/* SPDX-License-Identifier: MIT */ /* * Copyright © 2023 Intel Corporation */ #ifndef _ABI_GSC_PXP_COMMANDS_ABI_H #define _ABI_GSC_PXP_COMMANDS_ABI_H #include <linux/types.h> /* Heci client ID for PXP commands */ #define HECI_MEADDRESS_PXP 17 #define PXP_APIVER(x, y) (((x) & 0xFFFF) << 16 | ((y) & 0xFFFF)) /* * there are a lot of status codes for PXP, but we only define the cross-API * common ones that we actually can handle in the kernel driver. Other failure * codes should be printed to error msg for debug. */ enum pxp_status { PXP_STATUS_SUCCESS = 0x0, PXP_STATUS_ERROR_API_VERSION = 0x1002, PXP_STATUS_NOT_READY = 0x100e, PXP_STATUS_PLATFCONFIG_KF1_NOVERIF = 0x101a, PXP_STATUS_PLATFCONFIG_KF1_BAD = 0x101f, PXP_STATUS_OP_NOT_PERMITTED = 0x4013 }; /* Common PXP FW message header */ struct pxp_cmd_header { u32 api_version; u32 command_id; union { u32 status; /* out */ u32 stream_id; /* in */ #define PXP_CMDHDR_EXTDATA_SESSION_VALID GENMASK(0, 0) #define PXP_CMDHDR_EXTDATA_APP_TYPE GENMASK(1, 1) #define PXP_CMDHDR_EXTDATA_SESSION_ID GENMASK(17, 2) }; /* Length of the message (excluding the header) */ u32 buffer_len; } __packed; #define PXP43_CMDID_NEW_HUC_AUTH 0x0000003F /* MTL+ */ /* PXP-Input-Packet: HUC Auth-only */ struct pxp43_new_huc_auth_in { struct pxp_cmd_header header; u64 huc_base_address; u32 huc_size; } __packed; /* PXP-Output-Packet: HUC Load and Authentication or Auth-only */ struct pxp43_huc_auth_out { struct pxp_cmd_header header; } __packed; #endif