Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-31 Thread Cornelia Huck
On Wed, 29 May 2019 09:47:57 -0400 Eric Farman wrote: > On 5/7/19 11:47 AM, Cornelia Huck wrote: > > A vfio-ccw device may provide an async command subregion for > > issuing halt/clear subchannel requests. If it is present, use > > it for sending halt/clear request to the device; if not, fall > >

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-29 Thread Eric Farman
On 5/29/19 5:48 AM, Cornelia Huck wrote: > On Tue, 21 May 2019 16:47:45 -0400 > Eric Farman wrote: > >> On 5/21/19 12:32 PM, Cornelia Huck wrote: > >>> Why mostly? I'm not sure yet whether we handling multiple requests for >>> passthrough devices correctly yet (virtual should be fine.) >>> >>

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-29 Thread Eric Farman
On 5/7/19 11:47 AM, Cornelia Huck wrote: > A vfio-ccw device may provide an async command subregion for > issuing halt/clear subchannel requests. If it is present, use > it for sending halt/clear request to the device; if not, fall > back to emulation (as done today). > > Signed-off-by: Corneli

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-29 Thread Cornelia Huck
On Tue, 21 May 2019 16:47:45 -0400 Eric Farman wrote: > On 5/21/19 12:32 PM, Cornelia Huck wrote: > > Why mostly? I'm not sure yet whether we handling multiple requests for > > passthrough devices correctly yet (virtual should be fine.) > > > > Start vs. (start|halt|clear) is fine, as the code

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-22 Thread Farhan Ali
On 05/22/2019 06:17 AM, Cornelia Huck wrote: On Tue, 21 May 2019 16:50:47 -0400 Farhan Ali wrote: On 05/07/2019 11:47 AM, Cornelia Huck wrote: A vfio-ccw device may provide an async command subregion for issuing halt/clear subchannel requests. If it is present, use it for sending halt/clea

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-22 Thread Cornelia Huck
On Tue, 21 May 2019 16:50:47 -0400 Farhan Ali wrote: > On 05/07/2019 11:47 AM, Cornelia Huck wrote: > > A vfio-ccw device may provide an async command subregion for > > issuing halt/clear subchannel requests. If it is present, use > > it for sending halt/clear request to the device; if not, fall

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-22 Thread Cornelia Huck
On Tue, 21 May 2019 16:51:27 -0400 Farhan Ali wrote: > On 05/21/2019 12:32 PM, Cornelia Huck wrote: > > On Mon, 20 May 2019 12:29:56 -0400 > > Eric Farman wrote: > > > >> On 5/7/19 11:47 AM, Cornelia Huck wrote: > >>> A vfio-ccw device may provide an async command subregion for > >>> issuin

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-21 Thread Farhan Ali
On 05/21/2019 12:32 PM, Cornelia Huck wrote: On Mon, 20 May 2019 12:29:56 -0400 Eric Farman wrote: On 5/7/19 11:47 AM, Cornelia Huck wrote: A vfio-ccw device may provide an async command subregion for issuing halt/clear subchannel requests. If it is present, use it for sending halt/clear r

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-21 Thread Farhan Ali
On 05/07/2019 11:47 AM, Cornelia Huck wrote: A vfio-ccw device may provide an async command subregion for issuing halt/clear subchannel requests. If it is present, use it for sending halt/clear request to the device; if not, fall back to emulation (as done today). Signed-off-by: Cornelia Huck

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-21 Thread Eric Farman
On 5/21/19 12:32 PM, Cornelia Huck wrote: > On Mon, 20 May 2019 12:29:56 -0400 > Eric Farman wrote: > >> On 5/7/19 11:47 AM, Cornelia Huck wrote: >>> A vfio-ccw device may provide an async command subregion for >>> issuing halt/clear subchannel requests. If it is present, use >>> it for sendin

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-21 Thread Cornelia Huck
On Mon, 20 May 2019 12:29:56 -0400 Eric Farman wrote: > On 5/7/19 11:47 AM, Cornelia Huck wrote: > > A vfio-ccw device may provide an async command subregion for > > issuing halt/clear subchannel requests. If it is present, use > > it for sending halt/clear request to the device; if not, fall > >

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-20 Thread Cornelia Huck
On Mon, 20 May 2019 12:29:56 -0400 Eric Farman wrote: > On 5/7/19 11:47 AM, Cornelia Huck wrote: > > A vfio-ccw device may provide an async command subregion for > > issuing halt/clear subchannel requests. If it is present, use > > it for sending halt/clear request to the device; if not, fall > >

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-20 Thread Eric Farman
On 5/20/19 4:42 AM, Cornelia Huck wrote: > On Tue, 7 May 2019 17:47:33 +0200 > Cornelia Huck wrote: > >> A vfio-ccw device may provide an async command subregion for >> issuing halt/clear subchannel requests. If it is present, use >> it for sending halt/clear request to the device; if not, fa

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-20 Thread Eric Farman
On 5/7/19 11:47 AM, Cornelia Huck wrote: > A vfio-ccw device may provide an async command subregion for > issuing halt/clear subchannel requests. If it is present, use > it for sending halt/clear request to the device; if not, fall > back to emulation (as done today). > > Signed-off-by: Corneli

Re: [Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-20 Thread Cornelia Huck
On Tue, 7 May 2019 17:47:33 +0200 Cornelia Huck wrote: > A vfio-ccw device may provide an async command subregion for > issuing halt/clear subchannel requests. If it is present, use > it for sending halt/clear request to the device; if not, fall > back to emulation (as done today). > > Signed-o

[Qemu-devel] [PATCH v4 2/2] vfio-ccw: support async command subregion

2019-05-07 Thread Cornelia Huck
A vfio-ccw device may provide an async command subregion for issuing halt/clear subchannel requests. If it is present, use it for sending halt/clear request to the device; if not, fall back to emulation (as done today). Signed-off-by: Cornelia Huck --- hw/s390x/css.c | 27 +++--