xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-27 21:40:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

kvm: Enable user space NMI injection for kvm guest

Browse Source 
Make use of the new KVM_NMI IOCTL to send NMIs into the KVM guest if the
user space raised them. (example: qemu monitor's "nmi" command)

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Lai Jiangshan 2010-12-10 15:42:53 +08:00 committed by Marcelo Tosatti
parent b646968336
commit 276ce81563
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
configure vendored
View File

@ -1671,6 +1671,9 @@ if test "$kvm" != "no" ; then
#if !defined(KVM_CAP_DESTROY_MEMORY_REGION_WORKS)
#error Missing KVM capability KVM_CAP_DESTROY_MEMORY_REGION_WORKS
#endif
#if !defined(KVM_CAP_USER_NMI)
#error Missing KVM capability KVM_CAP_USER_NMI
#endif
int main(void) { return 0; }
EOF
if test "$kerneldir" != "" ; then

7
target-i386/kvm.c
View File

@ -1417,6 +1417,13 @@ int kvm_arch_get_registers(CPUState *env)
int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
{
/* Inject NMI */
if (env->interrupt_request & CPU_INTERRUPT_NMI) {
env->interrupt_request &= ~CPU_INTERRUPT_NMI;
DPRINTF("injected NMI\n");
kvm_vcpu_ioctl(env, KVM_NMI);
}
/* Try to inject an interrupt if the guest can accept it */
if (run->ready_for_interrupt_injection &&
(env->interrupt_request & CPU_INTERRUPT_HARD) &&