diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_register.h')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_register.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_register.h b/drivers/net/ethernet/google/gve/gve_register.h new file mode 100644 index 000000000000..8e72b97008d6 --- /dev/null +++ b/drivers/net/ethernet/google/gve/gve_register.h @@ -0,0 +1,37 @@ +/* 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_ */ |