Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-17 Thread Jason Wang
On 2020/9/16 下午7:47, Kishon Vijay Abraham I wrote: Hi Jason, On 16/09/20 8:40 am, Jason Wang wrote: On 2020/9/15 下午11:47, Kishon Vijay Abraham I wrote: Hi Jason, On 15/09/20 1:48 pm, Jason Wang wrote: Hi Kishon: On 2020/9/14 下午3:23, Kishon Vijay Abraham I wrote: Then you need something

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-16 Thread Kishon Vijay Abraham I
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Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-15 Thread Jason Wang
On 2020/9/15 下午11:47, Kishon Vijay Abraham I wrote: Hi Jason, On 15/09/20 1:48 pm, Jason Wang wrote: Hi Kishon: On 2020/9/14 下午3:23, Kishon Vijay Abraham I wrote: Then you need something that is functional equivalent to virtio PCI which is actually the concept of vDPA (e.g vDPA provides

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-15 Thread Kishon Vijay Abraham I
Hi Jason, On 15/09/20 1:48 pm, Jason Wang wrote: > Hi Kishon: > > On 2020/9/14 下午3:23, Kishon Vijay Abraham I wrote: >>> Then you need something that is functional equivalent to virtio PCI >>> which is actually the concept of vDPA (e.g vDPA provides alternatives if >>> the queue_sel is hard in

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-15 Thread Jason Wang
Hi Kishon: On 2020/9/14 下午3:23, Kishon Vijay Abraham I wrote: Then you need something that is functional equivalent to virtio PCI which is actually the concept of vDPA (e.g vDPA provides alternatives if the queue_sel is hard in the EP implementation). Okay, I just tried to compare the 'struct

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-14 Thread Kishon Vijay Abraham I
Hi Jason, On 01/09/20 2:20 pm, Jason Wang wrote: > > On 2020/9/1 下午1:24, Kishon Vijay Abraham I wrote: >> Hi, >> >> On 28/08/20 4:04 pm, Cornelia Huck wrote: >>> On Thu, 9 Jul 2020 14:26:53 +0800 >>> Jason Wang wrote: >>> >>> [Let me note right at the beginning that I first noted this while >>>

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-09 Thread Jason Wang
On 2020/9/9 上午12:37, Cornelia Huck wrote: Then you need something that is functional equivalent to virtio PCI which is actually the concept of vDPA (e.g vDPA provides alternatives if the queue_sel is hard in the EP implementation). It seems I really need to read up on vDPA more... do you have

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-08 Thread Cornelia Huck
On Tue, 1 Sep 2020 16:50:03 +0800 Jason Wang wrote: > On 2020/9/1 下午1:24, Kishon Vijay Abraham I wrote: > > Hi, > > > > On 28/08/20 4:04 pm, Cornelia Huck wrote: > >> On Thu, 9 Jul 2020 14:26:53 +0800 > >> Jason Wang wrote: > >> > >> [Let me note right at the beginning that I first noted this

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-09-01 Thread Jason Wang
On 2020/9/1 下午1:24, Kishon Vijay Abraham I wrote: Hi, On 28/08/20 4:04 pm, Cornelia Huck wrote: On Thu, 9 Jul 2020 14:26:53 +0800 Jason Wang wrote: [Let me note right at the beginning that I first noted this while listening to Kishon's talk at LPC on Wednesday. I might be very confused

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-08-31 Thread Kishon Vijay Abraham I
Hi, On 28/08/20 4:04 pm, Cornelia Huck wrote: On Thu, 9 Jul 2020 14:26:53 +0800 Jason Wang wrote: [Let me note right at the beginning that I first noted this while listening to Kishon's talk at LPC on Wednesday. I might be very confused about the background here, so let me apologize

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-08-31 Thread Kishon Vijay Abraham I
Hi Mathieu, On 15/07/20 10:45 pm, Mathieu Poirier wrote: Hey Kishon, On Wed, Jul 08, 2020 at 06:43:45PM +0530, Kishon Vijay Abraham I wrote: Hi Jason, On 7/8/2020 4:52 PM, Jason Wang wrote: On 2020/7/7 下午10:45, Kishon Vijay Abraham I wrote: Hi Jason, On 7/7/2020 3:17 PM, Jason Wang

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-08-28 Thread Cornelia Huck
On Thu, 9 Jul 2020 14:26:53 +0800 Jason Wang wrote: [Let me note right at the beginning that I first noted this while listening to Kishon's talk at LPC on Wednesday. I might be very confused about the background here, so let me apologize beforehand for any confusion I might spread.] > On

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-15 Thread Mathieu Poirier
Hey Kishon, On Wed, Jul 08, 2020 at 06:43:45PM +0530, Kishon Vijay Abraham I wrote: > Hi Jason, > > On 7/8/2020 4:52 PM, Jason Wang wrote: > > > > On 2020/7/7 下午10:45, Kishon Vijay Abraham I wrote: > >> Hi Jason, > >> > >> On 7/7/2020 3:17 PM, Jason Wang wrote: > >>> On 2020/7/6 下午5:32, Kishon

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-09 Thread Jason Wang
On 2020/7/8 下午9:13, Kishon Vijay Abraham I wrote: Hi Jason, On 7/8/2020 4:52 PM, Jason Wang wrote: On 2020/7/7 下午10:45, Kishon Vijay Abraham I wrote: Hi Jason, On 7/7/2020 3:17 PM, Jason Wang wrote: On 2020/7/6 下午5:32, Kishon Vijay Abraham I wrote: Hi Jason, On 7/3/2020 12:46 PM, Jason

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-08 Thread Kishon Vijay Abraham I
Hi Jason, On 7/8/2020 4:52 PM, Jason Wang wrote: > > On 2020/7/7 下午10:45, Kishon Vijay Abraham I wrote: >> Hi Jason, >> >> On 7/7/2020 3:17 PM, Jason Wang wrote: >>> On 2020/7/6 下午5:32, Kishon Vijay Abraham I wrote: Hi Jason, On 7/3/2020 12:46 PM, Jason Wang wrote: > On

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-08 Thread Jason Wang
On 2020/7/7 下午10:45, Kishon Vijay Abraham I wrote: Hi Jason, On 7/7/2020 3:17 PM, Jason Wang wrote: On 2020/7/6 下午5:32, Kishon Vijay Abraham I wrote: Hi Jason, On 7/3/2020 12:46 PM, Jason Wang wrote: On 2020/7/2 下午9:35, Kishon Vijay Abraham I wrote: Hi Jason, On 7/2/2020 3:40 PM, Jason

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-07 Thread Kishon Vijay Abraham I
Hi Jason, On 7/7/2020 3:17 PM, Jason Wang wrote: > > On 2020/7/6 下午5:32, Kishon Vijay Abraham I wrote: >> Hi Jason, >> >> On 7/3/2020 12:46 PM, Jason Wang wrote: >>> On 2020/7/2 下午9:35, Kishon Vijay Abraham I wrote: Hi Jason, On 7/2/2020 3:40 PM, Jason Wang wrote: > On

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-07 Thread Jason Wang
On 2020/7/6 下午5:32, Kishon Vijay Abraham I wrote: Hi Jason, On 7/3/2020 12:46 PM, Jason Wang wrote: On 2020/7/2 下午9:35, Kishon Vijay Abraham I wrote: Hi Jason, On 7/2/2020 3:40 PM, Jason Wang wrote: On 2020/7/2 下午5:51, Michael S. Tsirkin wrote: On Thu, Jul 02, 2020 at 01:51:21PM +0530,

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-06 Thread Kishon Vijay Abraham I
Hi Jason, On 7/3/2020 12:46 PM, Jason Wang wrote: > > On 2020/7/2 下午9:35, Kishon Vijay Abraham I wrote: >> Hi Jason, >> >> On 7/2/2020 3:40 PM, Jason Wang wrote: >>> On 2020/7/2 下午5:51, Michael S. Tsirkin wrote: On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: >

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-03 Thread Jason Wang
On 2020/7/2 下午9:35, Kishon Vijay Abraham I wrote: Hi Jason, On 7/2/2020 3:40 PM, Jason Wang wrote: On 2020/7/2 下午5:51, Michael S. Tsirkin wrote: On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: This series enhances Linux Vhost support to enable SoC-to-SoC

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-03 Thread Kishon Vijay Abraham I
+Alan, Haotian On 7/2/2020 11:01 PM, Mathieu Poirier wrote: > On Thu, 2 Jul 2020 at 03:51, Michael S. Tsirkin wrote: >> >> On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: >>> This series enhances Linux Vhost support to enable SoC-to-SoC >>> communication over MMIO. This

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-02 Thread Mathieu Poirier
On Thu, 2 Jul 2020 at 03:51, Michael S. Tsirkin wrote: > > On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: > > This series enhances Linux Vhost support to enable SoC-to-SoC > > communication over MMIO. This series enables rpmsg communication between > > two SoCs using both

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-02 Thread Kishon Vijay Abraham I
Hi Jason, On 7/2/2020 3:40 PM, Jason Wang wrote: > > On 2020/7/2 下午5:51, Michael S. Tsirkin wrote: >> On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: >>> This series enhances Linux Vhost support to enable SoC-to-SoC >>> communication over MMIO. This series enables rpmsg

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-02 Thread Kishon Vijay Abraham I
Hi Michael, On 7/2/2020 3:21 PM, Michael S. Tsirkin wrote: > On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: >> This series enhances Linux Vhost support to enable SoC-to-SoC >> communication over MMIO. This series enables rpmsg communication between >> two SoCs using both

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-02 Thread Jason Wang
On 2020/7/2 下午5:51, Michael S. Tsirkin wrote: On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: This series enhances Linux Vhost support to enable SoC-to-SoC communication over MMIO. This series enables rpmsg communication between two SoCs using both PCIe RC<->EP and

Re: [RFC PATCH 00/22] Enhance VHOST to enable SoC-to-SoC communication

2020-07-02 Thread Michael S. Tsirkin
On Thu, Jul 02, 2020 at 01:51:21PM +0530, Kishon Vijay Abraham I wrote: > This series enhances Linux Vhost support to enable SoC-to-SoC > communication over MMIO. This series enables rpmsg communication between > two SoCs using both PCIe RC<->EP and HOST1-NTB-HOST2 > > 1) Modify vhost to use