/*
* acpi_system.c - ACPI System Driver ($Revision: 63 $)
*
* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/uaccess.h>
#include <acpi/acpi_drivers.h>
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("system");
#define ACPI_SYSTEM_CLASS "system"
#define ACPI_SYSTEM_DEVICE_NAME "System"
u32 acpi_irq_handled;
u32 acpi_irq_not_handled;
/*
* Make ACPICA version work as module param
*/
static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
{
int result;
result = sprintf(buffer, "%x", ACPI_CA_VERSION);
return result;
}
module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
/* --------------------------------------------------------------------------
FS Interface (/sys)
-------------------------------------------------------------------------- */
static LIST_HEAD(acpi_table_attr_list);
static struct kobject *tables_kobj;
static struct kobject *dynamic_tables_kobj;
struct acpi_table_attr {
struct bin_attribute attr;
char name[8];
int instance;
struct list_head node;
};
static ssize_t acpi_table_show(struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
struct acpi_table_attr *table_attr =
container_of(bin_attr, struct acpi_table_attr, attr);
struct acpi_table_header *table_header = NULL;
acpi_status status;
char name[ACPI_NAME_SIZE];
if (strncmp(table_attr->name, "NULL", 4))
memcpy(name, table_attr->name, ACPI_NAME_SIZE);
else
memcpy(name, "\0\0\0\0", 4);
status =