])
#
-# LN_CONFIG_ZEROCOPY
+# LN_CONFIG_CDEBUG
#
-# check if zerocopy is available/wanted
+# whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
#
-AC_DEFUN([LN_CONFIG_ZEROCOPY],
-[AC_ARG_ENABLE([zerocopy],
- AC_HELP_STRING([--disable-zerocopy],
- [disable socklnd zerocopy]),
- [],[enable_zerocopy='yes'])
-AC_MSG_CHECKING([for zero-copy TCP support])
-if test x$enable_zerocopy = xno ; then
- AC_MSG_RESULT([no (by request)])
+AC_DEFUN([LN_CONFIG_CDEBUG],
+[
+AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
+AC_ARG_ENABLE([libcfs_cdebug],
+ AC_HELP_STRING([--disable-libcfs-cdebug],
+ [disable libcfs CDEBUG, CWARN]),
+ [],[enable_libcfs_cdebug='yes'])
+AC_MSG_RESULT([$enable_libcfs_cdebug])
+if test x$enable_libcfs_cdebug = xyes; then
+ AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])
else
- ZCCD="`grep -c zccd $LINUX/include/linux/skbuff.h`"
- if test "$ZCCD" = 0 ; then
- AC_MSG_RESULT([no (no kernel support)])
- else
- AC_MSG_RESULT([yes])
- AC_MSG_CHECKING([for up-to-date tcp zero-copy patch])
- LB_LINUX_TRY_COMPILE([
- #include <linux/config.h>
- #include <linux/kernel.h>
- #include <linux/sched.h>
- #include <linux/types.h>
- #include <linux/in.h>
- #include <linux/string.h>
- #include <linux/init.h>
- #include <linux/errno.h>
- #include <linux/interrupt.h>
- #include <linux/netdevice.h>
- #include <linux/skbuff.h>
- ],[
- struct zccd zc = {0};
-
- return atomic_read(&zc.zccd_refcount);
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(SOCKNAL_ZC, 1, [enable zero-copy support])
- ],[
- AC_MSG_RESULT([no])
- AC_MSG_ERROR([old TCP zero-copy in kernel (bug 10889) - use --disable-zerocopy to continue ])
- ])
- fi
+ AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN])
+fi
+
+AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
+AC_ARG_ENABLE([libcfs_trace],
+ AC_HELP_STRING([--disable-libcfs-trace],
+ [disable libcfs ENTRY/EXIT]),
+ [],[enable_libcfs_trace='yes'])
+AC_MSG_RESULT([$enable_libcfs_trace])
+if test x$enable_libcfs_trace = xyes; then
+ AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
+else
+ AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
fi
-])
+AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
+AC_ARG_ENABLE([libcfs_assert],
+ AC_HELP_STRING([--disable-libcfs-assert],
+ [disable libcfs LASSERT, LASSERTF]),
+ [],[enable_libcfs_assert='yes'])
+AC_MSG_RESULT([$enable_libcfs_assert])
+if test x$enable_libcfs_assert = xyes; then
+ AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])
+fi
+])
+
#
# LN_CONFIG_AFFINITY
#
O2IBCPPFLAGS="-I$O2IBPATH/include"
EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="$EXTRA_KCFLAGS $O2IBCPPFLAGS"
+ EXTRA_LNET_INCLUDE="$O2IBCPPFLAGS $EXTRA_LNET_INCLUDE"
LB_LINUX_TRY_COMPILE([
#include <linux/version.h>
+ #include <linux/pci.h>
#if !HAVE_GFP_T
typedef int gfp_t;
#endif
O2IBLND=""
O2IBCPPFLAGS=""
])
+
+# version checking is a hack and isn't reliable, we need verify it
+# with each new ofed release
+
+ IB_DMA_MAP="`grep -c ib_dma_map_single ${O2IBPATH}/include/rdma/ib_verbs.h`"
+ if test "$IB_DMA_MAP" != 0 ; then
+ IB_COMP_VECT="`grep -c comp_vector ${O2IBPATH}/include/rdma/ib_verbs.h`"
+ if test "$IB_COMP_VECT" != 0 ; then
+ IBLND_OFED_VERSION="1025"
+ else
+ IBLND_OFED_VERSION="1020"
+ fi
+ else
+ IBLND_OFED_VERSION="1010"
+ fi
+
+ AC_DEFINE_UNQUOTED(IBLND_OFED_VERSION, $IBLND_OFED_VERSION,
+ [OFED version])
+
EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"
fi
+
+AC_SUBST(EXTRA_LNET_INCLUDE)
AC_SUBST(O2IBCPPFLAGS)
AC_SUBST(O2IBLND)
])
# we export show_task(), but not all kernels have it (yet)
#
AC_DEFUN([LN_FUNC_SHOW_TASK],
-[AC_MSG_CHECKING([if kernel exports show_task])
-have_show_task=0
-for file in ksyms sched ; do
- if grep -q "EXPORT_SYMBOL(show_task)" \
- "$LINUX/kernel/$file.c" 2>/dev/null ; then
- have_show_task=1
- break
- fi
-done
-if test x$have_show_task = x1 ; then
- AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
+[LB_CHECK_SYMBOL_EXPORT([show_task],
+[kernel/ksyms.c kernel/sched.c],[
+AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
+],[
+])
])
# LN_TASKLIST_LOCK
# 2.6.18 remove tasklist_lock export
AC_DEFUN([LN_TASKLIST_LOCK],
-[AC_MSG_CHECKING([kernel export tasklist_lock])
- if grep -q "EXPORT_SYMBOL(tasklist_lock)" \
- "$LINUX/kernel/fork.c" 2>/dev/null ; then
- AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
- [tasklist_lock exported])
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- fi
+[LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
+[kernel/fork.c],[
+AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
+ [tasklist_lock exported])
+],[
+])
])
# 2.6.19 API changes
])
])
-#2.6.19 API change
+# 2.6.19 API change
#panic_notifier_list use atomic_notifier operations
#
AC_DEFUN([LN_ATOMIC_PANIC_NOTIFIER],
])
])
+# 2.6.20 API change INIT_WORK use 2 args and not
+# store data inside
+AC_DEFUN([LN_3ARGS_INIT_WORK],
+[AC_MSG_CHECKING([check INIT_WORK want 3 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/workqueue.h>
+],[
+ struct work_struct work;
+
+ INIT_WORK(&work, NULL, NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
+ [INIT_WORK use 3 args and store data inside])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+# 2.6.21 api change. 'register_sysctl_table' use only one argument,
+# instead of more old which need two.
+AC_DEFUN([LN_2ARGS_REGISTER_SYSCTL],
+[AC_MSG_CHECKING([check register_sysctl_table want 2 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/sysctl.h>
+],[
+ return register_sysctl_table(NULL,0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
+ [register_sysctl_table want 2 args])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+# 2.6.21 uses struct kmem_cache instead of kmem_cache_s for
+# kmem_cache_t
+AC_DEFUN([LN_KMEM_CACHE_S],
+[AC_MSG_CHECKING([check kernel has struct kmem_cache_s])
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_LINUX_TRY_COMPILE([
+ #include <linux/slab.h>
+],[
+ kmem_cache_t *cachep = NULL;
+
+ kmem_cache_free(cachep, NULL);
+
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_KMEM_CACHE_S, 1,
+ [kernel has struct kmem_cache_s])
+],[
+ AC_MSG_RESULT(NO)
+])
+EXTRA_KCFLAGS="$tmp_flags"
+])
+# 2.6.23 lost dtor argument
+AC_DEFUN([LN_KMEM_CACHE_CREATE_DTOR],
+[AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/slab.h>
+],[
+ struct kmem_cache_s *cachep = NULL;
+ kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
+ [kmem_cache_create has dtor argument])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
#
# LN_PROG_LINUX
#
# LNet linux kernel checks
#
AC_DEFUN([LN_PROG_LINUX],
-[LN_CONFIG_ZEROCOPY
+[
LN_FUNC_CPU_ONLINE
LN_TYPE_GFP_T
LN_TYPE_CPUMASK_T
# 2.6.19
LN_KMEM_CACHE_DESTROY_INT
LN_ATOMIC_PANIC_NOTIFIER
+# 2.6.20
+LN_3ARGS_INIT_WORK
+# 2.6.21
+LN_2ARGS_REGISTER_SYSCTL
+LN_KMEM_CACHE_S
+# 2.6.23
+LN_KMEM_CACHE_CREATE_DTOR
])
#
lnet/libcfs/linux/Makefile
lnet/lnet/Makefile
lnet/lnet/autoMakefile
-lnet/tests/Makefile
-lnet/tests/autoMakefile
+lnet/selftest/Makefile
+lnet/selftest/autoMakefile
lnet/ulnds/Makefile
lnet/ulnds/autoMakefile
lnet/ulnds/socklnd/Makefile