diff options
| author | Christoffer Dall | 2012-07-24 14:51:20 +0200 |
|---|---|---|
| committer | Avi Kivity | 2012-07-26 11:23:25 +0200 |
| commit | 23d43cf998275bc97437931c0cdee1df2c1aa3ca (patch) | |
| tree | cc1a76fefb98f66e7807d54049ddaf008db055ac /arch/x86/kvm/x86.c | |
| parent | KVM: x86 emulator: drop unneeded call to get_segment() (diff) | |
| download | kernel-qcow2-linux-23d43cf998275bc97437931c0cdee1df2c1aa3ca.tar.gz kernel-qcow2-linux-23d43cf998275bc97437931c0cdee1df2c1aa3ca.tar.xz kernel-qcow2-linux-23d43cf998275bc97437931c0cdee1df2c1aa3ca.zip | |
KVM: Move KVM_IRQ_LINE to arch-generic code
Handle KVM_IRQ_LINE and KVM_IRQ_LINE_STATUS in the generic
kvm_vm_ioctl() function and call into kvm_vm_ioctl_irq_line().
This is even more relevant when KVM/ARM also uses this ioctl.
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 3d9d08edbf29..b6379e55ee27 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3165,6 +3165,16 @@ out: return r; } +int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event) +{ + if (!irqchip_in_kernel(kvm)) + return -ENXIO; + + irq_event->status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, + irq_event->irq, irq_event->level); + return 0; +} + long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { @@ -3271,29 +3281,6 @@ long kvm_arch_vm_ioctl(struct file *filp, create_pit_unlock: mutex_unlock(&kvm->slots_lock); break; - case KVM_IRQ_LINE_STATUS: - case KVM_IRQ_LINE: { - struct kvm_irq_level irq_event; - - r = -EFAULT; - if (copy_from_user(&irq_event, argp, sizeof irq_event)) - goto out; - r = -ENXIO; - if (irqchip_in_kernel(kvm)) { - __s32 status; - status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, - irq_event.irq, irq_event.level); - if (ioctl == KVM_IRQ_LINE_STATUS) { - r = -EFAULT; - irq_event.status = status; - if (copy_to_user(argp, &irq_event, - sizeof irq_event)) - goto out; - } - r = 0; - } - break; - } case KVM_GET_IRQCHIP: { /* 0: PIC master, 1: PIC slave, 2: IOAPIC */ struct kvm_irqchip *chip; |