/* * 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]; }; /* 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 }; /* * Shifts and masks for the link SI tuning values stuffed into the ASIC scratch * registers for integrated platforms */ #define PORT0_PORT_TYPE_SHIFT 0 #define PORT0_LOCAL_ATTEN_SHIFT 4 #define PORT0_REMOTE_ATTEN_SHIFT 10 #define PORT0_DEFAULT_ATTEN_SHIFT 32 #define PORT1_PORT_TYPE_SHIFT 16 #define PORT1_LOCAL_ATTEN_SHIFT 20 #define PORT1_REMOTE_ATTEN_SHIFT 26 #define PORT1_DEFAULT_ATTEN_SHIFT 40 #define PORT0_PORT_TYPE_MASK 0xFUL #define PORT0_LOCAL_ATTEN_MASK 0x3FUL #define PORT0_REMOTE_ATTEN_MASK 0x3FUL #define PORT0_DEFAULT_ATTEN_MASK 0xFFUL #define PORT1_PORT_TYPE_MASK 0xFUL #define PORT1_LOCAL_ATTEN_MASK 0x3FUL #define PORT1_REMOTE_ATTEN_MASK 0x3FUL #define PORT1_DEFAULT_ATTEN_MASK 0xFFUL #define PORT0_PORT_TYPE_SMASK (PORT0_PORT_TYPE_MASK << \ PORT0_PORT_TYPE_SHIFT) #define PORT0_LOCAL_ATTEN_SMASK (PORT0_LOCAL_ATTEN_MASK << \ PORT0_LOCAL_ATTEN_SHIFT) #define PORT0_REMOTE_ATTEN_SMASK (PORT0_REMOTE_ATTEN_MASK << \ PORT0_REMOTE_ATTEN_SHIFT) #define PORT0_DEFAULT_ATTEN_SMASK (PORT0_DEFAULT_ATTEN_MASK << \ PORT0_DEFAULT_ATTEN_SHIFT) #define PORT1_PORT_TYPE_SMASK (PORT1_PORT_TYPE_MASK << \ PORT1_PORT_TYPE_SHIFT) #define PORT1_LOCAL_ATTEN_SMASK (PORT1_LOCAL_ATTEN_MASK << \ PORT1_LOCAL_ATTEN_SHIFT) #define PORT1_REMOTE_ATTEN_SMASK (PORT1_REMOTE_ATTEN_MASK << \ PORT1_REMOTE_ATTEN_SHIFT) #define PORT1_DEFAULT_ATTEN_SMASK (PORT1_DEFAULT_ATTEN_MASK << \ PORT1_DEFAULT_ATTEN_SHIFT) #define QSFP_MAX_POWER_SHIFT 0 #define TX_NO_EQ_SHIFT 4 #define TX_EQ_SHIFT 25 #define RX_SHIFT 46 #define QSFP_MAX_POWER_MASK 0xFUL #define TX_NO_EQ_MASK 0x1FFFFFUL #define TX_EQ_MASK 0x1FFFFFUL #define RX_MASK 0xFFFFUL #define QSFP_MAX_POWER_SMASK (QSFP_MAX_POWER_MASK << \ QSFP_MAX_POWER_SHIFT) #define TX_NO_EQ_SMASK (TX_NO_EQ_MASK << TX_NO_EQ_SHIFT) #define TX_EQ_SMASK (TX_EQ_MASK << TX_EQ_SHIFT) #define RX_SMASK (RX_MASK << RX_SHIFT) #define TX_PRECUR_SHIFT 0 #define TX_ATTN_SHIFT 4 #define QSFP_TX_CDR_APPLY_SHIFT 9 #define QSFP_TX_EQ_APPLY_SHIFT 10 #define QSFP_TX_CDR_SHIFT 11 #define QSFP_TX_EQ_SHIFT 12 #define TX_POSTCUR_SHIFT 16 #define TX_PRECUR_MASK 0xFUL #define TX_ATTN_MASK 0x1FUL #define QSFP_TX_CDR_APPLY_MASK 0x1UL #define QSFP_TX_EQ_APPLY_MASK 0x1UL #define QSFP_TX_CDR_MASK 0x1UL #define QSFP_TX_EQ_MASK 0xFUL #define TX_POSTCUR_MASK 0x1FUL #define TX_PRECUR_SMASK (TX_PRECUR_MASK << TX_PRECUR_SHIFT) #define TX_ATTN_SMASK (TX_ATTN_MASK << TX_ATTN_SHIFT) #define QSFP_TX_CDR_APPLY_SMASK (QSFP_TX_CDR_APPLY_MASK << \ QSFP_TX_CDR_APPLY_SHIFT) #define QSFP_TX_EQ_APPLY_SMASK (QSFP_TX_EQ_APPLY_MASK << \ QSFP_TX_EQ_APPLY_SHIFT) #define QSFP_TX_CDR_SMASK (QSFP_TX_CDR_MASK << QSFP_TX_CDR_SHIFT) #define QSFP_TX_EQ_SMASK (QSFP_TX_EQ_MASK << QSFP_TX_EQ_SHIFT) #define TX_POSTCUR_SMASK (TX_POSTCUR_MASK << TX_POSTCUR_SHIFT) #define QSFP_RX_CDR_APPLY_SHIFT 0 #define QSFP_RX_EMP_APPLY_SHIFT 1 #define QSFP_RX_AMP_APPLY_SHIFT 2 #define QSFP_RX_CDR_SHIFT 3 #define QSFP_RX_EMP_SHIFT 4 #define QSFP_RX_AMP_SHIFT 8 #define QSFP_RX_CDR_APPLY_MASK 0x1UL #define QSFP_RX_EMP_APPLY_MASK 0x1UL #define QSFP_RX_AMP_APPLY_MASK 0x1UL #define QSFP_RX_CDR_MASK 0x1UL #define QSFP_RX_EMP_MASK 0xFUL #define QSFP_RX_AMP_MASK 0x3UL #define QSFP_RX_CDR_APPLY_SMASK (QSFP_RX_CDR_APPLY_MASK << \ QSFP_RX_CDR_APPLY_SHIFT) #define QSFP_RX_EMP_APPLY_SMASK (QSFP_RX_EMP_APPLY_MASK << \ QSFP_RX_EMP_APPLY_SHIFT) #define QSFP_RX_AMP_APPLY_SMASK (QSFP_RX_AMP_APPLY_MASK << \ QSFP_RX_AMP_APPLY_SHIFT) #define QSFP_RX_CDR_SMASK (QSFP_RX_CDR_MASK << QSFP_RX_CDR_SHIFT) #define QSFP_RX_EMP_SMASK (QSFP_RX_EMP_MASK << QSFP_RX_EMP_SHIFT) #define QSFP_RX_AMP_SMASK (QSFP_RX_AMP_MASK << QSFP_RX_AMP_SHIFT) #define BITMAP_VERSION 1 #define BITMAP_VERSION_SHIFT 44 #define BITMAP_VERSION_MASK 0xFUL #define BITMAP_VERSION_SMASK (BITMAP_VERSION_MASK << \ BITMAP_VERSION_SHIFT) #define CHECKSUM_SHIFT 48 #define CHECKSUM_MASK 0xFFFFUL #define CHECKSUM_SMASK (CHECKSUM_MASK << CHECKSUM_SHIFT) /* 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*/