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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* AMD Platform Security Processor (PSP) Seamless Firmware (SFS) Support.
*
* Copyright (C) 2025 Advanced Micro Devices, Inc.
*
* Author: Ashish Kalra <ashish.kalra@amd.com>
*/
#ifndef __SFS_H__
#define __SFS_H__
#include <uapi/linux/psp-sfs.h>
#include <linux/device.h>
#include <linux/miscdevice.h>
#include <linux/psp-sev.h>
#include <linux/psp-platform-access.h>
#include <linux/set_memory.h>
#include "psp-dev.h"
struct sfs_misc_dev {
struct kref refcount;
struct miscdevice misc;
};
struct sfs_command {
struct psp_ext_req_buffer_hdr hdr;
u8 buf[PAGE_SIZE - sizeof(struct psp_ext_req_buffer_hdr)];
u8 sfs_buffer[];
} __packed;
struct sfs_device {
struct device *dev;
struct psp_device *psp;
struct page *page;
struct sfs_command *command_buf;
struct sfs_misc_dev *misc;
};
void sfs_dev_destroy(struct psp_device *psp);
int sfs_dev_init(struct psp_device *psp);
#endif /* __SFS_H__ */
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