1 /* 2 * s390 storage attributes device 3 * 4 * Copyright 2016 IBM Corp. 5 * Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> 6 * 7 * This work is licensed under the terms of the GNU GPL, version 2 or (at 8 * your option) any later version. See the COPYING file in the top-level 9 * directory. 10 */ 11 12 #ifndef S390_STORAGE_ATTRIBUTES_H 13 #define S390_STORAGE_ATTRIBUTES_H 14 15 #include "hw/qdev-core.h" 16 #include "monitor/monitor.h" 17 #include "qom/object.h" 18 19 #define TYPE_S390_STATTRIB "s390-storage_attributes" 20 #define TYPE_QEMU_S390_STATTRIB "s390-storage_attributes-qemu" 21 #define TYPE_KVM_S390_STATTRIB "s390-storage_attributes-kvm" 22 23 OBJECT_DECLARE_TYPE(S390StAttribState, S390StAttribClass, S390_STATTRIB) 24 25 struct S390StAttribState { 26 DeviceState parent_obj; 27 uint64_t migration_cur_gfn; 28 }; 29 30 31 struct S390StAttribClass { 32 DeviceClass parent_class; 33 /* Return value: < 0 on error, or new count */ 34 int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn, 35 uint32_t count, uint8_t *values); 36 int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn, 37 uint32_t count, uint8_t *values); 38 int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn, 39 uint32_t count, uint8_t *values); 40 void (*synchronize)(S390StAttribState *sa); 41 int (*set_migrationmode)(S390StAttribState *sa, bool value, Error **errp); 42 int (*get_active)(S390StAttribState *sa); 43 long long (*get_dirtycount)(S390StAttribState *sa); 44 }; 45 46 typedef struct QEMUS390StAttribState QEMUS390StAttribState; 47 DECLARE_INSTANCE_CHECKER(QEMUS390StAttribState, QEMU_S390_STATTRIB, 48 TYPE_QEMU_S390_STATTRIB) 49 50 struct QEMUS390StAttribState { 51 S390StAttribState parent_obj; 52 }; 53 54 typedef struct KVMS390StAttribState KVMS390StAttribState; 55 DECLARE_INSTANCE_CHECKER(KVMS390StAttribState, KVM_S390_STATTRIB, 56 TYPE_KVM_S390_STATTRIB) 57 58 struct KVMS390StAttribState { 59 S390StAttribState parent_obj; 60 uint64_t still_dirty; 61 uint8_t *incoming_buffer; 62 }; 63 64 void s390_stattrib_init(void); 65 66 #ifdef CONFIG_KVM 67 Object *kvm_s390_stattrib_create(void); 68 #else 69 static inline Object *kvm_s390_stattrib_create(void) 70 { 71 return NULL; 72 } 73 #endif 74 75 void hmp_info_cmma(Monitor *mon, const QDict *qdict); 76 void hmp_migrationmode(Monitor *mon, const QDict *qdict); 77 78 #endif /* S390_STORAGE_ATTRIBUTES_H */ 79