From: Steve Sistare <steven.sist...@oracle.com> Extend vfio_pci_msi_set_handler() so it can set or clear the handler. Add a similar accessor for INTx. No functional change.
Signed-off-by: Steve Sistare <steven.sist...@oracle.com> Reviewed-by: Cédric Le Goater <c...@redhat.com> Link: https://lore.kernel.org/qemu-devel/1752689169-233452-2-git-send-email-steven.sist...@oracle.com Signed-off-by: Cédric Le Goater <c...@redhat.com> --- hw/vfio/pci.h | 3 ++- hw/vfio/cpr.c | 2 +- hw/vfio/pci.c | 13 +++++++++++-- 3 files changed, 14 insertions(+), 4 deletions(-) diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h index 81465a8214a4008716806ae85c7f320f6b198bb2..2b564baf88640a4fe2e78b5ec4c4eb3ba3141357 100644 --- a/hw/vfio/pci.h +++ b/hw/vfio/pci.h @@ -209,8 +209,9 @@ void vfio_pci_add_kvm_msi_virq(VFIOPCIDevice *vdev, VFIOMSIVector *vector, void vfio_pci_prepare_kvm_msi_virq_batch(VFIOPCIDevice *vdev); void vfio_pci_commit_kvm_msi_virq_batch(VFIOPCIDevice *vdev); bool vfio_pci_intx_enable(VFIOPCIDevice *vdev, Error **errp); +void vfio_pci_intx_set_handler(VFIOPCIDevice *vdev, bool enable); void vfio_pci_msix_set_notifiers(VFIOPCIDevice *vdev); -void vfio_pci_msi_set_handler(VFIOPCIDevice *vdev, int nr); +void vfio_pci_msi_set_handler(VFIOPCIDevice *vdev, int nr, bool enable); uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len); void vfio_pci_write_config(PCIDevice *pdev, diff --git a/hw/vfio/cpr.c b/hw/vfio/cpr.c index 384b56c4c74d8224df0ceecb2b8ea4e1a1f40562..ade7ff745dc26e13712dbdafda38e1875a016505 100644 --- a/hw/vfio/cpr.c +++ b/hw/vfio/cpr.c @@ -70,7 +70,7 @@ static void vfio_cpr_claim_vectors(VFIOPCIDevice *vdev, int nr_vectors, fd = vfio_cpr_load_vector_fd(vdev, "interrupt", i); if (fd >= 0) { vfio_pci_vector_init(vdev, i); - vfio_pci_msi_set_handler(vdev, i); + vfio_pci_msi_set_handler(vdev, i, true); } if (vfio_cpr_load_vector_fd(vdev, "kvm_interrupt", i) >= 0) { diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 4fa692c1a32bcfa4e4939e5fcb64f2bf19905b3b..4cd6894ca81731258ad10a5f9f894289e671a3db 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -413,6 +413,14 @@ bool vfio_pci_intx_enable(VFIOPCIDevice *vdev, Error **errp) return vfio_intx_enable(vdev, errp); } +void vfio_pci_intx_set_handler(VFIOPCIDevice *vdev, bool enable) +{ + int fd = event_notifier_get_fd(&vdev->intx.interrupt); + IOHandler *handler = (enable ? vfio_intx_interrupt : NULL); + + qemu_set_fd_handler(fd, handler, NULL, vdev); +} + /* * MSI/X */ @@ -451,12 +459,13 @@ static void vfio_msi_interrupt(void *opaque) notify(&vdev->pdev, nr); } -void vfio_pci_msi_set_handler(VFIOPCIDevice *vdev, int nr) +void vfio_pci_msi_set_handler(VFIOPCIDevice *vdev, int nr, bool enable) { VFIOMSIVector *vector = &vdev->msi_vectors[nr]; int fd = event_notifier_get_fd(&vector->interrupt); + IOHandler *handler = (enable ? vfio_msi_interrupt : NULL); - qemu_set_fd_handler(fd, vfio_msi_interrupt, NULL, vector); + qemu_set_fd_handler(fd, handler, NULL, vector); } /* -- 2.50.1
