raw/cnxk_bphy: support CGX dequeue operation

Add support for dequeueing responses to previously
enqueued messages.

Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Signed-off-by: Jakub Palider <jpalider@marvell.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Tomasz Duszynski 2021-06-21 17:04:30 +02:00 committed by Thomas Monjalon
parent df39890f0c
commit ee9978857f

View File

@ -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,
};