From: "Wu, Jingjing" <jingjing.wu@intel.com>
To: David Marchand <david.marchand@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH v2 2/2] i40evf: support interrupt based pf reset request
Date: Sun, 14 Feb 2016 03:25:29 +0000 [thread overview]
Message-ID: <9BB6961774997848B5B42BEC655768F8D98B60@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <CALwxeUtVmgc9drj4=B9TMz_23Gte22+ahwuAZh1g9iux4uwUhg@mail.gmail.com>
> -----Original Message-----
> From: David Marchand [mailto:david.marchand@6wind.com]
> Sent: Wednesday, January 27, 2016 4:34 PM
> To: Wu, Jingjing
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2 2/2] i40evf: support interrupt based pf
> reset request
>
> Hello Jingjing,
>
> On Wed, Jan 27, 2016 at 2:49 AM, Jingjing Wu <jingjing.wu@intel.com> wrote:
> > Interrupt based request of PF reset from PF is supported by enabling
> > the adminq event process in VF driver.
> > Users can register a callback for this interrupt event to get
> > informed, when a PF reset request detected like:
> > rte_eth_dev_callback_register(portid,
> > RTE_ETH_EVENT_INTR_RESET,
> > reset_event_callback,
> > arg);
> >
> > Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
>
> Just adding my previous comment in this thread.
>
> Having this infrastructure is one thing, but the initial problem was that the
> driver did not recover from this reset event.
> The linux i40e vf driver handles this kind of event itself.
> Could we have something similar ?
>
Hi, David
Considering about the how to use DPDK PMD, and how to setup resource, we can
know that lots of resources are managed by application. I think based on current
PMD driver framework, driver cannot reset without application's help.
If we need to support driver recovery automatically, we'd better to find a way to do that.
Do you have any idea?
However, this patch can notify the reset event to application, even it is not a perfect
solution as you hoped.
Thanks
Jingjing
> Thanks.
>
> --
> David Marchand
next prev parent reply other threads:[~2016-02-14 3:25 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-13 12:31 [PATCH 0/2] i40evf: support interrupt based pf reset request Jingjing Wu
2016-01-13 12:31 ` [PATCH 1/2] i40evf: allocate virtchnl cmd buffer for each vf Jingjing Wu
2016-01-13 12:31 ` [PATCH 2/2] i40evf: support interrupt based pf reset request Jingjing Wu
2016-01-27 1:49 ` [PATCH v2 0/2] " Jingjing Wu
2016-01-27 1:49 ` [PATCH v2 1/2] i40evf: allocate virtchnl cmd buffer for each vf Jingjing Wu
2016-01-29 7:28 ` Tao, Zhe
2016-02-14 2:22 ` Wu, Jingjing
2016-02-22 7:26 ` Zhang, Helin
2016-01-27 1:49 ` [PATCH v2 2/2] i40evf: support interrupt based pf reset request Jingjing Wu
2016-01-27 8:34 ` David Marchand
2016-02-14 3:25 ` Wu, Jingjing [this message]
2016-02-15 13:16 ` David Marchand
2016-02-18 4:06 ` Zhe Tao
2016-02-19 5:51 ` Wu, Jingjing
2016-01-28 7:03 ` Tao, Zhe
2016-02-14 2:12 ` Wu, Jingjing
2016-01-29 8:50 ` Tao, Zhe
2016-02-14 3:04 ` Wu, Jingjing
2016-02-22 8:26 ` Zhang, Helin
2016-02-26 6:51 ` [PATCH v3 0/2] i40evf: pf reset event report Jingjing Wu
2016-02-26 6:51 ` [PATCH v3 1/2] i40evf: allocate virtchnl cmd buffer for each vf Jingjing Wu
2016-02-26 8:12 ` Zhang, Helin
2016-02-26 6:51 ` [PATCH v3 2/2] i40evf: support to report pf reset event Jingjing Wu
2016-02-26 8:13 ` Zhang, Helin
2016-03-08 17:44 ` [PATCH v3 0/2] i40evf: pf reset event report Bruce Richardson
2016-03-09 3:08 ` Zhe Tao
2016-03-09 6:00 ` [PATCH v4 " Jingjing Wu
2016-03-09 6:00 ` [PATCH v4 1/2] i40evf: allocate virtchnl cmd buffer for each vf Jingjing Wu
2016-03-09 6:00 ` [PATCH v4 2/2] i40evf: support to report pf reset event Jingjing Wu
2016-03-09 9:59 ` Thomas Monjalon
2016-03-09 11:01 ` Bruce Richardson
2016-03-09 11:26 ` expectations on maintainer's review Thomas Monjalon
2016-03-09 14:15 ` Bruce Richardson
2016-03-09 14:19 ` Thomas Monjalon
2016-03-10 3:41 ` [PATCH v5 0/2] i40evf: pf reset event report Jingjing Wu
2016-03-10 3:41 ` [PATCH v5 1/2] i40evf: allocate virtchnl cmd buffer for each vf Jingjing Wu
2016-03-14 12:21 ` Bruce Richardson
2016-03-15 1:01 ` Wu, Jingjing
2016-03-10 3:41 ` [PATCH v5 2/2] i40evf: support to report pf reset event Jingjing Wu
2016-03-15 1:59 ` [PATCH v6 0/2] i40evf: pf reset event report Jingjing Wu
2016-03-15 1:59 ` [PATCH v6 1/2] i40evf: allocate virtchnl cmd buffer for each vf Jingjing Wu
2016-03-15 1:59 ` [PATCH v6 2/2] i40evf: support to report pf reset event Jingjing Wu
2016-03-22 15:13 ` [PATCH v6 0/2] i40evf: pf reset event report Bruce Richardson
2016-01-27 1:46 [PATCH v2 0/2] i40evf: support interrupt based pf reset request Jingjing Wu
2016-01-27 1:46 ` [PATCH v2 2/2] " Jingjing Wu
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