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- What: /sys/bus/vmbus/devices/<UUID>/id
- Date: Jul 2009
- KernelVersion: 2.6.31
- Contact: K. Y. Srinivasan <kys@microsoft.com>
- Description: The VMBus child_relid of the device's primary channel
- Users: tools/hv/lsvmbus
- What: /sys/bus/vmbus/devices/<UUID>/class_id
- Date: Jul 2009
- KernelVersion: 2.6.31
- Contact: K. Y. Srinivasan <kys@microsoft.com>
- Description: The VMBus interface type GUID of the device
- Users: tools/hv/lsvmbus
- What: /sys/bus/vmbus/devices/<UUID>/device_id
- Date: Jul 2009
- KernelVersion: 2.6.31
- Contact: K. Y. Srinivasan <kys@microsoft.com>
- Description: The VMBus interface instance GUID of the device
- Users: tools/hv/lsvmbus
- What: /sys/bus/vmbus/devices/<UUID>/channel_vp_mapping
- Date: Jul 2015
- KernelVersion: 4.2.0
- Contact: K. Y. Srinivasan <kys@microsoft.com>
- Description: The mapping of which primary/sub channels are bound to which
- Virtual Processors.
- Format: <channel's child_relid:the bound cpu's number>
- Users: tools/hv/lsvmbus
- What: /sys/bus/vmbus/devices/<UUID>/device
- Date: Dec. 2015
- KernelVersion: 4.5
- Contact: K. Y. Srinivasan <kys@microsoft.com>
- Description: The 16 bit device ID of the device
- Users: tools/hv/lsvmbus and user level RDMA libraries
- What: /sys/bus/vmbus/devices/<UUID>/vendor
- Date: Dec. 2015
- KernelVersion: 4.5
- Contact: K. Y. Srinivasan <kys@microsoft.com>
- Description: The 16 bit vendor ID of the device
- Users: tools/hv/lsvmbus and user level RDMA libraries
- What: /sys/bus/vmbus/devices/<UUID>/numa_node
- Date: Jul 2018
- KernelVersion: 4.19
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: This NUMA node to which the VMBUS device is
- attached, or -1 if the node is unknown.
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Directory for per-channel information
- NN is the VMBUS relid associtated with the channel.
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: VCPU (sub)channel is affinitized to
- Users: tools/hv/lsvmbus and other debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: VCPU (sub)channel is affinitized to
- Users: tools/hv/lsvmbus and other debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/in_mask
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Host to guest channel interrupt mask
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/latency
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Channel signaling latency
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_mask
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Guest to host channel interrupt mask
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/pending
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Channel interrupt pending state
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/read_avail
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Bytes available to read
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/write_avail
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Bytes available to write
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/events
- Date: September. 2017
- KernelVersion: 4.14
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Number of times we have signaled the host
- Users: Debugging tools
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/interrupts
- Date: September. 2017
- 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/<UUID>/channels/<N>/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/<UUID>/channels/<N>/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
- What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/ring
- Date: January. 2018
- KernelVersion: 4.16
- Contact: Stephen Hemminger <sthemmin@microsoft.com>
- Description: Binary file created by uio_hv_generic for ring buffer
- Users: Userspace drivers
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