1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright(c) 2020, Intel Corporation. All rights reserved.
4 */
5
6#ifndef __INTEL_PXP_FW_INTERFACE_42_H__
7#define __INTEL_PXP_FW_INTERFACE_42_H__
8
9#include <linux/types.h>
10#include "intel_pxp_cmd_interface_cmn.h"
11
12/* PXP-Opcode for Init Session */
13#define PXP42_CMDID_INIT_SESSION 0x1e
14
15/* PXP-Opcode for Invalidate Stream Key */
16#define PXP42_CMDID_INVALIDATE_STREAM_KEY 0x00000007
17
18/* PXP-Input-Packet: Init Session (Arb-Session) */
19struct pxp42_create_arb_in {
20 struct pxp_cmd_header header;
21 u32 protection_mode;
22#define PXP42_ARB_SESSION_MODE_HEAVY 0x2
23 u32 session_id;
24} __packed;
25
26/* PXP-Output-Packet: Init Session */
27struct pxp42_create_arb_out {
28 struct pxp_cmd_header header;
29} __packed;
30
31/* PXP-Input-Packet: Invalidate Stream Key */
32struct pxp42_inv_stream_key_in {
33 struct pxp_cmd_header header;
34 u32 rsvd[3];
35} __packed;
36
37/* PXP-Output-Packet: Invalidate Stream Key */
38struct pxp42_inv_stream_key_out {
39 struct pxp_cmd_header header;
40 u32 rsvd;
41} __packed;
42
43#endif /* __INTEL_PXP_FW_INTERFACE_42_H__ */
44

source code of linux/drivers/gpu/drm/i915/pxp/intel_pxp_cmd_interface_42.h