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        else
 173                AC_MSG_RESULT([no (no kernel support)])
 174        fi
 175 fi
 176 ])
 177
 178 #
 179 # LN_CONFIG_PANIC_DUMPLOG
 180 #
 181 # check if tunable panic_dumplog is wanted
 182 #
 183 AC_DEFUN([LN_CONFIG_PANIC_DUMPLOG],
 184 [AC_MSG_CHECKING([for tunable panic_dumplog support])
 185 AC_ARG_ENABLE([panic_dumplog],
 186        AC_HELP_STRING([--enable-panic_dumplog],
 187                       [enable panic_dumplog]),
 188        [],[enable_panic_dumplog='no'])
 189 if test x$enable_panic_dumplog = xyes ; then
 190        AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])
 191        AC_MSG_RESULT([yes (by request)])
 192 else
 193        AC_MSG_RESULT([no])
 194 fi
 195 ])
 196
 197 #
 198 # LN_CONFIG_PTLLND
 199 #
 200 # configure support for Portals LND
 201 #
 202 AC_DEFUN([LN_CONFIG_PTLLND],
 203 [
 204 if test -z "$ENABLEPORTALS"; then
 205         LN_CONFIG_PORTALS
 206 fi
 207
 208 AC_MSG_CHECKING([whether to build the kernel portals LND])
 209
 210 PTLLND=""
 211 if test $ENABLEPORTALS -ne 0; then
 212         AC_MSG_RESULT([yes])
 213         PTLLND="ptllnd"
 214 else
 215         AC_MSG_RESULT([no])
 216 fi
 217 AC_SUBST(PTLLND)
 218 ])
 219
 220 #
 221 # LN_CONFIG_UPTLLND
 222 #
 223 # configure support for Portals LND
 224 #
 225 AC_DEFUN([LN_CONFIG_UPTLLND],
 226 [
 227 if test -z "$ENABLEPORTALS"; then
 228         LN_CONFIG_PORTALS
 229 fi
 230
 231 AC_MSG_CHECKING([whether to build the userspace portals LND])
 232
 233 UPTLLND=""
 234 if test $ENABLEPORTALS -ne 0; then
 235         AC_MSG_RESULT([yes])
 236         UPTLLND="ptllnd"
 237 else
 238         AC_MSG_RESULT([no])
 239 fi
 240 AC_SUBST(UPTLLND)
 241 ])
 242
 243 #
 244 # LN_CONFIG_USOCKLND
 245 #
 246 # configure support for userspace TCP/IP LND
 247 #
 248 AC_DEFUN([LN_CONFIG_USOCKLND],
 249 [AC_MSG_CHECKING([whether to build usocklnd])
 250 AC_ARG_ENABLE([usocklnd],
 251         AC_HELP_STRING([--disable-usocklnd],
 252                         [disable usocklnd]),
 253         [],[enable_usocklnd='yes'])
 254
 255 if test x$enable_usocklnd = xyes ; then
 256         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
 257                 AC_MSG_RESULT([yes])
 258                 USOCKLND="usocklnd"
 259         else
 260                 AC_MSG_RESULT([no (libpthread not present or disabled)])
 261                 USOCKLND=""
 262         fi
 263 else
 264         AC_MSG_RESULT([no (disabled explicitly)])
 265         USOCKLND=""
 266 fi
 267 AC_SUBST(USOCKLND)
 268 ])
 269
 270 #
 271 # LN_CONFIG_QUADRICS
 272 #
 273 # check if quadrics support is in this kernel
 274 #
 275 AC_DEFUN([LN_CONFIG_QUADRICS],
 276 [AC_MSG_CHECKING([for QsNet sources])
 277 AC_ARG_WITH([qsnet],
 278         AC_HELP_STRING([--with-qsnet=path],
 279                        [set path to qsnet source (default=$LINUX)]),
 280         [QSNET=$with_qsnet],
 281         [QSNET=$LINUX])
 282 AC_MSG_RESULT([$QSNET])
 283
 284 AC_MSG_CHECKING([if quadrics kernel headers are present])
 285 if test -d $QSNET/drivers/net/qsnet ; then
 286         AC_MSG_RESULT([yes])
 287         QSWLND="qswlnd"
 288         AC_MSG_CHECKING([for multirail EKC])
 289         if test -f $QSNET/include/elan/epcomms.h; then
 290                 AC_MSG_RESULT([supported])
 291                 QSWCPPFLAGS="-I$QSNET/include -DMULTIRAIL_EKC=1"
 292         else
 293                 AC_MSG_RESULT([not supported])
 294                 AC_MSG_ERROR([Need multirail EKC])
 295         fi
 296
 297         if test x$QSNET = x$LINUX ; then
 298                 LB_LINUX_CONFIG([QSNET],[],[
 299                         LB_LINUX_CONFIG([QSNET_MODULE],[],[
 300                                 AC_MSG_WARN([QSNET is not enabled in this kernel; not building qswlnd.])
 301                                 QSWLND=""
 302                                 QSWCPPFLAGS=""
 303                         ])
 304                 ])
 305         fi
 306 else
 307         AC_MSG_RESULT([no])
 308         QSWLND=""
 309         QSWCPPFLAGS=""
 310 fi
 311 AC_SUBST(QSWCPPFLAGS)
 312 AC_SUBST(QSWLND)
 313 ])
 314
 315 #
 316 # LN_CONFIG_GM
 317 #
 318 # check if GM support is available
 319 #
 320 AC_DEFUN([LN_CONFIG_GM],[
 321 AC_MSG_CHECKING([whether to enable GM support])
 322 AC_ARG_WITH([gm],
 323         AC_HELP_STRING([--with-gm=path-to-gm-source-tree],
 324                        [build gmlnd against path]),
 325         [
 326                 case $with_gm in
 327                 no)    ENABLE_GM=0
 328                        ;;
 329                 *)     ENABLE_GM=1
 330                        GM_SRC="$with_gm"
 331                        ;;
 332                 esac
 333         ],[
 334                 ENABLE_GM=0
 335         ])
 336 AC_ARG_WITH([gm-install],
 337         AC_HELP_STRING([--with-gm-install=path-to-gm-install-tree],
 338                        [say where GM has been installed]),
 339         [
 340                 GM_INSTALL=$with_gm_install
 341         ],[
 342                 GM_INSTALL="/opt/gm"
 343         ])
 344 if test $ENABLE_GM -eq 0; then
 345         AC_MSG_RESULT([no])
 346 else
 347         AC_MSG_RESULT([yes])
 348
 349         GMLND="gmlnd"
 350         GMCPPFLAGS="-I$GM_SRC/include -I$GM_SRC/drivers -I$GM_SRC/drivers/linux/gm"
 351
 352         if test -f $GM_INSTALL/lib/libgm.a -o \
 353                 -f $GM_INSTALL/lib64/libgm.a; then
 354                 GMLIBS="-L$GM_INSTALL/lib -L$GM_INSTALL/lib64"
 355         else
 356                 AC_MSG_ERROR([Cant find GM libraries under $GM_INSTALL])
 357         fi
 358
 359         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 360         EXTRA_KCFLAGS="$GMCPPFLAGS -DGM_KERNEL $EXTRA_KCFLAGS"
 361
 362         AC_MSG_CHECKING([that code using GM compiles with given path])
 363         LB_LINUX_TRY_COMPILE([
 364                 #define GM_STRONG_TYPES 1
 365                 #ifdef VERSION
 366                 #undef VERSION
 367                 #endif
 368                 #include "gm.h"
 369                 #include "gm_internal.h"
 370         ],[
 371                 struct gm_port *port = NULL;
 372                 gm_recv_event_t *rxevent = gm_blocking_receive_no_spin(port);
 373                 return 0;
 374         ],[
 375                 AC_MSG_RESULT([yes])
 376         ],[
 377                 AC_MSG_RESULT([no])
 378                 AC_MSG_ERROR([Bad --with-gm path])
 379         ])
 380
 381         AC_MSG_CHECKING([that GM has gm_register_memory_ex_phys()])
 382         LB_LINUX_TRY_COMPILE([
 383                 #define GM_STRONG_TYPES 1
 384                 #ifdef VERSION
 385                 #undef VERSION
 386                 #endif
 387                 #include "gm.h"
 388                 #include "gm_internal.h"
 389         ],[
 390                 gm_status_t     gmrc;
 391                 struct gm_port *port = NULL;
 392                 gm_u64_t        phys = 0;
 393                 gm_up_t         pvma = 0;
 394
 395                 gmrc = gm_register_memory_ex_phys(port, phys, 100, pvma);
 396                 return 0;
 397         ],[
 398                 AC_MSG_RESULT([yes])
 399         ],[
 400                 AC_MSG_RESULT([no.
 401 Please patch the GM sources as follows...
 402     cd $GM_SRC
 403     patch -p0 < $PWD/lnet/klnds/gmlnd/gm-reg-phys.patch
 404 ...then rebuild and re-install them])
 405                 AC_MSG_ERROR([Can't build GM without gm_register_memory_ex_phys()])
 406         ])
 407
 408         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 409 fi
 410 AC_SUBST(GMCPPFLAGS)
 411 AC_SUBST(GMLIBS)
 412 AC_SUBST(GMLND)
 413 ])
 414
 415
 416 #
 417 # LN_CONFIG_MX
 418 #
 419 AC_DEFUN([LN_CONFIG_MX],
 420 [AC_MSG_CHECKING([whether to enable Myrinet MX support])
 421 # set default
 422 MXPATH="/opt/mx"
 423 AC_ARG_WITH([mx],
 424        AC_HELP_STRING([--with-mx=path],
 425                       [build mxlnd against path]),
 426        [
 427                case $with_mx in
 428                yes)    ENABLEMX=2
 429                        ;;
 430                no)     ENABLEMX=0
 431                        ;;
 432                *)      MXPATH=$with_mx
 433                        ENABLEMX=3
 434                        ;;
 435                esac
 436        ],[
 437                ENABLEMX=1
 438        ])
 439 if test $ENABLEMX -eq 0; then
 440        AC_MSG_RESULT([disabled])
 441 elif test ! \( -f ${MXPATH}/include/myriexpress.h -a \
 442               -f ${MXPATH}/include/mx_kernel_api.h -a \
 443               -f ${MXPATH}/include/mx_pin.h \); then
 444        AC_MSG_RESULT([no])
 445        case $ENABLEMX in
 446        1) ;;
 447        2) AC_MSG_ERROR([Myrinet MX kernel headers not present]);;
 448        3) AC_MSG_ERROR([bad --with-mx path]);;
 449        *) AC_MSG_ERROR([internal error]);;
 450        esac
 451 else
 452        MXCPPFLAGS="-I$MXPATH/include"
 453        EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 454        EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
 455        MXLIBS="-L$MXPATH/lib"
 456        LB_LINUX_TRY_COMPILE([
 457                #define MX_KERNEL 1
 458                #include <mx_extensions.h>
 459                #include <myriexpress.h>
 460        ],[
 461                mx_endpoint_t   end;
 462                mx_status_t     status;
 463                mx_request_t    request;
 464                int             result;
 465
 466                mx_init();
 467                mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
 468                mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
 469                mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
 470                mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
 471                return 0;
 472        ],[
 473                AC_MSG_RESULT([yes])
 474                MXLND="mxlnd"
 475        ],[
 476                AC_MSG_RESULT([no])
 477                case $ENABLEMX in
 478                1) ;;
 479                2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]);;
 480                3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]);;
 481                *) AC_MSG_ERROR([internal error]);;
 482                esac
 483                MXLND=""
 484                MXCPPFLAGS=""
 485        ])
 486        EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 487 fi
 488 AC_SUBST(MXCPPFLAGS)
 489 AC_SUBST(MXLIBS)
 490 AC_SUBST(MXLND)
 491 ])
 492
 493
 494
 495 #
 496 # LN_CONFIG_O2IB
 497 #
 498 AC_DEFUN([LN_CONFIG_O2IB],[
 499 AC_MSG_CHECKING([whether to enable OpenIB gen2 support])
 500 # set default
 501 AC_ARG_WITH([o2ib],
 502         AC_HELP_STRING([--with-o2ib=path],
 503                        [build o2iblnd against path]),
 504         [
 505                 case $with_o2ib in
 506                 yes)    O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 507                         ENABLEO2IB=2
 508                         ;;
 509                 no)     ENABLEO2IB=0
 510                         ;;
 511                 *)      O2IBPATHS=$with_o2ib
 512                         ENABLEO2IB=3
 513                         ;;
 514                 esac
 515         ],[
 516                 O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
 517                 ENABLEO2IB=1
 518         ])
 519 if test $ENABLEO2IB -eq 0; then
 520         AC_MSG_RESULT([disabled])
 521 else
 522         o2ib_found=false
 523         for O2IBPATH in $O2IBPATHS; do
 524                 if test \( -f ${O2IBPATH}/include/rdma/rdma_cm.h -a \
 525                            -f ${O2IBPATH}/include/rdma/ib_cm.h -a \
 526                            -f ${O2IBPATH}/include/rdma/ib_verbs.h -a \
 527                            -f ${O2IBPATH}/include/rdma/ib_fmr_pool.h \); then
 528                         o2ib_found=true
 529                         break
 530                 fi
 531         done
 532         if ! $o2ib_found; then
 533                 AC_MSG_RESULT([no])
 534                 case $ENABLEO2IB in
 535                         1) ;;
 536                         2) AC_MSG_ERROR([kernel OpenIB gen2 headers not present]);;
 537                         3) AC_MSG_ERROR([bad --with-o2ib path]);;
 538                         *) AC_MSG_ERROR([internal error]);;
 539                 esac
 540         else
 541                 O2IBCPPFLAGS="-I$O2IBPATH/include"
 542                 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 543                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
 544                 EXTRA_LNET_INCLUDE="$O2IBCPPFLAGS $EXTRA_LNET_INCLUDE"
 545                 LB_LINUX_TRY_COMPILE([
 546                         #include <linux/version.h>
 547                         #include <linux/pci.h>
 548                         #if !HAVE_GFP_T
 549                         typedef int gfp_t;
 550                         #endif
 551                         #include <rdma/rdma_cm.h>
 552                         #include <rdma/ib_cm.h>
 553                         #include <rdma/ib_verbs.h>
 554                         #include <rdma/ib_fmr_pool.h>
 555                 ],[
 556                         struct rdma_cm_id          *cm_id;
 557                         struct rdma_conn_param      conn_param;
 558                         struct ib_device_attr       device_attr;
 559                         struct ib_qp_attr           qp_attr;
 560                         struct ib_pool_fmr          pool_fmr;
 561                         enum   ib_cm_rej_reason     rej_reason;
 562
 563                         cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
 564                         return PTR_ERR(cm_id);
 565                 ],[
 566                         AC_MSG_RESULT([yes])
 567                         O2IBLND="o2iblnd"
 568                 ],[
 569                         AC_MSG_RESULT([no])
 570                         case $ENABLEO2IB in
 571                         1) ;;
 572                         2) AC_MSG_ERROR([can't compile with kernel OpenIB gen2 headers]);;
 573                         3) AC_MSG_ERROR([can't compile with OpenIB gen2 headers under $O2IBPATH]);;
 574                         *) AC_MSG_ERROR([internal error]);;
 575                         esac
 576                         O2IBLND=""
 577                         O2IBCPPFLAGS=""
 578                 ])
 579
 580                 # we know at this point that the found OFED source is good
 581                 if test \( $ENABLEO2IB = 3 \); then
 582                         if test \( -f $O2IBPATH/$SYMVERFILE \); then
 583                                 AC_MSG_NOTICE([adding $O2IBPATH/$SYMVERFILE to $PWD/$SYMVERFILE])
 584                                 cat $O2IBPATH/$SYMVERFILE >> $PWD/$SYMVERFILE
 585                         else
 586                                 AC_MSG_ERROR([an external source tree was specified for o2iblnd however I could not find a $O2IBPATH/$SYMVERFILE there])
 587                         fi
 588                 fi
 589
 590                 # version checking is a hack and isn't reliable,
 591                 # we need verify it with each new ofed release
 592
 593                 if grep -q ib_dma_map_single \
 594                         ${O2IBPATH}/include/rdma/ib_verbs.h; then
 595                         if grep -q comp_vector \
 596                                 ${O2IBPATH}/include/rdma/ib_verbs.h; then
 597                                 IBLND_OFED_VERSION="1025"
 598                         else
 599                                 IBLND_OFED_VERSION="1020"
 600                         fi
 601                 else
 602                         IBLND_OFED_VERSION="1010"
 603                 fi
 604
 605                 AC_DEFINE_UNQUOTED(IBLND_OFED_VERSION, $IBLND_OFED_VERSION,
 606                                    [OFED version])
 607
 608                 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 609         fi
 610 fi
 611
 612 AC_SUBST(EXTRA_LNET_INCLUDE)
 613 AC_SUBST(O2IBCPPFLAGS)
 614 AC_SUBST(O2IBLND)
 615 ])
 616
 617 #
 618 # LN_CONFIG_OPENIB
 619 #
 620 # check for OpenIB in the kernel
 621 AC_DEFUN([LN_CONFIG_OPENIB],[
 622 AC_MSG_CHECKING([whether to enable OpenIB support])
 623 # set default
 624 OPENIBPATH="$LINUX/drivers/infiniband"
 625 AC_ARG_WITH([openib],
 626         AC_HELP_STRING([--with-openib=path],
 627                        [build openiblnd against path]),
 628         [
 629                 case $with_openib in
 630                 yes)    ENABLEOPENIB=2
 631                         ;;
 632                 no)     ENABLEOPENIB=0
 633                         ;;
 634                 *)      OPENIBPATH="$with_openib"
 635                         ENABLEOPENIB=3
 636                         ;;
 637                 esac
 638         ],[
 639                 ENABLEOPENIB=1
 640         ])
 641 if test $ENABLEOPENIB -eq 0; then
 642         AC_MSG_RESULT([disabled])
 643 elif test ! \( -f ${OPENIBPATH}/include/ts_ib_core.h -a \
 644                -f ${OPENIBPATH}/include/ts_ib_cm.h -a \
 645                -f ${OPENIBPATH}/include/ts_ib_sa_client.h \); then
 646         AC_MSG_RESULT([no])
 647         case $ENABLEOPENIB in
 648         1) ;;
 649         2) AC_MSG_ERROR([kernel OpenIB headers not present]);;
 650         3) AC_MSG_ERROR([bad --with-openib path]);;
 651         *) AC_MSG_ERROR([internal error]);;
 652         esac
 653 else
 654         case $ENABLEOPENIB in
 655         1|2) OPENIBCPPFLAGS="-I$OPENIBPATH/include -DIN_TREE_BUILD";;
 656         3)   OPENIBCPPFLAGS="-I$OPENIBPATH/include";;
 657         *)   AC_MSG_RESULT([no])
 658              AC_MSG_ERROR([internal error]);;
 659         esac
 660         OPENIBCPPFLAGS="$OPENIBCPPFLAGS -DIB_NTXRXPARAMS=4"
 661         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 662         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $OPENIBCPPFLAGS"
 663         LB_LINUX_TRY_COMPILE([
 664                 #include <ts_ib_core.h>
 665                 #include <ts_ib_cm.h>
 666                 #include <ts_ib_sa_client.h>
 667         ],[
 668                 struct ib_device_properties dev_props;
 669                 struct ib_cm_active_param   cm_active_params;
 670                 tTS_IB_CLIENT_QUERY_TID     tid;
 671                 int                         enum1 = IB_QP_ATTRIBUTE_STATE;
 672                 int                         enum2 = IB_ACCESS_LOCAL_WRITE;
 673                 int                         enum3 = IB_CQ_CALLBACK_INTERRUPT;
 674                 int                         enum4 = IB_CQ_PROVIDER_REARM;
 675                 return 0;
 676         ],[
 677                 AC_MSG_RESULT([yes])
 678                 OPENIBLND="openiblnd"
 679         ],[
 680                 AC_MSG_RESULT([no])
 681                 case $ENABLEOPENIB in
 682                 1) ;;
 683                 2) AC_MSG_ERROR([can't compile with kernel OpenIB headers]);;
 684                 3) AC_MSG_ERROR([can't compile with OpenIB headers under $OPENIBPATH]);;
 685                 *) AC_MSG_ERROR([internal error]);;
 686                 esac
 687                 OPENIBLND=""
 688                 OPENIBCPPFLAGS=""
 689         ])
 690         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 691 fi
 692 AC_SUBST(OPENIBCPPFLAGS)
 693 AC_SUBST(OPENIBLND)
 694 ])
 695
 696 #
 697 # LN_CONFIG_CIBLND
 698 #
 699 AC_DEFUN([LN_CONFIG_CIB],[
 700 AC_MSG_CHECKING([whether to enable Cisco/TopSpin IB support])
 701 # set default
 702 CIBPATH=""
 703 CIBLND=""
 704 AC_ARG_WITH([cib],
 705         AC_HELP_STRING([--with-cib=path],
 706                        [build ciblnd against path]),
 707         [
 708                 case $with_cib in
 709                 no)     AC_MSG_RESULT([no]);;
 710                 *)      CIBPATH="$with_cib"
 711                         if test -d "$CIBPATH"; then
 712                                 AC_MSG_RESULT([yes])
 713                         else
 714                                 AC_MSG_RESULT([no])
 715                                 AC_MSG_ERROR([No directory $CIBPATH])
 716                         fi;;
 717                 esac
 718         ],[
 719                 AC_MSG_RESULT([no])
 720         ])
 721 if test -n "$CIBPATH"; then
 722         CIBCPPFLAGS="-I${CIBPATH}/ib/ts_api_ng/include -I${CIBPATH}/all/kernel_services/include -DUSING_TSAPI"
 723         CIBCPPFLAGS="$CIBCPPFLAGS -DIB_NTXRXPARAMS=3"
 724         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 725         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $CIBCPPFLAGS"
 726         LB_LINUX_TRY_COMPILE([
 727                 #include <ts_ib_core.h>
 728                 #include <ts_ib_cm.h>
 729                 #include <ts_ib_sa_client.h>
 730         ],[
 731                 struct ib_device_properties dev_props;
 732                 struct ib_cm_active_param   cm_active_params;
 733                 tTS_IB_CLIENT_QUERY_TID     tid;
 734                 int                         enum1 = TS_IB_QP_ATTRIBUTE_STATE;
 735                 int                         enum2 = TS_IB_ACCESS_LOCAL_WRITE;
 736                 int                         enum3 = TS_IB_CQ_CALLBACK_INTERRUPT;
 737                 int                         enum4 = TS_IB_CQ_PROVIDER_REARM;
 738                 return 0;
 739         ],[
 740                 CIBLND="ciblnd"
 741         ],[
 742                 AC_MSG_ERROR([can't compile ciblnd with given path])
 743                 CIBCPPFLAGS=""
 744         ])
 745         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 746 fi
 747 AC_SUBST(CIBCPPFLAGS)
 748 AC_SUBST(CIBLND)
 749 ])
 750
 751 #
 752 # LN_CONFIG_IIB
 753 #
 754 # check for infinicon infiniband support
 755 #
 756 AC_DEFUN([LN_CONFIG_IIB],[
 757 AC_MSG_CHECKING([whether to enable Infinicon support])
 758 # set default
 759 IIBPATH="/usr/include"
 760 AC_ARG_WITH([iib],
 761         AC_HELP_STRING([--with-iib=path],
 762                        [build iiblnd against path]),
 763         [
 764                 case $with_iib in
 765                 yes)    ENABLEIIB=2
 766                         ;;
 767                 no)     ENABLEIIB=0
 768                         ;;
 769                 *)      IIBPATH="${with_iib}/include"
 770                         ENABLEIIB=3
 771                         ;;
 772                 esac
 773         ],[
 774                 ENABLEIIB=1
 775         ])
 776 if test $ENABLEIIB -eq 0; then
 777         AC_MSG_RESULT([disabled])
 778 elif test ! \( -f ${IIBPATH}/linux/iba/ibt.h \); then
 779         AC_MSG_RESULT([no])
 780         case $ENABLEIIB in
 781         1) ;;
 782         2) AC_MSG_ERROR([default Infinicon headers not present]);;
 783         3) AC_MSG_ERROR([bad --with-iib path]);;
 784         *) AC_MSG_ERROR([internal error]);;
 785         esac
 786 else
 787         IIBCPPFLAGS="-I$IIBPATH"
 788         if test $IIBPATH != "/usr/include"; then
 789                 # we need /usr/include come what may
 790                 IIBCPPFLAGS="$IIBCPPFLAGS -I/usr/include"
 791         fi
 792         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 793         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $IIBCPPFLAGS"
 794         LB_LINUX_TRY_COMPILE([
 795                 #include <linux/iba/ibt.h>
 796         ],[
 797                 IBT_INTERFACE_UNION interfaces;
 798                 FSTATUS             rc;
 799
 800                  rc = IbtGetInterfaceByVersion(IBT_INTERFACE_VERSION_2,
 801                                                &interfaces);
 802
 803                 return rc == FSUCCESS ? 0 : 1;
 804         ],[
 805                 AC_MSG_RESULT([yes])
 806                 IIBLND="iiblnd"
 807         ],[
 808                 AC_MSG_RESULT([no])
 809                 case $ENABLEIIB in
 810                 1) ;;
 811                 2) AC_MSG_ERROR([can't compile with default Infinicon headers]);;
 812                 3) AC_MSG_ERROR([can't compile with Infinicon headers under $IIBPATH]);;
 813                 *) AC_MSG_ERROR([internal error]);;
 814                 esac
 815                 IIBLND=""
 816                 IIBCPPFLAGS=""
 817         ])
 818         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 819 fi
 820 AC_SUBST(IIBCPPFLAGS)
 821 AC_SUBST(IIBLND)
 822 ])
 823
 824 #
 825 # LN_CONFIG_VIB
 826 #
 827 # check for Voltaire infiniband support
 828 #
 829 AC_DEFUN([LN_CONFIG_VIB],
 830 [AC_MSG_CHECKING([whether to enable Voltaire IB support])
 831 VIBPATH=""
 832 AC_ARG_WITH([vib],
 833         AC_HELP_STRING([--with-vib=path],
 834                        [build viblnd against path]),
 835         [
 836                 case $with_vib in
 837                 no)     AC_MSG_RESULT([no]);;
 838                 *)      VIBPATH="${with_vib}/src/nvigor/ib-code"
 839                         if test -d "$with_vib" -a -d "$VIBPATH"; then
 840                                 AC_MSG_RESULT([yes])
 841                         else
 842                                 AC_MSG_RESULT([no])
 843                                 AC_MSG_ERROR([No directory $VIBPATH])
 844                         fi;;
 845                 esac
 846         ],[
 847                 AC_MSG_RESULT([no])
 848         ])
 849 if test -z "$VIBPATH"; then
 850         VIBLND=""
 851 else
 852         VIBCPPFLAGS="-I${VIBPATH}/include -I${VIBPATH}/cm"
 853         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 854         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
 855         LB_LINUX_TRY_COMPILE([
 856                 #include <linux/list.h>
 857                 #include <asm/byteorder.h>
 858                 #ifdef __BIG_ENDIAN
 859                 # define CPU_BE 1
 860                 # define CPU_LE 0
 861                 #endif
 862                 #ifdef __LITTLE_ENDIAN
 863                 # define CPU_BE 0
 864                 # define CPU_LE 1
 865                 #endif
 866                 #include <vverbs.h>
 867                 #include <ib-cm.h>
 868                 #include <ibat.h>
 869         ],[
 870                 vv_hca_h_t       kib_hca;
 871                 vv_return_t      vvrc;
 872                 cm_cep_handle_t  cep;
 873                 ibat_arp_data_t  arp_data;
 874                 ibat_stat_t      ibatrc;
 875
 876                 vvrc = vv_hca_open("ANY_HCA", NULL, &kib_hca);
 877                 cep = cm_create_cep(cm_cep_transp_rc);
 878                 ibatrc = ibat_get_ib_data((uint32_t)0, (uint32_t)0,
 879                                           ibat_paths_primary, &arp_data,
 880                                           (ibat_get_ib_data_reply_fn_t)NULL,
 881                                           NULL, 0);
 882                 return 0;
 883         ],[
 884                 VIBLND="viblnd"
 885         ],[
 886                 AC_MSG_ERROR([can't compile viblnd with given path])
 887         ])
 888         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 889 fi
 890 if test -n "$VIBLND"; then
 891         EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 892         EXTRA_KCFLAGS="$EXTRA_KCFLAGS $VIBCPPFLAGS"
 893         AC_MSG_CHECKING([if Voltaire still uses void * sg addresses])
 894         LB_LINUX_TRY_COMPILE([
 895                 #include <linux/list.h>
 896                 #include <asm/byteorder.h>
 897                 #ifdef __BIG_ENDIAN
 898                 # define CPU_BE 1
 899                 # define CPU_LE 0
 900                 #endif
 901                 #ifdef __LITTLE_ENDIAN
 902                 # define CPU_BE 0
 903                 # define CPU_LE 1
 904                 #endif
 905                 #include <vverbs.h>
 906                 #include <ib-cm.h>
 907                 #include <ibat.h>
 908         ],[
 909                 vv_scatgat_t  sg;
 910
 911                 return &sg.v_address[3] == NULL;
 912         ],[
 913                 AC_MSG_RESULT([yes])
 914                 VIBCPPFLAGS="$VIBCPPFLAGS -DIBNAL_VOIDSTAR_SGADDR=1"
 915         ],[
 916                 AC_MSG_RESULT([no])
 917         ])
 918         EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 919 fi
 920 AC_SUBST(VIBCPPFLAGS)
 921 AC_SUBST(VIBLND)
 922 ])
 923
 924 #
 925 # LN_CONFIG_RALND
 926 #
 927 # check whether to use the RapidArray lnd
 928 #
 929 AC_DEFUN([LN_CONFIG_RALND],
 930 [#### Rapid Array
 931 AC_MSG_CHECKING([if RapidArray kernel headers are present])
 932 # placeholder
 933 RACPPFLAGS="-I${LINUX}/drivers/xd1/include"
 934 EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
 935 EXTRA_KCFLAGS="$EXTRA_KCFLAGS $RACPPFLAGS"
 936 LB_LINUX_TRY_COMPILE([
 937         #include <linux/types.h>
 938         #include <rapl.h>
 939 ],[
 940         RAP_RETURN          rc;
 941         RAP_PVOID           dev_handle;
 942
 943         rc = RapkGetDeviceByIndex(0, NULL, &dev_handle);
 944
 945         return rc == RAP_SUCCESS ? 0 : 1;
 946 ],[
 947         AC_MSG_RESULT([yes])
 948         RALND="ralnd"
 949 ],[
 950         AC_MSG_RESULT([no])
 951         RALND=""
 952         RACPPFLAGS=""
 953 ])
 954 EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
 955 AC_SUBST(RACPPFLAGS)
 956 AC_SUBST(RALND)
 957 ])
 958
 959 #
 960 # LN_STRUCT_PAGE_LIST
 961 #
 962 # 2.6.4 no longer has page->list
 963 #
 964 AC_DEFUN([LN_STRUCT_PAGE_LIST],
 965 [AC_MSG_CHECKING([if struct page has a list field])
 966 LB_LINUX_TRY_COMPILE([
 967         #include <linux/mm.h>
 968 ],[
 969         struct page page;
 970         &page.list;
 971 ],[
 972         AC_MSG_RESULT([yes])
 973         AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field])
 974 ],[
 975         AC_MSG_RESULT([no])
 976 ])
 977 ])
 978
 979 #
 980 # LN_STRUCT_SIGHAND
 981 #
 982 # red hat 2.4 adds sighand to struct task_struct
 983 #
 984 AC_DEFUN([LN_STRUCT_SIGHAND],
 985 [AC_MSG_CHECKING([if task_struct has a sighand field])
 986 LB_LINUX_TRY_COMPILE([
 987         #include <linux/sched.h>
 988 ],[
 989         struct task_struct p;
 990         p.sighand = NULL;
 991 ],[
 992         AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches])
 993         AC_MSG_RESULT([yes])
 994 ],[
 995         AC_MSG_RESULT([no])
 996 ])
 997 ])
 998
 999 #
1000 # LN_FUNC_CPU_ONLINE
1001 #
1002 # cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
1003 #
1004 AC_DEFUN([LN_FUNC_CPU_ONLINE],
1005 [AC_MSG_CHECKING([if kernel defines cpu_online()])
1006 LB_LINUX_TRY_COMPILE([
1007         #include <linux/sched.h>
1008 ],[
1009         cpu_online(0);
1010 ],[
1011         AC_MSG_RESULT([yes])
1012         AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
1013 ],[
1014         AC_MSG_RESULT([no])
1015 ])
1016 ])
1017
1018 #
1019 # LN_TYPE_GFP_T
1020 #
1021 # check if gfp_t is typedef-ed
1022 #
1023 AC_DEFUN([LN_TYPE_GFP_T],
1024 [AC_MSG_CHECKING([if kernel defines gfp_t])
1025 LB_LINUX_TRY_COMPILE([
1026         #include <linux/gfp.h>
1027 ],[
1028         return sizeof(gfp_t);
1029 ],[
1030         AC_MSG_RESULT([yes])
1031         AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found])
1032 ],[
1033         AC_MSG_RESULT([no])
1034 ])
1035 ])
1036
1037 #
1038 # LN_TYPE_CPUMASK_T
1039 #
1040 # same goes for cpumask_t
1041 #
1042 AC_DEFUN([LN_TYPE_CPUMASK_T],
1043 [AC_MSG_CHECKING([if kernel defines cpumask_t])
1044 LB_LINUX_TRY_COMPILE([
1045         #include <linux/sched.h>
1046 ],[
1047         return sizeof (cpumask_t);
1048 ],[
1049         AC_MSG_RESULT([yes])
1050         AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found])
1051 ],[
1052         AC_MSG_RESULT([no])
1053 ])
1054 ])
1055
1056 #
1057 # LN_FUNC_SHOW_TASK
1058 #
1059 # we export show_task(), but not all kernels have it (yet)
1060 #
1061 AC_DEFUN([LN_FUNC_SHOW_TASK],
1062 [LB_CHECK_SYMBOL_EXPORT([show_task],
1063 [kernel/ksyms.c kernel/sched.c],[
1064 AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
1065 ],[
1066 ])
1067 ])
1068
1069 # check userland __u64 type
1070 AC_DEFUN([LN_U64_LONG_LONG],
1071 [AC_MSG_CHECKING([u64 is long long type])
1072 tmp_flags="$CFLAGS"
1073 CFLAGS="$CFLAGS -Werror"
1074 AC_COMPILE_IFELSE([
1075         #include <linux/types.h>
1076         int main(void) {
1077                 unsigned long long *data1;
1078                 __u64 *data2;
1079
1080                 data1 = data2;
1081                 return 0;
1082         }
1083 ],[
1084         AC_MSG_RESULT([yes])
1085         AC_DEFINE(HAVE_U64_LONG_LONG, 1,
1086                   [__u64 is long long type])
1087 ],[
1088         AC_MSG_RESULT([no])
1089 ])
1090 CFLAGS="$tmp_flags"
1091 ])
1092
1093 # check userland size_t type
1094 AC_DEFUN([LN_SIZE_T_LONG],
1095 [AC_MSG_CHECKING([size_t is unsigned long type])
1096 tmp_flags="$CFLAGS"
1097 CFLAGS="$CFLAGS -Werror"
1098 AC_COMPILE_IFELSE([
1099         #include <linux/types.h>
1100         int main(void) {
1101                 unsigned long *data1;
1102                 size_t *data2;
1103
1104                 data1 = data2;
1105                 return 0;
1106         }
1107 ],[
1108         AC_MSG_RESULT([yes])
1109         AC_DEFINE(HAVE_SIZE_T_LONG, 1,
1110                   [size_t is long type])
1111 ],[
1112         AC_MSG_RESULT([no])
1113 ])
1114 CFLAGS="$tmp_flags"
1115 ])
1116
1117 AC_DEFUN([LN_SSIZE_T_LONG],
1118 [AC_MSG_CHECKING([ssize_t is signed long type])
1119 tmp_flags="$CFLAGS"
1120 CFLAGS="$CFLAGS -Werror"
1121 AC_COMPILE_IFELSE([
1122         #include <linux/types.h>
1123         int main(void) {
1124                 long *data1;
1125                 ssize_t *data2;
1126
1127                 data1 = data2;
1128                 return 0;
1129         }
1130 ],[
1131         AC_MSG_RESULT([yes])
1132         AC_DEFINE(HAVE_SSIZE_T_LONG, 1,
1133                   [ssize_t is long type])
1134 ],[
1135         AC_MSG_RESULT([no])
1136 ])
1137 CFLAGS="$tmp_flags"
1138 ])
1139
1140
1141 # LN_TASKLIST_LOCK
1142 # 2.6.18 remove tasklist_lock export
1143 AC_DEFUN([LN_TASKLIST_LOCK],
1144 [LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
1145 [kernel/fork.c],[
1146 AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
1147          [tasklist_lock exported])
1148 ],[
1149 ])
1150 ])
1151
1152 # 2.6.19 API changes
1153 # kmem_cache_destroy(cachep) return void instead of
1154 # int
1155 AC_DEFUN([LN_KMEM_CACHE_DESTROY_INT],
1156 [AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
1157 LB_LINUX_TRY_COMPILE([
1158         #include <linux/slab.h>
1159 ],[
1160         int i = kmem_cache_destroy(NULL);
1161 ],[
1162         AC_MSG_RESULT(yes)
1163         AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
1164                 [kmem_cache_destroy(cachep) return int])
1165 ],[
1166         AC_MSG_RESULT(NO)
1167 ])
1168 ])
1169
1170 # 2.6.19 API change
1171 #panic_notifier_list use atomic_notifier operations
1172 #
1173 AC_DEFUN([LN_ATOMIC_PANIC_NOTIFIER],
1174 [AC_MSG_CHECKING([panic_notifier_list is atomic])
1175 LB_LINUX_TRY_COMPILE([
1176         #include <linux/notifier.h>
1177         #include <linux/kernel.h>
1178 ],[
1179         struct atomic_notifier_head panic_notifier_list;
1180 ],[
1181         AC_MSG_RESULT(yes)
1182         AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1,
1183                 [panic_notifier_list is atomic_notifier_head])
1184 ],[
1185         AC_MSG_RESULT(NO)
1186 ])
1187 ])
1188
1189 # 2.6.20 API change INIT_WORK use 2 args and not
1190 # store data inside
1191 AC_DEFUN([LN_3ARGS_INIT_WORK],
1192 [AC_MSG_CHECKING([check INIT_WORK want 3 args])
1193 LB_LINUX_TRY_COMPILE([
1194         #include <linux/workqueue.h>
1195 ],[
1196         struct work_struct work;
1197
1198         INIT_WORK(&work, NULL, NULL);
1199 ],[
1200         AC_MSG_RESULT(yes)
1201         AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
1202                   [INIT_WORK use 3 args and store data inside])
1203 ],[
1204         AC_MSG_RESULT(NO)
1205 ])
1206 ])
1207
1208 # 2.6.21 api change. 'register_sysctl_table' use only one argument,
1209 # instead of more old which need two.
1210 AC_DEFUN([LN_2ARGS_REGISTER_SYSCTL],
1211 [AC_MSG_CHECKING([check register_sysctl_table want 2 args])
1212 LB_LINUX_TRY_COMPILE([
1213         #include <linux/sysctl.h>
1214 ],[
1215         return register_sysctl_table(NULL,0);
1216 ],[
1217         AC_MSG_RESULT(yes)
1218         AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
1219                   [register_sysctl_table want 2 args])
1220 ],[
1221         AC_MSG_RESULT(NO)
1222 ])
1223 ])
1224
1225 # 2.6.21 marks kmem_cache_t deprecated and uses struct kmem_cache
1226 # instead
1227 AC_DEFUN([LN_KMEM_CACHE],
1228 [AC_MSG_CHECKING([check kernel has struct kmem_cache])
1229 tmp_flags="$EXTRA_KCFLAGS"
1230 EXTRA_KCFLAGS="-Werror"
1231 LB_LINUX_TRY_COMPILE([
1232         #include <linux/slab.h>
1233         typedef struct kmem_cache cache_t;
1234 ],[
1235         cache_t *cachep = NULL;
1236
1237         kmem_cache_alloc(cachep, 0);
1238 ],[
1239         AC_MSG_RESULT(yes)
1240         AC_DEFINE(HAVE_KMEM_CACHE, 1,
1241                   [kernel has struct kmem_cache])
1242 ],[
1243         AC_MSG_RESULT(NO)
1244 ])
1245 EXTRA_KCFLAGS="$tmp_flags"
1246 ])
1247 # 2.6.23 lost dtor argument
1248 AC_DEFUN([LN_KMEM_CACHE_CREATE_DTOR],
1249 [AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
1250 LB_LINUX_TRY_COMPILE([
1251         #include <linux/slab.h>
1252 ],[
1253         kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
1254 ],[
1255         AC_MSG_RESULT(yes)
1256         AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
1257                   [kmem_cache_create has dtor argument])
1258 ],[
1259         AC_MSG_RESULT(NO)
1260 ])
1261 ])
1262
1263 #
1264 # LN_PROG_LINUX
1265 #
1266 # LNet linux kernel checks
1267 #
1268 AC_DEFUN([LN_PROG_LINUX],
1269 [
1270 LN_FUNC_CPU_ONLINE
1271 LN_TYPE_GFP_T
1272 LN_TYPE_CPUMASK_T
1273 LN_CONFIG_AFFINITY
1274 LN_CONFIG_BACKOFF
1275 LN_CONFIG_PANIC_DUMPLOG
1276 LN_CONFIG_QUADRICS
1277 LN_CONFIG_GM
1278 LN_CONFIG_OPENIB
1279 LN_CONFIG_CIB
1280 LN_CONFIG_VIB
1281 LN_CONFIG_IIB
1282 LN_CONFIG_O2IB
1283 LN_CONFIG_RALND
1284 LN_CONFIG_PTLLND
1285 LN_CONFIG_MX
1286
1287 LN_STRUCT_PAGE_LIST
1288 LN_STRUCT_SIGHAND
1289 LN_FUNC_SHOW_TASK
1290 LN_U64_LONG_LONG
1291 LN_SSIZE_T_LONG
1292 LN_SIZE_T_LONG
1293 # 2.6.18
1294 LN_TASKLIST_LOCK
1295 # 2.6.19
1296 LN_KMEM_CACHE_DESTROY_INT
1297 LN_ATOMIC_PANIC_NOTIFIER
1298 # 2.6.20
1299 LN_3ARGS_INIT_WORK
1300 # 2.6.21
1301 LN_2ARGS_REGISTER_SYSCTL
1302 LN_KMEM_CACHE
1303 # 2.6.23
1304 LN_KMEM_CACHE_CREATE_DTOR
1305 ])
1306
1307 #
1308 # LN_PROG_DARWIN
1309 #
1310 # Darwin checks
1311 #
1312 AC_DEFUN([LN_PROG_DARWIN],
1313 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
1314 ])
1315
1316 #
1317 # LN_PATH_DEFAULTS
1318 #
1319 # default paths for installed files
1320 #
1321 AC_DEFUN([LN_PATH_DEFAULTS],
1322 [
1323 ])
1324
1325 #
1326 # LN_CONFIGURE
1327 #
1328 # other configure checks
1329 #
1330 AC_DEFUN([LN_CONFIGURE],
1331 [# lnet/utils/portals.c
1332 AC_CHECK_HEADERS([netdb.h netinet/tcp.h asm/types.h endian.h sys/ioctl.h])
1333 AC_CHECK_FUNCS([gethostbyname socket connect])
1334
1335 # lnet/utils/debug.c
1336 AC_CHECK_HEADERS([linux/version.h])
1337
1338 AC_CHECK_TYPE([spinlock_t],
1339         [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
1340         [],
1341         [#include <linux/spinlock.h>])
1342
1343 # lnet/utils/wirecheck.c
1344 AC_CHECK_FUNCS([strnlen])
1345
1346 # --------  Check for required packages  --------------
1347
1348 #
1349 # LC_CONFIG_READLINE
1350 #
1351 # Build with readline
1352 #
1353 AC_MSG_CHECKING([whether to enable readline support])
1354 AC_ARG_ENABLE(readline,
1355         AC_HELP_STRING([--disable-readline],
1356                         [disable readline support]),
1357         [],[enable_readline='yes'])
1358 AC_MSG_RESULT([$enable_readline])
1359
1360 # -------- check for readline if enabled ----
1361 if test x$enable_readline = xyes ; then
1362         LIBS_save="$LIBS"
1363         LIBS="-lncurses $LIBS"
1364         AC_CHECK_LIB([readline],[readline],[
1365         LIBREADLINE="-lreadline -lncurses"
1366         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
1367         ],[
1368         LIBREADLINE=""
1369         ])
1370         LIBS="$LIBS_save"
1371 else
1372         LIBREADLINE=""
1373 fi
1374 AC_SUBST(LIBREADLINE)
1375
1376 AC_MSG_CHECKING([if efence debugging support is requested])
1377 AC_ARG_ENABLE(efence,
1378         AC_HELP_STRING([--enable-efence],
1379                         [use efence library]),
1380         [],[enable_efence='no'])
1381 AC_MSG_RESULT([$enable_efence])
1382 if test "$enable_efence" = "yes" ; then
1383         LIBEFENCE="-lefence"
1384         AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
1385 else
1386         LIBEFENCE=""
1387 fi
1388 AC_SUBST(LIBEFENCE)
1389
1390 # -------- enable acceptor libwrap (TCP wrappers) support? -------
1391 AC_MSG_CHECKING([if libwrap support is requested])
1392 AC_ARG_ENABLE([libwrap],
1393         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
1394         [case "${enableval}" in
1395                 yes) enable_libwrap=yes ;;
1396                 no) enable_libwrap=no ;;
1397                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
1398         esac],[enable_libwrap=no])
1399 AC_MSG_RESULT([$enable_libwrap])
1400 if test x$enable_libwrap = xyes ; then
1401         LIBWRAP="-lwrap"
1402         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
1403 else
1404         LIBWRAP=""
1405 fi
1406 AC_SUBST(LIBWRAP)
1407
1408 # -------- check for -lpthread support ----
1409 AC_MSG_CHECKING([whether to use libpthread for lnet library])
1410 AC_ARG_ENABLE([libpthread],
1411         AC_HELP_STRING([--disable-libpthread],
1412                 [disable libpthread]),
1413         [],[enable_libpthread=yes])
1414 if test "$enable_libpthread" = "yes" ; then
1415         AC_CHECK_LIB([pthread], [pthread_create],
1416                 [ENABLE_LIBPTHREAD="yes"],
1417                 [ENABLE_LIBPTHREAD="no"])
1418         if test "$ENABLE_LIBPTHREAD" = "yes" ; then
1419                 AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
1420                 PTHREAD_LIBS="-lpthread"
1421                 AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
1422         else
1423                 PTHREAD_LIBS=""
1424                 AC_MSG_RESULT([no libpthread is found])
1425         fi
1426         AC_SUBST(PTHREAD_LIBS)
1427 else
1428         AC_MSG_RESULT([no (disabled explicitly)])
1429         ENABLE_LIBPTHREAD="no"
1430 fi
1431 AC_SUBST(ENABLE_LIBPTHREAD)
1432
1433 # ----------------------------------------
1434 # some tests for catamount-like systems
1435 # ----------------------------------------
1436 AC_ARG_ENABLE([sysio_init],
1437         AC_HELP_STRING([--disable-sysio-init],
1438                 [call sysio init functions when initializing liblustre]),
1439         [],[enable_sysio_init=yes])
1440 AC_MSG_CHECKING([whether to initialize libsysio])
1441 AC_MSG_RESULT([$enable_sysio_init])
1442 if test x$enable_sysio_init != xno ; then
1443         AC_DEFINE([INIT_SYSIO], 1, [call sysio init functions])
1444 fi
1445
1446 AC_ARG_ENABLE([urandom],
1447         AC_HELP_STRING([--disable-urandom],
1448                 [disable use of /dev/urandom for liblustre]),
1449         [],[enable_urandom=yes])
1450 AC_MSG_CHECKING([whether to use /dev/urandom for liblustre])
1451 AC_MSG_RESULT([$enable_urandom])
1452 if test x$enable_urandom != xno ; then
1453         AC_DEFINE([LIBLUSTRE_USE_URANDOM], 1, [use /dev/urandom for random data])
1454 fi
1455
1456 # -------- check for -lcap support ----
1457 if test x$enable_liblustre = xyes ; then
1458         AC_CHECK_LIB([cap], [cap_get_proc],
1459                 [
1460                         CAP_LIBS="-lcap"
1461                         AC_DEFINE([HAVE_LIBCAP], 1, [use libcap])
1462                 ],
1463                 [
1464                         CAP_LIBS=""
1465                 ])
1466         AC_SUBST(CAP_LIBS)
1467
1468 fi
1469
1470 LN_CONFIG_MAX_PAYLOAD
1471 LN_CONFIG_UPTLLND
1472 LN_CONFIG_USOCKLND
1473 ])
1474
1475 #
1476 # LN_CONDITIONALS
1477 #
1478 # AM_CONDITOINAL defines for lnet
1479 #
1480 AC_DEFUN([LN_CONDITIONALS],
1481 [AM_CONDITIONAL(BUILD_QSWLND, test x$QSWLND = "xqswlnd")
1482 AM_CONDITIONAL(BUILD_GMLND, test x$GMLND = "xgmlnd")
1483 AM_CONDITIONAL(BUILD_MXLND, test x$MXLND = "xmxlnd")
1484 AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
1485 AM_CONDITIONAL(BUILD_OPENIBLND, test x$OPENIBLND = "xopeniblnd")
1486 AM_CONDITIONAL(BUILD_CIBLND, test x$CIBLND = "xciblnd")
1487 AM_CONDITIONAL(BUILD_IIBLND, test x$IIBLND = "xiiblnd")
1488 AM_CONDITIONAL(BUILD_VIBLND, test x$VIBLND = "xviblnd")
1489 AM_CONDITIONAL(BUILD_RALND, test x$RALND = "xralnd")
1490 AM_CONDITIONAL(BUILD_PTLLND, test x$PTLLND = "xptllnd")
1491 AM_CONDITIONAL(BUILD_UPTLLND, test x$UPTLLND = "xptllnd")
1492 AM_CONDITIONAL(BUILD_USOCKLND, test x$USOCKLND = "xusocklnd")
1493 ])
1494
1495 #
1496 # LN_CONFIG_FILES
1497 #
1498 # files that should be generated with AC_OUTPUT
1499 #
1500 AC_DEFUN([LN_CONFIG_FILES],
1501 [AC_CONFIG_FILES([
1502 lnet/Kernelenv
1503 lnet/Makefile
1504 lnet/autoMakefile
1505 lnet/autoconf/Makefile
1506 lnet/doc/Makefile
1507 lnet/include/Makefile
1508 lnet/include/libcfs/Makefile
1509 lnet/include/libcfs/linux/Makefile
1510 lnet/include/lnet/Makefile
1511 lnet/include/lnet/linux/Makefile
1512 lnet/klnds/Makefile
1513 lnet/klnds/autoMakefile
1514 lnet/klnds/gmlnd/Makefile
1515 lnet/klnds/mxlnd/autoMakefile
1516 lnet/klnds/mxlnd/Makefile
1517 lnet/klnds/gmlnd/autoMakefile
1518 lnet/klnds/openiblnd/Makefile
1519 lnet/klnds/openiblnd/autoMakefile
1520 lnet/klnds/o2iblnd/Makefile
1521 lnet/klnds/o2iblnd/autoMakefile
1522 lnet/klnds/ciblnd/Makefile
1523 lnet/klnds/ciblnd/autoMakefile
1524 lnet/klnds/iiblnd/Makefile
1525 lnet/klnds/iiblnd/autoMakefile
1526 lnet/klnds/viblnd/Makefile
1527 lnet/klnds/viblnd/autoMakefile
1528 lnet/klnds/qswlnd/Makefile
1529 lnet/klnds/qswlnd/autoMakefile
1530 lnet/klnds/ralnd/Makefile
1531 lnet/klnds/ralnd/autoMakefile
1532 lnet/klnds/socklnd/Makefile
1533 lnet/klnds/socklnd/autoMakefile
1534 lnet/klnds/ptllnd/Makefile
1535 lnet/klnds/ptllnd/autoMakefile
1536 lnet/libcfs/Makefile
1537 lnet/libcfs/autoMakefile
1538 lnet/libcfs/linux/Makefile
1539 lnet/lnet/Makefile
1540 lnet/lnet/autoMakefile
1541 lnet/selftest/Makefile
1542 lnet/selftest/autoMakefile
1543 lnet/ulnds/Makefile
1544 lnet/ulnds/autoMakefile
1545 lnet/ulnds/socklnd/Makefile
1546 lnet/ulnds/ptllnd/Makefile
1547 lnet/utils/Makefile
1548 ])
1549 case $lb_target_os in
1550         darwin)
1551                 AC_CONFIG_FILES([
1552 lnet/include/libcfs/darwin/Makefile
1553 lnet/include/lnet/darwin/Makefile
1554 lnet/libcfs/darwin/Makefile
1555 ])
1556                 ;;
1557 esac
1558 ])