From b46f9745b1b5c8dd6ea1bd1361531f966c404f8c Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Fri, 16 Dec 2022 23:49:48 +0000 Subject: hw/xen: Implement GNTTABOP_query_size Signed-off-by: David Woodhouse Reviewed-by: Paul Durrant --- hw/i386/kvm/xen_gnttab.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'hw/i386/kvm/xen_gnttab.c') diff --git a/hw/i386/kvm/xen_gnttab.c b/hw/i386/kvm/xen_gnttab.c index b54a94e2bd..1e691ded32 100644 --- a/hw/i386/kvm/xen_gnttab.c +++ b/hw/i386/kvm/xen_gnttab.c @@ -211,3 +211,22 @@ int xen_gnttab_get_version_op(struct gnttab_get_version *get) get->version = 1; return 0; } + +int xen_gnttab_query_size_op(struct gnttab_query_size *size) +{ + XenGnttabState *s = xen_gnttab_singleton; + + if (!s) { + return -ENOTSUP; + } + + if (size->dom != DOMID_SELF && size->dom != xen_domid) { + size->status = GNTST_bad_domain; + return 0; + } + + size->status = GNTST_okay; + size->nr_frames = s->nr_frames; + size->max_nr_frames = s->max_frames; + return 0; +} -- cgit 1.4.1