62 struct uevent {  struct
388 static void parse_event(const char *msg, struct uevent *uevent)  in parse_event()  argument
390     uevent->action = "";  in parse_event()
391     uevent->path = "";  in parse_event()
392     uevent->subsystem = "";  in parse_event()
393     uevent->firmware = "";  in parse_event()
394     uevent->major = -1;  in parse_event()
395     uevent->minor = -1;  in parse_event()
396     uevent->partition_name = NULL;  in parse_event()
397     uevent->partition_num = -1;  in parse_event()
398     uevent->device_name = NULL;  in parse_event()
404             uevent->action = msg;  in parse_event()
407             uevent->path = msg;  in parse_event()
410             uevent->subsystem = msg;  in parse_event()
413             uevent->firmware = msg;  in parse_event()
416             uevent->major = atoi(msg);  in parse_event()
419             uevent->minor = atoi(msg);  in parse_event()
422             uevent->partition_num = atoi(msg);  in parse_event()
425             uevent->partition_name = msg;  in parse_event()
428             uevent->device_name = msg;  in parse_event()
437                     uevent->action, uevent->path, uevent->subsystem,  in parse_event()
438                     uevent->firmware, uevent->major, uevent->minor);  in parse_event()
441 static char **get_character_device_symlinks(struct uevent *uevent)  in get_character_device_symlinks()  argument
450     pdev = find_platform_device(uevent->path);  in get_character_device_symlinks()
460     parent = strchr(uevent->path + pdev->path_len, '/');  in get_character_device_symlinks()
478         if (asprintf(&links[link_num], "/dev/usb/%s%.*s", uevent->subsystem, width, parent) > 0)  in get_character_device_symlinks()
494 static char **get_block_device_symlinks(struct uevent *uevent)  in get_block_device_symlinks()  argument
510     pdev = find_platform_device(uevent->path);  in get_block_device_symlinks()
514     } else if (!find_pci_device_prefix(uevent->path, buf, sizeof(buf))) {  in get_block_device_symlinks()
530     if (uevent->partition_name) {  in get_block_device_symlinks()
531         p = strdup(uevent->partition_name);  in get_block_device_symlinks()
533         if (strcmp(uevent->partition_name, p))  in get_block_device_symlinks()
534             NOTICE("Linking partition '%s' as '%s'\n", uevent->partition_name, p);  in get_block_device_symlinks()
542     if (uevent->partition_num >= 0) {  in get_block_device_symlinks()
543         if (asprintf(&links[link_num], "%s/by-num/p%d", link_path, uevent->partition_num) > 0)  in get_block_device_symlinks()
549     slash = strrchr(uevent->path, '/');  in get_block_device_symlinks()
586 static void handle_platform_device_event(struct uevent *uevent)  in handle_platform_device_event()  argument
588     const char *path = uevent->path;  in handle_platform_device_event()
590     if (!strcmp(uevent->action, "add"))  in handle_platform_device_event()
592     else if (!strcmp(uevent->action, "remove"))  in handle_platform_device_event()
596 static const char *parse_device_name(struct uevent *uevent, unsigned int len)  in parse_device_name()  argument
601     if((uevent->major < 0) || (uevent->minor < 0))  in parse_device_name()
605     name = strrchr(uevent->path, '/');  in parse_device_name()
620 static void handle_block_device_event(struct uevent *uevent)  in handle_block_device_event()  argument
627     name = parse_device_name(uevent, 64);  in handle_block_device_event()
634     if (!strncmp(uevent->path, "/devices/", 9))  in handle_block_device_event()
635         links = get_block_device_symlinks(uevent);  in handle_block_device_event()
637     handle_device(uevent->action, devpath, uevent->path, 1,  in handle_block_device_event()
638             uevent->major, uevent->minor, links);  in handle_block_device_event()
675 static void handle_generic_device_event(struct uevent *uevent)  in handle_generic_device_event()  argument
682     name = parse_device_name(uevent, 64);  in handle_generic_device_event()
687             ueventd_subsystem_find_by_name(uevent->subsystem);  in handle_generic_device_event()
694             devname = uevent->device_name;  in handle_generic_device_event()
703                     uevent->subsystem);  in handle_generic_device_event()
710     } else if (!strncmp(uevent->subsystem, "usb", 3)) {  in handle_generic_device_event()
711          if (!strcmp(uevent->subsystem, "usb")) {  in handle_generic_device_event()
712             if (uevent->device_name) {  in handle_generic_device_event()
713                 if (!assemble_devpath(devpath, "/dev", uevent->device_name))  in handle_generic_device_event()
722                  int bus_id = uevent->minor / 128 + 1;  in handle_generic_device_event()
723                  int device_id = uevent->minor % 128 + 1;  in handle_generic_device_event()
735      } else if (!strncmp(uevent->subsystem, "graphics", 8)) {  in handle_generic_device_event()
738      } else if (!strncmp(uevent->subsystem, "drm", 3)) {  in handle_generic_device_event()
741      } else if (!strncmp(uevent->subsystem, "oncrpc", 6)) {  in handle_generic_device_event()
744      } else if (!strncmp(uevent->subsystem, "adsp", 4)) {  in handle_generic_device_event()
747      } else if (!strncmp(uevent->subsystem, "msm_camera", 10)) {  in handle_generic_device_event()
750      } else if(!strncmp(uevent->subsystem, "input", 5)) {  in handle_generic_device_event()
753      } else if(!strncmp(uevent->subsystem, "mtd", 3)) {  in handle_generic_device_event()
756      } else if(!strncmp(uevent->subsystem, "sound", 5)) {  in handle_generic_device_event()
759      } else if(!strncmp(uevent->subsystem, "misc", 4) &&  in handle_generic_device_event()
767      links = get_character_device_symlinks(uevent);  in handle_generic_device_event()
772      handle_device(uevent->action, devpath, uevent->path, 0,  in handle_generic_device_event()
773              uevent->major, uevent->minor, links);  in handle_generic_device_event()
776 static void handle_device_event(struct uevent *uevent)  in handle_device_event()  argument
778 …if (!strcmp(uevent->action,"add") || !strcmp(uevent->action, "change") || !strcmp(uevent->action, …  in handle_device_event()
779         fixup_sys_perms(uevent->path);  in handle_device_event()
781     if (!strncmp(uevent->subsystem, "block", 5)) {  in handle_device_event()
782         handle_block_device_event(uevent);  in handle_device_event()
783     } else if (!strncmp(uevent->subsystem, "platform", 8)) {  in handle_device_event()
784         handle_platform_device_event(uevent);  in handle_device_event()
786         handle_generic_device_event(uevent);  in handle_device_event()
841 static void process_firmware_event(struct uevent *uevent)  in process_firmware_event()  argument
848          uevent->firmware, uevent->path);  in process_firmware_event()
850     l = asprintf(&root, SYSFS_PREFIX"%s/", uevent->path);  in process_firmware_event()
862     l = asprintf(&file1, FIRMWARE_DIR1"/%s", uevent->firmware);  in process_firmware_event()
866     l = asprintf(&file2, FIRMWARE_DIR2"/%s", uevent->firmware);  in process_firmware_event()
870     l = asprintf(&file3, FIRMWARE_DIR3"/%s", uevent->firmware);  in process_firmware_event()
897                 INFO("firmware: could not open '%s' %d\n", uevent->firmware, errno);  in process_firmware_event()
905         INFO("firmware: copy success { '%s', '%s' }\n", root, uevent->firmware);  in process_firmware_event()
907         INFO("firmware: copy failure { '%s', '%s' }\n", root, uevent->firmware);  in process_firmware_event()
926 static void handle_firmware_event(struct uevent *uevent)  in handle_firmware_event()  argument
931     if(strcmp(uevent->subsystem, "firmware"))  in handle_firmware_event()
934     if(strcmp(uevent->action, "add"))  in handle_firmware_event()
940         process_firmware_event(uevent);  in handle_firmware_event()
957         struct uevent uevent;  in handle_device_fd()  local
958         parse_event(msg, &uevent);  in handle_device_fd()
969         handle_device_event(&uevent);  in handle_device_fd()
970         handle_firmware_event(&uevent);  in handle_device_fd()