[PATCH v7 10/12] vhost: add vdpa device type to rte vdpa device

[Andy Pei]

Add vdpa_device_type to rte_vdpa_device to store device type.
Call vdpa ops get_dev_type to fill vdpa_device_type
when register vdpa device.

Signed-off-by: Andy Pei <andy....@intel.com>
---
 lib/vhost/socket.c      | 15 +--------------
 lib/vhost/vdpa.c        | 17 +++++++++++++++++
 lib/vhost/vdpa_driver.h |  2 ++
 3 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/lib/vhost/socket.c b/lib/vhost/socket.c
index 608ae57..f768114 100644
--- a/lib/vhost/socket.c
+++ b/lib/vhost/socket.c
@@ -627,7 +627,6 @@ struct rte_vdpa_device *
 {
        struct vhost_user_socket *vsocket;
        struct rte_vdpa_device *vdpa_dev;
-       uint32_t vdpa_type = 0;
        int ret = 0;
 
        pthread_mutex_lock(&vhost_user.mutex);
@@ -644,19 +643,7 @@ struct rte_vdpa_device *
                goto unlock_exit;
        }
 
-       if (vdpa_dev->ops->get_dev_type) {
-               ret = vdpa_dev->ops->get_dev_type(vdpa_dev, &vdpa_type);
-               if (ret) {
-                       VHOST_LOG_CONFIG(path, ERR,
-                               "failed to get vdpa dev type for socket 
file.\n");
-                       ret = -1;
-                       goto unlock_exit;
-               }
-       } else {
-               vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
-       }
-
-       *type = vdpa_type;
+       *type = vdpa_dev->vdpa_device_type;
 
 unlock_exit:
        pthread_mutex_unlock(&vhost_user.mutex);
diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c
index bb82857..b487f4d 100644
--- a/lib/vhost/vdpa.c
+++ b/lib/vhost/vdpa.c
@@ -73,6 +73,8 @@ struct rte_vdpa_device *
                struct rte_vdpa_dev_ops *ops)
 {
        struct rte_vdpa_device *dev;
+       uint32_t vdpa_type = -1;
+       int ret = 0;
 
        if (ops == NULL)
                return NULL;
@@ -101,6 +103,21 @@ struct rte_vdpa_device *
 
        dev->device = rte_dev;
        dev->ops = ops;
+
+       if (ops->get_dev_type) {
+               ret = ops->get_dev_type(dev, &vdpa_type);
+               if (ret) {
+                       VHOST_LOG_CONFIG(rte_dev->name, ERR,
+                                        "Failed to get vdpa dev type.\n");
+                       ret = -1;
+                       goto out_unlock;
+               }
+       } else {
+               /** by default, we assume vdpa device is a net device */
+               vdpa_type = RTE_VHOST_VDPA_DEVICE_TYPE_NET;
+       }
+       dev->vdpa_device_type = vdpa_type;
+
        TAILQ_INSERT_TAIL(&vdpa_device_list, dev, next);
 out_unlock:
        rte_spinlock_unlock(&vdpa_device_list_lock);
diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h
index 8b88a53..c4ec222 100644
--- a/lib/vhost/vdpa_driver.h
+++ b/lib/vhost/vdpa_driver.h
@@ -92,6 +92,8 @@ struct rte_vdpa_device {
        struct rte_device *device;
        /** vdpa device operations */
        struct rte_vdpa_dev_ops *ops;
+       /** vdpa device type: net, blk... */
+       uint32_t vdpa_device_type;
 };
 
 /**
-- 
1.8.3.1