1c3347ed0SJanosch Frank /* 2c3347ed0SJanosch Frank * Protected Virtualization header 3c3347ed0SJanosch Frank * 4c3347ed0SJanosch Frank * Copyright IBM Corp. 2020 5c3347ed0SJanosch Frank * Author(s): 6c3347ed0SJanosch Frank * Janosch Frank <frankja@linux.ibm.com> 7c3347ed0SJanosch Frank * 8c3347ed0SJanosch Frank * This work is licensed under the terms of the GNU GPL, version 2 or (at 9c3347ed0SJanosch Frank * your option) any later version. See the COPYING file in the top-level 10c3347ed0SJanosch Frank * directory. 11c3347ed0SJanosch Frank */ 12c3347ed0SJanosch Frank #ifndef HW_S390_PV_H 13c3347ed0SJanosch Frank #define HW_S390_PV_H 14c3347ed0SJanosch Frank 15651615d9SDavid Gibson #include "qapi/error.h" 16*32cad1ffSPhilippe Mathieu-Daudé #include "system/kvm.h" 1788693ab2SClaudio Imbrenda #include "hw/s390x/s390-virtio-ccw.h" 18651615d9SDavid Gibson 19c3347ed0SJanosch Frank #ifdef CONFIG_KVM 20fbc1384cSChristian Borntraeger #include "cpu.h" 21c3347ed0SJanosch Frank 22c3347ed0SJanosch Frank static inline bool s390_is_pv(void) 23c3347ed0SJanosch Frank { 24c3347ed0SJanosch Frank static S390CcwMachineState *ccw; 25c3347ed0SJanosch Frank Object *obj; 26c3347ed0SJanosch Frank 27c3347ed0SJanosch Frank if (ccw) { 28c3347ed0SJanosch Frank return ccw->pv; 29c3347ed0SJanosch Frank } 30c3347ed0SJanosch Frank 31c3347ed0SJanosch Frank /* we have to bail out for the "none" machine */ 32c3347ed0SJanosch Frank obj = object_dynamic_cast(qdev_get_machine(), 33c3347ed0SJanosch Frank TYPE_S390_CCW_MACHINE); 34c3347ed0SJanosch Frank if (!obj) { 35c3347ed0SJanosch Frank return false; 36c3347ed0SJanosch Frank } 37c3347ed0SJanosch Frank ccw = S390_CCW_MACHINE(obj); 38c3347ed0SJanosch Frank return ccw->pv; 39c3347ed0SJanosch Frank } 40c3347ed0SJanosch Frank 4103d83ecfSJanosch Frank int s390_pv_query_info(void); 42c3347ed0SJanosch Frank int s390_pv_vm_enable(void); 43c3347ed0SJanosch Frank void s390_pv_vm_disable(void); 4488693ab2SClaudio Imbrenda bool s390_pv_vm_try_disable_async(S390CcwMachineState *ms); 457af51621SThomas Huth int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, Error **errp); 46c3347ed0SJanosch Frank int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak); 479a432597SJanosch Frank void s390_pv_prep_reset(void); 48c3347ed0SJanosch Frank int s390_pv_verify(void); 49c3347ed0SJanosch Frank void s390_pv_unshare(void); 50fbc1384cSChristian Borntraeger void s390_pv_inject_reset_error(CPUState *cs); 5103d83ecfSJanosch Frank uint64_t kvm_s390_pv_dmp_get_size_cpu(void); 5203d83ecfSJanosch Frank uint64_t kvm_s390_pv_dmp_get_size_mem_state(void); 5303d83ecfSJanosch Frank uint64_t kvm_s390_pv_dmp_get_size_completion_data(void); 5403d83ecfSJanosch Frank bool kvm_s390_pv_info_basic_valid(void); 55753ca06fSJanosch Frank int kvm_s390_dump_init(void); 56753ca06fSJanosch Frank int kvm_s390_dump_cpu(S390CPU *cpu, void *buff); 57753ca06fSJanosch Frank int kvm_s390_dump_mem_state(uint64_t addr, size_t len, void *dest); 58753ca06fSJanosch Frank int kvm_s390_dump_completion_data(void *buff); 59c3347ed0SJanosch Frank #else /* CONFIG_KVM */ 60c3347ed0SJanosch Frank static inline bool s390_is_pv(void) { return false; } 6103d83ecfSJanosch Frank static inline int s390_pv_query_info(void) { return 0; } 62c3347ed0SJanosch Frank static inline int s390_pv_vm_enable(void) { return 0; } 63c3347ed0SJanosch Frank static inline void s390_pv_vm_disable(void) {} 6488693ab2SClaudio Imbrenda static inline bool s390_pv_vm_try_disable_async(S390CcwMachineState *ms) { return false; } 657af51621SThomas Huth static inline int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, 667af51621SThomas Huth Error **errp) { return 0; } 67c3347ed0SJanosch Frank static inline int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak) { return 0; } 689a432597SJanosch Frank static inline void s390_pv_prep_reset(void) {} 69c3347ed0SJanosch Frank static inline int s390_pv_verify(void) { return 0; } 70c3347ed0SJanosch Frank static inline void s390_pv_unshare(void) {} 71fbc1384cSChristian Borntraeger static inline void s390_pv_inject_reset_error(CPUState *cs) {}; 7203d83ecfSJanosch Frank static inline uint64_t kvm_s390_pv_dmp_get_size_cpu(void) { return 0; } 7303d83ecfSJanosch Frank static inline uint64_t kvm_s390_pv_dmp_get_size_mem_state(void) { return 0; } 7403d83ecfSJanosch Frank static inline uint64_t kvm_s390_pv_dmp_get_size_completion_data(void) { return 0; } 7503d83ecfSJanosch Frank static inline bool kvm_s390_pv_info_basic_valid(void) { return false; } 76753ca06fSJanosch Frank static inline int kvm_s390_dump_init(void) { return 0; } 77753ca06fSJanosch Frank static inline int kvm_s390_dump_cpu(S390CPU *cpu, void *buff) { return 0; } 78753ca06fSJanosch Frank static inline int kvm_s390_dump_mem_state(uint64_t addr, size_t len, 79753ca06fSJanosch Frank void *dest) { return 0; } 80753ca06fSJanosch Frank static inline int kvm_s390_dump_completion_data(void *buff) { return 0; } 81c3347ed0SJanosch Frank #endif /* CONFIG_KVM */ 82c3347ed0SJanosch Frank 83c3347ed0SJanosch Frank #endif /* HW_S390_PV_H */ 84