| 1 | /* |
| 2 | * Emulated ccw-attached 3270 definitions |
| 3 | * |
| 4 | * Copyright 2017 IBM Corp. |
| 5 | * Author(s): Yang Chen <bjcyang@linux.vnet.ibm.com> |
| 6 | * Jing Liu <liujbjl@linux.vnet.ibm.com> |
| 7 | * |
| 8 | * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| 9 | * your option) any later version. See the COPYING file in the top-level |
| 10 | * directory. |
| 11 | */ |
| 12 | |
| 13 | #ifndef HW_S390X_3270_CCW_H |
| 14 | #define HW_S390X_3270_CCW_H |
| 15 | |
| 16 | #include "hw/core/sysbus.h" |
| 17 | #include "hw/s390x/css.h" |
| 18 | #include "hw/s390x/ccw-device.h" |
| 19 | #include "qom/object.h" |
| 20 | |
| 21 | #define EMULATED_CCW_3270_CU_TYPE 0x3270 |
| 22 | #define EMULATED_CCW_3270_CHPID_TYPE 0x1a |
| 23 | |
| 24 | #define TYPE_EMULATED_CCW_3270 "emulated-ccw-3270" |
| 25 | |
| 26 | /* Local Channel Commands */ |
| 27 | #define TC_WRITE 0x01 /* Write */ |
| 28 | #define TC_RDBUF 0x02 /* Read buffer */ |
| 29 | #define TC_EWRITE 0x05 /* Erase write */ |
| 30 | #define TC_READMOD 0x06 /* Read modified */ |
| 31 | #define TC_EWRITEA 0x0d /* Erase write alternate */ |
| 32 | #define TC_WRITESF 0x11 /* Write structured field */ |
| 33 | |
| 34 | OBJECT_DECLARE_TYPE(EmulatedCcw3270Device, EmulatedCcw3270Class, EMULATED_CCW_3270) |
| 35 | |
| 36 | struct EmulatedCcw3270Device { |
| 37 | CcwDevice parent_obj; |
| 38 | }; |
| 39 | |
| 40 | struct EmulatedCcw3270Class { |
| 41 | CCWDeviceClass parent_class; |
| 42 | |
| 43 | void (*init)(EmulatedCcw3270Device *, Error **); |
| 44 | int (*read_payload_3270)(EmulatedCcw3270Device *); |
| 45 | int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t); |
| 46 | }; |
| 47 | |
| 48 | #endif |