Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/src/spdk/include/spdk/nbd.h b/src/spdk/include/spdk/nbd.h
new file mode 100644
index 00000000..d987c1c4
--- /dev/null
+++ b/src/spdk/include/spdk/nbd.h
@@ -0,0 +1,91 @@
+/*-
+ *   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
+ * Network block device layer
+ */
+
+#ifndef SPDK_NBD_H_
+#define SPDK_NBD_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct spdk_bdev;
+struct spdk_nbd_disk;
+struct spdk_json_write_ctx;
+struct spdk_event;
+
+/**
+ * Initialize the network block device layer.
+ *
+ * \return 0 on success.
+ */
+int spdk_nbd_init(void);
+
+/**
+ * Stop and close all the running network block devices.
+ */
+void spdk_nbd_fini(void);
+
+/**
+ * Start a network block device backed by the bdev.
+ *
+ * \param bdev_name Name of bdev exposed as a network block device.
+ * \param nbd_path Path to the registered network block device.
+ *
+ * \return a pointer to the configuration of the registered network block device
+ * on success, or NULL on failure.
+ */
+struct spdk_nbd_disk *spdk_nbd_start(const char *bdev_name, const char *nbd_path);
+
+/**
+ * Stop the running network block device safely.
+ *
+ * \param nbd A pointer to the network block device to stop.
+ */
+void spdk_nbd_stop(struct spdk_nbd_disk *nbd);
+
+/**
+ * Write NBD subsystem configuration into provided JSON context.
+ *
+ * \param w JSON write context
+ */
+void spdk_nbd_write_config_json(struct spdk_json_write_ctx *w);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif