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author | Mystery Man <unknown@mandriva.org> | 2003-09-12 15:16:49 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2003-09-12 15:16:49 +0000 |
commit | e0a90440b5f10011c62a4ef2ad7ae53ee75eac56 (patch) | |
tree | 8fb507c45d54fb01a7532400679b607cb61e8f33 /mdk-stage1/probing.c | |
parent | 83fc804615d6576d1da05e6b5ac955345914a035 (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V9_2_11mdk'.V9_2_11mdk
Diffstat (limited to 'mdk-stage1/probing.c')
-rw-r--r-- | mdk-stage1/probing.c | 716 |
1 files changed, 0 insertions, 716 deletions
diff --git a/mdk-stage1/probing.c b/mdk-stage1/probing.c deleted file mode 100644 index 3fc80db51..000000000 --- a/mdk-stage1/probing.c +++ /dev/null @@ -1,716 +0,0 @@ -/* - * 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 <stdlib.h> -#include <unistd.h> -#include <stdio.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <sys/socket.h> -#include <net/if.h> -#include <sys/ioctl.h> -#include <sys/mount.h> -#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 <Alt-F3> 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 - -void discovered_device(enum driver_type type, - unsigned short vendor, unsigned short device, unsigned short subvendor, unsigned short subdevice, - const char * description, const char * driver) -{ - log_message("PCI: device %04x %04x %04x %04x is \"%s\", driver is %s", vendor, device, subvendor, subdevice, description, driver); -#ifndef DISABLE_MEDIAS - if (type == SCSI_ADAPTERS) { - int wait_msg = 0; - enum insmod_return failed; - if (IS_AUTOMATIC) { - wait_message("Loading driver for SCSI adapter:\n \n%s", description); - wait_msg = 1; - } else - stg1_info_message("About to load driver for SCSI adapter:\n \n%s", description); - failed = my_insmod(driver, SCSI_ADAPTERS, NULL); - if (wait_msg) - remove_wait_message(); - warning_insmod_failed(failed); - } -#endif -#ifndef DISABLE_NETWORK - if (type == NETWORK_DEVICES) { - stg1_info_message("About to load driver for network device:\n \n%s", description); - prepare_intf_descr(description); - warning_insmod_failed(my_insmod(driver, NETWORK_DEVICES, NULL)); - if (intf_descr_for_discover) /* for modules providing more than one net intf */ - net_discovered_interface(NULL); - } -#endif -#ifdef ENABLE_USB - if (type == USB_CONTROLLERS) - my_insmod(driver, USB_CONTROLLERS, NULL); -#endif -} - -#ifdef ENABLE_USB -void probe_that_type(enum driver_type type, enum media_bus bus) -#else -void probe_that_type(enum driver_type type, enum media_bus bus __attribute__ ((unused))) -#endif -{ - /* ---- PCI probe ---------------------------------------------- */ - { - FILE * f; - unsigned int len = 0; - unsigned int len_full = 0; - char buf[200]; - struct pci_module_map * pcidb = NULL; - struct pci_module_map_full * pcidb_full = NULL; - - switch (type) { -#ifndef DISABLE_PCIADAPTERS -#ifndef DISABLE_MEDIAS - static int already_probed_scsi_adapters = 0; - case SCSI_ADAPTERS: - if (already_probed_scsi_adapters) - goto end_pci_probe; - already_probed_scsi_adapters = 1; - pcidb = medias_pci_ids; - len = medias_num_ids; - pcidb_full = medias_pci_ids_full; - len_full = medias_num_ids_full; - break; -#endif -#ifndef DISABLE_NETWORK - case NETWORK_DEVICES: - pcidb = network_pci_ids; - len = network_num_ids; - pcidb_full = network_pci_ids_full; - len_full = network_num_ids_full; - break; -#endif -#endif -#ifdef ENABLE_USB - static int already_probed_usb_controllers = 0; - case USB_CONTROLLERS: - if (already_probed_usb_controllers || IS_NOAUTO) - goto end_pci_probe; - already_probed_usb_controllers = 1; - pcidb = usb_pci_ids; - len = usb_num_ids; - break; -#endif - default: - goto end_pci_probe; - } - - if (IS_EXPERT && type != USB_CONTROLLERS) { - ask_insmod(type); - return; - } - - if (!(f = fopen("/proc/bus/pci/devices", "rb"))) { - log_message("PCI: could not open proc file"); - goto end_pci_probe; - } - - while (1) { - unsigned int i; - unsigned short vendor, device, subvendor, subdevice, devbusfn; - subvendor = 0xFFFF; - - if (!fgets(buf, sizeof(buf), f)) break; - - sscanf(buf, "%hx %x", &devbusfn, &i); - device = i; - vendor = i >> 16; - - for (i = 0; i < len_full; i++) - if (pcidb_full[i].vendor == vendor && pcidb_full[i].device == device) { - if (subvendor == 0xFFFF) { - int bus = devbusfn >> 8; - int device_p = (devbusfn & 0xff) >> 3; - int function = (devbusfn & 0xff) & 0x07; - char file[100]; - int sf; - log_message("PCI: device %04x %04x needs full pci probe", vendor, device); - 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); - log_message("PCI: device is actually %04x %04x %04x %04x", vendor, device, subvendor, subdevice); - } - if (pcidb_full[i].subvendor == subvendor && pcidb_full[i].subdevice == subdevice) { - discovered_device(type, vendor, device, subvendor, subdevice, pcidb_full[i].name, pcidb_full[i].module); - goto next_pci_device; - } - } - - for (i = 0; i < len; i++) - if (pcidb[i].vendor == vendor && pcidb[i].device == device) { - discovered_device(type, vendor, device, 0xFFFF, 0xFFFF, pcidb[i].name, pcidb[i].module); - goto next_pci_device; - } - next_pci_device:; - } - fclose(f); - end_pci_probe:; - } - - -#ifdef ENABLE_USB - /* ---- USB probe ---------------------------------------------- */ - if ((bus == BUS_USB || bus == BUS_ANY) && !(IS_NOAUTO)) { - static int already_probed_usb_controllers = 0; - static int already_mounted_usbdev = 0; - - FILE * f; - 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; - my_insmod("usb-storage", SCSI_ADAPTERS, NULL); - if (module_already_present("ieee1394")) - my_insmod("sbp2", SCSI_ADAPTERS, NULL); - if (mount("/proc/bus/usb", "/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); - my_insmod("keybdev", ANY_DRIVER_TYPE, NULL); - 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)); - if (intf_descr_for_discover) /* for modules providing more than one net intf */ - net_discovered_interface(NULL); - } -#endif - - } - } - } - fclose(f); - end_usb_probe:; - } -#endif -} - - -#ifndef DISABLE_MEDIAS -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) - 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) { - 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 (*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); -} -#endif /* DISABLE_MEDIAS */ - - -#ifndef DISABLE_NETWORK -int net_device_available(char * device) { - struct ifreq req; - int s; - - s = socket(AF_INET, SOCK_DGRAM, 0); - if (s < 0) { - log_perror(device); - return 0; - } - strcpy(req.ifr_name, device); - if (ioctl(s, SIOCGIFFLAGS, &req)) { - /* if we can't get the flags, the networking device isn't available */ - close(s); - return 0; - } - close(s); - return 1; -} - - -char ** get_net_devices(void) -{ - char * devices[] = { - "eth0", "eth1", "eth2", "eth3", "eth4", "eth5", - "tr0", - "plip0", "plip1", "plip2", - "fddi0", -#ifdef ENABLE_USB - "usb0", "usb1", "usb2", "usb3", -#endif - NULL - }; - char ** ptr = devices; - char * tmp[50]; - int i = 0; - static int already_probed = 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); - } - - while (ptr && *ptr) { - if (net_device_available(*ptr)) - tmp[i++] = strdup(*ptr); - ptr++; - } - tmp[i++] = NULL; - - return memdup(tmp, sizeof(char *) * i); -} -#endif /* DISABLE_NETWORK */ |