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| -rw-r--r-- | drivers/infiniband/hw/hfi1/platform.h | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/platform.h b/drivers/infiniband/hw/hfi1/platform.h new file mode 100644 index 000000000..eed0aa912 --- /dev/null +++ b/drivers/infiniband/hw/hfi1/platform.h @@ -0,0 +1,412 @@ +/* + * 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*/ |