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From: Wenwu Ma <wenwux.ma@intel.com>
To: dev@dpdk.org
Cc: maxime.coquelin@redhat.com, chenbo.xia@intel.com,
	cheng1.jiang@intel.com, jiayu.hu@intel.com,
	Wenwu Ma <wenwux.ma@intel.com>
Subject: [dpdk-dev] [PATCH v6 2/4] examples/vhost: use a new API to query remaining ring space
Date: Fri, 16 Jul 2021 19:18:06 +0000	[thread overview]
Message-ID: <20210716191808.19316-3-wenwux.ma@intel.com> (raw)
In-Reply-To: <20210716191808.19316-1-wenwux.ma@intel.com>

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 <wenwux.ma@intel.com>
---
 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 2a2c2d7202..bf4e033bdb 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


  parent reply	other threads:[~2021-07-16  7:25 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-02  8:31 [dpdk-dev] [PATCH 0/1] lib/vhost: support async dequeue for split ring Yuan Wang
2021-06-02  8:31 ` [dpdk-dev] [PATCH 1/1] " Yuan Wang
2021-06-07 16:17   ` Maxime Coquelin
2021-06-09  1:21     ` Hu, Jiayu
2021-06-18 20:03 ` [dpdk-dev] [PATCH v2 0/4] vhost: " Wenwu Ma
2021-06-18 14:10   ` Maxime Coquelin
2021-06-18 20:03   ` [dpdk-dev] [PATCH v2 1/4] examples/vhost: refactor vhost enqueue and dequeue datapaths Wenwu Ma
2021-06-18 20:03   ` [dpdk-dev] [PATCH v2 2/4] examples/vhost: use a new API to query remaining ring space Wenwu Ma
2021-06-18 20:03   ` [dpdk-dev] [PATCH v2 3/4] vhost: support async dequeue for split ring Wenwu Ma
2021-06-18 20:03   ` [dpdk-dev] [PATCH v2 4/4] examples/vhost: support vhost async dequeue data path Wenwu Ma
2021-06-23 15:00 ` [dpdk-dev] [PATCH v3 0/4] vhost: support async dequeue for split ring Wenwu Ma
2021-06-23 15:00   ` [dpdk-dev] [PATCH v3 1/4] examples/vhost: refactor vhost enqueue and dequeue datapaths Wenwu Ma
2021-06-23 15:00   ` [dpdk-dev] [PATCH v3 2/4] examples/vhost: use a new API to query remaining ring space Wenwu Ma
2021-06-23 15:00   ` [dpdk-dev] [PATCH v3 3/4] vhost: support async dequeue for split ring Wenwu Ma
2021-06-23 15:00   ` [dpdk-dev] [PATCH v3 4/4] examples/vhost: support vhost async dequeue data path Wenwu Ma
2021-06-30 19:27 ` [dpdk-dev] [PATCH v4 0/4] support async dequeue for split ring Wenwu Ma
2021-06-30 19:27   ` [dpdk-dev] [PATCH v4 1/4] examples/vhost: refactor vhost enqueue and dequeue datapaths Wenwu Ma
2021-06-30 19:27   ` [dpdk-dev] [PATCH v4 2/4] examples/vhost: use a new API to query remaining ring space Wenwu Ma
2021-06-30 19:27   ` [dpdk-dev] [PATCH v4 3/4] vhost: support async dequeue for split ring Wenwu Ma
2021-06-30 19:27   ` [dpdk-dev] [PATCH v4 4/4] examples/vhost: support vhost async dequeue data path Wenwu Ma
2021-07-05 18:11 ` [dpdk-dev] [PATCH v5 0/4] support async dequeue for split ring Wenwu Ma
2021-07-05 18:11   ` [dpdk-dev] [PATCH v5 1/4] examples/vhost: refactor vhost enqueue and dequeue datapaths Wenwu Ma
2021-07-13 13:34     ` Maxime Coquelin
2021-07-05 18:11   ` [dpdk-dev] [PATCH v5 2/4] examples/vhost: use a new API to query remaining ring space Wenwu Ma
2021-07-13 13:36     ` Maxime Coquelin
2021-07-05 18:11   ` [dpdk-dev] [PATCH v5 3/4] vhost: support async dequeue for split ring Wenwu Ma
2021-07-13 14:30     ` Maxime Coquelin
2021-07-14  6:50       ` Hu, Jiayu
2021-07-15 13:18         ` Maxime Coquelin
2021-07-16  1:10           ` Hu, Jiayu
2021-07-16  7:45             ` Maxime Coquelin
2021-07-16  7:55               ` Hu, Jiayu
2021-07-16  9:02                 ` Maxime Coquelin
2021-07-16  8:14         ` David Marchand
2021-07-16 13:45           ` Hu, Jiayu
2021-07-16 13:52             ` David Marchand
2021-07-16 14:00               ` Hu, Jiayu
2021-07-05 18:11   ` [dpdk-dev] [PATCH v5 4/4] examples/vhost: support vhost async dequeue data path Wenwu Ma
2021-07-13 17:01     ` Maxime Coquelin
2021-07-16 19:18 ` [dpdk-dev] [PATCH v6 0/4] support async dequeue for split ring Wenwu Ma
2021-07-16 19:18   ` [dpdk-dev] [PATCH v6 1/4] examples/vhost: refactor vhost enqueue and dequeue datapaths Wenwu Ma
2021-07-16 19:18   ` Wenwu Ma [this message]
2021-07-16 19:18   ` [dpdk-dev] [PATCH v6 3/4] vhost: support async dequeue for split ring Wenwu Ma
2021-07-16 19:18   ` [dpdk-dev] [PATCH v6 4/4] examples/vhost: support vhost async dequeue data path Wenwu Ma
2021-07-21 14:20 ` [dpdk-dev] [PATCH v7 0/4] support async dequeue for split ring Wenwu Ma
2021-07-21  2:31   ` Wang, Yinan
2021-07-21 14:20   ` [dpdk-dev] [PATCH v7 1/4] examples/vhost: refactor vhost enqueue and dequeue datapaths Wenwu Ma
2021-07-21 14:20   ` [dpdk-dev] [PATCH v7 2/4] examples/vhost: use a new API to query remaining ring space Wenwu Ma
2021-07-21 14:20   ` [dpdk-dev] [PATCH v7 3/4] vhost: support async dequeue for split ring Wenwu Ma
2021-07-21 14:20   ` [dpdk-dev] [PATCH v7 4/4] examples/vhost: support vhost async dequeue data path Wenwu Ma

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