xref: /qemu/include/hw/s390x/3270-ccw.h (revision 2dc95b4c)
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"
19ff20b0a3SYang Chen 
20ff20b0a3SYang Chen #define EMULATED_CCW_3270_CU_TYPE 0x3270
21ff20b0a3SYang Chen #define EMULATED_CCW_3270_CHPID_TYPE 0x1a
22ff20b0a3SYang Chen 
23ff20b0a3SYang Chen #define TYPE_EMULATED_CCW_3270 "emulated-ccw-3270"
24*2dc95b4cSJing Liu 
25*2dc95b4cSJing Liu /* Local Channel Commands */
26*2dc95b4cSJing Liu #define TC_WRITE   0x01         /* Write */
27*2dc95b4cSJing Liu #define TC_RDBUF   0x02         /* Read buffer */
28*2dc95b4cSJing Liu #define TC_EWRITE  0x05         /* Erase write */
29*2dc95b4cSJing Liu #define TC_READMOD 0x06         /* Read modified */
30*2dc95b4cSJing Liu #define TC_EWRITEA 0x0d         /* Erase write alternate */
31*2dc95b4cSJing Liu #define TC_WRITESF 0x11         /* Write structured field */
32*2dc95b4cSJing Liu 
33ff20b0a3SYang Chen #define EMULATED_CCW_3270(obj) \
34ff20b0a3SYang Chen      OBJECT_CHECK(EmulatedCcw3270Device, (obj), TYPE_EMULATED_CCW_3270)
35ff20b0a3SYang Chen #define EMULATED_CCW_3270_CLASS(klass) \
36ff20b0a3SYang Chen      OBJECT_CLASS_CHECK(EmulatedCcw3270Class, (klass), TYPE_EMULATED_CCW_3270)
37ff20b0a3SYang Chen #define EMULATED_CCW_3270_GET_CLASS(obj) \
38ff20b0a3SYang Chen      OBJECT_GET_CLASS(EmulatedCcw3270Class, (obj), TYPE_EMULATED_CCW_3270)
39ff20b0a3SYang Chen 
40ff20b0a3SYang Chen typedef struct EmulatedCcw3270Device {
41ff20b0a3SYang Chen     CcwDevice parent_obj;
42ff20b0a3SYang Chen } EmulatedCcw3270Device;
43ff20b0a3SYang Chen 
44ff20b0a3SYang Chen typedef struct EmulatedCcw3270Class {
45ff20b0a3SYang Chen     CCWDeviceClass parent_class;
46ff20b0a3SYang Chen 
47ff20b0a3SYang Chen     void (*init)(EmulatedCcw3270Device *, Error **);
48ff20b0a3SYang Chen     int (*read_payload_3270)(EmulatedCcw3270Device *, uint32_t, uint16_t);
49ff20b0a3SYang Chen     int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t, uint32_t,
50ff20b0a3SYang Chen                               uint16_t);
51ff20b0a3SYang Chen } EmulatedCcw3270Class;
52ff20b0a3SYang Chen 
53ff20b0a3SYang Chen #endif
54