int xc_perfc_query(xc_interface *xch,
struct xc_hypercall_buffer *desc,
struct xc_hypercall_buffer *val)
{
DECLARE_SYSCTL;
DECLARE_HYPERCALL_BUFFER_ARGUMENT(desc);
DECLARE_HYPERCALL_BUFFER_ARGUMENT(val);
sysctl.cmd = XEN_SYSCTL_perfc_op;
sysctl.u.perfc_op.cmd = XEN_SYSCTL_PERFCOP_query;
set_xen_guest_handle(sysctl.u.perfc_op.desc, desc);
set_xen_guest_handle(sysctl.u.perfc_op.val, val);
return do_sysctl(xch, &sysctl);
}
int gcov_sysctl(int op, struct xen_sysctl *sysctl,
struct xc_hypercall_buffer *buf, uint32_t buf_size)
{
DECLARE_HYPERCALL_BUFFER_ARGUMENT(buf);
memset(sysctl, 0, sizeof(*sysctl));
sysctl->cmd = XEN_SYSCTL_gcov_op;
sysctl->u.gcov_op.cmd = op;
sysctl->u.gcov_op.size = buf_size;
set_xen_guest_handle(sysctl->u.gcov_op.buffer, buf);
return xc_sysctl(xch, sysctl);
}
int xc_lockprof_query(xc_interface *xch,
uint32_t *n_elems,
uint64_t *time,
struct xc_hypercall_buffer *data)
{
int rc;
DECLARE_SYSCTL;
DECLARE_HYPERCALL_BUFFER_ARGUMENT(data);
sysctl.cmd = XEN_SYSCTL_lockprof_op;
sysctl.u.lockprof_op.cmd = XEN_SYSCTL_LOCKPROF_query;
sysctl.u.lockprof_op.max_elem = *n_elems;
set_xen_guest_handle(sysctl.u.lockprof_op.data, data);
rc = do_sysctl(xch, &sysctl);
*n_elems = sysctl.u.lockprof_op.nr_elem;
return rc;
}
int xc_shadow_control(xc_interface *xch,
uint32_t domid,
unsigned int sop,
xc_hypercall_buffer_t *dirty_bitmap,
unsigned long pages,
unsigned long *mb,
uint32_t mode,
xc_shadow_op_stats_t *stats)
{
int rc;
DECLARE_DOMCTL;
DECLARE_HYPERCALL_BUFFER_ARGUMENT(dirty_bitmap);
memset(&domctl, 0, sizeof(domctl));
domctl.cmd = XEN_DOMCTL_shadow_op;
domctl.domain = (domid_t)domid;
domctl.u.shadow_op.op = sop;
domctl.u.shadow_op.pages = pages;
domctl.u.shadow_op.mb = mb ? *mb : 0;
domctl.u.shadow_op.mode = mode;
if (dirty_bitmap != NULL)
set_xen_guest_handle(domctl.u.shadow_op.dirty_bitmap,
dirty_bitmap);
rc = do_domctl(xch, &domctl);
if ( stats )
memcpy(stats, &domctl.u.shadow_op.stats,
sizeof(xc_shadow_op_stats_t));
if ( mb )
*mb = domctl.u.shadow_op.mb;
return (rc == 0) ? domctl.u.shadow_op.pages : rc;
}
