1/* 2 * This file is part of the Chelsio T4 Ethernet driver for Linux. 3 * 4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35#ifndef __T4_HW_H 36#define __T4_HW_H 37 38#include <linux/types.h> 39 40enum { 41 NCHAN = 4, /* # of HW channels */ 42 MAX_MTU = 9600, /* max MAC MTU, excluding header + FCS */ 43 EEPROMSIZE = 17408,/* Serial EEPROM physical size */ 44 EEPROMVSIZE = 32768,/* Serial EEPROM virtual address space size */ 45 EEPROMPFSIZE = 1024, /* EEPROM writable area size for PFn, n>0 */ 46 RSS_NENTRIES = 2048, /* # of entries in RSS mapping table */ 47 T6_RSS_NENTRIES = 4096, /* # of entries in RSS mapping table */ 48 TCB_SIZE = 128, /* TCB size */ 49 NMTUS = 16, /* size of MTU table */ 50 NCCTRL_WIN = 32, /* # of congestion control windows */ 51 NTX_SCHED = 8, /* # of HW Tx scheduling queues */ 52 PM_NSTATS = 5, /* # of PM stats */ 53 T6_PM_NSTATS = 7, /* # of PM stats in T6 */ 54 MBOX_LEN = 64, /* mailbox size in bytes */ 55 TRACE_LEN = 112, /* length of trace data and mask */ 56 FILTER_OPT_LEN = 36, /* filter tuple width for optional components */ 57}; 58 59enum { 60 CIM_NUM_IBQ = 6, /* # of CIM IBQs */ 61 CIM_NUM_OBQ = 6, /* # of CIM OBQs */ 62 CIM_NUM_OBQ_T5 = 8, /* # of CIM OBQs for T5 adapter */ 63 CIMLA_SIZE = 2048, /* # of 32-bit words in CIM LA */ 64 CIM_PIFLA_SIZE = 64, /* # of 192-bit words in CIM PIF LA */ 65 CIM_MALA_SIZE = 64, /* # of 160-bit words in CIM MA LA */ 66 CIM_IBQ_SIZE = 128, /* # of 128-bit words in a CIM IBQ */ 67 CIM_OBQ_SIZE = 128, /* # of 128-bit words in a CIM OBQ */ 68 TPLA_SIZE = 128, /* # of 64-bit words in TP LA */ 69 ULPRX_LA_SIZE = 512, /* # of 256-bit words in ULP_RX LA */ 70}; 71 72/* SGE context types */ 73enum ctxt_type { 74 CTXT_EGRESS, 75 CTXT_INGRESS, 76 CTXT_FLM, 77 CTXT_CNM, 78}; 79 80enum { 81 SF_PAGE_SIZE = 256, /* serial flash page size */ 82 SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */ 83}; 84 85enum { RSP_TYPE_FLBUF, RSP_TYPE_CPL, RSP_TYPE_INTR }; /* response entry types */ 86 87enum { MBOX_OWNER_NONE, MBOX_OWNER_FW, MBOX_OWNER_DRV }; /* mailbox owners */ 88 89enum { 90 SGE_MAX_WR_LEN = 512, /* max WR size in bytes */ 91 SGE_CTXT_SIZE = 24, /* size of SGE context */ 92 SGE_NTIMERS = 6, /* # of interrupt holdoff timer values */ 93 SGE_NCOUNTERS = 4, /* # of interrupt packet counter values */ 94 SGE_NDBQTIMERS = 8, /* # of Doorbell Queue Timer values */ 95 SGE_MAX_IQ_SIZE = 65520, 96 97 SGE_TIMER_RSTRT_CNTR = 6, /* restart RX packet threshold counter */ 98 SGE_TIMER_UPD_CIDX = 7, /* update cidx only */ 99 100 SGE_EQ_IDXSIZE = 64, /* egress queue pidx/cidx unit size */ 101 102 SGE_INTRDST_PCI = 0, /* interrupt destination is PCI-E */ 103 SGE_INTRDST_IQ = 1, /* destination is an ingress queue */ 104 105 SGE_UPDATEDEL_NONE = 0, /* ingress queue pidx update delivery */ 106 SGE_UPDATEDEL_INTR = 1, /* interrupt */ 107 SGE_UPDATEDEL_STPG = 2, /* status page */ 108 SGE_UPDATEDEL_BOTH = 3, /* interrupt and status page */ 109 110 SGE_HOSTFCMODE_NONE = 0, /* egress queue cidx updates */ 111 SGE_HOSTFCMODE_IQ = 1, /* sent to ingress queue */ 112 SGE_HOSTFCMODE_STPG = 2, /* sent to status page */ 113 SGE_HOSTFCMODE_BOTH = 3, /* ingress queue and status page */ 114 115 SGE_FETCHBURSTMIN_16B = 0,/* egress queue descriptor fetch minimum */ 116 SGE_FETCHBURSTMIN_32B = 1, 117 SGE_FETCHBURSTMIN_64B = 2, 118 SGE_FETCHBURSTMIN_128B = 3, 119 120 SGE_FETCHBURSTMAX_64B = 0,/* egress queue descriptor fetch maximum */ 121 SGE_FETCHBURSTMAX_128B = 1, 122 SGE_FETCHBURSTMAX_256B = 2, 123 SGE_FETCHBURSTMAX_512B = 3, 124 125 SGE_CIDXFLUSHTHRESH_1 = 0,/* egress queue cidx flush threshold */ 126 SGE_CIDXFLUSHTHRESH_2 = 1, 127 SGE_CIDXFLUSHTHRESH_4 = 2, 128 SGE_CIDXFLUSHTHRESH_8 = 3, 129 SGE_CIDXFLUSHTHRESH_16 = 4, 130 SGE_CIDXFLUSHTHRESH_32 = 5, 131 SGE_CIDXFLUSHTHRESH_64 = 6, 132 SGE_CIDXFLUSHTHRESH_128 = 7, 133 134 SGE_INGPADBOUNDARY_SHIFT = 5,/* ingress queue pad boundary */ 135}; 136 137/* PCI-e memory window access */ 138enum pcie_memwin { 139 MEMWIN_NIC = 0, 140 MEMWIN_RSVD1 = 1, 141 MEMWIN_RSVD2 = 2, 142 MEMWIN_RDMA = 3, 143 MEMWIN_RSVD4 = 4, 144 MEMWIN_FOISCSI = 5, 145 MEMWIN_CSIOSTOR = 6, 146 MEMWIN_RSVD7 = 7, 147}; 148 149struct sge_qstat { /* data written to SGE queue status entries */ 150 __be32 qid; 151 __be16 cidx; 152 __be16 pidx; 153}; 154 155/* 156 * Structure for last 128 bits of response descriptors 157 */ 158struct rsp_ctrl { 159 __be32 hdrbuflen_pidx; 160 __be32 pldbuflen_qid; 161 union { 162 u8 type_gen; 163 __be64 last_flit; 164 }; 165}; 166 167#define RSPD_NEWBUF_S 31 168#define RSPD_NEWBUF_V(x) ((x) << RSPD_NEWBUF_S) 169#define RSPD_NEWBUF_F RSPD_NEWBUF_V(1U) 170 171#define RSPD_LEN_S 0 172#define RSPD_LEN_M 0x7fffffff 173#define RSPD_LEN_G(x) (((x) >> RSPD_LEN_S) & RSPD_LEN_M) 174 175#define RSPD_QID_S RSPD_LEN_S 176#define RSPD_QID_M RSPD_LEN_M 177#define RSPD_QID_G(x) RSPD_LEN_G(x) 178 179#define RSPD_GEN_S 7 180 181#define RSPD_TYPE_S 4 182#define RSPD_TYPE_M 0x3 183#define RSPD_TYPE_G(x) (((x) >> RSPD_TYPE_S) & RSPD_TYPE_M) 184 185/* Rx queue interrupt deferral fields: counter enable and timer index */ 186#define QINTR_CNT_EN_S 0 187#define QINTR_CNT_EN_V(x) ((x) << QINTR_CNT_EN_S) 188#define QINTR_CNT_EN_F QINTR_CNT_EN_V(1U) 189 190#define QINTR_TIMER_IDX_S 1 191#define QINTR_TIMER_IDX_M 0x7 192#define QINTR_TIMER_IDX_V(x) ((x) << QINTR_TIMER_IDX_S) 193#define QINTR_TIMER_IDX_G(x) (((x) >> QINTR_TIMER_IDX_S) & QINTR_TIMER_IDX_M) 194 195/* 196 * Flash layout. 197 */ 198#define FLASH_START(start) ((start) * SF_SEC_SIZE) 199#define FLASH_MAX_SIZE(nsecs) ((nsecs) * SF_SEC_SIZE) 200 201enum { 202 /* 203 * Various Expansion-ROM boot images, etc. 204 */ 205 FLASH_EXP_ROM_START_SEC = 0, 206 FLASH_EXP_ROM_NSECS = 6, 207 FLASH_EXP_ROM_START = FLASH_START(FLASH_EXP_ROM_START_SEC), 208 FLASH_EXP_ROM_MAX_SIZE = FLASH_MAX_SIZE(FLASH_EXP_ROM_NSECS), 209 210 /* 211 * iSCSI Boot Firmware Table (iBFT) and other driver-related 212 * parameters ... 213 */ 214 FLASH_IBFT_START_SEC = 6, 215 FLASH_IBFT_NSECS = 1, 216 FLASH_IBFT_START = FLASH_START(FLASH_IBFT_START_SEC), 217 FLASH_IBFT_MAX_SIZE = FLASH_MAX_SIZE(FLASH_IBFT_NSECS), 218 219 /* 220 * Boot configuration data. 221 */ 222 FLASH_BOOTCFG_START_SEC = 7, 223 FLASH_BOOTCFG_NSECS = 1, 224 FLASH_BOOTCFG_START = FLASH_START(FLASH_BOOTCFG_START_SEC), 225 FLASH_BOOTCFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_BOOTCFG_NSECS), 226 227 /* 228 * Location of firmware image in FLASH. 229 */ 230 FLASH_FW_START_SEC = 8, 231 FLASH_FW_NSECS = 16, 232 FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC), 233 FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS), 234 235 /* Location of bootstrap firmware image in FLASH. 236 */ 237 FLASH_FWBOOTSTRAP_START_SEC = 27, 238 FLASH_FWBOOTSTRAP_NSECS = 1, 239 FLASH_FWBOOTSTRAP_START = FLASH_START(FLASH_FWBOOTSTRAP_START_SEC), 240 FLASH_FWBOOTSTRAP_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FWBOOTSTRAP_NSECS), 241 242 /* 243 * iSCSI persistent/crash information. 244 */ 245 FLASH_ISCSI_CRASH_START_SEC = 29, 246 FLASH_ISCSI_CRASH_NSECS = 1, 247 FLASH_ISCSI_CRASH_START = FLASH_START(FLASH_ISCSI_CRASH_START_SEC), 248 FLASH_ISCSI_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_ISCSI_CRASH_NSECS), 249 250 /* 251 * FCoE persistent/crash information. 252 */ 253 FLASH_FCOE_CRASH_START_SEC = 30, 254 FLASH_FCOE_CRASH_NSECS = 1, 255 FLASH_FCOE_CRASH_START = FLASH_START(FLASH_FCOE_CRASH_START_SEC), 256 FLASH_FCOE_CRASH_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FCOE_CRASH_NSECS), 257 258 /* 259 * Location of Firmware Configuration File in FLASH. Since the FPGA 260 * "FLASH" is smaller we need to store the Configuration File in a 261 * different location -- which will overlap the end of the firmware 262 * image if firmware ever gets that large ... 263 */ 264 FLASH_CFG_START_SEC = 31, 265 FLASH_CFG_NSECS = 1, 266 FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC), 267 FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS), 268 269 /* We don't support FLASH devices which can't support the full 270 * standard set of sections which we need for normal 271 * operations. 272 */ 273 FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE, 274 275 FLASH_FPGA_CFG_START_SEC = 15, 276 FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC), 277 278 /* 279 * Sectors 32-63 are reserved for FLASH failover. 280 */ 281}; 282 283#undef FLASH_START 284#undef FLASH_MAX_SIZE 285 286#define SGE_TIMESTAMP_S 0 287#define SGE_TIMESTAMP_M 0xfffffffffffffffULL 288#define SGE_TIMESTAMP_V(x) ((__u64)(x) << SGE_TIMESTAMP_S) 289#define SGE_TIMESTAMP_G(x) (((__u64)(x) >> SGE_TIMESTAMP_S) & SGE_TIMESTAMP_M) 290 291#define I2C_DEV_ADDR_A0 0xa0 292#define I2C_DEV_ADDR_A2 0xa2 293#define I2C_PAGE_SIZE 0x100 294#define SFP_DIAG_TYPE_ADDR 0x5c 295#define SFP_DIAG_TYPE_LEN 0x1 296#define SFP_DIAG_ADDRMODE BIT(2) 297#define SFP_DIAG_IMPLEMENTED BIT(6) 298#define SFF_8472_COMP_ADDR 0x5e 299#define SFF_8472_COMP_LEN 0x1 300#define SFF_REV_ADDR 0x1 301#define SFF_REV_LEN 0x1 302 303#endif /* __T4_HW_H */ 304