-#
-# LN_CONFIG_MAX_PAYLOAD
-#
-# configure maximum payload
-#
-AC_DEFUN([LN_CONFIG_MAX_PAYLOAD], [
-AC_MSG_CHECKING([for non-default maximum LNET payload])
-AC_ARG_WITH([max-payload-mb],
- AC_HELP_STRING([--with-max-payload-mb=MBytes],
- [set maximum lnet payload in MBytes]),
- [
- AC_MSG_RESULT([$with_max_payload_mb])
- CONFIG_LNET_MAX_PAYLOAD_MB=$with_max_payload_mb
- CONFIG_LNET_MAX_PAYLOAD="(($with_max_payload_mb)<<20)"
- ], [
- AC_MSG_RESULT([no])
- CONFIG_LNET_MAX_PAYLOAD="LNET_MTU"
- ])
-AC_DEFINE_UNQUOTED(CONFIG_LNET_MAX_PAYLOAD, $CONFIG_LNET_MAX_PAYLOAD,
- [Max LNET payload])
-]) # LN_CONFIG_MAX_PAYLOAD
-
-#
-# LN_CHECK_GCC_VERSION
-#
-# Check compiler version
-#
-AC_DEFUN([LN_CHECK_GCC_VERSION], [
-AC_MSG_CHECKING([compiler version])
-PTL_CC_VERSION=`$CC --version | awk '/^gcc/{print $ 3}'`
-PTL_MIN_CC_VERSION="3.2.2"
-v2n() {
- awk -F. '{printf "%d\n", (($ 1)*100+($ 2))*100+($ 3)}'
-}
-if test -z "$PTL_CC_VERSION" -o \
- $(echo $PTL_CC_VERSION | v2n) -ge $(echo $PTL_MIN_CC_VERSION | v2n); then
- AC_MSG_RESULT([ok])
-else
- AC_MSG_RESULT([Buggy compiler found])
- AC_MSG_ERROR([Need gcc version >= $PTL_MIN_CC_VERSION])
-fi
-]) # LN_CHECK_GCC_VERSION
-
-#
-# LN_CONFIG_AFFINITY
-#
-# check if cpu affinity is available/wanted
-#
-AC_DEFUN([LN_CONFIG_AFFINITY], [
-AC_MSG_CHECKING([whether to enable CPU affinity support])
-AC_ARG_ENABLE([affinity],
- AC_HELP_STRING([--disable-affinity],
- [disable process/irq affinity]),
- [], [enable_affinity="yes"])
-AC_MSG_RESULT([$enable_affinity])
-AS_IF([test "x$enable_affinity" = xyes], [
- LB_CHECK_COMPILE([if Linux kernel has cpu affinity support],
- set_cpus_allowed_ptr, [
- #include <linux/sched.h>
- ],[
- struct task_struct *t;
- #if HAVE_CPUMASK_T
- cpumask_t m;
- #else
- unsigned long m;
- #endif
- set_cpus_allowed_ptr(t, &m);
- ],[
- AC_DEFINE(CPU_AFFINITY, 1,
- [kernel has cpu affinity support])
- ])
-])
-]) # LN_CONFIG_AFFINITY
-
-#
# LN_CONFIG_BACKOFF
#
# check if tunable tcp backoff is available/wanted
#
# LN_CONFIG_DLC
#
-# Configure dlc if enabled
+# Configure dlc
#
-# if libyaml is set (IE libyaml installed) and enable_dlc = yes then build
-# dlc other wise (IE if libyaml is not set or enable_dlc = no) then don't
-# build dlc.
+# fail to build if libyaml is not installed
#
AC_DEFUN([LN_CONFIG_DLC], [
- AC_CHECK_LIB([yaml], [yaml_parser_initialize],[
- LIBYAML="libyaml"],[
- LIBYAML=""],[-lm])
- AC_MSG_CHECKING([whether to enable dlc])
- AC_ARG_ENABLE([dlc],
- AC_HELP_STRING([--disable-dlc],
- [disable building dlc]),
- [], [enable_dlc="yes"])
- USE_DLC=""
- AS_IF([test "x$enable_dlc" = xyes],
- [AS_IF([test "x$LIBYAML" = xlibyaml], [
- USE_DLC="yes"
- AC_MSG_RESULT([yes])
- ], [
- AC_MSG_RESULT([no (libyaml not present)])
- ])
- ], [
- AC_MSG_RESULT([no])
+ AS_IF([test "x$enable_dist" = xno], [
+ AC_CHECK_LIB([yaml], [yaml_parser_initialize],
+ [LIBYAML="libyaml"],
+ [AC_MSG_ERROR([YAML development libraries not not installed])],
+ [-lm])
])
- AC_SUBST(USE_DLC)
])
#
case $with_o2ib in
yes) AS_IF([which ofed_info 2>/dev/null], [
- O2IBPATHS=$(ofed_info | egrep -w 'compat-rdma-devel|kernel-ib-devel|ofa_kernel-devel' | xargs rpm -ql | grep '/openib$')
+ AS_IF([test x$uses_dpkg = xyes], [
+ OFED_INFO="ofed_info | awk '{print \[$]2}'"
+ LSPKG="dpkg --listfiles"
+ ], [
+ OFED_INFO="ofed_info"
+ LSPKG="rpm -ql"
+ ])
+ O2IBPATHS=$(eval $OFED_INFO | egrep -w 'mlnx-ofed-kernel-dkms|mlnx-ofa_kernel-devel|compat-rdma-devel|kernel-ib-devel|ofa_kernel-devel' | xargs $LSPKG | grep '\(/openib\|/ofa_kernel/default\|/ofa_kernel\)$' | head -n1)
AS_IF([test -z "$O2IBPATHS"], [
AC_MSG_ERROR([
You seem to have an OFED installed but have not installed it's devel package.
Instead, if you want to build Lustre for your kernel's built-in I/B stack rather than your installed OFED stack, either remove the OFED package(s) or use --with-o2ib=no.
])
])
+ if test -e $O2IBPATHS/${LINUXRELEASE}; then
+ O2IBPATHS=$O2IBPATHS/${LINUXRELEASE}
+ elif test -e $O2IBPATHS/default; then
+ O2IBPATHS=$O2IBPATHS/default
+ fi
OFED="yes"
], [
O2IBPATHS="$LINUX $LINUX/drivers/infiniband"
AS_IF([test $ENABLEO2IB = "no"], [
AC_MSG_RESULT([no])
+ AC_DEFUN([LN_CONFIG_O2IB_SRC], [])
+ AC_DEFUN([LN_CONFIG_O2IB_RESULTS], [])
], [
o2ib_found=false
for O2IBPATH in $O2IBPATHS; do
O2IBLND=""
O2IBPATH=$(readlink --canonicalize $O2IBPATH)
- EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include"
+ EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -I$O2IBPATH/include -I$O2IBPATH/include/uapi"
+ EXTRA_CHECK_INCLUDE="$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE"
LB_CHECK_COMPILE([whether to enable OpenIB gen2 support],
openib_gen2_support, [
#ifdef HAVE_COMPAT_RDMA
# we know at this point that the found OFED source is good
O2IB_SYMVER=""
if test $ENABLEO2IB = "withpath" -o "x$OFED" = "xyes" ; then
- # OFED default rpm not handle sles10 Modules.symvers name
- for name in Module.symvers Modules.symvers; do
- if test -f $O2IBPATH/$name; then
- O2IB_SYMVER=$name;
- break;
- fi
- done
+ if test -f $O2IBPATH/Module.symvers; then
+ O2IB_SYMVER=$O2IBPATH/Module.symvers;
+ break;
+ fi
if test -n "$O2IB_SYMVER"; then
- AC_MSG_NOTICE([adding $O2IBPATH/$O2IB_SYMVER to Symbol Path])
- EXTRA_SYMBOLS="$EXTRA_SYMBOLS $O2IBPATH/$O2IB_SYMVER"
+ AC_MSG_NOTICE([adding $O2IB_SYMVER to Symbol Path])
+ EXTRA_SYMBOLS="$EXTRA_SYMBOLS $O2IB_SYMVER"
AC_SUBST(EXTRA_SYMBOLS)
else
AC_MSG_ERROR([an external source tree was, either specified or detected, for o2iblnd however I could not find a $O2IBPATH/Module.symvers there])
#endif
#include <linux/kthread.h>
],[
- struct kthread_work *kth_wrk __attribute__ ((unused));
+ struct kthread_work *kth_wrk = NULL;
flush_kthread_work(kth_wrk);
],[
AC_DEFINE(HAVE_KTHREAD_WORK, 1, [kthread_worker found])
EXTRA_OFED_INCLUDE="$EXTRA_OFED_INCLUDE -DCONFIG_COMPAT_IS_KTHREAD"
fi
])
+ EXTRA_CHECK_INCLUDE=""
fi
])
AC_SUBST(EXTRA_OFED_CONFIG)
AC_SUBST(O2IBPATH)
AC_SUBST(ENABLEO2IB)
-# In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
AS_IF([test $ENABLEO2IB != "no"], [
+ EXTRA_CHECK_INCLUDE="$EXTRA_OFED_CONFIG $EXTRA_OFED_INCLUDE"
+
+ # In RHEL 6.2, rdma_create_id() takes the queue-pair type as a fourth argument
LB_CHECK_COMPILE([if 'rdma_create_id' wants four args],
rdma_create_id_4args, [
#ifdef HAVE_COMPAT_RDMA
AC_DEFINE(HAVE_RDMA_CREATE_ID_4ARG, 1,
[rdma_create_id wants 4 args])
])
-])
-#
-# 4.2 introduced struct ib_cq_init_attr which is used
-# by ib_create_cq(). Note some OFED stacks only keep
-# their headers in sync with latest kernels but not
-# the functionality which means for infiniband testing
-# we need to always test functionality testings.
-#
-AS_IF([test $ENABLEO2IB != "no"], [
+
+ # 4.4 added network namespace parameter for rdma_create_id()
+ LB_CHECK_COMPILE([if 'rdma_create_id' wants five args],
+ rdma_create_id_5args, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/rdma_cm.h>
+ ],[
+ rdma_create_id(NULL, NULL, NULL, 0, 0);
+ ],[
+ AC_DEFINE(HAVE_RDMA_CREATE_ID_5ARG, 1,
+ [rdma_create_id wants 5 args])
+ ])
+
+ # 4.2 introduced struct ib_cq_init_attr which is used
+ # by ib_create_cq(). Note some OFED stacks only keep
+ # their headers in sync with latest kernels but not
+ # the functionality which means for infiniband testing
+ # we need to always test functionality testings.
LB_CHECK_COMPILE([if 'struct ib_cq_init_attr' is used],
ib_cq_init_attr, [
#ifdef HAVE_COMPAT_RDMA
AC_DEFINE(HAVE_IB_CQ_INIT_ATTR, 1,
[struct ib_cq_init_attr is used by ib_create_cq])
])
-])
-# 4.3 removed ib_alloc_fast_reg_mr()
-AS_IF([test $ENABLEO2IB != "no"], [
+ # 4.3 removed ib_alloc_fast_reg_mr()
LB_CHECK_COMPILE([if 'ib_alloc_fast_reg_mr' exists],
ib_alloc_fast_reg_mr, [
#ifdef HAVE_COMPAT_RDMA
AC_DEFINE(HAVE_IB_ALLOC_FAST_REG_MR, 1,
[ib_alloc_fast_reg_mr is defined])
])
-])
-# 4.4 added network namespace parameter for rdma_create_id()
-AS_IF([test $ENABLEO2IB != "no"], [
- LB_CHECK_COMPILE([if 'rdma_create_id' wants five args],
- rdma_create_id_5args, [
+ # 4.9 must stop using ib_get_dma_mr and the global MR
+ # We then have to use FMR/Fastreg for all RDMA.
+ LB_CHECK_COMPILE([if 'ib_get_dma_mr' exists],
+ ib_get_dma_mr, [
#ifdef HAVE_COMPAT_RDMA
#undef PACKAGE_NAME
#undef PACKAGE_TARNAME
#undef PACKAGE_URL
#include <linux/compat-2.6.h>
#endif
- #include <rdma/rdma_cm.h>
+ #include <rdma/ib_verbs.h>
],[
- rdma_create_id(NULL, NULL, NULL, 0, 0);
+ ib_get_dma_mr(NULL, 0);
],[
- AC_DEFINE(HAVE_RDMA_CREATE_ID_5ARG, 1,
- [rdma_create_id wants 5 args])
+ AC_DEFINE(HAVE_IB_GET_DMA_MR, 1,
+ [ib_get_dma_mr is defined])
])
-])
-# new fast registration API introduced in 4.4
-AS_IF([test $ENABLEO2IB != "no"], [
- LB_CHECK_COMPILE([if 'ib_map_mr_sg' exists],
- ib_map_mr_sg, [
+ # In v4.4 Linux kernel,
+ # commit e622f2f4ad2142d2a613a57fb85f8cf737935ef5
+ # split up struct ib_send_wr so that all non-trivial verbs
+ # use their own structure which embedds struct ib_send_wr.
+ LB_CHECK_COMPILE([if 'struct ib_rdma_wr' is defined],
+ ib_rdma_wr, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ struct ib_rdma_wr *wr __attribute__ ((unused));
+
+ wr = rdma_wr(NULL);
+ ],[
+ AC_DEFINE(HAVE_IB_RDMA_WR, 1,
+ [struct ib_rdma_wr is defined])
+ ])
+
+ # new fast registration API introduced in 4.4
+ LB_CHECK_COMPILE([if 4arg 'ib_map_mr_sg' exists],
+ ib_map_mr_sg_4args, [
#ifdef HAVE_COMPAT_RDMA
#undef PACKAGE_NAME
#undef PACKAGE_TARNAME
AC_DEFINE(HAVE_IB_MAP_MR_SG, 1,
[ib_map_mr_sg exists])
])
-])
+
+ # ib_map_mr_sg changes from 4 to 5 args (adding sg_offset_p)
+ # in kernel 4.7 (and RHEL 7.3)
+ LB_CHECK_COMPILE([if 5arg 'ib_map_mr_sg' exists],
+ ib_map_mr_sg_5args, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_map_mr_sg(NULL, NULL, 0, NULL, 0);
+ ],[
+ AC_DEFINE(HAVE_IB_MAP_MR_SG, 1,
+ [ib_map_mr_sg exists])
+ AC_DEFINE(HAVE_IB_MAP_MR_SG_5ARGS, 1,
+ [ib_map_mr_sg has 5 arguments])
+ ])
+
+ # ib_query_device() removed in 4.5
+ LB_CHECK_COMPILE([if 'struct ib_device' has member 'attrs'],
+ ib_device.attrs, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ struct ib_device dev;
+ struct ib_device_attr dev_attr = {};
+ dev.attrs = dev_attr;
+ ],[
+ AC_DEFINE(HAVE_IB_DEVICE_ATTRS, 1,
+ [struct ib_device.attrs is defined])
+ ])
+
+ # A flags argument was added to ib_alloc_pd() in Linux 4.9,
+ # commit ed082d36a7b2c27d1cda55fdfb28af18040c4a89
+ LB_CHECK_COMPILE([if 2arg 'ib_alloc_pd' exists],
+ ib_alloc_pd, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_alloc_pd(NULL, 0);
+ ],[
+ AC_DEFINE(HAVE_IB_ALLOC_PD_2ARGS, 1,
+ [ib_alloc_pd has 2 arguments])
+ ])
+
+ LB_CHECK_COMPILE([if function 'ib_inc_rkey' is defined],
+ ib_inc_rkey, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ (void)ib_inc_rkey(0);
+ ],[
+ AC_DEFINE(HAVE_IB_INC_RKEY, 1,
+ [function ib_inc_rkey exist])
+ ])
+
+ # In MOFED 4.6, the second and third parameters for
+ # ib_post_send() and ib_post_recv() are declared with
+ # 'const'.
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Werror"
+ LB_CHECK_COMPILE([if 'ib_post_send() and ib_post_recv()' have const parameters],
+ ib_post_send_recv_const, [
+ #ifdef HAVE_COMPAT_RDMA
+ #undef PACKAGE_NAME
+ #undef PACKAGE_TARNAME
+ #undef PACKAGE_VERSION
+ #undef PACKAGE_STRING
+ #undef PACKAGE_BUGREPORT
+ #undef PACKAGE_URL
+ #include <linux/compat-2.6.h>
+ #endif
+ #include <rdma/ib_verbs.h>
+ ],[
+ ib_post_send(NULL, (const struct ib_send_wr *)NULL,
+ (const struct ib_send_wr **)NULL);
+ ],[
+ AC_DEFINE(HAVE_IB_POST_SEND_RECV_CONST, 1,
+ [ib_post_send and ib_post_recv have const parameters])
+ ])
+ EXTRA_KCFLAGS="$tmp_flags"
+
+ # 5.0
+ LN_IB_DEVICE_OPS_EXISTS
+ # 5.1
+ LN_IB_SG_DMA_ADDRESS_EXISTS
+
+ EXTRA_CHECK_INCLUDE=""
+ AC_DEFUN([LN_CONFIG_O2IB_SRC], [])
+ AC_DEFUN([LN_CONFIG_O2IB_RESULTS], [])
+]) # ENABLEO2IB != "no"
]) # LN_CONFIG_O2IB
#
AC_SUBST(GNILND)
]) # LN_CONFIG_GNILND
+# LN_CONFIG_SOCK_CREATE_KERN
#
-# LN_CONFIG_SK_SLEEP
-#
-# 2.6.35 kernel has sk_sleep function
+# 4.x sock_create_kern() added a first parameter as 'struct net *'
+# instead of int.
#
-AC_DEFUN([LN_CONFIG_SK_SLEEP], [
-LB_CHECK_COMPILE([if Linux kernel has 'sk_sleep'],
-sk_sleep, [
- #ifdef HAVE_COMPAT_RDMA
- #undef PACKAGE_NAME
- #undef PACKAGE_TARNAME
- #undef PACKAGE_VERSION
- #undef PACKAGE_STRING
- #undef PACKAGE_BUGREPORT
- #undef PACKAGE_URL
- #include <linux/compat-2.6.h>
- #endif
- #include <net/sock.h>
-],[
- sk_sleep(NULL);
-],[
- AC_DEFINE(HAVE_SK_SLEEP, 1,
- [kernel has sk_sleep])
-])
-]) # LN_CONFIG_SK_SLEEP
-
-#
-# LN_CONFIG_TCP_SENDPAGE
-#
-# 2.6.36 tcp_sendpage() first parameter is 'struct sock' instead of 'struct socket'.
-#
-AC_DEFUN([LN_CONFIG_TCP_SENDPAGE], [
+AC_DEFUN([LN_CONFIG_SOCK_CREATE_KERN], [
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'tcp_sendpage' first parameter is socket],
-tcp_sendpage_socket, [
- #ifdef HAVE_COMPAT_RDMA
- #undef PACKAGE_NAME
- #undef PACKAGE_TARNAME
- #undef PACKAGE_VERSION
- #undef PACKAGE_STRING
- #undef PACKAGE_BUGREPORT
- #undef PACKAGE_URL
- #include <linux/compat-2.6.h>
- #endif
+LB_CHECK_COMPILE([if 'sock_create_kern' first parameter is net],
+sock_create_kern_net, [
#include <linux/net.h>
- #include <net/tcp.h>
+ #include <net/net_namespace.h>
],[
- tcp_sendpage((struct socket*)0, NULL, 0, 0, 0);
+ sock_create_kern((struct net*)0, 0, 0, 0, NULL);
],[
- AC_DEFINE(HAVE_TCP_SENDPAGE_USE_SOCKET, 1,
- [tcp_sendpage use socket as first parameter])
+ AC_DEFINE(HAVE_SOCK_CREATE_KERN_USE_NET, 1,
+ [sock_create_kern use net as first parameter])
])
EXTRA_KCFLAGS="$tmp_flags"
-]) # LN_CONFIG_TCP_SENDPAGE
+]) # LN_CONFIG_SOCK_CREATE_KERN
#
# LN_CONFIG_SK_DATA_READY
EXTRA_KCFLAGS="-Werror"
LB_CHECK_COMPILE([if 'sk_data_ready' takes only one argument],
sk_data_ready, [
- #ifdef HAVE_COMPAT_RDMA
- #undef PACKAGE_NAME
- #undef PACKAGE_TARNAME
- #undef PACKAGE_VERSION
- #undef PACKAGE_STRING
- #undef PACKAGE_BUGREPORT
- #undef PACKAGE_URL
- #include <linux/compat-2.6.h>
- #endif
#include <linux/net.h>
#include <net/sock.h>
],[
]) # LN_CONFIG_SK_DATA_READY
#
-# LN_CONFIG_IB_INC_RKEY
+# LN_EXPORT_KMAP_TO_PAGE
+#
+# 3.10 Export kmap_to_page
+#
+AC_DEFUN([LN_EXPORT_KMAP_TO_PAGE], [
+LB_CHECK_EXPORT([kmap_to_page], [mm/highmem.c],
+ [AC_DEFINE(HAVE_KMAP_TO_PAGE, 1,
+ [kmap_to_page is exported by the kernel])])
+]) # LN_EXPORT_KMAP_TO_PAG
+
+#
+# LN_HAVE_HYPERVISOR_IS_TYPE
+#
+# 4.14 commit 79cc74155218316b9a5d28577c7077b2adba8e58
+# x86/paravirt: Provide a way to check for hypervisors
+#
+AC_DEFUN([LN_HAVE_HYPERVISOR_IS_TYPE], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if hypervisor_is_type function is available],
+hypervisor_is_type_exists, [
+ #include <asm/hypervisor.h>
+],[
+ (void)hypervisor_is_type(X86_HYPER_NATIVE);
+],[
+ AC_DEFINE(HAVE_HYPERVISOR_IS_TYPE, 1,
+ [hypervisor_is_type function exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_HAVE_HYPERVISOR_IS_TYPE
+
+#
+# LN_HAVE_ORACLE_OFED_EXTENSIONS
+#
+# Oracle UEK 5
+#
+AC_DEFUN([LN_HAVE_ORACLE_OFED_EXTENSIONS], [
+LB_CHECK_COMPILE([if Oracle OFED Extensions are enabled],
+oracle_ofed_ext, [
+ #include <rdma/ib_fmr_pool.h>
+],[
+ struct ib_fmr_pool_param param = {
+ .relaxed = 0
+ };
+ (void)param;
+],[
+ AC_DEFINE(HAVE_ORACLE_OFED_EXTENSIONS, 1,
+ [if Oracle OFED Extensions are enabled])
+])
+]) # LN_HAVE_ORACLE_OFED_EXTENSIONS
+
+#
+# LN_CONFIG_SOCK_GETNAME
+#
+# 4.17 commit 9b2c45d479d0fb8647c9e83359df69162b5fbe5f getname()
+# does not take the length *int argument and returns the length
+#
+AC_DEFUN([LN_CONFIG_SOCK_GETNAME], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'getname' has two args],
+kern_sock_getname_2args, [
+ #include <linux/net.h>
+],[
+ kernel_getsockname(NULL, NULL);
+],[
+ AC_DEFINE(HAVE_KERN_SOCK_GETNAME_2ARGS, 1,
+ ['getname' has two args])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_CONFIG_SOCK_GETNAME
+
+#
+# LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
+#
+# kernel 5.3 commit ef11db3310e272d3d8dbe8739e0770820dd20e52
+# and kernel 4.18.0-193.el8:
+# added in_dev_for_each_ifa_rtnl and in_dev_for_each_ifa_rcu
+# and removed for_ifa and endfor_ifa.
+# Use the _rntl variant as the current locking is rtnl.
#
-AC_DEFUN([LN_CONFIG_IB_INC_RKEY], [
+AC_DEFUN([LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL], [
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if function 'ib_inc_rkey' is defined],
-ib_inc_rkey, [
- #ifdef HAVE_COMPAT_RDMA
- #undef PACKAGE_NAME
- #undef PACKAGE_TARNAME
- #undef PACKAGE_VERSION
- #undef PACKAGE_STRING
- #undef PACKAGE_BUGREPORT
- #undef PACKAGE_URL
- #include <linux/compat-2.6.h>
- #endif
+LB_CHECK_COMPILE([if 'in_dev_for_each_ifa_rtnl' is defined],
+in_dev_for_each_ifa_rtnl_test, [
+ #include <linux/inetdevice.h>
+],[
+ const struct in_ifaddr *ifa = NULL;
+ struct in_device *in_dev = NULL;
+
+ in_dev_for_each_ifa_rtnl(ifa, in_dev) {}
+],[
+ AC_DEFINE(HAVE_IN_DEV_FOR_EACH_IFA_RTNL, 1,
+ ['in_dev_for_each_ifa_rtnl' is defined])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
+
+#
+# LN_IB_DEVICE_OPS_EXISTS
+#
+# kernel 5.0 commit 521ed0d92ab0db3edd17a5f4716b7f698f4fce61
+# RDMA/core: Introduce ib_device_ops
+# ... introduces the ib_device_ops structure that defines all the
+# InfiniBand device operations in one place ...
+#
+AC_DEFUN([LN_IB_DEVICE_OPS_EXISTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if struct ib_device_ops is defined],
+ib_device_ops_test, [
#include <rdma/ib_verbs.h>
],[
- (void)ib_inc_rkey(0);
+ int x = offsetof(struct ib_device_ops, unmap_fmr);
+ x = x;
+ (void)x;
],[
- AC_DEFINE(HAVE_IB_INC_RKEY, 1,
- [function ib_inc_rkey exist])
+ AC_DEFINE(HAVE_IB_DEVICE_OPS, 1,
+ [if struct ib_device_ops is defined])
])
EXTRA_KCFLAGS="$tmp_flags"
-]) # LN_CONFIG_IB_INC_RKEY
+]) # LN_IB_DEVICE_OPS_EXISTS
+
+#
+# LN_IB_SG_DMA_ADDRESS_EXISTS
+#
+# kernel 5.1 commit a163afc88556e099271a7b423295bc5176fcecce
+# IB/core: Remove ib_sg_dma_address() and ib_sg_dma_len()
+# ... when dma_ops existed (3.6) ib_sg_dma_address() was not trivial ...
+#
+AC_DEFUN([LN_IB_SG_DMA_ADDRESS_EXISTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if ib_sg_dma_address wrapper exists],
+ib_sg_dma_address_test, [
+ #include <rdma/ib_verbs.h>
+],[
+ u64 x = ib_sg_dma_address(NULL, NULL);
+ x = x;
+ (void)x;
+],[
+ AC_DEFINE(HAVE_IB_SG_DMA_ADDRESS, 1,
+ [if ib_sg_dma_address wrapper exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LN_IB_SG_DMA_ADDRESS_EXISTS
+
+#
+# LN_USR_RDMA
+#
+#
+AC_DEFUN([LN_USR_RDMA], [
+AC_MSG_CHECKING([if RDMA_PS_TCP exists])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <rdma/rdma_user_cm.h>
+
+ int main(void) {
+ int x = (int)RDMA_PS_TCP;
+ return x;
+ }
+])],[
+ AC_DEFINE(HAVE_USRSPC_RDMA_PS_TCP, 1,
+ [RDMA_PS_TCP exists])
+])
+]) # LN_USR_RDMA
+
+
+AC_DEFUN([LN_PROG_LINUX_SRC], [])
+AC_DEFUN([LN_PROG_LINUX_RESULTS], [])
#
# LN_PROG_LINUX
AC_MSG_NOTICE([LNet kernel checks
==============================================================================])
-LN_CONFIG_AFFINITY
LN_CONFIG_BACKOFF
LN_CONFIG_O2IB
LN_CONFIG_GNILND
-LN_CONFIG_IB_INC_RKEY
-# 2.6.35
-LN_CONFIG_SK_SLEEP
-# 2.6.36
-LN_CONFIG_TCP_SENDPAGE
+# 3.10
+LN_EXPORT_KMAP_TO_PAGE
# 3.15
LN_CONFIG_SK_DATA_READY
+# 4.x
+LN_CONFIG_SOCK_CREATE_KERN
+# 4.14
+LN_HAVE_HYPERVISOR_IS_TYPE
+LN_HAVE_ORACLE_OFED_EXTENSIONS
+# 4.17
+LN_CONFIG_SOCK_GETNAME
+# 5.3 and 4.18.0-193.el8
+LN_HAVE_IN_DEV_FOR_EACH_IFA_RTNL
]) # LN_PROG_LINUX
#
])
AC_SUBST(LIBEFENCE)
-LN_CONFIG_MAX_PAYLOAD
LN_CONFIG_DLC
+LN_USR_RDMA
]) # LN_CONFIGURE
#
AC_DEFUN([LN_CONDITIONALS], [
AM_CONDITIONAL(BUILD_O2IBLND, test x$O2IBLND = "xo2iblnd")
AM_CONDITIONAL(BUILD_GNILND, test x$GNILND = "xgnilnd")
-AM_CONDITIONAL(BUILD_DLC, test x$USE_DLC = "xyes")
]) # LN_CONDITIONALS
#
lnet/doc/Makefile
lnet/include/Makefile
lnet/include/lnet/Makefile
+lnet/include/uapi/linux/lnet/Makefile
lnet/klnds/Makefile
lnet/klnds/autoMakefile
lnet/klnds/o2iblnd/Makefile