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From 0dc3d43ed7e0ec05f2fcda64d9b7ffeb53aa6024 Mon Sep 17 00:00:00 2001
From: Felix Kuehling <Felix.Kuehling@amd.com>
Date: Mon, 8 Jul 2019 20:09:21 -0400
Subject: [PATCH 3229/4256] drm/amdgpu: Add flag to wipe VRAM on release
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
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 66b00e41fbcd..6944be414ee0 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -142,6 +142,10 @@ 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)
/* hybrid specific */
/* Flag that the memory allocation should be from top of domain */
--
2.17.1
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