From: Tony Krowiak <akrowiak@xxxxxxxxxxxxx> Implements the VFIO_DEVICE_RESET ioctl. This ioctl zeroizes all of the AP queues assigned to the guest. Signed-off-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx> Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx> Tested-by: Michael Mueller <mimu@xxxxxxxxxxxxx> Tested-by: Farhan Ali <alifm@xxxxxxxxxxxxx> Reviewed-by: Pierre Morel <pmorel@xxxxxxxxxxxxx> Tested-by: Pierre Morel <pmorel@xxxxxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- drivers/s390/crypto/vfio_ap_ops.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 48b1b78..d1b326b 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -922,7 +922,7 @@ static int vfio_ap_mdev_get_device_info(unsigned long arg) if (info.argsz < minsz) return -EINVAL; - info.flags = VFIO_DEVICE_FLAGS_AP; + info.flags = VFIO_DEVICE_FLAGS_AP | VFIO_DEVICE_FLAGS_RESET; info.num_regions = 0; info.num_irqs = 0; @@ -938,6 +938,9 @@ static ssize_t vfio_ap_mdev_ioctl(struct mdev_device *mdev, case VFIO_DEVICE_GET_INFO: ret = vfio_ap_mdev_get_device_info(arg); break; + case VFIO_DEVICE_RESET: + ret = vfio_ap_mdev_reset_queues(mdev); + break; default: ret = -EOPNOTSUPP; break; -- 1.7.1
