From: "Ouyang, Changchun" <changchun.ouyang@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4 17/26] virtio: Use port IO to get PCI resource.
Date: Wed, 11 Feb 2015 04:50:00 +0000 [thread overview]
Message-ID: <F52918179C57134FAEC9EA62FA2F9625119E4846@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <20150210203232.6c1934ad@uryu.home.lan>
> -----Original Message-----
> From: Stephen Hemminger [mailto:stephen@networkplumber.org]
> Sent: Wednesday, February 11, 2015 12:33 PM
> To: Ouyang, Changchun
> Cc: dev@dpdk.org; Xie, Huawei; Cao, Waterman; Xu, Qian Q
> Subject: Re: [PATCH v4 17/26] virtio: Use port IO to get PCI resource.
>
> On Mon, 9 Feb 2015 09:14:06 +0800
> Ouyang Changchun <changchun.ouyang@intel.com> wrote:
>
> > Make virtio not require UIO for some security reasons, this is to match
> 6Wind's virtio-net-pmd.
> >
> > Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
>
> This breaks applications that use link state interrupt.
>
> If the non-UIO mode is used link state interrupt fd is not available.
If application use link state interrupt, then let it work in uio mode rather than proc/ioports mode,
As we know proc/ioports hasn't interrupt, 6wind implementation also don't introduce interrupt in it.
Thanks
Changchun
next prev parent reply other threads:[~2015-02-11 4:50 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-15 5:15 [dpdk-dev] [PATCH 00/22] Single virtio implementation Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 01/22] virtio: Rearrange resource initialization Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 02/22] virtio: Use weaker barriers Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 03/22] virtio: Allow starting with link down Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 04/22] virtio: Add support for Link State interrupt Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 05/22] ether: Add soft vlan encap/decap functions Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 06/22] virtio: Use software vlan stripping Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 07/22] virtio: Remove unnecessary adapter structure Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 08/22] virtio: Remove redundant vq_alignment Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 09/22] virtio: Fix how states are handled during initialization Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 10/22] virtio: Make vtpci_get_status local Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 11/22] virtio: Check for packet headroom at compile time Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 12/22] virtio: Move allocation before initialization Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 13/22] virtio: Add support for vlan filtering Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 14/22] virtio: Add suport for multiple mac addresses Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 15/22] virtio: Add ability to set MAC address Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 16/22] virtio: Free mbuf's with threshold Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 17/22] virtio: Use port IO to get PCI resource Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 18/22] virtio: Fix descriptor index issue Ouyang Changchun
2015-01-15 16:54 ` Stephen Hemminger
2015-01-16 0:55 ` Ouyang, Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 19/22] ether: Fix vlan strip/insert issue Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 20/22] example/vhost: Avoid inserting vlan twice Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 21/22] example/vhost: Add vlan-strip cmd line option Ouyang Changchun
2015-01-15 5:15 ` [dpdk-dev] [PATCH 22/22] virtio: Use soft vlan strip in mergeable Rx path Ouyang Changchun
2015-01-15 16:55 ` Stephen Hemminger
2015-01-16 0:56 ` Ouyang, Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 00/24] Single virtio implementation Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 01/24] virtio: Rearrange resource initialization Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 02/24] virtio: Use weaker barriers Ouyang Changchun
2015-01-27 7:03 ` Xie, Huawei
2015-01-27 9:58 ` Stephen Hemminger
2015-01-27 16:16 ` Xie, Huawei
2015-01-28 6:12 ` Ouyang, Changchun
2015-01-27 7:56 ` Xie, Huawei
2015-01-27 8:04 ` Ouyang, Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 03/24] virtio: Allow starting with link down Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 04/24] virtio: Add support for Link State interrupt Ouyang Changchun
2015-01-27 9:04 ` Xie, Huawei
2015-01-27 10:00 ` Stephen Hemminger
2015-01-28 3:03 ` Ouyang, Changchun
2015-01-28 15:11 ` Stephen Hemminger
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 05/24] ether: Add soft vlan encap/decap functions Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 06/24] virtio: Use software vlan stripping Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 07/24] virtio: Remove unnecessary adapter structure Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 08/24] virtio: Remove redundant vq_alignment Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 09/24] virtio: Fix how states are handled during initialization Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 10/24] virtio: Make vtpci_get_status local Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 11/24] virtio: Check for packet headroom at compile time Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 12/24] virtio: Move allocation before initialization Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 13/24] virtio: Add support for vlan filtering Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 14/24] virtio: Add suport for multiple mac addresses Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 15/24] virtio: Add ability to set MAC address Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 16/24] virtio: Free mbuf's with threshold Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 17/24] virtio: Use port IO to get PCI resource Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 18/24] virtio: Fix descriptor index issue Ouyang Changchun
2015-01-27 2:35 ` [dpdk-dev] [PATCH v2 19/24] ether: Fix vlan strip/insert issue Ouyang Changchun
2015-01-27 2:36 ` [dpdk-dev] [PATCH v2 20/24] example/vhost: Avoid inserting vlan twice Ouyang Changchun
2015-01-27 2:36 ` [dpdk-dev] [PATCH v2 21/24] example/vhost: Add vlan-strip cmd line option Ouyang Changchun
2015-01-27 2:36 ` [dpdk-dev] [PATCH v2 22/24] virtio: Use soft vlan strip in mergeable Rx path Ouyang Changchun
2015-01-27 2:36 ` [dpdk-dev] [PATCH v2 23/24] virtio: Fix zero copy break issue Ouyang Changchun
2015-01-27 2:36 ` [dpdk-dev] [PATCH v2 24/24] virtio: Remove hotspots Ouyang Changchun
2015-01-27 3:06 ` [dpdk-dev] [PATCH v2 00/24] Single virtio implementation Matthew Hall
2015-01-27 3:42 ` Wiles, Keith
2015-01-27 9:41 ` Matthew Hall
2015-01-27 10:02 ` Stephen Hemminger
2015-01-27 18:59 ` Matthew Hall
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 00/25] " Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 01/25] virtio: Rearrange resource initialization Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 02/25] virtio: Use weaker barriers Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 03/25] virtio: Allow starting with link down Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 04/25] virtio: Add support for Link State interrupt Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 05/25] ether: Add soft vlan encap/decap functions Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 06/25] virtio: Use software vlan stripping Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 07/25] virtio: Remove unnecessary adapter structure Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 08/25] virtio: Remove redundant vq_alignment Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 09/25] virtio: Fix how states are handled during initialization Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 10/25] virtio: Make vtpci_get_status local Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 11/25] virtio: Check for packet headroom at compile time Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 12/25] virtio: Move allocation before initialization Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 13/25] virtio: Add support for vlan filtering Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 14/25] virtio: Add suport for multiple mac addresses Ouyang Changchun
2015-01-29 7:23 ` [dpdk-dev] [PATCH v3 15/25] virtio: Add ability to set MAC address Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 16/25] virtio: Free mbuf's with threshold Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 17/25] virtio: Use port IO to get PCI resource Ouyang Changchun
2015-01-29 23:14 ` Thomas Monjalon
2015-02-04 1:31 ` Ouyang, Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 18/25] virtio: Fix descriptor index issue Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 19/25] ether: Fix vlan strip/insert issue Ouyang Changchun
2015-02-04 10:54 ` Xie, Huawei
2015-02-05 0:54 ` Ouyang, Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 20/25] example/vhost: Avoid inserting vlan twice Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 21/25] example/vhost: Add vlan-strip cmd line option Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 22/25] virtio: Use soft vlan strip in mergeable Rx path Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 23/25] virtio: Fix zero copy break issue Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 24/25] virtio: Remove hotspots Ouyang Changchun
2015-01-29 7:24 ` [dpdk-dev] [PATCH v3 25/25] virtio: Fix wmb issue Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 00/26] Single virtio implementation Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 01/26] virtio: Rearrange resource initialization Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 02/26] virtio: Use weaker barriers Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 03/26] virtio: Allow starting with link down Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 04/26] virtio: Add support for Link State interrupt Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 05/26] ether: Add soft vlan encap/decap functions Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 06/26] virtio: Use software vlan stripping Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 07/26] virtio: Remove unnecessary adapter structure Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 08/26] virtio: Remove redundant vq_alignment Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 09/26] virtio: Fix how states are handled during initialization Ouyang Changchun
2015-02-09 1:13 ` [dpdk-dev] [PATCH v4 10/26] virtio: Make vtpci_get_status local Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 11/26] virtio: Check for packet headroom at compile time Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 12/26] virtio: Move allocation before initialization Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 13/26] virtio: Add support for vlan filtering Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 14/26] virtio: Add suport for multiple mac addresses Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 15/26] virtio: Add ability to set MAC address Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 16/26] virtio: Free mbuf's with threshold Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 17/26] virtio: Use port IO to get PCI resource Ouyang Changchun
2015-02-11 4:32 ` Stephen Hemminger
2015-02-11 4:50 ` Ouyang, Changchun [this message]
2015-02-11 7:29 ` Vincent JARDIN
2015-02-11 13:50 ` Stephen Hemminger
2015-02-11 14:16 ` Thomas Monjalon
2015-02-12 0:52 ` Ouyang, Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 18/26] virtio: Fix descriptor index issue Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 19/26] ether: Fix vlan strip/insert issue Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 20/26] example/vhost: Avoid inserting vlan twice Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 21/26] example/vhost: Add vlan-strip cmd line option Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 22/26] virtio: Use soft vlan strip in mergeable Rx path Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 23/26] virtio: Fix zero copy break issue Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 24/26] virtio: Remove hotspots Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 25/26] virtio: Fix wmb issue Ouyang Changchun
2015-02-09 1:14 ` [dpdk-dev] [PATCH v4 26/26] virtio: Fix updating vring descriptor index issue Ouyang Changchun
2015-02-17 6:04 ` [dpdk-dev] [PATCH v4 00/26] Single virtio implementation Xie, Huawei
2015-02-20 18:06 ` Thomas Monjalon
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