109 	int err = 0;  in xen_pcibk_do_attach()  local
116 	err = xenbus_map_ring_valloc(pdev->xdev, &gnt_ref, 1, &vaddr);  in xen_pcibk_do_attach()
117 	if (err < 0) {  in xen_pcibk_do_attach()
118 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_do_attach()
125 	err = bind_interdomain_evtchn_to_irqhandler(  in xen_pcibk_do_attach()
128 	if (err < 0) {  in xen_pcibk_do_attach()
129 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_do_attach()
133 	pdev->evtchn_irq = err;  in xen_pcibk_do_attach()
134 	err = 0;  in xen_pcibk_do_attach()
138 	return err;  in xen_pcibk_do_attach()
143 	int err = 0;  in xen_pcibk_attach()  local
161 	err = xenbus_gather(XBT_NIL, pdev->xdev->otherend,  in xen_pcibk_attach()
165 	if (err) {  in xen_pcibk_attach()
167 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_attach()
177 		err = -EFAULT;  in xen_pcibk_attach()
181 	err = xen_pcibk_do_attach(pdev, gnt_ref, remote_evtchn);  in xen_pcibk_attach()
182 	if (err)  in xen_pcibk_attach()
187 	err = xenbus_switch_state(pdev->xdev, XenbusStateConnected);  in xen_pcibk_attach()
188 	if (err)  in xen_pcibk_attach()
189 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_attach()
192 	dev_dbg(&pdev->xdev->dev, "Connected? %d\n", err);  in xen_pcibk_attach()
198 	return err;  in xen_pcibk_attach()
205 	int err;  in xen_pcibk_publish_pci_dev()  local
211 		err = -ENOMEM;  in xen_pcibk_publish_pci_dev()
216 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str,  in xen_pcibk_publish_pci_dev()
221 	return err;  in xen_pcibk_publish_pci_dev()
229 	int err = 0;  in xen_pcibk_export_device()  local
236 		err = -EINVAL;  in xen_pcibk_export_device()
237 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_export_device()
245 	err = xen_pcibk_add_pci_dev(pdev, dev, devid,  in xen_pcibk_export_device()
247 	if (err)  in xen_pcibk_export_device()
268 	return err;  in xen_pcibk_export_device()
274 	int err = 0;  in xen_pcibk_remove_device()  local
282 		err = -EINVAL;  in xen_pcibk_remove_device()
297 	return err;  in xen_pcibk_remove_device()
304 	int i, root_num, len, err;  in xen_pcibk_publish_pci_root()  local
309 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_publish_pci_root()
311 	if (err == 0 || err == -ENOENT)  in xen_pcibk_publish_pci_root()
313 	else if (err < 0)  in xen_pcibk_publish_pci_root()
320 			err = -ENOMEM;  in xen_pcibk_publish_pci_root()
324 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_publish_pci_root()
326 		if (err < 0)  in xen_pcibk_publish_pci_root()
328 		if (err != 2) {  in xen_pcibk_publish_pci_root()
329 			err = -EINVAL;  in xen_pcibk_publish_pci_root()
334 			err = 0;  in xen_pcibk_publish_pci_root()
341 		err = -ENOMEM;  in xen_pcibk_publish_pci_root()
348 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str,  in xen_pcibk_publish_pci_root()
350 	if (err)  in xen_pcibk_publish_pci_root()
353 	err = xenbus_printf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_publish_pci_root()
357 	return err;  in xen_pcibk_publish_pci_root()
362 	int err = 0;  in xen_pcibk_reconfigure()  local
379 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d",  in xen_pcibk_reconfigure()
381 	if (err != 1) {  in xen_pcibk_reconfigure()
382 		if (err >= 0)  in xen_pcibk_reconfigure()
383 			err = -EINVAL;  in xen_pcibk_reconfigure()
384 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
392 			err = -ENOMEM;  in xen_pcibk_reconfigure()
393 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
398 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, state_str,  in xen_pcibk_reconfigure()
400 		if (err != 1)  in xen_pcibk_reconfigure()
409 				err = -ENOMEM;  in xen_pcibk_reconfigure()
410 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
415 			err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
418 			if (err < 0) {  in xen_pcibk_reconfigure()
419 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
424 			if (err != 4) {  in xen_pcibk_reconfigure()
425 				err = -EINVAL;  in xen_pcibk_reconfigure()
426 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
432 			err = xen_pcibk_export_device(pdev, domain, bus, slot,  in xen_pcibk_reconfigure()
434 			if (err)  in xen_pcibk_reconfigure()
438 			err = xen_pcibk_publish_pci_roots(pdev,  in xen_pcibk_reconfigure()
440 			if (err) {  in xen_pcibk_reconfigure()
441 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
447 			err = xenbus_printf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
450 			if (err) {  in xen_pcibk_reconfigure()
451 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
463 				err = -ENOMEM;  in xen_pcibk_reconfigure()
464 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
469 			err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename,  in xen_pcibk_reconfigure()
472 			if (err < 0) {  in xen_pcibk_reconfigure()
473 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
478 			if (err != 4) {  in xen_pcibk_reconfigure()
479 				err = -EINVAL;  in xen_pcibk_reconfigure()
480 				xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
486 			err = xen_pcibk_remove_device(pdev, domain, bus, slot,  in xen_pcibk_reconfigure()
488 			if (err)  in xen_pcibk_reconfigure()
503 	err = xenbus_switch_state(pdev->xdev, XenbusStateReconfigured);  in xen_pcibk_reconfigure()
504 	if (err) {  in xen_pcibk_reconfigure()
505 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_reconfigure()
563 	int err = 0;  in xen_pcibk_setup_backend()  local
578 	err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, "num_devs", "%d",  in xen_pcibk_setup_backend()
580 	if (err != 1) {  in xen_pcibk_setup_backend()
581 		if (err >= 0)  in xen_pcibk_setup_backend()
582 			err = -EINVAL;  in xen_pcibk_setup_backend()
583 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
591 			err = -ENOMEM;  in xen_pcibk_setup_backend()
592 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
598 		err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, dev_str,  in xen_pcibk_setup_backend()
600 		if (err < 0) {  in xen_pcibk_setup_backend()
601 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
605 		if (err != 4) {  in xen_pcibk_setup_backend()
606 			err = -EINVAL;  in xen_pcibk_setup_backend()
607 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
613 		err = xen_pcibk_export_device(pdev, domain, bus, slot, func, i);  in xen_pcibk_setup_backend()
614 		if (err)  in xen_pcibk_setup_backend()
620 			err = -ENOMEM;  in xen_pcibk_setup_backend()
621 			xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
626 		err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, state_str,  in xen_pcibk_setup_backend()
628 		if (err) {  in xen_pcibk_setup_backend()
629 			xenbus_dev_fatal(pdev->xdev, err, "Error switching "  in xen_pcibk_setup_backend()
635 	err = xen_pcibk_publish_pci_roots(pdev, xen_pcibk_publish_pci_root);  in xen_pcibk_setup_backend()
636 	if (err) {  in xen_pcibk_setup_backend()
637 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
643 	err = xenbus_switch_state(pdev->xdev, XenbusStateInitialised);  in xen_pcibk_setup_backend()
644 	if (err)  in xen_pcibk_setup_backend()
645 		xenbus_dev_fatal(pdev->xdev, err,  in xen_pcibk_setup_backend()
650 	if (!err)  in xen_pcibk_setup_backend()
653 	return err;  in xen_pcibk_setup_backend()
675 	int err = 0;  in xen_pcibk_xenbus_probe()  local
679 		err = -ENOMEM;  in xen_pcibk_xenbus_probe()
680 		xenbus_dev_fatal(dev, err,  in xen_pcibk_xenbus_probe()
686 	err = xenbus_switch_state(dev, XenbusStateInitWait);  in xen_pcibk_xenbus_probe()
687 	if (err)  in xen_pcibk_xenbus_probe()
691 	err = xenbus_watch_path(dev, dev->nodename, &pdev->be_watch,  in xen_pcibk_xenbus_probe()
693 	if (err)  in xen_pcibk_xenbus_probe()
704 	return err;  in xen_pcibk_xenbus_probe()