auto import from //depot/cupcake/@135843

1 files changed, 64 insertions, 0 deletions

diff --git a/vold/blkdev.h b/vold/blkdev.h
new file mode 100644
index 00000000..e789739e
--- /dev/null
+++ b/vold/blkdev.h
@@ -0,0 +1,64 @@
+
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _BLKDEV_H
+#define _BLKDEV_H
+
+#include <sys/types.h>
+
+struct media;
+
+enum blk_type { blkdev_unknown, blkdev_disk, blkdev_partition };
+
+struct blkdev {
+    char          *devpath;
+    enum blk_type type;
+    struct media  *media;
+
+    // If type == blkdev_disk then nr_parts = number of partitions
+    int           nr_parts;
+
+    // If type == blkdev_partition then part_type = partition type
+    uint8_t       part_type;
+    // If type == blkdev_partition
+    struct blkdev *disk;
+
+    unsigned int  nr_sec;
+
+    int           major;
+    int           minor;
+};
+
+struct blkdev_list {
+    struct blkdev      *dev;
+    struct blkdev_list *next;
+};
+
+typedef struct blkdev blkdev_t;
+typedef struct blkdev_list blkdev_list_t;
+
+blkdev_t *blkdev_create(blkdev_t *disk, char *devpath, int major, int minor, struct media *media, char *type);
+blkdev_t *blkdev_create_pending_partition(blkdev_t *disk, char *dev_fspath, int major, int minor, struct media *media);
+blkdev_t *blkdev_lookup_by_path(char *devpath);
+blkdev_t *blkdev_lookup_by_devno(int maj, int min);
+char *blkdev_get_devpath(blkdev_t *blk);
+
+void blkdev_destroy(blkdev_t *blk);
+
+int blkdev_get_num_pending_partitions(blkdev_t *blk);
+int blkdev_refresh(blkdev_t *blk);
+#endif