351 	u8 devfn;		/* PCI devfn number */  member
678 						       u8 bus, u8 devfn, int alloc)  in iommu_context_addr()  argument
686 		if (devfn >= 0x80) {  in iommu_context_addr()
687 			devfn -= 0x80;  in iommu_context_addr()
690 		devfn *= 2;  in iommu_context_addr()
708 	return &context[devfn];  in iommu_context_addr()
716 static struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn)  in device_to_iommu()  argument
743 				*devfn = drhd->devices[i].devfn;  in device_to_iommu()
760 			*devfn = pdev->devfn;  in device_to_iommu()
778 static int device_context_mapped(struct intel_iommu *iommu, u8 bus, u8 devfn)  in device_context_mapped()  argument
785 	context = iommu_context_addr(iommu, bus, devfn, 0);  in device_context_mapped()
792 static void clear_context_table(struct intel_iommu *iommu, u8 bus, u8 devfn)  in clear_context_table()  argument
798 	context = iommu_context_addr(iommu, bus, devfn, 0);  in clear_context_table()
1282 			 u8 bus, u8 devfn)  in iommu_support_dev_iotlb()  argument
1298 		    info->devfn == devfn) {  in iommu_support_dev_iotlb()
1352 		sid = info->bus << 8 | info->devfn;  in iommu_flush_dev_iotlb()
1794 				      u8 bus, u8 devfn, int translation)  in domain_context_mapping_one()  argument
1804 		bus, PCI_SLOT(devfn), PCI_FUNC(devfn));  in domain_context_mapping_one()
1811 	context = iommu_context_addr(iommu, bus, devfn, 1);  in domain_context_mapping_one()
1852 		info = iommu_support_dev_iotlb(domain, iommu, bus, devfn);  in domain_context_mapping_one()
1880 					   (((u16)bus) << 8) | devfn,  in domain_context_mapping_one()
1916 	u8 bus, devfn;  in domain_context_mapping()  local
1919 	iommu = device_to_iommu(dev, &bus, &devfn);  in domain_context_mapping()
1924 		return domain_context_mapping_one(domain, iommu, bus, devfn,  in domain_context_mapping()
1946 	u8 bus, devfn;  in domain_context_mapped()  local
1948 	iommu = device_to_iommu(dev, &bus, &devfn);  in domain_context_mapped()
1953 		return device_context_mapped(iommu, bus, devfn);  in domain_context_mapped()
2119 static void iommu_detach_dev(struct intel_iommu *iommu, u8 bus, u8 devfn)  in iommu_detach_dev()  argument
2124 	clear_context_table(iommu, bus, devfn);  in iommu_detach_dev()
2150 		iommu_detach_dev(info->iommu, info->bus, info->devfn);  in domain_remove_dev_info()
2179 dmar_search_domain_by_dev_info(int segment, int bus, int devfn)  in dmar_search_domain_by_dev_info()  argument
2185 		    info->devfn == devfn)  in dmar_search_domain_by_dev_info()
2192 						int bus, int devfn,  in dmar_insert_dev_info()  argument
2205 	info->devfn = devfn;  in dmar_insert_dev_info()
2215 		info2 = dmar_search_domain_by_dev_info(iommu->segment, bus, devfn);  in dmar_insert_dev_info()
2249 	u8 bus, devfn;  in get_domain_for_dev()  local
2255 	iommu = device_to_iommu(dev, &bus, &devfn);  in get_domain_for_dev()
2309 	tmp = dmar_insert_dev_info(iommu, bus, devfn, dev, domain);  in get_domain_for_dev()
2520 	u8 bus, devfn;  in domain_add_dev_info()  local
2523 	iommu = device_to_iommu(dev, &bus, &devfn);  in domain_add_dev_info()
2527 	ndomain = dmar_insert_dev_info(iommu, bus, devfn, dev, domain);  in domain_add_dev_info()
4298 	u8 bus, devfn;  in domain_remove_one_dev_info()  local
4300 	iommu = device_to_iommu(dev, &bus, &devfn);  in domain_remove_one_dev_info()
4307 		    info->devfn == devfn) {  in domain_remove_one_dev_info()
4312 			iommu_detach_dev(iommu, info->bus, info->devfn);  in domain_remove_one_dev_info()
4408 	u8 bus, devfn;  in intel_iommu_attach_device()  local
4432 	iommu = device_to_iommu(dev, &bus, &devfn);  in intel_iommu_attach_device()
4588 	u8 bus, devfn;  in intel_iommu_add_device()  local
4590 	iommu = device_to_iommu(dev, &bus, &devfn);  in intel_iommu_add_device()
4608 	u8 bus, devfn;  in intel_iommu_remove_device()  local
4610 	iommu = device_to_iommu(dev, &bus, &devfn);  in intel_iommu_remove_device()