Re: [dpdk-dev] Issue with VFIO/IOMMU

2020-09-07 Thread Vikas Gupta
RE: [dpdk-dev] Issue with VFIO/IOMMU Hi Burakov, -Original Message- From: Burakov, Anatoly [mailto:anatoly.bura...@intel.com ] Sent: Friday, September 04, 2020 7:20 PM To: Vikas Gupta ; dev@dpdk.org Cc: Ajit Kumar Khaparde ; Vikram Prakash < vikram.prak...@broadcom.com> Subje

Re: [dpdk-dev] Issue with VFIO/IOMMU

2020-09-07 Thread Burakov, Anatoly
Kumar Khaparde <mailto:ajit.khapa...@broadcom.com>>; Vikram Prakash mailto:vikram.prak...@broadcom.com>> Subject: Re: [dpdk-dev] Issue with VFIO/IOMMU On 03-Sep-20 12:09 PM, Vikas Gupta wrote: Hi,     I observe an issue with IOVA address returned by api rte_

Re: [dpdk-dev] Issue with VFIO/IOMMU

2020-09-04 Thread Burakov, Anatoly
On 03-Sep-20 12:09 PM, Vikas Gupta wrote: Hi, I observe an issue with IOVA address returned by api rte_memzone_reserve_aligned (flags= RTE_MEMZONE_IOVA_CONTIG) used for queue memory allocation. With high level debugging, I notice that IOVA address returned in mz->iova is not mapped by VFIO_IO

[dpdk-dev] Issue with VFIO/IOMMU

2020-09-03 Thread Vikas Gupta
Hi, I observe an issue with IOVA address returned by api rte_memzone_reserve_aligned (flags= RTE_MEMZONE_IOVA_CONTIG) used for queue memory allocation. With high level debugging, I notice that IOVA address returned in mz->iova is not mapped by VFIO_IOMMU_MAP_DMA so in turn SMMU exception is seen