include/scsi/pr-manager.h

   1 #ifndef PR_MANAGER_H
   2 #define PR_MANAGER_H
   3
   4 #include "qom/object.h"
   5 #include "qapi/visitor.h"
   6 #include "qom/object_interfaces.h"
   7 #include "block/aio.h"
   8 #include "qemu/coroutine.h"
   9
  10 #define TYPE_PR_MANAGER "pr-manager"
  11
  12 typedef struct PRManager PRManager;
  13 typedef struct PRManagerClass PRManagerClass;
  14 #define PR_MANAGER_CLASS(klass) \
  15      OBJECT_CLASS_CHECK(PRManagerClass, (klass), TYPE_PR_MANAGER)
  16 #define PR_MANAGER_GET_CLASS(obj) \
  17      OBJECT_GET_CLASS(PRManagerClass, (obj), TYPE_PR_MANAGER)
  18 #define PR_MANAGER(obj) \
  19      OBJECT_CHECK(PRManager, (obj), TYPE_PR_MANAGER)
  20
  21 struct sg_io_hdr;
  22
  23 struct PRManager {
  24     /* <private> */
  25     Object parent;
  26 };
  27
  28 /**
  29  * PRManagerClass:
  30  * @parent_class: the base class
  31  * @run: callback invoked in thread pool context
  32  */
  33 struct PRManagerClass {
  34     /* <private> */
  35     ObjectClass parent_class;
  36
  37     /* <public> */
  38     int (*run)(PRManager *pr_mgr, int fd, struct sg_io_hdr *hdr);
  39     bool (*is_connected)(PRManager *pr_mgr);
  40 };
  41
  42 bool pr_manager_is_connected(PRManager *pr_mgr);
  43 int coroutine_fn pr_manager_execute(PRManager *pr_mgr, AioContext *ctx, int fd,
  44                                     struct sg_io_hdr *hdr);
  45
  46 PRManager *pr_manager_lookup(const char *id, Error **errp);
  47
  48 #endif