arch/s390/kvm/kvm-s390.h

   1 /*
   2  * kvm_s390.h -  definition for kvm on s390
   3  *
   4  * Copyright IBM Corp. 2008
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License (version 2 only)
   8  * as published by the Free Software Foundation.
   9  *
  10  *    Author(s): Carsten Otte <cotte@de.ibm.com>
  11  *               Christian Borntraeger <borntraeger@de.ibm.com>
  12  */
  13
  14 #ifndef ARCH_S390_KVM_S390_H
  15 #define ARCH_S390_KVM_S390_H
  16
  17 #include <linux/hrtimer.h>
  18 #include <linux/kvm.h>
  19 #include <linux/kvm_host.h>
  20
  21 typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu);
  22
  23 int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);
  24
  25 #define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\
  26 do { \
  27         debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \
  28           d_args); \
  29 } while (0)
  30
  31 #define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\
  32 do { \
  33         debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \
  34           "%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \
  35           d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\
  36           d_args); \
  37 } while (0)
  38
  39 static inline int __cpu_is_stopped(struct kvm_vcpu *vcpu)
  40 {
  41         return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOP_INT;
  42 }
  43
  44 int kvm_s390_handle_wait(struct kvm_vcpu *vcpu);
  45 enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer);
  46 void kvm_s390_tasklet(unsigned long parm);
  47 void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu);
  48 int kvm_s390_inject_vm(struct kvm *kvm,
  49                 struct kvm_s390_interrupt *s390int);
  50 int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
  51                 struct kvm_s390_interrupt *s390int);
  52 int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code);
  53
  54 /* implemented in priv.c */
  55 int kvm_s390_handle_b2(struct kvm_vcpu *vcpu);
  56
  57 /* implemented in sigp.c */
  58 int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu);
  59
  60 /* implemented in kvm-s390.c */
  61 int __kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
  62                                  unsigned long addr);
  63 /* implemented in diag.c */
  64 int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);
  65
  66 #endif