2 * Copyright (c) 2013 Google, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <test/test.h>
14 * struct dm_test_cdata - configuration data for test instance
16 * @ping_add: Amonut to add each time we get a ping
17 * @base: Base address of this device
19 struct dm_test_pdata {
25 * struct test_ops - Operations supported by the test device
27 * @ping: Ping operation
28 * @dev: Device to operate on
29 * @pingval: Value to ping the device with
30 * @pingret: Returns resulting value from driver
31 * @return 0 if OK, -ve on error
34 int (*ping)(struct udevice *dev, int pingval, int *pingret);
37 /* Operations that our test driver supports */
46 DM_TEST_OP_PRE_UNBIND,
48 DM_TEST_OP_POST_PROBE,
49 DM_TEST_OP_PRE_REMOVE,
56 /* Test driver types */
58 DM_TEST_TYPE_FIRST = 0,
62 /* The number added to the ping total on each probe */
63 #define DM_TEST_START_TOTAL 5
66 * struct dm_test_priv - private data for the test devices
70 int op_count[DM_TEST_OP_COUNT];
76 * struct dm_test_perdev_class_priv - private per-device data for test uclass
78 struct dm_test_uclass_perdev_priv {
83 * struct dm_test_uclass_priv - private data for test uclass
85 struct dm_test_uclass_priv {
90 * struct dm_test_parent_data - parent's information on each child
92 * @sum: Test value used to check parent data works correctly
93 * @flag: Used to track calling of parent operations
94 * @uclass_flag: Used to track calling of parent operations by uclass
96 struct dm_test_parent_data {
101 /* Test values for test device's uclass platform data */
103 TEST_UC_PDATA_INTVAL1 = 2,
104 TEST_UC_PDATA_INTVAL2 = 334,
105 TEST_UC_PDATA_INTVAL3 = 789452,
109 * struct dm_test_uclass_platda - uclass's information on each device
111 * @intval1: set to TEST_UC_PDATA_INTVAL1 in .post_bind method of test uclass
112 * @intval2: set to TEST_UC_PDATA_INTVAL2 in .post_bind method of test uclass
113 * @intval3: set to TEST_UC_PDATA_INTVAL3 in .post_bind method of test uclass
115 struct dm_test_perdev_uc_pdata {
122 * Operation counts for the test driver, used to check that each method is
125 extern int dm_testdrv_op_count[DM_TEST_OP_COUNT];
127 extern struct unit_test_state global_dm_test_state;
130 * struct dm_test_state - Entire state of dm test system
132 * This is often abreviated to dms.
135 * @testdev: Test device
136 * @force_fail_alloc: Force all memory allocs to fail
137 * @skip_post_probe: Skip uclass post-probe processing
138 * @removed: Used to keep track of a device that was removed
140 struct dm_test_state {
141 struct udevice *root;
142 struct udevice *testdev;
143 int force_fail_alloc;
145 struct udevice *removed;
148 /* Test flags for each test */
150 DM_TESTF_SCAN_PDATA = 1 << 0, /* test needs platform data */
151 DM_TESTF_PROBE_TEST = 1 << 1, /* probe test uclass */
152 DM_TESTF_SCAN_FDT = 1 << 2, /* scan device tree */
155 /* Declare a new driver model test */
156 #define DM_TEST(_name, _flags) UNIT_TEST(_name, _flags, dm_test)
158 /* This platform data is needed in tests, so declare it here */
159 struct sandbox_sdl_plat {
166 /* Declare ping methods for the drivers */
167 int test_ping(struct udevice *dev, int pingval, int *pingret);
168 int testfdt_ping(struct udevice *dev, int pingval, int *pingret);
171 * dm_check_operations() - Check that we can perform ping operations
173 * This checks that the ping operations work as expected for a device
175 * @dms: Overall test state
176 * @dev: Device to test
177 * @base: Base address, used to check ping return value
178 * @priv: Pointer to private test information
179 * @return 0 if OK, -ve on error
181 int dm_check_operations(struct unit_test_state *uts, struct udevice *dev,
182 uint32_t base, struct dm_test_priv *priv);
185 * dm_check_devices() - check the devices respond to operations correctly
187 * @dms: Overall test state
188 * @num_devices: Number of test devices to check
189 * @return 0 if OK, -ve on error
191 int dm_check_devices(struct unit_test_state *uts, int num_devices);
194 * dm_leak_check_start() - Prepare to check for a memory leak
196 * Call this before allocating memory to record the amount of memory being
199 * @dms: Overall test state
201 void dm_leak_check_start(struct unit_test_state *uts);
204 * dm_leak_check_end() - Check that no memory has leaked
206 * Call this after dm_leak_check_start() and after you have hopefuilly freed
207 * all the memory that was allocated. This function will print an error if
208 * it sees a different amount of total memory allocated than before.
210 * @dms: Overall test state
211 */int dm_leak_check_end(struct unit_test_state *uts);