xref: /OK3568_Linux_fs/kernel/drivers/misc/vmw_vmci/vmci_resource.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * VMware VMCI Driver
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2012 VMware, Inc. All rights reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef _VMCI_RESOURCE_H_
9*4882a593Smuzhiyun #define _VMCI_RESOURCE_H_
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/vmw_vmci_defs.h>
12*4882a593Smuzhiyun #include <linux/types.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "vmci_context.h"
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun enum vmci_resource_type {
18*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_ANY,
19*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_API,
20*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_GROUP,
21*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_DATAGRAM,
22*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_DOORBELL,
23*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_QPAIR_GUEST,
24*4882a593Smuzhiyun 	VMCI_RESOURCE_TYPE_QPAIR_HOST
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun struct vmci_resource {
28*4882a593Smuzhiyun 	struct vmci_handle handle;
29*4882a593Smuzhiyun 	enum vmci_resource_type type;
30*4882a593Smuzhiyun 	struct hlist_node node;
31*4882a593Smuzhiyun 	struct kref kref;
32*4882a593Smuzhiyun 	struct completion done;
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun int vmci_resource_add(struct vmci_resource *resource,
37*4882a593Smuzhiyun 		      enum vmci_resource_type resource_type,
38*4882a593Smuzhiyun 		      struct vmci_handle handle);
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun void vmci_resource_remove(struct vmci_resource *resource);
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun struct vmci_resource *
43*4882a593Smuzhiyun vmci_resource_by_handle(struct vmci_handle resource_handle,
44*4882a593Smuzhiyun 			enum vmci_resource_type resource_type);
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun struct vmci_resource *vmci_resource_get(struct vmci_resource *resource);
47*4882a593Smuzhiyun int vmci_resource_put(struct vmci_resource *resource);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun struct vmci_handle vmci_resource_handle(struct vmci_resource *resource);
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #endif /* _VMCI_RESOURCE_H_ */
52