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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright(c) 2022, Intel Corporation. All rights reserved.4 */5 6#ifndef __INTEL_PXP_FW_INTERFACE_CMN_H__7#define __INTEL_PXP_FW_INTERFACE_CMN_H__8 9#include <linux/types.h>10 11#define PXP_APIVER(x, y) (((x) & 0xFFFF) << 16 | ((y) & 0xFFFF))12 13/*14 * there are a lot of status codes for PXP, but we only define the cross-API15 * common ones that we actually can handle in the kernel driver. Other failure16 * codes should be printed to error msg for debug.17 */18enum pxp_status {19 PXP_STATUS_SUCCESS = 0x0,20 PXP_STATUS_ERROR_API_VERSION = 0x1002,21 PXP_STATUS_NOT_READY = 0x100e,22 PXP_STATUS_PLATFCONFIG_KF1_NOVERIF = 0x101a,23 PXP_STATUS_PLATFCONFIG_KF1_BAD = 0x101f,24 PXP_STATUS_OP_NOT_PERMITTED = 0x401325};26 27/* Common PXP FW message header */28struct pxp_cmd_header {29 u32 api_version;30 u32 command_id;31 union {32 u32 status; /* out */33 u32 stream_id; /* in */34#define PXP_CMDHDR_EXTDATA_SESSION_VALID GENMASK(0, 0)35#define PXP_CMDHDR_EXTDATA_APP_TYPE GENMASK(1, 1)36#define PXP_CMDHDR_EXTDATA_SESSION_ID GENMASK(17, 2)37 };38 /* Length of the message (excluding the header) */39 u32 buffer_len;40} __packed;41 42#endif /* __INTEL_PXP_FW_INTERFACE_CMN_H__ */43