This patch series are intended to test the POWER9 Nest Accelerator (NX) GZIP engine that is being introduced by https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-March/205659.html More information about how to access the NX can be found in that patch, also a complete userspace library and more documentation can be found at: https://github.com/libnxz/power-gzip Changes in V4: - Removed nx-helpers.h and moved relevant code to copy-paste.h. - Removed nx-gzip.h and symlinked the vas-api.h uapi instead. - Renamed inc to include and fixed warnings. - Proper integrated the code to the selftests Makefile system with help from Michael Ellerman. Thanks, Raphael
