1029 lines
25 KiB
C
1029 lines
25 KiB
C
/* $NetBSD: isp_netbsd.c,v 1.51 2001/12/14 00:13:45 mjacob Exp $ */
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/*
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* This driver, which is contained in NetBSD in the files:
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*
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* sys/dev/ic/isp.c
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* sys/dev/ic/isp_inline.h
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* sys/dev/ic/isp_netbsd.c
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* sys/dev/ic/isp_netbsd.h
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* sys/dev/ic/isp_target.c
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* sys/dev/ic/isp_target.h
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* sys/dev/ic/isp_tpublic.h
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* sys/dev/ic/ispmbox.h
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* sys/dev/ic/ispreg.h
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* sys/dev/ic/ispvar.h
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* sys/microcode/isp/asm_sbus.h
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* sys/microcode/isp/asm_1040.h
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* sys/microcode/isp/asm_1080.h
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* sys/microcode/isp/asm_12160.h
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* sys/microcode/isp/asm_2100.h
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* sys/microcode/isp/asm_2200.h
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* sys/pci/isp_pci.c
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* sys/sbus/isp_sbus.c
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*
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* Is being actively maintained by Matthew Jacob (mjacob@netbsd.org).
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* This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
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* Linux versions. This tends to be an interesting maintenance problem.
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*
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* Please coordinate with Matthew Jacob on changes you wish to make here.
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*/
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/*
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* Platform (NetBSD) dependent common attachment code for Qlogic adapters.
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* Matthew Jacob <mjacob@nas.nasa.gov>
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*/
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/*
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* Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
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* All rights reserved.
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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, 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: isp_netbsd.c,v 1.51 2001/12/14 00:13:45 mjacob Exp $");
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#include <dev/ic/isp_netbsd.h>
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#include <sys/scsiio.h>
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/*
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* Set a timeout for the watchdogging of a command.
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*
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* The dimensional analysis is
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*
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* milliseconds * (seconds/millisecond) * (ticks/second) = ticks
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*
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* =
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*
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* (milliseconds / 1000) * hz = ticks
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*
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*
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* For timeouts less than 1 second, we'll get zero. Because of this, and
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* because we want to establish *our* timeout to be longer than what the
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* firmware might do, we just add 3 seconds at the back end.
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*/
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#define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz))
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static void isp_config_interrupts(struct device *);
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static void ispminphys_1020(struct buf *);
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static void ispminphys(struct buf *);
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static INLINE void ispcmd(struct ispsoftc *, XS_T *);
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static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *);
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static int
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ispioctl(struct scsipi_channel *, u_long, caddr_t, int, struct proc *);
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static void isp_polled_cmd(struct ispsoftc *, XS_T *);
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static void isp_dog(void *);
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static void isp_create_fc_worker(void *);
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static void isp_fc_worker(void *);
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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(struct ispsoftc *isp)
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{
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isp->isp_state = ISP_RUNSTATE;
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isp->isp_osinfo._adapter.adapt_dev = &isp->isp_osinfo._dev;
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isp->isp_osinfo._adapter.adapt_nchannels = IS_DUALBUS(isp) ? 2 : 1;
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isp->isp_osinfo._adapter.adapt_openings = isp->isp_maxcmds;
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/*
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* It's not stated whether max_periph is limited by SPI
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* tag uage, but let's assume that it is.
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*/
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isp->isp_osinfo._adapter.adapt_max_periph = min(isp->isp_maxcmds, 255);
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isp->isp_osinfo._adapter.adapt_ioctl = ispioctl;
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isp->isp_osinfo._adapter.adapt_request = isprequest;
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if (isp->isp_type <= ISP_HA_SCSI_1020A) {
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isp->isp_osinfo._adapter.adapt_minphys = ispminphys_1020;
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} else {
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isp->isp_osinfo._adapter.adapt_minphys = ispminphys;
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}
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isp->isp_osinfo._chan.chan_adapter = &isp->isp_osinfo._adapter;
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isp->isp_osinfo._chan.chan_bustype = &scsi_bustype;
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isp->isp_osinfo._chan.chan_channel = 0;
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/*
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* Until the midlayer is fixed to use REPORT LUNS, limit to 8 luns.
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*/
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isp->isp_osinfo._chan.chan_nluns = min(isp->isp_maxluns, 8);
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if (IS_FC(isp)) {
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isp->isp_osinfo._chan.chan_ntargets = MAX_FC_TARG;
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isp->isp_osinfo._chan.chan_id = MAX_FC_TARG;
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isp->isp_osinfo.threadwork = 1;
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/*
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* Note that isp_create_fc_worker won't get called
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* until much much later (after proc0 is created).
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*/
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kthread_create(isp_create_fc_worker, isp);
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} else {
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int bus = 0;
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sdparam *sdp = isp->isp_param;
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isp->isp_osinfo._chan.chan_ntargets = MAX_TARGETS;
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isp->isp_osinfo._chan.chan_id = sdp->isp_initiator_id;
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isp->isp_osinfo.discovered[0] = 1 << sdp->isp_initiator_id;
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if (IS_DUALBUS(isp)) {
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isp->isp_osinfo._chan_b = isp->isp_osinfo._chan;
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sdp++;
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isp->isp_osinfo.discovered[1] =
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1 << sdp->isp_initiator_id;
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isp->isp_osinfo._chan_b.chan_id = sdp->isp_initiator_id;
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isp->isp_osinfo._chan_b.chan_channel = 1;
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}
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ISP_LOCK(isp);
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(void) isp_control(isp, ISPCTL_RESET_BUS, &bus);
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if (IS_DUALBUS(isp)) {
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bus++;
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(void) isp_control(isp, ISPCTL_RESET_BUS, &bus);
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}
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ISP_UNLOCK(isp);
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}
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/*
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* Defer enabling mailbox interrupts until later.
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*/
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config_interrupts((struct device *) isp, isp_config_interrupts);
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/*
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* And attach children (if any).
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*/
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config_found((void *)isp, &isp->isp_chanA, scsiprint);
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if (IS_DUALBUS(isp)) {
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config_found((void *)isp, &isp->isp_chanB, scsiprint);
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}
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}
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static void
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isp_config_interrupts(struct device *self)
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{
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struct ispsoftc *isp = (struct ispsoftc *) self;
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/*
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* After this point, we'll be doing the new configuration
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* schema which allows interrups, so we can do tsleep/wakeup
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* for mailbox stuff at that point.
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*/
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isp->isp_osinfo.no_mbox_ints = 0;
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}
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/*
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* minphys our xfers
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*/
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static void
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ispminphys_1020(struct buf *bp)
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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 void
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ispminphys(struct buf *bp)
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{
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if (bp->b_bcount >= (1 << 30)) {
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bp->b_bcount = (1 << 30);
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}
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minphys(bp);
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}
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static int
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ispioctl(struct scsipi_channel *chan, u_long cmd, caddr_t addr, int flag,
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struct proc *p)
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{
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struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev;
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int retval = ENOTTY;
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switch (cmd) {
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case SCBUSIORESET:
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ISP_LOCK(isp);
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if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel))
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retval = EIO;
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else
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retval = 0;
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ISP_UNLOCK(isp);
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break;
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case ISP_SDBLEV:
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{
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int olddblev = isp->isp_dblev;
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isp->isp_dblev = *(int *)addr;
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*(int *)addr = olddblev;
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retval = 0;
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break;
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}
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case ISP_RESETHBA:
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ISP_LOCK(isp);
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isp_reinit(isp);
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ISP_UNLOCK(isp);
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retval = 0;
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break;
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case ISP_FC_RESCAN:
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if (IS_FC(isp)) {
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ISP_LOCK(isp);
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if (isp_fc_runstate(isp, 5 * 1000000)) {
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retval = EIO;
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} else {
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retval = 0;
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}
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ISP_UNLOCK(isp);
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}
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break;
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case ISP_FC_LIP:
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if (IS_FC(isp)) {
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ISP_LOCK(isp);
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if (isp_control(isp, ISPCTL_SEND_LIP, 0)) {
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retval = EIO;
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} else {
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retval = 0;
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}
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ISP_UNLOCK(isp);
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}
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break;
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case ISP_FC_GETDINFO:
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{
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struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
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struct lportdb *lp;
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if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) {
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retval = EINVAL;
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break;
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}
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ISP_LOCK(isp);
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lp = &FCPARAM(isp)->portdb[ifc->loopid];
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if (lp->valid) {
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ifc->loopid = lp->loopid;
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ifc->portid = lp->portid;
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ifc->node_wwn = lp->node_wwn;
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ifc->port_wwn = lp->port_wwn;
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retval = 0;
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} else {
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retval = ENODEV;
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}
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ISP_UNLOCK(isp);
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break;
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}
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default:
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break;
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}
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return (retval);
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}
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static INLINE void
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ispcmd(struct ispsoftc *isp, XS_T *xs)
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{
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ISP_LOCK(isp);
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if (isp->isp_state < ISP_RUNSTATE) {
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DISABLE_INTS(isp);
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isp_init(isp);
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if (isp->isp_state != ISP_INITSTATE) {
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ENABLE_INTS(isp);
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ISP_UNLOCK(isp);
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XS_SETERR(xs, HBA_BOTCH);
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scsipi_done(xs);
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return;
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}
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isp->isp_state = ISP_RUNSTATE;
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ENABLE_INTS(isp);
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}
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/*
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* Handle the case of a FC card where the FC thread hasn't
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* fired up yet and we have loop state to clean up. If we
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* can't clear things up and we've never seen loop up, bounce
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* the command.
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*/
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if (IS_FC(isp) && isp->isp_osinfo.threadwork &&
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isp->isp_osinfo.thread == 0) {
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volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints;
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int delay_time;
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if (xs->xs_control & XS_CTL_POLL) {
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isp->isp_osinfo.no_mbox_ints = 1;
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}
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if (isp->isp_osinfo.loop_checked == 0) {
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delay_time = 10 * 1000000;
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isp->isp_osinfo.loop_checked = 1;
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} else {
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delay_time = 250000;
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}
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if (isp_fc_runstate(isp, delay_time) != 0) {
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if (xs->xs_control & XS_CTL_POLL) {
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isp->isp_osinfo.no_mbox_ints = ombi;
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}
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if (FCPARAM(isp)->loop_seen_once == 0) {
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XS_SETERR(xs, HBA_SELTIMEOUT);
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scsipi_done(xs);
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ISP_UNLOCK(isp);
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return;
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}
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/*
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* Otherwise, fall thru to be queued up for later.
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*/
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} else {
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int wasblocked =
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(isp->isp_osinfo.blocked || isp->isp_osinfo.paused);
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isp->isp_osinfo.threadwork = 0;
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isp->isp_osinfo.blocked =
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isp->isp_osinfo.paused = 0;
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if (wasblocked) {
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scsipi_channel_thaw(&isp->isp_chanA, 1);
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}
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}
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if (xs->xs_control & XS_CTL_POLL) {
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isp->isp_osinfo.no_mbox_ints = ombi;
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}
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}
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if (isp->isp_osinfo.paused) {
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isp_prt(isp, ISP_LOGWARN, "I/O while paused");
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xs->error = XS_RESOURCE_SHORTAGE;
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scsipi_done(xs);
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ISP_UNLOCK(isp);
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return;
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}
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if (isp->isp_osinfo.blocked) {
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isp_prt(isp, ISP_LOGWARN, "I/O while blocked");
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xs->error = XS_REQUEUE;
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scsipi_done(xs);
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ISP_UNLOCK(isp);
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return;
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}
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if (xs->xs_control & XS_CTL_POLL) {
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volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints;
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isp->isp_osinfo.no_mbox_ints = 1;
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isp_polled_cmd(isp, xs);
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isp->isp_osinfo.no_mbox_ints = ombi;
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ISP_UNLOCK(isp);
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return;
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}
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switch (isp_start(xs)) {
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case CMD_QUEUED:
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if (xs->timeout) {
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callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs);
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}
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break;
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case CMD_EAGAIN:
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isp->isp_osinfo.paused = 1;
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xs->error = XS_RESOURCE_SHORTAGE;
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scsipi_channel_freeze(&isp->isp_chanA, 1);
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if (IS_DUALBUS(isp)) {
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scsipi_channel_freeze(&isp->isp_chanB, 1);
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}
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scsipi_done(xs);
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break;
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case CMD_RQLATER:
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/*
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* We can only get RQLATER from FC devices (1 channel only)
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*
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* Also, if we've never seen loop up, bounce the command
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* (somebody has booted with no FC cable connected)
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*/
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if (FCPARAM(isp)->loop_seen_once == 0) {
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XS_SETERR(xs, HBA_SELTIMEOUT);
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scsipi_done(xs);
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break;
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}
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if (isp->isp_osinfo.blocked == 0) {
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isp->isp_osinfo.blocked = 1;
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scsipi_channel_freeze(&isp->isp_chanA, 1);
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}
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xs->error = XS_REQUEUE;
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scsipi_done(xs);
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break;
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case CMD_COMPLETE:
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scsipi_done(xs);
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break;
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}
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ISP_UNLOCK(isp);
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}
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static void
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isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
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{
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struct ispsoftc *isp = (void *)chan->chan_adapter->adapt_dev;
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switch (req) {
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case ADAPTER_REQ_RUN_XFER:
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ispcmd(isp, (XS_T *) arg);
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break;
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case ADAPTER_REQ_GROW_RESOURCES:
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/* Not supported. */
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break;
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case ADAPTER_REQ_SET_XFER_MODE:
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if (IS_SCSI(isp)) {
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struct scsipi_xfer_mode *xm = arg;
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int dflags = 0;
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sdparam *sdp = SDPARAM(isp);
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sdp += chan->chan_channel;
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if (xm->xm_mode & PERIPH_CAP_TQING)
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dflags |= DPARM_TQING;
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if (xm->xm_mode & PERIPH_CAP_WIDE16)
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dflags |= DPARM_WIDE;
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if (xm->xm_mode & PERIPH_CAP_SYNC)
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dflags |= DPARM_SYNC;
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ISP_LOCK(isp);
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sdp->isp_devparam[xm->xm_target].goal_flags |= dflags;
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dflags = sdp->isp_devparam[xm->xm_target].goal_flags;
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sdp->isp_devparam[xm->xm_target].dev_update = 1;
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isp->isp_update |= (1 << chan->chan_channel);
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ISP_UNLOCK(isp);
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isp_prt(isp, ISP_LOGDEBUG1,
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"ispioctl: device flags 0x%x for %d.%d.X",
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dflags, chan->chan_channel, xm->xm_target);
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break;
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}
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default:
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break;
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}
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}
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|
|
static void
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isp_polled_cmd(struct ispsoftc *isp, XS_T *xs)
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{
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int result;
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int infinite = 0, mswait;
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result = isp_start(xs);
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|
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switch (result) {
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case CMD_QUEUED:
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break;
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case CMD_RQLATER:
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if (XS_NOERR(xs)) {
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xs->error = XS_REQUEUE;
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}
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case CMD_EAGAIN:
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if (XS_NOERR(xs)) {
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xs->error = XS_RESOURCE_SHORTAGE;
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}
|
|
/* FALLTHROUGH */
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|
case CMD_COMPLETE:
|
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scsipi_done(xs);
|
|
return;
|
|
|
|
}
|
|
|
|
/*
|
|
* If we can't use interrupts, poll on completion.
|
|
*/
|
|
if ((mswait = XS_TIME(xs)) == 0)
|
|
infinite = 1;
|
|
|
|
while (mswait || infinite) {
|
|
u_int16_t isr, sema, mbox;
|
|
if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
|
|
isp_intr(isp, isr, sema, mbox);
|
|
if (XS_CMD_DONE_P(xs)) {
|
|
break;
|
|
}
|
|
}
|
|
USEC_DELAY(1000);
|
|
mswait -= 1;
|
|
}
|
|
|
|
/*
|
|
* If no other error occurred but we didn't finish,
|
|
* something bad happened.
|
|
*/
|
|
if (XS_CMD_DONE_P(xs) == 0) {
|
|
if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) {
|
|
isp_reinit(isp);
|
|
}
|
|
if (XS_NOERR(xs)) {
|
|
XS_SETERR(xs, HBA_BOTCH);
|
|
}
|
|
}
|
|
scsipi_done(xs);
|
|
}
|
|
|
|
void
|
|
isp_done(XS_T *xs)
|
|
{
|
|
XS_CMD_S_DONE(xs);
|
|
if (XS_CMD_WDOG_P(xs) == 0) {
|
|
struct ispsoftc *isp = XS_ISP(xs);
|
|
callout_stop(&xs->xs_callout);
|
|
if (XS_CMD_GRACE_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1,
|
|
"finished command on borrowed time");
|
|
}
|
|
XS_CMD_S_CLEAR(xs);
|
|
/*
|
|
* Fixup- if we get a QFULL, we need
|
|
* to set XS_BUSY as the error.
|
|
*/
|
|
if (xs->status == SCSI_QUEUE_FULL) {
|
|
xs->error = XS_BUSY;
|
|
}
|
|
if (isp->isp_osinfo.paused) {
|
|
isp->isp_osinfo.paused = 0;
|
|
scsipi_channel_timed_thaw(&isp->isp_chanA);
|
|
if (IS_DUALBUS(isp)) {
|
|
scsipi_channel_timed_thaw(&isp->isp_chanB);
|
|
}
|
|
}
|
|
scsipi_done(xs);
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_dog(void *arg)
|
|
{
|
|
XS_T *xs = arg;
|
|
struct ispsoftc *isp = XS_ISP(xs);
|
|
u_int16_t handle;
|
|
|
|
ISP_ILOCK(isp);
|
|
/*
|
|
* We've decided this command is dead. Make sure we're not trying
|
|
* to kill a command that's already dead by getting it's handle and
|
|
* and seeing whether it's still alive.
|
|
*/
|
|
handle = isp_find_handle(isp, xs);
|
|
if (handle) {
|
|
u_int16_t isr, mbox, sema;
|
|
|
|
if (XS_CMD_DONE_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1,
|
|
"watchdog found done cmd (handle 0x%x)", handle);
|
|
ISP_IUNLOCK(isp);
|
|
return;
|
|
}
|
|
|
|
if (XS_CMD_WDOG_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1,
|
|
"recursive watchdog (handle 0x%x)", handle);
|
|
ISP_IUNLOCK(isp);
|
|
return;
|
|
}
|
|
|
|
XS_CMD_S_WDOG(xs);
|
|
|
|
if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
|
|
isp_intr(isp, isr, sema, mbox);
|
|
|
|
}
|
|
if (XS_CMD_DONE_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1,
|
|
"watchdog cleanup for handle 0x%x", handle);
|
|
XS_CMD_C_WDOG(xs);
|
|
isp_done(xs);
|
|
} else if (XS_CMD_GRACE_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1,
|
|
"watchdog timeout for handle 0x%x", handle);
|
|
/*
|
|
* Make sure the command is *really* dead before we
|
|
* release the handle (and DMA resources) for reuse.
|
|
*/
|
|
(void) isp_control(isp, ISPCTL_ABORT_CMD, arg);
|
|
|
|
/*
|
|
* After this point, the comamnd is really dead.
|
|
*/
|
|
if (XS_XFRLEN(xs)) {
|
|
ISP_DMAFREE(isp, xs, handle);
|
|
}
|
|
isp_destroy_handle(isp, handle);
|
|
XS_SETERR(xs, XS_TIMEOUT);
|
|
XS_CMD_S_CLEAR(xs);
|
|
isp_done(xs);
|
|
} else {
|
|
u_int16_t nxti, optr;
|
|
ispreq_t local, *mp = &local, *qe;
|
|
isp_prt(isp, ISP_LOGDEBUG2,
|
|
"possible command timeout on handle %x", handle);
|
|
XS_CMD_C_WDOG(xs);
|
|
callout_reset(&xs->xs_callout, hz, isp_dog, xs);
|
|
if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) {
|
|
ISP_UNLOCK(isp);
|
|
return;
|
|
}
|
|
XS_CMD_S_GRACE(xs);
|
|
MEMZERO((void *) mp, sizeof (*mp));
|
|
mp->req_header.rqs_entry_count = 1;
|
|
mp->req_header.rqs_entry_type = RQSTYPE_MARKER;
|
|
mp->req_modifier = SYNC_ALL;
|
|
mp->req_target = XS_CHANNEL(xs) << 7;
|
|
isp_put_request(isp, mp, qe);
|
|
ISP_ADD_REQUEST(isp, nxti);
|
|
}
|
|
} else {
|
|
isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command");
|
|
}
|
|
ISP_IUNLOCK(isp);
|
|
}
|
|
|
|
/*
|
|
* Fibre Channel state cleanup thread
|
|
*/
|
|
static void
|
|
isp_create_fc_worker(void *arg)
|
|
{
|
|
struct ispsoftc *isp = arg;
|
|
|
|
if (kthread_create1(isp_fc_worker, isp, &isp->isp_osinfo.thread,
|
|
"%s:fc_thrd", isp->isp_name)) {
|
|
isp_prt(isp, ISP_LOGERR, "unable to create FC worker thread");
|
|
panic("isp_create_fc_worker");
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
isp_fc_worker(void *arg)
|
|
{
|
|
void scsipi_run_queue(struct scsipi_channel *);
|
|
struct ispsoftc *isp = arg;
|
|
|
|
for (;;) {
|
|
int s;
|
|
|
|
/*
|
|
* Note we do *not* use the ISP_LOCK/ISP_UNLOCK macros here.
|
|
*/
|
|
s = splbio();
|
|
while (isp->isp_osinfo.threadwork) {
|
|
isp->isp_osinfo.threadwork = 0;
|
|
if (isp_fc_runstate(isp, 10 * 1000000) == 0) {
|
|
break;
|
|
}
|
|
if (isp->isp_osinfo.loop_checked &&
|
|
FCPARAM(isp)->loop_seen_once == 0) {
|
|
splx(s);
|
|
goto skip;
|
|
}
|
|
isp->isp_osinfo.threadwork = 1;
|
|
splx(s);
|
|
delay(500 * 1000);
|
|
s = splbio();
|
|
}
|
|
if (FCPARAM(isp)->isp_fwstate != FW_READY ||
|
|
FCPARAM(isp)->isp_loopstate != LOOP_READY) {
|
|
isp_prt(isp, ISP_LOGINFO, "isp_fc_runstate in vain");
|
|
isp->isp_osinfo.threadwork = 1;
|
|
splx(s);
|
|
continue;
|
|
}
|
|
|
|
if (isp->isp_osinfo.blocked) {
|
|
isp->isp_osinfo.blocked = 0;
|
|
isp_prt(isp, ISP_LOGDEBUG0,
|
|
"restarting queues (freeze count %d)",
|
|
isp->isp_chanA.chan_qfreeze);
|
|
scsipi_channel_thaw(&isp->isp_chanA, 1);
|
|
}
|
|
|
|
if (isp->isp_osinfo.thread == NULL)
|
|
break;
|
|
|
|
skip:
|
|
(void) tsleep(&isp->isp_osinfo.thread, PRIBIO, "fcclnup", 0);
|
|
|
|
splx(s);
|
|
}
|
|
|
|
/* In case parent is waiting for us to exit. */
|
|
wakeup(&isp->isp_osinfo.thread);
|
|
|
|
kthread_exit(0);
|
|
}
|
|
|
|
/*
|
|
* Free any associated resources prior to decommissioning and
|
|
* set the card to a known state (so it doesn't wake up and kick
|
|
* us when we aren't expecting it to).
|
|
*
|
|
* Locks are held before coming here.
|
|
*/
|
|
void
|
|
isp_uninit(struct ispsoftc *isp)
|
|
{
|
|
isp_lock(isp);
|
|
/*
|
|
* Leave with interrupts disabled.
|
|
*/
|
|
DISABLE_INTS(isp);
|
|
isp_unlock(isp);
|
|
}
|
|
|
|
int
|
|
isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg)
|
|
{
|
|
int bus, tgt;
|
|
|
|
switch (cmd) {
|
|
case ISPASYNC_NEW_TGT_PARAMS:
|
|
if (IS_SCSI(isp) && isp->isp_dblev) {
|
|
sdparam *sdp = isp->isp_param;
|
|
int flags;
|
|
struct scsipi_xfer_mode xm;
|
|
|
|
tgt = *((int *) arg);
|
|
bus = (tgt >> 16) & 0xffff;
|
|
tgt &= 0xffff;
|
|
sdp += bus;
|
|
flags = sdp->isp_devparam[tgt].actv_flags;
|
|
|
|
xm.xm_mode = 0;
|
|
xm.xm_period = sdp->isp_devparam[tgt].actv_period;
|
|
xm.xm_offset = sdp->isp_devparam[tgt].actv_offset;
|
|
xm.xm_target = tgt;
|
|
|
|
if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset)
|
|
xm.xm_mode |= PERIPH_CAP_SYNC;
|
|
if (flags & DPARM_WIDE)
|
|
xm.xm_mode |= PERIPH_CAP_WIDE16;
|
|
if (flags & DPARM_TQING)
|
|
xm.xm_mode |= PERIPH_CAP_TQING;
|
|
scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA,
|
|
ASYNC_EVENT_XFER_MODE, &xm);
|
|
break;
|
|
}
|
|
case ISPASYNC_BUS_RESET:
|
|
bus = *((int *) arg);
|
|
scsipi_async_event(bus? &isp->isp_chanB : &isp->isp_chanA,
|
|
ASYNC_EVENT_RESET, NULL);
|
|
isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus);
|
|
break;
|
|
case ISPASYNC_LIP:
|
|
/*
|
|
* Don't do queue freezes or blockage until we have the
|
|
* thread running that can unfreeze/unblock us.
|
|
*/
|
|
if (isp->isp_osinfo.blocked == 0) {
|
|
if (isp->isp_osinfo.thread) {
|
|
isp->isp_osinfo.blocked = 1;
|
|
scsipi_channel_freeze(&isp->isp_chanA, 1);
|
|
}
|
|
}
|
|
isp_prt(isp, ISP_LOGINFO, "LIP Received");
|
|
break;
|
|
case ISPASYNC_LOOP_RESET:
|
|
/*
|
|
* Don't do queue freezes or blockage until we have the
|
|
* thread running that can unfreeze/unblock us.
|
|
*/
|
|
if (isp->isp_osinfo.blocked == 0) {
|
|
if (isp->isp_osinfo.thread) {
|
|
isp->isp_osinfo.blocked = 1;
|
|
scsipi_channel_freeze(&isp->isp_chanA, 1);
|
|
}
|
|
}
|
|
isp_prt(isp, ISP_LOGINFO, "Loop Reset Received");
|
|
break;
|
|
case ISPASYNC_LOOP_DOWN:
|
|
/*
|
|
* Don't do queue freezes or blockage until we have the
|
|
* thread running that can unfreeze/unblock us.
|
|
*/
|
|
if (isp->isp_osinfo.blocked == 0) {
|
|
if (isp->isp_osinfo.thread) {
|
|
isp->isp_osinfo.blocked = 1;
|
|
scsipi_channel_freeze(&isp->isp_chanA, 1);
|
|
}
|
|
}
|
|
isp_prt(isp, ISP_LOGINFO, "Loop DOWN");
|
|
break;
|
|
case ISPASYNC_LOOP_UP:
|
|
/*
|
|
* Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke
|
|
* the FC worker thread. When the FC worker thread
|
|
* is done, let *it* call scsipi_channel_thaw...
|
|
*/
|
|
isp_prt(isp, ISP_LOGINFO, "Loop UP");
|
|
break;
|
|
case ISPASYNC_PROMENADE:
|
|
if (IS_FC(isp) && isp->isp_dblev) {
|
|
const char fmt[] = "Target %d (Loop 0x%x) Port ID 0x%x "
|
|
"(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x";
|
|
const static char *roles[4] = {
|
|
"None", "Target", "Initiator", "Target/Initiator"
|
|
};
|
|
fcparam *fcp = isp->isp_param;
|
|
int tgt = *((int *) arg);
|
|
struct lportdb *lp = &fcp->portdb[tgt];
|
|
|
|
isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid,
|
|
roles[lp->roles & 0x3],
|
|
(lp->valid)? "Arrived" : "Departed",
|
|
(u_int32_t) (lp->port_wwn >> 32),
|
|
(u_int32_t) (lp->port_wwn & 0xffffffffLL),
|
|
(u_int32_t) (lp->node_wwn >> 32),
|
|
(u_int32_t) (lp->node_wwn & 0xffffffffLL));
|
|
break;
|
|
}
|
|
case ISPASYNC_CHANGE_NOTIFY:
|
|
if (arg == ISPASYNC_CHANGE_PDB) {
|
|
isp_prt(isp, ISP_LOGINFO, "Port Database Changed");
|
|
} else if (arg == ISPASYNC_CHANGE_SNS) {
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"Name Server Database Changed");
|
|
}
|
|
|
|
/*
|
|
* We can set blocked here because we know it's now okay
|
|
* to try and run isp_fc_runstate (in order to build loop
|
|
* state). But we don't try and freeze the midlayer's queue
|
|
* if we have no thread that we can wake to later unfreeze
|
|
* it.
|
|
*/
|
|
if (isp->isp_osinfo.blocked == 0) {
|
|
isp->isp_osinfo.blocked = 1;
|
|
if (isp->isp_osinfo.thread) {
|
|
scsipi_channel_freeze(&isp->isp_chanA, 1);
|
|
}
|
|
}
|
|
/*
|
|
* Note that we have work for the thread to do, and
|
|
* if the thread is here already, wake it up.
|
|
*/
|
|
isp->isp_osinfo.threadwork++;
|
|
if (isp->isp_osinfo.thread) {
|
|
wakeup(&isp->isp_osinfo.thread);
|
|
} else {
|
|
isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet");
|
|
}
|
|
break;
|
|
case ISPASYNC_FABRIC_DEV:
|
|
{
|
|
int target, lrange;
|
|
struct lportdb *lp = NULL;
|
|
char *pt;
|
|
sns_ganrsp_t *resp = (sns_ganrsp_t *) arg;
|
|
u_int32_t portid;
|
|
u_int64_t wwpn, wwnn;
|
|
fcparam *fcp = isp->isp_param;
|
|
|
|
portid =
|
|
(((u_int32_t) resp->snscb_port_id[0]) << 16) |
|
|
(((u_int32_t) resp->snscb_port_id[1]) << 8) |
|
|
(((u_int32_t) resp->snscb_port_id[2]));
|
|
|
|
wwpn =
|
|
(((u_int64_t)resp->snscb_portname[0]) << 56) |
|
|
(((u_int64_t)resp->snscb_portname[1]) << 48) |
|
|
(((u_int64_t)resp->snscb_portname[2]) << 40) |
|
|
(((u_int64_t)resp->snscb_portname[3]) << 32) |
|
|
(((u_int64_t)resp->snscb_portname[4]) << 24) |
|
|
(((u_int64_t)resp->snscb_portname[5]) << 16) |
|
|
(((u_int64_t)resp->snscb_portname[6]) << 8) |
|
|
(((u_int64_t)resp->snscb_portname[7]));
|
|
|
|
wwnn =
|
|
(((u_int64_t)resp->snscb_nodename[0]) << 56) |
|
|
(((u_int64_t)resp->snscb_nodename[1]) << 48) |
|
|
(((u_int64_t)resp->snscb_nodename[2]) << 40) |
|
|
(((u_int64_t)resp->snscb_nodename[3]) << 32) |
|
|
(((u_int64_t)resp->snscb_nodename[4]) << 24) |
|
|
(((u_int64_t)resp->snscb_nodename[5]) << 16) |
|
|
(((u_int64_t)resp->snscb_nodename[6]) << 8) |
|
|
(((u_int64_t)resp->snscb_nodename[7]));
|
|
if (portid == 0 || wwpn == 0) {
|
|
break;
|
|
}
|
|
|
|
switch (resp->snscb_port_type) {
|
|
case 1:
|
|
pt = " N_Port";
|
|
break;
|
|
case 2:
|
|
pt = " NL_Port";
|
|
break;
|
|
case 3:
|
|
pt = "F/NL_Port";
|
|
break;
|
|
case 0x7f:
|
|
pt = " Nx_Port";
|
|
break;
|
|
case 0x81:
|
|
pt = " F_port";
|
|
break;
|
|
case 0x82:
|
|
pt = " FL_Port";
|
|
break;
|
|
case 0x84:
|
|
pt = " E_port";
|
|
break;
|
|
default:
|
|
pt = "?";
|
|
break;
|
|
}
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"%s @ 0x%x, Node 0x%08x%08x Port %08x%08x",
|
|
pt, portid, ((u_int32_t) (wwnn >> 32)), ((u_int32_t) wwnn),
|
|
((u_int32_t) (wwpn >> 32)), ((u_int32_t) wwpn));
|
|
/*
|
|
* We're only interested in SCSI_FCP types (for now)
|
|
*/
|
|
if ((resp->snscb_fc4_types[2] & 1) == 0) {
|
|
break;
|
|
}
|
|
if (fcp->isp_topo != TOPO_F_PORT)
|
|
lrange = FC_SNS_ID+1;
|
|
else
|
|
lrange = 0;
|
|
/*
|
|
* Is it already in our list?
|
|
*/
|
|
for (target = lrange; target < MAX_FC_TARG; target++) {
|
|
if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
|
|
continue;
|
|
}
|
|
lp = &fcp->portdb[target];
|
|
if (lp->port_wwn == wwpn && lp->node_wwn == wwnn) {
|
|
lp->fabric_dev = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (target < MAX_FC_TARG) {
|
|
break;
|
|
}
|
|
for (target = lrange; target < MAX_FC_TARG; target++) {
|
|
if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
|
|
continue;
|
|
}
|
|
lp = &fcp->portdb[target];
|
|
if (lp->port_wwn == 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (target == MAX_FC_TARG) {
|
|
isp_prt(isp, ISP_LOGWARN,
|
|
"no more space for fabric devices");
|
|
break;
|
|
}
|
|
lp->node_wwn = wwnn;
|
|
lp->port_wwn = wwpn;
|
|
lp->portid = portid;
|
|
lp->fabric_dev = 1;
|
|
break;
|
|
}
|
|
case ISPASYNC_FW_CRASH:
|
|
{
|
|
u_int16_t mbox1, mbox6;
|
|
mbox1 = ISP_READ(isp, OUTMAILBOX1);
|
|
if (IS_DUALBUS(isp)) {
|
|
mbox6 = ISP_READ(isp, OUTMAILBOX6);
|
|
} else {
|
|
mbox6 = 0;
|
|
}
|
|
isp_prt(isp, ISP_LOGERR,
|
|
"Internal Firmware Error on bus %d @ RISC Address 0x%x",
|
|
mbox6, mbox1);
|
|
isp_reinit(isp);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
#include <machine/stdarg.h>
|
|
void
|
|
isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
|
|
return;
|
|
}
|
|
printf("%s: ", isp->isp_name);
|
|
va_start(ap, fmt);
|
|
vprintf(fmt, ap);
|
|
va_end(ap);
|
|
printf("\n");
|
|
}
|