// 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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