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From: santosh <santosh.shukla@caviumnetworks.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
	Jianfeng Tan <jianfeng.tan@intel.com>,
	dev@dpdk.org, ferruh.yigit@intel.com
Cc: sergio.gonzalez.monroy@intel.com, thomas@monjalon.net,
	Peter Xu <peterx@redhat.com>
Subject: Re: [dpdk-dev] [PATCH 2/2] net: enable IOVA mode for PMDs
Date: Fri, 5 Jan 2018 17:40:23 +0530	[thread overview]
Message-ID: <4b239748-4b7c-b98d-7123-a5baeb6c8059@caviumnetworks.com> (raw)
In-Reply-To: <6367d190-5d4b-71c1-5790-3b488f4dcc18@redhat.com>

Hi Maxim,


On Friday 05 January 2018 04:02 PM, Maxime Coquelin wrote:
> Hi Jianfeng,
>
> On 10/11/2017 12:33 PM, Jianfeng Tan wrote:
>> If we want to enable IOVA mode, introduced by
>> commit 93878cf0255e ("eal: introduce helper API for IOVA mode"),
>> we need PMDs (for PCI devices) to expose this flag.
>>
>> Signed-off-by: Jianfeng Tan<jianfeng.tan@intel.com>
>> ---

[...]

> Ferruh, I see you also faced problems with KNI, how did you solved it?
>
By checking lsmod for rte_kni module and if found then set .iova_mode = _pa, refer [1].
You may follow similar approach.. meaning detect emulation mode Or if not then
other-way to introduce --iova-mode=<> eal arg.

[1] http://dpdk.org/browse/dpdk/tree/lib/librte_eal/linuxapp/eal/eal.c#n810

Thanks.

> Thanks,
> Maxime
>
> [0]: https://bugzilla.redhat.com/show_bug.cgi?id=1530957#c3

  parent reply	other threads:[~2018-01-05 12:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-11 10:33 [dpdk-dev] [PATCH 0/2] enable 4KB + VFIO-PCI Jianfeng Tan
2017-10-11 10:33 ` [dpdk-dev] [PATCH 1/2] eal: honor IOVA mode for no-huge case Jianfeng Tan
2017-10-11 11:27   ` Burakov, Anatoly
2017-10-11 11:30   ` santosh
2017-10-31 21:49   ` Ferruh Yigit
2017-10-31 22:37     ` Ferruh Yigit
2017-11-01  1:10       ` Ferruh Yigit
2017-10-11 10:33 ` [dpdk-dev] [PATCH 2/2] net: enable IOVA mode for PMDs Jianfeng Tan
2017-10-11 10:43   ` Burakov, Anatoly
2017-10-11 10:56     ` Tan, Jianfeng
2017-10-11 11:30   ` Burakov, Anatoly
2017-10-11 11:33   ` santosh
2018-01-05 10:32   ` Maxime Coquelin
2018-01-05 12:04     ` Maxime Coquelin
2018-01-05 12:10     ` santosh [this message]
2018-01-05 12:57       ` Maxime Coquelin
2017-10-11 10:47 ` [dpdk-dev] [PATCH 0/2] enable 4KB + VFIO-PCI Burakov, Anatoly
2017-10-11 10:50   ` Thomas Monjalon
2017-10-12 19:57 ` Ferruh Yigit

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