* [Intel-gfx] [PATCH v2 1/4] drm: Expose a method for creating anonymous struct file around drm_minor
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: Daniel Vetter, intel-gfx
Sometimes we need to create a struct file to wrap a drm_device, as it
the user were to have opened /dev/dri/card0 but to do so anonymously
(i.e. for internal use). Provide a utility method to create a struct
file with the drm_device->driver.fops, that wrap the drm_device.
v2: Restrict usage to selftests
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/Kconfig | 4 ++++
drivers/gpu/drm/drm_file.c | 42 ++++++++++++++++++++++++++++++++++++++
include/drm/drm_file.h | 3 +++
3 files changed, 49 insertions(+)
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 617d9c3a86c3..589d5d693855 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -70,6 +70,10 @@ config DRM_DEBUG_SELFTEST
If in doubt, say "N".
+config DRM_DEBUG_SELFTEST_MODULE
+ bool
+ depends on DRM_DEBUG_SELFTEST
+
config DRM_KMS_HELPER
tristate
depends on DRM
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index ea34bc991858..4d9385d1bf2d 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -31,7 +31,9 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <linux/anon_inodes.h>
#include <linux/dma-fence.h>
+#include <linux/file.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/poll.h>
@@ -754,3 +756,43 @@ void drm_send_event(struct drm_device *dev, struct drm_pending_event *e)
spin_unlock_irqrestore(&dev->event_lock, irqflags);
}
EXPORT_SYMBOL(drm_send_event);
+
+/**
+ * mock_drm_getfile - Create a new struct file for the drm device
+ * @minor: drm minor to wrap (e.g. #drm_device.primary)
+ * @flags: file creation mode (O_RDWR etc)
+ *
+ * This create a new struct file that wraps a DRM file context around a
+ * DRM minor. This mimicks userspace opening e.g. /dev/dri/card0, but without
+ * invoking userspace. The struct file may be operated on using its f_op
+ * (the drm_device.driver.fops) to mimick userspace operations, or be supplied
+ * to userspace facing functions as an internal/anonymous client.
+ *
+ * RETURNS:
+ * Pointer to newly created struct file, ERR_PTR on failure.
+ */
+struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags)
+{
+ struct drm_device *dev = minor->dev;
+ struct drm_file *priv;
+ struct file *file;
+
+ priv = drm_file_alloc(minor);
+ if (IS_ERR(priv))
+ return ERR_CAST(priv);
+
+ file = anon_inode_getfile("drm", dev->driver->fops, priv, flags);
+ if (IS_ERR(file)) {
+ drm_file_free(priv);
+ return file;
+ }
+
+ /* Everyone shares a single global address space */
+ file->f_mapping = dev->anon_inode->i_mapping;
+
+ drm_dev_get(dev);
+ priv->filp = file;
+
+ return file;
+}
+EXPORT_SYMBOL_FOR_TESTS_ONLY(mock_drm_getfile);
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 67af60bb527a..8b099b347817 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -42,6 +42,7 @@ struct dma_fence;
struct drm_file;
struct drm_device;
struct device;
+struct file;
/*
* FIXME: Not sure we want to have drm_minor here in the end, but to avoid
@@ -387,4 +388,6 @@ void drm_event_cancel_free(struct drm_device *dev,
void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e);
void drm_send_event(struct drm_device *dev, struct drm_pending_event *e);
+struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
+
#endif /* _DRM_FILE_H_ */
--
2.24.0
_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [PATCH v2 2/4] drm/i915/selftests: Replace mock_file hackery with drm's true fake
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: intel-gfx
As drm now exports a method to create an anonymous struct file around a
drm_device for internal use, make use of it to avoid our horrible hacks.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/Kconfig.debug | 2 +
.../gpu/drm/i915/gem/selftests/huge_pages.c | 2 +-
.../drm/i915/gem/selftests/i915_gem_context.c | 12 ++---
.../i915/gem/selftests/i915_gem_object_blt.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_context.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 8 +--
.../gpu/drm/i915/gt/selftest_workarounds.c | 2 +-
drivers/gpu/drm/i915/selftests/i915_gem.c | 4 +-
.../gpu/drm/i915/selftests/i915_gem_evict.c | 2 +-
drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +-
drivers/gpu/drm/i915/selftests/i915_request.c | 2 +-
.../drm/i915/selftests/intel_memory_region.c | 2 +-
drivers/gpu/drm/i915/selftests/mock_drm.c | 49 +++----------------
drivers/gpu/drm/i915/selftests/mock_drm.h | 8 ++-
14 files changed, 39 insertions(+), 66 deletions(-)
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index ef123eb29168..bcf710f66168 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -38,6 +38,7 @@ config DRM_I915_DEBUG
select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
select DRM_DEBUG_MM if DRM=y
select DRM_DEBUG_SELFTEST
+ select DRM_DEBUG_SELFTEST_MODULE
select DMABUF_SELFTESTS
select SW_SYNC # signaling validation framework (igt/syncobj*)
select DRM_I915_SW_FENCE_DEBUG_OBJECTS
@@ -160,6 +161,7 @@ config DRM_I915_SELFTEST
bool "Enable selftests upon driver load"
depends on DRM_I915
default n
+ select DRM_DEBUG_SELFTEST_MODULE
select FAULT_INJECTION
select PRIME_NUMBERS
help
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index 688c49a24f32..06dad7b0db82 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -1944,6 +1944,6 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915)
err = i915_subtests(tests, ctx);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 62fabc023a83..47890c92534c 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -149,7 +149,7 @@ static int live_nop_switch(void *arg)
}
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -377,7 +377,7 @@ static int live_parallel_switch(void *arg)
}
kfree(data);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -716,7 +716,7 @@ static int igt_ctx_exec(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
if (err)
return err;
@@ -854,7 +854,7 @@ static int igt_shared_ctx_exec(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -1426,7 +1426,7 @@ static int igt_ctx_readonly(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -1750,7 +1750,7 @@ static int igt_vm_isolation(void *arg)
out_file:
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
index e8132aca0bb6..d9fdfddb7091 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
@@ -301,7 +301,7 @@ static int igt_fill_blt_thread(void *arg)
intel_context_put(ce);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -432,7 +432,7 @@ static int igt_copy_blt_thread(void *arg)
intel_context_put(ce);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c
index bc720defc6b8..a5688f7d9073 100644
--- a/drivers/gpu/drm/i915/gt/selftest_context.c
+++ b/drivers/gpu/drm/i915/gt/selftest_context.c
@@ -313,7 +313,7 @@ static int live_active_context(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
@@ -423,7 +423,7 @@ static int live_remote_context(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 85e9ccf5c304..cdaaee4432b2 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -439,7 +439,7 @@ static int igt_reset_nop(void *arg)
err = igt_flush_test(gt->i915);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
if (intel_gt_is_wedged(gt))
err = -EIO;
return err;
@@ -535,7 +535,7 @@ static int igt_reset_nop_engine(void *arg)
err = igt_flush_test(gt->i915);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
if (intel_gt_is_wedged(gt))
err = -EIO;
return err;
@@ -752,7 +752,7 @@ static int active_engine(void *data)
}
err_file:
- mock_file_free(engine->i915, file);
+ mock_file_put(file);
return err;
}
@@ -1325,7 +1325,7 @@ static int igt_reset_evict_ppgtt(void *arg)
i915_vm_put(vm);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
index abce6e4ec9c0..5c69ec5c5ef9 100644
--- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
@@ -739,7 +739,7 @@ static int live_dirty_whitelist(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c
index d83f6bf6d9d4..aa6282adfd09 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem.c
@@ -163,7 +163,7 @@ static int igt_gem_suspend(void *arg)
err = switch_to_context(ctx);
out:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -198,7 +198,7 @@ static int igt_gem_hibernate(void *arg)
err = switch_to_context(ctx);
out:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
index 42e948144f1b..41092dcea5b1 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
@@ -515,7 +515,7 @@ static int igt_evict_contexts(void *arg)
pr_info("Submitted %lu contexts/requests on %s\n",
count, engine->name);
- mock_file_free(i915, file);
+ mock_file_put(file);
if (err)
break;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 3f7e80fb3bbd..c3e0d63c4d0c 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1026,7 +1026,7 @@ static int exercise_ppgtt(struct drm_i915_private *dev_priv,
i915_vm_put(&ppgtt->vm);
out_free:
- mock_file_free(dev_priv, file);
+ mock_file_put(file);
return err;
}
@@ -2022,7 +2022,7 @@ static int igt_cs_tlb(void *arg)
out_vm:
i915_vm_put(vm);
out_unlock:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 9e6d3159cd80..7c56ee38cc5b 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -1430,7 +1430,7 @@ static int live_breadcrumbs_smoketest(void *arg)
out_smoke:
kfree(smoke);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
out_rpm:
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
index 19e1cca8f143..fa283ce4532a 100644
--- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
@@ -439,7 +439,7 @@ static int igt_lmem_write_gpu(void *arg)
out_put:
i915_gem_object_put(obj);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.c b/drivers/gpu/drm/i915/selftests/mock_drm.c
index 09c704153456..c100c3efe239 100644
--- a/drivers/gpu/drm/i915/selftests/mock_drm.c
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.c
@@ -22,52 +22,17 @@
*
*/
+#include <drm/drm_file.h>
+
#include "mock_drm.h"
struct drm_file *mock_file(struct drm_i915_private *i915)
{
- struct file *filp;
- struct inode *inode;
- struct drm_file *file;
- int err;
-
- inode = kzalloc(sizeof(*inode), GFP_KERNEL);
- if (!inode) {
- err = -ENOMEM;
- goto err;
- }
-
- inode->i_rdev = i915->drm.primary->index;
-
- filp = kzalloc(sizeof(*filp), GFP_KERNEL);
- if (!filp) {
- err = -ENOMEM;
- goto err_inode;
- }
-
- err = drm_open(inode, filp);
- if (err)
- goto err_filp;
+ struct file *file;
- file = filp->private_data;
- memset(&file->filp, POISON_INUSE, sizeof(file->filp));
- file->authenticated = true;
-
- kfree(filp);
- kfree(inode);
- return file;
-
-err_filp:
- kfree(filp);
-err_inode:
- kfree(inode);
-err:
- return ERR_PTR(err);
-}
-
-void mock_file_free(struct drm_i915_private *i915, struct drm_file *file)
-{
- struct file filp = { .private_data = file };
+ file = mock_drm_getfile(i915->drm.primary, O_RDWR);
+ if (IS_ERR(file))
+ return ERR_CAST(file);
- drm_release(NULL, &filp);
+ return file->private_data;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.h b/drivers/gpu/drm/i915/selftests/mock_drm.h
index b39beee9f8f6..dc4190bd3f5a 100644
--- a/drivers/gpu/drm/i915/selftests/mock_drm.h
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.h
@@ -25,7 +25,13 @@
#ifndef __MOCK_DRM_H
#define __MOCK_DRM_H
+struct drm_file;
+struct drm_i915_private;
+
struct drm_file *mock_file(struct drm_i915_private *i915);
-void mock_file_free(struct drm_i915_private *i915, struct drm_file *file);
+static inline void mock_file_put(struct drm_file *file)
+{
+ fput(file->filp);
+}
#endif /* !__MOCK_DRM_H */
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [Intel-gfx] [PATCH v2 2/4] drm/i915/selftests: Replace mock_file hackery with drm's true fake
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: intel-gfx
As drm now exports a method to create an anonymous struct file around a
drm_device for internal use, make use of it to avoid our horrible hacks.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/Kconfig.debug | 2 +
.../gpu/drm/i915/gem/selftests/huge_pages.c | 2 +-
.../drm/i915/gem/selftests/i915_gem_context.c | 12 ++---
.../i915/gem/selftests/i915_gem_object_blt.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_context.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 8 +--
.../gpu/drm/i915/gt/selftest_workarounds.c | 2 +-
drivers/gpu/drm/i915/selftests/i915_gem.c | 4 +-
.../gpu/drm/i915/selftests/i915_gem_evict.c | 2 +-
drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +-
drivers/gpu/drm/i915/selftests/i915_request.c | 2 +-
.../drm/i915/selftests/intel_memory_region.c | 2 +-
drivers/gpu/drm/i915/selftests/mock_drm.c | 49 +++----------------
drivers/gpu/drm/i915/selftests/mock_drm.h | 8 ++-
14 files changed, 39 insertions(+), 66 deletions(-)
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index ef123eb29168..bcf710f66168 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -38,6 +38,7 @@ config DRM_I915_DEBUG
select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
select DRM_DEBUG_MM if DRM=y
select DRM_DEBUG_SELFTEST
+ select DRM_DEBUG_SELFTEST_MODULE
select DMABUF_SELFTESTS
select SW_SYNC # signaling validation framework (igt/syncobj*)
select DRM_I915_SW_FENCE_DEBUG_OBJECTS
@@ -160,6 +161,7 @@ config DRM_I915_SELFTEST
bool "Enable selftests upon driver load"
depends on DRM_I915
default n
+ select DRM_DEBUG_SELFTEST_MODULE
select FAULT_INJECTION
select PRIME_NUMBERS
help
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index 688c49a24f32..06dad7b0db82 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -1944,6 +1944,6 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915)
err = i915_subtests(tests, ctx);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 62fabc023a83..47890c92534c 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -149,7 +149,7 @@ static int live_nop_switch(void *arg)
}
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -377,7 +377,7 @@ static int live_parallel_switch(void *arg)
}
kfree(data);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -716,7 +716,7 @@ static int igt_ctx_exec(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
if (err)
return err;
@@ -854,7 +854,7 @@ static int igt_shared_ctx_exec(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -1426,7 +1426,7 @@ static int igt_ctx_readonly(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -1750,7 +1750,7 @@ static int igt_vm_isolation(void *arg)
out_file:
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
index e8132aca0bb6..d9fdfddb7091 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
@@ -301,7 +301,7 @@ static int igt_fill_blt_thread(void *arg)
intel_context_put(ce);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -432,7 +432,7 @@ static int igt_copy_blt_thread(void *arg)
intel_context_put(ce);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c
index bc720defc6b8..a5688f7d9073 100644
--- a/drivers/gpu/drm/i915/gt/selftest_context.c
+++ b/drivers/gpu/drm/i915/gt/selftest_context.c
@@ -313,7 +313,7 @@ static int live_active_context(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
@@ -423,7 +423,7 @@ static int live_remote_context(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 85e9ccf5c304..cdaaee4432b2 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -439,7 +439,7 @@ static int igt_reset_nop(void *arg)
err = igt_flush_test(gt->i915);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
if (intel_gt_is_wedged(gt))
err = -EIO;
return err;
@@ -535,7 +535,7 @@ static int igt_reset_nop_engine(void *arg)
err = igt_flush_test(gt->i915);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
if (intel_gt_is_wedged(gt))
err = -EIO;
return err;
@@ -752,7 +752,7 @@ static int active_engine(void *data)
}
err_file:
- mock_file_free(engine->i915, file);
+ mock_file_put(file);
return err;
}
@@ -1325,7 +1325,7 @@ static int igt_reset_evict_ppgtt(void *arg)
i915_vm_put(vm);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
index abce6e4ec9c0..5c69ec5c5ef9 100644
--- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
@@ -739,7 +739,7 @@ static int live_dirty_whitelist(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c
index d83f6bf6d9d4..aa6282adfd09 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem.c
@@ -163,7 +163,7 @@ static int igt_gem_suspend(void *arg)
err = switch_to_context(ctx);
out:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -198,7 +198,7 @@ static int igt_gem_hibernate(void *arg)
err = switch_to_context(ctx);
out:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
index 42e948144f1b..41092dcea5b1 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
@@ -515,7 +515,7 @@ static int igt_evict_contexts(void *arg)
pr_info("Submitted %lu contexts/requests on %s\n",
count, engine->name);
- mock_file_free(i915, file);
+ mock_file_put(file);
if (err)
break;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 3f7e80fb3bbd..c3e0d63c4d0c 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1026,7 +1026,7 @@ static int exercise_ppgtt(struct drm_i915_private *dev_priv,
i915_vm_put(&ppgtt->vm);
out_free:
- mock_file_free(dev_priv, file);
+ mock_file_put(file);
return err;
}
@@ -2022,7 +2022,7 @@ static int igt_cs_tlb(void *arg)
out_vm:
i915_vm_put(vm);
out_unlock:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 9e6d3159cd80..7c56ee38cc5b 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -1430,7 +1430,7 @@ static int live_breadcrumbs_smoketest(void *arg)
out_smoke:
kfree(smoke);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
out_rpm:
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
index 19e1cca8f143..fa283ce4532a 100644
--- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
@@ -439,7 +439,7 @@ static int igt_lmem_write_gpu(void *arg)
out_put:
i915_gem_object_put(obj);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.c b/drivers/gpu/drm/i915/selftests/mock_drm.c
index 09c704153456..c100c3efe239 100644
--- a/drivers/gpu/drm/i915/selftests/mock_drm.c
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.c
@@ -22,52 +22,17 @@
*
*/
+#include <drm/drm_file.h>
+
#include "mock_drm.h"
struct drm_file *mock_file(struct drm_i915_private *i915)
{
- struct file *filp;
- struct inode *inode;
- struct drm_file *file;
- int err;
-
- inode = kzalloc(sizeof(*inode), GFP_KERNEL);
- if (!inode) {
- err = -ENOMEM;
- goto err;
- }
-
- inode->i_rdev = i915->drm.primary->index;
-
- filp = kzalloc(sizeof(*filp), GFP_KERNEL);
- if (!filp) {
- err = -ENOMEM;
- goto err_inode;
- }
-
- err = drm_open(inode, filp);
- if (err)
- goto err_filp;
+ struct file *file;
- file = filp->private_data;
- memset(&file->filp, POISON_INUSE, sizeof(file->filp));
- file->authenticated = true;
-
- kfree(filp);
- kfree(inode);
- return file;
-
-err_filp:
- kfree(filp);
-err_inode:
- kfree(inode);
-err:
- return ERR_PTR(err);
-}
-
-void mock_file_free(struct drm_i915_private *i915, struct drm_file *file)
-{
- struct file filp = { .private_data = file };
+ file = mock_drm_getfile(i915->drm.primary, O_RDWR);
+ if (IS_ERR(file))
+ return ERR_CAST(file);
- drm_release(NULL, &filp);
+ return file->private_data;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.h b/drivers/gpu/drm/i915/selftests/mock_drm.h
index b39beee9f8f6..dc4190bd3f5a 100644
--- a/drivers/gpu/drm/i915/selftests/mock_drm.h
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.h
@@ -25,7 +25,13 @@
#ifndef __MOCK_DRM_H
#define __MOCK_DRM_H
+struct drm_file;
+struct drm_i915_private;
+
struct drm_file *mock_file(struct drm_i915_private *i915);
-void mock_file_free(struct drm_i915_private *i915, struct drm_file *file);
+static inline void mock_file_put(struct drm_file *file)
+{
+ fput(file->filp);
+}
#endif /* !__MOCK_DRM_H */
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [PATCH v2 2/4] drm/i915/selftests: Replace mock_file hackery with drm's true fake
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: intel-gfx
As drm now exports a method to create an anonymous struct file around a
drm_device for internal use, make use of it to avoid our horrible hacks.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/Kconfig.debug | 2 +
.../gpu/drm/i915/gem/selftests/huge_pages.c | 2 +-
.../drm/i915/gem/selftests/i915_gem_context.c | 12 ++---
.../i915/gem/selftests/i915_gem_object_blt.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_context.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_hangcheck.c | 8 +--
.../gpu/drm/i915/gt/selftest_workarounds.c | 2 +-
drivers/gpu/drm/i915/selftests/i915_gem.c | 4 +-
.../gpu/drm/i915/selftests/i915_gem_evict.c | 2 +-
drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +-
drivers/gpu/drm/i915/selftests/i915_request.c | 2 +-
.../drm/i915/selftests/intel_memory_region.c | 2 +-
drivers/gpu/drm/i915/selftests/mock_drm.c | 49 +++----------------
drivers/gpu/drm/i915/selftests/mock_drm.h | 8 ++-
14 files changed, 39 insertions(+), 66 deletions(-)
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index ef123eb29168..bcf710f66168 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -38,6 +38,7 @@ config DRM_I915_DEBUG
select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
select DRM_DEBUG_MM if DRM=y
select DRM_DEBUG_SELFTEST
+ select DRM_DEBUG_SELFTEST_MODULE
select DMABUF_SELFTESTS
select SW_SYNC # signaling validation framework (igt/syncobj*)
select DRM_I915_SW_FENCE_DEBUG_OBJECTS
@@ -160,6 +161,7 @@ config DRM_I915_SELFTEST
bool "Enable selftests upon driver load"
depends on DRM_I915
default n
+ select DRM_DEBUG_SELFTEST_MODULE
select FAULT_INJECTION
select PRIME_NUMBERS
help
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index 688c49a24f32..06dad7b0db82 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -1944,6 +1944,6 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915)
err = i915_subtests(tests, ctx);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 62fabc023a83..47890c92534c 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -149,7 +149,7 @@ static int live_nop_switch(void *arg)
}
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -377,7 +377,7 @@ static int live_parallel_switch(void *arg)
}
kfree(data);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -716,7 +716,7 @@ static int igt_ctx_exec(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
if (err)
return err;
@@ -854,7 +854,7 @@ static int igt_shared_ctx_exec(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -1426,7 +1426,7 @@ static int igt_ctx_readonly(void *arg)
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -1750,7 +1750,7 @@ static int igt_vm_isolation(void *arg)
out_file:
if (igt_live_test_end(&t))
err = -EIO;
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
index e8132aca0bb6..d9fdfddb7091 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
@@ -301,7 +301,7 @@ static int igt_fill_blt_thread(void *arg)
intel_context_put(ce);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -432,7 +432,7 @@ static int igt_copy_blt_thread(void *arg)
intel_context_put(ce);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c
index bc720defc6b8..a5688f7d9073 100644
--- a/drivers/gpu/drm/i915/gt/selftest_context.c
+++ b/drivers/gpu/drm/i915/gt/selftest_context.c
@@ -313,7 +313,7 @@ static int live_active_context(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
@@ -423,7 +423,7 @@ static int live_remote_context(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index 85e9ccf5c304..cdaaee4432b2 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -439,7 +439,7 @@ static int igt_reset_nop(void *arg)
err = igt_flush_test(gt->i915);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
if (intel_gt_is_wedged(gt))
err = -EIO;
return err;
@@ -535,7 +535,7 @@ static int igt_reset_nop_engine(void *arg)
err = igt_flush_test(gt->i915);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
if (intel_gt_is_wedged(gt))
err = -EIO;
return err;
@@ -752,7 +752,7 @@ static int active_engine(void *data)
}
err_file:
- mock_file_free(engine->i915, file);
+ mock_file_put(file);
return err;
}
@@ -1325,7 +1325,7 @@ static int igt_reset_evict_ppgtt(void *arg)
i915_vm_put(vm);
out:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
index abce6e4ec9c0..5c69ec5c5ef9 100644
--- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
@@ -739,7 +739,7 @@ static int live_dirty_whitelist(void *arg)
}
out_file:
- mock_file_free(gt->i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c
index d83f6bf6d9d4..aa6282adfd09 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem.c
@@ -163,7 +163,7 @@ static int igt_gem_suspend(void *arg)
err = switch_to_context(ctx);
out:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
@@ -198,7 +198,7 @@ static int igt_gem_hibernate(void *arg)
err = switch_to_context(ctx);
out:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
index 42e948144f1b..41092dcea5b1 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
@@ -515,7 +515,7 @@ static int igt_evict_contexts(void *arg)
pr_info("Submitted %lu contexts/requests on %s\n",
count, engine->name);
- mock_file_free(i915, file);
+ mock_file_put(file);
if (err)
break;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 3f7e80fb3bbd..c3e0d63c4d0c 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1026,7 +1026,7 @@ static int exercise_ppgtt(struct drm_i915_private *dev_priv,
i915_vm_put(&ppgtt->vm);
out_free:
- mock_file_free(dev_priv, file);
+ mock_file_put(file);
return err;
}
@@ -2022,7 +2022,7 @@ static int igt_cs_tlb(void *arg)
out_vm:
i915_vm_put(vm);
out_unlock:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 9e6d3159cd80..7c56ee38cc5b 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -1430,7 +1430,7 @@ static int live_breadcrumbs_smoketest(void *arg)
out_smoke:
kfree(smoke);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
out_rpm:
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
index 19e1cca8f143..fa283ce4532a 100644
--- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
@@ -439,7 +439,7 @@ static int igt_lmem_write_gpu(void *arg)
out_put:
i915_gem_object_put(obj);
out_file:
- mock_file_free(i915, file);
+ mock_file_put(file);
return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.c b/drivers/gpu/drm/i915/selftests/mock_drm.c
index 09c704153456..c100c3efe239 100644
--- a/drivers/gpu/drm/i915/selftests/mock_drm.c
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.c
@@ -22,52 +22,17 @@
*
*/
+#include <drm/drm_file.h>
+
#include "mock_drm.h"
struct drm_file *mock_file(struct drm_i915_private *i915)
{
- struct file *filp;
- struct inode *inode;
- struct drm_file *file;
- int err;
-
- inode = kzalloc(sizeof(*inode), GFP_KERNEL);
- if (!inode) {
- err = -ENOMEM;
- goto err;
- }
-
- inode->i_rdev = i915->drm.primary->index;
-
- filp = kzalloc(sizeof(*filp), GFP_KERNEL);
- if (!filp) {
- err = -ENOMEM;
- goto err_inode;
- }
-
- err = drm_open(inode, filp);
- if (err)
- goto err_filp;
+ struct file *file;
- file = filp->private_data;
- memset(&file->filp, POISON_INUSE, sizeof(file->filp));
- file->authenticated = true;
-
- kfree(filp);
- kfree(inode);
- return file;
-
-err_filp:
- kfree(filp);
-err_inode:
- kfree(inode);
-err:
- return ERR_PTR(err);
-}
-
-void mock_file_free(struct drm_i915_private *i915, struct drm_file *file)
-{
- struct file filp = { .private_data = file };
+ file = mock_drm_getfile(i915->drm.primary, O_RDWR);
+ if (IS_ERR(file))
+ return ERR_CAST(file);
- drm_release(NULL, &filp);
+ return file->private_data;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_drm.h b/drivers/gpu/drm/i915/selftests/mock_drm.h
index b39beee9f8f6..dc4190bd3f5a 100644
--- a/drivers/gpu/drm/i915/selftests/mock_drm.h
+++ b/drivers/gpu/drm/i915/selftests/mock_drm.h
@@ -25,7 +25,13 @@
#ifndef __MOCK_DRM_H
#define __MOCK_DRM_H
+struct drm_file;
+struct drm_i915_private;
+
struct drm_file *mock_file(struct drm_i915_private *i915);
-void mock_file_free(struct drm_i915_private *i915, struct drm_file *file);
+static inline void mock_file_put(struct drm_file *file)
+{
+ fput(file->filp);
+}
#endif /* !__MOCK_DRM_H */
--
2.24.0
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [PATCH v2 3/4] drm/i915/selftests: Wrap vm_mmap() around GEM objects
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: Abdiel Janulgue, intel-gfx
Provide a utility function to create a vma corresponding to an mmap() of
our device. And use it to exercise the equivalent of userspace
performing a GTT mmap of our objects.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
---
drivers/gpu/drm/i915/Makefile | 1 +
.../drm/i915/gem/selftests/i915_gem_mman.c | 97 +++++++++++++++++++
drivers/gpu/drm/i915/selftests/igt_mmap.c | 39 ++++++++
drivers/gpu/drm/i915/selftests/igt_mmap.h | 19 ++++
4 files changed, 156 insertions(+)
create mode 100644 drivers/gpu/drm/i915/selftests/igt_mmap.c
create mode 100644 drivers/gpu/drm/i915/selftests/igt_mmap.h
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 90dcf09f52cc..e0fd10c0cfb8 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -259,6 +259,7 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
selftests/i915_selftest.o \
selftests/igt_flush_test.o \
selftests/igt_live_test.o \
+ selftests/igt_mmap.o \
selftests/igt_reset.o \
selftests/igt_spinner.o
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 29b2077b73d2..3c8f2297be86 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -12,6 +12,7 @@
#include "i915_selftest.h"
#include "selftests/i915_random.h"
#include "selftests/igt_flush_test.h"
+#include "selftests/igt_mmap.h"
struct tile {
unsigned int width;
@@ -694,12 +695,108 @@ static int igt_mmap_offset_exhaustion(void *arg)
goto out;
}
+#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
+static int igt_mmap_gtt(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ struct vm_area_struct *area;
+ unsigned long addr;
+ void *vaddr;
+ int err, i;
+
+ obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
+ if (IS_ERR(vaddr)) {
+ err = PTR_ERR(vaddr);
+ goto out;
+ }
+ memset(vaddr, POISON_INUSE, PAGE_SIZE);
+ i915_gem_object_flush_map(obj);
+ i915_gem_object_unpin_map(obj);
+
+ err = create_mmap_offset(obj);
+ if (err)
+ goto out;
+
+ addr = igt_mmap_node(i915, &obj->base.vma_node,
+ 0, PROT_WRITE, MAP_SHARED);
+ if (IS_ERR_VALUE(addr)) {
+ err = addr;
+ goto out;
+ }
+
+ pr_debug("igt_mmap(obj:gtt) @ %lx\n", addr);
+
+ area = find_vma(current->mm, addr);
+ if (!area) {
+ pr_err("Did not create a vm_area_struct for the mmap\n");
+ err = -EINVAL;
+ goto out_unmap;
+ }
+
+ if (area->vm_private_data != obj) {
+ pr_err("vm_area_struct did not point back to our object!\n");
+ err = -EINVAL;
+ goto out_unmap;
+ }
+
+ for (i = 0; i < PAGE_SIZE / sizeof(u32); i++) {
+ u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof*(ux)));
+ u32 x;
+
+ if (get_user(x, ux)) {
+ pr_err("Unable to read from GTT mmap, offset:%zd\n",
+ i * sizeof(x));
+ err = -EFAULT;
+ break;
+ }
+
+ if (x != expand32(POISON_INUSE)) {
+ pr_err("Read incorrect value from GTT mmap, offset:%zd, found:%x, expected:%x\n",
+ i * sizeof(x), x, expand32(POISON_INUSE));
+ err = -EINVAL;
+ break;
+ }
+
+ x = expand32(POISON_FREE);
+ if (put_user(x, ux)) {
+ pr_err("Unable to write to GTT mmap, offset:%zd\n",
+ i * sizeof(x));
+ err = -EFAULT;
+ break;
+ }
+ }
+
+out_unmap:
+ vm_munmap(addr, PAGE_SIZE);
+
+ vaddr = i915_gem_object_pin_map(obj, I915_MAP_FORCE_WC);
+ if (IS_ERR(vaddr)) {
+ err = PTR_ERR(vaddr);
+ goto out;
+ }
+ if (err == 0 && memchr_inv(vaddr, POISON_FREE, PAGE_SIZE)) {
+ pr_err("Write via GGTT mmap did not land in backing store\n");
+ err = -EINVAL;
+ }
+ i915_gem_object_unpin_map(obj);
+
+out:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_partial_tiling),
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
+ SUBTEST(igt_mmap_gtt),
};
return i915_subtests(tests, i915);
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.c b/drivers/gpu/drm/i915/selftests/igt_mmap.c
new file mode 100644
index 000000000000..583a4ff8b8c9
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.c
@@ -0,0 +1,39 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include <drm/drm_file.h>
+
+#include "i915_drv.h"
+#include "igt_mmap.h"
+
+unsigned long igt_mmap_node(struct drm_i915_private *i915,
+ struct drm_vma_offset_node *node,
+ unsigned long addr,
+ unsigned long prot,
+ unsigned long flags)
+{
+ struct file *file;
+ int err;
+
+ /* Pretend to open("/dev/dri/card0") */
+ file = mock_drm_getfile(i915->drm.primary, O_RDWR);
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
+ err = drm_vma_node_allow(node, file->private_data);
+ if (err) {
+ addr = err;
+ goto out_file;
+ }
+
+ addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
+ prot, flags, drm_vma_node_offset_addr(node));
+
+ drm_vma_node_revoke(node, file->private_data);
+out_file:
+ fput(file);
+ return addr;
+}
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.h b/drivers/gpu/drm/i915/selftests/igt_mmap.h
new file mode 100644
index 000000000000..6e716cb59d7e
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef IGT_MMAP_H
+#define IGT_MMAP_H
+
+struct drm_i915_private;
+struct drm_vma_offset_node;
+
+unsigned long igt_mmap_node(struct drm_i915_private *i915,
+ struct drm_vma_offset_node *node,
+ unsigned long addr,
+ unsigned long prot,
+ unsigned long flags);
+
+#endif /* IGT_MMAP_H */
--
2.24.0
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [Intel-gfx] [PATCH v2 3/4] drm/i915/selftests: Wrap vm_mmap() around GEM objects
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: intel-gfx
Provide a utility function to create a vma corresponding to an mmap() of
our device. And use it to exercise the equivalent of userspace
performing a GTT mmap of our objects.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
---
drivers/gpu/drm/i915/Makefile | 1 +
.../drm/i915/gem/selftests/i915_gem_mman.c | 97 +++++++++++++++++++
drivers/gpu/drm/i915/selftests/igt_mmap.c | 39 ++++++++
drivers/gpu/drm/i915/selftests/igt_mmap.h | 19 ++++
4 files changed, 156 insertions(+)
create mode 100644 drivers/gpu/drm/i915/selftests/igt_mmap.c
create mode 100644 drivers/gpu/drm/i915/selftests/igt_mmap.h
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 90dcf09f52cc..e0fd10c0cfb8 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -259,6 +259,7 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
selftests/i915_selftest.o \
selftests/igt_flush_test.o \
selftests/igt_live_test.o \
+ selftests/igt_mmap.o \
selftests/igt_reset.o \
selftests/igt_spinner.o
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 29b2077b73d2..3c8f2297be86 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -12,6 +12,7 @@
#include "i915_selftest.h"
#include "selftests/i915_random.h"
#include "selftests/igt_flush_test.h"
+#include "selftests/igt_mmap.h"
struct tile {
unsigned int width;
@@ -694,12 +695,108 @@ static int igt_mmap_offset_exhaustion(void *arg)
goto out;
}
+#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
+static int igt_mmap_gtt(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ struct vm_area_struct *area;
+ unsigned long addr;
+ void *vaddr;
+ int err, i;
+
+ obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
+ if (IS_ERR(vaddr)) {
+ err = PTR_ERR(vaddr);
+ goto out;
+ }
+ memset(vaddr, POISON_INUSE, PAGE_SIZE);
+ i915_gem_object_flush_map(obj);
+ i915_gem_object_unpin_map(obj);
+
+ err = create_mmap_offset(obj);
+ if (err)
+ goto out;
+
+ addr = igt_mmap_node(i915, &obj->base.vma_node,
+ 0, PROT_WRITE, MAP_SHARED);
+ if (IS_ERR_VALUE(addr)) {
+ err = addr;
+ goto out;
+ }
+
+ pr_debug("igt_mmap(obj:gtt) @ %lx\n", addr);
+
+ area = find_vma(current->mm, addr);
+ if (!area) {
+ pr_err("Did not create a vm_area_struct for the mmap\n");
+ err = -EINVAL;
+ goto out_unmap;
+ }
+
+ if (area->vm_private_data != obj) {
+ pr_err("vm_area_struct did not point back to our object!\n");
+ err = -EINVAL;
+ goto out_unmap;
+ }
+
+ for (i = 0; i < PAGE_SIZE / sizeof(u32); i++) {
+ u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof*(ux)));
+ u32 x;
+
+ if (get_user(x, ux)) {
+ pr_err("Unable to read from GTT mmap, offset:%zd\n",
+ i * sizeof(x));
+ err = -EFAULT;
+ break;
+ }
+
+ if (x != expand32(POISON_INUSE)) {
+ pr_err("Read incorrect value from GTT mmap, offset:%zd, found:%x, expected:%x\n",
+ i * sizeof(x), x, expand32(POISON_INUSE));
+ err = -EINVAL;
+ break;
+ }
+
+ x = expand32(POISON_FREE);
+ if (put_user(x, ux)) {
+ pr_err("Unable to write to GTT mmap, offset:%zd\n",
+ i * sizeof(x));
+ err = -EFAULT;
+ break;
+ }
+ }
+
+out_unmap:
+ vm_munmap(addr, PAGE_SIZE);
+
+ vaddr = i915_gem_object_pin_map(obj, I915_MAP_FORCE_WC);
+ if (IS_ERR(vaddr)) {
+ err = PTR_ERR(vaddr);
+ goto out;
+ }
+ if (err == 0 && memchr_inv(vaddr, POISON_FREE, PAGE_SIZE)) {
+ pr_err("Write via GGTT mmap did not land in backing store\n");
+ err = -EINVAL;
+ }
+ i915_gem_object_unpin_map(obj);
+
+out:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_partial_tiling),
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
+ SUBTEST(igt_mmap_gtt),
};
return i915_subtests(tests, i915);
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.c b/drivers/gpu/drm/i915/selftests/igt_mmap.c
new file mode 100644
index 000000000000..583a4ff8b8c9
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.c
@@ -0,0 +1,39 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include <drm/drm_file.h>
+
+#include "i915_drv.h"
+#include "igt_mmap.h"
+
+unsigned long igt_mmap_node(struct drm_i915_private *i915,
+ struct drm_vma_offset_node *node,
+ unsigned long addr,
+ unsigned long prot,
+ unsigned long flags)
+{
+ struct file *file;
+ int err;
+
+ /* Pretend to open("/dev/dri/card0") */
+ file = mock_drm_getfile(i915->drm.primary, O_RDWR);
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
+ err = drm_vma_node_allow(node, file->private_data);
+ if (err) {
+ addr = err;
+ goto out_file;
+ }
+
+ addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
+ prot, flags, drm_vma_node_offset_addr(node));
+
+ drm_vma_node_revoke(node, file->private_data);
+out_file:
+ fput(file);
+ return addr;
+}
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.h b/drivers/gpu/drm/i915/selftests/igt_mmap.h
new file mode 100644
index 000000000000..6e716cb59d7e
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef IGT_MMAP_H
+#define IGT_MMAP_H
+
+struct drm_i915_private;
+struct drm_vma_offset_node;
+
+unsigned long igt_mmap_node(struct drm_i915_private *i915,
+ struct drm_vma_offset_node *node,
+ unsigned long addr,
+ unsigned long prot,
+ unsigned long flags);
+
+#endif /* IGT_MMAP_H */
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [PATCH v2 4/4] drm/i915/selftests: Verify mmap_gtt revocation on unbinding
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: intel-gfx
Whenever, we unbind (or change fence registers) on an object, we must
revoke any and all mmap_gtt using the previous bindings. Those user PTEs
point at the GGTT which know points into a new object, the wrong object.
Ergo, those PTEs must be cleared so that any user access provokes a new
page fault.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
---
.../drm/i915/gem/selftests/i915_gem_mman.c | 107 ++++++++++++++++++
1 file changed, 107 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 3c8f2297be86..687750388cd5 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -790,6 +790,112 @@ static int igt_mmap_gtt(void *arg)
return err;
}
+static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
+{
+ if (!pte_present(*pte) || pte_none(*pte)) {
+ pr_err("missing PTE:%lx\n",
+ (addr - (unsigned long)data) >> PAGE_SHIFT);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int check_absent_pte(pte_t *pte, unsigned long addr, void *data)
+{
+ if (pte_present(*pte) && !pte_none(*pte)) {
+ pr_err("present PTE:%lx; expected to be revoked\n",
+ (addr - (unsigned long)data) >> PAGE_SHIFT);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int check_present(unsigned long addr, unsigned long len)
+{
+ return apply_to_page_range(current->mm, addr, len,
+ check_present_pte, (void *)addr);
+}
+
+static int check_absent(unsigned long addr, unsigned long len)
+{
+ return apply_to_page_range(current->mm, addr, len,
+ check_absent_pte, (void *)addr);
+}
+
+static int prefault_range(u64 start, u64 len)
+{
+ const char __user *addr, *end;
+ char __maybe_unused c;
+
+ addr = u64_to_user_ptr(start);
+ end = addr + len;
+
+ for (; addr < end; addr += PAGE_SIZE) {
+ int err = __get_user(c, addr);
+ if (err)
+ return err;
+ }
+
+ return __get_user(c, end - 1);
+}
+
+static int igt_mmap_gtt_revoke(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ unsigned long addr;
+ int err;
+
+ obj = i915_gem_object_create_internal(i915, SZ_4M);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ err = create_mmap_offset(obj);
+ if (err)
+ goto out;
+
+ addr = igt_mmap_node(i915, &obj->base.vma_node,
+ 0, PROT_WRITE, MAP_SHARED);
+ if (IS_ERR_VALUE(addr)) {
+ err = addr;
+ goto out;
+ }
+
+ err = prefault_range(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+ GEM_BUG_ON(!atomic_read(&obj->bind_count));
+
+ err = check_present(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+ /*
+ * After unbinding the object from the GGTT, its address may be reused
+ * for other objects. Ergo we have to revoke the previous mmap PTE
+ * access as it no longer points to the same object.
+ */
+ err = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
+ if (err) {
+ pr_err("Failed to unbind object!\n");
+ goto out_unmap;
+ }
+ GEM_BUG_ON(atomic_read(&obj->bind_count));
+
+ err = check_absent(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+out_unmap:
+ vm_munmap(addr, obj->base.size);
+out:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
@@ -797,6 +903,7 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
SUBTEST(igt_mmap_gtt),
+ SUBTEST(igt_mmap_gtt_revoke),
};
return i915_subtests(tests, i915);
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [Intel-gfx] [PATCH v2 4/4] drm/i915/selftests: Verify mmap_gtt revocation on unbinding
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: intel-gfx
Whenever, we unbind (or change fence registers) on an object, we must
revoke any and all mmap_gtt using the previous bindings. Those user PTEs
point at the GGTT which know points into a new object, the wrong object.
Ergo, those PTEs must be cleared so that any user access provokes a new
page fault.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
---
.../drm/i915/gem/selftests/i915_gem_mman.c | 107 ++++++++++++++++++
1 file changed, 107 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 3c8f2297be86..687750388cd5 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -790,6 +790,112 @@ static int igt_mmap_gtt(void *arg)
return err;
}
+static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
+{
+ if (!pte_present(*pte) || pte_none(*pte)) {
+ pr_err("missing PTE:%lx\n",
+ (addr - (unsigned long)data) >> PAGE_SHIFT);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int check_absent_pte(pte_t *pte, unsigned long addr, void *data)
+{
+ if (pte_present(*pte) && !pte_none(*pte)) {
+ pr_err("present PTE:%lx; expected to be revoked\n",
+ (addr - (unsigned long)data) >> PAGE_SHIFT);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int check_present(unsigned long addr, unsigned long len)
+{
+ return apply_to_page_range(current->mm, addr, len,
+ check_present_pte, (void *)addr);
+}
+
+static int check_absent(unsigned long addr, unsigned long len)
+{
+ return apply_to_page_range(current->mm, addr, len,
+ check_absent_pte, (void *)addr);
+}
+
+static int prefault_range(u64 start, u64 len)
+{
+ const char __user *addr, *end;
+ char __maybe_unused c;
+
+ addr = u64_to_user_ptr(start);
+ end = addr + len;
+
+ for (; addr < end; addr += PAGE_SIZE) {
+ int err = __get_user(c, addr);
+ if (err)
+ return err;
+ }
+
+ return __get_user(c, end - 1);
+}
+
+static int igt_mmap_gtt_revoke(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ unsigned long addr;
+ int err;
+
+ obj = i915_gem_object_create_internal(i915, SZ_4M);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ err = create_mmap_offset(obj);
+ if (err)
+ goto out;
+
+ addr = igt_mmap_node(i915, &obj->base.vma_node,
+ 0, PROT_WRITE, MAP_SHARED);
+ if (IS_ERR_VALUE(addr)) {
+ err = addr;
+ goto out;
+ }
+
+ err = prefault_range(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+ GEM_BUG_ON(!atomic_read(&obj->bind_count));
+
+ err = check_present(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+ /*
+ * After unbinding the object from the GGTT, its address may be reused
+ * for other objects. Ergo we have to revoke the previous mmap PTE
+ * access as it no longer points to the same object.
+ */
+ err = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
+ if (err) {
+ pr_err("Failed to unbind object!\n");
+ goto out_unmap;
+ }
+ GEM_BUG_ON(atomic_read(&obj->bind_count));
+
+ err = check_absent(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+out_unmap:
+ vm_munmap(addr, obj->base.size);
+out:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
@@ -797,6 +903,7 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
SUBTEST(igt_mmap_gtt),
+ SUBTEST(igt_mmap_gtt_revoke),
};
return i915_subtests(tests, i915);
--
2.24.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 16+ messages in thread
* [PATCH v2 4/4] drm/i915/selftests: Verify mmap_gtt revocation on unbinding
@ 2019-11-06 13:57 ` Chris Wilson
0 siblings, 0 replies; 16+ messages in thread
From: Chris Wilson @ 2019-11-06 13:57 UTC (permalink / raw)
To: dri-devel; +Cc: Abdiel Janulgue, intel-gfx
Whenever, we unbind (or change fence registers) on an object, we must
revoke any and all mmap_gtt using the previous bindings. Those user PTEs
point at the GGTT which know points into a new object, the wrong object.
Ergo, those PTEs must be cleared so that any user access provokes a new
page fault.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
---
.../drm/i915/gem/selftests/i915_gem_mman.c | 107 ++++++++++++++++++
1 file changed, 107 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 3c8f2297be86..687750388cd5 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -790,6 +790,112 @@ static int igt_mmap_gtt(void *arg)
return err;
}
+static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
+{
+ if (!pte_present(*pte) || pte_none(*pte)) {
+ pr_err("missing PTE:%lx\n",
+ (addr - (unsigned long)data) >> PAGE_SHIFT);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int check_absent_pte(pte_t *pte, unsigned long addr, void *data)
+{
+ if (pte_present(*pte) && !pte_none(*pte)) {
+ pr_err("present PTE:%lx; expected to be revoked\n",
+ (addr - (unsigned long)data) >> PAGE_SHIFT);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int check_present(unsigned long addr, unsigned long len)
+{
+ return apply_to_page_range(current->mm, addr, len,
+ check_present_pte, (void *)addr);
+}
+
+static int check_absent(unsigned long addr, unsigned long len)
+{
+ return apply_to_page_range(current->mm, addr, len,
+ check_absent_pte, (void *)addr);
+}
+
+static int prefault_range(u64 start, u64 len)
+{
+ const char __user *addr, *end;
+ char __maybe_unused c;
+
+ addr = u64_to_user_ptr(start);
+ end = addr + len;
+
+ for (; addr < end; addr += PAGE_SIZE) {
+ int err = __get_user(c, addr);
+ if (err)
+ return err;
+ }
+
+ return __get_user(c, end - 1);
+}
+
+static int igt_mmap_gtt_revoke(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct drm_i915_gem_object *obj;
+ unsigned long addr;
+ int err;
+
+ obj = i915_gem_object_create_internal(i915, SZ_4M);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ err = create_mmap_offset(obj);
+ if (err)
+ goto out;
+
+ addr = igt_mmap_node(i915, &obj->base.vma_node,
+ 0, PROT_WRITE, MAP_SHARED);
+ if (IS_ERR_VALUE(addr)) {
+ err = addr;
+ goto out;
+ }
+
+ err = prefault_range(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+ GEM_BUG_ON(!atomic_read(&obj->bind_count));
+
+ err = check_present(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+ /*
+ * After unbinding the object from the GGTT, its address may be reused
+ * for other objects. Ergo we have to revoke the previous mmap PTE
+ * access as it no longer points to the same object.
+ */
+ err = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
+ if (err) {
+ pr_err("Failed to unbind object!\n");
+ goto out_unmap;
+ }
+ GEM_BUG_ON(atomic_read(&obj->bind_count));
+
+ err = check_absent(addr, obj->base.size);
+ if (err)
+ goto out_unmap;
+
+out_unmap:
+ vm_munmap(addr, obj->base.size);
+out:
+ i915_gem_object_put(obj);
+ return err;
+}
+
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
@@ -797,6 +903,7 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
SUBTEST(igt_mmap_gtt),
+ SUBTEST(igt_mmap_gtt_revoke),
};
return i915_subtests(tests, i915);
--
2.24.0
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 16+ messages in thread
* Re: [PATCH v2 1/4] drm: Expose a method for creating anonymous struct file around drm_minor
@ 2019-11-06 14:22 ` Daniel Vetter
0 siblings, 0 replies; 16+ messages in thread
From: Daniel Vetter @ 2019-11-06 14:22 UTC (permalink / raw)
To: Chris Wilson; +Cc: Daniel Vetter, intel-gfx, dri-devel
On Wed, Nov 06, 2019 at 01:57:36PM +0000, Chris Wilson wrote:
> Sometimes we need to create a struct file to wrap a drm_device, as it
> the user were to have opened /dev/dri/card0 but to do so anonymously
> (i.e. for internal use). Provide a utility method to create a struct
> file with the drm_device->driver.fops, that wrap the drm_device.
>
> v2: Restrict usage to selftests
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Not fully sold on the name, but then fget/fput/get_file and friends are
all supremely confusing naming already, so meh.
And on 2nd reading the f_mapping is the only thing we need for
unmap_mapping_range, so should be all fine too.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> drivers/gpu/drm/Kconfig | 4 ++++
> drivers/gpu/drm/drm_file.c | 42 ++++++++++++++++++++++++++++++++++++++
> include/drm/drm_file.h | 3 +++
> 3 files changed, 49 insertions(+)
>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 617d9c3a86c3..589d5d693855 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -70,6 +70,10 @@ config DRM_DEBUG_SELFTEST
>
> If in doubt, say "N".
>
> +config DRM_DEBUG_SELFTEST_MODULE
> + bool
> + depends on DRM_DEBUG_SELFTEST
> +
> config DRM_KMS_HELPER
> tristate
> depends on DRM
> diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
> index ea34bc991858..4d9385d1bf2d 100644
> --- a/drivers/gpu/drm/drm_file.c
> +++ b/drivers/gpu/drm/drm_file.c
> @@ -31,7 +31,9 @@
> * OTHER DEALINGS IN THE SOFTWARE.
> */
>
> +#include <linux/anon_inodes.h>
> #include <linux/dma-fence.h>
> +#include <linux/file.h>
> #include <linux/module.h>
> #include <linux/pci.h>
> #include <linux/poll.h>
> @@ -754,3 +756,43 @@ void drm_send_event(struct drm_device *dev, struct drm_pending_event *e)
> spin_unlock_irqrestore(&dev->event_lock, irqflags);
> }
> EXPORT_SYMBOL(drm_send_event);
> +
> +/**
> + * mock_drm_getfile - Create a new struct file for the drm device
> + * @minor: drm minor to wrap (e.g. #drm_device.primary)
> + * @flags: file creation mode (O_RDWR etc)
> + *
> + * This create a new struct file that wraps a DRM file context around a
> + * DRM minor. This mimicks userspace opening e.g. /dev/dri/card0, but without
> + * invoking userspace. The struct file may be operated on using its f_op
> + * (the drm_device.driver.fops) to mimick userspace operations, or be supplied
> + * to userspace facing functions as an internal/anonymous client.
> + *
> + * RETURNS:
> + * Pointer to newly created struct file, ERR_PTR on failure.
> + */
> +struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags)
> +{
> + struct drm_device *dev = minor->dev;
> + struct drm_file *priv;
> + struct file *file;
> +
> + priv = drm_file_alloc(minor);
> + if (IS_ERR(priv))
> + return ERR_CAST(priv);
> +
> + file = anon_inode_getfile("drm", dev->driver->fops, priv, flags);
> + if (IS_ERR(file)) {
> + drm_file_free(priv);
> + return file;
> + }
> +
> + /* Everyone shares a single global address space */
> + file->f_mapping = dev->anon_inode->i_mapping;
> +
> + drm_dev_get(dev);
> + priv->filp = file;
> +
> + return file;
> +}
> +EXPORT_SYMBOL_FOR_TESTS_ONLY(mock_drm_getfile);
> diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
> index 67af60bb527a..8b099b347817 100644
> --- a/include/drm/drm_file.h
> +++ b/include/drm/drm_file.h
> @@ -42,6 +42,7 @@ struct dma_fence;
> struct drm_file;
> struct drm_device;
> struct device;
> +struct file;
>
> /*
> * FIXME: Not sure we want to have drm_minor here in the end, but to avoid
> @@ -387,4 +388,6 @@ void drm_event_cancel_free(struct drm_device *dev,
> void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e);
> void drm_send_event(struct drm_device *dev, struct drm_pending_event *e);
>
> +struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
> +
> #endif /* _DRM_FILE_H_ */
> --
> 2.24.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [Intel-gfx] [PATCH v2 1/4] drm: Expose a method for creating anonymous struct file around drm_minor
@ 2019-11-06 14:22 ` Daniel Vetter
0 siblings, 0 replies; 16+ messages in thread
From: Daniel Vetter @ 2019-11-06 14:22 UTC (permalink / raw)
To: Chris Wilson; +Cc: Daniel Vetter, intel-gfx, dri-devel
On Wed, Nov 06, 2019 at 01:57:36PM +0000, Chris Wilson wrote:
> Sometimes we need to create a struct file to wrap a drm_device, as it
> the user were to have opened /dev/dri/card0 but to do so anonymously
> (i.e. for internal use). Provide a utility method to create a struct
> file with the drm_device->driver.fops, that wrap the drm_device.
>
> v2: Restrict usage to selftests
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Not fully sold on the name, but then fget/fput/get_file and friends are
all supremely confusing naming already, so meh.
And on 2nd reading the f_mapping is the only thing we need for
unmap_mapping_range, so should be all fine too.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> drivers/gpu/drm/Kconfig | 4 ++++
> drivers/gpu/drm/drm_file.c | 42 ++++++++++++++++++++++++++++++++++++++
> include/drm/drm_file.h | 3 +++
> 3 files changed, 49 insertions(+)
>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 617d9c3a86c3..589d5d693855 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -70,6 +70,10 @@ config DRM_DEBUG_SELFTEST
>
> If in doubt, say "N".
>
> +config DRM_DEBUG_SELFTEST_MODULE
> + bool
> + depends on DRM_DEBUG_SELFTEST
> +
> config DRM_KMS_HELPER
> tristate
> depends on DRM
> diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
> index ea34bc991858..4d9385d1bf2d 100644
> --- a/drivers/gpu/drm/drm_file.c
> +++ b/drivers/gpu/drm/drm_file.c
> @@ -31,7 +31,9 @@
> * OTHER DEALINGS IN THE SOFTWARE.
> */
>
> +#include <linux/anon_inodes.h>
> #include <linux/dma-fence.h>
> +#include <linux/file.h>
> #include <linux/module.h>
> #include <linux/pci.h>
> #include <linux/poll.h>
> @@ -754,3 +756,43 @@ void drm_send_event(struct drm_device *dev, struct drm_pending_event *e)
> spin_unlock_irqrestore(&dev->event_lock, irqflags);
> }
> EXPORT_SYMBOL(drm_send_event);
> +
> +/**
> + * mock_drm_getfile - Create a new struct file for the drm device
> + * @minor: drm minor to wrap (e.g. #drm_device.primary)
> + * @flags: file creation mode (O_RDWR etc)
> + *
> + * This create a new struct file that wraps a DRM file context around a
> + * DRM minor. This mimicks userspace opening e.g. /dev/dri/card0, but without
> + * invoking userspace. The struct file may be operated on using its f_op
> + * (the drm_device.driver.fops) to mimick userspace operations, or be supplied
> + * to userspace facing functions as an internal/anonymous client.
> + *
> + * RETURNS:
> + * Pointer to newly created struct file, ERR_PTR on failure.
> + */
> +struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags)
> +{
> + struct drm_device *dev = minor->dev;
> + struct drm_file *priv;
> + struct file *file;
> +
> + priv = drm_file_alloc(minor);
> + if (IS_ERR(priv))
> + return ERR_CAST(priv);
> +
> + file = anon_inode_getfile("drm", dev->driver->fops, priv, flags);
> + if (IS_ERR(file)) {
> + drm_file_free(priv);
> + return file;
> + }
> +
> + /* Everyone shares a single global address space */
> + file->f_mapping = dev->anon_inode->i_mapping;
> +
> + drm_dev_get(dev);
> + priv->filp = file;
> +
> + return file;
> +}
> +EXPORT_SYMBOL_FOR_TESTS_ONLY(mock_drm_getfile);
> diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
> index 67af60bb527a..8b099b347817 100644
> --- a/include/drm/drm_file.h
> +++ b/include/drm/drm_file.h
> @@ -42,6 +42,7 @@ struct dma_fence;
> struct drm_file;
> struct drm_device;
> struct device;
> +struct file;
>
> /*
> * FIXME: Not sure we want to have drm_minor here in the end, but to avoid
> @@ -387,4 +388,6 @@ void drm_event_cancel_free(struct drm_device *dev,
> void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e);
> void drm_send_event(struct drm_device *dev, struct drm_pending_event *e);
>
> +struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
> +
> #endif /* _DRM_FILE_H_ */
> --
> 2.24.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 16+ messages in thread
* ✗ Fi.CI.CHECKPATCH: warning for series starting with [v2,1/4] drm: Expose a method for creating anonymous struct file around drm_minor
@ 2019-11-06 16:54 ` Patchwork
0 siblings, 0 replies; 16+ messages in thread
From: Patchwork @ 2019-11-06 16:54 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: series starting with [v2,1/4] drm: Expose a method for creating anonymous struct file around drm_minor
URL : https://patchwork.freedesktop.org/series/69064/
State : warning
== Summary ==
$ dim checkpatch origin/drm-tip
3a38f9e9be4b drm: Expose a method for creating anonymous struct file around drm_minor
096ea15b052a drm/i915/selftests: Replace mock_file hackery with drm's true fake
6816a5a62c34 drm/i915/selftests: Wrap vm_mmap() around GEM objects
-:41: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'x' - possible side-effects?
#41: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:698:
+#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
-:91: ERROR:SPACING: space required before that '*' (ctx:VxV)
#91: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:748:
+ u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof*(ux)));
^
-:147: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#147:
new file mode 100644
-:152: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#152: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.c:1:
+/*
-:153: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#153: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.c:2:
+ * SPDX-License-Identifier: MIT
-:197: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#197: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.h:1:
+/*
-:198: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#198: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.h:2:
+ * SPDX-License-Identifier: MIT
total: 1 errors, 5 warnings, 1 checks, 180 lines checked
3fc8ead596dc drm/i915/selftests: Verify mmap_gtt revocation on unbinding
-:67: WARNING:LINE_SPACING: Missing a blank line after declarations
#67: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:837:
+ int err = __get_user(c, addr);
+ if (err)
total: 0 errors, 1 warnings, 0 checks, 119 lines checked
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 16+ messages in thread
* [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [v2,1/4] drm: Expose a method for creating anonymous struct file around drm_minor
@ 2019-11-06 16:54 ` Patchwork
0 siblings, 0 replies; 16+ messages in thread
From: Patchwork @ 2019-11-06 16:54 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: series starting with [v2,1/4] drm: Expose a method for creating anonymous struct file around drm_minor
URL : https://patchwork.freedesktop.org/series/69064/
State : warning
== Summary ==
$ dim checkpatch origin/drm-tip
3a38f9e9be4b drm: Expose a method for creating anonymous struct file around drm_minor
096ea15b052a drm/i915/selftests: Replace mock_file hackery with drm's true fake
6816a5a62c34 drm/i915/selftests: Wrap vm_mmap() around GEM objects
-:41: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'x' - possible side-effects?
#41: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:698:
+#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
-:91: ERROR:SPACING: space required before that '*' (ctx:VxV)
#91: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:748:
+ u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof*(ux)));
^
-:147: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#147:
new file mode 100644
-:152: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#152: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.c:1:
+/*
-:153: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#153: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.c:2:
+ * SPDX-License-Identifier: MIT
-:197: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#197: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.h:1:
+/*
-:198: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#198: FILE: drivers/gpu/drm/i915/selftests/igt_mmap.h:2:
+ * SPDX-License-Identifier: MIT
total: 1 errors, 5 warnings, 1 checks, 180 lines checked
3fc8ead596dc drm/i915/selftests: Verify mmap_gtt revocation on unbinding
-:67: WARNING:LINE_SPACING: Missing a blank line after declarations
#67: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:837:
+ int err = __get_user(c, addr);
+ if (err)
total: 0 errors, 1 warnings, 0 checks, 119 lines checked
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^ permalink raw reply [flat|nested] 16+ messages in thread
* ✗ Fi.CI.BAT: failure for series starting with [v2,1/4] drm: Expose a method for creating anonymous struct file around drm_minor
@ 2019-11-06 17:16 ` Patchwork
0 siblings, 0 replies; 16+ messages in thread
From: Patchwork @ 2019-11-06 17:16 UTC (permalink / raw)
To: Chris Wilson; +Cc: intel-gfx
== Series Details ==
Series: series starting with [v2,1/4] drm: Expose a method for creating anonymous struct file around drm_minor
URL : https://patchwork.freedesktop.org/series/69064/
State : failure
== Summary ==
CI Bug Log - changes from CI_DRM_7270 -> Patchwork_15154
====================================================
Summary
-------
**FAILURE**
Serious unknown changes coming with Patchwork_15154 absolutely need to be
verified manually.
If you think the reported changes have nothing to do with the changes
introduced in Patchwork_15154, please notify your bug team to allow them
to document this new failure mode, which will reduce false positives in CI.
External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15154/index.html
Possible new issues
-------------------
Here are the unknown changes that may have been introduced in Patchwork_15154:
### IGT changes ###
#### Possible regressions ####
* igt@i915_selftest@live_mman:
- fi-skl-lmem: [PASS][1] -> [INCOMPLETE][2]
[1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7270/fi-skl-lmem/igt@i915_selftest@live_mman.html
[2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15154/fi-skl-lmem/igt@i915_selftest@live_mman.html
#### Suppressed ####
The following results come from untrusted machines, tests, or statuses.
They do not affect the overall result.
* igt@i915_selftest@live_execlists:
- {fi-icl-dsi}: [PASS][3] -> [DMESG-FAIL][4]
[3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7270/fi-icl-dsi/igt@i915_selftest@live_execlists.html
[4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15154/fi-icl-dsi/igt@i915_selftest@live_execlists.html
Known issues
------------
Here are the changes found in Patchwork_15154 that come from known issues:
### IGT changes ###
#### Issues hit ####
* igt@i915_selftest@live_gem_contexts:
- fi-cfl-guc: [PASS][5] -> [INCOMPLETE][6] ([fdo#106070] / [fdo#111700])
[5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7270/fi-cfl-guc/igt@i915_selftest@live_gem_contexts.html
[6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15154/fi-cfl-guc/igt@i915_selftest@live_gem_contexts.html
{name}: This element is suppressed. This means it is ignored when computing
the status of the difference (SUCCESS, WARNING, or FAILURE).
[fdo#106070]: https://bugs.freedesktop.org/show_bug.cgi?id=106070
[fdo#111700]: https://bugs.freedesktop.org/show_bug.cgi?id=111700
Participating hosts (51 -> 44)
------------------------------
Missing (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus
Build changes
-------------
* CI: CI-20190529 -> None
* Linux: CI_DRM_7270 -> Patchwork_15154
CI-20190529: 20190529
CI_DRM_7270: 8d83f3978cb2413ffceb2b8a9c1d507484d7ff08 @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_5264: f21213012393bd8041ad93084ce29da088ef8426 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_15154: 3fc8ead596dcfe9557195622cad63a862f62866a @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
3fc8ead596dc drm/i915/selftests: Verify mmap_gtt revocation on unbinding
6816a5a62c34 drm/i915/selftests: Wrap vm_mmap() around GEM objects
096ea15b052a drm/i915/selftests: Replace mock_file hackery with drm's true fake
3a38f9e9be4b drm: Expose a method for creating anonymous struct file around drm_minor
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15154/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 16+ messages in thread