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  * Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
    3  * reserved.
    4  *
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions are
    8  * met:
    9  *
   10  *     * Redistributions of source code must retain the above copyright
   11  *       notice, this list of conditions and the following disclaimer.
   12  *
   13  *     * Redistributions in binary form must reproduce the above
   14  *       copyright notice, this list of conditions and the following
   15  *       disclaimer in the documentation and/or other materials provided
   16  *       with the distribution.
   17  *
   18  *     * Neither the name of Cavium Networks nor the names of
   19  *       its contributors may be used to endorse or promote products
   20  *       derived from this software without specific prior written
   21  *       permission.
   22  *
   23  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
   24  * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
   25  * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
   26  * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
   27  * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
   28  * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
   29  * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
   30  * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
   31  * POSSESSION OR CORRESPONDENCE TO DESCRIPTION.  THE ENTIRE RISK ARISING OUT
   32  * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
   33  *
   34  *
   35  * For any questions regarding licensing please contact marketing@caviumnetworks.com
   36  *
   37  ***********************license end**************************************/
   38 /* $FreeBSD: stable/9/sys/mips/cavium/cvmx_config.h 217214 2011-01-10 03:48:41Z jmallett $ */
   39 
   40 #ifndef _CVMX_CONFIG_H
   41 #define _CVMX_CONFIG_H
   42 
   43 #include "opt_cvmx.h"
   44 
   45 #include <sys/types.h>
   46 #include <sys/param.h>
   47 #include <sys/systm.h>
   48 #include <sys/mbuf.h>
   49 
   50 #include <vm/vm.h>
   51 #include <vm/pmap.h>
   52 
   53 #include <machine/pmap.h>
   54 #include <machine/stdarg.h>
   55 
   56 #define asm             __asm
   57 
   58 #define CVMX_DONT_INCLUDE_CONFIG
   59 
   60 /* Define to enable the use of simple executive packet output functions.
   61 ** For packet I/O setup enable the helper functions below. 
   62 */ 
   63 #define CVMX_ENABLE_PKO_FUNCTIONS
   64 
   65 /* Define to enable the use of simple executive helper functions. These
   66 ** include many harware setup functions.  See cvmx-helper.[ch] for
   67 ** details.
   68 */
   69 #define CVMX_ENABLE_HELPER_FUNCTIONS
   70 
   71 /* CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve before
   72 ** the beginning of the packet. If necessary, override the default  
   73 ** here.  See the IPD section of the hardware manual for MBUFF SKIP 
   74 ** details.*/ 
   75 #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
   76 
   77 /* CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve in each
   78 ** chained packet element. If necessary, override the default here */
   79 #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
   80 
   81 /* CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is enabled
   82 ** for all input ports. This controls if IPD sends backpressure to all ports if
   83 ** Octeon's FPA pools don't have enough packet or work queue entries. Even when
   84 ** this is off, it is still possible to get backpressure from individual
   85 ** hardware ports. When configuring backpressure, also check
   86 ** CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override the default
   87 ** here */
   88 #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
   89 
   90 /* CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
   91 **  function. Once it is enabled the hardware starts accepting packets. You
   92 **  might want to skip the IPD enable if configuration changes are need
   93 **  from the default helper setup. If necessary, override the default here */
   94 #define CVMX_HELPER_ENABLE_IPD 1
   95 
   96 /* CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
   97 ** to incoming packets. */
   98 #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
   99 
  100 /* The following select which fields are used by the PIP to generate
  101 ** the tag on INPUT
  102 ** 0: don't include
  103 ** 1: include */
  104 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP       0
  105 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP       0
  106 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT     0
  107 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT     0
  108 #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER  0
  109 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP       0
  110 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP       0
  111 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT     0
  112 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT     0
  113 #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL     0
  114 #define CVMX_HELPER_INPUT_TAG_INPUT_PORT        1
  115 
  116 /* Select skip mode for input ports */
  117 #define CVMX_HELPER_INPUT_PORT_SKIP_MODE        CVMX_PIP_PORT_CFG_MODE_SKIPL2
  118 
  119 /* Define the number of queues per output port */
  120 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE0      1
  121 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE1      1
  122 
  123 /* Configure PKO to use per-core queues (PKO lockless operation). 
  124 ** Please see the related SDK documentation for PKO that illustrates 
  125 ** how to enable and configure this option. */
  126 //#define CVMX_ENABLE_PKO_LOCKLESS_OPERATION 1
  127 //#define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 8
  128 //#define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 8
  129 
  130 /* Force backpressure to be disabled.  This overrides all other
  131 ** backpressure configuration */
  132 #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 1
  133 
  134 /* Disable the SPI4000's processing of backpressure packets and backpressure
  135 ** generation. When this is 1, the SPI4000 will not stop sending packets when
  136 ** receiving backpressure. It will also not generate backpressure packets when
  137 ** its internal FIFOs are full. */
  138 #define CVMX_HELPER_DISABLE_SPI4000_BACKPRESSURE 1
  139 
  140 /* CVMX_HELPER_SPI_TIMEOUT is used to determine how long the SPI initialization
  141 ** routines wait for SPI training. You can override the value using
  142 ** executive-config.h if necessary */
  143 #define CVMX_HELPER_SPI_TIMEOUT 10
  144 
  145 /* Select the number of low latency memory ports (interfaces) that
  146 ** will be configured.  Valid values are 1 and 2.
  147 */
  148 #define CVMX_LLM_CONFIG_NUM_PORTS 2
  149 
  150 /* Enable the fix for PKI-100 errata ("Size field is 8 too large in WQE and next
  151 ** pointers"). If CVMX_ENABLE_LEN_M8_FIX is set to 0, the fix for this errata will 
  152 ** not be enabled. 
  153 ** 0: Fix is not enabled
  154 ** 1: Fix is enabled, if supported by hardware
  155 */
  156 #define CVMX_ENABLE_LEN_M8_FIX  1
  157 
  158 #if defined(CVMX_ENABLE_HELPER_FUNCTIONS) && !defined(CVMX_ENABLE_PKO_FUNCTIONS)
  159 #define CVMX_ENABLE_PKO_FUNCTIONS
  160 #endif
  161 
  162 /************************* Config Specific Defines ************************/
  163 #define CVMX_LLM_NUM_PORTS 1
  164 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1                   /**< PKO queues per port for interface 0 (ports 0-15) */
  165 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1                   /**< PKO queues per port for interface 1 (ports 16-31) */
  166 #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 /**< Limit on the number of PKO ports enabled for interface 0 */
  167 #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 /**< Limit on the number of PKO ports enabled for interface 1 */
  168 #define CVMX_PKO_QUEUES_PER_PORT_PCI 1                          /**< PKO queues per port for PCI (ports 32-35) */
  169 #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1                         /**< PKO queues per port for Loop devices (ports 36-39) */
  170 
  171 /************************* FPA allocation *********************************/
  172 /* Pool sizes in bytes, must be multiple of a cache line */
  173 #define CVMX_FPA_POOL_0_SIZE (15 * CVMX_CACHE_LINE_SIZE)
  174 #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
  175 #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
  176 #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  177 #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  178 #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  179 #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  180 #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  181 
  182 /* Pools in use */
  183 #define CVMX_FPA_PACKET_POOL                (0)             /**< Packet buffers */
  184 #define CVMX_FPA_PACKET_POOL_SIZE           CVMX_FPA_POOL_0_SIZE
  185 #define CVMX_FPA_WQE_POOL                   (1)             /**< Work queue entrys */
  186 #define CVMX_FPA_WQE_POOL_SIZE              CVMX_FPA_POOL_1_SIZE
  187 #define CVMX_FPA_OUTPUT_BUFFER_POOL         (2)             /**< PKO queue command buffers */
  188 #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE    CVMX_FPA_POOL_2_SIZE
  189 
  190 /*************************  FAU allocation ********************************/
  191 #define CVMX_FAU_REG_END                    2048
  192 
  193 #define CVMX_SCR_SCRATCH                    0
  194 
  195 #endif /* !_CVMX_CONFIG_H */

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