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* [PATCH] libnvdimm: Provide a simplified nvdimm_create() for non-security enabled DIMMs
@ 2018-10-13 16:24 Dan Williams
  2018-10-15  0:05 ` Oliver
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Williams @ 2018-10-13 16:24 UTC (permalink / raw)
  To: linux-nvdimm; +Cc: Michael Ellerman, linux-kernel

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,

_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

^ permalink raw reply related	[flat|nested] 2+ messages in thread
* Re: [PATCH] libnvdimm: Provide a simplified nvdimm_create() for non-security enabled DIMMs
  2018-10-13 16:24 [PATCH] libnvdimm: Provide a simplified nvdimm_create() for non-security enabled DIMMs Dan Williams
@ 2018-10-15  0:05 ` Oliver
  0 siblings, 0 replies; 2+ messages in thread
From: Oliver @ 2018-10-15  0:05 UTC (permalink / raw)
  To: Dan Williams; +Cc: Michael Ellerman, Linux Kernel Mailing List, linux-nvdimm

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>
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

^ permalink raw reply	[flat|nested] 2+ messages in thread
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2018-10-13 16:24 [PATCH] libnvdimm: Provide a simplified nvdimm_create() for non-security enabled DIMMs Dan Williams
2018-10-15  0:05 ` Oliver

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