diff options
| -rw-r--r-- | Documentation/ABI/stable/sysfs-bus-vmbus | 14 | ||||
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 17 |
2 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-vmbus b/Documentation/ABI/stable/sysfs-bus-vmbus index b7174a5616d6..e46be65d0e1d 100644 --- a/Documentation/ABI/stable/sysfs-bus-vmbus +++ b/Documentation/ABI/stable/sysfs-bus-vmbus @@ -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 diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 5f168202755f..bc65c4d79c1f 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -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 }; |