[dpdk-dev] [PATCH v3] vhost: mark vDPA driver API as internal

[Maxime Coquelin <maxime.coquelin@redhat.com>]

This patch marks the vDPA driver APIs as internal and
rename the corresponding header file to vdpa_driver.h.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---
Changes in v3:
==============
- Update deprecation notice and release note

Changes in v2:
=============
- Alphabetical ordering in version.map (David)
- Rename header to vdpa_driver.h (David)
- Add Techboard in Cc to vote for API breakage exception

 doc/guides/rel_notes/deprecation.rst        |  4 ----
 doc/guides/rel_notes/release_21_11.rst      |  4 ++++
 drivers/vdpa/ifc/ifcvf_vdpa.c               |  2 +-
 drivers/vdpa/mlx5/mlx5_vdpa.h               |  2 +-
 lib/vhost/meson.build                       |  4 +++-
 lib/vhost/vdpa.c                            |  2 +-
 lib/vhost/{rte_vdpa_dev.h => vdpa_driver.h} | 12 +++++++++---
 lib/vhost/version.map                       | 13 +++++++++----
 lib/vhost/vhost.h                           |  2 +-
 9 files changed, 29 insertions(+), 16 deletions(-)
 rename lib/vhost/{rte_vdpa_dev.h => vdpa_driver.h} (95%)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 4366015b01..ce1b727e77 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -107,10 +107,6 @@ Deprecation Notices
   is deprecated as ambiguous with respect to the embedded switch. The use of
   these attributes will become invalid starting from DPDK 22.11.
 
-* vhost: ``rte_vdpa_register_device``, ``rte_vdpa_unregister_device``,
-  ``rte_vhost_host_notifier_ctrl`` and ``rte_vdpa_relay_vring_used`` vDPA
-  driver interface will be marked as internal in DPDK v21.11.
-
 * vhost: rename ``struct vhost_device_ops`` to ``struct rte_vhost_device_ops``
   in DPDK v21.11.
 
diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst
index 98d50a160b..7c2c976d47 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -475,6 +475,10 @@ API Changes
 * eventdev: Moved memory used by timer adapters to hugepage. This will prevent
   TLB misses if any and aligns to memory structure of other subsystems.
 
+* vhost: ``rte_vdpa_register_device``, ``rte_vdpa_unregister_device``,
+  ``rte_vhost_host_notifier_ctrl`` and ``rte_vdpa_relay_vring_used`` vDPA
+  driver interface are marked as internal.
+
 
 ABI Changes
 -----------
diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
index dd5251d382..3853c4cf7e 100644
--- a/drivers/vdpa/ifc/ifcvf_vdpa.c
+++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
@@ -17,7 +17,7 @@
 #include <rte_bus_pci.h>
 #include <rte_vhost.h>
 #include <rte_vdpa.h>
-#include <rte_vdpa_dev.h>
+#include <vdpa_driver.h>
 #include <rte_vfio.h>
 #include <rte_spinlock.h>
 #include <rte_log.h>
diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.h b/drivers/vdpa/mlx5/mlx5_vdpa.h
index cf4f384fa4..a6c9404cb0 100644
--- a/drivers/vdpa/mlx5/mlx5_vdpa.h
+++ b/drivers/vdpa/mlx5/mlx5_vdpa.h
@@ -12,7 +12,7 @@
 #pragma GCC diagnostic ignored "-Wpedantic"
 #endif
 #include <rte_vdpa.h>
-#include <rte_vdpa_dev.h>
+#include <vdpa_driver.h>
 #include <rte_vhost.h>
 #ifdef PEDANTIC
 #pragma GCC diagnostic error "-Wpedantic"
diff --git a/lib/vhost/meson.build b/lib/vhost/meson.build
index 2d8fe0239f..cdb37a4814 100644
--- a/lib/vhost/meson.build
+++ b/lib/vhost/meson.build
@@ -29,9 +29,11 @@ sources = files(
 )
 headers = files(
         'rte_vdpa.h',
-        'rte_vdpa_dev.h',
         'rte_vhost.h',
         'rte_vhost_async.h',
         'rte_vhost_crypto.h',
 )
+driver_sdk_headers = files(
+        'vdpa_driver.h',
+)
 deps += ['ethdev', 'cryptodev', 'hash', 'pci']
diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c
index 6dd91859ac..09ad5d866e 100644
--- a/lib/vhost/vdpa.c
+++ b/lib/vhost/vdpa.c
@@ -17,7 +17,7 @@
 #include <rte_tailq.h>
 
 #include "rte_vdpa.h"
-#include "rte_vdpa_dev.h"
+#include "vdpa_driver.h"
 #include "vhost.h"
 
 /** Double linked list of vDPA devices. */
diff --git a/lib/vhost/rte_vdpa_dev.h b/lib/vhost/vdpa_driver.h
similarity index 95%
rename from lib/vhost/rte_vdpa_dev.h
rename to lib/vhost/vdpa_driver.h
index b0f494815f..fc2d6acedd 100644
--- a/lib/vhost/rte_vdpa_dev.h
+++ b/lib/vhost/vdpa_driver.h
@@ -2,11 +2,13 @@
  * Copyright(c) 2018 Intel Corporation
  */
 
-#ifndef _RTE_VDPA_H_DEV_
-#define _RTE_VDPA_H_DEV_
+#ifndef _VDPA_DRIVER_H_
+#define _VDPA_DRIVER_H_
 
 #include <stdbool.h>
 
+#include <rte_compat.h>
+
 #include "rte_vhost.h"
 #include "rte_vdpa.h"
 
@@ -88,6 +90,7 @@ struct rte_vdpa_device {
  * @return
  *  vDPA device pointer on success, NULL on failure
  */
+__rte_internal
 struct rte_vdpa_device *
 rte_vdpa_register_device(struct rte_device *rte_dev,
 		struct rte_vdpa_dev_ops *ops);
@@ -100,6 +103,7 @@ rte_vdpa_register_device(struct rte_device *rte_dev,
  * @return
  *  device id on success, -1 on failure
  */
+__rte_internal
 int
 rte_vdpa_unregister_device(struct rte_vdpa_device *dev);
 
@@ -115,6 +119,7 @@ rte_vdpa_unregister_device(struct rte_vdpa_device *dev);
  * @return
  *  0 on success, -1 on failure
  */
+__rte_internal
 int
 rte_vhost_host_notifier_ctrl(int vid, uint16_t qid, bool enable);
 
@@ -132,7 +137,8 @@ rte_vhost_host_notifier_ctrl(int vid, uint16_t qid, bool enable);
  * @return
  *  number of synced used entries on success, -1 on failure
  */
+__rte_internal
 int
 rte_vdpa_relay_vring_used(int vid, uint16_t qid, void *vring_m);
 
-#endif /* _RTE_VDPA_DEV_H_ */
+#endif /* _VDPA_DRIVER_H_ */
diff --git a/lib/vhost/version.map b/lib/vhost/version.map
index c8599ddb97..a7ef7f1976 100644
--- a/lib/vhost/version.map
+++ b/lib/vhost/version.map
@@ -8,10 +8,7 @@ DPDK_22 {
 	rte_vdpa_get_rte_device;
 	rte_vdpa_get_stats;
 	rte_vdpa_get_stats_names;
-	rte_vdpa_register_device;
-	rte_vdpa_relay_vring_used;
 	rte_vdpa_reset_stats;
-	rte_vdpa_unregister_device;
 	rte_vhost_avail_entries;
 	rte_vhost_clr_inflight_desc_packed;
 	rte_vhost_clr_inflight_desc_split;
@@ -52,7 +49,6 @@ DPDK_22 {
 	rte_vhost_get_vring_base_from_inflight;
 	rte_vhost_get_vring_num;
 	rte_vhost_gpa_to_vva;
-	rte_vhost_host_notifier_ctrl;
 	rte_vhost_log_used_vring;
 	rte_vhost_log_write;
 	rte_vhost_rx_queue_count;
@@ -89,3 +85,12 @@ EXPERIMENTAL {
 	# added in 21.11
 	rte_vhost_get_monitor_addr;
 };
+
+INTERNAL {
+	global;
+
+	rte_vdpa_register_device;
+	rte_vdpa_relay_vring_used;
+	rte_vdpa_unregister_device;
+	rte_vhost_host_notifier_ctrl;
+};
diff --git a/lib/vhost/vhost.h b/lib/vhost/vhost.h
index 05ccc35f37..c07219296d 100644
--- a/lib/vhost/vhost.h
+++ b/lib/vhost/vhost.h
@@ -22,7 +22,7 @@
 
 #include "rte_vhost.h"
 #include "rte_vdpa.h"
-#include "rte_vdpa_dev.h"
+#include "vdpa_driver.h"
 
 #include "rte_vhost_async.h"
 
-- 
2.31.1