bus/vdev: fix hotplug twice

[dpdk.git] / lib / librte_rawdev / rte_rawdev_pmd.h

diff --git a/lib/librte_rawdev/rte_rawdev_pmd.h b/lib/librte_rawdev/rte_rawdev_pmd.h
index 6d6cf14..811e51d 100644 (file)
--- a/lib/librte_rawdev/rte_rawdev_pmd.h
+++ b/lib/librte_rawdev/rte_rawdev_pmd.h
@@ -73,8 +73,6 @@ struct rte_rawdev_global {
        uint16_t nb_devs;
 };
 
-extern struct rte_rawdev_global *rte_rawdev_globals;
-/** Pointer to global raw devices data structure. */
 extern struct rte_rawdev *rte_rawdevs;
 /** The pool of rte_rawdev structures. */
 
@@ -250,6 +248,24 @@ typedef int (*rawdev_queue_setup_t)(struct rte_rawdev *dev,
 typedef int (*rawdev_queue_release_t)(struct rte_rawdev *dev,
                                      uint16_t queue_id);
 
+/**
+ * Get the count of number of queues configured on this device.
+ *
+ * Another way to fetch this information is to fetch the device configuration.
+ * But, that assumes that the device configuration managed by the driver has
+ * that kind of information.
+ *
+ * This function helps in getting queue count supported, independently. It
+ * can help in cases where iterator needs to be implemented.
+ *
+ * @param
+ *   Raw device pointer
+ * @return
+ *   Number of queues; 0 is assumed to be a valid response.
+ *
+ */
+typedef uint16_t (*rawdev_queue_count_t)(struct rte_rawdev *dev);
+
 /**
  * Enqueue an array of raw buffers to the device.
  *
@@ -506,6 +522,8 @@ struct rte_rawdev_ops {
        rawdev_queue_setup_t queue_setup;
        /**< Release an raw queue. */
        rawdev_queue_release_t queue_release;
+       /**< Get the number of queues attached to the device */
+       rawdev_queue_count_t queue_count;
 
        /**< Enqueue an array of raw buffers to device. */
        rawdev_enqueue_bufs_t enqueue_bufs;