811 lines
20 KiB
C
811 lines
20 KiB
C
/* $NetBSD: isp_netbsd.c,v 1.30 2000/08/14 07:08:12 mjacob Exp $ */
|
|
/*
|
|
* This driver, which is contained in NetBSD in the files:
|
|
*
|
|
* sys/dev/ic/isp.c
|
|
* sys/dev/ic/ic/isp.c
|
|
* sys/dev/ic/ic/isp_inline.h
|
|
* sys/dev/ic/ic/isp_netbsd.c
|
|
* sys/dev/ic/ic/isp_netbsd.h
|
|
* sys/dev/ic/ic/isp_target.c
|
|
* sys/dev/ic/ic/isp_target.h
|
|
* sys/dev/ic/ic/isp_tpublic.h
|
|
* sys/dev/ic/ic/ispmbox.h
|
|
* sys/dev/ic/ic/ispreg.h
|
|
* sys/dev/ic/ic/ispvar.h
|
|
* sys/microcode/isp/asm_sbus.h
|
|
* sys/microcode/isp/asm_1040.h
|
|
* sys/microcode/isp/asm_1080.h
|
|
* sys/microcode/isp/asm_12160.h
|
|
* sys/microcode/isp/asm_2100.h
|
|
* sys/microcode/isp/asm_2200.h
|
|
* sys/pci/isp_pci.c
|
|
* sys/sbus/isp_sbus.c
|
|
*
|
|
* Is being actively maintained by Matthew Jacob (mjacob@netbsd.org).
|
|
* This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
|
|
* Linux versions. This tends to be an interesting maintenance problem.
|
|
*
|
|
* Please coordinate with Matthew Jacob on changes you wish to make here.
|
|
*/
|
|
/*
|
|
* Platform (NetBSD) dependent common attachment code for Qlogic adapters.
|
|
* Matthew Jacob <mjacob@nas.nasa.gov>
|
|
*/
|
|
/*
|
|
* Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
|
|
* 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, 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 ``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 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.
|
|
*/
|
|
|
|
#include <dev/ic/isp_netbsd.h>
|
|
#include <sys/scsiio.h>
|
|
|
|
|
|
/*
|
|
* Set a timeout for the watchdogging of a command.
|
|
*
|
|
* The dimensional analysis is
|
|
*
|
|
* milliseconds * (seconds/millisecond) * (ticks/second) = ticks
|
|
*
|
|
* =
|
|
*
|
|
* (milliseconds / 1000) * hz = ticks
|
|
*
|
|
*
|
|
* For timeouts less than 1 second, we'll get zero. Because of this, and
|
|
* because we want to establish *our* timeout to be longer than what the
|
|
* firmware might do, we just add 3 seconds at the back end.
|
|
*/
|
|
#define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz))
|
|
|
|
static void ispminphys __P((struct buf *));
|
|
static int32_t ispcmd __P((XS_T *));
|
|
static int
|
|
ispioctl __P((struct scsipi_link *, u_long, caddr_t, int, struct proc *));
|
|
|
|
static struct scsipi_device isp_dev = { NULL, NULL, NULL, NULL };
|
|
static int isp_polled_cmd __P((struct ispsoftc *, XS_T *));
|
|
static void isp_dog __P((void *));
|
|
static void isp_command_requeue __P((void *));
|
|
static void isp_internal_restart __P((void *));
|
|
|
|
/*
|
|
* Complete attachment of hardware, include subdevices.
|
|
*/
|
|
void
|
|
isp_attach(isp)
|
|
struct ispsoftc *isp;
|
|
{
|
|
int maxluns;
|
|
isp->isp_osinfo._adapter.scsipi_minphys = ispminphys;
|
|
isp->isp_osinfo._adapter.scsipi_ioctl = ispioctl;
|
|
isp->isp_osinfo._adapter.scsipi_cmd = ispcmd;
|
|
|
|
isp->isp_state = ISP_RUNSTATE;
|
|
isp->isp_osinfo._link.scsipi_scsi.channel =
|
|
(IS_DUALBUS(isp))? 0 : SCSI_CHANNEL_ONLY_ONE;
|
|
isp->isp_osinfo._link.adapter_softc = isp;
|
|
isp->isp_osinfo._link.device = &isp_dev;
|
|
isp->isp_osinfo._link.adapter = &isp->isp_osinfo._adapter;
|
|
isp->isp_osinfo._link.openings = isp->isp_maxcmds;
|
|
isp->isp_osinfo._link.scsipi_scsi.max_lun = maxluns;
|
|
/*
|
|
* Until the midlayer is fixed to use REPORT LUNS, limit to 8 luns.
|
|
*/
|
|
isp->isp_osinfo._link.scsipi_scsi.max_lun =
|
|
(isp->isp_maxluns < 7)? isp->isp_maxluns - 1 : 7;
|
|
TAILQ_INIT(&isp->isp_osinfo.waitq); /* The 2nd bus will share.. */
|
|
|
|
if (IS_FC(isp)) {
|
|
isp->isp_osinfo._link.scsipi_scsi.max_target = MAX_FC_TARG-1;
|
|
} else {
|
|
sdparam *sdp = isp->isp_param;
|
|
isp->isp_osinfo._link.scsipi_scsi.max_target = MAX_TARGETS-1;
|
|
isp->isp_osinfo._link.scsipi_scsi.adapter_target =
|
|
sdp->isp_initiator_id;
|
|
isp->isp_osinfo.discovered[0] = 1 << sdp->isp_initiator_id;
|
|
if (IS_DUALBUS(isp)) {
|
|
isp->isp_osinfo._link_b = isp->isp_osinfo._link;
|
|
sdp++;
|
|
isp->isp_osinfo.discovered[1] =
|
|
1 << sdp->isp_initiator_id;
|
|
isp->isp_osinfo._link_b.scsipi_scsi.adapter_target =
|
|
sdp->isp_initiator_id;
|
|
isp->isp_osinfo._link_b.scsipi_scsi.channel = 1;
|
|
isp->isp_osinfo._link_b.scsipi_scsi.max_lun =
|
|
isp->isp_osinfo._link.scsipi_scsi.max_lun;
|
|
}
|
|
}
|
|
isp->isp_osinfo._link.type = BUS_SCSI;
|
|
|
|
/*
|
|
* Send a SCSI Bus Reset.
|
|
*/
|
|
if (IS_SCSI(isp)) {
|
|
int bus = 0;
|
|
ISP_LOCK(isp);
|
|
(void) isp_control(isp, ISPCTL_RESET_BUS, &bus);
|
|
if (IS_DUALBUS(isp)) {
|
|
bus++;
|
|
(void) isp_control(isp, ISPCTL_RESET_BUS, &bus);
|
|
}
|
|
ISP_UNLOCK(isp);
|
|
} else {
|
|
int defid;
|
|
fcparam *fcp = isp->isp_param;
|
|
delay(2 * 1000000);
|
|
defid = MAX_FC_TARG;
|
|
ISP_LOCK(isp);
|
|
/*
|
|
* We probably won't have clock interrupts running,
|
|
* so we'll be really short (smoke test, really)
|
|
* at this time.
|
|
*/
|
|
if (isp_control(isp, ISPCTL_FCLINK_TEST, NULL)) {
|
|
(void) isp_control(isp, ISPCTL_PDB_SYNC, NULL);
|
|
if (fcp->isp_fwstate == FW_READY &&
|
|
fcp->isp_loopstate >= LOOP_PDB_RCVD) {
|
|
defid = fcp->isp_loopid;
|
|
}
|
|
}
|
|
ISP_UNLOCK(isp);
|
|
isp->isp_osinfo._link.scsipi_scsi.adapter_target = defid;
|
|
}
|
|
|
|
/*
|
|
* After this point, we'll be doing the new configuration
|
|
* schema which allows interrups, so we can do tsleep/wakeup
|
|
* for mailbox stuff at that point.
|
|
*/
|
|
isp->isp_osinfo.no_mbox_ints = 0;
|
|
|
|
/*
|
|
* And attach children (if any).
|
|
*/
|
|
config_found((void *)isp, &isp->isp_osinfo._link, scsiprint);
|
|
if (IS_DUALBUS(isp)) {
|
|
config_found((void *)isp, &isp->isp_osinfo._link_b, scsiprint);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* minphys our xfers
|
|
*
|
|
* Unfortunately, the buffer pointer describes the target device- not the
|
|
* adapter device, so we can't use the pointer to find out what kind of
|
|
* adapter we are and adjust accordingly.
|
|
*/
|
|
|
|
static void
|
|
ispminphys(bp)
|
|
struct buf *bp;
|
|
{
|
|
/*
|
|
* XX: Only the 1020 has a 24 bit limit.
|
|
*/
|
|
if (bp->b_bcount >= (1 << 24)) {
|
|
bp->b_bcount = (1 << 24);
|
|
}
|
|
minphys(bp);
|
|
}
|
|
|
|
static int
|
|
ispioctl(sc_link, cmd, addr, flag, p)
|
|
struct scsipi_link *sc_link;
|
|
u_long cmd;
|
|
caddr_t addr;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
struct ispsoftc *isp = sc_link->adapter_softc;
|
|
int s, chan, retval = ENOTTY;
|
|
|
|
chan = (sc_link->scsipi_scsi.channel == SCSI_CHANNEL_ONLY_ONE)? 0 :
|
|
sc_link->scsipi_scsi.channel;
|
|
|
|
switch (cmd) {
|
|
case SCBUSACCEL:
|
|
{
|
|
struct scbusaccel_args *sp = (struct scbusaccel_args *)addr;
|
|
if (IS_SCSI(isp) && sp->sa_lun == 0) {
|
|
int dflags = 0;
|
|
sdparam *sdp = SDPARAM(isp);
|
|
|
|
sdp += chan;
|
|
if (sp->sa_flags & SC_ACCEL_TAGS)
|
|
dflags |= DPARM_TQING;
|
|
if (sp->sa_flags & SC_ACCEL_WIDE)
|
|
dflags |= DPARM_WIDE;
|
|
if (sp->sa_flags & SC_ACCEL_SYNC)
|
|
dflags |= DPARM_SYNC;
|
|
s = splbio();
|
|
sdp->isp_devparam[sp->sa_target].dev_flags |= dflags;
|
|
dflags = sdp->isp_devparam[sp->sa_target].dev_flags;
|
|
sdp->isp_devparam[sp->sa_target].dev_update = 1;
|
|
isp->isp_update |= (1 << chan);
|
|
splx(s);
|
|
isp_prt(isp, ISP_LOGDEBUG1,
|
|
"ispioctl: device flags 0x%x for %d.%d.X",
|
|
dflags, chan, sp->sa_target);
|
|
}
|
|
retval = 0;
|
|
break;
|
|
}
|
|
case SCBUSIORESET:
|
|
s = splbio();
|
|
if (isp_control(isp, ISPCTL_RESET_BUS, &chan))
|
|
retval = EIO;
|
|
else
|
|
retval = 0;
|
|
(void) splx(s);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return (retval);
|
|
}
|
|
|
|
|
|
static int32_t
|
|
ispcmd(xs)
|
|
XS_T *xs;
|
|
{
|
|
struct ispsoftc *isp;
|
|
int result, s;
|
|
|
|
isp = XS_ISP(xs);
|
|
s = splbio();
|
|
if (isp->isp_state < ISP_RUNSTATE) {
|
|
DISABLE_INTS(isp);
|
|
isp_init(isp);
|
|
if (isp->isp_state != ISP_INITSTATE) {
|
|
ENABLE_INTS(isp);
|
|
(void) splx(s);
|
|
XS_SETERR(xs, HBA_BOTCH);
|
|
return (COMPLETE);
|
|
}
|
|
isp->isp_state = ISP_RUNSTATE;
|
|
ENABLE_INTS(isp);
|
|
}
|
|
|
|
/*
|
|
* Check for queue blockage...
|
|
*/
|
|
if (isp->isp_osinfo.blocked) {
|
|
if (xs->xs_control & XS_CTL_POLL) {
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
splx(s);
|
|
return (TRY_AGAIN_LATER);
|
|
}
|
|
TAILQ_INSERT_TAIL(&isp->isp_osinfo.waitq, xs, adapter_q);
|
|
splx(s);
|
|
return (SUCCESSFULLY_QUEUED);
|
|
}
|
|
|
|
if (xs->xs_control & XS_CTL_POLL) {
|
|
volatile u_int8_t ombi = isp->isp_osinfo.no_mbox_ints;
|
|
isp->isp_osinfo.no_mbox_ints = 1;
|
|
result = isp_polled_cmd(isp, xs);
|
|
isp->isp_osinfo.no_mbox_ints = ombi;
|
|
(void) splx(s);
|
|
return (result);
|
|
}
|
|
|
|
result = isp_start(xs);
|
|
switch (result) {
|
|
case CMD_QUEUED:
|
|
result = SUCCESSFULLY_QUEUED;
|
|
if (xs->timeout) {
|
|
callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs);
|
|
}
|
|
break;
|
|
case CMD_EAGAIN:
|
|
result = TRY_AGAIN_LATER;
|
|
break;
|
|
case CMD_RQLATER:
|
|
result = SUCCESSFULLY_QUEUED;
|
|
callout_reset(&xs->xs_callout, hz, isp_command_requeue, xs);
|
|
break;
|
|
case CMD_COMPLETE:
|
|
result = COMPLETE;
|
|
break;
|
|
}
|
|
(void) splx(s);
|
|
return (result);
|
|
}
|
|
|
|
static int
|
|
isp_polled_cmd(isp, xs)
|
|
struct ispsoftc *isp;
|
|
XS_T *xs;
|
|
{
|
|
int result;
|
|
int infinite = 0, mswait;
|
|
|
|
result = isp_start(xs);
|
|
|
|
switch (result) {
|
|
case CMD_QUEUED:
|
|
result = SUCCESSFULLY_QUEUED;
|
|
break;
|
|
case CMD_RQLATER:
|
|
case CMD_EAGAIN:
|
|
if (XS_NOERR(xs)) {
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
}
|
|
result = TRY_AGAIN_LATER;
|
|
break;
|
|
case CMD_COMPLETE:
|
|
result = COMPLETE;
|
|
break;
|
|
|
|
}
|
|
|
|
if (result != SUCCESSFULLY_QUEUED) {
|
|
return (result);
|
|
}
|
|
|
|
/*
|
|
* If we can't use interrupts, poll on completion.
|
|
*/
|
|
if ((mswait = XS_TIME(xs)) == 0)
|
|
infinite = 1;
|
|
|
|
while (mswait || infinite) {
|
|
if (isp_intr((void *)isp)) {
|
|
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);
|
|
}
|
|
}
|
|
result = COMPLETE;
|
|
return (result);
|
|
}
|
|
|
|
void
|
|
isp_done(xs)
|
|
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);
|
|
scsipi_done(xs);
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_dog(arg)
|
|
void *arg;
|
|
{
|
|
XS_T *xs = arg;
|
|
struct ispsoftc *isp = XS_ISP(xs);
|
|
u_int32_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 r, r1, i;
|
|
|
|
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);
|
|
|
|
i = 0;
|
|
do {
|
|
r = ISP_READ(isp, BIU_ISR);
|
|
USEC_DELAY(1);
|
|
r1 = ISP_READ(isp, BIU_ISR);
|
|
} while (r != r1 && ++i < 1000);
|
|
|
|
if (INT_PENDING(isp, r) && isp_intr(isp) && XS_CMD_DONE_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1, "watchdog cleanup (%x, %x)",
|
|
handle, r);
|
|
XS_CMD_C_WDOG(xs);
|
|
isp_done(xs);
|
|
} else if (XS_CMD_GRACE_P(xs)) {
|
|
isp_prt(isp, ISP_LOGDEBUG1, "watchdog timeout (%x, %x)",
|
|
handle, r);
|
|
/*
|
|
* 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 iptr, optr;
|
|
ispreq_t *mp;
|
|
isp_prt(isp, ISP_LOGDEBUG2,
|
|
"possible command timeout (%x, %x)", handle, r);
|
|
XS_CMD_C_WDOG(xs);
|
|
callout_reset(&xs->xs_callout, hz, isp_dog, xs);
|
|
if (isp_getrqentry(isp, &iptr, &optr, (void **) &mp)) {
|
|
ISP_IUNLOCK(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_SWIZZLE_REQUEST(isp, mp);
|
|
ISP_ADD_REQUEST(isp, iptr);
|
|
}
|
|
} else {
|
|
isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command");
|
|
}
|
|
ISP_IUNLOCK(isp);
|
|
}
|
|
|
|
/*
|
|
* 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(isp)
|
|
struct ispsoftc *isp;
|
|
{
|
|
isp_lock(isp);
|
|
/*
|
|
* Leave with interrupts disabled.
|
|
*/
|
|
DISABLE_INTS(isp);
|
|
isp_unlock(isp);
|
|
}
|
|
|
|
/*
|
|
* Restart function for a command to be requeued later.
|
|
*/
|
|
static void
|
|
isp_command_requeue(arg)
|
|
void *arg;
|
|
{
|
|
struct scsipi_xfer *xs = arg;
|
|
struct ispsoftc *isp = XS_ISP(xs);
|
|
ISP_ILOCK(isp);
|
|
switch (ispcmd(xs)) {
|
|
case SUCCESSFULLY_QUEUED:
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"requeued commands for %d.%d", XS_TGT(xs), XS_LUN(xs));
|
|
if (xs->timeout) {
|
|
callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs);
|
|
}
|
|
break;
|
|
case TRY_AGAIN_LATER:
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"EAGAIN on requeue for %d.%d", XS_TGT(xs), XS_LUN(xs));
|
|
callout_reset(&xs->xs_callout, hz, isp_command_requeue, xs);
|
|
break;
|
|
case COMPLETE:
|
|
/* can only be an error */
|
|
XS_CMD_S_DONE(xs);
|
|
callout_stop(&xs->xs_callout);
|
|
if (XS_NOERR(xs)) {
|
|
XS_SETERR(xs, HBA_BOTCH);
|
|
}
|
|
scsipi_done(xs);
|
|
break;
|
|
}
|
|
ISP_IUNLOCK(isp);
|
|
}
|
|
|
|
/*
|
|
* Restart function after a LOOP UP event (e.g.),
|
|
* done as a timeout for some hysteresis.
|
|
*/
|
|
static void
|
|
isp_internal_restart(arg)
|
|
void *arg;
|
|
{
|
|
struct ispsoftc *isp = arg;
|
|
int result, nrestarted = 0;
|
|
|
|
ISP_ILOCK(isp);
|
|
if (isp->isp_osinfo.blocked == 0) {
|
|
struct scsipi_xfer *xs;
|
|
while ((xs = TAILQ_FIRST(&isp->isp_osinfo.waitq)) != NULL) {
|
|
TAILQ_REMOVE(&isp->isp_osinfo.waitq, xs, adapter_q);
|
|
result = isp_start(xs);
|
|
if (result != CMD_QUEUED) {
|
|
isp_prt(isp, ISP_LOGERR,
|
|
"botched command restart (err=%d)", result);
|
|
XS_CMD_S_DONE(xs);
|
|
if (xs->error == XS_NOERROR)
|
|
xs->error = XS_DRIVER_STUFFUP;
|
|
callout_stop(&xs->xs_callout);
|
|
scsipi_done(xs);
|
|
} else if (xs->timeout) {
|
|
callout_reset(&xs->xs_callout,
|
|
_XT(xs), isp_dog, xs);
|
|
}
|
|
nrestarted++;
|
|
}
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"isp_restart requeued %d commands", nrestarted);
|
|
}
|
|
ISP_IUNLOCK(isp);
|
|
}
|
|
|
|
int
|
|
isp_async(isp, cmd, arg)
|
|
struct ispsoftc *isp;
|
|
ispasync_t cmd;
|
|
void *arg;
|
|
{
|
|
int bus, tgt;
|
|
int s = splbio();
|
|
switch (cmd) {
|
|
case ISPASYNC_NEW_TGT_PARAMS:
|
|
if (IS_SCSI(isp) && isp->isp_dblev) {
|
|
sdparam *sdp = isp->isp_param;
|
|
char *wt;
|
|
int mhz, flags, period;
|
|
|
|
tgt = *((int *) arg);
|
|
bus = (tgt >> 16) & 0xffff;
|
|
tgt &= 0xffff;
|
|
sdp += bus;
|
|
flags = sdp->isp_devparam[tgt].cur_dflags;
|
|
period = sdp->isp_devparam[tgt].cur_period;
|
|
|
|
if ((flags & DPARM_SYNC) && period &&
|
|
(sdp->isp_devparam[tgt].cur_offset) != 0) {
|
|
/*
|
|
* There's some ambiguity about our negotiated speed
|
|
* if we haven't detected LVD mode correctly (which
|
|
* seems to happen, unfortunately). If we're in LVD
|
|
* mode, then different rules apply about speed.
|
|
*/
|
|
if (sdp->isp_lvdmode || period < 0xc) {
|
|
switch (period) {
|
|
case 0x9:
|
|
mhz = 80;
|
|
break;
|
|
case 0xa:
|
|
mhz = 40;
|
|
break;
|
|
case 0xb:
|
|
mhz = 33;
|
|
break;
|
|
case 0xc:
|
|
mhz = 25;
|
|
break;
|
|
default:
|
|
mhz = 1000 / (period * 4);
|
|
break;
|
|
}
|
|
} else {
|
|
mhz = 1000 / (period * 4);
|
|
}
|
|
} else {
|
|
mhz = 0;
|
|
}
|
|
switch (flags & (DPARM_WIDE|DPARM_TQING)) {
|
|
case DPARM_WIDE:
|
|
wt = ", 16 bit wide";
|
|
break;
|
|
case DPARM_TQING:
|
|
wt = ", Tagged Queueing Enabled";
|
|
break;
|
|
case DPARM_WIDE|DPARM_TQING:
|
|
wt = ", 16 bit wide, Tagged Queueing Enabled";
|
|
break;
|
|
default:
|
|
wt = " ";
|
|
break;
|
|
}
|
|
if (mhz) {
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"Bus %d Target %d at %dMHz Max Offset %d%s",
|
|
bus, tgt, mhz, sdp->isp_devparam[tgt].cur_offset,
|
|
wt);
|
|
} else {
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"Bus %d Target %d Async Mode%s", bus, tgt, wt);
|
|
}
|
|
break;
|
|
}
|
|
case ISPASYNC_BUS_RESET:
|
|
if (arg)
|
|
bus = *((int *) arg);
|
|
else
|
|
bus = 0;
|
|
isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected", bus);
|
|
break;
|
|
case ISPASYNC_LOOP_DOWN:
|
|
/*
|
|
* Hopefully we get here in time to minimize the number
|
|
* of commands we are firing off that are sure to die.
|
|
*/
|
|
isp->isp_osinfo.blocked = 1;
|
|
isp_prt(isp, ISP_LOGINFO, "Loop DOWN");
|
|
break;
|
|
case ISPASYNC_LOOP_UP:
|
|
isp->isp_osinfo.blocked = 0;
|
|
callout_reset(&isp->isp_osinfo._restart, 1,
|
|
isp_internal_restart, isp);
|
|
isp_prt(isp, ISP_LOGINFO, "Loop UP");
|
|
break;
|
|
case ISPASYNC_PDB_CHANGED:
|
|
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] = {
|
|
"No", "Target", "Initiator", "Target/Initiator"
|
|
};
|
|
char *ptr;
|
|
fcparam *fcp = isp->isp_param;
|
|
int tgt = *((int *) arg);
|
|
struct lportdb *lp = &fcp->portdb[tgt];
|
|
|
|
if (lp->valid) {
|
|
ptr = "arrived";
|
|
} else {
|
|
ptr = "disappeared";
|
|
}
|
|
isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid,
|
|
roles[lp->roles & 0x3], ptr,
|
|
(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;
|
|
}
|
|
#ifdef ISP2100_FABRIC
|
|
case ISPASYNC_CHANGE_NOTIFY:
|
|
isp_prt(isp, ISP_LOGINFO, "Name Server Database Changed");
|
|
break;
|
|
case ISPASYNC_FABRIC_DEV:
|
|
{
|
|
int target;
|
|
struct lportdb *lp;
|
|
sns_scrsp_t *resp = (sns_scrsp_t *) arg;
|
|
u_int32_t portid;
|
|
u_int64_t wwn;
|
|
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]));
|
|
wwn =
|
|
(((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]));
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"Fabric Device (Type 0x%x)@PortID 0x%x WWN 0x%08x%08x",
|
|
resp->snscb_port_type, portid, ((u_int32_t)(wwn >> 32)),
|
|
((u_int32_t)(wwn & 0xffffffff)));
|
|
if (resp->snscb_port_type != 2)
|
|
break;
|
|
for (target = FC_SNS_ID+1; target < MAX_FC_TARG; target++) {
|
|
lp = &fcp->portdb[target];
|
|
if (lp->port_wwn == wwn)
|
|
break;
|
|
}
|
|
if (target < MAX_FC_TARG) {
|
|
break;
|
|
}
|
|
for (target = FC_SNS_ID+1; target < MAX_FC_TARG; target++) {
|
|
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");
|
|
return (-1);
|
|
}
|
|
lp->port_wwn = lp->node_wwn = wwn;
|
|
lp->portid = portid;
|
|
break;
|
|
}
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
(void) splx(s);
|
|
return (0);
|
|
}
|
|
|
|
#include <machine/stdarg.h>
|
|
void
|
|
#ifdef __STDC__
|
|
isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...)
|
|
#else
|
|
isp_prt(isp, fmt, va_alist)
|
|
struct ispsoftc *isp;
|
|
char *fmt;
|
|
va_dcl;
|
|
#endif
|
|
{
|
|
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");
|
|
}
|