/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2023 Google LLC * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _GVE_REGISTER_H_ #define _GVE_REGISTER_H_ /* Fixed Configuration Registers */ #define DEVICE_STATUS 0 #define DRIVER_STATUS 4 #define MAX_TX_QUEUES 8 #define MAX_RX_QUEUES 12 #define ADMINQ_PFN 16 #define ADMINQ_DOORBELL 20 #define ADMINQ_EVENT_COUNTER 24 #define RESERVED 28 #define DRIVER_VERSION 31 #define ADMINQ_BASE_ADDRESS_HI 32 #define ADMINQ_BASE_ADDRESS_LO 36 #define ADMINQ_LENGTH 40 enum gve_device_status_flags { GVE_DEVICE_STATUS_RESET_MASK = BIT(1), GVE_DEVICE_STATUS_LINK_STATUS_MASK = BIT(2), }; #endif /* _GVE_REGISTER_H_ */