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Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c60
1 files changed, 32 insertions, 28 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4b6c01b477f9..1b95cc926cfc 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2324,6 +2324,34 @@ static int kvm_ioctl_create_device(struct kvm *kvm,
return 0;
}
+static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
+{
+ switch (arg) {
+ case KVM_CAP_USER_MEMORY:
+ case KVM_CAP_DESTROY_MEMORY_REGION_WORKS:
+ case KVM_CAP_JOIN_MEMORY_REGIONS_WORKS:
+#ifdef CONFIG_KVM_APIC_ARCHITECTURE
+ case KVM_CAP_SET_BOOT_CPU_ID:
+#endif
+ case KVM_CAP_INTERNAL_ERROR_DATA:
+#ifdef CONFIG_HAVE_KVM_MSI
+ case KVM_CAP_SIGNAL_MSI:
+#endif
+#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
+ case KVM_CAP_IRQFD_RESAMPLE:
+#endif
+ case KVM_CAP_CHECK_EXTENSION_VM:
+ return 1;
+#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
+ case KVM_CAP_IRQ_ROUTING:
+ return KVM_MAX_IRQ_ROUTES;
+#endif
+ default:
+ break;
+ }
+ return kvm_vm_ioctl_check_extension(kvm, arg);
+}
+
static long kvm_vm_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
@@ -2487,6 +2515,9 @@ static long kvm_vm_ioctl(struct file *filp,
r = 0;
break;
}
+ case KVM_CHECK_EXTENSION:
+ r = kvm_vm_ioctl_check_extension_generic(kvm, arg);
+ break;
default:
r = kvm_arch_vm_ioctl(filp, ioctl, arg);
if (r == -ENOTTY)
@@ -2571,33 +2602,6 @@ static int kvm_dev_ioctl_create_vm(unsigned long type)
return r;
}
-static long kvm_dev_ioctl_check_extension_generic(long arg)
-{
- switch (arg) {
- case KVM_CAP_USER_MEMORY:
- case KVM_CAP_DESTROY_MEMORY_REGION_WORKS:
- case KVM_CAP_JOIN_MEMORY_REGIONS_WORKS:
-#ifdef CONFIG_KVM_APIC_ARCHITECTURE
- case KVM_CAP_SET_BOOT_CPU_ID:
-#endif
- case KVM_CAP_INTERNAL_ERROR_DATA:
-#ifdef CONFIG_HAVE_KVM_MSI
- case KVM_CAP_SIGNAL_MSI:
-#endif
-#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
- case KVM_CAP_IRQFD_RESAMPLE:
-#endif
- return 1;
-#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
- case KVM_CAP_IRQ_ROUTING:
- return KVM_MAX_IRQ_ROUTES;
-#endif
- default:
- break;
- }
- return kvm_dev_ioctl_check_extension(arg);
-}
-
static long kvm_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
@@ -2614,7 +2618,7 @@ static long kvm_dev_ioctl(struct file *filp,
r = kvm_dev_ioctl_create_vm(arg);
break;
case KVM_CHECK_EXTENSION:
- r = kvm_dev_ioctl_check_extension_generic(arg);
+ r = kvm_vm_ioctl_check_extension_generic(NULL, arg);
break;
case KVM_GET_VCPU_MMAP_SIZE:
r = -EINVAL;