static void
cfcs_onoffline(void *arg, int online)
{
struct cfcs_softc *softc;
union ccb *ccb;
softc = (struct cfcs_softc *)arg;
mtx_lock(&softc->lock);
softc->online = online;
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
printf("%s: unable to allocate CCB for rescan\n", __func__);
goto bailout;
}
if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
cam_sim_path(softc->sim), CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
printf("%s: can't allocate path for rescan\n", __func__);
xpt_free_ccb(ccb);
goto bailout;
}
xpt_rescan(ccb);
bailout:
mtx_unlock(&softc->lock);
}
static void *
nvme_sim_new_ns(struct nvme_namespace *ns, void *sc_arg)
{
struct nvme_sim_softc *sc = sc_arg;
struct nvme_controller *ctrlr = sc->s_ctrlr;
union ccb *ccb;
mtx_lock(&ctrlr->lock);
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
printf("unable to alloc CCB for rescan\n");
return (NULL);
}
if (xpt_create_path(&ccb->ccb_h.path, /*periph*/NULL,
cam_sim_path(sc->s_sim), 0, ns->id) != CAM_REQ_CMP) {
printf("unable to create path for rescan\n");
xpt_free_ccb(ccb);
return (NULL);
}
xpt_rescan(ccb);
mtx_unlock(&ctrlr->lock);
return (ns);
}
void isci_controller_domain_discovery_complete(
struct ISCI_CONTROLLER *isci_controller, struct ISCI_DOMAIN *isci_domain)
{
if (!isci_controller->has_been_scanned)
{
/* Controller has not been scanned yet. We'll clear
* the discovery bit for this domain, then check if all bits
* are now clear. That would indicate that all domains are
* done with discovery and we can then proceed with initial
* scan.
*/
isci_controller->initial_discovery_mask &=
~(1 << isci_domain->index);
if (isci_controller->initial_discovery_mask == 0) {
struct isci_softc *driver = isci_controller->isci;
uint8_t next_index = isci_controller->index + 1;
isci_controller->has_been_scanned = TRUE;
/* Unfreeze simq to allow initial scan to proceed. */
xpt_release_simq(isci_controller->sim, TRUE);
#if __FreeBSD_version < 800000
/* When driver is loaded after boot, we need to
* explicitly rescan here for versions <8.0, because
* CAM only automatically scans new buses at boot
* time.
*/
union ccb *ccb = xpt_alloc_ccb_nowait();
xpt_create_path(&ccb->ccb_h.path, xpt_periph,
cam_sim_path(isci_controller->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
xpt_rescan(ccb);
#endif
if (next_index < driver->controller_count) {
/* There are more controllers that need to
* start. So start the next one.
*/
isci_controller_start(
&driver->controllers[next_index]);
}
else
{
/* All controllers have been started and completed discovery.
* Disestablish the config hook while will signal to the
* kernel during boot that it is safe to try to find and
* mount the root partition.
*/
config_intrhook_disestablish(
&driver->config_hook);
}
}
}
}
static void
nvme_sim_rescan_target(struct nvme_controller *ctrlr, struct cam_path *path)
{
union ccb *ccb;
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
printf("unable to alloc CCB for rescan\n");
return;
}
if (xpt_clone_path(&ccb->ccb_h.path, path) != CAM_REQ_CMP) {
printf("unable to copy path for rescan\n");
xpt_free_ccb(ccb);
return;
}
xpt_rescan(ccb);
}
static void
ata_conn_event(void *context, int dummy)
{
device_t dev = (device_t)context;
struct ata_channel *ch = device_get_softc(dev);
union ccb *ccb;
mtx_lock(&ch->state_mtx);
if (ch->sim == NULL) {
mtx_unlock(&ch->state_mtx);
return;
}
ata_reinit(dev);
if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
return;
if (xpt_create_path(&ccb->ccb_h.path, NULL,
cam_sim_path(ch->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_free_ccb(ccb);
return;
}
xpt_rescan(ccb);
mtx_unlock(&ch->state_mtx);
}
/**
* @brief This callback method informs the framework user that the remote
* device is ready and capable of processing IO requests.
*
* @param[in] controller This parameter specifies the controller object
* with which this callback is associated.
* @param[in] domain This parameter specifies the domain object with
* which this callback is associated.
* @param[in] remote_device This parameter specifies the device object with
* which this callback is associated.
*
* @return none
*/
void
scif_cb_remote_device_ready(SCI_CONTROLLER_HANDLE_T controller,
SCI_DOMAIN_HANDLE_T domain, SCI_REMOTE_DEVICE_HANDLE_T remote_device)
{
struct ISCI_REMOTE_DEVICE *isci_remote_device =
sci_object_get_association(remote_device);
struct ISCI_CONTROLLER *isci_controller =
sci_object_get_association(controller);
uint32_t device_index = isci_remote_device->index;
if (isci_controller->remote_device[device_index] == NULL) {
/* This new device is now ready, so put it in the controller's
* remote device list so it is visible to CAM.
*/
isci_controller->remote_device[device_index] =
isci_remote_device;
if (isci_controller->has_been_scanned) {
/* The sim object has been scanned at least once
* already. In that case, create a CCB to instruct
* CAM to rescan this device.
* If the sim object has not been scanned, this device
* will get scanned as part of the initial scan.
*/
union ccb *ccb = xpt_alloc_ccb_nowait();
xpt_create_path(&ccb->ccb_h.path, NULL,
cam_sim_path(isci_controller->sim),
isci_remote_device->index, CAM_LUN_WILDCARD);
xpt_rescan(ccb);
}
}
isci_remote_device_release_device_queue(isci_remote_device);
}
/**
* mpssas_SSU_to_SATA_devices
* @sc: per adapter object
*
* Looks through the target list and issues a StartStopUnit SCSI command to each
* SATA direct-access device. This helps to ensure that data corruption is
* avoided when the system is being shut down. This must be called after the IR
* System Shutdown RAID Action is sent if in IR mode.
*
* Return nothing.
*/
static void
mpssas_SSU_to_SATA_devices(struct mps_softc *sc)
{
struct mpssas_softc *sassc = sc->sassc;
union ccb *ccb;
path_id_t pathid = cam_sim_path(sassc->sim);
target_id_t targetid;
struct mpssas_target *target;
char path_str[64];
struct timeval cur_time, start_time;
/*
* For each target, issue a StartStopUnit command to stop the device.
*/
sc->SSU_started = TRUE;
sc->SSU_refcount = 0;
for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
target = &sassc->targets[targetid];
if (target->handle == 0x0) {
continue;
}
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop "
"unit.\n");
return;
}
/*
* The stop_at_shutdown flag will be set if this device is
* a SATA direct-access end device.
*/
if (target->stop_at_shutdown) {
if (xpt_create_path(&ccb->ccb_h.path,
xpt_periph, pathid, targetid,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
mps_dprint(sc, MPS_FAULT, "Unable to create "
"LUN path to stop unit.\n");
xpt_free_ccb(ccb);
return;
}
xpt_path_string(ccb->ccb_h.path, path_str,
sizeof(path_str));
mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s "
"handle %d\n", path_str, target->handle);
/*
* Issue a START STOP UNIT command for the target.
* Increment the SSU counter to be used to count the
* number of required replies.
*/
mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n");
sc->SSU_refcount++;
ccb->ccb_h.target_id =
xpt_path_target_id(ccb->ccb_h.path);
ccb->ccb_h.ppriv_ptr1 = sassc;
scsi_start_stop(&ccb->csio,
/*retries*/0,
mpssas_stop_unit_done,
MSG_SIMPLE_Q_TAG,
/*start*/FALSE,
/*load/eject*/0,
/*immediate*/FALSE,
MPS_SENSE_LEN,
/*timeout*/10000);
xpt_action(ccb);
}
}
/*
* Wait until all of the SSU commands have completed or time has
* expired (60 seconds). Pause for 100ms each time through. If any
* command times out, the target will be reset in the SCSI command
* timeout routine.
*/
getmicrotime(&start_time);
while (sc->SSU_refcount) {
pause("mpswait", hz/10);
getmicrotime(&cur_time);
if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
mps_dprint(sc, MPS_FAULT, "Time has expired waiting "
"for SSU commands to complete.\n");
break;
}
}
}
