diff options
author | Bin Meng <bmeng.cn@gmail.com> | 2018-10-15 12:21:26 +0300 |
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committer | Simon Glass <sjg@chromium.org> | 2018-11-14 20:16:28 +0300 |
commit | 4f89d4947c9ecb2e859f70a6aed2e0c18d63fb54 (patch) | |
tree | ca46eea8d5603ccef536cf296eb861f6d41226c4 /test/dm/virtio.c | |
parent | 640aae0fb1f8b5741e62782cf06fc0f1beb0f612 (diff) | |
download | u-boot-4f89d4947c9ecb2e859f70a6aed2e0c18d63fb54.tar.xz |
test: dm: virtio: Add test cases for virtio uclass
Now that we have a sandbox virtio transport driver, add some test
cases to test virtio uclass driver.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'test/dm/virtio.c')
-rw-r--r-- | test/dm/virtio.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/test/dm/virtio.c b/test/dm/virtio.c new file mode 100644 index 0000000000..4b317d2ec3 --- /dev/null +++ b/test/dm/virtio.c @@ -0,0 +1,122 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> + */ + +#include <common.h> +#include <dm.h> +#include <virtio_types.h> +#include <virtio.h> +#include <virtio_ring.h> +#include <dm/device-internal.h> +#include <dm/uclass-internal.h> +#include <dm/root.h> +#include <dm/test.h> +#include <test/ut.h> + +/* Basic test of the virtio uclass */ +static int dm_test_virtio_base(struct unit_test_state *uts) +{ + struct udevice *bus, *dev; + u8 status; + + /* check probe success */ + ut_assertok(uclass_first_device(UCLASS_VIRTIO, &bus)); + + /* check the child virtio-blk device is bound */ + ut_assertok(device_find_first_child(bus, &dev)); + ut_assertok(strcmp(dev->name, "virtio-blk#0")); + + /* check driver status */ + ut_assertok(virtio_get_status(dev, &status)); + ut_asserteq(VIRTIO_CONFIG_S_ACKNOWLEDGE, status); + + return 0; +} +DM_TEST(dm_test_virtio_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test all of the virtio uclass ops */ +static int dm_test_virtio_all_ops(struct unit_test_state *uts) +{ + struct udevice *bus, *dev; + struct virtio_dev_priv *uc_priv; + uint offset = 0, len = 0, nvqs = 1; + void *buffer = NULL; + u8 status; + u32 counter; + u64 features; + struct virtqueue *vqs[2]; + + /* check probe success */ + ut_assertok(uclass_first_device(UCLASS_VIRTIO, &bus)); + + /* check the child virtio-blk device is bound */ + ut_assertok(device_find_first_child(bus, &dev)); + + /* + * fake the virtio device probe by filling in uc_priv->vdev + * which is used by virtio_find_vqs/virtio_del_vqs. + */ + uc_priv = dev_get_uclass_priv(bus); + uc_priv->vdev = dev; + + /* test virtio_xxx APIs */ + ut_assertok(virtio_get_config(dev, offset, buffer, len)); + ut_assertok(virtio_set_config(dev, offset, buffer, len)); + ut_asserteq(-ENOSYS, virtio_generation(dev, &counter)); + ut_assertok(virtio_set_status(dev, VIRTIO_CONFIG_S_DRIVER_OK)); + ut_assertok(virtio_get_status(dev, &status)); + ut_asserteq(VIRTIO_CONFIG_S_DRIVER_OK, status); + ut_assertok(virtio_reset(dev)); + ut_assertok(virtio_get_status(dev, &status)); + ut_asserteq(0, status); + ut_assertok(virtio_get_features(dev, &features)); + ut_asserteq(VIRTIO_F_VERSION_1, features); + ut_assertok(virtio_set_features(dev)); + ut_assertok(virtio_find_vqs(dev, nvqs, vqs)); + ut_assertok(virtio_del_vqs(dev)); + ut_assertok(virtio_notify(dev, vqs[0])); + + return 0; +} +DM_TEST(dm_test_virtio_all_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test of the virtio driver that does not have required driver ops */ +static int dm_test_virtio_missing_ops(struct unit_test_state *uts) +{ + struct udevice *bus; + + /* find the virtio device */ + ut_assertok(uclass_find_device(UCLASS_VIRTIO, 1, &bus)); + + /* + * Probe the device should fail with error -ENOENT. + * See ops check in virtio_uclass_pre_probe(). + */ + ut_asserteq(-ENOENT, device_probe(bus)); + + return 0; +} +DM_TEST(dm_test_virtio_missing_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test removal of virtio device driver */ +static int dm_test_virtio_remove(struct unit_test_state *uts) +{ + struct udevice *bus, *dev; + + /* check probe success */ + ut_assertok(uclass_first_device(UCLASS_VIRTIO, &bus)); + + /* check the child virtio-blk device is bound */ + ut_assertok(device_find_first_child(bus, &dev)); + + /* set driver status to VIRTIO_CONFIG_S_DRIVER_OK */ + ut_assertok(virtio_set_status(dev, VIRTIO_CONFIG_S_DRIVER_OK)); + + /* check the device can be successfully removed */ + dev->flags |= DM_FLAG_ACTIVATED; + ut_assertok(device_remove(bus, DM_REMOVE_ACTIVE_ALL)); + + return 0; +} +DM_TEST(dm_test_virtio_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |