summaryrefslogtreecommitdiff
path: root/src/shared/dissect-image.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/shared/dissect-image.h')
-rw-r--r--src/shared/dissect-image.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/shared/dissect-image.h b/src/shared/dissect-image.h
new file mode 100644
index 0000000000..04b19e8553
--- /dev/null
+++ b/src/shared/dissect-image.h
@@ -0,0 +1,66 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2016 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+
+#include "macro.h"
+
+typedef struct DissectedImage DissectedImage;
+typedef struct DissectedPartition DissectedPartition;
+
+struct DissectedPartition {
+ bool found:1;
+ bool rw:1;
+ int partno; /* -1 if there was no partition and the images contains a file system directly */
+ int architecture; /* Intended architecture: either native, secondary or unset (-1). */
+ char *fstype;
+ char *node;
+};
+
+enum {
+ PARTITION_ROOT,
+ PARTITION_ROOT_SECONDARY, /* Secondary architecture */
+ PARTITION_HOME,
+ PARTITION_SRV,
+ PARTITION_ESP,
+ PARTITION_SWAP,
+ _PARTITION_DESIGNATOR_MAX,
+ _PARTITION_DESIGNATOR_INVALID = -1
+};
+
+typedef enum DissectedImageMountFlags {
+ DISSECTED_IMAGE_READ_ONLY = 1,
+ DISSECTED_IMAGE_DISCARD_ON_LOOP = 2, /* Turn on "discard" if on loop device and file system supports it */
+} DissectedImageMountFlags;
+
+struct DissectedImage {
+ DissectedPartition partitions[_PARTITION_DESIGNATOR_MAX];
+};
+
+int dissect_image(int fd, DissectedImage **ret);
+
+DissectedImage* dissected_image_unref(DissectedImage *m);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DissectedImage*, dissected_image_unref);
+
+int dissected_image_mount(DissectedImage *m, const char *dest, DissectedImageMountFlags flags);
+
+const char* partition_designator_to_string(int i) _const_;
+int partition_designator_from_string(const char *name) _pure_;