Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Rijo Thomas
On 9/26/2023 6:02 PM, Sumit Garg wrote: > +cc OP-TEE ML > > On Tue, 26 Sept 2023 at 13:47, Rijo Thomas wrote: >> >> On 9/26/2023 1:19 PM, Sumit Garg wrote: >>> On Tue, 26 Sept 2023 at 12:53, Rijo Thomas wrote: On 9/26/2023 12:14 PM, Sumit Garg wrote: > +cc Alex > > On

Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Sumit Garg
+cc OP-TEE ML On Tue, 26 Sept 2023 at 13:47, Rijo Thomas wrote: > > On 9/26/2023 1:19 PM, Sumit Garg wrote: > > On Tue, 26 Sept 2023 at 12:53, Rijo Thomas wrote: > >> > >> On 9/26/2023 12:14 PM, Sumit Garg wrote: > >>> +cc Alex > >>> > >>> On Tue, 26 Sept 2023 at 08:16, Jens Wiklander > >>>

Re: [virtio-dev] Re: [VIRTIO PCI PATCH v5 1/1] transport-pci: Add freeze_mode to virtio_pci_common_cfg

2023-09-26 Thread Michael S. Tsirkin
On Tue, Sep 26, 2023 at 11:37:37AM +, Parav Pandit wrote: > Hi Jiqian, > > > From: Chen, Jiqian > > Sent: Tuesday, September 26, 2023 4:30 PM > > > It is not to trigger resume behavior to device by setting unfreeze in my > > scenario. > > You may misunderstand my intention. > > In current

RE: [virtio-dev] Re: [VIRTIO PCI PATCH v5 1/1] transport-pci: Add freeze_mode to virtio_pci_common_cfg

2023-09-26 Thread Parav Pandit
Hi Jiqian, > From: Chen, Jiqian > Sent: Tuesday, September 26, 2023 4:30 PM > It is not to trigger resume behavior to device by setting unfreeze in my > scenario. > You may misunderstand my intention. > In current kernel and qemu code, it will trigger reset device behavior by > setting >

Re: [virtio-dev] Re: [VIRTIO PCI PATCH v5 1/1] transport-pci: Add freeze_mode to virtio_pci_common_cfg

2023-09-26 Thread Michael S. Tsirkin
On Tue, Sep 26, 2023 at 11:00:28AM +, Chen, Jiqian wrote: > On 2023/9/26 10:51, Jason Wang wrote: > > On Tue, Sep 26, 2023 at 10:24 AM Chen, Jiqian wrote: > >> > >> On 2023/9/25 10:52, Jason Wang wrote: > >>> On Fri, Sep 22, 2023 at 4:07 PM Chen, Jiqian wrote: > > Hi Jason, >

Re: [virtio-dev] Re: [VIRTIO PCI PATCH v5 1/1] transport-pci: Add freeze_mode to virtio_pci_common_cfg

2023-09-26 Thread Chen, Jiqian
On 2023/9/26 10:51, Jason Wang wrote: > On Tue, Sep 26, 2023 at 10:24 AM Chen, Jiqian wrote: >> >> On 2023/9/25 10:52, Jason Wang wrote: >>> On Fri, Sep 22, 2023 at 4:07 PM Chen, Jiqian wrote: Hi Jason, On 2023/9/22 11:17, Jason Wang wrote: > On Thu, Sep 21, 2023 at 2:28 

Re: [virtio-dev] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state

2023-09-26 Thread Michael S. Tsirkin
On Tue, Sep 26, 2023 at 05:25:42PM +0800, Zhu, Lingshan wrote: > We don't want to repeat the discussions, it looks like endless circle with > no direction. OK let me try to direct this discussion. You guys were speaking past each other, no dialog is happening. And as long as it goes on no

Re: [virtio-dev] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state

2023-09-26 Thread Zhu, Lingshan
On 9/26/2023 2:03 PM, Parav Pandit wrote: From: Zhu, Lingshan Sent: Tuesday, September 26, 2023 11:07 AM 1. cover letter is missing the problem statement and use case I only reply to this section of comments, this does not mean I agree with you on your other statements, Instead I agree

Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Rijo Thomas
On 9/26/2023 1:19 PM, Sumit Garg wrote: > On Tue, 26 Sept 2023 at 12:53, Rijo Thomas wrote: >> >> On 9/26/2023 12:14 PM, Sumit Garg wrote: >>> +cc Alex >>> >>> On Tue, 26 Sept 2023 at 08:16, Jens Wiklander >>> wrote: Hi, [+cc Arnd] On Tue, Sep 26, 2023 at 8:00 

Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Sumit Garg
On Tue, 26 Sept 2023 at 12:53, Rijo Thomas wrote: > > On 9/26/2023 12:14 PM, Sumit Garg wrote: > > +cc Alex > > > > On Tue, 26 Sept 2023 at 08:16, Jens Wiklander > > wrote: > >> > >> Hi, > >> > >> [+cc Arnd] > >> > >> On Tue, Sep 26, 2023 at 8:00 AM Sumit Garg wrote: > >>> > >>> +cc Jens > >>>

Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Rijo Thomas
On 9/26/2023 12:14 PM, Sumit Garg wrote: > +cc Alex > > On Tue, 26 Sept 2023 at 08:16, Jens Wiklander > wrote: >> >> Hi, >> >> [+cc Arnd] >> >> On Tue, Sep 26, 2023 at 8:00 AM Sumit Garg wrote: >>> >>> +cc Jens >>> In a virtual environment, an application running in guest VM may want

Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Sumit Garg
+cc Alex On Tue, 26 Sept 2023 at 08:16, Jens Wiklander wrote: > > Hi, > > [+cc Arnd] > > On Tue, Sep 26, 2023 at 8:00 AM Sumit Garg wrote: > > > > +cc Jens > > > > > In a virtual environment, an application running in guest VM may want > > > to delegate security sensitive tasks to a Trusted

RE: [virtio-dev] Re: [PATCH 0/5] virtio: introduce SUSPEND bit and vq state

2023-09-26 Thread Parav Pandit
> From: Zhu, Lingshan > Sent: Tuesday, September 26, 2023 11:07 AM > > 1. cover letter is missing the problem statement and use case > I only reply to this section of comments, this does not mean I agree with you > on > your other statements, Instead I agree with Jason on his replies to you.

Re: [virtio-dev] [PATCH v2] virtio-tee: Reserve device ID 46 for TEE device

2023-09-26 Thread Sumit Garg
+cc Jens In a virtual environment, an application running in guest VM may want to delegate security sensitive tasks to a Trusted Application (TA) running within a Trusted Execution Environment (TEE). A TEE is a trusted OS running in some secure environment, for example, TrustZone on ARM CPUs,