| Message ID | 1498807291-3356-1-git-send-email-dongli.zhang@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Jun 30, 2017 at 03:21:30PM +0800, Dongli Zhang wrote: > This patch adds new interface for GNTTABOP_query_size in libxc to help > query the current grant table frames and maximum grant table frames for a > specific domain. > > Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> > --- > tools/libxc/include/xenctrl.h | 1 + > tools/libxc/xc_gnttab.c | 12 ++++++++++++ > 2 files changed, 13 insertions(+) > > diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h > index 1629f41..155c69e 100644 > --- a/tools/libxc/include/xenctrl.h > +++ b/tools/libxc/include/xenctrl.h > @@ -1597,6 +1597,7 @@ int xc_gnttab_op(xc_interface *xch, int cmd, > void * op, int op_size, int count); > /* Logs iff hypercall bounce fails, otherwise doesn't. */ > > +int xc_gnttab_query_size(xc_interface *xch, struct gnttab_query_size *query); > int xc_gnttab_get_version(xc_interface *xch, int domid); /* Never logs */ > grant_entry_v1_t *xc_gnttab_map_table_v1(xc_interface *xch, int domid, int *gnt_num); > grant_entry_v2_t *xc_gnttab_map_table_v2(xc_interface *xch, int domid, int *gnt_num); > diff --git a/tools/libxc/xc_gnttab.c b/tools/libxc/xc_gnttab.c > index af53fac..81a89fe 100644 > --- a/tools/libxc/xc_gnttab.c > +++ b/tools/libxc/xc_gnttab.c > @@ -38,6 +38,18 @@ int xc_gnttab_op(xc_interface *xch, int cmd, void * op, int op_size, int count) > return ret; > } > > +int xc_gnttab_query_size(xc_interface *xch, struct gnttab_query_size *query) > +{ > + int rc; > + > + rc = xc_gnttab_op(xch, GNTTABOP_query_size, query, sizeof(*query), 1); > + > + if ( rc || (query->status != GNTST_okay) ) > + ERROR("Could not query dom %d's grant size\n", query->dom); %u please. Otherwise: Acked-by: Wei Liu <wei.liu2@citrix.com>
diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h index 1629f41..155c69e 100644 --- a/tools/libxc/include/xenctrl.h +++ b/tools/libxc/include/xenctrl.h @@ -1597,6 +1597,7 @@ int xc_gnttab_op(xc_interface *xch, int cmd, void * op, int op_size, int count); /* Logs iff hypercall bounce fails, otherwise doesn't. */ +int xc_gnttab_query_size(xc_interface *xch, struct gnttab_query_size *query); int xc_gnttab_get_version(xc_interface *xch, int domid); /* Never logs */ grant_entry_v1_t *xc_gnttab_map_table_v1(xc_interface *xch, int domid, int *gnt_num); grant_entry_v2_t *xc_gnttab_map_table_v2(xc_interface *xch, int domid, int *gnt_num); diff --git a/tools/libxc/xc_gnttab.c b/tools/libxc/xc_gnttab.c index af53fac..81a89fe 100644 --- a/tools/libxc/xc_gnttab.c +++ b/tools/libxc/xc_gnttab.c @@ -38,6 +38,18 @@ int xc_gnttab_op(xc_interface *xch, int cmd, void * op, int op_size, int count) return ret; } +int xc_gnttab_query_size(xc_interface *xch, struct gnttab_query_size *query) +{ + int rc; + + rc = xc_gnttab_op(xch, GNTTABOP_query_size, query, sizeof(*query), 1); + + if ( rc || (query->status != GNTST_okay) ) + ERROR("Could not query dom %d's grant size\n", query->dom); + + return rc; +} + int xc_gnttab_get_version(xc_interface *xch, int domid) { struct gnttab_get_version query;
This patch adds new interface for GNTTABOP_query_size in libxc to help query the current grant table frames and maximum grant table frames for a specific domain. Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> --- tools/libxc/include/xenctrl.h | 1 + tools/libxc/xc_gnttab.c | 12 ++++++++++++ 2 files changed, 13 insertions(+)