| dnl # |
| dnl # Default ZFS kernel configuration |
| dnl # |
| AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ |
| AM_COND_IF([BUILD_LINUX], [ |
| dnl # Setup the kernel build environment. |
| ZFS_AC_KERNEL |
| ZFS_AC_QAT |
| |
| dnl # Sanity checks for module building and CONFIG_* defines |
| ZFS_AC_KERNEL_CONFIG_DEFINED |
| ZFS_AC_MODULE_SYMVERS |
| |
| dnl # Sequential ZFS_LINUX_TRY_COMPILE tests |
| ZFS_AC_KERNEL_FPU_HEADER |
| ZFS_AC_KERNEL_OBJTOOL_HEADER |
| ZFS_AC_KERNEL_WAIT_QUEUE_ENTRY_T |
| ZFS_AC_KERNEL_MISC_MINOR |
| ZFS_AC_KERNEL_DECLARE_EVENT_CLASS |
| |
| dnl # Parallel ZFS_LINUX_TEST_SRC / ZFS_LINUX_TEST_RESULT tests |
| ZFS_AC_KERNEL_TEST_SRC |
| ZFS_AC_KERNEL_TEST_RESULT |
| |
| AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
| KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ" |
| ]) |
| |
| AC_SUBST(KERNEL_MAKE) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # Generate and compile all of the kernel API test cases to determine |
| dnl # which interfaces are available. By invoking the kernel build system |
| dnl # only once the compilation can be done in parallel significantly |
| dnl # speeding up the process. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [ |
| ZFS_AC_KERNEL_SRC_OBJTOOL |
| ZFS_AC_KERNEL_SRC_GLOBAL_PAGE_STATE |
| ZFS_AC_KERNEL_SRC_ACCESS_OK_TYPE |
| ZFS_AC_KERNEL_SRC_PDE_DATA |
| ZFS_AC_KERNEL_SRC_FALLOCATE |
| ZFS_AC_KERNEL_SRC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE |
| ZFS_AC_KERNEL_SRC_RWSEM |
| ZFS_AC_KERNEL_SRC_SCHED |
| ZFS_AC_KERNEL_SRC_USLEEP_RANGE |
| ZFS_AC_KERNEL_SRC_KMEM_CACHE |
| ZFS_AC_KERNEL_SRC_KVMALLOC |
| ZFS_AC_KERNEL_SRC_VMALLOC_PAGE_KERNEL |
| ZFS_AC_KERNEL_SRC_WAIT |
| ZFS_AC_KERNEL_SRC_INODE_TIMES |
| ZFS_AC_KERNEL_SRC_INODE_LOCK |
| ZFS_AC_KERNEL_SRC_GROUP_INFO_GID |
| ZFS_AC_KERNEL_SRC_RW |
| ZFS_AC_KERNEL_SRC_TIMER_SETUP |
| ZFS_AC_KERNEL_SRC_SUPER_USER_NS |
| ZFS_AC_KERNEL_SRC_PROC_OPERATIONS |
| ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS |
| ZFS_AC_KERNEL_SRC_BIO |
| ZFS_AC_KERNEL_SRC_BLKDEV |
| ZFS_AC_KERNEL_SRC_BLK_QUEUE |
| ZFS_AC_KERNEL_SRC_GENHD_FLAGS |
| ZFS_AC_KERNEL_SRC_REVALIDATE_DISK |
| ZFS_AC_KERNEL_SRC_GET_DISK_RO |
| ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL |
| ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY |
| ZFS_AC_KERNEL_SRC_INODE_OWNER_OR_CAPABLE |
| ZFS_AC_KERNEL_SRC_XATTR |
| ZFS_AC_KERNEL_SRC_ACL |
| ZFS_AC_KERNEL_SRC_INODE_SETATTR |
| ZFS_AC_KERNEL_SRC_INODE_GETATTR |
| ZFS_AC_KERNEL_SRC_INODE_SET_FLAGS |
| ZFS_AC_KERNEL_SRC_INODE_SET_IVERSION |
| ZFS_AC_KERNEL_SRC_SHOW_OPTIONS |
| ZFS_AC_KERNEL_SRC_FILE_INODE |
| ZFS_AC_KERNEL_SRC_FILE_DENTRY |
| ZFS_AC_KERNEL_SRC_FSYNC |
| ZFS_AC_KERNEL_SRC_AIO_FSYNC |
| ZFS_AC_KERNEL_SRC_EVICT_INODE |
| ZFS_AC_KERNEL_SRC_DIRTY_INODE |
| ZFS_AC_KERNEL_SRC_SHRINKER |
| ZFS_AC_KERNEL_SRC_MKDIR |
| ZFS_AC_KERNEL_SRC_LOOKUP_FLAGS |
| ZFS_AC_KERNEL_SRC_CREATE |
| ZFS_AC_KERNEL_SRC_GET_LINK |
| ZFS_AC_KERNEL_SRC_PUT_LINK |
| ZFS_AC_KERNEL_SRC_TMPFILE |
| ZFS_AC_KERNEL_SRC_AUTOMOUNT |
| ZFS_AC_KERNEL_SRC_ENCODE_FH_WITH_INODE |
| ZFS_AC_KERNEL_SRC_COMMIT_METADATA |
| ZFS_AC_KERNEL_SRC_CLEAR_INODE |
| ZFS_AC_KERNEL_SRC_SETATTR_PREPARE |
| ZFS_AC_KERNEL_SRC_INSERT_INODE_LOCKED |
| ZFS_AC_KERNEL_SRC_DENTRY |
| ZFS_AC_KERNEL_SRC_DENTRY_ALIAS_D_U |
| ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE |
| ZFS_AC_KERNEL_SRC_SECURITY_INODE |
| ZFS_AC_KERNEL_SRC_FST_MOUNT |
| ZFS_AC_KERNEL_SRC_BDI |
| ZFS_AC_KERNEL_SRC_SET_NLINK |
| ZFS_AC_KERNEL_SRC_SGET |
| ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE |
| ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO |
| ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO |
| ZFS_AC_KERNEL_SRC_VFS_GETATTR |
| ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS |
| ZFS_AC_KERNEL_SRC_VFS_ITERATE |
| ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO |
| ZFS_AC_KERNEL_SRC_VFS_READPAGES |
| ZFS_AC_KERNEL_SRC_VFS_SET_PAGE_DIRTY_NOBUFFERS |
| ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE |
| ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS |
| ZFS_AC_KERNEL_SRC_VFS_IOV_ITER |
| ZFS_AC_KERNEL_SRC_KMAP_ATOMIC_ARGS |
| ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE |
| ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN |
| ZFS_AC_KERNEL_SRC_GENERIC_IO_ACCT |
| ZFS_AC_KERNEL_SRC_FPU |
| ZFS_AC_KERNEL_SRC_FMODE_T |
| ZFS_AC_KERNEL_SRC_KUIDGID_T |
| ZFS_AC_KERNEL_SRC_KUID_HELPERS |
| ZFS_AC_KERNEL_SRC_RENAME |
| ZFS_AC_KERNEL_SRC_CURRENT_TIME |
| ZFS_AC_KERNEL_SRC_USERNS_CAPABILITIES |
| ZFS_AC_KERNEL_SRC_IN_COMPAT_SYSCALL |
| ZFS_AC_KERNEL_SRC_KTIME |
| ZFS_AC_KERNEL_SRC_TOTALRAM_PAGES_FUNC |
| ZFS_AC_KERNEL_SRC_TOTALHIGH_PAGES |
| ZFS_AC_KERNEL_SRC_KSTRTOUL |
| ZFS_AC_KERNEL_SRC_PERCPU |
| ZFS_AC_KERNEL_SRC_CPU_HOTPLUG |
| ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR |
| ZFS_AC_KERNEL_SRC_MKNOD |
| ZFS_AC_KERNEL_SRC_SYMLINK |
| ZFS_AC_KERNEL_SRC_BIO_MAX_SEGS |
| ZFS_AC_KERNEL_SRC_SIGNAL_STOP |
| ZFS_AC_KERNEL_SRC_SIGINFO |
| ZFS_AC_KERNEL_SRC_SYSFS |
| ZFS_AC_KERNEL_SRC_SET_SPECIAL_STATE |
| ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG |
| ZFS_AC_KERNEL_SRC_PAGEMAP_FOLIO_WAIT_BIT |
| ZFS_AC_KERNEL_SRC_ADD_DISK |
| ZFS_AC_KERNEL_SRC_KTHREAD |
| ZFS_AC_KERNEL_SRC_ZERO_PAGE |
| ZFS_AC_KERNEL_SRC___COPY_FROM_USER_INATOMIC |
| ZFS_AC_KERNEL_SRC_FILEMAP |
| ZFS_AC_KERNEL_SRC_WRITEPAGE_T |
| ZFS_AC_KERNEL_SRC_RECLAIMED |
| ZFS_AC_KERNEL_SRC_REGISTER_SYSCTL_TABLE |
| ZFS_AC_KERNEL_SRC_COPY_SPLICE_READ |
| case "$host_cpu" in |
| powerpc*) |
| ZFS_AC_KERNEL_SRC_CPU_HAS_FEATURE |
| ZFS_AC_KERNEL_SRC_FLUSH_DCACHE_PAGE |
| ;; |
| esac |
| |
| AC_MSG_CHECKING([for available kernel interfaces]) |
| ZFS_LINUX_TEST_COMPILE_ALL([kabi]) |
| AC_MSG_RESULT([done]) |
| ]) |
| |
| dnl # |
| dnl # Check results of kernel interface tests. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [ |
| ZFS_AC_KERNEL_ACCESS_OK_TYPE |
| ZFS_AC_KERNEL_GLOBAL_PAGE_STATE |
| ZFS_AC_KERNEL_OBJTOOL |
| ZFS_AC_KERNEL_PDE_DATA |
| ZFS_AC_KERNEL_FALLOCATE |
| ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE |
| ZFS_AC_KERNEL_RWSEM |
| ZFS_AC_KERNEL_SCHED |
| ZFS_AC_KERNEL_USLEEP_RANGE |
| ZFS_AC_KERNEL_KMEM_CACHE |
| ZFS_AC_KERNEL_KVMALLOC |
| ZFS_AC_KERNEL_VMALLOC_PAGE_KERNEL |
| ZFS_AC_KERNEL_WAIT |
| ZFS_AC_KERNEL_INODE_TIMES |
| ZFS_AC_KERNEL_INODE_LOCK |
| ZFS_AC_KERNEL_GROUP_INFO_GID |
| ZFS_AC_KERNEL_RW |
| ZFS_AC_KERNEL_TIMER_SETUP |
| ZFS_AC_KERNEL_SUPER_USER_NS |
| ZFS_AC_KERNEL_PROC_OPERATIONS |
| ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS |
| ZFS_AC_KERNEL_BIO |
| ZFS_AC_KERNEL_BLKDEV |
| ZFS_AC_KERNEL_BLK_QUEUE |
| ZFS_AC_KERNEL_GENHD_FLAGS |
| ZFS_AC_KERNEL_REVALIDATE_DISK |
| ZFS_AC_KERNEL_GET_DISK_RO |
| ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL |
| ZFS_AC_KERNEL_DISCARD_GRANULARITY |
| ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE |
| ZFS_AC_KERNEL_XATTR |
| ZFS_AC_KERNEL_ACL |
| ZFS_AC_KERNEL_INODE_SETATTR |
| ZFS_AC_KERNEL_INODE_GETATTR |
| ZFS_AC_KERNEL_INODE_SET_FLAGS |
| ZFS_AC_KERNEL_INODE_SET_IVERSION |
| ZFS_AC_KERNEL_SHOW_OPTIONS |
| ZFS_AC_KERNEL_FILE_INODE |
| ZFS_AC_KERNEL_FILE_DENTRY |
| ZFS_AC_KERNEL_FSYNC |
| ZFS_AC_KERNEL_AIO_FSYNC |
| ZFS_AC_KERNEL_EVICT_INODE |
| ZFS_AC_KERNEL_DIRTY_INODE |
| ZFS_AC_KERNEL_SHRINKER |
| ZFS_AC_KERNEL_MKDIR |
| ZFS_AC_KERNEL_LOOKUP_FLAGS |
| ZFS_AC_KERNEL_CREATE |
| ZFS_AC_KERNEL_GET_LINK |
| ZFS_AC_KERNEL_PUT_LINK |
| ZFS_AC_KERNEL_TMPFILE |
| 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_DENTRY |
| ZFS_AC_KERNEL_DENTRY_ALIAS_D_U |
| ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
| ZFS_AC_KERNEL_SECURITY_INODE |
| ZFS_AC_KERNEL_FST_MOUNT |
| ZFS_AC_KERNEL_BDI |
| ZFS_AC_KERNEL_SET_NLINK |
| ZFS_AC_KERNEL_SGET |
| ZFS_AC_KERNEL_LSEEK_EXECUTE |
| ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO |
| ZFS_AC_KERNEL_VFS_READ_FOLIO |
| ZFS_AC_KERNEL_VFS_GETATTR |
| ZFS_AC_KERNEL_VFS_FSYNC_2ARGS |
| ZFS_AC_KERNEL_VFS_ITERATE |
| ZFS_AC_KERNEL_VFS_DIRECT_IO |
| ZFS_AC_KERNEL_VFS_READPAGES |
| ZFS_AC_KERNEL_VFS_SET_PAGE_DIRTY_NOBUFFERS |
| ZFS_AC_KERNEL_VFS_RW_ITERATE |
| ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS |
| ZFS_AC_KERNEL_VFS_IOV_ITER |
| ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS |
| ZFS_AC_KERNEL_FOLLOW_DOWN_ONE |
| ZFS_AC_KERNEL_MAKE_REQUEST_FN |
| ZFS_AC_KERNEL_GENERIC_IO_ACCT |
| ZFS_AC_KERNEL_FPU |
| ZFS_AC_KERNEL_FMODE_T |
| ZFS_AC_KERNEL_KUIDGID_T |
| ZFS_AC_KERNEL_KUID_HELPERS |
| ZFS_AC_KERNEL_RENAME |
| ZFS_AC_KERNEL_CURRENT_TIME |
| ZFS_AC_KERNEL_USERNS_CAPABILITIES |
| ZFS_AC_KERNEL_IN_COMPAT_SYSCALL |
| ZFS_AC_KERNEL_KTIME |
| ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC |
| ZFS_AC_KERNEL_TOTALHIGH_PAGES |
| ZFS_AC_KERNEL_KSTRTOUL |
| ZFS_AC_KERNEL_PERCPU |
| ZFS_AC_KERNEL_CPU_HOTPLUG |
| ZFS_AC_KERNEL_GENERIC_FILLATTR |
| ZFS_AC_KERNEL_MKNOD |
| ZFS_AC_KERNEL_SYMLINK |
| ZFS_AC_KERNEL_BIO_MAX_SEGS |
| ZFS_AC_KERNEL_SIGNAL_STOP |
| ZFS_AC_KERNEL_SIGINFO |
| ZFS_AC_KERNEL_SYSFS |
| ZFS_AC_KERNEL_SET_SPECIAL_STATE |
| ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG |
| ZFS_AC_KERNEL_PAGEMAP_FOLIO_WAIT_BIT |
| ZFS_AC_KERNEL_ADD_DISK |
| ZFS_AC_KERNEL_KTHREAD |
| ZFS_AC_KERNEL_ZERO_PAGE |
| ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC |
| ZFS_AC_KERNEL_FILEMAP |
| ZFS_AC_KERNEL_WRITEPAGE_T |
| ZFS_AC_KERNEL_RECLAIMED |
| ZFS_AC_KERNEL_REGISTER_SYSCTL_TABLE |
| ZFS_AC_KERNEL_COPY_SPLICE_READ |
| case "$host_cpu" in |
| powerpc*) |
| ZFS_AC_KERNEL_CPU_HAS_FEATURE |
| ZFS_AC_KERNEL_FLUSH_DCACHE_PAGE |
| ;; |
| esac |
| ]) |
| |
| 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 # |
| dnl # Most modern Linux distributions have separate locations for bare |
| dnl # source (source) and prebuilt (build) files. Additionally, there are |
| dnl # `source` and `build` symlinks in `/lib/modules/$(KERNEL_VERSION)` |
| dnl # pointing to them. The directory search order is now: |
| dnl # |
| dnl # - `configure` command line values if both `--with-linux` and |
| dnl # `--with-linux-obj` were defined |
| dnl # |
| dnl # - If only `--with-linux` was defined, `--with-linux-obj` is assumed |
| dnl # to have the same value as `--with-linux` |
| dnl # |
| dnl # - If neither `--with-linux` nor `--with-linux-obj` were defined |
| dnl # autodetection is used: |
| dnl # |
| dnl # - `/lib/modules/$(uname -r)/{source,build}` respectively, if exist. |
| dnl # |
| dnl # - If only `/lib/modules/$(uname -r)/build` exists, it is assumed |
| dnl # to be both source and build directory. |
| dnl # |
| dnl # - The first directory in `/lib/modules` with the highest version |
| dnl # number according to `sort -V` which contains both `source` and |
| dnl # `build` symlinks/directories. If module directory contains only |
| dnl # `build` component, it is assumed to be both source and build |
| dnl # directory. |
| dnl # |
| dnl # - Last resort: the first directory matching `/usr/src/kernels/*` |
| dnl # and `/usr/src/linux-*` with the highest version number according |
| dnl # to `sort -V` is assumed to be both source and build directory. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL], [ |
| AC_ARG_WITH([linux], |
| AS_HELP_STRING([--with-linux=PATH], |
| [Path to kernel source]), |
| [kernelsrc="$withval"]) |
| |
| AC_ARG_WITH(linux-obj, |
| AS_HELP_STRING([--with-linux-obj=PATH], |
| [Path to kernel build objects]), |
| [kernelbuild="$withval"]) |
| |
| AC_MSG_CHECKING([kernel source and build directories]) |
| AS_IF([test -n "$kernelsrc" && test -z "$kernelbuild"], [ |
| kernelbuild="$kernelsrc" |
| ], [test -z "$kernelsrc"], [ |
| AS_IF([test -e "/lib/modules/$(uname -r)/source" && \ |
| test -e "/lib/modules/$(uname -r)/build"], [ |
| src="/lib/modules/$(uname -r)/source" |
| build="/lib/modules/$(uname -r)/build" |
| ], [test -e "/lib/modules/$(uname -r)/build"], [ |
| build="/lib/modules/$(uname -r)/build" |
| src="$build" |
| ], [ |
| src= |
| |
| for d in $(ls -1d /lib/modules/* 2>/dev/null | sort -Vr); do |
| if test -e "$d/source" && test -e "$d/build"; then |
| src="$d/source" |
| build="$d/build" |
| break |
| fi |
| |
| if test -e "$d/build"; then |
| src="$d/build" |
| build="$d/build" |
| break |
| fi |
| done |
| |
| # the least reliable method |
| if test -z "$src"; then |
| src=$(ls -1d /usr/src/kernels/* /usr/src/linux-* \ |
| 2>/dev/null | grep -v obj | sort -Vr | head -1) |
| build="$src" |
| fi |
| ]) |
| |
| AS_IF([test -n "$src" && test -e "$src"], [ |
| kernelsrc=$(readlink -e "$src") |
| ], [ |
| kernelsrc="[Not found]" |
| ]) |
| AS_IF([test -n "$build" && test -e "$build"], [ |
| kernelbuild=$(readlink -e "$build") |
| ], [ |
| kernelbuild="[Not found]" |
| ]) |
| ], [ |
| AS_IF([test "$kernelsrc" = "NONE"], [ |
| kernsrcver=NONE |
| ]) |
| withlinux=yes |
| ]) |
| |
| AC_MSG_RESULT([done]) |
| AC_MSG_CHECKING([kernel source directory]) |
| AC_MSG_RESULT([$kernelsrc]) |
| AC_MSG_CHECKING([kernel build directory]) |
| AC_MSG_RESULT([$kernelbuild]) |
| AS_IF([test ! -d "$kernelsrc" || test ! -d "$kernelbuild"], [ |
| 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 and build with the '--with-linux=PATH' and |
| *** '--with-linux-obj=PATH' options respectively.]) |
| ]) |
| |
| 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 && grep -qF UTS_RELEASE $utsrelease1], [ |
| utsrelease=$utsrelease1 |
| ], [test -r $utsrelease2 && grep -qF UTS_RELEASE $utsrelease2], [ |
| utsrelease=$utsrelease2 |
| ], [test -r $utsrelease3 && grep -qF UTS_RELEASE $utsrelease3], [ |
| utsrelease=$utsrelease3 |
| ]) |
| |
| AS_IF([test -n "$utsrelease"], [ |
| kernsrcver=$($AWK '/UTS_RELEASE/ { gsub(/"/, "", $[3]); print $[3] }' $utsrelease) |
| AS_IF([test -z "$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]) |
| |
| AS_VERSION_COMPARE([$kernsrcver], [$ZFS_META_KVER_MIN], [ |
| AC_MSG_ERROR([ |
| *** Cannot build against kernel version $kernsrcver. |
| *** The minimum supported kernel version is $ZFS_META_KVER_MIN. |
| ]) |
| ]) |
| |
| LINUX=${kernelsrc} |
| LINUX_OBJ=${kernelbuild} |
| LINUX_VERSION=${kernsrcver} |
| |
| AC_SUBST(LINUX) |
| AC_SUBST(LINUX_OBJ) |
| AC_SUBST(LINUX_VERSION) |
| ]) |
| |
| dnl # |
| dnl # Detect the QAT module to be built against, QAT provides hardware |
| dnl # acceleration for data compression: |
| dnl # |
| dnl # https://01.org/intel-quickassist-technology |
| dnl # |
| dnl # 1) Download and install QAT driver from the above link |
| dnl # 2) Start QAT driver in your system: |
| dnl # service qat_service start |
| dnl # 3) Enable QAT in ZFS, e.g.: |
| dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6 |
| dnl # make |
| dnl # 4) Set GZIP compression in ZFS dataset: |
| dnl # zfs set compression = gzip <dataset> |
| dnl # |
| dnl # Then the data written to this ZFS pool is compressed by QAT accelerator |
| dnl # automatically, and de-compressed by QAT when read from the pool. |
| dnl # |
| dnl # 1) Get QAT hardware statistics with: |
| dnl # cat /proc/icp_dh895xcc_dev/qat |
| dnl # 2) 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 # ZFS_LINUX_CONFTEST_H |
| dnl # |
| AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ |
| test -d build/$2 || mkdir -p build/$2 |
| cat - <<_ACEOF >build/$2/$2.h |
| $1 |
| _ACEOF |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_CONFTEST_C |
| dnl # |
| AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ |
| test -d build/$2 || mkdir -p build/$2 |
| cat confdefs.h - <<_ACEOF >build/$2/$2.c |
| $1 |
| _ACEOF |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_CONFTEST_MAKEFILE |
| dnl # |
| dnl # $1 - test case name |
| dnl # $2 - add to top-level Makefile |
| dnl # $3 - additional build flags |
| dnl # |
| AC_DEFUN([ZFS_LINUX_CONFTEST_MAKEFILE], [ |
| test -d build || mkdir -p build |
| test -d build/$1 || mkdir -p build/$1 |
| |
| file=build/$1/Makefile |
| |
| dnl # Example command line to manually build source. |
| cat - <<_ACEOF >$file |
| # Example command line to manually build source |
| # make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/$1 |
| |
| ccflags-y := -Werror $FRAME_LARGER_THAN |
| _ACEOF |
| |
| dnl # Additional custom CFLAGS as requested. |
| m4_ifval($3, [echo "ccflags-y += $3" >>$file], []) |
| |
| dnl # Test case source |
| echo "obj-m := $1.o" >>$file |
| |
| AS_IF([test "x$2" = "xyes"], [echo "obj-m += $1/" >>build/Makefile], []) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_PROGRAM(C)([PROLOGUE], [BODY]) |
| dnl # |
| m4_define([ZFS_LINUX_TEST_PROGRAM], [ |
| #include <linux/module.h> |
| $1 |
| |
| int |
| main (void) |
| { |
| $2 |
| ; |
| return 0; |
| } |
| |
| MODULE_DESCRIPTION("conftest"); |
| MODULE_AUTHOR(ZFS_META_AUTHOR); |
| MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); |
| MODULE_LICENSE($3); |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_REMOVE |
| dnl # |
| dnl # Removes the specified test source and results. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_REMOVE], [ |
| test -d build/$1 && rm -Rf build/$1 |
| test -f build/Makefile && sed '/$1/d' build/Makefile |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_COMPILE |
| dnl # |
| dnl # $1 - build dir |
| dnl # $2 - test command |
| dnl # $3 - pass command |
| dnl # $4 - fail command |
| dnl # $5 - set KBUILD_MODPOST_NOFINAL='yes' |
| dnl # $6 - set KBUILD_MODPOST_WARN='yes' |
| dnl # |
| dnl # Used internally by ZFS_LINUX_TEST_{COMPILE,MODPOST} |
| dnl # |
| AC_DEFUN([ZFS_LINUX_COMPILE], [ |
| AC_ARG_VAR([KERNEL_CC], [C compiler for |
| building kernel modules]) |
| AC_ARG_VAR([KERNEL_LD], [Linker for |
| building kernel modules]) |
| AC_ARG_VAR([KERNEL_LLVM], [Binary option to |
| build kernel modules with LLVM/CLANG toolchain]) |
| AC_TRY_COMMAND([ |
| KBUILD_MODPOST_NOFINAL="$5" KBUILD_MODPOST_WARN="$6" |
| make modules -k -j$TEST_JOBS ${KERNEL_CC:+CC=$KERNEL_CC} |
| ${KERNEL_LD:+LD=$KERNEL_LD} ${KERNEL_LLVM:+LLVM=$KERNEL_LLVM} |
| CONFIG_MODULES=y CFLAGS_MODULE=-DCONFIG_MODULES |
| -C $LINUX_OBJ $ARCH_UM M=$PWD/$1 >$1/build.log 2>&1]) |
| AS_IF([AC_TRY_COMMAND([$2])], [$3], [$4]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_COMPILE |
| dnl # |
| dnl # Perform a full compile excluding the final modpost phase. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_COMPILE], [ |
| ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ |
| mv $2/Makefile $2/Makefile.compile.$1 |
| mv $2/build.log $2/build.log.$1 |
| ],[ |
| AC_MSG_ERROR([ |
| *** Unable to compile test source to determine kernel interfaces.]) |
| ], [yes], []) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_MODPOST |
| dnl # |
| dnl # Perform a full compile including the modpost phase. This may |
| dnl # be an incremental build if the objects have already been built. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_MODPOST], [ |
| ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ |
| mv $2/Makefile $2/Makefile.modpost.$1 |
| cat $2/build.log >>build/build.log.$1 |
| ],[ |
| AC_MSG_ERROR([ |
| *** Unable to modpost test source to determine kernel interfaces.]) |
| ], [], [yes]) |
| ]) |
| |
| dnl # |
| dnl # Perform the compilation of the test cases in two phases. |
| dnl # |
| dnl # Phase 1) attempt to build the object files for all of the tests |
| dnl # defined by the ZFS_LINUX_TEST_SRC macro. But do not |
| dnl # perform the final modpost stage. |
| dnl # |
| dnl # Phase 2) disable all tests which failed the initial compilation, |
| dnl # then invoke the final modpost step for the remaining tests. |
| dnl # |
| dnl # This allows us efficiently build the test cases in parallel while |
| dnl # remaining resilient to build failures which are expected when |
| dnl # detecting the available kernel interfaces. |
| dnl # |
| dnl # The maximum allowed parallelism can be controlled by setting the |
| dnl # TEST_JOBS environment variable. Otherwise, it default to $(nproc). |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_COMPILE_ALL], [ |
| dnl # Phase 1 - Compilation only, final linking is skipped. |
| ZFS_LINUX_TEST_COMPILE([$1], [build]) |
| |
| dnl # |
| dnl # Phase 2 - When building external modules disable test cases |
| dnl # which failed to compile and invoke modpost to verify the |
| dnl # final linking. |
| dnl # |
| dnl # Test names suffixed with '_license' call modpost independently |
| dnl # to ensure that a single incompatibility does not result in the |
| dnl # modpost phase exiting early. This check is not performed on |
| dnl # every symbol since the majority are compatible and doing so |
| dnl # would significantly slow down this phase. |
| dnl # |
| dnl # When configuring for builtin (--enable-linux-builtin) |
| dnl # fake the linking step artificially create the expected .ko |
| dnl # files for tests which did compile. This is required for |
| dnl # kernels which do not have loadable module support or have |
| dnl # not yet been built. |
| dnl # |
| AS_IF([test "x$enable_linux_builtin" = "xno"], [ |
| for dir in $(awk '/^obj-m/ { print [$]3 }' \ |
| build/Makefile.compile.$1); do |
| name=${dir%/} |
| AS_IF([test -f build/$name/$name.o], [ |
| AS_IF([test "${name##*_}" = "license"], [ |
| ZFS_LINUX_TEST_MODPOST([$1], |
| [build/$name]) |
| echo "obj-n += $dir" >>build/Makefile |
| ], [ |
| echo "obj-m += $dir" >>build/Makefile |
| ]) |
| ], [ |
| echo "obj-n += $dir" >>build/Makefile |
| ]) |
| done |
| |
| ZFS_LINUX_TEST_MODPOST([$1], [build]) |
| ], [ |
| for dir in $(awk '/^obj-m/ { print [$]3 }' \ |
| build/Makefile.compile.$1); do |
| name=${dir%/} |
| AS_IF([test -f build/$name/$name.o], [ |
| touch build/$name/$name.ko |
| ]) |
| done |
| ]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_SRC |
| dnl # |
| dnl # $1 - name |
| dnl # $2 - global |
| dnl # $3 - source |
| dnl # $4 - extra cflags |
| dnl # $5 - check license-compatibility |
| dnl # |
| dnl # Check if the test source is buildable at all and then if it is |
| dnl # license compatible. |
| dnl # |
| dnl # N.B because all of the test cases are compiled in parallel they |
| dnl # must never depend on the results of previous tests. Each test |
| dnl # needs to be entirely independent. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_SRC], [ |
| ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM([[$2]], [[$3]], |
| [["Dual BSD/GPL"]])], [$1]) |
| ZFS_LINUX_CONFTEST_MAKEFILE([$1], [yes], [$4]) |
| |
| AS_IF([ test -n "$5" ], [ |
| ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM( |
| [[$2]], [[$3]], [[$5]])], [$1_license]) |
| ZFS_LINUX_CONFTEST_MAKEFILE([$1_license], [yes], [$4]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_RESULT |
| dnl # |
| dnl # $1 - name of a test source (ZFS_LINUX_TEST_SRC) |
| dnl # $2 - run on success (valid .ko generated) |
| dnl # $3 - run on failure (unable to compile) |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_RESULT], [ |
| AS_IF([test -d build/$1], [ |
| AS_IF([test -f build/$1/$1.ko], [$2], [$3]) |
| ], [ |
| AC_MSG_ERROR([ |
| *** No matching source for the "$1" test, check that |
| *** both the test source and result macros refer to the same name. |
| ]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_ERROR |
| dnl # |
| dnl # Generic error message which can be used when none of the expected |
| dnl # kernel interfaces were detected. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_ERROR], [ |
| AC_MSG_ERROR([ |
| *** None of the expected "$1" interfaces were detected. |
| *** This may be because your kernel version is newer than what is |
| *** supported, or you are using a patched custom kernel with |
| *** incompatible modifications. |
| *** |
| *** ZFS Version: $ZFS_META_ALIAS |
| *** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX |
| ]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TEST_RESULT_SYMBOL |
| dnl # |
| dnl # Like ZFS_LINUX_TEST_RESULT except ZFS_CHECK_SYMBOL_EXPORT is called to |
| dnl # verify symbol exports, unless --enable-linux-builtin was provided to |
| dnl # configure. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TEST_RESULT_SYMBOL], [ |
| AS_IF([ ! test -f build/$1/$1.ko], [ |
| $5 |
| ], [ |
| AS_IF([test "x$enable_linux_builtin" != "xyes"], [ |
| ZFS_CHECK_SYMBOL_EXPORT([$2], [$3], [$4], [$5]) |
| ], [ |
| $4 |
| ]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_COMPILE_IFELSE |
| dnl # |
| AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ |
| ZFS_LINUX_TEST_REMOVE([conftest]) |
| |
| m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1], [conftest])]) |
| m4_ifvaln([$5], [ZFS_LINUX_CONFTEST_H([$5], [conftest])], |
| [ZFS_LINUX_CONFTEST_H([], [conftest])]) |
| |
| ZFS_LINUX_CONFTEST_MAKEFILE([conftest], [no], |
| [m4_ifvaln([$5], [-I$PWD/build/conftest], [])]) |
| ZFS_LINUX_COMPILE([build/conftest], [$2], [$3], [$4], [], []) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TRY_COMPILE |
| dnl # |
| dnl # $1 - global |
| dnl # $2 - source |
| dnl # $3 - run on success (valid .ko generated) |
| dnl # $4 - run on failure (unable to compile) |
| dnl # |
| dnl # When configuring as builtin (--enable-linux-builtin) for kernels |
| dnl # without loadable module support (CONFIG_MODULES=n) only the object |
| dnl # file is created. See ZFS_LINUX_TEST_COMPILE_ALL for details. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TRY_COMPILE], [ |
| AS_IF([test "x$enable_linux_builtin" = "xyes"], [ |
| ZFS_LINUX_COMPILE_IFELSE( |
| [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
| [[ZFS_META_LICENSE]])], |
| [test -f build/conftest/conftest.o], [$3], [$4]) |
| ], [ |
| ZFS_LINUX_COMPILE_IFELSE( |
| [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
| [[ZFS_META_LICENSE]])], |
| [test -f build/conftest/conftest.ko], [$3], [$4]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_CHECK_SYMBOL_EXPORT |
| dnl # |
| dnl # Check if a symbol is exported on not by consulting the symbols |
| dnl # file, or optionally the source code. |
| 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 # |
| dnl # Like ZFS_LINUX_TRY_COMPILER except ZFS_CHECK_SYMBOL_EXPORT is called |
| dnl # to verify symbol exports, unless --enable-linux-builtin was provided |
| dnl # to configure. |
| 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 : |
| $5 |
| fi |
| fi |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_TRY_COMPILE_HEADER |
| dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are |
| dnl # provided via the fifth parameter |
| dnl # |
| AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], [ |
| AS_IF([test "x$enable_linux_builtin" = "xyes"], [ |
| ZFS_LINUX_COMPILE_IFELSE( |
| [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
| [[ZFS_META_LICENSE]])], |
| [test -f build/conftest/conftest.o], [$3], [$4], [$5]) |
| ], [ |
| ZFS_LINUX_COMPILE_IFELSE( |
| [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
| [[ZFS_META_LICENSE]])], |
| [test -f build/conftest/conftest.ko], [$3], [$4], [$5]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # AS_VERSION_COMPARE_LE |
| dnl # like AS_VERSION_COMPARE_LE, but runs $3 if (and only if) $1 <= $2 |
| dnl # AS_VERSION_COMPARE_LE (version-1, version-2, [action-if-less-or-equal], [action-if-greater]) |
| dnl # |
| AC_DEFUN([AS_VERSION_COMPARE_LE], [ |
| AS_VERSION_COMPARE([$1], [$2], [$3], [$3], [$4]) |
| ]) |
| |
| dnl # |
| dnl # ZFS_LINUX_REQUIRE_API |
| dnl # like ZFS_LINUX_TEST_ERROR, except only fails if the kernel is |
| dnl # at least some specified version. |
| dnl # |
| AC_DEFUN([ZFS_LINUX_REQUIRE_API], [ |
| AS_VERSION_COMPARE_LE([$2], [$kernsrcver], [ |
| AC_MSG_ERROR([ |
| *** None of the expected "$1" interfaces were detected. This |
| *** interface is expected for kernels version "$2" and above. |
| *** This may be because your kernel version is newer than what is |
| *** supported, or you are using a patched custom kernel with |
| *** incompatible modifications. Newer kernels may have incompatible |
| *** APIs. |
| *** |
| *** ZFS Version: $ZFS_META_ALIAS |
| *** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX |
| ]) |
| ], [ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |