drivers/crypto/ccp/platform-access.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * AMD Platform Security Processor (PSP) Platform Access interface
   4  *
   5  * Copyright (C) 2023 Advanced Micro Devices, Inc.
   6  *
   7  * Author: Mario Limonciello <mario.limonciello@amd.com>
   8  */
   9
  10 #ifndef __PSP_PLATFORM_ACCESS_H__
  11 #define __PSP_PLATFORM_ACCESS_H__
  12
  13 #include <linux/device.h>
  14 #include <linux/miscdevice.h>
  15 #include <linux/mutex.h>
  16 #include <linux/psp-platform-access.h>
  17
  18 #include "psp-dev.h"
  19
  20 struct psp_platform_access_device {
  21         struct device *dev;
  22         struct psp_device *psp;
  23
  24         struct platform_access_vdata *vdata;
  25
  26         struct mutex mailbox_mutex;
  27         struct mutex doorbell_mutex;
  28
  29         void *platform_access_data;
  30 };
  31
  32 void platform_access_dev_destroy(struct psp_device *psp);
  33 int platform_access_dev_init(struct psp_device *psp);
  34
  35 #endif /* __PSP_PLATFORM_ACCESS_H__ */