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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/s390/pci/pci_sysfs.c
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@@ -33,11 +33,21 @@
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 zpci_attr(pfgid, "0x%02x\n", pfgid);
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 zpci_attr(vfn, "0x%04x\n", vfn);
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 zpci_attr(pft, "0x%02x\n", pft);
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+zpci_attr(port, "%d\n", port);
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 zpci_attr(uid, "0x%x\n", uid);
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 zpci_attr(segment0, "0x%02x\n", pfip[0]);
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 zpci_attr(segment1, "0x%02x\n", pfip[1]);
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 zpci_attr(segment2, "0x%02x\n", pfip[2]);
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 zpci_attr(segment3, "0x%02x\n", pfip[3]);
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+
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+static ssize_t mio_enabled_show(struct device *dev,
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+				struct device_attribute *attr, char *buf)
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+{
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+	struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
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+
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+	return sprintf(buf, zpci_use_mio(zdev) ? "1\n" : "0\n");
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+}
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+static DEVICE_ATTR_RO(mio_enabled);
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 static ssize_t recover_store(struct device *dev, struct device_attribute *attr,
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 			     const char *buf, size_t count)
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@@ -79,7 +89,7 @@
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 		ret = zpci_enable_device(zdev);
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 		if (ret)
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 			goto out;
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-		pci_rescan_bus(zdev->bus);
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+		pci_rescan_bus(zdev->zbus->bus);
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 	}
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 out:
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 	pci_unlock_rescan_remove();
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@@ -133,9 +143,11 @@
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 	&dev_attr_pchid.attr,
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 	&dev_attr_pfgid.attr,
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 	&dev_attr_pft.attr,
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+	&dev_attr_port.attr,
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 	&dev_attr_vfn.attr,
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 	&dev_attr_uid.attr,
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 	&dev_attr_recover.attr,
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+	&dev_attr_mio_enabled.attr,
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 	NULL,
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 };
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 static struct attribute_group zpci_attr_group = {