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725c438c62
The UT_TESTF_ macros read as 'unit test test flags' which is not right.
Rename to UTF ('unit test flags').
This has the benefit of being shorter, which helps keep UNIT_TEST()
declarations on a single line.
Give the enum a name and reference it from the UNIT_TEST() macros while
we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
488 lines
14 KiB
C
488 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2014 Google, Inc
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*/
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#ifdef CONFIG_SANDBOX
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#include <log.h>
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#include <os.h>
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#endif
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#include <dm.h>
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#include <asm/global_data.h>
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#include <dm/device.h>
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#include <dm/device-internal.h>
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#include <dm/test.h>
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#include <dm/uclass-internal.h>
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#include <dm/util.h>
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#include <linux/list.h>
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#include <test/test.h>
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#include <test/ut.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Test that we can probe for children */
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static int dm_test_bus_children(struct unit_test_state *uts)
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{
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int num_devices = 9;
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struct udevice *bus;
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struct uclass *uc;
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ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
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ut_asserteq(num_devices, list_count_nodes(&uc->dev_head));
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/* Probe the bus, which should yield 3 more devices */
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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num_devices += 3;
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ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
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ut_asserteq(num_devices, list_count_nodes(&uc->dev_head));
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ut_assert(!dm_check_devices(uts, num_devices));
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return 0;
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}
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DM_TEST(dm_test_bus_children, UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* Test our functions for accessing children */
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static int dm_test_bus_children_funcs(struct unit_test_state *uts)
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{
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const void *blob = gd->fdt_blob;
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struct udevice *bus, *dev;
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int node;
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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/* device_get_child() */
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ut_assertok(device_get_child(bus, 0, &dev));
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ut_asserteq(-ENODEV, device_get_child(bus, 4, &dev));
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ut_assertok(device_get_child_by_seq(bus, 5, &dev));
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ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
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ut_asserteq_str("c-test@5", dev->name);
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/* Device with sequence number 0 should be accessible */
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ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, &dev));
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ut_assertok(device_find_child_by_seq(bus, 0, &dev));
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ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
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ut_asserteq(0, device_find_child_by_seq(bus, 0, &dev));
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ut_assertok(device_get_child_by_seq(bus, 0, &dev));
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ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
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ut_asserteq(0, device_find_child_by_seq(bus, 0, &dev));
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/* There is no device with sequence number 2 */
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ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, &dev));
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ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, &dev));
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ut_asserteq(-ENODEV, device_get_child_by_seq(bus, 2, &dev));
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/* Looking for something that is not a child */
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node = fdt_path_offset(blob, "/junk");
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ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev));
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node = fdt_path_offset(blob, "/d-test");
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ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev));
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return 0;
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}
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DM_TEST(dm_test_bus_children_funcs, UTF_SCAN_PDATA | UTF_SCAN_FDT);
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static int dm_test_bus_children_of_offset(struct unit_test_state *uts)
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{
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const void *blob = gd->fdt_blob;
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struct udevice *bus, *dev;
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int node;
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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ut_assertnonnull(bus);
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/* Find a valid child */
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node = fdt_path_offset(blob, "/some-bus/c-test@1");
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ut_assert(node > 0);
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ut_assertok(device_find_child_by_of_offset(bus, node, &dev));
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ut_assertnonnull(dev);
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ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED));
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ut_assertok(device_get_child_by_of_offset(bus, node, &dev));
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ut_assertnonnull(dev);
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ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED);
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return 0;
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}
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DM_TEST(dm_test_bus_children_of_offset,
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UTF_SCAN_PDATA | UTF_SCAN_FDT | UTF_FLAT_TREE);
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/* Test that we can iterate through children */
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static int dm_test_bus_children_iterators(struct unit_test_state *uts)
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{
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struct udevice *bus, *dev, *child;
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/* Walk through the children one by one */
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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ut_assertok(device_find_first_child(bus, &dev));
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ut_asserteq_str("c-test@5", dev->name);
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ut_assertok(device_find_next_child(&dev));
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ut_asserteq_str("c-test@0", dev->name);
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ut_assertok(device_find_next_child(&dev));
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ut_asserteq_str("c-test@1", dev->name);
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ut_assertok(device_find_next_child(&dev));
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ut_asserteq_ptr(dev, NULL);
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/* Move to the next child without using device_find_first_child() */
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ut_assertok(device_find_child_by_seq(bus, 5, &dev));
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ut_asserteq_str("c-test@5", dev->name);
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ut_assertok(device_find_next_child(&dev));
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ut_asserteq_str("c-test@0", dev->name);
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/* Try a device with no children */
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ut_assertok(device_find_first_child(dev, &child));
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ut_asserteq_ptr(child, NULL);
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return 0;
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}
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DM_TEST(dm_test_bus_children_iterators,
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UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* Test that the bus can store data about each child */
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static int test_bus_parent_data(struct unit_test_state *uts)
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{
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struct dm_test_parent_data *parent_data;
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struct udevice *bus, *dev;
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struct uclass *uc;
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int value;
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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/* Check that parent data is allocated */
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ut_assertok(device_find_child_by_seq(bus, 0, &dev));
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ut_asserteq_ptr(NULL, dev_get_parent_priv(dev));
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ut_assertok(device_get_child_by_seq(bus, 0, &dev));
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parent_data = dev_get_parent_priv(dev);
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ut_assert(NULL != parent_data);
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/* Check that it starts at 0 and goes away when device is removed */
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parent_data->sum += 5;
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ut_asserteq(5, parent_data->sum);
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device_remove(dev, DM_REMOVE_NORMAL);
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ut_asserteq_ptr(NULL, dev_get_parent_priv(dev));
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/* Check that we can do this twice */
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ut_assertok(device_get_child_by_seq(bus, 0, &dev));
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parent_data = dev_get_parent_priv(dev);
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ut_assert(NULL != parent_data);
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parent_data->sum += 5;
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ut_asserteq(5, parent_data->sum);
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/* Add parent data to all children */
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ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
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value = 5;
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uclass_foreach_dev(dev, uc) {
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/* Ignore these if they are not on this bus */
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if (dev->parent != bus) {
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ut_asserteq_ptr(NULL, dev_get_parent_priv(dev));
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continue;
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}
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ut_assertok(device_probe(dev));
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parent_data = dev_get_parent_priv(dev);
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parent_data->sum = value;
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value += 5;
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}
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/* Check it is still there */
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value = 5;
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uclass_foreach_dev(dev, uc) {
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/* Ignore these if they are not on this bus */
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if (dev->parent != bus)
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continue;
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parent_data = dev_get_parent_priv(dev);
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ut_asserteq(value, parent_data->sum);
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value += 5;
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}
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return 0;
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}
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/* Test that the bus can store data about each child */
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static int dm_test_bus_parent_data(struct unit_test_state *uts)
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{
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return test_bus_parent_data(uts);
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}
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DM_TEST(dm_test_bus_parent_data, UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* As above but the size is controlled by the uclass */
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static int dm_test_bus_parent_data_uclass(struct unit_test_state *uts)
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{
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struct driver *drv;
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struct udevice *bus;
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int size;
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int ret;
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/* Set the driver size to 0 so that the uclass size is used */
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ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
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drv = (struct driver *)bus->driver;
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size = drv->per_child_auto;
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#ifdef CONFIG_SANDBOX
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os_mprotect_allow(bus->uclass->uc_drv, sizeof(*bus->uclass->uc_drv));
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os_mprotect_allow(drv, sizeof(*drv));
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#endif
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bus->uclass->uc_drv->per_child_auto = size;
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drv->per_child_auto = 0;
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ret = test_bus_parent_data(uts);
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if (ret)
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return ret;
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bus->uclass->uc_drv->per_child_auto = 0;
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drv->per_child_auto = size;
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return 0;
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}
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DM_TEST(dm_test_bus_parent_data_uclass,
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UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* Test that the bus ops are called when a child is probed/removed */
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static int dm_test_bus_parent_ops(struct unit_test_state *uts)
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{
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struct dm_test_parent_data *parent_data;
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struct udevice *bus, *dev;
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struct uclass *uc;
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testbus_get_clear_removed();
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
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uclass_foreach_dev(dev, uc) {
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/* Ignore these if they are not on this bus */
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if (dev->parent != bus)
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continue;
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ut_asserteq_ptr(NULL, dev_get_parent_priv(dev));
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ut_assertok(device_probe(dev));
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parent_data = dev_get_parent_priv(dev);
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ut_asserteq(TEST_FLAG_CHILD_PROBED, parent_data->flag);
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}
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uclass_foreach_dev(dev, uc) {
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/* Ignore these if they are not on this bus */
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if (dev->parent != bus)
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continue;
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parent_data = dev_get_parent_priv(dev);
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ut_asserteq(TEST_FLAG_CHILD_PROBED, parent_data->flag);
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ut_assertok(device_remove(dev, DM_REMOVE_NORMAL));
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ut_asserteq_ptr(NULL, dev_get_parent_priv(dev));
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ut_asserteq_ptr(testbus_get_clear_removed(), dev);
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}
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return 0;
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}
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DM_TEST(dm_test_bus_parent_ops, UTF_SCAN_PDATA | UTF_SCAN_FDT);
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static int test_bus_parent_plat(struct unit_test_state *uts)
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{
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struct dm_test_parent_plat *plat;
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struct udevice *bus, *dev;
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/* Check that the bus has no children */
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ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
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device_find_first_child(bus, &dev);
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ut_asserteq_ptr(NULL, dev);
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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for (device_find_first_child(bus, &dev);
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dev;
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device_find_next_child(&dev)) {
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/* Check that platform data is allocated */
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plat = dev_get_parent_plat(dev);
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ut_assert(plat != NULL);
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/*
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* Check that it is not affected by the device being
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* probed/removed
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*/
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plat->count++;
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ut_asserteq(1, plat->count);
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device_probe(dev);
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device_remove(dev, DM_REMOVE_NORMAL);
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ut_asserteq_ptr(plat, dev_get_parent_plat(dev));
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ut_asserteq(1, plat->count);
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ut_assertok(device_probe(dev));
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}
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ut_asserteq(3, device_get_child_count(bus));
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/* Removing the bus should also have no effect (it is still bound) */
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device_remove(bus, DM_REMOVE_NORMAL);
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for (device_find_first_child(bus, &dev);
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dev;
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device_find_next_child(&dev)) {
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/* Check that platform data is allocated */
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plat = dev_get_parent_plat(dev);
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ut_assert(plat != NULL);
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ut_asserteq(1, plat->count);
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}
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ut_asserteq(3, device_get_child_count(bus));
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/* Unbind all the children */
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do {
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device_find_first_child(bus, &dev);
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if (dev)
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device_unbind(dev);
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} while (dev);
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/* Now the child plat should be removed and re-added */
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device_probe(bus);
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for (device_find_first_child(bus, &dev);
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dev;
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device_find_next_child(&dev)) {
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/* Check that platform data is allocated */
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plat = dev_get_parent_plat(dev);
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ut_assert(plat != NULL);
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ut_asserteq(0, plat->count);
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}
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ut_asserteq(3, device_get_child_count(bus));
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return 0;
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}
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/* Test that the bus can store platform data about each child */
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static int dm_test_bus_parent_plat(struct unit_test_state *uts)
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{
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return test_bus_parent_plat(uts);
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}
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DM_TEST(dm_test_bus_parent_plat, UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* As above but the size is controlled by the uclass */
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static int dm_test_bus_parent_plat_uclass(struct unit_test_state *uts)
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{
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struct udevice *bus;
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struct driver *drv;
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int size;
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int ret;
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/* Set the driver size to 0 so that the uclass size is used */
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ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
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drv = (struct driver *)bus->driver;
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size = drv->per_child_plat_auto;
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#ifdef CONFIG_SANDBOX
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os_mprotect_allow(bus->uclass->uc_drv, sizeof(*bus->uclass->uc_drv));
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os_mprotect_allow(drv, sizeof(*drv));
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#endif
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bus->uclass->uc_drv->per_child_plat_auto = size;
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drv->per_child_plat_auto = 0;
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ret = test_bus_parent_plat(uts);
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if (ret)
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return ret;
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bus->uclass->uc_drv->per_child_plat_auto = 0;
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drv->per_child_plat_auto = size;
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return 0;
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}
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DM_TEST(dm_test_bus_parent_plat_uclass,
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UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* Test that the child post_bind method is called */
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static int dm_test_bus_child_post_bind(struct unit_test_state *uts)
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{
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struct dm_test_parent_plat *plat;
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struct udevice *bus, *dev;
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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for (device_find_first_child(bus, &dev);
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dev;
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device_find_next_child(&dev)) {
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/* Check that platform data is allocated */
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plat = dev_get_parent_plat(dev);
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ut_assert(plat != NULL);
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ut_asserteq(1, plat->bind_flag);
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}
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ut_asserteq(3, device_get_child_count(bus));
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return 0;
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}
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DM_TEST(dm_test_bus_child_post_bind, UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/* Test that the child post_bind method is called */
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static int dm_test_bus_child_post_bind_uclass(struct unit_test_state *uts)
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{
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struct dm_test_parent_plat *plat;
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struct udevice *bus, *dev;
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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for (device_find_first_child(bus, &dev);
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dev;
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device_find_next_child(&dev)) {
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/* Check that platform data is allocated */
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plat = dev_get_parent_plat(dev);
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ut_assert(plat != NULL);
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ut_asserteq(2, plat->uclass_bind_flag);
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}
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ut_asserteq(3, device_get_child_count(bus));
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return 0;
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}
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DM_TEST(dm_test_bus_child_post_bind_uclass,
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UTF_SCAN_PDATA | UTF_SCAN_FDT);
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/*
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* Test that the bus' uclass' child_pre_probe() is called before the
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* device's probe() method
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*/
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static int dm_test_bus_child_pre_probe_uclass(struct unit_test_state *uts)
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{
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struct udevice *bus, *dev;
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/*
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* See testfdt_drv_probe() which effectively checks that the uclass
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* flag is set before that method is called
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*/
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ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
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for (device_find_first_child(bus, &dev);
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dev;
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device_find_next_child(&dev)) {
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struct dm_test_priv *priv = dev_get_priv(dev);
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/* Check that things happened in the right order */
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ut_asserteq_ptr(NULL, priv);
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ut_assertok(device_probe(dev));
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priv = dev_get_priv(dev);
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ut_assert(priv != NULL);
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ut_asserteq(1, priv->uclass_flag);
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ut_asserteq(1, priv->uclass_total);
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}
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ut_asserteq(3, device_get_child_count(bus));
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return 0;
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}
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DM_TEST(dm_test_bus_child_pre_probe_uclass,
|
|
UTF_SCAN_PDATA | UTF_SCAN_FDT);
|
|
|
|
/*
|
|
* Test that the bus' uclass' child_post_probe() is called after the
|
|
* device's probe() method
|
|
*/
|
|
static int dm_test_bus_child_post_probe_uclass(struct unit_test_state *uts)
|
|
{
|
|
struct udevice *bus, *dev;
|
|
|
|
/*
|
|
* See testfdt_drv_probe() which effectively initializes that
|
|
* the uclass postp flag is set to a value
|
|
*/
|
|
ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
|
|
for (device_find_first_child(bus, &dev);
|
|
dev;
|
|
device_find_next_child(&dev)) {
|
|
struct dm_test_priv *priv = dev_get_priv(dev);
|
|
|
|
/* Check that things happened in the right order */
|
|
ut_asserteq_ptr(NULL, priv);
|
|
ut_assertok(device_probe(dev));
|
|
|
|
priv = dev_get_priv(dev);
|
|
ut_assert(priv != NULL);
|
|
ut_asserteq(0, priv->uclass_postp);
|
|
}
|
|
ut_asserteq(3, device_get_child_count(bus));
|
|
|
|
return 0;
|
|
}
|
|
DM_TEST(dm_test_bus_child_post_probe_uclass,
|
|
UTF_SCAN_PDATA | UTF_SCAN_FDT);
|