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vfio/pci: vfio_pci_vector_init

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Extract a subroutine vfio_pci_vector_init.  No functional change.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/1749569991-25171-13-git-send-email-steven.sistare@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Steve Sistare 2025-06-10 08:39:25 -07:00 • committed by Cédric Le Goater
parent 031fbb7110
commit 906f524ef1
1 changed files with 17 additions and 7 deletions
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24
hw/vfio/pci.c
View file

@ -531,6 +531,22 @@ static void set_irq_signalling(VFIODevice *vbasedev, VFIOMSIVector *vector,
}
}
static void vfio_pci_vector_init(VFIOPCIDevice *vdev, int nr)
{
VFIOMSIVector *vector = &vdev->msi_vectors[nr];
PCIDevice *pdev = &vdev->pdev;
vector->vdev = vdev;
vector->virq = -1;
if (event_notifier_init(&vector->interrupt, 0)) {
error_report("vfio: Error: event_notifier_init failed");
}
vector->use = true;
if (vdev->interrupt == VFIO_INT_MSIX) {
msix_vector_use(pdev, nr);
}
}
static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr,
MSIMessage *msg, IOHandler *handler)
{
@ -544,13 +560,7 @@ static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr,
vector = &vdev->msi_vectors[nr];
if (!vector->use) {
vector->vdev = vdev;
vector->virq = -1;
if (event_notifier_init(&vector->interrupt, 0)) {
error_report("vfio: Error: event_notifier_init failed");
}
vector->use = true;
msix_vector_use(pdev, nr);
vfio_pci_vector_init(vdev, nr);
}
qemu_set_fd_handler(event_notifier_get_fd(&vector->interrupt),