From ee9978857f708867945936a0aee48b497038945a Mon Sep 17 00:00:00 2001 From: Tomasz Duszynski Date: Mon, 21 Jun 2021 17:04:30 +0200 Subject: [PATCH] raw/cnxk_bphy: support CGX dequeue operation Add support for dequeueing responses to previously enqueued messages. Signed-off-by: Tomasz Duszynski Signed-off-by: Jakub Palider Reviewed-by: Jerin Jacob --- drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c b/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c index 6375144065..a8eafae1bb 100644 --- a/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c +++ b/drivers/raw/cnxk_bphy/cnxk_bphy_cgx.c @@ -157,6 +157,32 @@ cnxk_bphy_cgx_enqueue_bufs(struct rte_rawdev *dev, return 1; } +static int +cnxk_bphy_cgx_dequeue_bufs(struct rte_rawdev *dev, + struct rte_rawdev_buf **buffers, unsigned int count, + rte_rawdev_obj_t context) +{ + struct cnxk_bphy_cgx *cgx = dev->dev_private; + unsigned int queue = (size_t)context; + struct cnxk_bphy_cgx_queue *qp; + + if (queue >= cgx->num_queues) + return -EINVAL; + + if (count == 0) + return 0; + + qp = &cgx->queues[queue]; + if (qp->rsp) { + buffers[0]->buf_addr = qp->rsp; + qp->rsp = NULL; + + return 1; + } + + return 0; +} + static uint16_t cnxk_bphy_cgx_queue_count(struct rte_rawdev *dev) { @@ -168,6 +194,7 @@ cnxk_bphy_cgx_queue_count(struct rte_rawdev *dev) static const struct rte_rawdev_ops cnxk_bphy_cgx_rawdev_ops = { .queue_def_conf = cnxk_bphy_cgx_queue_def_conf, .enqueue_bufs = cnxk_bphy_cgx_enqueue_bufs, + .dequeue_bufs = cnxk_bphy_cgx_dequeue_bufs, .queue_count = cnxk_bphy_cgx_queue_count, }; -- 2.20.1