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authorSascha Hauer <s.hauer@pengutronix.de>2021-12-09 12:33:06 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2021-12-13 23:37:32 +0100
commit28ec04c5922ceab115d42a9bb50b7e812c0fed89 (patch)
tree1f294d6610e9ca5847a06e56b877ea565d21797c /common/efi
parent8d57841159f967d5d63553b65444697412a43f9b (diff)
downloadbarebox-28ec04c5922ceab115d42a9bb50b7e812c0fed89.tar.gz
barebox-28ec04c5922ceab115d42a9bb50b7e812c0fed89.tar.xz
efi: Implement device_path_to_subtype()
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/efi')
-rw-r--r--common/efi/devicepath.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/common/efi/devicepath.c b/common/efi/devicepath.c
index 8b9dfbf434..584f1fbd1d 100644
--- a/common/efi/devicepath.c
+++ b/common/efi/devicepath.c
@@ -784,6 +784,21 @@ u8 device_path_to_type(struct efi_device_path *dev_path)
return device_path_type(dev_path);
}
+u8 device_path_to_subtype(struct efi_device_path *dev_path)
+{
+ struct efi_device_path *dev_path_next;
+
+ dev_path = unpack_device_path(dev_path);
+ dev_path_next = next_device_path_node(dev_path);
+
+ while (!is_device_path_end(dev_path_next)) {
+ dev_path = dev_path_next;
+ dev_path_next = next_device_path_node(dev_path);
+ }
+
+ return dev_path->sub_type;
+}
+
char *device_path_to_partuuid(struct efi_device_path *dev_path)
{
struct efi_device_path *dev_path_node;