1 /* 2 * Protected Virtualization header 3 * 4 * Copyright IBM Corp. 2020 5 * Author(s): 6 * Janosch Frank <frankja@linux.ibm.com> 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or (at 9 * your option) any later version. See the COPYING file in the top-level 10 * directory. 11 */ 12 #ifndef HW_S390_PV_H 13 #define HW_S390_PV_H 14 15 #include "qapi/error.h" 16 #include "system/kvm.h" 17 #include "hw/s390x/s390-virtio-ccw.h" 18 19 struct S390PVResponse { 20 uint16_t cmd; 21 uint16_t rrc; 22 uint16_t rc; 23 }; 24 25 #ifdef CONFIG_KVM 26 #include "cpu.h" 27 28 static inline bool s390_is_pv(void) 29 { 30 static S390CcwMachineState *ccw; 31 Object *obj; 32 33 if (ccw) { 34 return ccw->pv; 35 } 36 37 /* we have to bail out for the "none" machine */ 38 obj = object_dynamic_cast(qdev_get_machine(), 39 TYPE_S390_CCW_MACHINE); 40 if (!obj) { 41 return false; 42 } 43 ccw = S390_CCW_MACHINE(obj); 44 return ccw->pv; 45 } 46 47 int s390_pv_query_info(void); 48 int s390_pv_vm_enable(void); 49 void s390_pv_vm_disable(void); 50 bool s390_pv_vm_try_disable_async(S390CcwMachineState *ms); 51 int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, 52 struct S390PVResponse *pv_resp, Error **errp); 53 int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak, 54 struct S390PVResponse *pv_resp); 55 void s390_pv_prep_reset(void); 56 int s390_pv_verify(struct S390PVResponse *pv_resp); 57 void s390_pv_unshare(void); 58 void s390_pv_inject_reset_error(CPUState *cs, 59 struct S390PVResponse pv_resp); 60 uint64_t kvm_s390_pv_dmp_get_size_cpu(void); 61 uint64_t kvm_s390_pv_dmp_get_size_mem_state(void); 62 uint64_t kvm_s390_pv_dmp_get_size_completion_data(void); 63 bool kvm_s390_pv_info_basic_valid(void); 64 int kvm_s390_dump_init(void); 65 int kvm_s390_dump_cpu(S390CPU *cpu, void *buff); 66 int kvm_s390_dump_mem_state(uint64_t addr, size_t len, void *dest); 67 int kvm_s390_dump_completion_data(void *buff); 68 #else /* CONFIG_KVM */ 69 static inline bool s390_is_pv(void) { return false; } 70 static inline int s390_pv_query_info(void) { return 0; } 71 static inline int s390_pv_vm_enable(void) { return 0; } 72 static inline void s390_pv_vm_disable(void) {} 73 static inline bool s390_pv_vm_try_disable_async(S390CcwMachineState *ms) { return false; } 74 static inline int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, 75 struct S390PVResponse *pv_resp, 76 Error **errp) { return 0; } 77 static inline int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak, 78 struct S390PVResponse *pv_resp) { return 0; } 79 static inline void s390_pv_prep_reset(void) {} 80 static inline int s390_pv_verify(struct S390PVResponse *pv_resp) { return 0; } 81 static inline void s390_pv_unshare(void) {} 82 static inline void s390_pv_inject_reset_error(CPUState *cs, 83 struct S390PVResponse pv_resp) {}; 84 static inline uint64_t kvm_s390_pv_dmp_get_size_cpu(void) { return 0; } 85 static inline uint64_t kvm_s390_pv_dmp_get_size_mem_state(void) { return 0; } 86 static inline uint64_t kvm_s390_pv_dmp_get_size_completion_data(void) { return 0; } 87 static inline bool kvm_s390_pv_info_basic_valid(void) { return false; } 88 static inline int kvm_s390_dump_init(void) { return 0; } 89 static inline int kvm_s390_dump_cpu(S390CPU *cpu, void *buff) { return 0; } 90 static inline int kvm_s390_dump_mem_state(uint64_t addr, size_t len, 91 void *dest) { return 0; } 92 static inline int kvm_s390_dump_completion_data(void *buff) { return 0; } 93 #endif /* CONFIG_KVM */ 94 95 #endif /* HW_S390_PV_H */ 96