From: Shahaf Shuler <shahafs@mellanox.com>
To: "Burakov, Anatoly" <anatoly.burakov@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: Olga Shern <olgas@mellanox.com>,
Yongseok Koh <yskoh@mellanox.com>,
"pawelx.wodkowski@intel.com" <pawelx.wodkowski@intel.com>,
"gowrishankar.m@linux.vnet.ibm.com"
<gowrishankar.m@linux.vnet.ibm.com>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>,
Thomas Monjalon <thomas@monjalon.net>,
"arybchenko@solarflare.com" <arybchenko@solarflare.com>,
"shreyansh.jain@nxp.com" <shreyansh.jain@nxp.com>
Subject: Re: [dpdk-dev] [RFC] ethdev: introduce DMA memory mapping for external memory
Date: Wed, 16 Jan 2019 11:04:11 +0000 [thread overview]
Message-ID: <DB7PR05MB44267AD0AA8A444D0177B1E4C3820@DB7PR05MB4426.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <8c664d56-06c1-bd45-10f1-c0f57438910f@intel.com>
Tuesday, January 15, 2019 2:07 PM, Burakov, Anatoly:
> Subject: Re: [dpdk-dev] [RFC] ethdev: introduce DMA memory mapping for
> external memory
>
> On 14-Jan-19 6:12 AM, Shahaf Shuler wrote:
> > Hi Anatoly,
> >
> > Any last inputs on this one? Would like to prepare a patch for 19.05 and it
> would much effect the design.
> >
>
> Hi Shahaf,
>
> Unfortunately, i've been preoccupied with other stuff lately. I will have
> another look at this issue over the week and come back to you.
> Please feel free to ping me personally if i don't :)
Sure, will 😊.
Just to mention, I traversed through the vfio kernel code and it looks like it has what it takes.
for type1 mapping[1] I would expect to get EEXIST.
for spapr mapping[2] I would expect to get EBUSY.
Will wait to your findings.
[1]
https://elixir.bootlin.com/linux/latest/source/drivers/vfio/vfio_iommu_type1.c#L1108
[2]
https://elixir.bootlin.com/linux/latest/source/drivers/vfio/vfio_iommu_spapr_tce.c#L176
>
> --
> Thanks,
> Anatoly
next prev parent reply other threads:[~2019-01-16 11:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-04 12:41 Shahaf Shuler
2018-11-14 11:19 ` Burakov, Anatoly
2018-11-14 14:53 ` Shahaf Shuler
2018-11-14 17:06 ` Burakov, Anatoly
2018-11-15 9:46 ` Shahaf Shuler
2018-11-15 10:59 ` Burakov, Anatoly
2018-11-19 11:20 ` Shahaf Shuler
2018-11-19 17:18 ` Burakov, Anatoly
[not found] ` <DB7PR05MB442643DFD33B71797CD34B5EC3D90@DB7PR05MB4426.eurprd05.prod.outlook.com>
2018-11-20 10:55 ` Burakov, Anatoly
2018-11-22 10:06 ` Shahaf Shuler
2018-11-22 10:41 ` Burakov, Anatoly
2018-11-22 11:31 ` Shahaf Shuler
2018-11-22 11:34 ` Burakov, Anatoly
2019-01-14 6:12 ` Shahaf Shuler
2019-01-15 12:07 ` Burakov, Anatoly
2019-01-16 11:04 ` Shahaf Shuler [this message]
2018-11-19 17:04 ` Stephen Hemminger
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