From 3b717594600fa717cdf9bcfd0c7c1b703b245482 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Mon, 1 Sep 2014 09:07:49 -0400 Subject: udev: remove userspace firmware loading support Signed-off-by: Anthony G. Basile --- configure.ac | 19 ----- rules/Makefile.am | 5 -- src/udev/Makefile.am | 10 --- src/udev/udev-builtin-firmware.c | 154 --------------------------------------- src/udev/udev-builtin.c | 3 - src/udev/udev.h | 6 -- src/udev/udevd.c | 13 ---- 7 files changed, 210 deletions(-) delete mode 100644 src/udev/udev-builtin-firmware.c diff --git a/configure.ac b/configure.ac index e5e6889055..97e559a220 100644 --- a/configure.ac +++ b/configure.ac @@ -218,25 +218,6 @@ AC_CHECK_DECL([unshare], [#include ])], [#include ]) -# ------------------------------------------------------------------------------ -AC_ARG_WITH(firmware-path, - AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]], - [Firmware search path (default="")]), - [], [with_firmware_path=""]) -OLD_IFS=$IFS -IFS=: -for i in $with_firmware_path; do - if test "x${FIRMWARE_PATH}" = "x"; then - FIRMWARE_PATH="\\\"${i}/\\\"" - else - FIRMWARE_PATH="${FIRMWARE_PATH}, \\\"${i}/\\\"" - fi -done -IFS=$OLD_IFS -AC_SUBST(FIRMWARE_PATH) -AS_IF([test "x${FIRMWARE_PATH}" != "x"], [ AC_DEFINE(HAVE_FIRMWARE, 1, [Define if FIRMWARE is available]) ]) -AM_CONDITIONAL(ENABLE_FIRMWARE, [test "x${FIRMWARE_PATH}" != "x"]) - # ------------------------------------------------------------------------------ AC_ARG_ENABLE([gudev], AS_HELP_STRING([--disable-gudev], [disable Gobject libudev support @<:@default=enabled@:>@]), diff --git a/rules/Makefile.am b/rules/Makefile.am index af97ba5e3e..ae950a9546 100644 --- a/rules/Makefile.am +++ b/rules/Makefile.am @@ -23,11 +23,6 @@ dist_udevrules_DATA += \ 80-net-name-slot.rules endif -if ENABLE_FIRMWARE -dist_udevrules_DATA += \ - 50-firmware.rules -endif - if HAVE_BLKID dist_udevrules_DATA += \ 60-persistent-storage.rules diff --git a/src/udev/Makefile.am b/src/udev/Makefile.am index 638e2d5678..f9af997ffe 100644 --- a/src/udev/Makefile.am +++ b/src/udev/Makefile.am @@ -50,18 +50,12 @@ libudev_core_la_SOURCES = \ udev-ctrl.c \ udev-builtin.c \ udev-builtin-btrfs.c \ - udev-builtin-firmware.c \ udev-builtin-hwdb.c \ udev-builtin-input_id.c \ udev-builtin-net_id.c \ udev-builtin-path_id.c \ udev-builtin-usb_id.c -if ENABLE_FIRMWARE -libudev_core_la_SOURCES += \ - udev-builtin-firmware.c -endif - include_HEADERS = \ udev.h @@ -89,10 +83,6 @@ libudev_core_la_LIBADD += $(KMOD_LIBS) endif endif -libudev_core_la_CPPFLAGS = \ - $(AM_CPPFLAGS) \ - -DFIRMWARE_PATH="$(FIRMWARE_PATH)" - # # Extras # diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c deleted file mode 100644 index bd8c2fb966..0000000000 --- a/src/udev/udev-builtin-firmware.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * firmware - Kernel firmware loader - * - * Copyright (C) 2009 Piter Punk - * Copyright (C) 2009-2011 Kay Sievers - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details:* - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "udev.h" - -static bool set_loading(struct udev *udev, char *loadpath, const char *state) { - FILE *ldfile; - - ldfile = fopen(loadpath, "we"); - if (ldfile == NULL) { - log_error("error: can not open '%s'", loadpath); - return false; - }; - fprintf(ldfile, "%s\n", state); - fclose(ldfile); - return true; -} - -static bool copy_firmware(struct udev *udev, const char *source, const char *target, size_t size) { - char *buf; - FILE *fsource = NULL, *ftarget = NULL; - bool ret = false; - - buf = malloc(size); - if (buf == NULL) { - log_error("No memory available to load firmware file"); - return false; - } - - log_debug("writing '%s' (%zi) to '%s'", source, size, target); - - fsource = fopen(source, "re"); - if (fsource == NULL) - goto exit; - ftarget = fopen(target, "we"); - if (ftarget == NULL) - goto exit; - if (fread(buf, size, 1, fsource) != 1) - goto exit; - if (fwrite(buf, size, 1, ftarget) == 1) - ret = true; -exit: - if (ftarget != NULL) - fclose(ftarget); - if (fsource != NULL) - fclose(fsource); - free(buf); - return ret; -} - -static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], bool test) { - struct udev *udev = udev_device_get_udev(dev); - static const char *searchpath[] = { FIRMWARE_PATH }; - char loadpath[UTIL_PATH_SIZE]; - char datapath[UTIL_PATH_SIZE]; - char fwpath[UTIL_PATH_SIZE]; - const char *firmware; - FILE *fwfile = NULL; - struct utsname kernel; - struct stat statbuf; - unsigned int i; - int rc = EXIT_SUCCESS; - - firmware = udev_device_get_property_value(dev, "FIRMWARE"); - if (firmware == NULL) { - log_error("firmware parameter missing"); - rc = EXIT_FAILURE; - goto exit; - } - - /* lookup firmware file */ - uname(&kernel); - for (i = 0; i < ELEMENTSOF(searchpath); i++) { - strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL); - fwfile = fopen(fwpath, "re"); - if (fwfile != NULL) - break; - - strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL); - fwfile = fopen(fwpath, "re"); - if (fwfile != NULL) - break; - } - - strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL); - - if (fwfile == NULL) { - log_debug("did not find firmware file '%s'", firmware); - rc = EXIT_FAILURE; - /* - * Do not cancel the request in the initrd, the real root might have - * the firmware file and the 'coldplug' run in the real root will find - * this pending request and fulfill or cancel it. - * */ - if (!in_initrd()) - set_loading(udev, loadpath, "-1"); - goto exit; - } - - if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) { - if (!in_initrd()) - set_loading(udev, loadpath, "-1"); - rc = EXIT_FAILURE; - goto exit; - } - - if (!set_loading(udev, loadpath, "1")) - goto exit; - - strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL); - if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) { - log_error("error sending firmware '%s' to device", firmware); - set_loading(udev, loadpath, "-1"); - rc = EXIT_FAILURE; - goto exit; - }; - - set_loading(udev, loadpath, "0"); -exit: - if (fwfile) - fclose(fwfile); - return rc; -} - -const struct udev_builtin udev_builtin_firmware = { - .name = "firmware", - .cmd = builtin_firmware, - .help = "kernel firmware loader", - .run_once = true, -}; diff --git a/src/udev/udev-builtin.c b/src/udev/udev-builtin.c index 6754455d31..70b7ab4332 100644 --- a/src/udev/udev-builtin.c +++ b/src/udev/udev-builtin.c @@ -34,9 +34,6 @@ static const struct udev_builtin *builtins[] = { [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid, #endif [UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs, -#ifdef HAVE_FIRMWARE - [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware, -#endif [UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb, [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id, #ifdef ENABLE_KEYMAP diff --git a/src/udev/udev.h b/src/udev/udev.h index ddd7104a97..64a0983299 100644 --- a/src/udev/udev.h +++ b/src/udev/udev.h @@ -141,9 +141,6 @@ enum udev_builtin_cmd { UDEV_BUILTIN_BLKID, #endif UDEV_BUILTIN_BTRFS, -#ifdef HAVE_FIRMWARE - UDEV_BUILTIN_FIRMWARE, -#endif UDEV_BUILTIN_HWDB, UDEV_BUILTIN_INPUT_ID, #ifdef ENABLE_KEYMAP @@ -170,9 +167,6 @@ struct udev_builtin { extern const struct udev_builtin udev_builtin_blkid; #endif extern const struct udev_builtin udev_builtin_btrfs; -#ifdef HAVE_FIRMWARE -extern const struct udev_builtin udev_builtin_firmware; -#endif extern const struct udev_builtin udev_builtin_hwdb; extern const struct udev_builtin udev_builtin_input_id; #ifdef ENABLE_KEYMAP diff --git a/src/udev/udevd.c b/src/udev/udevd.c index 1ddb00753b..68fd34bfdf 100644 --- a/src/udev/udevd.c +++ b/src/udev/udevd.c @@ -100,9 +100,6 @@ struct event { dev_t devnum; int ifindex; bool is_block; -#ifdef HAVE_FIRMWARE - bool nodelay; -#endif }; static inline struct event *node_to_event(struct udev_list_node *node) { @@ -458,10 +455,6 @@ static int event_queue_insert(struct udev_device *dev) { event->devnum = udev_device_get_devnum(dev); event->is_block = streq("block", udev_device_get_subsystem(dev)); event->ifindex = udev_device_get_ifindex(dev); -#ifdef HAVE_FIRMWARE - if (streq(udev_device_get_subsystem(dev), "firmware")) - event->nodelay = true; -#endif log_debug("seq %llu queued, '%s' '%s'", udev_device_get_seqnum(dev), udev_device_get_action(dev), udev_device_get_subsystem(dev)); @@ -538,12 +531,6 @@ static bool is_devpath_busy(struct event *event) { return true; } -#ifdef HAVE_FIRMWARE - /* allow to bypass the dependency tracking */ - if (event->nodelay) - continue; -#endif - /* parent device event found */ if (event->devpath[common] == '/') { event->delaying_seqnum = loop_event->seqnum; -- cgit v1.2.3-54-g00ecf