[dpdk-dev] [PATCH v3 08/14] vhost: remove useless vDPA API

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

vDPA is no more used outside of the vDPA internals,
so remove rte_vdpa_get_device() API that is now useless.

Acked-by: Adrián Moreno <amorenoz@redhat.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 lib/librte_vhost/rte_vdpa.h            | 30 -----------------
 lib/librte_vhost/rte_vhost_version.map |  1 -
 lib/librte_vhost/vdpa.c                | 46 ++++++--------------------
 3 files changed, 10 insertions(+), 67 deletions(-)

diff --git a/lib/librte_vhost/rte_vdpa.h b/lib/librte_vhost/rte_vdpa.h
index 549b0a2cb0..da8ee33ab1 100644
--- a/lib/librte_vhost/rte_vdpa.h
+++ b/lib/librte_vhost/rte_vdpa.h
@@ -174,36 +174,6 @@ __rte_experimental
 struct rte_device *
 rte_vdpa_get_rte_device(struct rte_vdpa_device *vdpa_dev);
 
-/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
- * Find the device id of a vdpa device
- *
- * @param addr
- *  the vdpa device address
- * @return
- *  device id on success, -1 on failure
- */
-__rte_experimental
-int
-rte_vdpa_find_device_id(struct rte_vdpa_device *dev);
-
-/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
- * Find a vdpa device based on device id
- *
- * @param did
- *  device id
- * @return
- *  rte_vdpa_device on success, NULL on failure
- */
-__rte_experimental
-struct rte_vdpa_device *
-rte_vdpa_get_device(int did);
-
 /**
  * @warning
  * @b EXPERIMENTAL: this API may change without prior notice
diff --git a/lib/librte_vhost/rte_vhost_version.map b/lib/librte_vhost/rte_vhost_version.map
index ba55f6f421..d9124d0462 100644
--- a/lib/librte_vhost/rte_vhost_version.map
+++ b/lib/librte_vhost/rte_vhost_version.map
@@ -36,7 +36,6 @@ EXPERIMENTAL {
 	rte_vdpa_register_device;
 	rte_vdpa_unregister_device;
 	rte_vdpa_find_device_id;
-	rte_vdpa_get_device;
 	rte_vdpa_get_device_num;
 	rte_vdpa_get_stats_names;
 	rte_vdpa_get_stats;
diff --git a/lib/librte_vhost/vdpa.c b/lib/librte_vhost/vdpa.c
index cececc3098..bed20a3103 100644
--- a/lib/librte_vhost/vdpa.c
+++ b/lib/librte_vhost/vdpa.c
@@ -19,27 +19,6 @@ static struct rte_vdpa_device vdpa_devices[MAX_VHOST_DEVICE];
 static uint32_t vdpa_device_num;
 
 
-int
-rte_vdpa_find_device_id(struct rte_vdpa_device *dev)
-{
-	struct rte_vdpa_device *tmp_dev;
-	int i;
-
-	if (dev == NULL)
-		return -1;
-
-	for (i = 0; i < MAX_VHOST_DEVICE; ++i) {
-		tmp_dev = &vdpa_devices[i];
-		if (tmp_dev->ops == NULL)
-			continue;
-
-		if (tmp_dev == dev)
-			return i;
-	}
-
-	return -1;
-}
-
 struct rte_vdpa_device *
 rte_vdpa_find_device_by_name(const char *name)
 {
@@ -70,15 +49,6 @@ rte_vdpa_get_rte_device(struct rte_vdpa_device *vdpa_dev)
 	return vdpa_dev->device;
 }
 
-struct rte_vdpa_device *
-rte_vdpa_get_device(int did)
-{
-	if (did < 0 || did >= MAX_VHOST_DEVICE)
-		return NULL;
-
-	return &vdpa_devices[did];
-}
-
 struct rte_vdpa_device *
 rte_vdpa_register_device(struct rte_device *rte_dev,
 		struct rte_vdpa_dev_ops *ops)
@@ -117,15 +87,19 @@ rte_vdpa_register_device(struct rte_device *rte_dev,
 int
 rte_vdpa_unregister_device(struct rte_vdpa_device *vdev)
 {
-	int did = rte_vdpa_find_device_id(vdev);
+	int i;
 
-	if (did < 0 || vdpa_devices[did].ops == NULL)
-		return -1;
+	for (i = 0; i < MAX_VHOST_DEVICE; i++) {
+		if (vdev != &vdpa_devices[i])
+			continue;
 
-	memset(&vdpa_devices[did], 0, sizeof(struct rte_vdpa_device));
-	vdpa_device_num--;
+		memset(vdev, 0, sizeof(struct rte_vdpa_device));
+		vdpa_device_num--;
 
-	return 0;
+		return 0;
+	}
+
+	return -1;
 }
 
 int
-- 
2.26.2