diff options
Diffstat (limited to 'include/linux/libnvdimm.h')
| -rw-r--r-- | include/linux/libnvdimm.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 07787f0..a392358 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -14,13 +14,22 @@ */ #ifndef __LIBNVDIMM_H__ #define __LIBNVDIMM_H__ +#include <linux/sizes.h> +#include <linux/types.h> enum { /* when a dimm supports both PMEM and BLK access a label is required */ NDD_ALIASING = 1 << 0, + + /* need to set a limit somewhere, but yes, this is likely overkill */ + ND_IOCTL_MAX_BUFLEN = SZ_4M, + ND_CMD_MAX_ELEM = 4, + ND_CMD_MAX_ENVELOPE = 16, + ND_CMD_ARS_STATUS_MAX = SZ_4K, }; extern struct attribute_group nvdimm_bus_attribute_group; +extern struct attribute_group nvdimm_attribute_group; struct nvdimm; struct nvdimm_bus_descriptor; @@ -35,6 +44,14 @@ struct nvdimm_bus_descriptor { ndctl_fn ndctl; }; +struct nd_cmd_desc { + int in_num; + int out_num; + u32 in_sizes[ND_CMD_MAX_ELEM]; + int out_sizes[ND_CMD_MAX_ELEM]; +}; + +struct nvdimm_bus; struct device; struct nvdimm_bus *nvdimm_bus_register(struct device *parent, struct nvdimm_bus_descriptor *nfit_desc); @@ -45,5 +62,13 @@ struct nvdimm_bus_descriptor *to_nd_desc(struct nvdimm_bus *nvdimm_bus); const char *nvdimm_name(struct nvdimm *nvdimm); void *nvdimm_provider_data(struct nvdimm *nvdimm); struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus, void *provider_data, - const struct attribute_group **groups, unsigned long flags); + const struct attribute_group **groups, unsigned long flags, + unsigned long *dsm_mask); +const struct nd_cmd_desc *nd_cmd_dimm_desc(int cmd); +const struct nd_cmd_desc *nd_cmd_bus_desc(int cmd); +u32 nd_cmd_in_size(struct nvdimm *nvdimm, int cmd, + const struct nd_cmd_desc *desc, int idx, void *buf); +u32 nd_cmd_out_size(struct nvdimm *nvdimm, int cmd, + const struct nd_cmd_desc *desc, int idx, const u32 *in_field, + const u32 *out_field); #endif /* __LIBNVDIMM_H__ */ |
