393 	int r;  in assigned_device_enable_host_msi()  local
396 		r = pci_enable_msi(dev->dev);  in assigned_device_enable_host_msi()
397 		if (r)  in assigned_device_enable_host_msi()
398 			return r;  in assigned_device_enable_host_msi()
417 	int i, r = -EINVAL;  in assigned_device_enable_host_msix()  local
422 		return r;  in assigned_device_enable_host_msix()
424 	r = pci_enable_msix_exact(dev->dev,  in assigned_device_enable_host_msix()
426 	if (r)  in assigned_device_enable_host_msix()
427 		return r;  in assigned_device_enable_host_msix()
430 		r = request_threaded_irq(dev->host_msix_entries[i].vector,  in assigned_device_enable_host_msix()
434 		if (r)  in assigned_device_enable_host_msix()
443 	return r;  in assigned_device_enable_host_msix()
483 	int r = -EEXIST;  in assign_host_irq()  local
486 		return r;  in assign_host_irq()
493 		r = assigned_device_enable_host_intx(kvm, dev);  in assign_host_irq()
497 		r = assigned_device_enable_host_msi(kvm, dev);  in assign_host_irq()
502 		r = assigned_device_enable_host_msix(kvm, dev);  in assign_host_irq()
506 		r = -EINVAL;  in assign_host_irq()
510 	if (!r)  in assign_host_irq()
513 	return r;  in assign_host_irq()
522 	int r = -EEXIST;  in assign_guest_irq()  local
525 		return r;  in assign_guest_irq()
535 		r = assigned_device_enable_guest_intx(kvm, dev, irq);  in assign_guest_irq()
539 		r = assigned_device_enable_guest_msi(kvm, dev, irq);  in assign_guest_irq()
544 		r = assigned_device_enable_guest_msix(kvm, dev, irq);  in assign_guest_irq()
548 		r = -EINVAL;  in assign_guest_irq()
551 	if (!r) {  in assign_guest_irq()
560 	return r;  in assign_guest_irq()
567 	int r = -EINVAL;  in kvm_vm_ioctl_assign_irq()  local
572 		return r;  in kvm_vm_ioctl_assign_irq()
575 	r = -ENODEV;  in kvm_vm_ioctl_assign_irq()
584 	r = -EINVAL;  in kvm_vm_ioctl_assign_irq()
593 	r = 0;  in kvm_vm_ioctl_assign_irq()
595 		r = assign_host_irq(kvm, match, host_irq_type);  in kvm_vm_ioctl_assign_irq()
596 	if (r)  in kvm_vm_ioctl_assign_irq()
600 		r = assign_guest_irq(kvm, match, assigned_irq, guest_irq_type);  in kvm_vm_ioctl_assign_irq()
603 	return r;  in kvm_vm_ioctl_assign_irq()
610 	int r = -ENODEV;  in kvm_vm_ioctl_deassign_dev_irq()  local
623 	r = kvm_deassign_irq(kvm, match, irq_type);  in kvm_vm_ioctl_deassign_dev_irq()
626 	return r;  in kvm_vm_ioctl_deassign_dev_irq()
649 		int r;  in probe_sysfs_permissions()  local
664 		r = kern_path(syspath, LOOKUP_FOLLOW, &path);  in probe_sysfs_permissions()
666 		if (r)  in probe_sysfs_permissions()
667 			return r;  in probe_sysfs_permissions()
671 		r = inode_permission(inode, MAY_READ | MAY_WRITE | MAY_ACCESS);  in probe_sysfs_permissions()
673 		if (r)  in probe_sysfs_permissions()
674 			return r;  in probe_sysfs_permissions()
692 	int r = 0, idx;  in kvm_vm_ioctl_assign_device()  local
706 		r = -EEXIST;  in kvm_vm_ioctl_assign_device()
714 		r = -ENOMEM;  in kvm_vm_ioctl_assign_device()
722 		r = -EINVAL;  in kvm_vm_ioctl_assign_device()
728 		r = -EPERM;  in kvm_vm_ioctl_assign_device()
732 	r = probe_sysfs_permissions(dev);  in kvm_vm_ioctl_assign_device()
733 	if (r)  in kvm_vm_ioctl_assign_device()
738 		r = -EBUSY;  in kvm_vm_ioctl_assign_device()
741 	r = pci_request_regions(dev, "kvm_assigned_device");  in kvm_vm_ioctl_assign_device()
742 	if (r) {  in kvm_vm_ioctl_assign_device()
773 		r = kvm_iommu_map_guest(kvm);  in kvm_vm_ioctl_assign_device()
774 		if (r)  in kvm_vm_ioctl_assign_device()
777 	r = kvm_assign_device(kvm, match->dev);  in kvm_vm_ioctl_assign_device()
778 	if (r)  in kvm_vm_ioctl_assign_device()
784 	return r;  in kvm_vm_ioctl_assign_device()
799 	return r;  in kvm_vm_ioctl_assign_device()
805 	int r = 0;  in kvm_vm_ioctl_deassign_device()  local
815 		r = -EINVAL;  in kvm_vm_ioctl_deassign_device()
825 	return r;  in kvm_vm_ioctl_deassign_device()
833 	int r = 0;  in kvm_vm_ioctl_set_msix_nr()  local
841 		r = -EINVAL;  in kvm_vm_ioctl_set_msix_nr()
849 			r = -EINVAL;  in kvm_vm_ioctl_set_msix_nr()
857 			r = -ENOMEM;  in kvm_vm_ioctl_set_msix_nr()
865 			r = -ENOMEM;  in kvm_vm_ioctl_set_msix_nr()
869 		r = -EINVAL;  in kvm_vm_ioctl_set_msix_nr()
872 	return r;  in kvm_vm_ioctl_set_msix_nr()
878 	int r = 0, i;  in kvm_vm_ioctl_set_msix_entry()  local
887 		r = -EINVAL;  in kvm_vm_ioctl_set_msix_entry()
900 		r = -ENOSPC;  in kvm_vm_ioctl_set_msix_entry()
907 	return r;  in kvm_vm_ioctl_set_msix_entry()
914 	int r = 0;  in kvm_vm_ioctl_set_pci_irq_mask()  local
922 		r = -ENODEV;  in kvm_vm_ioctl_set_pci_irq_mask()
957 	return r;  in kvm_vm_ioctl_set_pci_irq_mask()
964 	int r;  in kvm_vm_ioctl_assigned_device()  local
970 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
973 		r = kvm_vm_ioctl_assign_device(kvm, &assigned_dev);  in kvm_vm_ioctl_assigned_device()
974 		if (r)  in kvm_vm_ioctl_assigned_device()
979 		r = -EOPNOTSUPP;  in kvm_vm_ioctl_assigned_device()
985 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
988 		r = kvm_vm_ioctl_assign_irq(kvm, &assigned_irq);  in kvm_vm_ioctl_assigned_device()
989 		if (r)  in kvm_vm_ioctl_assigned_device()
996 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
999 		r = kvm_vm_ioctl_deassign_dev_irq(kvm, &assigned_irq);  in kvm_vm_ioctl_assigned_device()
1000 		if (r)  in kvm_vm_ioctl_assigned_device()
1007 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
1010 		r = kvm_vm_ioctl_deassign_device(kvm, &assigned_dev);  in kvm_vm_ioctl_assigned_device()
1011 		if (r)  in kvm_vm_ioctl_assigned_device()
1018 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
1021 		r = kvm_vm_ioctl_set_msix_nr(kvm, &entry_nr);  in kvm_vm_ioctl_assigned_device()
1022 		if (r)  in kvm_vm_ioctl_assigned_device()
1028 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
1031 		r = kvm_vm_ioctl_set_msix_entry(kvm, &entry);  in kvm_vm_ioctl_assigned_device()
1032 		if (r)  in kvm_vm_ioctl_assigned_device()
1040 		r = -EFAULT;  in kvm_vm_ioctl_assigned_device()
1043 		r = kvm_vm_ioctl_set_pci_irq_mask(kvm, &assigned_dev);  in kvm_vm_ioctl_assigned_device()
1047 		r = -ENOTTY;  in kvm_vm_ioctl_assigned_device()
1051 	return r;  in kvm_vm_ioctl_assigned_device()