2 # LN_CONFIG_MAX_PAYLOAD
4 # configure maximum payload
6 AC_DEFUN([LN_CONFIG_MAX_PAYLOAD], [
7 AC_MSG_CHECKING([for non-default maximum LNET payload])
8 AC_ARG_WITH([max-payload-mb],
9 AC_HELP_STRING([--with-max-payload-mb=MBytes],
10 [set maximum lnet payload in MBytes]),
12 AC_MSG_RESULT([$with_max_payload_mb])
13 CONFIG_LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
14 CONFIG_LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
17 CONFIG_LNET_MAX_PAYLOAD="LNET_MTU"
19 AC_DEFINE_UNQUOTED(CONFIG_LNET_MAX_PAYLOAD, $CONFIG_LNET_MAX_PAYLOAD,
21 ]) # LN_CONFIG_MAX_PAYLOAD
24 # LN_CHECK_GCC_VERSION
26 # Check compiler version
28 AC_DEFUN([LN_CHECK_GCC_VERSION], [
29 AC_MSG_CHECKING([compiler version])
30 PTL_CC_VERSION=`$CC --version | awk '/^gcc/{print $ 3}'`
31 PTL_MIN_CC_VERSION="3.2.2"
33 awk -F. '{printf "%d\n", (($ 1)*100+($ 2))*100+($ 3)}'
35 if test -z "$PTL_CC_VERSION" -o \
36 $(echo $PTL_CC_VERSION | v2n) -ge $(echo $PTL_MIN_CC_VERSION | v2n); then
39 AC_MSG_RESULT([Buggy compiler found])
40 AC_MSG_ERROR([Need gcc version >= $PTL_MIN_CC_VERSION])
42 ]) # LN_CHECK_GCC_VERSION
45 # LN_FUNC_DEV_GET_BY_NAME_2ARG
47 AC_DEFUN([LN_FUNC_DEV_GET_BY_NAME_2ARG], [
48 LB_CHECK_COMPILE([if 'dev_get_by_name' has two args],
49 dev_get_by_name_2args, [
50 #include <linux/netdevice.h>
52 dev_get_by_name(NULL, NULL);
54 AC_DEFINE(HAVE_DEV_GET_BY_NAME_2ARG, 1,
55 [dev_get_by_name has 2 args])
57 ]) # LN_FUNC_DEV_GET_BY_NAME_2ARG
62 # check if cpu affinity is available/wanted
64 AC_DEFUN([LN_CONFIG_AFFINITY], [
65 AC_MSG_CHECKING([whether to enable CPU affinity support])
66 AC_ARG_ENABLE([affinity],
67 AC_HELP_STRING([--disable-affinity],
68 [disable process/irq affinity]),
69 [], [enable_affinity="yes"])
70 AC_MSG_RESULT([$enable_affinity])
71 AS_IF([test "x$enable_affinity" = xyes], [
72 LB_CHECK_COMPILE([if Linux kernel has cpu affinity support],
73 set_cpus_allowed_ptr, [
74 #include <linux/sched.h>
76 struct task_struct *t;
82 set_cpus_allowed_ptr(t, &m);
84 AC_DEFINE(CPU_AFFINITY, 1,
85 [kernel has cpu affinity support])
88 ]) # LN_CONFIG_AFFINITY
93 # check if tunable tcp backoff is available/wanted
95 AC_DEFUN([LN_CONFIG_BACKOFF], [
96 AC_MSG_CHECKING([whether to enable tunable backoff TCP support])
97 AC_ARG_ENABLE([backoff],
98 AC_HELP_STRING([--disable-backoff],
99 [disable socknal tunable backoff]),
100 [], [enable_backoff="yes"])
101 AC_MSG_RESULT([$enable_backoff])
102 AS_IF([test "x$enable_backoff" = xyes], [
103 AC_MSG_CHECKING([if Linux kernel has tunable backoff TCP support])
104 AS_IF([grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h >/dev/null], [
106 AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
107 AS_IF([grep rto_max $LINUX/include/linux/tcp.h | grep -q __u16 >/dev/null],
108 [AC_DEFINE(SOCKNAL_BACKOFF_MS, 1,
109 [tunable backoff TCP in ms])])
114 ]) # LN_CONFIG_BACKOFF
119 # configure support for userspace TCP/IP LND
121 AC_DEFUN([LN_CONFIG_USOCKLND], [
122 AC_MSG_CHECKING([whether to enable usocklnd])
123 AC_ARG_ENABLE([usocklnd],
124 AC_HELP_STRING([--disable-usocklnd],
126 [], [enable_usocklnd="yes"])
127 AC_MSG_RESULT([$enable_usocklnd])
129 AS_IF([test "x$enable_usocklnd" = xyes], [
130 AC_MSG_CHECKING([whether to build usocklnd])
131 AS_IF([test "$ENABLE_LIBPTHREAD" = yes], [
135 AC_MSG_RESULT([no (libpthread not present or disabled)])
139 ]) # LN_CONFIG_USOCKLND
144 # check if quadrics support is in this kernel
146 AC_DEFUN([LN_CONFIG_QUADRICS], [
147 AC_MSG_CHECKING([for QsNet sources])
149 AC_HELP_STRING([--with-qsnet=path],
150 [set path to qsnet source (default=$LINUX)]),
151 [QSNET=$with_qsnet], [QSNET=$LINUX])
152 AC_MSG_RESULT([$QSNET])
156 AC_MSG_CHECKING([if quadrics kernel headers are present])
157 AS_IF([test -d $QSNET/drivers/net/qsnet], [
160 AC_MSG_CHECKING([for multirail EKC])
161 AS_IF([test -f $QSNET/include/elan/epcomms.h], [
162 AC_MSG_RESULT([supported])
163 QSNET=$(readlink --canonicalize $QSNET)
164 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
166 AC_MSG_RESULT([not supported])
167 AC_MSG_ERROR([Need multirail EKC])
170 AS_IF([test x$QSNET = x$LINUX], [
171 LB_CHECK_CONFIG([QSNET], [], [
172 LB_CHECK_CONFIG([QSNET_MODULE], [], [
173 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
183 AC_SUBST(QSWCPPFLAGS)
184 ]) # LN_CONFIG_QUADRICS
189 AC_DEFUN([LN_CONFIG_MX], [
192 AC_MSG_CHECKING([whether to enable Myrinet MX support])
194 AC_HELP_STRING([--with-mx=path],
195 [build mxlnd against path]),
200 *) ENABLEMX=3; MXPATH=$with_mx ;;
205 AS_IF([test $ENABLEMX -eq 0], [
206 AC_MSG_RESULT([disabled])
207 ], [test ! \( -f ${MXPATH}/include/myriexpress.h -a \
208 -f ${MXPATH}/include/mx_kernel_api.h -a \
209 -f ${MXPATH}/include/mx_pin.h \)], [
213 2) AC_MSG_ERROR([Myrinet MX kernel headers not present]) ;;
214 3) AC_MSG_ERROR([bad --with-mx path]) ;;
215 *) AC_MSG_ERROR([internal error]) ;;
218 AC_MSG_RESULT([check])
219 MXPATH=$(readlink --canonicalize $MXPATH)
220 MXCPPFLAGS="-I$MXPATH/include"
221 MXLIBS="-L$MXPATH/lib"
222 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
223 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
224 LB_CHECK_COMPILE([if have Myrinet MX support],
225 myrinet_mx_support, [
227 #include <mx_extensions.h>
228 #include <myriexpress.h>
232 mx_request_t request;
235 mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
236 mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
237 mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
238 mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
245 2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]) ;;
246 3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]) ;;
247 *) AC_MSG_ERROR([internal error]) ;;
253 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
263 AC_DEFUN([LN_CONFIG_O2IB], [
264 AC_MSG_CHECKING([whether to use Compat RDMA])
266 AC_HELP_STRING([--with-o2ib=path],
267 [build o2iblnd against path]),
270 yes) O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
275 *) O2IBPATHS=$with_o2ib
280 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
283 AS_IF([test $ENABLEO2IB -eq 0], [
287 for O2IBPATH in $O2IBPATHS; do
288 AS_IF([test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
289 -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
290 -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
291 -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \)], [
292 AS_IF([test \( -d ${O2IBPATH}/kernel_patches -a \
293 -f ${O2IBPATH}/Makefile \)], [
297 you appear to be trying to use the OFED distribution's source
298 directory (${O2IBPATH}) rather than the "development/headers"
299 directory which is likely in ${O2IBPATH%-*}
306 if ! $o2ib_found; then
310 2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]) ;;
311 3) AC_MSG_ERROR([bad --with-o2ib path]) ;;
312 *) AC_MSG_ERROR([internal error]) ;;
315 compatrdma_found=false
316 if test -f ${O2IBPATH}/include/linux/compat-2.6.h; then
318 compatrdma_found=true
319 AC_DEFINE(HAVE_COMPAT_RDMA, 1, [compat rdma found])
323 if ! $compatrdma_found; then
324 if test -f "$O2IBPATH/config.mk"; then
325 . "$O2IBPATH/config.mk"
326 elif test -f "$O2IBPATH/ofed_patch.mk"; then
327 . "$O2IBPATH/ofed_patch.mk"
330 if test "x$RHEL_KERNEL" = xyes; then
331 case "$RHEL_KERNEL_VERSION" in
333 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_4" ;;
335 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_5" ;;
337 elif test "x$SUSE_KERNEL" = xyes; then
338 SP=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
339 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_SLES_11_$SP"
342 AC_MSG_CHECKING([whether to use any OFED backport headers])
343 if test -n "$BACKPORT_INCLUDES"; then
345 OFED_BACKPORT_PATH="$O2IBPATH/${BACKPORT_INCLUDES/*\/kernel_addons/kernel_addons}/"
346 EXTRA_OFED_INCLUDE="-I$OFED_BACKPORT_PATH $EXTRA_OFED_INCLUDE"
352 O2IBPATH=$(readlink --canonicalize $O2IBPATH)
353 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include"
354 LB_CHECK_COMPILE([whether to enable OpenIB gen2 support],
355 openib_gen2_support, [
356 #include <linux/version.h>
357 #include <linux/pci.h>
358 #include <linux/gfp.h>
359 #ifdef HAVE_COMPAT_RDMA
360 #include <linux/compat-2.6.h>
362 #include <rdma/rdma_cm.h>
363 #include <rdma/ib_cm.h>
364 #include <rdma/ib_verbs.h>
365 #include <rdma/ib_fmr_pool.h>
367 struct rdma_cm_id *cm_idi __attribute__ ((unused));
368 struct rdma_conn_param conn_param __attribute__ ((unused));
369 struct ib_device_attr device_attr __attribute__ ((unused));
370 struct ib_qp_attr qp_attr __attribute__ ((unused));
371 struct ib_pool_fmr pool_fmr __attribute__ ((unused));
372 enum ib_cm_rej_reason rej_reason __attribute__ ((unused));
373 rdma_destroy_id(NULL);
379 2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]) ;;
380 3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]) ;;
381 *) AC_MSG_ERROR([internal error]) ;;
384 # we know at this point that the found OFED source is good
386 if test $ENABLEO2IB -eq 3 ; then
387 # OFED default rpm not handle sles10 Modules.symvers name
388 for name in Module.symvers Modules.symvers; do
389 if test -f $O2IBPATH/$name; then
394 if test -n "$O2IB_SYMVER"; then
395 AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to $PWD/$SYMVERFILE])
396 # strip out the existing symbols versions first
397 if test -f $PWD/$SYMVERFILE; then
398 egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
400 touch $PWD/$SYMVERFILE.old
402 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
403 rm $PWD/$SYMVERFILE.old
405 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
412 AC_SUBST(EXTRA_OFED_INCLUDE)
415 # In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
416 AS_IF([test $ENABLEO2IB -ne 0], [
417 LB_CHECK_COMPILE([if 'rdma_create_id' wants four args],
418 rdma_create_id_4args, [
419 #ifdef HAVE_COMPAT_RDMA
420 #include <linux/compat-2.6.h>
422 #include <rdma/rdma_cm.h>
424 rdma_create_id(NULL, NULL, 0, 0);
426 AC_DEFINE(HAVE_RDMA_CREATE_ID_4ARG, 1,
427 [rdma_create_id wants 4 args])
435 # check whether to use the RapidArray lnd
437 AC_DEFUN([LN_CONFIG_RALND], [
439 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
440 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
441 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
442 LB_CHECK_COMPILE([if 'RapidArray' kernel headers are present],
443 RapkGetDeviceByIndex, [
444 #include <linux/types.h>
448 RAP_PVOID dev_handle;
449 rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
450 return rc == RAP_SUCCESS ? 0 : 1;
456 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
464 # check whether to use the Gemini Network Interface lnd
466 AC_DEFUN([LN_CONFIG_GNILND], [
467 AC_MSG_CHECKING([whether to enable GNI lnd])
469 AC_HELP_STRING([--enable-gni],
471 [], [enable_gni="no"])
472 AC_MSG_RESULT([$enable_gni])
474 AS_IF([test "x$enable_gni" = xyes], [
475 # GNICPPFLAGS was set in spec file
476 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
477 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $GNICPPFLAGS"
478 LB_CHECK_COMPILE([if GNI kernel headers are present],
480 #include <linux/types.h>
483 gni_cdm_handle_t kgni_domain;
486 rc = gni_cdm_create(0, 1, 1, 0, &kgni_domain);
487 rrc = (rc == GNI_RC_SUCCESS) ? 0 : 1;
492 AC_MSG_ERROR([can't compile gnilnd with given GNICPPFLAGS: $GNICPPFLAGS])
494 # at this point, we have gnilnd basic support,
495 # now check for extra features
496 LB_CHECK_COMPILE([to use RCA in gnilnd],
498 #include <linux/types.h>
500 #include <krca_lib.h>
502 gni_cdm_handle_t kgni_domain;
504 krca_ticket_t ticket = KRCA_NULL_TICKET;
506 __u32 nid = 0, nic_addr;
507 rc = gni_cdm_create(0, 1, 1, 0, &kgni_domain);
508 rrc = (rc == GNI_RC_SUCCESS) ? 0 : 1;
509 rrc += krca_nid_to_nicaddrs(nid, 1, &nic_addr);
510 rrc += krca_register(&ticket, RCA_MAKE_SERVICE_INDEX(RCA_IO_CLASS, 9), 99, 0);
513 GNICPPFLAGS="$GNICPPFLAGS -DGNILND_USE_RCA=1"
514 GNILNDRCA="gnilndrca"
516 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
518 AC_SUBST(GNICPPFLAGS)
521 ]) # LN_CONFIG_GNILND
524 # LN_CONFIG_USERSPACE
526 # This is defined but empty because it is called from
527 # build/autconf/lustre-build.m4 which is shared by all branches.
529 AC_DEFUN([LN_CONFIG_USERSPACE], [
530 ]) # LN_CONFIG_USERSPACE
533 # LN_CONFIG_TCP_SENDPAGE
535 # 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
537 AC_DEFUN([LN_CONFIG_TCP_SENDPAGE], [
538 tmp_flags="$EXTRA_KCFLAGS"
539 EXTRA_KCFLAGS="-Werror"
540 LB_CHECK_COMPILE([if 'tcp_sendpage' first parameter is socket],
541 tcp_sendpage_socket, [
542 #include <linux/net.h>
545 tcp_sendpage((struct socket*)0, NULL, 0, 0, 0);
547 AC_DEFINE(HAVE_TCP_SENDPAGE_USE_SOCKET, 1,
548 [tcp_sendpage use socket as first parameter])
550 EXTRA_KCFLAGS="$tmp_flags"
551 ]) # LN_CONFIG_TCP_SENDPAGE
556 # LNet linux kernel checks
558 AC_DEFUN([LN_PROG_LINUX], [
559 AC_MSG_NOTICE([LNet kernel checks
560 ==============================================================================])
562 LN_FUNC_DEV_GET_BY_NAME_2ARG
571 LN_CONFIG_TCP_SENDPAGE
579 AC_DEFUN([LN_PROG_DARWIN], [
580 LB_DARWIN_CHECK_FUNCS([get_preemption_level])
586 # default paths for installed files
588 AC_DEFUN([LN_PATH_DEFAULTS], [
589 ]) # LN_PATH_DEFAULTS
594 # other configure checks
596 AC_DEFUN([LN_CONFIGURE], [
597 AC_MSG_NOTICE([LNet core checks
598 ==============================================================================])
600 # lnet/utils/portals.c
601 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
602 AC_CHECK_FUNCS([gethostbyname socket connect])
605 AC_CHECK_HEADERS([linux/version.h])
607 # lnet/utils/wirecheck.c
608 AC_CHECK_FUNCS([strnlen])
610 # -------- Check for required packages --------------
615 # Build with readline
617 AC_MSG_CHECKING([whether to enable readline support])
618 AC_ARG_ENABLE(readline,
619 AC_HELP_STRING([--disable-readline],
620 [disable readline support]),
621 [], [enable_readline="yes"])
622 AC_MSG_RESULT([$enable_readline])
624 # -------- check for readline if enabled ----
627 AS_IF([test "x$enable_readline" = xyes], [
629 LIBS="-lncurses $LIBS"
630 AC_CHECK_LIB([readline], [readline], [
631 LIBREADLINE="-lreadline -lncurses"
632 AC_DEFINE(HAVE_LIBREADLINE, 1,
633 [readline library is available])])
636 AC_SUBST(LIBREADLINE)
638 # -------- enable acceptor libwrap (TCP wrappers) support? -------
640 AC_MSG_CHECKING([if libwrap support is requested])
641 AC_ARG_ENABLE([libwrap],
642 AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
643 [case "${enableval}" in
644 yes) enable_libwrap="yes" ;;
645 no) enable_libwrap="no" ;;
646 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
647 esac], [enable_libwrap="no"])
648 AC_MSG_RESULT([$enable_libwrap])
650 AS_IF([test "x$enable_libwrap" = xyes], [
652 AC_DEFINE(HAVE_LIBWRAP, 1,
653 [libwrap support is requested])
657 LN_CONFIG_MAX_PAYLOAD
664 # AM_CONDITOINAL defines for lnet
666 AC_DEFUN([LN_CONDITIONALS], [
667 AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
668 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
669 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
670 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
671 AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
672 AM_CONDITIONAL(BUILD_GNILND_RCA, test x$GNILNDRCA = "xgnilndrca")
673 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
679 # files that should be generated with AC_OUTPUT
681 AC_DEFUN([LN_CONFIG_FILES], [
686 lnet/autoconf/Makefile
688 lnet/include/Makefile
689 lnet/include/lnet/Makefile
690 lnet/include/lnet/linux/Makefile
692 lnet/klnds/autoMakefile
693 lnet/klnds/mxlnd/autoMakefile
694 lnet/klnds/mxlnd/Makefile
695 lnet/klnds/o2iblnd/Makefile
696 lnet/klnds/o2iblnd/autoMakefile
697 lnet/klnds/qswlnd/Makefile
698 lnet/klnds/qswlnd/autoMakefile
699 lnet/klnds/ralnd/Makefile
700 lnet/klnds/ralnd/autoMakefile
701 lnet/klnds/gnilnd/Makefile
702 lnet/klnds/gnilnd/autoMakefile
703 lnet/klnds/socklnd/Makefile
704 lnet/klnds/socklnd/autoMakefile
706 lnet/lnet/autoMakefile
707 lnet/selftest/Makefile
708 lnet/selftest/autoMakefile
710 lnet/ulnds/autoMakefile
711 lnet/ulnds/socklnd/Makefile
713 lnet/include/lnet/darwin/Makefile