LXR linux/drivers/misc/vmw_vmci/vmci

   1/*
   2 * VMware VMCI Driver
   3 *
   4 * Copyright (C) 2012 VMware, Inc. All rights reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms of the GNU General Public License as published by the
   8 * Free Software Foundation version 2 and no later version.
   9 *
  10 * This program is distributed in the hope that it will be useful, but
  11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 * for more details.
  14 */
  15
  16#ifndef _VMCI_RESOURCE_H_
  17#define _VMCI_RESOURCE_H_
  18
  19#include <linux/vmw_vmci_defs.h>
  20#include <linux/types.h>
  21
  22#include "vmci_context.h"
  23
  24
  25enum vmci_resource_type {
  26        VMCI_RESOURCE_TYPE_ANY,
  27        VMCI_RESOURCE_TYPE_API,
  28        VMCI_RESOURCE_TYPE_GROUP,
  29        VMCI_RESOURCE_TYPE_DATAGRAM,
  30        VMCI_RESOURCE_TYPE_DOORBELL,
  31        VMCI_RESOURCE_TYPE_QPAIR_GUEST,
  32        VMCI_RESOURCE_TYPE_QPAIR_HOST
  33};
  34
  35struct vmci_resource {
  36        struct vmci_handle handle;
  37        enum vmci_resource_type type;
  38        struct hlist_node node;
  39        struct kref kref;
  40        struct completion done;
  41};
  42
  43
  44int vmci_resource_add(struct vmci_resource *resource,
  45                      enum vmci_resource_type resource_type,
  46                      struct vmci_handle handle);
  47
  48void vmci_resource_remove(struct vmci_resource *resource);
  49
  50struct vmci_resource *
  51vmci_resource_by_handle(struct vmci_handle resource_handle,
  52                        enum vmci_resource_type resource_type);
  53
  54struct vmci_resource *vmci_resource_get(struct vmci_resource *resource);
  55int vmci_resource_put(struct vmci_resource *resource);
  56
  57struct vmci_handle vmci_resource_handle(struct vmci_resource *resource);
  58
  59#endif /* _VMCI_RESOURCE_H_ */
  60