RE: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-04-03 Thread Shameerali Kolothum Thodi
liam...@redhat.com; > jacob.jun@linux.intel.com; yi.l@intel.com > Cc: pet...@redhat.com; jean-phili...@linaro.org; w...@kernel.org; > tnowi...@marvell.com; zhangfei@foxmail.com; zhangfei@linaro.org; > m...@kernel.org; bbhush...@marvell.com > Subject: Re: [RFC v6 00

Re: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-04-03 Thread Auger Eric
Hi Shameer, On 3/25/20 12:35 PM, Shameerali Kolothum Thodi wrote: > Hi Eric, > >> -Original Message- >> From: Eric Auger [mailto:eric.au...@redhat.com] >> Sent: 20 March 2020 16:58 >> To: eric.auger@gmail.com; eric.au...@redhat.com; >> qemu-devel@nongnu.org; qemu-...@nongnu.org;

Re: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-04-02 Thread Auger Eric
Hi Zhangfei, On 3/31/20 10:24 AM, Zhangfei Gao wrote: > Hi, Eric > > On 2020/3/31 下午4:12, Auger Eric wrote: >> Hi Zhangfei, >> >> On 3/31/20 8:42 AM, Zhangfei Gao wrote: >>> Hi, Eric >>> >>> On 2020/3/21 上午12:58, Eric Auger wrote: Up to now vSMMUv3 has not been integrated with VFIO. VFIO

Re: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-03-31 Thread Zhangfei Gao
Hi, Eric On 2020/3/31 下午4:12, Auger Eric wrote: Hi Zhangfei, On 3/31/20 8:42 AM, Zhangfei Gao wrote: Hi, Eric On 2020/3/21 上午12:58, Eric Auger wrote: Up to now vSMMUv3 has not been integrated with VFIO. VFIO integration requires to program the physical IOMMU consistently with the guest

Re: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-03-31 Thread Auger Eric
Hi Zhangfei, On 3/31/20 8:42 AM, Zhangfei Gao wrote: > Hi, Eric > > On 2020/3/21 上午12:58, Eric Auger wrote: >> Up to now vSMMUv3 has not been integrated with VFIO. VFIO >> integration requires to program the physical IOMMU consistently >> with the guest mappings. However, as opposed to VTD,

Re: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-03-31 Thread Zhangfei Gao
Hi, Eric On 2020/3/21 上午12:58, Eric Auger wrote: Up to now vSMMUv3 has not been integrated with VFIO. VFIO integration requires to program the physical IOMMU consistently with the guest mappings. However, as opposed to VTD, SMMUv3 has no "Caching Mode" which allows easy trapping of guest

Re: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-03-25 Thread Auger Eric
Hi Shameer, On 3/25/20 12:35 PM, Shameerali Kolothum Thodi wrote: > Hi Eric, > >> -Original Message- >> From: Eric Auger [mailto:eric.au...@redhat.com] >> Sent: 20 March 2020 16:58 >> To: eric.auger@gmail.com; eric.au...@redhat.com; >> qemu-devel@nongnu.org; qemu-...@nongnu.org;

RE: [RFC v6 00/24] vSMMUv3/pSMMUv3 2 stage VFIO integration

2020-03-25 Thread Shameerali Kolothum Thodi
Hi Eric, > -Original Message- > From: Eric Auger [mailto:eric.au...@redhat.com] > Sent: 20 March 2020 16:58 > To: eric.auger@gmail.com; eric.au...@redhat.com; > qemu-devel@nongnu.org; qemu-...@nongnu.org; peter.mayd...@linaro.org; > m...@redhat.com; alex.william...@redhat.com; >