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([$with_max_payload_mb])
13 LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
14 LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
17 LNET_MAX_PAYLOAD="LNET_MTU"
19 AC_DEFINE_UNQUOTED(LNET_MAX_PAYLOAD, $LNET_MAX_PAYLOAD,
24 # LN_CHECK_GCC_VERSION
26 # Check compiler version
28 AC_DEFUN([LN_CHECK_GCC_VERSION],
29 [AC_MSG_CHECKING([compiler version])
30 PTL_CC_VERSION=`$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 >= $PTL_MIN_CC_VERSION])
47 # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
49 AC_DEFUN([LN_CONFIG_CDEBUG],
51 AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
52 AC_ARG_ENABLE([libcfs_cdebug],
53 AC_HELP_STRING([--disable-libcfs-cdebug],
54 [disable libcfs CDEBUG, CWARN]),
55 [],[enable_libcfs_cdebug='yes'])
56 AC_MSG_RESULT([$enable_libcfs_cdebug])
57 if test x$enable_libcfs_cdebug = xyes; then
58 AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])
60 AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN])
63 AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
64 AC_ARG_ENABLE([libcfs_trace],
65 AC_HELP_STRING([--disable-libcfs-trace],
66 [disable libcfs ENTRY/EXIT]),
67 [],[enable_libcfs_trace='yes'])
68 AC_MSG_RESULT([$enable_libcfs_trace])
69 if test x$enable_libcfs_trace = xyes; then
70 AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
72 AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
75 AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
76 AC_ARG_ENABLE([libcfs_assert],
77 AC_HELP_STRING([--disable-libcfs-assert],
78 [disable libcfs LASSERT, LASSERTF]),
79 [],[enable_libcfs_assert='yes'])
80 AC_MSG_RESULT([$enable_libcfs_assert])
81 if test x$enable_libcfs_assert = xyes; then
82 AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])
89 # check if cpu affinity is available/wanted
91 AC_DEFUN([LN_CONFIG_AFFINITY],
92 [AC_ARG_ENABLE([affinity],
93 AC_HELP_STRING([--disable-affinity],
94 [disable process/irq affinity]),
95 [],[enable_affinity='yes'])
97 AC_MSG_CHECKING([for CPU affinity support])
98 if test x$enable_affinity = xno ; then
99 AC_MSG_RESULT([no (by request)])
101 LB_LINUX_TRY_COMPILE([
102 #include <linux/sched.h>
104 struct task_struct t;
110 set_cpus_allowed(&t, m);
112 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
115 AC_MSG_RESULT([no (no kernel support)])
123 # configure support for Portals
125 AC_DEFUN([LN_CONFIG_PORTALS],
126 [AC_MSG_CHECKING([for portals])
127 AC_ARG_WITH([portals],
128 AC_HELP_STRING([--with-portals=path],
129 [set path to portals]),
131 case $with_portals in
134 *) PORTALS="${with_portals}"
142 if test $ENABLEPORTALS -eq 0; then
144 elif test ! \( -f ${PORTALS}/include/portals/p30.h \); then
146 AC_MSG_ERROR([bad --with-portals path])
148 AC_MSG_RESULT([$PORTALS])
149 PTLLNDCPPFLAGS="-I${PORTALS}/include"
151 AC_SUBST(PTLLNDCPPFLAGS)
157 # check if tunable tcp backoff is available/wanted
159 AC_DEFUN([LN_CONFIG_BACKOFF],
160 [AC_MSG_CHECKING([for tunable backoff TCP support])
161 AC_ARG_ENABLE([backoff],
162 AC_HELP_STRING([--disable-backoff],
163 [disable socknal tunable backoff]),
164 [],[enable_backoff='yes'])
165 if test x$enable_backoff = xno ; then
166 AC_MSG_RESULT([no (by request)])
168 BOCD="`grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h`"
169 if test "$BOCD" != 0 ; then
170 AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
173 AC_MSG_RESULT([no (no kernel support)])
179 # LN_CONFIG_PANIC_DUMPLOG
181 # check if tunable panic_dumplog is wanted
183 AC_DEFUN([LN_CONFIG_PANIC_DUMPLOG],
184 [AC_MSG_CHECKING([for tunable panic_dumplog support])
185 AC_ARG_ENABLE([panic_dumplog],
186 AC_HELP_STRING([--enable-panic_dumplog],
187 [enable panic_dumplog]),
188 [],[enable_panic_dumplog='no'])
189 if test x$enable_panic_dumplog = xyes ; then
190 AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])
191 AC_MSG_RESULT([yes (by request)])
200 # configure support for Portals LND
202 AC_DEFUN([LN_CONFIG_PTLLND],
204 if test -z "$ENABLEPORTALS"; then
208 AC_MSG_CHECKING([whether to build the kernel portals LND])
211 if test $ENABLEPORTALS -ne 0; then
223 # configure support for Portals LND
225 AC_DEFUN([LN_CONFIG_UPTLLND],
227 if test -z "$ENABLEPORTALS"; then
231 AC_MSG_CHECKING([whether to build the userspace portals LND])
234 if test $ENABLEPORTALS -ne 0; then
246 # configure support for userspace TCP/IP LND
248 AC_DEFUN([LN_CONFIG_USOCKLND],
249 [AC_MSG_CHECKING([whether to build usocklnd])
250 AC_ARG_ENABLE([usocklnd],
251 AC_HELP_STRING([--disable-usocklnd],
253 [],[enable_usocklnd='yes'])
255 if test x$enable_usocklnd = xyes ; then
256 if test "$ENABLE_LIBPTHREAD" = "yes" ; then
260 AC_MSG_RESULT([no (libpthread not present or disabled)])
264 AC_MSG_RESULT([no (disabled explicitly)])
273 # check if quadrics support is in this kernel
275 AC_DEFUN([LN_CONFIG_QUADRICS],
276 [AC_MSG_CHECKING([for QsNet sources])
278 AC_HELP_STRING([--with-qsnet=path],
279 [set path to qsnet source (default=$LINUX)]),
282 AC_MSG_RESULT([$QSNET])
284 AC_MSG_CHECKING([if quadrics kernel headers are present])
285 if test -d $QSNET/drivers/net/qsnet ; then
288 AC_MSG_CHECKING([for multirail EKC])
289 if test -f $QSNET/include/elan/epcomms.h; then
290 AC_MSG_RESULT([supported])
291 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
293 AC_MSG_RESULT([not supported])
294 AC_MSG_ERROR([Need multirail EKC])
297 if test x$QSNET = x$LINUX ; then
298 LB_LINUX_CONFIG([QSNET],[],[
299 LB_LINUX_CONFIG([QSNET_MODULE],[],[
300 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
311 AC_SUBST(QSWCPPFLAGS)
318 # check if GM support is available
320 AC_DEFUN([LN_CONFIG_GM],[
321 AC_MSG_CHECKING([whether to enable GM support])
323 AC_HELP_STRING([--with-gm=path-to-gm-source-tree],
324 [build gmlnd against path]),
336 AC_ARG_WITH([gm-install],
337 AC_HELP_STRING([--with-gm-install=path-to-gm-install-tree],
338 [say where GM has been installed]),
340 GM_INSTALL=$with_gm_install
344 if test $ENABLE_GM -eq 0; then
350 GMCPPFLAGS="-I$GM_SRC/include -I$GM_SRC/drivers -I$GM_SRC/drivers/linux/gm"
352 if test -f $GM_INSTALL/lib/libgm.a -o \
353 -f $GM_INSTALL/lib64/libgm.a; then
354 GMLIBS="-L$GM_INSTALL/lib -L$GM_INSTALL/lib64"
356 AC_MSG_ERROR([Cant find GM libraries under $GM_INSTALL])
359 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
360 EXTRA_KCFLAGS="$GMCPPFLAGS -DGM_KERNEL $EXTRA_KCFLAGS"
362 AC_MSG_CHECKING([that code using GM compiles with given path])
363 LB_LINUX_TRY_COMPILE([
364 #define GM_STRONG_TYPES 1
369 #include "gm_internal.h"
371 struct gm_port *port = NULL;
372 gm_recv_event_t *rxevent = gm_blocking_receive_no_spin(port);
378 AC_MSG_ERROR([Bad --with-gm path])
381 AC_MSG_CHECKING([that GM has gm_register_memory_ex_phys()])
382 LB_LINUX_TRY_COMPILE([
383 #define GM_STRONG_TYPES 1
388 #include "gm_internal.h"
391 struct gm_port *port = NULL;
395 gmrc = gm_register_memory_ex_phys(port, phys, 100, pvma);
401 Please patch the GM sources as follows...
403 patch -p0 < $PWD/lnet/klnds/gmlnd/gm-reg-phys.patch
404 ...then rebuild and re-install them])
405 AC_MSG_ERROR([Can't build GM without gm_register_memory_ex_phys()])
408 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
419 AC_DEFUN([LN_CONFIG_MX],
420 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
424 AC_HELP_STRING([--with-mx=path],
425 [build mxlnd against path]),
439 if test $ENABLEMX -eq 0; then
440 AC_MSG_RESULT([disabled])
441 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
442 -f ${MXPATH}/include/mx_kernel_api.h -a \
443 -f ${MXPATH}/include/mx_pin.h \); then
447 2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
448 3) AC_MSG_ERROR([bad --with-mx path]);;
449 *) AC_MSG_ERROR([internal error]);;
452 MXCPPFLAGS="-I$MXPATH/include"
453 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
454 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
455 MXLIBS="-L$MXPATH/lib"
456 LB_LINUX_TRY_COMPILE([
458 #include <mx_extensions.h>
459 #include <myriexpress.h>
463 mx_request_t request;
467 mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
468 mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
469 mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
470 mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
479 2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
480 3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
481 *) AC_MSG_ERROR([internal error]);;
486 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
498 AC_DEFUN([LN_CONFIG_O2IB],[
499 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
502 AC_HELP_STRING([--with-o2ib=path],
503 [build o2iblnd against path]),
506 yes) O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
511 *) O2IBPATHS=$with_o2ib
516 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
519 if test $ENABLEO2IB -eq 0; then
520 AC_MSG_RESULT([disabled])
523 for O2IBPATH in $O2IBPATHS; do
524 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
525 -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
526 -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
527 -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
532 if ! $o2ib_found; then
536 2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
537 3) AC_MSG_ERROR([bad --with-o2ib path]);;
538 *) AC_MSG_ERROR([internal error]);;
541 O2IBCPPFLAGS="-I$O2IBPATH/include"
542 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
543 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
544 EXTRA_LNET_INCLUDE="$O2IBCPPFLAGS $EXTRA_LNET_INCLUDE"
545 LB_LINUX_TRY_COMPILE([
546 #include <linux/version.h>
547 #include <linux/pci.h>
551 #include <rdma/rdma_cm.h>
552 #include <rdma/ib_cm.h>
553 #include <rdma/ib_verbs.h>
554 #include <rdma/ib_fmr_pool.h>
556 struct rdma_cm_id *cm_id;
557 struct rdma_conn_param conn_param;
558 struct ib_device_attr device_attr;
559 struct ib_qp_attr qp_attr;
560 struct ib_pool_fmr pool_fmr;
561 enum ib_cm_rej_reason rej_reason;
563 cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
564 return PTR_ERR(cm_id);
572 2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
573 3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
574 *) AC_MSG_ERROR([internal error]);;
580 # we know at this point that the found OFED source is good
581 if test \( $ENABLEO2IB = 3 -a -f $O2IBPATH/Module.symvers \); then
582 AC_MSG_NOTICE([adding $O2IBPATH/Module.symvers to $PWD/Module.symvers])
583 cat $O2IBPATH/Module.symvers >> $PWD/Module.symvers
585 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
588 # version checking is a hack and isn't reliable,
589 # we need verify it with each new ofed release
591 if grep -q ib_dma_map_single \
592 ${O2IBPATH}/include/rdma/ib_verbs.h; then
593 if grep -q comp_vector \
594 ${O2IBPATH}/include/rdma/ib_verbs.h; then
595 IBLND_OFED_VERSION="1025"
597 IBLND_OFED_VERSION="1020"
600 IBLND_OFED_VERSION="1010"
603 AC_DEFINE_UNQUOTED(IBLND_OFED_VERSION, $IBLND_OFED_VERSION,
606 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
610 AC_SUBST(EXTRA_LNET_INCLUDE)
611 AC_SUBST(O2IBCPPFLAGS)
618 # check for OpenIB in the kernel
619 AC_DEFUN([LN_CONFIG_OPENIB],[
620 AC_MSG_CHECKING([whether to enable OpenIB support])
622 OPENIBPATH="$LINUX/drivers/infiniband"
623 AC_ARG_WITH([openib],
624 AC_HELP_STRING([--with-openib=path],
625 [build openiblnd against path]),
632 *) OPENIBPATH="$with_openib"
639 if test $ENABLEOPENIB -eq 0; then
640 AC_MSG_RESULT([disabled])
641 elif test ! \( -f ${OPENIBPATH}/include/ts_ib_core.h -a \
642 -f ${OPENIBPATH}/include/ts_ib_cm.h -a \
643 -f ${OPENIBPATH}/include/ts_ib_sa_client.h \); then
645 case $ENABLEOPENIB in
647 2) AC_MSG_ERROR([kernel OpenIB headers not present]);;
648 3) AC_MSG_ERROR([bad --with-openib path]);;
649 *) AC_MSG_ERROR([internal error]);;
652 case $ENABLEOPENIB in
653 1|2) OPENIBCPPFLAGS="-I$OPENIBPATH/include -DIN_TREE_BUILD";;
654 3) OPENIBCPPFLAGS="-I$OPENIBPATH/include";;
655 *) AC_MSG_RESULT([no])
656 AC_MSG_ERROR([internal error]);;
658 OPENIBCPPFLAGS="$OPENIBCPPFLAGS -DIB_NTXRXPARAMS=4"
659 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
660 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
661 LB_LINUX_TRY_COMPILE([
662 #include <ts_ib_core.h>
663 #include <ts_ib_cm.h>
664 #include <ts_ib_sa_client.h>
666 struct ib_device_properties dev_props;
667 struct ib_cm_active_param cm_active_params;
668 tTS_IB_CLIENT_QUERY_TID tid;
669 int enum1 = IB_QP_ATTRIBUTE_STATE;
670 int enum2 = IB_ACCESS_LOCAL_WRITE;
671 int enum3 = IB_CQ_CALLBACK_INTERRUPT;
672 int enum4 = IB_CQ_PROVIDER_REARM;
676 OPENIBLND="openiblnd"
679 case $ENABLEOPENIB in
681 2) AC_MSG_ERROR([can't compile with kernel OpenIB headers]);;
682 3) AC_MSG_ERROR([can't compile with OpenIB headers under $OPENIBPATH]);;
683 *) AC_MSG_ERROR([internal error]);;
688 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
690 AC_SUBST(OPENIBCPPFLAGS)
697 AC_DEFUN([LN_CONFIG_CIB],[
698 AC_MSG_CHECKING([whether to enable Cisco/TopSpin IB support])
703 AC_HELP_STRING([--with-cib=path],
704 [build ciblnd against path]),
707 no) AC_MSG_RESULT([no]);;
708 *) CIBPATH="$with_cib"
709 if test -d "$CIBPATH"; then
713 AC_MSG_ERROR([No directory $CIBPATH])
719 if test -n "$CIBPATH"; then
720 CIBCPPFLAGS="-I${CIBPATH}/ib/ts_api_ng/include -I${CIBPATH}/all/kernel_services/include -DUSING_TSAPI"
721 CIBCPPFLAGS="$CIBCPPFLAGS -DIB_NTXRXPARAMS=3"
722 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
723 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $CIBCPPFLAGS"
724 LB_LINUX_TRY_COMPILE([
725 #include <ts_ib_core.h>
726 #include <ts_ib_cm.h>
727 #include <ts_ib_sa_client.h>
729 struct ib_device_properties dev_props;
730 struct ib_cm_active_param cm_active_params;
731 tTS_IB_CLIENT_QUERY_TID tid;
732 int enum1 = TS_IB_QP_ATTRIBUTE_STATE;
733 int enum2 = TS_IB_ACCESS_LOCAL_WRITE;
734 int enum3 = TS_IB_CQ_CALLBACK_INTERRUPT;
735 int enum4 = TS_IB_CQ_PROVIDER_REARM;
740 AC_MSG_ERROR([can't compile ciblnd with given path])
743 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
745 AC_SUBST(CIBCPPFLAGS)
752 # check for infinicon infiniband support
754 AC_DEFUN([LN_CONFIG_IIB],[
755 AC_MSG_CHECKING([whether to enable Infinicon support])
757 IIBPATH="/usr/include"
759 AC_HELP_STRING([--with-iib=path],
760 [build iiblnd against path]),
767 *) IIBPATH="${with_iib}/include"
774 if test $ENABLEIIB -eq 0; then
775 AC_MSG_RESULT([disabled])
776 elif test ! \( -f ${IIBPATH}/linux/iba/ibt.h \); then
780 2) AC_MSG_ERROR([default Infinicon headers not present]);;
781 3) AC_MSG_ERROR([bad --with-iib path]);;
782 *) AC_MSG_ERROR([internal error]);;
785 IIBCPPFLAGS="-I$IIBPATH"
786 if test $IIBPATH != "/usr/include"; then
787 # we need /usr/include come what may
788 IIBCPPFLAGS="$IIBCPPFLAGS -I/usr/include"
790 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
791 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
792 LB_LINUX_TRY_COMPILE([
793 #include <linux/iba/ibt.h>
795 IBT_INTERFACE_UNION interfaces;
798 rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
801 return rc == FSUCCESS ? 0 : 1;
809 2) AC_MSG_ERROR([can't compile with default Infinicon headers]);;
810 3) AC_MSG_ERROR([can't compile with Infinicon headers under $IIBPATH]);;
811 *) AC_MSG_ERROR([internal error]);;
816 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
818 AC_SUBST(IIBCPPFLAGS)
825 # check for Voltaire infiniband support
827 AC_DEFUN([LN_CONFIG_VIB],
828 [AC_MSG_CHECKING([whether to enable Voltaire IB support])
831 AC_HELP_STRING([--with-vib=path],
832 [build viblnd against path]),
835 no) AC_MSG_RESULT([no]);;
836 *) VIBPATH="${with_vib}/src/nvigor/ib-code"
837 if test -d "$with_vib" -a -d "$VIBPATH"; then
841 AC_MSG_ERROR([No directory $VIBPATH])
847 if test -z "$VIBPATH"; then
850 VIBCPPFLAGS="-I${VIBPATH}/include -I${VIBPATH}/cm"
851 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
852 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
853 LB_LINUX_TRY_COMPILE([
854 #include <linux/list.h>
855 #include <asm/byteorder.h>
860 #ifdef __LITTLE_ENDIAN
871 ibat_arp_data_t arp_data;
874 vvrc = vv_hca_open("ANY_HCA", NULL, &kib_hca);
875 cep = cm_create_cep(cm_cep_transp_rc);
876 ibatrc = ibat_get_ib_data((uint32_t)0, (uint32_t)0,
877 ibat_paths_primary, &arp_data,
878 (ibat_get_ib_data_reply_fn_t)NULL,
884 AC_MSG_ERROR([can't compile viblnd with given path])
886 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
888 if test -n "$VIBLND"; then
889 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
890 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
891 AC_MSG_CHECKING([if Voltaire still uses void * sg addresses])
892 LB_LINUX_TRY_COMPILE([
893 #include <linux/list.h>
894 #include <asm/byteorder.h>
899 #ifdef __LITTLE_ENDIAN
909 return &sg.v_address[3] == NULL;
912 VIBCPPFLAGS="$VIBCPPFLAGS -DIBNAL_VOIDSTAR_SGADDR=1"
916 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
918 AC_SUBST(VIBCPPFLAGS)
925 # check whether to use the RapidArray lnd
927 AC_DEFUN([LN_CONFIG_RALND],
929 AC_MSG_CHECKING([if RapidArray kernel headers are present])
931 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
932 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
933 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
934 LB_LINUX_TRY_COMPILE([
935 #include <linux/types.h>
939 RAP_PVOID dev_handle;
941 rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
943 return rc == RAP_SUCCESS ? 0 : 1;
952 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
958 # LN_STRUCT_PAGE_LIST
960 # 2.6.4 no longer has page->list
962 AC_DEFUN([LN_STRUCT_PAGE_LIST],
963 [AC_MSG_CHECKING([if struct page has a list field])
964 LB_LINUX_TRY_COMPILE([
965 #include <linux/mm.h>
971 AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
980 # red hat 2.4 adds sighand to struct task_struct
982 AC_DEFUN([LN_STRUCT_SIGHAND],
983 [AC_MSG_CHECKING([if task_struct has a sighand field])
984 LB_LINUX_TRY_COMPILE([
985 #include <linux/sched.h>
987 struct task_struct p;
990 AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
1000 # cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
1002 AC_DEFUN([LN_FUNC_CPU_ONLINE],
1003 [AC_MSG_CHECKING([if kernel defines cpu_online()])
1004 LB_LINUX_TRY_COMPILE([
1005 #include <linux/sched.h>
1009 AC_MSG_RESULT([yes])
1010 AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
1019 # check if gfp_t is typedef-ed
1021 AC_DEFUN([LN_TYPE_GFP_T],
1022 [AC_MSG_CHECKING([if kernel defines gfp_t])
1023 LB_LINUX_TRY_COMPILE([
1024 #include <linux/gfp.h>
1026 return sizeof(gfp_t);
1028 AC_MSG_RESULT([yes])
1029 AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found])
1038 # same goes for cpumask_t
1040 AC_DEFUN([LN_TYPE_CPUMASK_T],
1041 [AC_MSG_CHECKING([if kernel defines cpumask_t])
1042 LB_LINUX_TRY_COMPILE([
1043 #include <linux/sched.h>
1045 return sizeof (cpumask_t);
1047 AC_MSG_RESULT([yes])
1048 AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
1057 # we export show_task(), but not all kernels have it (yet)
1059 AC_DEFUN([LN_FUNC_SHOW_TASK],
1060 [LB_CHECK_SYMBOL_EXPORT([show_task],
1061 [kernel/ksyms.c kernel/sched.c],[
1062 AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
1067 # check userland __u64 type
1068 AC_DEFUN([LN_U64_LONG_LONG],
1069 [AC_MSG_CHECKING([u64 is long long type])
1071 CFLAGS="$CFLAGS -Werror"
1073 #include <linux/types.h>
1075 unsigned long long *data1;
1082 AC_MSG_RESULT([yes])
1083 AC_DEFINE(HAVE_U64_LONG_LONG, 1,
1084 [__u64 is long long type])
1091 # check userland size_t type
1092 AC_DEFUN([LN_SIZE_T_LONG],
1093 [AC_MSG_CHECKING([size_t is unsigned long type])
1095 CFLAGS="$CFLAGS -Werror"
1097 #include <linux/types.h>
1099 unsigned long *data1;
1106 AC_MSG_RESULT([yes])
1107 AC_DEFINE(HAVE_SIZE_T_LONG, 1,
1108 [size_t is long type])
1115 AC_DEFUN([LN_SSIZE_T_LONG],
1116 [AC_MSG_CHECKING([ssize_t is signed long type])
1118 CFLAGS="$CFLAGS -Werror"
1120 #include <linux/types.h>
1129 AC_MSG_RESULT([yes])
1130 AC_DEFINE(HAVE_SSIZE_T_LONG, 1,
1131 [ssize_t is long type])
1140 # 2.6.18 remove tasklist_lock export
1141 AC_DEFUN([LN_TASKLIST_LOCK],
1142 [LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
1144 AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
1145 [tasklist_lock exported])
1150 # 2.6.19 API changes
1151 # kmem_cache_destroy(cachep) return void instead of
1153 AC_DEFUN([LN_KMEM_CACHE_DESTROY_INT],
1154 [AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
1155 LB_LINUX_TRY_COMPILE([
1156 #include <linux/slab.h>
1158 int i = kmem_cache_destroy(NULL);
1161 AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
1162 [kmem_cache_destroy(cachep) return int])
1169 #panic_notifier_list use atomic_notifier operations
1171 AC_DEFUN([LN_ATOMIC_PANIC_NOTIFIER],
1172 [AC_MSG_CHECKING([panic_notifier_list is atomic])
1173 LB_LINUX_TRY_COMPILE([
1174 #include <linux/notifier.h>
1175 #include <linux/kernel.h>
1177 struct atomic_notifier_head panic_notifier_list;
1180 AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1,
1181 [panic_notifier_list is atomic_notifier_head])
1187 # 2.6.20 API change INIT_WORK use 2 args and not
1189 AC_DEFUN([LN_3ARGS_INIT_WORK],
1190 [AC_MSG_CHECKING([check INIT_WORK want 3 args])
1191 LB_LINUX_TRY_COMPILE([
1192 #include <linux/workqueue.h>
1194 struct work_struct work;
1196 INIT_WORK(&work, NULL, NULL);
1199 AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
1200 [INIT_WORK use 3 args and store data inside])
1206 # 2.6.21 api change. 'register_sysctl_table' use only one argument,
1207 # instead of more old which need two.
1208 AC_DEFUN([LN_2ARGS_REGISTER_SYSCTL],
1209 [AC_MSG_CHECKING([check register_sysctl_table want 2 args])
1210 LB_LINUX_TRY_COMPILE([
1211 #include <linux/sysctl.h>
1213 return register_sysctl_table(NULL,0);
1216 AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
1217 [register_sysctl_table want 2 args])
1223 # 2.6.21 marks kmem_cache_t deprecated and uses struct kmem_cache
1225 AC_DEFUN([LN_KMEM_CACHE],
1226 [AC_MSG_CHECKING([check kernel has struct kmem_cache])
1227 tmp_flags="$EXTRA_KCFLAGS"
1228 EXTRA_KCFLAGS="-Werror"
1229 LB_LINUX_TRY_COMPILE([
1230 #include <linux/slab.h>
1231 typedef struct kmem_cache cache_t;
1233 cache_t *cachep = NULL;
1235 kmem_cache_alloc(cachep, 0);
1238 AC_DEFINE(HAVE_KMEM_CACHE, 1,
1239 [kernel has struct kmem_cache])
1243 EXTRA_KCFLAGS="$tmp_flags"
1245 # 2.6.23 lost dtor argument
1246 AC_DEFUN([LN_KMEM_CACHE_CREATE_DTOR],
1247 [AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
1248 LB_LINUX_TRY_COMPILE([
1249 #include <linux/slab.h>
1251 kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
1254 AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
1255 [kmem_cache_create has dtor argument])
1264 # LNet linux kernel checks
1266 AC_DEFUN([LN_PROG_LINUX],
1273 LN_CONFIG_PANIC_DUMPLOG
1294 LN_KMEM_CACHE_DESTROY_INT
1295 LN_ATOMIC_PANIC_NOTIFIER
1299 LN_2ARGS_REGISTER_SYSCTL
1302 LN_KMEM_CACHE_CREATE_DTOR
1310 AC_DEFUN([LN_PROG_DARWIN],
1311 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
1317 # default paths for installed files
1319 AC_DEFUN([LN_PATH_DEFAULTS],
1326 # other configure checks
1328 AC_DEFUN([LN_CONFIGURE],
1329 [# lnet/utils/portals.c
1330 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
1331 AC_CHECK_FUNCS([gethostbyname socket connect])
1333 # lnet/utils/debug.c
1334 AC_CHECK_HEADERS([linux/version.h])
1336 AC_CHECK_TYPE([spinlock_t],
1337 [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
1339 [#include <linux/spinlock.h>])
1341 # lnet/utils/wirecheck.c
1342 AC_CHECK_FUNCS([strnlen])
1344 # -------- Check for required packages --------------
1347 # LC_CONFIG_READLINE
1349 # Build with readline
1351 AC_MSG_CHECKING([whether to enable readline support])
1352 AC_ARG_ENABLE(readline,
1353 AC_HELP_STRING([--disable-readline],
1354 [disable readline support]),
1355 [],[enable_readline='yes'])
1356 AC_MSG_RESULT([$enable_readline])
1358 # -------- check for readline if enabled ----
1359 if test x$enable_readline = xyes ; then
1361 LIBS="-lncurses $LIBS"
1362 AC_CHECK_LIB([readline],[readline],[
1363 LIBREADLINE="-lreadline -lncurses"
1364 AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
1372 AC_SUBST(LIBREADLINE)
1374 AC_MSG_CHECKING([if efence debugging support is requested])
1375 AC_ARG_ENABLE(efence,
1376 AC_HELP_STRING([--enable-efence],
1377 [use efence library]),
1378 [],[enable_efence='no'])
1379 AC_MSG_RESULT([$enable_efence])
1380 if test "$enable_efence" = "yes" ; then
1381 LIBEFENCE="-lefence"
1382 AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
1388 # -------- enable acceptor libwrap (TCP wrappers) support? -------
1389 AC_MSG_CHECKING([if libwrap support is requested])
1390 AC_ARG_ENABLE([libwrap],
1391 AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
1392 [case "${enableval}" in
1393 yes) enable_libwrap=yes ;;
1394 no) enable_libwrap=no ;;
1395 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
1396 esac],[enable_libwrap=no])
1397 AC_MSG_RESULT([$enable_libwrap])
1398 if test x$enable_libwrap = xyes ; then
1400 AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
1406 # -------- check for -lpthread support ----
1407 AC_MSG_CHECKING([whether to use libpthread for lnet library])
1408 AC_ARG_ENABLE([libpthread],
1409 AC_HELP_STRING([--disable-libpthread],
1410 [disable libpthread]),
1411 [],[enable_libpthread=yes])
1412 if test "$enable_libpthread" = "yes" ; then
1413 AC_CHECK_LIB([pthread], [pthread_create],
1414 [ENABLE_LIBPTHREAD="yes"],
1415 [ENABLE_LIBPTHREAD="no"])
1416 if test "$ENABLE_LIBPTHREAD" = "yes" ; then
1417 AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
1418 PTHREAD_LIBS="-lpthread"
1419 AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
1422 AC_MSG_RESULT([no libpthread is found])
1424 AC_SUBST(PTHREAD_LIBS)
1426 AC_MSG_RESULT([no (disabled explicitly)])
1427 ENABLE_LIBPTHREAD="no"
1429 AC_SUBST(ENABLE_LIBPTHREAD)
1431 # ----------------------------------------
1432 # some tests for catamount-like systems
1433 # ----------------------------------------
1434 AC_ARG_ENABLE([sysio_init],
1435 AC_HELP_STRING([--disable-sysio-init],
1436 [call sysio init functions when initializing liblustre]),
1437 [],[enable_sysio_init=yes])
1438 AC_MSG_CHECKING([whether to initialize libsysio])
1439 AC_MSG_RESULT([$enable_sysio_init])
1440 if test x$enable_sysio_init != xno ; then
1441 AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
1444 AC_ARG_ENABLE([urandom],
1445 AC_HELP_STRING([--disable-urandom],
1446 [disable use of /dev/urandom for liblustre]),
1447 [],[enable_urandom=yes])
1448 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
1449 AC_MSG_RESULT([$enable_urandom])
1450 if test x$enable_urandom != xno ; then
1451 AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
1454 # -------- check for -lcap support ----
1455 if test x$enable_liblustre = xyes ; then
1456 AC_CHECK_LIB([cap], [cap_get_proc],
1459 AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
1468 LN_CONFIG_MAX_PAYLOAD
1476 # AM_CONDITOINAL defines for lnet
1478 AC_DEFUN([LN_CONDITIONALS],
1479 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
1480 AM_CONDITIONAL(BUILD_GMLND, test x$GMLND = "xgmlnd")
1481 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
1482 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
1483 AM_CONDITIONAL(BUILD_OPENIBLND, test x$OPENIBLND = "xopeniblnd")
1484 AM_CONDITIONAL(BUILD_CIBLND, test x$CIBLND = "xciblnd")
1485 AM_CONDITIONAL(BUILD_IIBLND, test x$IIBLND = "xiiblnd")
1486 AM_CONDITIONAL(BUILD_VIBLND, test x$VIBLND = "xviblnd")
1487 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
1488 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
1489 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
1490 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
1496 # files that should be generated with AC_OUTPUT
1498 AC_DEFUN([LN_CONFIG_FILES],
1503 lnet/autoconf/Makefile
1505 lnet/include/Makefile
1506 lnet/include/libcfs/Makefile
1507 lnet/include/libcfs/linux/Makefile
1508 lnet/include/lnet/Makefile
1509 lnet/include/lnet/linux/Makefile
1511 lnet/klnds/autoMakefile
1512 lnet/klnds/gmlnd/Makefile
1513 lnet/klnds/mxlnd/autoMakefile
1514 lnet/klnds/mxlnd/Makefile
1515 lnet/klnds/gmlnd/autoMakefile
1516 lnet/klnds/openiblnd/Makefile
1517 lnet/klnds/openiblnd/autoMakefile
1518 lnet/klnds/o2iblnd/Makefile
1519 lnet/klnds/o2iblnd/autoMakefile
1520 lnet/klnds/ciblnd/Makefile
1521 lnet/klnds/ciblnd/autoMakefile
1522 lnet/klnds/iiblnd/Makefile
1523 lnet/klnds/iiblnd/autoMakefile
1524 lnet/klnds/viblnd/Makefile
1525 lnet/klnds/viblnd/autoMakefile
1526 lnet/klnds/qswlnd/Makefile
1527 lnet/klnds/qswlnd/autoMakefile
1528 lnet/klnds/ralnd/Makefile
1529 lnet/klnds/ralnd/autoMakefile
1530 lnet/klnds/socklnd/Makefile
1531 lnet/klnds/socklnd/autoMakefile
1532 lnet/klnds/ptllnd/Makefile
1533 lnet/klnds/ptllnd/autoMakefile
1534 lnet/libcfs/Makefile
1535 lnet/libcfs/autoMakefile
1536 lnet/libcfs/linux/Makefile
1538 lnet/lnet/autoMakefile
1539 lnet/selftest/Makefile
1540 lnet/selftest/autoMakefile
1542 lnet/ulnds/autoMakefile
1543 lnet/ulnds/socklnd/Makefile
1544 lnet/ulnds/ptllnd/Makefile
1547 case $lb_target_os in
1550 lnet/include/libcfs/darwin/Makefile
1551 lnet/include/lnet/darwin/Makefile
1552 lnet/libcfs/darwin/Makefile