#ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
#define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
#include <linux/compiler.h>
#include <linux/cleanup.h>
#include <linux/efi.h>
#include <linux/kernel.h>
#include <linux/kern_levels.h>
#include <linux/types.h>
#include <asm/efi.h>
#undef __init
#ifndef EFI_ALLOC_ALIGN
#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
#endif
#ifndef EFI_ALLOC_LIMIT
#define EFI_ALLOC_LIMIT ULONG_MAX
#endif
struct edid_info;
struct screen_info;
struct sysfb_display_info;
extern bool efi_no5lvl;
extern bool efi_nochunk;
extern bool efi_nokaslr;
extern int efi_loglevel;
extern int efi_mem_encrypt;
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__)
#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, num) \
for (int __i = 0; __i < (num) && \
((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);
}
#define EFI_ALLOCATE_ANY_PAGES 0
#define EFI_ALLOCATE_MAX_ADDRESS 1
#define EFI_ALLOCATE_ADDRESS 2
#define EFI_MAX_ALLOCATE_TYPE 3
#define EFI_LOCATE_ALL_HANDLES 0
#define EFI_LOCATE_BY_REGISTER_NOTIFY 1
#define EFI_LOCATE_BY_PROTOCOL 2
#define EFI_USEC_PER_SEC 1000000
#define EFI_100NSEC_PER_USEC ((u64)10)
#define EFI_MMAP_NR_SLACK_SLOTS 32
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;
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
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;
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;
efi_status_t (__efiapi *locate_handle_buffer)(int, efi_guid_t *,
void *, unsigned long *,
efi_handle_t **);
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;
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 efi_edid_discovered_protocol efi_edid_discovered_protocol_t;
union efi_edid_discovered_protocol {
struct {
u32 size_of_edid;
u8 *edid;
};
struct {
u32 size_of_edid;
u32 edid;
} mixed_mode;
};
typedef union efi_edid_active_protocol efi_edid_active_protocol_t;
union efi_edid_active_protocol {
struct {
u32 size_of_edid;
u8 *edid;
};
struct {
u32 size_of_edid;
u32 edid;
} 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;
} __packed;
typedef struct tdTCG_PCClientTaggedEvent {
u32 tagged_event_id;
u32 tagged_event_data_size;
u8 tagged_event_data[];
} TCG_PCClientTaggedEvent;
typedef struct efi_tcg2_event efi_tcg2_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;
};
typedef struct {
u8 major;
u8 minor;
} efi_cc_version_t;
typedef struct {
u8 type;
u8 sub_type;
} efi_cc_type_t;
#define EFI_CC_TYPE_NONE 0
#define EFI_CC_TYPE_AMD_SEV 1
#define EFI_CC_TYPE_INTEL_TDX 2
typedef u32 efi_cc_mr_index_t;
struct efi_cc_event {
u32 event_size;
struct {
u32 header_size;
u16 header_version;
u32 mr_index;
u32 event_type;
} __packed event_header;
} __packed;
typedef struct efi_cc_event efi_cc_event_t;
typedef u32 efi_cc_event_log_bitmap_t;
typedef u32 efi_cc_event_log_format_t;
typedef u32 efi_cc_event_algorithm_bitmap_t;
typedef struct {
u8 size;
efi_cc_version_t structure_version;
efi_cc_version_t protocol_version;
efi_cc_event_algorithm_bitmap_t hash_algorithm_bitmap;
efi_cc_event_log_bitmap_t supported_event_logs;
efi_cc_type_t cc_type;
} efi_cc_boot_service_cap_t;
#define EFI_CC_EVENT_HEADER_VERSION 1
#define EFI_CC_BOOT_HASH_ALG_SHA384 0x00000004
#define EFI_CC_EVENT_LOG_FORMAT_TCG_2 0x00000002
typedef union efi_cc_protocol efi_cc_protocol_t;
union efi_cc_protocol {
struct {
efi_status_t
(__efiapi *get_capability)(efi_cc_protocol_t *,
efi_cc_boot_service_cap_t *);
efi_status_t
(__efiapi *get_event_log)(efi_cc_protocol_t *,
efi_cc_event_log_format_t,
efi_physical_addr_t *,
efi_physical_addr_t *,
efi_bool_t *);
efi_status_t
(__efiapi *hash_log_extend_event)(efi_cc_protocol_t *, u64,
efi_physical_addr_t, u64,
const efi_cc_event_t *);
efi_status_t
(__efiapi *map_pcr_to_mr_index)(efi_cc_protocol_t *, u32,
efi_cc_mr_index_t *);
};
struct {
u32 get_capability;
u32 get_event_log;
u32 hash_log_extend_event;
u32 map_pcr_to_mr_index;
} 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[];
} __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, unsigned long alloc_min,
unsigned long alloc_max);
efi_status_t efi_random_get_seed(void);
efi_status_t check_platform_features(void);
void *get_efi_config_table(efi_guid_t guid);
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);
DEFINE_FREE(efi_pool, void *, if (_T) efi_bs_call(free_pool, _T));
void efi_apply_loadoptions_quirk(const void **load_options, u32 *load_options_size);
char *efi_convert_cmdline(efi_loaded_image_t *image);
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_graphics(struct screen_info *si, struct edid_info *edid);
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);
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);
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_eventlog(void);
struct sysfb_display_info *alloc_primary_display(void);
struct sysfb_display_info *__alloc_primary_display(void);
void free_primary_display(struct sysfb_display_info *dpy);
void efi_cache_sync_image(unsigned long image_base,
unsigned long alloc_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, __field) ({ \
__typeof__(__record) __rec = __record; \
__efi_get_smbios_string(&__rec->header, &__rec->__field); \
})
const u8 *__efi_get_smbios_string(const struct efi_smbios_record *record,
const u8 *offset);
void efi_remap_image(unsigned long image_base, unsigned alloc_size,
unsigned long code_size);
efi_status_t efi_kaslr_relocate_kernel(unsigned long *image_addr,
unsigned long *reserve_addr,
unsigned long *reserve_size,
unsigned long kernel_size,
unsigned long kernel_codesize,
unsigned long kernel_memsize,
u32 phys_seed);
u32 efi_kaslr_get_phys_seed(efi_handle_t image_handle);
asmlinkage efi_status_t __efiapi
efi_zboot_entry(efi_handle_t handle, efi_system_table_t *systab);
efi_status_t allocate_unaccepted_bitmap(__u32 nr_desc,
struct efi_boot_memmap *map);
void process_unaccepted_memory(u64 start, u64 end);
void accept_memory(phys_addr_t start, unsigned long size);
void arch_accept_memory(phys_addr_t start, phys_addr_t end);
efi_status_t efi_zboot_decompress_init(unsigned long *alloc_size);
efi_status_t efi_zboot_decompress(u8 *out, unsigned long outlen);
#endif
