+# SPDX-License-Identifier: GPL-2.0
+
#
-# LN_CONFIG_MAX_PAYLOAD
-#
-# configure maximum payload
+# This file is part of Lustre, http://www.lustre.org/
#
-AC_DEFUN([LN_CONFIG_MAX_PAYLOAD], [
-AC_MSG_CHECKING([for non-default maximum LNET payload])
-AC_ARG_WITH([max-payload-mb],
- AC_HELP_STRING([--with-max-payload-mb=MBytes],
- [set maximum lnet payload in MBytes]),
- [
- AC_MSG_RESULT([$with_max_payload_mb])
- CONFIG_LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
- CONFIG_LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
- ], [
- AC_MSG_RESULT([no])
- CONFIG_LNET_MAX_PAYLOAD="LNET_MTU"
- ])
-AC_DEFINE_UNQUOTED(CONFIG_LNET_MAX_PAYLOAD, $CONFIG_LNET_MAX_PAYLOAD,
- [Max LNET payload])
-]) # LN_CONFIG_MAX_PAYLOAD
-
-#
-# LN_CHECK_GCC_VERSION
-#
-# Check compiler version
-#
-AC_DEFUN([LN_CHECK_GCC_VERSION], [
-AC_MSG_CHECKING([compiler version])
-PTL_CC_VERSION=`$CC --version | awk '/^gcc/{print $ 3}'`
-PTL_MIN_CC_VERSION="3.2.2"
-v2n() {
- awk -F. '{printf "%d\n", (($ 1)*100+($ 2))*100+($ 3)}'
-}
-if test -z "$PTL_CC_VERSION" -o \
- $(echo $PTL_CC_VERSION | v2n) -ge $(echo $PTL_MIN_CC_VERSION | v2n); then
- AC_MSG_RESULT([ok])
-else
- AC_MSG_RESULT([Buggy compiler found])
- AC_MSG_ERROR([Need gcc version >= $PTL_MIN_CC_VERSION])
-fi
-]) # LN_CHECK_GCC_VERSION
-
-#
-# LN_CONFIG_AFFINITY
-#
-# check if cpu affinity is available/wanted
-#
-AC_DEFUN([LN_CONFIG_AFFINITY], [
-AC_MSG_CHECKING([whether to enable CPU affinity support])
-AC_ARG_ENABLE([affinity],
- AC_HELP_STRING([--disable-affinity],
- [disable process/irq affinity]),
- [], [enable_affinity="yes"])
-AC_MSG_RESULT([$enable_affinity])
-AS_IF([test "x$enable_affinity" = xyes], [
- LB_CHECK_COMPILE([if Linux kernel has cpu affinity support],
- set_cpus_allowed_ptr, [
- #include <linux/sched.h>
- ],[
- struct task_struct *t;
- #if HAVE_CPUMASK_T
- cpumask_t m;
- #else
- unsigned long m;
- #endif
- set_cpus_allowed_ptr(t, &m);
- ],[
- AC_DEFINE(CPU_AFFINITY, 1,
- [kernel has cpu affinity support])
- ])
-])
-]) # LN_CONFIG_AFFINITY
-#
# LN_CONFIG_BACKOFF
#
# check if tunable tcp backoff is available/wanted
AC_DEFUN([LN_CONFIG_BACKOFF], [
AC_MSG_CHECKING([whether to enable tunable backoff TCP support])
AC_ARG_ENABLE([backoff],
- AC_HELP_STRING([--disable-backoff],
+ AS_HELP_STRING([--disable-backoff],
[disable socknal tunable backoff]),
[], [enable_backoff="yes"])
AC_MSG_RESULT([$enable_backoff])
], [
AC_MSG_RESULT([no])
])
+
+ AC_SUBST(ENABLE_BACKOFF, yes)
+], [
+ AC_SUBST(ENABLE_BACKOFF, no)
+
])
]) # LN_CONFIG_BACKOFF
#
# LN_CONFIG_DLC
#
-# Configure dlc if enabled
+# Configure dlc
#
-# if libyaml is set (IE libyaml installed) and enable_dlc = yes then build
-# dlc other wise (IE if libyaml is not set or enable_dlc = no) then don't
-# build dlc.
+# fail to build if libyaml is not installed
#
AC_DEFUN([LN_CONFIG_DLC], [
- AC_CHECK_LIB([yaml], [yaml_parser_initialize],[
- LIBYAML="libyaml"],[
- LIBYAML=""],[-lm])
- AC_MSG_CHECKING([whether to enable dlc])
- AC_ARG_ENABLE([dlc],
- AC_HELP_STRING([--disable-dlc],
- [disable building dlc]),
- [], [enable_dlc="yes"])
- USE_DLC=""
- AS_IF([test "x$enable_dlc" = xyes],
- [AS_IF([test "x$LIBYAML" = xlibyaml], [
- USE_DLC="yes"
- AC_MSG_RESULT([yes])
- ], [
- AC_MSG_RESULT([no (libyaml not present)])
- ])
- ], [
- AC_MSG_RESULT([no])
+ AS_IF([test "x$enable_dist" = xno], [
+ AC_CHECK_LIB([yaml], [yaml_parser_initialize],
+ [LIBYAML="libyaml"],
+ [AC_MSG_ERROR([YAML development libraries not not installed])],
+ [-lm])
])
- AC_SUBST(USE_DLC)
-])
+]) # LN_CONFIG_DLC
#
# LN_CONFIG_O2IB
# for both source and DKMS builds.
#
AC_DEFUN([LN_CONFIG_O2IB], [
-AC_MSG_CHECKING([whether to use Compat RDMA])
+AC_ARG_ENABLE([multiple-lnds],
+ [AS_HELP_STRING([--enable-multiple-lnds],
+ [enable multiple lnds to build in-kernel and external o2iblnd])],
+ [AS_IF([test x$enable_multiple_lnds != xyes -a x$enable_multiple_lnds != xno],
+ [AC_MSG_ERROR([multiple-lnds valid options are "yes" or "no"])])],
+ [enable_multiple_lnds="no"])
+ ENABLE_MULTIPLE_LNDS="$enable_multiple_lnds"
+
+AC_MSG_CHECKING([if external o2iblnd needs to use Compat RDMA])
AC_ARG_WITH([o2ib],
- AC_HELP_STRING([--with-o2ib=[yes|no|<path>]],
+ AS_HELP_STRING([--with-o2ib=[yes|no|<path>]],
[build o2iblnd against path]),
[], [with_o2ib="yes"])
case $with_o2ib in
- yes) AS_IF([which ofed_info 2>/dev/null], [
- O2IBPATHS=$(ofed_info | egrep -w 'compat-rdma-devel|kernel-ib-devel|ofa_kernel-devel' | xargs rpm -ql | grep '/openib$')
- AS_IF([test -z "$O2IBPATHS"], [
- AC_MSG_ERROR([
-You seem to have an OFED installed but have not installed it's devel package.
-If you still want to build Lustre for your OFED I/B stack, you need to install its devel headers RPM.
-Instead, if you want to build Lustre for your kernel's built-in I/B stack rather than your installed OFED stack, either remove the OFED package(s) or use --with-o2ib=no.
- ])
+ yes) INT_O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
+ BUILT_IN_KO2IBLND="yes"
+ # Use ofed_info to find external driver
+ AS_IF([which ofed_info 2>/dev/null], [
+ AS_IF([test x$uses_dpkg = xyes], [
+ LIST_ALL_PKG="dpkg -l | awk '{print \[$]2}'"
+ LSPKG="dpkg --listfiles"
+ ], [
+ LIST_ALL_PKG="rpm -qa"
+ LSPKG="rpm -ql"
])
- AS_IF([test $(echo $O2IBPATHS | wc -w) -ge 2], [
- AC_MSG_ERROR([
-It appears that you have multiple OFED versions installed.
-If you still want to build Lustre for your OFED I/B stack, you need to install a single version with its devel headers RPM.
-Instead, if you want to build Lustre for your kernel's built-in I/B stack rather than your installed OFED stack, either remove the OFED package(s) or use --with-o2ib=no.
+
+ O2IBPKG="mlnx-ofed-kernel-dkms"
+ O2IBPKG+="|mlnx-ofed-kernel-modules"
+ O2IBPKG+="|mlnx-ofa_kernel-devel"
+ O2IBPKG+="|compat-rdma-devel"
+ O2IBPKG+="|kernel-ib-devel"
+ O2IBPKG+="|ofa_kernel-devel"
+
+ O2IBDIR="/ofa_kernel"
+ O2IBDIR+="|/ofa_kernel/default"
+ O2IBDIR+="|/openib"
+
+ O2IBDIR_PATH=$(eval $LIST_ALL_PKG |
+ egrep -w "$O2IBPKG" | xargs $LSPKG |
+ egrep "${O2IBDIR}$" | head -n1)
+
+ if test -n "$O2IBDIR_PATH"; then
+ EXT_O2IBPATHS=$(find $O2IBDIR_PATH -name rdma_cm.h |
+ grep -F -e "$(uname -r)" -e default |
+ sed -e 's/\/include\/rdma\/rdma_cm.h//')
+ fi
+
+ # When ofed-scripts are installed and either the devel
+ # package is missing or multiple devel packages are
+ # installed. Give the user a warning
+ # The in-kernel ofed stack can be built .. so we can
+ # proceed.
+
+ EXTERNAL_KO2IBLND="yes"
+ AS_IF([test -z "$EXT_O2IBPATHS"], [
+ EXTERNAL_KO2IBLND="no"
+ AC_MSG_WARN([
+* You seem to have an OFED installed but have not installed the associated
+* devel package.
+* If you still want to build Lustre for your External OFED I/B stack,
+* you need to install its devel headers RPM.
+* Only the kernel built-in I/B stack support will be built.
])
])
- OFED="yes"
- ], [
- O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
+ AS_IF([test $(echo $EXT_O2IBPATHS | wc -w) -ge 2], [
+ BUILT_IN_KO2IBLND="no"
+ AC_MSG_WARN([
+* It appears that you have multiple OFED versions installed.
+* If you still want to build Lustre for your External OFED I/B stack, you
+* need to install a single version with the associated devel package.
+* Only the kernel built-in I/B stack support will be built.
+ ])
+ ])
+ if test x$EXTERNAL_KO2IBLND != "xno" ; then
+ if test -e $EXT_O2IBPATHS/${LINUXRELEASE}; then
+ EXT_O2IBPATHS=$EXT_O2IBPATHS/${LINUXRELEASE}
+ elif test -e $EXT_O2IBPATHS/default; then
+ EXT_O2IBPATHS=$EXT_O2IBPATHS/default
+ fi
+ fi
])
ENABLEO2IB="yes"
;;
- no) ENABLEO2IB="no"
+ no) ENABLEO2IB="no"
+ EXTERNAL_KO2IBLND="no"
+ BUILT_IN_KO2IBLND="no"
;;
- *) O2IBPATHS=$with_o2ib
- ENABLEO2IB="withpath"
- OFED="yes"
+ *) ENABLEO2IB="withpath"
+ EXT_O2IBPATHS=$with_o2ib
+ EXTERNAL_KO2IBLND="yes"
+ INT_O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
+ BUILT_IN_KO2IBLND="yes"
;;
esac
AS_IF([test $ENABLEO2IB = "no"], [
AC_MSG_RESULT([no])
+ AC_DEFUN([LN_CONFIG_O2IB_SRC], [])
+ AC_DEFUN([LN_CONFIG_O2IB_RESULTS], [])
+ EXT_O2IB_SYMBOLS=""
+ INT_O2IB_SYMBOLS=""
], [
- o2ib_found=false
- for O2IBPATH in $O2IBPATHS; do
- AS_IF([test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
- -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
- -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
- -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \)], [
- o2ib_found=true
+ # Verify in-kernel O2IB can be built (headers exist) ... or disable it.
+ int_o2ib_found=false
+ for INT_O2IBPATH in $INT_O2IBPATHS; do
+ AS_IF([test \( -f ${INT_O2IBPATH}/include/rdma/rdma_cm.h -a \
+ -f ${INT_O2IBPATH}/include/rdma/ib_cm.h -a \
+ -f ${INT_O2IBPATH}/include/rdma/ib_verbs.h \)], [
+ int_o2ib_found=true
break
])
done
- if ! $o2ib_found; then
- AC_MSG_RESULT([no])
- case $ENABLEO2IB in
- "yes") AC_MSG_ERROR([no OFED nor kernel OpenIB gen2 headers present]) ;;
+ if ! $int_o2ib_found; then
+ AC_MSG_WARN([kernel does not support in-kernel o2ib, it will not be built])
+ BUILT_IN_KO2IBLND="no"
+ fi
+
+ # Verify external O2IB can be built (headers exist), or abort
+ ext_o2ib_found=false
+ for EXT_O2IBPATH in $EXT_O2IBPATHS; do
+ AS_IF([test \( -f ${EXT_O2IBPATH}/include/rdma/rdma_cm.h -a \
+ -f ${EXT_O2IBPATH}/include/rdma/ib_cm.h -a \
+ -f ${EXT_O2IBPATH}/include/rdma/ib_verbs.h \)], [
+ ext_o2ib_found=true
+ break
+ ])
+ done
+ if ! $ext_o2ib_found; then
+ case $EXT_ENABLEO2IB in
"withpath") AC_MSG_ERROR([bad --with-o2ib path]) ;;
- *) AC_MSG_ERROR([internal error]) ;;
+ *) AC_MSG_WARN([
+Auto detection of external O2IB failed. Build of external o2ib disabled.])
+ EXTERNAL_KO2IBLND="no"
+ ;;
esac
- else
+ fi
+
+ if test "x$EXTERNAL_KO2IBLND" != no ; then
+ # Additional checks for external O2IB
COMPAT_AUTOCONF=""
compatrdma_found=false
- if test -f ${O2IBPATH}/include/linux/compat-2.6.h; then
+ if test -f ${EXT_O2IBPATH}/include/linux/compat-2.6.h; then
AC_MSG_RESULT([yes])
compatrdma_found=true
- AC_DEFINE(HAVE_COMPAT_RDMA, 1, [compat rdma found])
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -include ${O2IBPATH}/include/linux/compat-2.6.h"
- if test -f "$O2IBPATH/include/linux/compat_autoconf.h"; then
- COMPAT_AUTOCONF="$O2IBPATH/include/linux/compat_autoconf.h"
+ AC_DEFINE(HAVE_OFED_COMPAT_RDMA, 1, [compat rdma found])
+ EXTRA_OFED_CONFIG="$EXTRA_OFED_CONFIG -include ${EXT_O2IBPATH}/include/linux/compat-2.6.h"
+ if test -f "$EXT_O2IBPATH/include/linux/compat_autoconf.h"; then
+ COMPAT_AUTOCONF="$EXT_O2IBPATH/include/linux/compat_autoconf.h"
fi
else
AC_MSG_RESULT([no])
fi
if ! $compatrdma_found; then
- if test -f "$O2IBPATH/config.mk"; then
- . "$O2IBPATH/config.mk"
- elif test -f "$O2IBPATH/ofed_patch.mk"; then
- . "$O2IBPATH/ofed_patch.mk"
+ if test -f "$EXT_O2IBPATH/config.mk"; then
+ . "$EXT_O2IBPATH/config.mk"
+ elif test -f "$EXT_O2IBPATH/ofed_patch.mk"; then
+ . "$EXT_O2IBPATH/ofed_patch.mk"
fi
elif test -z "$COMPAT_AUTOCONF"; then
# Depreciated checks
fi
fi
- LB_CHECK_COMPILE([if Linux kernel has kthread_worker],
- linux_kthread_worker, [
- #include <linux/kthread.h>
- ],[
- struct kthread_work *kth_wrk __attribute__ ((unused));
- flush_kthread_work(kth_wrk);
- ],[
- AC_DEFINE(HAVE_KTHREAD_WORK, 1, [kthread_worker found])
- if test -z "$COMPAT_AUTOCONF"; then
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_IS_KTHREAD"
- fi
- ])
-
AC_MSG_CHECKING([whether to use any OFED backport headers])
if test -n "$BACKPORT_INCLUDES"; then
AC_MSG_RESULT([yes])
- OFED_BACKPORT_PATH="$O2IBPATH/${BACKPORT_INCLUDES/*\/kernel_addons/kernel_addons}/"
+ OFED_BACKPORT_PATH="$EXT_O2IBPATH/${BACKPORT_INCLUDES/*\/kernel_addons/kernel_addons}/"
EXTRA_OFED_INCLUDE="-I$OFED_BACKPORT_PATH $EXTRA_OFED_INCLUDE"
else
AC_MSG_RESULT([no])
fi
- O2IBLND=""
- O2IBPATH=$(readlink --canonicalize $O2IBPATH)
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include"
+ EXT_O2IBLND=""
+ EXT_O2IBPATH=$(readlink --canonicalize $EXT_O2IBPATH)
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$EXT_O2IBPATH/include"
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$EXT_O2IBPATH/include/uapi"
+ EXTRA_CHECK_INCLUDE="$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE"
LB_CHECK_COMPILE([whether to enable OpenIB gen2 support],
openib_gen2_support, [
- #ifdef HAVE_COMPAT_RDMA
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
#include <linux/compat-2.6.h>
#endif
#include <linux/version.h>
#include <rdma/rdma_cm.h>
#include <rdma/ib_cm.h>
#include <rdma/ib_verbs.h>
- #include <rdma/ib_fmr_pool.h>
],[
- struct rdma_cm_id *cm_idi __attribute__ ((unused));
- struct rdma_conn_param conn_param __attribute__ ((unused));
- struct ib_device_attr device_attr __attribute__ ((unused));
- struct ib_qp_attr qp_attr __attribute__ ((unused));
- struct ib_pool_fmr pool_fmr __attribute__ ((unused));
- enum ib_cm_rej_reason rej_reason __attribute__ ((unused));
+ struct rdma_cm_id *cm_idi __attribute__ ((unused));
+ struct rdma_conn_param conn_param __attribute__ ((unused));
+ struct ib_device_attr device_attr __attribute__ ((unused));
+ struct ib_qp_attr qp_attr __attribute__ ((unused));
+ enum ib_cm_rej_reason rej_reason __attribute__ ((unused));
+
rdma_destroy_id(NULL);
],[
- O2IBLND="o2iblnd"
+ EXT_O2IBLND="o2iblnd"
],[
case $ENABLEO2IB in
- "yes") AC_MSG_ERROR([can't compile with OpenIB gen2 headers]) ;;
- "withpath") AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]) ;;
+ "yes") AC_MSG_ERROR([cannot compile with OpenIB gen2 headers]) ;;
+ "withpath") AC_MSG_ERROR([cannot compile with OpenIB gen2 headers under $EXT_O2IBPATH]) ;;
*) AC_MSG_ERROR([internal error]) ;;
esac
])
- # we know at this point that the found OFED source is good
- O2IB_SYMVER=""
- if test $ENABLEO2IB = "withpath" -o "x$OFED" = "xyes" ; then
- # OFED default rpm not handle sles10 Modules.symvers name
- for name in Module.symvers Modules.symvers; do
- if test -f $O2IBPATH/$name; then
- O2IB_SYMVER=$name;
- break;
- fi
- done
- if test -n "$O2IB_SYMVER"; then
- AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to Symbol Path])
- EXTRA_SYMBOLS="$EXTRA_SYMBOLS $O2IBPATH/$O2IB_SYMVER"
- AC_SUBST(EXTRA_SYMBOLS)
+ # we know that the found external OFED source+headers are good
+ EXT_O2IB_SYMBOLS=""
+ CHECK_SYMBOLS=""
+ if test -f $EXT_O2IBPATH/Module.symvers ; then
+ CHECK_SYMBOLS=$EXT_O2IBPATH/Module.symvers
+ fi
+ if test -n "$CHECK_SYMBOLS"; then
+ if test ! "$CHECK_SYMBOLS" -ef "$LINUX_OBJ/Module.symvers"; then
+ AC_MSG_NOTICE([adding $CHECK_SYMBOLS to external o2ib symbols])
+ EXT_O2IB_SYMBOLS="${CHECK_SYMBOLS}"
else
- AC_MSG_ERROR([an external source tree was, either specified or detected, for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
+ EXTERNAL_KO2IBLND="no"
fi
+ elif test "x$EXTERNAL_KO2IBLND" != "xno" ; then
+ AC_MSG_WARN([
+ * Module.symvers for external o2iblnd was not found.
+ * Expected: $EXT_O2IBPATH/Module.symvers
+ * ko2iblnd.ko for external OFED will not be built.
+ ])
+ EXTERNAL_KO2IBLND="no"
fi
fi
-])
-AC_SUBST(EXTRA_OFED_INCLUDE)
-AC_SUBST(O2IBLND)
-AC_SUBST(O2IBPATHS)
-AC_SUBST(ENABLEO2IB)
-# In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
-AS_IF([test $ENABLEO2IB != "no"], [
- LB_CHECK_COMPILE([if 'rdma_create_id' wants four args],
- rdma_create_id_4args, [
- #ifdef HAVE_COMPAT_RDMA
+ # we suspect that the found in-kernel OFED source+headers are good
+ # the above compile test *could* be repeated with in-kernel paths ...
+ INT_O2IB_SYMBOLS=""
+ CHECK_SYMBOLS=""
+ if test -f $INT_O2IBPATH/Module.symvers; then
+ CHECK_SYMBOLS=$INT_O2IBPATH/Module.symvers
+ elif test "x$SUSE_KERNEL" = "xyes"; then
+ CHECK_SYMBOLS=$(find ${INT_O2IBPATH}* -name Module.symvers)
+ # Select only the current 'flavor' if there is more than 1
+ NUM_AVAIL=$(find ${INT_O2IBPATH}* -name Module.symvers | wc -l)
+ if test ${NUM_AVAIL} -gt 1; then
+ PREFER=$(basename ${LINUX_OBJ})
+ for F in $(find ${O2IBPATH}-obj -name Module.symvers)
+ do
+ maybe=$(echo $F | grep "/${PREFER}")
+ if test "x$maybe" != "x"; then
+ CHECK_SYMBOLS=$F
+ fi
+ done
+ fi
+ elif test -f $LINUX_OBJ/Module.symvers; then
+ # Debian symvers is in the arch tree
+ CHECK_SYMBOLS=$LINUX_OBJ/Module.symvers
+ fi
+
+ if test -n "$CHECK_SYMBOLS"; then
+ if test ! "$CHECK_SYMBOLS" -ef "$LINUX_OBJ/Module.symvers"; then
+ AC_MSG_NOTICE([adding $CHECK_SYMBOLS to o2ib in-kernel symbols])
+ INT_O2IB_SYMBOLS="${CHECK_SYMBOLS}"
+ fi
+ else
+ AC_MSG_WARN([Module.symvers for in-kernel o2iblnd was not found, in-kernel ofed will not be built])
+ BUILT_IN_KO2IBLND="no"
+ fi
+
+ if test "x$EXTERNAL_KO2IBLND" = "xno" -a "x$BUILT_IN_KO2IBLND" = "xno" ; then
+ AC_MSG_ERROR([No o2iblnd can be built])
+ elif test "x$ENABLE_MULTIPLE_LNDS" = "xno" -a \
+ "x$EXTERNAL_KO2IBLND" != "xno" -a "x$BUILT_IN_KO2IBLND" != "xno"; then
+ AC_MSG_WARN([
+NOTE: --enable-multiple-lnds is needed to enable both o2iblnd drivers.
+* Disabling in-kernel o2iblnd in favor of external o2iblnd driver.
+* There can be only one in this configuration
+ ])
+ BUILT_IN_KO2IBLND="no"
+ fi
+
+ LB_CHECK_COMPILE([if Linux kernel has kthread_worker],
+ linux_kthread_worker, [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
#include <linux/compat-2.6.h>
#endif
- #include <rdma/rdma_cm.h>
+ #include <linux/kthread.h>
],[
- rdma_create_id(NULL, NULL, 0, 0);
+ struct kthread_work *kth_wrk = NULL;
+ flush_kthread_work(kth_wrk);
],[
- AC_DEFINE(HAVE_RDMA_CREATE_ID_4ARG, 1,
- [rdma_create_id wants 4 args])
+ AC_DEFINE(HAVE_KTHREAD_WORK, 1, [kthread_worker found])
+ if test -z "$COMPAT_AUTOCONF"; then
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_IS_KTHREAD"
+ fi
])
+ EXTRA_CHECK_INCLUDE=""
])
+AC_SUBST(EXTRA_OFED_CONFIG)
+AC_SUBST(EXTRA_OFED_INCLUDE)
+AC_SUBST(EXT_O2IBLND)
+AC_SUBST(EXT_O2IB_SYMBOLS)
+AC_SUBST(INT_O2IB_SYMBOLS)
+
+# Passed down to deb packaging via autoMakefile.am
+AC_SUBST(EXT_O2IBPATH)
+AC_SUBST(ENABLEO2IB)
+AC_SUBST(ENABLE_MULTIPLE_LNDS)
+
+AS_IF([test $ENABLEO2IB != "no"], [
+ EXTRA_CHECK_INCLUDE="$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE"
+ if test ! $EXT_O2IBPATH -ef $LINUX_OBJ; then
+ EXTERNAL_KO2IBLND="yes"
+ fi
+
+ # In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
+ AC_DEFUN([LN_SRC_O2IB_RDMA_CREATE_ID_4A], [
+ LB2_OFED_TEST_SRC([rdma_create_id_4args], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/rdma_cm.h>
+ ],[
+ rdma_create_id(NULL, NULL, 0, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_RDMA_CREATE_ID_4A], [
+ LB2_OFED_TEST_RESULTS(
+ ['rdma_create_id' wants four args],
+ [rdma_create_id_4args],
+ [HAVE_OFED_RDMA_CREATE_ID_4ARG])
+ ])
+
+ # 4.4 added network namespace parameter for rdma_create_id()
+ AC_DEFUN([LN_SRC_O2IB_RDMA_CREATE_ID_5A], [
+ LB2_OFED_TEST_SRC([rdma_create_id_5args], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/rdma_cm.h>
+ ],[
+ rdma_create_id(NULL, NULL, NULL, 0, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_RDMA_CREATE_ID_5A], [
+ LB2_OFED_TEST_RESULTS(
+ ['rdma_create_id' wants five args],
+ [rdma_create_id_5args],
+ [HAVE_OFED_RDMA_CREATE_ID_5ARG])
+ ])
+
+ # 4.2 introduced struct ib_cq_init_attr which is used
+ # by ib_create_cq(). Note some OFED stacks only keep
+ # their headers in sync with latest kernels but not
+ # the functionality which means for infiniband testing
+ # we need to always test functionality testings.
+ AC_DEFUN([LN_SRC_O2IB_IB_CQ_INIT_ATTR], [
+ LB2_OFED_TEST_SRC([ib_cq_init_attr], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ struct ib_cq_init_attr cq_attr;
+
+ ib_create_cq(NULL, NULL, NULL, NULL, &cq_attr);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_CQ_INIT_ATTR], [
+ LB2_OFED_TEST_RESULTS(
+ ['struct ib_cq_init_attr' is used by ib_create_cq],
+ [ib_cq_init_attr],
+ [HAVE_OFED_IB_CQ_INIT_ATTR])
+ ])
+
+ # 4.3 removed ib_alloc_fast_reg_mr()
+ AC_DEFUN([LN_SRC_O2IB_IB_ALLOC_FAST_REG_MR], [
+ LB2_OFED_TEST_SRC([ib_alloc_fast_reg_mr], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_alloc_fast_reg_mr(NULL, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_ALLOC_FAST_REG_MR], [
+ LB2_OFED_TEST_RESULTS(
+ ['ib_alloc_fast_reg_mr' exists],
+ [ib_alloc_fast_reg_mr],
+ [HAVE_OFED_IB_ALLOC_FAST_REG_MR])
+ ])
+
+ # 4.9 must stop using ib_get_dma_mr and the global MR
+ # We then have to use FMR/Fastreg for all RDMA.
+ AC_DEFUN([LN_SRC_O2IB_IB_GET_DMA_MR], [
+ LB2_OFED_TEST_SRC([ib_get_dma_mr], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_get_dma_mr(NULL, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_GET_DMA_MR], [
+ LB2_OFED_TEST_RESULTS(
+ ['ib_get_dma_mr' exists],
+ [ib_get_dma_mr],
+ [HAVE_OFED_IB_GET_DMA_MR])
+ ])
+
+ # In v4.4 Linux kernel,
+ # commit e622f2f4ad2142d2a613a57fb85f8cf737935ef5
+ # split up struct ib_send_wr so that all non-trivial verbs
+ # use their own structure which embedds struct ib_send_wr.
+ AC_DEFUN([LN_SRC_O2IB_IB_RDMA_WR], [
+ LB2_OFED_TEST_SRC([ib_rdma_wr], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ const struct ib_rdma_wr *wr __attribute__ ((unused));
+
+ wr = rdma_wr(NULL);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_RDMA_WR], [
+ LB2_OFED_TEST_RESULTS(
+ ['struct ib_rdma_wr' is defined],
+ [ib_rdma_wr],
+ [HAVE_OFED_IB_RDMA_WR])
+ ])
+
+ # new fast registration API introduced in 4.4
+ AC_DEFUN([LN_SRC_O2IB_IB_MAP_MR_SG_4A], [
+ LB2_OFED_TEST_SRC([ib_map_mr_sg_4args], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_map_mr_sg(NULL, NULL, 0, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ # new fast registration API introduced in 4.4
+ AC_DEFUN([LN_O2IB_IB_MAP_MR_SG_4A], [
+ LB2_OFED_TEST_RESULTS(
+ ['ib_map_mr_sg' with 4 args exists],
+ [ib_map_mr_sg_4args],
+ [HAVE_OFED_IB_MAP_MR_SG])
+ ])
+
+ # ib_map_mr_sg changes from 4 to 5 args (adding sg_offset_p)
+ # in kernel 4.7 (and RHEL 7.3)
+ AC_DEFUN([LN_SRC_O2IB_IB_MAP_MR_SG_5A], [
+ LB2_OFED_TEST_SRC([ib_map_mr_sg_5args], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_map_mr_sg(NULL, NULL, 0, NULL, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_MAP_MR_SG_5A], [
+ LB2_OFED_TEST_RESULTS(
+ [struct ib_reg_wr exists],
+ [ib_map_mr_sg_5args],
+ [HAVE_OFED_IB_MAP_MR_SG])
+ LB2_OFED_TEST_RESULTS(
+ ['ib_map_mr_sg()' with 5 args exists],
+ [ib_map_mr_sg_5args],
+ [HAVE_OFED_IB_MAP_MR_SG_5ARGS])
+ ])
+
+ # ib_query_device() removed in 4.5
+ AC_DEFUN([LN_SRC_O2IB_IB_DEVICE_ATTRS], [
+ LB2_OFED_TEST_SRC([ib_device_attrs], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ struct ib_device dev;
+ struct ib_device_attr dev_attr = {};
+ dev.attrs = dev_attr;
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_DEVICE_ATTRS], [
+ LB2_OFED_TEST_RESULTS(
+ ['struct ib_device' has member 'attrs'],
+ [ib_device_attrs],
+ [HAVE_OFED_IB_DEVICE_ATTRS])
+ ])
+
+ # A flags argument was added to ib_alloc_pd() in Linux 4.9,
+ # commit ed082d36a7b2c27d1cda55fdfb28af18040c4a89
+ AC_DEFUN([LN_SRC_O2IB_IB_ALLOC_PD], [
+ LB2_OFED_TEST_SRC([ib_alloc_pd], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_alloc_pd(NULL, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_ALLOC_PD], [
+ LB2_OFED_TEST_RESULTS(
+ [2arg 'ib_alloc_pd' exists],
+ [ib_alloc_pd],
+ [HAVE_OFED_IB_ALLOC_PD_2ARGS])
+ ])
+
+ AC_DEFUN([LN_SRC_O2IB_IB_INC_RKEY], [
+ LB2_OFED_TEST_SRC([ib_inc_rkey], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ (void)ib_inc_rkey(0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_INC_RKEY], [
+ LB2_OFED_TEST_RESULTS(
+ [function 'ib_inc_rkey' is defined],
+ [ib_inc_rkey],
+ [HAVE_OFED_IB_INC_RKEY])
+ ])
+
+ # In MOFED 4.6, the second and third parameters for
+ # ib_post_send() and ib_post_recv() are declared with
+ # 'const'.
+ AC_DEFUN([LN_SRC_O2IB_IB_POST_SEND_CONST], [
+ LB2_OFED_TEST_SRC([ib_post_send_recv_const], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_post_send(NULL, (const struct ib_send_wr *)NULL,
+ (const struct ib_send_wr **)NULL);
+ ],[-Werror],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_POST_SEND_CONST], [
+ LB2_OFED_TEST_RESULTS(
+ ['ib_post_send() and ib_post_recv()' have const parameters],
+ [ib_post_send_recv_const],
+ [HAVE_OFED_IB_POST_SEND_RECV_CONST])
+ ])
+
+ # MOFED 5.5 fails with:
+ # ERROR: "ib_dma_virt_map_sg" [.../ko2iblnd.ko] undefined!
+ # See if we have a broken ib_dma_map_sg()
+ AC_DEFUN([LN_SRC_SANE_IB_DMA_MAP_SG], [
+ LB2_OFED_TEST_SRC([sane_ib_dma_map_sg], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_dma_map_sg((struct ib_device *)NULL,
+ (struct scatterlist *)NULL, 1, 0);
+ ],[-Werror],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_SANE_IB_DMA_MAP_SG], [
+ LB2_OFED_TEST_RESULTS(
+ [if ib_dma_map_sg() is sane],
+ [sane_ib_dma_map_sg],
+ [HAVE_OFED_IB_DMA_MAP_SG_SANE],[module])
+ ])
+
+ #
+ # LN_IB_DEVICE_OPS_EXISTS
+ #
+ # kernel 5.0 commit 521ed0d92ab0db3edd17a5f4716b7f698f4fce61
+ # RDMA/core: Introduce ib_device_ops
+ # ... introduces the ib_device_ops structure that defines all the
+ # InfiniBand device operations in one place ...
+ #
+ AC_DEFUN([LN_SRC_O2IB_IB_DEVICE_OPS_EXISTS], [
+ LB2_OFED_TEST_SRC([ib_device_ops_test], [
+ #include <rdma/ib_verbs.h>
+ ],[
+ int x = offsetof(struct ib_device_ops, unmap_fmr);
+ x = x;
+ (void)x;
+ ],[-Werror],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_DEVICE_OPS_EXISTS], [
+ LB2_OFED_TEST_RESULTS(
+ [struct ib_device_ops is defined],
+ [ib_device_ops_test],
+ [HAVE_OFED_IB_DEVICE_OPS])
+ ]) # LN_IB_DEVICE_OPS_EXISTS
+
+ #
+ # LN_O2IB_IB_SG_DMA_ADDRESS_EXISTS
+ #
+ # kernel 5.1 commit a163afc88556e099271a7b423295bc5176fcecce
+ # IB/core: Remove ib_sg_dma_address() and ib_sg_dma_len()
+ # ... when dma_ops existed (3.6) ib_sg_dma_address() was not trivial ...
+ #
+ AC_DEFUN([LN_SRC_O2IB_IB_SG_DMA_ADDRESS_EXISTS], [
+ LB2_OFED_TEST_SRC([ib_sg_dma_address_test], [
+ #include <rdma/ib_verbs.h>
+ ],[
+ u64 x = ib_sg_dma_address(NULL, NULL);
+ x = x;
+ (void)x;
+ ],[-Werror],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_SG_DMA_ADDRESS_EXISTS], [
+ LB2_OFED_TEST_RESULTS(
+ [ib_sg_dma_address wrapper exists],
+ [ib_sg_dma_address_test],
+ [HAVE_OFED_IB_SG_DMA_ADDRESS])
+ ]) # LN_O2IB_IB_SG_DMA_ADDRESS_EXISTS
+
+ #
+ # LN_O2IB_RDMA_REJECT
+ #
+ # A reason argument was added to rdma_reject() in Linux 5.8,
+ # commit 8094ba0ace7f6cd1e31ea8b151fba3594cadfa9a
+ AC_DEFUN([LN_SRC_O2IB_RDMA_REJECT], [
+ LB2_OFED_TEST_SRC([rdma_reject], [
+ #ifdef HAVE_OFED_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ #include <rdma/ib_cm.h>
+ #include <rdma/rdma_cm.h>
+ ],[
+ rdma_reject(NULL, NULL, 0, 0);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_RDMA_REJECT], [
+ LB2_OFED_TEST_RESULTS(
+ [4arg 'rdma_reject' exists],
+ [rdma_reject],
+ [HAVE_OFED_RDMA_REJECT_4ARGS])
+ ]) # LN_O2IB_RDMA_REJECT
+
+ #
+ # LN_O2IB_IB_FMR
+ #
+ # The FMR pool API was removed in Linux 5.8,
+ # commit 4e373d5417ecbb4f438a8500f0379a2fc29c2643
+ AC_DEFUN([LN_SRC_O2IB_IB_FMR], [
+ LB2_OFED_TEST_SRC([ib_fmr], [
+ #include <rdma/ib_verbs.h>
+ ],[
+ struct ib_fmr fmr = {};
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_IB_FMR], [
+ LB2_OFED_TEST_RESULTS(
+ [FMR pools API available],
+ [ib_fmr],
+ [HAVE_OFED_FMR_POOL_API])
+ ]) # LN_O2IB_IB_FMR
+
+ #
+ # LN_O2IB_RDMA_CONNECT_LOCKED
+ #
+ # rdma_connect_locked() was added in Linux 5.10,
+ # commit 071ba4cc559de47160761b9500b72e8fa09d923d
+ # and in MOFED-5.2-2. rdma_connect_locked() must
+ # be called instead of rdma_connect() in
+ # RDMA_CM_EVENT_ROUTE_RESOLVED handler.
+ AC_DEFUN([LN_SRC_O2IB_RDMA_CONNECT_LOCKED], [
+ LB2_OFED_TEST_SRC([rdma_connect_locked], [
+ #include <rdma/rdma_cm.h>
+ ],[
+ rdma_connect_locked(NULL, NULL);
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+ ])
+ AC_DEFUN([LN_O2IB_RDMA_CONNECT_LOCKED], [
+ LB2_OFED_TEST_RESULTS(
+ ['rdma_connect_locked' exists],
+ [rdma_connect_locked],
+ [HAVE_OFED_RDMA_CONNECT_LOCKED])
+ ]) # LN_O2IB_RDMA_CONNECT_LOCKED
+
+ EXTRA_CHECK_INCLUDE=""
+
+ AC_DEFUN([LN_CONFIG_O2IB_SRC], [
+ LN_SRC_O2IB_RDMA_CREATE_ID_4A
+ LN_SRC_O2IB_RDMA_CREATE_ID_5A
+ LN_SRC_O2IB_IB_CQ_INIT_ATTR
+ LN_SRC_O2IB_IB_ALLOC_FAST_REG_MR
+ LN_SRC_O2IB_IB_GET_DMA_MR
+ LN_SRC_O2IB_IB_RDMA_WR
+ LN_SRC_O2IB_IB_MAP_MR_SG_4A
+ LN_SRC_O2IB_IB_MAP_MR_SG_5A
+ LN_SRC_O2IB_IB_DEVICE_ATTRS
+ LN_SRC_O2IB_IB_ALLOC_PD
+ LN_SRC_O2IB_IB_INC_RKEY
+ LN_SRC_O2IB_IB_POST_SEND_CONST
+ LN_SRC_SANE_IB_DMA_MAP_SG
+ LN_SRC_O2IB_IB_DEVICE_OPS_EXISTS
+ LN_SRC_O2IB_IB_SG_DMA_ADDRESS_EXISTS
+ LN_SRC_O2IB_RDMA_REJECT
+ LN_SRC_O2IB_IB_FMR
+ LN_SRC_O2IB_RDMA_CONNECT_LOCKED
+ ])
+ AC_DEFUN([LN_CONFIG_O2IB_RESULTS], [
+ LN_O2IB_RDMA_CREATE_ID_4A
+ LN_O2IB_RDMA_CREATE_ID_5A
+ LN_O2IB_IB_CQ_INIT_ATTR
+ LN_O2IB_IB_ALLOC_FAST_REG_MR
+ LN_O2IB_IB_GET_DMA_MR
+ LN_O2IB_IB_RDMA_WR
+ LN_O2IB_IB_MAP_MR_SG_4A
+ LN_O2IB_IB_MAP_MR_SG_5A
+ LN_O2IB_IB_DEVICE_ATTRS
+ LN_O2IB_IB_ALLOC_PD
+ LN_O2IB_IB_INC_RKEY
+ LN_O2IB_IB_POST_SEND_CONST
+ LN_SANE_IB_DMA_MAP_SG
+ LN_O2IB_IB_DEVICE_OPS_EXISTS
+ LN_O2IB_IB_SG_DMA_ADDRESS_EXISTS
+ LN_O2IB_RDMA_REJECT
+ LN_O2IB_IB_FMR
+ LN_O2IB_RDMA_CONNECT_LOCKED
+ ])
+]) # ENABLEO2IB != "no"
]) # LN_CONFIG_O2IB
#
AC_DEFUN([LN_CONFIG_GNILND], [
AC_MSG_CHECKING([whether to enable GNI lnd])
AC_ARG_ENABLE([gni],
- AC_HELP_STRING([--enable-gni],
+ AS_HELP_STRING([--enable-gni],
[enable GNI lnd]),
[], [enable_gni="no"])
AC_MSG_RESULT([$enable_gni])
],[
GNILND="gnilnd"
],[
- AC_MSG_ERROR([can't compile gnilnd with given GNICPPFLAGS: $GNICPPFLAGS])
+ AC_MSG_ERROR([cannot compile gnilnd with given GNICPPFLAGS: $GNICPPFLAGS])
])
# at this point, we have gnilnd basic support,
# now check for extra features
GNICPPFLAGS="$GNICPPFLAGS -DGNILND_USE_RCA=1"
])
EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
+
+ AC_SUBST(ENABLE_GNI, yes)
+], [
+ AC_SUBST(ENABLE_GNI, no)
])
AC_SUBST(GNICPPFLAGS)
AC_SUBST(GNILND)
]) # LN_CONFIG_GNILND
#
-# LN_CONFIG_SK_SLEEP
+# LN_CONFIG_KFILND
#
-# 2.6.35 kernel has sk_sleep function
+# check whether to use the kfabric Network Interface lnd
#
-AC_DEFUN([LN_CONFIG_SK_SLEEP], [
-LB_CHECK_COMPILE([if Linux kernel has 'sk_sleep'],
-sk_sleep, [
- #ifdef HAVE_COMPAT_RDMA
- #include <linux/compat-2.6.h>
- #endif
- #include <net/sock.h>
-],[
- sk_sleep(NULL);
-],[
- AC_DEFINE(HAVE_SK_SLEEP, 1,
- [kernel has sk_sleep])
-])
-]) # LN_CONFIG_SK_SLEEP
+AC_DEFUN([LN_CONFIG_KFILND], [
+AC_ARG_WITH([kfi],
+ AS_HELP_STRING([--with-kfi=<path>], [Kfabric build path for kfilnd]),
+ [
+ AC_CHECK_FILE([$with_kfi/Module.symvers],
+ [
+ # KFICPPFLAGS was set in spec file
+ KFICPPFLAGS="-I$with_kfi/include"
+ EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="$EXTRA_KCFLAGS $KFICPPFLAGS"
+ KBUILD_EXTRA_SYMBOLS="$KBUILD_EXTRA_SYMBOLS $with_kfi/Module.symvers"
+ LB_CHECK_COMPILE([if kfabric headers are present], KFI_header,
+ [
+ #include <kfi_endpoint.h>
+ ],[
+ struct kfi_info *hints;
+ hints = kfi_allocinfo();
+ ],[
+ KFILND="kfilnd"
+ AC_MSG_NOTICE([adding $with_kfi/Module.symvers to Symbol Path])
+ EXTRA_SYMBOLS="$EXTRA_SYMBOLS $with_kfi/Module.symvers"
+ ],[
+ AC_MSG_ERROR([cannot compile kfilnd with given KFICPPFLAGS: $KFICPPFLAGS])
+ ])
+ ],[
+ AC_MSG_ERROR(["$with_kfi/Module.symvers does not exist"])
+ ])
+ ],[])
+AC_DEFINE(HAVE_KFILND, 1, [support kfabric LND])
+AC_SUBST(KFICPPFLAGS)
+AC_SUBST(KFILND)
+AC_SUBST(EXTRA_SYMBOLS)
+]) # LN_CONFIG_KFILND
#
-# LN_CONFIG_TCP_SENDPAGE
+# LN_CONFIG_SOCK_CREATE_KERN
#
-# 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
+# 4.x sock_create_kern() added a first parameter as 'struct net *'
+# instead of int.
#
-AC_DEFUN([LN_CONFIG_TCP_SENDPAGE], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'tcp_sendpage' first parameter is socket],
-tcp_sendpage_socket, [
- #include <linux/net.h>
- #include <net/tcp.h>
-],[
- tcp_sendpage((struct socket*)0, NULL, 0, 0, 0);
-],[
- AC_DEFINE(HAVE_TCP_SENDPAGE_USE_SOCKET, 1,
- [tcp_sendpage use socket as first parameter])
+AC_DEFUN([LN_SRC_CONFIG_SOCK_CREATE_KERN], [
+ LB2_LINUX_TEST_SRC([sock_create_kern_net], [
+ #include <linux/net.h>
+ #include <net/net_namespace.h>
+ ],[
+ sock_create_kern((struct net*)0, 0, 0, 0, NULL);
+ ],[-Werror])
])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LN_CONFIG_TCP_SENDPAGE
+AC_DEFUN([LN_CONFIG_SOCK_CREATE_KERN], [
+ LB2_MSG_LINUX_TEST_RESULT([if 'sock_create_kern' first parameter is net],
+ [sock_create_kern_net], [
+ AC_DEFINE(HAVE_SOCK_CREATE_KERN_USE_NET, 1,
+ [sock_create_kern use net as first parameter])
+ ])
+]) # LN_CONFIG_SOCK_CREATE_KERN
#
# LN_CONFIG_SK_DATA_READY
#
# 3.15 for struct sock the *sk_data_ready() field only takes one argument now
#
+AC_DEFUN([LN_SRC_CONFIG_SK_DATA_READY], [
+ LB2_LINUX_TEST_SRC([sk_data_ready], [
+ #include <linux/net.h>
+ #include <net/sock.h>
+ ],[
+ ((struct sock *)0)->sk_data_ready(NULL);
+ ],[-Werror])
+])
AC_DEFUN([LN_CONFIG_SK_DATA_READY], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'sk_data_ready' takes only one argument],
-sk_data_ready, [
- #include <linux/net.h>
- #include <net/sock.h>
-],[
- ((struct sock *)0)->sk_data_ready(NULL);
-],[
+ LB2_MSG_LINUX_TEST_RESULT([if 'sk_data_ready' takes only one argument],
+ [sk_data_ready], [
AC_DEFINE(HAVE_SK_DATA_READY_ONE_ARG, 1,
[sk_data_ready uses only one argument])
-])
-EXTRA_KCFLAGS="$tmp_flags"
+ ])
]) # LN_CONFIG_SK_DATA_READY
#
+# LN_ETHTOOL_LINK_SETTINGS
+#
+# ethtool_link_settings was added in Linux 4.6
+#
+AC_DEFUN([LN_SRC_ETHTOOL_LINK_SETTINGS], [
+ LB2_LINUX_TEST_SRC([ethtool_link_settings], [
+ #include <linux/ethtool.h>
+ ],[
+ struct ethtool_link_ksettings cmd;
+ ],[],[$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE])
+])
+AC_DEFUN([LN_ETHTOOL_LINK_SETTINGS], [
+ LB2_MSG_LINUX_TEST_RESULT([if 'ethtool_link_settings' exists],
+ [ethtool_link_settings], [
+ AC_DEFINE(HAVE_ETHTOOL_LINK_SETTINGS, 1,
+ [ethtool_link_settings is defined])
+ ])
+]) # LN_ETHTOOL_LINK_SETTINGS
+
+#
+# LN_HAVE_HYPERVISOR_IS_TYPE
+#
+# 4.14 commit 79cc74155218316b9a5d28577c7077b2adba8e58
+# x86/paravirt: Provide a way to check for hypervisors
+#
+AC_DEFUN([LN_SRC_HAVE_HYPERVISOR_IS_TYPE], [
+ LB2_LINUX_TEST_SRC([hypervisor_is_type_exists], [
+ #include <asm/hypervisor.h>
+ ],[
+ (void)hypervisor_is_type(X86_HYPER_NATIVE);
+ ],[-Werror])
+])
+AC_DEFUN([LN_HAVE_HYPERVISOR_IS_TYPE], [
+ LB2_MSG_LINUX_TEST_RESULT([if hypervisor_is_type function is available],
+ [hypervisor_is_type_exists], [
+ AC_DEFINE(HAVE_HYPERVISOR_IS_TYPE, 1,
+ [hypervisor_is_type function exists])
+ ])
+]) # LN_HAVE_HYPERVISOR_IS_TYPE
+
+#
+# LN_HAVE_ORACLE_OFED_EXTENSIONS
+#
+# Oracle UEK 5
+#
+AC_DEFUN([LN_SRC_HAVE_ORACLE_OFED_EXTENSIONS], [
+ LB2_LINUX_TEST_SRC([oracle_ofed_ext], [
+ #include <rdma/ib_fmr_pool.h>
+ ],[
+ struct ib_fmr_pool_param param = {
+ .relaxed = 0
+ };
+ (void)param;
+ ])
+])
+AC_DEFUN([LN_HAVE_ORACLE_OFED_EXTENSIONS], [
+ LB2_MSG_LINUX_TEST_RESULT([if Oracle OFED Extensions are enabled],
+ [oracle_ofed_ext], [
+ AC_DEFINE(HAVE_ORACLE_OFED_EXTENSIONS, 1,
+ [if Oracle OFED Extensions are enabled])
+ ])
+]) # LN_HAVE_ORACLE_OFED_EXTENSIONS
+
+#
+# LN_CONFIG_SOCK_GETNAME
+#
+# 4.17 commit 9b2c45d479d0fb8647c9e83359df69162b5fbe5f getname()
+# does not take the length *int argument and returns the length
+#
+AC_DEFUN([LN_SRC_CONFIG_SOCK_GETNAME], [
+ LB2_LINUX_TEST_SRC([kern_sock_getname_2args], [
+ #include <linux/net.h>
+ ],[
+ kernel_getsockname(NULL, NULL);
+ ],[-Werror])
+])
+AC_DEFUN([LN_CONFIG_SOCK_GETNAME], [
+ LB2_MSG_LINUX_TEST_RESULT([if 'getname' has two args],
+ [kern_sock_getname_2args], [
+ AC_DEFINE(HAVE_KERN_SOCK_GETNAME_2ARGS, 1,
+ ['getname' has two args])
+ ])
+]) # LN_CONFIG_SOCK_GETNAME
+
+#
+# LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
+#
+# kernel 5.3 commit ef11db3310e272d3d8dbe8739e0770820dd20e52
+# and kernel 4.18.0-193.el8:
+# added in_dev_for_each_ifa_rtnl and in_dev_for_each_ifa_rcu
+# and removed for_ifa and endfor_ifa.
+# Use the _rntl variant as the current locking is rtnl.
+#
+AC_DEFUN([LN_SRC_HAVE_IN_DEV_FOR_EACH_IFA_RTNL], [
+ LB2_LINUX_TEST_SRC([in_dev_for_each_ifa_rtnl_test], [
+ #include <linux/inetdevice.h>
+ ],[
+ const struct in_ifaddr *ifa = NULL;
+ struct in_device *in_dev = NULL;
+
+ in_dev_for_each_ifa_rtnl(ifa, in_dev) {}
+ ],[-Werror])
+])
+AC_DEFUN([LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL], [
+ LB2_MSG_LINUX_TEST_RESULT([if 'in_dev_for_each_ifa_rtnl' is defined],
+ [in_dev_for_each_ifa_rtnl_test], [
+ AC_DEFINE(HAVE_IN_DEV_FOR_EACH_IFA_RTNL, 1,
+ ['in_dev_for_each_ifa_rtnl' is defined])
+ ])
+]) # LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
+
+#
+# LN_USR_RDMA
+#
+#
+AC_DEFUN([LN_USR_RDMA], [
+AC_MSG_CHECKING([if RDMA_PS_TCP exists])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <rdma/rdma_user_cm.h>
+
+ int main(void) {
+ int x = (int)RDMA_PS_TCP;
+ return x;
+ }
+])],[
+ AC_DEFINE(HAVE_USRSPC_RDMA_PS_TCP, 1,
+ [RDMA_PS_TCP exists])
+])
+]) # LN_USR_RDMA
+
+AC_DEFUN([LN_PROG_LINUX_SRC], [
+ LN_CONFIG_O2IB_SRC
+ # 3.15
+ LN_SRC_CONFIG_SK_DATA_READY
+ # 4.x
+ LN_SRC_CONFIG_SOCK_CREATE_KERN
+ # 4.6
+ LN_SRC_ETHTOOL_LINK_SETTINGS
+ # 4.14
+ LN_SRC_HAVE_HYPERVISOR_IS_TYPE
+ LN_SRC_HAVE_ORACLE_OFED_EXTENSIONS
+ # 4.17
+ LN_SRC_CONFIG_SOCK_GETNAME
+ # 5.3 and 4.18.0-193.el8
+ LN_SRC_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
+])
+
+AC_DEFUN([LN_PROG_LINUX_RESULTS], [
+ LN_CONFIG_O2IB_RESULTS
+ # 3.15
+ LN_CONFIG_SK_DATA_READY
+ # 4.x
+ LN_CONFIG_SOCK_CREATE_KERN
+ # 4.6
+ LN_ETHTOOL_LINK_SETTINGS
+ # 4.14
+ LN_HAVE_HYPERVISOR_IS_TYPE
+ LN_HAVE_ORACLE_OFED_EXTENSIONS
+ # 4.17
+ LN_CONFIG_SOCK_GETNAME
+ # 5.3 and 4.18.0-193.el8
+ LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
+])
+
+#
# LN_PROG_LINUX
#
# LNet linux kernel checks
AC_MSG_NOTICE([LNet kernel checks
==============================================================================])
-LN_CONFIG_AFFINITY
LN_CONFIG_BACKOFF
LN_CONFIG_O2IB
LN_CONFIG_GNILND
-# 2.6.35
-LN_CONFIG_SK_SLEEP
-# 2.6.36
-LN_CONFIG_TCP_SENDPAGE
-# 3.15
-LN_CONFIG_SK_DATA_READY
+LN_CONFIG_KFILND
]) # LN_PROG_LINUX
#
AC_MSG_NOTICE([LNet core checks
==============================================================================])
+AC_ARG_WITH([cuda],
+ AS_HELP_STRING([--with-cuda=path],
+ [Path to the CUDA sources. Set to 'no' to disable.]),
+ [cudapath="$withval"],
+ [cudapath1=`ls -d1 /usr/src/nvidia-*/nvidia/ 2>/dev/null | tail -1`])
+
+AC_ARG_WITH([gds],
+ AS_HELP_STRING([--with-gds=path],
+ [Path to the GDS sources. Set to 'no' to disable.]),
+ [gdspath="$withval"],
+ [gdspath1=`ls -d1 /usr/src/nvidia-fs*/ 2>/dev/null | tail -1`])
+
+AC_MSG_CHECKING([cuda source directory])
+ AS_IF([test -z "${cudapath}"], [
+ AS_IF([test -e "${cudapath1}/nv-p2p.h"], [
+ cudapath=${cudapath1}
+ ], [
+ cudapath="[Not found]"
+ ])
+ ])
+AC_MSG_RESULT([$cudapath])
+
+AC_MSG_CHECKING([gds source directory])
+ AS_IF([test -z "${gdspath}"], [
+ AS_IF([test -e "${gdspath1}/nvfs-dma.h"], [
+ gdspath=${gdspath1}
+ ], [
+ gdspath="[Not found]"
+ ])
+ ])
+AC_MSG_RESULT([$gdspath])
+
+AS_IF([test -e "${cudapath}" && test -e "${gdspath}"],[
+ LB_CHECK_FILE([$cudapath/nv-p2p.h], [
+ AC_MSG_RESULT([CUDA path is $cudapath])
+ [CUDA_PATH=${cudapath}]
+ AC_SUBST(CUDA_PATH)
+ ],[
+ AC_MSG_RESULT([CUDA sources not found: nv-p2p.h does not exist])
+ ])
+
+ LB_CHECK_FILE([$gdspath/nvfs-dma.h], [
+ LB_CHECK_FILE([$gdspath/config-host.h], [
+ AC_MSG_RESULT([GDS path is ${gdspath}])
+ [GDS_PATH=${gdspath}]
+ AC_SUBST(GDS_PATH)
+ AC_DEFINE(WITH_GDS, 1, "GDS build enabled")
+ ], [
+ AC_MSG_RESULT([GDS sources not found: config-host.h does not exist])
+ ])
+ ], [
+ AC_MSG_RESULT([GDS sources not found: nvfs-dma.h does not exist])
+ ])
+],[
+ AC_MSG_WARN([CUDA or GDS sources not found. GDS support disabled])
+])
+
+# lnet/utils/lnetconfig/liblnetconfig_netlink.c
+AS_IF([test "x$PKGCONF" = "x"],
+ [AC_MSG_ERROR([pkg-config package is required to configure Lustre])])
+
+AS_IF([test "x$enable_dist" = xno], [
+ PKG_CHECK_MODULES(LIBNL3, [libnl-genl-3.0 >= 3.1])
+])
+
+AC_CHECK_LIB([nl-3], [nla_get_s32], [
+ AC_DEFINE(HAVE_NLA_GET_S32, 1,
+ [libnl3 supports nla_get_s32])
+ ], [
+])
+
+AC_CHECK_LIB([nl-3], [nla_get_s64], [
+ AC_DEFINE(HAVE_NLA_GET_S64, 1,
+ [libnl3 supports nla_get_s64])
+ ], [
+])
+
+#
+# LN_USR_NLMSGERR
+#
+AC_DEFUN([LN_USR_NLMSGERR], [
+AC_MSG_CHECKING([if 'enum nlmsgerr_attrs' exists])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <linux/netlink.h>
+
+ int main(void) {
+ int x = (int)NLMSGERR_ATTR_MAX;
+ return x;
+ }
+])],[
+ AC_DEFINE(HAVE_USRSPC_NLMSGERR, 1,
+ ['enum nlmsgerr_attrs' exists])
+])
+]) # LN_USR_NLMGSERR
+
# lnet/utils/portals.c
AC_CHECK_HEADERS([netdb.h])
-AC_CHECK_FUNCS([gethostbyname])
# lnet/utils/wirecheck.c
AC_CHECK_FUNCS([strnlen])
AC_MSG_CHECKING([whether to enable 'efence' debugging support])
AC_ARG_ENABLE(efence,
- AC_HELP_STRING([--enable-efence],
+ AS_HELP_STRING([--enable-efence],
[use efence library]),
[], [enable_efence="no"])
AC_MSG_RESULT([$enable_efence])
LIBEFENCE="-lefence"
AC_DEFINE(HAVE_LIBEFENCE, 1,
[libefence support is requested])
+ AC_SUBST(ENABLE_EFENCE, yes)
+], [
+ AC_SUBST(ENABLE_EFENCE, no)
])
AC_SUBST(LIBEFENCE)
-LN_CONFIG_MAX_PAYLOAD
LN_CONFIG_DLC
+LN_USR_RDMA
+LN_USR_NLMSGERR
]) # LN_CONFIGURE
#
# AM_CONDITIONAL defines for lnet
#
AC_DEFUN([LN_CONDITIONALS], [
-AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
-AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
-AM_CONDITIONAL(BUILD_DLC, test x$USE_DLC = "xyes")
+AM_CONDITIONAL(EXTERNAL_KO2IBLND, test x$EXTERNAL_KO2IBLND = "xyes")
+AM_CONDITIONAL(BUILT_IN_KO2IBLND, test x$BUILT_IN_KO2IBLND = "xyes")
+AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
+AM_CONDITIONAL(BUILD_KFILND, test x$KFILND = "xkfilnd")
]) # LN_CONDITIONALS
#
lnet/doc/Makefile
lnet/include/Makefile
lnet/include/lnet/Makefile
+lnet/include/uapi/linux/lnet/Makefile
lnet/klnds/Makefile
lnet/klnds/autoMakefile
lnet/klnds/o2iblnd/Makefile
lnet/klnds/o2iblnd/autoMakefile
+lnet/klnds/in-kernel-o2iblnd/Makefile
+lnet/klnds/in-kernel-o2iblnd/autoMakefile
lnet/klnds/gnilnd/Makefile
lnet/klnds/gnilnd/autoMakefile
lnet/klnds/socklnd/Makefile
lnet/klnds/socklnd/autoMakefile
+lnet/klnds/kfilnd/Makefile
+lnet/klnds/kfilnd/autoMakefile
lnet/lnet/Makefile
lnet/lnet/autoMakefile
lnet/selftest/Makefile