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[fs/lustre-release.git] / lnet / autoconf / lustre-lnet.m4
1 #
2 # LN_CONFIG_MAX_PAYLOAD
3 #
4 # configure maximum payload
5 #
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]),
11         [
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)"
15         ], [
16                 AC_MSG_RESULT([no])
17                 LNET_MAX_PAYLOAD="LNET_MTU"
18         ])
19         AC_DEFINE_UNQUOTED(LNET_MAX_PAYLOAD, $LNET_MAX_PAYLOAD,
20                            [Max LNET payload])
21 ])
22
23 #
24 # LN_CHECK_GCC_VERSION
25 #
26 # Check compiler version
27 #
28 AC_DEFUN([LN_CHECK_GCC_VERSION],
29 [AC_MSG_CHECKING([compiler version])
30 PTL_CC_VERSION=`$CC --version | awk '/^gcc/{print $ 3}'`
31 PTL_MIN_CC_VERSION="3.2.2"
32 v2n() {
33         awk -F. '{printf "%d\n", (($ 1)*100+($ 2))*100+($ 3)}'
34 }
35 if test -z "$PTL_CC_VERSION" -o \
36         `echo $PTL_CC_VERSION | v2n` -ge `echo $PTL_MIN_CC_VERSION | v2n`; then
37         AC_MSG_RESULT([ok])
38 else
39         AC_MSG_RESULT([Buggy compiler found])
40         AC_MSG_ERROR([Need gcc version >= $PTL_MIN_CC_VERSION])
41 fi
42 ])
43
44 #
45 # LN_CONFIG_AFFINITY
46 #
47 # check if cpu affinity is available/wanted
48 #
49 AC_DEFUN([LN_CONFIG_AFFINITY],
50 [AC_ARG_ENABLE([affinity],
51         AC_HELP_STRING([--disable-affinity],
52                        [disable process/irq affinity]),
53         [],[enable_affinity='yes'])
54
55 AC_MSG_CHECKING([for CPU affinity support])
56 if test x$enable_affinity = xno ; then
57         AC_MSG_RESULT([no (by request)])
58 else
59         LB_LINUX_TRY_COMPILE([
60                 #include <linux/sched.h>
61         ],[
62                 struct task_struct t;
63                 #if HAVE_CPUMASK_T
64                 cpumask_t     m;
65                 #else
66                 unsigned long m;
67                 #endif
68                 set_cpus_allowed(&t, m);
69         ],[
70                 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
71                 AC_MSG_RESULT([yes])
72         ],[
73                 AC_MSG_RESULT([no (no kernel support)])
74         ])
75 fi
76 ])
77
78 #
79 # LN_CONFIG_PORTALS
80 #
81 # configure support for Portals
82 #
83 AC_DEFUN([LN_CONFIG_PORTALS],
84 [AC_MSG_CHECKING([for portals])
85 AC_ARG_WITH([portals],
86         AC_HELP_STRING([--with-portals=path],
87                        [set path to portals]),
88         [
89                 case $with_portals in
90                         no)     ENABLEPORTALS=0
91                                 ;;
92                         *)      PORTALS="${with_portals}"
93                                 ENABLEPORTALS=1
94                                 ;;
95                 esac
96         ], [
97                 ENABLEPORTALS=0
98         ])
99 PTLLNDCPPFLAGS=""
100 if test $ENABLEPORTALS -eq 0; then
101         AC_MSG_RESULT([no])
102 elif test ! \( -f ${PORTALS}/include/portals/p30.h \); then
103         AC_MSG_RESULT([no])
104         AC_MSG_ERROR([bad --with-portals path])
105 else
106         AC_MSG_RESULT([$PORTALS])
107         PTLLNDCPPFLAGS="-I${PORTALS}/include"
108 fi
109 AC_SUBST(PTLLNDCPPFLAGS)
110 ])
111
112 #
113 # LN_CONFIG_BACKOFF
114 #
115 # check if tunable tcp backoff is available/wanted
116 #
117 AC_DEFUN([LN_CONFIG_BACKOFF],
118 [AC_MSG_CHECKING([for tunable backoff TCP support])
119 AC_ARG_ENABLE([backoff],
120        AC_HELP_STRING([--disable-backoff],
121                       [disable socknal tunable backoff]),
122        [],[enable_backoff='yes'])
123 if test x$enable_backoff = xno ; then
124        AC_MSG_RESULT([no (by request)])
125 else
126        BOCD="`grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h`"
127        if test "$BOCD" != 0 ; then
128                AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
129                AC_MSG_RESULT(yes)
130                if grep rto_max $LINUX/include/linux/tcp.h|grep -q __u16; then
131                    AC_DEFINE(SOCKNAL_BACKOFF_MS, 1, [tunable backoff TCP in ms])
132                fi
133        else
134                AC_MSG_RESULT([no (no kernel support)])
135        fi
136 fi
137 ])
138
139
140 #
141 # LN_CONFIG_PTLLND
142 #
143 # configure support for Portals LND
144 #
145 AC_DEFUN([LN_CONFIG_PTLLND],
146 [
147 if test -z "$ENABLEPORTALS"; then
148         LN_CONFIG_PORTALS
149 fi
150
151 AC_MSG_CHECKING([whether to build the kernel portals LND])
152
153 PTLLND=""
154 if test $ENABLEPORTALS -ne 0; then
155         AC_MSG_RESULT([yes])
156         PTLLND="ptllnd"
157 else
158         AC_MSG_RESULT([no])
159 fi
160 AC_SUBST(PTLLND)
161 ])
162
163 #
164 # LN_CONFIG_UPTLLND
165 #
166 # configure support for Portals LND
167 #
168 AC_DEFUN([LN_CONFIG_UPTLLND],
169 [
170 if test -z "$ENABLEPORTALS"; then
171         LN_CONFIG_PORTALS
172 fi
173
174 AC_MSG_CHECKING([whether to build the userspace portals LND])
175
176 UPTLLND=""
177 if test $ENABLEPORTALS -ne 0; then
178         AC_MSG_RESULT([yes])
179         UPTLLND="ptllnd"
180 else
181         AC_MSG_RESULT([no])
182 fi
183 AC_SUBST(UPTLLND)
184 ])
185
186 #
187 # LN_CONFIG_USOCKLND
188 #
189 # configure support for userspace TCP/IP LND
190 #
191 AC_DEFUN([LN_CONFIG_USOCKLND],
192 [AC_MSG_CHECKING([whether to build usocklnd])
193 AC_ARG_ENABLE([usocklnd],
194         AC_HELP_STRING([--disable-usocklnd],
195                         [disable usocklnd]),
196         [],[enable_usocklnd='yes'])
197
198 if test x$enable_usocklnd = xyes ; then
199         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
200                 AC_MSG_RESULT([yes])
201                 USOCKLND="usocklnd"
202         else
203                 AC_MSG_RESULT([no (libpthread not present or disabled)])
204                 USOCKLND=""
205         fi
206 else
207         AC_MSG_RESULT([no (disabled explicitly)])
208         USOCKLND=""
209 fi
210 AC_SUBST(USOCKLND)
211 ])
212
213 #
214 # LN_CONFIG_QUADRICS
215 #
216 # check if quadrics support is in this kernel
217 #
218 AC_DEFUN([LN_CONFIG_QUADRICS],
219 [AC_MSG_CHECKING([for QsNet sources])
220 AC_ARG_WITH([qsnet],
221         AC_HELP_STRING([--with-qsnet=path],
222                        [set path to qsnet source (default=$LINUX)]),
223         [QSNET=$with_qsnet],
224         [QSNET=$LINUX])
225 AC_MSG_RESULT([$QSNET])
226
227 AC_MSG_CHECKING([if quadrics kernel headers are present])
228 if test -d $QSNET/drivers/net/qsnet ; then
229         AC_MSG_RESULT([yes])
230         QSWLND="qswlnd"
231         AC_MSG_CHECKING([for multirail EKC])
232         if test -f $QSNET/include/elan/epcomms.h; then
233                 AC_MSG_RESULT([supported])
234                 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
235         else
236                 AC_MSG_RESULT([not supported])
237                 AC_MSG_ERROR([Need multirail EKC])
238         fi
239
240         if test x$QSNET = x$LINUX ; then
241                 LB_LINUX_CONFIG([QSNET],[],[
242                         LB_LINUX_CONFIG([QSNET_MODULE],[],[
243                                 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
244                                 QSWLND=""
245                                 QSWCPPFLAGS=""
246                         ])
247                 ])
248         fi
249 else
250         AC_MSG_RESULT([no])
251         QSWLND=""
252         QSWCPPFLAGS=""
253 fi
254 AC_SUBST(QSWCPPFLAGS)
255 AC_SUBST(QSWLND)
256 ])
257
258 #
259 # LN_CONFIG_GM
260 #
261 # check if GM support is available
262 #
263 AC_DEFUN([LN_CONFIG_GM],[
264 AC_MSG_CHECKING([whether to enable GM support])
265 AC_ARG_WITH([gm],
266         AC_HELP_STRING([--with-gm=path-to-gm-source-tree],
267                        [build gmlnd against path]),
268         [
269                 case $with_gm in
270                 no)    ENABLE_GM=0
271                        ;;
272                 *)     ENABLE_GM=1
273                        GM_SRC="$with_gm"
274                        ;;
275                 esac
276         ],[
277                 ENABLE_GM=0
278         ])
279 AC_ARG_WITH([gm-install],
280         AC_HELP_STRING([--with-gm-install=path-to-gm-install-tree],
281                        [say where GM has been installed]),
282         [
283                 GM_INSTALL=$with_gm_install
284         ],[
285                 GM_INSTALL="/opt/gm"
286         ])
287 if test $ENABLE_GM -eq 0; then
288         AC_MSG_RESULT([no])
289 else
290         AC_MSG_RESULT([yes])
291
292         GMLND="gmlnd"
293         GMCPPFLAGS="-I$GM_SRC/include -I$GM_SRC/drivers -I$GM_SRC/drivers/linux/gm"
294
295         if test -f $GM_INSTALL/lib/libgm.a -o \
296                 -f $GM_INSTALL/lib64/libgm.a; then
297                 GMLIBS="-L$GM_INSTALL/lib -L$GM_INSTALL/lib64"
298         else
299                 AC_MSG_ERROR([Cant find GM libraries under $GM_INSTALL])
300         fi
301
302         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
303         EXTRA_KCFLAGS="$GMCPPFLAGS -DGM_KERNEL $EXTRA_KCFLAGS"
304
305         AC_MSG_CHECKING([that code using GM compiles with given path])
306         LB_LINUX_TRY_COMPILE([
307                 #define GM_STRONG_TYPES 1
308                 #ifdef VERSION
309                 #undef VERSION
310                 #endif
311                 #include "gm.h"
312                 #include "gm_internal.h"
313         ],[
314                 struct gm_port *port = NULL;
315                 gm_recv_event_t *rxevent = gm_blocking_receive_no_spin(port);
316                 return 0;
317         ],[
318                 AC_MSG_RESULT([yes])
319         ],[
320                 AC_MSG_RESULT([no])
321                 AC_MSG_ERROR([Bad --with-gm path])
322         ])
323
324         AC_MSG_CHECKING([that GM has gm_register_memory_ex_phys()])
325         LB_LINUX_TRY_COMPILE([
326                 #define GM_STRONG_TYPES 1
327                 #ifdef VERSION
328                 #undef VERSION
329                 #endif
330                 #include "gm.h"
331                 #include "gm_internal.h"
332         ],[
333                 gm_status_t     gmrc;
334                 struct gm_port *port = NULL;
335                 gm_u64_t        phys = 0;
336                 gm_up_t         pvma = 0;
337
338                 gmrc = gm_register_memory_ex_phys(port, phys, 100, pvma);
339                 return 0;
340         ],[
341                 AC_MSG_RESULT([yes])
342         ],[
343                 AC_MSG_RESULT([no.
344 Please patch the GM sources as follows...
345     cd $GM_SRC
346     patch -p0 < $PWD/lnet/klnds/gmlnd/gm-reg-phys.patch
347 ...then rebuild and re-install them])
348                 AC_MSG_ERROR([Can't build GM without gm_register_memory_ex_phys()])
349         ])
350
351         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
352 fi
353 AC_SUBST(GMCPPFLAGS)
354 AC_SUBST(GMLIBS)
355 AC_SUBST(GMLND)
356 ])
357
358
359 #
360 # LN_CONFIG_MX
361 #
362 AC_DEFUN([LN_CONFIG_MX],
363 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
364 # set default
365 MXPATH="/opt/mx"
366 AC_ARG_WITH([mx],
367        AC_HELP_STRING([--with-mx=path],
368                       [build mxlnd against path]),
369        [
370                case $with_mx in
371                yes)    ENABLEMX=2
372                        ;;
373                no)     ENABLEMX=0
374                        ;;
375                *)      MXPATH=$with_mx
376                        ENABLEMX=3
377                        ;;
378                esac
379        ],[
380                ENABLEMX=1
381        ])
382 if test $ENABLEMX -eq 0; then
383        AC_MSG_RESULT([disabled])
384 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
385               -f ${MXPATH}/include/mx_kernel_api.h -a \
386               -f ${MXPATH}/include/mx_pin.h \); then
387        AC_MSG_RESULT([no])
388        case $ENABLEMX in
389        1) ;;
390        2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
391        3) AC_MSG_ERROR([bad --with-mx path]);;
392        *) AC_MSG_ERROR([internal error]);;
393        esac
394 else
395        MXCPPFLAGS="-I$MXPATH/include"
396        EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
397        EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
398        MXLIBS="-L$MXPATH/lib"
399        LB_LINUX_TRY_COMPILE([
400                #define MX_KERNEL 1
401                #include <mx_extensions.h>
402                #include <myriexpress.h>
403        ],[
404                mx_endpoint_t   end;
405                mx_status_t     status;
406                mx_request_t    request;
407                int             result;
408
409                mx_init();
410                mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
411                mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
412                mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
413                mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
414                return 0;
415        ],[
416                AC_MSG_RESULT([yes])
417                MXLND="mxlnd"
418        ],[
419                AC_MSG_RESULT([no])
420                case $ENABLEMX in
421                1) ;;
422                2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
423                3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
424                *) AC_MSG_ERROR([internal error]);;
425                esac
426                MXLND=""
427                MXCPPFLAGS=""
428        ])
429        EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
430 fi
431 AC_SUBST(MXCPPFLAGS)
432 AC_SUBST(MXLIBS)
433 AC_SUBST(MXLND)
434 ])
435
436
437
438 #
439 # LN_CONFIG_O2IB
440 #
441 AC_DEFUN([LN_CONFIG_O2IB],[
442 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
443 # set default
444 AC_ARG_WITH([o2ib],
445         AC_HELP_STRING([--with-o2ib=path],
446                        [build o2iblnd against path]),
447         [
448                 case $with_o2ib in
449                 yes)    O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
450                         ENABLEO2IB=2
451                         ;;
452                 no)     ENABLEO2IB=0
453                         ;;
454                 *)      O2IBPATHS=$with_o2ib
455                         ENABLEO2IB=3
456                         ;;
457                 esac
458         ],[
459                 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
460                 ENABLEO2IB=1
461         ])
462 if test $ENABLEO2IB -eq 0; then
463         AC_MSG_RESULT([disabled])
464 else
465         o2ib_found=false
466         for O2IBPATH in $O2IBPATHS; do
467                 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
468                            -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
469                            -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
470                            -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
471                         o2ib_found=true
472                         break
473                 fi
474         done
475         if ! $o2ib_found; then
476                 AC_MSG_RESULT([no])
477                 case $ENABLEO2IB in
478                         1) ;;
479                         2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
480                         3) AC_MSG_ERROR([bad --with-o2ib path]);;
481                         *) AC_MSG_ERROR([internal error]);;
482                 esac
483         else
484                 O2IBCPPFLAGS="-I$O2IBPATH/include"
485                 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
486                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
487                 EXTRA_LNET_INCLUDE="$O2IBCPPFLAGS $EXTRA_LNET_INCLUDE"
488                 LB_LINUX_TRY_COMPILE([
489                         #include <linux/version.h>
490                         #include <linux/pci.h>
491                         #if !HAVE_GFP_T
492                         typedef int gfp_t;
493                         #endif
494                         #include <rdma/rdma_cm.h>
495                         #include <rdma/ib_cm.h>
496                         #include <rdma/ib_verbs.h>
497                         #include <rdma/ib_fmr_pool.h>
498                 ],[
499                         struct rdma_cm_id          *cm_id;
500                         struct rdma_conn_param      conn_param;
501                         struct ib_device_attr       device_attr;
502                         struct ib_qp_attr           qp_attr;
503                         struct ib_pool_fmr          pool_fmr;
504                         enum   ib_cm_rej_reason     rej_reason;
505
506                         cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
507                         return PTR_ERR(cm_id);
508                 ],[
509                         AC_MSG_RESULT([yes])
510                         O2IBLND="o2iblnd"
511                 ],[
512                         AC_MSG_RESULT([no])
513                         case $ENABLEO2IB in
514                         1) ;;
515                         2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
516                         3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
517                         *) AC_MSG_ERROR([internal error]);;
518                         esac
519                         O2IBLND=""
520                         O2IBCPPFLAGS=""
521                 ])
522                 # we know at this point that the found OFED source is good
523                 O2IB_SYMVER=""
524                 if test $ENABLEO2IB -eq 3 ; then
525                         # OFED default rpm not handle sles10 Modules.symvers name
526                         for name in Module.symvers Modules.symvers; do
527                                 if test -f $O2IBPATH/$name; then
528                                         O2IB_SYMVER=$name;
529                                         break;
530                                 fi
531                         done
532                         if test -n $O2IB_SYMVER ; then
533                                 AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to $PWD/$SYMVERFILE])
534                                 # strip out the existing symbols versions first
535                                 egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
536                                 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
537                         else
538                                 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
539                         fi
540                 fi
541
542                 LN_CONFIG_OFED_SPEC
543                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
544         fi
545 fi
546
547 AC_SUBST(EXTRA_LNET_INCLUDE)
548 AC_SUBST(O2IBCPPFLAGS)
549 AC_SUBST(O2IBLND)
550 ])
551
552 #
553 # LN_CONFIG_OPENIB
554 #
555 # check for OpenIB in the kernel
556 AC_DEFUN([LN_CONFIG_OPENIB],[
557 AC_MSG_CHECKING([whether to enable OpenIB support])
558 # set default
559 OPENIBPATH="$LINUX/drivers/infiniband"
560 AC_ARG_WITH([openib],
561         AC_HELP_STRING([--with-openib=path],
562                        [build openiblnd against path]),
563         [
564                 case $with_openib in
565                 yes)    ENABLEOPENIB=2
566                         ;;
567                 no)     ENABLEOPENIB=0
568                         ;;
569                 *)      OPENIBPATH="$with_openib"
570                         ENABLEOPENIB=3
571                         ;;
572                 esac
573         ],[
574                 ENABLEOPENIB=1
575         ])
576 if test $ENABLEOPENIB -eq 0; then
577         AC_MSG_RESULT([disabled])
578 elif test ! \( -f ${OPENIBPATH}/include/ts_ib_core.h -a \
579                -f ${OPENIBPATH}/include/ts_ib_cm.h -a \
580                -f ${OPENIBPATH}/include/ts_ib_sa_client.h \); then
581         AC_MSG_RESULT([no])
582         case $ENABLEOPENIB in
583         1) ;;
584         2) AC_MSG_ERROR([kernel OpenIB headers not present]);;
585         3) AC_MSG_ERROR([bad --with-openib path]);;
586         *) AC_MSG_ERROR([internal error]);;
587         esac
588 else
589         case $ENABLEOPENIB in
590         1|2) OPENIBCPPFLAGS="-I$OPENIBPATH/include -DIN_TREE_BUILD";;
591         3)   OPENIBCPPFLAGS="-I$OPENIBPATH/include";;
592         *)   AC_MSG_RESULT([no])
593              AC_MSG_ERROR([internal error]);;
594         esac
595         OPENIBCPPFLAGS="$OPENIBCPPFLAGS -DIB_NTXRXPARAMS=4"
596         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
597         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
598         LB_LINUX_TRY_COMPILE([
599                 #include <ts_ib_core.h>
600                 #include <ts_ib_cm.h>
601                 #include <ts_ib_sa_client.h>
602         ],[
603                 struct ib_device_properties dev_props;
604                 struct ib_cm_active_param   cm_active_params;
605                 tTS_IB_CLIENT_QUERY_TID     tid;
606                 int                         enum1 = IB_QP_ATTRIBUTE_STATE;
607                 int                         enum2 = IB_ACCESS_LOCAL_WRITE;
608                 int                         enum3 = IB_CQ_CALLBACK_INTERRUPT;
609                 int                         enum4 = IB_CQ_PROVIDER_REARM;
610                 return 0;
611         ],[
612                 AC_MSG_RESULT([yes])
613                 OPENIBLND="openiblnd"
614         ],[
615                 AC_MSG_RESULT([no])
616                 case $ENABLEOPENIB in
617                 1) ;;
618                 2) AC_MSG_ERROR([can't compile with kernel OpenIB headers]);;
619                 3) AC_MSG_ERROR([can't compile with OpenIB headers under $OPENIBPATH]);;
620                 *) AC_MSG_ERROR([internal error]);;
621                 esac
622                 OPENIBLND=""
623                 OPENIBCPPFLAGS=""
624         ])
625         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
626 fi
627 AC_SUBST(OPENIBCPPFLAGS)
628 AC_SUBST(OPENIBLND)
629 ])
630
631 #
632 # LN_CONFIG_CIBLND
633 #
634 AC_DEFUN([LN_CONFIG_CIB],[
635 AC_MSG_CHECKING([whether to enable Cisco/TopSpin IB support])
636 # set default
637 CIBPATH=""
638 CIBLND=""
639 AC_ARG_WITH([cib],
640         AC_HELP_STRING([--with-cib=path],
641                        [build ciblnd against path]),
642         [
643                 case $with_cib in
644                 no)     AC_MSG_RESULT([no]);;
645                 *)      CIBPATH="$with_cib"
646                         if test -d "$CIBPATH"; then
647                                 AC_MSG_RESULT([yes])
648                         else
649                                 AC_MSG_RESULT([no])
650                                 AC_MSG_ERROR([No directory $CIBPATH])
651                         fi;;
652                 esac
653         ],[
654                 AC_MSG_RESULT([no])
655         ])
656 if test -n "$CIBPATH"; then
657         CIBCPPFLAGS="-I${CIBPATH}/ib/ts_api_ng/include -I${CIBPATH}/all/kernel_services/include -DUSING_TSAPI"
658         CIBCPPFLAGS="$CIBCPPFLAGS -DIB_NTXRXPARAMS=3"
659         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
660         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $CIBCPPFLAGS"
661         LB_LINUX_TRY_COMPILE([
662                 #include <ts_ib_core.h>
663                 #include <ts_ib_cm.h>
664                 #include <ts_ib_sa_client.h>
665         ],[
666                 struct ib_device_properties dev_props;
667                 struct ib_cm_active_param   cm_active_params;
668                 tTS_IB_CLIENT_QUERY_TID     tid;
669                 int                         enum1 = TS_IB_QP_ATTRIBUTE_STATE;
670                 int                         enum2 = TS_IB_ACCESS_LOCAL_WRITE;
671                 int                         enum3 = TS_IB_CQ_CALLBACK_INTERRUPT;
672                 int                         enum4 = TS_IB_CQ_PROVIDER_REARM;
673                 return 0;
674         ],[
675                 CIBLND="ciblnd"
676         ],[
677                 AC_MSG_ERROR([can't compile ciblnd with given path])
678                 CIBCPPFLAGS=""
679         ])
680         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
681 fi
682 AC_SUBST(CIBCPPFLAGS)
683 AC_SUBST(CIBLND)
684 ])
685
686 #
687 # LN_CONFIG_IIB
688 #
689 # check for infinicon infiniband support
690 #
691 AC_DEFUN([LN_CONFIG_IIB],[
692 AC_MSG_CHECKING([whether to enable Infinicon support])
693 # set default
694 IIBPATH="/usr/include"
695 AC_ARG_WITH([iib],
696         AC_HELP_STRING([--with-iib=path],
697                        [build iiblnd against path]),
698         [
699                 case $with_iib in
700                 yes)    ENABLEIIB=2
701                         ;;
702                 no)     ENABLEIIB=0
703                         ;;
704                 *)      IIBPATH="${with_iib}/include"
705                         ENABLEIIB=3
706                         ;;
707                 esac
708         ],[
709                 ENABLEIIB=1
710         ])
711 if test $ENABLEIIB -eq 0; then
712         AC_MSG_RESULT([disabled])
713 elif test ! \( -f ${IIBPATH}/linux/iba/ibt.h \); then
714         AC_MSG_RESULT([no])
715         case $ENABLEIIB in
716         1) ;;
717         2) AC_MSG_ERROR([default Infinicon headers not present]);;
718         3) AC_MSG_ERROR([bad --with-iib path]);;
719         *) AC_MSG_ERROR([internal error]);;
720         esac
721 else
722         IIBCPPFLAGS="-I$IIBPATH"
723         if test $IIBPATH != "/usr/include"; then
724                 # we need /usr/include come what may
725                 IIBCPPFLAGS="$IIBCPPFLAGS -I/usr/include"
726         fi
727         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
728         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
729         LB_LINUX_TRY_COMPILE([
730                 #include <linux/iba/ibt.h>
731         ],[
732                 IBT_INTERFACE_UNION interfaces;
733                 FSTATUS             rc;
734
735                  rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
736                                                &interfaces);
737
738                 return rc == FSUCCESS ? 0 : 1;
739         ],[
740                 AC_MSG_RESULT([yes])
741                 IIBLND="iiblnd"
742         ],[
743                 AC_MSG_RESULT([no])
744                 case $ENABLEIIB in
745                 1) ;;
746                 2) AC_MSG_ERROR([can't compile with default Infinicon headers]);;
747                 3) AC_MSG_ERROR([can't compile with Infinicon headers under $IIBPATH]);;
748                 *) AC_MSG_ERROR([internal error]);;
749                 esac
750                 IIBLND=""
751                 IIBCPPFLAGS=""
752         ])
753         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
754 fi
755 AC_SUBST(IIBCPPFLAGS)
756 AC_SUBST(IIBLND)
757 ])
758
759 #
760 # LN_CONFIG_VIB
761 #
762 # check for Voltaire infiniband support
763 #
764 AC_DEFUN([LN_CONFIG_VIB],
765 [AC_MSG_CHECKING([whether to enable Voltaire IB support])
766 VIBPATH=""
767 AC_ARG_WITH([vib],
768         AC_HELP_STRING([--with-vib=path],
769                        [build viblnd against path]),
770         [
771                 case $with_vib in
772                 no)     AC_MSG_RESULT([no]);;
773                 *)      VIBPATH="${with_vib}/src/nvigor/ib-code"
774                         if test -d "$with_vib" -a -d "$VIBPATH"; then
775                                 AC_MSG_RESULT([yes])
776                         else
777                                 AC_MSG_RESULT([no])
778                                 AC_MSG_ERROR([No directory $VIBPATH])
779                         fi;;
780                 esac
781         ],[
782                 AC_MSG_RESULT([no])
783         ])
784 if test -z "$VIBPATH"; then
785         VIBLND=""
786 else
787         VIBCPPFLAGS="-I${VIBPATH}/include -I${VIBPATH}/cm"
788         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
789         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
790         LB_LINUX_TRY_COMPILE([
791                 #include <linux/list.h>
792                 #include <asm/byteorder.h>
793                 #ifdef __BIG_ENDIAN
794                 # define CPU_BE 1
795                 # define CPU_LE 0
796                 #endif
797                 #ifdef __LITTLE_ENDIAN
798                 # define CPU_BE 0
799                 # define CPU_LE 1
800                 #endif
801                 #include <vverbs.h>
802                 #include <ib-cm.h>
803                 #include <ibat.h>
804         ],[
805                 vv_hca_h_t       kib_hca;
806                 vv_return_t      vvrc;
807                 cm_cep_handle_t  cep;
808                 ibat_arp_data_t  arp_data;
809                 ibat_stat_t      ibatrc;
810
811                 vvrc = vv_hca_open("ANY_HCA", NULL, &kib_hca);
812                 cep = cm_create_cep(cm_cep_transp_rc);
813                 ibatrc = ibat_get_ib_data((uint32_t)0, (uint32_t)0,
814                                           ibat_paths_primary, &arp_data,
815                                           (ibat_get_ib_data_reply_fn_t)NULL,
816                                           NULL, 0);
817                 return 0;
818         ],[
819                 VIBLND="viblnd"
820         ],[
821                 AC_MSG_ERROR([can't compile viblnd with given path])
822         ])
823         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
824 fi
825 if test -n "$VIBLND"; then
826         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
827         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
828         AC_MSG_CHECKING([if Voltaire still uses void * sg addresses])
829         LB_LINUX_TRY_COMPILE([
830                 #include <linux/list.h>
831                 #include <asm/byteorder.h>
832                 #ifdef __BIG_ENDIAN
833                 # define CPU_BE 1
834                 # define CPU_LE 0
835                 #endif
836                 #ifdef __LITTLE_ENDIAN
837                 # define CPU_BE 0
838                 # define CPU_LE 1
839                 #endif
840                 #include <vverbs.h>
841                 #include <ib-cm.h>
842                 #include <ibat.h>
843         ],[
844                 vv_scatgat_t  sg;
845
846                 return &sg.v_address[3] == NULL;
847         ],[
848                 AC_MSG_RESULT([yes])
849                 VIBCPPFLAGS="$VIBCPPFLAGS -DIBNAL_VOIDSTAR_SGADDR=1"
850         ],[
851                 AC_MSG_RESULT([no])
852         ])
853         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
854 fi
855 AC_SUBST(VIBCPPFLAGS)
856 AC_SUBST(VIBLND)
857 ])
858
859 #
860 # LN_CONFIG_RALND
861 #
862 # check whether to use the RapidArray lnd
863 #
864 AC_DEFUN([LN_CONFIG_RALND],
865 [#### Rapid Array
866 AC_MSG_CHECKING([if RapidArray kernel headers are present])
867 # placeholder
868 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
869 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
870 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
871 LB_LINUX_TRY_COMPILE([
872         #include <linux/types.h>
873         #include <rapl.h>
874 ],[
875         RAP_RETURN          rc;
876         RAP_PVOID           dev_handle;
877
878         rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
879
880         return rc == RAP_SUCCESS ? 0 : 1;
881 ],[
882         AC_MSG_RESULT([yes])
883         RALND="ralnd"
884 ],[
885         AC_MSG_RESULT([no])
886         RALND=""
887         RACPPFLAGS=""
888 ])
889 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
890 AC_SUBST(RACPPFLAGS)
891 AC_SUBST(RALND)
892 ])
893
894
895
896 #
897 # LN_PROG_LINUX
898 #
899 # LNet linux kernel checks
900 #
901 AC_DEFUN([LN_PROG_LINUX],
902 [
903 LN_CONFIG_AFFINITY
904 LN_CONFIG_BACKOFF
905 LN_CONFIG_QUADRICS
906 LN_CONFIG_GM
907 LN_CONFIG_OPENIB
908 LN_CONFIG_CIB
909 LN_CONFIG_VIB
910 LN_CONFIG_IIB
911 LN_CONFIG_O2IB
912 LN_CONFIG_RALND
913 LN_CONFIG_PTLLND
914 LN_CONFIG_MX
915 ])
916
917 #
918 # LN_PROG_DARWIN
919 #
920 # Darwin checks
921 #
922 AC_DEFUN([LN_PROG_DARWIN],
923 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
924 ])
925
926 #
927 # LN_PATH_DEFAULTS
928 #
929 # default paths for installed files
930 #
931 AC_DEFUN([LN_PATH_DEFAULTS],
932 [
933 ])
934
935 #
936 # LN_CONFIGURE
937 #
938 # other configure checks
939 #
940 AC_DEFUN([LN_CONFIGURE],
941 [# lnet/utils/portals.c
942 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
943 AC_CHECK_FUNCS([gethostbyname socket connect])
944
945 # lnet/utils/debug.c
946 AC_CHECK_HEADERS([linux/version.h])
947
948 AC_CHECK_TYPE([spinlock_t],
949         [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
950         [],
951         [#include <linux/spinlock.h>])
952
953 # lnet/utils/wirecheck.c
954 AC_CHECK_FUNCS([strnlen])
955
956 # --------  Check for required packages  --------------
957
958 #
959 # LC_CONFIG_READLINE
960 #
961 # Build with readline
962 #
963 AC_MSG_CHECKING([whether to enable readline support])
964 AC_ARG_ENABLE(readline,
965         AC_HELP_STRING([--disable-readline],
966                         [disable readline support]),
967         [],[enable_readline='yes'])
968 AC_MSG_RESULT([$enable_readline])
969
970 # -------- check for readline if enabled ----
971 if test x$enable_readline = xyes ; then
972         LIBS_save="$LIBS"
973         LIBS="-lncurses $LIBS"
974         AC_CHECK_LIB([readline],[readline],[
975         LIBREADLINE="-lreadline -lncurses"
976         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
977         ],[
978         LIBREADLINE=""
979         ])
980         LIBS="$LIBS_save"
981 else
982         LIBREADLINE=""
983 fi
984 AC_SUBST(LIBREADLINE)
985
986 # -------- enable acceptor libwrap (TCP wrappers) support? -------
987 AC_MSG_CHECKING([if libwrap support is requested])
988 AC_ARG_ENABLE([libwrap],
989         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
990         [case "${enableval}" in
991                 yes) enable_libwrap=yes ;;
992                 no) enable_libwrap=no ;;
993                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
994         esac],[enable_libwrap=no])
995 AC_MSG_RESULT([$enable_libwrap])
996 if test x$enable_libwrap = xyes ; then
997         LIBWRAP="-lwrap"
998         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
999 else
1000         LIBWRAP=""
1001 fi
1002 AC_SUBST(LIBWRAP)
1003
1004 # ----------------------------------------
1005 # some tests for catamount-like systems
1006 # ----------------------------------------
1007 AC_ARG_ENABLE([sysio_init],
1008         AC_HELP_STRING([--disable-sysio-init],
1009                 [call sysio init functions when initializing liblustre]),
1010         [],[enable_sysio_init=yes])
1011 AC_MSG_CHECKING([whether to initialize libsysio])
1012 AC_MSG_RESULT([$enable_sysio_init])
1013 if test x$enable_sysio_init != xno ; then
1014         AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
1015 fi
1016
1017 AC_ARG_ENABLE([urandom],
1018         AC_HELP_STRING([--disable-urandom],
1019                 [disable use of /dev/urandom for liblustre]),
1020         [],[enable_urandom=yes])
1021 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
1022 AC_MSG_RESULT([$enable_urandom])
1023 if test x$enable_urandom != xno ; then
1024         AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
1025 fi
1026
1027 # -------- check for -lcap support ----
1028 if test x$enable_liblustre = xyes ; then
1029         AC_CHECK_LIB([cap], [cap_get_proc],
1030                 [
1031                         CAP_LIBS="-lcap"
1032                         AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
1033                 ],
1034                 [
1035                         CAP_LIBS=""
1036                 ])
1037         AC_SUBST(CAP_LIBS)
1038
1039 fi
1040
1041 LN_CONFIG_MAX_PAYLOAD
1042 LN_CONFIG_UPTLLND
1043 LN_CONFIG_USOCKLND
1044 ])
1045
1046 #
1047 # LN_CONDITIONALS
1048 #
1049 # AM_CONDITOINAL defines for lnet
1050 #
1051 AC_DEFUN([LN_CONDITIONALS],
1052 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
1053 AM_CONDITIONAL(BUILD_GMLND, test x$GMLND = "xgmlnd")
1054 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
1055 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
1056 AM_CONDITIONAL(BUILD_OPENIBLND, test x$OPENIBLND = "xopeniblnd")
1057 AM_CONDITIONAL(BUILD_CIBLND, test x$CIBLND = "xciblnd")
1058 AM_CONDITIONAL(BUILD_IIBLND, test x$IIBLND = "xiiblnd")
1059 AM_CONDITIONAL(BUILD_VIBLND, test x$VIBLND = "xviblnd")
1060 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
1061 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
1062 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
1063 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
1064 ])
1065
1066 #
1067 # LN_CONFIG_FILES
1068 #
1069 # files that should be generated with AC_OUTPUT
1070 #
1071 AC_DEFUN([LN_CONFIG_FILES],
1072 [AC_CONFIG_FILES([
1073 lnet/Kernelenv
1074 lnet/Makefile
1075 lnet/autoMakefile
1076 lnet/autoconf/Makefile
1077 lnet/doc/Makefile
1078 lnet/include/Makefile
1079 lnet/include/lnet/Makefile
1080 lnet/include/lnet/linux/Makefile
1081 lnet/klnds/Makefile
1082 lnet/klnds/autoMakefile
1083 lnet/klnds/gmlnd/Makefile
1084 lnet/klnds/mxlnd/autoMakefile
1085 lnet/klnds/mxlnd/Makefile
1086 lnet/klnds/gmlnd/autoMakefile
1087 lnet/klnds/openiblnd/Makefile
1088 lnet/klnds/openiblnd/autoMakefile
1089 lnet/klnds/o2iblnd/Makefile
1090 lnet/klnds/o2iblnd/autoMakefile
1091 lnet/klnds/ciblnd/Makefile
1092 lnet/klnds/ciblnd/autoMakefile
1093 lnet/klnds/iiblnd/Makefile
1094 lnet/klnds/iiblnd/autoMakefile
1095 lnet/klnds/viblnd/Makefile
1096 lnet/klnds/viblnd/autoMakefile
1097 lnet/klnds/qswlnd/Makefile
1098 lnet/klnds/qswlnd/autoMakefile
1099 lnet/klnds/ralnd/Makefile
1100 lnet/klnds/ralnd/autoMakefile
1101 lnet/klnds/socklnd/Makefile
1102 lnet/klnds/socklnd/autoMakefile
1103 lnet/klnds/ptllnd/Makefile
1104 lnet/klnds/ptllnd/autoMakefile
1105 lnet/lnet/Makefile
1106 lnet/lnet/autoMakefile
1107 lnet/selftest/Makefile
1108 lnet/selftest/autoMakefile
1109 lnet/ulnds/Makefile
1110 lnet/ulnds/autoMakefile
1111 lnet/ulnds/socklnd/Makefile
1112 lnet/ulnds/ptllnd/Makefile
1113 lnet/utils/Makefile
1114 ])
1115 case $lb_target_os in
1116         darwin)
1117                 AC_CONFIG_FILES([
1118 lnet/include/lnet/darwin/Makefile
1119 ])
1120                 ;;
1121 esac
1122 ])