1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Copyright (c) 2013 Google, Inc. 4 */ 5 6#ifndef __DM_TEST_H 7#define __DM_TEST_H 8 9#include <dm.h> 10#include <test/test.h> 11 12/** 13 * struct dm_test_cdata - configuration data for test instance 14 * 15 * @ping_add: Amonut to add each time we get a ping 16 * @base: Base address of this device 17 */ 18struct dm_test_pdata { 19 int ping_add; 20 uint32_t base; 21}; 22 23/** 24 * struct test_ops - Operations supported by the test device 25 * 26 * @ping: Ping operation 27 * @dev: Device to operate on 28 * @pingval: Value to ping the device with 29 * @pingret: Returns resulting value from driver 30 * @return 0 if OK, -ve on error 31 */ 32struct test_ops { 33 int (*ping)(struct udevice *dev, int pingval, int *pingret); 34}; 35 36/* Operations that our test driver supports */ 37enum { 38 DM_TEST_OP_BIND = 0, 39 DM_TEST_OP_UNBIND, 40 DM_TEST_OP_PROBE, 41 DM_TEST_OP_REMOVE, 42 43 /* For uclass */ 44 DM_TEST_OP_POST_BIND, 45 DM_TEST_OP_PRE_UNBIND, 46 DM_TEST_OP_PRE_PROBE, 47 DM_TEST_OP_POST_PROBE, 48 DM_TEST_OP_PRE_REMOVE, 49 DM_TEST_OP_INIT, 50 DM_TEST_OP_DESTROY, 51 52 DM_TEST_OP_COUNT, 53}; 54 55/* Test driver types */ 56enum { 57 DM_TEST_TYPE_FIRST = 0, 58 DM_TEST_TYPE_SECOND, 59 60 DM_TEST_TYPE_COUNT, 61}; 62 63/* The number added to the ping total on each probe */ 64#define DM_TEST_START_TOTAL 5 65 66/** 67 * struct dm_test_priv - private data for the test devices 68 */ 69struct dm_test_priv { 70 int ping_total; 71 int op_count[DM_TEST_OP_COUNT]; 72 int uclass_flag; 73 int uclass_total; 74 int uclass_postp; 75}; 76 77/** 78 * struct dm_test_perdev_class_priv - private per-device data for test uclass 79 */ 80struct dm_test_uclass_perdev_priv { 81 int base_add; 82}; 83 84/** 85 * struct dm_test_uclass_priv - private data for test uclass 86 */ 87struct dm_test_uclass_priv { 88 int total_add; 89}; 90 91/** 92 * struct dm_test_parent_data - parent's information on each child 93 * 94 * @sum: Test value used to check parent data works correctly 95 * @flag: Used to track calling of parent operations 96 * @uclass_flag: Used to track calling of parent operations by uclass 97 */ 98struct dm_test_parent_data { 99 int sum; 100 int flag; 101}; 102 103/* Test values for test device's uclass platform data */ 104enum { 105 TEST_UC_PDATA_INTVAL1 = 2, 106 TEST_UC_PDATA_INTVAL2 = 334, 107 TEST_UC_PDATA_INTVAL3 = 789452, 108}; 109 110/** 111 * struct dm_test_uclass_platda - uclass's information on each device 112 * 113 * @intval1: set to TEST_UC_PDATA_INTVAL1 in .post_bind method of test uclass 114 * @intval2: set to TEST_UC_PDATA_INTVAL2 in .post_bind method of test uclass 115 * @intval3: set to TEST_UC_PDATA_INTVAL3 in .post_bind method of test uclass 116 */ 117struct dm_test_perdev_uc_pdata { 118 int intval1; 119 int intval2; 120 int intval3; 121}; 122 123/* 124 * Operation counts for the test driver, used to check that each method is 125 * called correctly 126 */ 127extern int dm_testdrv_op_count[DM_TEST_OP_COUNT]; 128 129extern struct unit_test_state global_dm_test_state; 130 131/* 132 * struct dm_test_state - Entire state of dm test system 133 * 134 * This is often abreviated to dms. 135 * 136 * @root: Root device 137 * @testdev: Test device 138 * @force_fail_alloc: Force all memory allocs to fail 139 * @skip_post_probe: Skip uclass post-probe processing 140 * @removed: Used to keep track of a device that was removed 141 */ 142struct dm_test_state { 143 struct udevice *root; 144 struct udevice *testdev; 145 int force_fail_alloc; 146 int skip_post_probe; 147 struct udevice *removed; 148}; 149 150/* Test flags for each test */ 151enum { 152 DM_TESTF_SCAN_PDATA = 1 << 0, /* test needs platform data */ 153 DM_TESTF_PROBE_TEST = 1 << 1, /* probe test uclass */ 154 DM_TESTF_SCAN_FDT = 1 << 2, /* scan device tree */ 155 DM_TESTF_FLAT_TREE = 1 << 3, /* test needs flat DT */ 156 DM_TESTF_LIVE_TREE = 1 << 4, /* needs live device tree */ 157}; 158 159/* Declare a new driver model test */ 160#define DM_TEST(_name, _flags) UNIT_TEST(_name, _flags, dm_test) 161 162/* This platform data is needed in tests, so declare it here */ 163struct sandbox_sdl_plat { 164 int xres; 165 int yres; 166 int bpix; 167 int rot; 168 const char *vidconsole_drv_name; 169 int font_size; 170}; 171 172/* Declare ping methods for the drivers */ 173int test_ping(struct udevice *dev, int pingval, int *pingret); 174int testfdt_ping(struct udevice *dev, int pingval, int *pingret); 175 176/** 177 * dm_check_operations() - Check that we can perform ping operations 178 * 179 * This checks that the ping operations work as expected for a device 180 * 181 * @dms: Overall test state 182 * @dev: Device to test 183 * @base: Base address, used to check ping return value 184 * @priv: Pointer to private test information 185 * @return 0 if OK, -ve on error 186 */ 187int dm_check_operations(struct unit_test_state *uts, struct udevice *dev, 188 uint32_t base, struct dm_test_priv *priv); 189 190/** 191 * dm_check_devices() - check the devices respond to operations correctly 192 * 193 * @dms: Overall test state 194 * @num_devices: Number of test devices to check 195 * @return 0 if OK, -ve on error 196 */ 197int dm_check_devices(struct unit_test_state *uts, int num_devices); 198 199/** 200 * dm_leak_check_start() - Prepare to check for a memory leak 201 * 202 * Call this before allocating memory to record the amount of memory being 203 * used. 204 * 205 * @dms: Overall test state 206 */ 207void dm_leak_check_start(struct unit_test_state *uts); 208 209/** 210 * dm_leak_check_end() - Check that no memory has leaked 211 * 212 * Call this after dm_leak_check_start() and after you have hopefuilly freed 213 * all the memory that was allocated. This function will print an error if 214 * it sees a different amount of total memory allocated than before. 215 * 216 * @dms: Overall test state 217 */int dm_leak_check_end(struct unit_test_state *uts); 218 219#endif 220