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-rw-r--r--include/hw/s390x/3270-ccw.h53
-rw-r--r--include/hw/s390x/css.h2
-rw-r--r--include/hw/s390x/s390-virtio-ccw.h1
3 files changed, 56 insertions, 0 deletions
diff --git a/include/hw/s390x/3270-ccw.h b/include/hw/s390x/3270-ccw.h
new file mode 100644
index 0000000000..46bee2533c
--- /dev/null
+++ b/include/hw/s390x/3270-ccw.h
@@ -0,0 +1,53 @@
+/*
+ * 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"
+
+#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 */
+
+#define EMULATED_CCW_3270(obj) \
+ OBJECT_CHECK(EmulatedCcw3270Device, (obj), TYPE_EMULATED_CCW_3270)
+#define EMULATED_CCW_3270_CLASS(klass) \
+ OBJECT_CLASS_CHECK(EmulatedCcw3270Class, (klass), TYPE_EMULATED_CCW_3270)
+#define EMULATED_CCW_3270_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(EmulatedCcw3270Class, (obj), TYPE_EMULATED_CCW_3270)
+
+typedef struct EmulatedCcw3270Device {
+ CcwDevice parent_obj;
+} EmulatedCcw3270Device;
+
+typedef struct EmulatedCcw3270Class {
+ CCWDeviceClass parent_class;
+
+ void (*init)(EmulatedCcw3270Device *, Error **);
+ int (*read_payload_3270)(EmulatedCcw3270Device *, uint32_t, uint16_t);
+ int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t, uint32_t,
+ uint16_t);
+} EmulatedCcw3270Class;
+
+#endif
diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h
index f1f0d7f07a..e61fa74d9b 100644
--- a/include/hw/s390x/css.h
+++ b/include/hw/s390x/css.h
@@ -28,6 +28,7 @@
#define MAX_CIWS 62
#define VIRTUAL_CSSID 0xfe
+#define VIRTIO_CCW_CHPID 0 /* used by convention */
typedef struct CIW {
uint8_t type;
@@ -115,6 +116,7 @@ bool css_devno_used(uint8_t cssid, uint8_t ssid, uint16_t devno);
void css_subch_assign(uint8_t cssid, uint8_t ssid, uint16_t schid,
uint16_t devno, SubchDev *sch);
void css_sch_build_virtual_schib(SubchDev *sch, uint8_t chpid, uint8_t type);
+unsigned int css_find_free_chpid(uint8_t cssid);
uint16_t css_build_subchannel_id(SubchDev *sch);
void css_reset(void);
void css_reset_sch(SubchDev *sch);
diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index 6ecae00386..7b8a3e4d74 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -28,6 +28,7 @@ typedef struct S390CcwMachineState {
/*< public >*/
bool aes_key_wrap;
bool dea_key_wrap;
+ uint8_t loadparm[8];
} S390CcwMachineState;
typedef struct S390CcwMachineClass {