blob: c27b7b89477ce7778e3b4af0bcc3a36637bfd489 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
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>/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. This file is available only for
performance critical channels (storage, network, etc.) that use
the monitor page mechanism.
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. This file is available only for
performance critical channels (storage, network, etc.) that use
the monitor page mechanism.
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. This file is available only
for performance critical channels (storage, network, etc.) that
use the monitor page mechanism.
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
What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/intr_in_full
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Number of guest to host interrupts caused by the inbound ring
buffer transitioning from full to not full while a packet is
waiting for buffer space to become available
Users: Debugging tools
What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/intr_out_empty
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Number of guest to host interrupts caused by the outbound ring
buffer transitioning from empty to not empty
Users: Debugging tools
What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_full_first
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Number of write operations that were the first to encounter an
outbound ring buffer full condition
Users: Debugging tools
What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_full_total
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Total number of write operations that encountered an outbound
ring buffer full condition
Users: Debugging tools
|
