lib/842/842_debugfs.h

Source file repositories/reference/linux-study-clean/lib/842/842_debugfs.h

File Facts

System
Linux kernel
Corpus path
lib/842/842_debugfs.h
Extension
.h
Size
1305 bytes
Lines
51
Domain
Kernel Services
Bucket
lib
Inferred role
Kernel Services: implementation source
Status
source implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __842_DEBUGFS_H__
#define __842_DEBUGFS_H__

#include <linux/debugfs.h>

static bool sw842_template_counts;
module_param_named(template_counts, sw842_template_counts, bool, 0444);

static atomic_t template_count[OPS_MAX], template_repeat_count,
	template_zeros_count, template_short_data_count, template_end_count;

static struct dentry *sw842_debugfs_root;

static int __init sw842_debugfs_create(void)
{
	umode_t m = S_IRUGO | S_IWUSR;
	int i;

	if (!debugfs_initialized())
		return -ENODEV;

	sw842_debugfs_root = debugfs_create_dir(MODULE_NAME, NULL);

	for (i = 0; i < ARRAY_SIZE(template_count); i++) {
		char name[32];

		snprintf(name, 32, "template_%02x", i);
		debugfs_create_atomic_t(name, m, sw842_debugfs_root,
					&template_count[i]);
	}
	debugfs_create_atomic_t("template_repeat", m, sw842_debugfs_root,
				&template_repeat_count);
	debugfs_create_atomic_t("template_zeros", m, sw842_debugfs_root,
				&template_zeros_count);
	debugfs_create_atomic_t("template_short_data", m, sw842_debugfs_root,
				&template_short_data_count);
	debugfs_create_atomic_t("template_end", m, sw842_debugfs_root,
				&template_end_count);

	return 0;
}

static void __exit sw842_debugfs_remove(void)
{
	debugfs_remove_recursive(sw842_debugfs_root);
}

#endif

Annotation

Implementation Notes