diff options
| author | Zhang Xiantao <xiantao.zhang@intel.com> | 2007-11-15 23:07:47 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:53:03 +0200 |
| commit | 018d00d2fef27fc65f2917bec8f72b93615c18e1 (patch) | |
| tree | f2591e8da457287195e138a62e2d34a8bdfbe14c /drivers/kvm | |
| parent | a7e6c88a78b7c3d67491bf90b2b95e66437dbdb6 (diff) | |
KVM: Portability: move KVM_CHECK_EXTENSION
Make KVM_CHECK_EXTENSION code into a function, all archs can define its
capability independently.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
| -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 96d9c7da14c..a7be0733bc4 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 e0f20d02028..c782f27265d 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 bbfa810bf8b..609792637fb 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) { |