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Except one case mps(4) driver does not touch the data and works well with

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unmapped I/O.  That one exception is access to INQUIRY VPD request result.
Those requests are never unmapped now, but to be safe add respective check
there and allow unmapped I/O for the SIM by setting PIM_UNMAPPED flag.
This commit is contained in:
mav 2013-03-28 11:24:30 +00:00
parent e2bc9dfbfd
commit 674a0b97f5
1 changed files with 2 additions and 1 deletions
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3
sys/dev/mps/mps_sas.c
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@ -914,7 +914,7 @@ mpssas_action(struct cam_sim *sim, union ccb *ccb)
cpi->version_num = 1;
cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_NOBUSRESET;
cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
cpi->hba_eng_cnt = 0;
cpi->max_target = sassc->sc->facts->MaxTargets - 1;
cpi->max_lun = 255;
@ -2238,6 +2238,7 @@ mpssas_scsiio_complete(struct mps_softc *sc, struct mps_command *cm)
if ((csio->cdb_io.cdb_bytes[0] == INQUIRY) &&
(csio->cdb_io.cdb_bytes[1] & SI_EVPD) &&
(csio->cdb_io.cdb_bytes[2] == SVPD_SUPPORTED_PAGE_LIST) &&
((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) &&
(csio->data_ptr != NULL) && (((uint8_t *)cm->cm_data)[0] ==
T_SEQUENTIAL) && (sc->control_TLR) &&
(sc->mapping_table[csio->ccb_h.target_id].device_info &