LXR linux/drivers/crypto/ccp/psp-dev.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * AMD Platform Security Processor (PSP) interface driver
   4 *
   5 * Copyright (C) 2017-2019 Advanced Micro Devices, Inc.
   6 *
   7 * Author: Brijesh Singh <brijesh.singh@amd.com>
   8 */
   9
  10#ifndef __PSP_DEV_H__
  11#define __PSP_DEV_H__
  12
  13#include <linux/device.h>
  14#include <linux/list.h>
  15#include <linux/bits.h>
  16#include <linux/interrupt.h>
  17
  18#include "sp-dev.h"
  19
  20#define PSP_CMDRESP_RESP                BIT(31)
  21#define PSP_CMDRESP_ERR_MASK            0xffff
  22
  23#define MAX_PSP_NAME_LEN                16
  24
  25extern struct psp_device *psp_master;
  26
  27typedef void (*psp_irq_handler_t)(int, void *, unsigned int);
  28
  29struct psp_device {
  30        struct list_head entry;
  31
  32        struct psp_vdata *vdata;
  33        char name[MAX_PSP_NAME_LEN];
  34
  35        struct device *dev;
  36        struct sp_device *sp;
  37
  38        void __iomem *io_regs;
  39
  40        psp_irq_handler_t sev_irq_handler;
  41        void *sev_irq_data;
  42
  43        psp_irq_handler_t tee_irq_handler;
  44        void *tee_irq_data;
  45
  46        void *sev_data;
  47        void *tee_data;
  48};
  49
  50void psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
  51                             void *data);
  52void psp_clear_sev_irq_handler(struct psp_device *psp);
  53
  54void psp_set_tee_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
  55                             void *data);
  56void psp_clear_tee_irq_handler(struct psp_device *psp);
  57
  58struct psp_device *psp_get_master_device(void);
  59
  60#endif /* __PSP_DEV_H */
  61