Ghidra, Reverse Engineering, Kernel Mode.
are defined as in the driver’s headers is: #define MYDRIVER_IOCTL_DOSOMETHING CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS) It is entirely possible to decode these values yourself, but if you’re feeling lazy like I often am, OSR has their online decoder and the !ioctldecode Windbg