110 	int err = 0;  in xen_pcibk_do_attach()  local
117 	err = xenbus_map_ring_valloc(pdev->xdev, &gnt_ref, 1, &vaddr);  in xen_pcibk_do_attach()
118 	if (err < 0) {  in xen_pcibk_do_attach()
119 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_do_attach()
126 	err = bind_interdomain_evtchn_to_irqhandler_lateeoi(  in xen_pcibk_do_attach()
129 	if (err < 0) {  in xen_pcibk_do_attach()
130 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_do_attach()
134 	pdev->evtchn_irq = err;  in xen_pcibk_do_attach()
135 	err = 0;  in xen_pcibk_do_attach()
139 	return err;  in xen_pcibk_do_attach()
144 	int err = 0;  in xen_pcibk_attach()  local
163 	err = xenbus_gather(XBT_NIL, pdev->xdev->otherend,  in xen_pcibk_attach()
167 	if (err) {  in xen_pcibk_attach()
169 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_attach()
179 		err = -EFAULT;  in xen_pcibk_attach()
183 	err = xen_pcibk_do_attach(pdev, gnt_ref, remote_evtchn);  in xen_pcibk_attach()
184 	if (err)  in xen_pcibk_attach()
189 	err = xenbus_switch_state(pdev->xdev, XenbusStateConnected);  in xen_pcibk_attach()
190 	if (err)  in xen_pcibk_attach()
191 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_attach()
194 	dev_dbg(&pdev->xdev->dev, "Connected? %d\n", err);  in xen_pcibk_attach()
200 	return err;  in xen_pcibk_attach()
207 	int err;  in xen_pcibk_publish_pci_dev()  local
213 		err = -ENOMEM;  in xen_pcibk_publish_pci_dev()
218 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str,  in xen_pcibk_publish_pci_dev()
223 	return err;  in xen_pcibk_publish_pci_dev()
231 	int err = 0;  in xen_pcibk_export_device()  local
238 		err = -EINVAL;  in xen_pcibk_export_device()
239 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_export_device()
247 	err = xen_pcibk_add_pci_dev(pdev, dev, devid,  in xen_pcibk_export_device()
249 	if (err)  in xen_pcibk_export_device()
270 	return err;  in xen_pcibk_export_device()
276 	int err = 0;  in xen_pcibk_remove_device()  local
284 		err = -EINVAL;  in xen_pcibk_remove_device()
299 	return err;  in xen_pcibk_remove_device()
306 	int i, root_num, len, err;  in xen_pcibk_publish_pci_root()  local
311 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_publish_pci_root()
313 	if (err == 0 || err == -ENOENT)  in xen_pcibk_publish_pci_root()
315 	else if (err < 0)  in xen_pcibk_publish_pci_root()
322 			err = -ENOMEM;  in xen_pcibk_publish_pci_root()
326 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_publish_pci_root()
328 		if (err < 0)  in xen_pcibk_publish_pci_root()
330 		if (err != 2) {  in xen_pcibk_publish_pci_root()
331 			err = -EINVAL;  in xen_pcibk_publish_pci_root()
336 			err = 0;  in xen_pcibk_publish_pci_root()
343 		err = -ENOMEM;  in xen_pcibk_publish_pci_root()
350 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str,  in xen_pcibk_publish_pci_root()
352 	if (err)  in xen_pcibk_publish_pci_root()
355 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_publish_pci_root()
359 	return err;  in xen_pcibk_publish_pci_root()
365 	int err = 0;  in xen_pcibk_reconfigure()  local
380 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d",  in xen_pcibk_reconfigure()
382 	if (err != 1) {  in xen_pcibk_reconfigure()
383 		if (err >= 0)  in xen_pcibk_reconfigure()
384 			err = -EINVAL;  in xen_pcibk_reconfigure()
385 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
393 			err = -ENOMEM;  in xen_pcibk_reconfigure()
394 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
408 				err = -ENOMEM;  in xen_pcibk_reconfigure()
409 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
414 			err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
417 			if (err < 0) {  in xen_pcibk_reconfigure()
418 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
423 			if (err != 4) {  in xen_pcibk_reconfigure()
424 				err = -EINVAL;  in xen_pcibk_reconfigure()
425 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
431 			err = xen_pcibk_export_device(pdev, domain, bus, slot,  in xen_pcibk_reconfigure()
433 			if (err)  in xen_pcibk_reconfigure()
437 			err = xen_pcibk_publish_pci_roots(pdev,  in xen_pcibk_reconfigure()
439 			if (err) {  in xen_pcibk_reconfigure()
440 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
446 			err = xenbus_printf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
449 			if (err) {  in xen_pcibk_reconfigure()
450 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
462 				err = -ENOMEM;  in xen_pcibk_reconfigure()
463 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
468 			err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
471 			if (err < 0) {  in xen_pcibk_reconfigure()
472 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
477 			if (err != 4) {  in xen_pcibk_reconfigure()
478 				err = -EINVAL;  in xen_pcibk_reconfigure()
479 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
485 			err = xen_pcibk_remove_device(pdev, domain, bus, slot,  in xen_pcibk_reconfigure()
487 			if (err)  in xen_pcibk_reconfigure()
506 	err = xenbus_switch_state(pdev->xdev, XenbusStateReconfigured);  in xen_pcibk_reconfigure()
507 	if (err) {  in xen_pcibk_reconfigure()
508 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
566 	int err = 0;  in xen_pcibk_setup_backend()  local
581 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d",  in xen_pcibk_setup_backend()
583 	if (err != 1) {  in xen_pcibk_setup_backend()
584 		if (err >= 0)  in xen_pcibk_setup_backend()
585 			err = -EINVAL;  in xen_pcibk_setup_backend()
586 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
594 			err = -ENOMEM;  in xen_pcibk_setup_backend()
595 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
601 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, dev_str,  in xen_pcibk_setup_backend()
603 		if (err < 0) {  in xen_pcibk_setup_backend()
604 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
608 		if (err != 4) {  in xen_pcibk_setup_backend()
609 			err = -EINVAL;  in xen_pcibk_setup_backend()
610 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
616 		err = xen_pcibk_export_device(pdev, domain, bus, slot, func, i);  in xen_pcibk_setup_backend()
617 		if (err)  in xen_pcibk_setup_backend()
623 			err = -ENOMEM;  in xen_pcibk_setup_backend()
624 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
629 		err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, state_str,  in xen_pcibk_setup_backend()
631 		if (err) {  in xen_pcibk_setup_backend()
632 			xenbus_dev_fatal(pdev->xdev, err, "Error switching "  in xen_pcibk_setup_backend()
638 	err = xen_pcibk_publish_pci_roots(pdev, xen_pcibk_publish_pci_root);  in xen_pcibk_setup_backend()
639 	if (err) {  in xen_pcibk_setup_backend()
640 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
646 	err = xenbus_switch_state(pdev->xdev, XenbusStateInitialised);  in xen_pcibk_setup_backend()
647 	if (err)  in xen_pcibk_setup_backend()
648 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
653 	if (!err)  in xen_pcibk_setup_backend()
656 	return err;  in xen_pcibk_setup_backend()
687 	int err = 0;  in xen_pcibk_xenbus_probe()  local
691 		err = -ENOMEM;  in xen_pcibk_xenbus_probe()
692 		xenbus_dev_fatal(dev, err,  in xen_pcibk_xenbus_probe()
698 	err = xenbus_switch_state(dev, XenbusStateInitWait);  in xen_pcibk_xenbus_probe()
699 	if (err)  in xen_pcibk_xenbus_probe()
703 	err = xenbus_watch_path(dev, dev->nodename, &pdev->be_watch,  in xen_pcibk_xenbus_probe()
705 	if (err)  in xen_pcibk_xenbus_probe()
716 	return err;  in xen_pcibk_xenbus_probe()