/*
* Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.
*/
#include <linux/list_sort.h>
#include <linux/libnvdimm.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/ndctl.h>
#include <linux/list.h>
#include <linux/acpi.h>
#include <linux/sort.h>
#include <linux/pmem.h>
#include <linux/io.h>
#include <asm/cacheflush.h>
#include "nfit.h"
/*
* For readq() and writeq() on 32-bit builds, the hi-lo, lo-hi order is
* irrelevant.
*/
#include <asm-generic/io-64-nonatomic-hi-lo.h>
static bool force_enable_dimms;
module_param(force_enable_dimms, bool, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(force_enable_dimms, "Ignore _STA (ACPI DIMM device) status");
static u8 nfit_uuid[NFIT_UUID_MAX][16];
const u8 *to_nfit_uuid(enum nfit_uuids id)
{
return nfit_uuid[id];
}
EXPORT_SYMBOL(to_nfit_uuid);
static struct acpi_nfit_desc *to_acpi_nfit_desc(
struct nvdimm_bus_descriptor *nd_desc)
{
return container_of(nd_desc, struct acpi_nfit_desc, nd_desc);
}
static struct acpi_device *to_acpi_dev(struct acpi_nfit_desc *acpi_desc)
{
struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc;
/*
* If provider == 'ACPI.NFIT' we can assume 'dev' is a struct
* acpi_device.
*/
if (!nd_desc->provider_name
|| strcmp(nd_desc->provider_name, "ACPI.NFIT") != 0)
return NULL;
return to_acpi_device(acpi_desc->dev);
}
static int acpi_
| 