1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2014-2017 Chelsio Communications. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Chelsio Communications nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __T4_REGS_VALUES_H__ 35 #define __T4_REGS_VALUES_H__ 36 37 /* 38 * This file contains definitions for various T4 register value hardware 39 * constants. The types of values encoded here are predominantly those for 40 * register fields which control "modal" behavior. For the most part, we do 41 * not include definitions for register fields which are simple numeric 42 * metrics, etc. 43 */ 44 45 /* 46 * SGE definitions. 47 * ================ 48 */ 49 50 /* 51 * SGE register field values. 52 */ 53 54 /* CONTROL register */ 55 #define X_RXPKTCPLMODE_SPLIT 1 56 #define X_INGPCIEBOUNDARY_32B 0 57 #define X_INGPADBOUNDARY_SHIFT 5 58 #define X_INGPADBOUNDARY_32B 0 59 60 #define X_T6_INGPADBOUNDARY_SHIFT 3 61 #define X_T6_INGPADBOUNDARY_8B 0 62 63 /* CONTROL2 register */ 64 #define X_INGPACKBOUNDARY_SHIFT 5 65 #define X_INGPACKBOUNDARY_16B 0 66 #define X_INGPACKBOUNDARY_64B 1 67 68 /* GTS register */ 69 #define X_TIMERREG_RESTART_COUNTER 6 70 #define X_TIMERREG_UPDATE_CIDX 7 71 72 /* 73 * Egress Context field values 74 */ 75 #define X_FETCHBURSTMIN_64B 2 76 #define X_FETCHBURSTMIN_128B 3 77 #define X_FETCHBURSTMAX_256B 2 78 #define X_FETCHBURSTMAX_512B 3 79 80 #define X_HOSTFCMODE_NONE 0 81 82 /* 83 * Ingress Context field values 84 */ 85 #define X_UPDATEDELIVERY_STATUS_PAGE 2 86 87 #define X_RSPD_TYPE_FLBUF 0 88 #define X_RSPD_TYPE_CPL 1 89 90 /* 91 * Context field definitions. This is by no means a complete list of SGE 92 * Context fields. In the vast majority of cases the firmware initializes 93 * things the way they need to be set up. But in a few small cases, we need 94 * to compute new values and ship them off to the firmware to be applied to 95 * the SGE Conexts ... 96 */ 97 98 /* 99 * Congestion Manager Definitions. 100 */ 101 #define S_CONMCTXT_CNGTPMODE 19 102 #define M_CONMCTXT_CNGTPMODE 0x3 103 #define V_CONMCTXT_CNGTPMODE(x) ((x) << S_CONMCTXT_CNGTPMODE) 104 #define G_CONMCTXT_CNGTPMODE(x) \ 105 (((x) >> S_CONMCTXT_CNGTPMODE) & M_CONMCTXT_CNGTPMODE) 106 #define S_CONMCTXT_CNGCHMAP 0 107 #define M_CONMCTXT_CNGCHMAP 0xffff 108 #define V_CONMCTXT_CNGCHMAP(x) ((x) << S_CONMCTXT_CNGCHMAP) 109 #define G_CONMCTXT_CNGCHMAP(x) \ 110 (((x) >> S_CONMCTXT_CNGCHMAP) & M_CONMCTXT_CNGCHMAP) 111 112 #define X_CONMCTXT_CNGTPMODE_QUEUE 1 113 #define X_CONMCTXT_CNGTPMODE_CHANNEL 2 114 115 /* 116 * T5 and later support a new BAR2-based doorbell mechanism for Egress Queues. 117 * The User Doorbells are each 128 bytes in length with a Simple Doorbell at 118 * offsets 8x and a Write Combining single 64-byte Egress Queue Unit 119 * (X_IDXSIZE_UNIT) Gather Buffer interface at offset 64. For Ingress Queues, 120 * we have a Going To Sleep register at offsets 8x+4. 121 * 122 * As noted above, we have many instances of the Simple Doorbell and Going To 123 * Sleep registers at offsets 8x and 8x+4, respectively. We want to use a 124 * non-64-byte aligned offset for the Simple Doorbell in order to attempt to 125 * avoid buffering of the writes to the Simple Doorbell and we want to use a 126 * non-contiguous offset for the Going To Sleep writes in order to avoid 127 * possible combining between them. 128 */ 129 #define SGE_UDB_SIZE 128 130 #define SGE_UDB_KDOORBELL 8 131 #define SGE_UDB_GTS 20 132 133 /* 134 * CIM definitions. 135 * ================ 136 */ 137 138 /* 139 * CIM register field values. 140 */ 141 #define X_MBOWNER_NONE 0 142 #define X_MBOWNER_FW 1 143 #define X_MBOWNER_PL 2 144 145 /* 146 * PCI-E definitions. 147 * ================== 148 */ 149 #define X_WINDOW_SHIFT 10 150 #define X_PCIEOFST_SHIFT 10 151 152 /* 153 * TP definitions. 154 * =============== 155 */ 156 157 /* 158 * TP_VLAN_PRI_MAP controls which subset of fields will be present in the 159 * Compressed Filter Tuple for LE filters. Each bit set in TP_VLAN_PRI_MAP 160 * selects for a particular field being present. These fields, when present 161 * in the Compressed Filter Tuple, have the following widths in bits. 162 */ 163 #define W_FT_FCOE 1 164 #define W_FT_PORT 3 165 #define W_FT_VNIC_ID 17 166 #define W_FT_VLAN 17 167 #define W_FT_TOS 8 168 #define W_FT_PROTOCOL 8 169 #define W_FT_ETHERTYPE 16 170 #define W_FT_MACMATCH 9 171 #define W_FT_MPSHITTYPE 3 172 #define W_FT_FRAGMENTATION 1 173 174 #endif /* __T4_REGS_VALUES_H__ */ 175