/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2023 Intel Corporation
 */

#ifndef _ABI_GSC_PROXY_COMMANDS_ABI_H
#define _ABI_GSC_PROXY_COMMANDS_ABI_H

#include <linux/types.h>

/* Heci client ID for proxy commands */
#define HECI_MEADDRESS_PROXY 10

/* FW-defined proxy header */
struct xe_gsc_proxy_header {
        /*
         * hdr:
         * Bits 0-7: type of the proxy message (see enum xe_gsc_proxy_type)
         * Bits 8-15: rsvd
         * Bits 16-31: length in bytes of the payload following the proxy header
         */
        u32 hdr;
#define GSC_PROXY_TYPE           GENMASK(7, 0)
#define GSC_PROXY_PAYLOAD_LENGTH GENMASK(31, 16)

        u32 source;             /* Source of the Proxy message */
        u32 destination;        /* Destination of the Proxy message */
#define GSC_PROXY_ADDRESSING_KMD  0x10000
#define GSC_PROXY_ADDRESSING_GSC  0x20000
#define GSC_PROXY_ADDRESSING_CSME 0x30000

        u32 status;             /* Command status */
} __packed;

/* FW-defined proxy types */
enum xe_gsc_proxy_type {
        GSC_PROXY_MSG_TYPE_PROXY_INVALID = 0,
        GSC_PROXY_MSG_TYPE_PROXY_QUERY = 1,
        GSC_PROXY_MSG_TYPE_PROXY_PAYLOAD = 2,
        GSC_PROXY_MSG_TYPE_PROXY_END = 3,
        GSC_PROXY_MSG_TYPE_PROXY_NOTIFICATION = 4,
};

#endif