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path: root/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c
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Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c
deleted file mode 100644
index 2b943ee246c9..000000000000
--- a/drivers/gpu/drm/i915/selftests/i915_gem_dmabuf.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * Copyright © 2016 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- */
-
-#include "../i915_selftest.h"
-
-#include "mock_gem_device.h"
-#include "mock_dmabuf.h"
-
-static int igt_dmabuf_export(void *arg)
-{
- struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj;
- struct dma_buf *dmabuf;
-
- obj = i915_gem_object_create(i915, PAGE_SIZE);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
-
- dmabuf = i915_gem_prime_export(&i915->drm, &obj->base, 0);
- i915_gem_object_put(obj);
- if (IS_ERR(dmabuf)) {
- pr_err("i915_gem_prime_export failed with err=%d\n",
- (int)PTR_ERR(dmabuf));
- return PTR_ERR(dmabuf);
- }
-
- dma_buf_put(dmabuf);
- return 0;
-}
-
-static int igt_dmabuf_import_self(void *arg)
-{
- struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj;
- struct drm_gem_object *import;
- struct dma_buf *dmabuf;
- int err;
-
- obj = i915_gem_object_create(i915, PAGE_SIZE);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
-
- dmabuf = i915_gem_prime_export(&i915->drm, &obj->base, 0);
- if (IS_ERR(dmabuf)) {
- pr_err("i915_gem_prime_export failed with err=%d\n",
- (int)PTR_ERR(dmabuf));
- err = PTR_ERR(dmabuf);
- goto out;
- }
-
- import = i915_gem_prime_import(&i915->drm, dmabuf);
- if (IS_ERR(import)) {
- pr_err("i915_gem_prime_import failed with err=%d\n",
- (int)PTR_ERR(import));
- err = PTR_ERR(import);
- goto out_dmabuf;
- }
-
- if (import != &obj->base) {
- pr_err("i915_gem_prime_import created a new object!\n");
- err = -EINVAL;
- goto out_import;
- }
-
- err = 0;
-out_import:
- i915_gem_object_put(to_intel_bo(import));
-out_dmabuf:
- dma_buf_put(dmabuf);
-out:
- i915_gem_object_put(obj);
- return err;
-}
-
-static int igt_dmabuf_import(void *arg)
-{
- struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj;
- struct dma_buf *dmabuf;
- void *obj_map, *dma_map;
- u32 pattern[] = { 0, 0xaa, 0xcc, 0x55, 0xff };
- int err, i;
-
- dmabuf = mock_dmabuf(1);
- if (IS_ERR(dmabuf))
- return PTR_ERR(dmabuf);
-
- obj = to_intel_bo(i915_gem_prime_import(&i915->drm, dmabuf));
- if (IS_ERR(obj)) {
- pr_err("i915_gem_prime_import failed with err=%d\n",
- (int)PTR_ERR(obj));
- err = PTR_ERR(obj);
- goto out_dmabuf;
- }
-
- if (obj->base.dev != &i915->drm) {
- pr_err("i915_gem_prime_import created a non-i915 object!\n");
- err = -EINVAL;
- goto out_obj;
- }
-
- if (obj->base.size != PAGE_SIZE) {
- pr_err("i915_gem_prime_import is wrong size found %lld, expected %ld\n",
- (long long)obj->base.size, PAGE_SIZE);
- err = -EINVAL;
- goto out_obj;
- }
-
- dma_map = dma_buf_vmap(dmabuf);
- if (!dma_map) {
- pr_err("dma_buf_vmap failed\n");
- err = -ENOMEM;
- goto out_obj;
- }
-
- if (0) { /* Can not yet map dmabuf */
- obj_map = i915_gem_object_pin_map(obj, I915_MAP_WB);
- if (IS_ERR(obj_map)) {
- err = PTR_ERR(obj_map);
- pr_err("i915_gem_object_pin_map failed with err=%d\n", err);
- goto out_dma_map;
- }
-
- for (i = 0; i < ARRAY_SIZE(pattern); i++) {
- memset(dma_map, pattern[i], PAGE_SIZE);
- if (memchr_inv(obj_map, pattern[i], PAGE_SIZE)) {
- err = -EINVAL;
- pr_err("imported vmap not all set to %x!\n", pattern[i]);
- i915_gem_object_unpin_map(obj);
- goto out_dma_map;
- }
- }
-
- for (i = 0; i < ARRAY_SIZE(pattern); i++) {
- memset(obj_map, pattern[i], PAGE_SIZE);
- if (memchr_inv(dma_map, pattern[i], PAGE_SIZE)) {
- err = -EINVAL;
- pr_err("exported vmap not all set to %x!\n", pattern[i]);
- i915_gem_object_unpin_map(obj);
- goto out_dma_map;
- }
- }
-
- i915_gem_object_unpin_map(obj);
- }
-
- err = 0;
-out_dma_map:
- dma_buf_vunmap(dmabuf, dma_map);
-out_obj:
- i915_gem_object_put(obj);
-out_dmabuf:
- dma_buf_put(dmabuf);
- return err;
-}
-
-static int igt_dmabuf_import_ownership(void *arg)
-{
- struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj;
- struct dma_buf *dmabuf;
- void *ptr;
- int err;
-
- dmabuf = mock_dmabuf(1);
- if (IS_ERR(dmabuf))
- return PTR_ERR(dmabuf);
-
- ptr = dma_buf_vmap(dmabuf);
- if (!ptr) {
- pr_err("dma_buf_vmap failed\n");
- err = -ENOMEM;
- goto err_dmabuf;
- }
-
- memset(ptr, 0xc5, PAGE_SIZE);
- dma_buf_vunmap(dmabuf, ptr);
-
- obj = to_intel_bo(i915_gem_prime_import(&i915->drm, dmabuf));
- if (IS_ERR(obj)) {
- pr_err("i915_gem_prime_import failed with err=%d\n",
- (int)PTR_ERR(obj));
- err = PTR_ERR(obj);
- goto err_dmabuf;
- }
-
- dma_buf_put(dmabuf);
-
- err = i915_gem_object_pin_pages(obj);
- if (err) {
- pr_err("i915_gem_object_pin_pages failed with err=%d\n", err);
- goto out_obj;
- }
-
- err = 0;
- i915_gem_object_unpin_pages(obj);
-out_obj:
- i915_gem_object_put(obj);
- return err;
-
-err_dmabuf:
- dma_buf_put(dmabuf);
- return err;
-}
-
-static int igt_dmabuf_export_vmap(void *arg)
-{
- struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj;
- struct dma_buf *dmabuf;
- void *ptr;
- int err;
-
- obj = i915_gem_object_create(i915, PAGE_SIZE);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
-
- dmabuf = i915_gem_prime_export(&i915->drm, &obj->base, 0);
- if (IS_ERR(dmabuf)) {
- pr_err("i915_gem_prime_export failed with err=%d\n",
- (int)PTR_ERR(dmabuf));
- err = PTR_ERR(dmabuf);
- goto err_obj;
- }
- i915_gem_object_put(obj);
-
- ptr = dma_buf_vmap(dmabuf);
- if (!ptr) {
- pr_err("dma_buf_vmap failed\n");
- err = -ENOMEM;
- goto out;
- }
-
- if (memchr_inv(ptr, 0, dmabuf->size)) {
- pr_err("Exported object not initialiased to zero!\n");
- err = -EINVAL;
- goto out;
- }
-
- memset(ptr, 0xc5, dmabuf->size);
-
- err = 0;
- dma_buf_vunmap(dmabuf, ptr);
-out:
- dma_buf_put(dmabuf);
- return err;
-
-err_obj:
- i915_gem_object_put(obj);
- return err;
-}
-
-static int igt_dmabuf_export_kmap(void *arg)
-{
- struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj;
- struct dma_buf *dmabuf;
- void *ptr;
- int err;
-
- obj = i915_gem_object_create(i915, 2*PAGE_SIZE);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
-
- dmabuf = i915_gem_prime_export(&i915->drm, &obj->base, 0);
- i915_gem_object_put(obj);
- if (IS_ERR(dmabuf)) {
- err = PTR_ERR(dmabuf);
- pr_err("i915_gem_prime_export failed with err=%d\n", err);
- return err;
- }
-
- ptr = dma_buf_kmap(dmabuf, 0);
- if (!ptr) {
- pr_err("dma_buf_kmap failed\n");
- err = -ENOMEM;
- goto err;
- }
-
- if (memchr_inv(ptr, 0, PAGE_SIZE)) {
- dma_buf_kunmap(dmabuf, 0, ptr);
- pr_err("Exported page[0] not initialiased to zero!\n");
- err = -EINVAL;
- goto err;
- }
-
- memset(ptr, 0xc5, PAGE_SIZE);
- dma_buf_kunmap(dmabuf, 0, ptr);
-
- ptr = i915_gem_object_pin_map(obj, I915_MAP_WB);
- if (IS_ERR(ptr)) {
- err = PTR_ERR(ptr);
- pr_err("i915_gem_object_pin_map failed with err=%d\n", err);
- goto err;
- }
- memset(ptr + PAGE_SIZE, 0xaa, PAGE_SIZE);
- i915_gem_object_flush_map(obj);
- i915_gem_object_unpin_map(obj);
-
- ptr = dma_buf_kmap(dmabuf, 1);
- if (!ptr) {
- pr_err("dma_buf_kmap failed\n");
- err = -ENOMEM;
- goto err;
- }
-
- if (memchr_inv(ptr, 0xaa, PAGE_SIZE)) {
- dma_buf_kunmap(dmabuf, 1, ptr);
- pr_err("Exported page[1] not set to 0xaa!\n");
- err = -EINVAL;
- goto err;
- }
-
- memset(ptr, 0xc5, PAGE_SIZE);
- dma_buf_kunmap(dmabuf, 1, ptr);
-
- ptr = dma_buf_kmap(dmabuf, 0);
- if (!ptr) {
- pr_err("dma_buf_kmap failed\n");
- err = -ENOMEM;
- goto err;
- }
- if (memchr_inv(ptr, 0xc5, PAGE_SIZE)) {
- dma_buf_kunmap(dmabuf, 0, ptr);
- pr_err("Exported page[0] did not retain 0xc5!\n");
- err = -EINVAL;
- goto err;
- }
- dma_buf_kunmap(dmabuf, 0, ptr);
-
- ptr = dma_buf_kmap(dmabuf, 2);
- if (ptr) {
- pr_err("Erroneously kmapped beyond the end of the object!\n");
- dma_buf_kunmap(dmabuf, 2, ptr);
- err = -EINVAL;
- goto err;
- }
-
- ptr = dma_buf_kmap(dmabuf, -1);
- if (ptr) {
- pr_err("Erroneously kmapped before the start of the object!\n");
- dma_buf_kunmap(dmabuf, -1, ptr);
- err = -EINVAL;
- goto err;
- }
-
- err = 0;
-err:
- dma_buf_put(dmabuf);
- return err;
-}
-
-int i915_gem_dmabuf_mock_selftests(void)
-{
- static const struct i915_subtest tests[] = {
- SUBTEST(igt_dmabuf_export),
- SUBTEST(igt_dmabuf_import_self),
- SUBTEST(igt_dmabuf_import),
- SUBTEST(igt_dmabuf_import_ownership),
- SUBTEST(igt_dmabuf_export_vmap),
- SUBTEST(igt_dmabuf_export_kmap),
- };
- struct drm_i915_private *i915;
- int err;
-
- i915 = mock_gem_device();
- if (!i915)
- return -ENOMEM;
-
- err = i915_subtests(tests, i915);
-
- drm_dev_put(&i915->drm);
- return err;
-}
-
-int i915_gem_dmabuf_live_selftests(struct drm_i915_private *i915)
-{
- static const struct i915_subtest tests[] = {
- SUBTEST(igt_dmabuf_export),
- };
-
- return i915_subtests(tests, i915);
-}