hw/vfio/iommufd.c

2  * iommufd container backend
16 #include <linux/iommufd.h>
22 #include "system/iommufd.h"
30 #include "vfio-iommufd.h"
106     IOMMUFDBackend *iommufd = vbasedev->iommufd;
112     if (!iommufd_backend_connect(iommufd, errp)) {
129     /* Bind device to iommufd */
130     bind.iommufd = iommufd->fd;
132         error_setg_errno(errp, errno, "error bind device fd=%d to iommufd=%d",
133                          vbasedev->fd, bind.iommufd);
138     trace_iommufd_cdev_connect_and_bind(bind.iommufd, vbasedev->name,
146     iommufd_backend_disconnect(iommufd);
154     iommufd_backend_disconnect(vbasedev->iommufd);
284     int iommufd = vbasedev->iommufd->fd;
291     /* Attach device to an IOAS or hwpt within iommufd */
294                          "[iommufd=%d] error attach %s (%d) to id=%d",
295                          iommufd, vbasedev->name, vbasedev->fd, id);
299     trace_iommufd_cdev_attach_ioas_hwpt(iommufd, vbasedev->name,
306     int iommufd = vbasedev->iommufd->fd;
317     trace_iommufd_cdev_detach_ioas_hwpt(iommufd, vbasedev->name);
326     IOMMUFDBackend *iommufd = vbasedev->iommufd;
373     if (!iommufd_backend_get_device_info(vbasedev->iommufd, vbasedev->devid,
387     if (!iommufd_backend_alloc_hwpt(iommufd, vbasedev->devid,
564             vbasedev->iommufd != container->be) {
599     if (!iommufd_backend_alloc_ioas(vbasedev->iommufd, &ioas_id, errp)) {
603     trace_iommufd_cdev_alloc_ioas(vbasedev->iommufd->fd, ioas_id);
607     container->be = vbasedev->iommufd;
805          * are either bound to same iommufd or within same iommu_groups as
806          * one of the iommufd bound devices.
829     /* Use zero length array for hot reset with iommufd backend */
906     if (!iommufd_backend_get_device_info(vdev->iommufd, vdev->devid, &type,
917     idev->iommufd = vdev->iommufd;