[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v3 2/5] 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 <jgross@xxxxxxxx> --- V2: - remove feature bit (Julien Grall) - GET_FEATURE without domid will return Xenstore supported features (triggered by Julien Grall) V3: - clarify that guest only sees a copy of features (Julien Grall) - add remark that SET_FEATURE will be rejected after INTRODUCE of a domain (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 a3d3da0a5b..9134cb7947 100644 --- a/docs/misc/xenstore.txt +++ b/docs/misc/xenstore.txt @@ -331,6 +331,23 @@ SET_TARGET <domid>|<tdomid>| xenstored prevents the use of SET_TARGET other than by dom0. +GET_FEATURE [<domid>|] <value>| +SET_FEATURE <domid>|<value>| + Returns or sets the contents of the "feature" field copied to + offset 2064 of the Xenstore ring page of the domain specified by + <domid>. <value> 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 <domid> 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 <command>|[<parameters>|] -- 2.35.3
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