drivers/misc/vmw_vmci/vmci_resource.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * VMware VMCI Driver
   4  *
   5  * Copyright (C) 2012 VMware, Inc. All rights reserved.
   6  */
   7
   8 #ifndef _VMCI_RESOURCE_H_
   9 #define _VMCI_RESOURCE_H_
  10
  11 #include <linux/vmw_vmci_defs.h>
  12 #include <linux/types.h>
  13
  14 #include "vmci_context.h"
  15
  16
  17 enum vmci_resource_type {
  18         VMCI_RESOURCE_TYPE_ANY,
  19         VMCI_RESOURCE_TYPE_API,
  20         VMCI_RESOURCE_TYPE_GROUP,
  21         VMCI_RESOURCE_TYPE_DATAGRAM,
  22         VMCI_RESOURCE_TYPE_DOORBELL,
  23         VMCI_RESOURCE_TYPE_QPAIR_GUEST,
  24         VMCI_RESOURCE_TYPE_QPAIR_HOST
  25 };
  26
  27 struct vmci_resource {
  28         struct vmci_handle handle;
  29         enum vmci_resource_type type;
  30         struct hlist_node node;
  31         struct kref kref;
  32         struct completion done;
  33 };
  34
  35
  36 int vmci_resource_add(struct vmci_resource *resource,
  37                       enum vmci_resource_type resource_type,
  38                       struct vmci_handle handle);
  39
  40 void vmci_resource_remove(struct vmci_resource *resource);
  41
  42 struct vmci_resource *
  43 vmci_resource_by_handle(struct vmci_handle resource_handle,
  44                         enum vmci_resource_type resource_type);
  45
  46 struct vmci_resource *vmci_resource_get(struct vmci_resource *resource);
  47 int vmci_resource_put(struct vmci_resource *resource);
  48
  49 struct vmci_handle vmci_resource_handle(struct vmci_resource *resource);
  50
  51 #endif /* _VMCI_RESOURCE_H_ */