mach_ddi_impl.c revision fc256490629fe68815f7e0f23cf9b3545720cfac
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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
* or http://www.opensolaris.org/os/licensing.
* 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 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* sun4u specific DDI implementation
*/
#include <sys/bootconf.h>
#include <sys/conf.h>
#include <sys/machsystm.h>
#include <sys/idprom.h>
#include <sys/promif.h>
/*
* Favored drivers of this implementation
* architecture. These drivers MUST be present for
* the system to boot at all.
*/
char *impl_module_list[] = {
"rootnex",
"options",
"sad", /* Referenced via init_tbl[] */
"pseudo",
"clone",
"scsi_vhci",
(char *)0
};
/*
* Check the status of the device node passed as an argument.
*
* if ((status is OKAY) || (status is DISABLED))
* return DDI_SUCCESS
* else
* print a warning and return DDI_FAILURE
*/
/*ARGSUSED*/
int
check_status(int id, char *buf, dev_info_t *parent)
{
char status_buf[64];
extern int status_okay(int, char *, int);
/*
* is the status okay?
*/
if (status_okay(id, status_buf, sizeof (status_buf)))
return (DDI_SUCCESS);
return (DDI_FAILURE);
}
/*
* For Devices which are assigned to another logical domain, the
* firmware modifies the various PCI properties so that no
* driver will attach in the case where the OS instances does not
* support ldoms direct I/O. Since we do not support it, we can
* restore those properties to their expected values.
* See FWARC/2009/535.
*/
/*ARGSUSED*/
void
translate_devid(dev_info_t *dip)
{
int devid, venid, ssid, ssvid, rev, class_code;
char *new_compat[7];
int i;
int compat_entry_length = 30;
int ncompat = 7;
if ((devid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"real-device-id", -1)) == -1)
return;
if ((venid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"real-vendor-id", -1)) == -1)
return;
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "device-id", devid);
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "vendor-id", venid);
class_code = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"real-class-code", 0);
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "class-clode",
class_code);
ssvid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"real-subsystem-vendor-id", -1);
if (ssvid != -1)
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip,
"subsystem-vendor-id", ssvid);
ssid = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"real-subsystem-id", -1);
if (ssid != -1)
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "subsystem-id",
ssid);
rev = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"real-revision-id", 0);
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "revision-id", rev);
for (i = 0; i < ncompat; ++i) {
new_compat[i] = kmem_zalloc(compat_entry_length, KM_NOSLEEP);
if (new_compat[i] == NULL) {
cmn_err(CE_WARN, "translate_devid: kmem_alloc "
"failed\n");
ncompat = i;
goto cleanup;
}
}
(void) sprintf(new_compat[0], "pciex%x,%x.%x.%x.%x",
venid, devid, ssvid, ssid, rev);
(void) sprintf(new_compat[1], "pciex%x,%x.%x.%x",
venid, devid, ssvid, ssid);
(void) sprintf(new_compat[2], "pciex%x,%x.%x", venid, devid, rev);
(void) sprintf(new_compat[3], "pciex%x,%x", venid, devid);
(void) sprintf(new_compat[4], "pciexclass,%06x", class_code);
(void) sprintf(new_compat[5], "pciexclass,%04x", class_code >> 8);
(void) sprintf(new_compat[6], "pci%x,%x", venid, devid);
(void) ddi_prop_update_string_array(DDI_DEV_T_NONE, dip, "compatible",
(char **)new_compat, 7);
cleanup:
for (i = 0; i < ncompat; ++i)
kmem_free(new_compat[i], compat_entry_length);
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, "ddi-assigned", 0);
(void) ddi_prop_update_int(DDI_DEV_T_NONE, dip, DDI_NO_AUTODETACH, 1);
}