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acpi/nfit, libnvdimm: Store dimm id as a member to struct nvdimm

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The generated dimm id is needed for the sysfs attribute as well as being
used as the identifier/description for the security key. Since it's
constant and should never change, store it as a member of struct nvdimm.

As nvdimm_create() continues to grow parameters relative to NFIT driver
requirements, do not require other implementations to keep pace.
Introduce __nvdimm_create() to carry the new parameters and keep
nvdimm_create() with the long standing default api.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang 2018-12-04 10:31:20 -08:00 • committed by Dan Williams
parent b3ed2ce024
commit d6548ae4d1
5 changed files with 42 additions and 22 deletions
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17
include/linux/libnvdimm.h
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@ -175,10 +175,19 @@ const char *nvdimm_name(struct nvdimm *nvdimm);
struct kobject *nvdimm_kobj(struct nvdimm *nvdimm);
unsigned long nvdimm_cmd_mask(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,
unsigned long cmd_mask, int num_flush,
struct resource *flush_wpq);
struct nvdimm *__nvdimm_create(struct nvdimm_bus *nvdimm_bus,
void *provider_data, const struct attribute_group **groups,
unsigned long flags, unsigned long cmd_mask, int num_flush,
struct resource *flush_wpq, const char *dimm_id);
static inline struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus,
void *provider_data, const struct attribute_group **groups,
unsigned long flags, unsigned long cmd_mask, int num_flush,
struct resource *flush_wpq)
{
return __nvdimm_create(nvdimm_bus, provider_data, groups, flags,
cmd_mask, num_flush, flush_wpq, NULL);
}
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,