s390/pci: add mio_enabled attribute (8e4708b3) · Commits · 戴 / test

arch/s390/pci/pci_sysfs.c

+10 −0

Original line number	Original line	Diff line number	Diff line
	@@ -37,6 +37,15 @@ zpci_attr(segment1, "0x%02x\n", pfip[1]);
	zpci_attr(segment2, "0x%02x\n", pfip[2]);		zpci_attr(segment2, "0x%02x\n", pfip[2]);
	zpci_attr(segment3, "0x%02x\n", pfip[3]);		zpci_attr(segment3, "0x%02x\n", pfip[3]);

			static ssize_t mio_enabled_show(struct device *dev,
			struct device_attribute attr, char buf)
			{
			struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));

			return sprintf(buf, zpci_use_mio(zdev) ? "1\n" : "0\n");
			}
			static DEVICE_ATTR_RO(mio_enabled);

	static ssize_t recover_store(struct device dev, struct device_attribute attr,		static ssize_t recover_store(struct device dev, struct device_attribute attr,
	const char *buf, size_t count)		const char *buf, size_t count)
	{		{
	@@ -115,6 +124,7 @@ static struct attribute *zpci_dev_attrs[] = {
	&dev_attr_vfn.attr,		&dev_attr_vfn.attr,
	&dev_attr_uid.attr,		&dev_attr_uid.attr,
	&dev_attr_recover.attr,		&dev_attr_recover.attr,
			&dev_attr_mio_enabled.attr,
	NULL,		NULL,
	};		};
	static struct attribute_group zpci_attr_group = {		static struct attribute_group zpci_attr_group = {