qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Pierre Morel <pmorel@linux.ibm.com>
To: borntraeger@de.ibm.com
Cc: cohuck@redhat.com, agraf@suse.de, rth@twiddle.net,
	david@redhat.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
	peter.maydell@linaro.org, pbonzini@redhat.com, mst@redhat.com,
	eric.auger@redhat.com, akrowiak@linux.ibm.com,
	pasic@linux.ibm.com
Subject: [Qemu-devel] [PATCH v3] [RFC] s390x/vfio: VFIO-AP interrupt control interception
Date: Thu, 14 Feb 2019 13:14:53 +0100	[thread overview]
Message-ID: <1550146494-21085-1-git-send-email-pmorel@linux.ibm.com> (raw)

This QEMU patch is to be used in conjonction with the following patch
series in LINUX.

vfio: ap: ioctl definitions for AP Queue Interrupt Control

The LINUX patch series handle all the interception in KVM
and we do not need to take care of the interception in QEMU.

The goal of this patch is to define the apqi CPU feature which
will be proposed by KVM when the AP Interrupt Control facility
is to be available in the guest.

This feature must be turned on by QEMU to intercept AP instructions
on the KVM guest.
The QEMU command line to turn this feature on looks something like:

    qemu-system-s390x ... -cpu xxx,apqi=on ...


Pierre Morel (1):
  s390x/cpumodel: Set up CPU model for AQIC interception

 target/s390x/cpu_features.c     | 1 +
 target/s390x/cpu_features_def.h | 1 +
 target/s390x/cpu_models.c       | 1 +
 target/s390x/gen-features.c     | 1 +
 4 files changed, 4 insertions(+)

-- 
2.7.4

             reply	other threads:[~2019-02-14 12:15 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-14 12:14 Pierre Morel [this message]
2019-02-14 12:14 ` [Qemu-devel] [PATCH v3] s390x/cpumodel: Set up CPU model for AQIC interception Pierre Morel
2019-02-15  9:53   ` Pierre Morel
2019-02-15  9:58     ` Christian Borntraeger
2019-02-15 11:00       ` Pierre Morel
2019-02-15 13:52   ` David Hildenbrand

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1550146494-21085-1-git-send-email-pmorel@linux.ibm.com \
    --to=pmorel@linux.ibm.com \
    --cc=agraf@suse.de \
    --cc=akrowiak@linux.ibm.com \
    --cc=borntraeger@de.ibm.com \
    --cc=cohuck@redhat.com \
    --cc=david@redhat.com \
    --cc=eric.auger@redhat.com \
    --cc=mst@redhat.com \
    --cc=pasic@linux.ibm.com \
    --cc=pbonzini@redhat.com \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-s390x@nongnu.org \
    --cc=rth@twiddle.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).