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/*
* s390 storage attributes device
*
* Copyright 2016 IBM Corp.
* Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
* directory.
*/
#ifndef S390_STORAGE_ATTRIBUTES_H
#define S390_STORAGE_ATTRIBUTES_H
#include "hw/qdev-core.h"
#include "monitor/monitor.h"
#include "qom/object.h"
#define TYPE_S390_STATTRIB "s390-storage_attributes"
#define TYPE_QEMU_S390_STATTRIB "s390-storage_attributes-qemu"
#define TYPE_KVM_S390_STATTRIB "s390-storage_attributes-kvm"
typedef struct S390StAttribClass S390StAttribClass;
typedef struct S390StAttribState S390StAttribState;
DECLARE_OBJ_CHECKERS(S390StAttribState, S390StAttribClass,
S390_STATTRIB, TYPE_S390_STATTRIB)
struct S390StAttribState {
DeviceState parent_obj;
uint64_t migration_cur_gfn;
bool migration_enabled;
};
struct S390StAttribClass {
DeviceClass parent_class;
/* Return value: < 0 on error, or new count */
int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn,
uint32_t count, uint8_t *values);
int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn,
uint32_t count, uint8_t *values);
int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn,
uint32_t count, uint8_t *values);
void (*synchronize)(S390StAttribState *sa);
int (*set_migrationmode)(S390StAttribState *sa, bool value);
int (*get_active)(S390StAttribState *sa);
long long (*get_dirtycount)(S390StAttribState *sa);
};
typedef struct QEMUS390StAttribState QEMUS390StAttribState;
DECLARE_INSTANCE_CHECKER(QEMUS390StAttribState, QEMU_S390_STATTRIB,
TYPE_QEMU_S390_STATTRIB)
struct QEMUS390StAttribState {
S390StAttribState parent_obj;
};
typedef struct KVMS390StAttribState KVMS390StAttribState;
DECLARE_INSTANCE_CHECKER(KVMS390StAttribState, KVM_S390_STATTRIB,
TYPE_KVM_S390_STATTRIB)
struct KVMS390StAttribState {
S390StAttribState parent_obj;
uint64_t still_dirty;
uint8_t *incoming_buffer;
};
void s390_stattrib_init(void);
#ifdef CONFIG_KVM
Object *kvm_s390_stattrib_create(void);
#else
static inline Object *kvm_s390_stattrib_create(void)
{
return NULL;
}
#endif
void hmp_info_cmma(Monitor *mon, const QDict *qdict);
void hmp_migrationmode(Monitor *mon, const QDict *qdict);
#endif /* S390_STORAGE_ATTRIBUTES_H */
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