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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] docs: document ~/control/sysrq
Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
docs/misc/xenstore-paths.markdown | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/docs/misc/xenstore-paths.markdown
b/docs/misc/xenstore-paths.markdown
index 60c8b3fbe5..33d281915c 100644
--- a/docs/misc/xenstore-paths.markdown
+++ b/docs/misc/xenstore-paths.markdown
@@ -410,6 +410,14 @@ by udev ("0") or will be run by the toolstack directly
("1").
### Platform Feature and Control Paths
+#### ~/control/sysrq = (""|COMMAND) [w]
+
+This is the PV SysRq control node. A toolstack can write a single character
+representing a magic SysRq key understood by the Linux kernel. The guest
+acknowledges a request by writing the empty string back to the command node.
+
+This protocol is Linux only.
+
#### ~/control/shutdown = (""|COMMAND) [w]
This is the PV shutdown control node. A toolstack can write various
--
2.11.0
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