diff options
Diffstat (limited to 'lib/names-hash.c')
| -rw-r--r-- | lib/names-hash.c | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/lib/names-hash.c b/lib/names-hash.c index 33f3c11..9661d03 100644 --- a/lib/names-hash.c +++ b/lib/names-hash.c @@ -11,6 +11,11 @@ #include "internal.h" #include "names.h" +#ifdef PCI_HAVE_HWDB +#include <libudev.h> +#include <stdio.h> +#endif + struct id_bucket { struct id_bucket *next; unsigned int full; @@ -86,8 +91,58 @@ char *pci_id_lookup(struct pci_access *a, int flags, int cat, int id1, int id2, int id3, int id4) { struct id_entry *n, *best; - u32 id12 = id_pair(id1, id2); - u32 id34 = id_pair(id3, id4); + u32 id12, id34; + +#ifdef PCI_HAVE_HWDB + if (!(flags & PCI_LOOKUP_SKIP_LOCAL)) + { + char modalias[64]; + const char *key = NULL; + struct udev *udev = udev_new(); + struct udev_hwdb *hwdb = udev_hwdb_new(udev); + struct udev_list_entry *entry; + + switch(cat) + { + case ID_VENDOR: + sprintf(modalias, "pci:v%08X*", id1); + key = "ID_VENDOR_FROM_DATABASE"; + break; + case ID_DEVICE: + sprintf(modalias, "pci:v%08Xd%08X*", id1, id2); + key = "ID_MODEL_FROM_DATABASE"; + break; + case ID_SUBSYSTEM: + sprintf(modalias, "pci:v%08Xd%08Xsv%08Xsd%08X*", id1, id2, id3, id4); + key = "ID_MODEL_FROM_DATABASE"; + break; + case ID_GEN_SUBSYSTEM: + sprintf(modalias, "pci:v*d*sv%08Xsd%08X*", id1, id2); + key = "ID_MODEL_FROM_DATABASE"; + break; + case ID_CLASS: + sprintf(modalias, "pci:v*d*sv*sd*bc%02X*", id1); + key = "ID_PCI_CLASS_FROM_DATABASE"; + break; + case ID_SUBCLASS: + sprintf(modalias, "pci:v*d*sv*sd*bc%02Xsc%02X*", id1, id2); + key = "ID_PCI_SUBCLASS_FROM_DATABASE"; + break; + case ID_PROGIF: + sprintf(modalias, "pci:v*d*sv*sd*bc%02Xsc%02Xi%02X*", id1, id2, id3); + key = "ID_PCI_INTERFACE_FROM_DATABASE"; + break; + } + + if (key) + udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0)) + if (strcmp(udev_list_entry_get_name(entry), key) == 0) + return udev_list_entry_get_value(entry); + } +#endif + + id12 = id_pair(id1, id2); + id34 = id_pair(id3, id4); if (a->id_hash) { |