summaryrefslogtreecommitdiff
path: root/Documentation/ABI/stable/sysfs-bus-vmbus
blob: e46be65d0e1d2fd3525111f8670d79d37dc39e53 (plain)
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
What:		/sys/bus/vmbus/devices/vmbus_*/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/vmbus_*/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/vmbus_*/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/vmbus_*/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/vmbus_*/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/vmbus_*/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/vmbus_*/channels/NN
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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/vmbus_*/channels/NN/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/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