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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:10:18 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:10:18 +0000 |
| commit | c6fca85f2153de8b2451269de43abcc2aa0213ab (patch) | |
| tree | ba8548f2df113c7da8a46563947536f455f9a1c0 /drivers/s390/crypto | |
| parent | Adding debian version 6.1.76-1. (diff) | |
| download | linux-c6fca85f2153de8b2451269de43abcc2aa0213ab.tar.xz linux-c6fca85f2153de8b2451269de43abcc2aa0213ab.zip | |
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/s390/crypto')
| -rw-r--r-- | drivers/s390/crypto/vfio_ap_ops.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 0659aa286..86a8bd532 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -1742,6 +1742,7 @@ static ssize_t status_show(struct device *dev, { ssize_t nchars = 0; struct vfio_ap_queue *q; + unsigned long apid, apqi; struct ap_matrix_mdev *matrix_mdev; struct ap_device *apdev = to_ap_dev(dev); @@ -1749,8 +1750,21 @@ static ssize_t status_show(struct device *dev, q = dev_get_drvdata(&apdev->device); matrix_mdev = vfio_ap_mdev_for_queue(q); + /* If the queue is assigned to the matrix mediated device, then + * determine whether it is passed through to a guest; otherwise, + * indicate that it is unassigned. + */ if (matrix_mdev) { - if (matrix_mdev->kvm) + apid = AP_QID_CARD(q->apqn); + apqi = AP_QID_QUEUE(q->apqn); + /* + * If the queue is passed through to the guest, then indicate + * that it is in use; otherwise, indicate that it is + * merely assigned to a matrix mediated device. + */ + if (matrix_mdev->kvm && + test_bit_inv(apid, matrix_mdev->shadow_apcb.apm) && + test_bit_inv(apqi, matrix_mdev->shadow_apcb.aqm)) nchars = scnprintf(buf, PAGE_SIZE, "%s\n", AP_QUEUE_IN_USE); else |