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([$with_max_payload_mb])
  13                 CONFIG_LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
  14                 CONFIG_LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
  15         ], [
  16                 AC_MSG_RESULT([no])
  17                 CONFIG_LNET_MAX_PAYLOAD="LNET_MTU"
  18         ])
  19         AC_DEFINE_UNQUOTED(CONFIG_LNET_MAX_PAYLOAD, $CONFIG_LNET_MAX_PAYLOAD,
  20                            [Max LNET payload])
  21 ])
  22
  23 #
  24 # LN_CHECK_GCC_VERSION
  25 #
  26 # Check compiler version
  27 #
  28 AC_DEFUN([LN_CHECK_GCC_VERSION],
  29 [AC_MSG_CHECKING([compiler version])
  30 PTL_CC_VERSION=`$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 >= $PTL_MIN_CC_VERSION])
  41 fi
  42 ])
  43
  44 #
  45 # LN_FUNC_DEV_GET_BY_NAME_2ARG
  46 #
  47 AC_DEFUN([LN_FUNC_DEV_GET_BY_NAME_2ARG],
  48 [AC_MSG_CHECKING([if dev_get_by_name has two args])
  49 LB_LINUX_TRY_COMPILE([
  50         #include <linux/netdevice.h>
  51 ],[
  52         dev_get_by_name(NULL, NULL);
  53 ],[
  54         AC_MSG_RESULT([yes])
  55         AC_DEFINE(HAVE_DEV_GET_BY_NAME_2ARG, 1, [dev_get_by_name has 2 args])
  56 ],[
  57         AC_MSG_RESULT([no])
  58 ])
  59 ])
  60
  61 #
  62 # LN_CONFIG_AFFINITY
  63 #
  64 # check if cpu affinity is available/wanted
  65 #
  66 AC_DEFUN([LN_CONFIG_AFFINITY],
  67 [AC_ARG_ENABLE([affinity],
  68         AC_HELP_STRING([--disable-affinity],
  69                        [disable process/irq affinity]),
  70         [],[enable_affinity='yes'])
  71
  72 AC_MSG_CHECKING([for CPU affinity support])
  73 if test x$enable_affinity = xno ; then
  74         AC_MSG_RESULT([no (by request)])
  75 else
  76         LB_LINUX_TRY_COMPILE([
  77                 #include <linux/sched.h>
  78         ],[
  79                 struct task_struct *t;
  80                 #if HAVE_CPUMASK_T
  81                 cpumask_t     m;
  82                 #else
  83                 unsigned long m;
  84                 #endif
  85                 set_cpus_allowed_ptr(t, &m);
  86         ],[
  87                 AC_DEFINE(CPU_AFFINITY, 1, [kernel has cpu affinity support])
  88                 AC_MSG_RESULT([yes])
  89         ],[
  90                 AC_MSG_RESULT([no (no kernel support)])
  91         ])
  92 fi
  93 ])
  94
  95 #
  96 # LN_CONFIG_BACKOFF
  97 #
  98 # check if tunable tcp backoff is available/wanted
  99 #
 100 AC_DEFUN([LN_CONFIG_BACKOFF],
 101 [AC_MSG_CHECKING([for tunable backoff TCP support])
 102 AC_ARG_ENABLE([backoff],
 103        AC_HELP_STRING([--disable-backoff],
 104                       [disable socknal tunable backoff]),
 105        [],[enable_backoff='yes'])
 106 if test x$enable_backoff = xno ; then
 107        AC_MSG_RESULT([no (by request)])
 108 else
 109        BOCD="`grep -c TCP_BACKOFF $LINUX/include/linux/tcp.h`"
 110        if test "$BOCD" != 0 ; then
 111                AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
 112                AC_MSG_RESULT(yes)
 113                if grep rto_max $LINUX/include/linux/tcp.h|grep -q __u16; then
 114                    AC_DEFINE(SOCKNAL_BACKOFF_MS, 1, [tunable backoff TCP in ms])
 115                fi
 116        else
 117                AC_MSG_RESULT([no (no kernel support)])
 118        fi
 119 fi
 120 ])
 121
 122 #
 123 # LN_CONFIG_USOCKLND
 124 #
 125 # configure support for userspace TCP/IP LND
 126 #
 127 AC_DEFUN([LN_CONFIG_USOCKLND],
 128 [AC_MSG_CHECKING([whether to build usocklnd])
 129 AC_ARG_ENABLE([usocklnd],
 130         AC_HELP_STRING([--disable-usocklnd],
 131                         [disable usocklnd]),
 132         [],[enable_usocklnd='yes'])
 133
 134 if test x$enable_usocklnd = xyes ; then
 135         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
 136                 AC_MSG_RESULT([yes])
 137                 USOCKLND="usocklnd"
 138         else
 139                 AC_MSG_RESULT([no (libpthread not present or disabled)])
 140                 USOCKLND=""
 141         fi
 142 else
 143         AC_MSG_RESULT([no (disabled explicitly)])
 144         USOCKLND=""
 145 fi
 146 AC_SUBST(USOCKLND)
 147 ])
 148
 149 #
 150 # LN_CONFIG_QUADRICS
 151 #
 152 # check if quadrics support is in this kernel
 153 #
 154 AC_DEFUN([LN_CONFIG_QUADRICS],
 155 [AC_MSG_CHECKING([for QsNet sources])
 156 AC_ARG_WITH([qsnet],
 157         AC_HELP_STRING([--with-qsnet=path],
 158                        [set path to qsnet source (default=$LINUX)]),
 159         [QSNET=$with_qsnet],
 160         [QSNET=$LINUX])
 161 AC_MSG_RESULT([$QSNET])
 162
 163 AC_MSG_CHECKING([if quadrics kernel headers are present])
 164 if test -d $QSNET/drivers/net/qsnet ; then
 165         AC_MSG_RESULT([yes])
 166         QSWLND="qswlnd"
 167         AC_MSG_CHECKING([for multirail EKC])
 168         if test -f $QSNET/include/elan/epcomms.h; then
 169                 QSNET=$(readlink --canonicalize $QSNET)
 170                 AC_MSG_RESULT([supported])
 171                 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
 172         else
 173                 AC_MSG_RESULT([not supported])
 174                 AC_MSG_ERROR([Need multirail EKC])
 175         fi
 176
 177         if test x$QSNET = x$LINUX ; then
 178                 LB_LINUX_CONFIG([QSNET],[],[
 179                         LB_LINUX_CONFIG([QSNET_MODULE],[],[
 180                                 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
 181                                 QSWLND=""
 182                                 QSWCPPFLAGS=""
 183                         ])
 184                 ])
 185         fi
 186 else
 187         AC_MSG_RESULT([no])
 188         QSWLND=""
 189         QSWCPPFLAGS=""
 190 fi
 191 AC_SUBST(QSWCPPFLAGS)
 192 AC_SUBST(QSWLND)
 193 ])
 194
 195
 196 #
 197 # LN_CONFIG_MX
 198 #
 199 AC_DEFUN([LN_CONFIG_MX],
 200 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
 201 # set default
 202 MXPATH="/opt/mx"
 203 AC_ARG_WITH([mx],
 204        AC_HELP_STRING([--with-mx=path],
 205                       [build mxlnd against path]),
 206        [
 207                case $with_mx in
 208                yes)    ENABLEMX=2
 209                        ;;
 210                no)     ENABLEMX=0
 211                        ;;
 212                *)      MXPATH=$with_mx
 213                        ENABLEMX=3
 214                        ;;
 215                esac
 216        ],[
 217                ENABLEMX=1
 218        ])
 219 if test $ENABLEMX -eq 0; then
 220        AC_MSG_RESULT([disabled])
 221 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
 222               -f ${MXPATH}/include/mx_kernel_api.h -a \
 223               -f ${MXPATH}/include/mx_pin.h \); then
 224        AC_MSG_RESULT([no])
 225        case $ENABLEMX in
 226        1) ;;
 227        2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
 228        3) AC_MSG_ERROR([bad --with-mx path]);;
 229        *) AC_MSG_ERROR([internal error]);;
 230        esac
 231 else
 232        MXPATH=$(readlink --canonicalize $MXPATH)
 233        MXCPPFLAGS="-I$MXPATH/include"
 234        EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 235        EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
 236        MXLIBS="-L$MXPATH/lib"
 237        LB_LINUX_TRY_COMPILE([
 238                #define MX_KERNEL 1
 239                #include <mx_extensions.h>
 240                #include <myriexpress.h>
 241        ],[
 242                mx_endpoint_t   end;
 243                mx_status_t     status;
 244                mx_request_t    request;
 245                int             result;
 246
 247                mx_init();
 248                mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
 249                mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
 250                mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
 251                mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
 252                return 0;
 253        ],[
 254                AC_MSG_RESULT([yes])
 255                MXLND="mxlnd"
 256        ],[
 257                AC_MSG_RESULT([no])
 258                case $ENABLEMX in
 259                1) ;;
 260                2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
 261                3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
 262                *) AC_MSG_ERROR([internal error]);;
 263                esac
 264                MXLND=""
 265                MXCPPFLAGS=""
 266        ])
 267        EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 268 fi
 269 AC_SUBST(MXCPPFLAGS)
 270 AC_SUBST(MXLIBS)
 271 AC_SUBST(MXLND)
 272 ])
 273
 274
 275
 276 #
 277 # LN_CONFIG_O2IB
 278 #
 279 AC_DEFUN([LN_CONFIG_O2IB],
 280 [AC_MSG_CHECKING([whether to use Compat RDMA])
 281 # set default
 282 AC_ARG_WITH([o2ib],
 283         AC_HELP_STRING([--with-o2ib=path],
 284                        [build o2iblnd against path]),
 285         [
 286                 case $with_o2ib in
 287                 yes)    O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 288                         ENABLEO2IB=2
 289                         ;;
 290                 no)     ENABLEO2IB=0
 291                         ;;
 292                 *)      O2IBPATHS=$with_o2ib
 293                         ENABLEO2IB=3
 294                         ;;
 295                 esac
 296         ],[
 297                 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 298                 ENABLEO2IB=1
 299         ])
 300 if test $ENABLEO2IB -eq 0; then
 301         AC_MSG_RESULT([no])
 302 else
 303         o2ib_found=false
 304         for O2IBPATH in $O2IBPATHS; do
 305                 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
 306                            -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
 307                            -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
 308                            -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
 309                         if test \( -d ${O2IBPATH}/kernel_patches -a \
 310                                    -f ${O2IBPATH}/Makefile \); then
 311                                 AC_MSG_RESULT([no])
 312                                 AC_MSG_ERROR([you appear to be trying to use the OFED distribution's source directory (${O2IBPATH}) rather than the "development/headers" directory which is likely in ${O2IBPATH%-*}])
 313                         fi
 314                         o2ib_found=true
 315                         break
 316                 fi
 317         done
 318         if ! $o2ib_found; then
 319                 AC_MSG_RESULT([no])
 320                 case $ENABLEO2IB in
 321                         1) ;;
 322                         2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
 323                         3) AC_MSG_ERROR([bad --with-o2ib path]);;
 324                         *) AC_MSG_ERROR([internal error]);;
 325                 esac
 326         else
 327                 compatrdma_found=false
 328                 if test -f ${O2IBPATH}/include/linux/compat-2.6.h; then
 329                         compatrdma_found=true
 330                         AC_MSG_RESULT([yes])
 331                         AC_DEFINE(HAVE_COMPAT_RDMA, 1, [compat rdma found])
 332                 else
 333                         AC_MSG_RESULT([no])
 334                 fi
 335                 if ! $compatrdma_found; then
 336                         if test -f $O2IBPATH/config.mk; then
 337                                 . $O2IBPATH/config.mk
 338                         elif test -f $O2IBPATH/ofed_patch.mk; then
 339                                 . $O2IBPATH/ofed_patch.mk
 340                         fi
 341                 else
 342                         case $RHEL_KERNEL_VERSION in
 343                                 2.6.32-358*)
 344                                         EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_4";;
 345                                 2.6.32-431*)
 346                                         EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_RHEL_6_5";;
 347                         esac
 348                 fi
 349                 AC_MSG_CHECKING([whether to use any OFED backport headers])
 350                 if test -n "$BACKPORT_INCLUDES"; then
 351                         OFED_BACKPORT_PATH="$O2IBPATH/${BACKPORT_INCLUDES/*\/kernel_addons/kernel_addons}/"
 352                         EXTRA_OFED_INCLUDE="-I$OFED_BACKPORT_PATH $EXTRA_OFED_INCLUDE"
 353                         AC_MSG_RESULT([yes])
 354                 else
 355                         AC_MSG_RESULT([no])
 356                 fi
 357
 358                 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
 359                 O2IBPATH=$(readlink --canonicalize $O2IBPATH)
 360                 EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include"
 361
 362                 LB_LINUX_TRY_COMPILE([
 363                         #include <linux/version.h>
 364                         #include <linux/pci.h>
 365                         #include <linux/gfp.h>
 366                         #ifdef HAVE_COMPAT_RDMA
 367                         #include <linux/compat-2.6.h>
 368                         #endif
 369                         #include <rdma/rdma_cm.h>
 370                         #include <rdma/ib_cm.h>
 371                         #include <rdma/ib_verbs.h>
 372                         #include <rdma/ib_fmr_pool.h>
 373                 ],[
 374                         struct rdma_cm_id      *cm_idi __attribute__ ((unused));
 375                         struct rdma_conn_param  conn_param __attribute__ ((unused));
 376                         struct ib_device_attr   device_attr __attribute__ ((unused));
 377                         struct ib_qp_attr       qp_attr __attribute__ ((unused));
 378                         struct ib_pool_fmr      pool_fmr __attribute__ ((unused));
 379                         enum   ib_cm_rej_reason rej_reason __attribute__ ((unused));
 380
 381                         rdma_destroy_id(NULL);
 382                 ],[
 383                         AC_MSG_RESULT([yes])
 384                         O2IBLND="o2iblnd"
 385                 ],[
 386                         AC_MSG_RESULT([no])
 387                         case $ENABLEO2IB in
 388                         1) ;;
 389                         2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
 390                         3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
 391                         *) AC_MSG_ERROR([internal error]);;
 392                         esac
 393                         O2IBLND=""
 394                 ])
 395                 # we know at this point that the found OFED source is good
 396                 O2IB_SYMVER=""
 397                 if test $ENABLEO2IB -eq 3 ; then
 398                         # OFED default rpm not handle sles10 Modules.symvers name
 399                         for name in Module.symvers Modules.symvers; do
 400                                 if test -f $O2IBPATH/$name; then
 401                                         O2IB_SYMVER=$name;
 402                                         break;
 403                                 fi
 404                         done
 405                         if test -n "$O2IB_SYMVER"; then
 406                                 AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to $PWD/$SYMVERFILE])
 407                                 # strip out the existing symbols versions first
 408                                 if test -f $PWD/$SYMVERFILE; then
 409                                 egrep -v $(echo $(awk '{ print $2 }' $O2IBPATH/$O2IB_SYMVER) | tr ' ' '|') $PWD/$SYMVERFILE > $PWD/$SYMVERFILE.old
 410                                 else
 411                                     touch $PWD/$SYMVERFILE.old
 412                                 fi
 413                                 cat $PWD/$SYMVERFILE.old $O2IBPATH/$O2IB_SYMVER > $PWD/$SYMVERFILE
 414                                 rm $PWD/$SYMVERFILE.old
 415                         else
 416                                 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
 417                         fi
 418                 fi
 419
 420                 LN_CONFIG_OFED_SPEC
 421         fi
 422 fi
 423
 424 AC_SUBST(EXTRA_OFED_INCLUDE)
 425 AC_SUBST(O2IBLND)
 426
 427 # In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
 428 if test $ENABLEO2IB -ne 0; then
 429         AC_MSG_CHECKING([if rdma_create_id wants four args])
 430         LB_LINUX_TRY_COMPILE([
 431                 #ifdef HAVE_COMPAT_RDMA
 432                 #include <linux/compat-2.6.h>
 433                 #endif
 434                 #include <rdma/rdma_cm.h>
 435         ],[
 436                 rdma_create_id(NULL, NULL, 0, 0);
 437         ],[
 438                 AC_MSG_RESULT([yes])
 439                 AC_DEFINE(HAVE_RDMA_CREATE_ID_4ARG, 1,
 440                         [rdma_create_id wants 4 args])
 441         ],[
 442                 AC_MSG_RESULT([no])
 443         ])
 444 fi
 445 ])
 446
 447 #
 448 # LN_CONFIG_RALND
 449 #
 450 # check whether to use the RapidArray lnd
 451 #
 452 AC_DEFUN([LN_CONFIG_RALND],
 453 [#### Rapid Array
 454 AC_MSG_CHECKING([if RapidArray kernel headers are present])
 455 # placeholder
 456 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
 457 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 458 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
 459 LB_LINUX_TRY_COMPILE([
 460         #include <linux/types.h>
 461         #include <rapl.h>
 462 ],[
 463         RAP_RETURN          rc;
 464         RAP_PVOID           dev_handle;
 465
 466         rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
 467
 468         return rc == RAP_SUCCESS ? 0 : 1;
 469 ],[
 470         AC_MSG_RESULT([yes])
 471         RALND="ralnd"
 472 ],[
 473         AC_MSG_RESULT([no])
 474         RALND=""
 475         RACPPFLAGS=""
 476 ])
 477 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 478 AC_SUBST(RACPPFLAGS)
 479 AC_SUBST(RALND)
 480 ])
 481
 482 #
 483 # LN_CONFIG_GNILND
 484 #
 485 # check whether to use the Gemini Network Interface lnd
 486 #
 487 AC_DEFUN([LN_CONFIG_GNILND],
 488 [#### Gemini Network Interface
 489 AC_MSG_CHECKING([whether to enable GNI lnd])
 490 AC_ARG_ENABLE([gni],
 491         AC_HELP_STRING([--enable-gni],
 492                         [enable GNI lnd]),
 493         [],[enable_gni='no'])
 494 AC_MSG_RESULT([$enable_gni])
 495
 496 if test x$enable_gni = xyes ; then
 497         AC_MSG_CHECKING([if GNI kernel headers are present])
 498         # placeholder
 499         # GNICPPFLAGS was set in spec file
 500         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 501         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $GNICPPFLAGS"
 502         LB_LINUX_TRY_COMPILE([
 503                 #include <linux/types.h>
 504                 #include <gni_pub.h>
 505         ],[
 506                 gni_cdm_handle_t        kgni_domain;
 507                 gni_return_t            rc;
 508                 int                     rrc;
 509
 510                 rc = gni_cdm_create(0, 1, 1, 0, &kgni_domain);
 511
 512                 rrc = (rc == GNI_RC_SUCCESS) ? 0 : 1;
 513
 514                 return rrc;
 515         ],[
 516                 AC_MSG_RESULT([yes])
 517                 GNILND="gnilnd"
 518         ],[
 519                 AC_MSG_RESULT([no])
 520                 AC_MSG_ERROR([can't compile gnilnd with given GNICPPFLAGS: $GNICPPFLAGS])
 521         ])
 522         # at this point, we have gnilnd basic support, now check for extra features
 523         AC_MSG_CHECKING([to use RCA in gnilnd])
 524         LB_LINUX_TRY_COMPILE([
 525                 #include <linux/types.h>
 526                 #include <gni_pub.h>
 527                 #include <krca_lib.h>
 528         ],[
 529                 gni_cdm_handle_t        kgni_domain;
 530                 gni_return_t            rc;
 531                 krca_ticket_t           ticket = KRCA_NULL_TICKET;
 532                 int                     rrc;
 533                 __u32                   nid = 0, nic_addr;
 534
 535                 rc = gni_cdm_create(0, 1, 1, 0, &kgni_domain);
 536
 537                 rrc = (rc == GNI_RC_SUCCESS) ? 0 : 1;
 538
 539                 rrc += krca_nid_to_nicaddrs(nid, 1, &nic_addr);
 540
 541                 rrc += krca_register(&ticket, RCA_MAKE_SERVICE_INDEX(RCA_IO_CLASS, 9), 99, 0);
 542
 543                 return rrc;
 544         ],[
 545                 AC_MSG_RESULT([yes])
 546                 GNICPPFLAGS="$GNICPPFLAGS -DGNILND_USE_RCA=1"
 547                 GNILNDRCA="gnilndrca"
 548         ],[
 549                 AC_MSG_RESULT([no])
 550         ])
 551         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 552 fi
 553 AC_SUBST(GNICPPFLAGS)
 554 AC_SUBST(GNILNDRCA)
 555 AC_SUBST(GNILND)
 556 ])
 557
 558
 559 #
 560 #
 561 # LN_CONFIG_USERSPACE
 562 #
 563 # This is defined but empty because it is called from
 564 # build/autconf/lustre-build.m4 which is shared by all branches.
 565 #
 566 AC_DEFUN([LN_CONFIG_USERSPACE],
 567 [
 568 ])
 569
 570 #
 571 # 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
 572 #
 573 AC_DEFUN([LN_CONFIG_TCP_SENDPAGE],
 574 [AC_MSG_CHECKING([if tcp_sendpage first parameter is socket])
 575 tmp_flags="$EXTRA_KCFLAGS"
 576 EXTRA_KCFLAGS="-Werror"
 577 LB_LINUX_TRY_COMPILE([
 578         #include <linux/net.h>
 579         #include <net/tcp.h>
 580 ],[
 581         tcp_sendpage((struct socket*)0, NULL, 0, 0, 0);
 582 ],[
 583         AC_MSG_RESULT(yes)
 584         AC_DEFINE(HAVE_TCP_SENDPAGE_USE_SOCKET, 1,
 585                   [tcp_sendpage use socket as first parameter])
 586 ],[
 587         AC_MSG_RESULT(no)
 588 ])
 589 EXTRA_KCFLAGS="$tmp_flags"
 590 ])
 591
 592 #
 593 # LN_PROG_LINUX
 594 #
 595 # LNet linux kernel checks
 596 #
 597 AC_DEFUN([LN_PROG_LINUX],
 598 [
 599 LN_FUNC_DEV_GET_BY_NAME_2ARG
 600 LN_CONFIG_AFFINITY
 601 LN_CONFIG_BACKOFF
 602 LN_CONFIG_QUADRICS
 603 LN_CONFIG_O2IB
 604 LN_CONFIG_RALND
 605 LN_CONFIG_GNILND
 606 LN_CONFIG_MX
 607 # 2.6.36
 608 LN_CONFIG_TCP_SENDPAGE
 609 ])
 610
 611 #
 612 # LN_PROG_DARWIN
 613 #
 614 # Darwin checks
 615 #
 616 AC_DEFUN([LN_PROG_DARWIN],
 617 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
 618 ])
 619
 620 #
 621 # LN_PATH_DEFAULTS
 622 #
 623 # default paths for installed files
 624 #
 625 AC_DEFUN([LN_PATH_DEFAULTS],
 626 [
 627 ])
 628
 629 #
 630 # LN_CONFIGURE
 631 #
 632 # other configure checks
 633 #
 634 AC_DEFUN([LN_CONFIGURE],
 635 [# lnet/utils/portals.c
 636 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
 637 AC_CHECK_FUNCS([gethostbyname socket connect])
 638
 639 # lnet/utils/debug.c
 640 AC_CHECK_HEADERS([linux/version.h])
 641
 642 # lnet/utils/wirecheck.c
 643 AC_CHECK_FUNCS([strnlen])
 644
 645 # --------  Check for required packages  --------------
 646
 647 #
 648 # LC_CONFIG_READLINE
 649 #
 650 # Build with readline
 651 #
 652 AC_MSG_CHECKING([whether to enable readline support])
 653 AC_ARG_ENABLE(readline,
 654         AC_HELP_STRING([--disable-readline],
 655                         [disable readline support]),
 656         [],[enable_readline='yes'])
 657 AC_MSG_RESULT([$enable_readline])
 658
 659 # -------- check for readline if enabled ----
 660 if test x$enable_readline = xyes ; then
 661         LIBS_save="$LIBS"
 662         LIBS="-lncurses $LIBS"
 663         AC_CHECK_LIB([readline],[readline],[
 664         LIBREADLINE="-lreadline -lncurses"
 665         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
 666         ],[
 667         LIBREADLINE=""
 668         ])
 669         LIBS="$LIBS_save"
 670 else
 671         LIBREADLINE=""
 672 fi
 673 AC_SUBST(LIBREADLINE)
 674
 675 # -------- enable acceptor libwrap (TCP wrappers) support? -------
 676 AC_MSG_CHECKING([if libwrap support is requested])
 677 AC_ARG_ENABLE([libwrap],
 678         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
 679         [case "${enableval}" in
 680                 yes) enable_libwrap=yes ;;
 681                 no) enable_libwrap=no ;;
 682                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
 683         esac],[enable_libwrap=no])
 684 AC_MSG_RESULT([$enable_libwrap])
 685 if test x$enable_libwrap = xyes ; then
 686         LIBWRAP="-lwrap"
 687         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
 688 else
 689         LIBWRAP=""
 690 fi
 691 AC_SUBST(LIBWRAP)
 692
 693 # ----------------------------------------
 694 # some tests for catamount-like systems
 695 # ----------------------------------------
 696 AC_ARG_ENABLE([sysio_init],
 697         AC_HELP_STRING([--disable-sysio-init],
 698                 [call sysio init functions when initializing liblustre]),
 699         [],[enable_sysio_init=yes])
 700 AC_MSG_CHECKING([whether to initialize libsysio])
 701 AC_MSG_RESULT([$enable_sysio_init])
 702 if test x$enable_sysio_init != xno ; then
 703         AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
 704 fi
 705
 706 AC_ARG_ENABLE([urandom],
 707         AC_HELP_STRING([--disable-urandom],
 708                 [disable use of /dev/urandom for liblustre]),
 709         [],[enable_urandom=yes])
 710 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
 711 AC_MSG_RESULT([$enable_urandom])
 712 if test x$enable_urandom != xno ; then
 713         AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
 714 fi
 715
 716 # -------- check for -lcap support ----
 717 if test x$enable_liblustre = xyes ; then
 718         AC_CHECK_LIB([cap], [cap_get_proc],
 719                 [
 720                         CAP_LIBS="-lcap"
 721                         AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
 722                 ],
 723                 [
 724                         CAP_LIBS=""
 725                 ])
 726         AC_SUBST(CAP_LIBS)
 727
 728 fi
 729
 730 LN_CONFIG_MAX_PAYLOAD
 731 LN_CONFIG_USOCKLND
 732 ])
 733
 734 #
 735 # LN_CONDITIONALS
 736 #
 737 # AM_CONDITOINAL defines for lnet
 738 #
 739 AC_DEFUN([LN_CONDITIONALS],
 740 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
 741 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
 742 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
 743 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
 744 AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
 745 AM_CONDITIONAL(BUILD_GNILND_RCA, test x$GNILNDRCA = "xgnilndrca")
 746 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
 747 ])
 748
 749 #
 750 # LN_CONFIG_FILES
 751 #
 752 # files that should be generated with AC_OUTPUT
 753 #
 754 AC_DEFUN([LN_CONFIG_FILES],
 755 [AC_CONFIG_FILES([
 756 lnet/Kernelenv
 757 lnet/Makefile
 758 lnet/autoMakefile
 759 lnet/autoconf/Makefile
 760 lnet/doc/Makefile
 761 lnet/include/Makefile
 762 lnet/include/lnet/Makefile
 763 lnet/include/lnet/linux/Makefile
 764 lnet/klnds/Makefile
 765 lnet/klnds/autoMakefile
 766 lnet/klnds/mxlnd/autoMakefile
 767 lnet/klnds/mxlnd/Makefile
 768 lnet/klnds/o2iblnd/Makefile
 769 lnet/klnds/o2iblnd/autoMakefile
 770 lnet/klnds/qswlnd/Makefile
 771 lnet/klnds/qswlnd/autoMakefile
 772 lnet/klnds/ralnd/Makefile
 773 lnet/klnds/ralnd/autoMakefile
 774 lnet/klnds/gnilnd/Makefile
 775 lnet/klnds/gnilnd/autoMakefile
 776 lnet/klnds/socklnd/Makefile
 777 lnet/klnds/socklnd/autoMakefile
 778 lnet/lnet/Makefile
 779 lnet/lnet/autoMakefile
 780 lnet/selftest/Makefile
 781 lnet/selftest/autoMakefile
 782 lnet/ulnds/Makefile
 783 lnet/ulnds/autoMakefile
 784 lnet/ulnds/socklnd/Makefile
 785 lnet/utils/Makefile
 786 lnet/include/lnet/darwin/Makefile
 787 ])
 788 ])