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drm/amdgpu: Add flag to wipe VRAM on release

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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@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2019-07-08 20:09:21 -04:00 committed by Alex Deucher
parent 274840e544
commit d8f4981e2e
1 changed files with 4 additions and 0 deletions
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4
include/uapi/drm/amdgpu_drm.h
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@ -128,6 +128,10 @@ 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 */