raw/cnxk_bphy: support BPHY dequeue operation

Add support for dequeueing responses to previously
enqueued messages.

Signed-off-by: Jakub Palider <jpalider@marvell.com>
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/raw/cnxk_bphy/cnxk_bphy.c b/drivers/raw/cnxk_bphy/cnxk_bphy.c
index 2949bf0..7e541ba 100644 (file)
--- a/drivers/raw/cnxk_bphy/cnxk_bphy.c
+++ b/drivers/raw/cnxk_bphy/cnxk_bphy.c
@@ -54,6 +54,25 @@ cnxk_bphy_irq_enqueue_bufs(struct rte_rawdev *dev,
        return ret;
 }
 
+static int
+cnxk_bphy_irq_dequeue_bufs(struct rte_rawdev *dev,
+                          struct rte_rawdev_buf **buffers, unsigned int count,
+                          rte_rawdev_obj_t context)
+{
+       struct bphy_device *bphy_dev = (struct bphy_device *)dev->dev_private;
+       unsigned int queue = (size_t)context;
+
+       if (queue >= RTE_DIM(bphy_dev->queues))
+               return -EINVAL;
+
+       if (count == 0)
+               return 0;
+
+       buffers[0]->buf_addr = bphy_dev->queues[queue].rsp;
+
+       return 0;
+}
+
 static uint16_t
 cnxk_bphy_irq_queue_count(struct rte_rawdev *dev)
 {
@@ -81,6 +100,7 @@ cnxk_bphy_irq_queue_def_conf(struct rte_rawdev *dev, uint16_t queue_id,
 static const struct rte_rawdev_ops bphy_rawdev_ops = {
        .queue_def_conf = cnxk_bphy_irq_queue_def_conf,
        .enqueue_bufs = cnxk_bphy_irq_enqueue_bufs,
+       .dequeue_bufs = cnxk_bphy_irq_dequeue_bufs,
        .queue_count = cnxk_bphy_irq_queue_count,
 };