void
gcpu_mca_poll_start(cmi_hdl_t hdl)
{
ASSERT(cmi_hdl_class(hdl) == CMI_HDL_SOLARIS_xVM_MCA);
/*
* We are on the boot cpu (cpu 0), called at the end of its
* multiprocessor startup.
*/
if (gcpu_xpv_poll_bankregs_sz != 0 && gcpu_xpv_virq_vect == -1) {
/*
* The hypervisor will poll MCA state for us, but it cannot
* poll MCH state so we do that via a timeout.
*/
if (gcpu_xpv_mch_poll_interval_secs != 0) {
gcpu_xpv_mch_poll_timeoutid =
timeout(gcpu_xpv_mch_poll, GCPU_XPV_MCH_POLL_REARM,
drv_usectohz(gcpu_xpv_mch_poll_interval_secs *
MICROSEC));
}
/*
* Register handler for VIRQ_MCA; once this is in place
* the hypervisor will begin to forward polled MCA observations
* to us.
*/
gcpu_xpv_virq_vect = ec_bind_virq_to_irq(VIRQ_MCA, 0);
(void) add_avintr(NULL, gcpu_xpv_virq_level,
(avfunc)gcpu_xpv_virq_intr, "MCA", gcpu_xpv_virq_vect,
NULL, NULL, NULL, NULL);
}
}
static int
evtchndrv_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
int error;
int unit = ddi_get_instance(dip);
switch (cmd) {
case DDI_ATTACH:
break;
case DDI_RESUME:
return (DDI_SUCCESS);
default:
cmn_err(CE_WARN, "evtchn_attach: unknown cmd 0x%x\n", cmd);
return (DDI_FAILURE);
}
/* DDI_ATTACH */
/*
* only one instance - but we clone using the open routine
*/
if (ddi_get_instance(dip) > 0)
return (DDI_FAILURE);
mutex_init(&evtchndrv_clone_tab_mutex, NULL, MUTEX_DRIVER,
NULL);
error = ddi_create_minor_node(dip, "evtchn", S_IFCHR, unit,
DDI_PSEUDO, NULL);
if (error != DDI_SUCCESS)
goto fail;
/*
* save dip for getinfo
*/
evtchndrv_dip = dip;
ddi_report_dev(dip);
mutex_init(&port_user_lock, NULL, MUTEX_DRIVER, NULL);
(void) memset(port_user, 0, sizeof (port_user));
ec_dev_irq = ec_dev_alloc_irq();
(void) add_avintr(NULL, IPL_EVTCHN, (avfunc)evtchn_device_upcall,
"evtchn_driver", ec_dev_irq, NULL, NULL, NULL, dip);
return (DDI_SUCCESS);
fail:
(void) evtchndrv_detach(dip, DDI_DETACH);
return (error);
}
void
xb_setup_intr(void)
{
#ifdef XPV_HVM_DRIVER
ec_bind_evtchn_to_handler(xen_info->store_evtchn, IPL_XENBUS,
xenbus_intr, NULL);
#else
xenbus_irq = ec_bind_evtchn_to_irq(xen_info->store_evtchn);
if (xenbus_irq < 0) {
cmn_err(CE_WARN, "Couldn't bind xenbus event channel");
return;
}
if (!add_avintr(NULL, IPL_XENBUS, (avfunc)xenbus_intr, "xenbus",
xenbus_irq, NULL, NULL, NULL, NULL))
cmn_err(CE_WARN, "XENBUS add intr failed\n");
#endif
}
static int
isa_intr_ops(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_op_t intr_op,
ddi_intr_handle_impl_t *hdlp, void *result)
{
struct intrspec *ispec;
#if defined(__xpv)
int cons, ttyn;
cons = console_hypervisor_dev_type(&ttyn);
#endif
if (pseudo_isa)
return (i_ddi_intr_ops(pdip, rdip, intr_op, hdlp, result));
/* Process the interrupt operation */
switch (intr_op) {
case DDI_INTROP_GETCAP:
/* First check with pcplusmp */
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_CAP, result)) {
*(int *)result = 0;
return (DDI_FAILURE);
}
break;
case DDI_INTROP_SETCAP:
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_CAP, result))
return (DDI_FAILURE);
break;
case DDI_INTROP_ALLOC:
ASSERT(hdlp->ih_type == DDI_INTR_TYPE_FIXED);
return (isa_alloc_intr_fixed(rdip, hdlp, result));
case DDI_INTROP_FREE:
ASSERT(hdlp->ih_type == DDI_INTR_TYPE_FIXED);
return (isa_free_intr_fixed(rdip, hdlp));
case DDI_INTROP_GETPRI:
if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL)
return (DDI_FAILURE);
*(int *)result = ispec->intrspec_pri;
break;
case DDI_INTROP_SETPRI:
/* Validate the interrupt priority passed to us */
if (*(int *)result > LOCK_LEVEL)
return (DDI_FAILURE);
/* Ensure that PSM is all initialized and ispec is ok */
if ((psm_intr_ops == NULL) ||
((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL))
return (DDI_FAILURE);
/* update the ispec with the new priority */
ispec->intrspec_pri = *(int *)result;
break;
case DDI_INTROP_ADDISR:
if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL)
return (DDI_FAILURE);
ispec->intrspec_func = hdlp->ih_cb_func;
break;
case DDI_INTROP_REMISR:
if (hdlp->ih_type != DDI_INTR_TYPE_FIXED)
return (DDI_FAILURE);
if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL)
return (DDI_FAILURE);
ispec->intrspec_func = (uint_t (*)()) 0;
break;
case DDI_INTROP_ENABLE:
if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL)
return (DDI_FAILURE);
/* Call psmi to translate irq with the dip */
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
#if defined(__xpv)
/*
* if the hypervisor is using an isa serial port for the
* console, make sure we don't try to use that interrupt as
* it will cause us to panic when xen_bind_pirq() fails.
*/
if (cons == CONS_TTY && ispec->intrspec_vec == asy_intrs[ttyn])
return (DDI_FAILURE);
#endif
((ihdl_plat_t *)hdlp->ih_private)->ip_ispecp = ispec;
if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_XLATE_VECTOR,
(int *)&hdlp->ih_vector) == PSM_FAILURE)
return (DDI_FAILURE);
/* Add the interrupt handler */
if (!add_avintr((void *)hdlp, ispec->intrspec_pri,
hdlp->ih_cb_func, DEVI(rdip)->devi_name, hdlp->ih_vector,
hdlp->ih_cb_arg1, hdlp->ih_cb_arg2, NULL, rdip))
return (DDI_FAILURE);
break;
case DDI_INTROP_DISABLE:
if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL)
return (DDI_FAILURE);
/* Call psm_ops() to translate irq with the dip */
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
((ihdl_plat_t *)hdlp->ih_private)->ip_ispecp = ispec;
(void) (*psm_intr_ops)(rdip, hdlp,
PSM_INTR_OP_XLATE_VECTOR, (int *)&hdlp->ih_vector);
/* Remove the interrupt handler */
rem_avintr((void *)hdlp, ispec->intrspec_pri,
hdlp->ih_cb_func, hdlp->ih_vector);
break;
case DDI_INTROP_SETMASK:
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_MASK, NULL))
return (DDI_FAILURE);
break;
case DDI_INTROP_CLRMASK:
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_CLEAR_MASK, NULL))
return (DDI_FAILURE);
break;
case DDI_INTROP_GETPENDING:
if (psm_intr_ops == NULL)
return (DDI_FAILURE);
if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_PENDING,
result)) {
*(int *)result = 0;
return (DDI_FAILURE);
}
break;
case DDI_INTROP_NAVAIL:
case DDI_INTROP_NINTRS:
*(int *)result = i_ddi_get_intx_nintrs(rdip);
if (*(int *)result == 0) {
return (DDI_FAILURE);
}
break;
case DDI_INTROP_SUPPORTED_TYPES:
*(int *)result = DDI_INTR_TYPE_FIXED; /* Always ... */
break;
default:
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
int
psm_add_intr(int lvl, avfunc xxintr, char *name, int vect, caddr_t arg)
{
return (add_avintr((void *)NULL, lvl, xxintr, name, vect,
arg, NULL, NULL, NULL));
}