blob: 0b678ae73acca2d53c96363a7f4356cb2502b6e5 [file] [log] [blame] [edit]
/*
* Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
* of PCI-SCSI IO processors.
*
* Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
*
* This driver is derived from the Linux sym53c8xx driver.
* Copyright (C) 1998-2000 Gerard Roudier
*
* The sym53c8xx driver is derived from the ncr53c8xx driver that had been
* a port of the FreeBSD ncr driver to Linux-1.2.13.
*
* The original ncr driver has been written for 386bsd and FreeBSD by
* Wolfgang Stanglmeier <wolf@cologne.de>
* Stefan Esser <se@mi.Uni-Koeln.de>
* Copyright (C) 1994 Wolfgang Stanglmeier
*
* Other major contributions:
*
* NVRAM detection and reading.
* Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
*
*-----------------------------------------------------------------------------
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sym_glue.h"
#ifdef SYM_OPT_ANNOUNCE_TRANSFER_RATE
/*
* Announce transfer rate if anything changed since last announcement.
*/
void sym_announce_transfer_rate(struct sym_hcb *np, int target)
{
tcb_p tp = &np->target[target];
#define __tprev tp->tinfo.prev
#define __tcurr tp->tinfo.curr
if (__tprev.options == __tcurr.options &&
__tprev.width == __tcurr.width &&
__tprev.offset == __tcurr.offset &&
!(__tprev.offset && __tprev.period != __tcurr.period))
return;
__tprev.options = __tcurr.options;
__tprev.width = __tcurr.width;
__tprev.offset = __tcurr.offset;
__tprev.period = __tcurr.period;
if (__tcurr.offset && __tcurr.period) {
u_int period, f10, mb10;
char *scsi;
period = f10 = mb10 = 0;
scsi = "FAST-5";
if (__tcurr.period <= 9) {
scsi = "FAST-80";
period = 125;
mb10 = 1600;
}
else {
if (__tcurr.period <= 11) {
scsi = "FAST-40";
period = 250;
if (__tcurr.period == 11)
period = 303;
}
else if (__tcurr.period < 25) {
scsi = "FAST-20";
if (__tcurr.period == 12)
period = 500;
}
else if (__tcurr.period <= 50) {
scsi = "FAST-10";
}
if (!period)
period = 40 * __tcurr.period;
f10 = 100000 << (__tcurr.width ? 1 : 0);
mb10 = (f10 + period/2) / period;
}
printf_info (
"%s:%d: %s %sSCSI %d.%d MB/s %s%s%s (%d.%d ns, offset %d)\n",
sym_name(np), target, scsi, __tcurr.width? "WIDE " : "",
mb10/10, mb10%10,
(__tcurr.options & PPR_OPT_DT) ? "DT" : "ST",
(__tcurr.options & PPR_OPT_IU) ? " IU" : "",
(__tcurr.options & PPR_OPT_QAS) ? " QAS" : "",
period/10, period%10, __tcurr.offset);
}
else
printf_info ("%s:%d: %sasynchronous.\n",
sym_name(np), target, __tcurr.width? "wide " : "");
}
#undef __tprev
#undef __tcurr
#endif /* SYM_OPT_ANNOUNCE_TRANSFER_RATE */