2dc95b4cac
This introduces the input and output handlers for 3270 device, setting up the data tunnel among guest kernel, qemu and the 3270 client. After the client connected and TN3270 handshake done, signal the not-ready to ready status by an unsolicited device-end interrupt, and then the 3270 data stream could be handled correctly between the channel and socket. Multiple commands generated by "Reset" key on x3270 are not supported now, just simply terminate the connection. Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com> Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com> Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com> Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* Emulated ccw-attached 3270 definitions
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*
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* Copyright 2017 IBM Corp.
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* Author(s): Yang Chen <bjcyang@linux.vnet.ibm.com>
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* Jing Liu <liujbjl@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#ifndef HW_S390X_3270_CCW_H
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#define HW_S390X_3270_CCW_H
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#include "hw/sysbus.h"
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#include "hw/s390x/css.h"
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#include "hw/s390x/ccw-device.h"
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#define EMULATED_CCW_3270_CU_TYPE 0x3270
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#define EMULATED_CCW_3270_CHPID_TYPE 0x1a
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#define TYPE_EMULATED_CCW_3270 "emulated-ccw-3270"
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/* Local Channel Commands */
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#define TC_WRITE 0x01 /* Write */
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#define TC_RDBUF 0x02 /* Read buffer */
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#define TC_EWRITE 0x05 /* Erase write */
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#define TC_READMOD 0x06 /* Read modified */
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#define TC_EWRITEA 0x0d /* Erase write alternate */
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#define TC_WRITESF 0x11 /* Write structured field */
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#define EMULATED_CCW_3270(obj) \
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OBJECT_CHECK(EmulatedCcw3270Device, (obj), TYPE_EMULATED_CCW_3270)
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#define EMULATED_CCW_3270_CLASS(klass) \
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OBJECT_CLASS_CHECK(EmulatedCcw3270Class, (klass), TYPE_EMULATED_CCW_3270)
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#define EMULATED_CCW_3270_GET_CLASS(obj) \
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OBJECT_GET_CLASS(EmulatedCcw3270Class, (obj), TYPE_EMULATED_CCW_3270)
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typedef struct EmulatedCcw3270Device {
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CcwDevice parent_obj;
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} EmulatedCcw3270Device;
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typedef struct EmulatedCcw3270Class {
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CCWDeviceClass parent_class;
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void (*init)(EmulatedCcw3270Device *, Error **);
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int (*read_payload_3270)(EmulatedCcw3270Device *, uint32_t, uint16_t);
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int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t, uint32_t,
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uint16_t);
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} EmulatedCcw3270Class;
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#endif
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