100 lines · c
1/*2 * SPDX-License-Identifier: MIT3 *4 * Copyright © 2016 Intel Corporation5 */6 7#include "i915_selftest.h"8 9#include "huge_gem_object.h"10#include "selftests/igt_flush_test.h"11#include "selftests/mock_gem_device.h"12 13static int igt_gem_object(void *arg)14{15 struct drm_i915_private *i915 = arg;16 struct drm_i915_gem_object *obj;17 int err;18 19 /* Basic test to ensure we can create an object */20 21 obj = i915_gem_object_create_shmem(i915, PAGE_SIZE);22 if (IS_ERR(obj)) {23 err = PTR_ERR(obj);24 pr_err("i915_gem_object_create failed, err=%d\n", err);25 goto out;26 }27 28 err = 0;29 i915_gem_object_put(obj);30out:31 return err;32}33 34static int igt_gem_huge(void *arg)35{36 const unsigned long nreal = 509; /* just to be awkward */37 struct drm_i915_private *i915 = arg;38 struct drm_i915_gem_object *obj;39 unsigned long n;40 int err;41 42 /* Basic sanitycheck of our huge fake object allocation */43 44 obj = huge_gem_object(i915,45 nreal * PAGE_SIZE,46 to_gt(i915)->ggtt->vm.total + PAGE_SIZE);47 if (IS_ERR(obj))48 return PTR_ERR(obj);49 50 err = i915_gem_object_pin_pages_unlocked(obj);51 if (err) {52 pr_err("Failed to allocate %lu pages (%lu total), err=%d\n",53 nreal, obj->base.size / PAGE_SIZE, err);54 goto out;55 }56 57 for (n = 0; n < obj->base.size / PAGE_SIZE; n++) {58 if (i915_gem_object_get_page(obj, n) !=59 i915_gem_object_get_page(obj, n % nreal)) {60 pr_err("Page lookup mismatch at index %lu [%lu]\n",61 n, n % nreal);62 err = -EINVAL;63 goto out_unpin;64 }65 }66 67out_unpin:68 i915_gem_object_unpin_pages(obj);69out:70 i915_gem_object_put(obj);71 return err;72}73 74int i915_gem_object_mock_selftests(void)75{76 static const struct i915_subtest tests[] = {77 SUBTEST(igt_gem_object),78 };79 struct drm_i915_private *i915;80 int err;81 82 i915 = mock_gem_device();83 if (!i915)84 return -ENOMEM;85 86 err = i915_subtests(tests, i915);87 88 mock_destroy_device(i915);89 return err;90}91 92int i915_gem_object_live_selftests(struct drm_i915_private *i915)93{94 static const struct i915_subtest tests[] = {95 SUBTEST(igt_gem_huge),96 };97 98 return i915_live_subtests(tests, i915);99}100