From: Pierre Morel <pmorel@linux.ibm.com>
To: Cornelia Huck <cohuck@redhat.com>,
Halil Pasic <pasic@linux.ibm.com>,
Eric Farman <farman@linux.ibm.com>,
Farhan Ali <alifm@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, qemu-s390x@nongnu.org,
Alex Williamson <alex.williamson@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [PATCH 1/3] vfio-ccw: add capabilities chain
Date: Fri, 23 Nov 2018 13:28:25 +0100 [thread overview]
Message-ID: <853a8421-af17-5130-51b7-3242cc10b989@linux.ibm.com> (raw)
In-Reply-To: <20181122165432.4437-2-cohuck@redhat.com>
On 22/11/2018 17:54, Cornelia Huck wrote:
> Allow to extend the regions used by vfio-ccw. The first user will be
> handling of halt and clear subchannel.
>
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
> drivers/s390/cio/vfio_ccw_ops.c | 182 ++++++++++++++++++++++++----
> drivers/s390/cio/vfio_ccw_private.h | 38 ++++++
> include/uapi/linux/vfio.h | 1 +
> 3 files changed, 195 insertions(+), 26 deletions(-)
>
Halt and clear have no parameters (the sub-channel ID is obviously the
one of the mediated device).
Isn't adding a new sub-region for the purpose of handling halt and clear
superfluous?
What is the reason not to use simple ioctls ?
Regards,
Pierre
--
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany
next prev parent reply other threads:[~2018-11-23 12:28 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-22 16:54 [PATCH 0/3] vfio-ccw: support hsch/csch (kernel part) Cornelia Huck
2018-11-22 16:54 ` [PATCH 1/3] vfio-ccw: add capabilities chain Cornelia Huck
2018-11-23 12:28 ` Pierre Morel [this message]
2018-11-23 12:45 ` Cornelia Huck
2018-11-23 13:26 ` Pierre Morel
2018-11-27 19:04 ` Farhan Ali
2018-11-28 9:05 ` Cornelia Huck
2018-12-17 21:53 ` Eric Farman
2018-12-18 17:24 ` Cornelia Huck
2018-12-18 17:56 ` Eric Farman
2018-12-19 16:28 ` Alex Williamson
2018-12-21 11:12 ` Cornelia Huck
2018-11-22 16:54 ` [PATCH 2/3] s390/cio: export hsch to modules Cornelia Huck
2018-11-23 12:30 ` Pierre Morel
2018-11-22 16:54 ` [PATCH 3/3] vfio-ccw: add handling for asnyc channel instructions Cornelia Huck
2018-11-23 13:08 ` Pierre Morel
2018-11-26 9:47 ` Cornelia Huck
2018-11-27 19:09 ` Farhan Ali
2018-11-28 9:02 ` Cornelia Huck
2018-11-28 14:31 ` Farhan Ali
2018-11-28 14:52 ` Cornelia Huck
2018-11-28 15:00 ` Farhan Ali
2018-11-28 15:35 ` Cornelia Huck
2018-11-28 15:55 ` Farhan Ali
2019-01-18 13:53 ` Cornelia Huck
2018-11-27 19:57 ` Farhan Ali
2018-11-28 8:41 ` Cornelia Huck
2018-11-28 16:36 ` [qemu-s390x] " Halil Pasic
2018-11-29 16:52 ` Cornelia Huck
2018-11-29 17:24 ` Halil Pasic
2018-12-17 21:54 ` Eric Farman
2018-12-18 16:45 ` Cornelia Huck
2018-11-24 21:07 ` [qemu-s390x] [PATCH 0/3] vfio-ccw: support hsch/csch (kernel part) Halil Pasic
2018-11-26 9:26 ` Cornelia Huck
2018-11-26 18:57 ` Farhan Ali
2018-11-26 19:00 ` Cornelia Huck
2018-12-04 12:38 ` Halil Pasic
2018-12-04 13:11 ` Cornelia Huck
2018-12-04 15:02 ` Halil Pasic
2018-12-05 12:54 ` Cornelia Huck
2018-12-05 18:34 ` Farhan Ali
2018-12-06 14:39 ` Cornelia Huck
2018-12-06 15:26 ` Farhan Ali
2018-12-06 16:21 ` Cornelia Huck
2018-12-06 17:50 ` Farhan Ali
2018-12-07 9:34 ` Cornelia Huck
2018-12-06 18:47 ` Halil Pasic
2018-12-07 10:05 ` Cornelia Huck
2018-12-07 15:49 ` Halil Pasic
2018-12-07 16:54 ` Halil Pasic
2018-12-19 11:54 ` Cornelia Huck
2018-12-19 14:17 ` Halil Pasic
2018-12-21 11:23 ` Cornelia Huck
2018-12-21 12:42 ` Halil Pasic
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