blob: 5d2f13a5e4513f434f9991637cffc3e29e5262f1 [file] [log] [blame]
#ifndef PR_MANAGER_H
#define PR_MANAGER_H
#include "qom/object.h"
#include "qapi/visitor.h"
#include "qom/object_interfaces.h"
#include "block/aio.h"
#define TYPE_PR_MANAGER "pr-manager"
#define PR_MANAGER_CLASS(klass) \
OBJECT_CLASS_CHECK(PRManagerClass, (klass), TYPE_PR_MANAGER)
#define PR_MANAGER_GET_CLASS(obj) \
OBJECT_GET_CLASS(PRManagerClass, (obj), TYPE_PR_MANAGER)
#define PR_MANAGER(obj) \
OBJECT_CHECK(PRManager, (obj), TYPE_PR_MANAGER)
struct sg_io_hdr;
typedef struct PRManager {
/* <private> */
Object parent;
} PRManager;
/**
* PRManagerClass:
* @parent_class: the base class
* @run: callback invoked in thread pool context
*/
typedef struct PRManagerClass {
/* <private> */
ObjectClass parent_class;
/* <public> */
int (*run)(PRManager *pr_mgr, int fd, struct sg_io_hdr *hdr);
} PRManagerClass;
BlockAIOCB *pr_manager_execute(PRManager *pr_mgr,
AioContext *ctx, int fd,
struct sg_io_hdr *hdr,
BlockCompletionFunc *complete,
void *opaque);
#ifdef CONFIG_LINUX
PRManager *pr_manager_lookup(const char *id, Error **errp);
#else
static inline PRManager *pr_manager_lookup(const char *id, Error **errp)
{
/* The classes do not exist at all! */
error_setg(errp, "No persistent reservation manager with id '%s'", id);
return NULL;
}
#endif
#endif