ceph/src/spdk/ocf/src/utils/utils_io_allocator.h

   1 /*
   2  * Copyright(c) 2019 Intel Corporation
   3  * SPDX-License-Identifier: BSD-3-Clause-Clear
   4  */
   5
   6 #ifndef __UTILS_IO_ALLOCATOR_H__
   7 #define __UTILS_IO_ALLOCATOR_H__
   8
   9 #include "ocf/ocf_types.h"
  10
  11 typedef struct ocf_io_allocator *ocf_io_allocator_t;
  12
  13 struct ocf_io_allocator_ops {
  14         int (*allocator_init)(ocf_io_allocator_t allocator,
  15                         uint32_t priv_size, const char *name);
  16         void (*allocator_deinit)(ocf_io_allocator_t allocator);
  17         void *(*allocator_new)(ocf_io_allocator_t allocator,
  18                         ocf_volume_t volume, ocf_queue_t queue,
  19                         uint64_t addr, uint32_t bytes, uint32_t dir);
  20         void (*allocator_del)(ocf_io_allocator_t allocator, void *obj);
  21 };
  22
  23 struct ocf_io_allocator_type {
  24         struct ocf_io_allocator_ops ops;
  25 };
  26
  27 typedef const struct ocf_io_allocator_type *ocf_io_allocator_type_t;
  28
  29 struct ocf_io_allocator {
  30         const struct ocf_io_allocator_type *type;
  31         void *priv;
  32 };
  33
  34 static inline void *ocf_io_allocator_new(ocf_io_allocator_t allocator,
  35                 ocf_volume_t volume, ocf_queue_t queue,
  36                 uint64_t addr, uint32_t bytes, uint32_t dir)
  37 {
  38         return allocator->type->ops.allocator_new(allocator, volume, queue,
  39                         addr, bytes, dir);
  40 }
  41
  42 static inline void ocf_io_allocator_del(ocf_io_allocator_t allocator, void *obj)
  43 {
  44         allocator->type->ops.allocator_del(allocator, obj);
  45 }
  46
  47 static inline int ocf_io_allocator_init(ocf_io_allocator_t allocator,
  48                 ocf_io_allocator_type_t type, uint32_t size, const char *name)
  49
  50 {
  51         allocator->type = type;
  52         return allocator->type->ops.allocator_init(allocator, size, name);
  53 }
  54
  55 static inline void ocf_io_allocator_deinit(ocf_io_allocator_t allocator)
  56 {
  57         allocator->type->ops.allocator_deinit(allocator);
  58 }
  59
  60 ocf_io_allocator_type_t ocf_io_allocator_get_type_default(void);
  61
  62 #endif /* __UTILS_IO_ALLOCATOR__ */