e5c2ded503
Rename register_cuse_device as rte_vhost_driver_register API. Rename start_session_loop as rte_vhost_driver_session_start API. Signed-off-by: Huawei Xie <huawei.xie@intel.com> Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
83 lines
3.3 KiB
C
83 lines
3.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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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 _VHOST_NET_CDEV_H_
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#define _VHOST_NET_CDEV_H_
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#include <linux/vhost.h>
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struct vhost_memory;
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struct vhost_vring_state;
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struct vhost_vring_addr;
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struct vhost_vring_file;
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/*
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* Structure used to identify device context.
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*/
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struct vhost_device_ctx
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{
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pid_t pid; /* PID of process calling the IOCTL. */
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uint64_t fh; /* Populated with fi->fh to track the device index. */
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};
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/*
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* Structure contains function pointers to be defined in virtio-net.c. These
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* functions are called in CUSE context and are used to configure devices.
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*/
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struct vhost_net_device_ops {
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int (* new_device) (struct vhost_device_ctx);
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void (* destroy_device) (struct vhost_device_ctx);
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int (* get_features) (struct vhost_device_ctx, uint64_t *);
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int (* set_features) (struct vhost_device_ctx, uint64_t *);
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int (* set_mem_table) (struct vhost_device_ctx, const void *, uint32_t);
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int (* set_vring_num) (struct vhost_device_ctx, struct vhost_vring_state *);
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int (* set_vring_addr) (struct vhost_device_ctx, struct vhost_vring_addr *);
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int (* set_vring_base) (struct vhost_device_ctx, struct vhost_vring_state *);
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int (* get_vring_base) (struct vhost_device_ctx, uint32_t, struct vhost_vring_state *);
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int (* set_vring_kick) (struct vhost_device_ctx, struct vhost_vring_file *);
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int (* set_vring_call) (struct vhost_device_ctx, struct vhost_vring_file *);
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int (* set_backend) (struct vhost_device_ctx, struct vhost_vring_file *);
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int (* set_owner) (struct vhost_device_ctx);
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int (* reset_owner) (struct vhost_device_ctx);
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};
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struct vhost_net_device_ops const *get_virtio_net_callbacks(void);
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#endif /* _VHOST_NET_CDEV_H_ */
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