diff options
Diffstat (limited to 'arch/arm64/include/asm/sdei.h')
| -rw-r--r-- | arch/arm64/include/asm/sdei.h | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/arch/arm64/include/asm/sdei.h b/arch/arm64/include/asm/sdei.h index ffe47d766c25..b2248bd3cb58 100644 --- a/arch/arm64/include/asm/sdei.h +++ b/arch/arm64/include/asm/sdei.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +/* SPDX-License-Identifier: GPL-2.0 */ // Copyright (C) 2017 Arm Ltd. #ifndef __ASM_SDEI_H #define __ASM_SDEI_H @@ -9,7 +9,7 @@ #define SDEI_STACK_SIZE IRQ_STACK_SIZE -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/linkage.h> #include <linux/preempt.h> @@ -17,6 +17,9 @@ #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*/ @@ -29,6 +32,9 @@ asmlinkage void __sdei_asm_entry_trampoline(unsigned long event_num, 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. @@ -37,24 +43,11 @@ 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) -struct stack_info; - -bool _on_sdei_stack(unsigned long sp, struct stack_info *info); -static inline bool on_sdei_stack(unsigned long sp, - struct stack_info *info) -{ - if (!IS_ENABLED(CONFIG_VMAP_STACK)) - return false; - if (!IS_ENABLED(CONFIG_ARM_SDE_INTERFACE)) - return false; - if (in_nmi()) - return _on_sdei_stack(sp, info); - - return false; -} - -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __ASM_SDEI_H */ |