/usr/src/open-vm-tools-10.0.7/vmci/common/vmciQueuePair.h is in open-vm-tools-dkms 2:10.0.7-3227872-2ubuntu1.
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* Copyright (C) 2007 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*********************************************************/
/*
* vmciQueuePair.h --
*
* VMCI QueuePair API implementation in the host driver.
*/
#ifndef _VMCI_QUEUE_PAIR_H_
#define _VMCI_QUEUE_PAIR_H_
#define INCLUDE_ALLOW_MODULE
#define INCLUDE_ALLOW_VMMON
#define INCLUDE_ALLOW_VMCORE
#define INCLUDE_ALLOW_VMKERNEL
#include "includeCheck.h"
#include "vmci_defs.h"
#include "vmci_iocontrols.h"
#include "vmci_kernel_if.h"
#include "vmciContext.h"
#include "vmciQueue.h"
/*
* QueuePairPageStore describes how the memory of a given queue pair
* is backed. When the queue pair is between the host and a guest, the
* page store consists of references to the guest pages. On vmkernel,
* this is a list of PPNs, and on hosted, it is a user VA where the
* queue pair is mapped into the VMX address space.
*/
typedef struct QueuePairPageStore {
VMCIQPGuestMem pages; // Reference to pages backing the queue pair.
uint32 len; // Length of pageList/virtual addres range (in pages).
} QueuePairPageStore;
/*
*------------------------------------------------------------------------------
*
* VMCI_QP_PAGESTORE_IS_WELLFORMED --
*
* Utility function that checks whether the fields of the page
* store contain valid values.
*
* Result:
* TRUE if the page store is wellformed. FALSE otherwise.
*
* Side effects:
* None.
*
*------------------------------------------------------------------------------
*/
static INLINE Bool
VMCI_QP_PAGESTORE_IS_WELLFORMED(QueuePairPageStore *pageStore) // IN
{
return pageStore->len >= 2;
}
int VMCIQPBroker_Init(void);
void VMCIQPBroker_Exit(void);
int VMCIQPBroker_Alloc(VMCIHandle handle, VMCIId peer, uint32 flags,
VMCIPrivilegeFlags privFlags,
uint64 produceSize, uint64 consumeSize,
QueuePairPageStore *pageStore,
VMCIContext *context);
int VMCIQPBroker_SetPageStore(VMCIHandle handle, VA64 produceUVA, VA64 consumeUVA,
VMCIContext *context);
int VMCIQPBroker_Detach(VMCIHandle handle, VMCIContext *context);
int VMCIQPGuestEndpoints_Init(void);
void VMCIQPGuestEndpoints_Exit(void);
void VMCIQPGuestEndpoints_Sync(void);
void VMCIQPGuestEndpoints_Convert(Bool toLocal, Bool deviceReset);
int VMCIQueuePair_Alloc(VMCIHandle *handle, VMCIQueue **produceQ,
uint64 produceSize, VMCIQueue **consumeQ,
uint64 consumeSize, VMCIId peer, uint32 flags,
VMCIPrivilegeFlags privFlags, Bool guestEndpoint,
VMCIEventReleaseCB wakeupCB, void *clientData);
int VMCIQueuePair_Detach(VMCIHandle handle, Bool guestEndpoint);
int VMCIQPBroker_Map(VMCIHandle handle, VMCIContext *context, VMCIQPGuestMem guestMem);
int VMCIQPBroker_Unmap(VMCIHandle handle, VMCIContext *context, VMCIGuestMemID gid);
#endif /* !_VMCI_QUEUE_PAIR_H_ */
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