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s390x/kvm: implement floating-interrupt controller device

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This patch implements a floating-interrupt controller device (flic)
which interacts with the s390 flic kvm_device.

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jens Freimann 2013-07-16 09:04:04 +02:00 • committed by Christian Borntraeger
parent 216db403d0
commit 3a553fc658
7 changed files with 335 additions and 1 deletions
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33
include/hw/s390x/s390_flic.h Normal file
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/*
* QEMU S390x KVM floating interrupt controller (flic)
*
* Copyright 2014 IBM Corp.
* Author(s): Jens Freimann <jfrei@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 __KVM_S390_FLIC_H
#define __KVM_S390_FLIC_H
#include "hw/sysbus.h"
#define TYPE_KVM_S390_FLIC "s390-flic"
#define KVM_S390_FLIC(obj) \
OBJECT_CHECK(KVMS390FLICState, (obj), TYPE_KVM_S390_FLIC)
typedef struct KVMS390FLICState {
SysBusDevice parent_obj;
uint32_t fd;
} KVMS390FLICState;
#ifdef CONFIG_KVM
void s390_flic_init(void);
#else
static inline void s390_flic_init(void) { }
#endif
#endif /* __KVM_S390_FLIC_H */