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git01.mediatek.com / filogic / uboot / 97b3d5a2dc4090b962a2a989b2de5d1c9818d525 / . / test / dm / virtio.c
blob: 4b317d2ec3b328ea580fc0530ab7a4ff9fbc8a70 [file] [log] [blame]
Bin Meng1bb290d2018-10-15 02:21:26 -0700[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
4 */
5
6#include <common.h>
7#include <dm.h>
8#include <virtio_types.h>
9#include <virtio.h>
10#include <virtio_ring.h>
11#include <dm/device-internal.h>
12#include <dm/uclass-internal.h>
13#include <dm/root.h>
14#include <dm/test.h>
15#include <test/ut.h>
16
17/* Basic test of the virtio uclass */
18static int dm_test_virtio_base(struct unit_test_state *uts)
19{
20 struct udevice *bus, *dev;
21 u8 status;
22
23 /* check probe success */
24 ut_assertok(uclass_first_device(UCLASS_VIRTIO, &bus));
25
26 /* check the child virtio-blk device is bound */
27 ut_assertok(device_find_first_child(bus, &dev));
28 ut_assertok(strcmp(dev->name, "virtio-blk#0"));
29
30 /* check driver status */
31 ut_assertok(virtio_get_status(dev, &status));
32 ut_asserteq(VIRTIO_CONFIG_S_ACKNOWLEDGE, status);
33
34 return 0;
35}
36DM_TEST(dm_test_virtio_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
37
38/* Test all of the virtio uclass ops */
39static int dm_test_virtio_all_ops(struct unit_test_state *uts)
40{
41 struct udevice *bus, *dev;
42 struct virtio_dev_priv *uc_priv;
43 uint offset = 0, len = 0, nvqs = 1;
44 void *buffer = NULL;
45 u8 status;
46 u32 counter;
47 u64 features;
48 struct virtqueue *vqs[2];
49
50 /* check probe success */
51 ut_assertok(uclass_first_device(UCLASS_VIRTIO, &bus));
52
53 /* check the child virtio-blk device is bound */
54 ut_assertok(device_find_first_child(bus, &dev));
55
56 /*
57 * fake the virtio device probe by filling in uc_priv->vdev
58 * which is used by virtio_find_vqs/virtio_del_vqs.
59 */
60 uc_priv = dev_get_uclass_priv(bus);
61 uc_priv->vdev = dev;
62
63 /* test virtio_xxx APIs */
64 ut_assertok(virtio_get_config(dev, offset, buffer, len));
65 ut_assertok(virtio_set_config(dev, offset, buffer, len));
66 ut_asserteq(-ENOSYS, virtio_generation(dev, &counter));
67 ut_assertok(virtio_set_status(dev, VIRTIO_CONFIG_S_DRIVER_OK));
68 ut_assertok(virtio_get_status(dev, &status));
69 ut_asserteq(VIRTIO_CONFIG_S_DRIVER_OK, status);
70 ut_assertok(virtio_reset(dev));
71 ut_assertok(virtio_get_status(dev, &status));
72 ut_asserteq(0, status);
73 ut_assertok(virtio_get_features(dev, &features));
74 ut_asserteq(VIRTIO_F_VERSION_1, features);
75 ut_assertok(virtio_set_features(dev));
76 ut_assertok(virtio_find_vqs(dev, nvqs, vqs));
77 ut_assertok(virtio_del_vqs(dev));
78 ut_assertok(virtio_notify(dev, vqs[0]));
79
80 return 0;
81}
82DM_TEST(dm_test_virtio_all_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
83
84/* Test of the virtio driver that does not have required driver ops */
85static int dm_test_virtio_missing_ops(struct unit_test_state *uts)
86{
87 struct udevice *bus;
88
89 /* find the virtio device */
90 ut_assertok(uclass_find_device(UCLASS_VIRTIO, 1, &bus));
91
92 /*
93 * Probe the device should fail with error -ENOENT.
94 * See ops check in virtio_uclass_pre_probe().
95 */
96 ut_asserteq(-ENOENT, device_probe(bus));
97
98 return 0;
99}
100DM_TEST(dm_test_virtio_missing_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
101
102/* Test removal of virtio device driver */
103static int dm_test_virtio_remove(struct unit_test_state *uts)
104{
105 struct udevice *bus, *dev;
106
107 /* check probe success */
108 ut_assertok(uclass_first_device(UCLASS_VIRTIO, &bus));
109
110 /* check the child virtio-blk device is bound */
111 ut_assertok(device_find_first_child(bus, &dev));
112
113 /* set driver status to VIRTIO_CONFIG_S_DRIVER_OK */
114 ut_assertok(virtio_set_status(dev, VIRTIO_CONFIG_S_DRIVER_OK));
115
116 /* check the device can be successfully removed */
117 dev->flags |= DM_FLAG_ACTIVATED;
118 ut_assertok(device_remove(bus, DM_REMOVE_ACTIVE_ALL));
119
120 return 0;
121}
122DM_TEST(dm_test_virtio_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);