| /* |
| * Copyright(c) 2015, 2016 Intel Corporation. |
| * |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * BSD LICENSE |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * - Neither the name of Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| #ifndef __PLATFORM_H |
| #define __PLATFORM_H |
| |
| #define METADATA_TABLE_FIELD_START_SHIFT 0 |
| #define METADATA_TABLE_FIELD_START_LEN_BITS 15 |
| #define METADATA_TABLE_FIELD_LEN_SHIFT 16 |
| #define METADATA_TABLE_FIELD_LEN_LEN_BITS 16 |
| |
| /* Header structure */ |
| #define PLATFORM_CONFIG_HEADER_RECORD_IDX_SHIFT 0 |
| #define PLATFORM_CONFIG_HEADER_RECORD_IDX_LEN_BITS 6 |
| #define PLATFORM_CONFIG_HEADER_TABLE_LENGTH_SHIFT 16 |
| #define PLATFORM_CONFIG_HEADER_TABLE_LENGTH_LEN_BITS 12 |
| #define PLATFORM_CONFIG_HEADER_TABLE_TYPE_SHIFT 28 |
| #define PLATFORM_CONFIG_HEADER_TABLE_TYPE_LEN_BITS 4 |
| |
| enum platform_config_table_type_encoding { |
| PLATFORM_CONFIG_TABLE_RESERVED, |
| PLATFORM_CONFIG_SYSTEM_TABLE, |
| PLATFORM_CONFIG_PORT_TABLE, |
| PLATFORM_CONFIG_RX_PRESET_TABLE, |
| PLATFORM_CONFIG_TX_PRESET_TABLE, |
| PLATFORM_CONFIG_QSFP_ATTEN_TABLE, |
| PLATFORM_CONFIG_VARIABLE_SETTINGS_TABLE, |
| PLATFORM_CONFIG_TABLE_MAX |
| }; |
| |
| enum platform_config_system_table_fields { |
| SYSTEM_TABLE_RESERVED, |
| SYSTEM_TABLE_NODE_STRING, |
| SYSTEM_TABLE_SYSTEM_IMAGE_GUID, |
| SYSTEM_TABLE_NODE_GUID, |
| SYSTEM_TABLE_REVISION, |
| SYSTEM_TABLE_VENDOR_OUI, |
| SYSTEM_TABLE_META_VERSION, |
| SYSTEM_TABLE_DEVICE_ID, |
| SYSTEM_TABLE_PARTITION_ENFORCEMENT_CAP, |
| SYSTEM_TABLE_QSFP_POWER_CLASS_MAX, |
| SYSTEM_TABLE_QSFP_ATTENUATION_DEFAULT_12G, |
| SYSTEM_TABLE_QSFP_ATTENUATION_DEFAULT_25G, |
| SYSTEM_TABLE_VARIABLE_TABLE_ENTRIES_PER_PORT, |
| SYSTEM_TABLE_MAX |
| }; |
| |
| enum platform_config_port_table_fields { |
| PORT_TABLE_RESERVED, |
| PORT_TABLE_PORT_TYPE, |
| PORT_TABLE_LOCAL_ATTEN_12G, |
| PORT_TABLE_LOCAL_ATTEN_25G, |
| PORT_TABLE_LINK_SPEED_SUPPORTED, |
| PORT_TABLE_LINK_WIDTH_SUPPORTED, |
| PORT_TABLE_AUTO_LANE_SHEDDING_ENABLED, |
| PORT_TABLE_EXTERNAL_LOOPBACK_ALLOWED, |
| PORT_TABLE_VL_CAP, |
| PORT_TABLE_MTU_CAP, |
| PORT_TABLE_TX_LANE_ENABLE_MASK, |
| PORT_TABLE_LOCAL_MAX_TIMEOUT, |
| PORT_TABLE_REMOTE_ATTEN_12G, |
| PORT_TABLE_REMOTE_ATTEN_25G, |
| PORT_TABLE_TX_PRESET_IDX_ACTIVE_NO_EQ, |
| PORT_TABLE_TX_PRESET_IDX_ACTIVE_EQ, |
| PORT_TABLE_RX_PRESET_IDX, |
| PORT_TABLE_CABLE_REACH_CLASS, |
| PORT_TABLE_MAX |
| }; |
| |
| enum platform_config_rx_preset_table_fields { |
| RX_PRESET_TABLE_RESERVED, |
| RX_PRESET_TABLE_QSFP_RX_CDR_APPLY, |
| RX_PRESET_TABLE_QSFP_RX_EMP_APPLY, |
| RX_PRESET_TABLE_QSFP_RX_AMP_APPLY, |
| RX_PRESET_TABLE_QSFP_RX_CDR, |
| RX_PRESET_TABLE_QSFP_RX_EMP, |
| RX_PRESET_TABLE_QSFP_RX_AMP, |
| RX_PRESET_TABLE_MAX |
| }; |
| |
| enum platform_config_tx_preset_table_fields { |
| TX_PRESET_TABLE_RESERVED, |
| TX_PRESET_TABLE_PRECUR, |
| TX_PRESET_TABLE_ATTN, |
| TX_PRESET_TABLE_POSTCUR, |
| TX_PRESET_TABLE_QSFP_TX_CDR_APPLY, |
| TX_PRESET_TABLE_QSFP_TX_EQ_APPLY, |
| TX_PRESET_TABLE_QSFP_TX_CDR, |
| TX_PRESET_TABLE_QSFP_TX_EQ, |
| TX_PRESET_TABLE_MAX |
| }; |
| |
| enum platform_config_qsfp_attn_table_fields { |
| QSFP_ATTEN_TABLE_RESERVED, |
| QSFP_ATTEN_TABLE_TX_PRESET_IDX, |
| QSFP_ATTEN_TABLE_RX_PRESET_IDX, |
| QSFP_ATTEN_TABLE_MAX |
| }; |
| |
| enum platform_config_variable_settings_table_fields { |
| VARIABLE_SETTINGS_TABLE_RESERVED, |
| VARIABLE_SETTINGS_TABLE_TX_PRESET_IDX, |
| VARIABLE_SETTINGS_TABLE_RX_PRESET_IDX, |
| VARIABLE_SETTINGS_TABLE_MAX |
| }; |
| |
| struct platform_config { |
| size_t size; |
| const u8 *data; |
| }; |
| |
| struct platform_config_data { |
| u32 *table; |
| u32 *table_metadata; |
| u32 num_table; |
| }; |
| |
| /* |
| * This struct acts as a quick reference into the platform_data binary image |
| * and is populated by parse_platform_config(...) depending on the specific |
| * META_VERSION |
| */ |
| struct platform_config_cache { |
| u8 cache_valid; |
| struct platform_config_data config_tables[PLATFORM_CONFIG_TABLE_MAX]; |
| }; |
| |
| static const u32 platform_config_table_limits[PLATFORM_CONFIG_TABLE_MAX] = { |
| 0, |
| SYSTEM_TABLE_MAX, |
| PORT_TABLE_MAX, |
| RX_PRESET_TABLE_MAX, |
| TX_PRESET_TABLE_MAX, |
| QSFP_ATTEN_TABLE_MAX, |
| VARIABLE_SETTINGS_TABLE_MAX |
| }; |
| |
| /* This section defines default values and encodings for the |
| * fields defined for each table above |
| */ |
| |
| /* |
| * ===================================================== |
| * System table encodings |
| * ===================================================== |
| */ |
| #define PLATFORM_CONFIG_MAGIC_NUM 0x3d4f5041 |
| #define PLATFORM_CONFIG_MAGIC_NUMBER_LEN 4 |
| |
| /* |
| * These power classes are the same as defined in SFF 8636 spec rev 2.4 |
| * describing byte 129 in table 6-16, except enumerated in a different order |
| */ |
| enum platform_config_qsfp_power_class_encoding { |
| QSFP_POWER_CLASS_1 = 1, |
| QSFP_POWER_CLASS_2, |
| QSFP_POWER_CLASS_3, |
| QSFP_POWER_CLASS_4, |
| QSFP_POWER_CLASS_5, |
| QSFP_POWER_CLASS_6, |
| QSFP_POWER_CLASS_7 |
| }; |
| |
| /* |
| * ==================================================== |
| * Port table encodings |
| * ==================================================== |
| */ |
| enum platform_config_port_type_encoding { |
| PORT_TYPE_UNKNOWN, |
| PORT_TYPE_DISCONNECTED, |
| PORT_TYPE_FIXED, |
| PORT_TYPE_VARIABLE, |
| PORT_TYPE_QSFP, |
| PORT_TYPE_MAX |
| }; |
| |
| enum platform_config_link_speed_supported_encoding { |
| LINK_SPEED_SUPP_12G = 1, |
| LINK_SPEED_SUPP_25G, |
| LINK_SPEED_SUPP_12G_25G, |
| LINK_SPEED_SUPP_MAX |
| }; |
| |
| /* |
| * This is a subset (not strict) of the link downgrades |
| * supported. The link downgrades supported are expected |
| * to be supplied to the driver by another entity such as |
| * the fabric manager |
| */ |
| enum platform_config_link_width_supported_encoding { |
| LINK_WIDTH_SUPP_1X = 1, |
| LINK_WIDTH_SUPP_2X, |
| LINK_WIDTH_SUPP_2X_1X, |
| LINK_WIDTH_SUPP_3X, |
| LINK_WIDTH_SUPP_3X_1X, |
| LINK_WIDTH_SUPP_3X_2X, |
| LINK_WIDTH_SUPP_3X_2X_1X, |
| LINK_WIDTH_SUPP_4X, |
| LINK_WIDTH_SUPP_4X_1X, |
| LINK_WIDTH_SUPP_4X_2X, |
| LINK_WIDTH_SUPP_4X_2X_1X, |
| LINK_WIDTH_SUPP_4X_3X, |
| LINK_WIDTH_SUPP_4X_3X_1X, |
| LINK_WIDTH_SUPP_4X_3X_2X, |
| LINK_WIDTH_SUPP_4X_3X_2X_1X, |
| LINK_WIDTH_SUPP_MAX |
| }; |
| |
| enum platform_config_virtual_lane_capability_encoding { |
| VL_CAP_VL0 = 1, |
| VL_CAP_VL0_1, |
| VL_CAP_VL0_2, |
| VL_CAP_VL0_3, |
| VL_CAP_VL0_4, |
| VL_CAP_VL0_5, |
| VL_CAP_VL0_6, |
| VL_CAP_VL0_7, |
| VL_CAP_VL0_8, |
| VL_CAP_VL0_9, |
| VL_CAP_VL0_10, |
| VL_CAP_VL0_11, |
| VL_CAP_VL0_12, |
| VL_CAP_VL0_13, |
| VL_CAP_VL0_14, |
| VL_CAP_MAX |
| }; |
| |
| /* Max MTU */ |
| enum platform_config_mtu_capability_encoding { |
| MTU_CAP_256 = 1, |
| MTU_CAP_512 = 2, |
| MTU_CAP_1024 = 3, |
| MTU_CAP_2048 = 4, |
| MTU_CAP_4096 = 5, |
| MTU_CAP_8192 = 6, |
| MTU_CAP_10240 = 7 |
| }; |
| |
| enum platform_config_local_max_timeout_encoding { |
| LOCAL_MAX_TIMEOUT_10_MS = 1, |
| LOCAL_MAX_TIMEOUT_100_MS, |
| LOCAL_MAX_TIMEOUT_1_S, |
| LOCAL_MAX_TIMEOUT_10_S, |
| LOCAL_MAX_TIMEOUT_100_S, |
| LOCAL_MAX_TIMEOUT_1000_S |
| }; |
| |
| enum link_tuning_encoding { |
| OPA_PASSIVE_TUNING, |
| OPA_ACTIVE_TUNING, |
| OPA_UNKNOWN_TUNING |
| }; |
| |
| /* platform.c */ |
| void get_platform_config(struct hfi1_devdata *dd); |
| void free_platform_config(struct hfi1_devdata *dd); |
| void get_port_type(struct hfi1_pportdata *ppd); |
| int set_qsfp_tx(struct hfi1_pportdata *ppd, int on); |
| void tune_serdes(struct hfi1_pportdata *ppd); |
| |
| #endif /*__PLATFORM_H*/ |
