1146 lines
31 KiB
C
1146 lines
31 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
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#define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
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#include <linux/compiler.h>
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#include <linux/efi.h>
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#include <linux/kernel.h>
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#include <linux/kern_levels.h>
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#include <linux/types.h>
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#include <asm/efi.h>
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/*
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* __init annotations should not be used in the EFI stub, since the code is
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* either included in the decompressor (x86, ARM) where they have no effect,
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* or the whole stub is __init annotated at the section level (arm64), by
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* renaming the sections, in which case the __init annotation will be
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* redundant, and will result in section names like .init.init.text, and our
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* linker script does not expect that.
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*/
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#undef __init
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/*
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* Allow the platform to override the allocation granularity: this allows
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* systems that have the capability to run with a larger page size to deal
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* with the allocations for initrd and fdt more efficiently.
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*/
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#ifndef EFI_ALLOC_ALIGN
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#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
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#endif
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#ifndef EFI_ALLOC_LIMIT
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#define EFI_ALLOC_LIMIT ULONG_MAX
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#endif
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extern bool efi_nochunk;
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extern bool efi_nokaslr;
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extern int efi_loglevel;
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extern bool efi_novamap;
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extern const efi_system_table_t *efi_system_table;
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typedef union efi_dxe_services_table efi_dxe_services_table_t;
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extern const efi_dxe_services_table_t *efi_dxe_table;
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efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
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efi_system_table_t *sys_table_arg);
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#ifndef ARCH_HAS_EFISTUB_WRAPPERS
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#define efi_is_native() (true)
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#define efi_table_attr(inst, attr) (inst)->attr
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#define efi_fn_call(inst, func, ...) (inst)->func(__VA_ARGS__)
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#endif
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#define efi_call_proto(inst, func, ...) ({ \
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__typeof__(inst) __inst = (inst); \
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efi_fn_call(__inst, func, __inst, ##__VA_ARGS__); \
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})
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#define efi_bs_call(func, ...) \
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efi_fn_call(efi_table_attr(efi_system_table, boottime), func, ##__VA_ARGS__)
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#define efi_rt_call(func, ...) \
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efi_fn_call(efi_table_attr(efi_system_table, runtime), func, ##__VA_ARGS__)
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#define efi_dxe_call(func, ...) \
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efi_fn_call(efi_dxe_table, func, ##__VA_ARGS__)
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#define efi_info(fmt, ...) \
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efi_printk(KERN_INFO fmt, ##__VA_ARGS__)
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#define efi_warn(fmt, ...) \
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efi_printk(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__)
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#define efi_err(fmt, ...) \
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efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__)
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#define efi_debug(fmt, ...) \
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efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__)
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#define efi_printk_once(fmt, ...) \
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({ \
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static bool __print_once; \
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bool __ret_print_once = !__print_once; \
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\
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if (!__print_once) { \
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__print_once = true; \
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efi_printk(fmt, ##__VA_ARGS__); \
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} \
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__ret_print_once; \
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})
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#define efi_info_once(fmt, ...) \
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efi_printk_once(KERN_INFO fmt, ##__VA_ARGS__)
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#define efi_warn_once(fmt, ...) \
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efi_printk_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__)
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#define efi_err_once(fmt, ...) \
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efi_printk_once(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__)
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#define efi_debug_once(fmt, ...) \
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efi_printk_once(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__)
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/* Helper macros for the usual case of using simple C variables: */
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#ifndef fdt_setprop_inplace_var
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#define fdt_setprop_inplace_var(fdt, node_offset, name, var) \
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fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var))
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#endif
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#ifndef fdt_setprop_var
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#define fdt_setprop_var(fdt, node_offset, name, var) \
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fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var))
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#endif
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#define get_efi_var(name, vendor, ...) \
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efi_rt_call(get_variable, (efi_char16_t *)(name), \
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(efi_guid_t *)(vendor), __VA_ARGS__)
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#define set_efi_var(name, vendor, ...) \
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efi_rt_call(set_variable, (efi_char16_t *)(name), \
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(efi_guid_t *)(vendor), __VA_ARGS__)
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#define efi_get_handle_at(array, idx) \
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(efi_is_native() ? (array)[idx] \
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: (efi_handle_t)(unsigned long)((u32 *)(array))[idx])
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#define efi_get_handle_num(size) \
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((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32)))
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#define for_each_efi_handle(handle, array, size, i) \
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for (i = 0; \
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i < efi_get_handle_num(size) && \
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((handle = efi_get_handle_at((array), i)) || true); \
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i++)
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static inline
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void efi_set_u64_split(u64 data, u32 *lo, u32 *hi)
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{
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*lo = lower_32_bits(data);
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*hi = upper_32_bits(data);
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}
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/*
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* Allocation types for calls to boottime->allocate_pages.
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*/
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#define EFI_ALLOCATE_ANY_PAGES 0
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#define EFI_ALLOCATE_MAX_ADDRESS 1
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#define EFI_ALLOCATE_ADDRESS 2
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#define EFI_MAX_ALLOCATE_TYPE 3
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/*
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* The type of search to perform when calling boottime->locate_handle
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*/
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#define EFI_LOCATE_ALL_HANDLES 0
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#define EFI_LOCATE_BY_REGISTER_NOTIFY 1
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#define EFI_LOCATE_BY_PROTOCOL 2
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/*
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* boottime->stall takes the time period in microseconds
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*/
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#define EFI_USEC_PER_SEC 1000000
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/*
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* boottime->set_timer takes the time in 100ns units
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*/
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#define EFI_100NSEC_PER_USEC ((u64)10)
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/*
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* An efi_boot_memmap is used by efi_get_memory_map() to return the
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* EFI memory map in a dynamically allocated buffer.
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*
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* The buffer allocated for the EFI memory map includes extra room for
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* a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors.
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* This facilitates the reuse of the EFI memory map buffer when a second
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* call to ExitBootServices() is needed because of intervening changes to
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* the EFI memory map. Other related structures, e.g. x86 e820ext, need
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* to factor in this headroom requirement as well.
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*/
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#define EFI_MMAP_NR_SLACK_SLOTS 8
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typedef struct efi_generic_dev_path efi_device_path_protocol_t;
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union efi_device_path_to_text_protocol {
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struct {
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efi_char16_t *(__efiapi *convert_device_node_to_text)(
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const efi_device_path_protocol_t *,
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bool, bool);
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efi_char16_t *(__efiapi *convert_device_path_to_text)(
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const efi_device_path_protocol_t *,
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bool, bool);
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};
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struct {
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u32 convert_device_node_to_text;
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u32 convert_device_path_to_text;
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} mixed_mode;
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};
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typedef union efi_device_path_to_text_protocol efi_device_path_to_text_protocol_t;
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union efi_device_path_from_text_protocol {
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struct {
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efi_device_path_protocol_t *
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(__efiapi *convert_text_to_device_node)(const efi_char16_t *);
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efi_device_path_protocol_t *
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(__efiapi *convert_text_to_device_path)(const efi_char16_t *);
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};
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struct {
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u32 convert_text_to_device_node;
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u32 convert_text_to_device_path;
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} mixed_mode;
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};
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typedef union efi_device_path_from_text_protocol efi_device_path_from_text_protocol_t;
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typedef void *efi_event_t;
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/* Note that notifications won't work in mixed mode */
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typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *);
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#define EFI_EVT_TIMER 0x80000000U
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#define EFI_EVT_RUNTIME 0x40000000U
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#define EFI_EVT_NOTIFY_WAIT 0x00000100U
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#define EFI_EVT_NOTIFY_SIGNAL 0x00000200U
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/**
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* efi_set_event_at() - add event to events array
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*
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* @events: array of UEFI events
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* @ids: index where to put the event in the array
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* @event: event to add to the aray
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*
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* boottime->wait_for_event() takes an array of events as input.
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* Provide a helper to set it up correctly for mixed mode.
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*/
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static inline
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void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event)
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{
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if (efi_is_native())
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events[idx] = event;
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else
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((u32 *)events)[idx] = (u32)(unsigned long)event;
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}
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#define EFI_TPL_APPLICATION 4
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#define EFI_TPL_CALLBACK 8
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#define EFI_TPL_NOTIFY 16
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#define EFI_TPL_HIGH_LEVEL 31
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typedef enum {
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EfiTimerCancel,
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EfiTimerPeriodic,
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EfiTimerRelative
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} EFI_TIMER_DELAY;
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/*
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* EFI Boot Services table
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*/
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union efi_boot_services {
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struct {
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efi_table_hdr_t hdr;
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void *raise_tpl;
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void *restore_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,
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unsigned long);
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efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *,
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unsigned long *,
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unsigned long *, u32 *);
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efi_status_t (__efiapi *allocate_pool)(int, unsigned long,
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void **);
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efi_status_t (__efiapi *free_pool)(void *);
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efi_status_t (__efiapi *create_event)(u32, unsigned long,
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efi_event_notify_t, void *,
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efi_event_t *);
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efi_status_t (__efiapi *set_timer)(efi_event_t,
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EFI_TIMER_DELAY, u64);
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efi_status_t (__efiapi *wait_for_event)(unsigned long,
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efi_event_t *,
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unsigned long *);
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void *signal_event;
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efi_status_t (__efiapi *close_event)(efi_event_t);
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void *check_event;
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void *install_protocol_interface;
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void *reinstall_protocol_interface;
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void *uninstall_protocol_interface;
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efi_status_t (__efiapi *handle_protocol)(efi_handle_t,
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efi_guid_t *, void **);
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void *__reserved;
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void *register_protocol_notify;
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efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *,
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void *, unsigned long *,
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efi_handle_t *);
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efi_status_t (__efiapi *locate_device_path)(efi_guid_t *,
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efi_device_path_protocol_t **,
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efi_handle_t *);
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efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *,
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void *);
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efi_status_t (__efiapi *load_image)(bool, efi_handle_t,
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efi_device_path_protocol_t *,
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void *, unsigned long,
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efi_handle_t *);
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efi_status_t (__efiapi *start_image)(efi_handle_t, unsigned long *,
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efi_char16_t **);
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efi_status_t __noreturn (__efiapi *exit)(efi_handle_t,
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efi_status_t,
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unsigned long,
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efi_char16_t *);
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efi_status_t (__efiapi *unload_image)(efi_handle_t);
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efi_status_t (__efiapi *exit_boot_services)(efi_handle_t,
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unsigned long);
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void *get_next_monotonic_count;
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efi_status_t (__efiapi *stall)(unsigned long);
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void *set_watchdog_timer;
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void *connect_controller;
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efi_status_t (__efiapi *disconnect_controller)(efi_handle_t,
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efi_handle_t,
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efi_handle_t);
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void *open_protocol;
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void *close_protocol;
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void *open_protocol_information;
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void *protocols_per_handle;
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void *locate_handle_buffer;
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efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *,
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void **);
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efi_status_t (__efiapi *install_multiple_protocol_interfaces)(efi_handle_t *, ...);
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efi_status_t (__efiapi *uninstall_multiple_protocol_interfaces)(efi_handle_t, ...);
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void *calculate_crc32;
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void (__efiapi *copy_mem)(void *, const void *, unsigned long);
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void (__efiapi *set_mem)(void *, unsigned long, unsigned char);
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void *create_event_ex;
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};
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struct {
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efi_table_hdr_t hdr;
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u32 raise_tpl;
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u32 restore_tpl;
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u32 allocate_pages;
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u32 free_pages;
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u32 get_memory_map;
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u32 allocate_pool;
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u32 free_pool;
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u32 create_event;
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u32 set_timer;
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u32 wait_for_event;
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u32 signal_event;
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u32 close_event;
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u32 check_event;
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u32 install_protocol_interface;
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u32 reinstall_protocol_interface;
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u32 uninstall_protocol_interface;
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u32 handle_protocol;
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u32 __reserved;
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u32 register_protocol_notify;
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u32 locate_handle;
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u32 locate_device_path;
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u32 install_configuration_table;
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u32 load_image;
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u32 start_image;
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u32 exit;
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u32 unload_image;
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u32 exit_boot_services;
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u32 get_next_monotonic_count;
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u32 stall;
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u32 set_watchdog_timer;
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u32 connect_controller;
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u32 disconnect_controller;
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u32 open_protocol;
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u32 close_protocol;
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u32 open_protocol_information;
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u32 protocols_per_handle;
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u32 locate_handle_buffer;
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u32 locate_protocol;
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u32 install_multiple_protocol_interfaces;
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u32 uninstall_multiple_protocol_interfaces;
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u32 calculate_crc32;
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u32 copy_mem;
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u32 set_mem;
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u32 create_event_ex;
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} mixed_mode;
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};
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typedef enum {
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EfiGcdMemoryTypeNonExistent,
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EfiGcdMemoryTypeReserved,
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EfiGcdMemoryTypeSystemMemory,
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EfiGcdMemoryTypeMemoryMappedIo,
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EfiGcdMemoryTypePersistent,
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EfiGcdMemoryTypeMoreReliable,
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EfiGcdMemoryTypeMaximum
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} efi_gcd_memory_type_t;
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typedef struct {
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efi_physical_addr_t base_address;
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u64 length;
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u64 capabilities;
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u64 attributes;
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efi_gcd_memory_type_t gcd_memory_type;
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void *image_handle;
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void *device_handle;
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} efi_gcd_memory_space_desc_t;
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/*
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* EFI DXE Services table
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*/
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union efi_dxe_services_table {
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struct {
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efi_table_hdr_t hdr;
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void *add_memory_space;
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void *allocate_memory_space;
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void *free_memory_space;
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void *remove_memory_space;
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efi_status_t (__efiapi *get_memory_space_descriptor)(efi_physical_addr_t,
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efi_gcd_memory_space_desc_t *);
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efi_status_t (__efiapi *set_memory_space_attributes)(efi_physical_addr_t,
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u64, u64);
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void *get_memory_space_map;
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void *add_io_space;
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void *allocate_io_space;
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void *free_io_space;
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void *remove_io_space;
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void *get_io_space_descriptor;
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void *get_io_space_map;
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void *dispatch;
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void *schedule;
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void *trust;
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void *process_firmware_volume;
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void *set_memory_space_capabilities;
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};
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struct {
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efi_table_hdr_t hdr;
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u32 add_memory_space;
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u32 allocate_memory_space;
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u32 free_memory_space;
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u32 remove_memory_space;
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u32 get_memory_space_descriptor;
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u32 set_memory_space_attributes;
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u32 get_memory_space_map;
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u32 add_io_space;
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u32 allocate_io_space;
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u32 free_io_space;
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u32 remove_io_space;
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u32 get_io_space_descriptor;
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u32 get_io_space_map;
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u32 dispatch;
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u32 schedule;
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u32 trust;
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u32 process_firmware_volume;
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u32 set_memory_space_capabilities;
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} mixed_mode;
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};
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typedef union efi_memory_attribute_protocol efi_memory_attribute_protocol_t;
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union efi_memory_attribute_protocol {
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struct {
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efi_status_t (__efiapi *get_memory_attributes)(
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efi_memory_attribute_protocol_t *, efi_physical_addr_t, u64, u64 *);
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efi_status_t (__efiapi *set_memory_attributes)(
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efi_memory_attribute_protocol_t *, efi_physical_addr_t, u64, u64);
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efi_status_t (__efiapi *clear_memory_attributes)(
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efi_memory_attribute_protocol_t *, efi_physical_addr_t, u64, u64);
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};
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struct {
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u32 get_memory_attributes;
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u32 set_memory_attributes;
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u32 clear_memory_attributes;
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} mixed_mode;
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};
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typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t;
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|
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);
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efi_status_t check_platform_features(void);
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void *get_efi_config_table(efi_guid_t guid);
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/* NOTE: These functions do not print a trailing newline after the string */
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void efi_char16_puts(efi_char16_t *);
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void efi_puts(const char *str);
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__printf(1, 2) int efi_printk(char const *fmt, ...);
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void efi_free(unsigned long size, unsigned long addr);
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void efi_apply_loadoptions_quirk(const void **load_options, u32 *load_options_size);
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char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len);
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efi_status_t efi_get_memory_map(struct efi_boot_memmap **map,
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bool install_cfg_tbl);
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efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
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unsigned long max);
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efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr,
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unsigned long max, unsigned long align,
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int memory_type);
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efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
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unsigned long *addr, unsigned long min);
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efi_status_t efi_relocate_kernel(unsigned long *image_addr,
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unsigned long image_size,
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unsigned long alloc_size,
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unsigned long preferred_addr,
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unsigned long alignment,
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unsigned long min_addr);
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efi_status_t efi_parse_options(char const *cmdline);
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void efi_parse_option_graphics(char *option);
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efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto,
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unsigned long size);
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efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
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const efi_char16_t *optstr,
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int optstr_size,
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unsigned long soft_limit,
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unsigned long hard_limit,
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unsigned long *load_addr,
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unsigned long *load_size);
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static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image,
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unsigned long *load_addr,
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unsigned long *load_size)
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{
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return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2,
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ULONG_MAX, ULONG_MAX, load_addr, load_size);
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}
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efi_status_t efi_load_initrd(efi_loaded_image_t *image,
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unsigned long soft_limit,
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unsigned long hard_limit,
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const struct linux_efi_initrd **out);
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/*
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* This function handles the architcture specific differences between arm and
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* arm64 regarding where the kernel image must be loaded and any memory that
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* must be reserved. On failure it is required to free all
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* all allocations it has made.
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*/
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efi_status_t handle_kernel_image(unsigned long *image_addr,
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unsigned long *image_size,
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unsigned long *reserve_addr,
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unsigned long *reserve_size,
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efi_loaded_image_t *image,
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efi_handle_t image_handle);
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/* shared entrypoint between the normal stub and the zboot stub */
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efi_status_t efi_stub_common(efi_handle_t handle,
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efi_loaded_image_t *image,
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unsigned long image_addr,
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char *cmdline_ptr);
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efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr);
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asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
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unsigned long fdt_addr,
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|
unsigned long fdt_size);
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void efi_handle_post_ebs_state(void);
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enum efi_secureboot_mode efi_get_secureboot(void);
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#ifdef CONFIG_RESET_ATTACK_MITIGATION
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void efi_enable_reset_attack_mitigation(void);
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#else
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static inline void
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efi_enable_reset_attack_mitigation(void) { }
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#endif
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void efi_retrieve_tpm2_eventlog(void);
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struct screen_info *alloc_screen_info(void);
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struct screen_info *__alloc_screen_info(void);
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void free_screen_info(struct screen_info *si);
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void efi_cache_sync_image(unsigned long image_base,
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|
unsigned long alloc_size);
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struct efi_smbios_record {
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u8 type;
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|
u8 length;
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|
u16 handle;
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};
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const struct efi_smbios_record *efi_get_smbios_record(u8 type);
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struct efi_smbios_type1_record {
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|
struct efi_smbios_record header;
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|
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u8 manufacturer;
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|
u8 product_name;
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|
u8 version;
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|
u8 serial_number;
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|
efi_guid_t uuid;
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|
u8 wakeup_type;
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|
u8 sku_number;
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|
u8 family;
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|
};
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|
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struct efi_smbios_type4_record {
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|
struct efi_smbios_record header;
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|
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u8 socket;
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|
u8 processor_type;
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|
u8 processor_family;
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|
u8 processor_manufacturer;
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|
u8 processor_id[8];
|
|
u8 processor_version;
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|
u8 voltage;
|
|
u16 external_clock;
|
|
u16 max_speed;
|
|
u16 current_speed;
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|
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); \
|
|
})
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|
|
|
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);
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|
|
|
asmlinkage efi_status_t __efiapi
|
|
efi_zboot_entry(efi_handle_t handle, efi_system_table_t *systab);
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|
|
|
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, phys_addr_t end);
|
|
void arch_accept_memory(phys_addr_t start, phys_addr_t end);
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|
|
|
#endif
|