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
