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.h> 16 #include "monitor/monitor.h" 17 18 #define TYPE_S390_STATTRIB "s390-storage_attributes" 19 #define TYPE_QEMU_S390_STATTRIB "s390-storage_attributes-qemu" 20 #define TYPE_KVM_S390_STATTRIB "s390-storage_attributes-kvm" 21 22 #define S390_STATTRIB(obj) \ 23 OBJECT_CHECK(S390StAttribState, (obj), TYPE_S390_STATTRIB) 24 25 typedef struct S390StAttribState { 26 DeviceState parent_obj; 27 uint64_t migration_cur_gfn; 28 bool migration_enabled; 29 } S390StAttribState; 30 31 #define S390_STATTRIB_CLASS(klass) \ 32 OBJECT_CLASS_CHECK(S390StAttribClass, (klass), TYPE_S390_STATTRIB) 33 #define S390_STATTRIB_GET_CLASS(obj) \ 34 OBJECT_GET_CLASS(S390StAttribClass, (obj), TYPE_S390_STATTRIB) 35 36 typedef struct S390StAttribClass { 37 DeviceClass parent_class; 38 /* Return value: < 0 on error, or new count */ 39 int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn, 40 uint32_t count, uint8_t *values); 41 int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn, 42 uint32_t count, uint8_t *values); 43 int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn, 44 uint32_t count, uint8_t *values); 45 void (*synchronize)(S390StAttribState *sa); 46 int (*set_migrationmode)(S390StAttribState *sa, bool value); 47 int (*get_active)(S390StAttribState *sa); 48 long long (*get_dirtycount)(S390StAttribState *sa); 49 } S390StAttribClass; 50 51 #define QEMU_S390_STATTRIB(obj) \ 52 OBJECT_CHECK(QEMUS390StAttribState, (obj), TYPE_QEMU_S390_STATTRIB) 53 54 typedef struct QEMUS390StAttribState { 55 S390StAttribState parent_obj; 56 } QEMUS390StAttribState; 57 58 #define KVM_S390_STATTRIB(obj) \ 59 OBJECT_CHECK(KVMS390StAttribState, (obj), TYPE_KVM_S390_STATTRIB) 60 61 typedef struct KVMS390StAttribState { 62 S390StAttribState parent_obj; 63 uint64_t still_dirty; 64 uint8_t *incoming_buffer; 65 } KVMS390StAttribState; 66 67 void s390_stattrib_init(void); 68 69 #ifdef CONFIG_KVM 70 Object *kvm_s390_stattrib_create(void); 71 #else 72 static inline Object *kvm_s390_stattrib_create(void) 73 { 74 return NULL; 75 } 76 #endif 77 78 void hmp_info_cmma(Monitor *mon, const QDict *qdict); 79 void hmp_migrationmode(Monitor *mon, const QDict *qdict); 80 81 #endif /* S390_STORAGE_ATTRIBUTES_H */ 82