1 files changed, 96 insertions, 0 deletions
diff --git a/include/hw/s390x/event-facility.h b/include/hw/s390x/event-facility.h
new file mode 100644
index 0000000000..791ab2a6de
--- /dev/null
+++ b/include/hw/s390x/event-facility.h
@@ -0,0 +1,96 @@
+/*
+ * SCLP
+ *    Event Facility definitions
+ *
+ * Copyright IBM, Corp. 2012
+ *
+ * Authors:
+ *  Heinz Graalfs <graalfs@de.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at your
+ * option) any later version.  See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef HW_S390_SCLP_EVENT_FACILITY_H
+#define HW_S390_SCLP_EVENT_FACILITY_H
+
+#include <hw/qdev.h>
+#include "qemu/thread.h"
+
+/* SCLP event types */
+#define SCLP_EVENT_ASCII_CONSOLE_DATA           0x1a
+#define SCLP_EVENT_SIGNAL_QUIESCE               0x1d
+
+/* SCLP event masks */
+#define SCLP_EVENT_MASK_SIGNAL_QUIESCE          0x00000008
+#define SCLP_EVENT_MASK_MSG_ASCII               0x00000040
+
+#define SCLP_UNCONDITIONAL_READ                 0x00
+#define SCLP_SELECTIVE_READ                     0x01
+
+#define TYPE_SCLP_EVENT "s390-sclp-event-type"
+#define SCLP_EVENT(obj) \
+     OBJECT_CHECK(SCLPEvent, (obj), TYPE_SCLP_EVENT)
+#define SCLP_EVENT_CLASS(klass) \
+     OBJECT_CLASS_CHECK(SCLPEventClass, (klass), TYPE_SCLP_EVENT)
+#define SCLP_EVENT_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(SCLPEventClass, (obj), TYPE_SCLP_EVENT)
+
+typedef struct WriteEventMask {
+    SCCBHeader h;
+    uint16_t _reserved;
+    uint16_t mask_length;
+    uint32_t cp_receive_mask;
+    uint32_t cp_send_mask;
+    uint32_t send_mask;
+    uint32_t receive_mask;
+} QEMU_PACKED WriteEventMask;
+
+typedef struct EventBufferHeader {
+    uint16_t length;
+    uint8_t  type;
+    uint8_t  flags;
+    uint16_t _reserved;
+} QEMU_PACKED EventBufferHeader;
+
+typedef struct WriteEventData {
+    SCCBHeader h;
+    EventBufferHeader ebh;
+} QEMU_PACKED WriteEventData;
+
+typedef struct ReadEventData {
+    SCCBHeader h;
+    EventBufferHeader ebh;
+    uint32_t mask;
+} QEMU_PACKED ReadEventData;
+
+typedef struct SCLPEvent {
+    DeviceState qdev;
+    bool event_pending;
+    uint32_t event_type;
+    char *name;
+} SCLPEvent;
+
+typedef struct SCLPEventClass {
+    DeviceClass parent_class;
+    int (*init)(SCLPEvent *event);
+    int (*exit)(SCLPEvent *event);
+
+    /* get SCLP's send mask */
+    unsigned int (*get_send_mask)(void);
+
+    /* get SCLP's receive mask */
+    unsigned int (*get_receive_mask)(void);
+
+    int (*read_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr,
+                           int *slen);
+
+    int (*write_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr);
+
+    /* returns the supported event type */
+    int (*event_type)(void);
+
+} SCLPEventClass;
+
+#endif