56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
|
#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
|