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Differential D5633 Diff 14316 sys/dev/bhnd/bhndb/bhndb.c

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sys/dev/bhnd/bhndb/bhndb.c

Context not available.
/* Fetch the base address of the mapped port. */ /* Fetch the base address of the mapped port. */
error = bhnd_get_region_addr(child, error = bhnd_get_region_addr(child,
regw->core.port_type, regw->core.port, regw->win_spec.core.port_type, regw->win_spec.core.port,
regw->core.region, &addr, &size); regw->win_spec.core.region, &addr, &size);
if (error) if (error)
return (error); return (error);
Context not available.
} }
if (hostb == NULL) { if (hostb == NULL) {
device_printf(sc->dev, "no host bridge core found\n"); if(sc->bus_res->cfg->is_hostb_required){
error = ENODEV; device_printf(sc->dev, "no host bridge core found\n");
goto cleanup; error = ENODEV;
goto cleanup;
}
device_printf(sc->dev, "WARNING: no host bridge core found\n");
} }
/* Find our full register window configuration */ /* Find our full register window configuration */
Context not available.
if (error) { if (error) {
device_printf(dev, device_printf(dev,
"failed to activate entry %#x type %d for " "failed to activate entry %#x type %d for "
"child %s\n", "child %s: %d\n",
*rid, type, device_get_nameunit(child)); *rid, type, device_get_nameunit(child), error);
rman_release_resource(rv); rman_release_resource(rv);
Context not available.
/* Look for a bus region matching the resource's address range */ /* Look for a bus region matching the resource's address range */
r_start = rman_get_start(r); r_start = rman_get_start(r);
r_size = rman_get_size(r); r_size = rman_get_size(r);
if(bootverbose){
device_printf(sc->dev, "%s: trying to activate %p (%ld) : rid=%d for %s\n",
__func__,
(void *)(uintptr_t)r_start, r_size, rid, device_get_nameunit(child));
bhndb_print_resources(sc->bus_res);
}
region = bhndb_find_resource_region(sc->bus_res, r_start, r_size); region = bhndb_find_resource_region(sc->bus_res, r_start, r_size);
if (region != NULL) if (region != NULL)
dw_priority = region->priority; dw_priority = region->priority;
if(bootverbose){
if(region == NULL){
device_printf(sc->dev, "%s: no region found\n", __func__);
}else{
device_printf(sc->dev, "%s: found %s region %p (%lld)\n", __func__ ,
((region->static_regwin) ? "static" : "dynamic"),
(void *)(uintptr_t)region->addr, region->size);
}
}
/* Prefer static mappings over consuming a dynamic windows. */ /* Prefer static mappings over consuming a dynamic windows. */
if (region && region->static_regwin) { if (region && region->static_regwin) {
error = bhndb_activate_static_region(sc, region, child, type, error = bhndb_activate_static_region(sc, region, child, type,
rid, r); rid, r);
if (error) if (error)
device_printf(sc->dev, "static window allocation " device_printf(sc->dev, "%s: static window allocation "
"for 0x%llx-0x%llx failed\n", "for 0x%llx-0x%llx failed\n",
__func__,
(unsigned long long) r_start, (unsigned long long) r_start,
(unsigned long long) r_start + r_size - 1); (unsigned long long) r_start + r_size - 1);
return (error); return (error);
Context not available.
/* A dynamic window will be required; is this resource high enough /* A dynamic window will be required; is this resource high enough
* priority to be reserved a dynamic window? */ * priority to be reserved a dynamic window? */
if (dw_priority < sc->bus_res->min_prio) { if (dw_priority < sc->bus_res->min_prio) {
device_printf(sc->dev, "%s: priority %d is lower than min priority %d\n",
__func__, dw_priority, sc->bus_res->min_prio);
if (indirect) if (indirect)
*indirect = true; *indirect = true;
return (ENOMEM); return (ENOMEM);
} }
if(bootverbose){
device_printf(sc->dev, "%s: trying to find and retain window...\n", __func__);
}
/* Find and retain a usable window */ /* Find and retain a usable window */
BHNDB_LOCK(sc); { BHNDB_LOCK(sc); {
dwa = bhndb_retain_dynamic_window(sc, r); dwa = bhndb_retain_dynamic_window(sc, r);
} BHNDB_UNLOCK(sc); } BHNDB_UNLOCK(sc);
if (dwa == NULL) { if (dwa == NULL) {
device_printf(sc->dev, "%s: no window is found...\n", __func__);
if (indirect) if (indirect)
*indirect = true; *indirect = true;
return (ENOMEM); return (ENOMEM);
Context not available.
parent_offset = dwa->win->win_offset; parent_offset = dwa->win->win_offset;
parent_offset += r_start - dwa->target; parent_offset += r_start - dwa->target;
if(bootverbose){
device_printf(sc->dev, "%s: parent_offset=%p\n", __func__ , (void*)(uintptr_t)parent_offset);
}
error = bhndb_init_child_resource(r, dwa->parent_res, parent_offset, error = bhndb_init_child_resource(r, dwa->parent_res, parent_offset,
dwa->win->win_size); dwa->win->win_size);
if (error) if (error)
Context not available.
DEVMETHOD(bhnd_bus_alloc_resource, bhndb_alloc_bhnd_resource), DEVMETHOD(bhnd_bus_alloc_resource, bhndb_alloc_bhnd_resource),
DEVMETHOD(bhnd_bus_release_resource, bhndb_release_bhnd_resource), DEVMETHOD(bhnd_bus_release_resource, bhndb_release_bhnd_resource),
DEVMETHOD(bhnd_bus_activate_resource, bhndb_activate_bhnd_resource), DEVMETHOD(bhnd_bus_activate_resource, bhndb_activate_bhnd_resource),
DEVMETHOD(bhnd_bus_activate_resource, bhndb_deactivate_bhnd_resource), DEVMETHOD(bhnd_bus_deactivate_resource, bhndb_deactivate_bhnd_resource),
DEVMETHOD(bhnd_bus_read_1, bhndb_bus_read_1), DEVMETHOD(bhnd_bus_read_1, bhndb_bus_read_1),
DEVMETHOD(bhnd_bus_read_2, bhndb_bus_read_2), DEVMETHOD(bhnd_bus_read_2, bhndb_bus_read_2),
DEVMETHOD(bhnd_bus_read_4, bhndb_bus_read_4), DEVMETHOD(bhnd_bus_read_4, bhndb_bus_read_4),
Context not available.