1 files changed, 98 insertions, 0 deletions
diff --git a/src/spdk/include/spdk/blobfs_bdev.h b/src/spdk/include/spdk/blobfs_bdev.h
new file mode 100644
index 000000000..e915b18f8
--- /dev/null
+++ b/src/spdk/include/spdk/blobfs_bdev.h
@@ -0,0 +1,98 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file
+ * Operations on blobfs whose backing device is spdk_bdev
+ */
+
+#ifndef SPDK_BLOBFS_BDEV_H
+#define SPDK_BLOBFS_BDEV_H
+
+#include "spdk/stdinc.h"
+#include "spdk/bdev.h"
+#include "spdk/config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * blobfs on bdev operation completion callback.
+ *
+ * \param cb_arg Callback argument.
+ * \param fserrno 0 if it completed successfully, or negative errno if it failed.
+ */
+typedef void (*spdk_blobfs_bdev_op_complete)(void *cb_arg, int fserrno);
+
+/**
+ * Detect whether blobfs exists on the given device.
+ *
+ * \param bdev_name Name of block device.
+ * \param cb_fn Called when the detecting is complete. fserrno is -EILSEQ if no blobfs exists.
+ * \param cb_arg Argument passed to function cb_fn.
+ */
+void spdk_blobfs_bdev_detect(const char *bdev_name,
+			     spdk_blobfs_bdev_op_complete cb_fn, void *cb_arg);
+
+/**
+ * Create a blobfs on the given device.
+ *
+ * \param bdev_name Name of block device.
+ * \param cluster_sz Size of cluster in bytes. Must be multiple of 4KiB page size.
+ * \param cb_fn Called when the creation is complete.
+ * \param cb_arg Argument passed to function cb_fn.
+ */
+void spdk_blobfs_bdev_create(const char *bdev_name, uint32_t cluster_sz,
+			     spdk_blobfs_bdev_op_complete cb_fn, void *cb_arg);
+
+#ifdef SPDK_CONFIG_FUSE
+/**
+ * Mount a blobfs on given device to a host path by FUSE
+ *
+ * A new thread is created dedicatedly for one mountpoint to handle FUSE request
+ * by blobfs API.
+ *
+ * \param bdev_name Name of block device.
+ * \param mountpoint Host path to mount blobfs.
+ * \param cb_fn Called when mount operation is complete. fserrno is -EILSEQ if no blobfs exists.
+ * \param cb_arg Argument passed to function cb_fn.
+ */
+void spdk_blobfs_bdev_mount(const char *bdev_name, const char *mountpoint,
+			    spdk_blobfs_bdev_op_complete cb_fn, void *cb_arg);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SPDK_BLOBFS_BDEV_H */