diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/libnvdimm.h | 5 | ||||
| -rw-r--r-- | include/linux/nd.h | 7 | ||||
| -rw-r--r-- | include/linux/pmem.h | 19 |
3 files changed, 30 insertions, 1 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 141ffdd59960..833867b9ddc2 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -48,7 +48,7 @@ struct nvdimm; struct nvdimm_bus_descriptor; typedef int (*ndctl_fn)(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd, void *buf, - unsigned int buf_len); + unsigned int buf_len, int *cmd_rc); struct nd_namespace_label; struct nvdimm_drvdata; @@ -71,6 +71,9 @@ struct nvdimm_bus_descriptor { unsigned long dsm_mask; char *provider_name; ndctl_fn ndctl; + int (*flush_probe)(struct nvdimm_bus_descriptor *nd_desc); + int (*clear_to_send)(struct nvdimm_bus_descriptor *nd_desc, + struct nvdimm *nvdimm, unsigned int cmd); }; struct nd_cmd_desc { 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) \ diff --git a/include/linux/pmem.h b/include/linux/pmem.h index 7c3d11a6b4ad..3ec5309e29f3 100644 --- a/include/linux/pmem.h +++ b/include/linux/pmem.h @@ -58,6 +58,11 @@ static inline void arch_wb_cache_pmem(void __pmem *addr, size_t size) { BUG(); } + +static inline void arch_invalidate_pmem(void __pmem *addr, size_t size) +{ + BUG(); +} #endif /* @@ -186,6 +191,20 @@ static inline void clear_pmem(void __pmem *addr, size_t size) } /** + * invalidate_pmem - flush a pmem range from the cache hierarchy + * @addr: virtual start address + * @size: bytes to invalidate (internally aligned to cache line size) + * + * For platforms that support clearing poison this flushes any poisoned + * ranges out of the cache + */ +static inline void invalidate_pmem(void __pmem *addr, size_t size) +{ + if (arch_has_pmem_api()) + arch_invalidate_pmem(addr, size); +} + +/** * wb_cache_pmem - write back processor cache for PMEM memory range * @addr: virtual start address * @size: number of bytes to write back |