Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 80 insertions, 0 deletions

diff --git a/src/spdk/lib/bdev/aio/bdev_aio.h b/src/spdk/lib/bdev/aio/bdev_aio.h
new file mode 100644
index 00000000..f58e9822
--- /dev/null
+++ b/src/spdk/lib/bdev/aio/bdev_aio.h
@@ -0,0 +1,80 @@
+/*-
+ *   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.
+ */
+
+#ifndef SPDK_BDEV_AIO_H
+#define SPDK_BDEV_AIO_H
+
+#include "spdk/stdinc.h"
+
+#include <libaio.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+
+#include "spdk/queue.h"
+#include "spdk/bdev.h"
+
+#include "spdk/bdev_module.h"
+
+struct bdev_aio_task {
+	struct iocb			iocb;
+	uint64_t			len;
+	TAILQ_ENTRY(bdev_aio_task)	link;
+};
+
+struct bdev_aio_io_channel {
+	io_context_t				io_ctx;
+	uint64_t				io_inflight;
+	struct spdk_io_channel			*group_ch;
+	TAILQ_ENTRY(bdev_aio_io_channel)	link;
+	int					efd;
+};
+
+typedef void (*spdk_delete_aio_complete)(void *cb_arg, int bdeverrno);
+
+struct file_disk {
+	struct bdev_aio_task	*reset_task;
+	struct spdk_poller	*reset_retry_timer;
+	struct spdk_bdev	disk;
+	char			*filename;
+	int			fd;
+	TAILQ_ENTRY(file_disk)  link;
+	bool			block_size_override;
+	spdk_delete_aio_complete	delete_cb_fn;
+	void				*delete_cb_arg;
+};
+
+struct spdk_bdev *create_aio_disk(const char *name, const char *filename, uint32_t block_size);
+
+void delete_aio_disk(struct spdk_bdev *bdev, spdk_delete_aio_complete cb_fn, void *cb_arg);
+
+#endif // SPDK_BDEV_AIO_H