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libnvdimm: move poison list functions to a new 'badrange' file

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nfit_test needs to use the poison list manipulation code as well. Make
it more generic and in the process rename poison to badrange, and move
all the related helpers to a new file.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
[vishal: Add badrange.o to nfit_test's Kbuild]
[vishal: add a missed include in bus.c for the new badrange functions]
[vishal: rename all instances of 'be' to 'bre']
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang
2017-08-23 12:48:26 -07:00
committed by Dan Williams
parent 11e1427016
commit aa9ad44a42
10 changed files with 332 additions and 282 deletions
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21
include/linux/libnvdimm.h
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@@ -18,6 +18,18 @@
#include <linux/sizes.h>
#include <linux/types.h>
#include <linux/uuid.h>
#include <linux/spinlock.h>
struct badrange_entry {
u64 start;
u64 length;
struct list_head list;
};
struct badrange {
struct list_head list;
spinlock_t lock;
};
enum {
/* when a dimm supports both PMEM and BLK access a label is required */
@@ -129,9 +141,12 @@ static inline struct nd_blk_region_desc *to_blk_region_desc(
}
int nvdimm_bus_add_poison(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length);
void nvdimm_forget_poison(struct nvdimm_bus *nvdimm_bus,
phys_addr_t start, unsigned int len);
void badrange_init(struct badrange *badrange);
int badrange_add(struct badrange *badrange, u64 addr, u64 length);
void badrange_forget(struct badrange *badrange, phys_addr_t start,
unsigned int len);
int nvdimm_bus_add_badrange(struct nvdimm_bus *nvdimm_bus, u64 addr,
u64 length);
struct nvdimm_bus *nvdimm_bus_register(struct device *parent,
struct nvdimm_bus_descriptor *nfit_desc);
void nvdimm_bus_unregister(struct nvdimm_bus *nvdimm_bus);