1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_tee_interface.h b/drivers/gpu/drm/i915/pxp/intel_pxp_tee_interface.h
new file mode 100644
index 000000000000..36e9b0868f5c
--- /dev/null
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_tee_interface.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright(c) 2020, Intel Corporation. All rights reserved.
+ */
+
+#ifndef __INTEL_PXP_TEE_INTERFACE_H__
+#define __INTEL_PXP_TEE_INTERFACE_H__
+
+#include <linux/types.h>
+
+#define PXP_TEE_APIVER 0x40002
+#define PXP_TEE_ARB_CMDID 0x1e
+#define PXP_TEE_ARB_PROTECTION_MODE 0x2
+
+/* PXP TEE message header */
+struct pxp_tee_cmd_header {
+	u32 api_version;
+	u32 command_id;
+	u32 status;
+	/* Length of the message (excluding the header) */
+	u32 buffer_len;
+} __packed;
+
+/* PXP TEE message input to create a arbitrary session */
+struct pxp_tee_create_arb_in {
+	struct pxp_tee_cmd_header header;
+	u32 protection_mode;
+	u32 session_id;
+} __packed;
+
+/* PXP TEE message output to create a arbitrary session */
+struct pxp_tee_create_arb_out {
+	struct pxp_tee_cmd_header header;
+} __packed;
+
+#endif /* __INTEL_PXP_TEE_INTERFACE_H__ */