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/******************************************************************************
* xc_bvtsched.c
*
* API for manipulating parameters of the Borrowed Virtual Time scheduler.
*
* Copyright (c) 2003, K A Fraser.
*/
#include "xc_private.h"
int xc_bvtsched_global_set(int xc_handle,
unsigned long ctx_allow)
{
dom0_op_t op;
op.cmd = DOM0_SCHEDCTL;
op.u.schedctl.sched_id = SCHED_BVT;
op.u.schedctl.direction = SCHED_INFO_PUT;
op.u.schedctl.u.bvt.ctx_allow = ctx_allow;
return do_dom0_op(xc_handle, &op);
}
int xc_bvtsched_global_get(int xc_handle,
unsigned long *ctx_allow)
{
dom0_op_t op;
int ret;
op.cmd = DOM0_SCHEDCTL;
op.u.schedctl.sched_id = SCHED_BVT;
op.u.schedctl.direction = SCHED_INFO_GET;
ret = do_dom0_op(xc_handle, &op);
*ctx_allow = op.u.schedctl.u.bvt.ctx_allow;
return ret;
}
int xc_bvtsched_domain_set(int xc_handle,
u32 domid,
unsigned long mcuadv,
unsigned long warp,
unsigned long warpl,
unsigned long warpu)
{
dom0_op_t op;
struct bvt_adjdom *bvtadj = &op.u.adjustdom.u.bvt;
op.cmd = DOM0_ADJUSTDOM;
op.u.adjustdom.domain = (domid_t)domid;
op.u.adjustdom.sched_id = SCHED_BVT;
op.u.adjustdom.direction = SCHED_INFO_PUT;
bvtadj->mcu_adv = mcuadv;
bvtadj->warp = warp;
bvtadj->warpl = warpl;
bvtadj->warpu = warpu;
return do_dom0_op(xc_handle, &op);
}
int xc_bvtsched_domain_get(int xc_handle,
u32 domid,
unsigned long *mcuadv,
unsigned long *warp,
unsigned long *warpl,
unsigned long *warpu)
{
dom0_op_t op;
int ret;
struct bvt_adjdom *adjptr = &op.u.adjustdom.u.bvt;
op.cmd = DOM0_ADJUSTDOM;
op.u.adjustdom.domain = (domid_t)domid;
op.u.adjustdom.sched_id = SCHED_BVT;
op.u.adjustdom.direction = SCHED_INFO_GET;
ret = do_dom0_op(xc_handle, &op);
*mcuadv = adjptr->mcu_adv;
*warp = adjptr->warp;
*warpl = adjptr->warpl;
*warpu = adjptr->warpu;
return ret;
}
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