qemu/target/i386/kvm_i386.h
Paolo Bonzini 420ae1fc51 target/i386: kvm: initialize feature MSRs very early
Some read-only MSRs affect the behavior of ioctls such as
KVM_SET_NESTED_STATE.  We can initialize them once and for all
right after the CPU is realized, since they will never be modified
by the guest.

Reported-by: Qingua Cheng <qcheng@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-2-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:09 +01:00

51 lines
1.2 KiB
C

/*
* QEMU KVM support -- x86 specific functions.
*
* Copyright (c) 2012 Linaro Limited
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef QEMU_KVM_I386_H
#define QEMU_KVM_I386_H
#include "sysemu/kvm.h"
#define kvm_apic_in_kernel() (kvm_irqchip_in_kernel())
#ifdef CONFIG_KVM
#define kvm_pit_in_kernel() \
(kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
#define kvm_pic_in_kernel() \
(kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
#define kvm_ioapic_in_kernel() \
(kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
#else
#define kvm_pit_in_kernel() 0
#define kvm_pic_in_kernel() 0
#define kvm_ioapic_in_kernel() 0
#endif /* CONFIG_KVM */
bool kvm_allows_irq0_override(void);
bool kvm_has_smm(void);
bool kvm_has_adjust_clock_stable(void);
bool kvm_has_exception_payload(void);
void kvm_synchronize_all_tsc(void);
void kvm_arch_reset_vcpu(X86CPU *cs);
void kvm_arch_do_init_vcpu(X86CPU *cs);
void kvm_put_apicbase(X86CPU *cpu, uint64_t value);
bool kvm_enable_x2apic(void);
bool kvm_has_x2apic_api(void);
bool kvm_hv_vpindex_settable(void);
#endif