blob: 484cb6972e99a332e21c1671212b9b7499d73f99 (
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
53
|
/* SPDX-License-Identifier: GPL-2.0 */
// Copyright (C) 2017 Arm Ltd.
#ifndef __ASM_SDEI_H
#define __ASM_SDEI_H
/* Values for sdei_exit_mode */
#define SDEI_EXIT_HVC 0
#define SDEI_EXIT_SMC 1
#define SDEI_STACK_SIZE IRQ_STACK_SIZE
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
#include <linux/preempt.h>
#include <linux/types.h>
#include <asm/virt.h>
DECLARE_PER_CPU(struct sdei_registered_event *, sdei_active_normal_event);
DECLARE_PER_CPU(struct sdei_registered_event *, sdei_active_critical_event);
extern unsigned long sdei_exit_mode;
/* Software Delegated Exception entry point from firmware*/
asmlinkage void __sdei_asm_handler(unsigned long event_num, unsigned long arg,
unsigned long pc, unsigned long pstate);
/* and its CONFIG_UNMAP_KERNEL_AT_EL0 trampoline */
asmlinkage void __sdei_asm_entry_trampoline(unsigned long event_num,
unsigned long arg,
unsigned long pc,
unsigned long pstate);
/* Abort a running handler. Context is discarded. */
void __sdei_handler_abort(void);
/*
* The above entry point does the minimum to call C code. This function does
* anything else, before calling the driver.
*/
struct sdei_registered_event;
asmlinkage unsigned long __sdei_handler(struct pt_regs *regs,
struct sdei_registered_event *arg);
unsigned long do_sdei_event(struct pt_regs *regs,
struct sdei_registered_event *arg);
unsigned long sdei_arch_get_entry_point(int conduit);
#define sdei_arch_get_entry_point(x) sdei_arch_get_entry_point(x)
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SDEI_H */
|
