1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c
index 97cdd16a2169..018c29a26615 100644
--- a/drivers/firmware/efi/runtime-map.c
+++ b/drivers/firmware/efi/runtime-map.c
@@ -138,6 +138,27 @@ add_sysfs_runtime_map_entry(struct kobject *kobj, int nr)
         return entry;
 }
 
+int efi_get_runtime_map_size(void)
+{
+        return nr_efi_runtime_map * efi_memdesc_size;
+}
+
+int efi_get_runtime_map_desc_size(void)
+{
+        return efi_memdesc_size;
+}
+
+int efi_runtime_map_copy(void *buf, size_t bufsz)
+{
+        size_t sz = efi_get_runtime_map_size();
+
+        if (sz > bufsz)
+                sz = bufsz;
+
+        memcpy(buf, efi_runtime_map, sz);
+        return 0;
+}
+
 void efi_runtime_map_setup(void *map, int nr_entries, u32 desc_size)
 {
         efi_runtime_map = map;