LXR qemu/include/hw/s390x/3270-ccw.h

   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
  34OBJECT_DECLARE_TYPE(EmulatedCcw3270Device, EmulatedCcw3270Class, EMULATED_CCW_3270)
  35
  36struct EmulatedCcw3270Device {
  37    CcwDevice parent_obj;
  38};
  39
  40struct 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
  49