1081 static int vfio_ext_cap_len(struct vfio_pci_device *vdev, u16 ecap, u16 epos)  in vfio_ext_cap_len()  argument
1090 		ret = pci_read_config_dword(pdev, epos + PCI_VSEC_HDR, &dword);  in vfio_ext_cap_len()
1098 		return vfio_vc_cap_len(vdev, epos);  in vfio_ext_cap_len()
1100 		ret = pci_read_config_byte(pdev, epos + PCI_ACS_CAP, &byte);  in vfio_ext_cap_len()
1108 						   epos + PCI_ACS_EGRESS_BITS,  in vfio_ext_cap_len()
1119 		ret = pci_read_config_byte(pdev, epos + PCI_REBAR_CTRL, &byte);  in vfio_ext_cap_len()
1128 		ret = pci_read_config_byte(pdev, epos + PCI_DPA_CAP, &byte);  in vfio_ext_cap_len()
1135 		ret = pci_read_config_dword(pdev, epos + PCI_TPH_CAP, &dword);  in vfio_ext_cap_len()
1149 			dev_name(&pdev->dev), __func__, ecap, epos);  in vfio_ext_cap_len()
1290 	u16 epos;  in vfio_ecap_init()  local
1297 	epos = PCI_CFG_SPACE_SIZE;  in vfio_ecap_init()
1301 	while (loops-- && epos >= PCI_CFG_SPACE_SIZE) {  in vfio_ecap_init()
1307 		ret = pci_read_config_dword(pdev, epos, &header);  in vfio_ecap_init()
1316 				len = vfio_ext_cap_len(vdev, ecap, epos);  in vfio_ecap_init()
1324 				__func__, dev_name(&pdev->dev), ecap, epos);  in vfio_ecap_init()
1328 				u32 val = epos = PCI_EXT_CAP_NEXT(header);  in vfio_ecap_init()
1343 			if (likely(map[epos + i] == PCI_CAP_ID_INVALID))  in vfio_ecap_init()
1348 				epos + i, map[epos + i], ecap);  in vfio_ecap_init()
1358 		memset(map + epos, ecap, len);  in vfio_ecap_init()
1359 		ret = vfio_fill_vconfig_bytes(vdev, epos, len);  in vfio_ecap_init()
1370 			*(__le32 *)&vdev->vconfig[epos] &=  in vfio_ecap_init()
1375 		prev = (__le32 *)&vdev->vconfig[epos];  in vfio_ecap_init()
1376 		epos = PCI_EXT_CAP_NEXT(header);  in vfio_ecap_init()