/****************************************************************************
* (C) 2006 - Emmanuel Ackaouy - XenSource Inc.
****************************************************************************
*
* File: xc_csched.c
* Author: Emmanuel Ackaouy
*
* Description: XC Interface to the credit scheduler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xc_private.h"
int
xc_sched_credit_domain_set(
xc_interface *xch,
uint32_t domid,
struct xen_domctl_sched_credit *sdom)
{
DECLARE_DOMCTL;
domctl.cmd = XEN_DOMCTL_scheduler_op;
domctl.domain = (domid_t) domid;
domctl.u.scheduler_op.sched_id = XEN_SCHEDULER_CREDIT;
domctl.u.scheduler_op.cmd = XEN_DOMCTL_SCHEDOP_putinfo;
domctl.u.scheduler_op.u.credit = *sdom;
return do_domctl(xch, &domctl);
}
int
xc_sched_credit_domain_get(
xc_interface *xch,
uint32_t domid,
struct xen_domctl_sched_credit *sdom)
{
DECLARE_DOMCTL;
int err;
domctl.cmd = XEN_DOMCTL_scheduler_op;
domctl.domain = (domid_t) domid;
domctl.u.scheduler_op.sched_id = XEN_SCHEDULER_CREDIT;
domctl.u.scheduler_op.cmd = XEN_DOMCTL_SCHEDOP_getinfo;
err = do_domctl(xch, &domctl);
if ( err == 0 )
*sdom = domctl.u.scheduler_op.u.credit;
return err;
}
int
xc_sched_credit_params_set(
xc_interface *xch,
uint32_t cpupool_id,
struct xen_sysctl_credit_schedule *schedule)
{
int rc;
DECLARE_SYSCTL;
sysctl.cmd = XEN_SYSCTL_scheduler_op;
sysctl.u.scheduler_op.cpupool_id = cpupool_id;
sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_CREDIT;
sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_putinfo;
sysctl.u.scheduler_op.u.sched_credit = *schedule;
rc = do_sysctl(xch, &sysctl);
*schedule = sysctl.u.scheduler_op.u.sched_credit;
return rc;
}
int
xc_sched_credit_params_get(
xc_interface *xch,
uint32_t cpupool_id,
struct xen_sysctl_credit_schedule *schedule)
{
int rc;
DECLARE_SYSCTL;
sysctl.cmd = XEN_SYSCTL_scheduler_op;
sysctl.u.scheduler_op.cpupool_id = cpupool_id;
sysctl.u.scheduler_op.sched_id = XEN_SCHEDULER_CREDIT;
sysctl.u.scheduler_op.cmd = XEN_SYSCTL_SCHEDOP_getinfo;
rc = do_sysctl(xch, &sysctl);
*schedule = sysctl.u.scheduler_op.u.sched_credit;
return rc;
}
