61 struct uevent {  struct
365 static void parse_event(const char *msg, struct uevent *uevent)  in parse_event()  argument
367     uevent->action = "";  in parse_event()
368     uevent->path = "";  in parse_event()
369     uevent->subsystem = "";  in parse_event()
370     uevent->firmware = "";  in parse_event()
371     uevent->major = -1;  in parse_event()
372     uevent->minor = -1;  in parse_event()
373     uevent->partition_name = NULL;  in parse_event()
374     uevent->partition_num = -1;  in parse_event()
375     uevent->device_name = NULL;  in parse_event()
381             uevent->action = msg;  in parse_event()
384             uevent->path = msg;  in parse_event()
387             uevent->subsystem = msg;  in parse_event()
390             uevent->firmware = msg;  in parse_event()
393             uevent->major = atoi(msg);  in parse_event()
396             uevent->minor = atoi(msg);  in parse_event()
399             uevent->partition_num = atoi(msg);  in parse_event()
402             uevent->partition_name = msg;  in parse_event()
405             uevent->device_name = msg;  in parse_event()
415              uevent->action, uevent->path, uevent->subsystem,  in parse_event()
416              uevent->firmware, uevent->major, uevent->minor);  in parse_event()
420 static char **get_character_device_symlinks(struct uevent *uevent)  in get_character_device_symlinks()  argument
429     pdev = find_platform_device(uevent->path);  in get_character_device_symlinks()
439     parent = strchr(uevent->path + pdev->path_len, '/');  in get_character_device_symlinks()
457         if (asprintf(&links[link_num], "/dev/usb/%s%.*s", uevent->subsystem, width, parent) > 0)  in get_character_device_symlinks()
473 static char **get_block_device_symlinks(struct uevent *uevent)  in get_block_device_symlinks()  argument
484     pdev = find_platform_device(uevent->path);  in get_block_device_symlinks()
488     } else if (!find_pci_device_prefix(uevent->path, buf, sizeof(buf))) {  in get_block_device_symlinks()
504     if (uevent->partition_name) {  in get_block_device_symlinks()
505         p = strdup(uevent->partition_name);  in get_block_device_symlinks()
507         if (strcmp(uevent->partition_name, p))  in get_block_device_symlinks()
508             NOTICE("Linking partition '%s' as '%s'\n", uevent->partition_name, p);  in get_block_device_symlinks()
516     if (uevent->partition_num >= 0) {  in get_block_device_symlinks()
517         if (asprintf(&links[link_num], "%s/by-num/p%d", link_path, uevent->partition_num) > 0)  in get_block_device_symlinks()
523     slash = strrchr(uevent->path, '/');  in get_block_device_symlinks()
560 static void handle_platform_device_event(struct uevent *uevent)  in handle_platform_device_event()  argument
562     const char *path = uevent->path;  in handle_platform_device_event()
564     if (!strcmp(uevent->action, "add"))  in handle_platform_device_event()
566     else if (!strcmp(uevent->action, "remove"))  in handle_platform_device_event()
570 static const char *parse_device_name(struct uevent *uevent, unsigned int len)  in parse_device_name()  argument
575     if((uevent->major < 0) || (uevent->minor < 0))  in parse_device_name()
579     name = strrchr(uevent->path, '/');  in parse_device_name()
594 static void handle_block_device_event(struct uevent *uevent)  in handle_block_device_event()  argument
601     name = parse_device_name(uevent, 64);  in handle_block_device_event()
608     if (!strncmp(uevent->path, "/devices/", 9))  in handle_block_device_event()
609         links = get_block_device_symlinks(uevent);  in handle_block_device_event()
611     handle_device(uevent->action, devpath, uevent->path, 1,  in handle_block_device_event()
612             uevent->major, uevent->minor, links);  in handle_block_device_event()
644 static void handle_generic_device_event(struct uevent *uevent)  in handle_generic_device_event()  argument
651     name = parse_device_name(uevent, 64);  in handle_generic_device_event()
656             ueventd_subsystem_find_by_name(uevent->subsystem);  in handle_generic_device_event()
663             devname = uevent->device_name;  in handle_generic_device_event()
672                     uevent->subsystem);  in handle_generic_device_event()
679     } else if (!strncmp(uevent->subsystem, "usb", 3)) {  in handle_generic_device_event()
680          if (!strcmp(uevent->subsystem, "usb")) {  in handle_generic_device_event()
681             if (uevent->device_name) {  in handle_generic_device_event()
682                 if (!assemble_devpath(devpath, "/dev", uevent->device_name))  in handle_generic_device_event()
691                  int bus_id = uevent->minor / 128 + 1;  in handle_generic_device_event()
692                  int device_id = uevent->minor % 128 + 1;  in handle_generic_device_event()
704      } else if (!strncmp(uevent->subsystem, "graphics", 8)) {  in handle_generic_device_event()
707      } else if (!strncmp(uevent->subsystem, "drm", 3)) {  in handle_generic_device_event()
710      } else if (!strncmp(uevent->subsystem, "oncrpc", 6)) {  in handle_generic_device_event()
713      } else if (!strncmp(uevent->subsystem, "adsp", 4)) {  in handle_generic_device_event()
716      } else if (!strncmp(uevent->subsystem, "msm_camera", 10)) {  in handle_generic_device_event()
719      } else if(!strncmp(uevent->subsystem, "input", 5)) {  in handle_generic_device_event()
722      } else if(!strncmp(uevent->subsystem, "mtd", 3)) {  in handle_generic_device_event()
725      } else if(!strncmp(uevent->subsystem, "sound", 5)) {  in handle_generic_device_event()
728      } else if(!strncmp(uevent->subsystem, "misc", 4) &&  in handle_generic_device_event()
736      links = get_character_device_symlinks(uevent);  in handle_generic_device_event()
741      handle_device(uevent->action, devpath, uevent->path, 0,  in handle_generic_device_event()
742              uevent->major, uevent->minor, links);  in handle_generic_device_event()
745 static void handle_device_event(struct uevent *uevent)  in handle_device_event()  argument
747 …if (!strcmp(uevent->action,"add") || !strcmp(uevent->action, "change") || !strcmp(uevent->action, …  in handle_device_event()
748         fixup_sys_perms(uevent->path);  in handle_device_event()
750     if (!strncmp(uevent->subsystem, "block", 5)) {  in handle_device_event()
751         handle_block_device_event(uevent);  in handle_device_event()
752     } else if (!strncmp(uevent->subsystem, "platform", 8)) {  in handle_device_event()
753         handle_platform_device_event(uevent);  in handle_device_event()
755         handle_generic_device_event(uevent);  in handle_device_event()
802 static void process_firmware_event(struct uevent *uevent)  in process_firmware_event()  argument
810          uevent->firmware, uevent->path);  in process_firmware_event()
812     l = asprintf(&root, SYSFS_PREFIX"%s/", uevent->path);  in process_firmware_event()
835         l = asprintf(&file, "%s/%s", firmware_dirs[i], uevent->firmware);  in process_firmware_event()
842                 INFO("firmware: copy success { '%s', '%s' }\n", root, uevent->firmware);  in process_firmware_event()
844                 INFO("firmware: copy failure { '%s', '%s' }\n", root, uevent->firmware);  in process_firmware_event()
857         INFO("firmware: could not open '%s': %s\n", uevent->firmware, strerror(errno));  in process_firmware_event()
875 static void handle_firmware_event(struct uevent *uevent)  in handle_firmware_event()  argument
879     if(strcmp(uevent->subsystem, "firmware"))  in handle_firmware_event()
882     if(strcmp(uevent->action, "add"))  in handle_firmware_event()
888         process_firmware_event(uevent);  in handle_firmware_event()
907         struct uevent uevent;  in handle_device_fd()  local
908         parse_event(msg, &uevent);  in handle_device_fd()
919         handle_device_event(&uevent);  in handle_device_fd()
920         handle_firmware_event(&uevent);  in handle_device_fd()