/* $FreeBSD$ */ /* $Id: isp_freebsd_cam.h,v 1.3 1998/09/16 16:42:40 mjacob Exp $ */ /* * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions (CAM version) *--------------------------------------- * Copyright (c) 1997, 1998 by Matthew Jacob * NASA/Ames Research Center * All rights reserved. *--------------------------------------- * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _ISP_FREEBSD_CAM_H #define _ISP_FREEBSD_CAM_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef SCSI_CHECK #define SCSI_CHECK SCSI_STATUS_CHECK_COND #endif #ifndef SCSI_BUSY #define SCSI_BUSY SCSI_STATUS_BUSY #endif #define ISP_SCSI_XFER_T struct ccb_scsiio struct isposinfo { char name[8]; int unit; struct cam_sim *sim; struct cam_path *path; struct callout_handle watchid; volatile char simqfrozen; }; #define isp_sim isp_osinfo.sim #define isp_path isp_osinfo.path #define isp_unit isp_osinfo.unit #define isp_name isp_osinfo.name /* * XXXX: UNTIL WE PUT CODE IN THAT CHECKS RETURNS FROM MALLOC * XXXX: FOR CONTIGOUS PAGES, WE LIMIT TO PAGE_SIZE THE SIZE * XXXX: OF MAILBOXES. */ #define MAXISPREQUEST 64 #define PVS "Qlogic ISP Driver, FreeBSD CAM" #include #include #include #define PRINTF printf #define IDPRINTF(lev, x) if (isp->isp_dblev >= lev) printf x #define DFLT_DBLEVEL 2 #define ISP_LOCKVAL_DECL int isp_spl_save #define ISP_UNLOCK(isp) (void) splx(isp_spl_save) #define ISP_LOCK(isp) isp_spl_save = splcam() #define ISP_ILOCK(isp) ISP_LOCK(isp) #define ISP_IUNLOCK(isp) ISP_UNLOCK(isp) #define IMASK cam_imask #define XS_NULL(ccb) ccb == NULL #define XS_ISP(ccb) ((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1) #define XS_LUN(ccb) (ccb)->ccb_h.target_lun #define XS_TGT(ccb) (ccb)->ccb_h.target_id #define XS_RESID(ccb) (ccb)->resid #define XS_XFRLEN(ccb) (ccb)->dxfer_len #define XS_CDBLEN(ccb) (ccb)->cdb_len #define XS_CDBP(ccb) (((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \ (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes) #define XS_STS(ccb) (ccb)->scsi_status #define XS_TIME(ccb) (ccb)->ccb_h.timeout #define XS_SNSP(ccb) (&(ccb)->sense_data) #define XS_SNSLEN(ccb) imin((sizeof (ccb)->sense_data), ccb->sense_len) #define XS_SNSKEY(ccb) ((ccb)->sense_data.flags & 0xf) /* * A little tricky- HBA_NOERROR is "in progress" so * that XS_CMD_DONE can transition this to CAM_REQ_CMP. */ #define HBA_NOERROR CAM_REQ_INPROG #define HBA_BOTCH CAM_UNREC_HBA_ERROR #define HBA_CMDTIMEOUT CAM_CMD_TIMEOUT #define HBA_SELTIMEOUT CAM_SEL_TIMEOUT #define HBA_TGTBSY CAM_SCSI_STATUS_ERROR #define HBA_BUSRESET CAM_SCSI_BUS_RESET #define HBA_ABORTED CAM_REQ_ABORTED #define HBA_DATAOVR CAM_DATA_RUN_ERR #define HBA_ARQFAIL CAM_AUTOSENSE_FAIL #define XS_SNS_IS_VALID(ccb) ((ccb)->ccb_h.status |= CAM_AUTOSNS_VALID) #define XS_IS_SNS_VALID(ccb) (((ccb)->ccb_h.status & CAM_AUTOSNS_VALID) != 0) #define XS_INITERR(ccb) \ (ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \ (ccb)->ccb_h.status |= CAM_REQ_INPROG, \ (ccb)->ccb_h.spriv_field0 = CAM_REQ_INPROG #define XS_SETERR(ccb, v) (ccb)->ccb_h.spriv_field0 = v #define XS_ERR(ccb) (ccb)->ccb_h.spriv_field0 #define XS_NOERR(ccb) \ ((ccb)->ccb_h.spriv_field0 == CAM_REQ_INPROG) #define XS_CMD_DONE(sccb) \ if (XS_NOERR((sccb))) \ XS_SETERR((sccb), CAM_REQ_CMP); \ (sccb)->ccb_h.status &= ~CAM_STATUS_MASK; \ (sccb)->ccb_h.status |= (sccb)->ccb_h.spriv_field0; \ if (((sccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && \ (sccb)->scsi_status != SCSI_STATUS_OK) { \ (sccb)->ccb_h.status &= ~CAM_STATUS_MASK; \ (sccb)->ccb_h.status |= CAM_SCSI_STATUS_ERROR; \ } \ if (((sccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { \ if (((sccb)->ccb_h.status & CAM_DEV_QFRZN) == 0) { \ struct ispsoftc *isp = XS_ISP((sccb)); \ IDPRINTF(3, ("%s: freeze devq %d.%d ccbstat 0x%x\n",\ isp->isp_name, (sccb)->ccb_h.target_id, \ (sccb)->ccb_h.target_lun, (sccb)->ccb_h.status)); \ xpt_freeze_devq((sccb)->ccb_h.path, 1); \ (sccb)->ccb_h.status |= CAM_DEV_QFRZN; \ } \ } \ if ((XS_ISP((sccb)))->isp_osinfo.simqfrozen) { \ (sccb)->ccb_h.status |= CAM_RELEASE_SIMQ; \ (XS_ISP((sccb)))->isp_osinfo.simqfrozen = 0; \ } \ (sccb)->ccb_h.status &= ~CAM_SIM_QUEUED; \ xpt_done((union ccb *)(sccb)) #define XS_IS_CMD_DONE(ccb) \ (((ccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) /* * Can we tag? */ #define XS_CANTAG(ccb) ((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) /* * And our favorite tag is.... */ #define XS_KINDOF_TAG(ccb) \ ((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \ ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG)) #define CMD_COMPLETE 0 #define CMD_EAGAIN 1 #define CMD_QUEUED 2 #define SYS_DELAY(x) DELAY(x) #define WATCH_INTERVAL 30 #define START_WATCHDOG(f, s) \ (s)->isp_osinfo.watchid = timeout(f, s, WATCH_INTERVAL * hz), \ s->isp_dogactive = 1 #define STOP_WATCHDOG(f, s) untimeout(f, s, (s)->isp_osinfo.watchid),\ (s)->isp_dogactive = 0 #define RESTART_WATCHDOG(f, s) START_WATCHDOG(f, s) extern void isp_attach __P((struct ispsoftc *)); #endif /* _ISP_FREEBSD_CAM_H */