1 #-
2 # Copyright (c) 2017, Bryan Venteicher <bryanv@FreeBSD.org>
3 # All rights reserved.
4 #
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
7 # are met:
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.
13 #
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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
24 # SUCH DAMAGE.
25 #
26 # $FreeBSD$
27
28 #include <sys/bus.h>
29 #include <machine/bus.h>
30
31 INTERFACE virtio_pci;
32
33 HEADER {
34 struct virtqueue;
35 struct vtpci_interrupt;
36 };
37
38 METHOD uint8_t read_isr {
39 device_t dev;
40 };
41
42 METHOD uint16_t get_vq_size {
43 device_t dev;
44 int idx;
45 };
46
47 METHOD bus_size_t get_vq_notify_off {
48 device_t dev;
49 int idx;
50 };
51
52 METHOD void set_vq {
53 device_t dev;
54 struct virtqueue *vq;
55 };
56
57 METHOD void disable_vq {
58 device_t dev;
59 int idx;
60 };
61
62 METHOD int register_cfg_msix {
63 device_t dev;
64 struct vtpci_interrupt *intr;
65 };
66
67 METHOD int register_vq_msix {
68 device_t dev;
69 int idx;
70 struct vtpci_interrupt *intr;
71 };
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