0d09e41a51
Many of these should be cleaned up with proper qdev-/QOM-ification. Right now there are many catch-all headers in include/hw/ARCH depending on cpu.h, and this makes it necessary to compile these files per-target. However, fixing this does not belong in these patches. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/*
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* SCLP
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* Event Facility definitions
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*
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* Copyright IBM, Corp. 2012
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*
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* Authors:
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* Heinz Graalfs <graalfs@de.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 your
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* option) any later version. See the COPYING file in the top-level directory.
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*
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*/
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#ifndef HW_S390_SCLP_EVENT_FACILITY_H
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#define HW_S390_SCLP_EVENT_FACILITY_H
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#include <hw/qdev.h>
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#include "qemu/thread.h"
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/* SCLP event types */
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#define SCLP_EVENT_ASCII_CONSOLE_DATA 0x1a
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#define SCLP_EVENT_SIGNAL_QUIESCE 0x1d
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/* SCLP event masks */
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#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008
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#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040
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#define SCLP_UNCONDITIONAL_READ 0x00
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#define SCLP_SELECTIVE_READ 0x01
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#define TYPE_SCLP_EVENT "s390-sclp-event-type"
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#define SCLP_EVENT(obj) \
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OBJECT_CHECK(SCLPEvent, (obj), TYPE_SCLP_EVENT)
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#define SCLP_EVENT_CLASS(klass) \
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OBJECT_CLASS_CHECK(SCLPEventClass, (klass), TYPE_SCLP_EVENT)
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#define SCLP_EVENT_GET_CLASS(obj) \
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OBJECT_GET_CLASS(SCLPEventClass, (obj), TYPE_SCLP_EVENT)
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typedef struct WriteEventMask {
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SCCBHeader h;
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uint16_t _reserved;
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uint16_t mask_length;
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uint32_t cp_receive_mask;
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uint32_t cp_send_mask;
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uint32_t send_mask;
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uint32_t receive_mask;
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} QEMU_PACKED WriteEventMask;
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typedef struct EventBufferHeader {
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uint16_t length;
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uint8_t type;
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uint8_t flags;
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uint16_t _reserved;
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} QEMU_PACKED EventBufferHeader;
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typedef struct WriteEventData {
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SCCBHeader h;
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EventBufferHeader ebh;
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} QEMU_PACKED WriteEventData;
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typedef struct ReadEventData {
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SCCBHeader h;
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EventBufferHeader ebh;
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uint32_t mask;
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} QEMU_PACKED ReadEventData;
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typedef struct SCLPEvent {
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DeviceState qdev;
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bool event_pending;
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uint32_t event_type;
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char *name;
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} SCLPEvent;
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typedef struct SCLPEventClass {
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DeviceClass parent_class;
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int (*init)(SCLPEvent *event);
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int (*exit)(SCLPEvent *event);
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/* get SCLP's send mask */
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unsigned int (*get_send_mask)(void);
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/* get SCLP's receive mask */
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unsigned int (*get_receive_mask)(void);
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int (*read_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr,
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int *slen);
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int (*write_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr);
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/* returns the supported event type */
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int (*event_type)(void);
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} SCLPEventClass;
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#endif
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