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s390x: Introduce PV query interface

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Introduce an interface over which we can get information about UV data.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20221017083822.43118-8-frankja@linux.ibm.com>
This commit is contained in:
Janosch Frank 2022-10-17 08:38:19 +00:00 • committed by Marc-André Lureau
parent ad3b2e693d
commit 03d83ecfae
3 changed files with 77 additions and 0 deletions
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10
include/hw/s390x/pv.h
View file

@ -38,6 +38,7 @@ static inline bool s390_is_pv(void)
return ccw->pv;
}
int s390_pv_query_info(void);
int s390_pv_vm_enable(void);
void s390_pv_vm_disable(void);
int s390_pv_set_sec_parms(uint64_t origin, uint64_t length);
@ -46,8 +47,13 @@ void s390_pv_prep_reset(void);
int s390_pv_verify(void);
void s390_pv_unshare(void);
void s390_pv_inject_reset_error(CPUState *cs);
uint64_t kvm_s390_pv_dmp_get_size_cpu(void);
uint64_t kvm_s390_pv_dmp_get_size_mem_state(void);
uint64_t kvm_s390_pv_dmp_get_size_completion_data(void);
bool kvm_s390_pv_info_basic_valid(void);
#else /* CONFIG_KVM */
static inline bool s390_is_pv(void) { return false; }
static inline int s390_pv_query_info(void) { return 0; }
static inline int s390_pv_vm_enable(void) { return 0; }
static inline void s390_pv_vm_disable(void) {}
static inline int s390_pv_set_sec_parms(uint64_t origin, uint64_t length) { return 0; }
@ -56,6 +62,10 @@ static inline void s390_pv_prep_reset(void) {}
static inline int s390_pv_verify(void) { return 0; }
static inline void s390_pv_unshare(void) {}
static inline void s390_pv_inject_reset_error(CPUState *cs) {};
static inline uint64_t kvm_s390_pv_dmp_get_size_cpu(void) { return 0; }
static inline uint64_t kvm_s390_pv_dmp_get_size_mem_state(void) { return 0; }
static inline uint64_t kvm_s390_pv_dmp_get_size_completion_data(void) { return 0; }
static inline bool kvm_s390_pv_info_basic_valid(void) { return false; }
#endif /* CONFIG_KVM */
int s390_pv_kvm_init(ConfidentialGuestSupport *cgs, Error **errp);