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Diffstat (limited to 'include/hw/s390x/3270-ccw.h')
-rw-r--r-- | include/hw/s390x/3270-ccw.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/hw/s390x/3270-ccw.h b/include/hw/s390x/3270-ccw.h new file mode 100644 index 000000000..143988229 --- /dev/null +++ b/include/hw/s390x/3270-ccw.h @@ -0,0 +1,48 @@ +/* + * Emulated ccw-attached 3270 definitions + * + * Copyright 2017 IBM Corp. + * Author(s): Yang Chen <bjcyang@linux.vnet.ibm.com> + * Jing Liu <liujbjl@linux.vnet.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#ifndef HW_S390X_3270_CCW_H +#define HW_S390X_3270_CCW_H + +#include "hw/sysbus.h" +#include "hw/s390x/css.h" +#include "hw/s390x/ccw-device.h" +#include "qom/object.h" + +#define EMULATED_CCW_3270_CU_TYPE 0x3270 +#define EMULATED_CCW_3270_CHPID_TYPE 0x1a + +#define TYPE_EMULATED_CCW_3270 "emulated-ccw-3270" + +/* Local Channel Commands */ +#define TC_WRITE 0x01 /* Write */ +#define TC_RDBUF 0x02 /* Read buffer */ +#define TC_EWRITE 0x05 /* Erase write */ +#define TC_READMOD 0x06 /* Read modified */ +#define TC_EWRITEA 0x0d /* Erase write alternate */ +#define TC_WRITESF 0x11 /* Write structured field */ + +OBJECT_DECLARE_TYPE(EmulatedCcw3270Device, EmulatedCcw3270Class, EMULATED_CCW_3270) + +struct EmulatedCcw3270Device { + CcwDevice parent_obj; +}; + +struct EmulatedCcw3270Class { + CCWDeviceClass parent_class; + + void (*init)(EmulatedCcw3270Device *, Error **); + int (*read_payload_3270)(EmulatedCcw3270Device *); + int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t); +}; + +#endif |