diff options
author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2023-12-18 22:06:24 +0300 |
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committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-22 00:31:30 +0300 |
commit | 5095d13d758b4e602eb78771abf65ee5dc867645 (patch) | |
tree | f82cd3abeee125e2ba491c8b03b6e3693e8fa08e /drivers/gpu/drm/xe/tests | |
parent | 4ceb8645bd85aeefab0929ada82a95603c6e1f2b (diff) | |
download | linux-5095d13d758b4e602eb78771abf65ee5dc867645.tar.xz |
drm/xe/kunit: Define helper functions to allocate fake xe device
There will be more KUnit tests added that will require fake device.
Define generic helper functions to avoid code duplications.
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20231218190629.502-6-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/tests')
-rw-r--r-- | drivers/gpu/drm/xe/tests/xe_kunit_helpers.c | 80 | ||||
-rw-r--r-- | drivers/gpu/drm/xe/tests/xe_kunit_helpers.h | 17 |
2 files changed, 97 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/tests/xe_kunit_helpers.c b/drivers/gpu/drm/xe/tests/xe_kunit_helpers.c new file mode 100644 index 000000000000..6d72dbf06139 --- /dev/null +++ b/drivers/gpu/drm/xe/tests/xe_kunit_helpers.c @@ -0,0 +1,80 @@ +// 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_types.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); + +/** + * 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); + + test->priv = xe; + return 0; +} +EXPORT_SYMBOL_IF_KUNIT(xe_kunit_helper_xe_device_test_init); diff --git a/drivers/gpu/drm/xe/tests/xe_kunit_helpers.h b/drivers/gpu/drm/xe/tests/xe_kunit_helpers.h new file mode 100644 index 000000000000..067a1babf049 --- /dev/null +++ b/drivers/gpu/drm/xe/tests/xe_kunit_helpers.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 AND MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef _XE_KUNIT_HELPERS_H_ +#define _XE_KUNIT_HELPERS_H_ + +struct device; +struct kunit; +struct xe_device; + +struct xe_device *xe_kunit_helper_alloc_xe_device(struct kunit *test, + struct device *dev); +int xe_kunit_helper_xe_device_test_init(struct kunit *test); + +#endif |