67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
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/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_BDEV_VIRTIO_H
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#define SPDK_BDEV_VIRTIO_H
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#include "spdk/bdev.h"
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typedef void (*virtio_create_device_cb)(void *, int, struct spdk_bdev **, size_t size);
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/**
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* Add new Virtio SCSI device and scan it. When LUN is found bdev is automaticly
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* added to point this LUN.
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*
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* \param path
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* Path to socket.
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* \param base_name
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* Name to used for all bdevs created from this device.
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* \param vq_size
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* Max queue size.
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* \param cb_fn
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* An optional callback to be called after scanning all targets on the controller.
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* First parameter is \c cb_arg
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* Second parameter is error code. Zero on succes or negative error code.
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* Third parameter is bdevs array found on created device. NULL in case of error.
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* Fourth is number of bdevs in array. Zero in case of error.
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* \param cb_arg1
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* First argument of \c cb_fn
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* \return
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* Zero on success (device scan is started) or negative error code.
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* In case of error \c done_cb is not called.
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*/
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int create_virtio_user_scsi_device(const char *base_name, const char *path, unsigned num_queues,
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unsigned queue_size, virtio_create_device_cb cb_fn, void *cb_arg);
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#endif /* SPDK_BDEV_VIRTIO_H */
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