Beispiel #1
0
static int xen_pcibk_remove_device(struct xen_pcibk_device *pdev,
				 int domain, int bus, int slot, int func)
{
	int err = 0;
	struct pci_dev *dev;

	dev_dbg(&pdev->xdev->dev, "removing dom %x bus %x slot %x func %x\n",
		domain, bus, slot, func);

	dev = xen_pcibk_get_pci_dev(pdev, domain, bus, PCI_DEVFN(slot, func));
	if (!dev) {
		err = -EINVAL;
		dev_dbg(&pdev->xdev->dev, "Couldn't locate PCI device "
			"(%04x:%02x:%02x.%01x)! not owned by this domain\n",
			domain, bus, slot, func);
		goto out;
	}

	dev_dbg(&dev->dev, "unregistering for %d\n", pdev->xdev->otherend_id);
	dev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
	xen_unregister_device_domain_owner(dev);

	xen_pcibk_release_pci_dev(pdev, dev);

out:
	return err;
}
Beispiel #2
0
static int xen_pcibk_remove_device(struct xen_pcibk_device *pdev,
				 int domain, int bus, int slot, int func)
{
	int err = 0;
	struct pci_dev *dev;

	dev_dbg(&pdev->xdev->dev, "removing dom %x bus %x slot %x func %x\n",
		domain, bus, slot, func);

	dev = xen_pcibk_get_pci_dev(pdev, domain, bus, PCI_DEVFN(slot, func));
	if (!dev) {
		err = -EINVAL;
		dev_dbg(&pdev->xdev->dev, "Couldn't locate PCI device "
			"(%04x:%02x:%02x.%d)! not owned by this domain\n",
			domain, bus, slot, func);
		goto out;
	}

	dev_dbg(&dev->dev, "unregistering for %d\n", pdev->xdev->otherend_id);
	xen_unregister_device_domain_owner(dev);

	/* N.B. This ends up calling pcistub_put_pci_dev which ends up
	 * doing the FLR. */
	xen_pcibk_release_pci_dev(pdev, dev, true /* use the lock. */);

out:
	return err;
}