2 * The PCI Library -- Looking up Names via UDEV and HWDB
4 * Copyright (c) 2013--2014 Tom Gundersen <teg@jklm.no>
5 * Copyright (c) 2014 Martin Mares <mj@ucw.cz>
7 * Can be freely distributed and used under the terms of the GNU GPL.
22 pci_id_hwdb_lookup(struct pci_access *a, int cat, int id1, int id2, int id3, int id4)
25 const char *key = NULL;
27 const char *disabled = pci_get_param(a, "hwdb.disable");
28 if (disabled && atoi(disabled))
34 sprintf(modalias, "pci:v%08X*", id1);
35 key = "ID_VENDOR_FROM_DATABASE";
38 sprintf(modalias, "pci:v%08Xd%08X*", id1, id2);
39 key = "ID_MODEL_FROM_DATABASE";
42 sprintf(modalias, "pci:v%08Xd%08Xsv%08Xsd%08X*", id1, id2, id3, id4);
43 key = "ID_MODEL_FROM_DATABASE";
45 case ID_GEN_SUBSYSTEM:
46 sprintf(modalias, "pci:v*d*sv%08Xsd%08X*", id1, id2);
47 key = "ID_MODEL_FROM_DATABASE";
50 sprintf(modalias, "pci:v*d*sv*sd*bc%02X*", id1);
51 key = "ID_PCI_CLASS_FROM_DATABASE";
54 sprintf(modalias, "pci:v*d*sv*sd*bc%02Xsc%02X*", id1, id2);
55 key = "ID_PCI_SUBCLASS_FROM_DATABASE";
58 sprintf(modalias, "pci:v*d*sv*sd*bc%02Xsc%02Xi%02X*", id1, id2, id3);
59 key = "ID_PCI_INTERFACE_FROM_DATABASE";
67 a->debug("Initializing UDEV HWDB\n");
68 a->id_udev = udev_new();
69 a->id_udev_hwdb = udev_hwdb_new(a->id_udev);
72 struct udev_list_entry *entry;
73 udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(a->id_udev_hwdb, modalias, 0))
74 if (strcmp(udev_list_entry_get_name(entry), key) == 0)
75 return pci_strdup(a, udev_list_entry_get_value(entry));
82 pci_id_hwdb_free(struct pci_access *a)
86 udev_hwdb_unref(a->id_udev_hwdb);
87 a->id_udev_hwdb = NULL;
91 udev_unref(a->id_udev);
99 pci_id_hwdb_lookup(struct pci_access *a UNUSED, int cat UNUSED, int id1 UNUSED, int id2 UNUSED, int id3 UNUSED, int id4 UNUSED)
105 pci_id_hwdb_free(struct pci_access *a UNUSED)