diff options
Diffstat (limited to 'include/efi_loader.h')
| -rw-r--r-- | include/efi_loader.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h index f399e995060..3c90515fef1 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -344,7 +344,16 @@ struct efi_simple_file_system_protocol *efi_simple_file_system( /* open file from device-path: */ struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp); - +/** + * efi_size_in_pages() - convert size in bytes to size in pages + * + * This macro returns the number of EFI memory pages required to hold 'size' + * bytes. + * + * @size: size in bytes + * Return: size in pages + */ +#define efi_size_in_pages(size) ((size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT) /* Generic EFI memory allocator, call this to get memory */ void *efi_alloc(uint64_t len, int memory_type); /* More specific EFI memory allocator, called by EFI payloads */ |