X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libcfs%2Fautoconf%2Flustre-libcfs.m4;h=b7e5c03d4fe7e35f6ea4836d218e41e61626721b;hb=c04adbcd76725a360f411f09c63df785bf7db426;hp=396f7a56c658a5b6b8e8a907d22b10467f12c144;hpb=5309e108582c692f3b60705818fddc4a3b3b1345;p=fs%2Flustre-release.git diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4 index 396f7a5..b7e5c03 100644 --- a/libcfs/autoconf/lustre-libcfs.m4 +++ b/libcfs/autoconf/lustre-libcfs.m4 @@ -197,14 +197,58 @@ shrinker_count_objects, [ ]) # LIBCFS_SHRINKER_COUNT # +# Kernel version 3.13 commit aace05097a0fd467230e39acb148be0fdaa90068 +# add match_wildcard() function. +# +AC_DEFUN([LIBCFS_MATCH_WILDCARD],[ +LB_CHECK_COMPILE([does function 'match_wildcard' exist], +match_wildcard, [ + #include +],[ + bool match; + + match = match_wildcard(NULL, NULL); +],[ + AC_DEFINE(HAVE_MATCH_WILDCARD, 1, + [match_wildcard() is available]) +]) +]) # LIBCFS_MATCH_WILDCARD + +# +# LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG +# +# v3.14-7405-g91b0abe36a7b added AS_EXITING flag with +# mapping_exiting() and mapping_set_exiting() +# +AC_DEFUN([LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG], [ +m4_pattern_allow([AS_EXITING]) +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if enum mapping_flags has AS_EXITING flag], +mapping_exiting_exists, [ + #include +],[ + enum mapping_flags flag = AS_EXITING; + (void)flag; +],[ + AC_DEFINE(HAVE_MAPPING_AS_EXITING_FLAG, 1, + [enum mapping_flags has AS_EXITING flag]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG + +# # LIBCFS_IOV_ITER_HAS_TYPE # # kernel 3.15-rc4 commit 71d8e532b1549a478e6a6a8a44f309d050294d00 # start adding the tag to iov_iter +# kernel 5.13 commit 8cd54c1c848031a87820e58d772166ffdf8c08c0 change +# ->type to ->iter_type # AC_DEFUN([LIBCFS_IOV_ITER_HAS_TYPE], [ tmp_flags="$EXTRA_KCFLAGS" EXTRA_KCFLAGS="-Werror" +iter_type_member=no LB_CHECK_COMPILE([if iov_iter has member type], iov_iter_has_type_member, [ #include @@ -214,14 +258,28 @@ iov_iter_has_type_member, [ ],[ AC_DEFINE(HAVE_IOV_ITER_HAS_TYPE_MEMBER, 1, [if iov_iter has member type]) + iter_type_member=yes ]) +if test $iter_type_member = no; then + LB_CHECK_COMPILE([if iov_iter has member iter_type], + iov_iter_has_iter_type_member, [ + #include + ],[ + struct iov_iter iter = { .iter_type = ITER_KVEC }; + (void)iter; + ],[ + AC_DEFINE(HAVE_IOV_ITER_HAS_TYPE_MEMBER, 1, + [if iov_iter has member iter_type]) + iter_type_member=yes + ]) +fi EXTRA_KCFLAGS="$tmp_flags" ]) # LIBCFS_IOV_ITER_HAS_TYPE # # LIBCFS_HAVE_NS_TO_TIMESPEC64 # -# Kernel version 4.16-rc3 commit a84d1169164b274f13b97a23ff235c000efe3b49 +# Kernel version 3.16-rc3 commit a84d1169164b274f13b97a23ff235c000efe3b49 # introduced struct __kernel_old_timeval # AC_DEFUN([LIBCFS_HAVE_NS_TO_TIMESPEC64],[ @@ -239,6 +297,27 @@ kernel_old_timeval, [ ]) # LIBCFS_HAVE_NS_TO_TIMESPEC64 # +# LIBCFS_HAVE_GLOB +# +# Kernel version 3.16 commit b01250856b25f4417c51aa33afc451fbf7da1484 +# added glob support to the Linux kernel +# +AC_DEFUN([LIBCFS_HAVE_GLOB],[ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([does 'glob_match()' exist], +glob, [ + #include +],[ + return glob_match(NULL, NULL); +],[ + AC_DEFINE(HAVE_GLOB, 1, + [glob_match() is available]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_GLOB + +# # Kernel version 3.17 changed hlist_add_after to # hlist_add_behind # @@ -415,6 +494,22 @@ ktime_get_seconds, [ ]) # LIBCFS_KTIME_GET_SECONDS # +# Kernel version 3.19 commit v3.18-rc2-26-g61ada528dea0 +# introduce wait_woken() +# +AC_DEFUN([LIBCFS_WAIT_WOKEN],[ +LB_CHECK_COMPILE([does function 'wait_woken' exist], +wait_woken, [ + #include +],[ + wait_woken(NULL, 0, 0); +],[ + AC_DEFINE(HAVE_WAIT_WOKEN, 1, + ['wait_woken, is available']) +]) +]) # LIBCFS_WAIT_WOKEN + +# # Kernel version 4.0 commit 41fbf3b39d5eca01527338b4d0ee15ee1ae1023c # introduced the helper function ktime_ms_delta. # @@ -488,6 +583,26 @@ kstrtobool_from_user, [ ]) # LIBCFS_KSTRTOBOOL_FROM_USER # +# LIBCFS_NETLINK_CALLBACK_START +# +# Kernel version 4.4-rc3 commit fc9e50f5a5a4e1fa9ba2756f745a13e693cf6a06 +# added a start function callback for struct netlink_callback +# +AC_DEFUN([LIBCFS_NETLINK_CALLBACK_START], [ +LB_CHECK_COMPILE([if struct genl_ops has start callback], +cb_start, [ + #include +],[ + struct genl_ops ops; + + ops.start = NULL; +],[ + AC_DEFINE(HAVE_NETLINK_CALLBACK_START, 1, + [struct genl_ops has 'start' callback]) +]) +]) # LIBCFS_NETLINK_CALLBACK_START + +# # Kernel version 4.5-rc1 commit d12481bc58fba89427565f8592e88446ec084a24 # added crypto hash helpers # @@ -637,7 +752,7 @@ rhashtable_walk_init, [ AC_DEFINE(HAVE_3ARG_RHASHTABLE_WALK_INIT, 1, [rhashtable_walk_init() has 3 args]) ]) -]) # LIBCFS_RHASHTABLE_REPLACE +]) # LIBCFS_RHASHTABLE_WALK_INIT_3ARG # # Kernel version 4.8-rc6 commit ca26893f05e86497a86732768ec53cd38c0819ca @@ -713,7 +828,7 @@ rhashtable_walk_enter, [ AC_DEFINE(HAVE_RHASHTABLE_WALK_ENTER, 1, [rhashtable_walk_enter() is available]) ]) -]) # LIBCFS_RHASHTABLE_REPLACE +]) # LIBCFS_RHASHTABLE_WALK_ENTER # # Kernel version 4.9 commit 768ae309a96103ed02eb1e111e838c87854d8b51 @@ -804,7 +919,7 @@ kref_read, [ AC_DEFINE(HAVE_KREF_READ, 1, [kref_read() is available]) ]) -]) LIBCFS_KREF_READ +]) # LIBCFS_KREF_READ # # Kernel version 4.11-rc1 commit da20420f83ea0fbcf3d03afda08d971ea1d8a356 @@ -824,6 +939,26 @@ rht_bucket_var, [ ]) # LIBCFS_RHT_BUCKET_VAR # +# Kernel version 4.11-rc5 commit fceb6435e85298f747fee938415057af837f5a8a +# began the enhanchement of Netlink with extended ACK struct for advanced +# error handling. By commit 7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46 we +# had full support for this new feature. +# +AC_DEFUN([LIBCFS_NL_EXT_ACK], [ +LB_CHECK_COMPILE([if Netlink supports netlink_ext_ack], +netlink_ext_ack, [ + #include +],[ + struct genl_info info; + + info.extack = NULL; +],[ + AC_DEFINE(HAVE_NL_PARSE_WITH_EXT_ACK, 1, + [netlink_ext_ack is an argument to nla_parse type function]) +]) +]) # LIBCFS_NL_EXT_ACK + +# # Kernel version 4.11 commit f9fe1c12d126f9887441fa5bb165046f30ddd4b5 # introduced rhashtable_lookup_get_insert_fast # @@ -920,6 +1055,49 @@ wait_queue_task_list, [ ]) # LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME # +# LIBCFS_WAIT_BIT_QUEUE_ENTRY_EXISTS +# +# Kernel version v4.12-rc6-23-g76c85ddc4695 +# sched/wait: Standardize wait_bit_queue naming +# +# renamed struct wait_bit_queue => wait_bit_queue_entry +# +AC_DEFUN([LIBCFS_WAIT_BIT_QUEUE_ENTRY_EXISTS], [ +LB_CHECK_COMPILE([if struct wait_bit_queue_entry exists], +struct_wait_bit_queue_entry_exists, [ + #include + #if HAVE_WAIT_BIT_HEADER_H + #include + #endif +],[ + struct wait_bit_queue_entry entry; + memset(&entry, 0, sizeof(entry)); +],[ + AC_DEFINE(HAVE_WAIT_BIT_QUEUE_ENTRY, 1, + [if struct wait_bit_queue_entry exists]) +]) +]) # LIBCFS_WAIT_BIT_QUEUE_ENTRY_EXISTS + +# +# LIBCFS_NLA_STRDUP +# +# Kernel version 4.13-rc1 commit 2cf0c8b3e6942ecafe6ebb1a6d0328a81641bf39 +# created nla_strdup(). This is needed since push strings can be +# any size. +# +AC_DEFUN([LIBCFS_NLA_STRDUP], [ +LB_CHECK_COMPILE([if 'nla_strdup()' exists], +nla_strdup, [ + #include +],[ + char *tmp = nla_strdup(NULL, GFP_KERNEL); +],[ + AC_DEFINE(HAVE_NLA_STRDUP, 1, + ['nla_strdup' is available]) +]) +]) # LIBCFS_NLA_STRDUP + +# # LIBCFS_WAIT_QUEUE_ENTRY # # Kernel version 4.13 ac6424b981bce1c4bc55675c6ce11bfe1bbfa64f @@ -985,7 +1163,7 @@ EXTRA_KCFLAGS="$tmp_flags" ]) # LIBCFS_MM_TOTALRAM_PAGES_FUNC # -# LIBCFS_NEW_KERNEL_WRITE +# LIBCFS_NEW_KERNEL_READ # # 4.14 commit bdd1d2d3d251c65b74ac4493e08db18971c09240 changed # the signature of kernel_read to match other read/write helpers @@ -1149,6 +1327,106 @@ clear_and_wake_up_bit, [ ]) # LIBCFS_CLEAR_AND_WAKE_UP_BIT # +# LIBCFS_TCP_SOCK_SET_NODELAY +# +# kernel 4.18.0-293.el8 +# tcp_sock_set_nodelay() was added +AC_DEFUN([LIBCFS_TCP_SOCK_SET_NODELAY], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if 'tcp_sock_set_nodelay()' exists], +tcp_sock_set_nodelay_exists, [ + #include +],[ + tcp_sock_set_nodelay(NULL); +],[ + AC_DEFINE(HAVE_TCP_SOCK_SET_NODELAY, 1, + ['tcp_sock_set_nodelay()' exists]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_TCP_SOCK_SET_NODELAY + +# +# LIBCFS_TCP_SOCK_SET_KEEPIDLE +# +# kernel 4.18.0-293.el8 +# tcp_sock_set_keepidle() was added +AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPIDLE], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if 'tcp_sock_set_keepidle()' exists], +tcp_sock_set_keepidle_exists, [ + #include +],[ + tcp_sock_set_keepidle(NULL, 0); +],[ + AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPIDLE, 1, + ['tcp_sock_set_keepidle()' exists]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_TCP_SOCK_SET_KEEPIDLE + +# +# LIBCFS_TCP_SOCK_SET_QUICKACK +# kernel v5.7-rc6-2504-gddd061b8daed +# tcp: add tcp_sock_set_quickack +# +AC_DEFUN([LIBCFS_TCP_SOCK_SET_QUICKACK], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if 'tcp_sock_set_quickack()' exists], +tcp_sock_set_quickack_exists, [ + #include +],[ + tcp_sock_set_quickack(NULL, 0); +],[ + AC_DEFINE(HAVE_TCP_SOCK_SET_QUICKACK, 1, + ['tcp_sock_set_quickack()' exists]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_TCP_SOCK_SET_QUICKACK + +# +# LIBCFS_TCP_SOCK_SET_KEEPINTVL +# v5.7-rc6-2508-gd41ecaac903c +# tcp: add tcp_sock_set_keepintvl +# +AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPINTVL], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if 'tcp_sock_set_keepintvl()' exists], +tcp_sock_set_keepintvl_exists, [ + #include +],[ + tcp_sock_set_keepintvl(NULL, 0); +],[ + AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPINTVL, 1, + ['tcp_sock_set_keepintvl()' exists]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_TCP_SOCK_SET_KEEPINTVL + +# +# LIBCFS_TCP_SOCK_SET_KEEPCNT +# v5.7-rc6-2509-g480aeb9639d6 +# tcp: add tcp_sock_set_keepcnt +# +AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPCNT], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if 'tcp_sock_set_keepcnt()' exists], +tcp_sock_set_keepcnt_exists, [ + #include +],[ + tcp_sock_set_keepcnt(NULL, 0); +],[ + AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPCNT, 1, + ['tcp_sock_set_keepcnt()' exists]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_TCP_SOCK_SET_KEEPCNT + +# # LIBCFS_XARRAY_SUPPORT # # 4.19-rc5 kernel commit 3159f943aafdbacb2f94c38fdaadabf2bbde2a14 @@ -1171,6 +1449,23 @@ EXTRA_KCFLAGS="$tmp_flags" ]) # LIBCFS_XARRAY_SUPPORT # +# Kernel version 4.19-rc6 commit 4a19edb60d0203cd5bf95a8b46ea8f63fd41194c +# added extended ACK handling to Netlink dump handlers +# +AC_DEFUN([LIBCFS_NL_DUMP_EXT_ACK], [ +LB_CHECK_COMPILE([if Netlink dump handlers support ext_ack], +netlink_dump_ext_ack, [ + #include +],[ + struct netlink_callback *cb = NULL; + cb->extack = NULL; +],[ + AC_DEFINE(HAVE_NL_DUMP_WITH_EXT_ACK, 1, + [netlink_ext_ack is handled for Netlink dump handlers]) +]) +]) # LIBCFS_NL_DUMP_EXT_ACK + +# # LIBCFS_HAVE_IOV_ITER_TYPE # # kernel 4.20 commit 00e23707442a75b404392cef1405ab4fd498de6b @@ -1183,7 +1478,7 @@ LB_CHECK_COMPILE([if iov_iter_type exists], macro_iov_iter_type_exists, [ #include ],[ - struct iov_iter iter = { .type = ITER_KVEC }; + struct iov_iter iter = { }; enum iter_type type = iov_iter_type(&iter); (void)type; ],[ @@ -1290,6 +1585,81 @@ EXTRA_KCFLAGS="$tmp_flags" ]) # LIBCFS_CACHE_DETAIL_WRITERS # +# LIBCFS_GENL_DUMPIT_INFO +# +# kernel v5.4-rc1 commit bf813b0afeae2f012f0e527a526c1b78ca21ad82 +# expanded struct genl_dumpit_info to include struct genl_family. +# +AC_DEFUN([LIBCFS_GENL_DUMPIT_INFO], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if struct genl_dumpit_info has family field], +genl_dumpit_info, [ + #include +],[ + static struct genl_dumpit_info info; + + info.family = NULL; +],[ + AC_DEFINE(HAVE_GENL_DUMPIT_INFO, 1, + [struct genl_dumpit_info has family field]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_GENL_DUMPIT_INFO + +# +# LIBCFS_KALLSYMS_LOOKUP +# +# kernel v5.6-11591-g0bd476e6c671 +# kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol() +AC_DEFUN([LIBCFS_KALLSYMS_LOOKUP], [ +LB_CHECK_EXPORT([kallsyms_lookup_name], [kernel/kallsyms.c], + [AC_DEFINE(HAVE_KALLSYMS_LOOKUP_NAME, 1, + [kallsyms_lookup_name is exported by kernel])]) +]) # LIBCFS_KALLSYMS_LOOKUP + +# +# v5.5-8862-gd56c0d45f0e2 +# proc: decouple proc from VFS with "struct proc_ops" +# +AC_DEFUN([LIBCFS_SRC_HAVE_PROC_OPS], [ + LB2_LINUX_TEST_SRC([proc_ops], [ + #include + + static struct proc_ops *my_proc; + ],[ + my_proc->proc_lseek = NULL; + ],[-Werror]) +]) # LIBCFS_SRC_HAVE_PROC_OPS +AC_DEFUN([LIBCFS_HAVE_PROC_OPS], [ + AC_MSG_CHECKING([if struct proc_ops exists]) + LB2_LINUX_TEST_RESULT([proc_ops], [ + AC_DEFINE(HAVE_PROC_OPS, 1, + [struct proc_ops exists]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]) +]) # LIBCFS_HAVE_PROC_OPS + +# +# LIBCFS_VMALLOC_2ARGS +# +# kernel v5.8-rc1~201^2~19 +# mm: remove the pgprot argument to __vmalloc +AC_DEFUN([LIBCFS_VMALLOC_2ARGS], [ +LB_CHECK_COMPILE([if __vmalloc has 2 args], +vmalloc_2args, [ + #include +],[ + __vmalloc(0, 0); +],[ + AC_DEFINE(HAVE_VMALLOC_2ARGS, 1, + [__vmalloc only takes 2 args.]) +]) +]) # LIBCFS_VMALLOC_2ARGS + +# # LIBCFS_HAVE_NR_UNSTABLE_NFS # # kernel v5.8-rc1~201^2~75 @@ -1330,8 +1700,240 @@ mmap_write_lock, [ ]) ]) # LIBCFS_HAVE_MMAP_LOCK -AC_DEFUN([LIBCFS_PROG_LINUX_SRC], [] ) -AC_DEFUN([LIBCFS_PROG_LINUX_RESULTS], []) +# +# LIBCFS_KERNEL_SETSOCKOPT +# +# kernel v5.8-rc1~165^2~59^2 +# net: remove kernel_setsockopt +AC_DEFUN([LIBCFS_KERNEL_SETSOCKOPT], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if kernel_setsockopt still in use], +kernel_setsockopt_exists, [ + #include +],[ + kernel_setsockopt(NULL, 0, 0, NULL, 0); +],[ + AC_DEFINE(HAVE_KERNEL_SETSOCKOPT, 1, + [kernel_setsockopt still in use]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_KERNEL_SETSOCKOPT + +# +# LIBCFS_SEC_RELEASE_SECCTX +# +# kernel linux-hwe-5.8 (5.8.0-22.23~20.04.1) +# LSM: Use lsmcontext in security_release_secctx +AC_DEFUN([LIBCFS_SEC_RELEASE_SECCTX], [ +LB_CHECK_COMPILE([if security_release_secctx has 1 arg], +security_release_secctx_1arg, [ + #include +],[ + security_release_secctx(NULL); +],[ + AC_DEFINE(HAVE_SEC_RELEASE_SECCTX_1ARG, 1, + [security_release_secctx has 1 arg.]) +]) +]) # LIBCFS_SEC_RELEASE_SECCTX + +# +# LIBCFS_HAVE_KFREE_SENSITIVE +# +# kernel v5.10-rc1~3 +# mm: remove kzfree() compatibility definition +# +AC_DEFUN([LIBCFS_HAVE_KFREE_SENSITIVE], [ +LB_CHECK_COMPILE([if kfree_sensitive() is available], +kfree_sensitive_exists, [ + #include + +],[ + kfree_sensitive(NULL); +],[ + AC_DEFINE(HAVE_KFREE_SENSITIVE, 1, + [kfree_sensitive() is available.]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_KFREE_SENSITIVE + +# +# LIBCFS_HAVE_CRYPTO_SHA2_HEADER +# +# Kernel v5.10-rc1-114-ga24d22b225ce +# crypto: sha - split sha.h into sha1.h and sha2.h +# +AC_DEFUN([LIBCFS_HAVE_CRYPTO_SHA2_HEADER], [ +LB_CHECK_LINUX_HEADER([crypto/sha2.h], [ + AC_DEFINE(HAVE_CRYPTO_SHA2_HEADER, 1, + [crypto/sha2.h is present])]) +]) # LIBCFS_HAVE_CRYPTO_SHA2_HEADER + +# +# LIBCFS_HAVE_LIST_CMP_FUNC_T +# +# kernel 5.10.70 commit 4f0f586bf0c898233d8f316f471a21db2abd522d +# treewide: Change list_sort to use const pointers +AC_DEFUN([LIBCFS_HAVE_LIST_CMP_FUNC_T], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror -Wno-unused-variable" +LB_CHECK_COMPILE([if list_cmp_func_t type is defined], +list_cmp_func_t, [ + #include +],[ + list_cmp_func_t cmp; +],[ + AC_DEFINE(HAVE_LIST_CMP_FUNC_T, 1, + [list_cmp_func_t type is defined]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_LIST_CMP_FUNC_T + +# +# LIBCFS_NLA_STRSCPY +# +# Kernel version 5.10-rc3 commit 872f690341948b502c93318f806d821c56772c42 +# replaced nla_strlcpy() with nla_strscpy(). +# +AC_DEFUN([LIBCFS_SRC_NLA_STRSCPY], [ + LB2_LINUX_TEST_SRC([nla_strscpy], [ + #include + ],[ + if (nla_strscpy(NULL, NULL, 0) < 0) + return -EINVAL; + ],[ + ],[]) +]) +AC_DEFUN([LIBCFS_NLA_STRSCPY], [ + AC_MSG_CHECKING([if 'nla_strscpy()' exists]) + LB2_LINUX_TEST_RESULT([nla_strscpy], [ + AC_DEFINE(HAVE_NLA_STRSCPY, 1, + ['nla_strscpy' is available]) + AC_MSG_RESULT(yes) + ],[ + AC_MSG_RESULT(no) + ]) +]) # LIBCFS_NLA_STRSCPY + +# +# LIBCFS_HAVE_CIPHER_HEADER +# +# Kernel 5.12 commit 0eb76ba29d16df2951d37c54ca279c4e5630b071 +# crypto: remove cipher routines from public crypto API +# +AC_DEFUN([LIBCFS_HAVE_CIPHER_HEADER], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_LINUX_HEADER([crypto/internal/cipher.h], [ + AC_DEFINE(HAVE_CIPHER_H, 1, + [crypto/internal/cipher.h is present]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_CIPHER_HEADER + +# +# LIBCFS_HAVE_TASK_RUNNING +# +# Kernel 5.13-rc6 commit b03fbd4ff24c5f075e58eb19261d5f8b3e40d +# introduced task_is_running() macro. +# +AC_DEFUN([LIBCFS_HAVE_TASK_IS_RUNNING], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_COMPILE([if task_is_running() is defined], +task_is_running, [ + #include +],[ + if (task_is_running(current)) + schedule(); +],[ + AC_DEFINE(HAVE_TASK_IS_RUNNING, 1, + [task_is_running() is defined]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_TASK_IS_RUNNING + +# +# LIBCFS_LINUX_STDARG_HEADER +# +# Kernel 5.14-rc5 commit c0891ac15f0428ffa81b2e818d416bdf3cb74ab6 +# isystem: ship and use stdarg.h +# +AC_DEFUN([LIBCFS_LINUX_STDARG_HEADER], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_LINUX_HEADER([linux/stdarg.h], [ + AC_DEFINE(HAVE_LINUX_STDARG_HEADER, 1, [linux/stdarg.h is present]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_LINUX_STDARG_HEADER + +# +# LIBCFS_HAVE_PANIC_NOTIFIER_HEADER +# +# Kernel 5.14 commit f39650de687e35766572ac89dbcd16a5911e2f0a +# kernel.h: split out panic and oops helpers +# +AC_DEFUN([LIBCFS_HAVE_PANIC_NOTIFIER_HEADER], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_LINUX_HEADER([linux/panic_notifier.h], [ + AC_DEFINE(HAVE_PANIC_NOTIFIER_H, 1, + [linux/panic_notifier.h is present]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_HAVE_PANIC_NOTIFIER_HEADER + +# +# LIBCFS_PARAM_SET_UINT_MINMAX +# +# Kernel 5.15-rc1 commit 2a14c9ae15a38148484a128b84bff7e9ffd90d68 +# moved param_set_uint_minmax to common code +# +AC_DEFUN([LIBCFS_PARAM_SET_UINT_MINMAX],[ +LB_CHECK_COMPILE([does function 'param_set_uint_minmax' exist], +param_set_uint_minmax, [ + #include +],[ + param_set_uint_minmax(NULL, NULL, 0, 0); +],[ + AC_DEFINE(HAVE_PARAM_SET_UINT_MINMAX, 1, + ['param_set_uint_minmax' is available]) +]) +]) # LIBCFS_PARAM_SET_UINT_MINMAX + +AC_DEFUN([LIBCFS_PROG_LINUX_SRC], [ + # 5.6 + LIBCFS_SRC_HAVE_PROC_OPS + # 5.10 + LIBCFS_SRC_NLA_STRSCPY + + AC_MSG_CHECKING([for available kernel interfaces to libcfs]) + LB2_LINUX_TEST_COMPILE_ALL([libcfs]) + AC_MSG_RESULT([done]) +]) +AC_DEFUN([LIBCFS_PROG_LINUX_RESULTS], [ + # 5.6 + LIBCFS_HAVE_PROC_OPS + # 5.10 + LIBCFS_NLA_STRSCPY +]) + +# +# LIBCFS_LINUX_BLK_INTEGRITY_HEADER +# +# Kernel 5.15-rc6 commit fe45e630a1035aea94c29016f2598bbde149bbe3 +# block: move integrity handling out of +# +AC_DEFUN([LIBCFS_LINUX_BLK_INTEGRITY_HEADER], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" +LB_CHECK_LINUX_HEADER([linux/blk-integrity.h], [ + AC_DEFINE(HAVE_LINUX_BLK_INTEGRITY_HEADER, 1, + [linux/blk-integrity.h is present]) +]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LIBCFS_LINUX_BLK_INTEGRITY_HEADER # # LIBCFS_PROG_LINUX @@ -1353,9 +1955,13 @@ LIBCFS_KTIME_AFTER LIBCFS_KTIME_BEFORE LIBCFS_KTIME_COMPARE LIBCFS_SHRINKER_COUNT +# 3.13 +LIBCFS_MATCH_WILDCARD # 3.15 +LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG LIBCFS_IOV_ITER_HAS_TYPE # 3.16 +LIBCFS_HAVE_GLOB LIBCFS_HAVE_NS_TO_TIMESPEC64 # 3.17 LIBCFS_HLIST_ADD_AFTER @@ -1369,6 +1975,7 @@ LIBCFS_TIMESPEC64_SUB LIBCFS_TIMESPEC64_TO_KTIME # 3.19 LIBCFS_KTIME_GET_SECONDS +LIBCFS_WAIT_WOKEN # 4.0 LIBCFS_KTIME_MS_DELTA # 4.1 @@ -1377,6 +1984,7 @@ LIBCFS_KERNEL_PARAM_LOCK LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK # 4.4 LIBCFS_KSTRTOBOOL_FROM_USER +LIBCFS_NETLINK_CALLBACK_START # 4.5 LIBCFS_CRYPTO_HASH_HELPERS LIBCFS_EXPORT_KSET_FIND_OBJ @@ -1408,11 +2016,14 @@ LIBCFS_RHT_BUCKET_VAR LIBCFS_HAVE_PROCESSOR_HEADER LIBCFS_HAVE_WAIT_BIT_HEADER LIBCFS_MEMALLOC_NORECLAIM +LIBCFS_NL_EXT_ACK LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME LIBCFS_CPUS_READ_LOCK LIBCFS_UUID_T # 4.13 +LIBCFS_NLA_STRDUP LIBCFS_WAIT_QUEUE_ENTRY +LIBCFS_WAIT_BIT_QUEUE_ENTRY_EXISTS # 4.14 LIBCFS_DEFINE_TIMER LIBCFS_NEW_KERNEL_WRITE @@ -1426,8 +2037,12 @@ LIBCFS_WAIT_VAR_EVENT # 4.17 LIBCFS_BITMAP_ALLOC LIBCFS_CLEAR_AND_WAKE_UP_BIT +# 4.18 +LIBCFS_TCP_SOCK_SET_NODELAY +LIBCFS_TCP_SOCK_SET_KEEPIDLE # 4.19 LIBCFS_XARRAY_SUPPORT +LIBCFS_NL_DUMP_EXT_ACK # 4.20 LIBCFS_HAVE_IOV_ITER_TYPE # 5.0 @@ -1437,9 +2052,33 @@ LIBCFS_GET_REQUEST_KEY_AUTH LIBCFS_LOOKUP_USER_KEY LIBCFS_FORCE_SIG_WITH_TASK LIBCFS_CACHE_DETAIL_WRITERS -LIBCFS_HAVE_NR_UNSTABLE_NFS +# 5.4 +LIBCFS_GENL_DUMPIT_INFO +# 5.7 +LIBCFS_KALLSYMS_LOOKUP +LIBCFS_TCP_SOCK_SET_QUICKACK +LIBCFS_TCP_SOCK_SET_KEEPINTVL +LIBCFS_TCP_SOCK_SET_KEEPCNT # 5.8 LIBCFS_HAVE_MMAP_LOCK +LIBCFS_KERNEL_SETSOCKOPT +LIBCFS_VMALLOC_2ARGS +LIBCFS_HAVE_NR_UNSTABLE_NFS +LIBCFS_SEC_RELEASE_SECCTX +# 5.10 +LIBCFS_HAVE_KFREE_SENSITIVE +LIBCFS_HAVE_CRYPTO_SHA2_HEADER +LIBCFS_HAVE_LIST_CMP_FUNC_T +# 5.12 +LIBCFS_HAVE_CIPHER_HEADER +# 5.13 +LIBCFS_HAVE_TASK_IS_RUNNING +# 5.14 +LIBCFS_LINUX_STDARG_HEADER +LIBCFS_HAVE_PANIC_NOTIFIER_HEADER +# 5.15 +LIBCFS_PARAM_SET_UINT_MINMAX +LIBCFS_LINUX_BLK_INTEGRITY_HEADER ]) # LIBCFS_PROG_LINUX #