Lines Matching refs:bus

82 static struct iommu_domain *iommu_domain_alloc_ext(struct bus_type *bus, unsigned type);

191     const struct iommu_ops *ops = dev->bus->iommu_ops;

246     const struct iommu_ops *ops = dev->bus->iommu_ops;

295     const struct iommu_ops *ops = dev->bus->iommu_ops;

1308         if (tmp == pdev || tmp->bus != pdev->bus || PCI_SLOT(tmp->devfn) != PCI_SLOT(pdev->devfn) ||

1325  * aliases are only supported on the same bus, therefore the search

1348         if (tmp == pdev || tmp->bus != pdev->bus) {

1401  * Use standard PCI bus topology, isolation features, and DMA alias quirks

1408     struct pci_bus *bus;

1434     for (bus = pdev->bus; !pci_is_root_bus(bus); bus = bus->parent) {

1435         if (!bus->self) {

1439         if (pci_acs_path_enabled(bus->self, NULL, REQ_ACS_FLAGS)) {

1443         pdev = bus->self;

1475 /* Get the IOMMU group for device on fsl-mc bus */

1491     const struct iommu_ops *ops = dev->bus->iommu_ops;

1501 static int iommu_group_alloc_default_domain(struct bus_type *bus, struct iommu_group *group, unsigned int type)

1505     dom = iommu_domain_alloc_ext(bus, type);

1507         dom = iommu_domain_alloc_ext(bus, IOMMU_DOMAIN_DMA);

1542     return iommu_group_alloc_default_domain(dev->bus, group, type);

1550  * support common, bus-defined algorithms when determining or creating the

1557     const struct iommu_ops *ops = dev->bus->iommu_ops;

1686     const struct iommu_ops *ops = dev->bus->iommu_ops;

1712 static void probe_alloc_default_domain(struct bus_type *bus, struct iommu_group *group)

1725     iommu_group_alloc_default_domain(bus, group, gtype.type);

1775 int bus_iommu_probe(struct bus_type *bus)

1786     ret = bus_for_each_dev(bus, NULL, &group_list, probe_iommu_group);

1799         probe_alloc_default_domain(bus, group);

1822 static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops)

1834     err = bus_register_notifier(bus, nb);

1839     err = bus_iommu_probe(bus);

1848     bus_for_each_dev(bus, NULL, NULL, remove_iommu_group);

1849     bus_unregister_notifier(bus, nb);

1858  * bus_set_iommu - set iommu-callbacks for the bus

1859  * @bus: bus.

1863  * used for a particular bus. Drivers for devices on that bus can use

1866  * the bus itself, so the iommu drivers are not initialized when the bus

1870 int bus_set_iommu(struct bus_type *bus, const struct iommu_ops *ops)

1875         bus->iommu_ops = NULL;

1879     if (bus->iommu_ops != NULL) {

1883     bus->iommu_ops = ops;

1885     /* Do IOMMU specific setup for this bus-type */

1886     err = iommu_bus_init(bus, ops);

1888         bus->iommu_ops = NULL;

1895 bool iommu_present(struct bus_type *bus)

1897     return bus->iommu_ops != NULL;

1901 bool iommu_capable(struct bus_type *bus, enum iommu_cap cap)

1903     if (!bus->iommu_ops || !bus->iommu_ops->capable) {

1907     return bus->iommu_ops->capable(cap);

1932 static struct iommu_domain *iommu_domain_alloc_ext(struct bus_type *bus, unsigned type)

1936     if (bus == NULL || bus->iommu_ops == NULL) {

1940     domain = bus->iommu_ops->domain_alloc(type);

1945     domain->ops = bus->iommu_ops;

1948     domain->pgsize_bitmap = bus->iommu_ops->pgsize_bitmap;

1953 struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)

1955     return iommu_domain_alloc_ext(bus, IOMMU_DOMAIN_UNMANAGED);

2832     const struct iommu_ops *ops = dev->bus->iommu_ops;

2841     const struct iommu_ops *ops = dev->bus->iommu_ops;

2996     const struct iommu_ops *ops = dev->bus->iommu_ops;

3119     const struct iommu_ops *ops = dev->bus->iommu_ops;

3167     const struct iommu_ops *ops = dev->bus->iommu_ops;

3188     const struct iommu_ops *ops = handle->dev->bus->iommu_ops;