#
-# LN_CONFIG_MAX_PAYLOAD
-#
-# configure maximum payload
-#
-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, $CONFIG_LNET_MAX_PAYLOAD,
- [Max LNET payload])
-]) # LN_CONFIG_MAX_PAYLOAD
-
-#
# LN_CHECK_GCC_VERSION
#
# Check compiler version
]) # LN_CHECK_GCC_VERSION
#
-# LN_FUNC_DEV_GET_BY_NAME_2ARG
-#
-AC_DEFUN([LN_FUNC_DEV_GET_BY_NAME_2ARG], [
-LB_CHECK_COMPILE([if 'dev_get_by_name' has two args],
-dev_get_by_name_2args, [
- #include <linux/netdevice.h>
-],[
- dev_get_by_name(NULL, NULL);
-],[
- AC_DEFINE(HAVE_DEV_GET_BY_NAME_2ARG, 1,
- [dev_get_by_name has 2 args])
-])
-]) # LN_FUNC_DEV_GET_BY_NAME_2ARG
-
-#
# LN_CONFIG_AFFINITY
#
# check if cpu affinity is available/wanted
set_cpus_allowed_ptr, [
#include <linux/sched.h>
],[
- struct task_struct *t;
- #if HAVE_CPUMASK_T
- cpumask_t m;
- #else
- unsigned long m;
- #endif
+ struct task_struct *t = NULL;
+ cpumask_t m = { };
+
set_cpus_allowed_ptr(t, &m);
],[
AC_DEFINE(CPU_AFFINITY, 1,
#
# LN_CONFIG_DLC
#
-# Configure dlc if enabled
+# Configure dlc
#
-# if libyaml is set (IE libyaml installed) and enable_dlc = yes then build
-# dlc other wise (IE if libyaml is not set or enable_dlc = no) then don't
-# build dlc.
+# fail to build if libyaml is not installed
#
AC_DEFUN([LN_CONFIG_DLC], [
- AC_CHECK_LIB([yaml], [yaml_parser_initialize],[
- LIBYAML="libyaml"],[
- LIBYAML=""],[-lm])
- AC_MSG_CHECKING([whether to enable dlc])
- AC_ARG_ENABLE([dlc],
- AC_HELP_STRING([--disable-dlc],
- [disable building dlc]),
- [], [enable_dlc="yes"])
- AC_MSG_RESULT([$enable_dlc])
- USE_DLC=""
- AS_IF([test "x$enable_dlc" = xyes],
- [AS_IF([test "x$LIBYAML" = xlibyaml], [
- USE_DLC="yes"
- ], [
- AC_MSG_RESULT([no (libyaml not present)])
- ])
- ])
- AC_SUBST(USE_DLC)
-])
-
-#
-# LN_CONFIG_QUADRICS
-#
-# check if quadrics support is in this kernel
-#
-AC_DEFUN([LN_CONFIG_QUADRICS], [
-AC_MSG_CHECKING([for QsNet sources])
-AC_ARG_WITH([qsnet],
- AC_HELP_STRING([--with-qsnet=path],
- [set path to qsnet source (default=$LINUX)]),
- [QSNET=$with_qsnet], [QSNET=$LINUX])
-AC_MSG_RESULT([$QSNET])
-
-QSWLND=""
-QSWCPPFLAGS=""
-AC_MSG_CHECKING([if quadrics kernel headers are present])
-AS_IF([test -d $QSNET/drivers/net/qsnet], [
- AC_MSG_RESULT([yes])
- QSWLND="qswlnd"
- AC_MSG_CHECKING([for multirail EKC])
- AS_IF([test -f $QSNET/include/elan/epcomms.h], [
- AC_MSG_RESULT([supported])
- QSNET=$(readlink --canonicalize $QSNET)
- QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
- ], [
- AC_MSG_RESULT([not supported])
- AC_MSG_ERROR([Need multirail EKC])
- ])
-
- AS_IF([test x$QSNET = x$LINUX], [
- LB_CHECK_CONFIG([QSNET], [], [
- LB_CHECK_CONFIG([QSNET_MODULE], [], [
- AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
- QSWLND=""
- QSWCPPFLAGS=""
- ])
- ])
- ])
-], [
- AC_MSG_RESULT([no])
-])
-AC_SUBST(QSWLND)
-AC_SUBST(QSWCPPFLAGS)
-]) # LN_CONFIG_QUADRICS
-
-#
-# LN_CONFIG_MX
-#
-AC_DEFUN([LN_CONFIG_MX], [
-# set default
-MXPATH="/opt/mx"
-AC_MSG_CHECKING([whether to enable Myrinet MX support])
-AC_ARG_WITH([mx],
- AC_HELP_STRING([--with-mx=path],
- [build mxlnd against path]),
- [
- case $with_mx in
- yes) ENABLEMX=2 ;;
- no) ENABLEMX=0 ;;
- *) ENABLEMX=3; MXPATH=$with_mx ;;
- esac
- ],[
- ENABLEMX=1
+ 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])
])
-AS_IF([test $ENABLEMX -eq 0], [
- AC_MSG_RESULT([disabled])
-], [test ! \( -f ${MXPATH}/include/myriexpress.h -a \
- -f ${MXPATH}/include/mx_kernel_api.h -a \
- -f ${MXPATH}/include/mx_pin.h \)], [
- AC_MSG_RESULT([no])
- case $ENABLEMX in
- 1) ;;
- 2) AC_MSG_ERROR([Myrinet MX kernel headers not present]) ;;
- 3) AC_MSG_ERROR([bad --with-mx path]) ;;
- *) AC_MSG_ERROR([internal error]) ;;
- esac
-], [
- AC_MSG_RESULT([check])
- MXPATH=$(readlink --canonicalize $MXPATH)
- MXCPPFLAGS="-I$MXPATH/include"
- MXLIBS="-L$MXPATH/lib"
- EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
- LB_CHECK_COMPILE([if have Myrinet MX support],
- myrinet_mx_support, [
- #define MX_KERNEL 1
- #include <mx_extensions.h>
- #include <myriexpress.h>
- ],[
- mx_endpoint_t end;
- mx_status_t status;
- mx_request_t request;
- int result;
- mx_init();
- mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
- mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
- mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
- mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
- return 0;
- ],[
- MXLND="mxlnd"
- ],[
- case $ENABLEMX in
- 1) ;;
- 2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]) ;;
- 3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]) ;;
- *) AC_MSG_ERROR([internal error]) ;;
- esac
- MXCPPFLAGS=""
- MXLIBS=""
- MXLND=""
- ])
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
])
-AC_SUBST(MXCPPFLAGS)
-AC_SUBST(MXLIBS)
-AC_SUBST(MXLND)
-]) # LN_CONFIG_MX
#
# LN_CONFIG_O2IB
#
+# If current OFED installed (assume with "ofed_info") and devel
+# headers are not found, error because we assume OFED infiniband
+# driver needs to be used and we must configure/build with it.
+# Current OFED headers detection mechanism allow for non-standard
+# prefix but relies on "ofed_info" command and on "%prefix/openib"
+# link (both are ok for 1.5.x and 3.x versions), and should work
+# for both source and DKMS builds.
+#
AC_DEFUN([LN_CONFIG_O2IB], [
AC_MSG_CHECKING([whether to use Compat RDMA])
AC_ARG_WITH([o2ib],
- AC_HELP_STRING([--with-o2ib=path],
+ AC_HELP_STRING([--with-o2ib=[yes|no|<path>]],
[build o2iblnd against path]),
- [
- case $with_o2ib in
- yes) O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
- ENABLEO2IB=2
- ;;
- no) ENABLEO2IB=0
- ;;
- *) O2IBPATHS=$with_o2ib
- ENABLEO2IB=3
- ;;
- esac
- ],[
- O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
- ENABLEO2IB=1
- ])
-AS_IF([test $ENABLEO2IB -eq 0], [
+ [], [with_o2ib="yes"])
+
+case $with_o2ib in
+ yes) AS_IF([which ofed_info 2>/dev/null], [
+ AS_IF([test x$uses_dpkg = xyes], [
+ OFED_INFO="ofed_info | awk '{print \[$]2}'"
+ LSPKG="dpkg --listfiles"
+ ], [
+ OFED_INFO="ofed_info"
+ LSPKG="rpm -ql"
+ ])
+ O2IBPATHS=$(eval $OFED_INFO | egrep -w 'mlnx-ofed-kernel-dkms|mlnx-ofa_kernel-devel|compat-rdma-devel|kernel-ib-devel|ofa_kernel-devel' | xargs $LSPKG | grep '\(/openib\|/ofa_kernel/default\|/ofa_kernel\)$' | head -n1)
+ AS_IF([test -z "$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.
+ ])
+ ])
+ 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.
+ ])
+ ])
+ if test -e $O2IBPATHS/${LINUXRELEASE}; then
+ O2IBPATHS=$O2IBPATHS/${LINUXRELEASE}
+ elif test -e $O2IBPATHS/default; then
+ O2IBPATHS=$O2IBPATHS/default
+ fi
+ OFED="yes"
+ ], [
+ O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
+ ])
+ ENABLEO2IB="yes"
+ ;;
+ no) ENABLEO2IB="no"
+ ;;
+ *) O2IBPATHS=$with_o2ib
+ ENABLEO2IB="withpath"
+ OFED="yes"
+ ;;
+esac
+
+AS_IF([test $ENABLEO2IB = "no"], [
AC_MSG_RESULT([no])
], [
o2ib_found=false
-f ${O2IBPATH}/include/rdma/ib_cm.h -a \
-f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
-f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \)], [
- AS_IF([test \( -d ${O2IBPATH}/kernel_patches -a \
- -f ${O2IBPATH}/Makefile \)], [
- AC_MSG_RESULT([no])
- AC_MSG_ERROR([
-
-you appear to be trying to use the OFED distribution's source
-directory (${O2IBPATH}) rather than the "development/headers"
-directory which is likely in ${O2IBPATH%-*}
-])
- ])
o2ib_found=true
break
])
if ! $o2ib_found; then
AC_MSG_RESULT([no])
case $ENABLEO2IB in
- 1) ;;
- 2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]) ;;
- 3) AC_MSG_ERROR([bad --with-o2ib path]) ;;
+ "yes") AC_MSG_ERROR([no OFED nor kernel OpenIB gen2 headers present]) ;;
+ "withpath") AC_MSG_ERROR([bad --with-o2ib path]) ;;
*) AC_MSG_ERROR([internal error]) ;;
esac
else
+ COMPAT_AUTOCONF=""
compatrdma_found=false
if test -f ${O2IBPATH}/include/linux/compat-2.6.h; then
AC_MSG_RESULT([yes])
compatrdma_found=true
AC_DEFINE(HAVE_COMPAT_RDMA, 1, [compat rdma found])
+ EXTRA_OFED_CONFIG="$EXTRA_OFED_CONFIG -include ${O2IBPATH}/include/linux/compat-2.6.h"
+ if test -f "$O2IBPATH/include/linux/compat_autoconf.h"; then
+ COMPAT_AUTOCONF="$O2IBPATH/include/linux/compat_autoconf.h"
+ fi
else
AC_MSG_RESULT([no])
fi
elif test -f "$O2IBPATH/ofed_patch.mk"; then
. "$O2IBPATH/ofed_patch.mk"
fi
- else
+ elif test -z "$COMPAT_AUTOCONF"; then
+ # Depreciated checks
if test "x$RHEL_KERNEL" = xyes; then
- case "$RHEL_KERNEL_VERSION" in
- 2.6.32-358*)
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_4" ;;
- 2.6.32-431*)
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_4 -DCONFIG_COMPAT_RHEL_6_5" ;;
- esac
+ RHEL_MAJOR=$(awk '/ RHEL_MAJOR / { print [$]3 }' $LINUX_OBJ/include/$VERSION_HDIR/version.h)
+ I=$(awk '/ RHEL_MINOR / { print [$]3 }' $LINUX_OBJ/include/$VERSION_HDIR/version.h)
+ while test "$I" -ge 0; do
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_${RHEL_MAJOR}_$I"
+ I=$(($I-1))
+ done
elif test "x$SUSE_KERNEL" = xyes; then
SP=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_SLES_11_$SP"
fi
fi
+
AC_MSG_CHECKING([whether to use any OFED backport headers])
if test -n "$BACKPORT_INCLUDES"; then
AC_MSG_RESULT([yes])
O2IBLND=""
O2IBPATH=$(readlink --canonicalize $O2IBPATH)
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include"
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include -I$O2IBPATH/include/uapi"
+ EXTRA_CHECK_INCLUDE="$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE"
LB_CHECK_COMPILE([whether to enable OpenIB gen2 support],
openib_gen2_support, [
- #include <linux/version.h>
- #include <linux/pci.h>
- #include <linux/gfp.h>
#ifdef HAVE_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 <linux/pci.h>
+ #include <linux/gfp.h>
#include <rdma/rdma_cm.h>
#include <rdma/ib_cm.h>
#include <rdma/ib_verbs.h>
O2IBLND="o2iblnd"
],[
case $ENABLEO2IB in
- 1) ;;
- 2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]) ;;
- 3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]) ;;
+ "yes") AC_MSG_ERROR([can't compile with OpenIB gen2 headers]) ;;
+ "withpath") AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]) ;;
*) AC_MSG_ERROR([internal error]) ;;
esac
])
# we know at this point that the found OFED source is good
O2IB_SYMVER=""
- if test $ENABLEO2IB -eq 3 ; 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 $ENABLEO2IB = "withpath" -o "x$OFED" = "xyes" ; then
+ if test -f $O2IBPATH/Module.symvers; then
+ O2IB_SYMVER=$O2IBPATH/Module.symvers;
+ break;
+ fi
if test -n "$O2IB_SYMVER"; then
- AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to $PWD/$SYMVERFILE])
- # strip out the existing symbols versions first
- if test -f $PWD/$SYMVERFILE; then
- egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
- else
- touch $PWD/$SYMVERFILE.old
- fi
- cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
- rm $PWD/$SYMVERFILE.old
+ AC_MSG_NOTICE([adding $O2IB_SYMVER to Symbol Path])
+ EXTRA_SYMBOLS="$EXTRA_SYMBOLS $O2IB_SYMVER"
+ AC_SUBST(EXTRA_SYMBOLS)
else
- AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
+ AC_MSG_ERROR([an external source tree was, either specified or detected, for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
fi
fi
- LN_CONFIG_OFED_SPEC
+ LB_CHECK_COMPILE([if Linux kernel has kthread_worker],
+ linux_kthread_worker, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <linux/kthread.h>
+ ],[
+ struct kthread_work *kth_wrk = NULL;
+ flush_kthread_work(kth_wrk);
+ ],[
+ AC_DEFINE(HAVE_KTHREAD_WORK, 1, [kthread_worker found])
+ if test -z "$COMPAT_AUTOCONF"; then
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_IS_KTHREAD"
+ fi
+ ])
+ EXTRA_CHECK_INCLUDE=""
fi
])
+AC_SUBST(EXTRA_OFED_CONFIG)
AC_SUBST(EXTRA_OFED_INCLUDE)
AC_SUBST(O2IBLND)
+AC_SUBST(O2IBPATH)
+AC_SUBST(ENABLEO2IB)
-# In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
-AS_IF([test $ENABLEO2IB -ne 0], [
+AS_IF([test $ENABLEO2IB != "no"], [
+ EXTRA_CHECK_INCLUDE="$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE"
+
+ # In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
LB_CHECK_COMPILE([if 'rdma_create_id' wants four args],
rdma_create_id_4args, [
#ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
#include <linux/compat-2.6.h>
#endif
#include <rdma/rdma_cm.h>
AC_DEFINE(HAVE_RDMA_CREATE_ID_4ARG, 1,
[rdma_create_id wants 4 args])
])
-])
-]) # LN_CONFIG_O2IB
-#
-# LN_CONFIG_RALND
-#
-# check whether to use the RapidArray lnd
-#
-AC_DEFUN([LN_CONFIG_RALND], [
-RALND=""
-RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
-EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
-LB_CHECK_COMPILE([if 'RapidArray' kernel headers are present],
-RapkGetDeviceByIndex, [
- #include <linux/types.h>
- #include <rapl.h>
-],[
- RAP_RETURN rc;
- RAP_PVOID dev_handle;
- rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
- return rc == RAP_SUCCESS ? 0 : 1;
-],[
- RALND="ralnd"
-],[
- RACPPFLAGS=""
-])
-EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
-AC_SUBST(RACPPFLAGS)
-AC_SUBST(RALND)
-]) # LN_CONFIG_RALND
+ # 4.4 added network namespace parameter for rdma_create_id()
+ LB_CHECK_COMPILE([if 'rdma_create_id' wants five args],
+ rdma_create_id_5args, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_RDMA_CREATE_ID_5ARG, 1,
+ [rdma_create_id wants 5 args])
+ ])
+
+ # 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.
+ LB_CHECK_COMPILE([if 'struct ib_cq_init_attr' is used],
+ ib_cq_init_attr, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_CQ_INIT_ATTR, 1,
+ [struct ib_cq_init_attr is used by ib_create_cq])
+ ])
+
+ # 4.3 removed ib_alloc_fast_reg_mr()
+ LB_CHECK_COMPILE([if 'ib_alloc_fast_reg_mr' exists],
+ ib_alloc_fast_reg_mr, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_ALLOC_FAST_REG_MR, 1,
+ [ib_alloc_fast_reg_mr is defined])
+ ])
+
+ # 4.9 must stop using ib_get_dma_mr and the global MR
+ # We then have to use FMR/Fastreg for all RDMA.
+ LB_CHECK_COMPILE([if 'ib_get_dma_mr' exists],
+ ib_get_dma_mr, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_GET_DMA_MR, 1,
+ [ib_get_dma_mr is defined])
+ ])
+
+ # 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.
+ LB_CHECK_COMPILE([if 'struct ib_rdma_wr' is defined],
+ ib_rdma_wr, [
+ #ifdef HAVE_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_rdma_wr *wr __attribute__ ((unused));
+
+ wr = rdma_wr(NULL);
+ ],[
+ AC_DEFINE(HAVE_IB_RDMA_WR, 1,
+ [struct ib_rdma_wr is defined])
+ ])
+
+ # new fast registration API introduced in 4.4
+ LB_CHECK_COMPILE([if 4arg 'ib_map_mr_sg' exists],
+ ib_map_mr_sg_4args, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_MAP_MR_SG, 1,
+ [ib_map_mr_sg exists])
+ ])
+
+ # ib_map_mr_sg changes from 4 to 5 args (adding sg_offset_p)
+ # in kernel 4.7 (and RHEL 7.3)
+ LB_CHECK_COMPILE([if 5arg 'ib_map_mr_sg' exists],
+ ib_map_mr_sg_5args, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_MAP_MR_SG, 1,
+ [ib_map_mr_sg exists])
+ AC_DEFINE(HAVE_IB_MAP_MR_SG_5ARGS, 1,
+ [ib_map_mr_sg has 5 arguments])
+ ])
+
+ # ib_query_device() removed in 4.5
+ LB_CHECK_COMPILE([if 'struct ib_device' has member 'attrs'],
+ ib_device.attrs, [
+ #ifdef HAVE_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;
+ ],[
+ AC_DEFINE(HAVE_IB_DEVICE_ATTRS, 1,
+ [struct ib_device.attrs is defined])
+ ])
+
+ # A flags argument was added to ib_alloc_pd() in Linux 4.9,
+ # commit ed082d36a7b2c27d1cda55fdfb28af18040c4a89
+ LB_CHECK_COMPILE([if 2arg 'ib_alloc_pd' exists],
+ ib_alloc_pd, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_ALLOC_PD_2ARGS, 1,
+ [ib_alloc_pd has 2 arguments])
+ ])
+
+ LB_CHECK_COMPILE([if function 'ib_inc_rkey' is defined],
+ ib_inc_rkey, [
+ #ifdef HAVE_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);
+ ],[
+ AC_DEFINE(HAVE_IB_INC_RKEY, 1,
+ [function ib_inc_rkey exist])
+ ])
+
+ # In MOFED 4.6, the second and third parameters for
+ # ib_post_send() and ib_post_recv() are declared with
+ # 'const'.
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Werror"
+ LB_CHECK_COMPILE([if 'ib_post_send() and ib_post_recv()' have const parameters],
+ ib_post_send_recv_const, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_post_send(NULL, (const struct ib_send_wr *)NULL,
+ (const struct ib_send_wr **)NULL);
+ ],[
+ AC_DEFINE(HAVE_IB_POST_SEND_RECV_CONST, 1,
+ [ib_post_send and ib_post_recv have const parameters])
+ ])
+ EXTRA_KCFLAGS="$tmp_flags"
+
+ EXTRA_CHECK_INCLUDE=""
+]) # ENABLEO2IB != "no"
+]) # LN_CONFIG_O2IB
#
# LN_CONFIG_GNILND
return rrc;
],[
GNICPPFLAGS="$GNICPPFLAGS -DGNILND_USE_RCA=1"
- GNILNDRCA="gnilndrca"
])
EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
])
AC_SUBST(GNICPPFLAGS)
-AC_SUBST(GNILNDRCA)
AC_SUBST(GNILND)
]) # LN_CONFIG_GNILND
#
-# LN_CONFIG_USERSPACE
+# LN_CONFIG_SK_SLEEP
#
-# This is defined but empty because it is called from
-# build/autconf/lustre-build.m4 which is shared by all branches.
+# 2.6.35 kernel has sk_sleep function
#
-AC_DEFUN([LN_CONFIG_USERSPACE], [
-]) # LN_CONFIG_USERSPACE
+AC_DEFUN([LN_CONFIG_SK_SLEEP], [
+LB_CHECK_COMPILE([if Linux kernel has 'sk_sleep'],
+sk_sleep, [
+ #include <net/sock.h>
+],[
+ sk_sleep(NULL);
+],[
+ AC_DEFINE(HAVE_SK_SLEEP, 1,
+ [kernel has sk_sleep])
+])
+]) # LN_CONFIG_SK_SLEEP
#
# LN_CONFIG_TCP_SENDPAGE
#
-# 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
+# 2.6.36 tcp_sendpage() first parameter is 'struct sock'
+# instead of 'struct socket'.
#
AC_DEFUN([LN_CONFIG_TCP_SENDPAGE], [
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="$tmp_flags"
]) # LN_CONFIG_TCP_SENDPAGE
+# LN_CONFIG_SOCK_CREATE_KERN
+#
+# 4.x sock_create_kern() added a first parameter as 'struct net *'
+# instead of int.
+#
+AC_DEFUN([LN_CONFIG_SOCK_CREATE_KERN], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'sock_create_kern' first parameter is net],
+sock_create_kern_net, [
+ #include <linux/net.h>
+ #include <net/net_namespace.h>
+],[
+ sock_create_kern((struct net*)0, 0, 0, 0, NULL);
+],[
+ AC_DEFINE(HAVE_SOCK_CREATE_KERN_USE_NET, 1,
+ [sock_create_kern use net as first parameter])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_CONFIG_SOCK_CREATE_KERN
+
#
# LN_CONFIG_SK_DATA_READY
#
-# 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
+# 3.15 for struct sock the *sk_data_ready() field only takes one argument now
#
AC_DEFUN([LN_CONFIG_SK_DATA_READY], [
tmp_flags="$EXTRA_KCFLAGS"
]) # LN_CONFIG_SK_DATA_READY
#
+# LN_EXPORT_KMAP_TO_PAGE
+#
+# 3.10 Export kmap_to_page
+#
+AC_DEFUN([LN_EXPORT_KMAP_TO_PAGE], [
+LB_CHECK_EXPORT([kmap_to_page], [mm/highmem.c],
+ [AC_DEFINE(HAVE_KMAP_TO_PAGE, 1,
+ [kmap_to_page is exported by the kernel])])
+]) # LN_EXPORT_KMAP_TO_PAG
+
+#
+# LN_CONFIG_SOCK_ACCEPT
+#
+# 4.11 commit cdfbabfb2f0ce983fdaa42f20e5f7842178fc01e added a flag
+# to handle a possible lockdep condition kernel socket accept.
+#
+AC_DEFUN([LN_CONFIG_SOCK_ACCEPT], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'struct sock' accept function requires a bool argument],
+kern_sock_flag, [
+ #include <linux/net.h>
+],[
+ ((struct socket *)0)->ops->accept(NULL, NULL, O_NONBLOCK, false);
+],[
+ AC_DEFINE(HAVE_KERN_SOCK_ACCEPT_FLAG_ARG, 1,
+ ['struct sock' accept function requires bool argument])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_CONFIG_SOCK_ACCEPT
+
+#
+# LN_HAVE_ORACLE_OFED_EXTENSIONS
+#
+# Oracle UEK 5
+#
+AC_DEFUN([LN_HAVE_ORACLE_OFED_EXTENSIONS], [
+LB_CHECK_COMPILE([if Oracle OFED Extensions are enabled],
+oracle_ofed_ext, [
+ #include <rdma/ib_fmr_pool.h>
+],[
+ struct ib_fmr_pool_param param = {
+ .relaxed = 0
+ };
+ (void)param;
+],[
+ AC_DEFINE(HAVE_ORACLE_OFED_EXTENSIONS, 1,
+ [if Oracle OFED Extensions are enabled])
+])
+]) # LN_HAVE_ORACLE_OFED_EXTENSIONS
+
+#
+# LN_CONFIG_SOCK_GETNAME
+#
+# 4.17 commit 9b2c45d479d0fb8647c9e83359df69162b5fbe5f getname()
+# does not take the length *int argument and returns the length
+#
+AC_DEFUN([LN_CONFIG_SOCK_GETNAME], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'getname' has two args],
+kern_sock_getname_2args, [
+ #include <linux/net.h>
+],[
+ kernel_getsockname(NULL, NULL);
+],[
+ AC_DEFINE(HAVE_KERN_SOCK_GETNAME_2ARGS, 1,
+ ['getname' has two args])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_CONFIG_SOCK_GETNAME
+
+#
+# LN_IB_DEVICE_OPS_EXISTS
+#
+# kernel 5.0 commit 521ed0d92ab0db3edd17a5f4716b7f698f4fce61
+# RDMA/core: Introduce ib_device_ops
+# ... introduces the ib_device_ops structure that defines all the
+# InfiniBand device operations in one place ...
+#
+AC_DEFUN([LN_IB_DEVICE_OPS_EXISTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if struct ib_device_ops is defined],
+ib_device_ops_test, [
+ #include <rdma/ib_verbs.h>
+],[
+ int x = offsetof(struct ib_device_ops, unmap_fmr);
+ x = x;
+ (void)x;
+],[
+ AC_DEFINE(HAVE_IB_DEVICE_OPS, 1,
+ [if struct ib_device_ops is defined])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_IB_DEVICE_OPS_EXISTS
+
+#
+# LN_IB_SG_DMA_ADDRESS_EXISTS
+#
+# kernel 5.1 commit a163afc88556e099271a7b423295bc5176fcecce
+# IB/core: Remove ib_sg_dma_address() and ib_sg_dma_len()
+# ... when dma_ops existed (3.6) ib_sg_dma_address() was not trivial ...
+#
+AC_DEFUN([LN_IB_SG_DMA_ADDRESS_EXISTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if ib_sg_dma_address wrapper exists],
+ib_sg_dma_address_test, [
+ #include <rdma/ib_verbs.h>
+],[
+ u64 x = ib_sg_dma_address(NULL, NULL);
+ x = x;
+ (void)x;
+],[
+ AC_DEFINE(HAVE_IB_SG_DMA_ADDRESS, 1,
+ [if ib_sg_dma_address wrapper exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_IB_SG_DMA_ADDRESS_EXISTS
+
+#
# LN_PROG_LINUX
#
# LNet linux kernel checks
AC_MSG_NOTICE([LNet kernel checks
==============================================================================])
-LN_FUNC_DEV_GET_BY_NAME_2ARG
LN_CONFIG_AFFINITY
LN_CONFIG_BACKOFF
-LN_CONFIG_QUADRICS
LN_CONFIG_O2IB
-LN_CONFIG_RALND
LN_CONFIG_GNILND
-LN_CONFIG_MX
+# 2.6.35
+LN_CONFIG_SK_SLEEP
# 2.6.36
LN_CONFIG_TCP_SENDPAGE
+# 3.10
+LN_EXPORT_KMAP_TO_PAGE
# 3.15
LN_CONFIG_SK_DATA_READY
+# 4.x
+LN_CONFIG_SOCK_CREATE_KERN
+# 4.11
+LN_CONFIG_SOCK_ACCEPT
+# 4.14
+LN_HAVE_ORACLE_OFED_EXTENSIONS
+# 4.17
+LN_CONFIG_SOCK_GETNAME
+# 5.0
+LN_IB_DEVICE_OPS_EXISTS
+# 5.1
+LN_IB_SG_DMA_ADDRESS_EXISTS
]) # LN_PROG_LINUX
#
==============================================================================])
# lnet/utils/portals.c
-AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
-AC_CHECK_FUNCS([gethostbyname socket connect])
-
-# lnet/utils/debug.c
-AC_CHECK_HEADERS([linux/version.h])
+AC_CHECK_HEADERS([netdb.h])
+AC_CHECK_FUNCS([gethostbyname])
# lnet/utils/wirecheck.c
AC_CHECK_FUNCS([strnlen])
# -------- Check for required packages --------------
-#
-# LC_CONFIG_READLINE
-#
-# Build with readline
-#
-AC_MSG_CHECKING([whether to enable readline support])
-AC_ARG_ENABLE(readline,
- AC_HELP_STRING([--disable-readline],
- [disable readline support]),
- [], [enable_readline="yes"])
-AC_MSG_RESULT([$enable_readline])
-
-# -------- check for readline if enabled ----
-
-LIBREADLINE=""
-AS_IF([test "x$enable_readline" = xyes], [
- AC_CHECK_LIB([readline], [readline], [
- LIBREADLINE="-lreadline"
- AC_DEFINE(HAVE_LIBREADLINE, 1,
- [readline library is available])])
-])
-AC_SUBST(LIBREADLINE)
-
-# -------- enable acceptor libwrap (TCP wrappers) support? -------
-
-AC_MSG_CHECKING([if libwrap support is requested])
-AC_ARG_ENABLE([libwrap],
- AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
- [case "${enableval}" in
- yes) enable_libwrap="yes" ;;
- no) enable_libwrap="no" ;;
- *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
- esac], [enable_libwrap="no"])
-AC_MSG_RESULT([$enable_libwrap])
-LIBWRAP=""
-AS_IF([test "x$enable_libwrap" = xyes], [
- LIBWRAP="-lwrap"
- AC_DEFINE(HAVE_LIBWRAP, 1,
- [libwrap support is requested])
+AC_MSG_CHECKING([whether to enable 'efence' debugging support])
+AC_ARG_ENABLE(efence,
+ AC_HELP_STRING([--enable-efence],
+ [use efence library]),
+ [], [enable_efence="no"])
+AC_MSG_RESULT([$enable_efence])
+
+LIBEFENCE=""
+AS_IF([test "$enable_efence" = yes], [
+ LIBEFENCE="-lefence"
+ AC_DEFINE(HAVE_LIBEFENCE, 1,
+ [libefence support is requested])
])
-AC_SUBST(LIBWRAP)
+AC_SUBST(LIBEFENCE)
-LN_CONFIG_MAX_PAYLOAD
LN_CONFIG_DLC
]) # LN_CONFIGURE
#
# LN_CONDITIONALS
#
-# AM_CONDITOINAL defines for lnet
+# AM_CONDITIONAL defines for lnet
#
AC_DEFUN([LN_CONDITIONALS], [
-AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
-AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
-AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
-AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
-AM_CONDITIONAL(BUILD_GNILND_RCA, test x$GNILNDRCA = "xgnilndrca")
-AM_CONDITIONAL(BUILD_DLC, test x$USE_DLC = "xyes")
+AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
]) # LN_CONDITIONALS
#
#
AC_DEFUN([LN_CONFIG_FILES], [
AC_CONFIG_FILES([
-lnet/Kernelenv
lnet/Makefile
lnet/autoMakefile
lnet/autoconf/Makefile
lnet/doc/Makefile
lnet/include/Makefile
lnet/include/lnet/Makefile
-lnet/include/lnet/linux/Makefile
+lnet/include/uapi/linux/lnet/Makefile
lnet/klnds/Makefile
lnet/klnds/autoMakefile
-lnet/klnds/mxlnd/autoMakefile
-lnet/klnds/mxlnd/Makefile
lnet/klnds/o2iblnd/Makefile
lnet/klnds/o2iblnd/autoMakefile
-lnet/klnds/qswlnd/Makefile
-lnet/klnds/qswlnd/autoMakefile
-lnet/klnds/ralnd/Makefile
-lnet/klnds/ralnd/autoMakefile
lnet/klnds/gnilnd/Makefile
lnet/klnds/gnilnd/autoMakefile
lnet/klnds/socklnd/Makefile