3270-ccw.h (1391B)
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/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