xref: /openbmc/qemu/tests/qtest/libqos/virtio-9p.h (revision c00506aa)
1 /*
2  * libqos driver framework
3  *
4  * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License version 2.1 as published by the Free Software Foundation.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, see <http://www.gnu.org/licenses/>
17  */
18 
19 #ifndef TESTS_LIBQOS_VIRTIO_9P_H
20 #define TESTS_LIBQOS_VIRTIO_9P_H
21 
22 #include "qgraph.h"
23 #include "virtio.h"
24 #include "virtio-pci.h"
25 
26 typedef struct QVirtio9P QVirtio9P;
27 typedef struct QVirtio9PPCI QVirtio9PPCI;
28 typedef struct QVirtio9PDevice QVirtio9PDevice;
29 
30 #define MOUNT_TAG "qtest"
31 
32 struct QVirtio9P {
33     QVirtioDevice *vdev;
34     QVirtQueue *vq;
35 };
36 
37 struct QVirtio9PPCI {
38     QVirtioPCIDevice pci_vdev;
39     QVirtio9P v9p;
40 };
41 
42 struct QVirtio9PDevice {
43     QOSGraphObject obj;
44     QVirtio9P v9p;
45 };
46 
47 /**
48  * Creates the directory for the 9pfs 'local' filesystem driver to access.
49  */
50 void virtio_9p_create_local_test_dir(void);
51 
52 /**
53  * Deletes directory previously created by virtio_9p_create_local_test_dir().
54  */
55 void virtio_9p_remove_local_test_dir(void);
56 
57 /**
58  * Prepares QEMU command line for 9pfs tests using the 'local' fs driver.
59  */
60 void virtio_9p_assign_local_driver(GString *cmd_line, const char *args);
61 
62 /**
63  * Returns path on host to the passed guest path. Result must be freed.
64  */
65 char *virtio_9p_test_path(const char *path);
66 
67 #endif
68