From: "Huang, Ray" <Ray.Huang-5C7GfCeVMHo@public.gmane.org>
To: "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
<amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
"dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
"Deucher,
Alexander" <Alexander.Deucher-5C7GfCeVMHo@public.gmane.org>
Cc: "Tuikov, Luben" <Luben.Tuikov-5C7GfCeVMHo@public.gmane.org>,
"Koenig,
Christian" <Christian.Koenig-5C7GfCeVMHo@public.gmane.org>,
"Liu, Aaron" <Aaron.Liu-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH v2 03/11] drm/amdgpu: define the TMZ bit for the PTE
Date: Wed, 25 Sep 2019 13:45:18 +0000 [thread overview]
Message-ID: <1569419090-5304-4-git-send-email-ray.huang@amd.com> (raw)
In-Reply-To: <1569419090-5304-1-git-send-email-ray.huang-5C7GfCeVMHo@public.gmane.org>
From: Alex Deucher <alexander.deucher@amd.com>
Define the TMZ (encryption) bit in the page table entry (PTE) for
Raven and newer asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 3352a87..4b5d283 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -53,6 +53,9 @@ struct amdgpu_bo_list_entry;
#define AMDGPU_PTE_SYSTEM (1ULL << 1)
#define AMDGPU_PTE_SNOOPED (1ULL << 2)
+/* RV+ */
+#define AMDGPU_PTE_TMZ (1ULL << 3)
+
/* VI only */
#define AMDGPU_PTE_EXECUTABLE (1ULL << 4)
--
2.7.4
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next prev parent reply other threads:[~2019-09-25 13:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 13:45 [PATCH v2 00/11] drm/amdgpu: introduce secure buffer object support (trusted memory zone) Huang, Ray
[not found] ` <1569419090-5304-1-git-send-email-ray.huang-5C7GfCeVMHo@public.gmane.org>
2019-09-25 13:45 ` [PATCH v2 01/11] drm/amdgpu: add UAPI for creating encrypted buffers Huang, Ray
2019-09-25 13:45 ` Huang, Ray [this message]
2019-09-25 13:45 ` [PATCH v2 04/11] drm/amdgpu: add tmz feature parameter (v2) Huang, Ray
2019-09-25 13:45 ` [PATCH v2 05/11] drm/amdgpu: add amdgpu_tmz data structure Huang, Ray
2019-09-25 13:45 ` [PATCH v2 06/11] drm/amdgpu: add function to check tmz capability (v4) Huang, Ray
2019-09-25 13:45 ` [PATCH v2 07/11] drm/amdgpu: add tmz bit in frame control packet Huang, Ray
2019-09-25 13:45 ` [PATCH v2 09/11] drm/amdgpu: expand the context control interface with trust flag Huang, Ray
2019-09-25 13:45 ` [PATCH v2 10/11] drm/amdgpu: job is secure iff CS is secure (v3) Huang, Ray
[not found] ` <1569419090-5304-11-git-send-email-ray.huang-5C7GfCeVMHo@public.gmane.org>
2019-09-25 13:56 ` Koenig, Christian
2019-09-25 13:45 ` [PATCH v2 02/11] drm/amdgpu: add UAPI to create secure commands (v3) Huang, Ray
2019-09-25 13:45 ` [PATCH v2 08/11] drm/amdgpu: expand the emit tmz interface with trusted flag Huang, Ray
2019-09-25 13:45 ` [PATCH v2 11/11] drm/amdgpu: set TMZ bits in PTEs for secure BO (v4) Huang, Ray
[not found] ` <1569419090-5304-12-git-send-email-ray.huang-5C7GfCeVMHo@public.gmane.org>
2019-09-25 13:59 ` Koenig, Christian
[not found] ` <507b6359-897a-20a1-2fff-28634858f464-5C7GfCeVMHo@public.gmane.org>
2019-09-25 16:01 ` Alex Deucher
2019-09-26 7:21 ` Christian König
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