Contributors: 7
Author Tokens Token Proportion Commits Commit Proportion
James Morse 118 71.08% 3 30.00%
D Scott Phillips 25 15.06% 1 10.00%
Catalin Marinas 12 7.23% 1 10.00%
Mark Rutland 6 3.61% 2 20.00%
Thomas Huth 2 1.20% 1 10.00%
Kefeng Wang 2 1.20% 1 10.00%
Nishad Kamdar 1 0.60% 1 10.00%
Total 166 10 


/* 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 __ASSEMBLER__

#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 /* __ASSEMBLER__ */
#endif	/* __ASM_SDEI_H */