platform/efi/efi.c

36 #include <linux/efi.h>
37 #include <linux/efi-bgrt.h>
49 #include <asm/efi.h>
73 	&efi.acpi,
74 	&efi.acpi20,
75 	&efi.smbios,
76 	&efi.smbios3,
84 	&efi.esrt,
90 	&efi.tpm_log,
91 	&efi.tpm_final_log,
94 	&efi.mokvar_table,
97 	&efi.coco_secret,
100 	&efi.unaccepted,
104 u64 efi_setup;		/* efi setup_data physical address */
179  * the efi=nosoftreserve option.
231 	WARN(efi.memmap.desc_version != 1,
233 	     efi.memmap.desc_version);
235 	memblock_reserve(pmap, efi.memmap.nr_map * efi.memmap.desc_size);
236 	set_bit(EFI_PRESERVE_BS_REGIONS, &efi.flags);
281 	efi_memory_desc_t *out = efi.memmap.map;
283 	const efi_memory_desc_t *end = efi.memmap.map_end;
289 				memcpy(out, in, efi.memmap.desc_size);
290 			out = (void *)out + efi.memmap.desc_size;
294 		in = (void *)in + efi.memmap.desc_size;
299 			.phys_map	= efi.memmap.phys_map,
300 			.desc_version	= efi.memmap.desc_version,
301 			.desc_size	= efi.memmap.desc_size,
302 			.size		= efi.memmap.desc_size * (efi.memmap.nr_map - n_removal),
431 	efi.runtime_version = hdr->revision;
517 				set_bit(EFI_NX_PE_DATA, &efi.flags);
523 	set_bit(EFI_RUNTIME_SERVICES, &efi.flags);
594 		return efi.memmap.map_end - efi.memmap.desc_size;
596 	entry -= efi.memmap.desc_size;
597 	if (entry < efi.memmap.map)
639 		return efi.memmap.map;
641 	entry += efi.memmap.desc_size;
642 	if (entry >= efi.memmap.map_end)
698  * Map the efi memory ranges of the runtime services and update new_mmap with
708 	desc_size = efi.memmap.desc_size;
749 		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
755 		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
760 	* Map efi regions which were passed via setup_data. The virt_addr is a
772 	if (efi_memmap_init_late(efi.memmap.phys_map,
773 				 efi.memmap.desc_size * efi.memmap.nr_map)) {
775 		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
779 	num_pages = ALIGN(efi.memmap.nr_map * efi.memmap.desc_size, PAGE_SIZE);
782 	if (efi_setup_page_tables(efi.memmap.phys_map, num_pages)) {
783 		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
803  * Specially for kexec boot, efi runtime maps in previous kernel should
836 	if (efi_memmap_init_late(pa, efi.memmap.desc_size * count)) {
851 	status = efi_set_virtual_address_map(efi.memmap.desc_size * count,
852 					     efi.memmap.desc_size,
853 					     efi.memmap.desc_version,
882 	clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
890 	efi.runtime = (efi_runtime_services_t *)efi_runtime;