Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-08 Thread Stefan Hajnoczi
On Wed, Jul 07, 2021 at 05:09:13PM +0800, Yongji Xie wrote: > On Tue, Jul 6, 2021 at 6:22 PM Stefan Hajnoczi wrote: > > > > On Tue, Jul 06, 2021 at 11:04:18AM +0800, Yongji Xie wrote: > > > On Mon, Jul 5, 2021 at 8:50 PM Stefan Hajnoczi > > > wrote: > > > > > > > > On Mon, Jul 05, 2021 at

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-08 Thread Stefan Hajnoczi
On Thu, Jul 08, 2021 at 12:17:56PM +0800, Jason Wang wrote: > > 在 2021/7/7 下午11:54, Stefan Hajnoczi 写道: > > On Wed, Jul 07, 2021 at 05:24:08PM +0800, Jason Wang wrote: > > > 在 2021/7/7 下午4:55, Stefan Hajnoczi 写道: > > > > On Wed, Jul 07, 2021 at 11:43:28AM +0800, Jason Wang wrote: > > > > > 在

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-07 Thread Jason Wang
在 2021/7/7 下午11:54, Stefan Hajnoczi 写道: On Wed, Jul 07, 2021 at 05:24:08PM +0800, Jason Wang wrote: 在 2021/7/7 下午4:55, Stefan Hajnoczi 写道: On Wed, Jul 07, 2021 at 11:43:28AM +0800, Jason Wang wrote: 在 2021/7/7 上午1:11, Stefan Hajnoczi 写道: On Tue, Jul 06, 2021 at 09:08:26PM +0800, Jason Wang

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-07 Thread Stefan Hajnoczi
On Wed, Jul 07, 2021 at 05:24:08PM +0800, Jason Wang wrote: > > 在 2021/7/7 下午4:55, Stefan Hajnoczi 写道: > > On Wed, Jul 07, 2021 at 11:43:28AM +0800, Jason Wang wrote: > > > 在 2021/7/7 上午1:11, Stefan Hajnoczi 写道: > > > > On Tue, Jul 06, 2021 at 09:08:26PM +0800, Jason Wang wrote: > > > > > On Tue,

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-07 Thread Jason Wang
在 2021/7/7 下午4:55, Stefan Hajnoczi 写道: On Wed, Jul 07, 2021 at 11:43:28AM +0800, Jason Wang wrote: 在 2021/7/7 上午1:11, Stefan Hajnoczi 写道: On Tue, Jul 06, 2021 at 09:08:26PM +0800, Jason Wang wrote: On Tue, Jul 6, 2021 at 6:15 PM Stefan Hajnoczi wrote: On Tue, Jul 06, 2021 at 10:34:33AM

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-06 Thread Stefan Hajnoczi
On Tue, Jul 06, 2021 at 11:04:18AM +0800, Yongji Xie wrote: > On Mon, Jul 5, 2021 at 8:50 PM Stefan Hajnoczi wrote: > > > > On Mon, Jul 05, 2021 at 11:36:15AM +0800, Jason Wang wrote: > > > > > > 在 2021/7/4 下午5:49, Yongji Xie 写道: > > > > > > OK, I get you now. Since the VIRTIO specification says

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-06 Thread Stefan Hajnoczi
On Tue, Jul 06, 2021 at 10:34:33AM +0800, Jason Wang wrote: > > 在 2021/7/5 下午8:49, Stefan Hajnoczi 写道: > > On Mon, Jul 05, 2021 at 11:36:15AM +0800, Jason Wang wrote: > > > 在 2021/7/4 下午5:49, Yongji Xie 写道: > > > > > > OK, I get you now. Since the VIRTIO specification says "Device > > > > > >

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-05 Thread Jason Wang
在 2021/7/5 下午8:49, Stefan Hajnoczi 写道: On Mon, Jul 05, 2021 at 11:36:15AM +0800, Jason Wang wrote: 在 2021/7/4 下午5:49, Yongji Xie 写道: OK, I get you now. Since the VIRTIO specification says "Device configuration space is generally used for rarely-changing or initialization-time parameters". I

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-05 Thread Stefan Hajnoczi
On Mon, Jul 05, 2021 at 11:36:15AM +0800, Jason Wang wrote: > > 在 2021/7/4 下午5:49, Yongji Xie 写道: > > > > OK, I get you now. Since the VIRTIO specification says "Device > > > > configuration space is generally used for rarely-changing or > > > > initialization-time parameters". I assume the

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-04 Thread Jason Wang
在 2021/7/4 下午5:49, Yongji Xie 写道: OK, I get you now. Since the VIRTIO specification says "Device configuration space is generally used for rarely-changing or initialization-time parameters". I assume the VDUSE_DEV_SET_CONFIG ioctl should not be called frequently. The spec uses MUST and other

Re: Re: Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-07-01 Thread Stefan Hajnoczi
On Thu, Jul 01, 2021 at 06:00:48PM +0800, Yongji Xie wrote: > On Wed, Jun 30, 2021 at 6:06 PM Stefan Hajnoczi wrote: > > > > On Tue, Jun 29, 2021 at 01:43:11PM +0800, Yongji Xie wrote: > > > On Mon, Jun 28, 2021 at 9:02 PM Stefan Hajnoczi > > > wrote: > > > > On Tue, Jun 15, 2021 at 10:13:31PM

Re: Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-06-30 Thread Stefan Hajnoczi
On Tue, Jun 29, 2021 at 01:43:11PM +0800, Yongji Xie wrote: > On Mon, Jun 28, 2021 at 9:02 PM Stefan Hajnoczi wrote: > > On Tue, Jun 15, 2021 at 10:13:31PM +0800, Xie Yongji wrote: > > > + static void *iova_to_va(int dev_fd, uint64_t iova, uint64_t *len) > > > + { > > > + int

Re: [PATCH v8 10/10] Documentation: Add documentation for VDUSE

2021-06-28 Thread Stefan Hajnoczi
On Tue, Jun 15, 2021 at 10:13:31PM +0800, Xie Yongji wrote: > VDUSE (vDPA Device in Userspace) is a framework to support > implementing software-emulated vDPA devices in userspace. This > document is intended to clarify the VDUSE design and usage. > > Signed-off-by: Xie Yongji > --- >