1 // SPDX-License-Identifier: GPL-2.0
19 #define __efi_memmap_free(phys, size, flags) do { } while (0)  argument
23  * __efi_memmap_init - Common code for mapping the EFI memory map
24  * @data: EFI memory map data
30  * During bootup EFI_MEMMAP_LATE in data->flags should be clear since we
37 int __init __efi_memmap_init(struct efi_memory_map_data *data)  in __efi_memmap_init()  argument
42 	phys_map = data->phys_map;  in __efi_memmap_init()
44 	if (data->flags & EFI_MEMMAP_LATE)  in __efi_memmap_init()
45 		map.map = memremap(phys_map, data->size, MEMREMAP_WB);  in __efi_memmap_init()
47 		map.map = early_memremap(phys_map, data->size);  in __efi_memmap_init()
51 		return -ENOMEM;  in __efi_memmap_init()
59 	map.phys_map = data->phys_map;  in __efi_memmap_init()
60 	map.nr_map = data->size / data->desc_size;  in __efi_memmap_init()
61 	map.map_end = map.map + data->size;  in __efi_memmap_init()
63 	map.desc_version = data->desc_version;  in __efi_memmap_init()
64 	map.desc_size = data->desc_size;  in __efi_memmap_init()
65 	map.flags = data->flags;  in __efi_memmap_init()
75  * efi_memmap_init_early - Map the EFI memory map data structure
76  * @data: EFI memory map data
83 int __init efi_memmap_init_early(struct efi_memory_map_data *data)  in efi_memmap_init_early()  argument
88 	data->flags = 0;  in efi_memmap_init_early()
89 	return __efi_memmap_init(data);  in efi_memmap_init_early()
98 		unsigned long size;  in efi_memmap_unmap()  local
100 		size = efi.memmap.desc_size * efi.memmap.nr_map;  in efi_memmap_unmap()
101 		early_memunmap(efi.memmap.map, size);  in efi_memmap_unmap()
111  * efi_memmap_init_late - Map efi.memmap with memremap()
113  * @size: Size in bytes of the new EFI memory map
133 int __init efi_memmap_init_late(phys_addr_t addr, unsigned long size)  in efi_memmap_init_late()  argument
135 	struct efi_memory_map_data data = {  in efi_memmap_init_late()  local
137 		.size = size,  in efi_memmap_init_late()
152 	data.desc_version = efi.memmap.desc_version;  in efi_memmap_init_late()
153 	data.desc_size = efi.memmap.desc_size;  in efi_memmap_init_late()
155 	return __efi_memmap_init(&data);  in efi_memmap_init_late()