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1/* SPDX-License-Identifier: (GPL-2.0 OR MIT)2 * Google virtual Ethernet (gve) driver3 *4 * Copyright (C) 2015-2019 Google, Inc.5 */6 7#ifndef _GVE_REGISTER_H_8#define _GVE_REGISTER_H_9 10/* Fixed Configuration Registers */11struct gve_registers {12 __be32 device_status;13 __be32 driver_status;14 __be32 max_tx_queues;15 __be32 max_rx_queues;16 __be32 adminq_pfn;17 __be32 adminq_doorbell;18 __be32 adminq_event_counter;19 u8 reserved[3];20 u8 driver_version;21 __be32 adminq_base_address_hi;22 __be32 adminq_base_address_lo;23 __be16 adminq_length;24};25 26enum gve_device_status_flags {27 GVE_DEVICE_STATUS_RESET_MASK = BIT(1),28 GVE_DEVICE_STATUS_LINK_STATUS_MASK = BIT(2),29 GVE_DEVICE_STATUS_REPORT_STATS_MASK = BIT(3),30 GVE_DEVICE_STATUS_DEVICE_IS_RESET = BIT(4),31};32 33enum gve_driver_status_flags {34 GVE_DRIVER_STATUS_RUN_MASK = BIT(0),35 GVE_DRIVER_STATUS_RESET_MASK = BIT(1),36};37#endif /* _GVE_REGISTER_H_ */38