Re: [dpdk-dev] [PATCH] eal: add notice to make DPDK IOVA aware

2017-08-07 Thread Thomas Monjalon
> > > > When we run DPDK on guest or VFIO mode on host, > > > > the dpdk library or device will not be directly accessing > > > > the physical address. Instead, the device does go through > > > > an IO address translation memory management unit. On x86, > > > > we call it as IOMMU and on ARM as SMM

Re: [dpdk-dev] [PATCH] eal: add notice to make DPDK IOVA aware

2017-08-06 Thread Olivier MATZ
On Fri, Aug 04, 2017 at 10:55:25AM +0530, Hemant Agrawal wrote: > On 8/4/2017 9:11 AM, santosh wrote: > > On Tuesday 11 July 2017 03:31 PM, Jerin Jacob wrote: > > > > > When we run DPDK on guest or VFIO mode on host, > > > the dpdk library or device will not be directly accessing > > > the physica

Re: [dpdk-dev] [PATCH] eal: add notice to make DPDK IOVA aware

2017-08-03 Thread Hemant Agrawal
On 8/4/2017 9:11 AM, santosh wrote: On Tuesday 11 July 2017 03:31 PM, Jerin Jacob wrote: When we run DPDK on guest or VFIO mode on host, the dpdk library or device will not be directly accessing the physical address. Instead, the device does go through an IO address translation memory managemen

Re: [dpdk-dev] [PATCH] eal: add notice to make DPDK IOVA aware

2017-08-03 Thread santosh
On Tuesday 11 July 2017 03:31 PM, Jerin Jacob wrote: > When we run DPDK on guest or VFIO mode on host, > the dpdk library or device will not be directly accessing > the physical address. Instead, the device does go through > an IO address translation memory management unit. On x86, > we call it as

Re: [dpdk-dev] [PATCH] eal: add notice to make DPDK IOVA aware

2017-07-20 Thread santosh
On Tuesday 11 July 2017 03:31 PM, Jerin Jacob wrote: > When we run DPDK on guest or VFIO mode on host, > the dpdk library or device will not be directly accessing > the physical address. Instead, the device does go through > an IO address translation memory management unit. On x86, > we call it as

[dpdk-dev] [PATCH] eal: add notice to make DPDK IOVA aware

2017-07-11 Thread Jerin Jacob
When we run DPDK on guest or VFIO mode on host, the dpdk library or device will not be directly accessing the physical address. Instead, the device does go through an IO address translation memory management unit. On x86, we call it as IOMMU and on ARM as SMMU. More details: http://osidays.com/osi