From d8f4981e2e8a968411105db568f3d48256b2ebbc Mon Sep 17 00:00:00 2001
From: Felix Kuehling <Felix.Kuehling@amd.com>
Date: Mon, 8 Jul 2019 20:09:21 -0400
Subject: drm/amdgpu: Add flag to wipe VRAM on release
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Git-commit: d8f4981e2e8a968411105db568f3d48256b2ebbc
Patch-mainline: v5.4-rc1
References: bsc#1152489
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>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
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 11cc57322962..c99b4f2482c6 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -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 */
--
2.28.0