diff options
Diffstat (limited to 'drivers/platform/x86/intel/pmt/discovery.c')
| -rw-r--r-- | drivers/platform/x86/intel/pmt/discovery.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/pmt/discovery.c b/drivers/platform/x86/intel/pmt/discovery.c index 4b4fa3137ad2e..e72d43b675b46 100644 --- a/drivers/platform/x86/intel/pmt/discovery.c +++ b/drivers/platform/x86/intel/pmt/discovery.c @@ -583,6 +583,39 @@ abort_probe: return ret; } +static void pmt_get_features(struct intel_pmt_entry *entry, struct feature *f) +{ + int num_guids = f->table.header.num_guids; + int i; + + for (i = 0; i < num_guids; i++) { + if (f->table.guids[i] != entry->guid) + continue; + + entry->feature_flags |= BIT(f->id); + + if (feature_layout[f->id] == LAYOUT_RMID) + entry->num_rmids = f->table.rmid.num_rmids; + else + entry->num_rmids = 0; /* entry is kzalloc but set anyway */ + } +} + +void intel_pmt_get_features(struct intel_pmt_entry *entry) +{ + struct feature *feature; + + mutex_lock(&feature_list_lock); + list_for_each_entry(feature, &pmt_feature_list, list) { + if (feature->priv->parent != &entry->ep->pcidev->dev) + continue; + + pmt_get_features(entry, feature); + } + mutex_unlock(&feature_list_lock); +} +EXPORT_SYMBOL_NS_GPL(intel_pmt_get_features, "INTEL_PMT"); + static const struct auxiliary_device_id pmt_features_id_table[] = { { .name = "intel_vsec.discovery" }, {} |