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83e2ec76 GZ |
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_DOORBELL_H | |
17 | #define VMCI_DOORBELL_H | |
18 | ||
19 | #include <linux/vmw_vmci_defs.h> | |
20 | #include <linux/types.h> | |
21 | ||
22 | #include "vmci_driver.h" | |
23 | ||
24 | /* | |
25 | * VMCINotifyResourceInfo: Used to create and destroy doorbells, and | |
26 | * generate a notification for a doorbell or queue pair. | |
27 | */ | |
28 | struct vmci_dbell_notify_resource_info { | |
29 | struct vmci_handle handle; | |
30 | u16 resource; | |
31 | u16 action; | |
32 | s32 result; | |
33 | }; | |
34 | ||
35 | /* | |
36 | * Structure used for checkpointing the doorbell mappings. It is | |
37 | * written to the checkpoint as is, so changing this structure will | |
38 | * break checkpoint compatibility. | |
39 | */ | |
40 | struct dbell_cpt_state { | |
41 | struct vmci_handle handle; | |
42 | u64 bitmap_idx; | |
43 | }; | |
44 | ||
45 | int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle); | |
46 | int vmci_dbell_get_priv_flags(struct vmci_handle handle, u32 *priv_flags); | |
47 | ||
f2db7361 | 48 | bool vmci_dbell_register_notification_bitmap(u64 bitmap_ppn); |
83e2ec76 GZ |
49 | void vmci_dbell_scan_notification_entries(u8 *bitmap); |
50 | ||
51 | #endif /* VMCI_DOORBELL_H */ |