111 	int err = 0;  in xen_pcibk_do_attach()  local
118 	err = xenbus_map_ring_valloc(pdev->xdev, &gnt_ref, 1, &vaddr);  in xen_pcibk_do_attach()
119 	if (err < 0) {  in xen_pcibk_do_attach()
120 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_do_attach()
127 	err = bind_interdomain_evtchn_to_irqhandler(  in xen_pcibk_do_attach()
130 	if (err < 0) {  in xen_pcibk_do_attach()
131 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_do_attach()
135 	pdev->evtchn_irq = err;  in xen_pcibk_do_attach()
136 	err = 0;  in xen_pcibk_do_attach()
140 	return err;  in xen_pcibk_do_attach()
145 	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()
364 	int err = 0;  in xen_pcibk_reconfigure()  local
381 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d",  in xen_pcibk_reconfigure()
383 	if (err != 1) {  in xen_pcibk_reconfigure()
384 		if (err >= 0)  in xen_pcibk_reconfigure()
385 			err = -EINVAL;  in xen_pcibk_reconfigure()
386 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
394 			err = -ENOMEM;  in xen_pcibk_reconfigure()
395 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
400 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, state_str,  in xen_pcibk_reconfigure()
402 		if (err != 1)  in xen_pcibk_reconfigure()
411 				err = -ENOMEM;  in xen_pcibk_reconfigure()
412 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
417 			err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
420 			if (err < 0) {  in xen_pcibk_reconfigure()
421 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
426 			if (err != 4) {  in xen_pcibk_reconfigure()
427 				err = -EINVAL;  in xen_pcibk_reconfigure()
428 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
434 			err = xen_pcibk_export_device(pdev, domain, bus, slot,  in xen_pcibk_reconfigure()
436 			if (err)  in xen_pcibk_reconfigure()
440 			err = xen_pcibk_publish_pci_roots(pdev,  in xen_pcibk_reconfigure()
442 			if (err) {  in xen_pcibk_reconfigure()
443 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
449 			err = xenbus_printf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
452 			if (err) {  in xen_pcibk_reconfigure()
453 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
465 				err = -ENOMEM;  in xen_pcibk_reconfigure()
466 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
471 			err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
474 			if (err < 0) {  in xen_pcibk_reconfigure()
475 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
480 			if (err != 4) {  in xen_pcibk_reconfigure()
481 				err = -EINVAL;  in xen_pcibk_reconfigure()
482 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
488 			err = xen_pcibk_remove_device(pdev, domain, bus, slot,  in xen_pcibk_reconfigure()
490 			if (err)  in xen_pcibk_reconfigure()
505 	err = xenbus_switch_state(pdev->xdev, XenbusStateReconfigured);  in xen_pcibk_reconfigure()
506 	if (err) {  in xen_pcibk_reconfigure()
507 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
565 	int err = 0;  in xen_pcibk_setup_backend()  local
580 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d",  in xen_pcibk_setup_backend()
582 	if (err != 1) {  in xen_pcibk_setup_backend()
583 		if (err >= 0)  in xen_pcibk_setup_backend()
584 			err = -EINVAL;  in xen_pcibk_setup_backend()
585 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
593 			err = -ENOMEM;  in xen_pcibk_setup_backend()
594 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
600 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, dev_str,  in xen_pcibk_setup_backend()
602 		if (err < 0) {  in xen_pcibk_setup_backend()
603 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
607 		if (err != 4) {  in xen_pcibk_setup_backend()
608 			err = -EINVAL;  in xen_pcibk_setup_backend()
609 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
615 		err = xen_pcibk_export_device(pdev, domain, bus, slot, func, i);  in xen_pcibk_setup_backend()
616 		if (err)  in xen_pcibk_setup_backend()
622 			err = -ENOMEM;  in xen_pcibk_setup_backend()
623 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
628 		err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, state_str,  in xen_pcibk_setup_backend()
630 		if (err) {  in xen_pcibk_setup_backend()
631 			xenbus_dev_fatal(pdev->xdev, err, "Error switching "  in xen_pcibk_setup_backend()
637 	err = xen_pcibk_publish_pci_roots(pdev, xen_pcibk_publish_pci_root);  in xen_pcibk_setup_backend()
638 	if (err) {  in xen_pcibk_setup_backend()
639 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
645 	err = xenbus_switch_state(pdev->xdev, XenbusStateInitialised);  in xen_pcibk_setup_backend()
646 	if (err)  in xen_pcibk_setup_backend()
647 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
652 	if (!err)  in xen_pcibk_setup_backend()
655 	return err;  in xen_pcibk_setup_backend()
677 	int err = 0;  in xen_pcibk_xenbus_probe()  local
681 		err = -ENOMEM;  in xen_pcibk_xenbus_probe()
682 		xenbus_dev_fatal(dev, err,  in xen_pcibk_xenbus_probe()
688 	err = xenbus_switch_state(dev, XenbusStateInitWait);  in xen_pcibk_xenbus_probe()
689 	if (err)  in xen_pcibk_xenbus_probe()
693 	err = xenbus_watch_path(dev, dev->nodename, &pdev->be_watch,  in xen_pcibk_xenbus_probe()
695 	if (err)  in xen_pcibk_xenbus_probe()
706 	return err;  in xen_pcibk_xenbus_probe()