From e2bd45f4ca498c877a0bac8457832b02db676ae5 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Fri, 5 Aug 2022 08:36:54 +0200 Subject: [PATCH] tools/xenstore: add documentation for new set/get-feature commands Add documentation for two new Xenstore wire commands SET_FEATURE and GET_FEATURE used to set or query the Xenstore features visible in the ring page of a given domain. Signed-off-by: Juergen Gross Reviewed-by: Julien Grall --- docs/misc/xenstore.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/docs/misc/xenstore.txt b/docs/misc/xenstore.txt index 334dc8b6fd..054247c404 100644 --- a/docs/misc/xenstore.txt +++ b/docs/misc/xenstore.txt @@ -320,6 +320,23 @@ SET_TARGET || xenstored prevents the use of SET_TARGET other than by dom0. +GET_FEATURE [|] | +SET_FEATURE || + Returns or sets the contents of the "feature" field copied to + offset 2064 of the Xenstore ring page of the domain specified by + . is a decimal number being a logical or of the + feature bits as defined in docs/misc/xenstore-ring.txt. Trying + to set a bit for a feature not being supported by the running + Xenstore will be denied. Providing no with the + GET_FEATURE command will return the features which are supported + by Xenstore. + + SET_FEATURE for a domain will be rejected after the INTRODUCE + command for this domain has been sent to xenstored. + + xenstored prevents the use of GET_FEATURE and SET_FEATURE other + than by dom0. + ---------- Miscellaneous ---------- CONTROL |[|] -- 2.30.2