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 is spec'd at 65K before page alignment*/ |
18 | #define PXP43_MAX_HECI_INOUT_SIZE (PAGE_ALIGN(SZ_64K + SZ_1K)) |
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 ; |
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 ; |
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 ; |
39 | } __packed; |
40 | |
41 | /* PXP-Input-Packet: Init PXP session */ |
42 | struct pxp43_create_arb_in { |
43 | struct pxp_cmd_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 ; |
58 | u32 rsvd[8]; |
59 | } __packed; |
60 | |
61 | #endif /* __INTEL_PXP_FW_INTERFACE_43_H__ */ |
62 | |