From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: "Pei, Andy" <andy.pei@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Xu, Rosen" <rosen.xu@intel.com>,
"Huang, Wei" <wei.huang@intel.com>,
"Cao, Gang" <gang.cao@intel.com>,
"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
Huang Wei <wei_huang@intel.com>
Subject: RE: [PATCH v2 4/8] vdpa/ifc: write queue count to MQ register
Date: Fri, 9 Sep 2022 07:35:00 +0000 [thread overview]
Message-ID: <DM6PR11MB3499CC371E3CE60CAA9EB12E9C439@DM6PR11MB3499.namprd11.prod.outlook.com> (raw)
In-Reply-To: <1662616458-164613-5-git-send-email-andy.pei@intel.com>
> -----Original Message-----
> From: Pei, Andy <andy.pei@intel.com>
> Sent: Thursday, September 8, 2022 1:54 PM
> To: dev@dpdk.org
> Cc: Xia, Chenbo <chenbo.xia@intel.com>; Xu, Rosen <rosen.xu@intel.com>;
> Huang, Wei <wei.huang@intel.com>; Cao, Gang <gang.cao@intel.com>;
> maxime.coquelin@redhat.com; Huang Wei <wei_huang@intel.com>
> Subject: [PATCH v2 4/8] vdpa/ifc: write queue count to MQ register
>
> Write queue count to IFCVF_MQ_OFFSET register
> to enable multi queue feature.
>
> Signed-off-by: Andy Pei <andy.pei@intel.com>
> Signed-off-by: Huang Wei <wei_huang@intel.com>
> ---
> drivers/vdpa/ifc/base/ifcvf.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/drivers/vdpa/ifc/base/ifcvf.c b/drivers/vdpa/ifc/base/ifcvf.c
> index 34c8226..0444d74 100644
> --- a/drivers/vdpa/ifc/base/ifcvf.c
> +++ b/drivers/vdpa/ifc/base/ifcvf.c
> @@ -198,6 +198,38 @@
> IFCVF_WRITE_REG32(val >> 32, hi);
> }
>
> +STATIC void
> +ifcvf_enable_multiqueue(struct ifcvf_hw *hw)
> +{
> + u8 *mq_cfg;
> + int qid;
> + int nr_queue_pair = 0;
> +
> + if (hw->device_type == IFCVF_NET) {
> + for (qid = 0; qid < hw->nr_vring; qid++) {
> + if (!hw->vring[qid].enable)
> + continue;
> + nr_queue_pair++;
> + }
> +
> + if (nr_queue_pair == 0) {
> + WARNINGOUT("no enabled vring\n");
> + return;
> + }
> +
> + nr_queue_pair = (nr_queue_pair + 1) / 2;
> + } else if (hw->device_type == IFCVF_BLK) {
> + nr_queue_pair = hw->nr_vring;
> + }
Why above logic will be different for NET/BLK, could you
help me understand it?
Thanks,
Chenbo
> +
> + mq_cfg = hw->mq_cfg;
> + if (mq_cfg) {
> + *(u32 *)mq_cfg = nr_queue_pair;
> + RTE_LOG(INFO, PMD, "%d queue pairs are enabled\n",
> + nr_queue_pair);
> + }
> +}
> +
> STATIC int
> ifcvf_hw_enable(struct ifcvf_hw *hw)
> {
> @@ -215,6 +247,7 @@
> return -1;
> }
>
> + ifcvf_enable_multiqueue(hw);
> for (i = 0; i < hw->nr_vring; i++) {
> IFCVF_WRITE_REG16(i, &cfg->queue_select);
> io_write64_twopart(hw->vring[i].desc, &cfg->queue_desc_lo,
> --
> 1.8.3.1
next prev parent reply other threads:[~2022-09-09 7:35 UTC|newest]
Thread overview: 181+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-23 4:34 [PATCH 0/8] add multi queue support to vDPA ifc driver Andy Pei
2022-08-23 4:34 ` [PATCH 1/8] vdpa/ifc: add new device ID Andy Pei
2022-09-08 5:54 ` [PATCH v2 0/8] vdpa/ifc: add multi queue support Andy Pei
2022-09-08 5:54 ` [PATCH v2 1/8] vdpa/ifc: add new device ID Andy Pei
2022-09-09 0:29 ` Xia, Chenbo
2022-09-09 7:44 ` Pei, Andy
2022-09-08 5:54 ` [PATCH v2 2/8] vdpa/ifc: add multi queue support Andy Pei
2022-09-09 0:29 ` Xia, Chenbo
2022-09-09 7:55 ` Pei, Andy
2022-09-08 5:54 ` [PATCH v2 3/8] vdpa/ifc: set max queues according to HW spec Andy Pei
2022-09-09 5:56 ` Xia, Chenbo
2022-09-14 3:59 ` Pei, Andy
2022-09-08 5:54 ` [PATCH v2 4/8] vdpa/ifc: write queue count to MQ register Andy Pei
2022-09-09 7:35 ` Xia, Chenbo [this message]
2022-09-09 8:31 ` Pei, Andy
2022-09-08 5:54 ` [PATCH v2 5/8] vdpa/ifc: only configure enabled queue Andy Pei
2022-09-14 1:59 ` Xia, Chenbo
2022-09-14 2:57 ` Huang, Wei
2022-09-08 5:54 ` [PATCH v2 6/8] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-09-14 2:23 ` Xia, Chenbo
2022-09-14 3:04 ` Huang, Wei
2022-09-14 3:14 ` Xia, Chenbo
2022-09-14 5:29 ` Pei, Andy
2022-09-08 5:54 ` [PATCH v2 7/8] vhost: configure device when any queue is ready for BLK device Andy Pei
2022-09-14 2:50 ` Xia, Chenbo
2022-09-14 7:01 ` Pei, Andy
2022-09-08 5:54 ` [PATCH v2 8/8] vhost: vDPA BLK devices configure device when all queue callfds are set Andy Pei
2022-09-16 6:16 ` [PATCH v3 0/8] vdpa/ifc: add multi queue support Andy Pei
2022-09-16 6:16 ` [PATCH v3 1/8] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-11 16:49 ` Maxime Coquelin
2022-10-12 6:33 ` Pei, Andy
2022-10-12 2:59 ` Xia, Chenbo
2022-10-12 6:34 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 2/8] vdpa/ifc: add multi-queue support Andy Pei
2022-10-12 3:01 ` Xia, Chenbo
2022-10-12 7:25 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 3/8] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-12 6:08 ` Xia, Chenbo
2022-10-12 7:22 ` Pei, Andy
2022-10-12 7:22 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 4/8] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-12 8:08 ` Xia, Chenbo
2022-10-12 8:14 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 5/8] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-12 8:12 ` Xia, Chenbo
2022-10-12 8:37 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 6/8] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-12 8:19 ` Xia, Chenbo
2022-10-12 11:00 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 7/8] vhost: vDPA blk device gets ready when any queue is ready Andy Pei
2022-10-12 9:09 ` Xia, Chenbo
2022-10-12 12:13 ` Pei, Andy
2022-10-13 1:00 ` Xia, Chenbo
2022-10-13 3:05 ` Pei, Andy
2022-10-13 7:16 ` Maxime Coquelin
2022-10-13 9:00 ` Pei, Andy
2022-09-16 6:16 ` [PATCH v3 8/8] vhost: improve vDPA blk device readiness condition Andy Pei
2022-10-12 9:35 ` Xia, Chenbo
2022-10-13 7:55 ` Pei, Andy
2022-10-13 8:23 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 0/8] vdpa/ifc: add multi queue support Andy Pei
2022-10-13 8:44 ` [PATCH v4 1/8] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-13 8:44 ` [PATCH v4 2/8] vdpa/ifc: add multi-queue support Andy Pei
2022-10-17 6:21 ` Xia, Chenbo
2022-10-17 6:28 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 3/8] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-17 6:22 ` Xia, Chenbo
2022-10-17 6:29 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 4/8] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-17 6:23 ` Xia, Chenbo
2022-10-17 6:36 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 5/8] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-17 6:24 ` Xia, Chenbo
2022-10-17 6:38 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 6/8] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-17 6:26 ` Xia, Chenbo
2022-10-17 6:41 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 7/8] vhost: vDPA blk device gets ready when any queue is ready Andy Pei
2022-10-17 6:34 ` Xia, Chenbo
2022-10-17 6:43 ` Pei, Andy
2022-10-13 8:44 ` [PATCH v4 8/8] vhost: improve vDPA blk device configure condition Andy Pei
2022-10-17 6:35 ` Xia, Chenbo
2022-10-17 7:12 ` Pei, Andy
2022-10-17 7:13 ` [PATCH v5 0/8] vdpa/ifc: add multi queue support Andy Pei
2022-10-17 7:13 ` [PATCH v5 1/8] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-17 7:13 ` [PATCH v5 2/8] vdpa/ifc: add multi-queue support Andy Pei
2022-10-17 7:13 ` [PATCH v5 3/8] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-17 7:13 ` [PATCH v5 4/8] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-17 7:13 ` [PATCH v5 5/8] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-17 7:13 ` [PATCH v5 6/8] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-17 7:13 ` [PATCH v5 7/8] vhost: vDPA blk device gets ready when the first queue is ready Andy Pei
2022-10-17 7:54 ` Xia, Chenbo
2022-10-17 8:36 ` Maxime Coquelin
2022-10-17 8:42 ` Xia, Chenbo
2022-10-17 8:46 ` Maxime Coquelin
2022-10-17 7:13 ` [PATCH v5 8/8] vhost: improve vDPA blk device configure condition Andy Pei
2022-10-17 11:41 ` [PATCH v6 0/8] vdpa/ifc: add multi queue support Andy Pei
2022-10-17 11:41 ` [PATCH v6 1/8] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-17 11:41 ` [PATCH v6 2/8] vdpa/ifc: add multi-queue support Andy Pei
2022-10-17 11:41 ` [PATCH v6 3/8] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-17 11:41 ` [PATCH v6 4/8] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-17 11:41 ` [PATCH v6 5/8] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-17 11:41 ` [PATCH v6 6/8] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-17 11:41 ` [PATCH v6 7/8] vhost: vDPA blk device gets ready when the first queue is ready Andy Pei
2022-10-17 11:41 ` [PATCH v6 8/8] vhost: improve vDPA blk device configure condition Andy Pei
2022-10-18 6:19 ` [PATCH v7 00/12] vdpa/ifc: add multi queue support Andy Pei
2022-10-18 6:19 ` [PATCH v7 01/12] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-18 6:19 ` [PATCH v7 02/12] vdpa/ifc: add multi-queue support Andy Pei
2022-10-18 6:19 ` [PATCH v7 03/12] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-18 6:19 ` [PATCH v7 04/12] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-18 6:19 ` [PATCH v7 05/12] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-18 6:19 ` [PATCH v7 06/12] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-18 6:19 ` [PATCH v7 07/12] vdpa/ifc: change internal function name Andy Pei
2022-10-18 6:19 ` [PATCH v7 08/12] vdpa/ifc: add internal API to get device Andy Pei
2022-10-18 6:19 ` [PATCH v7 09/12] vdpa/ifc: change some driver logic Andy Pei
2022-10-18 6:19 ` [PATCH v7 10/12] vhost: add vdpa device type to rte vdpa device Andy Pei
2022-10-18 7:14 ` Maxime Coquelin
2022-10-18 12:14 ` Pei, Andy
2022-10-19 9:14 ` Xia, Chenbo
2022-10-19 9:19 ` Pei, Andy
2022-10-18 6:19 ` [PATCH v7 11/12] vhost: vDPA blk device gets ready when the first queue is ready Andy Pei
2022-10-18 6:19 ` [PATCH v7 12/12] vhost: improve vDPA blk device configure condition Andy Pei
2022-10-18 12:07 ` [PATCH v8 00/12] vdpa/ifc: add multi queue support Andy Pei
2022-10-18 12:07 ` [PATCH v8 01/12] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-18 12:07 ` [PATCH v8 02/12] vdpa/ifc: add multi-queue support Andy Pei
2022-10-18 12:07 ` [PATCH v8 03/12] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-18 12:07 ` [PATCH v8 04/12] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-18 12:07 ` [PATCH v8 05/12] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-18 12:07 ` [PATCH v8 06/12] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-18 12:07 ` [PATCH v8 07/12] vdpa/ifc: change internal function name Andy Pei
2022-10-18 13:44 ` Maxime Coquelin
2022-10-18 13:47 ` Pei, Andy
2022-10-19 6:59 ` Xia, Chenbo
2022-10-19 9:41 ` Pei, Andy
2022-10-18 12:07 ` [PATCH v8 08/12] vdpa/ifc: add internal API to get device Andy Pei
2022-10-18 13:48 ` Maxime Coquelin
2022-10-18 13:52 ` Pei, Andy
2022-10-19 7:03 ` Xia, Chenbo
2022-10-19 9:40 ` Pei, Andy
2022-10-18 12:07 ` [PATCH v8 09/12] vdpa/ifc: change some driver logic Andy Pei
2022-10-18 13:57 ` Maxime Coquelin
2022-10-18 14:01 ` Pei, Andy
2022-10-19 9:13 ` Xia, Chenbo
2022-10-19 9:21 ` Pei, Andy
2022-10-18 12:07 ` [PATCH v8 10/12] vhost: add type to rte vdpa device Andy Pei
2022-10-18 13:15 ` Maxime Coquelin
2022-10-18 13:42 ` Pei, Andy
2022-10-18 12:07 ` [PATCH v8 11/12] vhost: vDPA blk device gets ready when the first queue is ready Andy Pei
2022-10-18 14:09 ` Maxime Coquelin
2022-10-18 14:11 ` Pei, Andy
2022-10-19 9:14 ` Xia, Chenbo
2022-10-19 9:18 ` Pei, Andy
2022-10-18 12:07 ` [PATCH v8 12/12] vhost: improve vDPA blk device configure condition Andy Pei
2022-10-18 14:14 ` Maxime Coquelin
2022-10-18 14:16 ` Pei, Andy
2022-10-19 9:15 ` Xia, Chenbo
2022-10-19 9:19 ` Pei, Andy
2022-10-19 8:41 ` [PATCH v9 00/12] vdpa/ifc: add multi queue support Andy Pei
2022-10-19 8:41 ` [PATCH v9 01/12] vdpa/ifc: add new device ID for legacy network device Andy Pei
2022-10-19 8:41 ` [PATCH v9 02/12] vdpa/ifc: add multi-queue support Andy Pei
2022-10-19 8:41 ` [PATCH v9 03/12] vdpa/ifc: set max queues based on virtio spec Andy Pei
2022-10-19 8:41 ` [PATCH v9 04/12] vdpa/ifc: write queue count to MQ register Andy Pei
2022-10-19 8:41 ` [PATCH v9 05/12] vdpa/ifc: only configure enabled queue Andy Pei
2022-10-19 8:41 ` [PATCH v9 06/12] vdpa/ifc: support dynamic enable/disable queue Andy Pei
2022-10-19 8:41 ` [PATCH v9 07/12] vdpa/ifc: change internal function name Andy Pei
2022-10-19 8:41 ` [PATCH v9 08/12] vdpa/ifc: add internal API to get device Andy Pei
2022-10-19 8:41 ` [PATCH v9 09/12] vdpa/ifc: improve internal list logic Andy Pei
2022-10-20 3:21 ` Xia, Chenbo
2022-10-20 5:53 ` Pei, Andy
2022-10-19 8:41 ` [PATCH v9 10/12] vhost: add type to rte vdpa device Andy Pei
2022-10-19 8:41 ` [PATCH v9 11/12] vhost: vDPA blk device gets ready when the first queue is ready Andy Pei
2022-10-19 8:41 ` [PATCH v9 12/12] vhost: improve vDPA blk device configure condition Andy Pei
2022-10-26 9:00 ` [PATCH v9 00/12] vdpa/ifc: add multi queue support Xia, Chenbo
2022-10-26 9:26 ` Pei, Andy
2022-08-23 4:34 ` [PATCH 2/8] vdpa/ifc: add multi queue suppoort Andy Pei
2022-08-23 4:35 ` [PATCH 3/8] vdpa/ifc: set max queues according to HW spec Andy Pei
2022-08-23 4:35 ` [PATCH 4/8] vdpa/ifc: write queue count to MQ register Andy Pei
2022-08-23 4:35 ` [PATCH 5/8] vdpa/ifc: only configure enabled queue Andy Pei
2022-08-23 4:35 ` [PATCH 6/8] vdpa/ifc: set vring state callback update data path Andy Pei
2022-08-23 4:35 ` [PATCH 7/8] vhost: configure device when any queue is ready for BLK device Andy Pei
2022-08-23 4:35 ` [PATCH 8/8] vhost: vDPA BLK devices configure device when all queue callfds are set Andy Pei
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=DM6PR11MB3499CC371E3CE60CAA9EB12E9C439@DM6PR11MB3499.namprd11.prod.outlook.com \
--to=chenbo.xia@intel.com \
--cc=andy.pei@intel.com \
--cc=dev@dpdk.org \
--cc=gang.cao@intel.com \
--cc=maxime.coquelin@redhat.com \
--cc=rosen.xu@intel.com \
--cc=wei.huang@intel.com \
--cc=wei_huang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).