Commit Graph

9 Commits

Author SHA1 Message Date
Claudio Imbrenda 1ffed98f24 s390x/sclp: clean up sclp masks
Introduce an sccb_mask_t to be used for SCLP event masks instead of just
unsigned int or uint32_t. This will allow later to extend the mask with
more ease.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Message-Id: <1519407778-23095-3-git-send-email-imbrenda@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-03-08 15:49:23 +01:00
Cornelia Huck 7aa4d85d29 s390x/sclp: mark sclp-cpu-hotplug as non-usercreatable
A TYPE_SCLP_CPU_HOTPLUG device for handling cpu hotplug events
is already created by the sclp event facility. Adding a second
TYPE_SCLP_CPU_HOTPLUG device via -device sclp-cpu-hotplug creates
an ambiguity in raise_irq_cpu_hotplug(), leading to a crash once
a cpu is hotplugged.

To fix this, disallow creating a sclp-cpu-hotplug device manually.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2017-10-06 10:53:02 +02:00
David Hildenbrand e654ca84b6 s390x: drop inclusion of sysemu/kvm.h from some files
s390-stattrib.c needs definition of TARGET_PAGE_SIZE, solve it via cpu.h.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170818114353.13455-8-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2017-08-30 18:23:25 +02:00
Peter Maydell 9615495afc s390: Clean up includes
Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1453832250-766-8-git-send-email-peter.maydell@linaro.org
2016-01-29 15:07:22 +00:00
David Hildenbrand 35925a7a73 s390/sclp: replace sclp event types with proper defines
Introduce TYPE_SCLP_QUIESCE and make use of it. Also use
TYPE_SCLP_CPU_HOTPLUG where applicable.

Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-09-07 16:10:43 +02:00
David Hildenbrand 073f57ae34 sclp/s390: rework sclp cpu hotplug device notification
Let's get rid of this strange local variable + irq logic and
work directly on the QOM. (hint: what happens if two such devices
are created?)

We could introduce proper QOM class + state for the cpu hotplug device,
however that would result in too much overhead for a simple
"trigger_signal" function.

Also remove one unnecessary class function initialization.

Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-09-07 16:10:43 +02:00
Cornelia Huck 183f6b8d7e sclp: sort into categories
Sort the sclp consoles into the input category, just as virtio-serial.
Various other sclp devices don't have an obvious category, sort them
into misc.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-04-30 13:21:41 +02:00
Christian Borntraeger 7b53f2940e s390x/cpu hotplug: Fix memory leak
valgrind complains about the following:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 88 of 833
==42117==    at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117==    by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117==    by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117==    by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117==    by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117==    by 0x8029FA4B: irq_cpu_hotplug_init (sclpcpu.c:84)
==42117==    by 0x80297C79: event_realize (event-facility.c:386)
==42117==    by 0x80105071: device_set_realized (qdev.c:693)
[...]

Right it is. Don't drop the pointer of the irq.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@us.ibm.com>
2014-03-17 22:01:19 +01:00
Jason J. Herne 492044581c s390-sclp: SCLP Event integration
Add an sclp event for "cpu was hot plugged".  This allows Qemu to deliver an
SCLP interrupt to the guest stating that the requested cpu hotplug was
completed.

Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2014-01-21 16:48:39 +01:00