linux/drivers/acpi/acpi_configfs.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ACPI configfs support
 *
 * Copyright (c) 2016 Intel Corporation
 */

#define pr_fmt(fmt) …

#include <linux/init.h>
#include <linux/module.h>
#include <linux/configfs.h>
#include <linux/acpi.h>
#include <linux/security.h>

static struct config_group *acpi_table_group;

struct acpi_table { … };

static ssize_t acpi_table_aml_write(struct config_item *cfg,
				    const void *data, size_t size)
{ … }

static inline struct acpi_table_header *get_header(struct config_item *cfg)
{ … }

static ssize_t acpi_table_aml_read(struct config_item *cfg,
				   void *data, size_t size)
{ … }

#define MAX_ACPI_TABLE_SIZE …

CONFIGFS_BIN_ATTR(…);

static struct configfs_bin_attribute *acpi_table_bin_attrs[] = …;

static ssize_t acpi_table_signature_show(struct config_item *cfg, char *str)
{ … }

static ssize_t acpi_table_length_show(struct config_item *cfg, char *str)
{ … }

static ssize_t acpi_table_revision_show(struct config_item *cfg, char *str)
{ … }

static ssize_t acpi_table_oem_id_show(struct config_item *cfg, char *str)
{ … }

static ssize_t acpi_table_oem_table_id_show(struct config_item *cfg, char *str)
{ … }

static ssize_t acpi_table_oem_revision_show(struct config_item *cfg, char *str)
{ … }

static ssize_t acpi_table_asl_compiler_id_show(struct config_item *cfg,
					       char *str)
{ … }

static ssize_t acpi_table_asl_compiler_revision_show(struct config_item *cfg,
						     char *str)
{ … }

CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);
CONFIGFS_ATTR_RO(…);

static struct configfs_attribute *acpi_table_attrs[] = …;

static const struct config_item_type acpi_table_type = …;

static struct config_item *acpi_table_make_item(struct config_group *group,
						const char *name)
{ … }

static void acpi_table_drop_item(struct config_group *group,
				 struct config_item *cfg)
{ … }

static struct configfs_group_operations acpi_table_group_ops = …;

static const struct config_item_type acpi_tables_type = …;

static const struct config_item_type acpi_root_group_type = …;

static struct configfs_subsystem acpi_configfs = …;

static int __init acpi_configfs_init(void)
{ … }
module_init(…) …;

static void __exit acpi_configfs_exit(void)
{ … }
module_exit(acpi_configfs_exit);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;