diff options
| -rw-r--r-- | hw/vfio/ccw.c | 51 |
1 files changed, 13 insertions, 38 deletions
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c index 03a2becb3e..a18bbd33b0 100644 --- a/hw/vfio/ccw.c +++ b/hw/vfio/ccw.c @@ -198,9 +198,8 @@ static void vfio_ccw_register_io_notifier(VFIOCCWDevice *vcdev, Error **errp) { VFIODevice *vdev = &vcdev->vdev; struct vfio_irq_info *irq_info; - struct vfio_irq_set *irq_set; size_t argsz; - int32_t *pfd; + int fd; if (vdev->num_irqs < VFIO_CCW_IO_IRQ_INDEX + 1) { error_setg(errp, "vfio: unexpected number of io irqs %u", @@ -224,56 +223,32 @@ static void vfio_ccw_register_io_notifier(VFIOCCWDevice *vcdev, Error **errp) goto out_free_info; } - argsz = sizeof(*irq_set) + sizeof(*pfd); - irq_set = g_malloc0(argsz); - irq_set->argsz = argsz; - irq_set->flags = VFIO_IRQ_SET_DATA_EVENTFD | - VFIO_IRQ_SET_ACTION_TRIGGER; - irq_set->index = VFIO_CCW_IO_IRQ_INDEX; - irq_set->start = 0; - irq_set->count = 1; - pfd = (int32_t *) &irq_set->data; - - *pfd = event_notifier_get_fd(&vcdev->io_notifier); - qemu_set_fd_handler(*pfd, vfio_ccw_io_notifier_handler, NULL, vcdev); - if (ioctl(vdev->fd, VFIO_DEVICE_SET_IRQS, irq_set)) { - error_setg(errp, "vfio: Failed to set up io notification"); - qemu_set_fd_handler(*pfd, NULL, NULL, vcdev); + fd = event_notifier_get_fd(&vcdev->io_notifier); + qemu_set_fd_handler(fd, vfio_ccw_io_notifier_handler, NULL, vcdev); + + if (vfio_set_irq_signaling(vdev, VFIO_CCW_IO_IRQ_INDEX, 0, + VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) { + qemu_set_fd_handler(fd, NULL, NULL, vcdev); event_notifier_cleanup(&vcdev->io_notifier); } - g_free(irq_set); - out_free_info: g_free(irq_info); } static void vfio_ccw_unregister_io_notifier(VFIOCCWDevice *vcdev) { - struct vfio_irq_set *irq_set; - size_t argsz; - int32_t *pfd; - - argsz = sizeof(*irq_set) + sizeof(*pfd); - irq_set = g_malloc0(argsz); - irq_set->argsz = argsz; - irq_set->flags = VFIO_IRQ_SET_DATA_EVENTFD | - VFIO_IRQ_SET_ACTION_TRIGGER; - irq_set->index = VFIO_CCW_IO_IRQ_INDEX; - irq_set->start = 0; - irq_set->count = 1; - pfd = (int32_t *) &irq_set->data; - *pfd = -1; - - if (ioctl(vcdev->vdev.fd, VFIO_DEVICE_SET_IRQS, irq_set)) { - error_report("vfio: Failed to de-assign device io fd: %m"); + Error *err = NULL; + + vfio_set_irq_signaling(&vcdev->vdev, VFIO_CCW_IO_IRQ_INDEX, 0, + VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err); + if (err) { + error_reportf_err(err, VFIO_MSG_PREFIX, vcdev->vdev.name); } qemu_set_fd_handler(event_notifier_get_fd(&vcdev->io_notifier), NULL, NULL, vcdev); event_notifier_cleanup(&vcdev->io_notifier); - - g_free(irq_set); } static void vfio_ccw_get_region(VFIOCCWDevice *vcdev, Error **errp) |