1 files changed, 53 insertions, 0 deletions
diff --git a/include/hw/s390x/3270-ccw.h b/include/hw/s390x/3270-ccw.h
new file mode 100644
index 0000000000..46bee2533c
--- /dev/null
+++ b/include/hw/s390x/3270-ccw.h
@@ -0,0 +1,53 @@
+/*
+ * Emulated ccw-attached 3270 definitions
+ *
+ * Copyright 2017 IBM Corp.
+ * Author(s): Yang Chen <bjcyang@linux.vnet.ibm.com>
+ *            Jing Liu <liujbjl@linux.vnet.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_S390X_3270_CCW_H
+#define HW_S390X_3270_CCW_H
+
+#include "hw/sysbus.h"
+#include "hw/s390x/css.h"
+#include "hw/s390x/ccw-device.h"
+
+#define EMULATED_CCW_3270_CU_TYPE 0x3270
+#define EMULATED_CCW_3270_CHPID_TYPE 0x1a
+
+#define TYPE_EMULATED_CCW_3270 "emulated-ccw-3270"
+
+/* Local Channel Commands */
+#define TC_WRITE   0x01         /* Write */
+#define TC_RDBUF   0x02         /* Read buffer */
+#define TC_EWRITE  0x05         /* Erase write */
+#define TC_READMOD 0x06         /* Read modified */
+#define TC_EWRITEA 0x0d         /* Erase write alternate */
+#define TC_WRITESF 0x11         /* Write structured field */
+
+#define EMULATED_CCW_3270(obj) \
+     OBJECT_CHECK(EmulatedCcw3270Device, (obj), TYPE_EMULATED_CCW_3270)
+#define EMULATED_CCW_3270_CLASS(klass) \
+     OBJECT_CLASS_CHECK(EmulatedCcw3270Class, (klass), TYPE_EMULATED_CCW_3270)
+#define EMULATED_CCW_3270_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(EmulatedCcw3270Class, (obj), TYPE_EMULATED_CCW_3270)
+
+typedef struct EmulatedCcw3270Device {
+    CcwDevice parent_obj;
+} EmulatedCcw3270Device;
+
+typedef struct EmulatedCcw3270Class {
+    CCWDeviceClass parent_class;
+
+    void (*init)(EmulatedCcw3270Device *, Error **);
+    int (*read_payload_3270)(EmulatedCcw3270Device *, uint32_t, uint16_t);
+    int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t, uint32_t,
+                              uint16_t);
+} EmulatedCcw3270Class;
+
+#endif