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s390/vfio_ap: increase max wait time for reset verification
Increase the maximum time to wait for verification of a queue reset operation to 200ms. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> Link: https://lore.kernel.org/r/20230118203111.529766-7-akrowiak@linux.ibm.com Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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@ -30,6 +30,9 @@
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#define AP_QUEUE_UNASSIGNED "unassigned"
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#define AP_QUEUE_IN_USE "in use"
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#define MAX_RESET_CHECK_WAIT 200 /* Sleep max 200ms for reset check */
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#define AP_RESET_INTERVAL 20 /* Reset sleep interval (20ms) */
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static int vfio_ap_mdev_reset_queues(struct ap_queue_table *qtable);
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static struct vfio_ap_queue *vfio_ap_find_queue(int apqn);
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static const struct vfio_device_ops vfio_ap_matrix_dev_ops;
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@ -1626,11 +1629,12 @@ static int apq_status_check(int apqn, struct ap_queue_status *status)
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static int apq_reset_check(struct vfio_ap_queue *q)
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{
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int iters = 2, ret;
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int ret;
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int iters = MAX_RESET_CHECK_WAIT / AP_RESET_INTERVAL;
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struct ap_queue_status status;
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while (iters--) {
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msleep(20);
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for (; iters > 0; iters--) {
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msleep(AP_RESET_INTERVAL);
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status = ap_tapq(q->apqn, NULL);
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ret = apq_status_check(q->apqn, &status);
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if (ret != -EBUSY)
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