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kvm: forward INIT signals coming from the chipset 

Reviewed-by: Gleb Natapov <gnatapov@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-03-08 19:21:50 +01:00
parent 50a2c6e55f
commit e0723c4510
3 changed files with 30 additions and 11 deletions
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4
target-i386/helper.c
View File

@ -19,6 +19,7 @@
#include "cpu.h"
#include "sysemu/kvm.h"
#include "kvm_i386.h"
#ifndef CONFIG_USER_ONLY
#include "sysemu/sysemu.h"
#include "monitor/monitor.h"
@ -1335,6 +1336,9 @@ void do_cpu_init(X86CPU *cpu)
cpu_reset(cs);
cs->interrupt_request = sipi;
env->pat = pat;
if (kvm_enabled()) {
kvm_arch_do_init_vcpu(cpu);
}
apic_init_reset(cpu->apic_state);
}

36
target-i386/kvm.c
View File

@ -30,6 +30,8 @@
#include "qemu/config-file.h"
#include "hw/i386/pc.h"
#include "hw/i386/apic.h"
#include "hw/i386/apic_internal.h"
#include "hw/i386/apic-msidef.h"
#include "exec/ioport.h"
#include <asm/hyperv.h>
#include "hw/pci/pci.h"
@ -738,6 +740,16 @@ void kvm_arch_reset_vcpu(X86CPU *cpu)
}
}
void kvm_arch_do_init_vcpu(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
/* APs get directly into wait-for-SIPI state. */
if (env->mp_state == KVM_MP_STATE_UNINITIALIZED) {
env->mp_state = KVM_MP_STATE_INIT_RECEIVED;
}
}
static int kvm_get_supported_msrs(KVMState *s)
{
static int kvm_supported_msrs;
@ -2003,14 +2015,15 @@ void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run)
}
}
if (!kvm_irqchip_in_kernel()) {
/* Force the VCPU out of its inner loop to process any INIT requests
* or pending TPR access reports. */
if (cpu->interrupt_request &
(CPU_INTERRUPT_INIT | CPU_INTERRUPT_TPR)) {
cpu->exit_request = 1;
}
/* Force the VCPU out of its inner loop to process any INIT requests
* or (for userspace APIC, but it is cheap to combine the checks here)
* pending TPR access reports.
*/
if (cpu->interrupt_request & (CPU_INTERRUPT_INIT | CPU_INTERRUPT_TPR)) {
cpu->exit_request = 1;
}
if (!kvm_irqchip_in_kernel()) {
/* Try to inject an interrupt if the guest can accept it */
if (run->ready_for_interrupt_injection &&
(cpu->interrupt_request & CPU_INTERRUPT_HARD) &&
@ -2090,6 +2103,11 @@ int kvm_arch_process_async_events(CPUState *cs)
}
}
if (cs->interrupt_request & CPU_INTERRUPT_INIT) {
kvm_cpu_synchronize_state(cs);
do_cpu_init(cpu);
}
if (kvm_irqchip_in_kernel()) {
return 0;
}
@ -2103,10 +2121,6 @@ int kvm_arch_process_async_events(CPUState *cs)
(cs->interrupt_request & CPU_INTERRUPT_NMI)) {
cs->halted = 0;
}
if (cs->interrupt_request & CPU_INTERRUPT_INIT) {
kvm_cpu_synchronize_state(cs);
do_cpu_init(cpu);
}
if (cs->interrupt_request & CPU_INTERRUPT_SIPI) {
kvm_cpu_synchronize_state(cs);
do_cpu_sipi(cpu);

1
target-i386/kvm_i386.h
View File

@ -15,6 +15,7 @@
bool kvm_allows_irq0_override(void);
void kvm_arch_reset_vcpu(X86CPU *cs);
void kvm_arch_do_init_vcpu(X86CPU *cs);
int kvm_device_pci_assign(KVMState *s, PCIHostDeviceAddress *dev_addr,
uint32_t flags, uint32_t *dev_id);