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 $LINUX/include/linux/tcp.h | grep -q __u16 >/dev/null],
108 [AC_DEFINE(SOCKNAL_BACKOFF_MS, 1,
109 [tunable backoff TCP in ms])])
114 ]) # LN_CONFIG_BACKOFF
119 # Configure dlc if enabled
121 # if libyaml is set (IE libyaml installed) and enable_dlc = yes then build
122 # dlc other wise (IE if libyaml is not set or enable_dlc = no) then don't
125 AC_DEFUN([LN_CONFIG_DLC], [
126 AC_CHECK_LIB([yaml], [yaml_parser_initialize],[
129 AC_MSG_CHECKING([whether to enable dlc])
131 AC_HELP_STRING([--disable-dlc],
132 [disable building dlc]),
133 [], [enable_dlc="yes"])
134 AC_MSG_RESULT([$enable_dlc])
136 AS_IF([test "x$enable_dlc" = xyes],
137 [AS_IF([test "x$LIBYAML" = xlibyaml], [
140 AC_MSG_RESULT([no (libyaml not present)])
149 # check if quadrics support is in this kernel
151 AC_DEFUN([LN_CONFIG_QUADRICS], [
152 AC_MSG_CHECKING([for QsNet sources])
154 AC_HELP_STRING([--with-qsnet=path],
155 [set path to qsnet source (default=$LINUX)]),
156 [QSNET=$with_qsnet], [QSNET=$LINUX])
157 AC_MSG_RESULT([$QSNET])
161 AC_MSG_CHECKING([if quadrics kernel headers are present])
162 AS_IF([test -d $QSNET/drivers/net/qsnet], [
165 AC_MSG_CHECKING([for multirail EKC])
166 AS_IF([test -f $QSNET/include/elan/epcomms.h], [
167 AC_MSG_RESULT([supported])
168 QSNET=$(readlink --canonicalize $QSNET)
169 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
171 AC_MSG_RESULT([not supported])
172 AC_MSG_ERROR([Need multirail EKC])
175 AS_IF([test x$QSNET = x$LINUX], [
176 LB_CHECK_CONFIG([QSNET], [], [
177 LB_CHECK_CONFIG([QSNET_MODULE], [], [
178 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
188 AC_SUBST(QSWCPPFLAGS)
189 ]) # LN_CONFIG_QUADRICS
194 AC_DEFUN([LN_CONFIG_MX], [
197 AC_MSG_CHECKING([whether to enable Myrinet MX support])
199 AC_HELP_STRING([--with-mx=path],
200 [build mxlnd against path]),
205 *) ENABLEMX=3; MXPATH=$with_mx ;;
210 AS_IF([test $ENABLEMX -eq 0], [
211 AC_MSG_RESULT([disabled])
212 ], [test ! \( -f ${MXPATH}/include/myriexpress.h -a \
213 -f ${MXPATH}/include/mx_kernel_api.h -a \
214 -f ${MXPATH}/include/mx_pin.h \)], [
218 2) AC_MSG_ERROR([Myrinet MX kernel headers not present]) ;;
219 3) AC_MSG_ERROR([bad --with-mx path]) ;;
220 *) AC_MSG_ERROR([internal error]) ;;
223 AC_MSG_RESULT([check])
224 MXPATH=$(readlink --canonicalize $MXPATH)
225 MXCPPFLAGS="-I$MXPATH/include"
226 MXLIBS="-L$MXPATH/lib"
227 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
228 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
229 LB_CHECK_COMPILE([if have Myrinet MX support],
230 myrinet_mx_support, [
232 #include <mx_extensions.h>
233 #include <myriexpress.h>
237 mx_request_t request;
240 mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
241 mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
242 mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
243 mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
250 2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]) ;;
251 3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]) ;;
252 *) AC_MSG_ERROR([internal error]) ;;
258 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
268 AC_DEFUN([LN_CONFIG_O2IB], [
269 AC_MSG_CHECKING([whether to use Compat RDMA])
271 AC_HELP_STRING([--with-o2ib=path],
272 [build o2iblnd against path]),
275 yes) O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
280 *) O2IBPATHS=$with_o2ib
285 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
288 AS_IF([test $ENABLEO2IB -eq 0], [
292 for O2IBPATH in $O2IBPATHS; do
293 AS_IF([test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
294 -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
295 -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
296 -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \)], [
297 AS_IF([test \( -d ${O2IBPATH}/kernel_patches -a \
298 -f ${O2IBPATH}/Makefile \)], [
302 you appear to be trying to use the OFED distribution's source
303 directory (${O2IBPATH}) rather than the "development/headers"
304 directory which is likely in ${O2IBPATH%-*}
311 if ! $o2ib_found; then
315 2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]) ;;
316 3) AC_MSG_ERROR([bad --with-o2ib path]) ;;
317 *) AC_MSG_ERROR([internal error]) ;;
320 compatrdma_found=false
321 if test -f ${O2IBPATH}/include/linux/compat-2.6.h; then
323 compatrdma_found=true
324 AC_DEFINE(HAVE_COMPAT_RDMA, 1, [compat rdma found])
328 if ! $compatrdma_found; then
329 if test -f "$O2IBPATH/config.mk"; then
330 . "$O2IBPATH/config.mk"
331 elif test -f "$O2IBPATH/ofed_patch.mk"; then
332 . "$O2IBPATH/ofed_patch.mk"
335 if test "x$RHEL_KERNEL" = xyes; then
336 case "$RHEL_KERNEL_VERSION" in
338 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_4" ;;
340 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_4 -DCONFIG_COMPAT_RHEL_6_5" ;;
342 elif test "x$SUSE_KERNEL" = xyes; then
343 SP=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
344 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_SLES_11_$SP"
347 AC_MSG_CHECKING([whether to use any OFED backport headers])
348 if test -n "$BACKPORT_INCLUDES"; then
350 OFED_BACKPORT_PATH="$O2IBPATH/${BACKPORT_INCLUDES/*\/kernel_addons/kernel_addons}/"
351 EXTRA_OFED_INCLUDE="-I$OFED_BACKPORT_PATH $EXTRA_OFED_INCLUDE"
357 O2IBPATH=$(readlink --canonicalize $O2IBPATH)
358 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include"
359 LB_CHECK_COMPILE([whether to enable OpenIB gen2 support],
360 openib_gen2_support, [
361 #include <linux/version.h>
362 #include <linux/pci.h>
363 #include <linux/gfp.h>
364 #ifdef HAVE_COMPAT_RDMA
365 #include <linux/compat-2.6.h>
367 #include <rdma/rdma_cm.h>
368 #include <rdma/ib_cm.h>
369 #include <rdma/ib_verbs.h>
370 #include <rdma/ib_fmr_pool.h>
372 struct rdma_cm_id *cm_idi __attribute__ ((unused));
373 struct rdma_conn_param conn_param __attribute__ ((unused));
374 struct ib_device_attr device_attr __attribute__ ((unused));
375 struct ib_qp_attr qp_attr __attribute__ ((unused));
376 struct ib_pool_fmr pool_fmr __attribute__ ((unused));
377 enum ib_cm_rej_reason rej_reason __attribute__ ((unused));
378 rdma_destroy_id(NULL);
384 2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]) ;;
385 3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]) ;;
386 *) AC_MSG_ERROR([internal error]) ;;
389 # we know at this point that the found OFED source is good
391 if test $ENABLEO2IB -eq 3 ; then
392 # OFED default rpm not handle sles10 Modules.symvers name
393 for name in Module.symvers Modules.symvers; do
394 if test -f $O2IBPATH/$name; then
399 if test -n "$O2IB_SYMVER"; then
400 AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to $PWD/$SYMVERFILE])
401 # strip out the existing symbols versions first
402 if test -f $PWD/$SYMVERFILE; then
403 egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
405 touch $PWD/$SYMVERFILE.old
407 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
408 rm $PWD/$SYMVERFILE.old
410 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
417 AC_SUBST(EXTRA_OFED_INCLUDE)
420 # In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
421 AS_IF([test $ENABLEO2IB -ne 0], [
422 LB_CHECK_COMPILE([if 'rdma_create_id' wants four args],
423 rdma_create_id_4args, [
424 #ifdef HAVE_COMPAT_RDMA
425 #include <linux/compat-2.6.h>
427 #include <rdma/rdma_cm.h>
429 rdma_create_id(NULL, NULL, 0, 0);
431 AC_DEFINE(HAVE_RDMA_CREATE_ID_4ARG, 1,
432 [rdma_create_id wants 4 args])
440 # check whether to use the RapidArray lnd
442 AC_DEFUN([LN_CONFIG_RALND], [
444 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
445 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
446 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
447 LB_CHECK_COMPILE([if 'RapidArray' kernel headers are present],
448 RapkGetDeviceByIndex, [
449 #include <linux/types.h>
453 RAP_PVOID dev_handle;
454 rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
455 return rc == RAP_SUCCESS ? 0 : 1;
461 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
469 # check whether to use the Gemini Network Interface lnd
471 AC_DEFUN([LN_CONFIG_GNILND], [
472 AC_MSG_CHECKING([whether to enable GNI lnd])
474 AC_HELP_STRING([--enable-gni],
476 [], [enable_gni="no"])
477 AC_MSG_RESULT([$enable_gni])
479 AS_IF([test "x$enable_gni" = xyes], [
480 # GNICPPFLAGS was set in spec file
481 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
482 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $GNICPPFLAGS"
483 LB_CHECK_COMPILE([if GNI kernel headers are present],
485 #include <linux/types.h>
488 gni_cdm_handle_t kgni_domain;
491 rc = gni_cdm_create(0, 1, 1, 0, &kgni_domain);
492 rrc = (rc == GNI_RC_SUCCESS) ? 0 : 1;
497 AC_MSG_ERROR([can't compile gnilnd with given GNICPPFLAGS: $GNICPPFLAGS])
499 # at this point, we have gnilnd basic support,
500 # now check for extra features
501 LB_CHECK_COMPILE([to use RCA in gnilnd],
503 #include <linux/types.h>
505 #include <krca_lib.h>
507 gni_cdm_handle_t kgni_domain;
509 krca_ticket_t ticket = KRCA_NULL_TICKET;
511 __u32 nid = 0, nic_addr;
512 rc = gni_cdm_create(0, 1, 1, 0, &kgni_domain);
513 rrc = (rc == GNI_RC_SUCCESS) ? 0 : 1;
514 rrc += krca_nid_to_nicaddrs(nid, 1, &nic_addr);
515 rrc += krca_register(&ticket, RCA_MAKE_SERVICE_INDEX(RCA_IO_CLASS, 9), 99, 0);
518 GNICPPFLAGS="$GNICPPFLAGS -DGNILND_USE_RCA=1"
519 GNILNDRCA="gnilndrca"
521 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
523 AC_SUBST(GNICPPFLAGS)
526 ]) # LN_CONFIG_GNILND
529 # LN_CONFIG_USERSPACE
531 # This is defined but empty because it is called from
532 # build/autconf/lustre-build.m4 which is shared by all branches.
534 AC_DEFUN([LN_CONFIG_USERSPACE], [
535 ]) # LN_CONFIG_USERSPACE
538 # LN_CONFIG_TCP_SENDPAGE
540 # 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
542 AC_DEFUN([LN_CONFIG_TCP_SENDPAGE], [
543 tmp_flags="$EXTRA_KCFLAGS"
544 EXTRA_KCFLAGS="-Werror"
545 LB_CHECK_COMPILE([if 'tcp_sendpage' first parameter is socket],
546 tcp_sendpage_socket, [
547 #include <linux/net.h>
550 tcp_sendpage((struct socket*)0, NULL, 0, 0, 0);
552 AC_DEFINE(HAVE_TCP_SENDPAGE_USE_SOCKET, 1,
553 [tcp_sendpage use socket as first parameter])
555 EXTRA_KCFLAGS="$tmp_flags"
556 ]) # LN_CONFIG_TCP_SENDPAGE
559 # LN_CONFIG_SK_DATA_READY
561 # 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
563 AC_DEFUN([LN_CONFIG_SK_DATA_READY], [
564 tmp_flags="$EXTRA_KCFLAGS"
565 EXTRA_KCFLAGS="-Werror"
566 LB_CHECK_COMPILE([if 'sk_data_ready' takes only one argument],
568 #include <linux/net.h>
569 #include <net/sock.h>
571 ((struct sock *)0)->sk_data_ready(NULL);
573 AC_DEFINE(HAVE_SK_DATA_READY_ONE_ARG, 1,
574 [sk_data_ready uses only one argument])
576 EXTRA_KCFLAGS="$tmp_flags"
577 ]) # LN_CONFIG_SK_DATA_READY
582 # LNet linux kernel checks
584 AC_DEFUN([LN_PROG_LINUX], [
585 AC_MSG_NOTICE([LNet kernel checks
586 ==============================================================================])
588 LN_FUNC_DEV_GET_BY_NAME_2ARG
597 LN_CONFIG_TCP_SENDPAGE
599 LN_CONFIG_SK_DATA_READY
605 # default paths for installed files
607 AC_DEFUN([LN_PATH_DEFAULTS], [
608 ]) # LN_PATH_DEFAULTS
613 # other configure checks
615 AC_DEFUN([LN_CONFIGURE], [
616 AC_MSG_NOTICE([LNet core checks
617 ==============================================================================])
619 # lnet/utils/portals.c
620 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
621 AC_CHECK_FUNCS([gethostbyname socket connect])
624 AC_CHECK_HEADERS([linux/version.h])
626 # lnet/utils/wirecheck.c
627 AC_CHECK_FUNCS([strnlen])
629 # -------- Check for required packages --------------
634 # Build with readline
636 AC_MSG_CHECKING([whether to enable readline support])
637 AC_ARG_ENABLE(readline,
638 AC_HELP_STRING([--disable-readline],
639 [disable readline support]),
640 [], [enable_readline="yes"])
641 AC_MSG_RESULT([$enable_readline])
643 # -------- check for readline if enabled ----
646 AS_IF([test "x$enable_readline" = xyes], [
647 AC_CHECK_LIB([readline], [readline], [
648 LIBREADLINE="-lreadline"
649 AC_DEFINE(HAVE_LIBREADLINE, 1,
650 [readline library is available])])
652 AC_SUBST(LIBREADLINE)
654 # -------- enable acceptor libwrap (TCP wrappers) support? -------
656 AC_MSG_CHECKING([if libwrap support is requested])
657 AC_ARG_ENABLE([libwrap],
658 AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
659 [case "${enableval}" in
660 yes) enable_libwrap="yes" ;;
661 no) enable_libwrap="no" ;;
662 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
663 esac], [enable_libwrap="no"])
664 AC_MSG_RESULT([$enable_libwrap])
666 AS_IF([test "x$enable_libwrap" = xyes], [
668 AC_DEFINE(HAVE_LIBWRAP, 1,
669 [libwrap support is requested])
673 LN_CONFIG_MAX_PAYLOAD
680 # AM_CONDITOINAL defines for lnet
682 AC_DEFUN([LN_CONDITIONALS], [
683 AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
684 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
685 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
686 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
687 AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
688 AM_CONDITIONAL(BUILD_GNILND_RCA, test x$GNILNDRCA = "xgnilndrca")
689 AM_CONDITIONAL(BUILD_DLC, test x$USE_DLC = "xyes")
695 # files that should be generated with AC_OUTPUT
697 AC_DEFUN([LN_CONFIG_FILES], [
702 lnet/autoconf/Makefile
704 lnet/include/Makefile
705 lnet/include/lnet/Makefile
706 lnet/include/lnet/linux/Makefile
708 lnet/klnds/autoMakefile
709 lnet/klnds/mxlnd/autoMakefile
710 lnet/klnds/mxlnd/Makefile
711 lnet/klnds/o2iblnd/Makefile
712 lnet/klnds/o2iblnd/autoMakefile
713 lnet/klnds/qswlnd/Makefile
714 lnet/klnds/qswlnd/autoMakefile
715 lnet/klnds/ralnd/Makefile
716 lnet/klnds/ralnd/autoMakefile
717 lnet/klnds/gnilnd/Makefile
718 lnet/klnds/gnilnd/autoMakefile
719 lnet/klnds/socklnd/Makefile
720 lnet/klnds/socklnd/autoMakefile
722 lnet/lnet/autoMakefile
723 lnet/selftest/Makefile
724 lnet/selftest/autoMakefile
726 lnet/utils/lnetconfig/Makefile