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 bool migration_enabled; 29 }; 30 31 32 struct S390StAttribClass { 33 DeviceClass parent_class; 34 /* Return value: < 0 on error, or new count */ 35 int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn, 36 uint32_t count, uint8_t *values); 37 int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn, 38 uint32_t count, uint8_t *values); 39 int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn, 40 uint32_t count, uint8_t *values); 41 void (*synchronize)(S390StAttribState *sa); 42 int (*set_migrationmode)(S390StAttribState *sa, bool value); 43 int (*get_active)(S390StAttribState *sa); 44 long long (*get_dirtycount)(S390StAttribState *sa); 45 }; 46 47 typedef struct QEMUS390StAttribState QEMUS390StAttribState; 48 DECLARE_INSTANCE_CHECKER(QEMUS390StAttribState, QEMU_S390_STATTRIB, 49 TYPE_QEMU_S390_STATTRIB) 50 51 struct QEMUS390StAttribState { 52 S390StAttribState parent_obj; 53 }; 54 55 typedef struct KVMS390StAttribState KVMS390StAttribState; 56 DECLARE_INSTANCE_CHECKER(KVMS390StAttribState, KVM_S390_STATTRIB, 57 TYPE_KVM_S390_STATTRIB) 58 59 struct KVMS390StAttribState { 60 S390StAttribState parent_obj; 61 uint64_t still_dirty; 62 uint8_t *incoming_buffer; 63 }; 64 65 void s390_stattrib_init(void); 66 67 #ifdef CONFIG_KVM 68 Object *kvm_s390_stattrib_create(void); 69 #else 70 static inline Object *kvm_s390_stattrib_create(void) 71 { 72 return NULL; 73 } 74 #endif 75 76 void hmp_info_cmma(Monitor *mon, const QDict *qdict); 77 void hmp_migrationmode(Monitor *mon, const QDict *qdict); 78 79 #endif /* S390_STORAGE_ATTRIBUTES_H */ 80