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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* AMD Platform Security Processor (PSP) Dynamic Boost Control support
*
* Copyright (C) 2023 Advanced Micro Devices, Inc.
*
* Author: Mario Limonciello <mario.limonciello@amd.com>
*/
#ifndef __DBC_H__
#define __DBC_H__
#include <uapi/linux/psp-dbc.h>
#include <linux/device.h>
#include <linux/miscdevice.h>
#include <linux/psp-platform-access.h>
#include "psp-dev.h"
struct psp_dbc_device {
struct device *dev;
union dbc_buffer *mbox;
struct mutex ioctl_mutex;
struct miscdevice char_dev;
};
struct dbc_nonce {
struct psp_req_buffer_hdr header;
struct dbc_user_nonce user;
} __packed;
struct dbc_set_uid {
struct psp_req_buffer_hdr header;
struct dbc_user_setuid user;
} __packed;
struct dbc_param {
struct psp_req_buffer_hdr header;
struct dbc_user_param user;
} __packed;
union dbc_buffer {
struct psp_request req;
struct dbc_nonce dbc_nonce;
struct dbc_set_uid dbc_set_uid;
struct dbc_param dbc_param;
};
void dbc_dev_destroy(struct psp_device *psp);
int dbc_dev_init(struct psp_device *psp);
#endif /* __DBC_H */
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