diff options
| author | Marcel Apfelbaum <marcel.a@redhat.com> | 2013-10-07 10:36:38 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2013-10-14 17:11:45 +0300 |
| commit | 68919cace8242363edfe8ff9b9c68b5e58c30db4 (patch) | |
| tree | f3299bff5d8a99115f4173cc02235615f9cdfa19 /hw/misc | |
| parent | 4c89e3e59368584ae6f34fdfce3c698223b8a918 (diff) | |
| download | qemu-68919cace8242363edfe8ff9b9c68b5e58c30db4.zip qemu-68919cace8242363edfe8ff9b9c68b5e58c30db4.tar.gz qemu-68919cace8242363edfe8ff9b9c68b5e58c30db4.tar.bz2 | |
hw/vfio: set interrupts using pci irq wrappers
pci_set_irq and the other pci irq wrappers use
PCI_INTERRUPT_PIN config register to compute device
INTx pin to assert/deassert.
save INTX pin into the config register before calling
pci_set_irq
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/vfio.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c index a1c08fb..9d02e49 100644 --- a/hw/misc/vfio.c +++ b/hw/misc/vfio.c @@ -297,7 +297,7 @@ static void vfio_intx_interrupt(void *opaque) 'A' + vdev->intx.pin); vdev->intx.pending = true; - qemu_set_irq(vdev->pdev.irq[vdev->intx.pin], 1); + pci_irq_assert(&vdev->pdev); vfio_mmap_set_enabled(vdev, false); if (vdev->intx.mmap_timeout) { timer_mod(vdev->intx.mmap_timer, @@ -315,7 +315,7 @@ static void vfio_eoi(VFIODevice *vdev) vdev->host.bus, vdev->host.slot, vdev->host.function); vdev->intx.pending = false; - qemu_set_irq(vdev->pdev.irq[vdev->intx.pin], 0); + pci_irq_deassert(&vdev->pdev); vfio_unmask_intx(vdev); } @@ -341,7 +341,7 @@ static void vfio_enable_intx_kvm(VFIODevice *vdev) qemu_set_fd_handler(irqfd.fd, NULL, NULL, vdev); vfio_mask_intx(vdev); vdev->intx.pending = false; - qemu_set_irq(vdev->pdev.irq[vdev->intx.pin], 0); + pci_irq_deassert(&vdev->pdev); /* Get an eventfd for resample/unmask */ if (event_notifier_init(&vdev->intx.unmask, 0)) { @@ -417,7 +417,7 @@ static void vfio_disable_intx_kvm(VFIODevice *vdev) */ vfio_mask_intx(vdev); vdev->intx.pending = false; - qemu_set_irq(vdev->pdev.irq[vdev->intx.pin], 0); + pci_irq_deassert(&vdev->pdev); /* Tell KVM to stop listening for an INTx irqfd */ if (kvm_vm_ioctl(kvm_state, KVM_IRQFD, &irqfd)) { @@ -488,6 +488,7 @@ static int vfio_enable_intx(VFIODevice *vdev) vfio_disable_interrupts(vdev); vdev->intx.pin = pin - 1; /* Pin A (1) -> irq[0] */ + pci_config_set_interrupt_pin(vdev->pdev.config, pin); #ifdef CONFIG_KVM /* @@ -547,7 +548,7 @@ static void vfio_disable_intx(VFIODevice *vdev) vfio_disable_intx_kvm(vdev); vfio_disable_irqindex(vdev, VFIO_PCI_INTX_IRQ_INDEX); vdev->intx.pending = false; - qemu_set_irq(vdev->pdev.irq[vdev->intx.pin], 0); + pci_irq_deassert(&vdev->pdev); vfio_mmap_set_enabled(vdev, true); fd = event_notifier_get_fd(&vdev->intx.interrupt); |