| Message ID | 20190719220140.18968-1-Felix.Kuehling@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/4] drm/amdgpu: Add flag to wipe VRAM on release | expand |
Am 20.07.19 um 00:02 schrieb Kuehling, Felix: > This memory allocation flag will be used to indicate BOs containing > sensitive data that should not be leaked to other processes. Just a nit pick, but I would reorder the series and make patch #3 the first and #2 the last one. Just to have a clean order between adding the callback to the TTM code, implementing the new flag and using it as last step. Apart from that the series is Reviewed-by: Christian König <christian.koenig@amd.com>. Regards, Christian. > > Signed-off-by: Felix Kuehling <Felix.Kuehling@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 d49571dab2a1..ca97b6802275 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 */
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index d49571dab2a1..ca97b6802275 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 */
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> --- include/uapi/drm/amdgpu_drm.h | 4 ++++ 1 file changed, 4 insertions(+)