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| author |   Tony Krowiak <akrowiak@linux.ibm.com> | 2018-09-25 19:16:29 -0400 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2018-09-28 15:50:11 +0200 |
| commit | cd8a377e3b40002cd7983b53f384456393908b7e (patch) | |
| tree | 8ca0be30851251ed29cac0669024d7b4a35c0149 /drivers/s390/crypto | |
| parent | s390: vfio-ap: zeroize the AP queues (diff) | |
| download | linux-dev-cd8a377e3b40002cd7983b53f384456393908b7e.tar.xz linux-dev-cd8a377e3b40002cd7983b53f384456393908b7e.zip | |
s390: vfio-ap: implement VFIO_DEVICE_RESET ioctl
Implements the VFIO_DEVICE_RESET ioctl. This ioctl zeroizes
all of the AP queues assigned to the guest.
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Tested-by: Michael Mueller <mimu@linux.ibm.com>
Tested-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Pierre Morel <pmorel@linux.ibm.com>
Message-Id: <20180925231641.4954-15-akrowiak@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto')
| -rw-r--r-- | 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 619900c56cd6..d3d9eb72b0f1 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -917,7 +917,7 @@ 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; @@ -933,6 +933,9 @@ 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; |