summaryrefslogtreecommitdiff
path: root/drivers/s390/crypto/vfio_ap_ops.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/crypto/vfio_ap_ops.c')
-rw-r--r--drivers/s390/crypto/vfio_ap_ops.c35
1 files changed, 3 insertions, 32 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index d3d9eb72b0f1..ea99165d1045 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -727,37 +727,6 @@ static const struct attribute_group *vfio_ap_mdev_attr_groups[] = {
NULL
};
-static void vfio_ap_mdev_copy_masks(struct ap_matrix_mdev *matrix_mdev)
-{
- int nbytes;
- unsigned long *apm, *aqm, *adm;
- struct kvm_s390_crypto_cb *crycb = matrix_mdev->kvm->arch.crypto.crycb;
-
- switch (matrix_mdev->kvm->arch.crypto.crycbd & CRYCB_FORMAT_MASK) {
- case CRYCB_FORMAT2:
- apm = (unsigned long *)crycb->apcb1.apm;
- aqm = (unsigned long *)crycb->apcb1.aqm;
- adm = (unsigned long *)crycb->apcb1.adm;
- break;
- case CRYCB_FORMAT1:
- case CRYCB_FORMAT0:
- apm = (unsigned long *)crycb->apcb0.apm;
- aqm = (unsigned long *)crycb->apcb0.aqm;
- adm = (unsigned long *)crycb->apcb0.adm;
- break;
- default:
- /* cannot happen */
- return;
- }
-
- nbytes = DIV_ROUND_UP(matrix_mdev->matrix.apm_max + 1, BITS_PER_BYTE);
- memcpy(apm, matrix_mdev->matrix.apm, nbytes);
- nbytes = DIV_ROUND_UP(matrix_mdev->matrix.aqm_max + 1, BITS_PER_BYTE);
- memcpy(aqm, matrix_mdev->matrix.aqm, nbytes);
- nbytes = DIV_ROUND_UP(matrix_mdev->matrix.adm_max + 1, BITS_PER_BYTE);
- memcpy(adm, matrix_mdev->matrix.adm, nbytes);
-}
-
/**
* vfio_ap_mdev_set_kvm
*
@@ -814,7 +783,9 @@ static int vfio_ap_mdev_group_notifier(struct notifier_block *nb,
if (!matrix_mdev->kvm->arch.crypto.crycbd)
return NOTIFY_DONE;
- vfio_ap_mdev_copy_masks(matrix_mdev);
+ kvm_arch_crypto_set_masks(matrix_mdev->kvm, matrix_mdev->matrix.apm,
+ matrix_mdev->matrix.aqm,
+ matrix_mdev->matrix.adm);
return NOTIFY_OK;
}