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13 Commits

Author SHA1 Message Date
Laurent Vivier
a23a6d1839 virtio-rng: stop virtqueue while the CPU is stopped 
If we modify the virtio-rng virqueue while the
vmstate is already migrated we can have some
inconsistencies between the virtqueue state and
the memory content.

To avoid this, stop the virtqueue while the CPU
is stopped.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by:  Amit Shah <amit@kernel.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
 2017-04-21 12:25:40 +02:00
Markus Armbruster
2a6a4076e1 Clean up ill-advised or unusual header guards 
Cleaned up with scripts/clean-header-guards.pl.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
 2016-07-12 16:20:46 +02:00
Wei Jiangang
cde6361534 rng-random: rename RndRandom to RngRandom 
Usually, Random Number Generator is abbreviated to RNG/rng.
so replacing RndRandom with RngRandom seems more reasonable
and keep consistent with RngBackend.

Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com>
Reviewed-by: Pankaj Gupta <pagupta@redhat.com>
Message-Id: <1460684168-5403-1-git-send-email-weijg.fnst@cn.fujitsu.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
 2016-05-23 12:18:43 +05:30
Pankaj Gupta
621a20e081 virtio-rng: trigger timer only when guest requests for entropy 
This patch triggers timer only when guest requests for
entropy. As soon as first request from guest for entropy
comes we set the timer. Timer bumps up the quota value
when it gets triggered.

Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Message-Id: <1436962608-9961-2-git-send-email-pagupta@redhat.com>

[Re-worded patch subject, removed extra whitespace -- Amit]

Signed-off-by: Amit Shah <amit.shah@redhat.com>
 2015-07-17 19:05:16 +05:30
Shannon Zhao
fe704809b9 virtio-rng: move qdev properties into virtio-rng.c 
As only one place in virtio-rng.c uses DEFINE_VIRTIO_RNG_PROPERTIES,
there is no need to expose it. Inline it into virtio-rng.c to avoid
wrongly use.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 2015-06-10 18:15:34 +02:00
Michael S. Tsirkin
3e96b2db08 virtio-rng: use standard-headers 
Drop duplicated code.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
 2015-02-26 13:04:04 +01:00
Andreas Färber
a8d57dfb28 virtio-rng: Convert to QOM realize 
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2013-12-09 21:46:49 +01:00
KONRAD Frederic
611aa333b4 virtio-rng: cleanup: use QOM casts. 
As the virtio-rng-pci, virtio-rng-s390 and virtio-rng-ccw are
switched to the new API, we can use QOM casts.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-9-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2013-04-24 11:50:20 -05:00
KONRAD Frederic
65f3b678f5 virtio-rng: cleanup: remove qdev field. 
The qdev field is no longer needed, just drop it.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-8-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2013-04-24 11:50:19 -05:00
KONRAD Frederic
6eac8aec02 virtio-rng: add virtio-rng device. 
Create virtio-rng-device which extends virtio-device, so it can be connected on
virtio-bus.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2013-04-24 11:50:19 -05:00
KONRAD Frederic
af1a8ad646 virtio-rng: don't use pointer for configuration. 
The configuration field must not be a pointer as it will be used for
virtio-rng properties. So *conf is replaced by conf.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2013-04-24 11:50:19 -05:00
Paolo Bonzini
dccfcd0e5f sysemu: avoid proliferation of include/ subdirectories 
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2013-04-15 18:19:25 +02:00
Paolo Bonzini
0d09e41a51 hw: move headers to include/ 
Many of these should be cleaned up with proper qdev-/QOM-ification.
Right now there are many catch-all headers in include/hw/ARCH depending
on cpu.h, and this makes it necessary to compile these files per-target.
However, fixing this does not belong in these patches.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2013-04-08 18:13:10 +02:00