/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
* Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef _EFA_REGS_H_
#define _EFA_REGS_H_
enum efa_regs_reset_reason_types {
EFA_REGS_RESET_NORMAL = 0,
/* Keep alive timeout */
EFA_REGS_RESET_KEEP_ALIVE_TO = 1,
EFA_REGS_RESET_ADMIN_TO = 2,
EFA_REGS_RESET_INIT_ERR = 3,
EFA_REGS_RESET_DRIVER_INVALID_STATE = 4,
EFA_REGS_RESET_OS_TRIGGER = 5,
EFA_REGS_RESET_SHUTDOWN = 6,
EFA_REGS_RESET_USER_TRIGGER = 7,
EFA_REGS_RESET_GENERIC = 8,
};
/* efa_registers offsets */
/* 0 base */
#define EFA_REGS_VERSION_OFF 0x0
#define EFA_REGS_CONTROLLER_VERSION_OFF 0x4
#define EFA_REGS_CAPS_OFF 0x8
#define EFA_REGS_AQ_BASE_LO_OFF 0x10
#define EFA_REGS_AQ_BASE_HI_OFF 0x14
#define EFA_REGS_AQ_CAPS_OFF 0x18
#define EFA_REGS_ACQ_BASE_LO_OFF 0x20
#define EFA_REGS_ACQ_BASE_HI_OFF 0x24
#define EFA_REGS_ACQ_CAPS_OFF 0x28
#define EFA_REGS_AQ_PROD_DB_OFF 0x2c
#define EFA_REGS_AENQ_CAPS_OFF 0x34
#define EFA_REGS_AENQ_BASE_LO_OFF 0x38
#define EFA_REGS_AENQ_BASE_HI_OFF 0x3c
#define EFA_REGS_AENQ_CONS_DB_OFF 0x40
#define EFA_REGS_INTR_MASK_OFF 0x4c
#define EFA_REGS_DEV_CTL_OFF 0x54
#define EFA_REGS_DEV_STS_OFF 0x58
#define EFA_REGS_MMIO_REG_READ_OFF 0x5c
#define EFA_REGS_MMIO_RESP_LO_OFF 0x60
#define EFA_REGS_MMIO_RESP_HI_OFF 0x64
#define EFA_REGS_EQ_DB_OFF 0x68
/* version register */
#define EFA_REGS_VERSION_MINOR_VERSION_MASK 0xff
#define EFA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00
/* controller_version register */
#define EFA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff
#define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00
#define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000
#define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000
/* caps register */
#define EFA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1
#define EFA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e
#define EFA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00
#define EFA_REGS_CAPS_ADMIN_CMD_TO_MASK 0xf0000
/* aq_caps register */
#define EFA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff
#define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000
/* acq_caps register */
#define EFA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff
#define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xff0000
#define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_MASK 0xff000000
/* aenq_caps register */
#define EFA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff
#define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xff0000
#define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_MASK 0xff000000
/* intr_mask register */
#define EFA_REGS_INTR_MASK_EN_MASK 0x1
/* dev_ctl register */
#define EFA_REGS_DEV_CTL_DEV_RESET_MASK 0x1
#define EFA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2
#define EFA_REGS_DEV_CTL_RESET_REASON_MASK 0xf0000000
/* dev_sts register */
#define EFA_REGS_DEV_STS_READY_MASK 0x1
#define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2
#define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4
#define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8
#define EFA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10
#define EFA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20
/* mmio_reg_read register */
#define EFA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff
#define EFA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000
/* eq_db register */
#define EFA_REGS_EQ_DB_EQN_MASK 0xffff
#define EFA_REGS_EQ_DB_ARM_MASK 0x80000000
#endif /* _EFA_REGS_H_ */