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/* SPDX-License-Identifier: GPL-2.0 AND MIT */
/*
* Copyright © 2022 Intel Corporation
*/
#ifndef _XE_TEST_H_
#define _XE_TEST_H_
#include <linux/types.h>
#if IS_ENABLED(CONFIG_DRM_XE_KUNIT_TEST)
#include <linux/sched.h>
#include <kunit/test.h>
/*
* Each test that provides a kunit private test structure, place a test id
* here and point the kunit->priv to an embedded struct xe_test_priv.
*/
enum xe_test_priv_id {
XE_TEST_LIVE_DMA_BUF,
XE_TEST_LIVE_MIGRATE,
};
/**
* struct xe_test_priv - Base class for test private info
* @id: enum xe_test_priv_id to identify the subclass.
*/
struct xe_test_priv {
enum xe_test_priv_id id;
};
#define XE_TEST_DECLARE(x) x
#define XE_TEST_ONLY(x) unlikely(x)
#define XE_TEST_EXPORT
#define xe_cur_kunit() current->kunit_test
/**
* xe_cur_kunit_priv - Obtain the struct xe_test_priv pointed to by
* current->kunit->priv if it exists and is embedded in the expected subclass.
* @id: Id of the expected subclass.
*
* Return: NULL if the process is not a kunit test, and NULL if the
* current kunit->priv pointer is not pointing to an object of the expected
* subclass. A pointer to the embedded struct xe_test_priv otherwise.
*/
static inline struct xe_test_priv *
xe_cur_kunit_priv(enum xe_test_priv_id id)
{
struct xe_test_priv *priv;
if (!xe_cur_kunit())
return NULL;
priv = xe_cur_kunit()->priv;
return priv->id == id ? priv : NULL;
}
#else /* if IS_ENABLED(CONFIG_DRM_XE_KUNIT_TEST) */
#define XE_TEST_DECLARE(x)
#define XE_TEST_ONLY(x) 0
#define XE_TEST_EXPORT static
#define xe_cur_kunit() NULL
#define xe_cur_kunit_priv(_id) NULL
#endif
#endif
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