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test: dm: virtio: Add test cases for virtio uclass

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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>
This commit is contained in:
Bin Meng 2018-10-15 02:21:26 -07:00 committed by Simon Glass
parent 640aae0fb1
commit 4f89d4947c
5 changed files with 137 additions and 0 deletions
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5
arch/Kconfig
View file

@ -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"

8
arch/sandbox/dts/test.dts
View file

@ -716,6 +716,14 @@
sandbox_tee {
compatible = "sandbox,tee";
};
sandbox_virtio1 {
compatible = "sandbox,virtio1";
};
sandbox_virtio2 {
compatible = "sandbox,virtio2";
};
};
#include "sandbox_pmic.dtsi"

1
configs/sandbox_noblk_defconfig
View file

@ -171,6 +171,7 @@ CONFIG_CONSOLE_TRUETYPE_CANTORAONE=y
CONFIG_VIDEO_SANDBOX_SDL=y
CONFIG_OSD=y
CONFIG_SANDBOX_OSD=y
# CONFIG_VIRTIO_BLK is not set
CONFIG_FS_CBFS=y
CONFIG_FS_CRAMFS=y
CONFIG_CMD_DHRYSTONE=y

1
test/dm/Makefile
View file

@ -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

122
test/dm/virtio.c Normal file
View file

@ -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);