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[05/14] drm/amdgpu: add amdgpu_tmz data structure

Message ID 1568202584-14471-6-git-send-email-ray.huang@amd.com (mailing list archive)
State New, archived
Headers show
Series drm/amdgpu: introduce secure buffer object support (trusted memory zone) | expand

Commit Message

Huang Rui Sept. 11, 2019, 11:50 a.m. UTC 
This patch to add amdgpu_tmz structure which stores all tmz related fields.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     |  6 +++++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h | 36 +++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h
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Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 930643c..697e8e5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -89,6 +89,7 @@ 
 #include "amdgpu_mes.h"
 #include "amdgpu_umc.h"
 #include "amdgpu_mmhub.h"
+#include "amdgpu_tmz.h"
 
 #define MAX_GPU_INSTANCE		16
 
@@ -916,6 +917,9 @@  struct amdgpu_device {
 	bool                            enable_mes;
 	struct amdgpu_mes               mes;
 
+	/* tmz */
+	struct amdgpu_tmz		tmz;
+
 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
 	int				num_ip_blocks;
 	struct mutex	mn_lock;
@@ -927,7 +931,7 @@  struct amdgpu_device {
 	atomic64_t gart_pin_size;
 
 	/* soc15 register offset based on ip, instance and  segment */
-	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
+	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
 
 	const struct amdgpu_df_funcs	*df_funcs;
 	const struct amdgpu_mmhub_funcs	*mmhub_funcs;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h
new file mode 100644
index 0000000..24bbbc2
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_tmz.h
@@ -0,0 +1,36 @@ 
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __AMDGPU_TMZ_H__
+#define __AMDGPU_TMZ_H__
+
+#include "amdgpu.h"
+
+/*
+ * Trust memory zone stuff
+ */
+struct amdgpu_tmz {
+	bool	enabled;
+};
+
+#endif