s390/vfio-ap: realize the VFIO_DEVICE_SET_IRQS ioctl

[linux-2.6-microblaze.git] / drivers / s390 / crypto / vfio_ap_private.h

diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h
index 976a65f..4642bbd 100644 (file)
--- a/drivers/s390/crypto/vfio_ap_private.h
+++ b/drivers/s390/crypto/vfio_ap_private.h
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/mdev.h>
 #include <linux/delay.h>
+#include <linux/eventfd.h>
 #include <linux/mutex.h>
 #include <linux/kvm_host.h>
 #include <linux/vfio.h>
@@ -103,6 +104,7 @@ struct ap_queue_table {
  *             PQAP(AQIC) instruction.
  * @mdev:      the mediated device
  * @qtable:    table of queues (struct vfio_ap_queue) assigned to the mdev
+ * @req_trigger eventfd ctx for signaling userspace to return a device
  * @apm_add:   bitmap of APIDs added to the host's AP configuration
  * @aqm_add:   bitmap of APQIs added to the host's AP configuration
  * @adm_add:   bitmap of control domain numbers added to the host's AP
@@ -117,6 +119,7 @@ struct ap_matrix_mdev {
        crypto_hook pqap_hook;
        struct mdev_device *mdev;
        struct ap_queue_table qtable;
+       struct eventfd_ctx *req_trigger;
        DECLARE_BITMAP(apm_add, AP_DEVICES);
        DECLARE_BITMAP(aqm_add, AP_DOMAINS);
        DECLARE_BITMAP(adm_add, AP_DOMAINS);