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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
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51
drivers/misc/vmw_vmci/vmci_doorbell.h Normal file
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/*
* 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 */