/* SPDX-License-Identifier: GPL-2.0-only */
/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
******************************************************************************/
#ifndef _VIRTCHNL_H_
#define _VIRTCHNL_H_
/* Description:
* This header file describes the VF-PF communication protocol used
* by the drivers for all devices starting from our 40G product line
*
* Admin queue buffer usage:
* desc->opcode is always aqc_opc_send_msg_to_pf
* flags, retval, datalen, and data addr are all used normally.
* The Firmware copies the cookie fields when sending messages between the
* PF and VF, but uses all other fields internally. Due to this limitation,
* we must send all messages as "indirect", i.e. using an external buffer.
*
* All the VSI indexes are relative to the VF. Each VF can have
