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_b2(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 65