1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright(c) 2022, Intel Corporation. All rights reserved.
4  */
5 
6 #ifndef __INTEL_PXP_FW_INTERFACE_43_H__
7 #define __INTEL_PXP_FW_INTERFACE_43_H__
8 
9 #include <linux/types.h>
10 #include "intel_pxp_cmd_interface_cmn.h"
11 
12 /* PXP-Cmd-Op definitions */
13 #define PXP43_CMDID_START_HUC_AUTH 0x0000003A
14 #define PXP43_CMDID_NEW_HUC_AUTH 0x0000003F /* MTL+ */
15 #define PXP43_CMDID_INIT_SESSION 0x00000036
16 
17 /* PXP-Packet sizes for MTL's GSCCS-HECI instruction */
18 #define PXP43_MAX_HECI_INOUT_SIZE (SZ_32K)
19 
20 /* PXP-Packet size for MTL's NEW_HUC_AUTH instruction */
21 #define PXP43_HUC_AUTH_INOUT_SIZE (SZ_4K)
22 
23 /* PXP-Input-Packet: HUC Load and Authentication */
24 struct pxp43_start_huc_auth_in {
25 	struct pxp_cmd_header header;
26 	__le64 huc_base_address;
27 } __packed;
28 
29 /* PXP-Input-Packet: HUC Auth-only */
30 struct pxp43_new_huc_auth_in {
31 	struct pxp_cmd_header header;
32 	u64 huc_base_address;
33 	u32 huc_size;
34 } __packed;
35 
36 /* PXP-Output-Packet: HUC Load and Authentication or Auth-only */
37 struct pxp43_huc_auth_out {
38 	struct pxp_cmd_header header;
39 } __packed;
40 
41 /* PXP-Input-Packet: Init PXP session */
42 struct pxp43_create_arb_in {
43 	struct pxp_cmd_header header;
44 		/* header.stream_id fields for vesion 4.3 of Init PXP session: */
45 		#define PXP43_INIT_SESSION_VALID BIT(0)
46 		#define PXP43_INIT_SESSION_APPTYPE BIT(1)
47 		#define PXP43_INIT_SESSION_APPID GENMASK(17, 2)
48 	u32 protection_mode;
49 		#define PXP43_INIT_SESSION_PROTECTION_ARB 0x2
50 	u32 sub_session_id;
51 	u32 init_flags;
52 	u32 rsvd[12];
53 } __packed;
54 
55 /* PXP-Input-Packet: Init PXP session */
56 struct pxp43_create_arb_out {
57 	struct pxp_cmd_header header;
58 	u32 rsvd[8];
59 } __packed;
60 
61 #endif /* __INTEL_PXP_FW_INTERFACE_43_H__ */
62