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621f48e40e
Currently external aborts are unsupported by the guest abort handling. Add handling for SEAs so that the host kernel reports SEAs which occur in the guest kernel. When an SEA occurs in the guest kernel, the guest exits and is routed to kvm_handle_guest_abort(). Prior to this patch, a print message of an unsupported FSC would be printed and nothing else would happen. With this patch, the code gets routed to the APEI handling of SEAs in the host kernel to report the SEA information. Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/*
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* Based on arch/arm/include/asm/system_misc.h
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*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_SYSTEM_MISC_H
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#define __ASM_SYSTEM_MISC_H
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#ifndef __ASSEMBLY__
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#include <linux/compiler.h>
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#include <linux/linkage.h>
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#include <linux/irqflags.h>
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#include <linux/signal.h>
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#include <linux/ratelimit.h>
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#include <linux/reboot.h>
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struct pt_regs;
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void die(const char *msg, struct pt_regs *regs, int err);
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struct siginfo;
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void arm64_notify_die(const char *str, struct pt_regs *regs,
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struct siginfo *info, int err);
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void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
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struct pt_regs *),
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int sig, int code, const char *name);
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struct mm_struct;
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extern void show_pte(struct mm_struct *mm, unsigned long addr);
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extern void __show_regs(struct pt_regs *);
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extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
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#define show_unhandled_signals_ratelimited() \
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({ \
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static DEFINE_RATELIMIT_STATE(_rs, \
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DEFAULT_RATELIMIT_INTERVAL, \
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DEFAULT_RATELIMIT_BURST); \
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bool __show_ratelimited = false; \
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if (show_unhandled_signals && __ratelimit(&_rs)) \
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__show_ratelimited = true; \
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__show_ratelimited; \
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})
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int handle_guest_sea(phys_addr_t addr, unsigned int esr);
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_SYSTEM_MISC_H */
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