Hi Herbert, this series adds support for hardware accelerated compression & decompression as found on ThunderX (arm64) SOCs. I've been reviewing this driver internally for some time and would like to get feedback on the RFC to see if this goes into the right direction and to see if there are any concerns. We've discussed switching to the new acomp algorithm but for the time being decided against acomp because our test cases are not yet supported with it. To test the ZIP driver we've used ZSWAP and IPComp. Performance numbers from ZSWAP look promising. The "average time" for compressing a 4KB page: Compression Software : 128 usec Compression HW deflate : 16 usec Compression HW LZS : 10 usec Decompression Software : 20 usec Decompression HW deflate: 7 usec Decompression HW LZS : 5 usec Patches are on top of 4.9. Feedback welcome! Jan --------------------- Mahipal Challa (3): crypto: zip - Add ThunderX ZIP driver core crypto: zip - Wire-up Compression / decompression HW offload crypto: zip - Add Compression/decompression statistics drivers/crypto/Kconfig | 7 + drivers/crypto/Makefile | 1 + drivers/crypto/cavium/Makefile | 4 + drivers/crypto/cavium/zip/Makefile | 11 + drivers/crypto/cavium/zip/common.h | 258 ++++++ drivers/crypto/cavium/zip/zip_crypto.c | 243 ++++++ drivers/crypto/cavium/zip/zip_crypto.h | 67 ++ drivers/crypto/cavium/zip/zip_deflate.c | 200 +++++ drivers/crypto/cavium/zip/zip_deflate.h | 62 ++ drivers/crypto/cavium/zip/zip_device.c | 209 +++++ drivers/crypto/cavium/zip/zip_device.h | 138 ++++ drivers/crypto/cavium/zip/zip_inflate.c | 223 ++++++ drivers/crypto/cavium/zip/zip_inflate.h | 62 ++ drivers/crypto/cavium/zip/zip_main.c | 698 ++++++++++++++++ drivers/crypto/cavium/zip/zip_main.h | 141 ++++ drivers/crypto/cavium/zip/zip_mem.c | 120 +++ drivers/crypto/cavium/zip/zip_mem.h | 78 ++ drivers/crypto/cavium/zip/zip_regs.h | 1326 +++++++++++++++++++++++++++++++ 18 files changed, 3848 insertions(+) create mode 100644 drivers/crypto/cavium/Makefile create mode 100644 drivers/crypto/cavium/zip/Makefile create mode 100644 drivers/crypto/cavium/zip/common.h create mode 100644 drivers/crypto/cavium/zip/zip_crypto.c create mode 100644 drivers/crypto/cavium/zip/zip_crypto.h create mode 100644 drivers/crypto/cavium/zip/zip_deflate.c create mode 100644 drivers/crypto/cavium/zip/zip_deflate.h create mode 100644 drivers/crypto/cavium/zip/zip_device.c create mode 100644 drivers/crypto/cavium/zip/zip_device.h create mode 100644 drivers/crypto/cavium/zip/zip_inflate.c create mode 100644 drivers/crypto/cavium/zip/zip_inflate.h create mode 100644 drivers/crypto/cavium/zip/zip_main.c create mode 100644 drivers/crypto/cavium/zip/zip_main.h create mode 100644 drivers/crypto/cavium/zip/zip_mem.c create mode 100644 drivers/crypto/cavium/zip/zip_mem.h create mode 100644 drivers/crypto/cavium/zip/zip_regs.h -- 2.9.0.rc0.21.g7777322 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
