Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-28 Thread Burakov, Anatoly
On 28-Jun-18 11:27 AM, Alejandro Lucero wrote: On Thu, Jun 28, 2018 at 11:03 AM, Burakov, Anatoly mailto:anatoly.bura...@intel.com>> wrote: On 28-Jun-18 10:56 AM, Alejandro Lucero wrote: On Thu, Jun 28, 2018 at 9:54 AM, Burakov, Anatoly mailto:anatoly.bura...@intel.com

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-28 Thread Alejandro Lucero
On Thu, Jun 28, 2018 at 11:03 AM, Burakov, Anatoly < anatoly.bura...@intel.com> wrote: > On 28-Jun-18 10:56 AM, Alejandro Lucero wrote: > >> >> >> On Thu, Jun 28, 2018 at 9:54 AM, Burakov, Anatoly < >> anatoly.bura...@intel.com > wrote: >> >> On 27-Jun-18 5:52

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-28 Thread Burakov, Anatoly
On 28-Jun-18 10:56 AM, Alejandro Lucero wrote: On Thu, Jun 28, 2018 at 9:54 AM, Burakov, Anatoly mailto:anatoly.bura...@intel.com>> wrote: On 27-Jun-18 5:52 PM, Alejandro Lucero wrote: On Wed, Jun 27, 2018 at 2:24 PM, Burakov, Anatoly mailto:anatoly.bura...@intel.com>

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-28 Thread Alejandro Lucero
On Thu, Jun 28, 2018 at 9:54 AM, Burakov, Anatoly wrote: > On 27-Jun-18 5:52 PM, Alejandro Lucero wrote: > >> >> >> On Wed, Jun 27, 2018 at 2:24 PM, Burakov, Anatoly < >> anatoly.bura...@intel.com > wrote: >> >> On 27-Jun-18 11:13 AM, Alejandro Lucero wrote:

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-28 Thread Burakov, Anatoly
On 27-Jun-18 5:52 PM, Alejandro Lucero wrote: On Wed, Jun 27, 2018 at 2:24 PM, Burakov, Anatoly mailto:anatoly.bura...@intel.com>> wrote: On 27-Jun-18 11:13 AM, Alejandro Lucero wrote: On Wed, Jun 27, 2018 at 9:17 AM, Burakov, Anatoly mailto:anatoly.bura...@intel.com>

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-27 Thread Alejandro Lucero
On Wed, Jun 27, 2018 at 2:24 PM, Burakov, Anatoly wrote: > On 27-Jun-18 11:13 AM, Alejandro Lucero wrote: > > >> >> On Wed, Jun 27, 2018 at 9:17 AM, Burakov, Anatoly < >> anatoly.bura...@intel.com > wrote: >> >> On 26-Jun-18 6:37 PM, Alejandro Lucero wrote: >

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-27 Thread Burakov, Anatoly
On 27-Jun-18 11:13 AM, Alejandro Lucero wrote: On Wed, Jun 27, 2018 at 9:17 AM, Burakov, Anatoly mailto:anatoly.bura...@intel.com>> wrote: On 26-Jun-18 6:37 PM, Alejandro Lucero wrote: This RFC tries to handle devices with addressing limitations. NFP devices 4000

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-27 Thread Alejandro Lucero
On Wed, Jun 27, 2018 at 9:17 AM, Burakov, Anatoly wrote: > On 26-Jun-18 6:37 PM, Alejandro Lucero wrote: > >> This RFC tries to handle devices with addressing limitations. NFP devices >> 4000/6000 can just handle addresses with 40 bits implying problems for >> handling >> physical address when ma

Re: [dpdk-dev] [RFC] Add support for device dma mask

2018-06-27 Thread Burakov, Anatoly
On 26-Jun-18 6:37 PM, Alejandro Lucero wrote: This RFC tries to handle devices with addressing limitations. NFP devices 4000/6000 can just handle addresses with 40 bits implying problems for handling physical address when machines have more than 1TB of memory. But because how iovas are configured