/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* VMware VMCI Driver
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*
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* Copyright (C) 2012 VMware, Inc. All rights reserved.
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*/
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#ifndef VMCI_DOORBELL_H
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#define VMCI_DOORBELL_H
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#include <linux/vmw_vmci_defs.h>
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#include <linux/types.h>
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#include "vmci_driver.h"
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/*
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* VMCINotifyResourceInfo: Used to create and destroy doorbells, and
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* generate a notification for a doorbell or queue pair.
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*/
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struct vmci_dbell_notify_resource_info {
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struct vmci_handle handle;
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u16 resource;
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u16 action;
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s32 result;
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};
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/*
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* Structure used for checkpointing the doorbell mappings. It is
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* written to the checkpoint as is, so changing this structure will
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* break checkpoint compatibility.
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*/
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struct dbell_cpt_state {
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struct vmci_handle handle;
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u64 bitmap_idx;
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};
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int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle);
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int vmci_dbell_get_priv_flags(struct vmci_handle handle, u32 *priv_flags);
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bool vmci_dbell_register_notification_bitmap(u64 bitmap_ppn);
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void vmci_dbell_scan_notification_entries(u8 *bitmap);
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#endif /* VMCI_DOORBELL_H */
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