Differential D7043 Diff 18341 head/sys/dev/mps/mps_sas.c

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head/sys/dev/mps/mps_sas.c

Show First 20 Lines • Show All 922 Lines • ▼ Show 20 Lines	mpssas_action(struct cam_sim sim, union ccb ccb)
mps_dprint(sassc->sc, MPS_TRACE, "ccb func_code 0x%x\n",		mps_dprint(sassc->sc, MPS_TRACE, "ccb func_code 0x%x\n",
ccb->ccb_h.func_code);		ccb->ccb_h.func_code);
mtx_assert(&sassc->sc->mps_mtx, MA_OWNED);		mtx_assert(&sassc->sc->mps_mtx, MA_OWNED);

switch (ccb->ccb_h.func_code) {		switch (ccb->ccb_h.func_code) {
case XPT_PATH_INQ:		case XPT_PATH_INQ:
{		{
struct ccb_pathinq *cpi = &ccb->cpi;		struct ccb_pathinq *cpi = &ccb->cpi;
		struct mps_softc *sc = sassc->sc;
		uint8_t sges_per_frame;

cpi->version_num = 1;		cpi->version_num = 1;
cpi->hba_inquiry = PI_SDTR_ABLE\|PI_TAG_ABLE\|PI_WIDE_16;		cpi->hba_inquiry = PI_SDTR_ABLE\|PI_TAG_ABLE\|PI_WIDE_16;
cpi->target_sprt = 0;		cpi->target_sprt = 0;
#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;		cpi->initiator_id = sassc->maxtargets - 1;
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strncpy(cpi->hba_vid, "Avago Tech (LSI)", HBA_IDLEN);		strncpy(cpi->hba_vid, "Avago Tech (LSI)", HBA_IDLEN);
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);		strncpy(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;
cpi->protocol = PROTO_SCSI;		cpi->protocol = PROTO_SCSI;
cpi->protocol_version = SCSI_REV_SPC;		cpi->protocol_version = SCSI_REV_SPC;
#if __FreeBSD_version >= 800001
/*		/*
* XXX KDM where does this number come from?		* Max IO Size is Page Size * the following:
		* ((SGEs per frame - 1 for chain element) *
		* Max Chain Depth) + 1 for no chain needed in last frame
		*
		* If user suggests a Max IO size to use, use the smaller of the
		* user's value and the calculated value as long as the user's
		* value is larger than 0. The user's value is in pages.
*/		*/
cpi->maxio = 256 * 1024;		sges_per_frame = ((sc->facts->IOCRequestFrameSize * 4) /
#endif		sizeof(MPI2_SGE_SIMPLE64)) - 1;
		cpi->maxio = (sges_per_frame * sc->facts->MaxChainDepth) + 1;
		cpi->maxio *= PAGE_SIZE;
		if ((sc->max_io_pages > 0) && (sc->max_io_pages * PAGE_SIZE <
		cpi->maxio))
		cpi->maxio = sc->max_io_pages * PAGE_SIZE;
mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);		mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
break;		break;
}		}
case XPT_GET_TRAN_SETTINGS:		case XPT_GET_TRAN_SETTINGS:
{		{
struct ccb_trans_settings *cts;		struct ccb_trans_settings *cts;
struct ccb_trans_settings_sas *sas;		struct ccb_trans_settings_sas *sas;
struct ccb_trans_settings_scsi *scsi;		struct ccb_trans_settings_scsi *scsi;
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