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authorDan Williams <dan.j.williams@intel.com>2016-02-18 10:29:49 -0800
committerDan Williams <dan.j.williams@intel.com>2016-03-05 12:24:06 -0800
commit719994660c249a086a7493205c7f1562e30c38cb (patch)
treec45b589901ab8e779e8b6b423c63ba45475991fc /include/linux/nd.h
parent5faecf4eb0d7d67e809a4bc9059c764c27670832 (diff)
libnvdimm: async notification support
In preparation for asynchronous address range scrub support add an ability for the pmem driver to dynamically consume address range scrub results. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/nd.h')
-rw-r--r--include/linux/nd.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/nd.h b/include/linux/nd.h
index 507e47c86737..5489ab756d1a 100644
--- a/include/linux/nd.h
+++ b/include/linux/nd.h
@@ -16,11 +16,16 @@
#include <linux/ndctl.h>
#include <linux/device.h>
+enum nvdimm_event {
+ NVDIMM_REVALIDATE_POISON,
+};
+
struct nd_device_driver {
struct device_driver drv;
unsigned long type;
int (*probe)(struct device *dev);
int (*remove)(struct device *dev);
+ void (*notify)(struct device *dev, enum nvdimm_event event);
};
static inline struct nd_device_driver *to_nd_device_driver(
@@ -144,6 +149,8 @@ static inline int nvdimm_write_bytes(struct nd_namespace_common *ndns,
MODULE_ALIAS("nd:t" __stringify(type) "*")
#define ND_DEVICE_MODALIAS_FMT "nd:t%d"
+struct nd_region;
+void nvdimm_region_notify(struct nd_region *nd_region, enum nvdimm_event event);
int __must_check __nd_driver_register(struct nd_device_driver *nd_drv,
struct module *module, const char *mod_name);
#define nd_driver_register(driver) \