mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-18 16:08:53 +09:00
![Simon Glass](/assets/img/avatar_default.png)
This is useful to check which uclass a device is in. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
612 lines
16 KiB
C
612 lines
16 KiB
C
/*
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* Tests for the core driver model code
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*
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* Copyright (c) 2013 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <errno.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <malloc.h>
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#include <dm/device-internal.h>
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#include <dm/root.h>
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#include <dm/ut.h>
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#include <dm/util.h>
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#include <dm/test.h>
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#include <dm/uclass-internal.h>
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DECLARE_GLOBAL_DATA_PTR;
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enum {
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TEST_INTVAL1 = 0,
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TEST_INTVAL2 = 3,
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TEST_INTVAL3 = 6,
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TEST_INTVAL_MANUAL = 101112,
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TEST_INTVAL_PRE_RELOC = 7,
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};
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static const struct dm_test_pdata test_pdata[] = {
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{ .ping_add = TEST_INTVAL1, },
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{ .ping_add = TEST_INTVAL2, },
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{ .ping_add = TEST_INTVAL3, },
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};
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static const struct dm_test_pdata test_pdata_manual = {
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.ping_add = TEST_INTVAL_MANUAL,
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};
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static const struct dm_test_pdata test_pdata_pre_reloc = {
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.ping_add = TEST_INTVAL_PRE_RELOC,
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};
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U_BOOT_DEVICE(dm_test_info1) = {
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.name = "test_drv",
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.platdata = &test_pdata[0],
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};
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U_BOOT_DEVICE(dm_test_info2) = {
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.name = "test_drv",
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.platdata = &test_pdata[1],
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};
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U_BOOT_DEVICE(dm_test_info3) = {
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.name = "test_drv",
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.platdata = &test_pdata[2],
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};
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static struct driver_info driver_info_manual = {
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.name = "test_manual_drv",
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.platdata = &test_pdata_manual,
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};
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static struct driver_info driver_info_pre_reloc = {
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.name = "test_pre_reloc_drv",
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.platdata = &test_pdata_manual,
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};
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void dm_leak_check_start(struct dm_test_state *dms)
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{
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dms->start = mallinfo();
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if (!dms->start.uordblks)
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puts("Warning: Please add '#define DEBUG' to the top of common/dlmalloc.c\n");
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}
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int dm_leak_check_end(struct dm_test_state *dms)
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{
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struct mallinfo end;
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int id;
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/* Don't delete the root class, since we started with that */
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for (id = UCLASS_ROOT + 1; id < UCLASS_COUNT; id++) {
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struct uclass *uc;
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uc = uclass_find(id);
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if (!uc)
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continue;
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ut_assertok(uclass_destroy(uc));
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}
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end = mallinfo();
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ut_asserteq(dms->start.uordblks, end.uordblks);
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return 0;
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}
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/* Test that binding with platdata occurs correctly */
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static int dm_test_autobind(struct dm_test_state *dms)
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{
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struct udevice *dev;
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/*
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* We should have a single class (UCLASS_ROOT) and a single root
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* device with no children.
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*/
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ut_assert(dms->root);
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ut_asserteq(1, list_count_items(&gd->uclass_root));
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ut_asserteq(0, list_count_items(&gd->dm_root->child_head));
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ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_POST_BIND]);
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ut_assertok(dm_scan_platdata(false));
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/* We should have our test class now at least, plus more children */
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ut_assert(1 < list_count_items(&gd->uclass_root));
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ut_assert(0 < list_count_items(&gd->dm_root->child_head));
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/* Our 3 dm_test_infox children should be bound to the test uclass */
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ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_POST_BIND]);
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/* No devices should be probed */
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list_for_each_entry(dev, &gd->dm_root->child_head, sibling_node)
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ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
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/* Our test driver should have been bound 3 times */
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ut_assert(dm_testdrv_op_count[DM_TEST_OP_BIND] == 3);
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return 0;
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}
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DM_TEST(dm_test_autobind, 0);
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/* Test that autoprobe finds all the expected devices */
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static int dm_test_autoprobe(struct dm_test_state *dms)
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{
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int expected_base_add;
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struct udevice *dev;
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struct uclass *uc;
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int i;
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ut_assertok(uclass_get(UCLASS_TEST, &uc));
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ut_assert(uc);
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_INIT]);
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ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_POST_PROBE]);
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/* The root device should not be activated until needed */
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ut_assert(dms->root->flags & DM_FLAG_ACTIVATED);
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/*
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* We should be able to find the three test devices, and they should
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* all be activated as they are used (lazy activation, required by
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* U-Boot)
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*/
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for (i = 0; i < 3; i++) {
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ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev));
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ut_assert(dev);
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ut_assertf(!(dev->flags & DM_FLAG_ACTIVATED),
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"Driver %d/%s already activated", i, dev->name);
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/* This should activate it */
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ut_assertok(uclass_get_device(UCLASS_TEST, i, &dev));
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ut_assert(dev);
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ut_assert(dev->flags & DM_FLAG_ACTIVATED);
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/* Activating a device should activate the root device */
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if (!i)
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ut_assert(dms->root->flags & DM_FLAG_ACTIVATED);
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}
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/* Our 3 dm_test_infox children should be passed to post_probe */
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ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_POST_PROBE]);
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/* Also we can check the per-device data */
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expected_base_add = 0;
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for (i = 0; i < 3; i++) {
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struct dm_test_uclass_perdev_priv *priv;
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struct dm_test_pdata *pdata;
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ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev));
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ut_assert(dev);
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priv = dev->uclass_priv;
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ut_assert(priv);
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ut_asserteq(expected_base_add, priv->base_add);
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pdata = dev->platdata;
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expected_base_add += pdata->ping_add;
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}
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return 0;
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}
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DM_TEST(dm_test_autoprobe, DM_TESTF_SCAN_PDATA);
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/* Check that we see the correct platdata in each device */
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static int dm_test_platdata(struct dm_test_state *dms)
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{
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const struct dm_test_pdata *pdata;
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struct udevice *dev;
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int i;
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for (i = 0; i < 3; i++) {
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ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev));
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ut_assert(dev);
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pdata = dev->platdata;
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ut_assert(pdata->ping_add == test_pdata[i].ping_add);
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}
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return 0;
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}
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DM_TEST(dm_test_platdata, DM_TESTF_SCAN_PDATA);
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/* Test that we can bind, probe, remove, unbind a driver */
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static int dm_test_lifecycle(struct dm_test_state *dms)
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{
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int op_count[DM_TEST_OP_COUNT];
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struct udevice *dev, *test_dev;
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int pingret;
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int ret;
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memcpy(op_count, dm_testdrv_op_count, sizeof(op_count));
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ut_assertok(device_bind_by_name(dms->root, false, &driver_info_manual,
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&dev));
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ut_assert(dev);
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ut_assert(dm_testdrv_op_count[DM_TEST_OP_BIND]
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== op_count[DM_TEST_OP_BIND] + 1);
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ut_assert(!dev->priv);
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/* Probe the device - it should fail allocating private data */
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dms->force_fail_alloc = 1;
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ret = device_probe(dev);
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ut_assert(ret == -ENOMEM);
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ut_assert(dm_testdrv_op_count[DM_TEST_OP_PROBE]
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== op_count[DM_TEST_OP_PROBE] + 1);
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ut_assert(!dev->priv);
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/* Try again without the alloc failure */
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dms->force_fail_alloc = 0;
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ut_assertok(device_probe(dev));
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ut_assert(dm_testdrv_op_count[DM_TEST_OP_PROBE]
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== op_count[DM_TEST_OP_PROBE] + 2);
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ut_assert(dev->priv);
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/* This should be device 3 in the uclass */
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ut_assertok(uclass_find_device(UCLASS_TEST, 3, &test_dev));
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ut_assert(dev == test_dev);
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/* Try ping */
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ut_assertok(test_ping(dev, 100, &pingret));
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ut_assert(pingret == 102);
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/* Now remove device 3 */
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ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_PRE_REMOVE]);
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ut_assertok(device_remove(dev));
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_PRE_REMOVE]);
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ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
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ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_PRE_UNBIND]);
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ut_assertok(device_unbind(dev));
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_PRE_UNBIND]);
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return 0;
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}
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DM_TEST(dm_test_lifecycle, DM_TESTF_SCAN_PDATA | DM_TESTF_PROBE_TEST);
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/* Test that we can bind/unbind and the lists update correctly */
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static int dm_test_ordering(struct dm_test_state *dms)
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{
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struct udevice *dev, *dev_penultimate, *dev_last, *test_dev;
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int pingret;
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ut_assertok(device_bind_by_name(dms->root, false, &driver_info_manual,
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&dev));
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ut_assert(dev);
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/* Bind two new devices (numbers 4 and 5) */
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ut_assertok(device_bind_by_name(dms->root, false, &driver_info_manual,
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&dev_penultimate));
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ut_assert(dev_penultimate);
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ut_assertok(device_bind_by_name(dms->root, false, &driver_info_manual,
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&dev_last));
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ut_assert(dev_last);
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/* Now remove device 3 */
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ut_assertok(device_remove(dev));
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ut_assertok(device_unbind(dev));
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/* The device numbering should have shifted down one */
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ut_assertok(uclass_find_device(UCLASS_TEST, 3, &test_dev));
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ut_assert(dev_penultimate == test_dev);
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ut_assertok(uclass_find_device(UCLASS_TEST, 4, &test_dev));
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ut_assert(dev_last == test_dev);
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/* Add back the original device 3, now in position 5 */
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ut_assertok(device_bind_by_name(dms->root, false, &driver_info_manual,
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&dev));
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ut_assert(dev);
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/* Try ping */
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ut_assertok(test_ping(dev, 100, &pingret));
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ut_assert(pingret == 102);
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/* Remove 3 and 4 */
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ut_assertok(device_remove(dev_penultimate));
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ut_assertok(device_unbind(dev_penultimate));
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ut_assertok(device_remove(dev_last));
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ut_assertok(device_unbind(dev_last));
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/* Our device should now be in position 3 */
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ut_assertok(uclass_find_device(UCLASS_TEST, 3, &test_dev));
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ut_assert(dev == test_dev);
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/* Now remove device 3 */
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ut_assertok(device_remove(dev));
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ut_assertok(device_unbind(dev));
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return 0;
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}
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DM_TEST(dm_test_ordering, DM_TESTF_SCAN_PDATA);
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/* Check that we can perform operations on a device (do a ping) */
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int dm_check_operations(struct dm_test_state *dms, struct udevice *dev,
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uint32_t base, struct dm_test_priv *priv)
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{
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int expected;
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int pingret;
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/* Getting the child device should allocate platdata / priv */
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ut_assertok(testfdt_ping(dev, 10, &pingret));
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ut_assert(dev->priv);
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ut_assert(dev->platdata);
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expected = 10 + base;
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ut_asserteq(expected, pingret);
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/* Do another ping */
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ut_assertok(testfdt_ping(dev, 20, &pingret));
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expected = 20 + base;
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ut_asserteq(expected, pingret);
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/* Now check the ping_total */
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priv = dev->priv;
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ut_asserteq(DM_TEST_START_TOTAL + 10 + 20 + base * 2,
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priv->ping_total);
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return 0;
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}
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/* Check that we can perform operations on devices */
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static int dm_test_operations(struct dm_test_state *dms)
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{
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struct udevice *dev;
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int i;
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/*
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* Now check that the ping adds are what we expect. This is using the
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* ping-add property in each node.
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*/
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for (i = 0; i < ARRAY_SIZE(test_pdata); i++) {
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uint32_t base;
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ut_assertok(uclass_get_device(UCLASS_TEST, i, &dev));
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/*
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* Get the 'reg' property, which tells us what the ping add
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* should be. We don't use the platdata because we want
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* to test the code that sets that up (testfdt_drv_probe()).
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*/
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base = test_pdata[i].ping_add;
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debug("dev=%d, base=%d\n", i, base);
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ut_assert(!dm_check_operations(dms, dev, base, dev->priv));
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}
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return 0;
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}
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DM_TEST(dm_test_operations, DM_TESTF_SCAN_PDATA);
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/* Remove all drivers and check that things work */
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static int dm_test_remove(struct dm_test_state *dms)
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{
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struct udevice *dev;
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int i;
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for (i = 0; i < 3; i++) {
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ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev));
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ut_assert(dev);
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ut_assertf(dev->flags & DM_FLAG_ACTIVATED,
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"Driver %d/%s not activated", i, dev->name);
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ut_assertok(device_remove(dev));
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ut_assertf(!(dev->flags & DM_FLAG_ACTIVATED),
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"Driver %d/%s should have deactivated", i,
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dev->name);
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ut_assert(!dev->priv);
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}
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return 0;
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}
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DM_TEST(dm_test_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_PROBE_TEST);
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/* Remove and recreate everything, check for memory leaks */
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static int dm_test_leak(struct dm_test_state *dms)
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{
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int i;
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for (i = 0; i < 2; i++) {
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struct udevice *dev;
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int ret;
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int id;
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dm_leak_check_start(dms);
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ut_assertok(dm_scan_platdata(false));
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ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
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/* Scanning the uclass is enough to probe all the devices */
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for (id = UCLASS_ROOT; id < UCLASS_COUNT; id++) {
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for (ret = uclass_first_device(UCLASS_TEST, &dev);
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dev;
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ret = uclass_next_device(&dev))
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;
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ut_assertok(ret);
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}
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ut_assertok(dm_leak_check_end(dms));
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}
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return 0;
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}
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DM_TEST(dm_test_leak, 0);
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/* Test uclass init/destroy methods */
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static int dm_test_uclass(struct dm_test_state *dms)
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{
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struct uclass *uc;
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ut_assertok(uclass_get(UCLASS_TEST, &uc));
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_INIT]);
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ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_DESTROY]);
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ut_assert(uc->priv);
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ut_assertok(uclass_destroy(uc));
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_INIT]);
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ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_DESTROY]);
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return 0;
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}
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DM_TEST(dm_test_uclass, 0);
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/**
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* create_children() - Create children of a parent node
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*
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* @dms: Test system state
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* @parent: Parent device
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* @count: Number of children to create
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* @key: Key value to put in first child. Subsequence children
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* receive an incrementing value
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* @child: If not NULL, then the child device pointers are written into
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* this array.
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* @return 0 if OK, -ve on error
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*/
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static int create_children(struct dm_test_state *dms, struct udevice *parent,
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int count, int key, struct udevice *child[])
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{
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struct udevice *dev;
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int i;
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for (i = 0; i < count; i++) {
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struct dm_test_pdata *pdata;
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ut_assertok(device_bind_by_name(parent, false,
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&driver_info_manual, &dev));
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pdata = calloc(1, sizeof(*pdata));
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pdata->ping_add = key + i;
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dev->platdata = pdata;
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if (child)
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child[i] = dev;
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}
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return 0;
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}
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#define NODE_COUNT 10
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static int dm_test_children(struct dm_test_state *dms)
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{
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struct udevice *top[NODE_COUNT];
|
|
struct udevice *child[NODE_COUNT];
|
|
struct udevice *grandchild[NODE_COUNT];
|
|
struct udevice *dev;
|
|
int total;
|
|
int ret;
|
|
int i;
|
|
|
|
/* We don't care about the numbering for this test */
|
|
dms->skip_post_probe = 1;
|
|
|
|
ut_assert(NODE_COUNT > 5);
|
|
|
|
/* First create 10 top-level children */
|
|
ut_assertok(create_children(dms, dms->root, NODE_COUNT, 0, top));
|
|
|
|
/* Now a few have their own children */
|
|
ut_assertok(create_children(dms, top[2], NODE_COUNT, 2, NULL));
|
|
ut_assertok(create_children(dms, top[5], NODE_COUNT, 5, child));
|
|
|
|
/* And grandchildren */
|
|
for (i = 0; i < NODE_COUNT; i++)
|
|
ut_assertok(create_children(dms, child[i], NODE_COUNT, 50 * i,
|
|
i == 2 ? grandchild : NULL));
|
|
|
|
/* Check total number of devices */
|
|
total = NODE_COUNT * (3 + NODE_COUNT);
|
|
ut_asserteq(total, dm_testdrv_op_count[DM_TEST_OP_BIND]);
|
|
|
|
/* Try probing one of the grandchildren */
|
|
ut_assertok(uclass_get_device(UCLASS_TEST,
|
|
NODE_COUNT * 3 + 2 * NODE_COUNT, &dev));
|
|
ut_asserteq_ptr(grandchild[0], dev);
|
|
|
|
/*
|
|
* This should have probed the child and top node also, for a total
|
|
* of 3 nodes.
|
|
*/
|
|
ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_PROBE]);
|
|
|
|
/* Probe the other grandchildren */
|
|
for (i = 1; i < NODE_COUNT; i++)
|
|
ut_assertok(device_probe(grandchild[i]));
|
|
|
|
ut_asserteq(2 + NODE_COUNT, dm_testdrv_op_count[DM_TEST_OP_PROBE]);
|
|
|
|
/* Probe everything */
|
|
for (ret = uclass_first_device(UCLASS_TEST, &dev);
|
|
dev;
|
|
ret = uclass_next_device(&dev))
|
|
;
|
|
ut_assertok(ret);
|
|
|
|
ut_asserteq(total, dm_testdrv_op_count[DM_TEST_OP_PROBE]);
|
|
|
|
/* Remove a top-level child and check that the children are removed */
|
|
ut_assertok(device_remove(top[2]));
|
|
ut_asserteq(NODE_COUNT + 1, dm_testdrv_op_count[DM_TEST_OP_REMOVE]);
|
|
dm_testdrv_op_count[DM_TEST_OP_REMOVE] = 0;
|
|
|
|
/* Try one with grandchildren */
|
|
ut_assertok(uclass_get_device(UCLASS_TEST, 5, &dev));
|
|
ut_asserteq_ptr(dev, top[5]);
|
|
ut_assertok(device_remove(dev));
|
|
ut_asserteq(1 + NODE_COUNT * (1 + NODE_COUNT),
|
|
dm_testdrv_op_count[DM_TEST_OP_REMOVE]);
|
|
|
|
/* Try the same with unbind */
|
|
ut_assertok(device_unbind(top[2]));
|
|
ut_asserteq(NODE_COUNT + 1, dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
|
|
dm_testdrv_op_count[DM_TEST_OP_UNBIND] = 0;
|
|
|
|
/* Try one with grandchildren */
|
|
ut_assertok(uclass_get_device(UCLASS_TEST, 5, &dev));
|
|
ut_asserteq_ptr(dev, top[6]);
|
|
ut_assertok(device_unbind(top[5]));
|
|
ut_asserteq(1 + NODE_COUNT * (1 + NODE_COUNT),
|
|
dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
|
|
|
|
return 0;
|
|
}
|
|
DM_TEST(dm_test_children, 0);
|
|
|
|
/* Test that pre-relocation devices work as expected */
|
|
static int dm_test_pre_reloc(struct dm_test_state *dms)
|
|
{
|
|
struct udevice *dev;
|
|
|
|
/* The normal driver should refuse to bind before relocation */
|
|
ut_asserteq(-EPERM, device_bind_by_name(dms->root, true,
|
|
&driver_info_manual, &dev));
|
|
|
|
/* But this one is marked pre-reloc */
|
|
ut_assertok(device_bind_by_name(dms->root, true,
|
|
&driver_info_pre_reloc, &dev));
|
|
|
|
return 0;
|
|
}
|
|
DM_TEST(dm_test_pre_reloc, 0);
|
|
|
|
static int dm_test_uclass_before_ready(struct dm_test_state *dms)
|
|
{
|
|
struct uclass *uc;
|
|
|
|
ut_assertok(uclass_get(UCLASS_TEST, &uc));
|
|
|
|
memset(gd, '\0', sizeof(*gd));
|
|
ut_asserteq_ptr(NULL, uclass_find(UCLASS_TEST));
|
|
|
|
return 0;
|
|
}
|
|
|
|
DM_TEST(dm_test_uclass_before_ready, 0);
|
|
|
|
static int dm_test_device_get_uclass_id(struct dm_test_state *dms)
|
|
{
|
|
struct udevice *dev;
|
|
|
|
ut_assertok(uclass_get_device(UCLASS_TEST, 0, &dev));
|
|
ut_asserteq(UCLASS_TEST, device_get_uclass_id(dev));
|
|
|
|
return 0;
|
|
}
|
|
DM_TEST(dm_test_device_get_uclass_id, DM_TESTF_SCAN_PDATA);
|