2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 typedef int (*vdev_init_t)(void* dev);
52 typedef int (*vdev_reset_t)(void* dev);
53 typedef int (*vdev_halt_t)(void* dev);
54 typedef int (*vdev_memread_t)(void* dev, uint64_t gpa, opsize_t size, uint64_t *data);
55 typedef int (*vdev_memwrite_t)(void* dev, uint64_t gpa, opsize_t size, uint64_t data);
63 vdev_memread_t memread;
64 vdev_memwrite_t memwrite;
68 void vdev_vm_init(void);
69 void vdev_vm_cleanup(void);
71 int vdev_register(struct vdev_ops *ops, void *dev);
72 void vdev_unregister(void *dev);
74 int vdev_register_region(struct vdev_ops *ops, void *dev, struct io_region *io);
75 void vdev_unregister_region(void *dev, struct io_region *io);
80 int vdev_memread(uint64_t gpa, opsize_t size, uint64_t *data);
81 int vdev_memwrite(uint64_t gpa, opsize_t size, uint64_t data);