46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 - os kernal
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* Author: fire3 <fire3@example.com> yangzh <yangzh@gmail.com>
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* linhn <linhn@example.com>
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*/
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#include <asm/hmcall.h>
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#include <asm/kvm_asm.h>
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#include <asm/kvm_emulate.h>
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#include <asm/kvm_timer.h>
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#include <linux/kvm.h>
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int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run,
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int exception_index, struct hcall_args *hargs)
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{
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switch (exception_index) {
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case SW64_KVM_EXIT_IO:
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return io_mem_abort(vcpu, run, hargs);
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case SW64_KVM_EXIT_HALT:
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vcpu->arch.halted = 1;
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kvm_vcpu_block(vcpu);
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return 1;
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case SW64_KVM_EXIT_SHUTDOWN:
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vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT;
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vcpu->run->system_event.type = KVM_SYSTEM_EVENT_SHUTDOWN;
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return 0;
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case SW64_KVM_EXIT_RESTART:
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vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT;
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vcpu->run->system_event.type = KVM_SYSTEM_EVENT_RESET;
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return 0;
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case SW64_KVM_EXIT_TIMER:
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set_timer(vcpu, hargs->arg0);
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return 1;
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case SW64_KVM_EXIT_IPI:
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vcpu_send_ipi(vcpu, hargs->arg0);
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return 1;
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case SW64_KVM_EXIT_FATAL_ERROR:
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printk("Guest fatal error: Reason=[%lx], EXC_PC=[%lx], DVA=[%lx]", hargs->arg0, hargs->arg1, hargs->arg2);
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vcpu->run->exit_reason = KVM_EXIT_UNKNOWN;
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vcpu->run->hw.hardware_exit_reason = hargs->arg0;
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return 0;
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}
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return 1;
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}
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