Differential D10878 Diff 28811 head/sys/dev/mps/mps_sas.c

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head/sys/dev/mps/mps_sas.c

Show First 20 Lines • Show All 727 Lines • ▼ Show 20 Lines	mps_attach_sas(struct mps_softc *sc)
}		}

/*		/*
* XXX MaxTargets could change during a reinit. Since we don't		* XXX MaxTargets could change during a reinit. Since we don't
* resize the targets[] array during such an event, cache the value		* resize the targets[] array during such an event, cache the value
* of MaxTargets here so that we don't get into trouble later. This		* of MaxTargets here so that we don't get into trouble later. This
* should move into the reinit logic.		* should move into the reinit logic.
*/		*/
sassc->maxtargets = sc->facts->MaxTargets;		sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes;
sassc->targets = malloc(sizeof(struct mpssas_target) *		sassc->targets = malloc(sizeof(struct mpssas_target) *
sassc->maxtargets, M_MPT2, M_WAITOK\|M_ZERO);		sassc->maxtargets, M_MPT2, M_WAITOK\|M_ZERO);
if(!sassc->targets) {		if(!sassc->targets) {
device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n",		device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n",
__func__, __LINE__);		__func__, __LINE__);
free(sassc, M_MPT2);		free(sassc, M_MPT2);
return (ENOMEM);		return (ENOMEM);
}		}
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{		{
struct mps_softc *sc = sassc->sc;		struct mps_softc *sc = sassc->sc;

MPS_FUNCTRACE(sc);		MPS_FUNCTRACE(sc);

if (sassc->flags & MPSSAS_DISCOVERY_TIMEOUT_PENDING)		if (sassc->flags & MPSSAS_DISCOVERY_TIMEOUT_PENDING)
callout_stop(&sassc->discovery_callout);		callout_stop(&sassc->discovery_callout);

		/*
		* After discovery has completed, check the mapping table for any
		* missing devices and update their missing counts. Only do this once
		* whenever the driver is initialized so that missing counts aren't
		* updated unnecessarily. Note that just because discovery has
		* completed doesn't mean that events have been processed yet. The
		* check_devices function is a callout timer that checks if ALL devices
		* are missing. If so, it will wait a little longer for events to
		* complete and keep resetting itself until some device in the mapping
		* table is not missing, meaning that event processing has started.
		*/
		if (sc->track_mapping_events) {
		mps_dprint(sc, MPS_XINFO \| MPS_MAPPING, "Discovery has "
		"completed. Check for missing devices in the mapping "
		"table.\n");
		callout_reset(&sc->device_check_callout,
		MPS_MISSING_CHECK_DELAY * hz, mps_mapping_check_devices,
		sc);
}		}
		}

static void		static void
mpssas_action(struct cam_sim sim, union ccb ccb)		mpssas_action(struct cam_sim sim, union ccb ccb)
{		{
struct mpssas_softc *sassc;		struct mpssas_softc *sassc;

sassc = cam_sim_softc(sim);		sassc = cam_sim_softc(sim);

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#if __FreeBSD_version >= 1000039		#if __FreeBSD_version >= 1000039
cpi->hba_misc = PIM_NOBUSRESET \| PIM_UNMAPPED \| PIM_NOSCAN;		cpi->hba_misc = PIM_NOBUSRESET \| PIM_UNMAPPED \| PIM_NOSCAN;
#else		#else
cpi->hba_misc = PIM_NOBUSRESET \| PIM_UNMAPPED;		cpi->hba_misc = PIM_NOBUSRESET \| PIM_UNMAPPED;
#endif		#endif
cpi->hba_eng_cnt = 0;		cpi->hba_eng_cnt = 0;
cpi->max_target = sassc->maxtargets - 1;		cpi->max_target = sassc->maxtargets - 1;
cpi->max_lun = 255;		cpi->max_lun = 255;
cpi->initiator_id = sassc->maxtargets - 1;
		/*
		* initiator_id is set here to an ID outside the set of valid
		* target IDs (including volumes).
		*/
		cpi->initiator_id = sassc->maxtargets;
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN);		strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN);
strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);		cpi->unit_number = cam_sim_unit(sim);
cpi->bus_id = cam_sim_bus(sim);		cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 150000;		cpi->base_transfer_speed = 150000;
cpi->transport = XPORT_SAS;		cpi->transport = XPORT_SAS;
cpi->transport_version = 0;		cpi->transport_version = 0;
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