diff options
author | Stefano Babic <sbabic@denx.de> | 2014-04-04 11:35:30 +0200 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2014-04-04 11:35:30 +0200 |
commit | 1cad23c5f471d695bed1e3907e30caee3c2a3056 (patch) | |
tree | 34e035df5db9b327aeae36eff9d0645a915e3177 /test/dm/core.c | |
parent | 5dd73bc0a40a4b318195eab871a1f535aad6b43b (diff) | |
parent | 00b132bf34c5be86a108ac7fe8231ad9e97f6de4 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-arm into master
Conflicts:
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'test/dm/core.c')
-rw-r--r-- | test/dm/core.c | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/test/dm/core.c b/test/dm/core.c new file mode 100644 index 00000000000..14a57c3106d --- /dev/null +++ b/test/dm/core.c @@ -0,0 +1,544 @@ +/* + * Tests for the core driver model code + * + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <dm.h> +#include <fdtdec.h> +#include <malloc.h> +#include <dm/device-internal.h> +#include <dm/root.h> +#include <dm/ut.h> +#include <dm/util.h> +#include <dm/test.h> +#include <dm/uclass-internal.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum { + TEST_INTVAL1 = 0, + TEST_INTVAL2 = 3, + TEST_INTVAL3 = 6, + TEST_INTVAL_MANUAL = 101112, +}; + +static const struct dm_test_pdata test_pdata[] = { + { .ping_add = TEST_INTVAL1, }, + { .ping_add = TEST_INTVAL2, }, + { .ping_add = TEST_INTVAL3, }, +}; + +static const struct dm_test_pdata test_pdata_manual = { + .ping_add = TEST_INTVAL_MANUAL, +}; + +U_BOOT_DEVICE(dm_test_info1) = { + .name = "test_drv", + .platdata = &test_pdata[0], +}; + +U_BOOT_DEVICE(dm_test_info2) = { + .name = "test_drv", + .platdata = &test_pdata[1], +}; + +U_BOOT_DEVICE(dm_test_info3) = { + .name = "test_drv", + .platdata = &test_pdata[2], +}; + +static struct driver_info driver_info_manual = { + .name = "test_manual_drv", + .platdata = &test_pdata_manual, +}; + +/* Test that binding with platdata occurs correctly */ +static int dm_test_autobind(struct dm_test_state *dms) +{ + struct device *dev; + + /* + * We should have a single class (UCLASS_ROOT) and a single root + * device with no children. + */ + ut_assert(dms->root); + ut_asserteq(1, list_count_items(&gd->uclass_root)); + ut_asserteq(0, list_count_items(&gd->dm_root->child_head)); + ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_POST_BIND]); + + ut_assertok(dm_scan_platdata()); + + /* We should have our test class now at least, plus more children */ + ut_assert(1 < list_count_items(&gd->uclass_root)); + ut_assert(0 < list_count_items(&gd->dm_root->child_head)); + + /* Our 3 dm_test_infox children should be bound to the test uclass */ + ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_POST_BIND]); + + /* No devices should be probed */ + list_for_each_entry(dev, &gd->dm_root->child_head, sibling_node) + ut_assert(!(dev->flags & DM_FLAG_ACTIVATED)); + + /* Our test driver should have been bound 3 times */ + ut_assert(dm_testdrv_op_count[DM_TEST_OP_BIND] == 3); + + return 0; +} +DM_TEST(dm_test_autobind, 0); + +/* Test that autoprobe finds all the expected devices */ +static int dm_test_autoprobe(struct dm_test_state *dms) +{ + int expected_base_add; + struct device *dev; + struct uclass *uc; + int i; + + ut_assertok(uclass_get(UCLASS_TEST, &uc)); + ut_assert(uc); + + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_INIT]); + ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_POST_PROBE]); + + /* The root device should not be activated until needed */ + ut_assert(!(dms->root->flags & DM_FLAG_ACTIVATED)); + + /* + * We should be able to find the three test devices, and they should + * all be activated as they are used (lazy activation, required by + * U-Boot) + */ + for (i = 0; i < 3; i++) { + ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev)); + ut_assert(dev); + ut_assertf(!(dev->flags & DM_FLAG_ACTIVATED), + "Driver %d/%s already activated", i, dev->name); + + /* This should activate it */ + ut_assertok(uclass_get_device(UCLASS_TEST, i, &dev)); + ut_assert(dev); + ut_assert(dev->flags & DM_FLAG_ACTIVATED); + + /* Activating a device should activate the root device */ + if (!i) + ut_assert(dms->root->flags & DM_FLAG_ACTIVATED); + } + + /* Our 3 dm_test_infox children should be passed to post_probe */ + ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_POST_PROBE]); + + /* Also we can check the per-device data */ + expected_base_add = 0; + for (i = 0; i < 3; i++) { + struct dm_test_uclass_perdev_priv *priv; + struct dm_test_pdata *pdata; + + ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev)); + ut_assert(dev); + + priv = dev->uclass_priv; + ut_assert(priv); + ut_asserteq(expected_base_add, priv->base_add); + + pdata = dev->platdata; + expected_base_add += pdata->ping_add; + } + + return 0; +} +DM_TEST(dm_test_autoprobe, DM_TESTF_SCAN_PDATA); + +/* Check that we see the correct platdata in each device */ +static int dm_test_platdata(struct dm_test_state *dms) +{ + const struct dm_test_pdata *pdata; + struct device *dev; + int i; + + for (i = 0; i < 3; i++) { + ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev)); + ut_assert(dev); + pdata = dev->platdata; + ut_assert(pdata->ping_add == test_pdata[i].ping_add); + } + + return 0; +} +DM_TEST(dm_test_platdata, DM_TESTF_SCAN_PDATA); + +/* Test that we can bind, probe, remove, unbind a driver */ +static int dm_test_lifecycle(struct dm_test_state *dms) +{ + int op_count[DM_TEST_OP_COUNT]; + struct device *dev, *test_dev; + int pingret; + int ret; + + memcpy(op_count, dm_testdrv_op_count, sizeof(op_count)); + + ut_assertok(device_bind_by_name(dms->root, &driver_info_manual, + &dev)); + ut_assert(dev); + ut_assert(dm_testdrv_op_count[DM_TEST_OP_BIND] + == op_count[DM_TEST_OP_BIND] + 1); + ut_assert(!dev->priv); + + /* Probe the device - it should fail allocating private data */ + dms->force_fail_alloc = 1; + ret = device_probe(dev); + ut_assert(ret == -ENOMEM); + ut_assert(dm_testdrv_op_count[DM_TEST_OP_PROBE] + == op_count[DM_TEST_OP_PROBE] + 1); + ut_assert(!dev->priv); + + /* Try again without the alloc failure */ + dms->force_fail_alloc = 0; + ut_assertok(device_probe(dev)); + ut_assert(dm_testdrv_op_count[DM_TEST_OP_PROBE] + == op_count[DM_TEST_OP_PROBE] + 2); + ut_assert(dev->priv); + + /* This should be device 3 in the uclass */ + ut_assertok(uclass_find_device(UCLASS_TEST, 3, &test_dev)); + ut_assert(dev == test_dev); + + /* Try ping */ + ut_assertok(test_ping(dev, 100, &pingret)); + ut_assert(pingret == 102); + + /* Now remove device 3 */ + ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_PRE_REMOVE]); + ut_assertok(device_remove(dev)); + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_PRE_REMOVE]); + + ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_UNBIND]); + ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_PRE_UNBIND]); + ut_assertok(device_unbind(dev)); + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_UNBIND]); + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_PRE_UNBIND]); + + return 0; +} +DM_TEST(dm_test_lifecycle, DM_TESTF_SCAN_PDATA | DM_TESTF_PROBE_TEST); + +/* Test that we can bind/unbind and the lists update correctly */ +static int dm_test_ordering(struct dm_test_state *dms) +{ + struct device *dev, *dev_penultimate, *dev_last, *test_dev; + int pingret; + + ut_assertok(device_bind_by_name(dms->root, &driver_info_manual, + &dev)); + ut_assert(dev); + + /* Bind two new devices (numbers 4 and 5) */ + ut_assertok(device_bind_by_name(dms->root, &driver_info_manual, + &dev_penultimate)); + ut_assert(dev_penultimate); + ut_assertok(device_bind_by_name(dms->root, &driver_info_manual, + &dev_last)); + ut_assert(dev_last); + + /* Now remove device 3 */ + ut_assertok(device_remove(dev)); + ut_assertok(device_unbind(dev)); + + /* The device numbering should have shifted down one */ + ut_assertok(uclass_find_device(UCLASS_TEST, 3, &test_dev)); + ut_assert(dev_penultimate == test_dev); + ut_assertok(uclass_find_device(UCLASS_TEST, 4, &test_dev)); + ut_assert(dev_last == test_dev); + + /* Add back the original device 3, now in position 5 */ + ut_assertok(device_bind_by_name(dms->root, &driver_info_manual, &dev)); + ut_assert(dev); + + /* Try ping */ + ut_assertok(test_ping(dev, 100, &pingret)); + ut_assert(pingret == 102); + + /* Remove 3 and 4 */ + ut_assertok(device_remove(dev_penultimate)); + ut_assertok(device_unbind(dev_penultimate)); + ut_assertok(device_remove(dev_last)); + ut_assertok(device_unbind(dev_last)); + + /* Our device should now be in position 3 */ + ut_assertok(uclass_find_device(UCLASS_TEST, 3, &test_dev)); + ut_assert(dev == test_dev); + + /* Now remove device 3 */ + ut_assertok(device_remove(dev)); + ut_assertok(device_unbind(dev)); + + return 0; +} +DM_TEST(dm_test_ordering, DM_TESTF_SCAN_PDATA); + +/* Check that we can perform operations on a device (do a ping) */ +int dm_check_operations(struct dm_test_state *dms, struct device *dev, + uint32_t base, struct dm_test_priv *priv) +{ + int expected; + int pingret; + + /* Getting the child device should allocate platdata / priv */ + ut_assertok(testfdt_ping(dev, 10, &pingret)); + ut_assert(dev->priv); + ut_assert(dev->platdata); + + expected = 10 + base; + ut_asserteq(expected, pingret); + + /* Do another ping */ + ut_assertok(testfdt_ping(dev, 20, &pingret)); + expected = 20 + base; + ut_asserteq(expected, pingret); + + /* Now check the ping_total */ + priv = dev->priv; + ut_asserteq(DM_TEST_START_TOTAL + 10 + 20 + base * 2, + priv->ping_total); + + return 0; +} + +/* Check that we can perform operations on devices */ +static int dm_test_operations(struct dm_test_state *dms) +{ + struct device *dev; + int i; + + /* + * Now check that the ping adds are what we expect. This is using the + * ping-add property in each node. + */ + for (i = 0; i < ARRAY_SIZE(test_pdata); i++) { + uint32_t base; + + ut_assertok(uclass_get_device(UCLASS_TEST, i, &dev)); + + /* + * Get the 'reg' property, which tells us what the ping add + * should be. We don't use the platdata because we want + * to test the code that sets that up (testfdt_drv_probe()). + */ + base = test_pdata[i].ping_add; + debug("dev=%d, base=%d\n", i, base); + + ut_assert(!dm_check_operations(dms, dev, base, dev->priv)); + } + + return 0; +} +DM_TEST(dm_test_operations, DM_TESTF_SCAN_PDATA); + +/* Remove all drivers and check that things work */ +static int dm_test_remove(struct dm_test_state *dms) +{ + struct device *dev; + int i; + + for (i = 0; i < 3; i++) { + ut_assertok(uclass_find_device(UCLASS_TEST, i, &dev)); + ut_assert(dev); + ut_assertf(dev->flags & DM_FLAG_ACTIVATED, + "Driver %d/%s not activated", i, dev->name); + ut_assertok(device_remove(dev)); + ut_assertf(!(dev->flags & DM_FLAG_ACTIVATED), + "Driver %d/%s should have deactivated", i, + dev->name); + ut_assert(!dev->priv); + } + + return 0; +} +DM_TEST(dm_test_remove, DM_TESTF_SCAN_PDATA | DM_TESTF_PROBE_TEST); + +/* Remove and recreate everything, check for memory leaks */ +static int dm_test_leak(struct dm_test_state *dms) +{ + int i; + + for (i = 0; i < 2; i++) { + struct mallinfo start, end; + struct device *dev; + int ret; + int id; + + start = mallinfo(); + if (!start.uordblks) + puts("Warning: Please add '#define DEBUG' to the top of common/dlmalloc.c\n"); + + ut_assertok(dm_scan_platdata()); + ut_assertok(dm_scan_fdt(gd->fdt_blob)); + + /* Scanning the uclass is enough to probe all the devices */ + for (id = UCLASS_ROOT; id < UCLASS_COUNT; id++) { + for (ret = uclass_first_device(UCLASS_TEST, &dev); + dev; + ret = uclass_next_device(&dev)) + ; + ut_assertok(ret); + } + + /* Don't delete the root class, since we started with that */ + for (id = UCLASS_ROOT + 1; id < UCLASS_COUNT; id++) { + struct uclass *uc; + + uc = uclass_find(id); + if (!uc) + continue; + ut_assertok(uclass_destroy(uc)); + } + + end = mallinfo(); + ut_asserteq(start.uordblks, end.uordblks); + } + + return 0; +} +DM_TEST(dm_test_leak, 0); + +/* Test uclass init/destroy methods */ +static int dm_test_uclass(struct dm_test_state *dms) +{ + struct uclass *uc; + + ut_assertok(uclass_get(UCLASS_TEST, &uc)); + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_INIT]); + ut_asserteq(0, dm_testdrv_op_count[DM_TEST_OP_DESTROY]); + ut_assert(uc->priv); + + ut_assertok(uclass_destroy(uc)); + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_INIT]); + ut_asserteq(1, dm_testdrv_op_count[DM_TEST_OP_DESTROY]); + + return 0; +} +DM_TEST(dm_test_uclass, 0); + +/** + * create_children() - Create children of a parent node + * + * @dms: Test system state + * @parent: Parent device + * @count: Number of children to create + * @key: Key value to put in first child. Subsequence children + * receive an incrementing value + * @child: If not NULL, then the child device pointers are written into + * this array. + * @return 0 if OK, -ve on error + */ +static int create_children(struct dm_test_state *dms, struct device *parent, + int count, int key, struct device *child[]) +{ + struct device *dev; + int i; + + for (i = 0; i < count; i++) { + struct dm_test_pdata *pdata; + + ut_assertok(device_bind_by_name(parent, &driver_info_manual, + &dev)); + pdata = calloc(1, sizeof(*pdata)); + pdata->ping_add = key + i; + dev->platdata = pdata; + if (child) + child[i] = dev; + } + + return 0; +} + +#define NODE_COUNT 10 + +static int dm_test_children(struct dm_test_state *dms) +{ + struct device *top[NODE_COUNT]; + struct device *child[NODE_COUNT]; + struct device *grandchild[NODE_COUNT]; + struct device *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); |