])
])
+# LIBCFS_DIGEST_SETKEY_FLAGS
+# digest_alg.dia_setkey takes 4 args (2.6.18)
+#
+AC_DEFUN([LIBCFS_DIGEST_SETKEY_FLAGS],
+[AC_MSG_CHECKING([if kernel dia_setkey takes 4 args])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/err.h>
+ #include <linux/crypto.h>
+],[
+ struct digest_alg alg;
+
+ alg.dia_setkey(NULL, NULL, 0, NULL);
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_DIGEST_SETKEY_FLAGS, 1, [kernel dia_setkey takes 4 args])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
# 2.6.19 API changes
# kmem_cache_destroy(cachep) return void instead of
# int
])
])
+# check cpumask_size (2.6.28)
+AC_DEFUN([LIBCFS_CPUMASK_SIZE],
+[AC_MSG_CHECKING([whether have cpumask_size()])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/cpumask.h>
+],[
+ int size = cpumask_size();
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_CPUMASK_SIZE, 1, [have cpumask_size()])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+# check cpu topology functions
+#
+# topology_core_cpumask (2.6.29, not on all archs)
+# topology_core_siblings (not on all archs)
+# topology_thread_cpumask (2.6.29, not on all archs)
+# topology_thread_siblings (not on all archs)
+# cpumask_of_node/node_to_cpumask (not always exported)
+AC_DEFUN([LIBCFS_CPU_TOPOLOGY],
+[AC_MSG_CHECKING([whether have topology.h])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+],[],[
+ AC_DEFINE(HAVE_CPU_TOPOLOGY, 1, [have CPU topology])
+ AC_MSG_RESULT(yes)
+
+ AC_MSG_CHECKING([whether have topology_core_cpumask])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t *mask = topology_core_cpumask(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_CORE_CPUMASK, 1,
+ [have topology_core_cpumask])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have topology_core_siblings])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t mask = topology_core_siblings(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_CORE_SIBLINGS, 1,
+ [have topology_core_siblings])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have topology_thread_cpumask])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t *mask = topology_thread_cpumask(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_THREAD_CPUMASK, 1,
+ [have topology_thread_cpumask])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have topology_thread_siblings])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t mask = topology_thread_siblings(0);
+ ],[
+ AC_DEFINE(HAVE_TOPOLOGY_THREAD_SIBLINGS, 1,
+ [have topology_thread_siblings])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have cpumask_of_node])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t *mask = cpumask_of_node(0);
+ ],[
+ AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+
+ AC_MSG_CHECKING([whether have node_to_cpumask])
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/topology.h>
+ ],[
+ cpumask_t mask = node_to_cpumask(0);
+ ],[
+ AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [have node_to_cpumask])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+
# 2.6.20 API change INIT_WORK use 2 args and not
# store data inside
AC_DEFUN([LIBCFS_3ARGS_INIT_WORK],
])
])
-# 2.6.24
+# 2.6.24-rc1 sg_init_table
+AC_DEFUN([LIBCFS_SCATTERLIST_INITTABLE],
+[AC_MSG_CHECKING([for sg_init_table])
+LB_LINUX_TRY_COMPILE([
+ #include <asm/types.h>
+ #include <linux/scatterlist.h>
+],[
+ sg_init_table(NULL,0);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SCATTERLIST_INITTABLE, 1,
+ [scatterlist has sg_init_table])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+# 2.6.24
AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
[AC_MSG_CHECKING([for network stack has namespaces])
LB_LINUX_TRY_COMPILE([
])
])
+# LIBCFS_STRUCT_SHASH_ALG
+# struct shash_alg was introduced in 2.6.29
+#
+AC_DEFUN([LIBCFS_STRUCT_SHASH_ALG],
+[AC_MSG_CHECKING([if kernel has struct shash_alg])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/err.h>
+ #include <crypto/internal/hash.h>
+],[
+ struct shash_alg foo;
+],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_STRUCT_SHASH_ALG, 1, [kernel has struct shash_alg])
+],[
+ AC_MSG_RESULT([no])
+])
+])
+
+
#
# LIBCFS_FUNC_UNSHARE_FS_STRUCT
#
])
#
+# check set_mems_allowed
+# 2.6.31 adds function set_mems_allowed in cpuset.h
+#
+AC_DEFUN([LIBCFS_HAVE_SET_MEMS_ALLOWED],
+[AC_MSG_CHECKING([whether have set_mems_allowed()])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/cpuset.h>
+],[
+ nodemask_t mask;
+
+ set_mems_allowed(mask);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SET_MEMS_ALLOWED, 1, [have set_mems_allowed()])
+],[
+ AC_MSG_RESULT(NO)
+])
+])
+
+
+#
# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function
#
AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR],
LIBCFS_CONFIG_PANIC_DUMPLOG
LIBCFS_U64_LONG_LONG_LINUX
-
# 2.6.18
LIBCFS_TASKLIST_LOCK
LIBCFS_HAVE_IS_COMPAT_TASK
+LIBCFS_DIGEST_SETKEY_FLAGS
# 2.6.19
LIBCFS_KMEM_CACHE_DESTROY_INT
# 2.6.20
# 2.6.24
LIBCFS_SYSCTL_UNNUMBERED
LIBCFS_SCATTERLIST_SETPAGE
+LIBCFS_SCATTERLIST_INITTABLE
LIBCFS_NETWORK_NAMESPACE
LIBCFS_FUNC_DUMP_TRACE
# 2.6.26
LIBCFS_SEM_COUNT
# 2.6.27
LIBCFS_CRED_WRAPPERS
+# 2.6.28
+LIBCFS_CPUMASK_SIZE
# 2.6.29
LIBCFS_STRUCT_CRED_IN_TASK
+LIBCFS_CPU_TOPOLOGY
+LIBCFS_STRUCT_SHASH_ALG
# 2.6.30
LIBCFS_FUNC_UNSHARE_FS_STRUCT
LIBCFS_SOCK_MAP_FD_2ARG
+# 2.6.31
+LIBCFS_HAVE_SET_MEMS_ALLOWED
# 2.6.32
LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
LC_SHRINKER_WANT_SHRINK_PTR
# lnet/utils/wirecheck.c
AC_CHECK_FUNCS([strnlen])
+# lnet/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
+AC_CHECK_FUNCS([strlcpy])
+
+# libcfs/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
+AC_CHECK_FUNCS([strlcat])
+
AC_CHECK_TYPE([umode_t],
[AC_DEFINE(HAVE_UMODE_T, 1, [umode_t is defined])],
[],
git://git.whamcloud.com / fs / lustre-release.git / blobdiff