Commit 259a4f0a authored by Yi Min Zhao's avatar Yi Min Zhao Committed by Cornelia Huck
Browse files

s390x/pci: fix s390_pci_sclp_deconfigure 



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

Signed-off-by: default avatarYi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: default avatarPierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
parent df6a050c

hw/s390x/s390-pci-bus.c

+7 −0
Original line number Diff line number Diff line
@@ -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;

        }