From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm64/include/asm/sdei.h | 53 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 arch/arm64/include/asm/sdei.h (limited to 'arch/arm64/include/asm/sdei.h') diff --git a/arch/arm64/include/asm/sdei.h b/arch/arm64/include/asm/sdei.h new file mode 100644 index 000000000..484cb6972 --- /dev/null +++ b/arch/arm64/include/asm/sdei.h @@ -0,0 +1,53 @@ +/* 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 +#include +#include + +#include + +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 */ -- cgit v1.2.3