Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-11-03 Thread Stefan Hajnoczi
On Wed, Oct 25, 2017 at 01:34:39AM +, Liu, Changpeng wrote: > > > > -Original Message- > > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > > Sent: Tuesday, October 24, 2017 8:53 PM > > To: Liu, Changpeng > > Cc: qemu-devel@nongnu.org;

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-24 Thread Liu, Changpeng
> -Original Message- > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > Sent: Tuesday, October 24, 2017 8:53 PM > To: Liu, Changpeng > Cc: qemu-devel@nongnu.org; pbonz...@redhat.com; m...@redhat.com; > marcandre.lur...@redhat.com; fel...@nutanix.com; Harris,

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-24 Thread Stefan Hajnoczi
On Tue, Oct 24, 2017 at 12:44:30AM +, Liu, Changpeng wrote: > > > > -Original Message- > > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > > Sent: Tuesday, October 24, 2017 1:12 AM > > To: Liu, Changpeng > > Cc: qemu-devel@nongnu.org;

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-23 Thread Liu, Changpeng
> -Original Message- > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > Sent: Tuesday, October 24, 2017 1:12 AM > To: Liu, Changpeng > Cc: qemu-devel@nongnu.org; pbonz...@redhat.com; m...@redhat.com; > marcandre.lur...@redhat.com; fel...@nutanix.com; Harris,

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-23 Thread Liu, Changpeng
> -Original Message- > From: Michael S. Tsirkin [mailto:m...@redhat.com] > Sent: Monday, October 23, 2017 8:55 PM > To: Liu, Changpeng > Cc: Stefan Hajnoczi ; qemu-devel@nongnu.org; > pbonz...@redhat.com; marcandre.lur...@redhat.com;

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-23 Thread Stefan Hajnoczi
On Mon, Oct 23, 2017 at 04:26:36AM +, Liu, Changpeng wrote: > > > > -Original Message- > > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > > Sent: Friday, October 20, 2017 5:55 PM > > To: Liu, Changpeng > > Cc: qemu-devel@nongnu.org; pbonz...@redhat.com;

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-23 Thread Michael S. Tsirkin
On Mon, Oct 23, 2017 at 04:26:36AM +, Liu, Changpeng wrote: > > > > -Original Message- > > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > > Sent: Friday, October 20, 2017 5:55 PM > > To: Liu, Changpeng > > Cc: qemu-devel@nongnu.org; pbonz...@redhat.com;

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-22 Thread Liu, Changpeng
> -Original Message- > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > Sent: Friday, October 20, 2017 5:55 PM > To: Liu, Changpeng > Cc: qemu-devel@nongnu.org; pbonz...@redhat.com; m...@redhat.com; > marcandre.lur...@redhat.com; fel...@nutanix.com; Harris,

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-20 Thread Stefan Hajnoczi
On Fri, Oct 20, 2017 at 01:47:58AM +, Liu, Changpeng wrote: > > > +static Property vhost_user_blk_properties[] = { > > > +DEFINE_PROP_CHR("chardev", VHostUserBlk, chardev), > > > +DEFINE_PROP_UINT16("num_queues", VHostUserBlk, num_queues, 1), > > > +DEFINE_PROP_UINT32("queue_size",

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-19 Thread Liu, Changpeng
> -Original Message- > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > Sent: Thursday, October 19, 2017 11:18 PM > To: Liu, Changpeng > Cc: qemu-devel@nongnu.org; pbonz...@redhat.com; m...@redhat.com; > marcandre.lur...@redhat.com; fel...@nutanix.com;

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-19 Thread Liu, Changpeng
> -Original Message- > From: Paolo Bonzini [mailto:pbonz...@redhat.com] > Sent: Thursday, October 19, 2017 7:33 PM > To: Liu, Changpeng ; qemu-devel@nongnu.org > Cc: stefa...@gmail.com; m...@redhat.com; marcandre.lur...@redhat.com; > fel...@nutanix.com; Harris,

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-19 Thread Stefan Hajnoczi
On Thu, Oct 19, 2017 at 01:24:08PM +0800, Changpeng Liu wrote: > This commit introduces a new vhost-user device for block, it uses a > chardev to connect with the backend, same with Qemu virito-blk device, > Guest OS still uses the virtio-blk frontend driver. > > To use it, start Qemu with

Re: [Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-19 Thread Paolo Bonzini
On 19/10/2017 07:24, Changpeng Liu wrote: >;; >--enable-vhost-scsi) vhost_scsi="yes" >;; > + --disable-vhost-user-blk) vhost_user_blk="no" > + ;; > + --enable-vhost-user-blk) vhost_user_blk="yes" > + ;; >--disable-vhost-vsock) vhost_vsock="no" >;; >--enable-vhost-vsock)

[Qemu-devel] [PATCH v4 2/4] vhost-user-blk: introduce a new vhost-user-blk host device

2017-10-18 Thread Changpeng Liu
This commit introduces a new vhost-user device for block, it uses a chardev to connect with the backend, same with Qemu virito-blk device, Guest OS still uses the virtio-blk frontend driver. To use it, start Qemu with command line like this: qemu-system-x86_64 \ -chardev