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path: root/drivers/s390/crypto/vfio_ap_private.h
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Diffstat (limited to 'drivers/s390/crypto/vfio_ap_private.h')
-rw-r--r--drivers/s390/crypto/vfio_ap_private.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/s390/crypto/vfio_ap_private.h b/drivers/s390/crypto/vfio_ap_private.h
index 4642bbdbd1b2..9bff666b0b35 100644
--- a/drivers/s390/crypto/vfio_ap_private.h
+++ b/drivers/s390/crypto/vfio_ap_private.h
@@ -53,7 +53,7 @@ struct ap_matrix_dev {
struct mutex guests_lock; /* serializes access to each KVM guest */
struct mdev_parent parent;
struct mdev_type mdev_type;
- struct mdev_type *mdev_types[1];
+ struct mdev_type *mdev_types;
};
extern struct ap_matrix_dev *matrix_dev;
@@ -75,11 +75,11 @@ extern struct ap_matrix_dev *matrix_dev;
*/
struct ap_matrix {
unsigned long apm_max;
- DECLARE_BITMAP(apm, 256);
+ DECLARE_BITMAP(apm, AP_DEVICES);
unsigned long aqm_max;
- DECLARE_BITMAP(aqm, 256);
+ DECLARE_BITMAP(aqm, AP_DOMAINS);
unsigned long adm_max;
- DECLARE_BITMAP(adm, 256);
+ DECLARE_BITMAP(adm, AP_DOMAINS);
};
/**
@@ -105,6 +105,7 @@ struct ap_queue_table {
* @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
+ * @cfg_chg_trigger eventfd ctx to signal AP config changed to userspace
* @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
@@ -120,6 +121,7 @@ struct ap_matrix_mdev {
struct mdev_device *mdev;
struct ap_queue_table qtable;
struct eventfd_ctx *req_trigger;
+ struct eventfd_ctx *cfg_chg_trigger;
DECLARE_BITMAP(apm_add, AP_DEVICES);
DECLARE_BITMAP(aqm_add, AP_DOMAINS);
DECLARE_BITMAP(adm_add, AP_DOMAINS);
@@ -133,7 +135,10 @@ struct ap_matrix_mdev {
* @apqn: the APQN of the AP queue device
* @saved_isc: the guest ISC registered with the GIB interface
* @mdev_qnode: allows the vfio_ap_queue struct to be added to a hashtable
- * @reset_rc: the status response code from the last reset of the queue
+ * @reset_qnode: allows the vfio_ap_queue struct to be added to a list of queues
+ * that need to be reset
+ * @reset_status: the status from the last reset of the queue
+ * @reset_work: work to wait for queue reset to complete
*/
struct vfio_ap_queue {
struct ap_matrix_mdev *matrix_mdev;
@@ -142,7 +147,9 @@ struct vfio_ap_queue {
#define VFIO_AP_ISC_INVALID 0xff
unsigned char saved_isc;
struct hlist_node mdev_qnode;
- unsigned int reset_rc;
+ struct list_head reset_qnode;
+ struct ap_queue_status reset_status;
+ struct work_struct reset_work;
};
int vfio_ap_mdev_register(void);