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
---
Changes in v2: - new patch to add test cases for virtio uclass
arch/Kconfig | 5 ++ arch/sandbox/dts/test.dts | 8 +++ test/dm/Makefile | 1 + test/dm/virtio.c | 122 ++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 136 insertions(+) create mode 100644 test/dm/virtio.c
diff --git a/arch/Kconfig b/arch/Kconfig index e822a0b..9fdd2f7 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -110,6 +110,11 @@ config SANDBOX imply LIBAVB imply CMD_AVB imply UDP_FUNCTION_FASTBOOT + imply VIRTIO_MMIO + imply VIRTIO_PCI + imply VIRTIO_SANDBOX + imply VIRTIO_BLK + imply VIRTIO_NET
config SH bool "SuperH architecture" diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index c52f5a9..47e0646 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -715,6 +715,14 @@ sandbox_tee { compatible = "sandbox,tee"; }; + + sandbox_virtio1 { + compatible = "sandbox,virtio1"; + }; + + sandbox_virtio2 { + compatible = "sandbox,virtio2"; + }; };
#include "sandbox_pmic.dtsi" diff --git a/test/dm/Makefile b/test/dm/Makefile index b490cf2..213e0fd 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -53,4 +53,5 @@ obj-$(CONFIG_MISC) += misc.o obj-$(CONFIG_DM_SERIAL) += serial.o obj-$(CONFIG_CPU) += cpu.o obj-$(CONFIG_TEE) += tee.o +obj-$(CONFIG_VIRTIO_SANDBOX) += virtio.o endif diff --git a/test/dm/virtio.c b/test/dm/virtio.c new file mode 100644 index 0000000..4b317d2 --- /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);