On Fri, Dec 08, 2017 at 03:16:53PM -0500, Ken Goldman wrote: > First, to handle the error, the user space TSS would have to know that the > RM is mapping what would normally (with the simulator or /dev/tpm0) be the > usual TPM response packet. This mapping isn't documented anywhere. There are lots of failure cases that have nothing to do with the TPM, and I really don't want to see complex code mapping traditional POSIX errors into TPM packets in the kernel. If you need that, do it in userspace?? Jason