The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/mips/cavium/cvmx_config.h

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    1 /***********************license start***************
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
    5  * reserved.
    6  *
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions are
   10  * met:
   11  *
   12  *     * Redistributions of source code must retain the above copyright
   13  *       notice, this list of conditions and the following disclaimer.
   14  *
   15  *     * Redistributions in binary form must reproduce the above
   16  *       copyright notice, this list of conditions and the following
   17  *       disclaimer in the documentation and/or other materials provided
   18  *       with the distribution.
   19  *
   20  *     * Neither the name of Cavium Networks nor the names of
   21  *       its contributors may be used to endorse or promote products
   22  *       derived from this software without specific prior written
   23  *       permission.
   24  *
   25  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
   26  * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
   27  * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
   28  * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
   29  * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
   30  * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
   31  * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
   32  * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
   33  * POSSESSION OR CORRESPONDENCE TO DESCRIPTION.  THE ENTIRE RISK ARISING OUT
   34  * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
   35  *
   36  *
   37  * For any questions regarding licensing please contact marketing@caviumnetworks.com
   38  *
   39  ***********************license end**************************************/
   40 /* $FreeBSD: stable/12/sys/mips/cavium/cvmx_config.h 326023 2017-11-20 19:43:44Z pfg $ */
   41 
   42 #ifndef _CVMX_CONFIG_H
   43 #define _CVMX_CONFIG_H
   44 
   45 #include "opt_cvmx.h"
   46 
   47 #include <sys/types.h>
   48 #include <sys/param.h>
   49 #include <sys/systm.h>
   50 #include <sys/mbuf.h>
   51 
   52 #include <vm/vm.h>
   53 #include <vm/pmap.h>
   54 
   55 #include <machine/stdarg.h>
   56 
   57 #define asm             __asm
   58 
   59 #define CVMX_DONT_INCLUDE_CONFIG
   60 
   61 /* Define to enable the use of simple executive packet output functions.
   62 ** For packet I/O setup enable the helper functions below. 
   63 */ 
   64 #define CVMX_ENABLE_PKO_FUNCTIONS
   65 
   66 /* Define to enable the use of simple executive helper functions. These
   67 ** include many hardware setup functions.  See cvmx-helper.[ch] for
   68 ** details.
   69 */
   70 #define CVMX_ENABLE_HELPER_FUNCTIONS
   71 
   72 /* CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve before
   73 ** the beginning of the packet. If necessary, override the default  
   74 ** here.  See the IPD section of the hardware manual for MBUFF SKIP 
   75 ** details.*/ 
   76 #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
   77 
   78 /* CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve in each
   79 ** chained packet element. If necessary, override the default here */
   80 #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
   81 
   82 /* CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is enabled
   83 ** for all input ports. This controls if IPD sends backpressure to all ports if
   84 ** Octeon's FPA pools don't have enough packet or work queue entries. Even when
   85 ** this is off, it is still possible to get backpressure from individual
   86 ** hardware ports. When configuring backpressure, also check
   87 ** CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override the default
   88 ** here */
   89 #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
   90 
   91 /* CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
   92 **  function. Once it is enabled the hardware starts accepting packets. You
   93 **  might want to skip the IPD enable if configuration changes are need
   94 **  from the default helper setup. If necessary, override the default here */
   95 #define CVMX_HELPER_ENABLE_IPD 1
   96 
   97 /* CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
   98 ** to incoming packets. */
   99 #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
  100 
  101 /* The following select which fields are used by the PIP to generate
  102 ** the tag on INPUT
  103 ** 0: don't include
  104 ** 1: include */
  105 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP       0
  106 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP       0
  107 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT     0
  108 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT     0
  109 #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER  0
  110 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP       0
  111 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP       0
  112 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT     0
  113 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT     0
  114 #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL     0
  115 #define CVMX_HELPER_INPUT_TAG_INPUT_PORT        1
  116 
  117 /* Select skip mode for input ports */
  118 #define CVMX_HELPER_INPUT_PORT_SKIP_MODE        CVMX_PIP_PORT_CFG_MODE_SKIPL2
  119 
  120 /* Define the number of queues per output port */
  121 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE0      1
  122 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE1      1
  123 
  124 /* Configure PKO to use per-core queues (PKO lockless operation). 
  125 ** Please see the related SDK documentation for PKO that illustrates 
  126 ** how to enable and configure this option. */
  127 //#define CVMX_ENABLE_PKO_LOCKLESS_OPERATION 1
  128 //#define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 8
  129 //#define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 8
  130 
  131 /* Force backpressure to be disabled.  This overrides all other
  132 ** backpressure configuration */
  133 #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 1
  134 
  135 /* Disable the SPI4000's processing of backpressure packets and backpressure
  136 ** generation. When this is 1, the SPI4000 will not stop sending packets when
  137 ** receiving backpressure. It will also not generate backpressure packets when
  138 ** its internal FIFOs are full. */
  139 #define CVMX_HELPER_DISABLE_SPI4000_BACKPRESSURE 1
  140 
  141 /* CVMX_HELPER_SPI_TIMEOUT is used to determine how long the SPI initialization
  142 ** routines wait for SPI training. You can override the value using
  143 ** executive-config.h if necessary */
  144 #define CVMX_HELPER_SPI_TIMEOUT 10
  145 
  146 /* Select the number of low latency memory ports (interfaces) that
  147 ** will be configured.  Valid values are 1 and 2.
  148 */
  149 #define CVMX_LLM_CONFIG_NUM_PORTS 2
  150 
  151 /* Enable the fix for PKI-100 errata ("Size field is 8 too large in WQE and next
  152 ** pointers"). If CVMX_ENABLE_LEN_M8_FIX is set to 0, the fix for this errata will 
  153 ** not be enabled. 
  154 ** 0: Fix is not enabled
  155 ** 1: Fix is enabled, if supported by hardware
  156 */
  157 #define CVMX_ENABLE_LEN_M8_FIX  1
  158 
  159 #if defined(CVMX_ENABLE_HELPER_FUNCTIONS) && !defined(CVMX_ENABLE_PKO_FUNCTIONS)
  160 #define CVMX_ENABLE_PKO_FUNCTIONS
  161 #endif
  162 
  163 /* Enable debug and informational printfs */
  164 #define CVMX_CONFIG_ENABLE_DEBUG_PRINTS         1
  165 
  166 /************************* Config Specific Defines ************************/
  167 #define CVMX_LLM_NUM_PORTS 1
  168 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1                   /**< PKO queues per port for interface 0 (ports 0-15) */
  169 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1                   /**< PKO queues per port for interface 1 (ports 16-31) */
  170 #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 /**< Limit on the number of PKO ports enabled for interface 0 */
  171 #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 /**< Limit on the number of PKO ports enabled for interface 1 */
  172 #define CVMX_PKO_QUEUES_PER_PORT_PCI 1                          /**< PKO queues per port for PCI (ports 32-35) */
  173 #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1                         /**< PKO queues per port for Loop devices (ports 36-39) */
  174 
  175 /************************* FPA allocation *********************************/
  176 /* Pool sizes in bytes, must be multiple of a cache line */
  177 #define CVMX_FPA_POOL_0_SIZE (15 * CVMX_CACHE_LINE_SIZE)
  178 #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
  179 #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
  180 #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  181 #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  182 #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  183 #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  184 #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  185 
  186 /* Pools in use */
  187 #define CVMX_FPA_PACKET_POOL                (0)             /**< Packet buffers */
  188 #define CVMX_FPA_PACKET_POOL_SIZE           CVMX_FPA_POOL_0_SIZE
  189 #define CVMX_FPA_WQE_POOL                   (1)             /**< Work queue entrys */
  190 #define CVMX_FPA_WQE_POOL_SIZE              CVMX_FPA_POOL_1_SIZE
  191 #define CVMX_FPA_OUTPUT_BUFFER_POOL         (2)             /**< PKO queue command buffers */
  192 #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE    CVMX_FPA_POOL_2_SIZE
  193 
  194 /*************************  FAU allocation ********************************/
  195 #define CVMX_FAU_REG_END                    2048
  196 
  197 #define CVMX_SCR_SCRATCH                    0
  198 
  199 #endif /* !_CVMX_CONFIG_H */

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