staging: fsl-mc: Move DPBP out of staging

Move the source files out of staging into their final locations:
- dpbp.c goes to drivers/bus/fsl-mc/, next to the core infrastructure
- dpbp-cmd.h gets merged into drivers/bus/fsl-mc/fsl-mc-private.h, next
  to the other internally used APIs
- dpbp.h gets merged into include/linux/fsl/mc.h, exposing the public
  API

Update references in the dpaa2-eth staging driver.

DPBP stands for Data Path Buffer Pool - you can read more about the
object in Documentation/networking/dpaa2/overview.rst

Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index 765ba41f5987..66118e1fb5b9 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -451,4 +451,46 @@ static inline bool is_fsl_mc_bus_dprtc(const struct fsl_mc_device *mc_dev)
         return mc_dev->dev.type == &fsl_mc_bus_dprtc_type;
 }
 
+/*
+ * Data Path Buffer Pool (DPBP) API
+ * Contains initialization APIs and runtime control APIs for DPBP
+ */
+
+int dpbp_open(struct fsl_mc_io *mc_io,
+              u32 cmd_flags,
+              int dpbp_id,
+              u16 *token);
+
+int dpbp_close(struct fsl_mc_io *mc_io,
+               u32 cmd_flags,
+               u16 token);
+
+int dpbp_enable(struct fsl_mc_io *mc_io,
+                u32 cmd_flags,
+                u16 token);
+
+int dpbp_disable(struct fsl_mc_io *mc_io,
+                 u32 cmd_flags,
+                 u16 token);
+
+int dpbp_reset(struct fsl_mc_io *mc_io,
+               u32 cmd_flags,
+               u16 token);
+
+/**
+ * struct dpbp_attr - Structure representing DPBP attributes
+ * @id:         DPBP object ID
+ * @bpid:       Hardware buffer pool ID; should be used as an argument in
+ *              acquire/release operations on buffers
+ */
+struct dpbp_attr {
+        int id;
+        u16 bpid;
+};
+
+int dpbp_get_attributes(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        struct dpbp_attr *attr);
+
 #endif /* _FSL_MC_H_ */