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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 33 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000435.345978407@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/* 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_DATAGRAM_H_
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#define _VMCI_DATAGRAM_H_
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#include <linux/types.h>
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#include <linux/list.h>
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#include "vmci_context.h"
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#define VMCI_MAX_DELAYED_DG_HOST_QUEUE_SIZE 256
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/*
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* The struct vmci_datagram_queue_entry is a queue header for the in-kernel VMCI
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* datagram queues. It is allocated in non-paged memory, as the
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* content is accessed while holding a spinlock. The pending datagram
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* itself may be allocated from paged memory. We shadow the size of
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* the datagram in the non-paged queue entry as this size is used
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* while holding the same spinlock as above.
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*/
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struct vmci_datagram_queue_entry {
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struct list_head list_item; /* For queuing. */
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size_t dg_size; /* Size of datagram. */
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struct vmci_datagram *dg; /* Pending datagram. */
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};
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/* VMCIDatagramSendRecvInfo */
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struct vmci_datagram_snd_rcv_info {
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u64 addr;
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u32 len;
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s32 result;
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};
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/* Datagram API for non-public use. */
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int vmci_datagram_dispatch(u32 context_id, struct vmci_datagram *dg,
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bool from_guest);
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int vmci_datagram_invoke_guest_handler(struct vmci_datagram *dg);
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#endif /* _VMCI_DATAGRAM_H_ */
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