From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Yuanhan Liu <yuanhan.liu@linux.intel.com>,
Bruce Richardson <bruce.richardson@intel.com>
Cc: Thomas Monjalon <thomas.monjalon@6wind.com>,
dev@dpdk.org, Tetsuya Mukawa <mukawa@igel.co.jp>
Subject: Re: [dpdk-dev] [PATCH v2] vhost: add support for dynamic vhost PMD creation
Date: Mon, 23 May 2016 18:06:21 +0100 [thread overview]
Message-ID: <5743388D.5080108@intel.com> (raw)
In-Reply-To: <20160523132426.GK5641@yliu-dev.sh.intel.com>
On 5/23/2016 2:24 PM, Yuanhan Liu wrote:
> On Fri, May 20, 2016 at 11:37:47AM +0100, Bruce Richardson wrote:
>> On Thu, May 19, 2016 at 06:44:44PM +0200, Thomas Monjalon wrote:
>>> 2016-05-19 17:28, Ferruh Yigit:
>>>> On 5/19/2016 9:33 AM, Thomas Monjalon wrote:
>>>>> 2016-05-18 18:10, Ferruh Yigit:
>>>>>> Add rte_eth_from_vhost() API to create vhost PMD dynamically from
>>>>>> applications.
>>>>>
>>>>> How is it different from rte_eth_dev_attach() calling rte_eal_vdev_init()?
>>>>>
>>>>
>>>> When used rte_eth_dev_attach(), application also needs to do:
>>>> rte_eth_dev_configure()
>>>> rte_eth_rx_queue_setup()
>>>> rte_eth_tx_queue_setup()
>>>> rte_eth_dev_start()
>>>>
>>>> rte_eth_from_vhost() does these internally, easier to use for applications.
>>>
>>> This argument is not sufficient.
>>> We are not going to add new APIs just for wrapping others.
>>
>> Why not - if there is a sufficient increase in developer usability by doing so?
>> Having one API that saves an app from having to call 5 other APIs looks like
>> something that should always be given fair consideration.
>
> Good point. Judging that vhost is not the only virtual device we
> support, and it may also look reasonable to add something similar
> for others in future (say, IIRC, you proposed two more internally
> that also introduced similar APIs). So, instead of introducing a
> new API for each such vdev, may we introduce a common one? Say,
> a refined rte_eth_dev_attach(), including dev_configure(),
> queue_setup(), etc.
>
This sounds good to me. If there is not objection, I will send a patch
and we can discuss based on patch.
Something like: rte_eth_dev_attach_and_setup()
Regards,
ferruh
next prev parent reply other threads:[~2016-05-23 17:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-05 18:11 [dpdk-dev] [PATCH] " Ferruh Yigit
2016-05-09 21:31 ` Yuanhan Liu
2016-05-10 17:11 ` Ferruh Yigit
2016-05-18 17:10 ` [dpdk-dev] [PATCH v2] " Ferruh Yigit
2016-05-19 8:33 ` Thomas Monjalon
2016-05-19 16:28 ` Ferruh Yigit
2016-05-19 16:44 ` Thomas Monjalon
2016-05-20 1:59 ` Yuanhan Liu
2016-05-20 10:37 ` Bruce Richardson
2016-05-20 12:03 ` Thomas Monjalon
2016-05-23 13:24 ` Yuanhan Liu
2016-05-23 17:06 ` Ferruh Yigit [this message]
2016-05-24 5:11 ` Yuanhan Liu
2016-05-24 9:42 ` Bruce Richardson
2016-05-25 4:41 ` Yuanhan Liu
2016-05-25 11:54 ` Thomas Monjalon
2016-05-26 7:58 ` Yuanhan Liu
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=5743388D.5080108@intel.com \
--to=ferruh.yigit@intel.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=mukawa@igel.co.jp \
--cc=thomas.monjalon@6wind.com \
--cc=yuanhan.liu@linux.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).