diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/kvm.h | 3 | ||||
| -rw-r--r-- | drivers/kvm/kvm_main.c | 18 | ||||
| -rw-r--r-- | drivers/kvm/x86.c | 20 |
3 files changed, 25 insertions, 16 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 96d9c7da14c2..a7be0733bc48 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -628,6 +628,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); + +int kvm_dev_ioctl_check_extension(long ext); + int kvm_vm_ioctl_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem, diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index e0f20d020281..c782f27265de 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1198,23 +1198,9 @@ static long kvm_dev_ioctl(struct file *filp, goto out; r = kvm_dev_ioctl_create_vm(); break; - case KVM_CHECK_EXTENSION: { - int ext = (long)argp; - - switch (ext) { - case KVM_CAP_IRQCHIP: - case KVM_CAP_HLT: - case KVM_CAP_MMU_SHADOW_CACHE_CONTROL: - case KVM_CAP_USER_MEMORY: - case KVM_CAP_SET_TSS_ADDR: - r = 1; - break; - default: - r = 0; - break; - } + case KVM_CHECK_EXTENSION: + r = kvm_dev_ioctl_check_extension((long)argp); break; - } case KVM_GET_VCPU_MMAP_SIZE: r = -EINVAL; if (arg) diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c index bbfa810bf8bd..609792637fb4 100644 --- a/drivers/kvm/x86.c +++ b/drivers/kvm/x86.c @@ -599,6 +599,26 @@ void decache_vcpus_on_cpu(int cpu) spin_unlock(&kvm_lock); } +int kvm_dev_ioctl_check_extension(long ext) +{ + int r; + + switch (ext) { + case KVM_CAP_IRQCHIP: + case KVM_CAP_HLT: + case KVM_CAP_MMU_SHADOW_CACHE_CONTROL: + case KVM_CAP_USER_MEMORY: + case KVM_CAP_SET_TSS_ADDR: + r = 1; + break; + default: + r = 0; + break; + } + return r; + +} + long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { |