# Intel® QuickAssist Technology ZSTD Plugin (QAT ZSTD Plugin) is a plugin to Zstandard*(ZSTD*) for accelerating compression by QAT.

message(STATUS "Intel QATZSTD in-tree build")
set(QATZSTD_SRC_DIR "${ClickHouse_SOURCE_DIR}/contrib/QAT-ZSTD-Plugin/src")
set(QATZSTD_SRC "${QATZSTD_SRC_DIR}/qatseqprod.c")
set(ZSTD_LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/zstd/lib")

# please download&build ICP package from: https://www.intel.com/content/www/us/en/download/765501.html
set(ICP_ROOT "${ClickHouse_SOURCE_DIR}/contrib/qatlib")
set(QAT_INCLUDE_DIR "${ICP_ROOT}/quickassist/include")
set(QAT_DC_INCLUDE_DIR "${ICP_ROOT}/quickassist/include/dc")
set(QAT_AL_INCLUDE_DIR "${ICP_ROOT}/quickassist/lookaside/access_layer/include")
set(QAT_USDM_INCLUDE_DIR "${ICP_ROOT}/quickassist/utilities/libusdm_drv")
set(USDM_LIBRARY "${ICP_ROOT}/build/libusdm_drv_s.so")
set(QAT_S_LIBRARY "${ICP_ROOT}/build/libqat_s.so")
set(LIBQAT_ROOT_DIR "${ClickHouse_SOURCE_DIR}/contrib/qatlib")
set(LIBQAT_HEADER_DIR "${CMAKE_CURRENT_BINARY_DIR}/include")

file(MAKE_DIRECTORY
    "${LIBQAT_HEADER_DIR}/qat"
)
file(COPY "${LIBQAT_ROOT_DIR}/quickassist/include/cpa.h"
    DESTINATION "${LIBQAT_HEADER_DIR}/qat/"
)
file(COPY "${LIBQAT_ROOT_DIR}/quickassist/include/dc/cpa_dc.h"
    DESTINATION "${LIBQAT_HEADER_DIR}/qat/"
)
file(COPY "${LIBQAT_ROOT_DIR}/quickassist/lookaside/access_layer/include/icp_sal_poll.h"
    DESTINATION "${LIBQAT_HEADER_DIR}/qat/"
)
file(COPY "${LIBQAT_ROOT_DIR}/quickassist/lookaside/access_layer/include/icp_sal_user.h"
    DESTINATION "${LIBQAT_HEADER_DIR}/qat/"
)
file(COPY "${LIBQAT_ROOT_DIR}/quickassist/utilities/libusdm_drv/qae_mem.h"
    DESTINATION "${LIBQAT_HEADER_DIR}/qat/"
)

if (ENABLE_QAT_USDM_DRIVER)
    add_definitions(-DENABLE_USDM_DRV)
endif()

add_library(_qatzstd_plugin ${QATZSTD_SRC})
target_link_libraries (_qatzstd_plugin PUBLIC ch_contrib::qatlib ch_contrib::usdm)
target_include_directories(_qatzstd_plugin PRIVATE
    ${QAT_INCLUDE_DIR}
    ${QAT_DC_INCLUDE_DIR}
    ${QAT_AL_INCLUDE_DIR}
    ${QAT_USDM_INCLUDE_DIR}
    ${ZSTD_LIBRARY_DIR}
    ${LIBQAT_HEADER_DIR})
target_compile_definitions(_qatzstd_plugin PRIVATE -DDEBUGLEVEL=0 PUBLIC -DINTREE)
target_include_directories(_qatzstd_plugin SYSTEM PUBLIC $<BUILD_INTERFACE:${QATZSTD_SRC_DIR}> $<INSTALL_INTERFACE:include>)
add_library (ch_contrib::qatzstd_plugin ALIAS _qatzstd_plugin)