Documentation/ABI/stable/sysfs-bus-vmbus

   1 What:           /sys/bus/vmbus/devices/vmbus_*/id
   2 Date:           Jul 2009
   3 KernelVersion:  2.6.31
   4 Contact:        K. Y. Srinivasan <kys@microsoft.com>
   5 Description:    The VMBus child_relid of the device's primary channel
   6 Users:          tools/hv/lsvmbus
   7
   8 What:           /sys/bus/vmbus/devices/vmbus_*/class_id
   9 Date:           Jul 2009
  10 KernelVersion:  2.6.31
  11 Contact:        K. Y. Srinivasan <kys@microsoft.com>
  12 Description:    The VMBus interface type GUID of the device
  13 Users:          tools/hv/lsvmbus
  14
  15 What:           /sys/bus/vmbus/devices/vmbus_*/device_id
  16 Date:           Jul 2009
  17 KernelVersion:  2.6.31
  18 Contact:        K. Y. Srinivasan <kys@microsoft.com>
  19 Description:    The VMBus interface instance GUID of the device
  20 Users:          tools/hv/lsvmbus
  21
  22 What:           /sys/bus/vmbus/devices/vmbus_*/channel_vp_mapping
  23 Date:           Jul 2015
  24 KernelVersion:  4.2.0
  25 Contact:        K. Y. Srinivasan <kys@microsoft.com>
  26 Description:    The mapping of which primary/sub channels are bound to which
  27                 Virtual Processors.
  28                 Format: <channel's child_relid:the bound cpu's number>
  29 Users:          tools/hv/lsvmbus
  30
  31 What:           /sys/bus/vmbus/devices/vmbus_*/device
  32 Date:           Dec. 2015
  33 KernelVersion:  4.5
  34 Contact:        K. Y. Srinivasan <kys@microsoft.com>
  35 Description:    The 16 bit device ID of the device
  36 Users:          tools/hv/lsvmbus and user level RDMA libraries
  37
  38 What:           /sys/bus/vmbus/devices/vmbus_*/vendor
  39 Date:           Dec. 2015
  40 KernelVersion:  4.5
  41 Contact:        K. Y. Srinivasan <kys@microsoft.com>
  42 Description:    The 16 bit vendor ID of the device
  43 Users:          tools/hv/lsvmbus and user level RDMA libraries
  44
  45 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN
  46 Date:           September. 2017
  47 KernelVersion:  4.14
  48 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  49 Description:    Directory for per-channel information
  50                 NN is the VMBUS relid associtated with the channel.
  51
  52 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/cpu
  53 Date:           September. 2017
  54 KernelVersion:  4.14
  55 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  56 Description:    VCPU (sub)channel is affinitized to
  57 Users:          tools/hv/lsvmbus and other debugging tools
  58
  59 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/cpu
  60 Date:           September. 2017
  61 KernelVersion:  4.14
  62 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  63 Description:    VCPU (sub)channel is affinitized to
  64 Users:          tools/hv/lsvmbus and other debugging tools
  65
  66 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/in_mask
  67 Date:           September. 2017
  68 KernelVersion:  4.14
  69 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  70 Description:    Host to guest channel interrupt mask
  71 Users:          Debugging tools
  72
  73 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/latency
  74 Date:           September. 2017
  75 KernelVersion:  4.14
  76 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  77 Description:    Channel signaling latency
  78 Users:          Debugging tools
  79
  80 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/out_mask
  81 Date:           September. 2017
  82 KernelVersion:  4.14
  83 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  84 Description:    Guest to host channel interrupt mask
  85 Users:          Debugging tools
  86
  87 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/pending
  88 Date:           September. 2017
  89 KernelVersion:  4.14
  90 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  91 Description:    Channel interrupt pending state
  92 Users:          Debugging tools
  93
  94 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/read_avail
  95 Date:           September. 2017
  96 KernelVersion:  4.14
  97 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
  98 Description:    Bytes available to read
  99 Users:          Debugging tools
 100
 101 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/write_avail
 102 Date:           September. 2017
 103 KernelVersion:  4.14
 104 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
 105 Description:    Bytes available to write
 106 Users:          Debugging tools
 107
 108 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/events
 109 Date:           September. 2017
 110 KernelVersion:  4.14
 111 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
 112 Description:    Number of times we have signaled the host
 113 Users:          Debugging tools
 114
 115 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/interrupts
 116 Date:           September. 2017
 117 KernelVersion:  4.14
 118 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
 119 Description:    Number of times we have taken an interrupt (incoming)
 120 Users:          Debugging tools
 121
 122 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/subchannel_id
 123 Date:           January. 2018
 124 KernelVersion:  4.16
 125 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
 126 Description:    Subchannel ID associated with VMBUS channel
 127 Users:          Debugging tools and userspace drivers
 128
 129 What:           /sys/bus/vmbus/devices/vmbus_*/channels/NN/monitor_id
 130 Date:           January. 2018
 131 KernelVersion:  4.16
 132 Contact:        Stephen Hemminger <sthemmin@microsoft.com>
 133 Description:    Monitor bit associated with channel
 134 Users:          Debugging tools and userspace drivers