vmbus: add monitor_id and subchannel_id to sysfs per channel (f0fa2974) · Commits · 戴 / test

Documentation/ABI/stable/sysfs-bus-vmbus

+14 −0

Original line number	Diff line number	Diff line
		@@ -118,3 +118,17 @@ KernelVersion: 4.14
		Contact: Stephen Hemminger <sthemmin@microsoft.com>
		Description: Number of times we have taken an interrupt (incoming)
		Users: Debugging tools

		What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/subchannel_id
		Date: January. 2018
		KernelVersion: 4.16
		Contact: Stephen Hemminger <sthemmin@microsoft.com>
		Description: Subchannel ID associated with VMBUS channel
		Users: Debugging tools and userspace drivers

		What: /sys/bus/vmbus/devices/vmbus_*/channels/NN/monitor_id
		Date: January. 2018
		KernelVersion: 4.16
		Contact: Stephen Hemminger <sthemmin@microsoft.com>
		Description: Monitor bit associated with channel
		Users: Debugging tools and userspace drivers

+17 −0

Original line number	Diff line number	Diff line
		@@ -1254,6 +1254,21 @@ static ssize_t channel_events_show(const struct vmbus_channel channel, char bu
		}
		static VMBUS_CHAN_ATTR(events, S_IRUGO, channel_events_show, NULL);

		static ssize_t subchannel_monitor_id_show(const struct vmbus_channel *channel,
		char *buf)
		{
		return sprintf(buf, "%u\n", channel->offermsg.monitorid);
		}
		static VMBUS_CHAN_ATTR(monitor_id, S_IRUGO, subchannel_monitor_id_show, NULL);

		static ssize_t subchannel_id_show(const struct vmbus_channel *channel,
		char *buf)
		{
		return sprintf(buf, "%u\n",
		channel->offermsg.offer.sub_channel_index);
		}
		static VMBUS_CHAN_ATTR_RO(subchannel_id);

		static struct attribute *vmbus_chan_attrs[] = {
		&chan_attr_out_mask.attr,
		&chan_attr_in_mask.attr,
		@@ -1264,6 +1279,8 @@ static struct attribute *vmbus_chan_attrs[] = {
		&chan_attr_latency.attr,
		&chan_attr_interrupts.attr,
		&chan_attr_events.attr,
		&chan_attr_monitor_id.attr,
		&chan_attr_subchannel_id.attr,
		NULL
		};