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s390x/pci: fix s390_pci_sclp_deconfigure

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When deconfiguring a s390 pci device, we should deconfigure the
corresponding IOMMU memory region and the IRQs for the device.

Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Yi Min Zhao 2016-04-28 13:22:51 +08:00 committed by Cornelia Huck
parent df6a050c82
commit 259a4f0a76
1 changed files with 7 additions and 0 deletions
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7
hw/s390x/s390-pci-bus.c
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@ -15,6 +15,7 @@
#include "qemu-common.h"
#include "cpu.h"
#include "s390-pci-bus.h"
#include "s390-pci-inst.h"
#include <hw/pci/pci_bus.h>
#include <hw/pci/msi.h>
#include <qemu/error-report.h>
@ -137,6 +138,12 @@ void s390_pci_sclp_deconfigure(SCCB *sccb)
if (!pbdev->configured) {
rc = SCLP_RC_NO_ACTION_REQUIRED;
} else {
if (pbdev->summary_ind) {
pci_dereg_irqs(pbdev);
}
if (pbdev->iommu_enabled) {
pci_dereg_ioat(pbdev);
}
pbdev->configured = false;
rc = SCLP_RC_NORMAL_COMPLETION;
}