Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Warn if a sync period requiring DT was negotiated on a peripheral not 

capable of DT.
This commit is contained in:
thorpej 2003-10-10 05:58:56 +00:00
parent 15bb1be91b
commit c490cdc5be
1 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
sys/dev/scsipi/scsipi_base.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: scsipi_base.c,v 1.93 2003/09/09 02:37:55 mycroft Exp $ */
/* $NetBSD: scsipi_base.c,v 1.94 2003/10/10 05:58:56 thorpej Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2002, 2003 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: scsipi_base.c,v 1.93 2003/09/09 02:37:55 mycroft Exp $");
__KERNEL_RCSID(0, "$NetBSD: scsipi_base.c,v 1.94 2003/10/10 05:58:56 thorpej Exp $");
#include "opt_scsi.h"
@ -2229,6 +2229,8 @@ scsipi_async_event(chan, event, arg)
splx(s);
}
#define SCSI_MIN_DT_PERIOD 1250 /* FAST-80 and faster require DT */
/*
* scsipi_print_xfer_mode:
*
@ -2279,6 +2281,15 @@ scsipi_print_xfer_mode(periph)
printf(", tagged queueing");
printf("\n");
/*
* Warn if a sync period requiring DT was negotiated on a peripheral
* not capable of DT.
*/
if (period < SCSI_MIN_DT_PERIOD &&
(periph->periph_mode & PERIPH_CAP_DT) == 0)
printf("%s: WARNING: %d.%02dns period on non-DT device\n",
periph->periph_dev->dv_xname, period / 100, period % 100);
}
/*
@ -2342,7 +2353,7 @@ scsipi_async_event_xfer_mode(chan, xm)
* Clamp the xfer mode down to this periph's capabilities.
*/
mode = xm->xm_mode & periph->periph_cap;
if (mode & PERIPH_CAP_SYNC) {
if (mode & (PERIPH_CAP_SYNC | PERIPH_CAP_DT)) {
period = xm->xm_period;
offset = xm->xm_offset;
} else {