diff options
Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_doorbell.h')
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_doorbell.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.h b/drivers/misc/vmw_vmci/vmci_doorbell.h new file mode 100644 index 000000000000..e4c0b17486a5 --- /dev/null +++ b/drivers/misc/vmw_vmci/vmci_doorbell.h @@ -0,0 +1,51 @@ +/* + * VMware VMCI Driver + * + * Copyright (C) 2012 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation version 2 and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#ifndef VMCI_DOORBELL_H +#define VMCI_DOORBELL_H + +#include <linux/vmw_vmci_defs.h> +#include <linux/types.h> + +#include "vmci_driver.h" + +/* + * VMCINotifyResourceInfo: Used to create and destroy doorbells, and + * generate a notification for a doorbell or queue pair. + */ +struct vmci_dbell_notify_resource_info { + struct vmci_handle handle; + u16 resource; + u16 action; + s32 result; +}; + +/* + * Structure used for checkpointing the doorbell mappings. It is + * written to the checkpoint as is, so changing this structure will + * break checkpoint compatibility. + */ +struct dbell_cpt_state { + struct vmci_handle handle; + u64 bitmap_idx; +}; + +int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle); +int vmci_dbell_get_priv_flags(struct vmci_handle handle, u32 *priv_flags); + +bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn); +void vmci_dbell_scan_notification_entries(u8 *bitmap); + +#endif /* VMCI_DOORBELL_H */ |