70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/types.h>
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#include <linux/kconfig.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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#include <linux/export.h>
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#include <linux/security.h>
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#include <linux/highmem.h>
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#include <linux/umh.h>
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#include <linux/sysctl.h>
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#include "fallback.h"
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#include "firmware.h"
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/*
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* firmware fallback configuration table
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*/
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struct firmware_fallback_config fw_fallback_config = {
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.force_sysfs_fallback = IS_ENABLED(CONFIG_FW_LOADER_USER_HELPER_FALLBACK),
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.loading_timeout = 60,
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.old_timeout = 60,
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};
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EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE);
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#ifdef CONFIG_SYSCTL
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static struct ctl_table firmware_config_table[] = {
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{
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.procname = "force_sysfs_fallback",
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.data = &fw_fallback_config.force_sysfs_fallback,
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.maxlen = sizeof(unsigned int),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = SYSCTL_ZERO,
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.extra2 = SYSCTL_ONE,
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},
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{
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.procname = "ignore_sysfs_fallback",
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.data = &fw_fallback_config.ignore_sysfs_fallback,
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.maxlen = sizeof(unsigned int),
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.mode = 0644,
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.proc_handler = proc_douintvec_minmax,
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.extra1 = SYSCTL_ZERO,
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.extra2 = SYSCTL_ONE,
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},
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{ }
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};
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static struct ctl_table_header *firmware_config_sysct_table_header;
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int register_firmware_config_sysctl(void)
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{
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firmware_config_sysct_table_header =
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register_sysctl("kernel/firmware_config",
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firmware_config_table);
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if (!firmware_config_sysct_table_header)
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return -ENOMEM;
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return 0;
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}
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EXPORT_SYMBOL_NS_GPL(register_firmware_config_sysctl, FIRMWARE_LOADER_PRIVATE);
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void unregister_firmware_config_sysctl(void)
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{
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unregister_sysctl_table(firmware_config_sysct_table_header);
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firmware_config_sysct_table_header = NULL;
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}
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EXPORT_SYMBOL_NS_GPL(unregister_firmware_config_sysctl, FIRMWARE_LOADER_PRIVATE);
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#endif /* CONFIG_SYSCTL */
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