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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/boot/efi/device-path-util.h | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/boot/efi/device-path-util.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/boot/efi/device-path-util.h b/src/boot/efi/device-path-util.h new file mode 100644 index 0000000..08f1a9c --- /dev/null +++ b/src/boot/efi/device-path-util.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "proto/device-path.h" + +EFI_STATUS make_file_device_path(EFI_HANDLE device, const char16_t *file, EFI_DEVICE_PATH **ret_dp); +EFI_STATUS device_path_to_str(const EFI_DEVICE_PATH *dp, char16_t **ret); +bool device_path_startswith(const EFI_DEVICE_PATH *dp, const EFI_DEVICE_PATH *start); +EFI_DEVICE_PATH *device_path_replace_node( + const EFI_DEVICE_PATH *path, const EFI_DEVICE_PATH *node, const EFI_DEVICE_PATH *new_node); + +static inline EFI_DEVICE_PATH *device_path_next_node(const EFI_DEVICE_PATH *dp) { + assert(dp); + return (EFI_DEVICE_PATH *) ((uint8_t *) dp + dp->Length); +} + +static inline bool device_path_is_end(const EFI_DEVICE_PATH *dp) { + assert(dp); + return dp->Type == END_DEVICE_PATH_TYPE && dp->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE; +} + +#define DEVICE_PATH_END_NODE \ + (EFI_DEVICE_PATH) { \ + .Type = END_DEVICE_PATH_TYPE, \ + .SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE, \ + .Length = sizeof(EFI_DEVICE_PATH) \ + } |