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s390x: Add KVM PV dump interface

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Let's add a few bits of code which hide the new KVM PV dump API from
us via new functions.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
[ Marc-André: fix up for compilation issue ]
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221017083822.43118-10-frankja@linux.ibm.com>
This commit is contained in:
Janosch Frank 2022-10-17 08:38:21 +00:00 • committed by Marc-André Lureau
parent 5433669c7a
commit 753ca06f47
2 changed files with 60 additions and 0 deletions
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9
include/hw/s390x/pv.h
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@ -51,6 +51,10 @@ 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);
int kvm_s390_dump_init(void);
int kvm_s390_dump_cpu(S390CPU *cpu, void *buff);
int kvm_s390_dump_mem_state(uint64_t addr, size_t len, void *dest);
int kvm_s390_dump_completion_data(void *buff);
#else /* CONFIG_KVM */
static inline bool s390_is_pv(void) { return false; }
static inline int s390_pv_query_info(void) { return 0; }
@ -66,6 +70,11 @@ 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; }
static inline int kvm_s390_dump_init(void) { return 0; }
static inline int kvm_s390_dump_cpu(S390CPU *cpu, void *buff) { return 0; }
static inline int kvm_s390_dump_mem_state(uint64_t addr, size_t len,
void *dest) { return 0; }
static inline int kvm_s390_dump_completion_data(void *buff) { return 0; }
#endif /* CONFIG_KVM */
int s390_pv_kvm_init(ConfidentialGuestSupport *cgs, Error **errp);