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_show_t6(struct seq_file *seq, void *v, int idx)
 155 {
 156         if (v == SEQ_START_TOKEN) {
 157                 seq_puts(seq, "Status   Inst    Data      PC     LS0Stat  "
 158                          "LS0Addr  LS0Data  LS1Stat  LS1Addr  LS1Data\n");
 159         } else {
 160                 const u32 *p = v;
 161
 162                 seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x %08x %08x %08x %08x %08x %08x\n",
 163                            (p[9] >> 16) & 0xff,       /* Status */
 164                            p[9] & 0xffff, p[8] >> 16, /* Inst */
 165                            p[8] & 0xffff, p[7] >> 16, /* Data */
 166                            p[7] & 0xffff, p[6] >> 16, /* PC */
 167                            p[2], p[1], p[0],      /* LS0 Stat, Addr and Data */
 168                            p[5], p[4], p[3]);     /* LS1 Stat, Addr and Data */
 169         }
 170         return 0;
 171 }
 172
 173 static int cim_la_show_pc_t6(struct seq_file *seq, void *v, int idx)
 174 {
 175         if (v == SEQ_START_TOKEN) {
 176                 seq_puts(seq, "Status   Inst    Data      PC\n");
 177         } else {
 178                 const u32 *p = v;
 179
 180                 seq_printf(seq, "  %02x   %08x %08x %08x\n",
 181                            p[3] & 0xff, p[2], p[1], p[0]);
 182                 seq_printf(seq, "  %02x   %02x%06x %02x%06x %02x%06x\n",
 183                            (p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8,
 184                            p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8);
 185                 seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x\n",
 186                            (p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16,
 187                            p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff,
 188                            p[6] >> 16);
 189         }
 190         return 0;
 191 }
 192
 193 static int cim_la_open(struct inode *inode, struct file *file)
 194 {
 195         int ret;
 196         unsigned int cfg;
 197         struct seq_tab *p;
 198         struct adapter *adap = inode->i_private;
 199
 200         ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
 201         if (ret)
 202                 return ret;
 203
 204         if (is_t6(adap->params.chip)) {
 205                 /* +1 to account for integer division of CIMLA_SIZE/10 */
 206                 p = seq_open_tab(file, (adap->params.cim_la_size / 10) + 1,
 207                                  10 * sizeof(u32), 1,
 208                                  cfg & UPDBGLACAPTPCONLY_F ?
 209                                         cim_la_show_pc_t6 : cim_la_show_t6);
 210         } else {
 211                 p = seq_open_tab(file, adap->params.cim_la_size / 8,
 212                                  8 * sizeof(u32), 1,
 213                                  cfg & UPDBGLACAPTPCONLY_F ? cim_la_show_3in1 :
 214                                                              cim_la_show);
 215         }
 216         if (!p)
 217                 return -ENOMEM;
 218
 219         ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
 220         if (ret)
 221                 seq_release_private(inode, file);
 222         return ret;
 223 }
 224
 225 static const struct file_operations cim_la_fops = {
 226         .owner   = THIS_MODULE,
 227         .open    = cim_la_open,
 228         .read    = seq_read,
 229         .llseek  = seq_lseek,
 230         .release = seq_release_private
 231 };
 232
 233 static int cim_pif_la_show(struct seq_file *seq, void *v, int idx)
 234 {
 235         const u32 *p = v;
 236
 237         if (v == SEQ_START_TOKEN) {
 238                 seq_puts(seq, "Cntl ID DataBE   Addr                 Data\n");
 239         } else if (idx < CIM_PIFLA_SIZE) {
 240                 seq_printf(seq, " %02x  %02x  %04x  %08x %08x%08x%08x%08x\n",
 241                            (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f,
 242                            p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]);
 243         } else {
 244                 if (idx == CIM_PIFLA_SIZE)
 245                         seq_puts(seq, "\nCntl ID               Data\n");
 246                 seq_printf(seq, " %02x  %02x %08x%08x%08x%08x\n",
 247                            (p[4] >> 6) & 0xff, p[4] & 0x3f,
 248                            p[3], p[2], p[1], p[0]);
 249         }
 250         return 0;
 251 }
 252
 253 static int cim_pif_la_open(struct inode *inode, struct file *file)
 254 {
 255         struct seq_tab *p;
 256         struct adapter *adap = inode->i_private;
 257
 258         p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1,
 259                          cim_pif_la_show);
 260         if (!p)
 261                 return -ENOMEM;
 262
 263         t4_cim_read_pif_la(adap, (u32 *)p->data,
 264                            (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL);
 265         return 0;
 266 }
 267
 268 static const struct file_operations cim_pif_la_fops = {
 269         .owner   = THIS_MODULE,
 270         .open    = cim_pif_la_open,
 271         .read    = seq_read,
 272         .llseek  = seq_lseek,
 273         .release = seq_release_private
 274 };
 275
 276 static int cim_ma_la_show(struct seq_file *seq, void *v, int idx)
 277 {
 278         const u32 *p = v;
 279
 280         if (v == SEQ_START_TOKEN) {
 281                 seq_puts(seq, "\n");
 282         } else if (idx < CIM_MALA_SIZE) {
 283                 seq_printf(seq, "%02x%08x%08x%08x%08x\n",
 284                            p[4], p[3], p[2], p[1], p[0]);
 285         } else {
 286                 if (idx == CIM_MALA_SIZE)
 287                         seq_puts(seq,
 288                                  "\nCnt ID Tag UE       Data       RDY VLD\n");
 289                 seq_printf(seq, "%3u %2u  %x   %u %08x%08x  %u   %u\n",
 290                            (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
 291                            (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
 292                            (p[1] >> 2) | ((p[2] & 3) << 30),
 293                            (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
 294                            p[0] & 1);
 295         }
 296         return 0;
 297 }
 298
 299 static int cim_ma_la_open(struct inode *inode, struct file *file)
 300 {
 301         struct seq_tab *p;
 302         struct adapter *adap = inode->i_private;
 303
 304         p = seq_open_tab(file, 2 * CIM_MALA_SIZE, 5 * sizeof(u32), 1,
 305                          cim_ma_la_show);
 306         if (!p)
 307                 return -ENOMEM;
 308
 309         t4_cim_read_ma_la(adap, (u32 *)p->data,
 310                           (u32 *)p->data + 5 * CIM_MALA_SIZE);
 311         return 0;
 312 }
 313
 314 static const struct file_operations cim_ma_la_fops = {
 315         .owner   = THIS_MODULE,
 316         .open    = cim_ma_la_open,
 317         .read    = seq_read,
 318         .llseek  = seq_lseek,
 319         .release = seq_release_private
 320 };
 321
 322 static int cim_qcfg_show(struct seq_file *seq, void *v)
 323 {
 324         static const char * const qname[] = {
 325                 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
 326                 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
 327                 "SGE0-RX", "SGE1-RX"
 328         };
 329
 330         int i;
 331         struct adapter *adap = seq->private;
 332         u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 333         u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 334         u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
 335         u16 thres[CIM_NUM_IBQ];
 336         u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
 337         u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
 338         u32 *p = stat;
 339         int cim_num_obq = is_t4(adap->params.chip) ?
 340                                 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
 341
 342         i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
 343                         UP_IBQ_0_SHADOW_RDADDR_A,
 344                         ARRAY_SIZE(stat), stat);
 345         if (!i) {
 346                 if (is_t4(adap->params.chip)) {
 347                         i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
 348                                         ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
 349                         wr = obq_wr_t4;
 350                 } else {
 351                         i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
 352                                         ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
 353                         wr = obq_wr_t5;
 354                 }
 355         }
 356         if (i)
 357                 return i;
 358
 359         t4_read_cimq_cfg(adap, base, size, thres);
 360
 361         seq_printf(seq,
 362                    "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
 363         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
 364                 seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
 365                            qname[i], base[i], size[i], thres[i],
 366                            IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
 367                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 368                            QUEREMFLITS_G(p[2]) * 16);
 369         for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
 370                 seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
 371                            qname[i], base[i], size[i],
 372                            QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
 373                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 374                            QUEREMFLITS_G(p[2]) * 16);
 375         return 0;
 376 }
 377
 378 static int cim_qcfg_open(struct inode *inode, struct file *file)
 379 {
 380         return single_open(file, cim_qcfg_show, inode->i_private);
 381 }
 382
 383 static const struct file_operations cim_qcfg_fops = {
 384         .owner   = THIS_MODULE,
 385         .open    = cim_qcfg_open,
 386         .read    = seq_read,
 387         .llseek  = seq_lseek,
 388         .release = single_release,
 389 };
 390
 391 static int cimq_show(struct seq_file *seq, void *v, int idx)
 392 {
 393         const u32 *p = v;
 394
 395         seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
 396                    p[2], p[3]);
 397         return 0;
 398 }
 399
 400 static int cim_ibq_open(struct inode *inode, struct file *file)
 401 {
 402         int ret;
 403         struct seq_tab *p;
 404         unsigned int qid = (uintptr_t)inode->i_private & 7;
 405         struct adapter *adap = inode->i_private - qid;
 406
 407         p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 408         if (!p)
 409                 return -ENOMEM;
 410
 411         ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
 412         if (ret < 0)
 413                 seq_release_private(inode, file);
 414         else
 415                 ret = 0;
 416         return ret;
 417 }
 418
 419 static const struct file_operations cim_ibq_fops = {
 420         .owner   = THIS_MODULE,
 421         .open    = cim_ibq_open,
 422         .read    = seq_read,
 423         .llseek  = seq_lseek,
 424         .release = seq_release_private
 425 };
 426
 427 static int cim_obq_open(struct inode *inode, struct file *file)
 428 {
 429         int ret;
 430         struct seq_tab *p;
 431         unsigned int qid = (uintptr_t)inode->i_private & 7;
 432         struct adapter *adap = inode->i_private - qid;
 433
 434         p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 435         if (!p)
 436                 return -ENOMEM;
 437
 438         ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
 439         if (ret < 0) {
 440                 seq_release_private(inode, file);
 441         } else {
 442                 seq_tab_trim(p, ret / 4);
 443                 ret = 0;
 444         }
 445         return ret;
 446 }
 447
 448 static const struct file_operations cim_obq_fops = {
 449         .owner   = THIS_MODULE,
 450         .open    = cim_obq_open,
 451         .read    = seq_read,
 452         .llseek  = seq_lseek,
 453         .release = seq_release_private
 454 };
 455
 456 struct field_desc {
 457         const char *name;
 458         unsigned int start;
 459         unsigned int width;
 460 };
 461
 462 static void field_desc_show(struct seq_file *seq, u64 v,
 463                             const struct field_desc *p)
 464 {
 465         char buf[32];
 466         int line_size = 0;
 467
 468         while (p->name) {
 469                 u64 mask = (1ULL << p->width) - 1;
 470                 int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
 471                                     ((unsigned long long)v >> p->start) & mask);
 472
 473                 if (line_size + len >= 79) {
 474                         line_size = 8;
 475                         seq_puts(seq, "\n        ");
 476                 }
 477                 seq_printf(seq, "%s ", buf);
 478                 line_size += len + 1;
 479                 p++;
 480         }
 481         seq_putc(seq, '\n');
 482 }
 483
 484 static struct field_desc tp_la0[] = {
 485         { "RcfOpCodeOut", 60, 4 },
 486         { "State", 56, 4 },
 487         { "WcfState", 52, 4 },
 488         { "RcfOpcSrcOut", 50, 2 },
 489         { "CRxError", 49, 1 },
 490         { "ERxError", 48, 1 },
 491         { "SanityFailed", 47, 1 },
 492         { "SpuriousMsg", 46, 1 },
 493         { "FlushInputMsg", 45, 1 },
 494         { "FlushInputCpl", 44, 1 },
 495         { "RssUpBit", 43, 1 },
 496         { "RssFilterHit", 42, 1 },
 497         { "Tid", 32, 10 },
 498         { "InitTcb", 31, 1 },
 499         { "LineNumber", 24, 7 },
 500         { "Emsg", 23, 1 },
 501         { "EdataOut", 22, 1 },
 502         { "Cmsg", 21, 1 },
 503         { "CdataOut", 20, 1 },
 504         { "EreadPdu", 19, 1 },
 505         { "CreadPdu", 18, 1 },
 506         { "TunnelPkt", 17, 1 },
 507         { "RcfPeerFin", 16, 1 },
 508         { "RcfReasonOut", 12, 4 },
 509         { "TxCchannel", 10, 2 },
 510         { "RcfTxChannel", 8, 2 },
 511         { "RxEchannel", 6, 2 },
 512         { "RcfRxChannel", 5, 1 },
 513         { "RcfDataOutSrdy", 4, 1 },
 514         { "RxDvld", 3, 1 },
 515         { "RxOoDvld", 2, 1 },
 516         { "RxCongestion", 1, 1 },
 517         { "TxCongestion", 0, 1 },
 518         { NULL }
 519 };
 520
 521 static int tp_la_show(struct seq_file *seq, void *v, int idx)
 522 {
 523         const u64 *p = v;
 524
 525         field_desc_show(seq, *p, tp_la0);
 526         return 0;
 527 }
 528
 529 static int tp_la_show2(struct seq_file *seq, void *v, int idx)
 530 {
 531         const u64 *p = v;
 532
 533         if (idx)
 534                 seq_putc(seq, '\n');
 535         field_desc_show(seq, p[0], tp_la0);
 536         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 537                 field_desc_show(seq, p[1], tp_la0);
 538         return 0;
 539 }
 540
 541 static int tp_la_show3(struct seq_file *seq, void *v, int idx)
 542 {
 543         static struct field_desc tp_la1[] = {
 544                 { "CplCmdIn", 56, 8 },
 545                 { "CplCmdOut", 48, 8 },
 546                 { "ESynOut", 47, 1 },
 547                 { "EAckOut", 46, 1 },
 548                 { "EFinOut", 45, 1 },
 549                 { "ERstOut", 44, 1 },
 550                 { "SynIn", 43, 1 },
 551                 { "AckIn", 42, 1 },
 552                 { "FinIn", 41, 1 },
 553                 { "RstIn", 40, 1 },
 554                 { "DataIn", 39, 1 },
 555                 { "DataInVld", 38, 1 },
 556                 { "PadIn", 37, 1 },
 557                 { "RxBufEmpty", 36, 1 },
 558                 { "RxDdp", 35, 1 },
 559                 { "RxFbCongestion", 34, 1 },
 560                 { "TxFbCongestion", 33, 1 },
 561                 { "TxPktSumSrdy", 32, 1 },
 562                 { "RcfUlpType", 28, 4 },
 563                 { "Eread", 27, 1 },
 564                 { "Ebypass", 26, 1 },
 565                 { "Esave", 25, 1 },
 566                 { "Static0", 24, 1 },
 567                 { "Cread", 23, 1 },
 568                 { "Cbypass", 22, 1 },
 569                 { "Csave", 21, 1 },
 570                 { "CPktOut", 20, 1 },
 571                 { "RxPagePoolFull", 18, 2 },
 572                 { "RxLpbkPkt", 17, 1 },
 573                 { "TxLpbkPkt", 16, 1 },
 574                 { "RxVfValid", 15, 1 },
 575                 { "SynLearned", 14, 1 },
 576                 { "SetDelEntry", 13, 1 },
 577                 { "SetInvEntry", 12, 1 },
 578                 { "CpcmdDvld", 11, 1 },
 579                 { "CpcmdSave", 10, 1 },
 580                 { "RxPstructsFull", 8, 2 },
 581                 { "EpcmdDvld", 7, 1 },
 582                 { "EpcmdFlush", 6, 1 },
 583                 { "EpcmdTrimPrefix", 5, 1 },
 584                 { "EpcmdTrimPostfix", 4, 1 },
 585                 { "ERssIp4Pkt", 3, 1 },
 586                 { "ERssIp6Pkt", 2, 1 },
 587                 { "ERssTcpUdpPkt", 1, 1 },
 588                 { "ERssFceFipPkt", 0, 1 },
 589                 { NULL }
 590         };
 591         static struct field_desc tp_la2[] = {
 592                 { "CplCmdIn", 56, 8 },
 593                 { "MpsVfVld", 55, 1 },
 594                 { "MpsPf", 52, 3 },
 595                 { "MpsVf", 44, 8 },
 596                 { "SynIn", 43, 1 },
 597                 { "AckIn", 42, 1 },
 598                 { "FinIn", 41, 1 },
 599                 { "RstIn", 40, 1 },
 600                 { "DataIn", 39, 1 },
 601                 { "DataInVld", 38, 1 },
 602                 { "PadIn", 37, 1 },
 603                 { "RxBufEmpty", 36, 1 },
 604                 { "RxDdp", 35, 1 },
 605                 { "RxFbCongestion", 34, 1 },
 606                 { "TxFbCongestion", 33, 1 },
 607                 { "TxPktSumSrdy", 32, 1 },
 608                 { "RcfUlpType", 28, 4 },
 609                 { "Eread", 27, 1 },
 610                 { "Ebypass", 26, 1 },
 611                 { "Esave", 25, 1 },
 612                 { "Static0", 24, 1 },
 613                 { "Cread", 23, 1 },
 614                 { "Cbypass", 22, 1 },
 615                 { "Csave", 21, 1 },
 616                 { "CPktOut", 20, 1 },
 617                 { "RxPagePoolFull", 18, 2 },
 618                 { "RxLpbkPkt", 17, 1 },
 619                 { "TxLpbkPkt", 16, 1 },
 620                 { "RxVfValid", 15, 1 },
 621                 { "SynLearned", 14, 1 },
 622                 { "SetDelEntry", 13, 1 },
 623                 { "SetInvEntry", 12, 1 },
 624                 { "CpcmdDvld", 11, 1 },
 625                 { "CpcmdSave", 10, 1 },
 626                 { "RxPstructsFull", 8, 2 },
 627                 { "EpcmdDvld", 7, 1 },
 628                 { "EpcmdFlush", 6, 1 },
 629                 { "EpcmdTrimPrefix", 5, 1 },
 630                 { "EpcmdTrimPostfix", 4, 1 },
 631                 { "ERssIp4Pkt", 3, 1 },
 632                 { "ERssIp6Pkt", 2, 1 },
 633                 { "ERssTcpUdpPkt", 1, 1 },
 634                 { "ERssFceFipPkt", 0, 1 },
 635                 { NULL }
 636         };
 637         const u64 *p = v;
 638
 639         if (idx)
 640                 seq_putc(seq, '\n');
 641         field_desc_show(seq, p[0], tp_la0);
 642         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 643                 field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
 644         return 0;
 645 }
 646
 647 static int tp_la_open(struct inode *inode, struct file *file)
 648 {
 649         struct seq_tab *p;
 650         struct adapter *adap = inode->i_private;
 651
 652         switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
 653         case 2:
 654                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 655                                  tp_la_show2);
 656                 break;
 657         case 3:
 658                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 659                                  tp_la_show3);
 660                 break;
 661         default:
 662                 p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
 663         }
 664         if (!p)
 665                 return -ENOMEM;
 666
 667         t4_tp_read_la(adap, (u64 *)p->data, NULL);
 668         return 0;
 669 }
 670
 671 static ssize_t tp_la_write(struct file *file, const char __user *buf,
 672                            size_t count, loff_t *pos)
 673 {
 674         int err;
 675         char s[32];
 676         unsigned long val;
 677         size_t size = min(sizeof(s) - 1, count);
 678         struct adapter *adap = file_inode(file)->i_private;
 679
 680         if (copy_from_user(s, buf, size))
 681                 return -EFAULT;
 682         s[size] = '\0';
 683         err = kstrtoul(s, 0, &val);
 684         if (err)
 685                 return err;
 686         if (val > 0xffff)
 687                 return -EINVAL;
 688         adap->params.tp.la_mask = val << 16;
 689         t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
 690                          adap->params.tp.la_mask);
 691         return count;
 692 }
 693
 694 static const struct file_operations tp_la_fops = {
 695         .owner   = THIS_MODULE,
 696         .open    = tp_la_open,
 697         .read    = seq_read,
 698         .llseek  = seq_lseek,
 699         .release = seq_release_private,
 700         .write   = tp_la_write
 701 };
 702
 703 static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
 704 {
 705         const u32 *p = v;
 706
 707         if (v == SEQ_START_TOKEN)
 708                 seq_puts(seq, "      Pcmd        Type   Message"
 709                          "                Data\n");
 710         else
 711                 seq_printf(seq, "%08x%08x  %4x  %08x  %08x%08x%08x%08x\n",
 712                            p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
 713         return 0;
 714 }
 715
 716 static int ulprx_la_open(struct inode *inode, struct file *file)
 717 {
 718         struct seq_tab *p;
 719         struct adapter *adap = inode->i_private;
 720
 721         p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
 722                          ulprx_la_show);
 723         if (!p)
 724                 return -ENOMEM;
 725
 726         t4_ulprx_read_la(adap, (u32 *)p->data);
 727         return 0;
 728 }
 729
 730 static const struct file_operations ulprx_la_fops = {
 731         .owner   = THIS_MODULE,
 732         .open    = ulprx_la_open,
 733         .read    = seq_read,
 734         .llseek  = seq_lseek,
 735         .release = seq_release_private
 736 };
 737
 738 /* Show the PM memory stats.  These stats include:
 739  *
 740  * TX:
 741  *   Read: memory read operation
 742  *   Write Bypass: cut-through
 743  *   Bypass + mem: cut-through and save copy
 744  *
 745  * RX:
 746  *   Read: memory read
 747  *   Write Bypass: cut-through
 748  *   Flush: payload trim or drop
 749  */
 750 static int pm_stats_show(struct seq_file *seq, void *v)
 751 {
 752         static const char * const tx_pm_stats[] = {
 753                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 754         };
 755         static const char * const rx_pm_stats[] = {
 756                 "Read:", "Write bypass:", "Write mem:", "Flush:"
 757         };
 758
 759         int i;
 760         u32 tx_cnt[T6_PM_NSTATS], rx_cnt[T6_PM_NSTATS];
 761         u64 tx_cyc[T6_PM_NSTATS], rx_cyc[T6_PM_NSTATS];
 762         struct adapter *adap = seq->private;
 763
 764         t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
 765         t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
 766
 767         seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
 768         for (i = 0; i < PM_NSTATS - 1; i++)
 769                 seq_printf(seq, "%-13s %10u  %20llu\n",
 770                            tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
 771
 772         seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
 773         for (i = 0; i < PM_NSTATS - 1; i++)
 774                 seq_printf(seq, "%-13s %10u  %20llu\n",
 775                            rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
 776
 777         if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
 778                 /* In T5 the granularity of the total wait is too fine.
 779                  * It is not useful as it reaches the max value too fast.
 780                  * Hence display this Input FIFO wait for T6 onwards.
 781                  */
 782                 seq_printf(seq, "%13s %10s  %20s\n",
 783                            " ", "Total wait", "Total Occupancy");
 784                 seq_printf(seq, "Tx FIFO wait  %10u  %20llu\n",
 785                            tx_cnt[i], tx_cyc[i]);
 786                 seq_printf(seq, "Rx FIFO wait  %10u  %20llu\n",
 787                            rx_cnt[i], rx_cyc[i]);
 788
 789                 /* Skip index 6 as there is nothing useful ihere */
 790                 i += 2;
 791
 792                 /* At index 7, a new stat for read latency (count, total wait)
 793                  * is added.
 794                  */
 795                 seq_printf(seq, "%13s %10s  %20s\n",
 796                            " ", "Reads", "Total wait");
 797                 seq_printf(seq, "Tx latency    %10u  %20llu\n",
 798                            tx_cnt[i], tx_cyc[i]);
 799                 seq_printf(seq, "Rx latency    %10u  %20llu\n",
 800                            rx_cnt[i], rx_cyc[i]);
 801         }
 802         return 0;
 803 }
 804
 805 static int pm_stats_open(struct inode *inode, struct file *file)
 806 {
 807         return single_open(file, pm_stats_show, inode->i_private);
 808 }
 809
 810 static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
 811                               size_t count, loff_t *pos)
 812 {
 813         struct adapter *adap = file_inode(file)->i_private;
 814
 815         t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
 816         t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
 817         return count;
 818 }
 819
 820 static const struct file_operations pm_stats_debugfs_fops = {
 821         .owner   = THIS_MODULE,
 822         .open    = pm_stats_open,
 823         .read    = seq_read,
 824         .llseek  = seq_lseek,
 825         .release = single_release,
 826         .write   = pm_stats_clear
 827 };
 828
 829 static int tx_rate_show(struct seq_file *seq, void *v)
 830 {
 831         u64 nrate[NCHAN], orate[NCHAN];
 832         struct adapter *adap = seq->private;
 833
 834         t4_get_chan_txrate(adap, nrate, orate);
 835         if (adap->params.arch.nchan == NCHAN) {
 836                 seq_puts(seq, "              channel 0   channel 1   "
 837                          "channel 2   channel 3\n");
 838                 seq_printf(seq, "NIC B/s:     %10llu  %10llu  %10llu  %10llu\n",
 839                            (unsigned long long)nrate[0],
 840                            (unsigned long long)nrate[1],
 841                            (unsigned long long)nrate[2],
 842                            (unsigned long long)nrate[3]);
 843                 seq_printf(seq, "Offload B/s: %10llu  %10llu  %10llu  %10llu\n",
 844                            (unsigned long long)orate[0],
 845                            (unsigned long long)orate[1],
 846                            (unsigned long long)orate[2],
 847                            (unsigned long long)orate[3]);
 848         } else {
 849                 seq_puts(seq, "              channel 0   channel 1\n");
 850                 seq_printf(seq, "NIC B/s:     %10llu  %10llu\n",
 851                            (unsigned long long)nrate[0],
 852                            (unsigned long long)nrate[1]);
 853                 seq_printf(seq, "Offload B/s: %10llu  %10llu\n",
 854                            (unsigned long long)orate[0],
 855                            (unsigned long long)orate[1]);
 856         }
 857         return 0;
 858 }
 859
 860 DEFINE_SIMPLE_DEBUGFS_FILE(tx_rate);
 861
 862 static int cctrl_tbl_show(struct seq_file *seq, void *v)
 863 {
 864         static const char * const dec_fac[] = {
 865                 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
 866                 "0.9375" };
 867
 868         int i;
 869         u16 (*incr)[NCCTRL_WIN];
 870         struct adapter *adap = seq->private;
 871
 872         incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL);
 873         if (!incr)
 874                 return -ENOMEM;
 875
 876         t4_read_cong_tbl(adap, incr);
 877
 878         for (i = 0; i < NCCTRL_WIN; ++i) {
 879                 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
 880                            incr[0][i], incr[1][i], incr[2][i], incr[3][i],
 881                            incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
 882                 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
 883                            incr[8][i], incr[9][i], incr[10][i], incr[11][i],
 884                            incr[12][i], incr[13][i], incr[14][i], incr[15][i],
 885                            adap->params.a_wnd[i],
 886                            dec_fac[adap->params.b_wnd[i]]);
 887         }
 888
 889         kfree(incr);
 890         return 0;
 891 }
 892
 893 DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
 894
 895 /* Format a value in a unit that differs from the value's native unit by the
 896  * given factor.
 897  */
 898 static char *unit_conv(char *buf, size_t len, unsigned int val,
 899                        unsigned int factor)
 900 {
 901         unsigned int rem = val % factor;
 902
 903         if (rem == 0) {
 904                 snprintf(buf, len, "%u", val / factor);
 905         } else {
 906                 while (rem % 10 == 0)
 907                         rem /= 10;
 908                 snprintf(buf, len, "%u.%u", val / factor, rem);
 909         }
 910         return buf;
 911 }
 912
 913 static int clk_show(struct seq_file *seq, void *v)
 914 {
 915         char buf[32];
 916         struct adapter *adap = seq->private;
 917         unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
 918         u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
 919         unsigned int tre = TIMERRESOLUTION_G(res);
 920         unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
 921         unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
 922
 923         seq_printf(seq, "Core clock period: %s ns\n",
 924                    unit_conv(buf, sizeof(buf), cclk_ps, 1000));
 925         seq_printf(seq, "TP timer tick: %s us\n",
 926                    unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
 927         seq_printf(seq, "TCP timestamp tick: %s us\n",
 928                    unit_conv(buf, sizeof(buf),
 929                              (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
 930         seq_printf(seq, "DACK tick: %s us\n",
 931                    unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
 932         seq_printf(seq, "DACK timer: %u us\n",
 933                    ((cclk_ps << dack_re) / 1000000) *
 934                    t4_read_reg(adap, TP_DACK_TIMER_A));
 935         seq_printf(seq, "Retransmit min: %llu us\n",
 936                    tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
 937         seq_printf(seq, "Retransmit max: %llu us\n",
 938                    tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
 939         seq_printf(seq, "Persist timer min: %llu us\n",
 940                    tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
 941         seq_printf(seq, "Persist timer max: %llu us\n",
 942                    tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
 943         seq_printf(seq, "Keepalive idle timer: %llu us\n",
 944                    tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
 945         seq_printf(seq, "Keepalive interval: %llu us\n",
 946                    tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
 947         seq_printf(seq, "Initial SRTT: %llu us\n",
 948                    tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
 949         seq_printf(seq, "FINWAIT2 timer: %llu us\n",
 950                    tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
 951
 952         return 0;
 953 }
 954
 955 DEFINE_SIMPLE_DEBUGFS_FILE(clk);
 956
 957 /* Firmware Device Log dump. */
 958 static const char * const devlog_level_strings[] = {
 959         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
 960         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
 961         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
 962         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
 963         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
 964         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
 965 };
 966
 967 static const char * const devlog_facility_strings[] = {
 968         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
 969         [FW_DEVLOG_FACILITY_CF]         = "CF",
 970         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
 971         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
 972         [FW_DEVLOG_FACILITY_RES]        = "RES",
 973         [FW_DEVLOG_FACILITY_HW]         = "HW",
 974         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
 975         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
 976         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
 977         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
 978         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
 979         [FW_DEVLOG_FACILITY_VI]         = "VI",
 980         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
 981         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
 982         [FW_DEVLOG_FACILITY_TM]         = "TM",
 983         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
 984         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
 985         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
 986         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
 987         [FW_DEVLOG_FACILITY_RI]         = "RI",
 988         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
 989         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
 990         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
 991         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
 992 };
 993
 994 /* Information gathered by Device Log Open routine for the display routine.
 995  */
 996 struct devlog_info {
 997         unsigned int nentries;          /* number of entries in log[] */
 998         unsigned int first;             /* first [temporal] entry in log[] */
 999         struct fw_devlog_e log[0];      /* Firmware Device Log */
1000 };
1001
1002 /* Dump a Firmaware Device Log entry.
1003  */
1004 static int devlog_show(struct seq_file *seq, void *v)
1005 {
1006         if (v == SEQ_START_TOKEN)
1007                 seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
1008                            "Seq#", "Tstamp", "Level", "Facility", "Message");
1009         else {
1010                 struct devlog_info *dinfo = seq->private;
1011                 int fidx = (uintptr_t)v - 2;
1012                 unsigned long index;
1013                 struct fw_devlog_e *e;
1014
1015                 /* Get a pointer to the log entry to display.  Skip unused log
1016                  * entries.
1017                  */
1018                 index = dinfo->first + fidx;
1019                 if (index >= dinfo->nentries)
1020                         index -= dinfo->nentries;
1021                 e = &dinfo->log[index];
1022                 if (e->timestamp == 0)
1023                         return 0;
1024
1025                 /* Print the message.  This depends on the firmware using
1026                  * exactly the same formating strings as the kernel so we may
1027                  * eventually have to put a format interpreter in here ...
1028                  */
1029                 seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
1030                            be32_to_cpu(e->seqno),
1031                            be64_to_cpu(e->timestamp),
1032                            (e->level < ARRAY_SIZE(devlog_level_strings)
1033                             ? devlog_level_strings[e->level]
1034                             : "UNKNOWN"),
1035                            (e->facility < ARRAY_SIZE(devlog_facility_strings)
1036                             ? devlog_facility_strings[e->facility]
1037                             : "UNKNOWN"));
1038                 seq_printf(seq, e->fmt,
1039                            be32_to_cpu(e->params[0]),
1040                            be32_to_cpu(e->params[1]),
1041                            be32_to_cpu(e->params[2]),
1042                            be32_to_cpu(e->params[3]),
1043                            be32_to_cpu(e->params[4]),
1044                            be32_to_cpu(e->params[5]),
1045                            be32_to_cpu(e->params[6]),
1046                            be32_to_cpu(e->params[7]));
1047         }
1048         return 0;
1049 }
1050
1051 /* Sequential File Operations for Device Log.
1052  */
1053 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
1054 {
1055         if (pos > dinfo->nentries)
1056                 return NULL;
1057
1058         return (void *)(uintptr_t)(pos + 1);
1059 }
1060
1061 static void *devlog_start(struct seq_file *seq, loff_t *pos)
1062 {
1063         struct devlog_info *dinfo = seq->private;
1064
1065         return (*pos
1066                 ? devlog_get_idx(dinfo, *pos)
1067                 : SEQ_START_TOKEN);
1068 }
1069
1070 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
1071 {
1072         struct devlog_info *dinfo = seq->private;
1073
1074         (*pos)++;
1075         return devlog_get_idx(dinfo, *pos);
1076 }
1077
1078 static void devlog_stop(struct seq_file *seq, void *v)
1079 {
1080 }
1081
1082 static const struct seq_operations devlog_seq_ops = {
1083         .start = devlog_start,
1084         .next  = devlog_next,
1085         .stop  = devlog_stop,
1086         .show  = devlog_show
1087 };
1088
1089 /* Set up for reading the firmware's device log.  We read the entire log here
1090  * and then display it incrementally in devlog_show().
1091  */
1092 static int devlog_open(struct inode *inode, struct file *file)
1093 {
1094         struct adapter *adap = inode->i_private;
1095         struct devlog_params *dparams = &adap->params.devlog;
1096         struct devlog_info *dinfo;
1097         unsigned int index;
1098         u32 fseqno;
1099         int ret;
1100
1101         /* If we don't know where the log is we can't do anything.
1102          */
1103         if (dparams->start == 0)
1104                 return -ENXIO;
1105
1106         /* Allocate the space to read in the firmware's device log and set up
1107          * for the iterated call to our display function.
1108          */
1109         dinfo = __seq_open_private(file, &devlog_seq_ops,
1110                                    sizeof(*dinfo) + dparams->size);
1111         if (!dinfo)
1112                 return -ENOMEM;
1113
1114         /* Record the basic log buffer information and read in the raw log.
1115          */
1116         dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
1117         dinfo->first = 0;
1118         spin_lock(&adap->win0_lock);
1119         ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
1120                            dparams->start, dparams->size, (__be32 *)dinfo->log,
1121                            T4_MEMORY_READ);
1122         spin_unlock(&adap->win0_lock);
1123         if (ret) {
1124                 seq_release_private(inode, file);
1125                 return ret;
1126         }
1127
1128         /* Find the earliest (lowest Sequence Number) log entry in the
1129          * circular Device Log.
1130          */
1131         for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
1132                 struct fw_devlog_e *e = &dinfo->log[index];
1133                 __u32 seqno;
1134
1135                 if (e->timestamp == 0)
1136                         continue;
1137
1138                 seqno = be32_to_cpu(e->seqno);
1139                 if (seqno < fseqno) {
1140                         fseqno = seqno;
1141                         dinfo->first = index;
1142                 }
1143         }
1144         return 0;
1145 }
1146
1147 static const struct file_operations devlog_fops = {
1148         .owner   = THIS_MODULE,
1149         .open    = devlog_open,
1150         .read    = seq_read,
1151         .llseek  = seq_lseek,
1152         .release = seq_release_private
1153 };
1154
1155 /* Show Firmware Mailbox Command/Reply Log
1156  *
1157  * Note that we don't do any locking when dumping the Firmware Mailbox Log so
1158  * it's possible that we can catch things during a log update and therefore
1159  * see partially corrupted log entries.  But it's probably Good Enough(tm).
1160  * If we ever decide that we want to make sure that we're dumping a coherent
1161  * log, we'd need to perform locking in the mailbox logging and in
1162  * mboxlog_open() where we'd need to grab the entire mailbox log in one go
1163  * like we do for the Firmware Device Log.
1164  */
1165 static int mboxlog_show(struct seq_file *seq, void *v)
1166 {
1167         struct adapter *adapter = seq->private;
1168         struct mbox_cmd_log *log = adapter->mbox_log;
1169         struct mbox_cmd *entry;
1170         int entry_idx, i;
1171
1172         if (v == SEQ_START_TOKEN) {
1173                 seq_printf(seq,
1174                            "%10s  %15s  %5s  %5s  %s\n",
1175                            "Seq#", "Tstamp", "Atime", "Etime",
1176                            "Command/Reply");
1177                 return 0;
1178         }
1179
1180         entry_idx = log->cursor + ((uintptr_t)v - 2);
1181         if (entry_idx >= log->size)
1182                 entry_idx -= log->size;
1183         entry = mbox_cmd_log_entry(log, entry_idx);
1184
1185         /* skip over unused entries */
1186         if (entry->timestamp == 0)
1187                 return 0;
1188
1189         seq_printf(seq, "%10u  %15llu  %5d  %5d",
1190                    entry->seqno, entry->timestamp,
1191                    entry->access, entry->execute);
1192         for (i = 0; i < MBOX_LEN / 8; i++) {
1193                 u64 flit = entry->cmd[i];
1194                 u32 hi = (u32)(flit >> 32);
1195                 u32 lo = (u32)flit;
1196
1197                 seq_printf(seq, "  %08x %08x", hi, lo);
1198         }
1199         seq_puts(seq, "\n");
1200         return 0;
1201 }
1202
1203 static inline void *mboxlog_get_idx(struct seq_file *seq, loff_t pos)
1204 {
1205         struct adapter *adapter = seq->private;
1206         struct mbox_cmd_log *log = adapter->mbox_log;
1207
1208         return ((pos <= log->size) ? (void *)(uintptr_t)(pos + 1) : NULL);
1209 }
1210
1211 static void *mboxlog_start(struct seq_file *seq, loff_t *pos)
1212 {
1213         return *pos ? mboxlog_get_idx(seq, *pos) : SEQ_START_TOKEN;
1214 }
1215
1216 static void *mboxlog_next(struct seq_file *seq, void *v, loff_t *pos)
1217 {
1218         ++*pos;
1219         return mboxlog_get_idx(seq, *pos);
1220 }
1221
1222 static void mboxlog_stop(struct seq_file *seq, void *v)
1223 {
1224 }
1225
1226 static const struct seq_operations mboxlog_seq_ops = {
1227         .start = mboxlog_start,
1228         .next  = mboxlog_next,
1229         .stop  = mboxlog_stop,
1230         .show  = mboxlog_show
1231 };
1232
1233 static int mboxlog_open(struct inode *inode, struct file *file)
1234 {
1235         int res = seq_open(file, &mboxlog_seq_ops);
1236
1237         if (!res) {
1238                 struct seq_file *seq = file->private_data;
1239
1240                 seq->private = inode->i_private;
1241         }
1242         return res;
1243 }
1244
1245 static const struct file_operations mboxlog_fops = {
1246         .owner   = THIS_MODULE,
1247         .open    = mboxlog_open,
1248         .read    = seq_read,
1249         .llseek  = seq_lseek,
1250         .release = seq_release,
1251 };
1252
1253 static int mbox_show(struct seq_file *seq, void *v)
1254 {
1255         static const char * const owner[] = { "none", "FW", "driver",
1256                                               "unknown", "<unread>" };
1257
1258         int i;
1259         unsigned int mbox = (uintptr_t)seq->private & 7;
1260         struct adapter *adap = seq->private - mbox;
1261         void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1262
1263         /* For T4 we don't have a shadow copy of the Mailbox Control register.
1264          * And since reading that real register causes a side effect of
1265          * granting ownership, we're best of simply not reading it at all.
1266          */
1267         if (is_t4(adap->params.chip)) {
1268                 i = 4; /* index of "<unread>" */
1269         } else {
1270                 unsigned int ctrl_reg = CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A;
1271                 void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
1272
1273                 i = MBOWNER_G(readl(ctrl));
1274         }
1275
1276         seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
1277
1278         for (i = 0; i < MBOX_LEN; i += 8)
1279                 seq_printf(seq, "%016llx\n",
1280                            (unsigned long long)readq(addr + i));
1281         return 0;
1282 }
1283
1284 static int mbox_open(struct inode *inode, struct file *file)
1285 {
1286         return single_open(file, mbox_show, inode->i_private);
1287 }
1288
1289 static ssize_t mbox_write(struct file *file, const char __user *buf,
1290                           size_t count, loff_t *pos)
1291 {
1292         int i;
1293         char c = '\n', s[256];
1294         unsigned long long data[8];
1295         const struct inode *ino;
1296         unsigned int mbox;
1297         struct adapter *adap;
1298         void __iomem *addr;
1299         void __iomem *ctrl;
1300
1301         if (count > sizeof(s) - 1 || !count)
1302                 return -EINVAL;
1303         if (copy_from_user(s, buf, count))
1304                 return -EFAULT;
1305         s[count] = '\0';
1306
1307         if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
1308                    &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
1309                    &data[7], &c) < 8 || c != '\n')
1310                 return -EINVAL;
1311
1312         ino = file_inode(file);
1313         mbox = (uintptr_t)ino->i_private & 7;
1314         adap = ino->i_private - mbox;
1315         addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1316         ctrl = addr + MBOX_LEN;
1317
1318         if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1319                 return -EBUSY;
1320
1321         for (i = 0; i < 8; i++)
1322                 writeq(data[i], addr + 8 * i);
1323
1324         writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1325         return count;
1326 }
1327
1328 static const struct file_operations mbox_debugfs_fops = {
1329         .owner   = THIS_MODULE,
1330         .open    = mbox_open,
1331         .read    = seq_read,
1332         .llseek  = seq_lseek,
1333         .release = single_release,
1334         .write   = mbox_write
1335 };
1336
1337 static int mps_trc_show(struct seq_file *seq, void *v)
1338 {
1339         int enabled, i;
1340         struct trace_params tp;
1341         unsigned int trcidx = (uintptr_t)seq->private & 3;
1342         struct adapter *adap = seq->private - trcidx;
1343
1344         t4_get_trace_filter(adap, &tp, trcidx, &enabled);
1345         if (!enabled) {
1346                 seq_puts(seq, "tracer is disabled\n");
1347                 return 0;
1348         }
1349
1350         if (tp.skip_ofst * 8 >= TRACE_LEN) {
1351                 dev_err(adap->pdev_dev, "illegal trace pattern skip offset\n");
1352                 return -EINVAL;
1353         }
1354         if (tp.port < 8) {
1355                 i = adap->chan_map[tp.port & 3];
1356                 if (i >= MAX_NPORTS) {
1357                         dev_err(adap->pdev_dev, "tracer %u is assigned "
1358                                 "to non-existing port\n", trcidx);
1359                         return -EINVAL;
1360                 }
1361                 seq_printf(seq, "tracer is capturing %s %s, ",
1362                            adap->port[i]->name, tp.port < 4 ? "Rx" : "Tx");
1363         } else
1364                 seq_printf(seq, "tracer is capturing loopback %d, ",
1365                            tp.port - 8);
1366         seq_printf(seq, "snap length: %u, min length: %u\n", tp.snap_len,
1367                    tp.min_len);
1368         seq_printf(seq, "packets captured %smatch filter\n",
1369                    tp.invert ? "do not " : "");
1370
1371         if (tp.skip_ofst) {
1372                 seq_puts(seq, "filter pattern: ");
1373                 for (i = 0; i < tp.skip_ofst * 2; i += 2)
1374                         seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1375                 seq_putc(seq, '/');
1376                 for (i = 0; i < tp.skip_ofst * 2; i += 2)
1377                         seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1378                 seq_puts(seq, "@0\n");
1379         }
1380
1381         seq_puts(seq, "filter pattern: ");
1382         for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1383                 seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1384         seq_putc(seq, '/');
1385         for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1386                 seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1387         seq_printf(seq, "@%u\n", (tp.skip_ofst + tp.skip_len) * 8);
1388         return 0;
1389 }
1390
1391 static int mps_trc_open(struct inode *inode, struct file *file)
1392 {
1393         return single_open(file, mps_trc_show, inode->i_private);
1394 }
1395
1396 static unsigned int xdigit2int(unsigned char c)
1397 {
1398         return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
1399 }
1400
1401 #define TRC_PORT_NONE 0xff
1402 #define TRC_RSS_ENABLE 0x33
1403 #define TRC_RSS_DISABLE 0x13
1404
1405 /* Set an MPS trace filter.  Syntax is:
1406  *
1407  * disable
1408  *
1409  * to disable tracing, or
1410  *
1411  * interface qid=<qid no> [snaplen=<val>] [minlen=<val>] [not] [<pattern>]...
1412  *
1413  * where interface is one of rxN, txN, or loopbackN, N = 0..3, qid can be one
1414  * of the NIC's response qid obtained from sge_qinfo and pattern has the form
1415  *
1416  * <pattern data>[/<pattern mask>][@<anchor>]
1417  *
1418  * Up to 2 filter patterns can be specified.  If 2 are supplied the first one
1419  * must be anchored at 0.  An omited mask is taken as a mask of 1s, an omitted
1420  * anchor is taken as 0.
1421  */
1422 static ssize_t mps_trc_write(struct file *file, const char __user *buf,
1423                              size_t count, loff_t *pos)
1424 {
1425         int i, enable, ret;
1426         u32 *data, *mask;
1427         struct trace_params tp;
1428         const struct inode *ino;
1429         unsigned int trcidx;
1430         char *s, *p, *word, *end;
1431         struct adapter *adap;
1432         u32 j;
1433
1434         ino = file_inode(file);
1435         trcidx = (uintptr_t)ino->i_private & 3;
1436         adap = ino->i_private - trcidx;
1437
1438         /* Don't accept input more than 1K, can't be anything valid except lots
1439          * of whitespace.  Well, use less.
1440          */
1441         if (count > 1024)
1442                 return -EFBIG;
1443         p = s = kzalloc(count + 1, GFP_USER);
1444         if (!s)
1445                 return -ENOMEM;
1446         if (copy_from_user(s, buf, count)) {
1447                 count = -EFAULT;
1448                 goto out;
1449         }
1450
1451         if (s[count - 1] == '\n')
1452                 s[count - 1] = '\0';
1453
1454         enable = strcmp("disable", s) != 0;
1455         if (!enable)
1456                 goto apply;
1457
1458         /* enable or disable trace multi rss filter */
1459         if (adap->trace_rss)
1460                 t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_ENABLE);
1461         else
1462                 t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_DISABLE);
1463
1464         memset(&tp, 0, sizeof(tp));
1465         tp.port = TRC_PORT_NONE;
1466         i = 0;  /* counts pattern nibbles */
1467
1468         while (p) {
1469                 while (isspace(*p))
1470                         p++;
1471                 word = strsep(&p, " ");
1472                 if (!*word)
1473                         break;
1474
1475                 if (!strncmp(word, "qid=", 4)) {
1476                         end = (char *)word + 4;
1477                         ret = kstrtouint(end, 10, &j);
1478                         if (ret)
1479                                 goto out;
1480                         if (!adap->trace_rss) {
1481                                 t4_write_reg(adap, MPS_T5_TRC_RSS_CONTROL_A, j);
1482                                 continue;
1483                         }
1484
1485                         switch (trcidx) {
1486                         case 0:
1487                                 t4_write_reg(adap, MPS_TRC_RSS_CONTROL_A, j);
1488                                 break;
1489                         case 1:
1490                                 t4_write_reg(adap,
1491                                              MPS_TRC_FILTER1_RSS_CONTROL_A, j);
1492                                 break;
1493                         case 2:
1494                                 t4_write_reg(adap,
1495                                              MPS_TRC_FILTER2_RSS_CONTROL_A, j);
1496                                 break;
1497                         case 3:
1498                                 t4_write_reg(adap,
1499                                              MPS_TRC_FILTER3_RSS_CONTROL_A, j);
1500                                 break;
1501                         }
1502                         continue;
1503                 }
1504                 if (!strncmp(word, "snaplen=", 8)) {
1505                         end = (char *)word + 8;
1506                         ret = kstrtouint(end, 10, &j);
1507                         if (ret || j > 9600) {
1508 inval:                          count = -EINVAL;
1509                                 goto out;
1510                         }
1511                         tp.snap_len = j;
1512                         continue;
1513                 }
1514                 if (!strncmp(word, "minlen=", 7)) {
1515                         end = (char *)word + 7;
1516                         ret = kstrtouint(end, 10, &j);
1517                         if (ret || j > TFMINPKTSIZE_M)
1518                                 goto inval;
1519                         tp.min_len = j;
1520                         continue;
1521                 }
1522                 if (!strcmp(word, "not")) {
1523                         tp.invert = !tp.invert;
1524                         continue;
1525                 }
1526                 if (!strncmp(word, "loopback", 8) && tp.port == TRC_PORT_NONE) {
1527                         if (word[8] < '0' || word[8] > '3' || word[9])
1528                                 goto inval;
1529                         tp.port = word[8] - '0' + 8;
1530                         continue;
1531                 }
1532                 if (!strncmp(word, "tx", 2) && tp.port == TRC_PORT_NONE) {
1533                         if (word[2] < '0' || word[2] > '3' || word[3])
1534                                 goto inval;
1535                         tp.port = word[2] - '0' + 4;
1536                         if (adap->chan_map[tp.port & 3] >= MAX_NPORTS)
1537                                 goto inval;
1538                         continue;
1539                 }
1540                 if (!strncmp(word, "rx", 2) && tp.port == TRC_PORT_NONE) {
1541                         if (word[2] < '0' || word[2] > '3' || word[3])
1542                                 goto inval;
1543                         tp.port = word[2] - '0';
1544                         if (adap->chan_map[tp.port] >= MAX_NPORTS)
1545                                 goto inval;
1546                         continue;
1547                 }
1548                 if (!isxdigit(*word))
1549                         goto inval;
1550
1551                 /* we have found a trace pattern */
1552                 if (i) {                            /* split pattern */
1553                         if (tp.skip_len)            /* too many splits */
1554                                 goto inval;
1555                         tp.skip_ofst = i / 16;
1556                 }
1557
1558                 data = &tp.data[i / 8];
1559                 mask = &tp.mask[i / 8];
1560                 j = i;
1561
1562                 while (isxdigit(*word)) {
1563                         if (i >= TRACE_LEN * 2) {
1564                                 count = -EFBIG;
1565                                 goto out;
1566                         }
1567                         *data = (*data << 4) + xdigit2int(*word++);
1568                         if (++i % 8 == 0)
1569                                 data++;
1570                 }
1571                 if (*word == '/') {
1572                         word++;
1573                         while (isxdigit(*word)) {
1574                                 if (j >= i)         /* mask longer than data */
1575                                         goto inval;
1576                                 *mask = (*mask << 4) + xdigit2int(*word++);
1577                                 if (++j % 8 == 0)
1578                                         mask++;
1579                         }
1580                         if (i != j)                 /* mask shorter than data */
1581                                 goto inval;
1582                 } else {                            /* no mask, use all 1s */
1583                         for ( ; i - j >= 8; j += 8)
1584                                 *mask++ = 0xffffffff;
1585                         if (i % 8)
1586                                 *mask = (1 << (i % 8) * 4) - 1;
1587                 }
1588                 if (*word == '@') {
1589                         end = (char *)word + 1;
1590                         ret = kstrtouint(end, 10, &j);
1591                         if (*end && *end != '\n')
1592                                 goto inval;
1593                         if (j & 7)          /* doesn't start at multiple of 8 */
1594                                 goto inval;
1595                         j /= 8;
1596                         if (j < tp.skip_ofst)     /* overlaps earlier pattern */
1597                                 goto inval;
1598                         if (j - tp.skip_ofst > 31)            /* skip too big */
1599                                 goto inval;
1600                         tp.skip_len = j - tp.skip_ofst;
1601                 }
1602                 if (i % 8) {
1603                         *data <<= (8 - i % 8) * 4;
1604                         *mask <<= (8 - i % 8) * 4;
1605                         i = (i + 15) & ~15;         /* 8-byte align */
1606                 }
1607         }
1608
1609         if (tp.port == TRC_PORT_NONE)
1610                 goto inval;
1611
1612 apply:
1613         i = t4_set_trace_filter(adap, &tp, trcidx, enable);
1614         if (i)
1615                 count = i;
1616 out:
1617         kfree(s);
1618         return count;
1619 }
1620
1621 static const struct file_operations mps_trc_debugfs_fops = {
1622         .owner   = THIS_MODULE,
1623         .open    = mps_trc_open,
1624         .read    = seq_read,
1625         .llseek  = seq_lseek,
1626         .release = single_release,
1627         .write   = mps_trc_write
1628 };
1629
1630 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1631                           loff_t *ppos)
1632 {
1633         loff_t pos = *ppos;
1634         loff_t avail = file_inode(file)->i_size;
1635         struct adapter *adap = file->private_data;
1636
1637         if (pos < 0)
1638                 return -EINVAL;
1639         if (pos >= avail)
1640                 return 0;
1641         if (count > avail - pos)
1642                 count = avail - pos;
1643
1644         while (count) {
1645                 size_t len;
1646                 int ret, ofst;
1647                 u8 data[256];
1648
1649                 ofst = pos & 3;
1650                 len = min(count + ofst, sizeof(data));
1651                 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1652                                     (u32 *)data, 1);
1653                 if (ret)
1654                         return ret;
1655
1656                 len -= ofst;
1657                 if (copy_to_user(buf, data + ofst, len))
1658                         return -EFAULT;
1659
1660                 buf += len;
1661                 pos += len;
1662                 count -= len;
1663         }
1664         count = pos - *ppos;
1665         *ppos = pos;
1666         return count;
1667 }
1668
1669 static const struct file_operations flash_debugfs_fops = {
1670         .owner   = THIS_MODULE,
1671         .open    = mem_open,
1672         .read    = flash_read,
1673         .llseek  = default_llseek,
1674 };
1675
1676 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1677 {
1678         *mask = x | y;
1679         y = (__force u64)cpu_to_be64(y);
1680         memcpy(addr, (char *)&y + 2, ETH_ALEN);
1681 }
1682
1683 static int mps_tcam_show(struct seq_file *seq, void *v)
1684 {
1685         struct adapter *adap = seq->private;
1686         unsigned int chip_ver = CHELSIO_CHIP_VERSION(adap->params.chip);
1687         if (v == SEQ_START_TOKEN) {
1688                 if (chip_ver > CHELSIO_T5) {
1689                         seq_puts(seq, "Idx  Ethernet address     Mask     "
1690                                  "  VNI   Mask   IVLAN Vld "
1691                                  "DIP_Hit   Lookup  Port "
1692                                  "Vld Ports PF  VF                           "
1693                                  "Replication                                "
1694                                  "    P0 P1 P2 P3  ML\n");
1695                 } else {
1696                         if (adap->params.arch.mps_rplc_size > 128)
1697                                 seq_puts(seq, "Idx  Ethernet address     Mask     "
1698                                          "Vld Ports PF  VF                           "
1699                                          "Replication                                "
1700                                          "    P0 P1 P2 P3  ML\n");
1701                         else
1702                                 seq_puts(seq, "Idx  Ethernet address     Mask     "
1703                                          "Vld Ports PF  VF              Replication"
1704                                          "               P0 P1 P2 P3  ML\n");
1705                 }
1706         } else {
1707                 u64 mask;
1708                 u8 addr[ETH_ALEN];
1709                 bool replicate, dip_hit = false, vlan_vld = false;
1710                 unsigned int idx = (uintptr_t)v - 2;
1711                 u64 tcamy, tcamx, val;
1712                 u32 cls_lo, cls_hi, ctl, data2, vnix = 0, vniy = 0;
1713                 u32 rplc[8] = {0};
1714                 u8 lookup_type = 0, port_num = 0;
1715                 u16 ivlan = 0;
1716
1717                 if (chip_ver > CHELSIO_T5) {
1718                         /* CtlCmdType - 0: Read, 1: Write
1719                          * CtlTcamSel - 0: TCAM0, 1: TCAM1
1720                          * CtlXYBitSel- 0: Y bit, 1: X bit
1721                          */
1722
1723                         /* Read tcamy */
1724                         ctl = CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0);
1725                         if (idx < 256)
1726                                 ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0);
1727                         else
1728                                 ctl |= CTLTCAMINDEX_V(idx - 256) |
1729                                        CTLTCAMSEL_V(1);
1730                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1731                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1732                         tcamy = DMACH_G(val) << 32;
1733                         tcamy |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1734                         data2 = t4_read_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A);
1735                         lookup_type = DATALKPTYPE_G(data2);
1736                         /* 0 - Outer header, 1 - Inner header
1737                          * [71:48] bit locations are overloaded for
1738                          * outer vs. inner lookup types.
1739                          */
1740                         if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1741                                 /* Inner header VNI */
1742                                 vniy = ((data2 & DATAVIDH2_F) << 23) |
1743                                        (DATAVIDH1_G(data2) << 16) | VIDL_G(val);
1744                                 dip_hit = data2 & DATADIPHIT_F;
1745                         } else {
1746                                 vlan_vld = data2 & DATAVIDH2_F;
1747                                 ivlan = VIDL_G(val);
1748                         }
1749                         port_num = DATAPORTNUM_G(data2);
1750
1751                         /* Read tcamx. Change the control param */
1752                         ctl |= CTLXYBITSEL_V(1);
1753                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1754                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1755                         tcamx = DMACH_G(val) << 32;
1756                         tcamx |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1757                         data2 = t4_read_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A);
1758                         if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1759                                 /* Inner header VNI mask */
1760                                 vnix = ((data2 & DATAVIDH2_F) << 23) |
1761                                        (DATAVIDH1_G(data2) << 16) | VIDL_G(val);
1762                         }
1763                 } else {
1764                         tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1765                         tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1766                 }
1767
1768                 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1769                 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1770
1771                 if (tcamx & tcamy) {
1772                         seq_printf(seq, "%3u         -\n", idx);
1773                         goto out;
1774                 }
1775
1776                 rplc[0] = rplc[1] = rplc[2] = rplc[3] = 0;
1777                 if (chip_ver > CHELSIO_T5)
1778                         replicate = (cls_lo & T6_REPLICATE_F);
1779                 else
1780                         replicate = (cls_lo & REPLICATE_F);
1781
1782                 if (replicate) {
1783                         struct fw_ldst_cmd ldst_cmd;
1784                         int ret;
1785                         struct fw_ldst_mps_rplc mps_rplc;
1786                         u32 ldst_addrspc;
1787
1788                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1789                         ldst_addrspc =
1790                                 FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS);
1791                         ldst_cmd.op_to_addrspace =
1792                                 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1793                                       FW_CMD_REQUEST_F |
1794                                       FW_CMD_READ_F |
1795                                       ldst_addrspc);
1796                         ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1797                         ldst_cmd.u.mps.rplc.fid_idx =
1798                                 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1799                                       FW_LDST_CMD_IDX_V(idx));
1800                         ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1801                                          sizeof(ldst_cmd), &ldst_cmd);
1802                         if (ret)
1803                                 dev_warn(adap->pdev_dev, "Can't read MPS "
1804                                          "replication map for idx %d: %d\n",
1805                                          idx, -ret);
1806                         else {
1807                                 mps_rplc = ldst_cmd.u.mps.rplc;
1808                                 rplc[0] = ntohl(mps_rplc.rplc31_0);
1809                                 rplc[1] = ntohl(mps_rplc.rplc63_32);
1810                                 rplc[2] = ntohl(mps_rplc.rplc95_64);
1811                                 rplc[3] = ntohl(mps_rplc.rplc127_96);
1812                                 if (adap->params.arch.mps_rplc_size > 128) {
1813                                         rplc[4] = ntohl(mps_rplc.rplc159_128);
1814                                         rplc[5] = ntohl(mps_rplc.rplc191_160);
1815                                         rplc[6] = ntohl(mps_rplc.rplc223_192);
1816                                         rplc[7] = ntohl(mps_rplc.rplc255_224);
1817                                 }
1818                         }
1819                 }
1820
1821                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1822                 if (chip_ver > CHELSIO_T5) {
1823                         /* Inner header lookup */
1824                         if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1825                                 seq_printf(seq,
1826                                            "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1827                                            "%012llx %06x %06x    -    -   %3c"
1828                                            "      'I'  %4x   "
1829                                            "%3c   %#x%4u%4d", idx, addr[0],
1830                                            addr[1], addr[2], addr[3],
1831                                            addr[4], addr[5],
1832                                            (unsigned long long)mask,
1833                                            vniy, vnix, dip_hit ? 'Y' : 'N',
1834                                            port_num,
1835                                            (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1836                                            PORTMAP_G(cls_hi),
1837                                            T6_PF_G(cls_lo),
1838                                            (cls_lo & T6_VF_VALID_F) ?
1839                                            T6_VF_G(cls_lo) : -1);
1840                         } else {
1841                                 seq_printf(seq,
1842                                            "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1843                                            "%012llx    -       -   ",
1844                                            idx, addr[0], addr[1], addr[2],
1845                                            addr[3], addr[4], addr[5],
1846                                            (unsigned long long)mask);
1847
1848                                 if (vlan_vld)
1849                                         seq_printf(seq, "%4u   Y     ", ivlan);
1850                                 else
1851                                         seq_puts(seq, "  -    N     ");
1852
1853                                 seq_printf(seq,
1854                                            "-      %3c  %4x   %3c   %#x%4u%4d",
1855                                            lookup_type ? 'I' : 'O', port_num,
1856                                            (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1857                                            PORTMAP_G(cls_hi),
1858                                            T6_PF_G(cls_lo),
1859                                            (cls_lo & T6_VF_VALID_F) ?
1860                                            T6_VF_G(cls_lo) : -1);
1861                         }
1862                 } else
1863                         seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1864                                    "%012llx%3c   %#x%4u%4d",
1865                                    idx, addr[0], addr[1], addr[2], addr[3],
1866                                    addr[4], addr[5], (unsigned long long)mask,
1867                                    (cls_lo & SRAM_VLD_F) ? 'Y' : 'N',
1868                                    PORTMAP_G(cls_hi),
1869                                    PF_G(cls_lo),
1870                                    (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1871
1872                 if (replicate) {
1873                         if (adap->params.arch.mps_rplc_size > 128)
1874                                 seq_printf(seq, " %08x %08x %08x %08x "
1875                                            "%08x %08x %08x %08x",
1876                                            rplc[7], rplc[6], rplc[5], rplc[4],
1877                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1878                         else
1879                                 seq_printf(seq, " %08x %08x %08x %08x",
1880                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1881                 } else {
1882                         if (adap->params.arch.mps_rplc_size > 128)
1883                                 seq_printf(seq, "%72c", ' ');
1884                         else
1885                                 seq_printf(seq, "%36c", ' ');
1886                 }
1887
1888                 if (chip_ver > CHELSIO_T5)
1889                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1890                                    T6_SRAM_PRIO0_G(cls_lo),
1891                                    T6_SRAM_PRIO1_G(cls_lo),
1892                                    T6_SRAM_PRIO2_G(cls_lo),
1893                                    T6_SRAM_PRIO3_G(cls_lo),
1894                                    (cls_lo >> T6_MULTILISTEN0_S) & 0xf);
1895                 else
1896                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1897                                    SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1898                                    SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1899                                    (cls_lo >> MULTILISTEN0_S) & 0xf);
1900         }
1901 out:    return 0;
1902 }
1903
1904 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1905 {
1906         struct adapter *adap = seq->private;
1907         int max_mac_addr = is_t4(adap->params.chip) ?
1908                                 NUM_MPS_CLS_SRAM_L_INSTANCES :
1909                                 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1910         return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1911 }
1912
1913 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1914 {
1915         return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1916 }
1917
1918 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1919 {
1920         ++*pos;
1921         return mps_tcam_get_idx(seq, *pos);
1922 }
1923
1924 static void mps_tcam_stop(struct seq_file *seq, void *v)
1925 {
1926 }
1927
1928 static const struct seq_operations mps_tcam_seq_ops = {
1929         .start = mps_tcam_start,
1930         .next  = mps_tcam_next,
1931         .stop  = mps_tcam_stop,
1932         .show  = mps_tcam_show
1933 };
1934
1935 static int mps_tcam_open(struct inode *inode, struct file *file)
1936 {
1937         int res = seq_open(file, &mps_tcam_seq_ops);
1938
1939         if (!res) {
1940                 struct seq_file *seq = file->private_data;
1941
1942                 seq->private = inode->i_private;
1943         }
1944         return res;
1945 }
1946
1947 static const struct file_operations mps_tcam_debugfs_fops = {
1948         .owner   = THIS_MODULE,
1949         .open    = mps_tcam_open,
1950         .read    = seq_read,
1951         .llseek  = seq_lseek,
1952         .release = seq_release,
1953 };
1954
1955 /* Display various sensor information.
1956  */
1957 static int sensors_show(struct seq_file *seq, void *v)
1958 {
1959         struct adapter *adap = seq->private;
1960         u32 param[7], val[7];
1961         int ret;
1962
1963         /* Note that if the sensors haven't been initialized and turned on
1964          * we'll get values of 0, so treat those as "<unknown>" ...
1965          */
1966         param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1967                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1968                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1969         param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1970                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1971                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1972         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
1973                               param, val);
1974
1975         if (ret < 0 || val[0] == 0)
1976                 seq_puts(seq, "Temperature: <unknown>\n");
1977         else
1978                 seq_printf(seq, "Temperature: %dC\n", val[0]);
1979
1980         if (ret < 0 || val[1] == 0)
1981                 seq_puts(seq, "Core VDD:    <unknown>\n");
1982         else
1983                 seq_printf(seq, "Core VDD:    %dmV\n", val[1]);
1984
1985         return 0;
1986 }
1987
1988 DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1989
1990 #if IS_ENABLED(CONFIG_IPV6)
1991 static int clip_tbl_open(struct inode *inode, struct file *file)
1992 {
1993         return single_open(file, clip_tbl_show, inode->i_private);
1994 }
1995
1996 static const struct file_operations clip_tbl_debugfs_fops = {
1997         .owner   = THIS_MODULE,
1998         .open    = clip_tbl_open,
1999         .read    = seq_read,
2000         .llseek  = seq_lseek,
2001         .release = single_release
2002 };
2003 #endif
2004
2005 /*RSS Table.
2006  */
2007
2008 static int rss_show(struct seq_file *seq, void *v, int idx)
2009 {
2010         u16 *entry = v;
2011
2012         seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
2013                    idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
2014                    entry[5], entry[6], entry[7]);
2015         return 0;
2016 }
2017
2018 static int rss_open(struct inode *inode, struct file *file)
2019 {
2020         int ret;
2021         struct seq_tab *p;
2022         struct adapter *adap = inode->i_private;
2023
2024         p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
2025         if (!p)
2026                 return -ENOMEM;
2027
2028         ret = t4_read_rss(adap, (u16 *)p->data);
2029         if (ret)
2030                 seq_release_private(inode, file);
2031
2032         return ret;
2033 }
2034
2035 static const struct file_operations rss_debugfs_fops = {
2036         .owner   = THIS_MODULE,
2037         .open    = rss_open,
2038         .read    = seq_read,
2039         .llseek  = seq_lseek,
2040         .release = seq_release_private
2041 };
2042
2043 /* RSS Configuration.
2044  */
2045
2046 /* Small utility function to return the strings "yes" or "no" if the supplied
2047  * argument is non-zero.
2048  */
2049 static const char *yesno(int x)
2050 {
2051         static const char *yes = "yes";
2052         static const char *no = "no";
2053
2054         return x ? yes : no;
2055 }
2056
2057 static int rss_config_show(struct seq_file *seq, void *v)
2058 {
2059         struct adapter *adapter = seq->private;
2060         static const char * const keymode[] = {
2061                 "global",
2062                 "global and per-VF scramble",
2063                 "per-PF and per-VF scramble",
2064                 "per-VF and per-VF scramble",
2065         };
2066         u32 rssconf;
2067
2068         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
2069         seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
2070         seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
2071                                                         TNL4TUPENIPV6_F));
2072         seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
2073                                                         TNL2TUPENIPV6_F));
2074         seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
2075                                                         TNL4TUPENIPV4_F));
2076         seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
2077                                                         TNL2TUPENIPV4_F));
2078         seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
2079         seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
2080         seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
2081         seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
2082         seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
2083                                                         OFDHASHSAVE_F));
2084         seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
2085         seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
2086         seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
2087         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
2088                                                         SYN4TUPENIPV6_F));
2089         seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
2090                                                         SYN2TUPENIPV6_F));
2091         seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
2092                                                         SYN4TUPENIPV4_F));
2093         seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
2094                                                         SYN2TUPENIPV4_F));
2095         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
2096                                                         SYN4TUPENIPV6_F));
2097         seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
2098         seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
2099         seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
2100         seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
2101         seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
2102                                                         CHANNELENABLE_F));
2103         seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
2104                                                         PORTENABLE_F));
2105         seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
2106                                                         TNLALLLOOKUP_F));
2107         seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
2108                                                         VIRTENABLE_F));
2109         seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
2110                                                         CONGESTIONENABLE_F));
2111         seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
2112                                                         HASHTOEPLITZ_F));
2113         seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
2114         seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
2115
2116         seq_puts(seq, "\n");
2117
2118         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
2119         seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
2120         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2121         seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
2122         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
2123                 seq_printf(seq, "  HashAll:     %3s\n",
2124                            yesno(rssconf & HASHALL_F));
2125                 seq_printf(seq, "  HashEth:     %3s\n",
2126                            yesno(rssconf & HASHETH_F));
2127         }
2128         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
2129
2130         seq_puts(seq, "\n");
2131
2132         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
2133         seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
2134         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2135         seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
2136                                                         RRCPLMAPEN_F));
2137         seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
2138
2139         seq_puts(seq, "\n");
2140
2141         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
2142         seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
2143         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2144         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
2145
2146         seq_puts(seq, "\n");
2147
2148         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
2149         seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
2150         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
2151                 seq_printf(seq, "  KeyWrAddrX:     %3d\n",
2152                            KEYWRADDRX_G(rssconf));
2153                 seq_printf(seq, "  KeyExtend:      %3s\n",
2154                            yesno(rssconf & KEYEXTEND_F));
2155         }
2156         seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
2157         seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
2158         seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
2159         seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
2160         seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
2161                                                         DISABLEVLAN_F));
2162         seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
2163         seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
2164         if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
2165                 seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
2166         else
2167                 seq_printf(seq, "  VfWrAddr:      %3d\n",
2168                            T6_VFWRADDR_G(rssconf));
2169         seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
2170         seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
2171         seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
2172         seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
2173
2174         seq_puts(seq, "\n");
2175
2176         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
2177         seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
2178         seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
2179         seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
2180         seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
2181         seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
2182         seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
2183                                                         CHNUNDFLOW3_F));
2184         seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
2185                                                         CHNUNDFLOW2_F));
2186         seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
2187                                                         CHNUNDFLOW1_F));
2188         seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
2189                                                         CHNUNDFLOW0_F));
2190         seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
2191         seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
2192         seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
2193         seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
2194         seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
2195         seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
2196         seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
2197         seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
2198         seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
2199         seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
2200         seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
2201
2202         return 0;
2203 }
2204
2205 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
2206
2207 /* RSS Secret Key.
2208  */
2209
2210 static int rss_key_show(struct seq_file *seq, void *v)
2211 {
2212         u32 key[10];
2213
2214         t4_read_rss_key(seq->private, key);
2215         seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
2216                    key[9], key[8], key[7], key[6], key[5], key[4], key[3],
2217                    key[2], key[1], key[0]);
2218         return 0;
2219 }
2220
2221 static int rss_key_open(struct inode *inode, struct file *file)
2222 {
2223         return single_open(file, rss_key_show, inode->i_private);
2224 }
2225
2226 static ssize_t rss_key_write(struct file *file, const char __user *buf,
2227                              size_t count, loff_t *pos)
2228 {
2229         int i, j;
2230         u32 key[10];
2231         char s[100], *p;
2232         struct adapter *adap = file_inode(file)->i_private;
2233
2234         if (count > sizeof(s) - 1)
2235                 return -EINVAL;
2236         if (copy_from_user(s, buf, count))
2237                 return -EFAULT;
2238         for (i = count; i > 0 && isspace(s[i - 1]); i--)
2239                 ;
2240         s[i] = '\0';
2241
2242         for (p = s, i = 9; i >= 0; i--) {
2243                 key[i] = 0;
2244                 for (j = 0; j < 8; j++, p++) {
2245                         if (!isxdigit(*p))
2246                                 return -EINVAL;
2247                         key[i] = (key[i] << 4) | hex2val(*p);
2248                 }
2249         }
2250
2251         t4_write_rss_key(adap, key, -1);
2252         return count;
2253 }
2254
2255 static const struct file_operations rss_key_debugfs_fops = {
2256         .owner   = THIS_MODULE,
2257         .open    = rss_key_open,
2258         .read    = seq_read,
2259         .llseek  = seq_lseek,
2260         .release = single_release,
2261         .write   = rss_key_write
2262 };
2263
2264 /* PF RSS Configuration.
2265  */
2266
2267 struct rss_pf_conf {
2268         u32 rss_pf_map;
2269         u32 rss_pf_mask;
2270         u32 rss_pf_config;
2271 };
2272
2273 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
2274 {
2275         struct rss_pf_conf *pfconf;
2276
2277         if (v == SEQ_START_TOKEN) {
2278                 /* use the 0th entry to dump the PF Map Index Size */
2279                 pfconf = seq->private + offsetof(struct seq_tab, data);
2280                 seq_printf(seq, "PF Map Index Size = %d\n\n",
2281                            LKPIDXSIZE_G(pfconf->rss_pf_map));
2282
2283                 seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
2284                 seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
2285                 seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
2286         } else {
2287                 #define G_PFnLKPIDX(map, n) \
2288                         (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
2289                 #define G_PFnMSKSIZE(mask, n) \
2290                         (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
2291
2292                 pfconf = v;
2293                 seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
2294                            idx,
2295                            yesno(pfconf->rss_pf_config & MAPENABLE_F),
2296                            yesno(pfconf->rss_pf_config & CHNENABLE_F),
2297                            yesno(pfconf->rss_pf_config & PRTENABLE_F),
2298                            G_PFnLKPIDX(pfconf->rss_pf_map, idx),
2299                            G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
2300                            IVFWIDTH_G(pfconf->rss_pf_config),
2301                            yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
2302                            yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
2303                            yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
2304                            yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
2305                            yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
2306                            CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
2307                            CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
2308
2309                 #undef G_PFnLKPIDX
2310                 #undef G_PFnMSKSIZE
2311         }
2312         return 0;
2313 }
2314
2315 static int rss_pf_config_open(struct inode *inode, struct file *file)
2316 {
2317         struct adapter *adapter = inode->i_private;
2318         struct seq_tab *p;
2319         u32 rss_pf_map, rss_pf_mask;
2320         struct rss_pf_conf *pfconf;
2321         int pf;
2322
2323         p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
2324         if (!p)
2325                 return -ENOMEM;
2326
2327         pfconf = (struct rss_pf_conf *)p->data;
2328         rss_pf_map = t4_read_rss_pf_map(adapter);
2329         rss_pf_mask = t4_read_rss_pf_mask(adapter);
2330         for (pf = 0; pf < 8; pf++) {
2331                 pfconf[pf].rss_pf_map = rss_pf_map;
2332                 pfconf[pf].rss_pf_mask = rss_pf_mask;
2333                 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
2334         }
2335         return 0;
2336 }
2337
2338 static const struct file_operations rss_pf_config_debugfs_fops = {
2339         .owner   = THIS_MODULE,
2340         .open    = rss_pf_config_open,
2341         .read    = seq_read,
2342         .llseek  = seq_lseek,
2343         .release = seq_release_private
2344 };
2345
2346 /* VF RSS Configuration.
2347  */
2348
2349 struct rss_vf_conf {
2350         u32 rss_vf_vfl;
2351         u32 rss_vf_vfh;
2352 };
2353
2354 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
2355 {
2356         if (v == SEQ_START_TOKEN) {
2357                 seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
2358                 seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
2359                 seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
2360         } else {
2361                 struct rss_vf_conf *vfconf = v;
2362
2363                 seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
2364                            idx,
2365                            yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
2366                            yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
2367                            VFLKPIDX_G(vfconf->rss_vf_vfh),
2368                            yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
2369                            yesno(vfconf->rss_vf_vfh & VFUPEN_F),
2370                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2371                            yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
2372                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2373                            yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
2374                            yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
2375                            DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
2376                            KEYINDEX_G(vfconf->rss_vf_vfh),
2377                            vfconf->rss_vf_vfl);
2378         }
2379         return 0;
2380 }
2381
2382 static int rss_vf_config_open(struct inode *inode, struct file *file)
2383 {
2384         struct adapter *adapter = inode->i_private;
2385         struct seq_tab *p;
2386         struct rss_vf_conf *vfconf;
2387         int vf, vfcount = adapter->params.arch.vfcount;
2388
2389         p = seq_open_tab(file, vfcount, sizeof(*vfconf), 1, rss_vf_config_show);
2390         if (!p)
2391                 return -ENOMEM;
2392
2393         vfconf = (struct rss_vf_conf *)p->data;
2394         for (vf = 0; vf < vfcount; vf++) {
2395                 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
2396                                       &vfconf[vf].rss_vf_vfh);
2397         }
2398         return 0;
2399 }
2400
2401 static const struct file_operations rss_vf_config_debugfs_fops = {
2402         .owner   = THIS_MODULE,
2403         .open    = rss_vf_config_open,
2404         .read    = seq_read,
2405         .llseek  = seq_lseek,
2406         .release = seq_release_private
2407 };
2408
2409 /**
2410  * ethqset2pinfo - return port_info of an Ethernet Queue Set
2411  * @adap: the adapter
2412  * @qset: Ethernet Queue Set
2413  */
2414 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
2415 {
2416         int pidx;
2417
2418         for_each_port(adap, pidx) {
2419                 struct port_info *pi = adap2pinfo(adap, pidx);
2420
2421                 if (qset >= pi->first_qset &&
2422                     qset < pi->first_qset + pi->nqsets)
2423                         return pi;
2424         }
2425
2426         /* should never happen! */
2427         BUG_ON(1);
2428         return NULL;
2429 }
2430
2431 static int sge_qinfo_show(struct seq_file *seq, void *v)
2432 {
2433         struct adapter *adap = seq->private;
2434         int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
2435         int ofld_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
2436         int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
2437         int i, r = (uintptr_t)v - 1;
2438         int ofld_idx = r - eth_entries;
2439         int ctrl_idx =  ofld_idx - ofld_entries;
2440         int fq_idx =  ctrl_idx - ctrl_entries;
2441
2442         if (r)
2443                 seq_putc(seq, '\n');
2444
2445 #define S3(fmt_spec, s, v) \
2446 do { \
2447         seq_printf(seq, "%-12s", s); \
2448         for (i = 0; i < n; ++i) \
2449                 seq_printf(seq, " %16" fmt_spec, v); \
2450                 seq_putc(seq, '\n'); \
2451 } while (0)
2452 #define S(s, v) S3("s", s, v)
2453 #define T3(fmt_spec, s, v) S3(fmt_spec, s, tx[i].v)
2454 #define T(s, v) S3("u", s, tx[i].v)
2455 #define TL(s, v) T3("lu", s, v)
2456 #define R3(fmt_spec, s, v) S3(fmt_spec, s, rx[i].v)
2457 #define R(s, v) S3("u", s, rx[i].v)
2458 #define RL(s, v) R3("lu", s, v)
2459
2460         if (r < eth_entries) {
2461                 int base_qset = r * 4;
2462                 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
2463                 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
2464                 int n = min(4, adap->sge.ethqsets - 4 * r);
2465
2466                 S("QType:", "Ethernet");
2467                 S("Interface:",
2468                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2469                 T("TxQ ID:", q.cntxt_id);
2470                 T("TxQ size:", q.size);
2471                 T("TxQ inuse:", q.in_use);
2472                 T("TxQ CIDX:", q.cidx);
2473                 T("TxQ PIDX:", q.pidx);
2474 #ifdef CONFIG_CHELSIO_T4_DCB
2475                 T("DCB Prio:", dcb_prio);
2476                 S3("u", "DCB PGID:",
2477                    (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
2478                     4*(7-tx[i].dcb_prio)) & 0xf);
2479                 S3("u", "DCB PFC:",
2480                    (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
2481                     1*(7-tx[i].dcb_prio)) & 0x1);
2482 #endif
2483                 R("RspQ ID:", rspq.abs_id);
2484                 R("RspQ size:", rspq.size);
2485                 R("RspQE size:", rspq.iqe_len);
2486                 R("RspQ CIDX:", rspq.cidx);
2487                 R("RspQ Gen:", rspq.gen);
2488                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2489                 S3("u", "Intr pktcnt:",
2490                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2491                 R("FL ID:", fl.cntxt_id);
2492                 R("FL size:", fl.size - 8);
2493                 R("FL pend:", fl.pend_cred);
2494                 R("FL avail:", fl.avail);
2495                 R("FL PIDX:", fl.pidx);
2496                 R("FL CIDX:", fl.cidx);
2497                 RL("RxPackets:", stats.pkts);
2498                 RL("RxCSO:", stats.rx_cso);
2499                 RL("VLANxtract:", stats.vlan_ex);
2500                 RL("LROmerged:", stats.lro_merged);
2501                 RL("LROpackets:", stats.lro_pkts);
2502                 RL("RxDrops:", stats.rx_drops);
2503                 TL("TSO:", tso);
2504                 TL("TxCSO:", tx_cso);
2505                 TL("VLANins:", vlan_ins);
2506                 TL("TxQFull:", q.stops);
2507                 TL("TxQRestarts:", q.restarts);
2508                 TL("TxMapErr:", mapping_err);
2509                 RL("FLAllocErr:", fl.alloc_failed);
2510                 RL("FLLrgAlcErr:", fl.large_alloc_failed);
2511                 RL("FLMapErr:", fl.mapping_err);
2512                 RL("FLLow:", fl.low);
2513                 RL("FLStarving:", fl.starving);
2514
2515         } else if (ofld_idx < ofld_entries) {
2516                 const struct sge_ofld_txq *tx =
2517                         &adap->sge.ofldtxq[ofld_idx * 4];
2518                 int n = min(4, adap->sge.ofldqsets - 4 * ofld_idx);
2519
2520                 S("QType:", "OFLD-Txq");
2521                 T("TxQ ID:", q.cntxt_id);
2522                 T("TxQ size:", q.size);
2523                 T("TxQ inuse:", q.in_use);
2524                 T("TxQ CIDX:", q.cidx);
2525                 T("TxQ PIDX:", q.pidx);
2526
2527         } else if (ctrl_idx < ctrl_entries) {
2528                 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
2529                 int n = min(4, adap->params.nports - 4 * ctrl_idx);
2530
2531                 S("QType:", "Control");
2532                 T("TxQ ID:", q.cntxt_id);
2533                 T("TxQ size:", q.size);
2534                 T("TxQ inuse:", q.in_use);
2535                 T("TxQ CIDX:", q.cidx);
2536                 T("TxQ PIDX:", q.pidx);
2537                 TL("TxQFull:", q.stops);
2538                 TL("TxQRestarts:", q.restarts);
2539         } else if (fq_idx == 0) {
2540                 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
2541
2542                 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
2543                 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
2544                 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
2545                 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
2546                 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
2547                 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
2548                 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
2549                            qtimer_val(adap, evtq));
2550                 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
2551                            adap->sge.counter_val[evtq->pktcnt_idx]);
2552         }
2553 #undef R
2554 #undef RL
2555 #undef T
2556 #undef TL
2557 #undef S
2558 #undef R3
2559 #undef T3
2560 #undef S3
2561         return 0;
2562 }
2563
2564 static int sge_queue_entries(const struct adapter *adap)
2565 {
2566         return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
2567                DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
2568                DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
2569 }
2570
2571 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
2572 {
2573         int entries = sge_queue_entries(seq->private);
2574
2575         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2576 }
2577
2578 static void sge_queue_stop(struct seq_file *seq, void *v)
2579 {
2580 }
2581
2582 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
2583 {
2584         int entries = sge_queue_entries(seq->private);
2585
2586         ++*pos;
2587         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2588 }
2589
2590 static const struct seq_operations sge_qinfo_seq_ops = {
2591         .start = sge_queue_start,
2592         .next  = sge_queue_next,
2593         .stop  = sge_queue_stop,
2594         .show  = sge_qinfo_show
2595 };
2596
2597 static int sge_qinfo_open(struct inode *inode, struct file *file)
2598 {
2599         int res = seq_open(file, &sge_qinfo_seq_ops);
2600
2601         if (!res) {
2602                 struct seq_file *seq = file->private_data;
2603
2604                 seq->private = inode->i_private;
2605         }
2606         return res;
2607 }
2608
2609 static const struct file_operations sge_qinfo_debugfs_fops = {
2610         .owner   = THIS_MODULE,
2611         .open    = sge_qinfo_open,
2612         .read    = seq_read,
2613         .llseek  = seq_lseek,
2614         .release = seq_release,
2615 };
2616
2617 int mem_open(struct inode *inode, struct file *file)
2618 {
2619         unsigned int mem;
2620         struct adapter *adap;
2621
2622         file->private_data = inode->i_private;
2623
2624         mem = (uintptr_t)file->private_data & 0x3;
2625         adap = file->private_data - mem;
2626
2627         (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
2628
2629         return 0;
2630 }
2631
2632 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
2633                         loff_t *ppos)
2634 {
2635         loff_t pos = *ppos;
2636         loff_t avail = file_inode(file)->i_size;
2637         unsigned int mem = (uintptr_t)file->private_data & 3;
2638         struct adapter *adap = file->private_data - mem;
2639         __be32 *data;
2640         int ret;
2641
2642         if (pos < 0)
2643                 return -EINVAL;
2644         if (pos >= avail)
2645                 return 0;
2646         if (count > avail - pos)
2647                 count = avail - pos;
2648
2649         data = t4_alloc_mem(count);
2650         if (!data)
2651                 return -ENOMEM;
2652
2653         spin_lock(&adap->win0_lock);
2654         ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
2655         spin_unlock(&adap->win0_lock);
2656         if (ret) {
2657                 t4_free_mem(data);
2658                 return ret;
2659         }
2660         ret = copy_to_user(buf, data, count);
2661
2662         t4_free_mem(data);
2663         if (ret)
2664                 return -EFAULT;
2665
2666         *ppos = pos + count;
2667         return count;
2668 }
2669 static const struct file_operations mem_debugfs_fops = {
2670         .owner   = THIS_MODULE,
2671         .open    = simple_open,
2672         .read    = mem_read,
2673         .llseek  = default_llseek,
2674 };
2675
2676 static int tid_info_show(struct seq_file *seq, void *v)
2677 {
2678         struct adapter *adap = seq->private;
2679         const struct tid_info *t = &adap->tids;
2680         enum chip_type chip = CHELSIO_CHIP_VERSION(adap->params.chip);
2681
2682         if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
2683                 unsigned int sb;
2684
2685                 if (chip <= CHELSIO_T5)
2686                         sb = t4_read_reg(adap, LE_DB_SERVER_INDEX_A) / 4;
2687                 else
2688                         sb = t4_read_reg(adap, LE_DB_SRVR_START_INDEX_A);
2689
2690                 if (sb) {
2691                         seq_printf(seq, "TID range: 0..%u/%u..%u", sb - 1,
2692                                    adap->tids.hash_base,
2693                                    t->ntids - 1);
2694                         seq_printf(seq, ", in use: %u/%u\n",
2695                                    atomic_read(&t->tids_in_use),
2696                                    atomic_read(&t->hash_tids_in_use));
2697                 } else if (adap->flags & FW_OFLD_CONN) {
2698                         seq_printf(seq, "TID range: %u..%u/%u..%u",
2699                                    t->aftid_base,
2700                                    t->aftid_end,
2701                                    adap->tids.hash_base,
2702                                    t->ntids - 1);
2703                         seq_printf(seq, ", in use: %u/%u\n",
2704                                    atomic_read(&t->tids_in_use),
2705                                    atomic_read(&t->hash_tids_in_use));
2706                 } else {
2707                         seq_printf(seq, "TID range: %u..%u",
2708                                    adap->tids.hash_base,
2709                                    t->ntids - 1);
2710                         seq_printf(seq, ", in use: %u\n",
2711                                    atomic_read(&t->hash_tids_in_use));
2712                 }
2713         } else if (t->ntids) {
2714                 seq_printf(seq, "TID range: 0..%u", t->ntids - 1);
2715                 seq_printf(seq, ", in use: %u\n",
2716                            atomic_read(&t->tids_in_use));
2717         }
2718
2719         if (t->nstids)
2720                 seq_printf(seq, "STID range: %u..%u, in use: %u\n",
2721                            (!t->stid_base &&
2722                            (chip <= CHELSIO_T5)) ?
2723                            t->stid_base + 1 : t->stid_base,
2724                            t->stid_base + t->nstids - 1, t->stids_in_use);
2725         if (t->natids)
2726                 seq_printf(seq, "ATID range: 0..%u, in use: %u\n",
2727                            t->natids - 1, t->atids_in_use);
2728         seq_printf(seq, "FTID range: %u..%u\n", t->ftid_base,
2729                    t->ftid_base + t->nftids - 1);
2730         if (t->nsftids)
2731                 seq_printf(seq, "SFTID range: %u..%u in use: %u\n",
2732                            t->sftid_base, t->sftid_base + t->nsftids - 2,
2733                            t->sftids_in_use);
2734         if (t->ntids)
2735                 seq_printf(seq, "HW TID usage: %u IP users, %u IPv6 users\n",
2736                            t4_read_reg(adap, LE_DB_ACT_CNT_IPV4_A),
2737                            t4_read_reg(adap, LE_DB_ACT_CNT_IPV6_A));
2738         return 0;
2739 }
2740
2741 DEFINE_SIMPLE_DEBUGFS_FILE(tid_info);
2742
2743 static void add_debugfs_mem(struct adapter *adap, const char *name,
2744                             unsigned int idx, unsigned int size_mb)
2745 {
2746         debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
2747                                  (void *)adap + idx, &mem_debugfs_fops,
2748                                  size_mb << 20);
2749 }
2750
2751 static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf,
2752                                size_t count, loff_t *ppos)
2753 {
2754         int len;
2755         const struct adapter *adap = filp->private_data;
2756         char *buf;
2757         ssize_t size = (adap->sge.egr_sz + 3) / 4 +
2758                         adap->sge.egr_sz / 32 + 2; /* includes ,/\n/\0 */
2759
2760         buf = kzalloc(size, GFP_KERNEL);
2761         if (!buf)
2762                 return -ENOMEM;
2763
2764         len = snprintf(buf, size - 1, "%*pb\n",
2765                        adap->sge.egr_sz, adap->sge.blocked_fl);
2766         len += sprintf(buf + len, "\n");
2767         size = simple_read_from_buffer(ubuf, count, ppos, buf, len);
2768         t4_free_mem(buf);
2769         return size;
2770 }
2771
2772 static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf,
2773                                 size_t count, loff_t *ppos)
2774 {
2775         int err;
2776         unsigned long *t;
2777         struct adapter *adap = filp->private_data;
2778
2779         t = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), sizeof(long), GFP_KERNEL);
2780         if (!t)
2781                 return -ENOMEM;
2782
2783         err = bitmap_parse_user(ubuf, count, t, adap->sge.egr_sz);
2784         if (err)
2785                 return err;
2786
2787         bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz);
2788         t4_free_mem(t);
2789         return count;
2790 }
2791
2792 static const struct file_operations blocked_fl_fops = {
2793         .owner   = THIS_MODULE,
2794         .open    = simple_open,
2795         .read    = blocked_fl_read,
2796         .write   = blocked_fl_write,
2797         .llseek  = generic_file_llseek,
2798 };
2799
2800 struct mem_desc {
2801         unsigned int base;
2802         unsigned int limit;
2803         unsigned int idx;
2804 };
2805
2806 static int mem_desc_cmp(const void *a, const void *b)
2807 {
2808         return ((const struct mem_desc *)a)->base -
2809                ((const struct mem_desc *)b)->base;
2810 }
2811
2812 static void mem_region_show(struct seq_file *seq, const char *name,
2813                             unsigned int from, unsigned int to)
2814 {
2815         char buf[40];
2816
2817         string_get_size((u64)to - from + 1, 1, STRING_UNITS_2, buf,
2818                         sizeof(buf));
2819         seq_printf(seq, "%-15s %#x-%#x [%s]\n", name, from, to, buf);
2820 }
2821
2822 static int meminfo_show(struct seq_file *seq, void *v)
2823 {
2824         static const char * const memory[] = { "EDC0:", "EDC1:", "MC:",
2825                                         "MC0:", "MC1:"};
2826         static const char * const region[] = {
2827                 "DBQ contexts:", "IMSG contexts:", "FLM cache:", "TCBs:",
2828                 "Pstructs:", "Timers:", "Rx FL:", "Tx FL:", "Pstruct FL:",
2829                 "Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:",
2830                 "TDDP region:", "TPT region:", "STAG region:", "RQ region:",
2831                 "RQUDP region:", "PBL region:", "TXPBL region:",
2832                 "DBVFIFO region:", "ULPRX state:", "ULPTX state:",
2833                 "On-chip queues:"
2834         };
2835
2836         int i, n;
2837         u32 lo, hi, used, alloc;
2838         struct mem_desc avail[4];
2839         struct mem_desc mem[ARRAY_SIZE(region) + 3];      /* up to 3 holes */
2840         struct mem_desc *md = mem;
2841         struct adapter *adap = seq->private;
2842
2843         for (i = 0; i < ARRAY_SIZE(mem); i++) {
2844                 mem[i].limit = 0;
2845                 mem[i].idx = i;
2846         }
2847
2848         /* Find and sort the populated memory ranges */
2849         i = 0;
2850         lo = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2851         if (lo & EDRAM0_ENABLE_F) {
2852                 hi = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2853                 avail[i].base = EDRAM0_BASE_G(hi) << 20;
2854                 avail[i].limit = avail[i].base + (EDRAM0_SIZE_G(hi) << 20);
2855                 avail[i].idx = 0;
2856                 i++;
2857         }
2858         if (lo & EDRAM1_ENABLE_F) {
2859                 hi = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2860                 avail[i].base = EDRAM1_BASE_G(hi) << 20;
2861                 avail[i].limit = avail[i].base + (EDRAM1_SIZE_G(hi) << 20);
2862                 avail[i].idx = 1;
2863                 i++;
2864         }
2865
2866         if (is_t5(adap->params.chip)) {
2867                 if (lo & EXT_MEM0_ENABLE_F) {
2868                         hi = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
2869                         avail[i].base = EXT_MEM0_BASE_G(hi) << 20;
2870                         avail[i].limit =
2871                                 avail[i].base + (EXT_MEM0_SIZE_G(hi) << 20);
2872                         avail[i].idx = 3;
2873                         i++;
2874                 }
2875                 if (lo & EXT_MEM1_ENABLE_F) {
2876                         hi = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
2877                         avail[i].base = EXT_MEM1_BASE_G(hi) << 20;
2878                         avail[i].limit =
2879                                 avail[i].base + (EXT_MEM1_SIZE_G(hi) << 20);
2880                         avail[i].idx = 4;
2881                         i++;
2882                 }
2883         } else {
2884                 if (lo & EXT_MEM_ENABLE_F) {
2885                         hi = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2886                         avail[i].base = EXT_MEM_BASE_G(hi) << 20;
2887                         avail[i].limit =
2888                                 avail[i].base + (EXT_MEM_SIZE_G(hi) << 20);
2889                         avail[i].idx = 2;
2890                         i++;
2891                 }
2892         }
2893         if (!i)                                    /* no memory available */
2894                 return 0;
2895         sort(avail, i, sizeof(struct mem_desc), mem_desc_cmp, NULL);
2896
2897         (md++)->base = t4_read_reg(adap, SGE_DBQ_CTXT_BADDR_A);
2898         (md++)->base = t4_read_reg(adap, SGE_IMSG_CTXT_BADDR_A);
2899         (md++)->base = t4_read_reg(adap, SGE_FLM_CACHE_BADDR_A);
2900         (md++)->base = t4_read_reg(adap, TP_CMM_TCB_BASE_A);
2901         (md++)->base = t4_read_reg(adap, TP_CMM_MM_BASE_A);
2902         (md++)->base = t4_read_reg(adap, TP_CMM_TIMER_BASE_A);
2903         (md++)->base = t4_read_reg(adap, TP_CMM_MM_RX_FLST_BASE_A);
2904         (md++)->base = t4_read_reg(adap, TP_CMM_MM_TX_FLST_BASE_A);
2905         (md++)->base = t4_read_reg(adap, TP_CMM_MM_PS_FLST_BASE_A);
2906
2907         /* the next few have explicit upper bounds */
2908         md->base = t4_read_reg(adap, TP_PMM_TX_BASE_A);
2909         md->limit = md->base - 1 +
2910                     t4_read_reg(adap, TP_PMM_TX_PAGE_SIZE_A) *
2911                     PMTXMAXPAGE_G(t4_read_reg(adap, TP_PMM_TX_MAX_PAGE_A));
2912         md++;
2913
2914         md->base = t4_read_reg(adap, TP_PMM_RX_BASE_A);
2915         md->limit = md->base - 1 +
2916                     t4_read_reg(adap, TP_PMM_RX_PAGE_SIZE_A) *
2917                     PMRXMAXPAGE_G(t4_read_reg(adap, TP_PMM_RX_MAX_PAGE_A));
2918         md++;
2919
2920         if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
2921                 if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5) {
2922                         hi = t4_read_reg(adap, LE_DB_TID_HASHBASE_A) / 4;
2923                         md->base = t4_read_reg(adap, LE_DB_HASH_TID_BASE_A);
2924                  } else {
2925                         hi = t4_read_reg(adap, LE_DB_HASH_TID_BASE_A);
2926                         md->base = t4_read_reg(adap,
2927                                                LE_DB_HASH_TBL_BASE_ADDR_A);
2928                 }
2929                 md->limit = 0;
2930         } else {
2931                 md->base = 0;
2932                 md->idx = ARRAY_SIZE(region);  /* hide it */
2933         }
2934         md++;
2935
2936 #define ulp_region(reg) do { \
2937         md->base = t4_read_reg(adap, ULP_ ## reg ## _LLIMIT_A);\
2938         (md++)->limit = t4_read_reg(adap, ULP_ ## reg ## _ULIMIT_A); \
2939 } while (0)
2940
2941         ulp_region(RX_ISCSI);
2942         ulp_region(RX_TDDP);
2943         ulp_region(TX_TPT);
2944         ulp_region(RX_STAG);
2945         ulp_region(RX_RQ);
2946         ulp_region(RX_RQUDP);
2947         ulp_region(RX_PBL);
2948         ulp_region(TX_PBL);
2949 #undef ulp_region
2950         md->base = 0;
2951         md->idx = ARRAY_SIZE(region);
2952         if (!is_t4(adap->params.chip)) {
2953                 u32 size = 0;
2954                 u32 sge_ctrl = t4_read_reg(adap, SGE_CONTROL2_A);
2955                 u32 fifo_size = t4_read_reg(adap, SGE_DBVFIFO_SIZE_A);
2956
2957                 if (is_t5(adap->params.chip)) {
2958                         if (sge_ctrl & VFIFO_ENABLE_F)
2959                                 size = DBVFIFO_SIZE_G(fifo_size);
2960                 } else {
2961                         size = T6_DBVFIFO_SIZE_G(fifo_size);
2962                 }
2963
2964                 if (size) {
2965                         md->base = BASEADDR_G(t4_read_reg(adap,
2966                                         SGE_DBVFIFO_BADDR_A));
2967                         md->limit = md->base + (size << 2) - 1;
2968                 }
2969         }
2970
2971         md++;
2972
2973         md->base = t4_read_reg(adap, ULP_RX_CTX_BASE_A);
2974         md->limit = 0;
2975         md++;
2976         md->base = t4_read_reg(adap, ULP_TX_ERR_TABLE_BASE_A);
2977         md->limit = 0;
2978         md++;
2979
2980         md->base = adap->vres.ocq.start;
2981         if (adap->vres.ocq.size)
2982                 md->limit = md->base + adap->vres.ocq.size - 1;
2983         else
2984                 md->idx = ARRAY_SIZE(region);  /* hide it */
2985         md++;
2986
2987         /* add any address-space holes, there can be up to 3 */
2988         for (n = 0; n < i - 1; n++)
2989                 if (avail[n].limit < avail[n + 1].base)
2990                         (md++)->base = avail[n].limit;
2991         if (avail[n].limit)
2992                 (md++)->base = avail[n].limit;
2993
2994         n = md - mem;
2995         sort(mem, n, sizeof(struct mem_desc), mem_desc_cmp, NULL);
2996
2997         for (lo = 0; lo < i; lo++)
2998                 mem_region_show(seq, memory[avail[lo].idx], avail[lo].base,
2999                                 avail[lo].limit - 1);
3000
3001         seq_putc(seq, '\n');
3002         for (i = 0; i < n; i++) {
3003                 if (mem[i].idx >= ARRAY_SIZE(region))
3004                         continue;                        /* skip holes */
3005                 if (!mem[i].limit)
3006                         mem[i].limit = i < n - 1 ? mem[i + 1].base - 1 : ~0;
3007                 mem_region_show(seq, region[mem[i].idx], mem[i].base,
3008                                 mem[i].limit);
3009         }
3010
3011         seq_putc(seq, '\n');
3012         lo = t4_read_reg(adap, CIM_SDRAM_BASE_ADDR_A);
3013         hi = t4_read_reg(adap, CIM_SDRAM_ADDR_SIZE_A) + lo - 1;
3014         mem_region_show(seq, "uP RAM:", lo, hi);
3015
3016         lo = t4_read_reg(adap, CIM_EXTMEM2_BASE_ADDR_A);
3017         hi = t4_read_reg(adap, CIM_EXTMEM2_ADDR_SIZE_A) + lo - 1;
3018         mem_region_show(seq, "uP Extmem2:", lo, hi);
3019
3020         lo = t4_read_reg(adap, TP_PMM_RX_MAX_PAGE_A);
3021         seq_printf(seq, "\n%u Rx pages of size %uKiB for %u channels\n",
3022                    PMRXMAXPAGE_G(lo),
3023                    t4_read_reg(adap, TP_PMM_RX_PAGE_SIZE_A) >> 10,
3024                    (lo & PMRXNUMCHN_F) ? 2 : 1);
3025
3026         lo = t4_read_reg(adap, TP_PMM_TX_MAX_PAGE_A);
3027         hi = t4_read_reg(adap, TP_PMM_TX_PAGE_SIZE_A);
3028         seq_printf(seq, "%u Tx pages of size %u%ciB for %u channels\n",
3029                    PMTXMAXPAGE_G(lo),
3030                    hi >= (1 << 20) ? (hi >> 20) : (hi >> 10),
3031                    hi >= (1 << 20) ? 'M' : 'K', 1 << PMTXNUMCHN_G(lo));
3032         seq_printf(seq, "%u p-structs\n\n",
3033                    t4_read_reg(adap, TP_CMM_MM_MAX_PSTRUCT_A));
3034
3035         for (i = 0; i < 4; i++) {
3036                 if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5)
3037                         lo = t4_read_reg(adap, MPS_RX_MAC_BG_PG_CNT0_A + i * 4);
3038                 else
3039                         lo = t4_read_reg(adap, MPS_RX_PG_RSV0_A + i * 4);
3040                 if (is_t5(adap->params.chip)) {
3041                         used = T5_USED_G(lo);
3042                         alloc = T5_ALLOC_G(lo);
3043                 } else {
3044                         used = USED_G(lo);
3045                         alloc = ALLOC_G(lo);
3046                 }
3047                 /* For T6 these are MAC buffer groups */
3048                 seq_printf(seq, "Port %d using %u pages out of %u allocated\n",
3049                            i, used, alloc);
3050         }
3051         for (i = 0; i < adap->params.arch.nchan; i++) {
3052                 if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5)
3053                         lo = t4_read_reg(adap,
3054                                          MPS_RX_LPBK_BG_PG_CNT0_A + i * 4);
3055                 else
3056                         lo = t4_read_reg(adap, MPS_RX_PG_RSV4_A + i * 4);
3057                 if (is_t5(adap->params.chip)) {
3058                         used = T5_USED_G(lo);
3059                         alloc = T5_ALLOC_G(lo);
3060                 } else {
3061                         used = USED_G(lo);
3062                         alloc = ALLOC_G(lo);
3063                 }
3064                 /* For T6 these are MAC buffer groups */
3065                 seq_printf(seq,
3066                            "Loopback %d using %u pages out of %u allocated\n",
3067                            i, used, alloc);
3068         }
3069         return 0;
3070 }
3071
3072 static int meminfo_open(struct inode *inode, struct file *file)
3073 {
3074         return single_open(file, meminfo_show, inode->i_private);
3075 }
3076
3077 static const struct file_operations meminfo_fops = {
3078         .owner   = THIS_MODULE,
3079         .open    = meminfo_open,
3080         .read    = seq_read,
3081         .llseek  = seq_lseek,
3082         .release = single_release,
3083 };
3084 /* Add an array of Debug FS files.
3085  */
3086 void add_debugfs_files(struct adapter *adap,
3087                        struct t4_debugfs_entry *files,
3088                        unsigned int nfiles)
3089 {
3090         int i;
3091
3092         /* debugfs support is best effort */
3093         for (i = 0; i < nfiles; i++)
3094                 debugfs_create_file(files[i].name, files[i].mode,
3095                                     adap->debugfs_root,
3096                                     (void *)adap + files[i].data,
3097                                     files[i].ops);
3098 }
3099
3100 int t4_setup_debugfs(struct adapter *adap)
3101 {
3102         int i;
3103         u32 size = 0;
3104         struct dentry *de;
3105
3106         static struct t4_debugfs_entry t4_debugfs_files[] = {
3107                 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
3108                 { "cim_pif_la", &cim_pif_la_fops, S_IRUSR, 0 },
3109                 { "cim_ma_la", &cim_ma_la_fops, S_IRUSR, 0 },
3110                 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
3111                 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
3112                 { "devlog", &devlog_fops, S_IRUSR, 0 },
3113                 { "mboxlog", &mboxlog_fops, S_IRUSR, 0 },
3114                 { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
3115                 { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
3116                 { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
3117                 { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
3118                 { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
3119                 { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
3120                 { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
3121                 { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
3122                 { "trace0", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
3123                 { "trace1", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
3124                 { "trace2", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
3125                 { "trace3", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
3126                 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
3127                 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
3128                 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
3129                 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
3130                 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
3131                 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
3132                 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
3133                 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
3134                 { "ibq_tp0",  &cim_ibq_fops, S_IRUSR, 0 },
3135                 { "ibq_tp1",  &cim_ibq_fops, S_IRUSR, 1 },
3136                 { "ibq_ulp",  &cim_ibq_fops, S_IRUSR, 2 },
3137                 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
3138                 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
3139                 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
3140                 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
3141                 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
3142                 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
3143                 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
3144                 { "obq_sge",  &cim_obq_fops, S_IRUSR, 4 },
3145                 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
3146                 { "tp_la", &tp_la_fops, S_IRUSR, 0 },
3147                 { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
3148                 { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
3149                 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
3150                 { "tx_rate", &tx_rate_debugfs_fops, S_IRUSR, 0 },
3151                 { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
3152 #if IS_ENABLED(CONFIG_IPV6)
3153                 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
3154 #endif
3155                 { "tids", &tid_info_debugfs_fops, S_IRUSR, 0},
3156                 { "blocked_fl", &blocked_fl_fops, S_IRUSR | S_IWUSR, 0 },
3157                 { "meminfo", &meminfo_fops, S_IRUSR, 0 },
3158         };
3159
3160         /* Debug FS nodes common to all T5 and later adapters.
3161          */
3162         static struct t4_debugfs_entry t5_debugfs_files[] = {
3163                 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
3164                 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
3165         };
3166
3167         add_debugfs_files(adap,
3168                           t4_debugfs_files,
3169                           ARRAY_SIZE(t4_debugfs_files));
3170         if (!is_t4(adap->params.chip))
3171                 add_debugfs_files(adap,
3172                                   t5_debugfs_files,
3173                                   ARRAY_SIZE(t5_debugfs_files));
3174
3175         i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
3176         if (i & EDRAM0_ENABLE_F) {
3177                 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
3178                 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
3179         }
3180         if (i & EDRAM1_ENABLE_F) {
3181                 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
3182                 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
3183         }
3184         if (is_t5(adap->params.chip)) {
3185                 if (i & EXT_MEM0_ENABLE_F) {
3186                         size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
3187                         add_debugfs_mem(adap, "mc0", MEM_MC0,
3188                                         EXT_MEM0_SIZE_G(size));
3189                 }
3190                 if (i & EXT_MEM1_ENABLE_F) {
3191                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
3192                         add_debugfs_mem(adap, "mc1", MEM_MC1,
3193                                         EXT_MEM1_SIZE_G(size));
3194                 }
3195         } else {
3196                 if (i & EXT_MEM_ENABLE_F) {
3197                         size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
3198                         add_debugfs_mem(adap, "mc", MEM_MC,
3199                                         EXT_MEM_SIZE_G(size));
3200                 }
3201         }
3202
3203         de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap,
3204                                       &flash_debugfs_fops, adap->params.sf_size);
3205         debugfs_create_bool("use_backdoor", S_IWUSR | S_IRUSR,
3206                             adap->debugfs_root, &adap->use_bd);
3207         debugfs_create_bool("trace_rss", S_IWUSR | S_IRUSR,
3208                             adap->debugfs_root, &adap->trace_rss);
3209
3210         return 0;
3211 }