/* SPDX-License-Identifier: (GPL-2.0 OR MIT)
 * Google virtual Ethernet (gve) driver
 *
 * Copyright (C) 2015-2019 Google, Inc.
 */

#ifndef _GVE_REGISTER_H_
#define _GVE_REGISTER_H_

/* Fixed Configuration Registers */
struct gve_registers {
        __be32  device_status;
        __be32  driver_status;
        __be32  max_tx_queues;
        __be32  max_rx_queues;
        __be32  adminq_pfn;
        __be32  adminq_doorbell;
        __be32  adminq_event_counter;
        u8      reserved[3];
        u8      driver_version;
        __be32  adminq_base_address_hi;
        __be32  adminq_base_address_lo;
        __be16  adminq_length;
};

enum gve_device_status_flags {
        GVE_DEVICE_STATUS_RESET_MASK            = BIT(1),
        GVE_DEVICE_STATUS_LINK_STATUS_MASK      = BIT(2),
        GVE_DEVICE_STATUS_REPORT_STATS_MASK     = BIT(3),
        GVE_DEVICE_STATUS_DEVICE_IS_RESET       = BIT(4),
};

enum gve_driver_status_flags {
        GVE_DRIVER_STATUS_RUN_MASK              = BIT(0),
        GVE_DRIVER_STATUS_RESET_MASK            = BIT(1),
};
#endif /* _GVE_REGISTER_H_ */