drivers/base/firmware_loader/fallback_table.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <linux/types.h>
   4 #include <linux/kconfig.h>
   5 #include <linux/list.h>
   6 #include <linux/slab.h>
   7 #include <linux/security.h>
   8 #include <linux/highmem.h>
   9 #include <linux/umh.h>
  10 #include <linux/sysctl.h>
  11
  12 #include "fallback.h"
  13 #include "firmware.h"
  14
  15 /*
  16  * firmware fallback configuration table
  17  */
  18
  19 static unsigned int zero;
  20 static unsigned int one = 1;
  21
  22 struct firmware_fallback_config fw_fallback_config = {
  23         .force_sysfs_fallback = IS_ENABLED(CONFIG_FW_LOADER_USER_HELPER_FALLBACK),
  24         .loading_timeout = 60,
  25         .old_timeout = 60,
  26 };
  27 EXPORT_SYMBOL_GPL(fw_fallback_config);
  28
  29 struct ctl_table firmware_config_table[] = {
  30         {
  31                 .procname       = "force_sysfs_fallback",
  32                 .data           = &fw_fallback_config.force_sysfs_fallback,
  33                 .maxlen         = sizeof(unsigned int),
  34                 .mode           = 0644,
  35                 .proc_handler   = proc_douintvec_minmax,
  36                 .extra1         = &zero,
  37                 .extra2         = &one,
  38         },
  39         {
  40                 .procname       = "ignore_sysfs_fallback",
  41                 .data           = &fw_fallback_config.ignore_sysfs_fallback,
  42                 .maxlen         = sizeof(unsigned int),
  43                 .mode           = 0644,
  44                 .proc_handler   = proc_douintvec_minmax,
  45                 .extra1         = &zero,
  46                 .extra2         = &one,
  47         },
  48         { }
  49 };
  50 EXPORT_SYMBOL_GPL(firmware_config_table);