From be2ea723b1d023b3d385d3b791ee4607cbfb20ca Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Sat, 30 Aug 2014 11:34:20 +0200 Subject: udev: remove userspace firmware loading support --- src/udev/udev-builtin-firmware.c | 154 --------------------------------------- src/udev/udev-builtin.c | 3 - src/udev/udev.h | 6 -- src/udev/udevd.c | 13 ---- 4 files changed, 176 deletions(-) delete mode 100644 src/udev/udev-builtin-firmware.c (limited to 'src/udev') 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 05a272646b..3bcbd6e828 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, [UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard, diff --git a/src/udev/udev.h b/src/udev/udev.h index 4aca70bef4..faa8f566c2 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, UDEV_BUILTIN_KEYBOARD, @@ -172,9 +169,6 @@ 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; extern const struct udev_builtin udev_builtin_keyboard; diff --git a/src/udev/udevd.c b/src/udev/udevd.c index f882cfb3ad..9c2b0d5223 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