1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011, 2016 Chelsio Communications, Inc. 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 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 * 30 */ 31 32 #ifndef __T4_REGS_VALUES_H__ 33 #define __T4_REGS_VALUES_H__ 34 35 /* 36 * This file contains definitions for various T4 register value hardware 37 * constants. The types of values encoded here are predominantly those for 38 * register fields which control "modal" behavior. For the most part, we do 39 * not include definitions for register fields which are simple numeric 40 * metrics, etc. 41 * 42 * These new "modal values" use a naming convention which matches the 43 * currently existing macros in t4_reg.h. For register field FOO which would 44 * have S_FOO, M_FOO, V_FOO() and G_FOO() macros, we introduce X_FOO_{MODE} 45 * definitions. These can be used as V_FOO(X_FOO_MODE) or as (G_FOO(x) == 46 * X_FOO_MODE). 47 * 48 * Note that this should all be part of t4_regs.h but the toolset used to 49 * generate that file doesn't [yet] have the capability of collecting these 50 * constants. 51 */ 52 53 /* 54 * SGE definitions. 55 * ================ 56 */ 57 58 /* 59 * SGE register field values. 60 */ 61 62 /* CONTROL register */ 63 #define X_FLSPLITMODE_FLSPLITMIN 0 64 #define X_FLSPLITMODE_ETHHDR 1 65 #define X_FLSPLITMODE_IPHDR 2 66 #define X_FLSPLITMODE_TCPHDR 3 67 68 #define X_DCASYSTYPE_FSB 0 69 #define X_DCASYSTYPE_CSI 1 70 71 #define X_EGSTATPAGESIZE_64B 0 72 #define X_EGSTATPAGESIZE_128B 1 73 74 #define X_RXPKTCPLMODE_DATA 0 75 #define X_RXPKTCPLMODE_SPLIT 1 76 77 #define X_INGPCIEBOUNDARY_SHIFT 5 78 #define X_INGPCIEBOUNDARY_32B 0 79 #define X_INGPCIEBOUNDARY_64B 1 80 #define X_INGPCIEBOUNDARY_128B 2 81 #define X_INGPCIEBOUNDARY_256B 3 82 #define X_INGPCIEBOUNDARY_512B 4 83 #define X_INGPCIEBOUNDARY_1024B 5 84 #define X_INGPCIEBOUNDARY_2048B 6 85 #define X_INGPCIEBOUNDARY_4096B 7 86 87 #define X_T6_INGPADBOUNDARY_SHIFT 3 88 #define X_T6_INGPADBOUNDARY_8B 0 89 #define X_T6_INGPADBOUNDARY_16B 1 90 #define X_T6_INGPADBOUNDARY_32B 2 91 #define X_T6_INGPADBOUNDARY_64B 3 92 #define X_T6_INGPADBOUNDARY_128B 4 93 #define X_T6_INGPADBOUNDARY_256B 5 94 #define X_T6_INGPADBOUNDARY_512B 6 95 #define X_T6_INGPADBOUNDARY_1024B 7 96 97 #define X_INGPADBOUNDARY_SHIFT 5 98 #define X_INGPADBOUNDARY_32B 0 99 #define X_INGPADBOUNDARY_64B 1 100 #define X_INGPADBOUNDARY_128B 2 101 #define X_INGPADBOUNDARY_256B 3 102 #define X_INGPADBOUNDARY_512B 4 103 #define X_INGPADBOUNDARY_1024B 5 104 #define X_INGPADBOUNDARY_2048B 6 105 #define X_INGPADBOUNDARY_4096B 7 106 107 #define X_EGRPCIEBOUNDARY_SHIFT 5 108 #define X_EGRPCIEBOUNDARY_32B 0 109 #define X_EGRPCIEBOUNDARY_64B 1 110 #define X_EGRPCIEBOUNDARY_128B 2 111 #define X_EGRPCIEBOUNDARY_256B 3 112 #define X_EGRPCIEBOUNDARY_512B 4 113 #define X_EGRPCIEBOUNDARY_1024B 5 114 #define X_EGRPCIEBOUNDARY_2048B 6 115 #define X_EGRPCIEBOUNDARY_4096B 7 116 117 /* CONTROL2 register */ 118 #define X_INGPACKBOUNDARY_SHIFT 5 // *most* of the values ... 119 #define X_INGPACKBOUNDARY_16B 0 // Note weird value! 120 #define X_INGPACKBOUNDARY_64B 1 121 #define X_INGPACKBOUNDARY_128B 2 122 #define X_INGPACKBOUNDARY_256B 3 123 #define X_INGPACKBOUNDARY_512B 4 124 #define X_INGPACKBOUNDARY_1024B 5 125 #define X_INGPACKBOUNDARY_2048B 6 126 #define X_INGPACKBOUNDARY_4096B 7 127 128 /* GTS register */ 129 #define SGE_TIMERREGS 6 130 #define X_TIMERREG_COUNTER0 0 131 #define X_TIMERREG_COUNTER1 1 132 #define X_TIMERREG_COUNTER2 2 133 #define X_TIMERREG_COUNTER3 3 134 #define X_TIMERREG_COUNTER4 4 135 #define X_TIMERREG_COUNTER5 5 136 #define X_TIMERREG_RESTART_COUNTER 6 137 #define X_TIMERREG_UPDATE_CIDX 7 138 139 /* 140 * Egress Context field values 141 */ 142 #define EC_WR_UNITS 16 143 144 #define X_FETCHBURSTMIN_SHIFT 4 145 #define X_FETCHBURSTMIN_16B 0 146 #define X_FETCHBURSTMIN_32B 1 147 #define X_FETCHBURSTMIN_64B 2 148 #define X_FETCHBURSTMIN_128B 3 149 150 #define X_FETCHBURSTMAX_SHIFT 6 151 #define X_FETCHBURSTMAX_64B 0 152 #define X_FETCHBURSTMAX_128B 1 153 #define X_FETCHBURSTMAX_256B 2 154 #define X_FETCHBURSTMAX_512B 3 155 156 #define X_HOSTFCMODE_NONE 0 157 #define X_HOSTFCMODE_INGRESS_QUEUE 1 158 #define X_HOSTFCMODE_STATUS_PAGE 2 159 #define X_HOSTFCMODE_BOTH 3 160 161 #define X_HOSTFCOWNER_UP 0 162 #define X_HOSTFCOWNER_SGE 1 163 164 #define X_CIDXFLUSHTHRESH_1 0 165 #define X_CIDXFLUSHTHRESH_2 1 166 #define X_CIDXFLUSHTHRESH_4 2 167 #define X_CIDXFLUSHTHRESH_8 3 168 #define X_CIDXFLUSHTHRESH_16 4 169 #define X_CIDXFLUSHTHRESH_32 5 170 #define X_CIDXFLUSHTHRESH_64 6 171 #define X_CIDXFLUSHTHRESH_128 7 172 173 #define X_IDXSIZE_UNIT 64 174 175 #define X_BASEADDRESS_ALIGN 512 176 177 /* 178 * Ingress Context field values 179 */ 180 #define X_UPDATESCHEDULING_TIMER 0 181 #define X_UPDATESCHEDULING_COUNTER_OPTTIMER 1 182 183 #define X_UPDATEDELIVERY_NONE 0 184 #define X_UPDATEDELIVERY_INTERRUPT 1 185 #define X_UPDATEDELIVERY_STATUS_PAGE 2 186 #define X_UPDATEDELIVERY_BOTH 3 187 188 #define X_INTERRUPTDESTINATION_PCIE 0 189 #define X_INTERRUPTDESTINATION_IQ 1 190 191 #define X_QUEUEENTRYSIZE_16B 0 192 #define X_QUEUEENTRYSIZE_32B 1 193 #define X_QUEUEENTRYSIZE_64B 2 194 #define X_QUEUEENTRYSIZE_128B 3 195 196 #define IC_SIZE_UNIT 16 197 #define IC_BASEADDRESS_ALIGN 512 198 199 #define X_RSPD_TYPE_FLBUF 0 200 #define X_RSPD_TYPE_CPL 1 201 #define X_RSPD_TYPE_INTR 2 202 203 /* 204 * Context field definitions. This is by no means a complete list of SGE 205 * Context fields. In the vast majority of cases the firmware initializes 206 * things the way they need to be set up. But in a few small cases, we need 207 * to compute new values and ship them off to the firmware to be applied to 208 * the SGE Conexts ... 209 */ 210 211 /* 212 * Congestion Manager Definitions. 213 */ 214 #define S_CONMCTXT_CNGTPMODE 19 215 #define M_CONMCTXT_CNGTPMODE 0x3 216 #define V_CONMCTXT_CNGTPMODE(x) ((x) << S_CONMCTXT_CNGTPMODE) 217 #define G_CONMCTXT_CNGTPMODE(x) \ 218 (((x) >> S_CONMCTXT_CNGTPMODE) & M_CONMCTXT_CNGTPMODE) 219 #define S_CONMCTXT_CNGCHMAP 0 220 #define M_CONMCTXT_CNGCHMAP 0xffff 221 #define V_CONMCTXT_CNGCHMAP(x) ((x) << S_CONMCTXT_CNGCHMAP) 222 #define G_CONMCTXT_CNGCHMAP(x) \ 223 (((x) >> S_CONMCTXT_CNGCHMAP) & M_CONMCTXT_CNGCHMAP) 224 225 #define X_CONMCTXT_CNGTPMODE_DISABLE 0 226 #define X_CONMCTXT_CNGTPMODE_QUEUE 1 227 #define X_CONMCTXT_CNGTPMODE_CHANNEL 2 228 #define X_CONMCTXT_CNGTPMODE_BOTH 3 229 230 /* 231 * T5 and later support a new BAR2-based doorbell mechanism for Egress Queues. 232 * The User Doorbells are each 128 bytes in length with a Simple Doorbell at 233 * offsets 8x and a Write Combining single 64-byte Egress Queue Unit 234 * (X_IDXSIZE_UNIT) Gather Buffer interface at offset 64. For Ingress Queues, 235 * we have a Going To Sleep register at offsets 8x+4. 236 * 237 * As noted above, we have many instances of the Simple Doorbell and Going To 238 * Sleep registers at offsets 8x and 8x+4, respectively. We want to use a 239 * non-64-byte aligned offset for the Simple Doorbell in order to attempt to 240 * avoid buffering of the writes to the Simple Doorbell and we want to use a 241 * non-contiguous offset for the Going To Sleep writes in order to avoid 242 * possible combining between them. 243 */ 244 #define SGE_UDB_SIZE 128 245 #define SGE_UDB_KDOORBELL 8 246 #define SGE_UDB_GTS 20 247 #define SGE_UDB_WCDOORBELL 64 248 249 /* 250 * CIM definitions. 251 * ================ 252 */ 253 254 /* 255 * CIM register field values. 256 */ 257 #define X_MBOWNER_NONE 0 258 #define X_MBOWNER_FW 1 259 #define X_MBOWNER_PL 2 260 #define X_MBOWNER_FW_DEFERRED 3 261 262 /* 263 * PCI-E definitions. 264 * ================== 265 */ 266 267 #define X_WINDOW_SHIFT 10 268 #define X_PCIEOFST_SHIFT 10 269 270 /* 271 * TP definitions. 272 * =============== 273 */ 274 275 /* 276 * TP_VLAN_PRI_MAP controls which subset of fields will be present in the 277 * Compressed Filter Tuple for LE filters. Each bit set in TP_VLAN_PRI_MAP 278 * selects for a particular field being present. These fields, when present 279 * in the Compressed Filter Tuple, have the following widths in bits. 280 */ 281 #define S_FT_FIRST S_FCOE 282 #define S_FT_LAST S_FRAGMENTATION 283 284 #define W_FT_FCOE 1 285 #define W_FT_PORT 3 286 #define W_FT_VNIC_ID 17 287 #define W_FT_VLAN 17 288 #define W_FT_TOS 8 289 #define W_FT_PROTOCOL 8 290 #define W_FT_ETHERTYPE 16 291 #define W_FT_MACMATCH 9 292 #define W_FT_MPSHITTYPE 3 293 #define W_FT_FRAGMENTATION 1 294 295 /* 296 * Some of the Compressed Filter Tuple fields have internal structure. These 297 * bit shifts/masks describe those structures. All shifts are relative to the 298 * base position of the fields within the Compressed Filter Tuple 299 */ 300 #define S_FT_VLAN_VLD 16 301 #define V_FT_VLAN_VLD(x) ((x) << S_FT_VLAN_VLD) 302 #define F_FT_VLAN_VLD V_FT_VLAN_VLD(1U) 303 304 #define S_FT_VNID_ID_VF 0 305 #define M_FT_VNID_ID_VF 0x7fU 306 #define V_FT_VNID_ID_VF(x) ((x) << S_FT_VNID_ID_VF) 307 #define G_FT_VNID_ID_VF(x) (((x) >> S_FT_VNID_ID_VF) & M_FT_VNID_ID_VF) 308 309 #define S_FT_VNID_ID_PF 7 310 #define M_FT_VNID_ID_PF 0x7U 311 #define V_FT_VNID_ID_PF(x) ((x) << S_FT_VNID_ID_PF) 312 #define G_FT_VNID_ID_PF(x) (((x) >> S_FT_VNID_ID_PF) & M_FT_VNID_ID_PF) 313 314 #define S_FT_VNID_ID_VLD 16 315 #define V_FT_VNID_ID_VLD(x) ((x) << S_FT_VNID_ID_VLD) 316 #define F_FT_VNID_ID_VLD(x) V_FT_VNID_ID_VLD(1U) 317 318 #endif /* __T4_REGS_VALUES_H__ */ 319