1/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ 2/* 3 * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved. 4 */ 5 6#ifndef _EFA_REGS_H_ 7#define _EFA_REGS_H_ 8 9enum efa_regs_reset_reason_types { 10 EFA_REGS_RESET_NORMAL = 0, 11 /* Keep alive timeout */ 12 EFA_REGS_RESET_KEEP_ALIVE_TO = 1, 13 EFA_REGS_RESET_ADMIN_TO = 2, 14 EFA_REGS_RESET_INIT_ERR = 3, 15 EFA_REGS_RESET_DRIVER_INVALID_STATE = 4, 16 EFA_REGS_RESET_OS_TRIGGER = 5, 17 EFA_REGS_RESET_SHUTDOWN = 6, 18 EFA_REGS_RESET_USER_TRIGGER = 7, 19 EFA_REGS_RESET_GENERIC = 8, 20}; 21 22/* efa_registers offsets */ 23 24/* 0 base */ 25#define EFA_REGS_VERSION_OFF 0x0 26#define EFA_REGS_CONTROLLER_VERSION_OFF 0x4 27#define EFA_REGS_CAPS_OFF 0x8 28#define EFA_REGS_AQ_BASE_LO_OFF 0x10 29#define EFA_REGS_AQ_BASE_HI_OFF 0x14 30#define EFA_REGS_AQ_CAPS_OFF 0x18 31#define EFA_REGS_ACQ_BASE_LO_OFF 0x20 32#define EFA_REGS_ACQ_BASE_HI_OFF 0x24 33#define EFA_REGS_ACQ_CAPS_OFF 0x28 34#define EFA_REGS_AQ_PROD_DB_OFF 0x2c 35#define EFA_REGS_AENQ_CAPS_OFF 0x34 36#define EFA_REGS_AENQ_BASE_LO_OFF 0x38 37#define EFA_REGS_AENQ_BASE_HI_OFF 0x3c 38#define EFA_REGS_AENQ_CONS_DB_OFF 0x40 39#define EFA_REGS_INTR_MASK_OFF 0x4c 40#define EFA_REGS_DEV_CTL_OFF 0x54 41#define EFA_REGS_DEV_STS_OFF 0x58 42#define EFA_REGS_MMIO_REG_READ_OFF 0x5c 43#define EFA_REGS_MMIO_RESP_LO_OFF 0x60 44#define EFA_REGS_MMIO_RESP_HI_OFF 0x64 45 46/* version register */ 47#define EFA_REGS_VERSION_MINOR_VERSION_MASK 0xff 48#define EFA_REGS_VERSION_MAJOR_VERSION_SHIFT 8 49#define EFA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00 50 51/* controller_version register */ 52#define EFA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff 53#define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8 54#define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00 55#define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16 56#define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000 57#define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24 58#define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000 59 60/* caps register */ 61#define EFA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1 62#define EFA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1 63#define EFA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e 64#define EFA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8 65#define EFA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00 66#define EFA_REGS_CAPS_ADMIN_CMD_TO_SHIFT 16 67#define EFA_REGS_CAPS_ADMIN_CMD_TO_MASK 0xf0000 68 69/* aq_caps register */ 70#define EFA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff 71#define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16 72#define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000 73 74/* acq_caps register */ 75#define EFA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff 76#define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16 77#define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xff0000 78#define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_SHIFT 24 79#define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_MASK 0xff000000 80 81/* aenq_caps register */ 82#define EFA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff 83#define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16 84#define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xff0000 85#define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_SHIFT 24 86#define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_MASK 0xff000000 87 88/* dev_ctl register */ 89#define EFA_REGS_DEV_CTL_DEV_RESET_MASK 0x1 90#define EFA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1 91#define EFA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2 92#define EFA_REGS_DEV_CTL_RESET_REASON_SHIFT 28 93#define EFA_REGS_DEV_CTL_RESET_REASON_MASK 0xf0000000 94 95/* dev_sts register */ 96#define EFA_REGS_DEV_STS_READY_MASK 0x1 97#define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1 98#define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2 99#define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2 100#define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4 101#define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3 102#define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8 103#define EFA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4 104#define EFA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10 105#define EFA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5 106#define EFA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20 107 108/* mmio_reg_read register */ 109#define EFA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff 110#define EFA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16 111#define EFA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000 112 113#endif /* _EFA_REGS_H_ */ 114