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/*
* 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.
*/
#include <string.h>
#include <strings.h>
#include <libdevinfo.h>
#include <fm/topo_mod.h>
#include <fm/topo_hc.h>
#include <sys/fm/protocol.h>
#include "cpuboard_topo.h"
static const topo_pgroup_info_t io_pgroup =
{ TOPO_PGROUP_IO, TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 };
static const topo_pgroup_info_t pci_pgroup =
{ TOPO_PGROUP_PCI, TOPO_STABILITY_PRIVATE, TOPO_STABILITY_PRIVATE, 1 };
static tnode_t *
cpuboard_node_create(topo_mod_t *mp, tnode_t *parent, const char *name,
int inst, void *priv)
{
tnode_t *node;
nvlist_t *fmri;
nvlist_t *auth = topo_mod_auth(mp, parent);
topo_mod_dprintf(mp, "cpuboard_node_create:\n");
if (parent == NULL || inst < 0) {
return (NULL);
}
/* Create FMRI */
if ((fmri = topo_mod_hcfmri(mp, parent, FM_HC_SCHEME_VERSION, name,
inst, NULL, auth, NULL, NULL, NULL)) == NULL) {
topo_mod_dprintf(mp, "create of tnode for %s failed: %s",
name, topo_strerror(topo_mod_errno(mp)));
nvlist_free(auth);
return (NULL);
}
nvlist_free(auth);
/* Create and bind node */
node = topo_node_bind(mp, parent, name, inst, fmri);
if (node == NULL) {
nvlist_free(fmri);
topo_mod_dprintf(mp, "unable to bind root complex: %s\n",
topo_strerror(topo_mod_errno(mp)));
return (NULL); /* mod_errno already set */
}
nvlist_free(fmri);
topo_node_setspecific(node, priv);
return (node);
}
/*
* cpuboard_rc_node_create()
* Description:
* Create a root complex node pciexrc
* Parameters:
* mp: topo module pointer
* parent: topo parent node of the newly created pciexrc node
* dnode: Solaris device node of the root complex
* rcpath: Used to populated the dev property of the topo pciexrc node if
* the local host does not own the root complex.
*/
static tnode_t *
cpuboard_rc_node_create(topo_mod_t *mp, tnode_t *parent, di_node_t dnode,
char *rcpath, int inst)
{
int err;
tnode_t *rcn;
char *dnpath;
nvlist_t *mod;
topo_mod_dprintf(mp, "cpuboard_rc_node_create:\n");
rcn = cpuboard_node_create(mp, parent, PCIEX_ROOT, inst, (void *)dnode);
if (rcn == NULL) {
return (NULL);
}
/* Inherit parent FRU's label */
(void) topo_node_fru_set(rcn, NULL, 0, &err);
(void) topo_node_label_set(rcn, NULL, &err);
/*
* Set ASRU to be the dev-scheme ASRU
*/
if ((dnpath = di_devfs_path(dnode)) != NULL) {
nvlist_t *fmri;
/*
* The local host owns the root complex, so use the dev path
* from the di_devfs_path(), instead of the passed in rcpath,
* to populate the dev property.
*/
rcpath = dnpath;
fmri = topo_mod_devfmri(mp, FM_DEV_SCHEME_VERSION,
dnpath, NULL);
if (fmri == NULL) {
topo_mod_dprintf(mp,
"dev:///%s fmri creation failed.\n",
dnpath);
(void) topo_mod_seterrno(mp, err);
di_devfs_path_free(dnpath);
return (NULL);
}
if (topo_node_asru_set(rcn, fmri, 0, &err) < 0) {
topo_mod_dprintf(mp, "topo_node_asru_set failed\n");
(void) topo_mod_seterrno(mp, err);
nvlist_free(fmri);
di_devfs_path_free(dnpath);
return (NULL);
}
nvlist_free(fmri);
} else {
topo_mod_dprintf(mp, "NULL di_devfs_path.\n");
}
/*
* Set pciexrc properties for root complex nodes
*/
/* Add the io and pci property groups */
if (topo_pgroup_create(rcn, &io_pgroup, &err) < 0) {
topo_mod_dprintf(mp, "topo_pgroup_create failed\n");
di_devfs_path_free(dnpath);
(void) topo_mod_seterrno(mp, err);
return (NULL);
}
if (topo_pgroup_create(rcn, &pci_pgroup, &err) < 0) {
topo_mod_dprintf(mp, "topo_pgroup_create failed\n");
di_devfs_path_free(dnpath);
(void) topo_mod_seterrno(mp, err);
return (NULL);
}
/* Add the devfs path property */
if (rcpath) {
if (topo_prop_set_string(rcn, TOPO_PGROUP_IO, TOPO_IO_DEV,
TOPO_PROP_IMMUTABLE, rcpath, &err) != 0) {
topo_mod_dprintf(mp, "Failed to set DEV property\n");
(void) topo_mod_seterrno(mp, err);
}
}
if (dnpath) {
di_devfs_path_free(dnpath);
}
/* T5440 device type is always "pciex" */
if (topo_prop_set_string(rcn, TOPO_PGROUP_IO, TOPO_IO_DEVTYPE,
TOPO_PROP_IMMUTABLE, CPUBOARD_PX_DEVTYPE, &err) != 0) {
topo_mod_dprintf(mp, "Failed to set DEVTYPE property\n");
}
/* T5440 driver is always "px" */
if (topo_prop_set_string(rcn, TOPO_PGROUP_IO, TOPO_IO_DRIVER,
TOPO_PROP_IMMUTABLE, CPUBOARD_PX_DRV, &err) != 0) {
topo_mod_dprintf(mp, "Failed to set DRIVER property\n");
}
if ((mod = topo_mod_modfmri(mp, FM_MOD_SCHEME_VERSION, CPUBOARD_PX_DRV))
== NULL || topo_prop_set_fmri(rcn, TOPO_PGROUP_IO,
TOPO_IO_MODULE, TOPO_PROP_IMMUTABLE, mod, &err) != 0) {
topo_mod_dprintf(mp, "Failed to set MODULE property\n");
}
nvlist_free(mod);
/* This is a PCIEX Root Complex */
if (topo_prop_set_string(rcn, TOPO_PGROUP_PCI, TOPO_PCI_EXCAP,
TOPO_PROP_IMMUTABLE, PCIEX_ROOT, &err) != 0) {
topo_mod_dprintf(mp, "Failed to set EXCAP property\n");
}
/* BDF of T5440 root complex is constant */
if (topo_prop_set_string(rcn, TOPO_PGROUP_PCI,
TOPO_PCI_BDF, TOPO_PROP_IMMUTABLE, CPUBOARD_PX_BDF, &err) != 0) {
topo_mod_dprintf(mp, "Failed to set EXCAP property\n");
}
/* Make room for children */
(void) topo_node_range_create(mp, rcn, PCIEX_BUS, 0, CPUBOARD_MAX);
return (rcn);
}
/*
* Create a hostbridge node.
*/
static tnode_t *
cpuboard_hb_node_create(topo_mod_t *mp, tnode_t *parent, int inst)
{
int err;
tnode_t *hbn;
topo_mod_dprintf(mp, "cpuboard_hb_node_create: parent=%p, inst=%d\n",
parent, inst);
hbn = cpuboard_node_create(mp, parent, HOSTBRIDGE, inst, NULL);
if (hbn == NULL) {
topo_mod_dprintf(mp, "cpuboard_hb_node_create: "
"cpuboard_node_create() failed.\n");
return (NULL);
}
/* Inherit parent FRU's label */
(void) topo_node_fru_set(hbn, NULL, 0, &err);
(void) topo_node_label_set(hbn, NULL, &err);
/* Make room for children */
(void) topo_node_range_create(mp, hbn, PCIEX_ROOT, 0, CPUBOARD_MAX);
topo_mod_dprintf(mp, "cpuboard_hb_node_create: EXIT hbn=%p\n", hbn);
return (hbn);
}
/*
* Enumerate hostbridge on the cpuboard. Hostbridge and root complex instances
* match the cpuboard instance.
*/
int
cpuboard_hb_enum(topo_mod_t *mp, di_node_t dnode, char *rcpath,
tnode_t *cpubn, int brd)
{
int hb;
int rc;
tnode_t *hbnode;
tnode_t *rcnode;
topo_mod_t *pcimod;
topo_mod_dprintf(mp, "cpuboard_hb_enum: brd: %d, cpubn=%p\n",
brd, cpubn);
/* Load the pcibus module. We'll need it later. */
pcimod = topo_mod_load(mp, PCI_BUS, PCI_BUS_VERS);
if (pcimod == NULL) {
topo_mod_dprintf(mp, "can't load pcibus module: %s\n",
topo_strerror(topo_mod_errno(mp)));
return (-1);
}
hb = rc = brd;
/* The root complex exists! */
topo_mod_dprintf(mp, "declaring "
"/motherboard=0/cpuboard=%d/hostbridge=%d/"
"pciexrc=%d\n", brd, hb, rc);
/* Create the hostbridge node */
hbnode = cpuboard_hb_node_create(mp, cpubn, hb);
if (hbnode == NULL) {
topo_mod_dprintf(mp,
"unable to create hbnode: %s\n",
topo_strerror(topo_mod_errno(mp)));
topo_mod_unload(pcimod);
return (-1);
}
/* Create the root complex node */
rcnode = cpuboard_rc_node_create(mp, hbnode, dnode, rcpath, rc);
if (rcnode == NULL) {
topo_mod_dprintf(mp,
"unable to create rcnode: %s\n",
topo_strerror(topo_mod_errno(mp)));
topo_mod_unload(pcimod);
return (-1);
}
/*
* If dnode not NULL, enumerate pcibus nodes under the root complex.
* If dnode NULL, skip enumeration. Condition could occur if the RC
* is assigned to non-control domain.
*/
if ((dnode != NULL) && topo_mod_enumerate(pcimod, rcnode,
PCI_BUS, PCIEX_BUS, 0, 255, NULL) != 0) {
topo_mod_dprintf(mp,
"error enumerating pcibus: %s\n",
topo_strerror(topo_mod_errno(mp)));
topo_mod_unload(pcimod);
return (-1);
}
topo_mod_unload(pcimod);
return (0);
}
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