diff options
Diffstat (limited to 'hw/vfio/ccw.c')
| -rw-r--r-- | hw/vfio/ccw.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c index 76323c6bde..636729c03d 100644 --- a/hw/vfio/ccw.c +++ b/hw/vfio/ccw.c @@ -47,9 +47,9 @@ struct VFIODeviceOps vfio_ccw_ops = { .vfio_compute_needs_reset = vfio_ccw_compute_needs_reset, }; -static int vfio_ccw_handle_request(ORB *orb, SCSW *scsw, void *data) +static IOInstEnding vfio_ccw_handle_request(SubchDev *sch) { - S390CCWDevice *cdev = data; + S390CCWDevice *cdev = sch->driver_data; VFIOCCWDevice *vcdev = DO_UPCAST(VFIOCCWDevice, cdev, cdev); struct ccw_io_region *region = vcdev->io_region; int ret; @@ -60,8 +60,8 @@ static int vfio_ccw_handle_request(ORB *orb, SCSW *scsw, void *data) memset(region, 0, sizeof(*region)); - memcpy(region->orb_area, orb, sizeof(ORB)); - memcpy(region->scsw_area, scsw, sizeof(SCSW)); + memcpy(region->orb_area, &sch->orb, sizeof(ORB)); + memcpy(region->scsw_area, &sch->curr_status.scsw, sizeof(SCSW)); again: ret = pwrite(vcdev->vdev.fd, region, @@ -71,10 +71,24 @@ again: goto again; } error_report("vfio-ccw: wirte I/O region failed with errno=%d", errno); - return -errno; + ret = -errno; + } else { + ret = region->ret_code; + } + switch (ret) { + case 0: + return IOINST_CC_EXPECTED; + case -EBUSY: + return IOINST_CC_BUSY; + case -ENODEV: + case -EACCES: + return IOINST_CC_NOT_OPERATIONAL; + case -EFAULT: + default: + sch_gen_unit_exception(sch); + css_inject_io_interrupt(sch); + return IOINST_CC_EXPECTED; } - - return region->ret_code; } static void vfio_ccw_reset(DeviceState *dev) |