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kvm-s390.h

/*
 * kvm_s390.h -  definition for kvm on s390
 *
 * Copyright IBM Corp. 2008
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (version 2 only)
 * as published by the Free Software Foundation.
 *
 *    Author(s): Carsten Otte <cotte@de.ibm.com>
 *               Christian Borntraeger <borntraeger@de.ibm.com>
 */

#ifndef ARCH_S390_KVM_S390_H
#define ARCH_S390_KVM_S390_H

#include <linux/kvm.h>
#include <linux/kvm_host.h>

typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu);

int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);

#define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\
do { \
      debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \
        d_args); \
} while (0)

#define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\
do { \
      debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \
        "%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \
        d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\
        d_args); \
} while (0)

static inline int __cpu_is_stopped(struct kvm_vcpu *vcpu)
{
      return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOP_INT;
}

int kvm_s390_handle_wait(struct kvm_vcpu *vcpu);
void kvm_s390_idle_wakeup(unsigned long data);
void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu);
int kvm_s390_inject_vm(struct kvm *kvm,
            struct kvm_s390_interrupt *s390int);
int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
            struct kvm_s390_interrupt *s390int);
int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code);

/* implemented in priv.c */
int kvm_s390_handle_priv(struct kvm_vcpu *vcpu);

/* implemented in sigp.c */
int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu);

/* implemented in kvm-s390.c */
int __kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
                         unsigned long addr);
/* implemented in diag.c */
int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);

#endif

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