[ndctl PATCH v2] Expose ndctl_bus_nfit_translate_spa as a public function.

["Tsaur, Erwin" <erwin.tsaur@intel.com>]

The motivation is to allow access to ACPI defined NVDIMM Root Device
_DSM Function Index 5(Translate SPA).  The rest of the _DSM functions,
which are mostly ARS related, are already public.

Basically move ndctl_bus_nfit_translate_spa declaration from private.h
to libndctl.h.

Changes from V1:
- Group function declaration in libndctl.h with other ndctl_bus_* functions.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Verma, Vishal L <vishal.l.verma@intel.com>
---
 ndctl/lib/libndctl.sym | 4 ++++
 ndctl/lib/nfit.c       | 2 +-
 ndctl/lib/private.h    | 2 --
 ndctl/libndctl.h       | 2 ++
 4 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/ndctl/lib/libndctl.sym b/ndctl/lib/libndctl.sym
index 0a82616..58afb74 100644
--- a/ndctl/lib/libndctl.sym
+++ b/ndctl/lib/libndctl.sym
@@ -451,3 +451,7 @@ LIBNDCTL_25 {
 	ndctl_bus_clear_fw_activate_nosuspend;
 	ndctl_bus_activate_firmware;
 } LIBNDCTL_24;
+
+LIBNDCTL_26 {
+	ndctl_bus_nfit_translate_spa;
+} LIBNDCTL_25;
diff --git a/ndctl/lib/nfit.c b/ndctl/lib/nfit.c
index 6f68fcf..d85682f 100644
--- a/ndctl/lib/nfit.c
+++ b/ndctl/lib/nfit.c
@@ -114,7 +114,7 @@ static int is_valid_spa(struct ndctl_bus *bus, unsigned long long spa)
  *
  * If success, returns zero, store dimm's @handle, and @dpa.
  */
-int ndctl_bus_nfit_translate_spa(struct ndctl_bus *bus,
+NDCTL_EXPORT int ndctl_bus_nfit_translate_spa(struct ndctl_bus *bus,
 	unsigned long long address, unsigned int *handle, unsigned long long *dpa)
 {
 
diff --git a/ndctl/lib/private.h b/ndctl/lib/private.h
index ede1300..8f4510e 100644
--- a/ndctl/lib/private.h
+++ b/ndctl/lib/private.h
@@ -370,8 +370,6 @@ static inline int check_kmod(struct kmod_ctx *kmod_ctx)
 	return kmod_ctx ? 0 : -ENXIO;
 }
 
-int ndctl_bus_nfit_translate_spa(struct ndctl_bus *bus, unsigned long long addr,
-		unsigned int *handle, unsigned long long *dpa);
 struct ndctl_cmd *ndctl_bus_cmd_new_err_inj(struct ndctl_bus *bus);
 struct ndctl_cmd *ndctl_bus_cmd_new_err_inj_clr(struct ndctl_bus *bus);
 struct ndctl_cmd *ndctl_bus_cmd_new_err_inj_stat(struct ndctl_bus *bus,
diff --git a/ndctl/libndctl.h b/ndctl/libndctl.h
index 60e1288..87d07b7 100644
--- a/ndctl/libndctl.h
+++ b/ndctl/libndctl.h
@@ -152,6 +152,8 @@ int ndctl_bus_clear_fw_activate_noidle(struct ndctl_bus *bus);
 int ndctl_bus_set_fw_activate_nosuspend(struct ndctl_bus *bus);
 int ndctl_bus_clear_fw_activate_nosuspend(struct ndctl_bus *bus);
 int ndctl_bus_activate_firmware(struct ndctl_bus *bus, enum ndctl_fwa_method method);
+int ndctl_bus_nfit_translate_spa(struct ndctl_bus *bus, unsigned long long addr,
+		unsigned int *handle, unsigned long long *dpa);
 
 struct ndctl_dimm;
 struct ndctl_dimm *ndctl_dimm_get_first(struct ndctl_bus *bus);
-- 
2.30.0
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