Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-07 Thread Ding, Xuan
aren, Harry ; Liu, Yong > ; Ma, WenwuX > Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost > > On 07-Jul-21 1:54 PM, Ding, Xuan wrote: > > Hi Anatoly, > > > >> -Original Message- > >> From: Burakov, Anatoly > >

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-07 Thread Bruce Richardson
o: Ding, Xuan ; Maxime Coquelin > > > ; Xia, Chenbo ; > > > Thomas Monjalon ; David Marchand > > > > > > Cc: dev@dpdk.org; Hu, Jiayu ; Pai G, Sunil > > > ; Richardson, Bruce ; > > > Van > > > Haaren, Harry ; Liu, Yong > > > ; >

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-07 Thread Burakov, Anatoly
Haaren, Harry ; Liu, Yong ; Ma, WenwuX Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost On 07-Jul-21 7:25 AM, Ding, Xuan wrote: Hi, -Original Message- From: Maxime Coquelin Sent: Tuesday, July 6, 2021 5:32 PM To: Burakov, Anatoly ; Ding, Xuan ; Xia, Chenbo

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-07 Thread Ding, Xuan
; Van > Haaren, Harry ; Liu, Yong ; > Ma, WenwuX > Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost > > On 07-Jul-21 7:25 AM, Ding, Xuan wrote: > > Hi, > > > >> -Original Message- > >> From: Maxime Coquelin > &g

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-07 Thread Burakov, Anatoly
, Harry ; Liu, Yong ; Ma, WenwuX Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost On 7/6/21 11:16 AM, Burakov, Anatoly wrote: On 06-Jul-21 9:31 AM, Ding, Xuan wrote: Hi Maxime, -Original Message- From: Maxime Coquelin Sent: Monday, July 5, 2021 8:46 PM To

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-06 Thread Ding, Xuan
aren, Harry ; Liu, Yong ; > Ma, WenwuX > Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost > > > > On 7/6/21 11:16 AM, Burakov, Anatoly wrote: > > On 06-Jul-21 9:31 AM, Ding, Xuan wrote: > >> Hi Maxime, > >> > >>>

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-06 Thread Maxime Coquelin
gt;> ; Xia, Chenbo ; Thomas >>> Monjalon ; David Marchand >>> >>> Cc: dev@dpdk.org; Hu, Jiayu ; Pai G, Sunil >>> ; Richardson, Bruce ; >>> Van Haaren, Harry ; Liu, Yong >>> ; Ma, WenwuX >>> Subject: Re: [dpdk-dev] [PATCH v5 1/2] v

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-06 Thread Burakov, Anatoly
Haaren, Harry ; Liu, Yong ; Ma, WenwuX Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost On 7/5/21 2:16 PM, Burakov, Anatoly wrote: On 05-Jul-21 9:40 AM, Xuan Ding wrote: The use of IOMMU has many advantages, such as isolation and address translation. This patch extends the

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-06 Thread Ding, Xuan
Van Haaren, Harry ; Liu, Yong > ; Ma, WenwuX > Subject: Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost > > > > On 7/5/21 2:16 PM, Burakov, Anatoly wrote: > > On 05-Jul-21 9:40 AM, Xuan Ding wrote: > >> The use of IOMMU has many advantages, suc

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-05 Thread Maxime Coquelin
On 7/5/21 2:16 PM, Burakov, Anatoly wrote: > On 05-Jul-21 9:40 AM, Xuan Ding wrote: >> The use of IOMMU has many advantages, such as isolation and address >> translation. This patch extends the capbility of DMA engine to use >> IOMMU if the DMA device is bound to vfio. >> >> When set memory tabl

Re: [dpdk-dev] [PATCH v5 1/2] vhost: enable IOMMU for async vhost

2021-07-05 Thread Burakov, Anatoly
On 05-Jul-21 9:40 AM, Xuan Ding wrote: The use of IOMMU has many advantages, such as isolation and address translation. This patch extends the capbility of DMA engine to use IOMMU if the DMA device is bound to vfio. When set memory table, the guest memory will be mapped into the default containe