NetBSD OS specific routines and definitions.
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mjacob
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9726a43692
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189
sys/dev/ic/isp_netbsd.c
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189
sys/dev/ic/isp_netbsd.c
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/* $NetBSD: isp_netbsd.c,v 1.1 1998/07/15 19:44:04 mjacob Exp $ */
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/* $Id: isp_netbsd.c,v 1.1 1998/07/15 19:44:04 mjacob Exp $ */
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/*
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* Platform (NetBSD) dependent common attachment code for Qlogic adapters.
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*
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*---------------------------------------
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* Copyright (c) 1997, 1998 by Matthew Jacob
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* NASA/Ames Research Center
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* All rights reserved.
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*---------------------------------------
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The author may be reached via electronic communications at
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*
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* mjacob@nas.nasa.gov
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* mjacob@feral.com
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*
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* or, via United States Postal Address
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*
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* Matthew Jacob
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* Feral Software
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* 2339 3rd Street
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* Suite 24
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* San Francisco, CA, 94107
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*/
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/*
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* $Log: isp_netbsd.c,v $
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* Revision 1.1 1998/07/15 19:44:04 mjacob
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* NetBSD OS specific routines and definitions.
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*
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* Revision 1.5 1998/07/15 19:35:35 mjacob
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* checkpoint
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*
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* Revision 1.4 1998/06/12 19:48:24 mjacob
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* checkpoint
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*
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* Revision 1.3 1998/04/15 17:40:25 mjacob
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* oops
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*
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* Revision 1.2 1998/04/14 17:31:49 mjacob
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* fix headers
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*
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*/
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#include <dev/ic/isp_netbsd.h>
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static void ispminphys __P((struct buf *));
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static int32_t ispcmd __P((ISP_SCSI_XFER_T *));
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static struct scsipi_adapter isp_switch = {
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ispcmd, ispminphys, 0, 0
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};
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static struct scsipi_device isp_dev = { NULL, NULL, NULL, NULL };
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static int isp_poll __P((struct ispsoftc *, ISP_SCSI_XFER_T *, int));
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/*
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* Complete attachment of hardware, include subdevices.
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*/
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void
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isp_attach(isp)
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struct ispsoftc *isp;
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{
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isp->isp_state = ISP_RUNSTATE;
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isp->isp_osinfo._link.scsipi_scsi.channel = SCSI_CHANNEL_ONLY_ONE;
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isp->isp_osinfo._link.adapter_softc = isp;
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isp->isp_osinfo._link.device = &isp_dev;
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isp->isp_osinfo._link.adapter = &isp_switch;
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if (isp->isp_type & ISP_HA_FC) {
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isp->isp_osinfo._link.scsipi_scsi.max_target = MAX_FC_TARG-1;
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isp->isp_osinfo._link.openings =
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RQUEST_QUEUE_LEN / (MAX_FC_TARG-1);
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isp->isp_osinfo._link.scsipi_scsi.adapter_target = 0xff;
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} else {
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isp->isp_osinfo._link.openings =
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RQUEST_QUEUE_LEN / (MAX_TARGETS-1);
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isp->isp_osinfo._link.scsipi_scsi.max_target = MAX_TARGETS-1;
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isp->isp_osinfo._link.scsipi_scsi.adapter_target =
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((sdparam *)isp->isp_param)->isp_initiator_id;
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}
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if (isp->isp_osinfo._link.openings < 2)
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isp->isp_osinfo._link.openings = 2;
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isp->isp_osinfo._link.type = BUS_SCSI;
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config_found((void *)isp, &isp->isp_osinfo._link, scsiprint);
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}
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/*
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* minphys our xfers
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*
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* Unfortunately, the buffer pointer describes the target device- not the
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* adapter device, so we can't use the pointer to find out what kind of
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* adapter we are and adjust accordingly.
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*/
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static void
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ispminphys(bp)
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struct buf *bp;
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{
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/*
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* XX: Only the 1020 has a 24 bit limit.
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*/
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if (bp->b_bcount >= (1 << 24)) {
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bp->b_bcount = (1 << 24);
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}
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minphys(bp);
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}
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static int
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ispcmd(xs)
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ISP_SCSI_XFER_T *xs;
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{
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struct ispsoftc *isp;
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int r;
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ISP_LOCKVAL_DECL;
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isp = XS_ISP(xs);
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ISP_LOCK(isp);
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r = ispscsicmd(xs);
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if (r != CMD_QUEUED || (xs->flags & SCSI_POLL) == 0) {
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ISP_UNLOCK(isp);
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return (r);
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}
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/*
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* If we can't use interrupts, poll on completion.
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*/
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if (isp_poll(isp, xs, XS_TIME(xs))) {
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/*
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* If no other error occurred but we didn't finish,
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* something bad happened.
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*/
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if (XS_IS_CMD_DONE(xs) == 0) {
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isp->isp_nactive--;
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if (isp->isp_nactive < 0)
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isp->isp_nactive = 0;
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if (XS_NOERR(xs)) {
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isp_lostcmd(isp, xs);
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XS_SETERR(xs, HBA_BOTCH);
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}
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}
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}
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ISP_UNLOCK(isp);
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return (CMD_COMPLETE);
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}
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static int
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isp_poll(isp, xs, mswait)
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struct ispsoftc *isp;
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ISP_SCSI_XFER_T *xs;
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int mswait;
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{
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while (mswait) {
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/* Try the interrupt handling routine */
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(void)isp_intr((void *)isp);
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/* See if the xs is now done */
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if (XS_IS_CMD_DONE(xs)) {
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return (0);
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}
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SYS_DELAY(1000); /* wait one millisecond */
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mswait--;
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}
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return (1);
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}
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160
sys/dev/ic/isp_netbsd.h
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160
sys/dev/ic/isp_netbsd.h
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@ -0,0 +1,160 @@
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/* $NetBSD: isp_netbsd.h,v 1.1 1998/07/15 19:44:04 mjacob Exp $ */
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/* $Id: isp_netbsd.h,v 1.1 1998/07/15 19:44:04 mjacob Exp $ */
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/*
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* NetBSD Specific definitions for the Qlogic ISP Host Adapter
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*
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*---------------------------------------
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* Copyright (c) 1997, 1998 by Matthew Jacob
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* NASA/Ames Research Center
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* All rights reserved.
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*---------------------------------------
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef _ISP_NETBSD_H
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#define _ISP_NETBSD_H
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/buf.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsiconf.h>
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#include <dev/scsipi/scsi_message.h>
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#include <dev/scsipi/scsipi_debug.h>
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#define ISP_VERSION_STRING "Version 0.94 Wed Jul 15 12:04:59 PDT 1998"
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#define ISP_SCSI_XFER_T struct scsipi_xfer
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struct isposinfo {
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struct device _dev;
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struct scsipi_link _link;
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};
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#define MAXISPREQUEST 256
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#include <dev/ic/ispreg.h>
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#include <dev/ic/ispvar.h>
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#include <dev/ic/ispmbox.h>
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#define PRINTF printf
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#define IDPRINTF(lev, x) if (isp->isp_dblev >= lev) printf x
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#ifdef SCSIDEBUG
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#define DFLT_DBLEVEL 2
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#else
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#define DFLT_DBLEVEL 1
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#endif
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#define ISP_LOCKVAL_DECL int isp_spl_save
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#define ISP_LOCK(x) isp_spl_save = splbio()
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#define ISP_UNLOCK(x) (void) splx(isp_spl_save)
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#define ISP_ILOCK ISP_LOCK
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#define ISP_IUNLOCK ISP_UNLOCK
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#define XS_NULL(xs) xs == NULL || xs->sc_link == NULL
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#define XS_ISP(xs) (xs)->sc_link->adapter_softc
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#define XS_LUN(xs) (xs)->sc_link->scsipi_scsi.lun
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#define XS_TGT(xs) (xs)->sc_link->scsipi_scsi.target
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#define XS_RESID(xs) (xs)->resid
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#define XS_XFRLEN(xs) (xs)->datalen
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#define XS_CDBLEN(xs) (xs)->cmdlen
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#define XS_CDBP(xs) (xs)->cmd
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#define XS_STS(xs) (xs)->status
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#define XS_TIME(xs) (xs)->timeout
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#define XS_SNSP(xs) (&(xs)->sense.scsi_sense)
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#define XS_SNSLEN(xs) (sizeof (xs)->sense.scsi_sense)
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#define XS_SNSKEY(xs) ((xs)->sense.scsi_sense.flags)
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#define HBA_NOERROR XS_NOERROR
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#define HBA_BOTCH XS_DRIVER_STUFFUP
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#define HBA_CMDTIMEOUT XS_TIMEOUT
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#define HBA_SELTIMEOUT XS_SELTIMEOUT
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#define HBA_TGTBSY XS_BUSY
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#define HBA_BUSRESET XS_DRIVER_STUFFUP
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#define HBA_ABORTED XS_DRIVER_STUFFUP
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#define HBA_DATAOVR XS_DRIVER_STUFFUP
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#define HBA_ARQFAIL XS_DRIVER_STUFFUP
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#define XS_SNS_IS_VALID(xs) (xs)->error = XS_SENSE
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#define XS_IS_SNS_VALID(xs) ((xs)->error == XS_SENSE)
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#define XS_INITERR(xs) (xs)->error = 0
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#define XS_SETERR(xs, v) (xs)->error = v
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#define XS_ERR(xs) (xs)->error
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#define XS_NOERR(xs) (xs)->error == XS_NOERROR
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#define XS_CMD_DONE(xs) (xs)->flags |= ITSDONE, scsipi_done(xs)
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#define XS_IS_CMD_DONE(xs) (((xs)->flags & ITSDONE) != 0)
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/*
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* We use whether or not we're a polled command to decide about tagging.
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*/
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#define XS_CANTAG(xs) (((xs)->flags & SCSI_POLL) != 0)
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/*
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* This is our default tag (ordered).
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*/
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#define XS_KINDOF_TAG(xs) \
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(((xs)->flags & SCSI_URGENT)? REQFLAG_HTAG : REQFLAG_OTAG)
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#define CMD_COMPLETE COMPLETE
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#define CMD_EAGAIN TRY_AGAIN_LATER
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#define CMD_QUEUED SUCCESSFULLY_QUEUED
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#define isp_name isp_osinfo._dev.dv_xname
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#define SYS_DELAY(x) delay(x)
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#define WATCH_INTERVAL 30
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#define START_WATCHDOG(f, s) \
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timeout(f, s, WATCH_INTERVAL * hz), s->isp_dogactive = 1
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#define RESTART_WATCHDOG(f, s) START_WATCHDOG(f, s)
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#define STOP_WATCHDOG(f, s) untimeout(f, s), s->isp_dogactive = 0
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extern void isp_attach __P((struct ispsoftc *));
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#endif /* _ISP_NETBSD_H */
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