| George Zhang | 83e2ec7 | 2013-01-08 15:53:51 -0800 | [diff] [blame] | 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 | |
| 48 | bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn); |
| 49 | void vmci_dbell_scan_notification_entries(u8 *bitmap); |
| 50 | |
| 51 | #endif /* VMCI_DOORBELL_H */ |