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 typedef struct S390StAttribClass S390StAttribClass; 24 typedef struct S390StAttribState S390StAttribState; 25 #define S390_STATTRIB(obj) \ 26 OBJECT_CHECK(S390StAttribState, (obj), TYPE_S390_STATTRIB) 27 28 struct S390StAttribState { 29 DeviceState parent_obj; 30 uint64_t migration_cur_gfn; 31 bool migration_enabled; 32 }; 33 34 #define S390_STATTRIB_CLASS(klass) \ 35 OBJECT_CLASS_CHECK(S390StAttribClass, (klass), TYPE_S390_STATTRIB) 36 #define S390_STATTRIB_GET_CLASS(obj) \ 37 OBJECT_GET_CLASS(S390StAttribClass, (obj), TYPE_S390_STATTRIB) 38 39 struct S390StAttribClass { 40 DeviceClass parent_class; 41 /* Return value: < 0 on error, or new count */ 42 int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn, 43 uint32_t count, uint8_t *values); 44 int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn, 45 uint32_t count, uint8_t *values); 46 int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn, 47 uint32_t count, uint8_t *values); 48 void (*synchronize)(S390StAttribState *sa); 49 int (*set_migrationmode)(S390StAttribState *sa, bool value); 50 int (*get_active)(S390StAttribState *sa); 51 long long (*get_dirtycount)(S390StAttribState *sa); 52 }; 53 54 typedef struct QEMUS390StAttribState QEMUS390StAttribState; 55 #define QEMU_S390_STATTRIB(obj) \ 56 OBJECT_CHECK(QEMUS390StAttribState, (obj), TYPE_QEMU_S390_STATTRIB) 57 58 struct QEMUS390StAttribState { 59 S390StAttribState parent_obj; 60 }; 61 62 typedef struct KVMS390StAttribState KVMS390StAttribState; 63 #define KVM_S390_STATTRIB(obj) \ 64 OBJECT_CHECK(KVMS390StAttribState, (obj), TYPE_KVM_S390_STATTRIB) 65 66 struct KVMS390StAttribState { 67 S390StAttribState parent_obj; 68 uint64_t still_dirty; 69 uint8_t *incoming_buffer; 70 }; 71 72 void s390_stattrib_init(void); 73 74 #ifdef CONFIG_KVM 75 Object *kvm_s390_stattrib_create(void); 76 #else 77 static inline Object *kvm_s390_stattrib_create(void) 78 { 79 return NULL; 80 } 81 #endif 82 83 void hmp_info_cmma(Monitor *mon, const QDict *qdict); 84 void hmp_migrationmode(Monitor *mon, const QDict *qdict); 85 86 #endif /* S390_STORAGE_ATTRIBUTES_H */ 87