> -----Original Message----- > From: Ma, WenwuX <[email protected]> > Sent: Tuesday, September 7, 2021 4:49 AM > To: [email protected] > Cc: [email protected]; Xia, Chenbo <[email protected]>; Jiang, > Cheng1 <[email protected]>; Hu, Jiayu <[email protected]>; Pai G, Sunil > <[email protected]>; Yang, YvonneX <[email protected]>; Ma, WenwuX > <[email protected]> > Subject: [PATCH 3/4] examples/vhost: use a new API to query remaining ring > space > > A new API for querying the remaining descriptor ring capacity > is available, so we use the new one instead of the old one. > > Signed-off-by: Wenwu Ma <[email protected]> > Reviewed-by: Maxime Coquelin <[email protected]> > --- > examples/vhost/ioat.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/examples/vhost/ioat.c b/examples/vhost/ioat.c > index 457f8171f0..6adc30b622 100644 > --- a/examples/vhost/ioat.c > +++ b/examples/vhost/ioat.c > @@ -17,7 +17,6 @@ struct packet_tracker { > unsigned short next_read; > unsigned short next_write; > unsigned short last_remain; > - unsigned short ioat_space; > }; > > struct packet_tracker cb_tracker[MAX_VHOST_DEVICE]; > @@ -113,7 +112,6 @@ open_ioat(const char *value) > goto out; > } > rte_rawdev_start(dev_id); > - cb_tracker[dev_id].ioat_space = IOAT_RING_SIZE - 1; > dma_info->nr++; > i++; > } > @@ -140,7 +138,7 @@ ioat_transfer_data_cb(int vid, uint16_t queue_id, > src = descs[i_desc].src; > dst = descs[i_desc].dst; > i_seg = 0; > - if (cb_tracker[dev_id].ioat_space < src->nr_segs) > + if (rte_ioat_burst_capacity(dev_id) < src->nr_segs) > break; > while (i_seg < src->nr_segs) { > rte_ioat_enqueue_copy(dev_id, > @@ -155,7 +153,6 @@ ioat_transfer_data_cb(int vid, uint16_t queue_id, > } > write &= mask; > cb_tracker[dev_id].size_track[write] = src->nr_segs; > - cb_tracker[dev_id].ioat_space -= src->nr_segs; > write++; > } > } else { > @@ -194,7 +191,6 @@ ioat_check_completed_copies_cb(int vid, uint16_t queue_id, > if (n_seg == 0) > return 0; > > - cb_tracker[dev_id].ioat_space += n_seg; > n_seg += cb_tracker[dev_id].last_remain; > > read = cb_tracker[dev_id].next_read; > -- > 2.25.1
Reviewed-by: Chenbo Xia <[email protected]>
