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         ++(*pos);
  70         return v;
  71 }
  72
  73 static void seq_tab_stop(struct seq_file *seq, void *v)
  74 {
  75 }
  76
  77 static int seq_tab_show(struct seq_file *seq, void *v)
  78 {
  79         const struct seq_tab *tb = seq->private;
  80
  81         return tb->show(seq, v, ((char *)v - tb->data) / tb->width);
  82 }
  83
  84 static const struct seq_operations seq_tab_ops = {
  85         .start = seq_tab_start,
  86         .next  = seq_tab_next,
  87         .stop  = seq_tab_stop,
  88         .show  = seq_tab_show
  89 };
  90
  91 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
  92                              unsigned int width, unsigned int have_header,
  93                              int (*show)(struct seq_file *seq, void *v, int i))
  94 {
  95         struct seq_tab *p;
  96
  97         p = __seq_open_private(f, &seq_tab_ops, sizeof(*p) + rows * width);
  98         if (p) {
  99                 p->show = show;
 100                 p->rows = rows;
 101                 p->width = width;
 102                 p->skip_first = have_header != 0;
 103         }
 104         return p;
 105 }
 106
 107 /* Trim the size of a seq_tab to the supplied number of rows.  The operation is
 108  * irreversible.
 109  */
 110 static int seq_tab_trim(struct seq_tab *p, unsigned int new_rows)
 111 {
 112         if (new_rows > p->rows)
 113                 return -EINVAL;
 114         p->rows = new_rows;
 115         return 0;
 116 }
 117
 118 static int cim_la_show(struct seq_file *seq, void *v, int idx)
 119 {
 120         if (v == SEQ_START_TOKEN)
 121                 seq_puts(seq, "Status   Data      PC     LS0Stat  LS0Addr "
 122                          "            LS0Data\n");
 123         else {
 124                 const u32 *p = v;
 125
 126                 seq_printf(seq,
 127                            "  %02x  %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
 128                            (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
 129                            p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
 130                            p[6], p[7]);
 131         }
 132         return 0;
 133 }
 134
 135 static int cim_la_show_3in1(struct seq_file *seq, void *v, int idx)
 136 {
 137         if (v == SEQ_START_TOKEN) {
 138                 seq_puts(seq, "Status   Data      PC\n");
 139         } else {
 140                 const u32 *p = v;
 141
 142                 seq_printf(seq, "  %02x   %08x %08x\n", p[5] & 0xff, p[6],
 143                            p[7]);
 144                 seq_printf(seq, "  %02x   %02x%06x %02x%06x\n",
 145                            (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
 146                            p[4] & 0xff, p[5] >> 8);
 147                 seq_printf(seq, "  %02x   %x%07x %x%07x\n", (p[0] >> 4) & 0xff,
 148                            p[0] & 0xf, p[1] >> 4, p[1] & 0xf, p[2] >> 4);
 149         }
 150         return 0;
 151 }
 152
 153 static int cim_la_show_t6(struct seq_file *seq, void *v, int idx)
 154 {
 155         if (v == SEQ_START_TOKEN) {
 156                 seq_puts(seq, "Status   Inst    Data      PC     LS0Stat  "
 157                          "LS0Addr  LS0Data  LS1Stat  LS1Addr  LS1Data\n");
 158         } else {
 159                 const u32 *p = v;
 160
 161                 seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x %08x %08x %08x %08x %08x %08x\n",
 162                            (p[9] >> 16) & 0xff,       /* Status */
 163                            p[9] & 0xffff, p[8] >> 16, /* Inst */
 164                            p[8] & 0xffff, p[7] >> 16, /* Data */
 165                            p[7] & 0xffff, p[6] >> 16, /* PC */
 166                            p[2], p[1], p[0],      /* LS0 Stat, Addr and Data */
 167                            p[5], p[4], p[3]);     /* LS1 Stat, Addr and Data */
 168         }
 169         return 0;
 170 }
 171
 172 static int cim_la_show_pc_t6(struct seq_file *seq, void *v, int idx)
 173 {
 174         if (v == SEQ_START_TOKEN) {
 175                 seq_puts(seq, "Status   Inst    Data      PC\n");
 176         } else {
 177                 const u32 *p = v;
 178
 179                 seq_printf(seq, "  %02x   %08x %08x %08x\n",
 180                            p[3] & 0xff, p[2], p[1], p[0]);
 181                 seq_printf(seq, "  %02x   %02x%06x %02x%06x %02x%06x\n",
 182                            (p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8,
 183                            p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8);
 184                 seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x\n",
 185                            (p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16,
 186                            p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff,
 187                            p[6] >> 16);
 188         }
 189         return 0;
 190 }
 191
 192 static int cim_la_open(struct inode *inode, struct file *file)
 193 {
 194         int ret;
 195         unsigned int cfg;
 196         struct seq_tab *p;
 197         struct adapter *adap = inode->i_private;
 198
 199         ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
 200         if (ret)
 201                 return ret;
 202
 203         if (is_t6(adap->params.chip)) {
 204                 /* +1 to account for integer division of CIMLA_SIZE/10 */
 205                 p = seq_open_tab(file, (adap->params.cim_la_size / 10) + 1,
 206                                  10 * sizeof(u32), 1,
 207                                  cfg & UPDBGLACAPTPCONLY_F ?
 208                                         cim_la_show_pc_t6 : cim_la_show_t6);
 209         } else {
 210                 p = seq_open_tab(file, adap->params.cim_la_size / 8,
 211                                  8 * sizeof(u32), 1,
 212                                  cfg & UPDBGLACAPTPCONLY_F ? cim_la_show_3in1 :
 213                                                              cim_la_show);
 214         }
 215         if (!p)
 216                 return -ENOMEM;
 217
 218         ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
 219         if (ret)
 220                 seq_release_private(inode, file);
 221         return ret;
 222 }
 223
 224 static const struct file_operations cim_la_fops = {
 225         .owner   = THIS_MODULE,
 226         .open    = cim_la_open,
 227         .read    = seq_read,
 228         .llseek  = seq_lseek,
 229         .release = seq_release_private
 230 };
 231
 232 static int cim_pif_la_show(struct seq_file *seq, void *v, int idx)
 233 {
 234         const u32 *p = v;
 235
 236         if (v == SEQ_START_TOKEN) {
 237                 seq_puts(seq, "Cntl ID DataBE   Addr                 Data\n");
 238         } else if (idx < CIM_PIFLA_SIZE) {
 239                 seq_printf(seq, " %02x  %02x  %04x  %08x %08x%08x%08x%08x\n",
 240                            (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f,
 241                            p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]);
 242         } else {
 243                 if (idx == CIM_PIFLA_SIZE)
 244                         seq_puts(seq, "\nCntl ID               Data\n");
 245                 seq_printf(seq, " %02x  %02x %08x%08x%08x%08x\n",
 246                            (p[4] >> 6) & 0xff, p[4] & 0x3f,
 247                            p[3], p[2], p[1], p[0]);
 248         }
 249         return 0;
 250 }
 251
 252 static int cim_pif_la_open(struct inode *inode, struct file *file)
 253 {
 254         struct seq_tab *p;
 255         struct adapter *adap = inode->i_private;
 256
 257         p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1,
 258                          cim_pif_la_show);
 259         if (!p)
 260                 return -ENOMEM;
 261
 262         t4_cim_read_pif_la(adap, (u32 *)p->data,
 263                            (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL);
 264         return 0;
 265 }
 266
 267 static const struct file_operations cim_pif_la_fops = {
 268         .owner   = THIS_MODULE,
 269         .open    = cim_pif_la_open,
 270         .read    = seq_read,
 271         .llseek  = seq_lseek,
 272         .release = seq_release_private
 273 };
 274
 275 static int cim_ma_la_show(struct seq_file *seq, void *v, int idx)
 276 {
 277         const u32 *p = v;
 278
 279         if (v == SEQ_START_TOKEN) {
 280                 seq_puts(seq, "\n");
 281         } else if (idx < CIM_MALA_SIZE) {
 282                 seq_printf(seq, "%02x%08x%08x%08x%08x\n",
 283                            p[4], p[3], p[2], p[1], p[0]);
 284         } else {
 285                 if (idx == CIM_MALA_SIZE)
 286                         seq_puts(seq,
 287                                  "\nCnt ID Tag UE       Data       RDY VLD\n");
 288                 seq_printf(seq, "%3u %2u  %x   %u %08x%08x  %u   %u\n",
 289                            (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
 290                            (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
 291                            (p[1] >> 2) | ((p[2] & 3) << 30),
 292                            (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
 293                            p[0] & 1);
 294         }
 295         return 0;
 296 }
 297
 298 static int cim_ma_la_open(struct inode *inode, struct file *file)
 299 {
 300         struct seq_tab *p;
 301         struct adapter *adap = inode->i_private;
 302
 303         p = seq_open_tab(file, 2 * CIM_MALA_SIZE, 5 * sizeof(u32), 1,
 304                          cim_ma_la_show);
 305         if (!p)
 306                 return -ENOMEM;
 307
 308         t4_cim_read_ma_la(adap, (u32 *)p->data,
 309                           (u32 *)p->data + 5 * CIM_MALA_SIZE);
 310         return 0;
 311 }
 312
 313 static const struct file_operations cim_ma_la_fops = {
 314         .owner   = THIS_MODULE,
 315         .open    = cim_ma_la_open,
 316         .read    = seq_read,
 317         .llseek  = seq_lseek,
 318         .release = seq_release_private
 319 };
 320
 321 static int cim_qcfg_show(struct seq_file *seq, void *v)
 322 {
 323         static const char * const qname[] = {
 324                 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
 325                 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
 326                 "SGE0-RX", "SGE1-RX"
 327         };
 328
 329         int i;
 330         struct adapter *adap = seq->private;
 331         u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 332         u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 333         u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
 334         u16 thres[CIM_NUM_IBQ];
 335         u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
 336         u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
 337         u32 *p = stat;
 338         int cim_num_obq = is_t4(adap->params.chip) ?
 339                                 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
 340
 341         i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
 342                         UP_IBQ_0_SHADOW_RDADDR_A,
 343                         ARRAY_SIZE(stat), stat);
 344         if (!i) {
 345                 if (is_t4(adap->params.chip)) {
 346                         i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
 347                                         ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
 348                         wr = obq_wr_t4;
 349                 } else {
 350                         i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
 351                                         ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
 352                         wr = obq_wr_t5;
 353                 }
 354         }
 355         if (i)
 356                 return i;
 357
 358         t4_read_cimq_cfg(adap, base, size, thres);
 359
 360         seq_printf(seq,
 361                    "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
 362         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
 363                 seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
 364                            qname[i], base[i], size[i], thres[i],
 365                            IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
 366                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 367                            QUEREMFLITS_G(p[2]) * 16);
 368         for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
 369                 seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
 370                            qname[i], base[i], size[i],
 371                            QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
 372                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 373                            QUEREMFLITS_G(p[2]) * 16);
 374         return 0;
 375 }
 376
 377 static int cim_qcfg_open(struct inode *inode, struct file *file)
 378 {
 379         return single_open(file, cim_qcfg_show, inode->i_private);
 380 }
 381
 382 static const struct file_operations cim_qcfg_fops = {
 383         .owner   = THIS_MODULE,
 384         .open    = cim_qcfg_open,
 385         .read    = seq_read,
 386         .llseek  = seq_lseek,
 387         .release = single_release,
 388 };
 389
 390 static int cimq_show(struct seq_file *seq, void *v, int idx)
 391 {
 392         const u32 *p = v;
 393
 394         seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
 395                    p[2], p[3]);
 396         return 0;
 397 }
 398
 399 static int cim_ibq_open(struct inode *inode, struct file *file)
 400 {
 401         int ret;
 402         struct seq_tab *p;
 403         unsigned int qid = (uintptr_t)inode->i_private & 7;
 404         struct adapter *adap = inode->i_private - qid;
 405
 406         p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 407         if (!p)
 408                 return -ENOMEM;
 409
 410         ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
 411         if (ret < 0)
 412                 seq_release_private(inode, file);
 413         else
 414                 ret = 0;
 415         return ret;
 416 }
 417
 418 static const struct file_operations cim_ibq_fops = {
 419         .owner   = THIS_MODULE,
 420         .open    = cim_ibq_open,
 421         .read    = seq_read,
 422         .llseek  = seq_lseek,
 423         .release = seq_release_private
 424 };
 425
 426 static int cim_obq_open(struct inode *inode, struct file *file)
 427 {
 428         int ret;
 429         struct seq_tab *p;
 430         unsigned int qid = (uintptr_t)inode->i_private & 7;
 431         struct adapter *adap = inode->i_private - qid;
 432
 433         p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 434         if (!p)
 435                 return -ENOMEM;
 436
 437         ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
 438         if (ret < 0) {
 439                 seq_release_private(inode, file);
 440         } else {
 441                 seq_tab_trim(p, ret / 4);
 442                 ret = 0;
 443         }
 444         return ret;
 445 }
 446
 447 static const struct file_operations cim_obq_fops = {
 448         .owner   = THIS_MODULE,
 449         .open    = cim_obq_open,
 450         .read    = seq_read,
 451         .llseek  = seq_lseek,
 452         .release = seq_release_private
 453 };
 454
 455 struct field_desc {
 456         const char *name;
 457         unsigned int start;
 458         unsigned int width;
 459 };
 460
 461 static void field_desc_show(struct seq_file *seq, u64 v,
 462                             const struct field_desc *p)
 463 {
 464         char buf[32];
 465         int line_size = 0;
 466
 467         while (p->name) {
 468                 u64 mask = (1ULL << p->width) - 1;
 469                 int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
 470                                     ((unsigned long long)v >> p->start) & mask);
 471
 472                 if (line_size + len >= 79) {
 473                         line_size = 8;
 474                         seq_puts(seq, "\n        ");
 475                 }
 476                 seq_printf(seq, "%s ", buf);
 477                 line_size += len + 1;
 478                 p++;
 479         }
 480         seq_putc(seq, '\n');
 481 }
 482
 483 static struct field_desc tp_la0[] = {
 484         { "RcfOpCodeOut", 60, 4 },
 485         { "State", 56, 4 },
 486         { "WcfState", 52, 4 },
 487         { "RcfOpcSrcOut", 50, 2 },
 488         { "CRxError", 49, 1 },
 489         { "ERxError", 48, 1 },
 490         { "SanityFailed", 47, 1 },
 491         { "SpuriousMsg", 46, 1 },
 492         { "FlushInputMsg", 45, 1 },
 493         { "FlushInputCpl", 44, 1 },
 494         { "RssUpBit", 43, 1 },
 495         { "RssFilterHit", 42, 1 },
 496         { "Tid", 32, 10 },
 497         { "InitTcb", 31, 1 },
 498         { "LineNumber", 24, 7 },
 499         { "Emsg", 23, 1 },
 500         { "EdataOut", 22, 1 },
 501         { "Cmsg", 21, 1 },
 502         { "CdataOut", 20, 1 },
 503         { "EreadPdu", 19, 1 },
 504         { "CreadPdu", 18, 1 },
 505         { "TunnelPkt", 17, 1 },
 506         { "RcfPeerFin", 16, 1 },
 507         { "RcfReasonOut", 12, 4 },
 508         { "TxCchannel", 10, 2 },
 509         { "RcfTxChannel", 8, 2 },
 510         { "RxEchannel", 6, 2 },
 511         { "RcfRxChannel", 5, 1 },
 512         { "RcfDataOutSrdy", 4, 1 },
 513         { "RxDvld", 3, 1 },
 514         { "RxOoDvld", 2, 1 },
 515         { "RxCongestion", 1, 1 },
 516         { "TxCongestion", 0, 1 },
 517         { NULL }
 518 };
 519
 520 static int tp_la_show(struct seq_file *seq, void *v, int idx)
 521 {
 522         const u64 *p = v;
 523
 524         field_desc_show(seq, *p, tp_la0);
 525         return 0;
 526 }
 527
 528 static int tp_la_show2(struct seq_file *seq, void *v, int idx)
 529 {
 530         const u64 *p = v;
 531
 532         if (idx)
 533                 seq_putc(seq, '\n');
 534         field_desc_show(seq, p[0], tp_la0);
 535         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 536                 field_desc_show(seq, p[1], tp_la0);
 537         return 0;
 538 }
 539
 540 static int tp_la_show3(struct seq_file *seq, void *v, int idx)
 541 {
 542         static struct field_desc tp_la1[] = {
 543                 { "CplCmdIn", 56, 8 },
 544                 { "CplCmdOut", 48, 8 },
 545                 { "ESynOut", 47, 1 },
 546                 { "EAckOut", 46, 1 },
 547                 { "EFinOut", 45, 1 },
 548                 { "ERstOut", 44, 1 },
 549                 { "SynIn", 43, 1 },
 550                 { "AckIn", 42, 1 },
 551                 { "FinIn", 41, 1 },
 552                 { "RstIn", 40, 1 },
 553                 { "DataIn", 39, 1 },
 554                 { "DataInVld", 38, 1 },
 555                 { "PadIn", 37, 1 },
 556                 { "RxBufEmpty", 36, 1 },
 557                 { "RxDdp", 35, 1 },
 558                 { "RxFbCongestion", 34, 1 },
 559                 { "TxFbCongestion", 33, 1 },
 560                 { "TxPktSumSrdy", 32, 1 },
 561                 { "RcfUlpType", 28, 4 },
 562                 { "Eread", 27, 1 },
 563                 { "Ebypass", 26, 1 },
 564                 { "Esave", 25, 1 },
 565                 { "Static0", 24, 1 },
 566                 { "Cread", 23, 1 },
 567                 { "Cbypass", 22, 1 },
 568                 { "Csave", 21, 1 },
 569                 { "CPktOut", 20, 1 },
 570                 { "RxPagePoolFull", 18, 2 },
 571                 { "RxLpbkPkt", 17, 1 },
 572                 { "TxLpbkPkt", 16, 1 },
 573                 { "RxVfValid", 15, 1 },
 574                 { "SynLearned", 14, 1 },
 575                 { "SetDelEntry", 13, 1 },
 576                 { "SetInvEntry", 12, 1 },
 577                 { "CpcmdDvld", 11, 1 },
 578                 { "CpcmdSave", 10, 1 },
 579                 { "RxPstructsFull", 8, 2 },
 580                 { "EpcmdDvld", 7, 1 },
 581                 { "EpcmdFlush", 6, 1 },
 582                 { "EpcmdTrimPrefix", 5, 1 },
 583                 { "EpcmdTrimPostfix", 4, 1 },
 584                 { "ERssIp4Pkt", 3, 1 },
 585                 { "ERssIp6Pkt", 2, 1 },
 586                 { "ERssTcpUdpPkt", 1, 1 },
 587                 { "ERssFceFipPkt", 0, 1 },
 588                 { NULL }
 589         };
 590         static struct field_desc tp_la2[] = {
 591                 { "CplCmdIn", 56, 8 },
 592                 { "MpsVfVld", 55, 1 },
 593                 { "MpsPf", 52, 3 },
 594                 { "MpsVf", 44, 8 },
 595                 { "SynIn", 43, 1 },
 596                 { "AckIn", 42, 1 },
 597                 { "FinIn", 41, 1 },
 598                 { "RstIn", 40, 1 },
 599                 { "DataIn", 39, 1 },
 600                 { "DataInVld", 38, 1 },
 601                 { "PadIn", 37, 1 },
 602                 { "RxBufEmpty", 36, 1 },
 603                 { "RxDdp", 35, 1 },
 604                 { "RxFbCongestion", 34, 1 },
 605                 { "TxFbCongestion", 33, 1 },
 606                 { "TxPktSumSrdy", 32, 1 },
 607                 { "RcfUlpType", 28, 4 },
 608                 { "Eread", 27, 1 },
 609                 { "Ebypass", 26, 1 },
 610                 { "Esave", 25, 1 },
 611                 { "Static0", 24, 1 },
 612                 { "Cread", 23, 1 },
 613                 { "Cbypass", 22, 1 },
 614                 { "Csave", 21, 1 },
 615                 { "CPktOut", 20, 1 },
 616                 { "RxPagePoolFull", 18, 2 },
 617                 { "RxLpbkPkt", 17, 1 },
 618                 { "TxLpbkPkt", 16, 1 },
 619                 { "RxVfValid", 15, 1 },
 620                 { "SynLearned", 14, 1 },
 621                 { "SetDelEntry", 13, 1 },
 622                 { "SetInvEntry", 12, 1 },
 623                 { "CpcmdDvld", 11, 1 },
 624                 { "CpcmdSave", 10, 1 },
 625                 { "RxPstructsFull", 8, 2 },
 626                 { "EpcmdDvld", 7, 1 },
 627                 { "EpcmdFlush", 6, 1 },
 628                 { "EpcmdTrimPrefix", 5, 1 },
 629                 { "EpcmdTrimPostfix", 4, 1 },
 630                 { "ERssIp4Pkt", 3, 1 },
 631                 { "ERssIp6Pkt", 2, 1 },
 632                 { "ERssTcpUdpPkt", 1, 1 },
 633                 { "ERssFceFipPkt", 0, 1 },
 634                 { NULL }
 635         };
 636         const u64 *p = v;
 637
 638         if (idx)
 639                 seq_putc(seq, '\n');
 640         field_desc_show(seq, p[0], tp_la0);
 641         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 642                 field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
 643         return 0;
 644 }
 645
 646 static int tp_la_open(struct inode *inode, struct file *file)
 647 {
 648         struct seq_tab *p;
 649         struct adapter *adap = inode->i_private;
 650
 651         switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
 652         case 2:
 653                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 654                                  tp_la_show2);
 655                 break;
 656         case 3:
 657                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 658                                  tp_la_show3);
 659                 break;
 660         default:
 661                 p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
 662         }
 663         if (!p)
 664                 return -ENOMEM;
 665
 666         t4_tp_read_la(adap, (u64 *)p->data, NULL);
 667         return 0;
 668 }
 669
 670 static ssize_t tp_la_write(struct file *file, const char __user *buf,
 671                            size_t count, loff_t *pos)
 672 {
 673         int err;
 674         char s[32];
 675         unsigned long val;
 676         size_t size = min(sizeof(s) - 1, count);
 677         struct adapter *adap = file_inode(file)->i_private;
 678
 679         if (copy_from_user(s, buf, size))
 680                 return -EFAULT;
 681         s[size] = '\0';
 682         err = kstrtoul(s, 0, &val);
 683         if (err)
 684                 return err;
 685         if (val > 0xffff)
 686                 return -EINVAL;
 687         adap->params.tp.la_mask = val << 16;
 688         t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
 689                          adap->params.tp.la_mask);
 690         return count;
 691 }
 692
 693 static const struct file_operations tp_la_fops = {
 694         .owner   = THIS_MODULE,
 695         .open    = tp_la_open,
 696         .read    = seq_read,
 697         .llseek  = seq_lseek,
 698         .release = seq_release_private,
 699         .write   = tp_la_write
 700 };
 701
 702 static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
 703 {
 704         const u32 *p = v;
 705
 706         if (v == SEQ_START_TOKEN)
 707                 seq_puts(seq, "      Pcmd        Type   Message"
 708                          "                Data\n");
 709         else
 710                 seq_printf(seq, "%08x%08x  %4x  %08x  %08x%08x%08x%08x\n",
 711                            p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
 712         return 0;
 713 }
 714
 715 static int ulprx_la_open(struct inode *inode, struct file *file)
 716 {
 717         struct seq_tab *p;
 718         struct adapter *adap = inode->i_private;
 719
 720         p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
 721                          ulprx_la_show);
 722         if (!p)
 723                 return -ENOMEM;
 724
 725         t4_ulprx_read_la(adap, (u32 *)p->data);
 726         return 0;
 727 }
 728
 729 static const struct file_operations ulprx_la_fops = {
 730         .owner   = THIS_MODULE,
 731         .open    = ulprx_la_open,
 732         .read    = seq_read,
 733         .llseek  = seq_lseek,
 734         .release = seq_release_private
 735 };
 736
 737 /* Show the PM memory stats.  These stats include:
 738  *
 739  * TX:
 740  *   Read: memory read operation
 741  *   Write Bypass: cut-through
 742  *   Bypass + mem: cut-through and save copy
 743  *
 744  * RX:
 745  *   Read: memory read
 746  *   Write Bypass: cut-through
 747  *   Flush: payload trim or drop
 748  */
 749 static int pm_stats_show(struct seq_file *seq, void *v)
 750 {
 751         static const char * const tx_pm_stats[] = {
 752                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 753         };
 754         static const char * const rx_pm_stats[] = {
 755                 "Read:", "Write bypass:", "Write mem:", "Flush:"
 756         };
 757
 758         int i;
 759         u32 tx_cnt[PM_NSTATS], rx_cnt[PM_NSTATS];
 760         u64 tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
 761         struct adapter *adap = seq->private;
 762
 763         t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
 764         t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
 765
 766         seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
 767         for (i = 0; i < PM_NSTATS - 1; i++)
 768                 seq_printf(seq, "%-13s %10u  %20llu\n",
 769                            tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
 770
 771         seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
 772         for (i = 0; i < PM_NSTATS - 1; i++)
 773                 seq_printf(seq, "%-13s %10u  %20llu\n",
 774                            rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
 775         return 0;
 776 }
 777
 778 static int pm_stats_open(struct inode *inode, struct file *file)
 779 {
 780         return single_open(file, pm_stats_show, inode->i_private);
 781 }
 782
 783 static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
 784                               size_t count, loff_t *pos)
 785 {
 786         struct adapter *adap = file_inode(file)->i_private;
 787
 788         t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
 789         t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
 790         return count;
 791 }
 792
 793 static const struct file_operations pm_stats_debugfs_fops = {
 794         .owner   = THIS_MODULE,
 795         .open    = pm_stats_open,
 796         .read    = seq_read,
 797         .llseek  = seq_lseek,
 798         .release = single_release,
 799         .write   = pm_stats_clear
 800 };
 801
 802 static int tx_rate_show(struct seq_file *seq, void *v)
 803 {
 804         u64 nrate[NCHAN], orate[NCHAN];
 805         struct adapter *adap = seq->private;
 806
 807         t4_get_chan_txrate(adap, nrate, orate);
 808         if (adap->params.arch.nchan == NCHAN) {
 809                 seq_puts(seq, "              channel 0   channel 1   "
 810                          "channel 2   channel 3\n");
 811                 seq_printf(seq, "NIC B/s:     %10llu  %10llu  %10llu  %10llu\n",
 812                            (unsigned long long)nrate[0],
 813                            (unsigned long long)nrate[1],
 814                            (unsigned long long)nrate[2],
 815                            (unsigned long long)nrate[3]);
 816                 seq_printf(seq, "Offload B/s: %10llu  %10llu  %10llu  %10llu\n",
 817                            (unsigned long long)orate[0],
 818                            (unsigned long long)orate[1],
 819                            (unsigned long long)orate[2],
 820                            (unsigned long long)orate[3]);
 821         } else {
 822                 seq_puts(seq, "              channel 0   channel 1\n");
 823                 seq_printf(seq, "NIC B/s:     %10llu  %10llu\n",
 824                            (unsigned long long)nrate[0],
 825                            (unsigned long long)nrate[1]);
 826                 seq_printf(seq, "Offload B/s: %10llu  %10llu\n",
 827                            (unsigned long long)orate[0],
 828                            (unsigned long long)orate[1]);
 829         }
 830         return 0;
 831 }
 832
 833 DEFINE_SIMPLE_DEBUGFS_FILE(tx_rate);
 834
 835 static int cctrl_tbl_show(struct seq_file *seq, void *v)
 836 {
 837         static const char * const dec_fac[] = {
 838                 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
 839                 "0.9375" };
 840
 841         int i;
 842         u16 (*incr)[NCCTRL_WIN];
 843         struct adapter *adap = seq->private;
 844
 845         incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL);
 846         if (!incr)
 847                 return -ENOMEM;
 848
 849         t4_read_cong_tbl(adap, incr);
 850
 851         for (i = 0; i < NCCTRL_WIN; ++i) {
 852                 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
 853                            incr[0][i], incr[1][i], incr[2][i], incr[3][i],
 854                            incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
 855                 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
 856                            incr[8][i], incr[9][i], incr[10][i], incr[11][i],
 857                            incr[12][i], incr[13][i], incr[14][i], incr[15][i],
 858                            adap->params.a_wnd[i],
 859                            dec_fac[adap->params.b_wnd[i]]);
 860         }
 861
 862         kfree(incr);
 863         return 0;
 864 }
 865
 866 DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
 867
 868 /* Format a value in a unit that differs from the value's native unit by the
 869  * given factor.
 870  */
 871 static char *unit_conv(char *buf, size_t len, unsigned int val,
 872                        unsigned int factor)
 873 {
 874         unsigned int rem = val % factor;
 875
 876         if (rem == 0) {
 877                 snprintf(buf, len, "%u", val / factor);
 878         } else {
 879                 while (rem % 10 == 0)
 880                         rem /= 10;
 881                 snprintf(buf, len, "%u.%u", val / factor, rem);
 882         }
 883         return buf;
 884 }
 885
 886 static int clk_show(struct seq_file *seq, void *v)
 887 {
 888         char buf[32];
 889         struct adapter *adap = seq->private;
 890         unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
 891         u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
 892         unsigned int tre = TIMERRESOLUTION_G(res);
 893         unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
 894         unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
 895
 896         seq_printf(seq, "Core clock period: %s ns\n",
 897                    unit_conv(buf, sizeof(buf), cclk_ps, 1000));
 898         seq_printf(seq, "TP timer tick: %s us\n",
 899                    unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
 900         seq_printf(seq, "TCP timestamp tick: %s us\n",
 901                    unit_conv(buf, sizeof(buf),
 902                              (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
 903         seq_printf(seq, "DACK tick: %s us\n",
 904                    unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
 905         seq_printf(seq, "DACK timer: %u us\n",
 906                    ((cclk_ps << dack_re) / 1000000) *
 907                    t4_read_reg(adap, TP_DACK_TIMER_A));
 908         seq_printf(seq, "Retransmit min: %llu us\n",
 909                    tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
 910         seq_printf(seq, "Retransmit max: %llu us\n",
 911                    tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
 912         seq_printf(seq, "Persist timer min: %llu us\n",
 913                    tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
 914         seq_printf(seq, "Persist timer max: %llu us\n",
 915                    tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
 916         seq_printf(seq, "Keepalive idle timer: %llu us\n",
 917                    tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
 918         seq_printf(seq, "Keepalive interval: %llu us\n",
 919                    tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
 920         seq_printf(seq, "Initial SRTT: %llu us\n",
 921                    tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
 922         seq_printf(seq, "FINWAIT2 timer: %llu us\n",
 923                    tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
 924
 925         return 0;
 926 }
 927
 928 DEFINE_SIMPLE_DEBUGFS_FILE(clk);
 929
 930 /* Firmware Device Log dump. */
 931 static const char * const devlog_level_strings[] = {
 932         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
 933         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
 934         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
 935         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
 936         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
 937         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
 938 };
 939
 940 static const char * const devlog_facility_strings[] = {
 941         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
 942         [FW_DEVLOG_FACILITY_CF]         = "CF",
 943         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
 944         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
 945         [FW_DEVLOG_FACILITY_RES]        = "RES",
 946         [FW_DEVLOG_FACILITY_HW]         = "HW",
 947         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
 948         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
 949         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
 950         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
 951         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
 952         [FW_DEVLOG_FACILITY_VI]         = "VI",
 953         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
 954         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
 955         [FW_DEVLOG_FACILITY_TM]         = "TM",
 956         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
 957         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
 958         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
 959         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
 960         [FW_DEVLOG_FACILITY_RI]         = "RI",
 961         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
 962         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
 963         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
 964         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
 965 };
 966
 967 /* Information gathered by Device Log Open routine for the display routine.
 968  */
 969 struct devlog_info {
 970         unsigned int nentries;          /* number of entries in log[] */
 971         unsigned int first;             /* first [temporal] entry in log[] */
 972         struct fw_devlog_e log[0];      /* Firmware Device Log */
 973 };
 974
 975 /* Dump a Firmaware Device Log entry.
 976  */
 977 static int devlog_show(struct seq_file *seq, void *v)
 978 {
 979         if (v == SEQ_START_TOKEN)
 980                 seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
 981                            "Seq#", "Tstamp", "Level", "Facility", "Message");
 982         else {
 983                 struct devlog_info *dinfo = seq->private;
 984                 int fidx = (uintptr_t)v - 2;
 985                 unsigned long index;
 986                 struct fw_devlog_e *e;
 987
 988                 /* Get a pointer to the log entry to display.  Skip unused log
 989                  * entries.
 990                  */
 991                 index = dinfo->first + fidx;
 992                 if (index >= dinfo->nentries)
 993                         index -= dinfo->nentries;
 994                 e = &dinfo->log[index];
 995                 if (e->timestamp == 0)
 996                         return 0;
 997
 998                 /* Print the message.  This depends on the firmware using
 999                  * exactly the same formating strings as the kernel so we may
1000                  * eventually have to put a format interpreter in here ...
1001                  */
1002                 seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
1003                            be32_to_cpu(e->seqno),
1004                            be64_to_cpu(e->timestamp),
1005                            (e->level < ARRAY_SIZE(devlog_level_strings)
1006                             ? devlog_level_strings[e->level]
1007                             : "UNKNOWN"),
1008                            (e->facility < ARRAY_SIZE(devlog_facility_strings)
1009                             ? devlog_facility_strings[e->facility]
1010                             : "UNKNOWN"));
1011                 seq_printf(seq, e->fmt,
1012                            be32_to_cpu(e->params[0]),
1013                            be32_to_cpu(e->params[1]),
1014                            be32_to_cpu(e->params[2]),
1015                            be32_to_cpu(e->params[3]),
1016                            be32_to_cpu(e->params[4]),
1017                            be32_to_cpu(e->params[5]),
1018                            be32_to_cpu(e->params[6]),
1019                            be32_to_cpu(e->params[7]));
1020         }
1021         return 0;
1022 }
1023
1024 /* Sequential File Operations for Device Log.
1025  */
1026 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
1027 {
1028         if (pos > dinfo->nentries)
1029                 return NULL;
1030
1031         return (void *)(uintptr_t)(pos + 1);
1032 }
1033
1034 static void *devlog_start(struct seq_file *seq, loff_t *pos)
1035 {
1036         struct devlog_info *dinfo = seq->private;
1037
1038         return (*pos
1039                 ? devlog_get_idx(dinfo, *pos)
1040                 : SEQ_START_TOKEN);
1041 }
1042
1043 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
1044 {
1045         struct devlog_info *dinfo = seq->private;
1046
1047         (*pos)++;
1048         return devlog_get_idx(dinfo, *pos);
1049 }
1050
1051 static void devlog_stop(struct seq_file *seq, void *v)
1052 {
1053 }
1054
1055 static const struct seq_operations devlog_seq_ops = {
1056         .start = devlog_start,
1057         .next  = devlog_next,
1058         .stop  = devlog_stop,
1059         .show  = devlog_show
1060 };
1061
1062 /* Set up for reading the firmware's device log.  We read the entire log here
1063  * and then display it incrementally in devlog_show().
1064  */
1065 static int devlog_open(struct inode *inode, struct file *file)
1066 {
1067         struct adapter *adap = inode->i_private;
1068         struct devlog_params *dparams = &adap->params.devlog;
1069         struct devlog_info *dinfo;
1070         unsigned int index;
1071         u32 fseqno;
1072         int ret;
1073
1074         /* If we don't know where the log is we can't do anything.
1075          */
1076         if (dparams->start == 0)
1077                 return -ENXIO;
1078
1079         /* Allocate the space to read in the firmware's device log and set up
1080          * for the iterated call to our display function.
1081          */
1082         dinfo = __seq_open_private(file, &devlog_seq_ops,
1083                                    sizeof(*dinfo) + dparams->size);
1084         if (!dinfo)
1085                 return -ENOMEM;
1086
1087         /* Record the basic log buffer information and read in the raw log.
1088          */
1089         dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
1090         dinfo->first = 0;
1091         spin_lock(&adap->win0_lock);
1092         ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
1093                            dparams->start, dparams->size, (__be32 *)dinfo->log,
1094                            T4_MEMORY_READ);
1095         spin_unlock(&adap->win0_lock);
1096         if (ret) {
1097                 seq_release_private(inode, file);
1098                 return ret;
1099         }
1100
1101         /* Find the earliest (lowest Sequence Number) log entry in the
1102          * circular Device Log.
1103          */
1104         for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
1105                 struct fw_devlog_e *e = &dinfo->log[index];
1106                 __u32 seqno;
1107
1108                 if (e->timestamp == 0)
1109                         continue;
1110
1111                 seqno = be32_to_cpu(e->seqno);
1112                 if (seqno < fseqno) {
1113                         fseqno = seqno;
1114                         dinfo->first = index;
1115                 }
1116         }
1117         return 0;
1118 }
1119
1120 static const struct file_operations devlog_fops = {
1121         .owner   = THIS_MODULE,
1122         .open    = devlog_open,
1123         .read    = seq_read,
1124         .llseek  = seq_lseek,
1125         .release = seq_release_private
1126 };
1127
1128 static int mbox_show(struct seq_file *seq, void *v)
1129 {
1130         static const char * const owner[] = { "none", "FW", "driver",
1131                                               "unknown", "<unread>" };
1132
1133         int i;
1134         unsigned int mbox = (uintptr_t)seq->private & 7;
1135         struct adapter *adap = seq->private - mbox;
1136         void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1137
1138         /* For T4 we don't have a shadow copy of the Mailbox Control register.
1139          * And since reading that real register causes a side effect of
1140          * granting ownership, we're best of simply not reading it at all.
1141          */
1142         if (is_t4(adap->params.chip)) {
1143                 i = 4; /* index of "<unread>" */
1144         } else {
1145                 unsigned int ctrl_reg = CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A;
1146                 void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
1147
1148                 i = MBOWNER_G(readl(ctrl));
1149         }
1150
1151         seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
1152
1153         for (i = 0; i < MBOX_LEN; i += 8)
1154                 seq_printf(seq, "%016llx\n",
1155                            (unsigned long long)readq(addr + i));
1156         return 0;
1157 }
1158
1159 static int mbox_open(struct inode *inode, struct file *file)
1160 {
1161         return single_open(file, mbox_show, inode->i_private);
1162 }
1163
1164 static ssize_t mbox_write(struct file *file, const char __user *buf,
1165                           size_t count, loff_t *pos)
1166 {
1167         int i;
1168         char c = '\n', s[256];
1169         unsigned long long data[8];
1170         const struct inode *ino;
1171         unsigned int mbox;
1172         struct adapter *adap;
1173         void __iomem *addr;
1174         void __iomem *ctrl;
1175
1176         if (count > sizeof(s) - 1 || !count)
1177                 return -EINVAL;
1178         if (copy_from_user(s, buf, count))
1179                 return -EFAULT;
1180         s[count] = '\0';
1181
1182         if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
1183                    &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
1184                    &data[7], &c) < 8 || c != '\n')
1185                 return -EINVAL;
1186
1187         ino = file_inode(file);
1188         mbox = (uintptr_t)ino->i_private & 7;
1189         adap = ino->i_private - mbox;
1190         addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1191         ctrl = addr + MBOX_LEN;
1192
1193         if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1194                 return -EBUSY;
1195
1196         for (i = 0; i < 8; i++)
1197                 writeq(data[i], addr + 8 * i);
1198
1199         writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1200         return count;
1201 }
1202
1203 static const struct file_operations mbox_debugfs_fops = {
1204         .owner   = THIS_MODULE,
1205         .open    = mbox_open,
1206         .read    = seq_read,
1207         .llseek  = seq_lseek,
1208         .release = single_release,
1209         .write   = mbox_write
1210 };
1211
1212 static int mps_trc_show(struct seq_file *seq, void *v)
1213 {
1214         int enabled, i;
1215         struct trace_params tp;
1216         unsigned int trcidx = (uintptr_t)seq->private & 3;
1217         struct adapter *adap = seq->private - trcidx;
1218
1219         t4_get_trace_filter(adap, &tp, trcidx, &enabled);
1220         if (!enabled) {
1221                 seq_puts(seq, "tracer is disabled\n");
1222                 return 0;
1223         }
1224
1225         if (tp.skip_ofst * 8 >= TRACE_LEN) {
1226                 dev_err(adap->pdev_dev, "illegal trace pattern skip offset\n");
1227                 return -EINVAL;
1228         }
1229         if (tp.port < 8) {
1230                 i = adap->chan_map[tp.port & 3];
1231                 if (i >= MAX_NPORTS) {
1232                         dev_err(adap->pdev_dev, "tracer %u is assigned "
1233                                 "to non-existing port\n", trcidx);
1234                         return -EINVAL;
1235                 }
1236                 seq_printf(seq, "tracer is capturing %s %s, ",
1237                            adap->port[i]->name, tp.port < 4 ? "Rx" : "Tx");
1238         } else
1239                 seq_printf(seq, "tracer is capturing loopback %d, ",
1240                            tp.port - 8);
1241         seq_printf(seq, "snap length: %u, min length: %u\n", tp.snap_len,
1242                    tp.min_len);
1243         seq_printf(seq, "packets captured %smatch filter\n",
1244                    tp.invert ? "do not " : "");
1245
1246         if (tp.skip_ofst) {
1247                 seq_puts(seq, "filter pattern: ");
1248                 for (i = 0; i < tp.skip_ofst * 2; i += 2)
1249                         seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1250                 seq_putc(seq, '/');
1251                 for (i = 0; i < tp.skip_ofst * 2; i += 2)
1252                         seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1253                 seq_puts(seq, "@0\n");
1254         }
1255
1256         seq_puts(seq, "filter pattern: ");
1257         for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1258                 seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1259         seq_putc(seq, '/');
1260         for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1261                 seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1262         seq_printf(seq, "@%u\n", (tp.skip_ofst + tp.skip_len) * 8);
1263         return 0;
1264 }
1265
1266 static int mps_trc_open(struct inode *inode, struct file *file)
1267 {
1268         return single_open(file, mps_trc_show, inode->i_private);
1269 }
1270
1271 static unsigned int xdigit2int(unsigned char c)
1272 {
1273         return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
1274 }
1275
1276 #define TRC_PORT_NONE 0xff
1277 #define TRC_RSS_ENABLE 0x33
1278 #define TRC_RSS_DISABLE 0x13
1279
1280 /* Set an MPS trace filter.  Syntax is:
1281  *
1282  * disable
1283  *
1284  * to disable tracing, or
1285  *
1286  * interface qid=<qid no> [snaplen=<val>] [minlen=<val>] [not] [<pattern>]...
1287  *
1288  * where interface is one of rxN, txN, or loopbackN, N = 0..3, qid can be one
1289  * of the NIC's response qid obtained from sge_qinfo and pattern has the form
1290  *
1291  * <pattern data>[/<pattern mask>][@<anchor>]
1292  *
1293  * Up to 2 filter patterns can be specified.  If 2 are supplied the first one
1294  * must be anchored at 0.  An omited mask is taken as a mask of 1s, an omitted
1295  * anchor is taken as 0.
1296  */
1297 static ssize_t mps_trc_write(struct file *file, const char __user *buf,
1298                              size_t count, loff_t *pos)
1299 {
1300         int i, enable, ret;
1301         u32 *data, *mask;
1302         struct trace_params tp;
1303         const struct inode *ino;
1304         unsigned int trcidx;
1305         char *s, *p, *word, *end;
1306         struct adapter *adap;
1307         u32 j;
1308
1309         ino = file_inode(file);
1310         trcidx = (uintptr_t)ino->i_private & 3;
1311         adap = ino->i_private - trcidx;
1312
1313         /* Don't accept input more than 1K, can't be anything valid except lots
1314          * of whitespace.  Well, use less.
1315          */
1316         if (count > 1024)
1317                 return -EFBIG;
1318         p = s = kzalloc(count + 1, GFP_USER);
1319         if (!s)
1320                 return -ENOMEM;
1321         if (copy_from_user(s, buf, count)) {
1322                 count = -EFAULT;
1323                 goto out;
1324         }
1325
1326         if (s[count - 1] == '\n')
1327                 s[count - 1] = '\0';
1328
1329         enable = strcmp("disable", s) != 0;
1330         if (!enable)
1331                 goto apply;
1332
1333         /* enable or disable trace multi rss filter */
1334         if (adap->trace_rss)
1335                 t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_ENABLE);
1336         else
1337                 t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_DISABLE);
1338
1339         memset(&tp, 0, sizeof(tp));
1340         tp.port = TRC_PORT_NONE;
1341         i = 0;  /* counts pattern nibbles */
1342
1343         while (p) {
1344                 while (isspace(*p))
1345                         p++;
1346                 word = strsep(&p, " ");
1347                 if (!*word)
1348                         break;
1349
1350                 if (!strncmp(word, "qid=", 4)) {
1351                         end = (char *)word + 4;
1352                         ret = kstrtouint(end, 10, &j);
1353                         if (ret)
1354                                 goto out;
1355                         if (!adap->trace_rss) {
1356                                 t4_write_reg(adap, MPS_T5_TRC_RSS_CONTROL_A, j);
1357                                 continue;
1358                         }
1359
1360                         switch (trcidx) {
1361                         case 0:
1362                                 t4_write_reg(adap, MPS_TRC_RSS_CONTROL_A, j);
1363                                 break;
1364                         case 1:
1365                                 t4_write_reg(adap,
1366                                              MPS_TRC_FILTER1_RSS_CONTROL_A, j);
1367                                 break;
1368                         case 2:
1369                                 t4_write_reg(adap,
1370                                              MPS_TRC_FILTER2_RSS_CONTROL_A, j);
1371                                 break;
1372                         case 3:
1373                                 t4_write_reg(adap,
1374                                              MPS_TRC_FILTER3_RSS_CONTROL_A, j);
1375                                 break;
1376                         }
1377                         continue;
1378                 }
1379                 if (!strncmp(word, "snaplen=", 8)) {
1380                         end = (char *)word + 8;
1381                         ret = kstrtouint(end, 10, &j);
1382                         if (ret || j > 9600) {
1383 inval:                          count = -EINVAL;
1384                                 goto out;
1385                         }
1386                         tp.snap_len = j;
1387                         continue;
1388                 }
1389                 if (!strncmp(word, "minlen=", 7)) {
1390                         end = (char *)word + 7;
1391                         ret = kstrtouint(end, 10, &j);
1392                         if (ret || j > TFMINPKTSIZE_M)
1393                                 goto inval;
1394                         tp.min_len = j;
1395                         continue;
1396                 }
1397                 if (!strcmp(word, "not")) {
1398                         tp.invert = !tp.invert;
1399                         continue;
1400                 }
1401                 if (!strncmp(word, "loopback", 8) && tp.port == TRC_PORT_NONE) {
1402                         if (word[8] < '0' || word[8] > '3' || word[9])
1403                                 goto inval;
1404                         tp.port = word[8] - '0' + 8;
1405                         continue;
1406                 }
1407                 if (!strncmp(word, "tx", 2) && tp.port == TRC_PORT_NONE) {
1408                         if (word[2] < '0' || word[2] > '3' || word[3])
1409                                 goto inval;
1410                         tp.port = word[2] - '0' + 4;
1411                         if (adap->chan_map[tp.port & 3] >= MAX_NPORTS)
1412                                 goto inval;
1413                         continue;
1414                 }
1415                 if (!strncmp(word, "rx", 2) && tp.port == TRC_PORT_NONE) {
1416                         if (word[2] < '0' || word[2] > '3' || word[3])
1417                                 goto inval;
1418                         tp.port = word[2] - '0';
1419                         if (adap->chan_map[tp.port] >= MAX_NPORTS)
1420                                 goto inval;
1421                         continue;
1422                 }
1423                 if (!isxdigit(*word))
1424                         goto inval;
1425
1426                 /* we have found a trace pattern */
1427                 if (i) {                            /* split pattern */
1428                         if (tp.skip_len)            /* too many splits */
1429                                 goto inval;
1430                         tp.skip_ofst = i / 16;
1431                 }
1432
1433                 data = &tp.data[i / 8];
1434                 mask = &tp.mask[i / 8];
1435                 j = i;
1436
1437                 while (isxdigit(*word)) {
1438                         if (i >= TRACE_LEN * 2) {
1439                                 count = -EFBIG;
1440                                 goto out;
1441                         }
1442                         *data = (*data << 4) + xdigit2int(*word++);
1443                         if (++i % 8 == 0)
1444                                 data++;
1445                 }
1446                 if (*word == '/') {
1447                         word++;
1448                         while (isxdigit(*word)) {
1449                                 if (j >= i)         /* mask longer than data */
1450                                         goto inval;
1451                                 *mask = (*mask << 4) + xdigit2int(*word++);
1452                                 if (++j % 8 == 0)
1453                                         mask++;
1454                         }
1455                         if (i != j)                 /* mask shorter than data */
1456                                 goto inval;
1457                 } else {                            /* no mask, use all 1s */
1458                         for ( ; i - j >= 8; j += 8)
1459                                 *mask++ = 0xffffffff;
1460                         if (i % 8)
1461                                 *mask = (1 << (i % 8) * 4) - 1;
1462                 }
1463                 if (*word == '@') {
1464                         end = (char *)word + 1;
1465                         ret = kstrtouint(end, 10, &j);
1466                         if (*end && *end != '\n')
1467                                 goto inval;
1468                         if (j & 7)          /* doesn't start at multiple of 8 */
1469                                 goto inval;
1470                         j /= 8;
1471                         if (j < tp.skip_ofst)     /* overlaps earlier pattern */
1472                                 goto inval;
1473                         if (j - tp.skip_ofst > 31)            /* skip too big */
1474                                 goto inval;
1475                         tp.skip_len = j - tp.skip_ofst;
1476                 }
1477                 if (i % 8) {
1478                         *data <<= (8 - i % 8) * 4;
1479                         *mask <<= (8 - i % 8) * 4;
1480                         i = (i + 15) & ~15;         /* 8-byte align */
1481                 }
1482         }
1483
1484         if (tp.port == TRC_PORT_NONE)
1485                 goto inval;
1486
1487 apply:
1488         i = t4_set_trace_filter(adap, &tp, trcidx, enable);
1489         if (i)
1490                 count = i;
1491 out:
1492         kfree(s);
1493         return count;
1494 }
1495
1496 static const struct file_operations mps_trc_debugfs_fops = {
1497         .owner   = THIS_MODULE,
1498         .open    = mps_trc_open,
1499         .read    = seq_read,
1500         .llseek  = seq_lseek,
1501         .release = single_release,
1502         .write   = mps_trc_write
1503 };
1504
1505 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1506                           loff_t *ppos)
1507 {
1508         loff_t pos = *ppos;
1509         loff_t avail = file_inode(file)->i_size;
1510         struct adapter *adap = file->private_data;
1511
1512         if (pos < 0)
1513                 return -EINVAL;
1514         if (pos >= avail)
1515                 return 0;
1516         if (count > avail - pos)
1517                 count = avail - pos;
1518
1519         while (count) {
1520                 size_t len;
1521                 int ret, ofst;
1522                 u8 data[256];
1523
1524                 ofst = pos & 3;
1525                 len = min(count + ofst, sizeof(data));
1526                 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1527                                     (u32 *)data, 1);
1528                 if (ret)
1529                         return ret;
1530
1531                 len -= ofst;
1532                 if (copy_to_user(buf, data + ofst, len))
1533                         return -EFAULT;
1534
1535                 buf += len;
1536                 pos += len;
1537                 count -= len;
1538         }
1539         count = pos - *ppos;
1540         *ppos = pos;
1541         return count;
1542 }
1543
1544 static const struct file_operations flash_debugfs_fops = {
1545         .owner   = THIS_MODULE,
1546         .open    = mem_open,
1547         .read    = flash_read,
1548 };
1549
1550 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1551 {
1552         *mask = x | y;
1553         y = (__force u64)cpu_to_be64(y);
1554         memcpy(addr, (char *)&y + 2, ETH_ALEN);
1555 }
1556
1557 static int mps_tcam_show(struct seq_file *seq, void *v)
1558 {
1559         struct adapter *adap = seq->private;
1560         unsigned int chip_ver = CHELSIO_CHIP_VERSION(adap->params.chip);
1561
1562         if (v == SEQ_START_TOKEN) {
1563                 if (adap->params.arch.mps_rplc_size > 128)
1564                         seq_puts(seq, "Idx  Ethernet address     Mask     "
1565                                  "Vld Ports PF  VF                           "
1566                                  "Replication                                "
1567                                  "    P0 P1 P2 P3  ML\n");
1568                 else
1569                         seq_puts(seq, "Idx  Ethernet address     Mask     "
1570                                  "Vld Ports PF  VF              Replication"
1571                                  "               P0 P1 P2 P3  ML\n");
1572         } else {
1573                 u64 mask;
1574                 u8 addr[ETH_ALEN];
1575                 bool replicate;
1576                 unsigned int idx = (uintptr_t)v - 2;
1577                 u64 tcamy, tcamx, val;
1578                 u32 cls_lo, cls_hi, ctl;
1579                 u32 rplc[8] = {0};
1580
1581                 if (chip_ver > CHELSIO_T5) {
1582                         /* CtlCmdType - 0: Read, 1: Write
1583                          * CtlTcamSel - 0: TCAM0, 1: TCAM1
1584                          * CtlXYBitSel- 0: Y bit, 1: X bit
1585                          */
1586
1587                         /* Read tcamy */
1588                         ctl = CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0);
1589                         if (idx < 256)
1590                                 ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0);
1591                         else
1592                                 ctl |= CTLTCAMINDEX_V(idx - 256) |
1593                                        CTLTCAMSEL_V(1);
1594                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1595                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1596                         tcamy = DMACH_G(val) << 32;
1597                         tcamy |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1598
1599                         /* Read tcamx. Change the control param */
1600                         ctl |= CTLXYBITSEL_V(1);
1601                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1602                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1603                         tcamx = DMACH_G(val) << 32;
1604                         tcamx |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1605                 } else {
1606                         tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1607                         tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1608                 }
1609
1610                 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1611                 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1612
1613                 if (tcamx & tcamy) {
1614                         seq_printf(seq, "%3u         -\n", idx);
1615                         goto out;
1616                 }
1617
1618                 rplc[0] = rplc[1] = rplc[2] = rplc[3] = 0;
1619                 if (chip_ver > CHELSIO_T5)
1620                         replicate = (cls_lo & T6_REPLICATE_F);
1621                 else
1622                         replicate = (cls_lo & REPLICATE_F);
1623
1624                 if (replicate) {
1625                         struct fw_ldst_cmd ldst_cmd;
1626                         int ret;
1627                         struct fw_ldst_mps_rplc mps_rplc;
1628                         u32 ldst_addrspc;
1629
1630                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1631                         ldst_addrspc =
1632                                 FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS);
1633                         ldst_cmd.op_to_addrspace =
1634                                 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1635                                       FW_CMD_REQUEST_F |
1636                                       FW_CMD_READ_F |
1637                                       ldst_addrspc);
1638                         ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1639                         ldst_cmd.u.mps.rplc.fid_idx =
1640                                 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1641                                       FW_LDST_CMD_IDX_V(idx));
1642                         ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1643                                          sizeof(ldst_cmd), &ldst_cmd);
1644                         if (ret)
1645                                 dev_warn(adap->pdev_dev, "Can't read MPS "
1646                                          "replication map for idx %d: %d\n",
1647                                          idx, -ret);
1648                         else {
1649                                 mps_rplc = ldst_cmd.u.mps.rplc;
1650                                 rplc[0] = ntohl(mps_rplc.rplc31_0);
1651                                 rplc[1] = ntohl(mps_rplc.rplc63_32);
1652                                 rplc[2] = ntohl(mps_rplc.rplc95_64);
1653                                 rplc[3] = ntohl(mps_rplc.rplc127_96);
1654                                 if (adap->params.arch.mps_rplc_size > 128) {
1655                                         rplc[4] = ntohl(mps_rplc.rplc159_128);
1656                                         rplc[5] = ntohl(mps_rplc.rplc191_160);
1657                                         rplc[6] = ntohl(mps_rplc.rplc223_192);
1658                                         rplc[7] = ntohl(mps_rplc.rplc255_224);
1659                                 }
1660                         }
1661                 }
1662
1663                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1664                 if (chip_ver > CHELSIO_T5)
1665                         seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1666                                    "%012llx%3c   %#x%4u%4d",
1667                                    idx, addr[0], addr[1], addr[2], addr[3],
1668                                    addr[4], addr[5], (unsigned long long)mask,
1669                                    (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1670                                    PORTMAP_G(cls_hi),
1671                                    T6_PF_G(cls_lo),
1672                                    (cls_lo & T6_VF_VALID_F) ?
1673                                    T6_VF_G(cls_lo) : -1);
1674                 else
1675                         seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1676                                    "%012llx%3c   %#x%4u%4d",
1677                                    idx, addr[0], addr[1], addr[2], addr[3],
1678                                    addr[4], addr[5], (unsigned long long)mask,
1679                                    (cls_lo & SRAM_VLD_F) ? 'Y' : 'N',
1680                                    PORTMAP_G(cls_hi),
1681                                    PF_G(cls_lo),
1682                                    (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1683
1684                 if (replicate) {
1685                         if (adap->params.arch.mps_rplc_size > 128)
1686                                 seq_printf(seq, " %08x %08x %08x %08x "
1687                                            "%08x %08x %08x %08x",
1688                                            rplc[7], rplc[6], rplc[5], rplc[4],
1689                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1690                         else
1691                                 seq_printf(seq, " %08x %08x %08x %08x",
1692                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1693                 } else {
1694                         if (adap->params.arch.mps_rplc_size > 128)
1695                                 seq_printf(seq, "%72c", ' ');
1696                         else
1697                                 seq_printf(seq, "%36c", ' ');
1698                 }
1699
1700                 if (chip_ver > CHELSIO_T5)
1701                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1702                                    T6_SRAM_PRIO0_G(cls_lo),
1703                                    T6_SRAM_PRIO1_G(cls_lo),
1704                                    T6_SRAM_PRIO2_G(cls_lo),
1705                                    T6_SRAM_PRIO3_G(cls_lo),
1706                                    (cls_lo >> T6_MULTILISTEN0_S) & 0xf);
1707                 else
1708                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1709                                    SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1710                                    SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1711                                    (cls_lo >> MULTILISTEN0_S) & 0xf);
1712         }
1713 out:    return 0;
1714 }
1715
1716 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1717 {
1718         struct adapter *adap = seq->private;
1719         int max_mac_addr = is_t4(adap->params.chip) ?
1720                                 NUM_MPS_CLS_SRAM_L_INSTANCES :
1721                                 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1722         return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1723 }
1724
1725 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1726 {
1727         return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1728 }
1729
1730 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1731 {
1732         ++*pos;
1733         return mps_tcam_get_idx(seq, *pos);
1734 }
1735
1736 static void mps_tcam_stop(struct seq_file *seq, void *v)
1737 {
1738 }
1739
1740 static const struct seq_operations mps_tcam_seq_ops = {
1741         .start = mps_tcam_start,
1742         .next  = mps_tcam_next,
1743         .stop  = mps_tcam_stop,
1744         .show  = mps_tcam_show
1745 };
1746
1747 static int mps_tcam_open(struct inode *inode, struct file *file)
1748 {
1749         int res = seq_open(file, &mps_tcam_seq_ops);
1750
1751         if (!res) {
1752                 struct seq_file *seq = file->private_data;
1753
1754                 seq->private = inode->i_private;
1755         }
1756         return res;
1757 }
1758
1759 static const struct file_operations mps_tcam_debugfs_fops = {
1760         .owner   = THIS_MODULE,
1761         .open    = mps_tcam_open,
1762         .read    = seq_read,
1763         .llseek  = seq_lseek,
1764         .release = seq_release,
1765 };
1766
1767 /* Display various sensor information.
1768  */
1769 static int sensors_show(struct seq_file *seq, void *v)
1770 {
1771         struct adapter *adap = seq->private;
1772         u32 param[7], val[7];
1773         int ret;
1774
1775         /* Note that if the sensors haven't been initialized and turned on
1776          * we'll get values of 0, so treat those as "<unknown>" ...
1777          */
1778         param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1779                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1780                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1781         param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1782                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1783                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1784         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
1785                               param, val);
1786
1787         if (ret < 0 || val[0] == 0)
1788                 seq_puts(seq, "Temperature: <unknown>\n");
1789         else
1790                 seq_printf(seq, "Temperature: %dC\n", val[0]);
1791
1792         if (ret < 0 || val[1] == 0)
1793                 seq_puts(seq, "Core VDD:    <unknown>\n");
1794         else
1795                 seq_printf(seq, "Core VDD:    %dmV\n", val[1]);
1796
1797         return 0;
1798 }
1799
1800 DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1801
1802 #if IS_ENABLED(CONFIG_IPV6)
1803 static int clip_tbl_open(struct inode *inode, struct file *file)
1804 {
1805         return single_open(file, clip_tbl_show, inode->i_private);
1806 }
1807
1808 static const struct file_operations clip_tbl_debugfs_fops = {
1809         .owner   = THIS_MODULE,
1810         .open    = clip_tbl_open,
1811         .read    = seq_read,
1812         .llseek  = seq_lseek,
1813         .release = single_release
1814 };
1815 #endif
1816
1817 /*RSS Table.
1818  */
1819
1820 static int rss_show(struct seq_file *seq, void *v, int idx)
1821 {
1822         u16 *entry = v;
1823
1824         seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
1825                    idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1826                    entry[5], entry[6], entry[7]);
1827         return 0;
1828 }
1829
1830 static int rss_open(struct inode *inode, struct file *file)
1831 {
1832         int ret;
1833         struct seq_tab *p;
1834         struct adapter *adap = inode->i_private;
1835
1836         p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
1837         if (!p)
1838                 return -ENOMEM;
1839
1840         ret = t4_read_rss(adap, (u16 *)p->data);
1841         if (ret)
1842                 seq_release_private(inode, file);
1843
1844         return ret;
1845 }
1846
1847 static const struct file_operations rss_debugfs_fops = {
1848         .owner   = THIS_MODULE,
1849         .open    = rss_open,
1850         .read    = seq_read,
1851         .llseek  = seq_lseek,
1852         .release = seq_release_private
1853 };
1854
1855 /* RSS Configuration.
1856  */
1857
1858 /* Small utility function to return the strings "yes" or "no" if the supplied
1859  * argument is non-zero.
1860  */
1861 static const char *yesno(int x)
1862 {
1863         static const char *yes = "yes";
1864         static const char *no = "no";
1865
1866         return x ? yes : no;
1867 }
1868
1869 static int rss_config_show(struct seq_file *seq, void *v)
1870 {
1871         struct adapter *adapter = seq->private;
1872         static const char * const keymode[] = {
1873                 "global",
1874                 "global and per-VF scramble",
1875                 "per-PF and per-VF scramble",
1876                 "per-VF and per-VF scramble",
1877         };
1878         u32 rssconf;
1879
1880         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
1881         seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
1882         seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
1883                                                         TNL4TUPENIPV6_F));
1884         seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
1885                                                         TNL2TUPENIPV6_F));
1886         seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
1887                                                         TNL4TUPENIPV4_F));
1888         seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
1889                                                         TNL2TUPENIPV4_F));
1890         seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
1891         seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
1892         seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
1893         seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
1894         seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
1895                                                         OFDHASHSAVE_F));
1896         seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
1897         seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
1898         seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
1899         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1900                                                         SYN4TUPENIPV6_F));
1901         seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
1902                                                         SYN2TUPENIPV6_F));
1903         seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
1904                                                         SYN4TUPENIPV4_F));
1905         seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
1906                                                         SYN2TUPENIPV4_F));
1907         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1908                                                         SYN4TUPENIPV6_F));
1909         seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
1910         seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
1911         seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
1912         seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
1913         seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
1914                                                         CHANNELENABLE_F));
1915         seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
1916                                                         PORTENABLE_F));
1917         seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
1918                                                         TNLALLLOOKUP_F));
1919         seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
1920                                                         VIRTENABLE_F));
1921         seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
1922                                                         CONGESTIONENABLE_F));
1923         seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
1924                                                         HASHTOEPLITZ_F));
1925         seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
1926         seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
1927
1928         seq_puts(seq, "\n");
1929
1930         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
1931         seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
1932         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1933         seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
1934         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1935                 seq_printf(seq, "  HashAll:     %3s\n",
1936                            yesno(rssconf & HASHALL_F));
1937                 seq_printf(seq, "  HashEth:     %3s\n",
1938                            yesno(rssconf & HASHETH_F));
1939         }
1940         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
1941
1942         seq_puts(seq, "\n");
1943
1944         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
1945         seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
1946         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1947         seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
1948                                                         RRCPLMAPEN_F));
1949         seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
1950
1951         seq_puts(seq, "\n");
1952
1953         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
1954         seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
1955         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1956         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
1957
1958         seq_puts(seq, "\n");
1959
1960         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
1961         seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
1962         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1963                 seq_printf(seq, "  KeyWrAddrX:     %3d\n",
1964                            KEYWRADDRX_G(rssconf));
1965                 seq_printf(seq, "  KeyExtend:      %3s\n",
1966                            yesno(rssconf & KEYEXTEND_F));
1967         }
1968         seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
1969         seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
1970         seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
1971         seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
1972         seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
1973                                                         DISABLEVLAN_F));
1974         seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
1975         seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
1976         if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
1977                 seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
1978         else
1979                 seq_printf(seq, "  VfWrAddr:      %3d\n",
1980                            T6_VFWRADDR_G(rssconf));
1981         seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
1982         seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
1983         seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
1984         seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
1985
1986         seq_puts(seq, "\n");
1987
1988         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
1989         seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
1990         seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
1991         seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
1992         seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
1993         seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
1994         seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
1995                                                         CHNUNDFLOW3_F));
1996         seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
1997                                                         CHNUNDFLOW2_F));
1998         seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
1999                                                         CHNUNDFLOW1_F));
2000         seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
2001                                                         CHNUNDFLOW0_F));
2002         seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
2003         seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
2004         seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
2005         seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
2006         seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
2007         seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
2008         seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
2009         seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
2010         seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
2011         seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
2012         seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
2013
2014         return 0;
2015 }
2016
2017 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
2018
2019 /* RSS Secret Key.
2020  */
2021
2022 static int rss_key_show(struct seq_file *seq, void *v)
2023 {
2024         u32 key[10];
2025
2026         t4_read_rss_key(seq->private, key);
2027         seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
2028                    key[9], key[8], key[7], key[6], key[5], key[4], key[3],
2029                    key[2], key[1], key[0]);
2030         return 0;
2031 }
2032
2033 static int rss_key_open(struct inode *inode, struct file *file)
2034 {
2035         return single_open(file, rss_key_show, inode->i_private);
2036 }
2037
2038 static ssize_t rss_key_write(struct file *file, const char __user *buf,
2039                              size_t count, loff_t *pos)
2040 {
2041         int i, j;
2042         u32 key[10];
2043         char s[100], *p;
2044         struct adapter *adap = file_inode(file)->i_private;
2045
2046         if (count > sizeof(s) - 1)
2047                 return -EINVAL;
2048         if (copy_from_user(s, buf, count))
2049                 return -EFAULT;
2050         for (i = count; i > 0 && isspace(s[i - 1]); i--)
2051                 ;
2052         s[i] = '\0';
2053
2054         for (p = s, i = 9; i >= 0; i--) {
2055                 key[i] = 0;
2056                 for (j = 0; j < 8; j++, p++) {
2057                         if (!isxdigit(*p))
2058                                 return -EINVAL;
2059                         key[i] = (key[i] << 4) | hex2val(*p);
2060                 }
2061         }
2062
2063         t4_write_rss_key(adap, key, -1);
2064         return count;
2065 }
2066
2067 static const struct file_operations rss_key_debugfs_fops = {
2068         .owner   = THIS_MODULE,
2069         .open    = rss_key_open,
2070         .read    = seq_read,
2071         .llseek  = seq_lseek,
2072         .release = single_release,
2073         .write   = rss_key_write
2074 };
2075
2076 /* PF RSS Configuration.
2077  */
2078
2079 struct rss_pf_conf {
2080         u32 rss_pf_map;
2081         u32 rss_pf_mask;
2082         u32 rss_pf_config;
2083 };
2084
2085 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
2086 {
2087         struct rss_pf_conf *pfconf;
2088
2089         if (v == SEQ_START_TOKEN) {
2090                 /* use the 0th entry to dump the PF Map Index Size */
2091                 pfconf = seq->private + offsetof(struct seq_tab, data);
2092                 seq_printf(seq, "PF Map Index Size = %d\n\n",
2093                            LKPIDXSIZE_G(pfconf->rss_pf_map));
2094
2095                 seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
2096                 seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
2097                 seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
2098         } else {
2099                 #define G_PFnLKPIDX(map, n) \
2100                         (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
2101                 #define G_PFnMSKSIZE(mask, n) \
2102                         (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
2103
2104                 pfconf = v;
2105                 seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
2106                            idx,
2107                            yesno(pfconf->rss_pf_config & MAPENABLE_F),
2108                            yesno(pfconf->rss_pf_config & CHNENABLE_F),
2109                            yesno(pfconf->rss_pf_config & PRTENABLE_F),
2110                            G_PFnLKPIDX(pfconf->rss_pf_map, idx),
2111                            G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
2112                            IVFWIDTH_G(pfconf->rss_pf_config),
2113                            yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
2114                            yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
2115                            yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
2116                            yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
2117                            yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
2118                            CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
2119                            CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
2120
2121                 #undef G_PFnLKPIDX
2122                 #undef G_PFnMSKSIZE
2123         }
2124         return 0;
2125 }
2126
2127 static int rss_pf_config_open(struct inode *inode, struct file *file)
2128 {
2129         struct adapter *adapter = inode->i_private;
2130         struct seq_tab *p;
2131         u32 rss_pf_map, rss_pf_mask;
2132         struct rss_pf_conf *pfconf;
2133         int pf;
2134
2135         p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
2136         if (!p)
2137                 return -ENOMEM;
2138
2139         pfconf = (struct rss_pf_conf *)p->data;
2140         rss_pf_map = t4_read_rss_pf_map(adapter);
2141         rss_pf_mask = t4_read_rss_pf_mask(adapter);
2142         for (pf = 0; pf < 8; pf++) {
2143                 pfconf[pf].rss_pf_map = rss_pf_map;
2144                 pfconf[pf].rss_pf_mask = rss_pf_mask;
2145                 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
2146         }
2147         return 0;
2148 }
2149
2150 static const struct file_operations rss_pf_config_debugfs_fops = {
2151         .owner   = THIS_MODULE,
2152         .open    = rss_pf_config_open,
2153         .read    = seq_read,
2154         .llseek  = seq_lseek,
2155         .release = seq_release_private
2156 };
2157
2158 /* VF RSS Configuration.
2159  */
2160
2161 struct rss_vf_conf {
2162         u32 rss_vf_vfl;
2163         u32 rss_vf_vfh;
2164 };
2165
2166 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
2167 {
2168         if (v == SEQ_START_TOKEN) {
2169                 seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
2170                 seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
2171                 seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
2172         } else {
2173                 struct rss_vf_conf *vfconf = v;
2174
2175                 seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
2176                            idx,
2177                            yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
2178                            yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
2179                            VFLKPIDX_G(vfconf->rss_vf_vfh),
2180                            yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
2181                            yesno(vfconf->rss_vf_vfh & VFUPEN_F),
2182                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2183                            yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
2184                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2185                            yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
2186                            yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
2187                            DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
2188                            KEYINDEX_G(vfconf->rss_vf_vfh),
2189                            vfconf->rss_vf_vfl);
2190         }
2191         return 0;
2192 }
2193
2194 static int rss_vf_config_open(struct inode *inode, struct file *file)
2195 {
2196         struct adapter *adapter = inode->i_private;
2197         struct seq_tab *p;
2198         struct rss_vf_conf *vfconf;
2199         int vf, vfcount = adapter->params.arch.vfcount;
2200
2201         p = seq_open_tab(file, vfcount, sizeof(*vfconf), 1, rss_vf_config_show);
2202         if (!p)
2203                 return -ENOMEM;
2204
2205         vfconf = (struct rss_vf_conf *)p->data;
2206         for (vf = 0; vf < vfcount; vf++) {
2207                 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
2208                                       &vfconf[vf].rss_vf_vfh);
2209         }
2210         return 0;
2211 }
2212
2213 static const struct file_operations rss_vf_config_debugfs_fops = {
2214         .owner   = THIS_MODULE,
2215         .open    = rss_vf_config_open,
2216         .read    = seq_read,
2217         .llseek  = seq_lseek,
2218         .release = seq_release_private
2219 };
2220
2221 /**
2222  * ethqset2pinfo - return port_info of an Ethernet Queue Set
2223  * @adap: the adapter
2224  * @qset: Ethernet Queue Set
2225  */
2226 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
2227 {
2228         int pidx;
2229
2230         for_each_port(adap, pidx) {
2231                 struct port_info *pi = adap2pinfo(adap, pidx);
2232
2233                 if (qset >= pi->first_qset &&
2234                     qset < pi->first_qset + pi->nqsets)
2235                         return pi;
2236         }
2237
2238         /* should never happen! */
2239         BUG_ON(1);
2240         return NULL;
2241 }
2242
2243 static int sge_qinfo_show(struct seq_file *seq, void *v)
2244 {
2245         struct adapter *adap = seq->private;
2246         int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
2247         int iscsi_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
2248         int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
2249         int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
2250         int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
2251         int i, r = (uintptr_t)v - 1;
2252         int iscsi_idx = r - eth_entries;
2253         int rdma_idx = iscsi_idx - iscsi_entries;
2254         int ciq_idx = rdma_idx - rdma_entries;
2255         int ctrl_idx =  ciq_idx - ciq_entries;
2256         int fq_idx =  ctrl_idx - ctrl_entries;
2257
2258         if (r)
2259                 seq_putc(seq, '\n');
2260
2261 #define S3(fmt_spec, s, v) \
2262 do { \
2263         seq_printf(seq, "%-12s", s); \
2264         for (i = 0; i < n; ++i) \
2265                 seq_printf(seq, " %16" fmt_spec, v); \
2266                 seq_putc(seq, '\n'); \
2267 } while (0)
2268 #define S(s, v) S3("s", s, v)
2269 #define T3(fmt_spec, s, v) S3(fmt_spec, s, tx[i].v)
2270 #define T(s, v) S3("u", s, tx[i].v)
2271 #define TL(s, v) T3("lu", s, v)
2272 #define R3(fmt_spec, s, v) S3(fmt_spec, s, rx[i].v)
2273 #define R(s, v) S3("u", s, rx[i].v)
2274 #define RL(s, v) R3("lu", s, v)
2275
2276         if (r < eth_entries) {
2277                 int base_qset = r * 4;
2278                 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
2279                 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
2280                 int n = min(4, adap->sge.ethqsets - 4 * r);
2281
2282                 S("QType:", "Ethernet");
2283                 S("Interface:",
2284                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2285                 T("TxQ ID:", q.cntxt_id);
2286                 T("TxQ size:", q.size);
2287                 T("TxQ inuse:", q.in_use);
2288                 T("TxQ CIDX:", q.cidx);
2289                 T("TxQ PIDX:", q.pidx);
2290 #ifdef CONFIG_CHELSIO_T4_DCB
2291                 T("DCB Prio:", dcb_prio);
2292                 S3("u", "DCB PGID:",
2293                    (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
2294                     4*(7-tx[i].dcb_prio)) & 0xf);
2295                 S3("u", "DCB PFC:",
2296                    (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
2297                     1*(7-tx[i].dcb_prio)) & 0x1);
2298 #endif
2299                 R("RspQ ID:", rspq.abs_id);
2300                 R("RspQ size:", rspq.size);
2301                 R("RspQE size:", rspq.iqe_len);
2302                 R("RspQ CIDX:", rspq.cidx);
2303                 R("RspQ Gen:", rspq.gen);
2304                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2305                 S3("u", "Intr pktcnt:",
2306                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2307                 R("FL ID:", fl.cntxt_id);
2308                 R("FL size:", fl.size - 8);
2309                 R("FL pend:", fl.pend_cred);
2310                 R("FL avail:", fl.avail);
2311                 R("FL PIDX:", fl.pidx);
2312                 R("FL CIDX:", fl.cidx);
2313                 RL("RxPackets:", stats.pkts);
2314                 RL("RxCSO:", stats.rx_cso);
2315                 RL("VLANxtract:", stats.vlan_ex);
2316                 RL("LROmerged:", stats.lro_merged);
2317                 RL("LROpackets:", stats.lro_pkts);
2318                 RL("RxDrops:", stats.rx_drops);
2319                 TL("TSO:", tso);
2320                 TL("TxCSO:", tx_cso);
2321                 TL("VLANins:", vlan_ins);
2322                 TL("TxQFull:", q.stops);
2323                 TL("TxQRestarts:", q.restarts);
2324                 TL("TxMapErr:", mapping_err);
2325                 RL("FLAllocErr:", fl.alloc_failed);
2326                 RL("FLLrgAlcErr:", fl.large_alloc_failed);
2327                 RL("FLStarving:", fl.starving);
2328
2329         } else if (iscsi_idx < iscsi_entries) {
2330                 const struct sge_ofld_rxq *rx =
2331                         &adap->sge.ofldrxq[iscsi_idx * 4];
2332                 const struct sge_ofld_txq *tx =
2333                         &adap->sge.ofldtxq[iscsi_idx * 4];
2334                 int n = min(4, adap->sge.ofldqsets - 4 * iscsi_idx);
2335
2336                 S("QType:", "iSCSI");
2337                 T("TxQ ID:", q.cntxt_id);
2338                 T("TxQ size:", q.size);
2339                 T("TxQ inuse:", q.in_use);
2340                 T("TxQ CIDX:", q.cidx);
2341                 T("TxQ PIDX:", q.pidx);
2342                 R("RspQ ID:", rspq.abs_id);
2343                 R("RspQ size:", rspq.size);
2344                 R("RspQE size:", rspq.iqe_len);
2345                 R("RspQ CIDX:", rspq.cidx);
2346                 R("RspQ Gen:", rspq.gen);
2347                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2348                 S3("u", "Intr pktcnt:",
2349                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2350                 R("FL ID:", fl.cntxt_id);
2351                 R("FL size:", fl.size - 8);
2352                 R("FL pend:", fl.pend_cred);
2353                 R("FL avail:", fl.avail);
2354                 R("FL PIDX:", fl.pidx);
2355                 R("FL CIDX:", fl.cidx);
2356                 RL("RxPackets:", stats.pkts);
2357                 RL("RxImmPkts:", stats.imm);
2358                 RL("RxNoMem:", stats.nomem);
2359                 RL("FLAllocErr:", fl.alloc_failed);
2360                 RL("FLLrgAlcErr:", fl.large_alloc_failed);
2361                 RL("FLStarving:", fl.starving);
2362
2363         } else if (rdma_idx < rdma_entries) {
2364                 const struct sge_ofld_rxq *rx =
2365                                 &adap->sge.rdmarxq[rdma_idx * 4];
2366                 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
2367
2368                 S("QType:", "RDMA-CPL");
2369                 S("Interface:",
2370                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2371                 R("RspQ ID:", rspq.abs_id);
2372                 R("RspQ size:", rspq.size);
2373                 R("RspQE size:", rspq.iqe_len);
2374                 R("RspQ CIDX:", rspq.cidx);
2375                 R("RspQ Gen:", rspq.gen);
2376                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2377                 S3("u", "Intr pktcnt:",
2378                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2379                 R("FL ID:", fl.cntxt_id);
2380                 R("FL size:", fl.size - 8);
2381                 R("FL pend:", fl.pend_cred);
2382                 R("FL avail:", fl.avail);
2383                 R("FL PIDX:", fl.pidx);
2384                 R("FL CIDX:", fl.cidx);
2385                 RL("RxPackets:", stats.pkts);
2386                 RL("RxImmPkts:", stats.imm);
2387                 RL("RxNoMem:", stats.nomem);
2388                 RL("FLAllocErr:", fl.alloc_failed);
2389                 RL("FLLrgAlcErr:", fl.large_alloc_failed);
2390                 RL("FLStarving:", fl.starving);
2391
2392         } else if (ciq_idx < ciq_entries) {
2393                 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
2394                 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
2395
2396                 S("QType:", "RDMA-CIQ");
2397                 S("Interface:",
2398                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2399                 R("RspQ ID:", rspq.abs_id);
2400                 R("RspQ size:", rspq.size);
2401                 R("RspQE size:", rspq.iqe_len);
2402                 R("RspQ CIDX:", rspq.cidx);
2403                 R("RspQ Gen:", rspq.gen);
2404                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2405                 S3("u", "Intr pktcnt:",
2406                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2407                 RL("RxAN:", stats.an);
2408                 RL("RxNoMem:", stats.nomem);
2409
2410         } else if (ctrl_idx < ctrl_entries) {
2411                 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
2412                 int n = min(4, adap->params.nports - 4 * ctrl_idx);
2413
2414                 S("QType:", "Control");
2415                 T("TxQ ID:", q.cntxt_id);
2416                 T("TxQ size:", q.size);
2417                 T("TxQ inuse:", q.in_use);
2418                 T("TxQ CIDX:", q.cidx);
2419                 T("TxQ PIDX:", q.pidx);
2420                 TL("TxQFull:", q.stops);
2421                 TL("TxQRestarts:", q.restarts);
2422         } else if (fq_idx == 0) {
2423                 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
2424
2425                 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
2426                 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
2427                 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
2428                 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
2429                 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
2430                 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
2431                 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
2432                            qtimer_val(adap, evtq));
2433                 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
2434                            adap->sge.counter_val[evtq->pktcnt_idx]);
2435         }
2436 #undef R
2437 #undef RL
2438 #undef T
2439 #undef TL
2440 #undef S
2441 #undef R3
2442 #undef T3
2443 #undef S3
2444         return 0;
2445 }
2446
2447 static int sge_queue_entries(const struct adapter *adap)
2448 {
2449         return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
2450                DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
2451                DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
2452                DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
2453                DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
2454 }
2455
2456 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
2457 {
2458         int entries = sge_queue_entries(seq->private);
2459
2460         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2461 }
2462
2463 static void sge_queue_stop(struct seq_file *seq, void *v)
2464 {
2465 }
2466
2467 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
2468 {
2469         int entries = sge_queue_entries(seq->private);
2470
2471         ++*pos;
2472         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2473 }
2474
2475 static const struct seq_operations sge_qinfo_seq_ops = {
2476         .start = sge_queue_start,
2477         .next  = sge_queue_next,
2478         .stop  = sge_queue_stop,
2479         .show  = sge_qinfo_show
2480 };
2481
2482 static int sge_qinfo_open(struct inode *inode, struct file *file)
2483 {
2484         int res = seq_open(file, &sge_qinfo_seq_ops);
2485
2486         if (!res) {
2487                 struct seq_file *seq = file->private_data;
2488
2489                 seq->private = inode->i_private;
2490         }
2491         return res;
2492 }
2493
2494 static const struct file_operations sge_qinfo_debugfs_fops = {
2495         .owner   = THIS_MODULE,
2496         .open    = sge_qinfo_open,
2497         .read    = seq_read,
2498         .llseek  = seq_lseek,
2499         .release = seq_release,
2500 };
2501
2502 int mem_open(struct inode *inode, struct file *file)
2503 {
2504         unsigned int mem;
2505         struct adapter *adap;
2506
2507         file->private_data = inode->i_private;
2508
2509         mem = (uintptr_t)file->private_data & 0x3;
2510         adap = file->private_data - mem;
2511
2512         (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
2513
2514         return 0;
2515 }
2516
2517 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
2518                         loff_t *ppos)
2519 {
2520         loff_t pos = *ppos;
2521         loff_t avail = file_inode(file)->i_size;
2522         unsigned int mem = (uintptr_t)file->private_data & 3;
2523         struct adapter *adap = file->private_data - mem;
2524         __be32 *data;
2525         int ret;
2526
2527         if (pos < 0)
2528                 return -EINVAL;
2529         if (pos >= avail)
2530                 return 0;
2531         if (count > avail - pos)
2532                 count = avail - pos;
2533
2534         data = t4_alloc_mem(count);
2535         if (!data)
2536                 return -ENOMEM;
2537
2538         spin_lock(&adap->win0_lock);
2539         ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
2540         spin_unlock(&adap->win0_lock);
2541         if (ret) {
2542                 t4_free_mem(data);
2543                 return ret;
2544         }
2545         ret = copy_to_user(buf, data, count);
2546
2547         t4_free_mem(data);
2548         if (ret)
2549                 return -EFAULT;
2550
2551         *ppos = pos + count;
2552         return count;
2553 }
2554 static const struct file_operations mem_debugfs_fops = {
2555         .owner   = THIS_MODULE,
2556         .open    = simple_open,
2557         .read    = mem_read,
2558         .llseek  = default_llseek,
2559 };
2560
2561 static int tid_info_show(struct seq_file *seq, void *v)
2562 {
2563         struct adapter *adap = seq->private;
2564         const struct tid_info *t = &adap->tids;
2565         enum chip_type chip = CHELSIO_CHIP_VERSION(adap->params.chip);
2566
2567         if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
2568                 unsigned int sb;
2569
2570                 if (chip <= CHELSIO_T5)
2571                         sb = t4_read_reg(adap, LE_DB_SERVER_INDEX_A) / 4;
2572                 else
2573                         sb = t4_read_reg(adap, LE_DB_SRVR_START_INDEX_A);
2574
2575                 if (sb) {
2576                         seq_printf(seq, "TID range: 0..%u/%u..%u", sb - 1,
2577                                    adap->tids.hash_base,
2578                                    t->ntids - 1);
2579                         seq_printf(seq, ", in use: %u/%u\n",
2580                                    atomic_read(&t->tids_in_use),
2581                                    atomic_read(&t->hash_tids_in_use));
2582                 } else if (adap->flags & FW_OFLD_CONN) {
2583                         seq_printf(seq, "TID range: %u..%u/%u..%u",
2584                                    t->aftid_base,
2585                                    t->aftid_end,
2586                                    adap->tids.hash_base,
2587                                    t->ntids - 1);
2588                         seq_printf(seq, ", in use: %u/%u\n",
2589                                    atomic_read(&t->tids_in_use),
2590                                    atomic_read(&t->hash_tids_in_use));
2591                 } else {
2592                         seq_printf(seq, "TID range: %u..%u",
2593                                    adap->tids.hash_base,
2594                                    t->ntids - 1);
2595                         seq_printf(seq, ", in use: %u\n",
2596                                    atomic_read(&t->hash_tids_in_use));
2597                 }
2598         } else if (t->ntids) {
2599                 seq_printf(seq, "TID range: 0..%u", t->ntids - 1);
2600                 seq_printf(seq, ", in use: %u\n",
2601                            atomic_read(&t->tids_in_use));
2602         }
2603
2604         if (t->nstids)
2605                 seq_printf(seq, "STID range: %u..%u, in use: %u\n",
2606                            (!t->stid_base &&
2607                            (chip <= CHELSIO_T5)) ?
2608                            t->stid_base + 1 : t->stid_base,
2609                            t->stid_base + t->nstids - 1, t->stids_in_use);
2610         if (t->natids)
2611                 seq_printf(seq, "ATID range: 0..%u, in use: %u\n",
2612                            t->natids - 1, t->atids_in_use);
2613         seq_printf(seq, "FTID range: %u..%u\n", t->ftid_base,
2614                    t->ftid_base + t->nftids - 1);
2615         if (t->nsftids)
2616                 seq_printf(seq, "SFTID range: %u..%u in use: %u\n",
2617                            t->sftid_base, t->sftid_base + t->nsftids - 2,
2618                            t->sftids_in_use);
2619         if (t->ntids)
2620                 seq_printf(seq, "HW TID usage: %u IP users, %u IPv6 users\n",
2621                            t4_read_reg(adap, LE_DB_ACT_CNT_IPV4_A),
2622                            t4_read_reg(adap, LE_DB_ACT_CNT_IPV6_A));
2623         return 0;
2624 }
2625
2626 DEFINE_SIMPLE_DEBUGFS_FILE(tid_info);
2627
2628 static void add_debugfs_mem(struct adapter *adap, const char *name,
2629                             unsigned int idx, unsigned int size_mb)
2630 {
2631         debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
2632                                  (void *)adap + idx, &mem_debugfs_fops,
2633                                  size_mb << 20);
2634 }
2635
2636 static int blocked_fl_open(struct inode *inode, struct file *file)
2637 {
2638         file->private_data = inode->i_private;
2639         return 0;
2640 }
2641
2642 static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf,
2643                                size_t count, loff_t *ppos)
2644 {
2645         int len;
2646         const struct adapter *adap = filp->private_data;
2647         char *buf;
2648         ssize_t size = (adap->sge.egr_sz + 3) / 4 +
2649                         adap->sge.egr_sz / 32 + 2; /* includes ,/\n/\0 */
2650
2651         buf = kzalloc(size, GFP_KERNEL);
2652         if (!buf)
2653                 return -ENOMEM;
2654
2655         len = snprintf(buf, size - 1, "%*pb\n",
2656                        adap->sge.egr_sz, adap->sge.blocked_fl);
2657         len += sprintf(buf + len, "\n");
2658         size = simple_read_from_buffer(ubuf, count, ppos, buf, len);
2659         t4_free_mem(buf);
2660         return size;
2661 }
2662
2663 static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf,
2664                                 size_t count, loff_t *ppos)
2665 {
2666         int err;
2667         unsigned long *t;
2668         struct adapter *adap = filp->private_data;
2669
2670         t = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), sizeof(long), GFP_KERNEL);
2671         if (!t)
2672                 return -ENOMEM;
2673
2674         err = bitmap_parse_user(ubuf, count, t, adap->sge.egr_sz);
2675         if (err) {
2676                 kvfree(t);
2677                 return err;
2678         }
2679
2680         bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz);
2681         t4_free_mem(t);
2682         return count;
2683 }
2684
2685 static const struct file_operations blocked_fl_fops = {
2686         .owner   = THIS_MODULE,
2687         .open    = blocked_fl_open,
2688         .read    = blocked_fl_read,
2689         .write   = blocked_fl_write,
2690         .llseek  = generic_file_llseek,
2691 };
2692
2693 struct mem_desc {
2694         unsigned int base;
2695         unsigned int limit;
2696         unsigned int idx;
2697 };
2698
2699 static int mem_desc_cmp(const void *a, const void *b)
2700 {
2701         return ((const struct mem_desc *)a)->base -
2702                ((const struct mem_desc *)b)->base;
2703 }
2704
2705 static void mem_region_show(struct seq_file *seq, const char *name,
2706                             unsigned int from, unsigned int to)
2707 {
2708         char buf[40];
2709
2710         string_get_size((u64)to - from + 1, 1, STRING_UNITS_2, buf,
2711                         sizeof(buf));
2712         seq_printf(seq, "%-15s %#x-%#x [%s]\n", name, from, to, buf);
2713 }
2714
2715 static int meminfo_show(struct seq_file *seq, void *v)
2716 {
2717         static const char * const memory[] = { "EDC0:", "EDC1:", "MC:",
2718                                         "MC0:", "MC1:"};
2719         static const char * const region[] = {
2720                 "DBQ contexts:", "IMSG contexts:", "FLM cache:", "TCBs:",
2721                 "Pstructs:", "Timers:", "Rx FL:", "Tx FL:", "Pstruct FL:",
2722                 "Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:",
2723                 "TDDP region:", "TPT region:", "STAG region:", "RQ region:",
2724                 "RQUDP region:", "PBL region:", "TXPBL region:",
2725                 "DBVFIFO region:", "ULPRX state:", "ULPTX state:",
2726                 "On-chip queues:"
2727         };
2728
2729         int i, n;
2730         u32 lo, hi, used, alloc;
2731         struct mem_desc avail[4];
2732         struct mem_desc mem[ARRAY_SIZE(region) + 3];      /* up to 3 holes */
2733         struct mem_desc *md = mem;
2734         struct adapter *adap = seq->private;
2735
2736         for (i = 0; i < ARRAY_SIZE(mem); i++) {
2737                 mem[i].limit = 0;
2738                 mem[i].idx = i;
2739         }
2740
2741         /* Find and sort the populated memory ranges */
2742         i = 0;
2743         lo = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2744         if (lo & EDRAM0_ENABLE_F) {
2745                 hi = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2746                 avail[i].base = EDRAM0_BASE_G(hi) << 20;
2747                 avail[i].limit = avail[i].base + (EDRAM0_SIZE_G(hi) << 20);
2748                 avail[i].idx = 0;
2749                 i++;
2750         }
2751         if (lo & EDRAM1_ENABLE_F) {
2752                 hi = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2753                 avail[i].base = EDRAM1_BASE_G(hi) << 20;
2754                 avail[i].limit = avail[i].base + (EDRAM1_SIZE_G(hi) << 20);
2755                 avail[i].idx = 1;
2756                 i++;
2757         }
2758
2759         if (is_t5(adap->params.chip)) {
2760                 if (lo & EXT_MEM0_ENABLE_F) {
2761                         hi = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
2762                         avail[i].base = EXT_MEM0_BASE_G(hi) << 20;
2763                         avail[i].limit =
2764                                 avail[i].base + (EXT_MEM0_SIZE_G(hi) << 20);
2765                         avail[i].idx = 3;
2766                         i++;
2767                 }
2768                 if (lo & EXT_MEM1_ENABLE_F) {
2769                         hi = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
2770                         avail[i].base = EXT_MEM1_BASE_G(hi) << 20;
2771                         avail[i].limit =
2772                                 avail[i].base + (EXT_MEM1_SIZE_G(hi) << 20);
2773                         avail[i].idx = 4;
2774                         i++;
2775                 }
2776         } else {
2777                 if (lo & EXT_MEM_ENABLE_F) {
2778                         hi = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2779                         avail[i].base = EXT_MEM_BASE_G(hi) << 20;
2780                         avail[i].limit =
2781                                 avail[i].base + (EXT_MEM_SIZE_G(hi) << 20);
2782                         avail[i].idx = 2;
2783                         i++;
2784                 }
2785         }
2786         if (!i)                                    /* no memory available */
2787                 return 0;
2788         sort(avail, i, sizeof(struct mem_desc), mem_desc_cmp, NULL);
2789
2790         (md++)->base = t4_read_reg(adap, SGE_DBQ_CTXT_BADDR_A);
2791         (md++)->base = t4_read_reg(adap, SGE_IMSG_CTXT_BADDR_A);
2792         (md++)->base = t4_read_reg(adap, SGE_FLM_CACHE_BADDR_A);
2793         (md++)->base = t4_read_reg(adap, TP_CMM_TCB_BASE_A);
2794         (md++)->base = t4_read_reg(adap, TP_CMM_MM_BASE_A);
2795         (md++)->base = t4_read_reg(adap, TP_CMM_TIMER_BASE_A);
2796         (md++)->base = t4_read_reg(adap, TP_CMM_MM_RX_FLST_BASE_A);
2797         (md++)->base = t4_read_reg(adap, TP_CMM_MM_TX_FLST_BASE_A);
2798         (md++)->base = t4_read_reg(adap, TP_CMM_MM_PS_FLST_BASE_A);
2799
2800         /* the next few have explicit upper bounds */
2801         md->base = t4_read_reg(adap, TP_PMM_TX_BASE_A);
2802         md->limit = md->base - 1 +
2803                     t4_read_reg(adap, TP_PMM_TX_PAGE_SIZE_A) *
2804                     PMTXMAXPAGE_G(t4_read_reg(adap, TP_PMM_TX_MAX_PAGE_A));
2805         md++;
2806
2807         md->base = t4_read_reg(adap, TP_PMM_RX_BASE_A);
2808         md->limit = md->base - 1 +
2809                     t4_read_reg(adap, TP_PMM_RX_PAGE_SIZE_A) *
2810                     PMRXMAXPAGE_G(t4_read_reg(adap, TP_PMM_RX_MAX_PAGE_A));
2811         md++;
2812
2813         if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
2814                 if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5) {
2815                         hi = t4_read_reg(adap, LE_DB_TID_HASHBASE_A) / 4;
2816                         md->base = t4_read_reg(adap, LE_DB_HASH_TID_BASE_A);
2817                  } else {
2818                         hi = t4_read_reg(adap, LE_DB_HASH_TID_BASE_A);
2819                         md->base = t4_read_reg(adap,
2820                                                LE_DB_HASH_TBL_BASE_ADDR_A);
2821                 }
2822                 md->limit = 0;
2823         } else {
2824                 md->base = 0;
2825                 md->idx = ARRAY_SIZE(region);  /* hide it */
2826         }
2827         md++;
2828
2829 #define ulp_region(reg) do { \
2830         md->base = t4_read_reg(adap, ULP_ ## reg ## _LLIMIT_A);\
2831         (md++)->limit = t4_read_reg(adap, ULP_ ## reg ## _ULIMIT_A); \
2832 } while (0)
2833
2834         ulp_region(RX_ISCSI);
2835         ulp_region(RX_TDDP);
2836         ulp_region(TX_TPT);
2837         ulp_region(RX_STAG);
2838         ulp_region(RX_RQ);
2839         ulp_region(RX_RQUDP);
2840         ulp_region(RX_PBL);
2841         ulp_region(TX_PBL);
2842 #undef ulp_region
2843         md->base = 0;
2844         md->idx = ARRAY_SIZE(region);
2845         if (!is_t4(adap->params.chip)) {
2846                 u32 size = 0;
2847                 u32 sge_ctrl = t4_read_reg(adap, SGE_CONTROL2_A);
2848                 u32 fifo_size = t4_read_reg(adap, SGE_DBVFIFO_SIZE_A);
2849
2850                 if (is_t5(adap->params.chip)) {
2851                         if (sge_ctrl & VFIFO_ENABLE_F)
2852                                 size = DBVFIFO_SIZE_G(fifo_size);
2853                 } else {
2854                         size = T6_DBVFIFO_SIZE_G(fifo_size);
2855                 }
2856
2857                 if (size) {
2858                         md->base = BASEADDR_G(t4_read_reg(adap,
2859                                         SGE_DBVFIFO_BADDR_A));
2860                         md->limit = md->base + (size << 2) - 1;
2861                 }
2862         }
2863
2864         md++;
2865
2866         md->base = t4_read_reg(adap, ULP_RX_CTX_BASE_A);
2867         md->limit = 0;
2868         md++;
2869         md->base = t4_read_reg(adap, ULP_TX_ERR_TABLE_BASE_A);
2870         md->limit = 0;
2871         md++;
2872
2873         md->base = adap->vres.ocq.start;
2874         if (adap->vres.ocq.size)
2875                 md->limit = md->base + adap->vres.ocq.size - 1;
2876         else
2877                 md->idx = ARRAY_SIZE(region);  /* hide it */
2878         md++;
2879
2880         /* add any address-space holes, there can be up to 3 */
2881         for (n = 0; n < i - 1; n++)
2882                 if (avail[n].limit < avail[n + 1].base)
2883                         (md++)->base = avail[n].limit;
2884         if (avail[n].limit)
2885                 (md++)->base = avail[n].limit;
2886
2887         n = md - mem;
2888         sort(mem, n, sizeof(struct mem_desc), mem_desc_cmp, NULL);
2889
2890         for (lo = 0; lo < i; lo++)
2891                 mem_region_show(seq, memory[avail[lo].idx], avail[lo].base,
2892                                 avail[lo].limit - 1);
2893
2894         seq_putc(seq, '\n');
2895         for (i = 0; i < n; i++) {
2896                 if (mem[i].idx >= ARRAY_SIZE(region))
2897                         continue;                        /* skip holes */
2898                 if (!mem[i].limit)
2899                         mem[i].limit = i < n - 1 ? mem[i + 1].base - 1 : ~0;
2900                 mem_region_show(seq, region[mem[i].idx], mem[i].base,
2901                                 mem[i].limit);
2902         }
2903
2904         seq_putc(seq, '\n');
2905         lo = t4_read_reg(adap, CIM_SDRAM_BASE_ADDR_A);
2906         hi = t4_read_reg(adap, CIM_SDRAM_ADDR_SIZE_A) + lo - 1;
2907         mem_region_show(seq, "uP RAM:", lo, hi);
2908
2909         lo = t4_read_reg(adap, CIM_EXTMEM2_BASE_ADDR_A);
2910         hi = t4_read_reg(adap, CIM_EXTMEM2_ADDR_SIZE_A) + lo - 1;
2911         mem_region_show(seq, "uP Extmem2:", lo, hi);
2912
2913         lo = t4_read_reg(adap, TP_PMM_RX_MAX_PAGE_A);
2914         seq_printf(seq, "\n%u Rx pages of size %uKiB for %u channels\n",
2915                    PMRXMAXPAGE_G(lo),
2916                    t4_read_reg(adap, TP_PMM_RX_PAGE_SIZE_A) >> 10,
2917                    (lo & PMRXNUMCHN_F) ? 2 : 1);
2918
2919         lo = t4_read_reg(adap, TP_PMM_TX_MAX_PAGE_A);
2920         hi = t4_read_reg(adap, TP_PMM_TX_PAGE_SIZE_A);
2921         seq_printf(seq, "%u Tx pages of size %u%ciB for %u channels\n",
2922                    PMTXMAXPAGE_G(lo),
2923                    hi >= (1 << 20) ? (hi >> 20) : (hi >> 10),
2924                    hi >= (1 << 20) ? 'M' : 'K', 1 << PMTXNUMCHN_G(lo));
2925         seq_printf(seq, "%u p-structs\n\n",
2926                    t4_read_reg(adap, TP_CMM_MM_MAX_PSTRUCT_A));
2927
2928         for (i = 0; i < 4; i++) {
2929                 if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5)
2930                         lo = t4_read_reg(adap, MPS_RX_MAC_BG_PG_CNT0_A + i * 4);
2931                 else
2932                         lo = t4_read_reg(adap, MPS_RX_PG_RSV0_A + i * 4);
2933                 if (is_t5(adap->params.chip)) {
2934                         used = T5_USED_G(lo);
2935                         alloc = T5_ALLOC_G(lo);
2936                 } else {
2937                         used = USED_G(lo);
2938                         alloc = ALLOC_G(lo);
2939                 }
2940                 /* For T6 these are MAC buffer groups */
2941                 seq_printf(seq, "Port %d using %u pages out of %u allocated\n",
2942                            i, used, alloc);
2943         }
2944         for (i = 0; i < adap->params.arch.nchan; i++) {
2945                 if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5)
2946                         lo = t4_read_reg(adap,
2947                                          MPS_RX_LPBK_BG_PG_CNT0_A + i * 4);
2948                 else
2949                         lo = t4_read_reg(adap, MPS_RX_PG_RSV4_A + i * 4);
2950                 if (is_t5(adap->params.chip)) {
2951                         used = T5_USED_G(lo);
2952                         alloc = T5_ALLOC_G(lo);
2953                 } else {
2954                         used = USED_G(lo);
2955                         alloc = ALLOC_G(lo);
2956                 }
2957                 /* For T6 these are MAC buffer groups */
2958                 seq_printf(seq,
2959                            "Loopback %d using %u pages out of %u allocated\n",
2960                            i, used, alloc);
2961         }
2962         return 0;
2963 }
2964
2965 static int meminfo_open(struct inode *inode, struct file *file)
2966 {
2967         return single_open(file, meminfo_show, inode->i_private);
2968 }
2969
2970 static const struct file_operations meminfo_fops = {
2971         .owner   = THIS_MODULE,
2972         .open    = meminfo_open,
2973         .read    = seq_read,
2974         .llseek  = seq_lseek,
2975         .release = single_release,
2976 };
2977 /* Add an array of Debug FS files.
2978  */
2979 void add_debugfs_files(struct adapter *adap,
2980                        struct t4_debugfs_entry *files,
2981                        unsigned int nfiles)
2982 {
2983         int i;
2984
2985         /* debugfs support is best effort */
2986         for (i = 0; i < nfiles; i++)
2987                 debugfs_create_file(files[i].name, files[i].mode,
2988                                     adap->debugfs_root,
2989                                     (void *)adap + files[i].data,
2990                                     files[i].ops);
2991 }
2992
2993 int t4_setup_debugfs(struct adapter *adap)
2994 {
2995         int i;
2996         u32 size = 0;
2997         struct dentry *de;
2998
2999         static struct t4_debugfs_entry t4_debugfs_files[] = {
3000                 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
3001                 { "cim_pif_la", &cim_pif_la_fops, S_IRUSR, 0 },
3002                 { "cim_ma_la", &cim_ma_la_fops, S_IRUSR, 0 },
3003                 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
3004                 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
3005                 { "devlog", &devlog_fops, S_IRUSR, 0 },
3006                 { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
3007                 { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
3008                 { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
3009                 { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
3010                 { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
3011                 { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
3012                 { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
3013                 { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
3014                 { "trace0", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
3015                 { "trace1", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
3016                 { "trace2", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
3017                 { "trace3", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
3018                 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
3019                 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
3020                 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
3021                 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
3022                 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
3023                 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
3024                 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
3025                 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
3026                 { "ibq_tp0",  &cim_ibq_fops, S_IRUSR, 0 },
3027                 { "ibq_tp1",  &cim_ibq_fops, S_IRUSR, 1 },
3028                 { "ibq_ulp",  &cim_ibq_fops, S_IRUSR, 2 },
3029                 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
3030                 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
3031                 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
3032                 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
3033                 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
3034                 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
3035                 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
3036                 { "obq_sge",  &cim_obq_fops, S_IRUSR, 4 },
3037                 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
3038                 { "tp_la", &tp_la_fops, S_IRUSR, 0 },
3039                 { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
3040                 { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
3041                 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
3042                 { "tx_rate", &tx_rate_debugfs_fops, S_IRUSR, 0 },
3043                 { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
3044 #if IS_ENABLED(CONFIG_IPV6)
3045                 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
3046 #endif
3047                 { "tids", &tid_info_debugfs_fops, S_IRUSR, 0},
3048                 { "blocked_fl", &blocked_fl_fops, S_IRUSR | S_IWUSR, 0 },
3049                 { "meminfo", &meminfo_fops, S_IRUSR, 0 },
3050         };
3051
3052         /* Debug FS nodes common to all T5 and later adapters.
3053          */
3054         static struct t4_debugfs_entry t5_debugfs_files[] = {
3055                 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
3056                 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
3057         };
3058
3059         add_debugfs_files(adap,
3060                           t4_debugfs_files,
3061                           ARRAY_SIZE(t4_debugfs_files));
3062         if (!is_t4(adap->params.chip))
3063                 add_debugfs_files(adap,
3064                                   t5_debugfs_files,
3065                                   ARRAY_SIZE(t5_debugfs_files));
3066
3067         i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
3068         if (i & EDRAM0_ENABLE_F) {
3069                 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
3070                 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
3071         }
3072         if (i & EDRAM1_ENABLE_F) {
3073                 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
3074                 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
3075         }
3076         if (is_t5(adap->params.chip)) {
3077                 if (i & EXT_MEM0_ENABLE_F) {
3078                         size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
3079                         add_debugfs_mem(adap, "mc0", MEM_MC0,
3080                                         EXT_MEM0_SIZE_G(size));
3081                 }
3082                 if (i & EXT_MEM1_ENABLE_F) {
3083                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
3084                         add_debugfs_mem(adap, "mc1", MEM_MC1,
3085                                         EXT_MEM1_SIZE_G(size));
3086                 }
3087         } else {
3088                 if (i & EXT_MEM_ENABLE_F) {
3089                         size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
3090                         add_debugfs_mem(adap, "mc", MEM_MC,
3091                                         EXT_MEM_SIZE_G(size));
3092                 }
3093         }
3094
3095         de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap,
3096                                       &flash_debugfs_fops, adap->params.sf_size);
3097         debugfs_create_bool("use_backdoor", S_IWUSR | S_IRUSR,
3098                             adap->debugfs_root, &adap->use_bd);
3099         debugfs_create_bool("trace_rss", S_IWUSR | S_IRUSR,
3100                             adap->debugfs_root, &adap->trace_rss);
3101
3102         return 0;
3103 }