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 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