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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f2db7361cb
Add support in the VMCI driver to handle upto 64-bit PPNs when the VMCI device exposes the capability for 64-bit PPNs. Reviewed-by: Adit Ranadive <aditr@vmware.com> Reviewed-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Vishnu Dasa <vdasa@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 and no later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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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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