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vfio: move re-enabling INTX out of the common helper 

Move re-enabling INTX out, and the callers should decide to
re-enable it or not.

Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Link: https://lore.kernel.org/r/20220326060226.1892-3-longpeng2@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Longpeng(Mike) 2022-03-26 14:02:23 +08:00 committed by Alex Williamson
parent a6f5770fb2
commit be4a46eccf
1 changed files with 11 additions and 6 deletions
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17
hw/vfio/pci.c
View File

@ -693,7 +693,6 @@ retry:
static void vfio_msi_disable_common(VFIOPCIDevice *vdev)
{
Error *err = NULL;
int i;
for (i = 0; i < vdev->nr_vectors; i++) {
@ -712,15 +711,11 @@ static void vfio_msi_disable_common(VFIOPCIDevice *vdev)
vdev->msi_vectors = NULL;
vdev->nr_vectors = 0;
vdev->interrupt = VFIO_INT_NONE;
vfio_intx_enable(vdev, &err);
if (err) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
}
static void vfio_msix_disable(VFIOPCIDevice *vdev)
{
Error *err = NULL;
int i;
msix_unset_vector_notifiers(&vdev->pdev);
@ -741,6 +736,10 @@ static void vfio_msix_disable(VFIOPCIDevice *vdev)
}
vfio_msi_disable_common(vdev);
vfio_intx_enable(vdev, &err);
if (err) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
memset(vdev->msix->pending, 0,
BITS_TO_LONGS(vdev->msix->entries) * sizeof(unsigned long));
@ -750,8 +749,14 @@ static void vfio_msix_disable(VFIOPCIDevice *vdev)
static void vfio_msi_disable(VFIOPCIDevice *vdev)
{
Error *err = NULL;
vfio_disable_irqindex(&vdev->vbasedev, VFIO_PCI_MSI_IRQ_INDEX);
vfio_msi_disable_common(vdev);
vfio_intx_enable(vdev, &err);
if (err) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
trace_vfio_msi_disable(vdev->vbasedev.name);
}