/*ARGSUSED*/
static int
iob_enum(topo_mod_t *mp, tnode_t *pn, const char *name, topo_instance_t imin,
topo_instance_t imax, void *notused)
{
topo_mod_t *hbmod;
int rv;
did_hash_t *didhash;
di_prom_handle_t promtree;
if (strcmp(name, IOBOARD) != 0) {
topo_mod_dprintf(mp,
"Currently only know how to enumerate %s components.\n",
IOBOARD);
return (0);
}
if ((promtree = di_prom_init()) == DI_PROM_HANDLE_NIL) {
topo_mod_dprintf(mp,
"Ioboard enumerator: di_prom_handle_init failed.\n");
return (-1);
}
/*
* Load the hostbridge enumerator, we'll soon need it!
*/
if ((hbmod = hb_enumr_load(mp, pn)) == NULL) {
di_prom_fini(promtree);
return (-1);
}
if ((didhash = did_hash_init(mp)) == NULL) {
topo_mod_dprintf(mp,
"Hash initialization for ioboard enumerator failed.\n");
di_prom_fini(promtree);
topo_mod_unload(hbmod);
return (-1);
}
rv = platform_iob_enum(pn, imin, imax, didhash, promtree, mp);
did_hash_fini(didhash);
di_prom_fini(promtree);
topo_mod_unload(hbmod);
if (rv < 0)
return (topo_mod_seterrno(mp, EMOD_PARTIAL_ENUM));
else
return (0);
}
/*ARGSUSED*/
static int
hb_enum(topo_mod_t *mp, tnode_t *pn, const char *name, topo_instance_t imin,
topo_instance_t imax, void *notused, void *data)
{
int rv;
topo_mod_t *pcimod;
if (strcmp(name, HOSTBRIDGE) != 0) {
topo_mod_dprintf(mp,
"Currently only know how to enumerate %s components.\n",
HOSTBRIDGE);
return (0);
}
/*
* Load the pcibus enumerator
*/
if ((pcimod = pci_enumr_load(mp)) == NULL)
return (-1);
/*
* If we're asked to enumerate a whole range of hostbridges, then
* we need to find them all. If we're just asked to enumerate a
* single hostbridge, we expect our caller to have passed us linked
* did_t structures we can use to enumerate the singled out hostbridge.
*/
if (imin != imax) {
if (did_hash_init(mp) < 0) {
topo_mod_dprintf(mp,
"Hash initialization for hostbridge "
"enumerator failed.\n");
topo_mod_unload(pcimod);
return (-1);
}
rv = platform_hb_enum(mp, pn, name, imin, imax);
did_hash_fini(mp);
} else {
rv = specific_hb_enum(mp, pn, name, imin, imax, data);
}
return (rv);
}
int
pcifn_enum(topo_mod_t *mp, tnode_t *parent)
{
char *ccstr;
int rv = 0;
int i, e;
uint_t cc;
topo_mod_t *child_mod;
topo_mod_dprintf(mp, "Enumerating beneath pci(ex) function.\n");
/*
* Extract the class code of the PCI function and make sure
* it matches the type that the module cares about.
*/
if (topo_prop_get_string(parent,
TOPO_PGROUP_PCI, TOPO_PROP_CLASS, &ccstr, &e) < 0)
return (0);
if (sscanf(ccstr, "%x", &cc) != 1) {
topo_mod_strfree(mp, ccstr);
return (0);
}
topo_mod_strfree(mp, ccstr);
cc = cc >> 16;
for (i = 0; i < Pcifn_enumerator_count; i++) {
if (cc != Pcifn_enumerators[i].pfne_class)
continue;
child_mod = module_load(mp, parent,
Pcifn_enumerators[i].pfne_modname);
if (child_mod) {
rv = module_run(mp, parent,
&Pcifn_enumerators[i]) != 0 ? -1 : 0;
topo_mod_unload(child_mod);
}
}
return (rv);
}
/*
* opl_hb_enum gets the ioboard instance passed in, and determines the
* hostbridge and root complex instances numbers based on the bus addresses.
*/
int
opl_hb_enum(topo_mod_t *mp, const ioboard_contents_t *iob, tnode_t *ion,
int brd)
{
int hb;
int rc;
di_node_t p;
tnode_t *hbnode;
tnode_t *rcnode;
topo_mod_t *pcimod;
/* 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);
}
/* For each hostbridge on an ioboard... */
for (hb = 0; hb < OPL_HB_MAX; hb++) {
hbnode = NULL;
/* For each root complex in a hostbridge... */
for (rc = 0; rc < OPL_RC_MAX; rc++) {
p = iob->rcs[hb][rc];
/* If no root complex, continue */
if (p == DI_NODE_NIL) {
continue;
}
/* The root complex exists! */
topo_mod_dprintf(mp, "declaring "
"/chassis=0/ioboard=%d/hostbridge=%d/pciexrc=%d\n",
brd, hb, rc);
/*
* If we haven't created a hostbridge node yet, do it
* now.
*/
if (hbnode == NULL) {
hbnode = opl_hb_node_create(mp, ion, 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 = opl_rc_node_create(mp, hbnode, p, 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);
}
/* Enumerate pcibus nodes under the root complex */
if (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);
}
/*
* 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);
}
