1303 static int vfio_ext_cap_len(struct vfio_pci_device *vdev, u16 ecap, u16 epos)  in vfio_ext_cap_len()  argument
1312 		ret = pci_read_config_dword(pdev, epos + PCI_VSEC_HDR, &dword);  in vfio_ext_cap_len()
1320 		return vfio_vc_cap_len(vdev, epos);  in vfio_ext_cap_len()
1322 		ret = pci_read_config_byte(pdev, epos + PCI_ACS_CAP, &byte);  in vfio_ext_cap_len()
1330 						   epos + PCI_ACS_EGRESS_BITS,  in vfio_ext_cap_len()
1341 		ret = pci_read_config_byte(pdev, epos + PCI_REBAR_CTRL, &byte);  in vfio_ext_cap_len()
1350 		ret = pci_read_config_byte(pdev, epos + PCI_DPA_CAP, &byte);  in vfio_ext_cap_len()
1357 		ret = pci_read_config_dword(pdev, epos + PCI_TPH_CAP, &dword);  in vfio_ext_cap_len()
1371 			dev_name(&pdev->dev), __func__, ecap, epos);  in vfio_ext_cap_len()
1514 	u16 epos;  in vfio_ecap_init()  local
1521 	epos = PCI_CFG_SPACE_SIZE;  in vfio_ecap_init()
1525 	while (loops-- && epos >= PCI_CFG_SPACE_SIZE) {  in vfio_ecap_init()
1531 		ret = pci_read_config_dword(pdev, epos, &header);  in vfio_ecap_init()
1540 				len = vfio_ext_cap_len(vdev, ecap, epos);  in vfio_ecap_init()
1548 				__func__, dev_name(&pdev->dev), ecap, epos);  in vfio_ecap_init()
1552 				u32 val = epos = PCI_EXT_CAP_NEXT(header);  in vfio_ecap_init()
1567 			if (likely(map[epos + i] == PCI_CAP_ID_INVALID))  in vfio_ecap_init()
1572 				epos + i, map[epos + i], ecap);  in vfio_ecap_init()
1582 		memset(map + epos, ecap, len);  in vfio_ecap_init()
1583 		ret = vfio_fill_vconfig_bytes(vdev, epos, len);  in vfio_ecap_init()
1594 			*(__le32 *)&vdev->vconfig[epos] &=  in vfio_ecap_init()
1599 		prev = (__le32 *)&vdev->vconfig[epos];  in vfio_ecap_init()
1600 		epos = PCI_EXT_CAP_NEXT(header);  in vfio_ecap_init()