Messages in this thread | | | From | Oliver <> | Date | Mon, 15 Oct 2018 11:05:44 +1100 | Subject | Re: [PATCH] libnvdimm: Provide a simplified nvdimm_create() for non-security enabled DIMMs |
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On Sun, Oct 14, 2018 at 3:35 AM Dan Williams <dan.j.williams@intel.com> wrote: > > Do not require libnvdimm provider implementations to include security > parameters if the bus / dimm-devices do not have that support. > > Cc: Oliver O'Halloran <oohall@gmail.com> > Cc: Michael Ellerman <mpe@ellerman.id.au> > Signed-off-by: Dan Williams <dan.j.williams@intel.com> > --- > drivers/acpi/nfit/core.c | 2 +- > drivers/nvdimm/dimm_devs.c | 4 ++-- > include/linux/libnvdimm.h | 11 ++++++++++- > 3 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c > index a287a773012b..a0dfbcf8220d 100644 > --- a/drivers/acpi/nfit/core.c > +++ b/drivers/acpi/nfit/core.c > @@ -1992,7 +1992,7 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) > > flush = nfit_mem->nfit_flush ? nfit_mem->nfit_flush->flush > : NULL; > - nvdimm = nvdimm_create(acpi_desc->nvdimm_bus, nfit_mem, > + nvdimm = __nvdimm_create(acpi_desc->nvdimm_bus, nfit_mem, > acpi_nfit_dimm_attribute_groups, > flags, cmd_mask, flush ? flush->hint_count : 0, > nfit_mem->flush_wpq, &nfit_mem->id[0], > diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c > index d1bfb8975b07..5d34251c4f3b 100644 > --- a/drivers/nvdimm/dimm_devs.c > +++ b/drivers/nvdimm/dimm_devs.c > @@ -459,7 +459,7 @@ struct attribute_group nvdimm_attribute_group = { > }; > EXPORT_SYMBOL_GPL(nvdimm_attribute_group); > > -struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus, void *provider_data, > +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, > @@ -496,7 +496,7 @@ struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus, void *provider_data, > > return nvdimm; > } > -EXPORT_SYMBOL_GPL(nvdimm_create); > +EXPORT_SYMBOL_GPL(__nvdimm_create); > > int alias_dpa_busy(struct device *dev, void *data) > { > diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h > index c352b8195675..1071fe12081b 100644 > --- a/include/linux/libnvdimm.h > +++ b/include/linux/libnvdimm.h > @@ -207,11 +207,20 @@ 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, > +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, > const struct nvdimm_security_ops *sec_ops); > +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, 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,
Acked-by: Oliver O'Halloran <oohall@gmail.com>
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