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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Intel Speed Select Interface: OS to hardware Interface
* Copyright (c) 2019, Intel Corporation.
* All rights reserved.
*
* Author: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
*/
#ifndef __ISST_IF_H
#define __ISST_IF_H
#include <linux/types.h>
/**
* struct isst_if_platform_info - Define platform information
* @api_version: Version of the firmware document, which this driver
* can communicate
* @driver_version: Driver version, which will help user to send right
* commands. Even if the firmware is capable, driver may
* not be ready
* @max_cmds_per_ioctl: Returns the maximum number of commands driver will
* accept in a single ioctl
* @mbox_supported: Support of mail box interface
* @mmio_supported: Support of mmio interface for core-power feature
*
* Used to return output of IOCTL ISST_IF_GET_PLATFORM_INFO. This
* information can be used by the user space, to get the driver, firmware
* support and also number of commands to send in a single IOCTL request.
*/
struct isst_if_platform_info {
__u16 api_version;
__u16 driver_version;
__u16 max_cmds_per_ioctl;
__u8 mbox_supported;
__u8 mmio_supported;
};
#define ISST_IF_MAGIC 0xFE
#define ISST_IF_GET_PLATFORM_INFO _IOR(ISST_IF_MAGIC, 0, struct isst_if_platform_info *)
#endif
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