pci_axq.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* PCI nexus driver interface
*/
#include <sys/ddi_impldefs.h>
#include <sys/ddi_subrdefs.h>
/*LINTLIBRARY*/
/*
* On Sunfire 15k systems with AXQs less than 6.1
* we have to use special PIO routines that limit
* the number of outstanding PIOs. We setup the
* handle with pointers to our special functions
* after it has been succesfully mapped by our
* parent.
*/
void
{
(int (*)(dev_info_t *)) modgetsymvalue(
"starcat_axq_pio_workaround", 0);
if (axq_pio_workaround) {
} else
pbm_p->pbm_pio_limit = 0;
}
void
{
return;
if (!pbm_p->pbm_pio_limit)
return;
}
/*
* less than 6.1. These routines limit the number of outsanding
* PIOs issues across a PCI Bus.
*/
static uint8_t
{
spl = ddi_enter_critical();
return (data);
}
static uint16_t
{
spl = ddi_enter_critical();
return (data);
}
static uint32_t
{
spl = ddi_enter_critical();
return (data);
}
static uint64_t
{
spl = ddi_enter_critical();
return (data);
}
static void
{
spl = ddi_enter_critical();
membar_sync();
}
static void
{
spl = ddi_enter_critical();
membar_sync();
}
static void
{
spl = ddi_enter_critical();
membar_sync();
}
static void
{
spl = ddi_enter_critical();
membar_sync();
}
static void
{
spl = ddi_enter_critical();
}
static void
{
spl = ddi_enter_critical();
}
static void
{
spl = ddi_enter_critical();
}
static void
{
spl = ddi_enter_critical();
}
static void
{
spl = ddi_enter_critical();
while (repcount--) {
membar_sync();
if (flags == DDI_DEV_AUTOINCR)
dev_addr++;
host_addr++;
}
}
static void
{
spl = ddi_enter_critical();
while (repcount--) {
membar_sync();
if (flags == DDI_DEV_AUTOINCR)
dev_addr++;
host_addr++;
}
}
static void
{
spl = ddi_enter_critical();
while (repcount--) {
membar_sync();
if (flags == DDI_DEV_AUTOINCR)
dev_addr++;
host_addr++;
}
}
static void
{
spl = ddi_enter_critical();
while (repcount--) {
membar_sync();
if (flags == DDI_DEV_AUTOINCR)
dev_addr++;
host_addr++;
}
}