+++ /dev/null
-dnl #
-dnl # Default ZFS kernel configuration
-dnl #
-AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
- ZFS_AC_KERNEL
- ZFS_AC_SPL
- ZFS_AC_QAT
- ZFS_AC_TEST_MODULE
- ZFS_AC_KERNEL_OBJTOOL
- ZFS_AC_KERNEL_CONFIG
- ZFS_AC_KERNEL_DECLARE_EVENT_CLASS
- ZFS_AC_KERNEL_CURRENT_BIO_TAIL
- ZFS_AC_KERNEL_SUPER_USER_NS
- ZFS_AC_KERNEL_SUBMIT_BIO
- ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
- ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID
- ZFS_AC_KERNEL_TYPE_FMODE_T
- ZFS_AC_KERNEL_3ARG_BLKDEV_GET
- ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH
- ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE
- ZFS_AC_KERNEL_LOOKUP_BDEV
- ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS
- ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE
- ZFS_AC_KERNEL_BDEV_PHYSICAL_BLOCK_SIZE
- ZFS_AC_KERNEL_BIO_BVEC_ITER
- ZFS_AC_KERNEL_BIO_FAILFAST_DTD
- ZFS_AC_KERNEL_BIO_SET_DEV
- ZFS_AC_KERNEL_REQ_FAILFAST_MASK
- ZFS_AC_KERNEL_REQ_OP_DISCARD
- ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE
- ZFS_AC_KERNEL_REQ_OP_FLUSH
- ZFS_AC_KERNEL_BIO_BI_OPF
- ZFS_AC_KERNEL_BIO_END_IO_T_ARGS
- ZFS_AC_KERNEL_BIO_BI_STATUS
- ZFS_AC_KERNEL_BIO_RW_BARRIER
- ZFS_AC_KERNEL_BIO_RW_DISCARD
- ZFS_AC_KERNEL_BLK_QUEUE_BDI
- ZFS_AC_KERNEL_BLK_QUEUE_FLUSH
- ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS
- ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS
- ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BIO_RW_UNPLUG
- ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BLK_PLUG
- ZFS_AC_KERNEL_GET_DISK_RO
- ZFS_AC_KERNEL_GET_GENDISK
- ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS
- ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL
- ZFS_AC_KERNEL_DISCARD_GRANULARITY
- ZFS_AC_KERNEL_CONST_XATTR_HANDLER
- ZFS_AC_KERNEL_XATTR_HANDLER_NAME
- ZFS_AC_KERNEL_XATTR_HANDLER_GET
- ZFS_AC_KERNEL_XATTR_HANDLER_SET
- ZFS_AC_KERNEL_XATTR_HANDLER_LIST
- ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE
- ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS
- ZFS_AC_KERNEL_POSIX_ACL_RELEASE
- ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE
- ZFS_AC_KERNEL_POSIX_ACL_CHMOD
- ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T
- ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS
- ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION
- ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA
- ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL
- ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS
- ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL
- ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL
- ZFS_AC_KERNEL_INODE_OPERATIONS_GETATTR
- ZFS_AC_KERNEL_INODE_SET_FLAGS
- ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE
- ZFS_AC_KERNEL_SHOW_OPTIONS
- ZFS_AC_KERNEL_FILE_INODE
- ZFS_AC_KERNEL_FILE_DENTRY
- ZFS_AC_KERNEL_FSYNC
- ZFS_AC_KERNEL_EVICT_INODE
- ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS
- ZFS_AC_KERNEL_NR_CACHED_OBJECTS
- ZFS_AC_KERNEL_FREE_CACHED_OBJECTS
- ZFS_AC_KERNEL_FALLOCATE
- ZFS_AC_KERNEL_AIO_FSYNC
- ZFS_AC_KERNEL_MKDIR_UMODE_T
- ZFS_AC_KERNEL_LOOKUP_NAMEIDATA
- ZFS_AC_KERNEL_CREATE_NAMEIDATA
- ZFS_AC_KERNEL_GET_LINK
- ZFS_AC_KERNEL_PUT_LINK
- ZFS_AC_KERNEL_TMPFILE
- ZFS_AC_KERNEL_TRUNCATE_RANGE
- ZFS_AC_KERNEL_AUTOMOUNT
- ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE
- ZFS_AC_KERNEL_COMMIT_METADATA
- ZFS_AC_KERNEL_CLEAR_INODE
- ZFS_AC_KERNEL_SETATTR_PREPARE
- ZFS_AC_KERNEL_INSERT_INODE_LOCKED
- ZFS_AC_KERNEL_D_MAKE_ROOT
- ZFS_AC_KERNEL_D_OBTAIN_ALIAS
- ZFS_AC_KERNEL_D_PRUNE_ALIASES
- ZFS_AC_KERNEL_D_SET_D_OP
- ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA
- ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS
- ZFS_AC_KERNEL_TRUNCATE_SETSIZE
- ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY
- ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY
- ZFS_AC_KERNEL_FST_MOUNT
- ZFS_AC_KERNEL_SHRINK
- ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID
- ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD
- ZFS_AC_KERNEL_S_D_OP
- ZFS_AC_KERNEL_BDI
- ZFS_AC_KERNEL_SET_NLINK
- ZFS_AC_KERNEL_ELEVATOR_CHANGE
- ZFS_AC_KERNEL_5ARG_SGET
- ZFS_AC_KERNEL_LSEEK_EXECUTE
- ZFS_AC_KERNEL_VFS_ITERATE
- ZFS_AC_KERNEL_VFS_RW_ITERATE
- ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS
- ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS
- ZFS_AC_KERNEL_FOLLOW_DOWN_ONE
- ZFS_AC_KERNEL_MAKE_REQUEST_FN
- ZFS_AC_KERNEL_GENERIC_IO_ACCT_3ARG
- ZFS_AC_KERNEL_GENERIC_IO_ACCT_4ARG
- ZFS_AC_KERNEL_FPU
- ZFS_AC_KERNEL_KUID_HELPERS
- ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST
- ZFS_AC_KERNEL_RENAME_WANTS_FLAGS
- ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR
- ZFS_AC_KERNEL_CURRENT_TIME
- ZFS_AC_KERNEL_VM_NODE_STAT
- ZFS_AC_KERNEL_USERNS_CAPABILITIES
-
- AS_IF([test "$LINUX_OBJ" != "$LINUX"], [
- KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
- ])
- AC_SUBST(KERNELMAKE_PARAMS)
-
-
- dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other
- dnl # compiler options are added by the kernel build system.
- KERNELCPPFLAGS="$KERNELCPPFLAGS -std=gnu99"
- KERNELCPPFLAGS="$KERNELCPPFLAGS -Wno-declaration-after-statement"
- KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE"
- KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_BOOL_COMPARE"
- KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL"
- KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\""
-
- AC_SUBST(KERNELCPPFLAGS)
-])
-
-dnl #
-dnl # Detect name used for Module.symvers file in kernel
-dnl #
-AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [
- modpost=$LINUX/scripts/Makefile.modpost
- AC_MSG_CHECKING([kernel file name for module symbols])
- AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [
- AS_IF([grep -q Modules.symvers $modpost], [
- LINUX_SYMBOLS=Modules.symvers
- ], [
- LINUX_SYMBOLS=Module.symvers
- ])
-
- AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [
- AC_MSG_ERROR([
- *** Please make sure the kernel devel package for your distribution
- *** is installed. If you are building with a custom kernel, make sure the
- *** kernel is configured, built, and the '--with-linux=PATH' configure
- *** option refers to the location of the kernel source.])
- ])
- ], [
- LINUX_SYMBOLS=NONE
- ])
- AC_MSG_RESULT($LINUX_SYMBOLS)
- AC_SUBST(LINUX_SYMBOLS)
-])
-
-dnl #
-dnl # Detect the kernel to be built against
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL], [
- AC_ARG_WITH([linux],
- AS_HELP_STRING([--with-linux=PATH],
- [Path to kernel source]),
- [kernelsrc="$withval"])
-
- AC_ARG_WITH(linux-obj,
- AS_HELP_STRING([--with-linux-obj=PATH],
- [Path to kernel build objects]),
- [kernelbuild="$withval"])
-
- AC_MSG_CHECKING([kernel source directory])
- AS_IF([test -z "$kernelsrc"], [
- AS_IF([test -e "/lib/modules/$(uname -r)/source"], [
- headersdir="/lib/modules/$(uname -r)/source"
- sourcelink=$(readlink -f "$headersdir")
- ], [test -e "/lib/modules/$(uname -r)/build"], [
- headersdir="/lib/modules/$(uname -r)/build"
- sourcelink=$(readlink -f "$headersdir")
- ], [
- sourcelink=$(ls -1d /usr/src/kernels/* \
- /usr/src/linux-* \
- 2>/dev/null | grep -v obj | tail -1)
- ])
-
- AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [
- kernelsrc=`readlink -f ${sourcelink}`
- ], [
- kernelsrc="[Not found]"
- ])
- ], [
- AS_IF([test "$kernelsrc" = "NONE"], [
- kernsrcver=NONE
- ])
- withlinux=yes
- ])
-
- AC_MSG_RESULT([$kernelsrc])
- AS_IF([test ! -d "$kernelsrc"], [
- AC_MSG_ERROR([
- *** Please make sure the kernel devel package for your distribution
- *** is installed and then try again. If that fails, you can specify the
- *** location of the kernel source with the '--with-linux=PATH' option.])
- ])
-
- AC_MSG_CHECKING([kernel build directory])
- AS_IF([test -z "$kernelbuild"], [
- AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [
- kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
- ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [
- kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}
- ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [
- kernelbuild=${kernelsrc}-obj/${target_cpu}/default
- ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [
- kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu}
- ], [
- kernelbuild=${kernelsrc}
- ])
- ])
- AC_MSG_RESULT([$kernelbuild])
-
- AC_MSG_CHECKING([kernel source version])
- utsrelease1=$kernelbuild/include/linux/version.h
- utsrelease2=$kernelbuild/include/linux/utsrelease.h
- utsrelease3=$kernelbuild/include/generated/utsrelease.h
- AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [
- utsrelease=linux/version.h
- ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [
- utsrelease=linux/utsrelease.h
- ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [
- utsrelease=generated/utsrelease.h
- ])
-
- AS_IF([test "$utsrelease"], [
- kernsrcver=`(echo "#include <$utsrelease>";
- echo "kernsrcver=UTS_RELEASE") |
- cpp -I $kernelbuild/include |
- grep "^kernsrcver=" | cut -d \" -f 2`
-
- AS_IF([test -z "$kernsrcver"], [
- AC_MSG_RESULT([Not found])
- AC_MSG_ERROR([*** Cannot determine kernel version.])
- ])
- ], [
- AC_MSG_RESULT([Not found])
- if test "x$enable_linux_builtin" != xyes; then
- AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.])
- else
- AC_MSG_ERROR([
- *** Cannot find UTS_RELEASE definition.
- *** Please run 'make prepare' inside the kernel source tree.])
- fi
- ])
-
- AC_MSG_RESULT([$kernsrcver])
-
- LINUX=${kernelsrc}
- LINUX_OBJ=${kernelbuild}
- LINUX_VERSION=${kernsrcver}
-
- AC_SUBST(LINUX)
- AC_SUBST(LINUX_OBJ)
- AC_SUBST(LINUX_VERSION)
-
- ZFS_AC_MODULE_SYMVERS
-])
-
-
-dnl #
-dnl # Detect the SPL module to be built against
-dnl #
-AC_DEFUN([ZFS_AC_SPL], [
- AC_ARG_WITH([spl],
- AS_HELP_STRING([--with-spl=PATH],
- [Path to spl source]),
- AS_IF([test "$withval" = "yes"],
- AC_MSG_ERROR([--with-spl=PATH requires a PATH]),
- [splsrc="$withval"]))
-
- AC_ARG_WITH([spl-obj],
- AS_HELP_STRING([--with-spl-obj=PATH],
- [Path to spl build objects]),
- [splbuild="$withval"])
-
- AC_ARG_WITH([spl-timeout],
- AS_HELP_STRING([--with-spl-timeout=SECS],
- [Wait SECS for SPL header and symver file @<:@default=0@:>@]),
- [timeout="$withval"], [timeout=0])
-
- dnl #
- dnl # The existence of spl.release.in is used to identify a valid
- dnl # source directory. In order of preference:
- dnl #
- splsrc0="/var/lib/dkms/spl/${VERSION}/build"
- splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}"
- splsrc2="/usr/local/src/spl-${VERSION}"
- splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}"
- splsrc4="/usr/src/spl-${VERSION}"
- splsrc5="../spl/"
- splsrc6="$LINUX"
-
- AC_MSG_CHECKING([spl source directory])
- AS_IF([test -z "${splsrc}"], [
- [all_spl_sources="
- ${splsrc0}
- ${splsrc1}
- ${splsrc2}
- ${splsrc3}
- ${splsrc4}
- ${splsrc5}
- ${splsrc6}"],
- AS_IF([ test -e "${splsrc0}/spl.release.in"], [
- splsrc=${splsrc0}
- ], [ test -e "${splsrc1}/spl.release.in"], [
- splsrc=${splsrc1}
- ], [ test -e "${splsrc2}/spl.release.in"], [
- splsrc=${splsrc2}
- ], [ test -e "${splsrc3}/spl.release.in"], [
- splsrc=$(readlink -f "${splsrc3}")
- ], [ test -e "${splsrc4}/spl.release.in" ], [
- splsrc=${splsrc4}
- ], [ test -e "${splsrc5}/spl.release.in"], [
- splsrc=$(readlink -f "${splsrc5}")
- ], [ test -e "${splsrc6}/spl.release.in" ], [
- splsrc=${splsrc6}
- ], [
- splsrc="[Not found]"
- ])
- ], [
- [all_spl_sources="$withval"],
- AS_IF([test "$splsrc" = "NONE"], [
- splbuild=NONE
- splsrcver=NONE
- ])
- ])
-
- AC_MSG_RESULT([$splsrc])
- AS_IF([ test ! -e "$splsrc/spl.release.in"], [
- AC_MSG_ERROR([
- *** Please make sure the kmod spl devel package for your distribution
- *** is installed then try again. If that fails you can specify the
- *** location of the spl source with the '--with-spl=PATH' option.
- *** The spl version must match the version of ZFS you are building,
- *** ${VERSION}. Failed to find spl.release.in in the following:
- $all_spl_sources])
- ])
-
- dnl #
- dnl # The existence of the spl_config.h is used to identify a valid
- dnl # spl object directory. In many cases the object and source
- dnl # directory are the same, however the objects may also reside
- dnl # is a subdirectory named after the kernel version.
- dnl #
- dnl # This file is supposed to be available after DKMS finishes
- dnl # building the SPL kernel module for the target kernel. The
- dnl # '--with-spl-timeout' option can be passed to pause here,
- dnl # waiting for the file to appear from a concurrently building
- dnl # SPL package.
- dnl #
- AC_MSG_CHECKING([spl build directory])
-
- all_spl_config_locs="${splsrc}/${LINUX_VERSION}
- ${splsrc}"
-
- while true; do
- AS_IF([test -z "$splbuild"], [
- AS_IF([ test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ], [
- splbuild="${splsrc}/${LINUX_VERSION}"
- ], [ test -e "${splsrc}/spl_config.h" ], [
- splbuild="${splsrc}"
- ], [ find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ], [
- splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,')
- ], [
- splbuild="[Not found]"
- ])
- ])
- AS_IF([test -e "$splbuild/spl_config.h" -o $timeout -le 0], [
- break;
- ], [
- sleep 1
- timeout=$((timeout-1))
- ])
- done
-
- AC_MSG_RESULT([$splbuild])
- AS_IF([ ! test -e "$splbuild/spl_config.h"], [
- AC_MSG_ERROR([
- *** Please make sure the kmod spl devel <kernel> package for your
- *** distribution is installed then try again. If that fails you
- *** can specify the location of the spl objects with the
- *** '--with-spl-obj=PATH' option. Failed to find spl_config.h in
- *** any of the following:
- $all_spl_config_locs])
- ])
-
- AC_MSG_CHECKING([spl source version])
- AS_IF([test -r $splbuild/spl_config.h &&
- fgrep -q SPL_META_VERSION $splbuild/spl_config.h], [
-
- splsrcver=`(echo "#include <spl_config.h>";
- echo "splsrcver=SPL_META_VERSION-SPL_META_RELEASE") |
- cpp -I $splbuild |
- grep "^splsrcver=" | tr -d \" | cut -d= -f2`
- ])
-
- AS_IF([test -z "$splsrcver"], [
- AC_MSG_RESULT([Not found])
- AC_MSG_ERROR([
- *** Cannot determine the version of the spl source.
- *** Please prepare the spl source before running this script])
- ])
-
- AC_MSG_RESULT([$splsrcver])
-
- SPL=${splsrc}
- SPL_OBJ=${splbuild}
- SPL_VERSION=${splsrcver}
-
- AC_SUBST(SPL)
- AC_SUBST(SPL_OBJ)
- AC_SUBST(SPL_VERSION)
-
- dnl #
- dnl # Detect the name used for the SPL Module.symvers file. If one
- dnl # does not exist this is likely because the SPL has been configured
- dnl # but not built. The '--with-spl-timeout' option can be passed
- dnl # to pause here, waiting for the file to appear from a concurrently
- dnl # building SPL package. If the file does not appear in time, a good
- dnl # guess is made as to what this file will be named based on what it
- dnl # is named in the kernel build products. This file will first be
- dnl # used at link time so if the guess is wrong the build will fail
- dnl # then. This unfortunately means the ZFS package does not contain a
- dnl # reliable mechanism to detect symbols exported by the SPL at
- dnl # configure time.
- dnl #
- AC_MSG_CHECKING([spl file name for module symbols])
- SPL_SYMBOLS=NONE
-
- while true; do
- AS_IF([test -r $SPL_OBJ/Module.symvers], [
- SPL_SYMBOLS=Module.symvers
- ], [test -r $SPL_OBJ/Modules.symvers], [
- SPL_SYMBOLS=Modules.symvers
- ], [test -r $SPL_OBJ/module/Module.symvers], [
- SPL_SYMBOLS=Module.symvers
- ], [test -r $SPL_OBJ/module/Modules.symvers], [
- SPL_SYMBOLS=Modules.symvers
- ])
-
- AS_IF([test $SPL_SYMBOLS != NONE -o $timeout -le 0], [
- break;
- ], [
- sleep 1
- timeout=$((timeout-1))
- ])
- done
-
- AS_IF([test "$SPL_SYMBOLS" = NONE], [
- SPL_SYMBOLS=$LINUX_SYMBOLS
- ])
-
- AC_MSG_RESULT([$SPL_SYMBOLS])
- AC_SUBST(SPL_SYMBOLS)
-])
-
-dnl #
-dnl # Detect the QAT module to be built against
-dnl # QAT provides hardware acceleration for data compression:
-dnl # https://01.org/intel-quickassist-technology
-dnl # * Download and install QAT driver from the above link
-dnl # * Start QAT driver in your system:
-dnl # service qat_service start
-dnl # * Enable QAT in ZFS, e.g.:
-dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6
-dnl # make
-dnl # * Set GZIP compression in ZFS dataset:
-dnl # zfs set compression = gzip <dataset>
-dnl # Then the data written to this ZFS pool is compressed
-dnl # by QAT accelerator automatically, and de-compressed by
-dnl # QAT when read from the pool.
-dnl # * Get QAT hardware statistics by:
-dnl # cat /proc/icp_dh895xcc_dev/qat
-dnl # * To disable QAT:
-dnl # insmod zfs.ko zfs_qat_disable=1
-dnl #
-AC_DEFUN([ZFS_AC_QAT], [
- AC_ARG_WITH([qat],
- AS_HELP_STRING([--with-qat=PATH],
- [Path to qat source]),
- AS_IF([test "$withval" = "yes"],
- AC_MSG_ERROR([--with-qat=PATH requires a PATH]),
- [qatsrc="$withval"]))
-
- AC_ARG_WITH([qat-obj],
- AS_HELP_STRING([--with-qat-obj=PATH],
- [Path to qat build objects]),
- [qatbuild="$withval"])
-
- AS_IF([test ! -z "${qatsrc}"], [
- AC_MSG_CHECKING([qat source directory])
- AC_MSG_RESULT([$qatsrc])
- QAT_SRC="${qatsrc}/quickassist"
- AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [
- AC_MSG_ERROR([
- *** Please make sure the qat driver package is installed
- *** and specify the location of the qat source with the
- *** '--with-qat=PATH' option then try again. Failed to
- *** find cpa.h in:
- ${QAT_SRC}/include])
- ])
- ])
-
- AS_IF([test ! -z "${qatsrc}"], [
- AC_MSG_CHECKING([qat build directory])
- AS_IF([test -z "$qatbuild"], [
- qatbuild="${qatsrc}/build"
- ])
-
- AC_MSG_RESULT([$qatbuild])
- QAT_OBJ=${qatbuild}
- AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [
- AC_MSG_ERROR([
- *** Please make sure the qat driver is installed then try again.
- *** Failed to find icp_qa_al.ko or qat_api.ko in:
- $QAT_OBJ])
- ])
-
- AC_SUBST(QAT_SRC)
- AC_SUBST(QAT_OBJ)
-
- AC_DEFINE(HAVE_QAT, 1,
- [qat is enabled and existed])
- ])
-
- dnl #
- dnl # Detect the name used for the QAT Module.symvers file.
- dnl #
- AS_IF([test ! -z "${qatsrc}"], [
- AC_MSG_CHECKING([qat file for module symbols])
- QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers
-
- AS_IF([test -r $QAT_SYMBOLS], [
- AC_MSG_RESULT([$QAT_SYMBOLS])
- AC_SUBST(QAT_SYMBOLS)
- ],[
- AC_MSG_ERROR([
- *** Please make sure the qat driver is installed then try again.
- *** Failed to find Module.symvers in:
- $QAT_SYMBOLS])
- ])
- ])
- ])
-])
-
-dnl #
-dnl # Basic toolchain sanity check.
-dnl #
-AC_DEFUN([ZFS_AC_TEST_MODULE], [
- AC_MSG_CHECKING([whether modules can be built])
- ZFS_LINUX_TRY_COMPILE([],[],[
- AC_MSG_RESULT([yes])
- ],[
- AC_MSG_RESULT([no])
- if test "x$enable_linux_builtin" != xyes; then
- AC_MSG_ERROR([*** Unable to build an empty module.])
- else
- AC_MSG_ERROR([
- *** Unable to build an empty module.
- *** Please run 'make scripts' inside the kernel source tree.])
- fi
- ])
-])
-
-dnl #
-dnl # Certain kernel build options are not supported. These must be
-dnl # detected at configure time and cause a build failure. Otherwise
-dnl # modules may be successfully built that behave incorrectly.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [
- AS_IF([test "x$cross_compiling" != xyes], [
- AC_RUN_IFELSE([
- AC_LANG_PROGRAM([
- #include "$LINUX/include/linux/license.h"
- ], [
- return !license_is_gpl_compatible("$ZFS_META_LICENSE");
- ])
- ], [
- AC_DEFINE([ZFS_IS_GPL_COMPATIBLE], [1],
- [Define to 1 if GPL-only symbols can be used])
- ], [
- ])
- ])
-
- ZFS_AC_KERNEL_CONFIG_THREAD_SIZE
- ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC
-])
-
-dnl #
-dnl # Check configured THREAD_SIZE
-dnl #
-dnl # The stack size will vary by architecture, but as of Linux 3.15 on x86_64
-dnl # the default thread stack size was increased to 16K from 8K. Therefore,
-dnl # on newer kernels and some architectures stack usage optimizations can be
-dnl # conditionally applied to improve performance without negatively impacting
-dnl # stability.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_CONFIG_THREAD_SIZE], [
- AC_MSG_CHECKING([whether kernel was built with 16K or larger stacks])
- ZFS_LINUX_TRY_COMPILE([
- #include <linux/module.h>
- ],[
- #if (THREAD_SIZE < 16384)
- #error "THREAD_SIZE is less than 16K"
- #endif
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_LARGE_STACKS, 1, [kernel has large stacks])
- ],[
- AC_MSG_RESULT([no])
- ])
-])
-
-dnl #
-dnl # Check CONFIG_DEBUG_LOCK_ALLOC
-dnl #
-dnl # This is typically only set for debug kernels because it comes with
-dnl # a performance penalty. However, when it is set it maps the non-GPL
-dnl # symbol mutex_lock() to the GPL-only mutex_lock_nested() symbol.
-dnl # This will cause a failure at link time which we'd rather know about
-dnl # at compile time.
-dnl #
-dnl # Since we plan to pursue making mutex_lock_nested() a non-GPL symbol
-dnl # with the upstream community we add a check to detect this case.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC], [
-
- ZFS_LINUX_CONFIG([DEBUG_LOCK_ALLOC], [
- AC_MSG_CHECKING([whether mutex_lock() is GPL-only])
- tmp_flags="$EXTRA_KCFLAGS"
- ZFS_LINUX_TRY_COMPILE([
- #include <linux/module.h>
- #include <linux/mutex.h>
-
- MODULE_LICENSE("$ZFS_META_LICENSE");
- ],[
- struct mutex lock;
-
- mutex_init(&lock);
- mutex_lock(&lock);
- mutex_unlock(&lock);
- ],[
- AC_MSG_RESULT(no)
- ],[
- AC_MSG_RESULT(yes)
- AC_MSG_ERROR([
- *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is incompatible
- *** with the CDDL license and will prevent the module linking stage
- *** from succeeding. You must rebuild your kernel without this
- *** option enabled.])
- ])
- EXTRA_KCFLAGS="$tmp_flags"
- ], [])
-])
-
-dnl #
-dnl # ZFS_LINUX_CONFTEST_H
-dnl #
-AC_DEFUN([ZFS_LINUX_CONFTEST_H], [
-cat - <<_ACEOF >conftest.h
-$1
-_ACEOF
-])
-
-dnl #
-dnl # ZFS_LINUX_CONFTEST_C
-dnl #
-AC_DEFUN([ZFS_LINUX_CONFTEST_C], [
-cat confdefs.h - <<_ACEOF >conftest.c
-$1
-_ACEOF
-])
-
-dnl #
-dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY])
-dnl #
-m4_define([ZFS_LANG_PROGRAM], [
-$1
-int
-main (void)
-{
-dnl Do *not* indent the following line: there may be CPP directives.
-dnl Don't move the `;' right after for the same reason.
-$2
- ;
- return 0;
-}
-])
-
-dnl #
-dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE
-dnl #
-AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [
- m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1])])
- m4_ifvaln([$6], [ZFS_LINUX_CONFTEST_H([$6])], [ZFS_LINUX_CONFTEST_H([])])
- rm -Rf build && mkdir -p build && touch build/conftest.mod.c
- echo "obj-m := conftest.o" >build/Makefile
- modpost_flag=''
- test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
- AS_IF(
- [AC_TRY_COMMAND(cp conftest.c conftest.h build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])],
- [$4],
- [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])]
- )
- rm -Rf build
-])
-
-dnl #
-dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE
-dnl #
-AC_DEFUN([ZFS_LINUX_TRY_COMPILE],
- [ZFS_LINUX_COMPILE_IFELSE(
- [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])],
- [modules],
- [test -s build/conftest.o],
- [$3], [$4])
-])
-
-dnl #
-dnl # ZFS_LINUX_CONFIG
-dnl #
-AC_DEFUN([ZFS_LINUX_CONFIG],
- [AC_MSG_CHECKING([whether kernel was built with CONFIG_$1])
- ZFS_LINUX_TRY_COMPILE([
- #include <linux/module.h>
- ],[
- #ifndef CONFIG_$1
- #error CONFIG_$1 not #defined
- #endif
- ],[
- AC_MSG_RESULT([yes])
- $2
- ],[
- AC_MSG_RESULT([no])
- $3
- ])
-])
-
-dnl #
-dnl # ZFS_CHECK_SYMBOL_EXPORT
-dnl # check symbol exported or not
-dnl #
-AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [
- grep -q -E '[[[:space:]]]$1[[[:space:]]]' \
- $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
- rc=$?
- if test $rc -ne 0; then
- export=0
- for file in $2; do
- grep -q -E "EXPORT_SYMBOL.*($1)" \
- "$LINUX/$file" 2>/dev/null
- rc=$?
- if test $rc -eq 0; then
- export=1
- break;
- fi
- done
- if test $export -eq 0; then :
- $4
- else :
- $3
- fi
- else :
- $3
- fi
-])
-
-dnl #
-dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL
-dnl # like ZFS_LINUX_TRY_COMPILE, except ZFS_CHECK_SYMBOL_EXPORT
-dnl # is called if not compiling for builtin
-dnl #
-AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [
- ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1])
- if test $rc -ne 0; then :
- $6
- else
- if test "x$enable_linux_builtin" != xyes; then
- ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1])
- fi
- if test $rc -ne 0; then :
- $6
- else :
- $5
- fi
- fi
-])
-
-dnl #
-dnl # ZFS_LINUX_TRY_COMPILE_HEADER
-dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are
-dnl # provided via the fifth parameter
-dnl #
-AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER],
- [ZFS_LINUX_COMPILE_IFELSE(
- [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])],
- [modules],
- [test -s build/conftest.o],
- [$3], [$4], [$5])
-])
projects / mirror_ubuntu-bionic-kernel.git / blobdiff