1 What: /sys/bus/vmbus/hibernation !! 1 What: /sys/bus/vmbus/devices/vmbus_*/id
2 Date: Jan 2021 <<
3 KernelVersion: 5.12 <<
4 Contact: Dexuan Cui <decui@microsoft.com <<
5 Description: Whether the host supports hibe <<
6 Users: Daemon that sets up swap parti <<
7 <<
8 What: /sys/bus/vmbus/devices/<UUID>/ <<
9 Date: Jul 2009 2 Date: Jul 2009
10 KernelVersion: 2.6.31 3 KernelVersion: 2.6.31
11 Contact: K. Y. Srinivasan <kys@microsoft 4 Contact: K. Y. Srinivasan <kys@microsoft.com>
12 Description: The VMBus child_relid of the d 5 Description: The VMBus child_relid of the device's primary channel
13 Users: tools/hv/lsvmbus 6 Users: tools/hv/lsvmbus
14 7
15 What: /sys/bus/vmbus/devices/<UUID>/ !! 8 What: /sys/bus/vmbus/devices/vmbus_*/class_id
16 Date: Jul 2009 9 Date: Jul 2009
17 KernelVersion: 2.6.31 10 KernelVersion: 2.6.31
18 Contact: K. Y. Srinivasan <kys@microsoft 11 Contact: K. Y. Srinivasan <kys@microsoft.com>
19 Description: The VMBus interface type GUID 12 Description: The VMBus interface type GUID of the device
20 Users: tools/hv/lsvmbus 13 Users: tools/hv/lsvmbus
21 14
22 What: /sys/bus/vmbus/devices/<UUID>/ !! 15 What: /sys/bus/vmbus/devices/vmbus_*/device_id
23 Date: Jul 2009 16 Date: Jul 2009
24 KernelVersion: 2.6.31 17 KernelVersion: 2.6.31
25 Contact: K. Y. Srinivasan <kys@microsoft 18 Contact: K. Y. Srinivasan <kys@microsoft.com>
26 Description: The VMBus interface instance G 19 Description: The VMBus interface instance GUID of the device
27 Users: tools/hv/lsvmbus 20 Users: tools/hv/lsvmbus
28 21
29 What: /sys/bus/vmbus/devices/<UUID>/ !! 22 What: /sys/bus/vmbus/devices/vmbus_*/channel_vp_mapping
30 Date: Jul 2015 23 Date: Jul 2015
31 KernelVersion: 4.2.0 24 KernelVersion: 4.2.0
32 Contact: K. Y. Srinivasan <kys@microsoft 25 Contact: K. Y. Srinivasan <kys@microsoft.com>
33 Description: The mapping of which primary/s 26 Description: The mapping of which primary/sub channels are bound to which
34 Virtual Processors. 27 Virtual Processors.
35 Format: <channel's child_relid 28 Format: <channel's child_relid:the bound cpu's number>
36 Users: tools/hv/lsvmbus 29 Users: tools/hv/lsvmbus
37 30
38 What: /sys/bus/vmbus/devices/<UUID>/ !! 31 What: /sys/bus/vmbus/devices/vmbus_*/device
39 Date: Dec. 2015 32 Date: Dec. 2015
40 KernelVersion: 4.5 33 KernelVersion: 4.5
41 Contact: K. Y. Srinivasan <kys@microsoft 34 Contact: K. Y. Srinivasan <kys@microsoft.com>
42 Description: The 16 bit device ID of the de 35 Description: The 16 bit device ID of the device
43 Users: tools/hv/lsvmbus and user leve 36 Users: tools/hv/lsvmbus and user level RDMA libraries
44 37
45 What: /sys/bus/vmbus/devices/<UUID>/ !! 38 What: /sys/bus/vmbus/devices/vmbus_*/vendor
46 Date: Dec. 2015 39 Date: Dec. 2015
47 KernelVersion: 4.5 40 KernelVersion: 4.5
48 Contact: K. Y. Srinivasan <kys@microsoft 41 Contact: K. Y. Srinivasan <kys@microsoft.com>
49 Description: The 16 bit vendor ID of the de 42 Description: The 16 bit vendor ID of the device
50 Users: tools/hv/lsvmbus and user leve 43 Users: tools/hv/lsvmbus and user level RDMA libraries
51 44
52 What: /sys/bus/vmbus/devices/<UUID>/ !! 45 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/cpu
53 Date: Jul 2018 <<
54 KernelVersion: 4.19 <<
55 Contact: Stephen Hemminger <sthemmin@mic <<
56 Description: This NUMA node to which the VM <<
57 attached, or -1 if the node is <<
58 <<
59 What: /sys/bus/vmbus/devices/<UUID>/ <<
60 Date: September. 2017 46 Date: September. 2017
61 KernelVersion: 4.14 47 KernelVersion: 4.14
62 Contact: Stephen Hemminger <sthemmin@mic 48 Contact: Stephen Hemminger <sthemmin@microsoft.com>
63 Description: Directory for per-channel info !! 49 Description: VCPU (sub)channel is affinitized to
64 NN is the VMBUS relid associat !! 50 Users: tools/hv/lsvmbus and other debuggig tools
65 51
66 What: /sys/bus/vmbus/devices/<UUID>/ !! 52 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/cpu
67 Date: September. 2017 53 Date: September. 2017
68 KernelVersion: 4.14 54 KernelVersion: 4.14
69 Contact: Stephen Hemminger <sthemmin@mic 55 Contact: Stephen Hemminger <sthemmin@microsoft.com>
70 Description: VCPU (sub)channel is affinitiz 56 Description: VCPU (sub)channel is affinitized to
71 Users: tools/hv/lsvmbus and other deb !! 57 Users: tools/hv/lsvmbus and other debuggig tools
72 58
73 What: /sys/bus/vmbus/devices/<UUID>/ !! 59 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/in_mask
74 Date: September. 2017 60 Date: September. 2017
75 KernelVersion: 4.14 61 KernelVersion: 4.14
76 Contact: Stephen Hemminger <sthemmin@mic 62 Contact: Stephen Hemminger <sthemmin@microsoft.com>
77 Description: Host to guest channel interrup !! 63 Description: Inbound channel signaling state
78 Users: Debugging tools 64 Users: Debugging tools
79 65
80 What: /sys/bus/vmbus/devices/<UUID>/ !! 66 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/latency
81 Date: September. 2017 67 Date: September. 2017
82 KernelVersion: 4.14 68 KernelVersion: 4.14
83 Contact: Stephen Hemminger <sthemmin@mic 69 Contact: Stephen Hemminger <sthemmin@microsoft.com>
84 Description: Channel signaling latency. Thi !! 70 Description: Channel signaling latency
85 performance critical channels <<
86 the monitor page mechanism. <<
87 Users: Debugging tools 71 Users: Debugging tools
88 72
89 What: /sys/bus/vmbus/devices/<UUID>/ !! 73 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/out_mask
90 Date: September. 2017 74 Date: September. 2017
91 KernelVersion: 4.14 75 KernelVersion: 4.14
92 Contact: Stephen Hemminger <sthemmin@mic 76 Contact: Stephen Hemminger <sthemmin@microsoft.com>
93 Description: Guest to host channel interrup !! 77 Description: Outbound channel signaling state
94 Users: Debugging tools 78 Users: Debugging tools
95 79
96 What: /sys/bus/vmbus/devices/<UUID>/ !! 80 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/pending
97 Date: September. 2017 81 Date: September. 2017
98 KernelVersion: 4.14 82 KernelVersion: 4.14
99 Contact: Stephen Hemminger <sthemmin@mic 83 Contact: Stephen Hemminger <sthemmin@microsoft.com>
100 Description: Channel interrupt pending stat !! 84 Description: Channel interrupt pending state
101 performance critical channels <<
102 the monitor page mechanism. <<
103 Users: Debugging tools 85 Users: Debugging tools
104 86
105 What: /sys/bus/vmbus/devices/<UUID>/ !! 87 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/read_avail
106 Date: September. 2017 88 Date: September. 2017
107 KernelVersion: 4.14 89 KernelVersion: 4.14
108 Contact: Stephen Hemminger <sthemmin@mic 90 Contact: Stephen Hemminger <sthemmin@microsoft.com>
109 Description: Bytes available to read !! 91 Description: Bytes availabble to read
110 Users: Debugging tools 92 Users: Debugging tools
111 93
112 What: /sys/bus/vmbus/devices/<UUID>/ !! 94 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/write_avail
113 Date: September. 2017 95 Date: September. 2017
114 KernelVersion: 4.14 96 KernelVersion: 4.14
115 Contact: Stephen Hemminger <sthemmin@mic 97 Contact: Stephen Hemminger <sthemmin@microsoft.com>
116 Description: Bytes available to write !! 98 Description: Bytes availabble to write
117 Users: Debugging tools 99 Users: Debugging tools
118 100
119 What: /sys/bus/vmbus/devices/<UUID>/ !! 101 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/events
120 Date: September. 2017 102 Date: September. 2017
121 KernelVersion: 4.14 103 KernelVersion: 4.14
122 Contact: Stephen Hemminger <sthemmin@mic 104 Contact: Stephen Hemminger <sthemmin@microsoft.com>
123 Description: Number of times we have signal 105 Description: Number of times we have signaled the host
124 Users: Debugging tools 106 Users: Debugging tools
125 107
126 What: /sys/bus/vmbus/devices/<UUID>/ !! 108 What: /sys/bus/vmbus/devices/vmbus_*/channels/relid/interrupts
127 Date: September. 2017 109 Date: September. 2017
128 KernelVersion: 4.14 110 KernelVersion: 4.14
129 Contact: Stephen Hemminger <sthemmin@mic 111 Contact: Stephen Hemminger <sthemmin@microsoft.com>
130 Description: Number of times we have taken 112 Description: Number of times we have taken an interrupt (incoming)
131 Users: Debugging tools 113 Users: Debugging tools
132 <<
133 What: /sys/bus/vmbus/devices/<UUID>/ <<
134 Date: January. 2018 <<
135 KernelVersion: 4.16 <<
136 Contact: Stephen Hemminger <sthemmin@mic <<
137 Description: Subchannel ID associated with <<
138 Users: Debugging tools and userspace <<
139 <<
140 What: /sys/bus/vmbus/devices/<UUID>/ <<
141 Date: January. 2018 <<
142 KernelVersion: 4.16 <<
143 Contact: Stephen Hemminger <sthemmin@mic <<
144 Description: Monitor bit associated with ch <<
145 for performance critical chann <<
146 use the monitor page mechanism <<
147 Users: Debugging tools and userspace <<
148 <<
149 What: /sys/bus/vmbus/devices/<UUID>/ <<
150 Date: January. 2018 <<
151 KernelVersion: 4.16 <<
152 Contact: Stephen Hemminger <sthemmin@mic <<
153 Description: Binary file created by uio_hv_ <<
154 Users: Userspace drivers <<
155 <<
156 What: /sys/bus/vmbus/devices/<UUID>/ <<
157 Date: February 2019 <<
158 KernelVersion: 5.0 <<
159 Contact: Michael Kelley <mikelley@micros <<
160 Description: Number of guest to host interr <<
161 buffer transitioning from full <<
162 waiting for buffer space to be <<
163 Users: Debugging tools <<
164 <<
165 What: /sys/bus/vmbus/devices/<UUID>/ <<
166 Date: February 2019 <<
167 KernelVersion: 5.0 <<
168 Contact: Michael Kelley <mikelley@micros <<
169 Description: Number of guest to host interr <<
170 buffer transitioning from empt <<
171 Users: Debugging tools <<
172 <<
173 What: /sys/bus/vmbus/devices/<UUID>/ <<
174 Date: February 2019 <<
175 KernelVersion: 5.0 <<
176 Contact: Michael Kelley <mikelley@micros <<
177 Description: Number of write operations tha <<
178 outbound ring buffer full cond <<
179 Users: Debugging tools <<
180 <<
181 What: /sys/bus/vmbus/devices/<UUID>/ <<
182 Date: February 2019 <<
183 KernelVersion: 5.0 <<
184 Contact: Michael Kelley <mikelley@micros <<
185 Description: Total number of write operatio <<
186 ring buffer full condition <<
187 Users: Debugging tools <<
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