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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_ */
52