mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 08:14:15 +08:00
faa8bd6e12
The input parameter should be enum nvdimm_passphrase_type instead of bool
for selection of master/user for selection of extended master passphrase
state or the regular user passphrase state.
Fixes: 89fa9d8ea7 ("...add Intel DSM 1.8 master passphrase support")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
193 lines
6.8 KiB
C
193 lines
6.8 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
#ifndef __ND_CORE_H__
|
|
#define __ND_CORE_H__
|
|
#include <linux/libnvdimm.h>
|
|
#include <linux/device.h>
|
|
#include <linux/sizes.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/nd.h>
|
|
|
|
extern struct list_head nvdimm_bus_list;
|
|
extern struct mutex nvdimm_bus_list_mutex;
|
|
extern int nvdimm_major;
|
|
extern struct workqueue_struct *nvdimm_wq;
|
|
|
|
struct nvdimm_bus {
|
|
struct nvdimm_bus_descriptor *nd_desc;
|
|
wait_queue_head_t probe_wait;
|
|
struct list_head list;
|
|
struct device dev;
|
|
int id, probe_active;
|
|
struct list_head mapping_list;
|
|
struct mutex reconfig_mutex;
|
|
struct badrange badrange;
|
|
};
|
|
|
|
struct nvdimm {
|
|
unsigned long flags;
|
|
void *provider_data;
|
|
unsigned long cmd_mask;
|
|
struct device dev;
|
|
atomic_t busy;
|
|
int id, num_flush;
|
|
struct resource *flush_wpq;
|
|
const char *dimm_id;
|
|
struct {
|
|
const struct nvdimm_security_ops *ops;
|
|
enum nvdimm_security_state state;
|
|
enum nvdimm_security_state ext_state;
|
|
unsigned int overwrite_tmo;
|
|
struct kernfs_node *overwrite_state;
|
|
} sec;
|
|
struct delayed_work dwork;
|
|
};
|
|
|
|
static inline enum nvdimm_security_state nvdimm_security_state(
|
|
struct nvdimm *nvdimm, enum nvdimm_passphrase_type ptype)
|
|
{
|
|
if (!nvdimm->sec.ops)
|
|
return -ENXIO;
|
|
|
|
return nvdimm->sec.ops->state(nvdimm, ptype);
|
|
}
|
|
int nvdimm_security_freeze(struct nvdimm *nvdimm);
|
|
#if IS_ENABLED(CONFIG_NVDIMM_KEYS)
|
|
int nvdimm_security_disable(struct nvdimm *nvdimm, unsigned int keyid);
|
|
int nvdimm_security_update(struct nvdimm *nvdimm, unsigned int keyid,
|
|
unsigned int new_keyid,
|
|
enum nvdimm_passphrase_type pass_type);
|
|
int nvdimm_security_erase(struct nvdimm *nvdimm, unsigned int keyid,
|
|
enum nvdimm_passphrase_type pass_type);
|
|
int nvdimm_security_overwrite(struct nvdimm *nvdimm, unsigned int keyid);
|
|
void nvdimm_security_overwrite_query(struct work_struct *work);
|
|
#else
|
|
static inline int nvdimm_security_disable(struct nvdimm *nvdimm,
|
|
unsigned int keyid)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
static inline int nvdimm_security_update(struct nvdimm *nvdimm,
|
|
unsigned int keyid,
|
|
unsigned int new_keyid,
|
|
enum nvdimm_passphrase_type pass_type)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
static inline int nvdimm_security_erase(struct nvdimm *nvdimm,
|
|
unsigned int keyid,
|
|
enum nvdimm_passphrase_type pass_type)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
static inline int nvdimm_security_overwrite(struct nvdimm *nvdimm,
|
|
unsigned int keyid)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
static inline void nvdimm_security_overwrite_query(struct work_struct *work)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* struct blk_alloc_info - tracking info for BLK dpa scanning
|
|
* @nd_mapping: blk region mapping boundaries
|
|
* @available: decremented in alias_dpa_busy as aliased PMEM is scanned
|
|
* @busy: decremented in blk_dpa_busy to account for ranges already
|
|
* handled by alias_dpa_busy
|
|
* @res: alias_dpa_busy interprets this a free space range that needs to
|
|
* be truncated to the valid BLK allocation starting DPA, blk_dpa_busy
|
|
* treats it as a busy range that needs the aliased PMEM ranges
|
|
* truncated.
|
|
*/
|
|
struct blk_alloc_info {
|
|
struct nd_mapping *nd_mapping;
|
|
resource_size_t available, busy;
|
|
struct resource *res;
|
|
};
|
|
|
|
bool is_nvdimm(struct device *dev);
|
|
bool is_nd_pmem(struct device *dev);
|
|
bool is_nd_volatile(struct device *dev);
|
|
bool is_nd_blk(struct device *dev);
|
|
static inline bool is_nd_region(struct device *dev)
|
|
{
|
|
return is_nd_pmem(dev) || is_nd_blk(dev) || is_nd_volatile(dev);
|
|
}
|
|
static inline bool is_memory(struct device *dev)
|
|
{
|
|
return is_nd_pmem(dev) || is_nd_volatile(dev);
|
|
}
|
|
struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev);
|
|
int __init nvdimm_bus_init(void);
|
|
void nvdimm_bus_exit(void);
|
|
void nvdimm_devs_exit(void);
|
|
void nd_region_devs_exit(void);
|
|
void nd_region_probe_success(struct nvdimm_bus *nvdimm_bus, struct device *dev);
|
|
struct nd_region;
|
|
void nd_region_create_ns_seed(struct nd_region *nd_region);
|
|
void nd_region_create_btt_seed(struct nd_region *nd_region);
|
|
void nd_region_create_pfn_seed(struct nd_region *nd_region);
|
|
void nd_region_create_dax_seed(struct nd_region *nd_region);
|
|
void nd_region_disable(struct nvdimm_bus *nvdimm_bus, struct device *dev);
|
|
int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus);
|
|
void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus);
|
|
void nd_synchronize(void);
|
|
int nvdimm_bus_register_dimms(struct nvdimm_bus *nvdimm_bus);
|
|
int nvdimm_bus_register_regions(struct nvdimm_bus *nvdimm_bus);
|
|
int nvdimm_bus_init_interleave_sets(struct nvdimm_bus *nvdimm_bus);
|
|
void __nd_device_register(struct device *dev);
|
|
int nd_match_dimm(struct device *dev, void *data);
|
|
struct nd_label_id;
|
|
char *nd_label_gen_id(struct nd_label_id *label_id, u8 *uuid, u32 flags);
|
|
bool nd_is_uuid_unique(struct device *dev, u8 *uuid);
|
|
struct nd_region;
|
|
struct nvdimm_drvdata;
|
|
struct nd_mapping;
|
|
void nd_mapping_free_labels(struct nd_mapping *nd_mapping);
|
|
|
|
int __reserve_free_pmem(struct device *dev, void *data);
|
|
void release_free_pmem(struct nvdimm_bus *nvdimm_bus,
|
|
struct nd_mapping *nd_mapping);
|
|
|
|
resource_size_t nd_pmem_max_contiguous_dpa(struct nd_region *nd_region,
|
|
struct nd_mapping *nd_mapping);
|
|
resource_size_t nd_region_allocatable_dpa(struct nd_region *nd_region);
|
|
resource_size_t nd_pmem_available_dpa(struct nd_region *nd_region,
|
|
struct nd_mapping *nd_mapping, resource_size_t *overlap);
|
|
resource_size_t nd_blk_available_dpa(struct nd_region *nd_region);
|
|
resource_size_t nd_region_available_dpa(struct nd_region *nd_region);
|
|
int nd_region_conflict(struct nd_region *nd_region, resource_size_t start,
|
|
resource_size_t size);
|
|
resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd,
|
|
struct nd_label_id *label_id);
|
|
int alias_dpa_busy(struct device *dev, void *data);
|
|
struct resource *nsblk_add_resource(struct nd_region *nd_region,
|
|
struct nvdimm_drvdata *ndd, struct nd_namespace_blk *nsblk,
|
|
resource_size_t start);
|
|
int nvdimm_num_label_slots(struct nvdimm_drvdata *ndd);
|
|
void get_ndd(struct nvdimm_drvdata *ndd);
|
|
resource_size_t __nvdimm_namespace_capacity(struct nd_namespace_common *ndns);
|
|
void nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns);
|
|
void __nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns);
|
|
bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
|
|
struct nd_namespace_common **_ndns);
|
|
bool __nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
|
|
struct nd_namespace_common **_ndns);
|
|
ssize_t nd_namespace_store(struct device *dev,
|
|
struct nd_namespace_common **_ndns, const char *buf,
|
|
size_t len);
|
|
struct nd_pfn *to_nd_pfn_safe(struct device *dev);
|
|
#endif /* __ND_CORE_H__ */
|