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
s390_is_pv(void)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 */
s390_is_pv(void)69 static inline bool s390_is_pv(void) { return false; }
s390_pv_query_info(void)70 static inline int s390_pv_query_info(void) { return 0; }
s390_pv_vm_enable(void)71 static inline int s390_pv_vm_enable(void) { return 0; }
s390_pv_vm_disable(void)72 static inline void s390_pv_vm_disable(void) {}
s390_pv_vm_try_disable_async(S390CcwMachineState * ms)73 static inline bool s390_pv_vm_try_disable_async(S390CcwMachineState *ms) { return false; }
s390_pv_set_sec_parms(uint64_t origin,uint64_t length,struct S390PVResponse * pv_resp,Error ** errp)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; }
s390_pv_unpack(uint64_t addr,uint64_t size,uint64_t tweak,struct S390PVResponse * pv_resp)77 static inline int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak,
78 struct S390PVResponse *pv_resp) { return 0; }
s390_pv_prep_reset(void)79 static inline void s390_pv_prep_reset(void) {}
s390_pv_verify(struct S390PVResponse * pv_resp)80 static inline int s390_pv_verify(struct S390PVResponse *pv_resp) { return 0; }
s390_pv_unshare(void)81 static inline void s390_pv_unshare(void) {}
s390_pv_inject_reset_error(CPUState * cs,struct S390PVResponse pv_resp)82 static inline void s390_pv_inject_reset_error(CPUState *cs,
83 struct S390PVResponse pv_resp) {};
kvm_s390_pv_dmp_get_size_cpu(void)84 static inline uint64_t kvm_s390_pv_dmp_get_size_cpu(void) { return 0; }
kvm_s390_pv_dmp_get_size_mem_state(void)85 static inline uint64_t kvm_s390_pv_dmp_get_size_mem_state(void) { return 0; }
kvm_s390_pv_dmp_get_size_completion_data(void)86 static inline uint64_t kvm_s390_pv_dmp_get_size_completion_data(void) { return 0; }
kvm_s390_pv_info_basic_valid(void)87 static inline bool kvm_s390_pv_info_basic_valid(void) { return false; }
kvm_s390_dump_init(void)88 static inline int kvm_s390_dump_init(void) { return 0; }
kvm_s390_dump_cpu(S390CPU * cpu,void * buff)89 static inline int kvm_s390_dump_cpu(S390CPU *cpu, void *buff) { return 0; }
kvm_s390_dump_mem_state(uint64_t addr,size_t len,void * dest)90 static inline int kvm_s390_dump_mem_state(uint64_t addr, size_t len,
91 void *dest) { return 0; }
kvm_s390_dump_completion_data(void * buff)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