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
__cpu_is_stopped(struct kvm_vcpu * vcpu)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
65