1/* 2 * Copyright 2015 - 2016 Amazon.com, Inc. or its affiliates. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32#ifndef _ENA_REGS_H_ 33#define _ENA_REGS_H_ 34 35/* ena_registers offsets */ 36#define ENA_REGS_VERSION_OFF 0x0 37#define ENA_REGS_CONTROLLER_VERSION_OFF 0x4 38#define ENA_REGS_CAPS_OFF 0x8 39#define ENA_REGS_CAPS_EXT_OFF 0xc 40#define ENA_REGS_AQ_BASE_LO_OFF 0x10 41#define ENA_REGS_AQ_BASE_HI_OFF 0x14 42#define ENA_REGS_AQ_CAPS_OFF 0x18 43#define ENA_REGS_ACQ_BASE_LO_OFF 0x20 44#define ENA_REGS_ACQ_BASE_HI_OFF 0x24 45#define ENA_REGS_ACQ_CAPS_OFF 0x28 46#define ENA_REGS_AQ_DB_OFF 0x2c 47#define ENA_REGS_ACQ_TAIL_OFF 0x30 48#define ENA_REGS_AENQ_CAPS_OFF 0x34 49#define ENA_REGS_AENQ_BASE_LO_OFF 0x38 50#define ENA_REGS_AENQ_BASE_HI_OFF 0x3c 51#define ENA_REGS_AENQ_HEAD_DB_OFF 0x40 52#define ENA_REGS_AENQ_TAIL_OFF 0x44 53#define ENA_REGS_INTR_MASK_OFF 0x4c 54#define ENA_REGS_DEV_CTL_OFF 0x54 55#define ENA_REGS_DEV_STS_OFF 0x58 56#define ENA_REGS_MMIO_REG_READ_OFF 0x5c 57#define ENA_REGS_MMIO_RESP_LO_OFF 0x60 58#define ENA_REGS_MMIO_RESP_HI_OFF 0x64 59#define ENA_REGS_RSS_IND_ENTRY_UPDATE_OFF 0x68 60 61/* version register */ 62#define ENA_REGS_VERSION_MINOR_VERSION_MASK 0xff 63#define ENA_REGS_VERSION_MAJOR_VERSION_SHIFT 8 64#define ENA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00 65 66/* controller_version register */ 67#define ENA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff 68#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8 69#define ENA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00 70#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16 71#define ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000 72#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24 73#define ENA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000 74 75/* caps register */ 76#define ENA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1 77#define ENA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1 78#define ENA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e 79#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8 80#define ENA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00 81 82/* aq_caps register */ 83#define ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff 84#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16 85#define ENA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000 86 87/* acq_caps register */ 88#define ENA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff 89#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16 90#define ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xffff0000 91 92/* aenq_caps register */ 93#define ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff 94#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16 95#define ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xffff0000 96 97/* dev_ctl register */ 98#define ENA_REGS_DEV_CTL_DEV_RESET_MASK 0x1 99#define ENA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1 100#define ENA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2 101#define ENA_REGS_DEV_CTL_QUIESCENT_SHIFT 2 102#define ENA_REGS_DEV_CTL_QUIESCENT_MASK 0x4 103#define ENA_REGS_DEV_CTL_IO_RESUME_SHIFT 3 104#define ENA_REGS_DEV_CTL_IO_RESUME_MASK 0x8 105 106/* dev_sts register */ 107#define ENA_REGS_DEV_STS_READY_MASK 0x1 108#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1 109#define ENA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2 110#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2 111#define ENA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4 112#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3 113#define ENA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8 114#define ENA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4 115#define ENA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10 116#define ENA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5 117#define ENA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20 118#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_SHIFT 6 119#define ENA_REGS_DEV_STS_QUIESCENT_STATE_IN_PROGRESS_MASK 0x40 120#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_SHIFT 7 121#define ENA_REGS_DEV_STS_QUIESCENT_STATE_ACHIEVED_MASK 0x80 122 123/* mmio_reg_read register */ 124#define ENA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff 125#define ENA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16 126#define ENA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000 127 128/* rss_ind_entry_update register */ 129#define ENA_REGS_RSS_IND_ENTRY_UPDATE_INDEX_MASK 0xffff 130#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT 16 131#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK 0xffff0000 132 133#endif /*_ENA_REGS_H_ */ 134