[PATCH 1/5] drm/amdgpu: Add flag to wipe VRAM on release
Kuehling, Felix
Felix.Kuehling at amd.com
Wed Jul 10 03:59:08 UTC 2019
This memory allocation flag will be used to indicate BOs containing
sensitive data that should not be leaked to other processes.
Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
include/uapi/drm/amdgpu_drm.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 61870478bc9c..dc3428b325ae 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -131,6 +131,10 @@ extern "C" {
* for the second page onward should be set to NC.
*/
#define AMDGPU_GEM_CREATE_MQD_GFX9 (1 << 8)
+/* Flag that BO may contain sensitive data that must be wiped before
+ * releasing the memory
+ */
+#define AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE (1 << 9)
struct drm_amdgpu_gem_create_in {
/** the requested memory size */
--
2.17.1
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