/* * Guillaume Cottenceau (gc@mandrakesoft.com) * * Copyright 2000 Mandrakesoft * * This software may be freely redistributed under the terms of the GNU * public license. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * Portions from Erik Troan (ewt@redhat.com) * * Copyright 1996 Red Hat Software * */ /* * This contains stuff related to probing: * (1) any (actually only SCSI, NET, CPQ, USB Controllers) devices (autoprobe for PCI and USB) * (2) IDE media * (3) SCSI media * (4) ETH devices */ #include #include #include #include #include #include #include #include #include #include #include #include #include "stage1.h" #include "log.h" #include "frontend.h" #include "modules.h" #include "pci-resource/pci-ids.h" #ifdef ENABLE_USB #include "usb-resource/usb-ids.h" #endif #include "probing.h" struct media_info { char * name; char * model; enum media_type type; }; static void warning_insmod_failed(enum insmod_return r) { if (IS_AUTOMATIC && r == INSMOD_FAILED_FILE_NOT_FOUND) return; if (r != INSMOD_OK) { if (r == INSMOD_FAILED_FILE_NOT_FOUND) stg1_error_message("This floppy doesn't contain the driver."); else stg1_error_message("Warning, installation of driver failed. (please include msg from for bugreports)"); } } #ifndef DISABLE_NETWORK struct net_description_elem { char * intf_name; char * intf_description; }; static struct net_description_elem net_descriptions[50]; static int net_descr_number = 0; static char * intf_descr_for_discover = NULL; static char * net_intf_too_early_name[50]; /* for modules providing more than one net intf */ static int net_intf_too_early_number = 0; static int net_intf_too_early_ptr = 0; void prepare_intf_descr(const char * intf_descr) { intf_descr_for_discover = strdup(intf_descr); } void net_discovered_interface(char * intf_name) { if (!intf_descr_for_discover) { net_intf_too_early_name[net_intf_too_early_number++] = strdup(intf_name); return; } if (!intf_name) { if (net_intf_too_early_ptr >= net_intf_too_early_number) { log_message("NET: was expecting another network interface (broken net module?)"); return; } net_descriptions[net_descr_number].intf_name = net_intf_too_early_name[net_intf_too_early_ptr++]; } else net_descriptions[net_descr_number].intf_name = strdup(intf_name); net_descriptions[net_descr_number].intf_description = strdup(intf_descr_for_discover); intf_descr_for_discover = NULL; net_descr_number++; } char * get_net_intf_description(char * intf_name) { int i; for (i = 0; i < net_descr_number ; i++) if (!strcmp(net_descriptions[i].intf_name, intf_name)) return net_descriptions[i].intf_description; return strdup("unknown"); } #endif struct pcitable_entry detected_devices[50]; int detected_devices_len = 0; /* FIXME: factorize with probe_that_type() */ static void add_detected_device(unsigned short vendor, unsigned short device, const char *name, const char *module) { struct pcitable_entry *dev = &detected_devices[detected_devices_len++]; dev->vendor = vendor; dev->device = device; strncpy(dev->module, module, 19); dev->module[19] = '\0'; strncpy(dev->description, name, 99); dev->description[99] = '\0'; log_message("detected device (%x, %x, %s, %s)", vendor, device, name, module); } static int check_device_full(struct pci_module_map_full * pcidb_full, unsigned int len_full, unsigned short vendor, unsigned short device, unsigned short subvendor, unsigned short subdevice) { int i; for (i = 0; i < len_full; i++) if (pcidb_full[i].vendor == vendor && pcidb_full[i].device == device) { if (pcidb_full[i].subvendor == subvendor && pcidb_full[i].subdevice == subdevice) { add_detected_device(pcidb_full[i].vendor, pcidb_full[i].device, pcidb_full[i].name, pcidb_full[i].module); return 1; } } return 0; } static int check_device(struct pci_module_map * pcidb, unsigned int len, unsigned short vendor, unsigned short device) { int i; for (i = 0; i < len; i++) if (pcidb[i].vendor == vendor && pcidb[i].device == device) { add_detected_device(pcidb[i].vendor, pcidb[i].device, pcidb[i].name, pcidb[i].module); return 1; } return 0; } void probing_detect_devices() { FILE * f = NULL; char buf[200]; static int already_detected_devices = 0; if (already_detected_devices) return; if (!(f = fopen("/proc/bus/pci/devices", "rb"))) { log_message("PCI: could not open proc file"); return; } while (1) { unsigned int i; unsigned short vendor, device, subvendor, subdevice, devbusfn; if (!fgets(buf, sizeof(buf), f)) break; sscanf(buf, "%hx %x", &devbusfn, &i); device = i; vendor = i >> 16; { int bus = devbusfn >> 8; int device_p = (devbusfn & 0xff) >> 3; int function = (devbusfn & 0xff) & 0x07; char file[100]; int sf; sprintf(file, "/proc/bus/pci/%02x/%02x.%d", bus, device_p, function); if ((sf = open(file, O_RDONLY)) == -1) { log_message("PCI: could not open file for full probe (%s)", file); continue; } if (read(sf, buf, 48) == -1) { log_message("PCI: could not read 48 bytes from %s", file); close(sf); continue; } close(sf); memcpy(&subvendor, buf+44, 2); memcpy(&subdevice, buf+46, 2); } #ifndef DISABLE_PCIADAPTERS #ifndef DISABLE_MEDIAS if (check_device_full(medias_pci_ids_full, medias_num_ids_full, vendor, device, subvendor, subdevice)) continue; if (check_device(medias_pci_ids, medias_num_ids, vendor, device)) continue; #endif #ifndef DISABLE_NETWORK if (check_device_full(network_pci_ids_full, network_num_ids_full, vendor, device, subvendor, subdevice)) continue; if (check_device(network_pci_ids, network_num_ids, vendor, device)) continue; #endif #endif #ifdef ENABLE_USB if (check_device(usb_pci_ids, usb_num_ids, vendor, device)) continue; #endif /* device can't be found in built-in pcitables, but keep it */ add_detected_device(vendor, device, "", ""); } fclose(f); already_detected_devices = 1; } #ifndef DISABLE_MEDIAS static const char * get_alternate_module(const char * name) { struct alternate_mapping { const char * a; const char * b; }; static struct alternate_mapping mappings[] = { { "ahci", "ata_piix" }, }; int mappings_nb = sizeof(mappings) / sizeof(struct alternate_mapping); int i; for (i=0; i> 16; { int bus = devbusfn >> 8; int device_p = (devbusfn & 0xff) >> 3; int function = (devbusfn & 0xff) & 0x07; char file[100]; int sf; sprintf(file, "/proc/bus/pci/%02x/%02x.%d", bus, device_p, function); if ((sf = open(file, O_RDONLY)) == -1) { log_message("PCI: could not open file for full probe (%s)", file); continue; } if (read(sf, buf, 48) == -1) { log_message("PCI: could not read 48 bytes from %s", file); close(sf); continue; } close(sf); memcpy(&class_prog, buf+9, 1); memcpy(&class_, buf+10, 2); memcpy(&subvendor, buf+44, 2); memcpy(&subdevice, buf+46, 2); } /* special rules below must be in sync with ldetect/pci.c */ if (class_ == PCI_CLASS_SERIAL_USB) { /* taken from kudzu's pci.c */ module = class_prog == 0 ? "usb-uhci" : class_prog == 0x10 ? "usb-ohci" : class_prog == 0x20 ? "ehci-hcd" : NULL; if (module) { name = "USB Controller"; type_ = USB_CONTROLLERS; goto found_pci_device; } } if (class_ == PCI_CLASS_SERIAL_FIREWIRE) { /* taken from kudzu's pci.c */ if (class_prog == 0x10) { module = strdup("ohci1394"); name = "Firewire Controller"; goto found_pci_device; } } for (i = 0; i < len_full; i++) if (pcidb_full[i].vendor == vendor && pcidb_full[i].device == device) { if (pcidb_full[i].subvendor == subvendor && pcidb_full[i].subdevice == subdevice) { name = pcidb_full[i].name; module = pcidb_full[i].module; goto found_pci_device; } } for (i = 0; i < len; i++) if (pcidb[i].vendor == vendor && pcidb[i].device == device) { name = pcidb[i].name; module = pcidb[i].module; goto found_pci_device; } continue; found_pci_device: discovered_device(type_, vendor, device, subvendor, subdevice, name, module); } end_pci_probe:; if (f) fclose(f); } #ifdef ENABLE_USB /* ---- USB probe ---------------------------------------------- */ if ((bus == BUS_USB || bus == BUS_ANY) && !(IS_NOAUTO)) { static int already_mounted_usbdev = 0; FILE * f = NULL; int len = 0; char buf[200]; struct usb_module_map * usbdb = NULL; if (!already_probed_usb_controllers) { already_probed_usb_controllers = 1; probe_that_type(USB_CONTROLLERS, BUS_ANY); } if (!already_mounted_usbdev) { already_mounted_usbdev = 1; if (mount("none", "/proc/bus/usb", "usbfs", 0, NULL) && mount("none", "/proc/bus/usb", "usbdevfs", 0, NULL)) { log_message("USB: couldn't mount /proc/bus/usb"); goto end_usb_probe; } wait_message("Detecting USB devices."); sleep(4); /* sucking background work */ my_insmod("usbkbd", ANY_DRIVER_TYPE, NULL, 0); my_insmod("keybdev", ANY_DRIVER_TYPE, NULL, 0); remove_wait_message(); } if (!(f = fopen("/proc/bus/usb/devices", "rb"))) { log_message("USB: could not open proc file"); goto end_usb_probe; } switch (type) { case NETWORK_DEVICES: usbdb = usb_usb_ids; len = usb_usb_num_ids; break; default: goto end_usb_probe; } while (1) { int i, vendor, id; if (!fgets(buf, sizeof(buf), f)) break; if (sscanf(buf, "P: Vendor=%x ProdID=%x", &vendor, &id) != 2) continue; for (i = 0; i < len; i++) { if (usbdb[i].vendor == vendor && usbdb[i].id == id) { log_message("USB: device %04x %04x is \"%s\" (%s)", vendor, id, usbdb[i].name, usbdb[i].module); #ifndef DISABLE_NETWORK if (type == NETWORK_DEVICES) { stg1_info_message("About to load driver for usb network device:\n \n%s", usbdb[i].name); prepare_intf_descr(usbdb[i].name); warning_insmod_failed(my_insmod(usbdb[i].module, NETWORK_DEVICES, NULL, 1)); if (intf_descr_for_discover) /* for modules providing more than one net intf */ net_discovered_interface(NULL); } #endif } } } end_usb_probe:; if (f) fclose(f); } #endif /* be sure to load usb-storage after SCSI adapters, so that they are in same order than reboot, so that naming is the same */ if (type == SCSI_ADAPTERS && already_probed_usb_controllers && !already_loaded_usb_scsi) { already_loaded_usb_scsi = 1; /* we can't allow additional modules floppy since we need usbkbd for keystrokes of usb keyboards */ my_insmod("usb-storage", SCSI_ADAPTERS, NULL, 0); if (module_already_present("ieee1394")) my_insmod("sbp2", SCSI_ADAPTERS, NULL, 0); wait_message("Detecting USB mass-storage devices."); sleep(10); /* sucking background work */ remove_wait_message(); } } static struct media_info * medias = NULL; static void find_media(enum media_bus bus) { char b[50]; char buf[5000]; struct media_info tmp[50]; int count = 0; int fd; if (medias) free(medias); /* that does not free the strings, by the way */ if (bus == BUS_SCSI || bus == BUS_USB || bus == BUS_ANY) { log_message("looking for SCSI adapters"); probe_that_type(SCSI_ADAPTERS, bus); } /* ----------------------------------------------- */ if (bus != BUS_IDE && bus != BUS_ANY) goto find_media_after_ide; log_message("looking for ide media"); strcpy(b, "/proc/ide/hd"); for (b[12] = 'a'; b[12] <= 't'; b[12]++) { int i; char ide_disk[] = "disk"; char ide_cdrom[] = "cdrom"; char ide_tape[] = "tape"; char ide_floppy[] = "floppy"; /* first, test if file exists (will tell if attached medium exists) */ b[13] = '\0'; if (access(b, R_OK)) continue; tmp[count].name = strdup("hda"); tmp[count].name[2] = b[12]; /* media type */ strcpy(b + 13, "/media"); fd = open(b, O_RDONLY); if (fd == -1) { log_message("failed to open %s for reading", b); continue; } i = read(fd, buf, sizeof(buf)); if (i == -1) { log_message("failed to read %s", b); continue; } buf[i] = '\0'; close(fd); if (ptr_begins_static_str(buf, ide_disk)) tmp[count].type = DISK; else if (ptr_begins_static_str(buf, ide_cdrom)) tmp[count].type = CDROM; else if (ptr_begins_static_str(buf, ide_tape)) tmp[count].type = TAPE; else if (ptr_begins_static_str(buf, ide_floppy)) tmp[count].type = FLOPPY; else tmp[count].type = UNKNOWN_MEDIA; /* media model */ strcpy(b + 13, "/model"); fd = open(b, O_RDONLY); if (fd == -1) { log_message("failed to open %s for reading", b); continue; } i = read(fd, buf, sizeof(buf)); if (i <= 0) { log_message("failed to read %s", b); tmp[count].model = strdup("(none)"); } else { buf[i-1] = '\0'; /* eat the \n */ tmp[count].model = strdup(buf); } close(fd); log_message("IDE/%d: %s is a %s", tmp[count].type, tmp[count].name, tmp[count].model); count++; } find_media_after_ide: /* ----------------------------------------------- */ if (bus != BUS_SCSI && bus != BUS_USB && bus != BUS_ANY) goto find_media_after_scsi; log_message("looking for scsi media"); fd = open("/proc/scsi/scsi", O_RDONLY); if (fd != -1) { FILE * f; enum { SCSI_TOP, SCSI_HOST, SCSI_VENDOR, SCSI_TYPE } state = SCSI_TOP; char * start, * chptr, * next, * end; char scsi_disk_count = 'a'; char scsi_cdrom_count = '0'; char scsi_tape_count = '0'; char scsi_no_devices[] = "Attached devices: none"; char scsi_some_devices[] = "Attached devices:"; char scsi_host[] = "Host: "; char scsi_vendor[] = " Vendor: "; int i = read(fd, &buf, sizeof(buf)-1); if (i < 1) { close(fd); goto end_scsi; } close(fd); buf[i] = '\0'; if (ptr_begins_static_str(buf, scsi_no_devices)) goto end_scsi; start = buf; while (*start) { char tmp_model[50]; char tmp_name[10]; chptr = start; while (*chptr != '\n') chptr++; *chptr = '\0'; next = chptr + 1; switch (state) { case SCSI_TOP: if (!ptr_begins_static_str(start, scsi_some_devices)) goto end_scsi; state = SCSI_HOST; break; case SCSI_HOST: if (!ptr_begins_static_str(start, scsi_host)) goto end_scsi; state = SCSI_VENDOR; break; case SCSI_VENDOR: if (!ptr_begins_static_str(start, scsi_vendor)) goto end_scsi; /* (1) Grab Vendor info */ start += 10; end = chptr = strstr(start, "Model:"); if (!chptr) goto end_scsi; chptr--; while (*chptr == ' ') chptr--; if (*chptr == ':') { chptr++; *(chptr + 1) = '\0'; strcpy(tmp_model,"(unknown)"); } else { *(chptr + 1) = '\0'; strcpy(tmp_model, start); } /* (2) Grab Model info */ start = end; start += 7; chptr = strstr(start, "Rev:"); if (!chptr) goto end_scsi; chptr--; while (*chptr == ' ') chptr--; *(chptr + 1) = '\0'; strcat(tmp_model, " "); strcat(tmp_model, start); tmp[count].model = strdup(tmp_model); state = SCSI_TYPE; break; case SCSI_TYPE: if (strncmp(" Type:", start, 7)) goto end_scsi; *tmp_name = '\0'; if (strstr(start, "Direct-Access")) { sprintf(tmp_name, "sd%c", scsi_disk_count++); tmp[count].type = DISK; } else if (strstr(start, "Sequential-Access")) { sprintf(tmp_name, "st%c", scsi_tape_count++); tmp[count].type = TAPE; } else if (strstr(start, "CD-ROM")) { sprintf(tmp_name, "sr%c", scsi_cdrom_count++); tmp[count].type = CDROM; } if (!(f = fopen("/proc/partitions", "rb")) || !fgets(buf, sizeof(buf), f) || !fgets(buf, sizeof(buf), f)) { log_message("Couldn't open /proc/partitions"); } else { while (fgets(buf, sizeof(buf), f)) { char name[100]; int major, minor, blocks; memset(name, 0, sizeof(name)); sscanf(buf, " %d %d %d %s", &major, &minor, &blocks, name); if (streq(name, tmp_name) && tmp[count].type == DISK && ((blocks == 1048575) || (blocks == 1440))) tmp[count].type = FLOPPY; } fclose(f); } if (*tmp_name) { tmp[count].name = strdup(tmp_name); log_message("SCSI/%d: %s is a %s", tmp[count].type, tmp[count].name, tmp[count].model); count++; } state = SCSI_HOST; } start = next; } end_scsi:; } /* ----------------------------------------------- */ log_message("looking for Compaq Smart Array media"); { char * procfiles[] = { "/proc/driver/cpqarray/ida0", "/proc/driver/cciss/cciss0", // 2.4 style "/proc/array/ida", "/proc/cciss/cciss", // 2.2 style NULL }; static char cpq_descr[] = "Compaq RAID logical disk"; char ** procfile = procfiles; FILE * f; while (procfile && *procfile && (f = fopen(*procfile, "rb"))) { while (fgets(buf, sizeof(buf), f)) { if (ptr_begins_static_str(buf, "ida/") || ptr_begins_static_str(buf, "cciss/")) { char * end = strchr(buf, ':'); if (!end) log_message("Inconsistency in %s, line:\n%s", *procfile, buf); else { *end = '\0'; tmp[count].name = strdup(buf); tmp[count].type = DISK; tmp[count].model = cpq_descr; log_message("CPQ: found %s", tmp[count].name); count++; } } } fclose(f); procfile++; } } /* ----------------------------------------------- */ log_message("looking for DAC960"); { FILE * f; if ((f = fopen("/tmp/syslog", "rb"))) { while (fgets(buf, sizeof(buf), f)) { char * start; if ((start = strstr(buf, "/dev/rd/"))) { char * end = strchr(start, ':'); if (!end) log_message("Inconsistency in syslog, line:\n%s", buf); else { *end = '\0'; tmp[count].name = strdup(start+5); tmp[count].type = DISK; start = end + 2; end = strchr(start, ','); if (end) { *end = '\0'; tmp[count].model = strdup(start); } else tmp[count].model = "(unknown)"; log_message("DAC960: found %s (%s)", tmp[count].name, tmp[count].model); count++; } } } fclose(f); } } find_media_after_scsi: /* ----------------------------------------------- */ tmp[count].name = NULL; count++; medias = memdup(tmp, sizeof(struct media_info) * count); } /* Finds by media */ void get_medias(enum media_type media, char *** names, char *** models, enum media_bus bus) { struct media_info * m; char * tmp_names[50]; char * tmp_models[50]; int count; find_media(bus); m = medias; count = 0; while (m && m->name) { if (m->type == media) { tmp_names[count] = strdup(m->name); tmp_models[count++] = strdup(m->model); } m++; } tmp_names[count] = NULL; tmp_models[count++] = NULL; *names = memdup(tmp_names, sizeof(char *) * count); *models = memdup(tmp_models, sizeof(char *) * count); } #ifndef DISABLE_NETWORK static int is_net_interface_blacklisted(char *intf) { /* see detect_devicess::is_lan_interface() */ char * blacklist[] = { "lo", "ippp", "isdn", "plip", "ppp", "wifi", "sit", NULL }; char ** ptr = blacklist; while (ptr && *ptr) { if (!strncmp(intf, *ptr, strlen(*ptr))) return 1; ptr++; } return 0; } char ** get_net_devices(void) { char * tmp[50]; static int already_probed = 0; FILE * f; int i = 0; if (!already_probed) { already_probed = 1; /* cut off loop brought by: probe_that_type => my_insmod => get_net_devices */ probe_that_type(NETWORK_DEVICES, BUS_ANY); } /* use /proc/net/dev since SIOCGIFCONF doesn't work with some drivers (rt2500) */ f = fopen("/proc/net/dev", "rb"); if (f) { char line[128]; /* skip the two first lines */ fgets(line, sizeof(line), f); fgets(line, sizeof(line), f); while (1) { char *start, *end; if (!fgets(line, sizeof(line), f)) break; start = line; while (*start == ' ') start++; end = strchr(start, ':'); if (end) end[0] = '\0'; if (!is_net_interface_blacklisted(start)) { log_message("found net interface %s", start); tmp[i++] = strdup(start); } else { log_message("found net interface %s, but blacklisted", start); } } fclose(f); } else { log_message("net: could not open devices file"); } tmp[i++] = NULL; return memdup(tmp, sizeof(char *) * i); } #endif /* DISABLE_NETWORK */