static void
isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
{
struct cam_sim *sim;
struct ispsoftc *isp;
sim = (struct cam_sim *)cbarg;
isp = (struct ispsoftc *) cam_sim_softc(sim);
switch (code) {
case AC_LOST_DEVICE:
if (isp->isp_type & ISP_HA_SCSI) {
u_int16_t oflags, nflags;
sdparam *sdp = isp->isp_param;
int s, tgt = xpt_path_target_id(path);
s = splcam();
sdp += cam_sim_bus(sim);
isp->isp_update |= (1 << cam_sim_bus(sim));
nflags = DPARM_SAFE_DFLT;
if (ISP_FW_REVX(isp->isp_fwrev) >=
ISP_FW_REV(7, 55, 0)) {
nflags |= DPARM_NARROW | DPARM_ASYNC;
}
oflags = sdp->isp_devparam[tgt].dev_flags;
sdp->isp_devparam[tgt].dev_flags = nflags;
sdp->isp_devparam[tgt].dev_update = 1;
(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, NULL);
sdp->isp_devparam[tgt].dev_flags = oflags;
(void) splx(s);
}
break;
default:
break;
}
}
/**
* 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;
}
}
}
