X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=libcfs%2Fautoconf%2Flustre-libcfs.m4;h=db240c218a32817d2ee2a4af00208a5d8cd4cd19;hp=33b538b1504f5d1de93ee450fe8be42fab8855e5;hb=beb733c0f27c28d699700a5aabec41bf573712f8;hpb=3599a5fd270cd571344b5b9be58bc051f00f5b8d diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4 index 33b538b..db240c21 100644 --- a/libcfs/autoconf/lustre-libcfs.m4 +++ b/libcfs/autoconf/lustre-libcfs.m4 @@ -1,470 +1,656 @@ # -# LN_CONFIG_CDEBUG +# LIBCFS_CONFIG_CDEBUG # # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.) # -AC_DEFUN([LN_CONFIG_CDEBUG], -[ +AC_DEFUN([LIBCFS_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']) + [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 - AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN]) -fi +AS_IF([test "x$enable_libcfs_cdebug" = xyes], + [AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])]) AC_MSG_CHECKING([whether to enable ENTRY/EXIT]) AC_ARG_ENABLE([libcfs_trace], AC_HELP_STRING([--disable-libcfs-trace], - [disable libcfs ENTRY/EXIT]), - [],[enable_libcfs_trace='yes']) + [disable libcfs ENTRY/EXIT]), + [], [enable_libcfs_trace="yes"]) AC_MSG_RESULT([$enable_libcfs_trace]) -if test x$enable_libcfs_trace = xyes; then - AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT]) -else - AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT]) -fi +AS_IF([test "x$enable_libcfs_trace" = xyes], + [AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])]) 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']) + [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 -]) +AS_IF([test x$enable_libcfs_assert = xyes], + [AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])]) +]) # LIBCFS_CONFIG_CDEBUG # # LIBCFS_CONFIG_PANIC_DUMPLOG # # check if tunable panic_dumplog is wanted # -AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG], -[AC_MSG_CHECKING([for tunable panic_dumplog support]) +AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG], [ +AC_MSG_CHECKING([whether to use tunable 'panic_dumplog' support]) AC_ARG_ENABLE([panic_dumplog], - AC_HELP_STRING([--enable-panic_dumplog], - [enable panic_dumplog]), - [],[enable_panic_dumplog='no']) -if test x$enable_panic_dumplog = xyes ; then - AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic]) - AC_MSG_RESULT([yes (by request)]) -else - AC_MSG_RESULT([no]) -fi -]) + AC_HELP_STRING([--enable-panic_dumplog], + [enable panic_dumplog]), + [], [enable_panic_dumplog="no"]) +AC_MSG_RESULT([$enable_panic_dumplog]) +AS_IF([test "x$enable_panic_dumplog" = xyes], + [AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])]) +]) # LIBCFS_CONFIG_PANIC_DUMPLOG # -# LIBCFS_STRUCT_PAGE_LIST +# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK # -# 2.6.4 no longer has page->list +# 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops' # -AC_DEFUN([LIBCFS_STRUCT_PAGE_LIST], -[AC_MSG_CHECKING([if struct page has a list field]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK], [ +LB_CHECK_COMPILE([if 'struct stacktrace_ops' has 'walk_stack' field], +stacktrace_ops_walk_stack, [ + #include ],[ - struct page page; - &page.list; + ((struct stacktrace_ops *)0)->walk_stack(NULL, NULL, 0, NULL, NULL, NULL, NULL); ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_PAGE_LIST, 1, [struct page has a list field]) -],[ - AC_MSG_RESULT([no]) -]) + AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, + ['struct stacktrace_ops' has 'walk_stack' field]) ]) +]) # LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK # -# LIBCFS_STRUCT_SIGHAND +# LIBCFS_STACKTRACE_WARNING # -# red hat 2.4 adds sighand to struct task_struct +# 3.0 removes stacktrace_ops warning* functions # -AC_DEFUN([LIBCFS_STRUCT_SIGHAND], -[AC_MSG_CHECKING([if task_struct has a sighand field]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_STACKTRACE_WARNING], [ +LB_CHECK_COMPILE([if 'stacktrace_ops.warning' is exist], +stacktrace_ops_warning, [ + struct task_struct; + struct pt_regs; + #include ],[ - struct task_struct p; - p.sighand = NULL; + ((struct stacktrace_ops *)0)->warning(NULL, NULL); ],[ - AC_DEFINE(CONFIG_RH_2_4_20, 1, [this kernel contains Red Hat 2.4.20 patches]) - AC_MSG_RESULT([yes]) -],[ - AC_MSG_RESULT([no]) -]) + AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, + [stacktrace_ops.warning is exist]) ]) +]) # LIBCFS_STACKTRACE_WARNING # -# LIBCFS_FUNC_CPU_ONLINE +# LC_SHRINKER_WANT_SHRINK_PTR # -# cpu_online is different in rh 2.4, vanilla 2.4, and 2.6 +# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function # -AC_DEFUN([LIBCFS_FUNC_CPU_ONLINE], -[AC_MSG_CHECKING([if kernel defines cpu_online()]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - cpu_online(0); +AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR], [ +LB_CHECK_COMPILE([if 'shrinker' want self pointer in handler], +shrink_self_pointer, [ + #include ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_CPU_ONLINE, 1, [cpu_online found]) + struct shrinker *tmp = NULL; + tmp->shrink(tmp, 0, 0); ],[ - AC_MSG_RESULT([no]) -]) + AC_DEFINE(HAVE_SHRINKER_WANT_SHRINK_PTR, 1, + [shrinker want self pointer in handler]) ]) +]) # LC_SHRINKER_WANT_SHRINK_PTR # -# LIBCFS_TYPE_GFP_T +# LIBCFS_SYSCTL_CTLNAME # -# check if gfp_t is typedef-ed +# 2.6.33 no longer has ctl_name & strategy field in struct ctl_table. # -AC_DEFUN([LIBCFS_TYPE_GFP_T], -[AC_MSG_CHECKING([if kernel defines gfp_t]) -LB_LINUX_TRY_COMPILE([ - #include +AC_DEFUN([LIBCFS_SYSCTL_CTLNAME], [ +LB_CHECK_COMPILE([if 'ctl_table' has a 'ctl_name' field], +ctl_table_ctl_name, [ + #include ],[ - return sizeof(gfp_t); + struct ctl_table ct; + ct.ctl_name = sizeof(ct); ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_GFP_T, 1, [gfp_t found]) -],[ - AC_MSG_RESULT([no]) -]) + AC_DEFINE(HAVE_SYSCTL_CTLNAME, 1, + [ctl_table has ctl_name field]) ]) +]) # LIBCFS_SYSCTL_CTLNAME # -# LIBCFS_TYPE_CPUMASK_T +# LIBCFS_KSTRTOUL # -# same goes for cpumask_t +# 2.6.38 kstrtoul is added # -AC_DEFUN([LIBCFS_TYPE_CPUMASK_T], -[AC_MSG_CHECKING([if kernel defines cpumask_t]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - return sizeof (cpumask_t); +AC_DEFUN([LIBCFS_KSTRTOUL], [ +LB_CHECK_COMPILE([if Linux kernel has 'kstrtoul'], +kstrtoul, [ + #include ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_CPUMASK_T, 1, [cpumask_t found]) + unsigned long result; + return kstrtoul("12345", 0, &result); ],[ - AC_MSG_RESULT([no]) -]) + AC_DEFINE(HAVE_KSTRTOUL, 1, + [kernel has kstrtoul]) ]) +]) # LIBCFS_KSTRTOUL # -# LIBCFS_FUNC_SHOW_TASK +# LIBCFS_DUMP_TRACE_ADDRESS # -# we export show_task(), but not all kernels have it (yet) +# 2.6.39 adds a base pointer address argument to dump_trace # -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]) +AC_DEFUN([LIBCFS_DUMP_TRACE_ADDRESS], [ +LB_CHECK_COMPILE([if 'dump_trace' want address], +dump_trace_address, [ + struct task_struct; + struct pt_regs; + #include ],[ + dump_trace(NULL, NULL, NULL, 0, NULL, NULL); +],[ + AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1, + [dump_trace want address argument]) ]) -]) +]) # LIBCFS_DUMP_TRACE_ADDRESS -# check userland & kernel __u64 type -AC_DEFUN([LIBCFS_U64_LONG_LONG], -[AC_MSG_CHECKING([u64 is long long type]) -tmp_flags="$CFLAGS" -CFLAGS="$CFLAGS -Werror" -AC_COMPILE_IFELSE([ - #include - int main(void) { - unsigned long long *data1; - __u64 *data2; - - data1 = data2; - return 0; - } -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1, - [__u64 is long long type]) -],[ - AC_MSG_RESULT([no]) -]) -CFLAGS="$tmp_flags" -AC_MSG_CHECKING([kernel __u64 is long long type]) -tmp_flags="$EXTRA_KCFLAGS" -EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Werror" -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - unsigned long long *data1; - __u64 *data2 = NULL; - - data1 = data2; -],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_KERN__U64_LONG_LONG, 1, - [kernel __u64 is long long type]) -],[ - AC_MSG_RESULT([no]) -]) -EXTRA_KCFLAGS="$tmp_flags" +# +# LC_SHRINK_CONTROL +# +# FC15 2.6.40-5 backported the "shrink_control" parameter to the memory +# pressure shrinker from Linux 3.0 +# +AC_DEFUN([LC_SHRINK_CONTROL], [ +LB_CHECK_COMPILE([if 'shrink_control' is present], +shrink_control, [ + #include + #include +],[ + struct shrink_control tmp = {0}; + tmp.nr_to_scan = sizeof(tmp); +],[ + AC_DEFINE(HAVE_SHRINK_CONTROL, 1, + [shrink_control is present]) ]) +]) # LC_SHRINK_CONTROL -# 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 -],[ - struct task_struct tsk; +# +# LIBCFS_PROCESS_NAMESPACE +# +# 3.5 introduced process namespace +AC_DEFUN([LIBCFS_PROCESS_NAMESPACE], [ +LB_CHECK_LINUX_HEADER([linux/uidgid.h], [ + AC_DEFINE(HAVE_UIDGID_HEADER, 1, + [uidgid.h is present])]) +]) # LIBCFS_PROCESS_NAMESPACE - tsk.rcu.next = NULL; +# +# LIBCFS_I_UID_READ +# +# 3.5 added helpers to read the new uid/gid types from VFS structures +# SLE11 SP3 has uidgid.h but not the helpers +# +AC_DEFUN([LIBCFS_I_UID_READ], [ +LB_CHECK_COMPILE([if 'i_uid_read' is present], +i_uid_read, [ + #include ],[ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_TASK_RCU, 1, - [task_struct has rcu field]) + i_uid_read(NULL); ],[ - AC_MSG_RESULT([no]) + AC_DEFINE(HAVE_I_UID_READ, 1, [i_uid_read is present]) ]) +]) # LIBCFS_I_UID_READ + +# +# LIBCFS_SOCK_ALLOC_FILE +# +# FC18 3.7.2-201 unexport sock_map_fd() change to +# use sock_alloc_file(). +# upstream commit 56b31d1c9f1e6a3ad92e7bfe252721e05d92b285 +# +AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE], [ +LB_CHECK_EXPORT([sock_alloc_file], [net/socket.c], [ + LB_CHECK_COMPILE([if 'sock_alloc_file' takes 3 arguments], + sock_alloc_file_3args, [ + #include + ],[ + sock_alloc_file(NULL, 0, NULL); + ],[ + AC_DEFINE(HAVE_SOCK_ALLOC_FILE_3ARGS, 1, + [sock_alloc_file takes 3 arguments]) + ],[ + AC_DEFINE(HAVE_SOCK_ALLOC_FILE, 1, + [sock_alloc_file is exported]) + ]) ]) +]) # LIBCFS_SOCK_ALLOC_FILE + +# +# LIBCFS_HAVE_CRC32 +# +AC_DEFUN([LIBCFS_HAVE_CRC32], [ +LB_CHECK_CONFIG_IM([CRC32], + [have_crc32="yes"], [have_crc32="no"]) +AS_IF([test "x$have_crc32" = xyes], + [AC_DEFINE(HAVE_CRC32, 1, + [kernel compiled with CRC32 functions])]) +]) # LIBCFS_HAVE_CRC32 + +# +# LIBCFS_ENABLE_CRC32_ACCEL +# +AC_DEFUN([LIBCFS_ENABLE_CRC32_ACCEL], [ +LB_CHECK_CONFIG_IM([CRYPTO_CRC32_PCLMUL], + [enable_crc32_crypto="no"], [enable_crc32_crypto="yes"]) +AS_IF([test "x$have_crc32" = xyes -a "x$enable_crc32_crypto" = xyes], [ + AC_DEFINE(NEED_CRC32_ACCEL, 1, [need pclmulqdq based crc32]) + AC_MSG_WARN([No crc32 pclmulqdq crypto api found, enable internal pclmulqdq based crc32])]) +]) # LIBCFS_ENABLE_CRC32_ACCEL + +# +# LIBCFS_ENABLE_CRC32C_ACCEL +# +AC_DEFUN([LIBCFS_ENABLE_CRC32C_ACCEL], [ +LB_CHECK_CONFIG_IM([CRYPTO_CRC32C_INTEL], + [enable_crc32c_crypto="no"], [enable_crc32c_crypto="yes"]) +AS_IF([test "x$enable_crc32c_crypto" = xyes], [ + AC_DEFINE(NEED_CRC32C_ACCEL, 1, [need pclmulqdq based crc32c]) + AC_MSG_WARN([No crc32c pclmulqdq crypto api found, enable internal pclmulqdq based crc32c])]) +]) # LIBCFS_ENABLE_CRC32C_ACCEL -# LIBCFS_TASKLIST_LOCK -# 2.6.18 remove tasklist_lock export -AC_DEFUN([LIBCFS_TASKLIST_LOCK], -[LB_CHECK_SYMBOL_EXPORT([tasklist_lock], -[kernel/fork.c],[ -AC_DEFINE(HAVE_TASKLIST_LOCK, 1, - [tasklist_lock exported]) +# +# Kernel version 3.11 introduced ktime_get_ts64 +# +AC_DEFUN([LIBCFS_KTIME_GET_TS64],[ +LB_CHECK_COMPILE([does function 'ktime_get_ts64' exist], +ktime_get_ts64, [ + #include ],[ -]) -]) + struct timespec64 *ts = NULL; -# 2.6.19 API changes -# kmem_cache_destroy(cachep) return void instead of -# int -AC_DEFUN([LIBCFS_KMEM_CACHE_DESTROY_INT], -[AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int]) -LB_LINUX_TRY_COMPILE([ - #include + ktime_get_ts64(ts); ],[ - int i = kmem_cache_destroy(NULL); + AC_DEFINE(HAVE_KTIME_GET_TS64, 1, + ['ktime_get_ts64' is available]) +]) +]) # LIBCFS_KTIME_GET_TS64 + +# +# Kernel version 3.12 introduced ktime_add +# +AC_DEFUN([LIBCFS_KTIME_ADD],[ +LB_CHECK_COMPILE([does function 'ktime_add' exist], +ktime_add, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1, - [kmem_cache_destroy(cachep) return int]) + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + ktime_t total; + + total = ktime_add(start, end); ],[ - AC_MSG_RESULT(NO) -]) + AC_DEFINE(HAVE_KTIME_ADD, 1, + [ktime_add is available]) ]) +]) # LIBCFS_KTIME_ADD -# 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]) -LB_LINUX_TRY_COMPILE([ - #include - #include -],[ - struct atomic_notifier_head panic_notifier_list; +# Kernel version 3.12 introduced ktime_after +# +AC_DEFUN([LIBCFS_KTIME_AFTER],[ +LB_CHECK_COMPILE([does function 'ktime_after' exist], +ktime_after, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_ATOMIC_PANIC_NOTIFIER, 1, - [panic_notifier_list is atomic_notifier_head]) + ktime_t start = ktime_set(0, 0); + ktime_t end = start; + + ktime_after(start, end); ],[ - AC_MSG_RESULT(NO) -]) + AC_DEFINE(HAVE_KTIME_AFTER, 1, + [ktime_after is available]) ]) +]) # LIBCFS_KTIME_AFTER -# 2.6.20 API change INIT_WORK use 2 args and not -# store data inside -AC_DEFUN([LIBCFS_3ARGS_INIT_WORK], -[AC_MSG_CHECKING([check INIT_WORK want 3 args]) -LB_LINUX_TRY_COMPILE([ - #include +# +# FC19 3.12 kernel struct shrinker change +# +AC_DEFUN([LIBCFS_SHRINKER_COUNT],[ +LB_CHECK_COMPILE([shrinker has 'count_objects'], +shrinker_count_objects, [ + #include + #include ],[ - struct work_struct work; + ((struct shrinker*)0)->count_objects(NULL, NULL); +],[ + AC_DEFINE(HAVE_SHRINKER_COUNT, 1, + [shrinker has count_objects member]) +]) +]) # LIBCFS_SHRINKER_COUNT - INIT_WORK(&work, NULL, NULL); +# +# Kernel version 3.17 changed hlist_add_after to +# hlist_add_behind +# +AC_DEFUN([LIBCFS_HLIST_ADD_AFTER],[ +LB_CHECK_COMPILE([does function 'hlist_add_after' exist], +hlist_add_after, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1, - [INIT_WORK use 3 args and store data inside]) + hlist_add_after(NULL, NULL); ],[ - AC_MSG_RESULT(NO) -]) + AC_DEFINE(HAVE_HLIST_ADD_AFTER, 1, + [hlist_add_after is available]) ]) +]) # LIBCFS_HLIST_ADD_AFTER -# 2.6.21 api change. 'register_sysctl_table' use only one argument, -# instead of more old which need two. -AC_DEFUN([LIBCFS_2ARGS_REGISTER_SYSCTL], -[AC_MSG_CHECKING([check register_sysctl_table want 2 args]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - return register_sysctl_table(NULL,0); +# +# Kernel version 3.17 introduced struct timespec64 +# +AC_DEFUN([LIBCFS_TIMESPEC64],[ +LB_CHECK_COMPILE([does 'struct timespec64' exist], +timespec64, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1, - [register_sysctl_table want 2 args]) + struct timespec64 ts; + + ts.tv_sec = 0; + ts.tv_nsec = 0; ],[ - AC_MSG_RESULT(NO) -]) + AC_DEFINE(HAVE_TIMESPEC64, 1, + ['struct timespec64' is available]) ]) +]) # LIBCFS_TIMESPEC64 -# 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="$EXTRA_KCFLAGS" -EXTRA_KCFLAGS="-Werror" -LB_LINUX_TRY_COMPILE([ - #include - typedef struct kmem_cache cache_t; +# +# Kernel version 3.17 introduced ktime_get_real_ts64 +# +AC_DEFUN([LIBCFS_KTIME_GET_REAL_TS64],[ +LB_CHECK_COMPILE([does function 'ktime_get_real_ts64' exist], +ktime_get_real_ts64, [ + #include ],[ - cache_t *cachep = NULL; + struct timespec64 *ts = NULL; - kmem_cache_alloc(cachep, 0); -],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_KMEM_CACHE, 1, - [kernel has struct kmem_cache]) + ktime_get_real_ts64(ts); ],[ - AC_MSG_RESULT(NO) + AC_DEFINE(HAVE_KTIME_GET_REAL_TS64, 1, + ['ktime_get_real_ts64' is available]) ]) -EXTRA_KCFLAGS="$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]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - kmem_cache_create(NULL, 0, 0, 0, NULL, NULL); +]) # LIBCFS_KTIME_GET_REAL_TS64 + +# +# Kernel version 3.17 introduced ktime_get_real_seconds +# +AC_DEFUN([LIBCFS_KTIME_GET_REAL_SECONDS],[ +LB_CHECK_COMPILE([does function 'ktime_get_real_seconds' exist], +ktime_get_real_seconds, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1, - [kmem_cache_create has dtor argument]) + time64_t now; + + now = ktime_get_real_seconds(); ],[ - AC_MSG_RESULT(NO) -]) + AC_DEFINE(HAVE_KTIME_GET_REAL_SECONDS, 1, + ['ktime_get_real_seconds' is available]) ]) +]) # LIBCFS_KTIME_GET_REAL_SECONDS -# 2.6.24 request not use real numbers for ctl_name -AC_DEFUN([LN_SYSCTL_UNNUMBERED], -[AC_MSG_CHECKING([for CTL_UNNUMBERED]) -LB_LINUX_TRY_COMPILE([ - #include +# +# Kernel version 3.17 created ktime_get_real_ns wrapper +# +AC_DEFUN([LIBCFS_KTIME_GET_REAL_NS],[ +LB_CHECK_COMPILE([does function 'ktime_get_real_ns' exist], +ktime_get_real_ns, [ + #include ],[ - #ifndef CTL_UNNUMBERED - #error CTL_UNNUMBERED not exist in kernel - #endif + u64 nanoseconds; + + nanoseconds = ktime_get_real_ns(); +],[],[ + AC_DEFINE(NEED_KTIME_GET_REAL_NS, 1, + ['ktime_get_real_ns' is not available]) +]) +]) # LIBCFS_KTIME_GET_REAL_NS + +# +# Kernel version 3.17 introduced ktime_to_timespec64 +# +AC_DEFUN([LIBCFS_KTIME_TO_TIMESPEC64],[ +LB_CHECK_COMPILE([does function 'ktime_to_timespec64' exist], +ktime_to_timespec64, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SYSCTL_UNNUMBERED, 1, - [sysctl has CTL_UNNUMBERED]) + struct timespec64 ts; + ktime_t now; + + ts = ktime_to_timespec64(now); ],[ - AC_MSG_RESULT(NO) -]) + AC_DEFINE(HAVE_KTIME_TO_TIMESPEC64, 1, + ['ktime_to_timespec64' is available]) ]) +]) # LIBCFS_KTIME_TO_TIMESPEC64 -# 2.6.24 lost scatterlist->page -AC_DEFUN([LN_SCATTERLIST_SETPAGE], -[AC_MSG_CHECKING([for exist sg_set_page]) -LB_LINUX_TRY_COMPILE([ - #include -],[ - sg_set_page(NULL,NULL,0,0); +# +# Kernel version 3.19 introduced ktime_get_seconds +# +AC_DEFUN([LIBCFS_KTIME_GET_SECONDS],[ +LB_CHECK_COMPILE([does function 'ktime_get_seconds' exist], +ktime_get_seconds, [ + #include ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SCATTERLIST_SETPAGE, 1, - [struct scatterlist has page member]) + time64_t now; + + now = ktime_get_seconds(); ],[ - AC_MSG_RESULT(NO) + AC_DEFINE(HAVE_KTIME_GET_SECONDS, 1, + ['ktime_get_seconds' is available]) ]) +]) # LIBCFS_KTIME_GET_SECONDS + +# +# Kernel version 4.2 changed topology_thread_cpumask +# to topology_sibling_cpumask +# +AC_DEFUN([LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK],[ +LB_CHECK_COMPILE([does function 'topology_sibling_cpumask' exist], +topology_sibling_cpumask, [ + #include +],[ + const struct cpumask *mask; + + mask = topology_sibling_cpumask(0); +],[ + AC_DEFINE(HAVE_TOPOLOGY_SIBLING_CPUMASK, 1, + [topology_sibling_cpumask is available]) ]) +]) # LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK + +# +# Kernel version 4.2 commit df6b35f409af0a8ff1ef62f552b8402f3fef8665 +# header file i387.h was renamed to fpu/api.h +# +AC_DEFUN([LIBCFS_FPU_API], [ +LB_CHECK_LINUX_HEADER([asm/fpu/api.h], [ + AC_DEFINE(HAVE_FPU_API_HEADER, 1, + [fpu/api.h is present])]) +]) # LIBCFS_FPU_API -# 2.6.26 use int instead of atomic for sem.count -AC_DEFUN([LN_SEM_COUNT], -[AC_MSG_CHECKING([atomic sem.count]) -LB_LINUX_TRY_COMPILE([ - #include +# +# Kernel version 4.5-rc1 commit d12481bc58fba89427565f8592e88446ec084a24 +# added crypto hash helpers +# +AC_DEFUN([LIBCFS_CRYPTO_HASH_HELPERS], [ +LB_CHECK_COMPILE([does crypto hash helper functions exist], +crypto_hash_helpers, [ + #include ],[ - struct semaphore s; - - atomic_read(&s.count); + crypto_ahash_alg_name(NULL); + crypto_ahash_driver_name(NULL); ],[ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SEM_COUNT_ATOMIC, 1, - [semaphore counter is atomic]) + AC_DEFINE(HAVE_CRYPTO_HASH_HELPERS, 1, + [crypto hash helper functions are available]) +]) +]) # LIBCFS_CRYPTO_HASH_HELPERS + +# +# LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT +# +# linux 4.6 kernel changed stacktrace_ops address to return an int +# +AC_DEFUN([LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT], [ +LB_CHECK_COMPILE([if 'struct stacktrace_ops' address function returns an int], +stacktrace_ops_address_return_int, [ + #include ],[ - AC_MSG_RESULT(NO) + int rc; + + rc = ((struct stacktrace_ops *)0)->address(NULL, 0, 0); +],[ + AC_DEFINE(STACKTRACE_OPS_ADDRESS_RETURN_INT, 1, + ['struct stacktrace_ops' address function returns an int]) ]) +]) # LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT + +# +# Kernel version 4.6 removed both struct task_struct and struct mm_struct +# arguments to get_user_pages +# +AC_DEFUN([LIBCFS_GET_USER_PAGES_6ARG], [ +LB_CHECK_COMPILE([if 'get_user_pages()' takes 6 arguments], +get_user_pages_6arg, [ + #include +],[ + int rc; + + rc = get_user_pages(0, 0, 0, 0, NULL, NULL); +],[ + AC_DEFINE(HAVE_GET_USER_PAGES_6ARG, 1, + [get_user_pages takes 6 arguments]) ]) +]) # LIBCFS_GET_USER_PAGES_6ARG # -# LIBCFS_PROG_LINUX +# LIBCFS_STACKTRACE_OPS # -# LNet linux kernel checks +# Kernel version 4.8 commit c8fe4609827aedc9c4b45de80e7cdc8ccfa8541b +# removed both struct stacktrace_ops and dump_trace() function # -AC_DEFUN([LIBCFS_PROG_LINUX], -[ -LIBCFS_FUNC_CPU_ONLINE -LIBCFS_TYPE_GFP_T -LIBCFS_TYPE_CPUMASK_T -LIBCFS_CONFIG_PANIC_DUMPLOG +AC_DEFUN([LIBCFS_STACKTRACE_OPS], [ +LB_CHECK_COMPILE([if 'struct stacktrace_ops' exists], +stacktrace_ops, [ + struct task_struct; + struct pt_regs; + #include +],[ + struct stacktrace_ops ops; + ops.stack = NULL; +],[ + AC_DEFINE(HAVE_STACKTRACE_OPS, 1, + [struct stacktrace_ops exists]) +]) +]) # LIBCFS_STACKTRACE_OPS -LIBCFS_STRUCT_PAGE_LIST -LIBCFS_STRUCT_SIGHAND -LIBCFS_FUNC_SHOW_TASK -LIBCFS_U64_LONG_LONG -LIBCFS_TASK_RCU -# 2.6.18 -LIBCFS_TASKLIST_LOCK -# 2.6.19 -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 -# 2.6.24 -LN_SYSCTL_UNNUMBERED -LN_SCATTERLIST_SETPAGE -# 2.6.26 -LN_SEM_COUNT +# +# Kernel version 4.9 commit 768ae309a96103ed02eb1e111e838c87854d8b51 +# mm: replace get_user_pages() write/force parameters with gup_flags +# +AC_DEFUN([LIBCFS_GET_USER_PAGES_GUP_FLAGS], [ +LB_CHECK_COMPILE([if 'get_user_pages()' takes gup_flags in arguments], +get_user_pages_gup_flags, [ + #include +],[ + int rc; + rc = get_user_pages(0, 0, FOLL_WRITE, NULL, NULL); +],[ + AC_DEFINE(HAVE_GET_USER_PAGES_GUP_FLAGS, 1, + [get_user_pages takes gup_flags in arguments]) ]) +]) # LIBCFS_GET_USER_PAGES_GUP_FLAGS # -# LIBCFS_PROG_DARWIN +# LIBCFS_PROG_LINUX # -# Darwin checks +# LibCFS linux kernel checks # -AC_DEFUN([LIBCFS_PROG_DARWIN], -[LB_DARWIN_CHECK_FUNCS([get_preemption_level]) -]) +AC_DEFUN([LIBCFS_PROG_LINUX], [ +AC_MSG_NOTICE([LibCFS kernel checks +==============================================================================]) +LIBCFS_CONFIG_PANIC_DUMPLOG + +# 2.6.32 +LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK +LC_SHRINKER_WANT_SHRINK_PTR +# 2.6.33 +LIBCFS_SYSCTL_CTLNAME +# 2.6.38 +LIBCFS_KSTRTOUL +# 2.6.39 +LIBCFS_DUMP_TRACE_ADDRESS +# 2.6.40 fc15 +LC_SHRINK_CONTROL +# 3.0 +LIBCFS_STACKTRACE_WARNING +# 3.5 +LIBCFS_PROCESS_NAMESPACE +LIBCFS_I_UID_READ +# 3.7 +LIBCFS_SOCK_ALLOC_FILE +# 3.8 +LIBCFS_HAVE_CRC32 +LIBCFS_ENABLE_CRC32_ACCEL +# 3.10 +LIBCFS_ENABLE_CRC32C_ACCEL +# 3.11 +LIBCFS_KTIME_GET_TS64 +# 3.12 +LIBCFS_KTIME_ADD +LIBCFS_KTIME_AFTER +LIBCFS_SHRINKER_COUNT +# 3.17 +LIBCFS_HLIST_ADD_AFTER +LIBCFS_TIMESPEC64 +LIBCFS_KTIME_GET_REAL_TS64 +LIBCFS_KTIME_GET_REAL_SECONDS +LIBCFS_KTIME_GET_REAL_NS +LIBCFS_KTIME_TO_TIMESPEC64 +# 3.19 +LIBCFS_KTIME_GET_SECONDS +# 4.2 +LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK +LIBCFS_FPU_API +# 4.5 +LIBCFS_CRYPTO_HASH_HELPERS +# 4.6 +LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT +LIBCFS_GET_USER_PAGES_6ARG +# 4.8 +LIBCFS_STACKTRACE_OPS +# 4.9 +LIBCFS_GET_USER_PAGES_GUP_FLAGS +]) # LIBCFS_PROG_LINUX # # LIBCFS_PATH_DEFAULTS # # default paths for installed files # -AC_DEFUN([LIBCFS_PATH_DEFAULTS], -[ -]) +AC_DEFUN([LIBCFS_PATH_DEFAULTS], [ +]) # LIBCFS_PATH_DEFAULTS # # LIBCFS_CONFIGURE # # other configure checks # -AC_DEFUN([LIBCFS_CONFIGURE], -[# lnet/utils/portals.c +AC_DEFUN([LIBCFS_CONFIGURE], [ +AC_MSG_NOTICE([LibCFS core checks +==============================================================================]) + +# lnet/utils/portals.c AC_CHECK_HEADERS([asm/types.h endian.h sys/ioctl.h]) # lnet/utils/debug.c @@ -478,105 +664,96 @@ AC_CHECK_TYPE([spinlock_t], # lnet/utils/wirecheck.c AC_CHECK_FUNCS([strnlen]) -AC_CHECK_TYPE([umode_t], - [AC_DEFINE(HAVE_UMODE_T, 1, [umode_t is defined])], - [], - [#include ]) +# lnet/libcfs/user-prim.c, missing for RHEL5 and earlier userspace +AC_CHECK_FUNCS([strlcpy]) -AC_CHECK_TYPE([__u64], - [AC_DEFINE(HAVE___U64, 1, [__u64 is defined])], - [], - [#include ]) +# libcfs/libcfs/user-prim.c, missing for RHEL5 and earlier userspace +AC_CHECK_FUNCS([strlcat]) -AC_CHECK_TYPE([__s64], - [AC_DEFINE(HAVE___S64, 1, [__s64 is defined])], - [], - [#include ]) +# libcfs/include/libcfs/linux/linux-prim.h, ... +AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h]) + +# libcfs/include/libcfs/linux/linux-prim.h +AC_CHECK_HEADERS([linux/random.h], [], [], + [#ifdef HAVE_LINUX_TYPES_H + #include + #endif + ]) + +# libcfs/include/libcfs/linux/libcfs.h +# libcfs/include/libcfs/byteorder.h +# libcfs/libcfs/util/nidstrings.c +AC_CHECK_HEADERS([netdb.h asm/types.h endian.h]) +AC_CHECK_FUNCS([gethostbyname]) # -------- Check for required packages -------------- +AC_MSG_NOTICE([LibCFS required packages checks +==============================================================================]) -AC_MSG_CHECKING([if efence debugging support is requested]) -AC_ARG_ENABLE(efence, - AC_HELP_STRING([--enable-efence], - [use efence library]), - [],[enable_efence='no']) -AC_MSG_RESULT([$enable_efence]) -if test "$enable_efence" = "yes" ; then - LIBEFENCE="-lefence" - AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested]) -else - LIBEFENCE="" -fi -AC_SUBST(LIBEFENCE) +AC_MSG_CHECKING([whether to enable readline support]) +AC_ARG_ENABLE(readline, + AC_HELP_STRING([--disable-readline], + [disable readline support]), + [], [enable_readline="yes"]) +AC_MSG_RESULT([$enable_readline]) +LIBREADLINE="" +AS_IF([test "x$enable_readline" = xyes], [ + AC_CHECK_LIB([readline], [readline], [ + LIBREADLINE="-lreadline" + AC_DEFINE(HAVE_LIBREADLINE, 1, + [readline library is available]) + ]) +]) +AC_SUBST(LIBREADLINE) -# -------- check for -lpthread support ---- AC_MSG_CHECKING([whether to use libpthread for libcfs library]) AC_ARG_ENABLE([libpthread], - AC_HELP_STRING([--disable-libpthread], - [disable libpthread]), - [],[enable_libpthread=yes]) -if test "$enable_libpthread" = "yes" ; then - AC_CHECK_LIB([pthread], [pthread_create], - [ENABLE_LIBPTHREAD="yes"], - [ENABLE_LIBPTHREAD="no"]) - if test "$ENABLE_LIBPTHREAD" = "yes" ; then - AC_MSG_RESULT([$ENABLE_LIBPTHREAD]) + AC_HELP_STRING([--disable-libpthread], + [disable libpthread]), + [], [enable_libpthread="yes"]) +AC_MSG_RESULT([$enable_libpthread]) + +PTHREAD_LIBS="" +AS_IF([test "x$enable_libpthread" = xyes], [ + AC_CHECK_LIB([pthread], [pthread_create], [ PTHREAD_LIBS="-lpthread" - AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread]) - else - PTHREAD_LIBS="" - AC_MSG_RESULT([no libpthread is found]) - fi - AC_SUBST(PTHREAD_LIBS) -else - AC_MSG_RESULT([no (disabled explicitly)]) - ENABLE_LIBPTHREAD="no" -fi -AC_SUBST(ENABLE_LIBPTHREAD) - - + AC_DEFINE([HAVE_LIBPTHREAD], 1, + [use libpthread for libcfs library]) + ]) +], [ + AC_MSG_WARN([Using libpthread for libcfs library is disabled explicitly]) ]) +AC_SUBST(PTHREAD_LIBS) +]) # LIBCFS_CONFIGURE # # LIBCFS_CONDITIONALS # -# AM_CONDITOINAL defines for lnet -# -AC_DEFUN([LIBCFS_CONDITIONALS], -[ -]) +AC_DEFUN([LIBCFS_CONDITIONALS], [ +AM_CONDITIONAL(HAVE_CRC32, [test "x$have_crc32" = xyes]) +AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32, [test "x$have_crc32" = xyes -a "x$enable_crc32_crypto" = xyes]) +AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32C, [test "x$enable_crc32c_crypto" = xyes]) +]) # LIBCFS_CONDITIONALS # # LIBCFS_CONFIG_FILES # # files that should be generated with AC_OUTPUT # -AC_DEFUN([LIBCFS_CONFIG_FILES], -[AC_CONFIG_FILES([ -libcfs/Kernelenv +AC_DEFUN([LIBCFS_CONFIG_FILES], [ +AC_CONFIG_FILES([ libcfs/Makefile libcfs/autoMakefile libcfs/autoconf/Makefile libcfs/include/Makefile libcfs/include/libcfs/Makefile libcfs/include/libcfs/linux/Makefile -libcfs/include/libcfs/posix/Makefile libcfs/include/libcfs/util/Makefile libcfs/libcfs/Makefile libcfs/libcfs/autoMakefile libcfs/libcfs/linux/Makefile -libcfs/libcfs/ulinux/Makefile -libcfs/libcfs/posix/Makefile libcfs/libcfs/util/Makefile ]) -case $lb_target_os in - darwin) - AC_CONFIG_FILES([ -libcfs/include/libcfs/darwin/Makefile -libcfs/libcfs/darwin/Makefile -]) - ;; -esac -]) +]) # LIBCFS_CONFIG_FILES