blob: 7c014acdd69c48855a619a98a00aae45b53384ae (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* AMD Platform Security Processor (PSP) interface driver
*
* Copyright (C) 2017-2019 Advanced Micro Devices, Inc.
*
* Author: Brijesh Singh <brijesh.singh@amd.com>
*/
#ifndef __PSP_DEV_H__
#define __PSP_DEV_H__
#include <linux/device.h>
#include <linux/list.h>
#include <linux/bits.h>
#include <linux/interrupt.h>
#include "sp-dev.h"
#define PSP_CMDRESP_RESP BIT(31)
#define PSP_CMDRESP_ERR_MASK 0xffff
#define MAX_PSP_NAME_LEN 16
extern struct psp_device *psp_master;
typedef void (*psp_irq_handler_t)(int, void *, unsigned int);
struct psp_device {
struct list_head entry;
struct psp_vdata *vdata;
char name[MAX_PSP_NAME_LEN];
struct device *dev;
struct sp_device *sp;
void __iomem *io_regs;
psp_irq_handler_t sev_irq_handler;
void *sev_irq_data;
void *sev_data;
};
void psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
void *data);
void psp_clear_sev_irq_handler(struct psp_device *psp);
struct psp_device *psp_get_master_device(void);
#endif /* __PSP_DEV_H */
|
