58 struct uevent {  struct
307 static void parse_event(const char *msg, struct uevent *uevent)  in parse_event()  argument
309     uevent->action = "";  in parse_event()
310     uevent->path = "";  in parse_event()
311     uevent->subsystem = "";  in parse_event()
312     uevent->firmware = "";  in parse_event()
313     uevent->major = -1;  in parse_event()
314     uevent->minor = -1;  in parse_event()
315     uevent->partition_name = NULL;  in parse_event()
316     uevent->partition_num = -1;  in parse_event()
317     uevent->device_name = NULL;  in parse_event()
323             uevent->action = msg;  in parse_event()
326             uevent->path = msg;  in parse_event()
329             uevent->subsystem = msg;  in parse_event()
332             uevent->firmware = msg;  in parse_event()
335             uevent->major = atoi(msg);  in parse_event()
338             uevent->minor = atoi(msg);  in parse_event()
341             uevent->partition_num = atoi(msg);  in parse_event()
344             uevent->partition_name = msg;  in parse_event()
347             uevent->device_name = msg;  in parse_event()
356                     uevent->action, uevent->path, uevent->subsystem,  in parse_event()
357                     uevent->firmware, uevent->major, uevent->minor);  in parse_event()
360 static char **get_character_device_symlinks(struct uevent *uevent)  in get_character_device_symlinks()  argument
369     pdev = find_platform_device(uevent->path);  in get_character_device_symlinks()
379     parent = strchr(uevent->path + pdev->path_len, '/');  in get_character_device_symlinks()
397         if (asprintf(&links[link_num], "/dev/usb/%s%.*s", uevent->subsystem, width, parent) > 0)  in get_character_device_symlinks()
413 static char **parse_platform_block_device(struct uevent *uevent)  in parse_platform_block_device()  argument
428     pdev = find_platform_device(uevent->path);  in parse_platform_block_device()
442     if (uevent->partition_name) {  in parse_platform_block_device()
443         p = strdup(uevent->partition_name);  in parse_platform_block_device()
452     if (uevent->partition_num >= 0) {  in parse_platform_block_device()
453         if (asprintf(&links[link_num], "%s/by-num/p%d", link_path, uevent->partition_num) > 0)  in parse_platform_block_device()
459     slash = strrchr(uevent->path, '/');  in parse_platform_block_device()
496 static void handle_platform_device_event(struct uevent *uevent)  in handle_platform_device_event()  argument
498     const char *path = uevent->path;  in handle_platform_device_event()
500     if (!strcmp(uevent->action, "add"))  in handle_platform_device_event()
502     else if (!strcmp(uevent->action, "remove"))  in handle_platform_device_event()
506 static const char *parse_device_name(struct uevent *uevent, unsigned int len)  in parse_device_name()  argument
511     if((uevent->major < 0) || (uevent->minor < 0))  in parse_device_name()
515     name = strrchr(uevent->path, '/');  in parse_device_name()
527 static void handle_block_device_event(struct uevent *uevent)  in handle_block_device_event()  argument
534     name = parse_device_name(uevent, 64);  in handle_block_device_event()
541     if (!strncmp(uevent->path, "/devices/", 9))  in handle_block_device_event()
542         links = parse_platform_block_device(uevent);  in handle_block_device_event()
544     handle_device(uevent->action, devpath, uevent->path, 1,  in handle_block_device_event()
545             uevent->major, uevent->minor, links);  in handle_block_device_event()
548 static void handle_generic_device_event(struct uevent *uevent)  in handle_generic_device_event()  argument
555     name = parse_device_name(uevent, 64);  in handle_generic_device_event()
559     if (!strncmp(uevent->subsystem, "usb", 3)) {  in handle_generic_device_event()
560          if (!strcmp(uevent->subsystem, "usb")) {  in handle_generic_device_event()
561             if (uevent->device_name) {  in handle_generic_device_event()
567                 snprintf(devpath, sizeof(devpath), "/dev/%s", uevent->device_name);  in handle_generic_device_event()
585                  int bus_id = uevent->minor / 128 + 1;  in handle_generic_device_event()
586                  int device_id = uevent->minor % 128 + 1;  in handle_generic_device_event()
598      } else if (!strncmp(uevent->subsystem, "graphics", 8)) {  in handle_generic_device_event()
601      } else if (!strncmp(uevent->subsystem, "drm", 3)) {  in handle_generic_device_event()
604      } else if (!strncmp(uevent->subsystem, "oncrpc", 6)) {  in handle_generic_device_event()
607      } else if (!strncmp(uevent->subsystem, "adsp", 4)) {  in handle_generic_device_event()
610      } else if (!strncmp(uevent->subsystem, "msm_camera", 10)) {  in handle_generic_device_event()
613      } else if(!strncmp(uevent->subsystem, "input", 5)) {  in handle_generic_device_event()
616      } else if(!strncmp(uevent->subsystem, "mtd", 3)) {  in handle_generic_device_event()
619      } else if(!strncmp(uevent->subsystem, "sound", 5)) {  in handle_generic_device_event()
622      } else if(!strncmp(uevent->subsystem, "misc", 4) &&  in handle_generic_device_event()
629      links = get_character_device_symlinks(uevent);  in handle_generic_device_event()
634      handle_device(uevent->action, devpath, uevent->path, 0,  in handle_generic_device_event()
635              uevent->major, uevent->minor, links);  in handle_generic_device_event()
638 static void handle_device_event(struct uevent *uevent)  in handle_device_event()  argument
640     if (!strcmp(uevent->action,"add") || !strcmp(uevent->action, "change"))  in handle_device_event()
641         fixup_sys_perms(uevent->path);  in handle_device_event()
643     if (!strncmp(uevent->subsystem, "block", 5)) {  in handle_device_event()
644         handle_block_device_event(uevent);  in handle_device_event()
645     } else if (!strncmp(uevent->subsystem, "platform", 8)) {  in handle_device_event()
646         handle_platform_device_event(uevent);  in handle_device_event()
648         handle_generic_device_event(uevent);  in handle_device_event()
703 static void process_firmware_event(struct uevent *uevent)  in process_firmware_event()  argument
710          uevent->firmware, uevent->path);  in process_firmware_event()
712     l = asprintf(&root, SYSFS_PREFIX"%s/", uevent->path);  in process_firmware_event()
724     l = asprintf(&file1, FIRMWARE_DIR1"/%s", uevent->firmware);  in process_firmware_event()
728     l = asprintf(&file2, FIRMWARE_DIR2"/%s", uevent->firmware);  in process_firmware_event()
732     l = asprintf(&file3, FIRMWARE_DIR3"/%s", uevent->firmware);  in process_firmware_event()
759                 INFO("firmware: could not open '%s' %d\n", uevent->firmware, errno);  in process_firmware_event()
767         INFO("firmware: copy success { '%s', '%s' }\n", root, uevent->firmware);  in process_firmware_event()
769         INFO("firmware: copy failure { '%s', '%s' }\n", root, uevent->firmware);  in process_firmware_event()
787 static void handle_firmware_event(struct uevent *uevent)  in handle_firmware_event()  argument
792     if(strcmp(uevent->subsystem, "firmware"))  in handle_firmware_event()
795     if(strcmp(uevent->action, "add"))  in handle_firmware_event()
801         process_firmware_event(uevent);  in handle_firmware_event()
818         struct uevent uevent;  in handle_device_fd()  local
819         parse_event(msg, &uevent);  in handle_device_fd()
821         handle_device_event(&uevent);  in handle_device_fd()
822         handle_firmware_event(&uevent);  in handle_device_fd()