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 /* Module or buit-in */
  20 #ifdef CONFIG_FW_LOADER_USER_HELPER
  21
  22 static unsigned int zero;
  23 static unsigned int one = 1;
  24
  25 struct firmware_fallback_config fw_fallback_config = {
  26         .force_sysfs_fallback = IS_ENABLED(CONFIG_FW_LOADER_USER_HELPER_FALLBACK),
  27         .loading_timeout = 60,
  28         .old_timeout = 60,
  29 };
  30 EXPORT_SYMBOL_GPL(fw_fallback_config);
  31
  32 struct ctl_table firmware_config_table[] = {
  33         {
  34                 .procname       = "force_sysfs_fallback",
  35                 .data           = &fw_fallback_config.force_sysfs_fallback,
  36                 .maxlen         = sizeof(unsigned int),
  37                 .mode           = 0644,
  38                 .proc_handler   = proc_douintvec_minmax,
  39                 .extra1         = &zero,
  40                 .extra2         = &one,
  41         },
  42         {
  43                 .procname       = "ignore_sysfs_fallback",
  44                 .data           = &fw_fallback_config.ignore_sysfs_fallback,
  45                 .maxlen         = sizeof(unsigned int),
  46                 .mode           = 0644,
  47                 .proc_handler   = proc_douintvec_minmax,
  48                 .extra1         = &zero,
  49                 .extra2         = &one,
  50         },
  51         { }
  52 };
  53 EXPORT_SYMBOL_GPL(firmware_config_table);
  54
  55 #endif