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![Simon Glass](/assets/img/avatar_default.png)
It is sometimes useful to find a device in a uclass using only its driver data. The driver data often indicates the 'subtype' of the device, e,g, via its compatible string. Add a function to handle this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
220 lines
5.3 KiB
C
220 lines
5.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2013 Google, Inc.
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*/
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#ifndef __DM_TEST_H
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#define __DM_TEST_H
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#include <dm.h>
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#include <test/test.h>
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/**
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* struct dm_test_cdata - configuration data for test instance
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*
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* @ping_add: Amonut to add each time we get a ping
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* @base: Base address of this device
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*/
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struct dm_test_pdata {
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int ping_add;
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uint32_t base;
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};
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/**
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* struct test_ops - Operations supported by the test device
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*
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* @ping: Ping operation
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* @dev: Device to operate on
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* @pingval: Value to ping the device with
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* @pingret: Returns resulting value from driver
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* @return 0 if OK, -ve on error
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*/
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struct test_ops {
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int (*ping)(struct udevice *dev, int pingval, int *pingret);
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};
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/* Operations that our test driver supports */
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enum {
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DM_TEST_OP_BIND = 0,
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DM_TEST_OP_UNBIND,
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DM_TEST_OP_PROBE,
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DM_TEST_OP_REMOVE,
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/* For uclass */
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DM_TEST_OP_POST_BIND,
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DM_TEST_OP_PRE_UNBIND,
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DM_TEST_OP_PRE_PROBE,
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DM_TEST_OP_POST_PROBE,
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DM_TEST_OP_PRE_REMOVE,
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DM_TEST_OP_INIT,
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DM_TEST_OP_DESTROY,
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DM_TEST_OP_COUNT,
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};
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/* Test driver types */
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enum {
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DM_TEST_TYPE_FIRST = 0,
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DM_TEST_TYPE_SECOND,
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DM_TEST_TYPE_COUNT,
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};
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/* The number added to the ping total on each probe */
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#define DM_TEST_START_TOTAL 5
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/**
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* struct dm_test_priv - private data for the test devices
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*/
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struct dm_test_priv {
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int ping_total;
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int op_count[DM_TEST_OP_COUNT];
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int uclass_flag;
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int uclass_total;
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int uclass_postp;
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};
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/**
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* struct dm_test_perdev_class_priv - private per-device data for test uclass
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*/
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struct dm_test_uclass_perdev_priv {
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int base_add;
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};
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/**
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* struct dm_test_uclass_priv - private data for test uclass
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*/
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struct dm_test_uclass_priv {
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int total_add;
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};
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/**
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* struct dm_test_parent_data - parent's information on each child
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*
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* @sum: Test value used to check parent data works correctly
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* @flag: Used to track calling of parent operations
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* @uclass_flag: Used to track calling of parent operations by uclass
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*/
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struct dm_test_parent_data {
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int sum;
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int flag;
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};
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/* Test values for test device's uclass platform data */
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enum {
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TEST_UC_PDATA_INTVAL1 = 2,
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TEST_UC_PDATA_INTVAL2 = 334,
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TEST_UC_PDATA_INTVAL3 = 789452,
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};
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/**
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* struct dm_test_uclass_platda - uclass's information on each device
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*
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* @intval1: set to TEST_UC_PDATA_INTVAL1 in .post_bind method of test uclass
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* @intval2: set to TEST_UC_PDATA_INTVAL2 in .post_bind method of test uclass
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* @intval3: set to TEST_UC_PDATA_INTVAL3 in .post_bind method of test uclass
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*/
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struct dm_test_perdev_uc_pdata {
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int intval1;
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int intval2;
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int intval3;
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};
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/*
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* Operation counts for the test driver, used to check that each method is
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* called correctly
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*/
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extern int dm_testdrv_op_count[DM_TEST_OP_COUNT];
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extern struct unit_test_state global_dm_test_state;
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/*
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* struct dm_test_state - Entire state of dm test system
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*
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* This is often abreviated to dms.
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*
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* @root: Root device
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* @testdev: Test device
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* @force_fail_alloc: Force all memory allocs to fail
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* @skip_post_probe: Skip uclass post-probe processing
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* @removed: Used to keep track of a device that was removed
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*/
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struct dm_test_state {
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struct udevice *root;
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struct udevice *testdev;
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int force_fail_alloc;
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int skip_post_probe;
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struct udevice *removed;
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};
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/* Test flags for each test */
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enum {
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DM_TESTF_SCAN_PDATA = 1 << 0, /* test needs platform data */
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DM_TESTF_PROBE_TEST = 1 << 1, /* probe test uclass */
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DM_TESTF_SCAN_FDT = 1 << 2, /* scan device tree */
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DM_TESTF_FLAT_TREE = 1 << 3, /* test needs flat DT */
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DM_TESTF_LIVE_TREE = 1 << 4, /* needs live device tree */
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};
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/* Declare a new driver model test */
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#define DM_TEST(_name, _flags) UNIT_TEST(_name, _flags, dm_test)
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/* This platform data is needed in tests, so declare it here */
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struct sandbox_sdl_plat {
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int xres;
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int yres;
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int bpix;
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int rot;
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const char *vidconsole_drv_name;
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int font_size;
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};
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/* Declare ping methods for the drivers */
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int test_ping(struct udevice *dev, int pingval, int *pingret);
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int testfdt_ping(struct udevice *dev, int pingval, int *pingret);
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/**
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* dm_check_operations() - Check that we can perform ping operations
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*
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* This checks that the ping operations work as expected for a device
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*
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* @dms: Overall test state
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* @dev: Device to test
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* @base: Base address, used to check ping return value
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* @priv: Pointer to private test information
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* @return 0 if OK, -ve on error
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*/
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int dm_check_operations(struct unit_test_state *uts, struct udevice *dev,
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uint32_t base, struct dm_test_priv *priv);
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/**
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* dm_check_devices() - check the devices respond to operations correctly
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*
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* @dms: Overall test state
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* @num_devices: Number of test devices to check
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* @return 0 if OK, -ve on error
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*/
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int dm_check_devices(struct unit_test_state *uts, int num_devices);
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/**
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* dm_leak_check_start() - Prepare to check for a memory leak
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*
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* Call this before allocating memory to record the amount of memory being
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* used.
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*
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* @dms: Overall test state
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*/
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void dm_leak_check_start(struct unit_test_state *uts);
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/**
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* dm_leak_check_end() - Check that no memory has leaked
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*
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* Call this after dm_leak_check_start() and after you have hopefuilly freed
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* all the memory that was allocated. This function will print an error if
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* it sees a different amount of total memory allocated than before.
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*
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* @dms: Overall test state
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*/int dm_leak_check_end(struct unit_test_state *uts);
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#endif
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