fi
])
-#
-# LIBCFS_FUNC_CPU_ONLINE
-#
-# cpu_online is different in rh 2.4, vanilla 2.4, and 2.6
-#
-AC_DEFUN([LIBCFS_FUNC_CPU_ONLINE],
-[AC_MSG_CHECKING([if kernel defines cpu_online()])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- cpu_online(0);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LIBCFS_TYPE_GFP_T
-#
-# check if gfp_t is typedef-ed
-#
-AC_DEFUN([LIBCFS_TYPE_GFP_T],
-[AC_MSG_CHECKING([if kernel defines gfp_t])
-LB_LINUX_TRY_COMPILE([
- #include <linux/gfp.h>
-],[
- return sizeof(gfp_t);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LIBCFS_FUNC_SHOW_TASK
-#
-# we export show_task(), but not all kernels have it (yet)
-#
-AC_DEFUN([LIBCFS_FUNC_SHOW_TASK],
-[LB_CHECK_SYMBOL_EXPORT([show_task],
-[kernel/ksyms.c kernel/sched.c],[
-AC_DEFINE(HAVE_SHOW_TASK, 1, [show_task is exported])
-],[
- LB_CHECK_SYMBOL_EXPORT([sched_show_task],
- [kernel/ksyms.c kernel/sched.c],[
- AC_DEFINE(HAVE_SCHED_SHOW_TASK, 1, [sched_show_task is exported])
- ],[])
-])
-])
-
# check kernel __u64 type
AC_DEFUN([LIBCFS_U64_LONG_LONG_LINUX],
[
EXTRA_KCFLAGS="$tmp_flags"
])
-# check if task_struct with rcu memeber
-AC_DEFUN([LIBCFS_TASK_RCU],
-[AC_MSG_CHECKING([if task_struct has a rcu field])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- memset(((struct task_struct *)0)->rcu.next, 0, 0);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_TASK_RCU, 1, [task_struct has rcu field])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
# LIBCFS_TASKLIST_LOCK
# 2.6.18 remove tasklist_lock export
AC_DEFUN([LIBCFS_TASKLIST_LOCK],
])
])
+# 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
LB_LINUX_TRY_COMPILE([
#include <linux/slab.h>
],[
- int i = kmem_cache_destroy(NULL);
+ int i __attribute__ ((unused));
+ i = kmem_cache_destroy(NULL);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
])
])
-# 2.6.19 API change
-#panic_notifier_list use atomic_notifier operations
-#
-AC_DEFUN([LIBCFS_ATOMIC_PANIC_NOTIFIER],
-[AC_MSG_CHECKING([panic_notifier_list is atomic])
+# check cpumask_size (2.6.28)
+AC_DEFUN([LIBCFS_CPUMASK_SIZE],
+[AC_MSG_CHECKING([whether have cpumask_size()])
LB_LINUX_TRY_COMPILE([
- #include <linux/notifier.h>
- #include <linux/kernel.h>
+ #include <linux/cpumask.h>
],[
- struct atomic_notifier_head panic_notifier_list;
+ int size = cpumask_size();
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1,
- [panic_notifier_list is atomic_notifier_head])
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_CPUMASK_SIZE, 1, [have cpumask_size()])
],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# since 2.6.19 nlmsg_multicast() needs 5 argument.
-AC_DEFUN([LIBCFS_NLMSG_MULTICAST],
-[AC_MSG_CHECKING([nlmsg_multicast needs 5 argument])
-LB_LINUX_TRY_COMPILE([
- #include <net/netlink.h>
-],[
- nlmsg_multicast(NULL, NULL, 0, 0, 0);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NLMSG_MULTICAST_5ARGS, 1,
- [nlmsg_multicast needs 5 argument])
-],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(NO)
])
])
+# check cpu topology functions
#
-# LIBCFS_NETLINK
-#
-# If we have netlink.h, and nlmsg_new takes 2 args (2.6.19)
-#
-AC_DEFUN([LIBCFS_NETLINK],
-[AC_MSG_CHECKING([if netlink.h can be compiled])
+# 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 <net/netlink.h>
+ #include <linux/topology.h>
],[],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_NETLINK, 1, [net/netlink.h found])
-
- AC_MSG_CHECKING([if nlmsg_new takes a 2nd argument])
- LB_LINUX_TRY_COMPILE([
- #include <net/netlink.h>
- ],[
- nlmsg_new(100, GFP_KERNEL);
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_NETLINK_NL2, 1, [nlmsg_new takes 2 args])
- ],[
- AC_MSG_RESULT([no])
- ])
+ 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])
+ 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],
LB_LINUX_TRY_COMPILE([
#include <linux/workqueue.h>
],[
- struct work_struct work;
+ struct work_struct work __attribute__ ((unused));
INIT_WORK(&work, NULL, NULL);
],[
LB_LINUX_TRY_COMPILE([
#include <linux/sysctl.h>
],[
- return register_sysctl_table(NULL,0);
+ register_sysctl_table(NULL,0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
])
])
-# 2.6.21 marks kmem_cache_t deprecated and uses struct kmem_cache
-# instead
-AC_DEFUN([LIBCFS_KMEM_CACHE],
-[AC_MSG_CHECKING([check kernel has struct kmem_cache])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
- #include <linux/slab.h>
- typedef struct kmem_cache cache_t;
-],[
- cache_t *cachep = NULL;
-
- kmem_cache_alloc(cachep, 0);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_KMEM_CACHE, 1,
- [kernel has struct kmem_cache])
-],[
- AC_MSG_RESULT(NO)
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
# 2.6.23 lost dtor argument
AC_DEFUN([LIBCFS_KMEM_CACHE_CREATE_DTOR],
[AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
])
])
-# 2.6.24
-AC_DEFUN([LIBCFS_NETLINK_CBMUTEX],
-[AC_MSG_CHECKING([for mutex in netlink_kernel_create])
-LB_LINUX_TRY_COMPILE([
- #include <linux/netlink.h>
-],[
- struct mutex *lock = NULL;
-
- netlink_kernel_create(0, 0, NULL, lock, NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NETLINK_CBMUTEX, 1,
- [netlink_kernel_create want mutex for callback])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
# 2.6.24 request not use real numbers for ctl_name
AC_DEFUN([LIBCFS_SYSCTL_UNNUMBERED],
[AC_MSG_CHECKING([for CTL_UNNUMBERED])
])
])
-# 2.6.24
-AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
-[AC_MSG_CHECKING([for network stack has namespaces])
-LB_LINUX_TRY_COMPILE([
- #include <net/net_namespace.h>
-],[
- struct net *net = &init_net;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INIT_NET, 1,
- [kernel is support network namespaces ])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-
-# 2.6.24
-AC_DEFUN([LIBCFS_NETLINK_NETNS],
-[AC_MSG_CHECKING([for netlink support net ns])
+# 2.6.24-rc1 sg_init_table
+AC_DEFUN([LIBCFS_SCATTERLIST_INITTABLE],
+[AC_MSG_CHECKING([for sg_init_table])
LB_LINUX_TRY_COMPILE([
- #include <linux/netlink.h>
+ #include <asm/types.h>
+ #include <linux/scatterlist.h>
],[
- struct net *net = NULL;
- struct mutex *lock = NULL;
-
- netlink_kernel_create(net, 0, 0, NULL,
- lock,
- NULL);
+ sg_init_table(NULL,0);
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NETLINK_NS, 1,
- [netlink is support network namespace])
-# XXX
-# for now - if kernel have netlink ns - he uses cbmutex
- AC_DEFINE(HAVE_NETLINK_CBMUTEX, 1,
- [netlink_kernel_create want mutex for callback])
-
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SCATTERLIST_INITTABLE, 1,
+ [scatterlist has sg_init_table])
],[
- AC_MSG_RESULT(NO)
+ AC_MSG_RESULT(NO)
])
])
-# ~2.6.24
-AC_DEFUN([LIBCFS_NL_BROADCAST_GFP],
-[AC_MSG_CHECKING([for netlink_broadcast is want to have gfp parameter])
+# 2.6.24
+AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
+[AC_MSG_CHECKING([for network stack has namespaces])
LB_LINUX_TRY_COMPILE([
- #include <linux/netlink.h>
+ #include <net/net_namespace.h>
],[
- gfp_t gfp = GFP_KERNEL;
-
- netlink_broadcast(NULL, NULL, 0, 0, gfp);
+ struct net *net __attribute__ ((unused));
+ net = &init_net;
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_NL_BROADCAST_GFP, 1,
- [netlink brouacast is want to have gfp paramter])
+ AC_DEFINE(HAVE_INIT_NET, 1,
+ [kernel is support network namespaces ])
],[
AC_MSG_RESULT(NO)
])
AC_MSG_RESULT(no)
],[
])
+ AC_MSG_CHECKING([whether stacktrace_ops.warning is exist])
+ LB_LINUX_TRY_COMPILE([
+ struct task_struct;
+ struct pt_regs;
+ #include <asm/stacktrace.h>
+ ],[
+ ((struct stacktrace_ops *)0)->warning(NULL, NULL);
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, [stacktrace_ops.warning is exist])
+ ],[
+ AC_MSG_RESULT(no)
+ ],[
+ ])
AC_MSG_CHECKING([dump_trace want address])
LB_LINUX_TRY_COMPILE([
struct task_struct;
LB_LINUX_TRY_COMPILE([
#include <asm/semaphore.h>
],[
- struct semaphore s;
-
+ struct semaphore s __attribute__ ((unused));
+
atomic_read(&s.count);
],[
AC_MSG_RESULT(yes)
])
])
+# 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
#
LB_LINUX_TRY_COMPILE([
#include <linux/compat.h>
],[
- int i = is_compat_task();
+ int i __attribute__ ((unused));
+ i = is_compat_task();
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_IS_COMPAT_TASK, 1, [is_compat_task() is available])
])
#
+# 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],
])
])
+#
+# 2.6.35 kernel has sk_sleep function
+#
+AC_DEFUN([LC_SK_SLEEP],
+[AC_MSG_CHECKING([if kernel has sk_sleep])
+LB_LINUX_TRY_COMPILE([
+ #include <net/sock.h>
+],[
+ sk_sleep(NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SK_SLEEP, 1, [kernel has sk_sleep])
+],[
+ AC_MSG_RESULT(no)
+])
+])
#
# FC15 2.6.40-5 backported the "shrink_control" parameter to the memory
#
AC_DEFUN([LIBCFS_PROG_LINUX],
[
-LIBCFS_FUNC_CPU_ONLINE
-LIBCFS_TYPE_GFP_T
LIBCFS_CONFIG_PANIC_DUMPLOG
-LIBCFS_FUNC_SHOW_TASK
LIBCFS_U64_LONG_LONG_LINUX
-LIBCFS_TASK_RCU
# 2.6.18
LIBCFS_TASKLIST_LOCK
LIBCFS_HAVE_IS_COMPAT_TASK
+LIBCFS_DIGEST_SETKEY_FLAGS
# 2.6.19
-LIBCFS_NETLINK
-LIBCFS_NLMSG_MULTICAST
LIBCFS_KMEM_CACHE_DESTROY_INT
-LIBCFS_ATOMIC_PANIC_NOTIFIER
# 2.6.20
LIBCFS_3ARGS_INIT_WORK
# 2.6.21
LIBCFS_2ARGS_REGISTER_SYSCTL
-LIBCFS_KMEM_CACHE
# 2.6.23
LIBCFS_KMEM_CACHE_CREATE_DTOR
-LIBCFS_NETLINK_CBMUTEX
LC_REGISTER_SHRINKER
# 2.6.24
LIBCFS_SYSCTL_UNNUMBERED
LIBCFS_SCATTERLIST_SETPAGE
-LIBCFS_NL_BROADCAST_GFP
+LIBCFS_SCATTERLIST_INITTABLE
LIBCFS_NETWORK_NAMESPACE
-LIBCFS_NETLINK_NETNS
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
LIBCFS_SYSCTL_CTLNAME
# 2.6.34
LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
+# 2.6.35
+LC_SK_SLEEP
# 2.6.40 fc15
LC_SHRINK_CONTROL
])
# 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