xref: /qemu/include/hw/s390x/3270-ccw.h (revision a489d195)
1ff20b0a3SYang Chen /*
2ff20b0a3SYang Chen  * Emulated ccw-attached 3270 definitions
3ff20b0a3SYang Chen  *
4ff20b0a3SYang Chen  * Copyright 2017 IBM Corp.
5ff20b0a3SYang Chen  * Author(s): Yang Chen <bjcyang@linux.vnet.ibm.com>
6ff20b0a3SYang Chen  *            Jing Liu <liujbjl@linux.vnet.ibm.com>
7ff20b0a3SYang Chen  *
8ff20b0a3SYang Chen  * This work is licensed under the terms of the GNU GPL, version 2 or (at
9ff20b0a3SYang Chen  * your option) any later version. See the COPYING file in the top-level
10ff20b0a3SYang Chen  * directory.
11ff20b0a3SYang Chen  */
12ff20b0a3SYang Chen 
13ff20b0a3SYang Chen #ifndef HW_S390X_3270_CCW_H
14ff20b0a3SYang Chen #define HW_S390X_3270_CCW_H
15ff20b0a3SYang Chen 
16ff20b0a3SYang Chen #include "hw/sysbus.h"
17ff20b0a3SYang Chen #include "hw/s390x/css.h"
18ff20b0a3SYang Chen #include "hw/s390x/ccw-device.h"
19db1015e9SEduardo Habkost #include "qom/object.h"
20ff20b0a3SYang Chen 
21ff20b0a3SYang Chen #define EMULATED_CCW_3270_CU_TYPE 0x3270
22ff20b0a3SYang Chen #define EMULATED_CCW_3270_CHPID_TYPE 0x1a
23ff20b0a3SYang Chen 
24ff20b0a3SYang Chen #define TYPE_EMULATED_CCW_3270 "emulated-ccw-3270"
252dc95b4cSJing Liu 
262dc95b4cSJing Liu /* Local Channel Commands */
272dc95b4cSJing Liu #define TC_WRITE   0x01         /* Write */
282dc95b4cSJing Liu #define TC_RDBUF   0x02         /* Read buffer */
292dc95b4cSJing Liu #define TC_EWRITE  0x05         /* Erase write */
302dc95b4cSJing Liu #define TC_READMOD 0x06         /* Read modified */
312dc95b4cSJing Liu #define TC_EWRITEA 0x0d         /* Erase write alternate */
322dc95b4cSJing Liu #define TC_WRITESF 0x11         /* Write structured field */
332dc95b4cSJing Liu 
34*a489d195SEduardo Habkost OBJECT_DECLARE_TYPE(EmulatedCcw3270Device, EmulatedCcw3270Class, EMULATED_CCW_3270)
35ff20b0a3SYang Chen 
36db1015e9SEduardo Habkost struct EmulatedCcw3270Device {
37ff20b0a3SYang Chen     CcwDevice parent_obj;
38db1015e9SEduardo Habkost };
39ff20b0a3SYang Chen 
40db1015e9SEduardo Habkost struct EmulatedCcw3270Class {
41ff20b0a3SYang Chen     CCWDeviceClass parent_class;
42ff20b0a3SYang Chen 
43ff20b0a3SYang Chen     void (*init)(EmulatedCcw3270Device *, Error **);
441baa2eb0SHalil Pasic     int (*read_payload_3270)(EmulatedCcw3270Device *);
451baa2eb0SHalil Pasic     int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t);
46db1015e9SEduardo Habkost };
47ff20b0a3SYang Chen 
48ff20b0a3SYang Chen #endif
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