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 >= $PTL_MIN_CC_VERSION])
  41 fi
  42 ])
  43
  44 #
  45 # LN_CONFIG_CDEBUG
  46 #
  47 # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
  48 #
  49 AC_DEFUN([LN_CONFIG_CDEBUG],
  50 [
  51 AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
  52 AC_ARG_ENABLE([libcfs_cdebug],
  53         AC_HELP_STRING([--disable-libcfs-cdebug],
  54                         [disable libcfs CDEBUG, CWARN]),
  55         [],[enable_libcfs_cdebug='yes'])
  56 AC_MSG_RESULT([$enable_libcfs_cdebug])
  57 if test x$enable_libcfs_cdebug = xyes; then
  58    AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])
  59 else
  60    AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN])
  61 fi
  62
  63 AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
  64 AC_ARG_ENABLE([libcfs_trace],
  65         AC_HELP_STRING([--disable-libcfs-trace],
  66                         [disable libcfs ENTRY/EXIT]),
  67         [],[enable_libcfs_trace='yes'])
  68 AC_MSG_RESULT([$enable_libcfs_trace])
  69 if test x$enable_libcfs_trace = xyes; then
  70    AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
  71 else
  72    AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
  73 fi
  74
  75 AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
  76 AC_ARG_ENABLE([libcfs_assert],
  77         AC_HELP_STRING([--disable-libcfs-assert],
  78                         [disable libcfs LASSERT, LASSERTF]),
  79         [],[enable_libcfs_assert='yes'])
  80 AC_MSG_RESULT([$enable_libcfs_assert])
  81 if test x$enable_libcfs_assert = xyes; then
  82    AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])
  83 fi
  84 ])
  85
  86 #
  87 # LN_CONFIG_AFFINITY
  88 #
  89 # check if cpu affinity is available/wanted
  90 #
  91 AC_DEFUN([LN_CONFIG_AFFINITY],
  92 [AC_ARG_ENABLE([affinity],
  93         AC_HELP_STRING([--disable-affinity],
  94                        [disable process/irq affinity]),
  95         [],[enable_affinity='yes'])
  96
  97 AC_MSG_CHECKING([for CPU affinity support])
  98 if test x$enable_affinity = xno ; then
  99         AC_MSG_RESULT([no (by request)])
 100 else
 101         LB_LINUX_TRY_COMPILE([
 102                 #include <linux/sched.h>
 103         ],[
 104                 struct task_struct t;
 105                 #if HAVE_CPUMASK_T
 106                 cpumask_t     m;
 107                 #else
 108                 unsigned long m;
 109                 #endif
 110                 set_cpus_allowed(&t, m);
 111         ],[
 112                 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
 113                 AC_MSG_RESULT([yes])
 114         ],[
 115                 AC_MSG_RESULT([no (no kernel support)])
 116         ])
 117 fi
 118 ])
 119
 120 #
 121 # LN_CONFIG_PORTALS
 122 #
 123 # configure support for Portals
 124 #
 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]),
 130         [
 131                 case $with_portals in
 132                         no)     ENABLEPORTALS=0
 133                                 ;;
 134                         *)      PORTALS="${with_portals}"
 135                                 ENABLEPORTALS=1
 136                                 ;;
 137                 esac
 138         ], [
 139                 ENABLEPORTALS=0
 140         ])
 141 PTLLNDCPPFLAGS=""
 142 if test $ENABLEPORTALS -eq 0; then
 143         AC_MSG_RESULT([no])
 144 elif test ! \( -f ${PORTALS}/include/portals/p30.h \); then
 145         AC_MSG_RESULT([no])
 146         AC_MSG_ERROR([bad --with-portals path])
 147 else
 148         AC_MSG_RESULT([$PORTALS])
 149         PTLLNDCPPFLAGS="-I${PORTALS}/include"
 150 fi
 151 AC_SUBST(PTLLNDCPPFLAGS)
 152 ])
 153
 154 #
 155 # LN_CONFIG_BACKOFF
 156 #
 157 # check if tunable tcp backoff is available/wanted
 158 #
 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)])
 167 else
 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])
 171                AC_MSG_RESULT(yes)
 172                if grep rto_max $LINUX/include/linux/tcp.h|grep -q __u16; then
 173                    AC_DEFINE(SOCKNAL_BACKOFF_MS, 1, [tunable backoff TCP in ms])
 174                fi
 175        else
 176                AC_MSG_RESULT([no (no kernel support)])
 177        fi
 178 fi
 179 ])
 180
 181 #
 182 # LN_CONFIG_PANIC_DUMPLOG
 183 #
 184 # check if tunable panic_dumplog is wanted
 185 #
 186 AC_DEFUN([LN_CONFIG_PANIC_DUMPLOG],
 187 [AC_MSG_CHECKING([for tunable panic_dumplog support])
 188 AC_ARG_ENABLE([panic_dumplog],
 189        AC_HELP_STRING([--enable-panic_dumplog],
 190                       [enable panic_dumplog]),
 191        [],[enable_panic_dumplog='no'])
 192 if test x$enable_panic_dumplog = xyes ; then
 193        AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])
 194        AC_MSG_RESULT([yes (by request)])
 195 else
 196        AC_MSG_RESULT([no])
 197 fi
 198 ])
 199
 200 #
 201 # LN_CONFIG_PTLLND
 202 #
 203 # configure support for Portals LND
 204 #
 205 AC_DEFUN([LN_CONFIG_PTLLND],
 206 [
 207 if test -z "$ENABLEPORTALS"; then
 208         LN_CONFIG_PORTALS
 209 fi
 210
 211 AC_MSG_CHECKING([whether to build the kernel portals LND])
 212
 213 PTLLND=""
 214 if test $ENABLEPORTALS -ne 0; then
 215         AC_MSG_RESULT([yes])
 216         PTLLND="ptllnd"
 217 else
 218         AC_MSG_RESULT([no])
 219 fi
 220 AC_SUBST(PTLLND)
 221 ])
 222
 223 #
 224 # LN_CONFIG_UPTLLND
 225 #
 226 # configure support for Portals LND
 227 #
 228 AC_DEFUN([LN_CONFIG_UPTLLND],
 229 [
 230 if test -z "$ENABLEPORTALS"; then
 231         LN_CONFIG_PORTALS
 232 fi
 233
 234 AC_MSG_CHECKING([whether to build the userspace portals LND])
 235
 236 UPTLLND=""
 237 if test $ENABLEPORTALS -ne 0; then
 238         AC_MSG_RESULT([yes])
 239         UPTLLND="ptllnd"
 240 else
 241         AC_MSG_RESULT([no])
 242 fi
 243 AC_SUBST(UPTLLND)
 244 ])
 245
 246 #
 247 # LN_CONFIG_USOCKLND
 248 #
 249 # configure support for userspace TCP/IP LND
 250 #
 251 AC_DEFUN([LN_CONFIG_USOCKLND],
 252 [AC_MSG_CHECKING([whether to build usocklnd])
 253 AC_ARG_ENABLE([usocklnd],
 254         AC_HELP_STRING([--disable-usocklnd],
 255                         [disable usocklnd]),
 256         [],[enable_usocklnd='yes'])
 257
 258 if test x$enable_usocklnd = xyes ; then
 259         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
 260                 AC_MSG_RESULT([yes])
 261                 USOCKLND="usocklnd"
 262         else
 263                 AC_MSG_RESULT([no (libpthread not present or disabled)])
 264                 USOCKLND=""
 265         fi
 266 else
 267         AC_MSG_RESULT([no (disabled explicitly)])
 268         USOCKLND=""
 269 fi
 270 AC_SUBST(USOCKLND)
 271 ])
 272
 273 #
 274 # LN_CONFIG_QUADRICS
 275 #
 276 # check if quadrics support is in this kernel
 277 #
 278 AC_DEFUN([LN_CONFIG_QUADRICS],
 279 [AC_MSG_CHECKING([for QsNet sources])
 280 AC_ARG_WITH([qsnet],
 281         AC_HELP_STRING([--with-qsnet=path],
 282                        [set path to qsnet source (default=$LINUX)]),
 283         [QSNET=$with_qsnet],
 284         [QSNET=$LINUX])
 285 AC_MSG_RESULT([$QSNET])
 286
 287 AC_MSG_CHECKING([if quadrics kernel headers are present])
 288 if test -d $QSNET/drivers/net/qsnet ; then
 289         AC_MSG_RESULT([yes])
 290         QSWLND="qswlnd"
 291         AC_MSG_CHECKING([for multirail EKC])
 292         if test -f $QSNET/include/elan/epcomms.h; then
 293                 AC_MSG_RESULT([supported])
 294                 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
 295         else
 296                 AC_MSG_RESULT([not supported])
 297                 AC_MSG_ERROR([Need multirail EKC])
 298         fi
 299
 300         if test x$QSNET = x$LINUX ; then
 301                 LB_LINUX_CONFIG([QSNET],[],[
 302                         LB_LINUX_CONFIG([QSNET_MODULE],[],[
 303                                 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
 304                                 QSWLND=""
 305                                 QSWCPPFLAGS=""
 306                         ])
 307                 ])
 308         fi
 309 else
 310         AC_MSG_RESULT([no])
 311         QSWLND=""
 312         QSWCPPFLAGS=""
 313 fi
 314 AC_SUBST(QSWCPPFLAGS)
 315 AC_SUBST(QSWLND)
 316 ])
 317
 318 #
 319 # LN_CONFIG_GM
 320 #
 321 # check if GM support is available
 322 #
 323 AC_DEFUN([LN_CONFIG_GM],[
 324 AC_MSG_CHECKING([whether to enable GM support])
 325 AC_ARG_WITH([gm],
 326         AC_HELP_STRING([--with-gm=path-to-gm-source-tree],
 327                        [build gmlnd against path]),
 328         [
 329                 case $with_gm in
 330                 no)    ENABLE_GM=0
 331                        ;;
 332                 *)     ENABLE_GM=1
 333                        GM_SRC="$with_gm"
 334                        ;;
 335                 esac
 336         ],[
 337                 ENABLE_GM=0
 338         ])
 339 AC_ARG_WITH([gm-install],
 340         AC_HELP_STRING([--with-gm-install=path-to-gm-install-tree],
 341                        [say where GM has been installed]),
 342         [
 343                 GM_INSTALL=$with_gm_install
 344         ],[
 345                 GM_INSTALL="/opt/gm"
 346         ])
 347 if test $ENABLE_GM -eq 0; then
 348         AC_MSG_RESULT([no])
 349 else
 350         AC_MSG_RESULT([yes])
 351
 352         GMLND="gmlnd"
 353         GMCPPFLAGS="-I$GM_SRC/include -I$GM_SRC/drivers -I$GM_SRC/drivers/linux/gm"
 354
 355         if test -f $GM_INSTALL/lib/libgm.a -o \
 356                 -f $GM_INSTALL/lib64/libgm.a; then
 357                 GMLIBS="-L$GM_INSTALL/lib -L$GM_INSTALL/lib64"
 358         else
 359                 AC_MSG_ERROR([Cant find GM libraries under $GM_INSTALL])
 360         fi
 361
 362         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 363         EXTRA_KCFLAGS="$GMCPPFLAGS -DGM_KERNEL $EXTRA_KCFLAGS"
 364
 365         AC_MSG_CHECKING([that code using GM compiles with given path])
 366         LB_LINUX_TRY_COMPILE([
 367                 #define GM_STRONG_TYPES 1
 368                 #ifdef VERSION
 369                 #undef VERSION
 370                 #endif
 371                 #include "gm.h"
 372                 #include "gm_internal.h"
 373         ],[
 374                 struct gm_port *port = NULL;
 375                 gm_recv_event_t *rxevent = gm_blocking_receive_no_spin(port);
 376                 return 0;
 377         ],[
 378                 AC_MSG_RESULT([yes])
 379         ],[
 380                 AC_MSG_RESULT([no])
 381                 AC_MSG_ERROR([Bad --with-gm path])
 382         ])
 383
 384         AC_MSG_CHECKING([that GM has gm_register_memory_ex_phys()])
 385         LB_LINUX_TRY_COMPILE([
 386                 #define GM_STRONG_TYPES 1
 387                 #ifdef VERSION
 388                 #undef VERSION
 389                 #endif
 390                 #include "gm.h"
 391                 #include "gm_internal.h"
 392         ],[
 393                 gm_status_t     gmrc;
 394                 struct gm_port *port = NULL;
 395                 gm_u64_t        phys = 0;
 396                 gm_up_t         pvma = 0;
 397
 398                 gmrc = gm_register_memory_ex_phys(port, phys, 100, pvma);
 399                 return 0;
 400         ],[
 401                 AC_MSG_RESULT([yes])
 402         ],[
 403                 AC_MSG_RESULT([no.
 404 Please patch the GM sources as follows...
 405     cd $GM_SRC
 406     patch -p0 < $PWD/lnet/klnds/gmlnd/gm-reg-phys.patch
 407 ...then rebuild and re-install them])
 408                 AC_MSG_ERROR([Can't build GM without gm_register_memory_ex_phys()])
 409         ])
 410
 411         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 412 fi
 413 AC_SUBST(GMCPPFLAGS)
 414 AC_SUBST(GMLIBS)
 415 AC_SUBST(GMLND)
 416 ])
 417
 418
 419 #
 420 # LN_CONFIG_MX
 421 #
 422 AC_DEFUN([LN_CONFIG_MX],
 423 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
 424 # set default
 425 MXPATH="/opt/mx"
 426 AC_ARG_WITH([mx],
 427        AC_HELP_STRING([--with-mx=path],
 428                       [build mxlnd against path]),
 429        [
 430                case $with_mx in
 431                yes)    ENABLEMX=2
 432                        ;;
 433                no)     ENABLEMX=0
 434                        ;;
 435                *)      MXPATH=$with_mx
 436                        ENABLEMX=3
 437                        ;;
 438                esac
 439        ],[
 440                ENABLEMX=1
 441        ])
 442 if test $ENABLEMX -eq 0; then
 443        AC_MSG_RESULT([disabled])
 444 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
 445               -f ${MXPATH}/include/mx_kernel_api.h -a \
 446               -f ${MXPATH}/include/mx_pin.h \); then
 447        AC_MSG_RESULT([no])
 448        case $ENABLEMX in
 449        1) ;;
 450        2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
 451        3) AC_MSG_ERROR([bad --with-mx path]);;
 452        *) AC_MSG_ERROR([internal error]);;
 453        esac
 454 else
 455        MXCPPFLAGS="-I$MXPATH/include"
 456        EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 457        EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
 458        MXLIBS="-L$MXPATH/lib"
 459        LB_LINUX_TRY_COMPILE([
 460                #define MX_KERNEL 1
 461                #include <mx_extensions.h>
 462                #include <myriexpress.h>
 463        ],[
 464                mx_endpoint_t   end;
 465                mx_status_t     status;
 466                mx_request_t    request;
 467                int             result;
 468
 469                mx_init();
 470                mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
 471                mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
 472                mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
 473                mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
 474                return 0;
 475        ],[
 476                AC_MSG_RESULT([yes])
 477                MXLND="mxlnd"
 478        ],[
 479                AC_MSG_RESULT([no])
 480                case $ENABLEMX in
 481                1) ;;
 482                2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
 483                3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
 484                *) AC_MSG_ERROR([internal error]);;
 485                esac
 486                MXLND=""
 487                MXCPPFLAGS=""
 488        ])
 489        EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 490 fi
 491 AC_SUBST(MXCPPFLAGS)
 492 AC_SUBST(MXLIBS)
 493 AC_SUBST(MXLND)
 494 ])
 495
 496
 497
 498 #
 499 # LN_CONFIG_O2IB
 500 #
 501 AC_DEFUN([LN_CONFIG_O2IB],[
 502 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
 503 # set default
 504 AC_ARG_WITH([o2ib],
 505         AC_HELP_STRING([--with-o2ib=path],
 506                        [build o2iblnd against path]),
 507         [
 508                 case $with_o2ib in
 509                 yes)    O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 510                         ENABLEO2IB=2
 511                         ;;
 512                 no)     ENABLEO2IB=0
 513                         ;;
 514                 *)      O2IBPATHS=$with_o2ib
 515                         ENABLEO2IB=3
 516                         ;;
 517                 esac
 518         ],[
 519                 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 520                 ENABLEO2IB=1
 521         ])
 522 if test $ENABLEO2IB -eq 0; then
 523         AC_MSG_RESULT([disabled])
 524 else
 525         o2ib_found=false
 526
 527         for O2IBPATH in $O2IBPATHS; do
 528                 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
 529                            -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
 530                            -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
 531                            -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
 532                         o2ib_found=true
 533                         break
 534                 fi
 535         done
 536
 537         if ! $o2ib_found; then
 538                 AC_MSG_RESULT([no])
 539                 case $ENABLEO2IB in
 540                         1) ;;
 541                         2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
 542                         3) AC_MSG_ERROR([bad --with-o2ib path]);;
 543                         *) AC_MSG_ERROR([internal error]);;
 544                 esac
 545         else
 546                 O2IBCPPFLAGS="-I$O2IBPATH/include"
 547                 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 548                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
 549                 EXTRA_LNET_INCLUDE="$EXTRA_LNET_INCLUDE $O2IBCPPFLAGS"
 550
 551                 LB_LINUX_TRY_COMPILE([
 552                         #include <linux/version.h>
 553                         #include <linux/pci.h>
 554                         #if !HAVE_GFP_T
 555                         typedef int gfp_t;
 556                         #endif
 557                         #include <rdma/rdma_cm.h>
 558                         #include <rdma/ib_cm.h>
 559                         #include <rdma/ib_verbs.h>
 560                         #include <rdma/ib_fmr_pool.h>
 561                 ],[
 562                         struct rdma_cm_id          *cm_id;
 563                         struct rdma_conn_param      conn_param;
 564                         struct ib_device_attr       device_attr;
 565                         struct ib_qp_attr           qp_attr;
 566                         struct ib_pool_fmr          pool_fmr;
 567                         enum   ib_cm_rej_reason     rej_reason;
 568
 569                         cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
 570                         return PTR_ERR(cm_id);
 571                 ],[
 572                         AC_MSG_RESULT([yes])
 573                         O2IBLND="o2iblnd"
 574                 ],[
 575                         AC_MSG_RESULT([no])
 576                         case $ENABLEO2IB in
 577                         1) ;;
 578                         2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
 579                         3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
 580                         *) AC_MSG_ERROR([internal error]);;
 581                         esac
 582                         O2IBLND=""
 583                         O2IBCPPFLAGS=""
 584                 ])
 585                 # we know at this point that the found OFED source is good
 586                 O2IB_SYMVER=""
 587                 if test $ENABLEO2IB -eq 3 ; then
 588                         # OFED default rpm not handle sles10 Modules.symvers name
 589                         for name in Module.symvers Modules.symvers; do
 590                                 if test -f $O2IBPATH/$name; then
 591                                         O2IB_SYMVER=$name;
 592                                         break;
 593                                 fi
 594                         done
 595                         if test -n "$O2IB_SYMVER"; then
 596                                 AC_MSG_NOTICE([adding $O2IBPATH/Module.symvers to $PWD/$SYMVERFILE])
 597                                 # strip out the existing symbols versions first
 598                                 if test -f $PWD/$SYMVERFILE; then
 599                                     egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
 600                                 else
 601                                     touch $PWD/$SYMVERFILE.old
 602                                 fi
 603                                 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
 604                                 rm $PWD/$SYMVERFILE.old
 605                         else
 606                                 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
 607                         fi
 608                 fi
 609
 610                 AC_MSG_CHECKING([for ib_dma_map_single support])
 611                 LB_LINUX_TRY_COMPILE([
 612                         #include <linux/version.h>
 613                         #include <linux/pci.h>
 614                         #if !HAVE_GFP_T
 615                         typedef int gfp_t;
 616                         #endif
 617                         #include <rdma/ib_verbs.h>
 618                 ],[
 619                         ib_dma_map_single(NULL, NULL, 0, 0);
 620                         return 0;
 621                 ],[
 622                         AC_MSG_RESULT(yes)
 623                         AC_DEFINE(HAVE_OFED_IB_DMA_MAP, 1,
 624                                   [ib_dma_map_single defined])
 625                 ],[
 626                         AC_MSG_RESULT(no)
 627                 ])
 628
 629                 AC_MSG_CHECKING([for OFED completion vector])
 630                 LB_LINUX_TRY_COMPILE([
 631                         #include <linux/version.h>
 632                         #include <linux/pci.h>
 633                         #if !HAVE_GFP_T
 634                         typedef int gfp_t;
 635                         #endif
 636                         #include <rdma/ib_verbs.h>
 637                 ],[
 638                         ib_create_cq(NULL, NULL, NULL, NULL, 0, 0);
 639                         return 0;
 640                 ],[
 641                         AC_MSG_RESULT(yes)
 642                         AC_DEFINE(HAVE_OFED_IB_COMP_VECTOR, 1,
 643                                   [has completion vector])
 644                 ],[
 645                         AC_MSG_RESULT(no)
 646                 ])
 647
 648                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 649         fi
 650 fi
 651
 652 AC_SUBST(EXTRA_LNET_INCLUDE)
 653 AC_SUBST(O2IBCPPFLAGS)
 654 AC_SUBST(O2IBLND)
 655 ])
 656
 657 #
 658 # LN_CONFIG_OPENIB
 659 #
 660 # check for OpenIB in the kernel
 661 AC_DEFUN([LN_CONFIG_OPENIB],[
 662 AC_MSG_CHECKING([whether to enable OpenIB support])
 663 # set default
 664 OPENIBPATH="$LINUX/drivers/infiniband"
 665 AC_ARG_WITH([openib],
 666         AC_HELP_STRING([--with-openib=path],
 667                        [build openiblnd against path]),
 668         [
 669                 case $with_openib in
 670                 yes)    ENABLEOPENIB=2
 671                         ;;
 672                 no)     ENABLEOPENIB=0
 673                         ;;
 674                 *)      OPENIBPATH="$with_openib"
 675                         ENABLEOPENIB=3
 676                         ;;
 677                 esac
 678         ],[
 679                 ENABLEOPENIB=1
 680         ])
 681 if test $ENABLEOPENIB -eq 0; then
 682         AC_MSG_RESULT([disabled])
 683 elif test ! \( -f ${OPENIBPATH}/include/ts_ib_core.h -a \
 684                -f ${OPENIBPATH}/include/ts_ib_cm.h -a \
 685                -f ${OPENIBPATH}/include/ts_ib_sa_client.h \); then
 686         AC_MSG_RESULT([no])
 687         case $ENABLEOPENIB in
 688         1) ;;
 689         2) AC_MSG_ERROR([kernel OpenIB headers not present]);;
 690         3) AC_MSG_ERROR([bad --with-openib path]);;
 691         *) AC_MSG_ERROR([internal error]);;
 692         esac
 693 else
 694         case $ENABLEOPENIB in
 695         1|2) OPENIBCPPFLAGS="-I$OPENIBPATH/include -DIN_TREE_BUILD";;
 696         3)   OPENIBCPPFLAGS="-I$OPENIBPATH/include";;
 697         *)   AC_MSG_RESULT([no])
 698              AC_MSG_ERROR([internal error]);;
 699         esac
 700         OPENIBCPPFLAGS="$OPENIBCPPFLAGS -DIB_NTXRXPARAMS=4"
 701         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 702         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
 703         LB_LINUX_TRY_COMPILE([
 704                 #include <ts_ib_core.h>
 705                 #include <ts_ib_cm.h>
 706                 #include <ts_ib_sa_client.h>
 707         ],[
 708                 struct ib_device_properties dev_props;
 709                 struct ib_cm_active_param   cm_active_params;
 710                 tTS_IB_CLIENT_QUERY_TID     tid;
 711                 int                         enum1 = IB_QP_ATTRIBUTE_STATE;
 712                 int                         enum2 = IB_ACCESS_LOCAL_WRITE;
 713                 int                         enum3 = IB_CQ_CALLBACK_INTERRUPT;
 714                 int                         enum4 = IB_CQ_PROVIDER_REARM;
 715                 return 0;
 716         ],[
 717                 AC_MSG_RESULT([yes])
 718                 OPENIBLND="openiblnd"
 719         ],[
 720                 AC_MSG_RESULT([no])
 721                 case $ENABLEOPENIB in
 722                 1) ;;
 723                 2) AC_MSG_ERROR([can't compile with kernel OpenIB headers]);;
 724                 3) AC_MSG_ERROR([can't compile with OpenIB headers under $OPENIBPATH]);;
 725                 *) AC_MSG_ERROR([internal error]);;
 726                 esac
 727                 OPENIBLND=""
 728                 OPENIBCPPFLAGS=""
 729         ])
 730         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 731 fi
 732 AC_SUBST(OPENIBCPPFLAGS)
 733 AC_SUBST(OPENIBLND)
 734 ])
 735
 736 #
 737 # LN_CONFIG_CIBLND
 738 #
 739 AC_DEFUN([LN_CONFIG_CIB],[
 740 AC_MSG_CHECKING([whether to enable Cisco/TopSpin IB support])
 741 # set default
 742 CIBPATH=""
 743 CIBLND=""
 744 AC_ARG_WITH([cib],
 745         AC_HELP_STRING([--with-cib=path],
 746                        [build ciblnd against path]),
 747         [
 748                 case $with_cib in
 749                 no)     AC_MSG_RESULT([no]);;
 750                 *)      CIBPATH="$with_cib"
 751                         if test -d "$CIBPATH"; then
 752                                 AC_MSG_RESULT([yes])
 753                         else
 754                                 AC_MSG_RESULT([no])
 755                                 AC_MSG_ERROR([No directory $CIBPATH])
 756                         fi;;
 757                 esac
 758         ],[
 759                 AC_MSG_RESULT([no])
 760         ])
 761 if test -n "$CIBPATH"; then
 762         CIBCPPFLAGS="-I${CIBPATH}/ib/ts_api_ng/include -I${CIBPATH}/all/kernel_services/include -DUSING_TSAPI"
 763         CIBCPPFLAGS="$CIBCPPFLAGS -DIB_NTXRXPARAMS=3"
 764         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 765         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $CIBCPPFLAGS"
 766         LB_LINUX_TRY_COMPILE([
 767                 #include <ts_ib_core.h>
 768                 #include <ts_ib_cm.h>
 769                 #include <ts_ib_sa_client.h>
 770         ],[
 771                 struct ib_device_properties dev_props;
 772                 struct ib_cm_active_param   cm_active_params;
 773                 tTS_IB_CLIENT_QUERY_TID     tid;
 774                 int                         enum1 = TS_IB_QP_ATTRIBUTE_STATE;
 775                 int                         enum2 = TS_IB_ACCESS_LOCAL_WRITE;
 776                 int                         enum3 = TS_IB_CQ_CALLBACK_INTERRUPT;
 777                 int                         enum4 = TS_IB_CQ_PROVIDER_REARM;
 778                 return 0;
 779         ],[
 780                 CIBLND="ciblnd"
 781         ],[
 782                 AC_MSG_ERROR([can't compile ciblnd with given path])
 783                 CIBCPPFLAGS=""
 784         ])
 785         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 786 fi
 787 AC_SUBST(CIBCPPFLAGS)
 788 AC_SUBST(CIBLND)
 789 ])
 790
 791 #
 792 # LN_CONFIG_IIB
 793 #
 794 # check for infinicon infiniband support
 795 #
 796 AC_DEFUN([LN_CONFIG_IIB],[
 797 AC_MSG_CHECKING([whether to enable Infinicon support])
 798 # set default
 799 IIBPATH="/usr/include"
 800 AC_ARG_WITH([iib],
 801         AC_HELP_STRING([--with-iib=path],
 802                        [build iiblnd against path]),
 803         [
 804                 case $with_iib in
 805                 yes)    ENABLEIIB=2
 806                         ;;
 807                 no)     ENABLEIIB=0
 808                         ;;
 809                 *)      IIBPATH="${with_iib}/include"
 810                         ENABLEIIB=3
 811                         ;;
 812                 esac
 813         ],[
 814                 ENABLEIIB=1
 815         ])
 816 if test $ENABLEIIB -eq 0; then
 817         AC_MSG_RESULT([disabled])
 818 elif test ! \( -f ${IIBPATH}/linux/iba/ibt.h \); then
 819         AC_MSG_RESULT([no])
 820         case $ENABLEIIB in
 821         1) ;;
 822         2) AC_MSG_ERROR([default Infinicon headers not present]);;
 823         3) AC_MSG_ERROR([bad --with-iib path]);;
 824         *) AC_MSG_ERROR([internal error]);;
 825         esac
 826 else
 827         IIBCPPFLAGS="-I$IIBPATH"
 828         if test $IIBPATH != "/usr/include"; then
 829                 # we need /usr/include come what may
 830                 IIBCPPFLAGS="$IIBCPPFLAGS -I/usr/include"
 831         fi
 832         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 833         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
 834         LB_LINUX_TRY_COMPILE([
 835                 #include <linux/iba/ibt.h>
 836         ],[
 837                 IBT_INTERFACE_UNION interfaces;
 838                 FSTATUS             rc;
 839
 840                  rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
 841                                                &interfaces);
 842
 843                 return rc == FSUCCESS ? 0 : 1;
 844         ],[
 845                 AC_MSG_RESULT([yes])
 846                 IIBLND="iiblnd"
 847         ],[
 848                 AC_MSG_RESULT([no])
 849                 case $ENABLEIIB in
 850                 1) ;;
 851                 2) AC_MSG_ERROR([can't compile with default Infinicon headers]);;
 852                 3) AC_MSG_ERROR([can't compile with Infinicon headers under $IIBPATH]);;
 853                 *) AC_MSG_ERROR([internal error]);;
 854                 esac
 855                 IIBLND=""
 856                 IIBCPPFLAGS=""
 857         ])
 858         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 859 fi
 860 AC_SUBST(IIBCPPFLAGS)
 861 AC_SUBST(IIBLND)
 862 ])
 863
 864 #
 865 # LN_CONFIG_VIB
 866 #
 867 # check for Voltaire infiniband support
 868 #
 869 AC_DEFUN([LN_CONFIG_VIB],
 870 [AC_MSG_CHECKING([whether to enable Voltaire IB support])
 871 VIBPATH=""
 872 AC_ARG_WITH([vib],
 873         AC_HELP_STRING([--with-vib=path],
 874                        [build viblnd against path]),
 875         [
 876                 case $with_vib in
 877                 no)     AC_MSG_RESULT([no]);;
 878                 *)      VIBPATH="${with_vib}/src/nvigor/ib-code"
 879                         if test -d "$with_vib" -a -d "$VIBPATH"; then
 880                                 AC_MSG_RESULT([yes])
 881                         else
 882                                 AC_MSG_RESULT([no])
 883                                 AC_MSG_ERROR([No directory $VIBPATH])
 884                         fi;;
 885                 esac
 886         ],[
 887                 AC_MSG_RESULT([no])
 888         ])
 889 if test -z "$VIBPATH"; then
 890         VIBLND=""
 891 else
 892         VIBCPPFLAGS="-I${VIBPATH}/include -I${VIBPATH}/cm"
 893         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 894         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
 895         LB_LINUX_TRY_COMPILE([
 896                 #include <linux/list.h>
 897                 #include <asm/byteorder.h>
 898                 #ifdef __BIG_ENDIAN
 899                 # define CPU_BE 1
 900                 # define CPU_LE 0
 901                 #endif
 902                 #ifdef __LITTLE_ENDIAN
 903                 # define CPU_BE 0
 904                 # define CPU_LE 1
 905                 #endif
 906                 #include <vverbs.h>
 907                 #include <ib-cm.h>
 908                 #include <ibat.h>
 909         ],[
 910                 vv_hca_h_t       kib_hca;
 911                 vv_return_t      vvrc;
 912                 cm_cep_handle_t  cep;
 913                 ibat_arp_data_t  arp_data;
 914                 ibat_stat_t      ibatrc;
 915
 916                 vvrc = vv_hca_open("ANY_HCA", NULL, &kib_hca);
 917                 cep = cm_create_cep(cm_cep_transp_rc);
 918                 ibatrc = ibat_get_ib_data((uint32_t)0, (uint32_t)0,
 919                                           ibat_paths_primary, &arp_data,
 920                                           (ibat_get_ib_data_reply_fn_t)NULL,
 921                                           NULL, 0);
 922                 return 0;
 923         ],[
 924                 VIBLND="viblnd"
 925         ],[
 926                 AC_MSG_ERROR([can't compile viblnd with given path])
 927         ])
 928         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 929 fi
 930 if test -n "$VIBLND"; then
 931         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 932         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
 933         AC_MSG_CHECKING([if Voltaire still uses void * sg addresses])
 934         LB_LINUX_TRY_COMPILE([
 935                 #include <linux/list.h>
 936                 #include <asm/byteorder.h>
 937                 #ifdef __BIG_ENDIAN
 938                 # define CPU_BE 1
 939                 # define CPU_LE 0
 940                 #endif
 941                 #ifdef __LITTLE_ENDIAN
 942                 # define CPU_BE 0
 943                 # define CPU_LE 1
 944                 #endif
 945                 #include <vverbs.h>
 946                 #include <ib-cm.h>
 947                 #include <ibat.h>
 948         ],[
 949                 vv_scatgat_t  sg;
 950
 951                 return &sg.v_address[3] == NULL;
 952         ],[
 953                 AC_MSG_RESULT([yes])
 954                 VIBCPPFLAGS="$VIBCPPFLAGS -DIBNAL_VOIDSTAR_SGADDR=1"
 955         ],[
 956                 AC_MSG_RESULT([no])
 957         ])
 958         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 959 fi
 960 AC_SUBST(VIBCPPFLAGS)
 961 AC_SUBST(VIBLND)
 962 ])
 963
 964 #
 965 # LN_CONFIG_RALND
 966 #
 967 # check whether to use the RapidArray lnd
 968 #
 969 AC_DEFUN([LN_CONFIG_RALND],
 970 [#### Rapid Array
 971 AC_MSG_CHECKING([if RapidArray kernel headers are present])
 972 # placeholder
 973 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
 974 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 975 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
 976 LB_LINUX_TRY_COMPILE([
 977         #include <linux/types.h>
 978         #include <rapl.h>
 979 ],[
 980         RAP_RETURN          rc;
 981         RAP_PVOID           dev_handle;
 982
 983         rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
 984
 985         return rc == RAP_SUCCESS ? 0 : 1;
 986 ],[
 987         AC_MSG_RESULT([yes])
 988         RALND="ralnd"
 989 ],[
 990         AC_MSG_RESULT([no])
 991         RALND=""
 992         RACPPFLAGS=""
 993 ])
 994 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 995 AC_SUBST(RACPPFLAGS)
 996 AC_SUBST(RALND)
 997 ])
 998
 999 #
1000 # LN_STRUCT_PAGE_LIST
1001 #
1002 # 2.6.4 no longer has page->list
1003 #
1004 AC_DEFUN([LN_STRUCT_PAGE_LIST],
1005 [AC_MSG_CHECKING([if struct page has a list field])
1006 LB_LINUX_TRY_COMPILE([
1007         #include <linux/mm.h>
1008 ],[
1009         struct page page;
1010         &page.list;
1011 ],[
1012         AC_MSG_RESULT([yes])
1013         AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
1014 ],[
1015         AC_MSG_RESULT([no])
1016 ])
1017 ])
1018
1019 #
1020 # LN_STRUCT_SIGHAND
1021 #
1022 # red hat 2.4 adds sighand to struct task_struct
1023 #
1024 AC_DEFUN([LN_STRUCT_SIGHAND],
1025 [AC_MSG_CHECKING([if task_struct has a sighand field])
1026 LB_LINUX_TRY_COMPILE([
1027         #include <linux/sched.h>
1028 ],[
1029         struct task_struct p;
1030         p.sighand = NULL;
1031 ],[
1032         AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
1033         AC_MSG_RESULT([yes])
1034 ],[
1035         AC_MSG_RESULT([no])
1036 ])
1037 ])
1038
1039 #
1040 # LN_FUNC_CPU_ONLINE
1041 #
1042 # cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
1043 #
1044 AC_DEFUN([LN_FUNC_CPU_ONLINE],
1045 [AC_MSG_CHECKING([if kernel defines cpu_online()])
1046 LB_LINUX_TRY_COMPILE([
1047         #include <linux/sched.h>
1048 ],[
1049         cpu_online(0);
1050 ],[
1051         AC_MSG_RESULT([yes])
1052         AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
1053 ],[
1054         AC_MSG_RESULT([no])
1055 ])
1056 ])
1057
1058 #
1059 # LN_TYPE_GFP_T
1060 #
1061 # check if gfp_t is typedef-ed
1062 #
1063 AC_DEFUN([LN_TYPE_GFP_T],
1064 [AC_MSG_CHECKING([if kernel defines gfp_t])
1065 LB_LINUX_TRY_COMPILE([
1066         #include <linux/gfp.h>
1067 ],[
1068         return sizeof(gfp_t);
1069 ],[
1070         AC_MSG_RESULT([yes])
1071         AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found])
1072 ],[
1073         AC_MSG_RESULT([no])
1074 ])
1075 ])
1076
1077 #
1078 # LN_TYPE_CPUMASK_T
1079 #
1080 # same goes for cpumask_t
1081 #
1082 AC_DEFUN([LN_TYPE_CPUMASK_T],
1083 [AC_MSG_CHECKING([if kernel defines cpumask_t])
1084 LB_LINUX_TRY_COMPILE([
1085         #include <linux/sched.h>
1086 ],[
1087         return sizeof (cpumask_t);
1088 ],[
1089         AC_MSG_RESULT([yes])
1090         AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
1091 ],[
1092         AC_MSG_RESULT([no])
1093 ])
1094 ])
1095
1096 #
1097 # LN_FUNC_SHOW_TASK
1098 #
1099 # we export show_task(), but not all kernels have it (yet)
1100 #
1101 AC_DEFUN([LN_FUNC_SHOW_TASK],
1102 [LB_CHECK_SYMBOL_EXPORT([show_task],
1103 [kernel/ksyms.c kernel/sched.c],[
1104 AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
1105 ],[
1106 ])
1107 ])
1108
1109 # check userland __u64 type
1110 AC_DEFUN([LN_U64_LONG_LONG],
1111 [AC_MSG_CHECKING([__u64 is long long type])
1112 tmp_flags="$CFLAGS"
1113 CFLAGS="$CFLAGS -Werror"
1114 AC_COMPILE_IFELSE([
1115         #include <linux/types.h>
1116         int main(void) {
1117                 unsigned long long *data1;
1118                 __u64 *data2;
1119
1120                 data1 = data2;
1121                 return 0;
1122         }
1123 ],[
1124         AC_MSG_RESULT([yes])
1125         AC_DEFINE(HAVE_U64_LONG_LONG, 1,
1126                   [__u64 is long long type])
1127 ],[
1128         AC_MSG_RESULT([no])
1129 ])
1130 CFLAGS="$tmp_flags"
1131 ])
1132
1133 # check userland size_t type
1134 AC_DEFUN([LN_SIZE_T_LONG],
1135 [AC_MSG_CHECKING([size_t is unsigned long type])
1136 tmp_flags="$CFLAGS"
1137 CFLAGS="$CFLAGS -Werror"
1138 AC_COMPILE_IFELSE([
1139         #include <linux/types.h>
1140         int main(void) {
1141                 unsigned long *data1;
1142                 size_t *data2;
1143
1144                 data1 = data2;
1145                 return 0;
1146         }
1147 ],[
1148         AC_MSG_RESULT([yes])
1149         AC_DEFINE(HAVE_SIZE_T_LONG, 1,
1150                   [size_t is long type])
1151 ],[
1152         AC_MSG_RESULT([no])
1153 ])
1154 CFLAGS="$tmp_flags"
1155 ])
1156
1157 AC_DEFUN([LN_SSIZE_T_LONG],
1158 [AC_MSG_CHECKING([ssize_t is signed long type])
1159 tmp_flags="$CFLAGS"
1160 CFLAGS="$CFLAGS -Werror"
1161 AC_COMPILE_IFELSE([
1162         #include <linux/types.h>
1163         int main(void) {
1164                 long *data1;
1165                 ssize_t *data2;
1166
1167                 data1 = data2;
1168                 return 0;
1169         }
1170 ],[
1171         AC_MSG_RESULT([yes])
1172         AC_DEFINE(HAVE_SSIZE_T_LONG, 1,
1173                   [ssize_t is long type])
1174 ],[
1175         AC_MSG_RESULT([no])
1176 ])
1177 CFLAGS="$tmp_flags"
1178 ])
1179
1180
1181 # check kernel __le16, __le32 types
1182 AC_DEFUN([LN_LE_TYPES],
1183 [AC_MSG_CHECKING([__le16 and __le32 types are defined])
1184 LB_LINUX_TRY_COMPILE([
1185         #include <linux/types.h>
1186 ],[
1187         __le16 a;
1188         __le32 b;
1189 ],[
1190         AC_MSG_RESULT([yes])
1191         AC_DEFINE(HAVE_LE_TYPES, 1,
1192                   [__le16 and __le32 types are defined])
1193 ],[
1194         AC_MSG_RESULT([no])
1195 ])
1196 ])
1197
1198
1199 # check if task_struct with rcu memeber
1200 AC_DEFUN([LN_TASK_RCU],
1201 [AC_MSG_CHECKING([if task_struct has a rcu field])
1202 LB_LINUX_TRY_COMPILE([
1203         #include <linux/sched.h>
1204 ],[
1205         struct task_struct tsk;
1206
1207         tsk.rcu.next = NULL;
1208 ],[
1209         AC_MSG_RESULT([yes])
1210         AC_DEFINE(HAVE_TASK_RCU, 1,
1211                   [task_struct has rcu field])
1212 ],[
1213         AC_MSG_RESULT([no])
1214 ])
1215 ])
1216
1217 # LN_TASKLIST_LOCK
1218 # 2.6.18 remove tasklist_lock export
1219 AC_DEFUN([LN_TASKLIST_LOCK],
1220 [LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
1221 [kernel/fork.c],[
1222 AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
1223          [tasklist_lock exported])
1224 ],[
1225 ])
1226 ])
1227
1228 # 2.6.19 API changes
1229 # kmem_cache_destroy(cachep) return void instead of
1230 # int
1231 AC_DEFUN([LN_KMEM_CACHE_DESTROY_INT],
1232 [AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
1233 LB_LINUX_TRY_COMPILE([
1234         #include <linux/slab.h>
1235 ],[
1236         int i = kmem_cache_destroy(NULL);
1237 ],[
1238         AC_MSG_RESULT(yes)
1239         AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
1240                 [kmem_cache_destroy(cachep) return int])
1241 ],[
1242         AC_MSG_RESULT(no)
1243 ])
1244 ])
1245
1246 # 2.6.19 API change
1247 #panic_notifier_list use atomic_notifier operations
1248 #
1249 AC_DEFUN([LN_ATOMIC_PANIC_NOTIFIER],
1250 [AC_MSG_CHECKING([panic_notifier_list is atomic])
1251 LB_LINUX_TRY_COMPILE([
1252         #include <linux/notifier.h>
1253         #include <linux/kernel.h>
1254 ],[
1255         struct atomic_notifier_head panic_notifier_list;
1256 ],[
1257         AC_MSG_RESULT(yes)
1258         AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1,
1259                 [panic_notifier_list is atomic_notifier_head])
1260 ],[
1261         AC_MSG_RESULT(no)
1262 ])
1263 ])
1264
1265 # 2.6.20 API change INIT_WORK use 2 args and not
1266 # store data inside
1267 AC_DEFUN([LN_3ARGS_INIT_WORK],
1268 [AC_MSG_CHECKING([check INIT_WORK want 3 args])
1269 LB_LINUX_TRY_COMPILE([
1270         #include <linux/workqueue.h>
1271 ],[
1272         struct work_struct work;
1273
1274         INIT_WORK(&work, NULL, NULL);
1275 ],[
1276         AC_MSG_RESULT(yes)
1277         AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
1278                   [INIT_WORK use 3 args and store data inside])
1279 ],[
1280         AC_MSG_RESULT(no)
1281 ])
1282 ])
1283
1284 # 2.6.21 api change. 'register_sysctl_table' use only one argument,
1285 # instead of more old which need two.
1286 AC_DEFUN([LN_2ARGS_REGISTER_SYSCTL],
1287 [AC_MSG_CHECKING([check register_sysctl_table want 2 args])
1288 LB_LINUX_TRY_COMPILE([
1289         #include <linux/sysctl.h>
1290 ],[
1291         return register_sysctl_table(NULL,0);
1292 ],[
1293         AC_MSG_RESULT(yes)
1294         AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
1295                   [register_sysctl_table want 2 args])
1296 ],[
1297         AC_MSG_RESULT(no)
1298 ])
1299 ])
1300
1301 # 2.6.21 marks kmem_cache_t deprecated and uses struct kmem_cache
1302 # instead
1303 AC_DEFUN([LN_KMEM_CACHE],
1304 [AC_MSG_CHECKING([check kernel has struct kmem_cache])
1305 tmp_flags="$EXTRA_KCFLAGS"
1306 EXTRA_KCFLAGS="-Werror"
1307 LB_LINUX_TRY_COMPILE([
1308         #include <linux/slab.h>
1309         typedef struct kmem_cache cache_t;
1310 ],[
1311         cache_t *cachep = NULL;
1312
1313         kmem_cache_alloc(cachep, 0);
1314 ],[
1315         AC_MSG_RESULT(yes)
1316         AC_DEFINE(HAVE_KMEM_CACHE, 1,
1317                   [kernel has struct kmem_cache])
1318 ],[
1319         AC_MSG_RESULT(no)
1320 ])
1321 EXTRA_KCFLAGS="$tmp_flags"
1322 ])
1323 # 2.6.23 lost dtor argument
1324 AC_DEFUN([LN_KMEM_CACHE_CREATE_DTOR],
1325 [AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
1326 LB_LINUX_TRY_COMPILE([
1327         #include <linux/slab.h>
1328 ],[
1329         kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
1330 ],[
1331         AC_MSG_RESULT(yes)
1332         AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
1333                   [kmem_cache_create has dtor argument])
1334 ],[
1335         AC_MSG_RESULT(no)
1336 ])
1337 ])
1338
1339 # 2.6.24 request not use real numbers for ctl_name
1340 AC_DEFUN([LN_SYSCTL_UNNUMBERED],
1341 [AC_MSG_CHECKING([for CTL_UNNUMBERED])
1342 LB_LINUX_TRY_COMPILE([
1343         #include <linux/sysctl.h>
1344 ],[
1345         #ifndef CTL_UNNUMBERED
1346         #error CTL_UNNUMBERED not exist in kernel
1347         #endif
1348 ],[
1349         AC_MSG_RESULT(yes)
1350         AC_DEFINE(HAVE_SYSCTL_UNNUMBERED, 1,
1351                   [sysctl has CTL_UNNUMBERED])
1352 ],[
1353         AC_MSG_RESULT(no)
1354 ])
1355 ])
1356
1357 # 2.6.24 lost scatterlist->page
1358 AC_DEFUN([LN_SCATTERLIST_SETPAGE],
1359 [AC_MSG_CHECKING([for exist sg_set_page])
1360 LB_LINUX_TRY_COMPILE([
1361         #include <linux/scatterlist.h>
1362 ],[
1363         sg_set_page(NULL,NULL,0,0);
1364 ],[
1365         AC_MSG_RESULT(yes)
1366         AC_DEFINE(HAVE_SCATTERLIST_SETPAGE, 1,
1367                   [struct scatterlist has page member])
1368 ],[
1369         AC_MSG_RESULT(no)
1370 ])
1371 ])
1372
1373 # 2.6.26 use int instead of atomic for sem.count
1374 AC_DEFUN([LN_SEM_COUNT],
1375 [AC_MSG_CHECKING([atomic sem.count])
1376 LB_LINUX_TRY_COMPILE([
1377         #include <asm/semaphore.h>
1378 ],[
1379         struct semaphore s;
1380
1381         atomic_read(&s.count);
1382 ],[
1383         AC_MSG_RESULT(yes)
1384         AC_DEFINE(HAVE_SEM_COUNT_ATOMIC, 1,
1385                   [semaphore counter is atomic])
1386 ],[
1387         AC_MSG_RESULT(no)
1388 ])
1389 ])
1390
1391 #
1392 # LN_FUNC_DUMP_TRACE
1393 #
1394 # 2.6.27 exports dump_trace() so we can dump_stack() on any task
1395 #
1396 AC_DEFUN([LN_FUNC_DUMP_TRACE],
1397 [LB_CHECK_SYMBOL_EXPORT([dump_trace],
1398 [kernel/ksyms.c arch/${LINUX_ARCH%_64}/kernel/traps_64.c],[
1399         AC_DEFINE(HAVE_DUMP_TRACE, 1, [dump_trace is exported])
1400 ],[
1401 ])
1402 ])
1403
1404 # 2.6.27 have second argument to sock_map_fd
1405 AC_DEFUN([LN_SOCK_MAP_FD_2ARG],
1406 [AC_MSG_CHECKING([sock_map_fd have second argument])
1407 LB_LINUX_TRY_COMPILE([
1408         #include <linux/net.h>
1409 ],[
1410         sock_map_fd(NULL, 0);
1411 ],[
1412         AC_MSG_RESULT(yes)
1413         AC_DEFINE(HAVE_SOCK_MAP_FD_2ARG, 1,
1414                   [sock_map_fd have second argument])
1415 ],[
1416         AC_MSG_RESULT(no)
1417 ])
1418 ])
1419
1420 #
1421 # LN_PROG_LINUX
1422 #
1423 # LNet linux kernel checks
1424 #
1425 AC_DEFUN([LN_PROG_LINUX],
1426 [
1427 LN_FUNC_CPU_ONLINE
1428 LN_TYPE_GFP_T
1429 LN_TYPE_CPUMASK_T
1430 LN_CONFIG_AFFINITY
1431 LN_CONFIG_BACKOFF
1432 LN_CONFIG_PANIC_DUMPLOG
1433 LN_CONFIG_QUADRICS
1434 LN_CONFIG_GM
1435 LN_CONFIG_OPENIB
1436 LN_CONFIG_CIB
1437 LN_CONFIG_VIB
1438 LN_CONFIG_IIB
1439 LN_CONFIG_O2IB
1440 LN_CONFIG_RALND
1441 LN_CONFIG_PTLLND
1442 LN_CONFIG_MX
1443
1444 LN_STRUCT_PAGE_LIST
1445 LN_STRUCT_SIGHAND
1446 LN_FUNC_SHOW_TASK
1447 LN_U64_LONG_LONG
1448 LN_SSIZE_T_LONG
1449 LN_SIZE_T_LONG
1450 LN_LE_TYPES
1451 LN_TASK_RCU
1452 # 2.6.18
1453 LN_TASKLIST_LOCK
1454 # 2.6.19
1455 LN_KMEM_CACHE_DESTROY_INT
1456 LN_ATOMIC_PANIC_NOTIFIER
1457 # 2.6.20
1458 LN_3ARGS_INIT_WORK
1459 # 2.6.21
1460 LN_2ARGS_REGISTER_SYSCTL
1461 LN_KMEM_CACHE
1462 # 2.6.23
1463 LN_KMEM_CACHE_CREATE_DTOR
1464 # 2.6.24
1465 LN_SYSCTL_UNNUMBERED
1466 LN_SCATTERLIST_SETPAGE
1467 # 2.6.26
1468 LN_SEM_COUNT
1469 # 2.6.27
1470 LN_SOCK_MAP_FD_2ARG
1471 LN_FUNC_DUMP_TRACE
1472 ])
1473
1474 #
1475 # LN_PROG_DARWIN
1476 #
1477 # Darwin checks
1478 #
1479 AC_DEFUN([LN_PROG_DARWIN],
1480 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
1481 ])
1482
1483 #
1484 # LN_PATH_DEFAULTS
1485 #
1486 # default paths for installed files
1487 #
1488 AC_DEFUN([LN_PATH_DEFAULTS],
1489 [
1490 ])
1491
1492 #
1493 # LN_CONFIGURE
1494 #
1495 # other configure checks
1496 #
1497 AC_DEFUN([LN_CONFIGURE],
1498 [# lnet/utils/portals.c
1499 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
1500 AC_CHECK_FUNCS([gethostbyname socket connect])
1501
1502 # lnet/utils/debug.c
1503 AC_CHECK_HEADERS([linux/version.h])
1504
1505 AC_CHECK_TYPE([spinlock_t],
1506         [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
1507         [],
1508         [#include <linux/spinlock.h>])
1509
1510 # lnet/utils/wirecheck.c
1511 AC_CHECK_FUNCS([strnlen])
1512
1513 # --------  Check for required packages  --------------
1514
1515 #
1516 # LC_CONFIG_READLINE
1517 #
1518 # Build with readline
1519 #
1520 AC_MSG_CHECKING([whether to enable readline support])
1521 AC_ARG_ENABLE(readline,
1522         AC_HELP_STRING([--disable-readline],
1523                         [disable readline support]),
1524         [],[enable_readline='yes'])
1525 AC_MSG_RESULT([$enable_readline])
1526
1527 # -------- check for readline if enabled ----
1528 if test x$enable_readline = xyes ; then
1529         LIBS_save="$LIBS"
1530         LIBS="-lncurses $LIBS"
1531         AC_CHECK_LIB([readline],[readline],[
1532         LIBREADLINE="-lreadline -lncurses"
1533         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
1534         ],[
1535         LIBREADLINE=""
1536         ])
1537         LIBS="$LIBS_save"
1538 else
1539         LIBREADLINE=""
1540 fi
1541 AC_SUBST(LIBREADLINE)
1542
1543 AC_MSG_CHECKING([if efence debugging support is requested])
1544 AC_ARG_ENABLE(efence,
1545         AC_HELP_STRING([--enable-efence],
1546                         [use efence library]),
1547         [],[enable_efence='no'])
1548 AC_MSG_RESULT([$enable_efence])
1549 if test "$enable_efence" = "yes" ; then
1550         LIBEFENCE="-lefence"
1551         AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
1552 else
1553         LIBEFENCE=""
1554 fi
1555 AC_SUBST(LIBEFENCE)
1556
1557 # -------- enable acceptor libwrap (TCP wrappers) support? -------
1558 AC_MSG_CHECKING([if libwrap support is requested])
1559 AC_ARG_ENABLE([libwrap],
1560         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
1561         [case "${enableval}" in
1562                 yes) enable_libwrap=yes ;;
1563                 no) enable_libwrap=no ;;
1564                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
1565         esac],[enable_libwrap=no])
1566 AC_MSG_RESULT([$enable_libwrap])
1567 if test x$enable_libwrap = xyes ; then
1568         LIBWRAP="-lwrap"
1569         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
1570 else
1571         LIBWRAP=""
1572 fi
1573 AC_SUBST(LIBWRAP)
1574
1575 # -------- check for -lpthread support ----
1576 AC_MSG_CHECKING([whether to use libpthread for lnet library])
1577 AC_ARG_ENABLE([libpthread],
1578         AC_HELP_STRING([--disable-libpthread],
1579                 [disable libpthread]),
1580         [],[enable_libpthread=yes])
1581 if test "$enable_libpthread" = "yes" ; then
1582         AC_CHECK_LIB([pthread], [pthread_create],
1583                 [ENABLE_LIBPTHREAD="yes"],
1584                 [ENABLE_LIBPTHREAD="no"])
1585         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
1586                 AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
1587                 PTHREAD_LIBS="-lpthread"
1588                 AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
1589         else
1590                 PTHREAD_LIBS=""
1591                 AC_MSG_RESULT([no libpthread is found])
1592         fi
1593         AC_SUBST(PTHREAD_LIBS)
1594 else
1595         AC_MSG_RESULT([no (disabled explicitly)])
1596         ENABLE_LIBPTHREAD="no"
1597 fi
1598 AC_SUBST(ENABLE_LIBPTHREAD)
1599
1600 # ----------------------------------------
1601 # some tests for catamount-like systems
1602 # ----------------------------------------
1603 AC_ARG_ENABLE([sysio_init],
1604         AC_HELP_STRING([--disable-sysio-init],
1605                 [call sysio init functions when initializing liblustre]),
1606         [],[enable_sysio_init=yes])
1607 AC_MSG_CHECKING([whether to initialize libsysio])
1608 AC_MSG_RESULT([$enable_sysio_init])
1609 if test x$enable_sysio_init != xno ; then
1610         AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
1611 fi
1612
1613 AC_ARG_ENABLE([urandom],
1614         AC_HELP_STRING([--disable-urandom],
1615                 [disable use of /dev/urandom for liblustre]),
1616         [],[enable_urandom=yes])
1617 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
1618 AC_MSG_RESULT([$enable_urandom])
1619 if test x$enable_urandom != xno ; then
1620         AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
1621 fi
1622
1623 # -------- check for -lcap support ----
1624 if test x$enable_liblustre = xyes ; then
1625         AC_CHECK_LIB([cap], [cap_get_proc],
1626                 [
1627                         CAP_LIBS="-lcap"
1628                         AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
1629                 ],
1630                 [
1631                         CAP_LIBS=""
1632                 ])
1633         AC_SUBST(CAP_LIBS)
1634
1635 fi
1636
1637 LN_CONFIG_MAX_PAYLOAD
1638 LN_CONFIG_UPTLLND
1639 LN_CONFIG_USOCKLND
1640 ])
1641
1642 #
1643 # LN_CONDITIONALS
1644 #
1645 # AM_CONDITOINAL defines for lnet
1646 #
1647 AC_DEFUN([LN_CONDITIONALS],
1648 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
1649 AM_CONDITIONAL(BUILD_GMLND, test x$GMLND = "xgmlnd")
1650 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
1651 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
1652 AM_CONDITIONAL(BUILD_OPENIBLND, test x$OPENIBLND = "xopeniblnd")
1653 AM_CONDITIONAL(BUILD_CIBLND, test x$CIBLND = "xciblnd")
1654 AM_CONDITIONAL(BUILD_IIBLND, test x$IIBLND = "xiiblnd")
1655 AM_CONDITIONAL(BUILD_VIBLND, test x$VIBLND = "xviblnd")
1656 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
1657 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
1658 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
1659 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
1660 ])
1661
1662 #
1663 # LN_CONFIG_FILES
1664 #
1665 # files that should be generated with AC_OUTPUT
1666 #
1667 AC_DEFUN([LN_CONFIG_FILES],
1668 [AC_CONFIG_FILES([
1669 lnet/Kernelenv
1670 lnet/Makefile
1671 lnet/autoMakefile
1672 lnet/autoconf/Makefile
1673 lnet/doc/Makefile
1674 lnet/include/Makefile
1675 lnet/include/libcfs/Makefile
1676 lnet/include/libcfs/linux/Makefile
1677 lnet/include/lnet/Makefile
1678 lnet/include/lnet/linux/Makefile
1679 lnet/klnds/Makefile
1680 lnet/klnds/autoMakefile
1681 lnet/klnds/gmlnd/Makefile
1682 lnet/klnds/mxlnd/autoMakefile
1683 lnet/klnds/mxlnd/Makefile
1684 lnet/klnds/gmlnd/autoMakefile
1685 lnet/klnds/openiblnd/Makefile
1686 lnet/klnds/openiblnd/autoMakefile
1687 lnet/klnds/o2iblnd/Makefile
1688 lnet/klnds/o2iblnd/autoMakefile
1689 lnet/klnds/ciblnd/Makefile
1690 lnet/klnds/ciblnd/autoMakefile
1691 lnet/klnds/iiblnd/Makefile
1692 lnet/klnds/iiblnd/autoMakefile
1693 lnet/klnds/viblnd/Makefile
1694 lnet/klnds/viblnd/autoMakefile
1695 lnet/klnds/qswlnd/Makefile
1696 lnet/klnds/qswlnd/autoMakefile
1697 lnet/klnds/ralnd/Makefile
1698 lnet/klnds/ralnd/autoMakefile
1699 lnet/klnds/socklnd/Makefile
1700 lnet/klnds/socklnd/autoMakefile
1701 lnet/klnds/ptllnd/Makefile
1702 lnet/klnds/ptllnd/autoMakefile
1703 lnet/libcfs/Makefile
1704 lnet/libcfs/autoMakefile
1705 lnet/libcfs/linux/Makefile
1706 lnet/lnet/Makefile
1707 lnet/lnet/autoMakefile
1708 lnet/selftest/Makefile
1709 lnet/selftest/autoMakefile
1710 lnet/ulnds/Makefile
1711 lnet/ulnds/autoMakefile
1712 lnet/ulnds/socklnd/Makefile
1713 lnet/ulnds/ptllnd/Makefile
1714 lnet/utils/Makefile
1715 ])
1716 case $lb_target_os in
1717         darwin)
1718                 AC_CONFIG_FILES([
1719 lnet/include/libcfs/darwin/Makefile
1720 lnet/include/lnet/darwin/Makefile
1721 lnet/libcfs/darwin/Makefile
1722 ])
1723                 ;;
1724 esac
1725 ])
1726
1727 #
1728 # LIBCFS stub macros. (These are defined in the libcfs module on HEAD))
1729 #
1730 AC_DEFUN([LIBCFS_PATH_DEFAULTS], [])
1731 AC_DEFUN([LIBCFS_PROG_LINUX], [])
1732 AC_DEFUN([LIBCFS_CONDITIONALS], [])
1733 AC_DEFUN([LIBCFS_CONFIGURE], [])
1734 AC_DEFUN([LIBCFS_CONFIG_FILES], [])