drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c

   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 #include <linux/seq_file.h>
  36 #include <linux/debugfs.h>
  37 #include <linux/string_helpers.h>
  38 #include <linux/sort.h>
  39 #include <linux/ctype.h>
  40
  41 #include "cxgb4.h"
  42 #include "t4_regs.h"
  43 #include "t4_values.h"
  44 #include "t4fw_api.h"
  45 #include "cxgb4_debugfs.h"
  46 #include "clip_tbl.h"
  47 #include "l2t.h"
  48
  49 /* generic seq_file support for showing a table of size rows x width. */
  50 static void *seq_tab_get_idx(struct seq_tab *tb, loff_t pos)
  51 {
  52         pos -= tb->skip_first;
  53         return pos >= tb->rows ? NULL : &tb->data[pos * tb->width];
  54 }
  55
  56 static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
  57 {
  58         struct seq_tab *tb = seq->private;
  59
  60         if (tb->skip_first && *pos == 0)
  61                 return SEQ_START_TOKEN;
  62
  63         return seq_tab_get_idx(tb, *pos);
  64 }
  65
  66 static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
  67 {
  68         v = seq_tab_get_idx(seq->private, *pos + 1);
  69         if (v)
  70                 ++*pos;
  71         return v;
  72 }
  73
  74 static void seq_tab_stop(struct seq_file *seq, void *v)
  75 {
  76 }
  77
  78 static int seq_tab_show(struct seq_file *seq, void *v)
  79 {
  80         const struct seq_tab *tb = seq->private;
  81
  82         return tb->show(seq, v, ((char *)v - tb->data) / tb->width);
  83 }
  84
  85 static const struct seq_operations seq_tab_ops = {
  86         .start = seq_tab_start,
  87         .next  = seq_tab_next,
  88         .stop  = seq_tab_stop,
  89         .show  = seq_tab_show
  90 };
  91
  92 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
  93                              unsigned int width, unsigned int have_header,
  94                              int (*show)(struct seq_file *seq, void *v, int i))
  95 {
  96         struct seq_tab *p;
  97
  98         p = __seq_open_private(f, &seq_tab_ops, sizeof(*p) + rows * width);
  99         if (p) {
 100                 p->show = show;
 101                 p->rows = rows;
 102                 p->width = width;
 103                 p->skip_first = have_header != 0;
 104         }
 105         return p;
 106 }
 107
 108 /* Trim the size of a seq_tab to the supplied number of rows.  The operation is
 109  * irreversible.
 110  */
 111 static int seq_tab_trim(struct seq_tab *p, unsigned int new_rows)
 112 {
 113         if (new_rows > p->rows)
 114                 return -EINVAL;
 115         p->rows = new_rows;
 116         return 0;
 117 }
 118
 119 static int cim_la_show(struct seq_file *seq, void *v, int idx)
 120 {
 121         if (v == SEQ_START_TOKEN)
 122                 seq_puts(seq, "Status   Data      PC     LS0Stat  LS0Addr "
 123                          "            LS0Data\n");
 124         else {
 125                 const u32 *p = v;
 126
 127                 seq_printf(seq,
 128                            "  %02x  %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
 129                            (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
 130                            p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
 131                            p[6], p[7]);
 132         }
 133         return 0;
 134 }
 135
 136 static int cim_la_show_3in1(struct seq_file *seq, void *v, int idx)
 137 {
 138         if (v == SEQ_START_TOKEN) {
 139                 seq_puts(seq, "Status   Data      PC\n");
 140         } else {
 141                 const u32 *p = v;
 142
 143                 seq_printf(seq, "  %02x   %08x %08x\n", p[5] & 0xff, p[6],
 144                            p[7]);
 145                 seq_printf(seq, "  %02x   %02x%06x %02x%06x\n",
 146                            (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
 147                            p[4] & 0xff, p[5] >> 8);
 148                 seq_printf(seq, "  %02x   %x%07x %x%07x\n", (p[0] >> 4) & 0xff,
 149                            p[0] & 0xf, p[1] >> 4, p[1] & 0xf, p[2] >> 4);
 150         }
 151         return 0;
 152 }
 153
 154 static int cim_la_open(struct inode *inode, struct file *file)
 155 {
 156         int ret;
 157         unsigned int cfg;
 158         struct seq_tab *p;
 159         struct adapter *adap = inode->i_private;
 160
 161         ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
 162         if (ret)
 163                 return ret;
 164
 165         p = seq_open_tab(file, adap->params.cim_la_size / 8, 8 * sizeof(u32), 1,
 166                          cfg & UPDBGLACAPTPCONLY_F ?
 167                          cim_la_show_3in1 : cim_la_show);
 168         if (!p)
 169                 return -ENOMEM;
 170
 171         ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
 172         if (ret)
 173                 seq_release_private(inode, file);
 174         return ret;
 175 }
 176
 177 static const struct file_operations cim_la_fops = {
 178         .owner   = THIS_MODULE,
 179         .open    = cim_la_open,
 180         .read    = seq_read,
 181         .llseek  = seq_lseek,
 182         .release = seq_release_private
 183 };
 184
 185 static int cim_qcfg_show(struct seq_file *seq, void *v)
 186 {
 187         static const char * const qname[] = {
 188                 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
 189                 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
 190                 "SGE0-RX", "SGE1-RX"
 191         };
 192
 193         int i;
 194         struct adapter *adap = seq->private;
 195         u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 196         u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 197         u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
 198         u16 thres[CIM_NUM_IBQ];
 199         u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
 200         u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
 201         u32 *p = stat;
 202         int cim_num_obq = is_t4(adap->params.chip) ?
 203                                 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
 204
 205         i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
 206                         UP_IBQ_0_SHADOW_RDADDR_A,
 207                         ARRAY_SIZE(stat), stat);
 208         if (!i) {
 209                 if (is_t4(adap->params.chip)) {
 210                         i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
 211                                         ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
 212                                 wr = obq_wr_t4;
 213                 } else {
 214                         i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
 215                                         ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
 216                                 wr = obq_wr_t5;
 217                 }
 218         }
 219         if (i)
 220                 return i;
 221
 222         t4_read_cimq_cfg(adap, base, size, thres);
 223
 224         seq_printf(seq,
 225                    "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
 226         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
 227                 seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
 228                            qname[i], base[i], size[i], thres[i],
 229                            IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
 230                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 231                            QUEREMFLITS_G(p[2]) * 16);
 232         for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
 233                 seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
 234                            qname[i], base[i], size[i],
 235                            QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
 236                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 237                            QUEREMFLITS_G(p[2]) * 16);
 238         return 0;
 239 }
 240
 241 static int cim_qcfg_open(struct inode *inode, struct file *file)
 242 {
 243         return single_open(file, cim_qcfg_show, inode->i_private);
 244 }
 245
 246 static const struct file_operations cim_qcfg_fops = {
 247         .owner   = THIS_MODULE,
 248         .open    = cim_qcfg_open,
 249         .read    = seq_read,
 250         .llseek  = seq_lseek,
 251         .release = single_release,
 252 };
 253
 254 static int cimq_show(struct seq_file *seq, void *v, int idx)
 255 {
 256         const u32 *p = v;
 257
 258         seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
 259                    p[2], p[3]);
 260         return 0;
 261 }
 262
 263 static int cim_ibq_open(struct inode *inode, struct file *file)
 264 {
 265         int ret;
 266         struct seq_tab *p;
 267         unsigned int qid = (uintptr_t)inode->i_private & 7;
 268         struct adapter *adap = inode->i_private - qid;
 269
 270         p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 271         if (!p)
 272                 return -ENOMEM;
 273
 274         ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
 275         if (ret < 0)
 276                 seq_release_private(inode, file);
 277         else
 278                 ret = 0;
 279         return ret;
 280 }
 281
 282 static const struct file_operations cim_ibq_fops = {
 283         .owner   = THIS_MODULE,
 284         .open    = cim_ibq_open,
 285         .read    = seq_read,
 286         .llseek  = seq_lseek,
 287         .release = seq_release_private
 288 };
 289
 290 static int cim_obq_open(struct inode *inode, struct file *file)
 291 {
 292         int ret;
 293         struct seq_tab *p;
 294         unsigned int qid = (uintptr_t)inode->i_private & 7;
 295         struct adapter *adap = inode->i_private - qid;
 296
 297         p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 298         if (!p)
 299                 return -ENOMEM;
 300
 301         ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
 302         if (ret < 0) {
 303                 seq_release_private(inode, file);
 304         } else {
 305                 seq_tab_trim(p, ret / 4);
 306                 ret = 0;
 307         }
 308         return ret;
 309 }
 310
 311 static const struct file_operations cim_obq_fops = {
 312         .owner   = THIS_MODULE,
 313         .open    = cim_obq_open,
 314         .read    = seq_read,
 315         .llseek  = seq_lseek,
 316         .release = seq_release_private
 317 };
 318
 319 struct field_desc {
 320         const char *name;
 321         unsigned int start;
 322         unsigned int width;
 323 };
 324
 325 static void field_desc_show(struct seq_file *seq, u64 v,
 326                             const struct field_desc *p)
 327 {
 328         char buf[32];
 329         int line_size = 0;
 330
 331         while (p->name) {
 332                 u64 mask = (1ULL << p->width) - 1;
 333                 int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
 334                                     ((unsigned long long)v >> p->start) & mask);
 335
 336                 if (line_size + len >= 79) {
 337                         line_size = 8;
 338                         seq_puts(seq, "\n        ");
 339                 }
 340                 seq_printf(seq, "%s ", buf);
 341                 line_size += len + 1;
 342                 p++;
 343         }
 344         seq_putc(seq, '\n');
 345 }
 346
 347 static struct field_desc tp_la0[] = {
 348         { "RcfOpCodeOut", 60, 4 },
 349         { "State", 56, 4 },
 350         { "WcfState", 52, 4 },
 351         { "RcfOpcSrcOut", 50, 2 },
 352         { "CRxError", 49, 1 },
 353         { "ERxError", 48, 1 },
 354         { "SanityFailed", 47, 1 },
 355         { "SpuriousMsg", 46, 1 },
 356         { "FlushInputMsg", 45, 1 },
 357         { "FlushInputCpl", 44, 1 },
 358         { "RssUpBit", 43, 1 },
 359         { "RssFilterHit", 42, 1 },
 360         { "Tid", 32, 10 },
 361         { "InitTcb", 31, 1 },
 362         { "LineNumber", 24, 7 },
 363         { "Emsg", 23, 1 },
 364         { "EdataOut", 22, 1 },
 365         { "Cmsg", 21, 1 },
 366         { "CdataOut", 20, 1 },
 367         { "EreadPdu", 19, 1 },
 368         { "CreadPdu", 18, 1 },
 369         { "TunnelPkt", 17, 1 },
 370         { "RcfPeerFin", 16, 1 },
 371         { "RcfReasonOut", 12, 4 },
 372         { "TxCchannel", 10, 2 },
 373         { "RcfTxChannel", 8, 2 },
 374         { "RxEchannel", 6, 2 },
 375         { "RcfRxChannel", 5, 1 },
 376         { "RcfDataOutSrdy", 4, 1 },
 377         { "RxDvld", 3, 1 },
 378         { "RxOoDvld", 2, 1 },
 379         { "RxCongestion", 1, 1 },
 380         { "TxCongestion", 0, 1 },
 381         { NULL }
 382 };
 383
 384 static int tp_la_show(struct seq_file *seq, void *v, int idx)
 385 {
 386         const u64 *p = v;
 387
 388         field_desc_show(seq, *p, tp_la0);
 389         return 0;
 390 }
 391
 392 static int tp_la_show2(struct seq_file *seq, void *v, int idx)
 393 {
 394         const u64 *p = v;
 395
 396         if (idx)
 397                 seq_putc(seq, '\n');
 398         field_desc_show(seq, p[0], tp_la0);
 399         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 400                 field_desc_show(seq, p[1], tp_la0);
 401         return 0;
 402 }
 403
 404 static int tp_la_show3(struct seq_file *seq, void *v, int idx)
 405 {
 406         static struct field_desc tp_la1[] = {
 407                 { "CplCmdIn", 56, 8 },
 408                 { "CplCmdOut", 48, 8 },
 409                 { "ESynOut", 47, 1 },
 410                 { "EAckOut", 46, 1 },
 411                 { "EFinOut", 45, 1 },
 412                 { "ERstOut", 44, 1 },
 413                 { "SynIn", 43, 1 },
 414                 { "AckIn", 42, 1 },
 415                 { "FinIn", 41, 1 },
 416                 { "RstIn", 40, 1 },
 417                 { "DataIn", 39, 1 },
 418                 { "DataInVld", 38, 1 },
 419                 { "PadIn", 37, 1 },
 420                 { "RxBufEmpty", 36, 1 },
 421                 { "RxDdp", 35, 1 },
 422                 { "RxFbCongestion", 34, 1 },
 423                 { "TxFbCongestion", 33, 1 },
 424                 { "TxPktSumSrdy", 32, 1 },
 425                 { "RcfUlpType", 28, 4 },
 426                 { "Eread", 27, 1 },
 427                 { "Ebypass", 26, 1 },
 428                 { "Esave", 25, 1 },
 429                 { "Static0", 24, 1 },
 430                 { "Cread", 23, 1 },
 431                 { "Cbypass", 22, 1 },
 432                 { "Csave", 21, 1 },
 433                 { "CPktOut", 20, 1 },
 434                 { "RxPagePoolFull", 18, 2 },
 435                 { "RxLpbkPkt", 17, 1 },
 436                 { "TxLpbkPkt", 16, 1 },
 437                 { "RxVfValid", 15, 1 },
 438                 { "SynLearned", 14, 1 },
 439                 { "SetDelEntry", 13, 1 },
 440                 { "SetInvEntry", 12, 1 },
 441                 { "CpcmdDvld", 11, 1 },
 442                 { "CpcmdSave", 10, 1 },
 443                 { "RxPstructsFull", 8, 2 },
 444                 { "EpcmdDvld", 7, 1 },
 445                 { "EpcmdFlush", 6, 1 },
 446                 { "EpcmdTrimPrefix", 5, 1 },
 447                 { "EpcmdTrimPostfix", 4, 1 },
 448                 { "ERssIp4Pkt", 3, 1 },
 449                 { "ERssIp6Pkt", 2, 1 },
 450                 { "ERssTcpUdpPkt", 1, 1 },
 451                 { "ERssFceFipPkt", 0, 1 },
 452                 { NULL }
 453         };
 454         static struct field_desc tp_la2[] = {
 455                 { "CplCmdIn", 56, 8 },
 456                 { "MpsVfVld", 55, 1 },
 457                 { "MpsPf", 52, 3 },
 458                 { "MpsVf", 44, 8 },
 459                 { "SynIn", 43, 1 },
 460                 { "AckIn", 42, 1 },
 461                 { "FinIn", 41, 1 },
 462                 { "RstIn", 40, 1 },
 463                 { "DataIn", 39, 1 },
 464                 { "DataInVld", 38, 1 },
 465                 { "PadIn", 37, 1 },
 466                 { "RxBufEmpty", 36, 1 },
 467                 { "RxDdp", 35, 1 },
 468                 { "RxFbCongestion", 34, 1 },
 469                 { "TxFbCongestion", 33, 1 },
 470                 { "TxPktSumSrdy", 32, 1 },
 471                 { "RcfUlpType", 28, 4 },
 472                 { "Eread", 27, 1 },
 473                 { "Ebypass", 26, 1 },
 474                 { "Esave", 25, 1 },
 475                 { "Static0", 24, 1 },
 476                 { "Cread", 23, 1 },
 477                 { "Cbypass", 22, 1 },
 478                 { "Csave", 21, 1 },
 479                 { "CPktOut", 20, 1 },
 480                 { "RxPagePoolFull", 18, 2 },
 481                 { "RxLpbkPkt", 17, 1 },
 482                 { "TxLpbkPkt", 16, 1 },
 483                 { "RxVfValid", 15, 1 },
 484                 { "SynLearned", 14, 1 },
 485                 { "SetDelEntry", 13, 1 },
 486                 { "SetInvEntry", 12, 1 },
 487                 { "CpcmdDvld", 11, 1 },
 488                 { "CpcmdSave", 10, 1 },
 489                 { "RxPstructsFull", 8, 2 },
 490                 { "EpcmdDvld", 7, 1 },
 491                 { "EpcmdFlush", 6, 1 },
 492                 { "EpcmdTrimPrefix", 5, 1 },
 493                 { "EpcmdTrimPostfix", 4, 1 },
 494                 { "ERssIp4Pkt", 3, 1 },
 495                 { "ERssIp6Pkt", 2, 1 },
 496                 { "ERssTcpUdpPkt", 1, 1 },
 497                 { "ERssFceFipPkt", 0, 1 },
 498                 { NULL }
 499         };
 500         const u64 *p = v;
 501
 502         if (idx)
 503                 seq_putc(seq, '\n');
 504         field_desc_show(seq, p[0], tp_la0);
 505         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 506                 field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
 507         return 0;
 508 }
 509
 510 static int tp_la_open(struct inode *inode, struct file *file)
 511 {
 512         struct seq_tab *p;
 513         struct adapter *adap = inode->i_private;
 514
 515         switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
 516         case 2:
 517                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 518                                  tp_la_show2);
 519                 break;
 520         case 3:
 521                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 522                                  tp_la_show3);
 523                 break;
 524         default:
 525                 p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
 526         }
 527         if (!p)
 528                 return -ENOMEM;
 529
 530         t4_tp_read_la(adap, (u64 *)p->data, NULL);
 531         return 0;
 532 }
 533
 534 static ssize_t tp_la_write(struct file *file, const char __user *buf,
 535                            size_t count, loff_t *pos)
 536 {
 537         int err;
 538         char s[32];
 539         unsigned long val;
 540         size_t size = min(sizeof(s) - 1, count);
 541         struct adapter *adap = FILE_DATA(file)->i_private;
 542
 543         if (copy_from_user(s, buf, size))
 544                 return -EFAULT;
 545         s[size] = '\0';
 546         err = kstrtoul(s, 0, &val);
 547         if (err)
 548                 return err;
 549         if (val > 0xffff)
 550                 return -EINVAL;
 551         adap->params.tp.la_mask = val << 16;
 552         t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
 553                          adap->params.tp.la_mask);
 554         return count;
 555 }
 556
 557 static const struct file_operations tp_la_fops = {
 558         .owner   = THIS_MODULE,
 559         .open    = tp_la_open,
 560         .read    = seq_read,
 561         .llseek  = seq_lseek,
 562         .release = seq_release_private,
 563         .write   = tp_la_write
 564 };
 565
 566 static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
 567 {
 568         const u32 *p = v;
 569
 570         if (v == SEQ_START_TOKEN)
 571                 seq_puts(seq, "      Pcmd        Type   Message"
 572                          "                Data\n");
 573         else
 574                 seq_printf(seq, "%08x%08x  %4x  %08x  %08x%08x%08x%08x\n",
 575                            p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
 576         return 0;
 577 }
 578
 579 static int ulprx_la_open(struct inode *inode, struct file *file)
 580 {
 581         struct seq_tab *p;
 582         struct adapter *adap = inode->i_private;
 583
 584         p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
 585                          ulprx_la_show);
 586         if (!p)
 587                 return -ENOMEM;
 588
 589         t4_ulprx_read_la(adap, (u32 *)p->data);
 590         return 0;
 591 }
 592
 593 static const struct file_operations ulprx_la_fops = {
 594         .owner   = THIS_MODULE,
 595         .open    = ulprx_la_open,
 596         .read    = seq_read,
 597         .llseek  = seq_lseek,
 598         .release = seq_release_private
 599 };
 600
 601 /* Show the PM memory stats.  These stats include:
 602  *
 603  * TX:
 604  *   Read: memory read operation
 605  *   Write Bypass: cut-through
 606  *   Bypass + mem: cut-through and save copy
 607  *
 608  * RX:
 609  *   Read: memory read
 610  *   Write Bypass: cut-through
 611  *   Flush: payload trim or drop
 612  */
 613 static int pm_stats_show(struct seq_file *seq, void *v)
 614 {
 615         static const char * const tx_pm_stats[] = {
 616                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 617         };
 618         static const char * const rx_pm_stats[] = {
 619                 "Read:", "Write bypass:", "Write mem:", "Flush:"
 620         };
 621
 622         int i;
 623         u32 tx_cnt[PM_NSTATS], rx_cnt[PM_NSTATS];
 624         u64 tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
 625         struct adapter *adap = seq->private;
 626
 627         t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
 628         t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
 629
 630         seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
 631         for (i = 0; i < PM_NSTATS - 1; i++)
 632                 seq_printf(seq, "%-13s %10u  %20llu\n",
 633                            tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
 634
 635         seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
 636         for (i = 0; i < PM_NSTATS - 1; i++)
 637                 seq_printf(seq, "%-13s %10u  %20llu\n",
 638                            rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
 639         return 0;
 640 }
 641
 642 static int pm_stats_open(struct inode *inode, struct file *file)
 643 {
 644         return single_open(file, pm_stats_show, inode->i_private);
 645 }
 646
 647 static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
 648                               size_t count, loff_t *pos)
 649 {
 650         struct adapter *adap = FILE_DATA(file)->i_private;
 651
 652         t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
 653         t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
 654         return count;
 655 }
 656
 657 static const struct file_operations pm_stats_debugfs_fops = {
 658         .owner   = THIS_MODULE,
 659         .open    = pm_stats_open,
 660         .read    = seq_read,
 661         .llseek  = seq_lseek,
 662         .release = single_release,
 663         .write   = pm_stats_clear
 664 };
 665
 666 static int cctrl_tbl_show(struct seq_file *seq, void *v)
 667 {
 668         static const char * const dec_fac[] = {
 669                 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
 670                 "0.9375" };
 671
 672         int i;
 673         u16 incr[NMTUS][NCCTRL_WIN];
 674         struct adapter *adap = seq->private;
 675
 676         t4_read_cong_tbl(adap, incr);
 677
 678         for (i = 0; i < NCCTRL_WIN; ++i) {
 679                 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
 680                            incr[0][i], incr[1][i], incr[2][i], incr[3][i],
 681                            incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
 682                 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
 683                            incr[8][i], incr[9][i], incr[10][i], incr[11][i],
 684                            incr[12][i], incr[13][i], incr[14][i], incr[15][i],
 685                            adap->params.a_wnd[i],
 686                            dec_fac[adap->params.b_wnd[i]]);
 687         }
 688         return 0;
 689 }
 690
 691 DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
 692
 693 /* Format a value in a unit that differs from the value's native unit by the
 694  * given factor.
 695  */
 696 static char *unit_conv(char *buf, size_t len, unsigned int val,
 697                        unsigned int factor)
 698 {
 699         unsigned int rem = val % factor;
 700
 701         if (rem == 0) {
 702                 snprintf(buf, len, "%u", val / factor);
 703         } else {
 704                 while (rem % 10 == 0)
 705                         rem /= 10;
 706                 snprintf(buf, len, "%u.%u", val / factor, rem);
 707         }
 708         return buf;
 709 }
 710
 711 static int clk_show(struct seq_file *seq, void *v)
 712 {
 713         char buf[32];
 714         struct adapter *adap = seq->private;
 715         unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
 716         u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
 717         unsigned int tre = TIMERRESOLUTION_G(res);
 718         unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
 719         unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
 720
 721         seq_printf(seq, "Core clock period: %s ns\n",
 722                    unit_conv(buf, sizeof(buf), cclk_ps, 1000));
 723         seq_printf(seq, "TP timer tick: %s us\n",
 724                    unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
 725         seq_printf(seq, "TCP timestamp tick: %s us\n",
 726                    unit_conv(buf, sizeof(buf),
 727                              (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
 728         seq_printf(seq, "DACK tick: %s us\n",
 729                    unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
 730         seq_printf(seq, "DACK timer: %u us\n",
 731                    ((cclk_ps << dack_re) / 1000000) *
 732                    t4_read_reg(adap, TP_DACK_TIMER_A));
 733         seq_printf(seq, "Retransmit min: %llu us\n",
 734                    tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
 735         seq_printf(seq, "Retransmit max: %llu us\n",
 736                    tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
 737         seq_printf(seq, "Persist timer min: %llu us\n",
 738                    tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
 739         seq_printf(seq, "Persist timer max: %llu us\n",
 740                    tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
 741         seq_printf(seq, "Keepalive idle timer: %llu us\n",
 742                    tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
 743         seq_printf(seq, "Keepalive interval: %llu us\n",
 744                    tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
 745         seq_printf(seq, "Initial SRTT: %llu us\n",
 746                    tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
 747         seq_printf(seq, "FINWAIT2 timer: %llu us\n",
 748                    tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
 749
 750         return 0;
 751 }
 752
 753 DEFINE_SIMPLE_DEBUGFS_FILE(clk);
 754
 755 /* Firmware Device Log dump. */
 756 static const char * const devlog_level_strings[] = {
 757         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
 758         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
 759         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
 760         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
 761         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
 762         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
 763 };
 764
 765 static const char * const devlog_facility_strings[] = {
 766         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
 767         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
 768         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
 769         [FW_DEVLOG_FACILITY_RES]        = "RES",
 770         [FW_DEVLOG_FACILITY_HW]         = "HW",
 771         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
 772         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
 773         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
 774         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
 775         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
 776         [FW_DEVLOG_FACILITY_VI]         = "VI",
 777         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
 778         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
 779         [FW_DEVLOG_FACILITY_TM]         = "TM",
 780         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
 781         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
 782         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
 783         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
 784         [FW_DEVLOG_FACILITY_RI]         = "RI",
 785         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
 786         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
 787         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
 788         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
 789 };
 790
 791 /* Information gathered by Device Log Open routine for the display routine.
 792  */
 793 struct devlog_info {
 794         unsigned int nentries;          /* number of entries in log[] */
 795         unsigned int first;             /* first [temporal] entry in log[] */
 796         struct fw_devlog_e log[0];      /* Firmware Device Log */
 797 };
 798
 799 /* Dump a Firmaware Device Log entry.
 800  */
 801 static int devlog_show(struct seq_file *seq, void *v)
 802 {
 803         if (v == SEQ_START_TOKEN)
 804                 seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
 805                            "Seq#", "Tstamp", "Level", "Facility", "Message");
 806         else {
 807                 struct devlog_info *dinfo = seq->private;
 808                 int fidx = (uintptr_t)v - 2;
 809                 unsigned long index;
 810                 struct fw_devlog_e *e;
 811
 812                 /* Get a pointer to the log entry to display.  Skip unused log
 813                  * entries.
 814                  */
 815                 index = dinfo->first + fidx;
 816                 if (index >= dinfo->nentries)
 817                         index -= dinfo->nentries;
 818                 e = &dinfo->log[index];
 819                 if (e->timestamp == 0)
 820                         return 0;
 821
 822                 /* Print the message.  This depends on the firmware using
 823                  * exactly the same formating strings as the kernel so we may
 824                  * eventually have to put a format interpreter in here ...
 825                  */
 826                 seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
 827                            e->seqno, e->timestamp,
 828                            (e->level < ARRAY_SIZE(devlog_level_strings)
 829                             ? devlog_level_strings[e->level]
 830                             : "UNKNOWN"),
 831                            (e->facility < ARRAY_SIZE(devlog_facility_strings)
 832                             ? devlog_facility_strings[e->facility]
 833                             : "UNKNOWN"));
 834                 seq_printf(seq, e->fmt, e->params[0], e->params[1],
 835                            e->params[2], e->params[3], e->params[4],
 836                            e->params[5], e->params[6], e->params[7]);
 837         }
 838         return 0;
 839 }
 840
 841 /* Sequential File Operations for Device Log.
 842  */
 843 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
 844 {
 845         if (pos > dinfo->nentries)
 846                 return NULL;
 847
 848         return (void *)(uintptr_t)(pos + 1);
 849 }
 850
 851 static void *devlog_start(struct seq_file *seq, loff_t *pos)
 852 {
 853         struct devlog_info *dinfo = seq->private;
 854
 855         return (*pos
 856                 ? devlog_get_idx(dinfo, *pos)
 857                 : SEQ_START_TOKEN);
 858 }
 859
 860 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
 861 {
 862         struct devlog_info *dinfo = seq->private;
 863
 864         (*pos)++;
 865         return devlog_get_idx(dinfo, *pos);
 866 }
 867
 868 static void devlog_stop(struct seq_file *seq, void *v)
 869 {
 870 }
 871
 872 static const struct seq_operations devlog_seq_ops = {
 873         .start = devlog_start,
 874         .next  = devlog_next,
 875         .stop  = devlog_stop,
 876         .show  = devlog_show
 877 };
 878
 879 /* Set up for reading the firmware's device log.  We read the entire log here
 880  * and then display it incrementally in devlog_show().
 881  */
 882 static int devlog_open(struct inode *inode, struct file *file)
 883 {
 884         struct adapter *adap = inode->i_private;
 885         struct devlog_params *dparams = &adap->params.devlog;
 886         struct devlog_info *dinfo;
 887         unsigned int index;
 888         u32 fseqno;
 889         int ret;
 890
 891         /* If we don't know where the log is we can't do anything.
 892          */
 893         if (dparams->start == 0)
 894                 return -ENXIO;
 895
 896         /* Allocate the space to read in the firmware's device log and set up
 897          * for the iterated call to our display function.
 898          */
 899         dinfo = __seq_open_private(file, &devlog_seq_ops,
 900                                    sizeof(*dinfo) + dparams->size);
 901         if (!dinfo)
 902                 return -ENOMEM;
 903
 904         /* Record the basic log buffer information and read in the raw log.
 905          */
 906         dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
 907         dinfo->first = 0;
 908         spin_lock(&adap->win0_lock);
 909         ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
 910                            dparams->start, dparams->size, (__be32 *)dinfo->log,
 911                            T4_MEMORY_READ);
 912         spin_unlock(&adap->win0_lock);
 913         if (ret) {
 914                 seq_release_private(inode, file);
 915                 return ret;
 916         }
 917
 918         /* Translate log multi-byte integral elements into host native format
 919          * and determine where the first entry in the log is.
 920          */
 921         for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
 922                 struct fw_devlog_e *e = &dinfo->log[index];
 923                 int i;
 924                 __u32 seqno;
 925
 926                 if (e->timestamp == 0)
 927                         continue;
 928
 929                 e->timestamp = (__force __be64)be64_to_cpu(e->timestamp);
 930                 seqno = be32_to_cpu(e->seqno);
 931                 for (i = 0; i < 8; i++)
 932                         e->params[i] =
 933                                 (__force __be32)be32_to_cpu(e->params[i]);
 934
 935                 if (seqno < fseqno) {
 936                         fseqno = seqno;
 937                         dinfo->first = index;
 938                 }
 939         }
 940         return 0;
 941 }
 942
 943 static const struct file_operations devlog_fops = {
 944         .owner   = THIS_MODULE,
 945         .open    = devlog_open,
 946         .read    = seq_read,
 947         .llseek  = seq_lseek,
 948         .release = seq_release_private
 949 };
 950
 951 static int mbox_show(struct seq_file *seq, void *v)
 952 {
 953         static const char * const owner[] = { "none", "FW", "driver",
 954                                               "unknown" };
 955
 956         int i;
 957         unsigned int mbox = (uintptr_t)seq->private & 7;
 958         struct adapter *adap = seq->private - mbox;
 959         void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
 960         unsigned int ctrl_reg = (is_t4(adap->params.chip)
 961                                  ? CIM_PF_MAILBOX_CTRL_A
 962                                  : CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A);
 963         void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
 964
 965         i = MBOWNER_G(readl(ctrl));
 966         seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
 967
 968         for (i = 0; i < MBOX_LEN; i += 8)
 969                 seq_printf(seq, "%016llx\n",
 970                            (unsigned long long)readq(addr + i));
 971         return 0;
 972 }
 973
 974 static int mbox_open(struct inode *inode, struct file *file)
 975 {
 976         return single_open(file, mbox_show, inode->i_private);
 977 }
 978
 979 static ssize_t mbox_write(struct file *file, const char __user *buf,
 980                           size_t count, loff_t *pos)
 981 {
 982         int i;
 983         char c = '\n', s[256];
 984         unsigned long long data[8];
 985         const struct inode *ino;
 986         unsigned int mbox;
 987         struct adapter *adap;
 988         void __iomem *addr;
 989         void __iomem *ctrl;
 990
 991         if (count > sizeof(s) - 1 || !count)
 992                 return -EINVAL;
 993         if (copy_from_user(s, buf, count))
 994                 return -EFAULT;
 995         s[count] = '\0';
 996
 997         if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
 998                    &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
 999                    &data[7], &c) < 8 || c != '\n')
1000                 return -EINVAL;
1001
1002         ino = FILE_DATA(file);
1003         mbox = (uintptr_t)ino->i_private & 7;
1004         adap = ino->i_private - mbox;
1005         addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1006         ctrl = addr + MBOX_LEN;
1007
1008         if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1009                 return -EBUSY;
1010
1011         for (i = 0; i < 8; i++)
1012                 writeq(data[i], addr + 8 * i);
1013
1014         writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1015         return count;
1016 }
1017
1018 static const struct file_operations mbox_debugfs_fops = {
1019         .owner   = THIS_MODULE,
1020         .open    = mbox_open,
1021         .read    = seq_read,
1022         .llseek  = seq_lseek,
1023         .release = single_release,
1024         .write   = mbox_write
1025 };
1026
1027 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1028                           loff_t *ppos)
1029 {
1030         loff_t pos = *ppos;
1031         loff_t avail = FILE_DATA(file)->i_size;
1032         struct adapter *adap = file->private_data;
1033
1034         if (pos < 0)
1035                 return -EINVAL;
1036         if (pos >= avail)
1037                 return 0;
1038         if (count > avail - pos)
1039                 count = avail - pos;
1040
1041         while (count) {
1042                 size_t len;
1043                 int ret, ofst;
1044                 u8 data[256];
1045
1046                 ofst = pos & 3;
1047                 len = min(count + ofst, sizeof(data));
1048                 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1049                                     (u32 *)data, 1);
1050                 if (ret)
1051                         return ret;
1052
1053                 len -= ofst;
1054                 if (copy_to_user(buf, data + ofst, len))
1055                         return -EFAULT;
1056
1057                 buf += len;
1058                 pos += len;
1059                 count -= len;
1060         }
1061         count = pos - *ppos;
1062         *ppos = pos;
1063         return count;
1064 }
1065
1066 static const struct file_operations flash_debugfs_fops = {
1067         .owner   = THIS_MODULE,
1068         .open    = mem_open,
1069         .read    = flash_read,
1070 };
1071
1072 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1073 {
1074         *mask = x | y;
1075         y = (__force u64)cpu_to_be64(y);
1076         memcpy(addr, (char *)&y + 2, ETH_ALEN);
1077 }
1078
1079 static int mps_tcam_show(struct seq_file *seq, void *v)
1080 {
1081         if (v == SEQ_START_TOKEN)
1082                 seq_puts(seq, "Idx  Ethernet address     Mask     Vld Ports PF"
1083                          "  VF              Replication             "
1084                          "P0 P1 P2 P3  ML\n");
1085         else {
1086                 u64 mask;
1087                 u8 addr[ETH_ALEN];
1088                 struct adapter *adap = seq->private;
1089                 unsigned int idx = (uintptr_t)v - 2;
1090                 u64 tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1091                 u64 tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1092                 u32 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1093                 u32 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1094                 u32 rplc[4] = {0, 0, 0, 0};
1095
1096                 if (tcamx & tcamy) {
1097                         seq_printf(seq, "%3u         -\n", idx);
1098                         goto out;
1099                 }
1100
1101                 if (cls_lo & REPLICATE_F) {
1102                         struct fw_ldst_cmd ldst_cmd;
1103                         int ret;
1104
1105                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1106                         ldst_cmd.op_to_addrspace =
1107                                 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1108                                       FW_CMD_REQUEST_F |
1109                                       FW_CMD_READ_F |
1110                                       FW_LDST_CMD_ADDRSPACE_V(
1111                                               FW_LDST_ADDRSPC_MPS));
1112                         ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1113                         ldst_cmd.u.mps.fid_ctl =
1114                                 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1115                                       FW_LDST_CMD_CTL_V(idx));
1116                         ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1117                                          sizeof(ldst_cmd), &ldst_cmd);
1118                         if (ret)
1119                                 dev_warn(adap->pdev_dev, "Can't read MPS "
1120                                          "replication map for idx %d: %d\n",
1121                                          idx, -ret);
1122                         else {
1123                                 rplc[0] = ntohl(ldst_cmd.u.mps.rplc31_0);
1124                                 rplc[1] = ntohl(ldst_cmd.u.mps.rplc63_32);
1125                                 rplc[2] = ntohl(ldst_cmd.u.mps.rplc95_64);
1126                                 rplc[3] = ntohl(ldst_cmd.u.mps.rplc127_96);
1127                         }
1128                 }
1129
1130                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1131                 seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x %012llx"
1132                            "%3c   %#x%4u%4d",
1133                            idx, addr[0], addr[1], addr[2], addr[3], addr[4],
1134                            addr[5], (unsigned long long)mask,
1135                            (cls_lo & SRAM_VLD_F) ? 'Y' : 'N', PORTMAP_G(cls_hi),
1136                            PF_G(cls_lo),
1137                            (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1138                 if (cls_lo & REPLICATE_F)
1139                         seq_printf(seq, " %08x %08x %08x %08x",
1140                                    rplc[3], rplc[2], rplc[1], rplc[0]);
1141                 else
1142                         seq_printf(seq, "%36c", ' ');
1143                 seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1144                            SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1145                            SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1146                            (cls_lo >> MULTILISTEN0_S) & 0xf);
1147         }
1148 out:    return 0;
1149 }
1150
1151 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1152 {
1153         struct adapter *adap = seq->private;
1154         int max_mac_addr = is_t4(adap->params.chip) ?
1155                                 NUM_MPS_CLS_SRAM_L_INSTANCES :
1156                                 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1157         return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1158 }
1159
1160 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1161 {
1162         return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1163 }
1164
1165 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1166 {
1167         ++*pos;
1168         return mps_tcam_get_idx(seq, *pos);
1169 }
1170
1171 static void mps_tcam_stop(struct seq_file *seq, void *v)
1172 {
1173 }
1174
1175 static const struct seq_operations mps_tcam_seq_ops = {
1176         .start = mps_tcam_start,
1177         .next  = mps_tcam_next,
1178         .stop  = mps_tcam_stop,
1179         .show  = mps_tcam_show
1180 };
1181
1182 static int mps_tcam_open(struct inode *inode, struct file *file)
1183 {
1184         int res = seq_open(file, &mps_tcam_seq_ops);
1185
1186         if (!res) {
1187                 struct seq_file *seq = file->private_data;
1188
1189                 seq->private = inode->i_private;
1190         }
1191         return res;
1192 }
1193
1194 static const struct file_operations mps_tcam_debugfs_fops = {
1195         .owner   = THIS_MODULE,
1196         .open    = mps_tcam_open,
1197         .read    = seq_read,
1198         .llseek  = seq_lseek,
1199         .release = seq_release,
1200 };
1201
1202 /* Display various sensor information.
1203  */
1204 static int sensors_show(struct seq_file *seq, void *v)
1205 {
1206         struct adapter *adap = seq->private;
1207         u32 param[7], val[7];
1208         int ret;
1209
1210         /* Note that if the sensors haven't been initialized and turned on
1211          * we'll get values of 0, so treat those as "<unknown>" ...
1212          */
1213         param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1214                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1215                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1216         param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1217                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1218                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1219         ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
1220                               param, val);
1221
1222         if (ret < 0 || val[0] == 0)
1223                 seq_puts(seq, "Temperature: <unknown>\n");
1224         else
1225                 seq_printf(seq, "Temperature: %dC\n", val[0]);
1226
1227         if (ret < 0 || val[1] == 0)
1228                 seq_puts(seq, "Core VDD:    <unknown>\n");
1229         else
1230                 seq_printf(seq, "Core VDD:    %dmV\n", val[1]);
1231
1232         return 0;
1233 }
1234
1235 DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1236
1237 #if IS_ENABLED(CONFIG_IPV6)
1238 static int clip_tbl_open(struct inode *inode, struct file *file)
1239 {
1240         return single_open(file, clip_tbl_show, inode->i_private);
1241 }
1242
1243 static const struct file_operations clip_tbl_debugfs_fops = {
1244         .owner   = THIS_MODULE,
1245         .open    = clip_tbl_open,
1246         .read    = seq_read,
1247         .llseek  = seq_lseek,
1248         .release = single_release
1249 };
1250 #endif
1251
1252 /*RSS Table.
1253  */
1254
1255 static int rss_show(struct seq_file *seq, void *v, int idx)
1256 {
1257         u16 *entry = v;
1258
1259         seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
1260                    idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1261                    entry[5], entry[6], entry[7]);
1262         return 0;
1263 }
1264
1265 static int rss_open(struct inode *inode, struct file *file)
1266 {
1267         int ret;
1268         struct seq_tab *p;
1269         struct adapter *adap = inode->i_private;
1270
1271         p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
1272         if (!p)
1273                 return -ENOMEM;
1274
1275         ret = t4_read_rss(adap, (u16 *)p->data);
1276         if (ret)
1277                 seq_release_private(inode, file);
1278
1279         return ret;
1280 }
1281
1282 static const struct file_operations rss_debugfs_fops = {
1283         .owner   = THIS_MODULE,
1284         .open    = rss_open,
1285         .read    = seq_read,
1286         .llseek  = seq_lseek,
1287         .release = seq_release_private
1288 };
1289
1290 /* RSS Configuration.
1291  */
1292
1293 /* Small utility function to return the strings "yes" or "no" if the supplied
1294  * argument is non-zero.
1295  */
1296 static const char *yesno(int x)
1297 {
1298         static const char *yes = "yes";
1299         static const char *no = "no";
1300
1301         return x ? yes : no;
1302 }
1303
1304 static int rss_config_show(struct seq_file *seq, void *v)
1305 {
1306         struct adapter *adapter = seq->private;
1307         static const char * const keymode[] = {
1308                 "global",
1309                 "global and per-VF scramble",
1310                 "per-PF and per-VF scramble",
1311                 "per-VF and per-VF scramble",
1312         };
1313         u32 rssconf;
1314
1315         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
1316         seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
1317         seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
1318                                                         TNL4TUPENIPV6_F));
1319         seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
1320                                                         TNL2TUPENIPV6_F));
1321         seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
1322                                                         TNL4TUPENIPV4_F));
1323         seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
1324                                                         TNL2TUPENIPV4_F));
1325         seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
1326         seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
1327         seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
1328         seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
1329         seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
1330                                                         OFDHASHSAVE_F));
1331         seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
1332         seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
1333         seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
1334         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1335                                                         SYN4TUPENIPV6_F));
1336         seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
1337                                                         SYN2TUPENIPV6_F));
1338         seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
1339                                                         SYN4TUPENIPV4_F));
1340         seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
1341                                                         SYN2TUPENIPV4_F));
1342         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1343                                                         SYN4TUPENIPV6_F));
1344         seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
1345         seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
1346         seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
1347         seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
1348         seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
1349                                                         CHANNELENABLE_F));
1350         seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
1351                                                         PORTENABLE_F));
1352         seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
1353                                                         TNLALLLOOKUP_F));
1354         seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
1355                                                         VIRTENABLE_F));
1356         seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
1357                                                         CONGESTIONENABLE_F));
1358         seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
1359                                                         HASHTOEPLITZ_F));
1360         seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
1361         seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
1362
1363         seq_puts(seq, "\n");
1364
1365         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
1366         seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
1367         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1368         seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
1369         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1370                 seq_printf(seq, "  HashAll:     %3s\n",
1371                            yesno(rssconf & HASHALL_F));
1372                 seq_printf(seq, "  HashEth:     %3s\n",
1373                            yesno(rssconf & HASHETH_F));
1374         }
1375         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
1376
1377         seq_puts(seq, "\n");
1378
1379         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
1380         seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
1381         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1382         seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
1383                                                         RRCPLMAPEN_F));
1384         seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
1385
1386         seq_puts(seq, "\n");
1387
1388         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
1389         seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
1390         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1391         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
1392
1393         seq_puts(seq, "\n");
1394
1395         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
1396         seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
1397         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1398                 seq_printf(seq, "  KeyWrAddrX:     %3d\n",
1399                            KEYWRADDRX_G(rssconf));
1400                 seq_printf(seq, "  KeyExtend:      %3s\n",
1401                            yesno(rssconf & KEYEXTEND_F));
1402         }
1403         seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
1404         seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
1405         seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
1406         seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
1407         seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
1408                                                         DISABLEVLAN_F));
1409         seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
1410         seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
1411         if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
1412                 seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
1413         seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
1414         seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
1415         seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
1416         seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
1417
1418         seq_puts(seq, "\n");
1419
1420         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
1421         seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
1422         seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
1423         seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
1424         seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
1425         seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
1426         seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
1427                                                         CHNUNDFLOW3_F));
1428         seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
1429                                                         CHNUNDFLOW2_F));
1430         seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
1431                                                         CHNUNDFLOW1_F));
1432         seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
1433                                                         CHNUNDFLOW0_F));
1434         seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
1435         seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
1436         seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
1437         seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
1438         seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
1439         seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
1440         seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
1441         seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
1442         seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
1443         seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
1444         seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
1445
1446         return 0;
1447 }
1448
1449 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
1450
1451 /* RSS Secret Key.
1452  */
1453
1454 static int rss_key_show(struct seq_file *seq, void *v)
1455 {
1456         u32 key[10];
1457
1458         t4_read_rss_key(seq->private, key);
1459         seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
1460                    key[9], key[8], key[7], key[6], key[5], key[4], key[3],
1461                    key[2], key[1], key[0]);
1462         return 0;
1463 }
1464
1465 static int rss_key_open(struct inode *inode, struct file *file)
1466 {
1467         return single_open(file, rss_key_show, inode->i_private);
1468 }
1469
1470 static ssize_t rss_key_write(struct file *file, const char __user *buf,
1471                              size_t count, loff_t *pos)
1472 {
1473         int i, j;
1474         u32 key[10];
1475         char s[100], *p;
1476         struct adapter *adap = FILE_DATA(file)->i_private;
1477
1478         if (count > sizeof(s) - 1)
1479                 return -EINVAL;
1480         if (copy_from_user(s, buf, count))
1481                 return -EFAULT;
1482         for (i = count; i > 0 && isspace(s[i - 1]); i--)
1483                 ;
1484         s[i] = '\0';
1485
1486         for (p = s, i = 9; i >= 0; i--) {
1487                 key[i] = 0;
1488                 for (j = 0; j < 8; j++, p++) {
1489                         if (!isxdigit(*p))
1490                                 return -EINVAL;
1491                         key[i] = (key[i] << 4) | hex2val(*p);
1492                 }
1493         }
1494
1495         t4_write_rss_key(adap, key, -1);
1496         return count;
1497 }
1498
1499 static const struct file_operations rss_key_debugfs_fops = {
1500         .owner   = THIS_MODULE,
1501         .open    = rss_key_open,
1502         .read    = seq_read,
1503         .llseek  = seq_lseek,
1504         .release = single_release,
1505         .write   = rss_key_write
1506 };
1507
1508 /* PF RSS Configuration.
1509  */
1510
1511 struct rss_pf_conf {
1512         u32 rss_pf_map;
1513         u32 rss_pf_mask;
1514         u32 rss_pf_config;
1515 };
1516
1517 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
1518 {
1519         struct rss_pf_conf *pfconf;
1520
1521         if (v == SEQ_START_TOKEN) {
1522                 /* use the 0th entry to dump the PF Map Index Size */
1523                 pfconf = seq->private + offsetof(struct seq_tab, data);
1524                 seq_printf(seq, "PF Map Index Size = %d\n\n",
1525                            LKPIDXSIZE_G(pfconf->rss_pf_map));
1526
1527                 seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
1528                 seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
1529                 seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
1530         } else {
1531                 #define G_PFnLKPIDX(map, n) \
1532                         (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1533                 #define G_PFnMSKSIZE(mask, n) \
1534                         (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1535
1536                 pfconf = v;
1537                 seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
1538                            idx,
1539                            yesno(pfconf->rss_pf_config & MAPENABLE_F),
1540                            yesno(pfconf->rss_pf_config & CHNENABLE_F),
1541                            yesno(pfconf->rss_pf_config & PRTENABLE_F),
1542                            G_PFnLKPIDX(pfconf->rss_pf_map, idx),
1543                            G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
1544                            IVFWIDTH_G(pfconf->rss_pf_config),
1545                            yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
1546                            yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
1547                            yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
1548                            yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
1549                            yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
1550                            CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
1551                            CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
1552
1553                 #undef G_PFnLKPIDX
1554                 #undef G_PFnMSKSIZE
1555         }
1556         return 0;
1557 }
1558
1559 static int rss_pf_config_open(struct inode *inode, struct file *file)
1560 {
1561         struct adapter *adapter = inode->i_private;
1562         struct seq_tab *p;
1563         u32 rss_pf_map, rss_pf_mask;
1564         struct rss_pf_conf *pfconf;
1565         int pf;
1566
1567         p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
1568         if (!p)
1569                 return -ENOMEM;
1570
1571         pfconf = (struct rss_pf_conf *)p->data;
1572         rss_pf_map = t4_read_rss_pf_map(adapter);
1573         rss_pf_mask = t4_read_rss_pf_mask(adapter);
1574         for (pf = 0; pf < 8; pf++) {
1575                 pfconf[pf].rss_pf_map = rss_pf_map;
1576                 pfconf[pf].rss_pf_mask = rss_pf_mask;
1577                 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
1578         }
1579         return 0;
1580 }
1581
1582 static const struct file_operations rss_pf_config_debugfs_fops = {
1583         .owner   = THIS_MODULE,
1584         .open    = rss_pf_config_open,
1585         .read    = seq_read,
1586         .llseek  = seq_lseek,
1587         .release = seq_release_private
1588 };
1589
1590 /* VF RSS Configuration.
1591  */
1592
1593 struct rss_vf_conf {
1594         u32 rss_vf_vfl;
1595         u32 rss_vf_vfh;
1596 };
1597
1598 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
1599 {
1600         if (v == SEQ_START_TOKEN) {
1601                 seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
1602                 seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
1603                 seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
1604         } else {
1605                 struct rss_vf_conf *vfconf = v;
1606
1607                 seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
1608                            idx,
1609                            yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
1610                            yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
1611                            VFLKPIDX_G(vfconf->rss_vf_vfh),
1612                            yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
1613                            yesno(vfconf->rss_vf_vfh & VFUPEN_F),
1614                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1615                            yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
1616                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1617                            yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
1618                            yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
1619                            DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
1620                            KEYINDEX_G(vfconf->rss_vf_vfh),
1621                            vfconf->rss_vf_vfl);
1622         }
1623         return 0;
1624 }
1625
1626 static int rss_vf_config_open(struct inode *inode, struct file *file)
1627 {
1628         struct adapter *adapter = inode->i_private;
1629         struct seq_tab *p;
1630         struct rss_vf_conf *vfconf;
1631         int vf;
1632
1633         p = seq_open_tab(file, 128, sizeof(*vfconf), 1, rss_vf_config_show);
1634         if (!p)
1635                 return -ENOMEM;
1636
1637         vfconf = (struct rss_vf_conf *)p->data;
1638         for (vf = 0; vf < 128; vf++) {
1639                 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
1640                                       &vfconf[vf].rss_vf_vfh);
1641         }
1642         return 0;
1643 }
1644
1645 static const struct file_operations rss_vf_config_debugfs_fops = {
1646         .owner   = THIS_MODULE,
1647         .open    = rss_vf_config_open,
1648         .read    = seq_read,
1649         .llseek  = seq_lseek,
1650         .release = seq_release_private
1651 };
1652
1653 /**
1654  * ethqset2pinfo - return port_info of an Ethernet Queue Set
1655  * @adap: the adapter
1656  * @qset: Ethernet Queue Set
1657  */
1658 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
1659 {
1660         int pidx;
1661
1662         for_each_port(adap, pidx) {
1663                 struct port_info *pi = adap2pinfo(adap, pidx);
1664
1665                 if (qset >= pi->first_qset &&
1666                     qset < pi->first_qset + pi->nqsets)
1667                         return pi;
1668         }
1669
1670         /* should never happen! */
1671         BUG_ON(1);
1672         return NULL;
1673 }
1674
1675 static int sge_qinfo_show(struct seq_file *seq, void *v)
1676 {
1677         struct adapter *adap = seq->private;
1678         int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
1679         int toe_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
1680         int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
1681         int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
1682         int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
1683         int i, r = (uintptr_t)v - 1;
1684         int toe_idx = r - eth_entries;
1685         int rdma_idx = toe_idx - toe_entries;
1686         int ciq_idx = rdma_idx - rdma_entries;
1687         int ctrl_idx =  ciq_idx - ciq_entries;
1688         int fq_idx =  ctrl_idx - ctrl_entries;
1689
1690         if (r)
1691                 seq_putc(seq, '\n');
1692
1693 #define S3(fmt_spec, s, v) \
1694 do { \
1695         seq_printf(seq, "%-12s", s); \
1696         for (i = 0; i < n; ++i) \
1697                 seq_printf(seq, " %16" fmt_spec, v); \
1698                 seq_putc(seq, '\n'); \
1699 } while (0)
1700 #define S(s, v) S3("s", s, v)
1701 #define T(s, v) S3("u", s, tx[i].v)
1702 #define R(s, v) S3("u", s, rx[i].v)
1703
1704         if (r < eth_entries) {
1705                 int base_qset = r * 4;
1706                 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
1707                 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
1708                 int n = min(4, adap->sge.ethqsets - 4 * r);
1709
1710                 S("QType:", "Ethernet");
1711                 S("Interface:",
1712                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1713                 T("TxQ ID:", q.cntxt_id);
1714                 T("TxQ size:", q.size);
1715                 T("TxQ inuse:", q.in_use);
1716                 T("TxQ CIDX:", q.cidx);
1717                 T("TxQ PIDX:", q.pidx);
1718 #ifdef CONFIG_CHELSIO_T4_DCB
1719                 T("DCB Prio:", dcb_prio);
1720                 S3("u", "DCB PGID:",
1721                    (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
1722                     4*(7-tx[i].dcb_prio)) & 0xf);
1723                 S3("u", "DCB PFC:",
1724                    (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
1725                     1*(7-tx[i].dcb_prio)) & 0x1);
1726 #endif
1727                 R("RspQ ID:", rspq.abs_id);
1728                 R("RspQ size:", rspq.size);
1729                 R("RspQE size:", rspq.iqe_len);
1730                 R("RspQ CIDX:", rspq.cidx);
1731                 R("RspQ Gen:", rspq.gen);
1732                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1733                 S3("u", "Intr pktcnt:",
1734                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1735                 R("FL ID:", fl.cntxt_id);
1736                 R("FL size:", fl.size - 8);
1737                 R("FL pend:", fl.pend_cred);
1738                 R("FL avail:", fl.avail);
1739                 R("FL PIDX:", fl.pidx);
1740                 R("FL CIDX:", fl.cidx);
1741         } else if (toe_idx < toe_entries) {
1742                 const struct sge_ofld_rxq *rx = &adap->sge.ofldrxq[toe_idx * 4];
1743                 const struct sge_ofld_txq *tx = &adap->sge.ofldtxq[toe_idx * 4];
1744                 int n = min(4, adap->sge.ofldqsets - 4 * toe_idx);
1745
1746                 S("QType:", "TOE");
1747                 T("TxQ ID:", q.cntxt_id);
1748                 T("TxQ size:", q.size);
1749                 T("TxQ inuse:", q.in_use);
1750                 T("TxQ CIDX:", q.cidx);
1751                 T("TxQ PIDX:", q.pidx);
1752                 R("RspQ ID:", rspq.abs_id);
1753                 R("RspQ size:", rspq.size);
1754                 R("RspQE size:", rspq.iqe_len);
1755                 R("RspQ CIDX:", rspq.cidx);
1756                 R("RspQ Gen:", rspq.gen);
1757                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1758                 S3("u", "Intr pktcnt:",
1759                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1760                 R("FL ID:", fl.cntxt_id);
1761                 R("FL size:", fl.size - 8);
1762                 R("FL pend:", fl.pend_cred);
1763                 R("FL avail:", fl.avail);
1764                 R("FL PIDX:", fl.pidx);
1765                 R("FL CIDX:", fl.cidx);
1766         } else if (rdma_idx < rdma_entries) {
1767                 const struct sge_ofld_rxq *rx =
1768                                 &adap->sge.rdmarxq[rdma_idx * 4];
1769                 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
1770
1771                 S("QType:", "RDMA-CPL");
1772                 R("RspQ ID:", rspq.abs_id);
1773                 R("RspQ size:", rspq.size);
1774                 R("RspQE size:", rspq.iqe_len);
1775                 R("RspQ CIDX:", rspq.cidx);
1776                 R("RspQ Gen:", rspq.gen);
1777                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1778                 S3("u", "Intr pktcnt:",
1779                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1780                 R("FL ID:", fl.cntxt_id);
1781                 R("FL size:", fl.size - 8);
1782                 R("FL pend:", fl.pend_cred);
1783                 R("FL avail:", fl.avail);
1784                 R("FL PIDX:", fl.pidx);
1785                 R("FL CIDX:", fl.cidx);
1786         } else if (ciq_idx < ciq_entries) {
1787                 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
1788                 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
1789
1790                 S("QType:", "RDMA-CIQ");
1791                 R("RspQ ID:", rspq.abs_id);
1792                 R("RspQ size:", rspq.size);
1793                 R("RspQE size:", rspq.iqe_len);
1794                 R("RspQ CIDX:", rspq.cidx);
1795                 R("RspQ Gen:", rspq.gen);
1796                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1797                 S3("u", "Intr pktcnt:",
1798                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1799         } else if (ctrl_idx < ctrl_entries) {
1800                 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
1801                 int n = min(4, adap->params.nports - 4 * ctrl_idx);
1802
1803                 S("QType:", "Control");
1804                 T("TxQ ID:", q.cntxt_id);
1805                 T("TxQ size:", q.size);
1806                 T("TxQ inuse:", q.in_use);
1807                 T("TxQ CIDX:", q.cidx);
1808                 T("TxQ PIDX:", q.pidx);
1809         } else if (fq_idx == 0) {
1810                 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
1811
1812                 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
1813                 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
1814                 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
1815                 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
1816                 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
1817                 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
1818                 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
1819                            qtimer_val(adap, evtq));
1820                 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
1821                            adap->sge.counter_val[evtq->pktcnt_idx]);
1822         }
1823 #undef R
1824 #undef T
1825 #undef S
1826 #undef S3
1827 return 0;
1828 }
1829
1830 static int sge_queue_entries(const struct adapter *adap)
1831 {
1832         return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
1833                DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
1834                DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
1835                DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
1836                DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
1837 }
1838
1839 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
1840 {
1841         int entries = sge_queue_entries(seq->private);
1842
1843         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1844 }
1845
1846 static void sge_queue_stop(struct seq_file *seq, void *v)
1847 {
1848 }
1849
1850 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
1851 {
1852         int entries = sge_queue_entries(seq->private);
1853
1854         ++*pos;
1855         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1856 }
1857
1858 static const struct seq_operations sge_qinfo_seq_ops = {
1859         .start = sge_queue_start,
1860         .next  = sge_queue_next,
1861         .stop  = sge_queue_stop,
1862         .show  = sge_qinfo_show
1863 };
1864
1865 static int sge_qinfo_open(struct inode *inode, struct file *file)
1866 {
1867         int res = seq_open(file, &sge_qinfo_seq_ops);
1868
1869         if (!res) {
1870                 struct seq_file *seq = file->private_data;
1871
1872                 seq->private = inode->i_private;
1873         }
1874         return res;
1875 }
1876
1877 static const struct file_operations sge_qinfo_debugfs_fops = {
1878         .owner   = THIS_MODULE,
1879         .open    = sge_qinfo_open,
1880         .read    = seq_read,
1881         .llseek  = seq_lseek,
1882         .release = seq_release,
1883 };
1884
1885 int mem_open(struct inode *inode, struct file *file)
1886 {
1887         unsigned int mem;
1888         struct adapter *adap;
1889
1890         file->private_data = inode->i_private;
1891
1892         mem = (uintptr_t)file->private_data & 0x3;
1893         adap = file->private_data - mem;
1894
1895         (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
1896
1897         return 0;
1898 }
1899
1900 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
1901                         loff_t *ppos)
1902 {
1903         loff_t pos = *ppos;
1904         loff_t avail = file_inode(file)->i_size;
1905         unsigned int mem = (uintptr_t)file->private_data & 3;
1906         struct adapter *adap = file->private_data - mem;
1907         __be32 *data;
1908         int ret;
1909
1910         if (pos < 0)
1911                 return -EINVAL;
1912         if (pos >= avail)
1913                 return 0;
1914         if (count > avail - pos)
1915                 count = avail - pos;
1916
1917         data = t4_alloc_mem(count);
1918         if (!data)
1919                 return -ENOMEM;
1920
1921         spin_lock(&adap->win0_lock);
1922         ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
1923         spin_unlock(&adap->win0_lock);
1924         if (ret) {
1925                 t4_free_mem(data);
1926                 return ret;
1927         }
1928         ret = copy_to_user(buf, data, count);
1929
1930         t4_free_mem(data);
1931         if (ret)
1932                 return -EFAULT;
1933
1934         *ppos = pos + count;
1935         return count;
1936 }
1937 static const struct file_operations mem_debugfs_fops = {
1938         .owner   = THIS_MODULE,
1939         .open    = simple_open,
1940         .read    = mem_read,
1941         .llseek  = default_llseek,
1942 };
1943
1944 static void set_debugfs_file_size(struct dentry *de, loff_t size)
1945 {
1946         if (!IS_ERR(de) && de->d_inode)
1947                 de->d_inode->i_size = size;
1948 }
1949
1950 static void add_debugfs_mem(struct adapter *adap, const char *name,
1951                             unsigned int idx, unsigned int size_mb)
1952 {
1953         debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
1954                                  (void *)adap + idx, &mem_debugfs_fops,
1955                                  size_mb << 20);
1956 }
1957
1958 /* Add an array of Debug FS files.
1959  */
1960 void add_debugfs_files(struct adapter *adap,
1961                        struct t4_debugfs_entry *files,
1962                        unsigned int nfiles)
1963 {
1964         int i;
1965
1966         /* debugfs support is best effort */
1967         for (i = 0; i < nfiles; i++)
1968                 debugfs_create_file(files[i].name, files[i].mode,
1969                                     adap->debugfs_root,
1970                                     (void *)adap + files[i].data,
1971                                     files[i].ops);
1972 }
1973
1974 int t4_setup_debugfs(struct adapter *adap)
1975 {
1976         int i;
1977         u32 size;
1978         struct dentry *de;
1979
1980         static struct t4_debugfs_entry t4_debugfs_files[] = {
1981                 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
1982                 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
1983                 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
1984                 { "devlog", &devlog_fops, S_IRUSR, 0 },
1985                 { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
1986                 { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
1987                 { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
1988                 { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
1989                 { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
1990                 { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
1991                 { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
1992                 { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
1993                 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
1994                 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
1995                 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
1996                 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
1997                 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
1998                 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
1999                 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
2000                 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
2001                 { "ibq_tp0",  &cim_ibq_fops, S_IRUSR, 0 },
2002                 { "ibq_tp1",  &cim_ibq_fops, S_IRUSR, 1 },
2003                 { "ibq_ulp",  &cim_ibq_fops, S_IRUSR, 2 },
2004                 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
2005                 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
2006                 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
2007                 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
2008                 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
2009                 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
2010                 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
2011                 { "obq_sge",  &cim_obq_fops, S_IRUSR, 4 },
2012                 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
2013                 { "tp_la", &tp_la_fops, S_IRUSR, 0 },
2014                 { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
2015                 { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
2016                 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
2017                 { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
2018 #if IS_ENABLED(CONFIG_IPV6)
2019                 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
2020 #endif
2021         };
2022
2023         /* Debug FS nodes common to all T5 and later adapters.
2024          */
2025         static struct t4_debugfs_entry t5_debugfs_files[] = {
2026                 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
2027                 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
2028         };
2029
2030         add_debugfs_files(adap,
2031                           t4_debugfs_files,
2032                           ARRAY_SIZE(t4_debugfs_files));
2033         if (!is_t4(adap->params.chip))
2034                 add_debugfs_files(adap,
2035                                   t5_debugfs_files,
2036                                   ARRAY_SIZE(t5_debugfs_files));
2037
2038         i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2039         if (i & EDRAM0_ENABLE_F) {
2040                 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2041                 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
2042         }
2043         if (i & EDRAM1_ENABLE_F) {
2044                 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2045                 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
2046         }
2047         if (is_t4(adap->params.chip)) {
2048                 size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2049                 if (i & EXT_MEM_ENABLE_F)
2050                         add_debugfs_mem(adap, "mc", MEM_MC,
2051                                         EXT_MEM_SIZE_G(size));
2052         } else {
2053                 if (i & EXT_MEM0_ENABLE_F) {
2054                         size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
2055                         add_debugfs_mem(adap, "mc0", MEM_MC0,
2056                                         EXT_MEM0_SIZE_G(size));
2057                 }
2058                 if (i & EXT_MEM1_ENABLE_F) {
2059                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
2060                         add_debugfs_mem(adap, "mc1", MEM_MC1,
2061                                         EXT_MEM1_SIZE_G(size));
2062                 }
2063         }
2064
2065         de = debugfs_create_file("flash", S_IRUSR, adap->debugfs_root, adap,
2066                                  &flash_debugfs_fops);
2067         set_debugfs_file_size(de, adap->params.sf_size);
2068
2069         return 0;
2070 }