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69 lines
1.8 KiB
69 lines
1.8 KiB
// 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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