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authorLauren Post <lauren.post@nxp.com>2017-03-27 17:09:29 -0300
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-03-28 08:43:12 +0100
commit020e35cfd9ba76d43fe581abd2ef835f90700718 (patch)
tree810c593f7233899558b887640db1366bb2ed5e6b /meta/recipes-core/udev
parentc711caae831959f4722bec4de98f36507efceccd (diff)
downloadpoky-020e35cfd9ba76d43fe581abd2ef835f90700718.tar.gz
eudev: restore userspace firmware loading support
This sycncs eudev with systemd. This is required for old kernels to work and does same backport as did in: ,---- | commit 31163abc7bedd477c1aad10e6d1f47dbee194513 | Author: Jonathan Liu <net147@gmail.com> | Date: Thu Mar 19 15:38:32 2015 +1100 | | systemd: restore userspace firmware loading support | | This changes the minimum required Linux version from 3.7 back to 3.0. | | [YOCTO #7409] | | Signed-off-by: Jonathan Liu <net147@gmail.com> | Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> `---- (From OE-Core rev: d6b139ef1b52ee4842f8706c1b8b950cc50a3d54) Signed-off-by: Lauren Post <lauren.post@nxp.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-core/udev')
-rw-r--r--meta/recipes-core/udev/eudev/0014-Revert-rules-remove-firmware-loading-rules.patch28
-rw-r--r--meta/recipes-core/udev/eudev/Revert-udev-remove-userspace-firmware-loading-suppor.patch364
-rw-r--r--meta/recipes-core/udev/eudev_3.2.1.bb2
3 files changed, 394 insertions, 0 deletions
diff --git a/meta/recipes-core/udev/eudev/0014-Revert-rules-remove-firmware-loading-rules.patch b/meta/recipes-core/udev/eudev/0014-Revert-rules-remove-firmware-loading-rules.patch
new file mode 100644
index 0000000000..fe2ba5328d
--- /dev/null
+++ b/meta/recipes-core/udev/eudev/0014-Revert-rules-remove-firmware-loading-rules.patch
@@ -0,0 +1,28 @@
1From 4f0a722489154da99e7f6b3051afde984eed2f74 Mon Sep 17 00:00:00 2001
2From: Jonathan Liu <net147@gmail.com>
3Date: Thu, 19 Mar 2015 15:01:29 +1100
4Subject: [PATCH] Revert "rules: remove firmware loading rules"
5
6This reverts commit 70e7d754ddb356fb1a2942b262f8cee9650e2a19.
7Userspace firmware loading support is needed for Linux < 3.7.
8
9Upstream-Status: Inappropriate [OE specific]
10
11Signed-off-by: Jonathan Liu <net147@gmail.com>
12---
13 rules/50-firmware.rules | 3 +++
14 1 file changed, 3 insertions(+)
15 create mode 100644 rules/50-firmware.rules
16
17diff --git a/rules/50-firmware.rules b/rules/50-firmware.rules
18new file mode 100644
19index 0000000..f0ae684
20--- /dev/null
21+++ b/rules/50-firmware.rules
22@@ -0,0 +1,3 @@
23+# do not edit this file, it will be overwritten on update
24+
25+SUBSYSTEM=="firmware", ACTION=="add", RUN{builtin}="firmware"
26--
272.3.3
28
diff --git a/meta/recipes-core/udev/eudev/Revert-udev-remove-userspace-firmware-loading-suppor.patch b/meta/recipes-core/udev/eudev/Revert-udev-remove-userspace-firmware-loading-suppor.patch
new file mode 100644
index 0000000000..db333e9376
--- /dev/null
+++ b/meta/recipes-core/udev/eudev/Revert-udev-remove-userspace-firmware-loading-suppor.patch
@@ -0,0 +1,364 @@
1From e415372cc7a2f52e70e1cfa8c6c1f633b411355d Mon Sep 17 00:00:00 2001
2From: Lauren Post <lauren.post@nxp.com>
3Date: Wed, 8 Jun 2016 06:51:56 -0500
4Subject: [PATCH] Revert "udev: remove userspace firmware loading support"
5
6This reverts commit 3b717594600fa717cdf9bcfd0c7c1b703b245482.
7
8Conflicts:
9 configure.ac
10 src/udev/udevd.c
11
12Upstream-Status: Inappropriate [OE specific]
13
14Signed-off-by: Lauren Post <lauren.post@nxp.com>
15---
16 configure.ac | 39 +++++++++-
17 rules/Makefile.am | 5 ++
18 src/udev/Makefile.am | 10 +++
19 src/udev/udev-builtin-firmware.c | 154 +++++++++++++++++++++++++++++++++++++++
20 src/udev/udev-builtin.c | 3 +
21 src/udev/udev.h | 6 ++
22 src/udev/udevd.c | 13 ++++
23 7 files changed, 227 insertions(+), 3 deletions(-)
24 create mode 100644 src/udev/udev-builtin-firmware.c
25
26diff --git a/configure.ac b/configure.ac
27index 8691891..65028c2 100644
28--- a/configure.ac
29+++ b/configure.ac
30@@ -238,9 +238,42 @@ AC_CHECK_DECL([unshare],
31 [#include <sched.h>])
32
33 # ------------------------------------------------------------------------------
34-AC_PATH_TOOL(GPERF, gperf)
35-if test -z "$GPERF" ; then
36- AC_MSG_ERROR([*** gperf not found])
37+AC_ARG_WITH(firmware-path,
38+ AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]],
39+ [Firmware search path (default=ROOTPREFIX/lib/firmware/updates:ROOTPREFIX/lib/firmware)]),
40+ [], [with_firmware_path="$rootprefix/lib/firmware/updates:$rootprefix/lib/firmware"])
41+OLD_IFS=$IFS
42+IFS=:
43+for i in $with_firmware_path; do
44+ if test "x${FIRMWARE_PATH}" = "x"; then
45+ FIRMWARE_PATH="\\\"${i}/\\\""
46+ else
47+ FIRMWARE_PATH="${FIRMWARE_PATH}, \\\"${i}/\\\""
48+ fi
49+done
50+IFS=$OLD_IFS
51+AC_SUBST(FIRMWARE_PATH)
52+AS_IF([test "x${FIRMWARE_PATH}" != "x"], [ AC_DEFINE(HAVE_FIRMWARE, 1, [Define if FIRMWARE is available]) ])
53+AM_CONDITIONAL(ENABLE_FIRMWARE, [test "x${FIRMWARE_PATH}" != "x"])
54+
55+# ------------------------------------------------------------------------------
56+AC_ARG_ENABLE([gudev],
57+ AS_HELP_STRING([--disable-gudev], [disable Gobject libudev support @<:@default=enabled@:>@]),
58+ [], [enable_gudev=yes])
59+AS_IF([test "x$enable_gudev" = "xyes"], [ PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0]) ])
60+AM_CONDITIONAL([ENABLE_GUDEV], [test "x$enable_gudev" = "xyes"])
61+
62+# ------------------------------------------------------------------------------
63+AC_ARG_ENABLE([keymap],
64+ AS_HELP_STRING([--disable-keymap], [disable keymap fixup support @<:@default=enabled@:>@]),
65+ [], [enable_keymap=yes])
66+
67+if test "x$enable_keymap" = "xyes"; then
68+ AC_PATH_TOOL(GPERF, gperf)
69+ if test -z "$GPERF" ; then
70+ AC_MSG_ERROR([*** gperf not found])
71+ fi
72+ AC_DEFINE([ENABLE_KEYMAP], [1], [Define if we are enabling rule generator])
73 fi
74
75 # ------------------------------------------------------------------------------
76diff --git a/rules/Makefile.am b/rules/Makefile.am
77index 24c099c..d714ae3 100644
78--- a/rules/Makefile.am
79+++ b/rules/Makefile.am
80@@ -22,6 +22,11 @@ dist_udevrules_DATA += \
81 80-net-name-slot.rules
82 endif
83
84+if ENABLE_FIRMWARE
85+dist_udevrules_DATA += \
86+ 50-firmware.rules
87+endif
88+
89 if HAVE_BLKID
90 dist_udevrules_DATA += \
91 60-persistent-storage.rules
92diff --git a/src/udev/Makefile.am b/src/udev/Makefile.am
93index 401af01..742fbc8 100644
94--- a/src/udev/Makefile.am
95+++ b/src/udev/Makefile.am
96@@ -53,12 +53,18 @@ libudev_core_la_SOURCES = \
97 udev-ctrl.c \
98 udev-builtin.c \
99 udev-builtin-btrfs.c \
100+ udev-builtin-firmware.c \
101 udev-builtin-hwdb.c \
102 udev-builtin-input_id.c \
103 udev-builtin-net_id.c \
104 udev-builtin-path_id.c \
105 udev-builtin-usb_id.c
106
107+if ENABLE_FIRMWARE
108+libudev_core_la_SOURCES += \
109+ udev-builtin-firmware.c
110+endif
111+
112 include_HEADERS = \
113 udev.h
114
115@@ -86,6 +92,10 @@ libudev_core_la_LIBADD += \
116 $(KMOD_LIBS)
117 endif
118
119+libudev_core_la_CPPFLAGS = \
120+ $(AM_CPPFLAGS) \
121+ -DFIRMWARE_PATH="$(FIRMWARE_PATH)"
122+
123 #
124 # Extras
125 #
126diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c
127new file mode 100644
128index 0000000..bd8c2fb
129--- /dev/null
130+++ b/src/udev/udev-builtin-firmware.c
131@@ -0,0 +1,154 @@
132+/*
133+ * firmware - Kernel firmware loader
134+ *
135+ * Copyright (C) 2009 Piter Punk <piterpunk@slackware.com>
136+ * Copyright (C) 2009-2011 Kay Sievers <kay@vrfy.org>
137+ *
138+ * This program is free software; you can redistribute it and/or
139+ * modify it under the terms of the GNU General Public License as
140+ * published by the Free Software Foundation; either version 2 of the
141+ * License, or (at your option) any later version.
142+ *
143+ * This program is distributed in the hope that it will be useful, but
144+ * WITHOUT ANY WARRANTY; without even the implied warranty of
145+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
146+ * General Public License for more details:*
147+ */
148+
149+#include <unistd.h>
150+#include <stdlib.h>
151+#include <string.h>
152+#include <stdio.h>
153+#include <getopt.h>
154+#include <errno.h>
155+#include <stdbool.h>
156+#include <sys/utsname.h>
157+#include <sys/stat.h>
158+
159+#include "udev.h"
160+
161+static bool set_loading(struct udev *udev, char *loadpath, const char *state) {
162+ FILE *ldfile;
163+
164+ ldfile = fopen(loadpath, "we");
165+ if (ldfile == NULL) {
166+ log_error("error: can not open '%s'", loadpath);
167+ return false;
168+ };
169+ fprintf(ldfile, "%s\n", state);
170+ fclose(ldfile);
171+ return true;
172+}
173+
174+static bool copy_firmware(struct udev *udev, const char *source, const char *target, size_t size) {
175+ char *buf;
176+ FILE *fsource = NULL, *ftarget = NULL;
177+ bool ret = false;
178+
179+ buf = malloc(size);
180+ if (buf == NULL) {
181+ log_error("No memory available to load firmware file");
182+ return false;
183+ }
184+
185+ log_debug("writing '%s' (%zi) to '%s'", source, size, target);
186+
187+ fsource = fopen(source, "re");
188+ if (fsource == NULL)
189+ goto exit;
190+ ftarget = fopen(target, "we");
191+ if (ftarget == NULL)
192+ goto exit;
193+ if (fread(buf, size, 1, fsource) != 1)
194+ goto exit;
195+ if (fwrite(buf, size, 1, ftarget) == 1)
196+ ret = true;
197+exit:
198+ if (ftarget != NULL)
199+ fclose(ftarget);
200+ if (fsource != NULL)
201+ fclose(fsource);
202+ free(buf);
203+ return ret;
204+}
205+
206+static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], bool test) {
207+ struct udev *udev = udev_device_get_udev(dev);
208+ static const char *searchpath[] = { FIRMWARE_PATH };
209+ char loadpath[UTIL_PATH_SIZE];
210+ char datapath[UTIL_PATH_SIZE];
211+ char fwpath[UTIL_PATH_SIZE];
212+ const char *firmware;
213+ FILE *fwfile = NULL;
214+ struct utsname kernel;
215+ struct stat statbuf;
216+ unsigned int i;
217+ int rc = EXIT_SUCCESS;
218+
219+ firmware = udev_device_get_property_value(dev, "FIRMWARE");
220+ if (firmware == NULL) {
221+ log_error("firmware parameter missing");
222+ rc = EXIT_FAILURE;
223+ goto exit;
224+ }
225+
226+ /* lookup firmware file */
227+ uname(&kernel);
228+ for (i = 0; i < ELEMENTSOF(searchpath); i++) {
229+ strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL);
230+ fwfile = fopen(fwpath, "re");
231+ if (fwfile != NULL)
232+ break;
233+
234+ strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL);
235+ fwfile = fopen(fwpath, "re");
236+ if (fwfile != NULL)
237+ break;
238+ }
239+
240+ strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
241+
242+ if (fwfile == NULL) {
243+ log_debug("did not find firmware file '%s'", firmware);
244+ rc = EXIT_FAILURE;
245+ /*
246+ * Do not cancel the request in the initrd, the real root might have
247+ * the firmware file and the 'coldplug' run in the real root will find
248+ * this pending request and fulfill or cancel it.
249+ * */
250+ if (!in_initrd())
251+ set_loading(udev, loadpath, "-1");
252+ goto exit;
253+ }
254+
255+ if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) {
256+ if (!in_initrd())
257+ set_loading(udev, loadpath, "-1");
258+ rc = EXIT_FAILURE;
259+ goto exit;
260+ }
261+
262+ if (!set_loading(udev, loadpath, "1"))
263+ goto exit;
264+
265+ strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
266+ if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) {
267+ log_error("error sending firmware '%s' to device", firmware);
268+ set_loading(udev, loadpath, "-1");
269+ rc = EXIT_FAILURE;
270+ goto exit;
271+ };
272+
273+ set_loading(udev, loadpath, "0");
274+exit:
275+ if (fwfile)
276+ fclose(fwfile);
277+ return rc;
278+}
279+
280+const struct udev_builtin udev_builtin_firmware = {
281+ .name = "firmware",
282+ .cmd = builtin_firmware,
283+ .help = "kernel firmware loader",
284+ .run_once = true,
285+};
286diff --git a/src/udev/udev-builtin.c b/src/udev/udev-builtin.c
287index 74b3bdc..3657106 100644
288--- a/src/udev/udev-builtin.c
289+++ b/src/udev/udev-builtin.c
290@@ -34,6 +34,9 @@ static const struct udev_builtin *builtins[] = {
291 [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
292 #endif
293 [UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs,
294+#ifdef HAVE_FIRMWARE
295+ [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware,
296+#endif
297 [UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb,
298 [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
299 [UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard,
300diff --git a/src/udev/udev.h b/src/udev/udev.h
301index 198cb2c..01a1e9c 100644
302--- a/src/udev/udev.h
303+++ b/src/udev/udev.h
304@@ -149,6 +149,9 @@ enum udev_builtin_cmd {
305 UDEV_BUILTIN_BLKID,
306 #endif
307 UDEV_BUILTIN_BTRFS,
308+#ifdef HAVE_FIRMWARE
309+ UDEV_BUILTIN_FIRMWARE,
310+#endif
311 UDEV_BUILTIN_HWDB,
312 UDEV_BUILTIN_INPUT_ID,
313 UDEV_BUILTIN_KEYBOARD,
314@@ -173,6 +176,9 @@ struct udev_builtin {
315 extern const struct udev_builtin udev_builtin_blkid;
316 #endif
317 extern const struct udev_builtin udev_builtin_btrfs;
318+#ifdef HAVE_FIRMWARE
319+extern const struct udev_builtin udev_builtin_firmware;
320+#endif
321 extern const struct udev_builtin udev_builtin_hwdb;
322 extern const struct udev_builtin udev_builtin_input_id;
323 extern const struct udev_builtin udev_builtin_keyboard;
324diff --git a/src/udev/udevd.c b/src/udev/udevd.c
325index b1de97a..35655d8 100644
326--- a/src/udev/udevd.c
327+++ b/src/udev/udevd.c
328@@ -101,6 +101,9 @@ struct event {
329 bool is_block;
330 usec_t start_usec;
331 bool warned;
332+#ifdef HAVE_FIRMWARE
333+ bool nodelay;
334+#endif
335 };
336
337 static inline struct event *node_to_event(struct udev_list_node *node) {
338@@ -491,6 +494,10 @@ static int event_queue_insert(struct udev_device *dev) {
339 event->devnum = udev_device_get_devnum(dev);
340 event->is_block = streq("block", udev_device_get_subsystem(dev));
341 event->ifindex = udev_device_get_ifindex(dev);
342+#ifdef HAVE_FIRMWARE
343+ if (streq(udev_device_get_subsystem(dev), "firmware"))
344+ event->nodelay = true;
345+#endif
346
347 log_debug("seq %llu queued, '%s' '%s'", udev_device_get_seqnum(dev),
348 udev_device_get_action(dev), udev_device_get_subsystem(dev));
349@@ -566,6 +573,12 @@ static bool is_devpath_busy(struct event *event) {
350 return true;
351 }
352
353+#ifdef HAVE_FIRMWARE
354+ /* allow to bypass the dependency tracking */
355+ if (event->nodelay)
356+ continue;
357+#endif
358+
359 /* parent device event found */
360 if (event->devpath[common] == '/') {
361 event->delaying_seqnum = loop_event->seqnum;
362--
3631.9.1
364
diff --git a/meta/recipes-core/udev/eudev_3.2.1.bb b/meta/recipes-core/udev/eudev_3.2.1.bb
index 9274849dfc..4a1a26aade 100644
--- a/meta/recipes-core/udev/eudev_3.2.1.bb
+++ b/meta/recipes-core/udev/eudev_3.2.1.bb
@@ -8,6 +8,8 @@ DEPENDS = "glib-2.0 glib-2.0-native gperf-native kmod libxslt-native util-linux"
8PROVIDES = "udev" 8PROVIDES = "udev"
9 9
10SRC_URI = "https://github.com/gentoo/${BPN}/archive/v${PV}.tar.gz;downloadfilename=${BP}.tar.gz \ 10SRC_URI = "https://github.com/gentoo/${BPN}/archive/v${PV}.tar.gz;downloadfilename=${BP}.tar.gz \
11 file://0014-Revert-rules-remove-firmware-loading-rules.patch \
12 file://Revert-udev-remove-userspace-firmware-loading-suppor.patch \
11 file://devfs-udev.rules \ 13 file://devfs-udev.rules \
12 file://init \ 14 file://init \
13 file://links.conf \ 15 file://links.conf \
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-16 02:38:05 +0000