]>
Commit | Line | Data |
---|---|---|
c9c0d073 | 1 | dnl # |
fc0c72b1 | 2 | dnl # Default ZFS kernel configuration |
c9c0d073 BB |
3 | dnl # |
4 | AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ | |
9f0a21e6 MM |
5 | AM_COND_IF([BUILD_LINUX], [ |
6 | dnl # Setup the kernel build environment. | |
7 | ZFS_AC_KERNEL | |
8 | ZFS_AC_QAT | |
608f8749 | 9 | |
9f0a21e6 | 10 | dnl # Sanity checks for module building and CONFIG_* defines |
9f0a21e6 | 11 | ZFS_AC_KERNEL_CONFIG_DEFINED |
a0dfd98a | 12 | ZFS_AC_MODULE_SYMVERS |
608f8749 | 13 | |
9f0a21e6 MM |
14 | dnl # Sequential ZFS_LINUX_TRY_COMPILE tests |
15 | ZFS_AC_KERNEL_FPU_HEADER | |
8c7d604c | 16 | ZFS_AC_KERNEL_OBJTOOL_HEADER |
9f0a21e6 MM |
17 | ZFS_AC_KERNEL_WAIT_QUEUE_ENTRY_T |
18 | ZFS_AC_KERNEL_MISC_MINOR | |
19 | ZFS_AC_KERNEL_DECLARE_EVENT_CLASS | |
608f8749 | 20 | |
9f0a21e6 MM |
21 | dnl # Parallel ZFS_LINUX_TEST_SRC / ZFS_LINUX_TEST_RESULT tests |
22 | ZFS_AC_KERNEL_TEST_SRC | |
23 | ZFS_AC_KERNEL_TEST_RESULT | |
608f8749 | 24 | |
9f0a21e6 MM |
25 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
26 | KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ" | |
27 | ]) | |
608f8749 | 28 | |
9f0a21e6 MM |
29 | AC_SUBST(KERNEL_MAKE) |
30 | ]) | |
608f8749 BB |
31 | ]) |
32 | ||
33 | dnl # | |
34 | dnl # Generate and compile all of the kernel API test cases to determine | |
35 | dnl # which interfaces are available. By invoking the kernel build system | |
36 | dnl # only once the compilation can be done in parallel significantly | |
37 | dnl # speeding up the process. | |
38 | dnl # | |
39 | AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [ | |
40 | ZFS_AC_KERNEL_SRC_OBJTOOL | |
41 | ZFS_AC_KERNEL_SRC_GLOBAL_PAGE_STATE | |
42 | ZFS_AC_KERNEL_SRC_ACCESS_OK_TYPE | |
608f8749 BB |
43 | ZFS_AC_KERNEL_SRC_PDE_DATA |
44 | ZFS_AC_KERNEL_SRC_FALLOCATE | |
45 | ZFS_AC_KERNEL_SRC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE | |
46 | ZFS_AC_KERNEL_SRC_RWSEM | |
47 | ZFS_AC_KERNEL_SRC_SCHED | |
48 | ZFS_AC_KERNEL_SRC_USLEEP_RANGE | |
49 | ZFS_AC_KERNEL_SRC_KMEM_CACHE | |
66955885 | 50 | ZFS_AC_KERNEL_SRC_KVMALLOC |
080102a1 | 51 | ZFS_AC_KERNEL_SRC_VMALLOC_PAGE_KERNEL |
608f8749 BB |
52 | ZFS_AC_KERNEL_SRC_WAIT |
53 | ZFS_AC_KERNEL_SRC_INODE_TIMES | |
54 | ZFS_AC_KERNEL_SRC_INODE_LOCK | |
55 | ZFS_AC_KERNEL_SRC_GROUP_INFO_GID | |
56 | ZFS_AC_KERNEL_SRC_RW | |
57 | ZFS_AC_KERNEL_SRC_TIMER_SETUP | |
608f8749 | 58 | ZFS_AC_KERNEL_SRC_SUPER_USER_NS |
0dd73648 | 59 | ZFS_AC_KERNEL_SRC_PROC_OPERATIONS |
608f8749 | 60 | ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS |
066e8252 BB |
61 | ZFS_AC_KERNEL_SRC_BIO |
62 | ZFS_AC_KERNEL_SRC_BLKDEV | |
63 | ZFS_AC_KERNEL_SRC_BLK_QUEUE | |
026f126b | 64 | ZFS_AC_KERNEL_SRC_GENHD_FLAGS |
19697e45 | 65 | ZFS_AC_KERNEL_SRC_REVALIDATE_DISK |
608f8749 BB |
66 | ZFS_AC_KERNEL_SRC_GET_DISK_RO |
67 | ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL | |
68 | ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY | |
69 | ZFS_AC_KERNEL_SRC_INODE_OWNER_OR_CAPABLE | |
70 | ZFS_AC_KERNEL_SRC_XATTR | |
71 | ZFS_AC_KERNEL_SRC_ACL | |
72 | ZFS_AC_KERNEL_SRC_INODE_GETATTR | |
73 | ZFS_AC_KERNEL_SRC_INODE_SET_FLAGS | |
74 | ZFS_AC_KERNEL_SRC_INODE_SET_IVERSION | |
75 | ZFS_AC_KERNEL_SRC_SHOW_OPTIONS | |
76 | ZFS_AC_KERNEL_SRC_FILE_INODE | |
77 | ZFS_AC_KERNEL_SRC_FILE_DENTRY | |
78 | ZFS_AC_KERNEL_SRC_FSYNC | |
79 | ZFS_AC_KERNEL_SRC_AIO_FSYNC | |
80 | ZFS_AC_KERNEL_SRC_EVICT_INODE | |
81 | ZFS_AC_KERNEL_SRC_DIRTY_INODE | |
82 | ZFS_AC_KERNEL_SRC_SHRINKER | |
e2a82961 | 83 | ZFS_AC_KERNEL_SRC_MKDIR |
066e8252 | 84 | ZFS_AC_KERNEL_SRC_LOOKUP_FLAGS |
e2a82961 | 85 | ZFS_AC_KERNEL_SRC_CREATE |
eebfd28e | 86 | ZFS_AC_KERNEL_SRC_PERMISSION |
608f8749 BB |
87 | ZFS_AC_KERNEL_SRC_GET_LINK |
88 | ZFS_AC_KERNEL_SRC_PUT_LINK | |
89 | ZFS_AC_KERNEL_SRC_TMPFILE | |
608f8749 BB |
90 | ZFS_AC_KERNEL_SRC_AUTOMOUNT |
91 | ZFS_AC_KERNEL_SRC_ENCODE_FH_WITH_INODE | |
92 | ZFS_AC_KERNEL_SRC_COMMIT_METADATA | |
93 | ZFS_AC_KERNEL_SRC_CLEAR_INODE | |
94 | ZFS_AC_KERNEL_SRC_SETATTR_PREPARE | |
95 | ZFS_AC_KERNEL_SRC_INSERT_INODE_LOCKED | |
96 | ZFS_AC_KERNEL_SRC_DENTRY | |
97 | ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE | |
98 | ZFS_AC_KERNEL_SRC_SECURITY_INODE | |
99 | ZFS_AC_KERNEL_SRC_FST_MOUNT | |
100 | ZFS_AC_KERNEL_SRC_BDI | |
101 | ZFS_AC_KERNEL_SRC_SET_NLINK | |
608f8749 BB |
102 | ZFS_AC_KERNEL_SRC_SGET |
103 | ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE | |
7dde17e8 | 104 | ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO |
608f8749 BB |
105 | ZFS_AC_KERNEL_SRC_VFS_GETATTR |
106 | ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS | |
107 | ZFS_AC_KERNEL_SRC_VFS_ITERATE | |
108 | ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO | |
109 | ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE | |
110 | ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS | |
1c2358c1 | 111 | ZFS_AC_KERNEL_SRC_VFS_IOV_ITER |
608f8749 BB |
112 | ZFS_AC_KERNEL_SRC_KMAP_ATOMIC_ARGS |
113 | ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE | |
114 | ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN | |
115 | ZFS_AC_KERNEL_SRC_GENERIC_IO_ACCT | |
116 | ZFS_AC_KERNEL_SRC_FPU | |
117 | ZFS_AC_KERNEL_SRC_FMODE_T | |
118 | ZFS_AC_KERNEL_SRC_KUIDGID_T | |
119 | ZFS_AC_KERNEL_SRC_KUID_HELPERS | |
120 | ZFS_AC_KERNEL_SRC_MODULE_PARAM_CALL_CONST | |
e2a82961 | 121 | ZFS_AC_KERNEL_SRC_RENAME |
608f8749 BB |
122 | ZFS_AC_KERNEL_SRC_CURRENT_TIME |
123 | ZFS_AC_KERNEL_SRC_USERNS_CAPABILITIES | |
124 | ZFS_AC_KERNEL_SRC_IN_COMPAT_SYSCALL | |
ff5587d6 | 125 | ZFS_AC_KERNEL_SRC_KTIME |
608f8749 BB |
126 | ZFS_AC_KERNEL_SRC_TOTALRAM_PAGES_FUNC |
127 | ZFS_AC_KERNEL_SRC_TOTALHIGH_PAGES | |
128 | ZFS_AC_KERNEL_SRC_KSTRTOUL | |
ec1fea45 | 129 | ZFS_AC_KERNEL_SRC_PERCPU |
60a4c7d2 | 130 | ZFS_AC_KERNEL_SRC_CPU_HOTPLUG |
e2a82961 CK |
131 | ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR_USERNS |
132 | ZFS_AC_KERNEL_SRC_MKNOD | |
133 | ZFS_AC_KERNEL_SRC_SYMLINK | |
ffd6978e | 134 | ZFS_AC_KERNEL_SRC_BIO_MAX_SEGS |
414f7249 PD |
135 | ZFS_AC_KERNEL_SRC_SIGNAL_STOP |
136 | ZFS_AC_KERNEL_SRC_SIGINFO | |
0cdda2ed | 137 | ZFS_AC_KERNEL_SRC_SYSFS |
414f7249 | 138 | ZFS_AC_KERNEL_SRC_SET_SPECIAL_STATE |
7d524c06 | 139 | ZFS_AC_KERNEL_SRC_VFS_READPAGES |
1c24bf96 | 140 | ZFS_AC_KERNEL_SRC_VFS_SET_PAGE_DIRTY_NOBUFFERS |
a3588c68 | 141 | ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG |
c0fb44c5 | 142 | ZFS_AC_KERNEL_SRC_PAGEMAP_FOLIO_WAIT_BIT |
12fa250d | 143 | ZFS_AC_KERNEL_SRC_ADD_DISK |
a9856574 | 144 | ZFS_AC_KERNEL_SRC_KTHREAD |
becc717f | 145 | ZFS_AC_KERNEL_SRC_ZERO_PAGE |
849c14e0 | 146 | ZFS_AC_KERNEL_SRC___COPY_FROM_USER_INATOMIC |
608f8749 BB |
147 | |
148 | AC_MSG_CHECKING([for available kernel interfaces]) | |
149 | ZFS_LINUX_TEST_COMPILE_ALL([kabi]) | |
150 | AC_MSG_RESULT([done]) | |
151 | ]) | |
152 | ||
153 | dnl # | |
154 | dnl # Check results of kernel interface tests. | |
155 | dnl # | |
156 | AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [ | |
157 | ZFS_AC_KERNEL_ACCESS_OK_TYPE | |
158 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE | |
650383f2 | 159 | ZFS_AC_KERNEL_OBJTOOL |
93ce2b4c | 160 | ZFS_AC_KERNEL_PDE_DATA |
93ce2b4c BB |
161 | ZFS_AC_KERNEL_FALLOCATE |
162 | ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE | |
608f8749 BB |
163 | ZFS_AC_KERNEL_RWSEM |
164 | ZFS_AC_KERNEL_SCHED | |
93ce2b4c | 165 | ZFS_AC_KERNEL_USLEEP_RANGE |
608f8749 | 166 | ZFS_AC_KERNEL_KMEM_CACHE |
66955885 | 167 | ZFS_AC_KERNEL_KVMALLOC |
080102a1 | 168 | ZFS_AC_KERNEL_VMALLOC_PAGE_KERNEL |
608f8749 | 169 | ZFS_AC_KERNEL_WAIT |
6413c95f | 170 | ZFS_AC_KERNEL_INODE_TIMES |
93ce2b4c BB |
171 | ZFS_AC_KERNEL_INODE_LOCK |
172 | ZFS_AC_KERNEL_GROUP_INFO_GID | |
608f8749 | 173 | ZFS_AC_KERNEL_RW |
8b8b44d0 | 174 | ZFS_AC_KERNEL_TIMER_SETUP |
938cfeb0 | 175 | ZFS_AC_KERNEL_SUPER_USER_NS |
0dd73648 | 176 | ZFS_AC_KERNEL_PROC_OPERATIONS |
608f8749 | 177 | ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS |
066e8252 BB |
178 | ZFS_AC_KERNEL_BIO |
179 | ZFS_AC_KERNEL_BLKDEV | |
180 | ZFS_AC_KERNEL_BLK_QUEUE | |
026f126b | 181 | ZFS_AC_KERNEL_GENHD_FLAGS |
19697e45 | 182 | ZFS_AC_KERNEL_REVALIDATE_DISK |
c9c0d073 | 183 | ZFS_AC_KERNEL_GET_DISK_RO |
a5e046ea | 184 | ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL |
ee5fd0bb | 185 | ZFS_AC_KERNEL_DISCARD_GRANULARITY |
023699cd | 186 | ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE |
608f8749 BB |
187 | ZFS_AC_KERNEL_XATTR |
188 | ZFS_AC_KERNEL_ACL | |
189 | ZFS_AC_KERNEL_INODE_GETATTR | |
a5248129 | 190 | ZFS_AC_KERNEL_INODE_SET_FLAGS |
18f57327 | 191 | ZFS_AC_KERNEL_INODE_SET_IVERSION |
47621f3d | 192 | ZFS_AC_KERNEL_SHOW_OPTIONS |
534759fa | 193 | ZFS_AC_KERNEL_FILE_INODE |
d9c97ec0 | 194 | ZFS_AC_KERNEL_FILE_DENTRY |
adcd70bd | 195 | ZFS_AC_KERNEL_FSYNC |
7ca25051 | 196 | ZFS_AC_KERNEL_AIO_FSYNC |
608f8749 BB |
197 | ZFS_AC_KERNEL_EVICT_INODE |
198 | ZFS_AC_KERNEL_DIRTY_INODE | |
199 | ZFS_AC_KERNEL_SHRINKER | |
e2a82961 | 200 | ZFS_AC_KERNEL_MKDIR |
066e8252 | 201 | ZFS_AC_KERNEL_LOOKUP_FLAGS |
e2a82961 | 202 | ZFS_AC_KERNEL_CREATE |
eebfd28e | 203 | ZFS_AC_KERNEL_PERMISSION |
beeed459 | 204 | ZFS_AC_KERNEL_GET_LINK |
bd29109f | 205 | ZFS_AC_KERNEL_PUT_LINK |
ace1eae8 | 206 | ZFS_AC_KERNEL_TMPFILE |
ebe7e575 | 207 | ZFS_AC_KERNEL_AUTOMOUNT |
756c3e5a | 208 | ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE |
393b44c7 | 209 | ZFS_AC_KERNEL_COMMIT_METADATA |
739a1a82 | 210 | ZFS_AC_KERNEL_CLEAR_INODE |
3b0ba3ba | 211 | ZFS_AC_KERNEL_SETATTR_PREPARE |
bdf4328b | 212 | ZFS_AC_KERNEL_INSERT_INODE_LOCKED |
608f8749 | 213 | ZFS_AC_KERNEL_DENTRY |
b3129792 | 214 | ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
608f8749 | 215 | ZFS_AC_KERNEL_SECURITY_INODE |
93b43af1 | 216 | ZFS_AC_KERNEL_FST_MOUNT |
7dae2c81 | 217 | ZFS_AC_KERNEL_BDI |
28eb9213 | 218 | ZFS_AC_KERNEL_SET_NLINK |
608f8749 | 219 | ZFS_AC_KERNEL_SGET |
802e7b5f | 220 | ZFS_AC_KERNEL_LSEEK_EXECUTE |
7dde17e8 | 221 | ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO |
608f8749 BB |
222 | ZFS_AC_KERNEL_VFS_GETATTR |
223 | ZFS_AC_KERNEL_VFS_FSYNC_2ARGS | |
0f37d0c8 | 224 | ZFS_AC_KERNEL_VFS_ITERATE |
a584ef26 | 225 | ZFS_AC_KERNEL_VFS_DIRECT_IO |
608f8749 BB |
226 | ZFS_AC_KERNEL_VFS_RW_ITERATE |
227 | ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS | |
1c2358c1 | 228 | ZFS_AC_KERNEL_VFS_IOV_ITER |
17888ae3 | 229 | ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS |
278bee93 | 230 | ZFS_AC_KERNEL_FOLLOW_DOWN_ONE |
37f9dac5 | 231 | ZFS_AC_KERNEL_MAKE_REQUEST_FN |
608f8749 | 232 | ZFS_AC_KERNEL_GENERIC_IO_ACCT |
fc0c72b1 | 233 | ZFS_AC_KERNEL_FPU |
608f8749 BB |
234 | ZFS_AC_KERNEL_FMODE_T |
235 | ZFS_AC_KERNEL_KUIDGID_T | |
82a1b2d6 | 236 | ZFS_AC_KERNEL_KUID_HELPERS |
9cc1844a | 237 | ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST |
e2a82961 | 238 | ZFS_AC_KERNEL_RENAME |
2946a1a1 | 239 | ZFS_AC_KERNEL_CURRENT_TIME |
0e85048f | 240 | ZFS_AC_KERNEL_USERNS_CAPABILITIES |
e897a23e | 241 | ZFS_AC_KERNEL_IN_COMPAT_SYSCALL |
ff5587d6 | 242 | ZFS_AC_KERNEL_KTIME |
031cea17 | 243 | ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC |
de3e0b91 | 244 | ZFS_AC_KERNEL_TOTALHIGH_PAGES |
8708fd88 | 245 | ZFS_AC_KERNEL_KSTRTOUL |
ec1fea45 | 246 | ZFS_AC_KERNEL_PERCPU |
60a4c7d2 | 247 | ZFS_AC_KERNEL_CPU_HOTPLUG |
e2a82961 CK |
248 | ZFS_AC_KERNEL_GENERIC_FILLATTR_USERNS |
249 | ZFS_AC_KERNEL_MKNOD | |
250 | ZFS_AC_KERNEL_SYMLINK | |
ffd6978e | 251 | ZFS_AC_KERNEL_BIO_MAX_SEGS |
414f7249 PD |
252 | ZFS_AC_KERNEL_SIGNAL_STOP |
253 | ZFS_AC_KERNEL_SIGINFO | |
0cdda2ed | 254 | ZFS_AC_KERNEL_SYSFS |
414f7249 | 255 | ZFS_AC_KERNEL_SET_SPECIAL_STATE |
7d524c06 | 256 | ZFS_AC_KERNEL_VFS_READPAGES |
1c24bf96 | 257 | ZFS_AC_KERNEL_VFS_SET_PAGE_DIRTY_NOBUFFERS |
a3588c68 | 258 | ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG |
c0fb44c5 | 259 | ZFS_AC_KERNEL_PAGEMAP_FOLIO_WAIT_BIT |
12fa250d | 260 | ZFS_AC_KERNEL_ADD_DISK |
a9856574 | 261 | ZFS_AC_KERNEL_KTHREAD |
becc717f | 262 | ZFS_AC_KERNEL_ZERO_PAGE |
849c14e0 | 263 | ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC |
c9c0d073 BB |
264 | ]) |
265 | ||
266 | dnl # | |
267 | dnl # Detect name used for Module.symvers file in kernel | |
268 | dnl # | |
269 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
270 | modpost=$LINUX/scripts/Makefile.modpost | |
271 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
319a99a3 | 272 | AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [ |
8366cd6a | 273 | AS_IF([grep -q Modules.symvers $modpost], [ |
c9c0d073 | 274 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 275 | ], [ |
c9c0d073 | 276 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 277 | ]) |
a60b1c0a | 278 | |
8366cd6a | 279 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
280 | AC_MSG_ERROR([ |
281 | *** Please make sure the kernel devel package for your distribution | |
608f8749 BB |
282 | *** is installed. If you are building with a custom kernel, make sure |
283 | *** the kernel is configured, built, and the '--with-linux=PATH' | |
284 | *** configure option refers to the location of the kernel source. | |
285 | ]) | |
8366cd6a PS |
286 | ]) |
287 | ], [ | |
c9c0d073 | 288 | LINUX_SYMBOLS=NONE |
8366cd6a | 289 | ]) |
c9c0d073 BB |
290 | AC_MSG_RESULT($LINUX_SYMBOLS) |
291 | AC_SUBST(LINUX_SYMBOLS) | |
292 | ]) | |
293 | ||
294 | dnl # | |
295 | dnl # Detect the kernel to be built against | |
296 | dnl # | |
72f3c8b1 DS |
297 | dnl # Most modern Linux distributions have separate locations for bare |
298 | dnl # source (source) and prebuilt (build) files. Additionally, there are | |
299 | dnl # `source` and `build` symlinks in `/lib/modules/$(KERNEL_VERSION)` | |
300 | dnl # pointing to them. The directory search order is now: | |
301 | dnl # | |
302 | dnl # - `configure` command line values if both `--with-linux` and | |
303 | dnl # `--with-linux-obj` were defined | |
304 | dnl # | |
305 | dnl # - If only `--with-linux` was defined, `--with-linux-obj` is assumed | |
306 | dnl # to have the same value as `--with-linux` | |
307 | dnl # | |
308 | dnl # - If neither `--with-linux` nor `--with-linux-obj` were defined | |
309 | dnl # autodetection is used: | |
310 | dnl # | |
311 | dnl # - `/lib/modules/$(uname -r)/{source,build}` respectively, if exist. | |
312 | dnl # | |
313 | dnl # - If only `/lib/modules/$(uname -r)/build` exists, it is assumed | |
314 | dnl # to be both source and build directory. | |
315 | dnl # | |
316 | dnl # - The first directory in `/lib/modules` with the highest version | |
317 | dnl # number according to `sort -V` which contains both `source` and | |
318 | dnl # `build` symlinks/directories. If module directory contains only | |
319 | dnl # `build` component, it is assumed to be both source and build | |
320 | dnl # directory. | |
321 | dnl # | |
322 | dnl # - Last resort: the first directory matching `/usr/src/kernels/*` | |
323 | dnl # and `/usr/src/linux-*` with the highest version number according | |
324 | dnl # to `sort -V` is assumed to be both source and build directory. | |
325 | dnl # | |
c9c0d073 BB |
326 | AC_DEFUN([ZFS_AC_KERNEL], [ |
327 | AC_ARG_WITH([linux], | |
328 | AS_HELP_STRING([--with-linux=PATH], | |
329 | [Path to kernel source]), | |
330 | [kernelsrc="$withval"]) | |
331 | ||
332 | AC_ARG_WITH(linux-obj, | |
333 | AS_HELP_STRING([--with-linux-obj=PATH], | |
334 | [Path to kernel build objects]), | |
335 | [kernelbuild="$withval"]) | |
336 | ||
72f3c8b1 DS |
337 | AC_MSG_CHECKING([kernel source and build directories]) |
338 | AS_IF([test -n "$kernelsrc" && test -z "$kernelbuild"], [ | |
339 | kernelbuild="$kernelsrc" | |
340 | ], [test -z "$kernelsrc"], [ | |
341 | AS_IF([test -e "/lib/modules/$(uname -r)/source" && \ | |
342 | test -e "/lib/modules/$(uname -r)/build"], [ | |
343 | src="/lib/modules/$(uname -r)/source" | |
344 | build="/lib/modules/$(uname -r)/build" | |
8366cd6a | 345 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
72f3c8b1 DS |
346 | build="/lib/modules/$(uname -r)/build" |
347 | src="$build" | |
8366cd6a | 348 | ], [ |
72f3c8b1 DS |
349 | src= |
350 | ||
351 | for d in $(ls -1d /lib/modules/* 2>/dev/null | sort -Vr); do | |
352 | if test -e "$d/source" && test -e "$d/build"; then | |
353 | src="$d/source" | |
354 | build="$d/build" | |
355 | break | |
356 | fi | |
357 | ||
358 | if test -e "$d/build"; then | |
359 | src="$d/build" | |
360 | build="$d/build" | |
361 | break | |
362 | fi | |
363 | done | |
364 | ||
365 | # the least reliable method | |
366 | if test -z "$src"; then | |
367 | src=$(ls -1d /usr/src/kernels/* /usr/src/linux-* \ | |
368 | 2>/dev/null | grep -v obj | sort -Vr | head -1) | |
369 | build="$src" | |
370 | fi | |
8366cd6a | 371 | ]) |
c9c0d073 | 372 | |
72f3c8b1 DS |
373 | AS_IF([test -n "$src" && test -e "$src"], [ |
374 | kernelsrc=$(readlink -e "$src") | |
8366cd6a | 375 | ], [ |
56a517ae | 376 | kernelsrc="[Not found]" |
8366cd6a | 377 | ]) |
72f3c8b1 DS |
378 | AS_IF([test -n "$build" && test -e "$build"], [ |
379 | kernelbuild=$(readlink -e "$build") | |
380 | ], [ | |
381 | kernelbuild="[Not found]" | |
382 | ]) | |
8366cd6a PS |
383 | ], [ |
384 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 385 | kernsrcver=NONE |
8366cd6a | 386 | ]) |
1d8da991 | 387 | withlinux=yes |
8366cd6a | 388 | ]) |
c9c0d073 | 389 | |
72f3c8b1 DS |
390 | AC_MSG_RESULT([done]) |
391 | AC_MSG_CHECKING([kernel source directory]) | |
c9c0d073 | 392 | AC_MSG_RESULT([$kernelsrc]) |
72f3c8b1 DS |
393 | AC_MSG_CHECKING([kernel build directory]) |
394 | AC_MSG_RESULT([$kernelbuild]) | |
395 | AS_IF([test ! -d "$kernelsrc" || test ! -d "$kernelbuild"], [ | |
56a517ae BB |
396 | AC_MSG_ERROR([ |
397 | *** Please make sure the kernel devel package for your distribution | |
4e95cc99 | 398 | *** is installed and then try again. If that fails, you can specify the |
72f3c8b1 DS |
399 | *** location of the kernel source and build with the '--with-linux=PATH' and |
400 | *** '--with-linux-obj=PATH' options respectively.]) | |
8366cd6a | 401 | ]) |
c9c0d073 BB |
402 | |
403 | AC_MSG_CHECKING([kernel source version]) | |
404 | utsrelease1=$kernelbuild/include/linux/version.h | |
405 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
406 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
d30577c9 | 407 | AS_IF([test -r $utsrelease1 && grep -qF UTS_RELEASE $utsrelease1], [ |
06346cc5 | 408 | utsrelease=$utsrelease1 |
d30577c9 | 409 | ], [test -r $utsrelease2 && grep -qF UTS_RELEASE $utsrelease2], [ |
06346cc5 | 410 | utsrelease=$utsrelease2 |
d30577c9 | 411 | ], [test -r $utsrelease3 && grep -qF UTS_RELEASE $utsrelease3], [ |
06346cc5 | 412 | utsrelease=$utsrelease3 |
8366cd6a | 413 | ]) |
c9c0d073 | 414 | |
06346cc5 BB |
415 | AS_IF([test -n "$utsrelease"], [ |
416 | kernsrcver=$($AWK '/UTS_RELEASE/ { gsub(/"/, "", $[3]); print $[3] }' $utsrelease) | |
8366cd6a | 417 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 | 418 | AC_MSG_RESULT([Not found]) |
608f8749 BB |
419 | AC_MSG_ERROR([ |
420 | *** Cannot determine kernel version. | |
421 | ]) | |
8366cd6a PS |
422 | ]) |
423 | ], [ | |
c9c0d073 | 424 | AC_MSG_RESULT([Not found]) |
319a99a3 | 425 | if test "x$enable_linux_builtin" != xyes; then |
608f8749 BB |
426 | AC_MSG_ERROR([ |
427 | *** Cannot find UTS_RELEASE definition. | |
428 | ]) | |
319a99a3 ED |
429 | else |
430 | AC_MSG_ERROR([ | |
431 | *** Cannot find UTS_RELEASE definition. | |
432 | *** Please run 'make prepare' inside the kernel source tree.]) | |
433 | fi | |
8366cd6a | 434 | ]) |
c9c0d073 BB |
435 | |
436 | AC_MSG_RESULT([$kernsrcver]) | |
437 | ||
066e8252 BB |
438 | AS_VERSION_COMPARE([$kernsrcver], [$ZFS_META_KVER_MIN], [ |
439 | AC_MSG_ERROR([ | |
440 | *** Cannot build against kernel version $kernsrcver. | |
441 | *** The minimum supported kernel version is $ZFS_META_KVER_MIN. | |
442 | ]) | |
443 | ]) | |
444 | ||
c9c0d073 BB |
445 | LINUX=${kernelsrc} |
446 | LINUX_OBJ=${kernelbuild} | |
447 | LINUX_VERSION=${kernsrcver} | |
448 | ||
449 | AC_SUBST(LINUX) | |
450 | AC_SUBST(LINUX_OBJ) | |
451 | AC_SUBST(LINUX_VERSION) | |
c9c0d073 BB |
452 | ]) |
453 | ||
6a9d6359 | 454 | dnl # |
608f8749 BB |
455 | dnl # Detect the QAT module to be built against, QAT provides hardware |
456 | dnl # acceleration for data compression: | |
457 | dnl # | |
458 | dnl # https://01.org/intel-quickassist-technology | |
459 | dnl # | |
460 | dnl # 1) Download and install QAT driver from the above link | |
461 | dnl # 2) Start QAT driver in your system: | |
462 | dnl # service qat_service start | |
463 | dnl # 3) Enable QAT in ZFS, e.g.: | |
464 | dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6 | |
465 | dnl # make | |
466 | dnl # 4) Set GZIP compression in ZFS dataset: | |
467 | dnl # zfs set compression = gzip <dataset> | |
468 | dnl # | |
469 | dnl # Then the data written to this ZFS pool is compressed by QAT accelerator | |
470 | dnl # automatically, and de-compressed by QAT when read from the pool. | |
471 | dnl # | |
472 | dnl # 1) Get QAT hardware statistics with: | |
473 | dnl # cat /proc/icp_dh895xcc_dev/qat | |
474 | dnl # 2) To disable QAT: | |
475 | dnl # insmod zfs.ko zfs_qat_disable=1 | |
6a9d6359 | 476 | dnl # |
477 | AC_DEFUN([ZFS_AC_QAT], [ | |
478 | AC_ARG_WITH([qat], | |
479 | AS_HELP_STRING([--with-qat=PATH], | |
480 | [Path to qat source]), | |
481 | AS_IF([test "$withval" = "yes"], | |
482 | AC_MSG_ERROR([--with-qat=PATH requires a PATH]), | |
483 | [qatsrc="$withval"])) | |
484 | ||
485 | AC_ARG_WITH([qat-obj], | |
486 | AS_HELP_STRING([--with-qat-obj=PATH], | |
487 | [Path to qat build objects]), | |
488 | [qatbuild="$withval"]) | |
489 | ||
490 | AS_IF([test ! -z "${qatsrc}"], [ | |
491 | AC_MSG_CHECKING([qat source directory]) | |
492 | AC_MSG_RESULT([$qatsrc]) | |
493 | QAT_SRC="${qatsrc}/quickassist" | |
494 | AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [ | |
495 | AC_MSG_ERROR([ | |
608f8749 BB |
496 | *** Please make sure the qat driver package is installed |
497 | *** and specify the location of the qat source with the | |
498 | *** '--with-qat=PATH' option then try again. Failed to | |
499 | *** find cpa.h in: | |
500 | ${QAT_SRC}/include]) | |
6a9d6359 | 501 | ]) |
502 | ]) | |
503 | ||
504 | AS_IF([test ! -z "${qatsrc}"], [ | |
505 | AC_MSG_CHECKING([qat build directory]) | |
506 | AS_IF([test -z "$qatbuild"], [ | |
507 | qatbuild="${qatsrc}/build" | |
508 | ]) | |
509 | ||
510 | AC_MSG_RESULT([$qatbuild]) | |
511 | QAT_OBJ=${qatbuild} | |
1cfdb0e6 | 512 | AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [ |
6a9d6359 | 513 | AC_MSG_ERROR([ |
608f8749 BB |
514 | *** Please make sure the qat driver is installed then try again. |
515 | *** Failed to find icp_qa_al.ko or qat_api.ko in: | |
516 | $QAT_OBJ]) | |
6a9d6359 | 517 | ]) |
518 | ||
519 | AC_SUBST(QAT_SRC) | |
520 | AC_SUBST(QAT_OBJ) | |
521 | ||
522 | AC_DEFINE(HAVE_QAT, 1, | |
523 | [qat is enabled and existed]) | |
524 | ]) | |
525 | ||
526 | dnl # | |
527 | dnl # Detect the name used for the QAT Module.symvers file. | |
528 | dnl # | |
529 | AS_IF([test ! -z "${qatsrc}"], [ | |
530 | AC_MSG_CHECKING([qat file for module symbols]) | |
531 | QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers | |
532 | ||
533 | AS_IF([test -r $QAT_SYMBOLS], [ | |
534 | AC_MSG_RESULT([$QAT_SYMBOLS]) | |
535 | AC_SUBST(QAT_SYMBOLS) | |
536 | ],[ | |
608f8749 BB |
537 | AC_MSG_ERROR([ |
538 | *** Please make sure the qat driver is installed then try again. | |
539 | *** Failed to find Module.symvers in: | |
540 | $QAT_SYMBOLS | |
6a9d6359 | 541 | ]) |
542 | ]) | |
543 | ]) | |
544 | ]) | |
545 | ||
15805c77 | 546 | dnl # |
608f8749 | 547 | dnl # ZFS_LINUX_CONFTEST_H |
15805c77 | 548 | dnl # |
608f8749 BB |
549 | AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ |
550 | test -d build/$2 || mkdir -p build/$2 | |
551 | cat - <<_ACEOF >build/$2/$2.h | |
552 | $1 | |
553 | _ACEOF | |
554 | ]) | |
e5b85622 | 555 | |
608f8749 BB |
556 | dnl # |
557 | dnl # ZFS_LINUX_CONFTEST_C | |
558 | dnl # | |
559 | AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ | |
560 | test -d build/$2 || mkdir -p build/$2 | |
561 | cat confdefs.h - <<_ACEOF >build/$2/$2.c | |
562 | $1 | |
563 | _ACEOF | |
e5b85622 BB |
564 | ]) |
565 | ||
b58986ee | 566 | dnl # |
608f8749 | 567 | dnl # ZFS_LINUX_CONFTEST_MAKEFILE |
b58986ee | 568 | dnl # |
608f8749 BB |
569 | dnl # $1 - test case name |
570 | dnl # $2 - add to top-level Makefile | |
571 | dnl # $3 - additional build flags | |
b58986ee | 572 | dnl # |
608f8749 BB |
573 | AC_DEFUN([ZFS_LINUX_CONFTEST_MAKEFILE], [ |
574 | test -d build || mkdir -p build | |
575 | test -d build/$1 || mkdir -p build/$1 | |
576 | ||
577 | file=build/$1/Makefile | |
578 | ||
579 | dnl # Example command line to manually build source. | |
580 | cat - <<_ACEOF >$file | |
581 | # Example command line to manually build source | |
582 | # make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/$1 | |
583 | ||
584 | ccflags-y := -Werror $FRAME_LARGER_THAN | |
585 | _ACEOF | |
586 | ||
587 | dnl # Additional custom CFLAGS as requested. | |
588 | m4_ifval($3, [echo "ccflags-y += $3" >>$file], []) | |
589 | ||
590 | dnl # Test case source | |
591 | echo "obj-m := $1.o" >>$file | |
592 | ||
593 | AS_IF([test "x$2" = "xyes"], [echo "obj-m += $1/" >>build/Makefile], []) | |
b58986ee BB |
594 | ]) |
595 | ||
e5b85622 | 596 | dnl # |
608f8749 | 597 | dnl # ZFS_LINUX_TEST_PROGRAM(C)([PROLOGUE], [BODY]) |
e5b85622 | 598 | dnl # |
608f8749 | 599 | m4_define([ZFS_LINUX_TEST_PROGRAM], [ |
c347fac5 | 600 | #include <linux/module.h> |
608f8749 | 601 | $1 |
c347fac5 | 602 | |
608f8749 BB |
603 | int |
604 | main (void) | |
605 | { | |
606 | $2 | |
607 | ; | |
608 | return 0; | |
609 | } | |
c347fac5 BB |
610 | |
611 | MODULE_DESCRIPTION("conftest"); | |
612 | MODULE_AUTHOR(ZFS_META_AUTHOR); | |
613 | MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); | |
614 | MODULE_LICENSE($3); | |
608f8749 BB |
615 | ]) |
616 | ||
e5b85622 | 617 | dnl # |
608f8749 | 618 | dnl # ZFS_LINUX_TEST_REMOVE |
e5b85622 | 619 | dnl # |
608f8749 BB |
620 | dnl # Removes the specified test source and results. |
621 | dnl # | |
622 | AC_DEFUN([ZFS_LINUX_TEST_REMOVE], [ | |
623 | test -d build/$1 && rm -Rf build/$1 | |
624 | test -f build/Makefile && sed '/$1/d' build/Makefile | |
625 | ]) | |
e5b85622 | 626 | |
608f8749 BB |
627 | dnl # |
628 | dnl # ZFS_LINUX_COMPILE | |
629 | dnl # | |
630 | dnl # $1 - build dir | |
631 | dnl # $2 - test command | |
632 | dnl # $3 - pass command | |
633 | dnl # $4 - fail command | |
634 | dnl # $5 - set KBUILD_MODPOST_NOFINAL='yes' | |
635 | dnl # $6 - set KBUILD_MODPOST_WARN='yes' | |
636 | dnl # | |
637 | dnl # Used internally by ZFS_LINUX_TEST_{COMPILE,MODPOST} | |
638 | dnl # | |
639 | AC_DEFUN([ZFS_LINUX_COMPILE], [ | |
b66140c6 PL |
640 | AC_ARG_VAR([KERNEL_CC], [C compiler for |
641 | building kernel modules]) | |
642 | AC_ARG_VAR([KERNEL_LD], [Linker for | |
643 | building kernel modules]) | |
644 | AC_ARG_VAR([KERNEL_LLVM], [Binary option to | |
645 | build kernel modules with LLVM/CLANG toolchain]) | |
608f8749 BB |
646 | AC_TRY_COMMAND([ |
647 | KBUILD_MODPOST_NOFINAL="$5" KBUILD_MODPOST_WARN="$6" | |
a0dfd98a DS |
648 | make modules -k -j$TEST_JOBS ${KERNEL_CC:+CC=$KERNEL_CC} |
649 | ${KERNEL_LD:+LD=$KERNEL_LD} ${KERNEL_LLVM:+LLVM=$KERNEL_LLVM} | |
650 | CONFIG_MODULES=y CFLAGS_MODULE=-DCONFIG_MODULES | |
651 | -C $LINUX_OBJ $ARCH_UM M=$PWD/$1 >$1/build.log 2>&1]) | |
608f8749 | 652 | AS_IF([AC_TRY_COMMAND([$2])], [$3], [$4]) |
c9c0d073 BB |
653 | ]) |
654 | ||
655 | dnl # | |
608f8749 | 656 | dnl # ZFS_LINUX_TEST_COMPILE |
93ce2b4c | 657 | dnl # |
608f8749 | 658 | dnl # Perform a full compile excluding the final modpost phase. |
93ce2b4c | 659 | dnl # |
608f8749 BB |
660 | AC_DEFUN([ZFS_LINUX_TEST_COMPILE], [ |
661 | ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ | |
662 | mv $2/Makefile $2/Makefile.compile.$1 | |
663 | mv $2/build.log $2/build.log.$1 | |
93ce2b4c | 664 | ],[ |
608f8749 BB |
665 | AC_MSG_ERROR([ |
666 | *** Unable to compile test source to determine kernel interfaces.]) | |
667 | ], [yes], []) | |
93ce2b4c BB |
668 | ]) |
669 | ||
670 | dnl # | |
608f8749 | 671 | dnl # ZFS_LINUX_TEST_MODPOST |
c9c0d073 | 672 | dnl # |
608f8749 BB |
673 | dnl # Perform a full compile including the modpost phase. This may |
674 | dnl # be an incremental build if the objects have already been built. | |
675 | dnl # | |
676 | AC_DEFUN([ZFS_LINUX_TEST_MODPOST], [ | |
677 | ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ | |
678 | mv $2/Makefile $2/Makefile.modpost.$1 | |
679 | cat $2/build.log >>build/build.log.$1 | |
680 | ],[ | |
681 | AC_MSG_ERROR([ | |
682 | *** Unable to modpost test source to determine kernel interfaces.]) | |
683 | ], [], [yes]) | |
0b39b9f9 PS |
684 | ]) |
685 | ||
686 | dnl # | |
608f8749 | 687 | dnl # Perform the compilation of the test cases in two phases. |
0b39b9f9 | 688 | dnl # |
608f8749 BB |
689 | dnl # Phase 1) attempt to build the object files for all of the tests |
690 | dnl # defined by the ZFS_LINUX_TEST_SRC macro. But do not | |
691 | dnl # perform the final modpost stage. | |
692 | dnl # | |
693 | dnl # Phase 2) disable all tests which failed the initial compilation, | |
694 | dnl # then invoke the final modpost step for the remaining tests. | |
695 | dnl # | |
696 | dnl # This allows us efficiently build the test cases in parallel while | |
697 | dnl # remaining resilient to build failures which are expected when | |
698 | dnl # detecting the available kernel interfaces. | |
699 | dnl # | |
700 | dnl # The maximum allowed parallelism can be controlled by setting the | |
701 | dnl # TEST_JOBS environment variable. Otherwise, it default to $(nproc). | |
702 | dnl # | |
703 | AC_DEFUN([ZFS_LINUX_TEST_COMPILE_ALL], [ | |
704 | dnl # Phase 1 - Compilation only, final linking is skipped. | |
705 | ZFS_LINUX_TEST_COMPILE([$1], [build]) | |
706 | ||
707 | dnl # | |
708 | dnl # Phase 2 - When building external modules disable test cases | |
709 | dnl # which failed to compile and invoke modpost to verify the | |
710 | dnl # final linking. | |
711 | dnl # | |
712 | dnl # Test names suffixed with '_license' call modpost independently | |
713 | dnl # to ensure that a single incompatibility does not result in the | |
714 | dnl # modpost phase exiting early. This check is not performed on | |
715 | dnl # every symbol since the majority are compatible and doing so | |
716 | dnl # would significantly slow down this phase. | |
717 | dnl # | |
718 | dnl # When configuring for builtin (--enable-linux-builtin) | |
719 | dnl # fake the linking step artificially create the expected .ko | |
720 | dnl # files for tests which did compile. This is required for | |
721 | dnl # kernels which do not have loadable module support or have | |
722 | dnl # not yet been built. | |
723 | dnl # | |
724 | AS_IF([test "x$enable_linux_builtin" = "xno"], [ | |
725 | for dir in $(awk '/^obj-m/ { print [$]3 }' \ | |
726 | build/Makefile.compile.$1); do | |
727 | name=${dir%/} | |
728 | AS_IF([test -f build/$name/$name.o], [ | |
729 | AS_IF([test "${name##*_}" = "license"], [ | |
730 | ZFS_LINUX_TEST_MODPOST([$1], | |
731 | [build/$name]) | |
732 | echo "obj-n += $dir" >>build/Makefile | |
733 | ], [ | |
734 | echo "obj-m += $dir" >>build/Makefile | |
735 | ]) | |
736 | ], [ | |
737 | echo "obj-n += $dir" >>build/Makefile | |
738 | ]) | |
739 | done | |
740 | ||
741 | ZFS_LINUX_TEST_MODPOST([$1], [build]) | |
742 | ], [ | |
743 | for dir in $(awk '/^obj-m/ { print [$]3 }' \ | |
744 | build/Makefile.compile.$1); do | |
745 | name=${dir%/} | |
746 | AS_IF([test -f build/$name/$name.o], [ | |
747 | touch build/$name/$name.ko | |
748 | ]) | |
749 | done | |
750 | ]) | |
c9c0d073 BB |
751 | ]) |
752 | ||
753 | dnl # | |
608f8749 | 754 | dnl # ZFS_LINUX_TEST_SRC |
c9c0d073 | 755 | dnl # |
608f8749 BB |
756 | dnl # $1 - name |
757 | dnl # $2 - global | |
758 | dnl # $3 - source | |
759 | dnl # $4 - extra cflags | |
760 | dnl # $5 - check license-compatibility | |
761 | dnl # | |
c347fac5 BB |
762 | dnl # Check if the test source is buildable at all and then if it is |
763 | dnl # license compatible. | |
764 | dnl # | |
608f8749 BB |
765 | dnl # N.B because all of the test cases are compiled in parallel they |
766 | dnl # must never depend on the results of previous tests. Each test | |
767 | dnl # needs to be entirely independent. | |
768 | dnl # | |
769 | AC_DEFUN([ZFS_LINUX_TEST_SRC], [ | |
c347fac5 BB |
770 | ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM([[$2]], [[$3]], |
771 | [["Dual BSD/GPL"]])], [$1]) | |
608f8749 BB |
772 | ZFS_LINUX_CONFTEST_MAKEFILE([$1], [yes], [$4]) |
773 | ||
774 | AS_IF([ test -n "$5" ], [ | |
c347fac5 BB |
775 | ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM( |
776 | [[$2]], [[$3]], [[$5]])], [$1_license]) | |
608f8749 BB |
777 | ZFS_LINUX_CONFTEST_MAKEFILE([$1_license], [yes], [$4]) |
778 | ]) | |
c9c0d073 BB |
779 | ]) |
780 | ||
781 | dnl # | |
608f8749 | 782 | dnl # ZFS_LINUX_TEST_RESULT |
c9c0d073 | 783 | dnl # |
608f8749 BB |
784 | dnl # $1 - name of a test source (ZFS_LINUX_TEST_SRC) |
785 | dnl # $2 - run on success (valid .ko generated) | |
786 | dnl # $3 - run on failure (unable to compile) | |
787 | dnl # | |
788 | AC_DEFUN([ZFS_LINUX_TEST_RESULT], [ | |
789 | AS_IF([test -d build/$1], [ | |
790 | AS_IF([test -f build/$1/$1.ko], [$2], [$3]) | |
791 | ], [ | |
792 | AC_MSG_ERROR([ | |
793 | *** No matching source for the "$1" test, check that | |
794 | *** both the test source and result macros refer to the same name. | |
795 | ]) | |
796 | ]) | |
c9c0d073 BB |
797 | ]) |
798 | ||
799 | dnl # | |
608f8749 | 800 | dnl # ZFS_LINUX_TEST_ERROR |
c9c0d073 | 801 | dnl # |
608f8749 BB |
802 | dnl # Generic error message which can be used when none of the expected |
803 | dnl # kernel interfaces were detected. | |
804 | dnl # | |
805 | AC_DEFUN([ZFS_LINUX_TEST_ERROR], [ | |
806 | AC_MSG_ERROR([ | |
807 | *** None of the expected "$1" interfaces were detected. | |
808 | *** This may be because your kernel version is newer than what is | |
809 | *** supported, or you are using a patched custom kernel with | |
810 | *** incompatible modifications. | |
811 | *** | |
812 | *** ZFS Version: $ZFS_META_ALIAS | |
813 | *** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX | |
814 | ]) | |
c9c0d073 BB |
815 | ]) |
816 | ||
817 | dnl # | |
608f8749 | 818 | dnl # ZFS_LINUX_TEST_RESULT_SYMBOL |
c9c0d073 | 819 | dnl # |
608f8749 BB |
820 | dnl # Like ZFS_LINUX_TEST_RESULT except ZFS_CHECK_SYMBOL_EXPORT is called to |
821 | dnl # verify symbol exports, unless --enable-linux-builtin was provided to | |
822 | dnl # configure. | |
823 | dnl # | |
824 | AC_DEFUN([ZFS_LINUX_TEST_RESULT_SYMBOL], [ | |
825 | AS_IF([ ! test -f build/$1/$1.ko], [ | |
826 | $5 | |
827 | ], [ | |
828 | AS_IF([test "x$enable_linux_builtin" != "xyes"], [ | |
829 | ZFS_CHECK_SYMBOL_EXPORT([$2], [$3], [$4], [$5]) | |
830 | ], [ | |
831 | $4 | |
832 | ]) | |
c9c0d073 BB |
833 | ]) |
834 | ]) | |
835 | ||
608f8749 BB |
836 | dnl # |
837 | dnl # ZFS_LINUX_COMPILE_IFELSE | |
838 | dnl # | |
839 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
840 | ZFS_LINUX_TEST_REMOVE([conftest]) | |
841 | ||
842 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1], [conftest])]) | |
843 | m4_ifvaln([$5], [ZFS_LINUX_CONFTEST_H([$5], [conftest])], | |
844 | [ZFS_LINUX_CONFTEST_H([], [conftest])]) | |
845 | ||
846 | ZFS_LINUX_CONFTEST_MAKEFILE([conftest], [no], | |
847 | [m4_ifvaln([$5], [-I$PWD/build/conftest], [])]) | |
848 | ZFS_LINUX_COMPILE([build/conftest], [$2], [$3], [$4], [], []) | |
849 | ]) | |
850 | ||
851 | dnl # | |
852 | dnl # ZFS_LINUX_TRY_COMPILE | |
853 | dnl # | |
854 | dnl # $1 - global | |
855 | dnl # $2 - source | |
856 | dnl # $3 - run on success (valid .ko generated) | |
857 | dnl # $4 - run on failure (unable to compile) | |
858 | dnl # | |
3f99a3ab BB |
859 | dnl # When configuring as builtin (--enable-linux-builtin) for kernels |
860 | dnl # without loadable module support (CONFIG_MODULES=n) only the object | |
861 | dnl # file is created. See ZFS_LINUX_TEST_COMPILE_ALL for details. | |
862 | dnl # | |
608f8749 | 863 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], [ |
3f99a3ab BB |
864 | AS_IF([test "x$enable_linux_builtin" = "xyes"], [ |
865 | ZFS_LINUX_COMPILE_IFELSE( | |
c347fac5 BB |
866 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
867 | [[ZFS_META_LICENSE]])], | |
3f99a3ab BB |
868 | [test -f build/conftest/conftest.o], [$3], [$4]) |
869 | ], [ | |
870 | ZFS_LINUX_COMPILE_IFELSE( | |
c347fac5 BB |
871 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
872 | [[ZFS_META_LICENSE]])], | |
3f99a3ab BB |
873 | [test -f build/conftest/conftest.ko], [$3], [$4]) |
874 | ]) | |
608f8749 BB |
875 | ]) |
876 | ||
c9c0d073 BB |
877 | dnl # |
878 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
608f8749 BB |
879 | dnl # |
880 | dnl # Check if a symbol is exported on not by consulting the symbols | |
881 | dnl # file, or optionally the source code. | |
c9c0d073 | 882 | dnl # |
70574182 | 883 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [ |
c9c0d073 BB |
884 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ |
885 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
886 | rc=$? | |
70574182 | 887 | if test $rc -ne 0; then |
c9c0d073 BB |
888 | export=0 |
889 | for file in $2; do | |
70574182 ED |
890 | grep -q -E "EXPORT_SYMBOL.*($1)" \ |
891 | "$LINUX/$file" 2>/dev/null | |
c9c0d073 | 892 | rc=$? |
70574182 | 893 | if test $rc -eq 0; then |
8366cd6a PS |
894 | export=1 |
895 | break; | |
70574182 | 896 | fi |
c9c0d073 | 897 | done |
70574182 | 898 | if test $export -eq 0; then : |
c9c0d073 | 899 | $4 |
70574182 | 900 | else : |
c9c0d073 | 901 | $3 |
70574182 ED |
902 | fi |
903 | else : | |
c9c0d073 | 904 | $3 |
70574182 ED |
905 | fi |
906 | ]) | |
907 | ||
908 | dnl # | |
909 | dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL | |
608f8749 BB |
910 | dnl # |
911 | dnl # Like ZFS_LINUX_TRY_COMPILER except ZFS_CHECK_SYMBOL_EXPORT is called | |
912 | dnl # to verify symbol exports, unless --enable-linux-builtin was provided | |
913 | dnl # to configure. | |
70574182 ED |
914 | dnl # |
915 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [ | |
916 | ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) | |
917 | if test $rc -ne 0; then : | |
918 | $6 | |
919 | else | |
920 | if test "x$enable_linux_builtin" != xyes; then | |
921 | ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) | |
922 | fi | |
923 | if test $rc -ne 0; then : | |
924 | $6 | |
925 | else : | |
926 | $5 | |
927 | fi | |
928 | fi | |
c9c0d073 | 929 | ]) |
0b39b9f9 PS |
930 | |
931 | dnl # | |
932 | dnl # ZFS_LINUX_TRY_COMPILE_HEADER | |
933 | dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are | |
934 | dnl # provided via the fifth parameter | |
935 | dnl # | |
608f8749 BB |
936 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], [ |
937 | ZFS_LINUX_COMPILE_IFELSE( | |
c347fac5 | 938 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], [[ZFS_META_LICENSE]])], |
608f8749 BB |
939 | [test -f build/conftest/conftest.ko], |
940 | [$3], [$4], [$5]) | |
0b39b9f9 | 941 | ]) |