1#ifndef PR_MANAGER_H
2#define PR_MANAGER_H
3
4#include "qom/object.h"
5#include "qapi/qmp/qdict.h"
6#include "qapi/visitor.h"
7#include "qom/object_interfaces.h"
8#include "block/aio.h"
9
10#define TYPE_PR_MANAGER "pr-manager"
11
12#define PR_MANAGER_CLASS(klass) \
13 OBJECT_CLASS_CHECK(PRManagerClass, (klass), TYPE_PR_MANAGER)
14#define PR_MANAGER_GET_CLASS(obj) \
15 OBJECT_GET_CLASS(PRManagerClass, (obj), TYPE_PR_MANAGER)
16#define PR_MANAGER(obj) \
17 OBJECT_CHECK(PRManager, (obj), TYPE_PR_MANAGER)
18
19struct sg_io_hdr;
20
21typedef struct PRManager {
22
23 Object parent;
24} PRManager;
25
26
27
28
29
30
31typedef struct PRManagerClass {
32
33 ObjectClass parent_class;
34
35
36 int (*run)(PRManager *pr_mgr, int fd, struct sg_io_hdr *hdr);
37} PRManagerClass;
38
39BlockAIOCB *pr_manager_execute(PRManager *pr_mgr,
40 AioContext *ctx, int fd,
41 struct sg_io_hdr *hdr,
42 BlockCompletionFunc *complete,
43 void *opaque);
44
45#ifdef CONFIG_LINUX
46PRManager *pr_manager_lookup(const char *id, Error **errp);
47#else
48static inline PRManager *pr_manager_lookup(const char *id, Error **errp)
49{
50
51 error_setg(errp, "No persistent reservation manager with id '%s'", id);
52 return NULL;
53}
54#endif
55
56#endif
57