UBI_IOC_MAGIC     109 include/mtd/ubi-user.h #define UBI_IOCMKVOL _IOW(UBI_IOC_MAGIC, 0, struct ubi_mkvol_req)
UBI_IOC_MAGIC     111 include/mtd/ubi-user.h #define UBI_IOCRMVOL _IOW(UBI_IOC_MAGIC, 1, int32_t)
UBI_IOC_MAGIC     113 include/mtd/ubi-user.h #define UBI_IOCRSVOL _IOW(UBI_IOC_MAGIC, 2, struct ubi_rsvol_req)
UBI_IOC_MAGIC     115 include/mtd/ubi-user.h #define UBI_IOCRNVOL _IOW(UBI_IOC_MAGIC, 3, struct ubi_rnvol_req)