int xc_flask_op(xc_interface *xch, xen_flask_op_t *op)
{
int ret = -1;
DECLARE_HYPERCALL_BOUNCE(op, sizeof(*op), XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
op->interface_version = XEN_FLASK_INTERFACE_VERSION;
if ( xc_hypercall_bounce_pre(xch, op) )
{
PERROR("Could not bounce memory for flask op hypercall");
goto out;
}
ret = xencall1(xch->xcall, __HYPERVISOR_xsm_op,
HYPERCALL_BUFFER_AS_ARG(op));
if ( ret < 0 )
{
if ( errno == EACCES )
fprintf(stderr, "XSM operation failed!\n");
}
xc_hypercall_bounce_post(xch, op);
out:
return ret;
}
int xc_mca_op(xc_interface *xch, struct xen_mc *mc)
{
int ret = 0;
DECLARE_HYPERCALL_BOUNCE(mc, sizeof(*mc), XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
if ( xc_hypercall_bounce_pre(xch, mc) )
{
PERROR("Could not bounce xen_mc memory buffer");
return -1;
}
mc->interface_version = XEN_MCA_INTERFACE_VERSION;
ret = xencall1(xch->xcall, __HYPERVISOR_mca,
HYPERCALL_BUFFER_AS_ARG(mc));
xc_hypercall_bounce_post(xch, mc);
return ret;
}
static int do_tmem_op(xc_interface *xch, tmem_op_t *op)
{
int ret;
DECLARE_HYPERCALL_BOUNCE(op, sizeof(*op), XC_HYPERCALL_BUFFER_BOUNCE_BOTH);
if ( xc_hypercall_bounce_pre(xch, op) )
{
PERROR("Could not bounce buffer for tmem op hypercall");
return -EFAULT;
}
ret = xencall1(xch->xcall, __HYPERVISOR_tmem_op,
HYPERCALL_BUFFER_AS_ARG(op));
if ( ret < 0 )
{
if ( errno == EACCES )
DPRINTF("tmem operation failed -- need to"
" rebuild the user-space tool set?\n");
}
xc_hypercall_bounce_post(xch, op);
return ret;
}
int
HYPERVISOR_fpu_taskswitch(void)
{
return xencall1(__HYPERVISOR_fpu_taskswitch);
}
