return IRQ_HANDLED;
}
-#ifdef __KVM_HAVE_MSI
static irqreturn_t kvm_assigned_dev_msi(int irq, void *dev_id)
{
struct kvm_assigned_dev_kernel *assigned_dev = dev_id;
return IRQ_HANDLED;
}
-#endif
-#ifdef __KVM_HAVE_MSIX
static irqreturn_t kvm_assigned_dev_msix(int irq, void *dev_id)
{
struct kvm_assigned_dev_kernel *assigned_dev = dev_id;
return IRQ_HANDLED;
}
-#endif
/* Ack the irq line for an assigned device */
static void kvm_assigned_dev_ack_irq(struct kvm_irq_ack_notifier *kian)
return 0;
}
-#ifdef __KVM_HAVE_MSI
static int assigned_device_enable_host_msi(struct kvm *kvm,
struct kvm_assigned_dev_kernel *dev)
{
return 0;
}
-#endif
-#ifdef __KVM_HAVE_MSIX
static int assigned_device_enable_host_msix(struct kvm *kvm,
struct kvm_assigned_dev_kernel *dev)
{
return r;
}
-#endif
-
static int assigned_device_enable_guest_intx(struct kvm *kvm,
struct kvm_assigned_dev_kernel *dev,
struct kvm_assigned_irq *irq)
return 0;
}
-#ifdef __KVM_HAVE_MSI
static int assigned_device_enable_guest_msi(struct kvm *kvm,
struct kvm_assigned_dev_kernel *dev,
struct kvm_assigned_irq *irq)
dev->ack_notifier.gsi = -1;
return 0;
}
-#endif
-#ifdef __KVM_HAVE_MSIX
static int assigned_device_enable_guest_msix(struct kvm *kvm,
struct kvm_assigned_dev_kernel *dev,
struct kvm_assigned_irq *irq)
dev->ack_notifier.gsi = -1;
return 0;
}
-#endif
static int assign_host_irq(struct kvm *kvm,
struct kvm_assigned_dev_kernel *dev,
case KVM_DEV_IRQ_HOST_INTX:
r = assigned_device_enable_host_intx(kvm, dev);
break;
-#ifdef __KVM_HAVE_MSI
case KVM_DEV_IRQ_HOST_MSI:
r = assigned_device_enable_host_msi(kvm, dev);
break;
-#endif
-#ifdef __KVM_HAVE_MSIX
case KVM_DEV_IRQ_HOST_MSIX:
r = assigned_device_enable_host_msix(kvm, dev);
break;
-#endif
default:
r = -EINVAL;
}
case KVM_DEV_IRQ_GUEST_INTX:
r = assigned_device_enable_guest_intx(kvm, dev, irq);
break;
-#ifdef __KVM_HAVE_MSI
case KVM_DEV_IRQ_GUEST_MSI:
r = assigned_device_enable_guest_msi(kvm, dev, irq);
break;
-#endif
-#ifdef __KVM_HAVE_MSIX
case KVM_DEV_IRQ_GUEST_MSIX:
r = assigned_device_enable_guest_msix(kvm, dev, irq);
break;
-#endif
default:
r = -EINVAL;
}
}
-#ifdef __KVM_HAVE_MSIX
static int kvm_vm_ioctl_set_msix_nr(struct kvm *kvm,
struct kvm_assigned_msix_nr *entry_nr)
{
return r;
}
-#endif
static int kvm_vm_ioctl_set_pci_irq_mask(struct kvm *kvm,
struct kvm_assigned_pci_dev *assigned_dev)
goto out;
break;
}
-#ifdef __KVM_HAVE_MSIX
case KVM_ASSIGN_SET_MSIX_NR: {
struct kvm_assigned_msix_nr entry_nr;
r = -EFAULT;
goto out;
break;
}
-#endif
case KVM_ASSIGN_SET_INTX_MASK: {
struct kvm_assigned_pci_dev assigned_dev;