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// SPDX-License-Identifier: GPL-2.0 AND MIT
/*
* Copyright © 2023 Intel Corporation
*/
#include <kunit/test.h>
#include <kunit/static_stub.h>
#include <kunit/visibility.h>
#include <drm/drm_drv.h>
#include <drm/drm_kunit_helpers.h>
#include "tests/xe_kunit_helpers.h"
#include "tests/xe_pci_test.h"
#include "xe_device.h"
#include "xe_device_types.h"
#include "xe_pm.h"
/**
* xe_kunit_helper_alloc_xe_device - Allocate a &xe_device for a KUnit test.
* @test: the &kunit where this &xe_device will be used
* @dev: The parent device object
*
* This function allocates xe_device using drm_kunit_helper_alloc_device().
* The xe_device allocation is managed by the test.
*
* @dev should be allocated using drm_kunit_helper_alloc_device().
*
* This function uses KUNIT_ASSERT to detect any allocation failures.
*
* Return: A pointer to the new &xe_device.
*/
struct xe_device *xe_kunit_helper_alloc_xe_device(struct kunit *test,
struct device *dev)
{
struct xe_device *xe;
xe = drm_kunit_helper_alloc_drm_device(test, dev,
struct xe_device,
drm, DRIVER_GEM);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xe);
return xe;
}
EXPORT_SYMBOL_IF_KUNIT(xe_kunit_helper_alloc_xe_device);
static void kunit_action_restore_priv(void *priv)
{
struct kunit *test = kunit_get_current_test();
test->priv = priv;
}
/**
* xe_kunit_helper_xe_device_test_init - Prepare a &xe_device for a KUnit test.
* @test: the &kunit where this fake &xe_device will be used
*
* This function allocates and initializes a fake &xe_device and stores its
* pointer as &kunit.priv to allow the test code to access it.
*
* This function can be directly used as custom implementation of
* &kunit_suite.init.
*
* It is possible to prepare specific variant of the fake &xe_device by passing
* in &kunit.priv pointer to the struct xe_pci_fake_data supplemented with
* desired parameters prior to calling this function.
*
* This function uses KUNIT_ASSERT to detect any failures.
*
* Return: Always 0.
*/
int xe_kunit_helper_xe_device_test_init(struct kunit *test)
{
struct xe_device *xe;
struct device *dev;
int err;
dev = drm_kunit_helper_alloc_device(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
xe = xe_kunit_helper_alloc_xe_device(test, dev);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xe);
err = xe_pci_fake_device_init(xe);
KUNIT_ASSERT_EQ(test, err, 0);
err = kunit_add_action_or_reset(test, kunit_action_restore_priv, test->priv);
KUNIT_ASSERT_EQ(test, err, 0);
test->priv = xe;
return 0;
}
EXPORT_SYMBOL_IF_KUNIT(xe_kunit_helper_xe_device_test_init);
KUNIT_DEFINE_ACTION_WRAPPER(put_xe_pm_runtime, xe_pm_runtime_put, struct xe_device *);
/**
* xe_kunit_helper_xe_device_live_test_init - Prepare a &xe_device for
* use in a live KUnit test.
* @test: the &kunit where live &xe_device will be used
*
* This function expects pointer to the &xe_device in the &test.param_value,
* like it is prepared by the &xe_pci_live_device_gen_param and stores that
* pointer as &kunit.priv to allow the test code to access it.
*
* This function makes sure that device is not wedged and then resumes it
* to avoid waking up the device inside the test. It uses deferred cleanup
* action to release a runtime_pm reference.
*
* This function can be used as custom implementation of &kunit_suite.init.
*
* This function uses KUNIT_ASSERT to detect any failures.
*
* Return: Always 0.
*/
int xe_kunit_helper_xe_device_live_test_init(struct kunit *test)
{
struct xe_device *xe = xe_device_const_cast(test->param_value);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xe);
kunit_info(test, "running on %s device\n", xe->info.platform_name);
KUNIT_ASSERT_FALSE(test, xe_device_wedged(xe));
xe_pm_runtime_get(xe);
KUNIT_ASSERT_EQ(test, 0, kunit_add_action_or_reset(test, put_xe_pm_runtime, xe));
test->priv = xe;
return 0;
}
EXPORT_SYMBOL_IF_KUNIT(xe_kunit_helper_xe_device_live_test_init);
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