { u64 revision; u32 open_volume; } mixed_mode; }; #define EFI_FILE_MODE_READ 0x0000000000000001 #define EFI_FILE_MODE_WRITE 0x0000000000000002 #define EFI_FILE_MODE_CREATE 0x8000000000000000 typedef enum { EfiPciIoWidthUint8, EfiPciIoWidthUint16, EfiPciIoWidthUint32, EfiPciIoWidthUint64, EfiPciIoWidthFifoUint8, EfiPciIoWidthFifoUint16, EfiPciIoWidthFifoUint32, EfiPciIoWidthFifoUint64, EfiPciIoWidthFillUint8, EfiPciIoWidthFillUint16, EfiPciIoWidthFillUint32, EfiPciIoWidthFillUint64, EfiPciIoWidthMaximum } EFI_PCI_IO_PROTOCOL_WIDTH; typedef enum { EfiPciIoAttributeOperationGet, EfiPciIoAttributeOperationSet, EfiPciIoAttributeOperationEnable, EfiPciIoAttributeOperationDisable, EfiPciIoAttributeOperationSupported, EfiPciIoAttributeOperationMaximum } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; typedef struct { u32 read; u32 write; } efi_pci_io_protocol_access_32_t; typedef union efi_pci_io_protocol efi_pci_io_protocol_t; typedef efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, EFI_PCI_IO_PROTOCOL_WIDTH, u32 offset, unsigned long count, void *buffer); typedef struct { void *read; void *write; } efi_pci_io_protocol_access_t; typedef struct { efi_pci_io_protocol_cfg_t read; efi_pci_io_protocol_cfg_t write; } efi_pci_io_protocol_config_access_t; union efi_pci_io_protocol { struct { void *poll_mem; void *poll_io; efi_pci_io_protocol_access_t mem; efi_pci_io_protocol_access_t io; efi_pci_io_protocol_config_access_t pci; void *copy_mem; void *map; void *unmap; void *allocate_buffer; void *free_buffer; void *flush; efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, unsigned long *segment_nr, unsigned long *bus_nr, unsigned long *device_nr, unsigned long *func_nr); void *attributes; void *get_bar_attributes; void *set_bar_attributes; uint64_t romsize; void *romimage; }; struct { u32 poll_mem; u32 poll_io; efi_pci_io_protocol_access_32_t mem; efi_pci_io_protocol_access_32_t io; efi_pci_io_protocol_access_32_t pci; u32 copy_mem; u32 map; u32 unmap; u32 allocate_buffer; u32 free_buffer; u32 flush; u32 get_location; u32 attributes; u32 get_bar_attributes; u32 set_bar_attributes; u64 romsize; u32 romimage; } mixed_mode; }; #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 struct efi_dev_path; typedef union apple_properties_protocol apple_properties_protocol_t; union apple_properties_protocol { struct { unsigned long version; efi_status_t (__efiapi *get)(apple_properties_protocol_t *, struct efi_dev_path *, efi_char16_t *, void *, u32 *); efi_status_t (__efiapi *set)(apple_properties_protocol_t *, struct efi_dev_path *, efi_char16_t *, void *, u32); efi_status_t (__efiapi *del)(apple_properties_protocol_t *, struct efi_dev_path *, efi_char16_t *); efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, void *buffer, u32 *); }; struct { u32 version; u32 get; u32 set; u32 del; u32 get_all; } mixed_mode; }; typedef u32 efi_tcg2_event_log_format; #define INITRD_EVENT_TAG_ID 0x8F3B22ECU #define LOAD_OPTIONS_EVENT_TAG_ID 0x8F3B22EDU #define EV_EVENT_TAG 0x00000006U #define EFI_TCG2_EVENT_HEADER_VERSION 0x1 struct efi_tcg2_event { u32 event_size; struct { u32 header_size; u16 header_version; u32 pcr_index; u32 event_type; } __packed event_header; /* u8[] event follows here */ } __packed; struct efi_tcg2_tagged_event { u32 tagged_event_id; u32 tagged_event_data_size; /* u8 tagged event data follows here */ } __packed; typedef struct efi_tcg2_event efi_tcg2_event_t; typedef struct efi_tcg2_tagged_event efi_tcg2_tagged_event_t; typedef union efi_tcg2_protocol efi_tcg2_protocol_t; union efi_tcg2_protocol { struct { void *get_capability; efi_status_t (__efiapi *get_event_log)(efi_tcg2_protocol_t *, efi_tcg2_event_log_format, efi_physical_addr_t *, efi_physical_addr_t *, efi_bool_t *); efi_status_t (__efiapi *hash_log_extend_event)(efi_tcg2_protocol_t *, u64, efi_physical_addr_t, u64, const efi_tcg2_event_t *); void *submit_command; void *get_active_pcr_banks; void *set_active_pcr_banks; void *get_result_of_set_active_pcr_banks; }; struct { u32 get_capability; u32 get_event_log; u32 hash_log_extend_event; u32 submit_command; u32 get_active_pcr_banks; u32 set_active_pcr_banks; u32 get_result_of_set_active_pcr_banks; } mixed_mode; }; struct riscv_efi_boot_protocol { u64 revision; efi_status_t (__efiapi *get_boot_hartid)(struct riscv_efi_boot_protocol *, unsigned long *boot_hartid); }; typedef union efi_load_file_protocol efi_load_file_protocol_t; typedef union efi_load_file_protocol efi_load_file2_protocol_t; union efi_load_file_protocol { struct { efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, efi_device_path_protocol_t *, bool, unsigned long *, void *); }; struct { u32 load_file; } mixed_mode; }; typedef struct { u32 attributes; u16 file_path_list_length; u8 variable_data[]; // efi_char16_t description[]; // efi_device_path_protocol_t file_path_list[]; // u8 optional_data[]; } __packed efi_load_option_t; #define EFI_LOAD_OPTION_ACTIVE 0x0001U #define EFI_LOAD_OPTION_FORCE_RECONNECT 0x0002U #define EFI_LOAD_OPTION_HIDDEN 0x0008U #define EFI_LOAD_OPTION_CATEGORY 0x1f00U #define EFI_LOAD_OPTION_CATEGORY_BOOT 0x0000U #define EFI_LOAD_OPTION_CATEGORY_APP 0x0100U #define EFI_LOAD_OPTION_BOOT_MASK \ (EFI_LOAD_OPTION_ACTIVE|EFI_LOAD_OPTION_HIDDEN|EFI_LOAD_OPTION_CATEGORY) #define EFI_LOAD_OPTION_MASK (EFI_LOAD_OPTION_FORCE_RECONNECT|EFI_LOAD_OPTION_BOOT_MASK) typedef struct { u32 attributes; u16 file_path_list_length; const efi_char16_t *description; const efi_device_path_protocol_t *file_path_list; u32 optional_data_size; const void *optional_data; } efi_load_option_unpacked_t; void efi_pci_disable_bridge_busmaster(void); typedef efi_status_t (*efi_exit_boot_map_processing)( struct efi_boot_memmap *map, void *priv); efi_status_t efi_exit_boot_services(void *handle, void *priv, efi_exit_boot_map_processing priv_func); efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image, unsigned long kernel_addr, char *cmdline_ptr); void *get_fdt(unsigned long *fdt_size); efi_status_t efi_alloc_virtmap(efi_memory_desc_t **virtmap, unsigned long *desc_size, u32 *desc_ver); void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, unsigned long desc_size, efi_memory_desc_t *runtime_map, int *count); efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); efi_status_t efi_random_alloc(unsigned long size, unsigned long align, unsigned long *addr, unsigned long random_seed, int memory_type); efi_status_t efi_random_get_seed(void); efi_status_t check_platform_features(void); void *get_efi_config_table(efi_guid_t guid); /* NOTE: These functions do not print a trailing newline after the string */ void efi_char16_puts(efi_char16_t *); void efi_puts(const char *str); __printf(1, 2) int efi_printk(char const *fmt, ...); void efi_free(unsigned long size, unsigned long addr); void efi_apply_loadoptions_quirk(const void **load_options, u32 *load_options_size); char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len); efi_status_t efi_get_memory_map(struct efi_boot_memmap **map, bool install_cfg_tbl); efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, unsigned long max); efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, unsigned long max, unsigned long align, int memory_type); efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, unsigned long *addr, unsigned long min); efi_status_t efi_relocate_kernel(unsigned long *image_addr, unsigned long image_size, unsigned long alloc_size, unsigned long preferred_addr, unsigned long alignment, unsigned long min_addr); efi_status_t efi_parse_options(char const *cmdline); void efi_parse_option_graphics(char *option); efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, unsigned long size); efi_status_t handle_cmdline_files(efi_loaded_image_t *image, const efi_char16_t *optstr, int optstr_size, unsigned long soft_limit, unsigned long hard_limit, unsigned long *load_addr, unsigned long *load_size); static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, unsigned long *load_addr, unsigned long *load_size) { return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, ULONG_MAX, ULONG_MAX, load_addr, load_size); } efi_status_t efi_load_initrd(efi_loaded_image_t *image, unsigned long soft_limit, unsigned long hard_limit, const struct linux_efi_initrd **out); /* * This function handles the architcture specific differences between arm and * arm64 regarding where the kernel image must be loaded and any memory that * must be reserved. On failure it is required to free all * all allocations it has made. */ efi_status_t handle_kernel_image(unsigned long *image_addr, unsigned long *image_size, unsigned long *reserve_addr, unsigned long *reserve_size, efi_loaded_image_t *image, efi_handle_t image_handle); /* shared entrypoint between the normal stub and the zboot stub */ efi_status_t efi_stub_common(efi_handle_t handle, efi_loaded_image_t *image, unsigned long image_addr, char *cmdline_ptr); efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr); asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint, unsigned long fdt_addr, unsigned long fdt_size); void efi_handle_post_ebs_state(void); enum efi_secureboot_mode efi_get_secureboot(void); #ifdef CONFIG_RESET_ATTACK_MITIGATION void efi_enable_reset_attack_mitigation(void); #else static inline void efi_enable_reset_attack_mitigation(void) { } #endif void efi_retrieve_tpm2_eventlog(void); struct screen_info *alloc_screen_info(void); struct screen_info *__alloc_screen_info(void); void free_screen_info(struct screen_info *si); void efi_cache_sync_image(unsigned long image_base, unsigned long alloc_size, unsigned long code_size); struct efi_smbios_record { u8 type; u8 length; u16 handle; }; const struct efi_smbios_record *efi_get_smbios_record(u8 type); struct efi_smbios_type1_record { struct efi_smbios_record header; u8 manufacturer; u8 product_name; u8 version; u8 serial_number; efi_guid_t uuid; u8 wakeup_type; u8 sku_number; u8 family; }; struct efi_smbios_type4_record { struct efi_smbios_record header; u8 socket; u8 processor_type; u8 processor_family; u8 processor_manufacturer; u8 processor_id[8]; u8 processor_version; u8 voltage; u16 external_clock; u16 max_speed; u16 current_speed; u8 status; u8 processor_upgrade; u16 l1_cache_handle; u16 l2_cache_handle; u16 l3_cache_handle; u8 serial_number; u8 asset_tag; u8 part_number; u8 core_count; u8 enabled_core_count; u8 thread_count; u16 processor_characteristics; u16 processor_family2; u16 core_count2; u16 enabled_core_count2; u16 thread_count2; u16 thread_enabled; }; #define efi_get_smbios_string(__record, __type, __name) ({ \ int off = offsetof(struct efi_smbios_type ## __type ## _record, \ __name); \ __efi_get_smbios_string((__record), __type, off); \ }) const u8 *__efi_get_smbios_string(const struct efi_smbios_record *record, u8 type, int offset); void efi_remap_image(unsigned long image_base, unsigned alloc_size, unsigned long code_size); #endif
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