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/kvm.h>
  18 #include <linux/kvm_host.h>
  19
  20 typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu);
  21
  22 int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);
  23
  24 #define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\
  25 do { \
  26         debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \
  27           d_args); \
  28 } while (0)
  29
  30 #define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\
  31 do { \
  32         debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \
  33           "%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \
  34           d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\
  35           d_args); \
  36 } while (0)
  37
  38 static inline int __cpu_is_stopped(struct kvm_vcpu *vcpu)
  39 {
  40         return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOP_INT;
  41 }
  42
  43 int kvm_s390_handle_wait(struct kvm_vcpu *vcpu);
  44 void kvm_s390_idle_wakeup(unsigned long data);
  45 void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu);
  46 int kvm_s390_inject_vm(struct kvm *kvm,
  47                 struct kvm_s390_interrupt *s390int);
  48 int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
  49                 struct kvm_s390_interrupt *s390int);
  50 int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code);
  51
  52 /* implemented in priv.c */
  53 int kvm_s390_handle_priv(struct kvm_vcpu *vcpu);
  54
  55 /* implemented in sigp.c */
  56 int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu);
  57
  58 /* implemented in kvm-s390.c */
  59 int __kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
  60                                  unsigned long addr);
  61 /* implemented in diag.c */
  62 int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);
  63
  64 #endif