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

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

2018-06-26 Thread Alejandro Lucero
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, which can be equivalent to physical addresses