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

   1 /*
   2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
   3  *
   4  * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  */
  34
  35 #include <linux/seq_file.h>
  36 #include <linux/debugfs.h>
  37 #include <linux/string_helpers.h>
  38 #include <linux/sort.h>
  39 #include <linux/ctype.h>
  40
  41 #include "cxgb4.h"
  42 #include "t4_regs.h"
  43 #include "t4_values.h"
  44 #include "t4fw_api.h"
  45 #include "cxgb4_debugfs.h"
  46 #include "clip_tbl.h"
  47 #include "l2t.h"
  48
  49 /* generic seq_file support for showing a table of size rows x width. */
  50 static void *seq_tab_get_idx(struct seq_tab *tb, loff_t pos)
  51 {
  52         pos -= tb->skip_first;
  53         return pos >= tb->rows ? NULL : &tb->data[pos * tb->width];
  54 }
  55
  56 static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
  57 {
  58         struct seq_tab *tb = seq->private;
  59
  60         if (tb->skip_first && *pos == 0)
  61                 return SEQ_START_TOKEN;
  62
  63         return seq_tab_get_idx(tb, *pos);
  64 }
  65
  66 static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
  67 {
  68         v = seq_tab_get_idx(seq->private, *pos + 1);
  69         if (v)
  70                 ++*pos;
  71         return v;
  72 }
  73
  74 static void seq_tab_stop(struct seq_file *seq, void *v)
  75 {
  76 }
  77
  78 static int seq_tab_show(struct seq_file *seq, void *v)
  79 {
  80         const struct seq_tab *tb = seq->private;
  81
  82         return tb->show(seq, v, ((char *)v - tb->data) / tb->width);
  83 }
  84
  85 static const struct seq_operations seq_tab_ops = {
  86         .start = seq_tab_start,
  87         .next  = seq_tab_next,
  88         .stop  = seq_tab_stop,
  89         .show  = seq_tab_show
  90 };
  91
  92 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
  93                              unsigned int width, unsigned int have_header,
  94                              int (*show)(struct seq_file *seq, void *v, int i))
  95 {
  96         struct seq_tab *p;
  97
  98         p = __seq_open_private(f, &seq_tab_ops, sizeof(*p) + rows * width);
  99         if (p) {
 100                 p->show = show;
 101                 p->rows = rows;
 102                 p->width = width;
 103                 p->skip_first = have_header != 0;
 104         }
 105         return p;
 106 }
 107
 108 /* Trim the size of a seq_tab to the supplied number of rows.  The operation is
 109  * irreversible.
 110  */
 111 static int seq_tab_trim(struct seq_tab *p, unsigned int new_rows)
 112 {
 113         if (new_rows > p->rows)
 114                 return -EINVAL;
 115         p->rows = new_rows;
 116         return 0;
 117 }
 118
 119 static int cim_la_show(struct seq_file *seq, void *v, int idx)
 120 {
 121         if (v == SEQ_START_TOKEN)
 122                 seq_puts(seq, "Status   Data      PC     LS0Stat  LS0Addr "
 123                          "            LS0Data\n");
 124         else {
 125                 const u32 *p = v;
 126
 127                 seq_printf(seq,
 128                            "  %02x  %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
 129                            (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
 130                            p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
 131                            p[6], p[7]);
 132         }
 133         return 0;
 134 }
 135
 136 static int cim_la_show_3in1(struct seq_file *seq, void *v, int idx)
 137 {
 138         if (v == SEQ_START_TOKEN) {
 139                 seq_puts(seq, "Status   Data      PC\n");
 140         } else {
 141                 const u32 *p = v;
 142
 143                 seq_printf(seq, "  %02x   %08x %08x\n", p[5] & 0xff, p[6],
 144                            p[7]);
 145                 seq_printf(seq, "  %02x   %02x%06x %02x%06x\n",
 146                            (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
 147                            p[4] & 0xff, p[5] >> 8);
 148                 seq_printf(seq, "  %02x   %x%07x %x%07x\n", (p[0] >> 4) & 0xff,
 149                            p[0] & 0xf, p[1] >> 4, p[1] & 0xf, p[2] >> 4);
 150         }
 151         return 0;
 152 }
 153
 154 static int cim_la_open(struct inode *inode, struct file *file)
 155 {
 156         int ret;
 157         unsigned int cfg;
 158         struct seq_tab *p;
 159         struct adapter *adap = inode->i_private;
 160
 161         ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
 162         if (ret)
 163                 return ret;
 164
 165         p = seq_open_tab(file, adap->params.cim_la_size / 8, 8 * sizeof(u32), 1,
 166                          cfg & UPDBGLACAPTPCONLY_F ?
 167                          cim_la_show_3in1 : cim_la_show);
 168         if (!p)
 169                 return -ENOMEM;
 170
 171         ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
 172         if (ret)
 173                 seq_release_private(inode, file);
 174         return ret;
 175 }
 176
 177 static const struct file_operations cim_la_fops = {
 178         .owner   = THIS_MODULE,
 179         .open    = cim_la_open,
 180         .read    = seq_read,
 181         .llseek  = seq_lseek,
 182         .release = seq_release_private
 183 };
 184
 185 static int cim_pif_la_show(struct seq_file *seq, void *v, int idx)
 186 {
 187         const u32 *p = v;
 188
 189         if (v == SEQ_START_TOKEN) {
 190                 seq_puts(seq, "Cntl ID DataBE   Addr                 Data\n");
 191         } else if (idx < CIM_PIFLA_SIZE) {
 192                 seq_printf(seq, " %02x  %02x  %04x  %08x %08x%08x%08x%08x\n",
 193                            (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f,
 194                            p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]);
 195         } else {
 196                 if (idx == CIM_PIFLA_SIZE)
 197                         seq_puts(seq, "\nCntl ID               Data\n");
 198                 seq_printf(seq, " %02x  %02x %08x%08x%08x%08x\n",
 199                            (p[4] >> 6) & 0xff, p[4] & 0x3f,
 200                            p[3], p[2], p[1], p[0]);
 201         }
 202         return 0;
 203 }
 204
 205 static int cim_pif_la_open(struct inode *inode, struct file *file)
 206 {
 207         struct seq_tab *p;
 208         struct adapter *adap = inode->i_private;
 209
 210         p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1,
 211                          cim_pif_la_show);
 212         if (!p)
 213                 return -ENOMEM;
 214
 215         t4_cim_read_pif_la(adap, (u32 *)p->data,
 216                            (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL);
 217         return 0;
 218 }
 219
 220 static const struct file_operations cim_pif_la_fops = {
 221         .owner   = THIS_MODULE,
 222         .open    = cim_pif_la_open,
 223         .read    = seq_read,
 224         .llseek  = seq_lseek,
 225         .release = seq_release_private
 226 };
 227
 228 static int cim_ma_la_show(struct seq_file *seq, void *v, int idx)
 229 {
 230         const u32 *p = v;
 231
 232         if (v == SEQ_START_TOKEN) {
 233                 seq_puts(seq, "\n");
 234         } else if (idx < CIM_MALA_SIZE) {
 235                 seq_printf(seq, "%02x%08x%08x%08x%08x\n",
 236                            p[4], p[3], p[2], p[1], p[0]);
 237         } else {
 238                 if (idx == CIM_MALA_SIZE)
 239                         seq_puts(seq,
 240                                  "\nCnt ID Tag UE       Data       RDY VLD\n");
 241                 seq_printf(seq, "%3u %2u  %x   %u %08x%08x  %u   %u\n",
 242                            (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
 243                            (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
 244                            (p[1] >> 2) | ((p[2] & 3) << 30),
 245                            (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
 246                            p[0] & 1);
 247         }
 248         return 0;
 249 }
 250
 251 static int cim_ma_la_open(struct inode *inode, struct file *file)
 252 {
 253         struct seq_tab *p;
 254         struct adapter *adap = inode->i_private;
 255
 256         p = seq_open_tab(file, 2 * CIM_MALA_SIZE, 5 * sizeof(u32), 1,
 257                          cim_ma_la_show);
 258         if (!p)
 259                 return -ENOMEM;
 260
 261         t4_cim_read_ma_la(adap, (u32 *)p->data,
 262                           (u32 *)p->data + 5 * CIM_MALA_SIZE);
 263         return 0;
 264 }
 265
 266 static const struct file_operations cim_ma_la_fops = {
 267         .owner   = THIS_MODULE,
 268         .open    = cim_ma_la_open,
 269         .read    = seq_read,
 270         .llseek  = seq_lseek,
 271         .release = seq_release_private
 272 };
 273
 274 static int cim_qcfg_show(struct seq_file *seq, void *v)
 275 {
 276         static const char * const qname[] = {
 277                 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
 278                 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
 279                 "SGE0-RX", "SGE1-RX"
 280         };
 281
 282         int i;
 283         struct adapter *adap = seq->private;
 284         u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 285         u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 286         u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
 287         u16 thres[CIM_NUM_IBQ];
 288         u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
 289         u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
 290         u32 *p = stat;
 291         int cim_num_obq = is_t4(adap->params.chip) ?
 292                                 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
 293
 294         i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
 295                         UP_IBQ_0_SHADOW_RDADDR_A,
 296                         ARRAY_SIZE(stat), stat);
 297         if (!i) {
 298                 if (is_t4(adap->params.chip)) {
 299                         i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
 300                                         ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
 301                                 wr = obq_wr_t4;
 302                 } else {
 303                         i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
 304                                         ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
 305                                 wr = obq_wr_t5;
 306                 }
 307         }
 308         if (i)
 309                 return i;
 310
 311         t4_read_cimq_cfg(adap, base, size, thres);
 312
 313         seq_printf(seq,
 314                    "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
 315         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
 316                 seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
 317                            qname[i], base[i], size[i], thres[i],
 318                            IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
 319                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 320                            QUEREMFLITS_G(p[2]) * 16);
 321         for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
 322                 seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
 323                            qname[i], base[i], size[i],
 324                            QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
 325                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 326                            QUEREMFLITS_G(p[2]) * 16);
 327         return 0;
 328 }
 329
 330 static int cim_qcfg_open(struct inode *inode, struct file *file)
 331 {
 332         return single_open(file, cim_qcfg_show, inode->i_private);
 333 }
 334
 335 static const struct file_operations cim_qcfg_fops = {
 336         .owner   = THIS_MODULE,
 337         .open    = cim_qcfg_open,
 338         .read    = seq_read,
 339         .llseek  = seq_lseek,
 340         .release = single_release,
 341 };
 342
 343 static int cimq_show(struct seq_file *seq, void *v, int idx)
 344 {
 345         const u32 *p = v;
 346
 347         seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
 348                    p[2], p[3]);
 349         return 0;
 350 }
 351
 352 static int cim_ibq_open(struct inode *inode, struct file *file)
 353 {
 354         int ret;
 355         struct seq_tab *p;
 356         unsigned int qid = (uintptr_t)inode->i_private & 7;
 357         struct adapter *adap = inode->i_private - qid;
 358
 359         p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 360         if (!p)
 361                 return -ENOMEM;
 362
 363         ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
 364         if (ret < 0)
 365                 seq_release_private(inode, file);
 366         else
 367                 ret = 0;
 368         return ret;
 369 }
 370
 371 static const struct file_operations cim_ibq_fops = {
 372         .owner   = THIS_MODULE,
 373         .open    = cim_ibq_open,
 374         .read    = seq_read,
 375         .llseek  = seq_lseek,
 376         .release = seq_release_private
 377 };
 378
 379 static int cim_obq_open(struct inode *inode, struct file *file)
 380 {
 381         int ret;
 382         struct seq_tab *p;
 383         unsigned int qid = (uintptr_t)inode->i_private & 7;
 384         struct adapter *adap = inode->i_private - qid;
 385
 386         p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 387         if (!p)
 388                 return -ENOMEM;
 389
 390         ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
 391         if (ret < 0) {
 392                 seq_release_private(inode, file);
 393         } else {
 394                 seq_tab_trim(p, ret / 4);
 395                 ret = 0;
 396         }
 397         return ret;
 398 }
 399
 400 static const struct file_operations cim_obq_fops = {
 401         .owner   = THIS_MODULE,
 402         .open    = cim_obq_open,
 403         .read    = seq_read,
 404         .llseek  = seq_lseek,
 405         .release = seq_release_private
 406 };
 407
 408 struct field_desc {
 409         const char *name;
 410         unsigned int start;
 411         unsigned int width;
 412 };
 413
 414 static void field_desc_show(struct seq_file *seq, u64 v,
 415                             const struct field_desc *p)
 416 {
 417         char buf[32];
 418         int line_size = 0;
 419
 420         while (p->name) {
 421                 u64 mask = (1ULL << p->width) - 1;
 422                 int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
 423                                     ((unsigned long long)v >> p->start) & mask);
 424
 425                 if (line_size + len >= 79) {
 426                         line_size = 8;
 427                         seq_puts(seq, "\n        ");
 428                 }
 429                 seq_printf(seq, "%s ", buf);
 430                 line_size += len + 1;
 431                 p++;
 432         }
 433         seq_putc(seq, '\n');
 434 }
 435
 436 static struct field_desc tp_la0[] = {
 437         { "RcfOpCodeOut", 60, 4 },
 438         { "State", 56, 4 },
 439         { "WcfState", 52, 4 },
 440         { "RcfOpcSrcOut", 50, 2 },
 441         { "CRxError", 49, 1 },
 442         { "ERxError", 48, 1 },
 443         { "SanityFailed", 47, 1 },
 444         { "SpuriousMsg", 46, 1 },
 445         { "FlushInputMsg", 45, 1 },
 446         { "FlushInputCpl", 44, 1 },
 447         { "RssUpBit", 43, 1 },
 448         { "RssFilterHit", 42, 1 },
 449         { "Tid", 32, 10 },
 450         { "InitTcb", 31, 1 },
 451         { "LineNumber", 24, 7 },
 452         { "Emsg", 23, 1 },
 453         { "EdataOut", 22, 1 },
 454         { "Cmsg", 21, 1 },
 455         { "CdataOut", 20, 1 },
 456         { "EreadPdu", 19, 1 },
 457         { "CreadPdu", 18, 1 },
 458         { "TunnelPkt", 17, 1 },
 459         { "RcfPeerFin", 16, 1 },
 460         { "RcfReasonOut", 12, 4 },
 461         { "TxCchannel", 10, 2 },
 462         { "RcfTxChannel", 8, 2 },
 463         { "RxEchannel", 6, 2 },
 464         { "RcfRxChannel", 5, 1 },
 465         { "RcfDataOutSrdy", 4, 1 },
 466         { "RxDvld", 3, 1 },
 467         { "RxOoDvld", 2, 1 },
 468         { "RxCongestion", 1, 1 },
 469         { "TxCongestion", 0, 1 },
 470         { NULL }
 471 };
 472
 473 static int tp_la_show(struct seq_file *seq, void *v, int idx)
 474 {
 475         const u64 *p = v;
 476
 477         field_desc_show(seq, *p, tp_la0);
 478         return 0;
 479 }
 480
 481 static int tp_la_show2(struct seq_file *seq, void *v, int idx)
 482 {
 483         const u64 *p = v;
 484
 485         if (idx)
 486                 seq_putc(seq, '\n');
 487         field_desc_show(seq, p[0], tp_la0);
 488         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 489                 field_desc_show(seq, p[1], tp_la0);
 490         return 0;
 491 }
 492
 493 static int tp_la_show3(struct seq_file *seq, void *v, int idx)
 494 {
 495         static struct field_desc tp_la1[] = {
 496                 { "CplCmdIn", 56, 8 },
 497                 { "CplCmdOut", 48, 8 },
 498                 { "ESynOut", 47, 1 },
 499                 { "EAckOut", 46, 1 },
 500                 { "EFinOut", 45, 1 },
 501                 { "ERstOut", 44, 1 },
 502                 { "SynIn", 43, 1 },
 503                 { "AckIn", 42, 1 },
 504                 { "FinIn", 41, 1 },
 505                 { "RstIn", 40, 1 },
 506                 { "DataIn", 39, 1 },
 507                 { "DataInVld", 38, 1 },
 508                 { "PadIn", 37, 1 },
 509                 { "RxBufEmpty", 36, 1 },
 510                 { "RxDdp", 35, 1 },
 511                 { "RxFbCongestion", 34, 1 },
 512                 { "TxFbCongestion", 33, 1 },
 513                 { "TxPktSumSrdy", 32, 1 },
 514                 { "RcfUlpType", 28, 4 },
 515                 { "Eread", 27, 1 },
 516                 { "Ebypass", 26, 1 },
 517                 { "Esave", 25, 1 },
 518                 { "Static0", 24, 1 },
 519                 { "Cread", 23, 1 },
 520                 { "Cbypass", 22, 1 },
 521                 { "Csave", 21, 1 },
 522                 { "CPktOut", 20, 1 },
 523                 { "RxPagePoolFull", 18, 2 },
 524                 { "RxLpbkPkt", 17, 1 },
 525                 { "TxLpbkPkt", 16, 1 },
 526                 { "RxVfValid", 15, 1 },
 527                 { "SynLearned", 14, 1 },
 528                 { "SetDelEntry", 13, 1 },
 529                 { "SetInvEntry", 12, 1 },
 530                 { "CpcmdDvld", 11, 1 },
 531                 { "CpcmdSave", 10, 1 },
 532                 { "RxPstructsFull", 8, 2 },
 533                 { "EpcmdDvld", 7, 1 },
 534                 { "EpcmdFlush", 6, 1 },
 535                 { "EpcmdTrimPrefix", 5, 1 },
 536                 { "EpcmdTrimPostfix", 4, 1 },
 537                 { "ERssIp4Pkt", 3, 1 },
 538                 { "ERssIp6Pkt", 2, 1 },
 539                 { "ERssTcpUdpPkt", 1, 1 },
 540                 { "ERssFceFipPkt", 0, 1 },
 541                 { NULL }
 542         };
 543         static struct field_desc tp_la2[] = {
 544                 { "CplCmdIn", 56, 8 },
 545                 { "MpsVfVld", 55, 1 },
 546                 { "MpsPf", 52, 3 },
 547                 { "MpsVf", 44, 8 },
 548                 { "SynIn", 43, 1 },
 549                 { "AckIn", 42, 1 },
 550                 { "FinIn", 41, 1 },
 551                 { "RstIn", 40, 1 },
 552                 { "DataIn", 39, 1 },
 553                 { "DataInVld", 38, 1 },
 554                 { "PadIn", 37, 1 },
 555                 { "RxBufEmpty", 36, 1 },
 556                 { "RxDdp", 35, 1 },
 557                 { "RxFbCongestion", 34, 1 },
 558                 { "TxFbCongestion", 33, 1 },
 559                 { "TxPktSumSrdy", 32, 1 },
 560                 { "RcfUlpType", 28, 4 },
 561                 { "Eread", 27, 1 },
 562                 { "Ebypass", 26, 1 },
 563                 { "Esave", 25, 1 },
 564                 { "Static0", 24, 1 },
 565                 { "Cread", 23, 1 },
 566                 { "Cbypass", 22, 1 },
 567                 { "Csave", 21, 1 },
 568                 { "CPktOut", 20, 1 },
 569                 { "RxPagePoolFull", 18, 2 },
 570                 { "RxLpbkPkt", 17, 1 },
 571                 { "TxLpbkPkt", 16, 1 },
 572                 { "RxVfValid", 15, 1 },
 573                 { "SynLearned", 14, 1 },
 574                 { "SetDelEntry", 13, 1 },
 575                 { "SetInvEntry", 12, 1 },
 576                 { "CpcmdDvld", 11, 1 },
 577                 { "CpcmdSave", 10, 1 },
 578                 { "RxPstructsFull", 8, 2 },
 579                 { "EpcmdDvld", 7, 1 },
 580                 { "EpcmdFlush", 6, 1 },
 581                 { "EpcmdTrimPrefix", 5, 1 },
 582                 { "EpcmdTrimPostfix", 4, 1 },
 583                 { "ERssIp4Pkt", 3, 1 },
 584                 { "ERssIp6Pkt", 2, 1 },
 585                 { "ERssTcpUdpPkt", 1, 1 },
 586                 { "ERssFceFipPkt", 0, 1 },
 587                 { NULL }
 588         };
 589         const u64 *p = v;
 590
 591         if (idx)
 592                 seq_putc(seq, '\n');
 593         field_desc_show(seq, p[0], tp_la0);
 594         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 595                 field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
 596         return 0;
 597 }
 598
 599 static int tp_la_open(struct inode *inode, struct file *file)
 600 {
 601         struct seq_tab *p;
 602         struct adapter *adap = inode->i_private;
 603
 604         switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
 605         case 2:
 606                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 607                                  tp_la_show2);
 608                 break;
 609         case 3:
 610                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 611                                  tp_la_show3);
 612                 break;
 613         default:
 614                 p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
 615         }
 616         if (!p)
 617                 return -ENOMEM;
 618
 619         t4_tp_read_la(adap, (u64 *)p->data, NULL);
 620         return 0;
 621 }
 622
 623 static ssize_t tp_la_write(struct file *file, const char __user *buf,
 624                            size_t count, loff_t *pos)
 625 {
 626         int err;
 627         char s[32];
 628         unsigned long val;
 629         size_t size = min(sizeof(s) - 1, count);
 630         struct adapter *adap = file_inode(file)->i_private;
 631
 632         if (copy_from_user(s, buf, size))
 633                 return -EFAULT;
 634         s[size] = '\0';
 635         err = kstrtoul(s, 0, &val);
 636         if (err)
 637                 return err;
 638         if (val > 0xffff)
 639                 return -EINVAL;
 640         adap->params.tp.la_mask = val << 16;
 641         t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
 642                          adap->params.tp.la_mask);
 643         return count;
 644 }
 645
 646 static const struct file_operations tp_la_fops = {
 647         .owner   = THIS_MODULE,
 648         .open    = tp_la_open,
 649         .read    = seq_read,
 650         .llseek  = seq_lseek,
 651         .release = seq_release_private,
 652         .write   = tp_la_write
 653 };
 654
 655 static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
 656 {
 657         const u32 *p = v;
 658
 659         if (v == SEQ_START_TOKEN)
 660                 seq_puts(seq, "      Pcmd        Type   Message"
 661                          "                Data\n");
 662         else
 663                 seq_printf(seq, "%08x%08x  %4x  %08x  %08x%08x%08x%08x\n",
 664                            p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
 665         return 0;
 666 }
 667
 668 static int ulprx_la_open(struct inode *inode, struct file *file)
 669 {
 670         struct seq_tab *p;
 671         struct adapter *adap = inode->i_private;
 672
 673         p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
 674                          ulprx_la_show);
 675         if (!p)
 676                 return -ENOMEM;
 677
 678         t4_ulprx_read_la(adap, (u32 *)p->data);
 679         return 0;
 680 }
 681
 682 static const struct file_operations ulprx_la_fops = {
 683         .owner   = THIS_MODULE,
 684         .open    = ulprx_la_open,
 685         .read    = seq_read,
 686         .llseek  = seq_lseek,
 687         .release = seq_release_private
 688 };
 689
 690 /* Show the PM memory stats.  These stats include:
 691  *
 692  * TX:
 693  *   Read: memory read operation
 694  *   Write Bypass: cut-through
 695  *   Bypass + mem: cut-through and save copy
 696  *
 697  * RX:
 698  *   Read: memory read
 699  *   Write Bypass: cut-through
 700  *   Flush: payload trim or drop
 701  */
 702 static int pm_stats_show(struct seq_file *seq, void *v)
 703 {
 704         static const char * const tx_pm_stats[] = {
 705                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 706         };
 707         static const char * const rx_pm_stats[] = {
 708                 "Read:", "Write bypass:", "Write mem:", "Flush:"
 709         };
 710
 711         int i;
 712         u32 tx_cnt[PM_NSTATS], rx_cnt[PM_NSTATS];
 713         u64 tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
 714         struct adapter *adap = seq->private;
 715
 716         t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
 717         t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
 718
 719         seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
 720         for (i = 0; i < PM_NSTATS - 1; i++)
 721                 seq_printf(seq, "%-13s %10u  %20llu\n",
 722                            tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
 723
 724         seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
 725         for (i = 0; i < PM_NSTATS - 1; i++)
 726                 seq_printf(seq, "%-13s %10u  %20llu\n",
 727                            rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
 728         return 0;
 729 }
 730
 731 static int pm_stats_open(struct inode *inode, struct file *file)
 732 {
 733         return single_open(file, pm_stats_show, inode->i_private);
 734 }
 735
 736 static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
 737                               size_t count, loff_t *pos)
 738 {
 739         struct adapter *adap = file_inode(file)->i_private;
 740
 741         t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
 742         t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
 743         return count;
 744 }
 745
 746 static const struct file_operations pm_stats_debugfs_fops = {
 747         .owner   = THIS_MODULE,
 748         .open    = pm_stats_open,
 749         .read    = seq_read,
 750         .llseek  = seq_lseek,
 751         .release = single_release,
 752         .write   = pm_stats_clear
 753 };
 754
 755 static int tx_rate_show(struct seq_file *seq, void *v)
 756 {
 757         u64 nrate[NCHAN], orate[NCHAN];
 758         struct adapter *adap = seq->private;
 759
 760         t4_get_chan_txrate(adap, nrate, orate);
 761         if (adap->params.arch.nchan == NCHAN) {
 762                 seq_puts(seq, "              channel 0   channel 1   "
 763                          "channel 2   channel 3\n");
 764                 seq_printf(seq, "NIC B/s:     %10llu  %10llu  %10llu  %10llu\n",
 765                            (unsigned long long)nrate[0],
 766                            (unsigned long long)nrate[1],
 767                            (unsigned long long)nrate[2],
 768                            (unsigned long long)nrate[3]);
 769                 seq_printf(seq, "Offload B/s: %10llu  %10llu  %10llu  %10llu\n",
 770                            (unsigned long long)orate[0],
 771                            (unsigned long long)orate[1],
 772                            (unsigned long long)orate[2],
 773                            (unsigned long long)orate[3]);
 774         } else {
 775                 seq_puts(seq, "              channel 0   channel 1\n");
 776                 seq_printf(seq, "NIC B/s:     %10llu  %10llu\n",
 777                            (unsigned long long)nrate[0],
 778                            (unsigned long long)nrate[1]);
 779                 seq_printf(seq, "Offload B/s: %10llu  %10llu\n",
 780                            (unsigned long long)orate[0],
 781                            (unsigned long long)orate[1]);
 782         }
 783         return 0;
 784 }
 785
 786 DEFINE_SIMPLE_DEBUGFS_FILE(tx_rate);
 787
 788 static int cctrl_tbl_show(struct seq_file *seq, void *v)
 789 {
 790         static const char * const dec_fac[] = {
 791                 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
 792                 "0.9375" };
 793
 794         int i;
 795         u16 (*incr)[NCCTRL_WIN];
 796         struct adapter *adap = seq->private;
 797
 798         incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL);
 799         if (!incr)
 800                 return -ENOMEM;
 801
 802         t4_read_cong_tbl(adap, incr);
 803
 804         for (i = 0; i < NCCTRL_WIN; ++i) {
 805                 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
 806                            incr[0][i], incr[1][i], incr[2][i], incr[3][i],
 807                            incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
 808                 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
 809                            incr[8][i], incr[9][i], incr[10][i], incr[11][i],
 810                            incr[12][i], incr[13][i], incr[14][i], incr[15][i],
 811                            adap->params.a_wnd[i],
 812                            dec_fac[adap->params.b_wnd[i]]);
 813         }
 814
 815         kfree(incr);
 816         return 0;
 817 }
 818
 819 DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
 820
 821 /* Format a value in a unit that differs from the value's native unit by the
 822  * given factor.
 823  */
 824 static char *unit_conv(char *buf, size_t len, unsigned int val,
 825                        unsigned int factor)
 826 {
 827         unsigned int rem = val % factor;
 828
 829         if (rem == 0) {
 830                 snprintf(buf, len, "%u", val / factor);
 831         } else {
 832                 while (rem % 10 == 0)
 833                         rem /= 10;
 834                 snprintf(buf, len, "%u.%u", val / factor, rem);
 835         }
 836         return buf;
 837 }
 838
 839 static int clk_show(struct seq_file *seq, void *v)
 840 {
 841         char buf[32];
 842         struct adapter *adap = seq->private;
 843         unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
 844         u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
 845         unsigned int tre = TIMERRESOLUTION_G(res);
 846         unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
 847         unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
 848
 849         seq_printf(seq, "Core clock period: %s ns\n",
 850                    unit_conv(buf, sizeof(buf), cclk_ps, 1000));
 851         seq_printf(seq, "TP timer tick: %s us\n",
 852                    unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
 853         seq_printf(seq, "TCP timestamp tick: %s us\n",
 854                    unit_conv(buf, sizeof(buf),
 855                              (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
 856         seq_printf(seq, "DACK tick: %s us\n",
 857                    unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
 858         seq_printf(seq, "DACK timer: %u us\n",
 859                    ((cclk_ps << dack_re) / 1000000) *
 860                    t4_read_reg(adap, TP_DACK_TIMER_A));
 861         seq_printf(seq, "Retransmit min: %llu us\n",
 862                    tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
 863         seq_printf(seq, "Retransmit max: %llu us\n",
 864                    tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
 865         seq_printf(seq, "Persist timer min: %llu us\n",
 866                    tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
 867         seq_printf(seq, "Persist timer max: %llu us\n",
 868                    tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
 869         seq_printf(seq, "Keepalive idle timer: %llu us\n",
 870                    tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
 871         seq_printf(seq, "Keepalive interval: %llu us\n",
 872                    tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
 873         seq_printf(seq, "Initial SRTT: %llu us\n",
 874                    tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
 875         seq_printf(seq, "FINWAIT2 timer: %llu us\n",
 876                    tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
 877
 878         return 0;
 879 }
 880
 881 DEFINE_SIMPLE_DEBUGFS_FILE(clk);
 882
 883 /* Firmware Device Log dump. */
 884 static const char * const devlog_level_strings[] = {
 885         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
 886         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
 887         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
 888         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
 889         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
 890         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
 891 };
 892
 893 static const char * const devlog_facility_strings[] = {
 894         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
 895         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
 896         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
 897         [FW_DEVLOG_FACILITY_RES]        = "RES",
 898         [FW_DEVLOG_FACILITY_HW]         = "HW",
 899         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
 900         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
 901         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
 902         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
 903         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
 904         [FW_DEVLOG_FACILITY_VI]         = "VI",
 905         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
 906         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
 907         [FW_DEVLOG_FACILITY_TM]         = "TM",
 908         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
 909         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
 910         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
 911         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
 912         [FW_DEVLOG_FACILITY_RI]         = "RI",
 913         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
 914         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
 915         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
 916         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
 917 };
 918
 919 /* Information gathered by Device Log Open routine for the display routine.
 920  */
 921 struct devlog_info {
 922         unsigned int nentries;          /* number of entries in log[] */
 923         unsigned int first;             /* first [temporal] entry in log[] */
 924         struct fw_devlog_e log[0];      /* Firmware Device Log */
 925 };
 926
 927 /* Dump a Firmaware Device Log entry.
 928  */
 929 static int devlog_show(struct seq_file *seq, void *v)
 930 {
 931         if (v == SEQ_START_TOKEN)
 932                 seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
 933                            "Seq#", "Tstamp", "Level", "Facility", "Message");
 934         else {
 935                 struct devlog_info *dinfo = seq->private;
 936                 int fidx = (uintptr_t)v - 2;
 937                 unsigned long index;
 938                 struct fw_devlog_e *e;
 939
 940                 /* Get a pointer to the log entry to display.  Skip unused log
 941                  * entries.
 942                  */
 943                 index = dinfo->first + fidx;
 944                 if (index >= dinfo->nentries)
 945                         index -= dinfo->nentries;
 946                 e = &dinfo->log[index];
 947                 if (e->timestamp == 0)
 948                         return 0;
 949
 950                 /* Print the message.  This depends on the firmware using
 951                  * exactly the same formating strings as the kernel so we may
 952                  * eventually have to put a format interpreter in here ...
 953                  */
 954                 seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
 955                            be32_to_cpu(e->seqno),
 956                            be64_to_cpu(e->timestamp),
 957                            (e->level < ARRAY_SIZE(devlog_level_strings)
 958                             ? devlog_level_strings[e->level]
 959                             : "UNKNOWN"),
 960                            (e->facility < ARRAY_SIZE(devlog_facility_strings)
 961                             ? devlog_facility_strings[e->facility]
 962                             : "UNKNOWN"));
 963                 seq_printf(seq, e->fmt,
 964                            be32_to_cpu(e->params[0]),
 965                            be32_to_cpu(e->params[1]),
 966                            be32_to_cpu(e->params[2]),
 967                            be32_to_cpu(e->params[3]),
 968                            be32_to_cpu(e->params[4]),
 969                            be32_to_cpu(e->params[5]),
 970                            be32_to_cpu(e->params[6]),
 971                            be32_to_cpu(e->params[7]));
 972         }
 973         return 0;
 974 }
 975
 976 /* Sequential File Operations for Device Log.
 977  */
 978 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
 979 {
 980         if (pos > dinfo->nentries)
 981                 return NULL;
 982
 983         return (void *)(uintptr_t)(pos + 1);
 984 }
 985
 986 static void *devlog_start(struct seq_file *seq, loff_t *pos)
 987 {
 988         struct devlog_info *dinfo = seq->private;
 989
 990         return (*pos
 991                 ? devlog_get_idx(dinfo, *pos)
 992                 : SEQ_START_TOKEN);
 993 }
 994
 995 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
 996 {
 997         struct devlog_info *dinfo = seq->private;
 998
 999         (*pos)++;
1000         return devlog_get_idx(dinfo, *pos);
1001 }
1002
1003 static void devlog_stop(struct seq_file *seq, void *v)
1004 {
1005 }
1006
1007 static const struct seq_operations devlog_seq_ops = {
1008         .start = devlog_start,
1009         .next  = devlog_next,
1010         .stop  = devlog_stop,
1011         .show  = devlog_show
1012 };
1013
1014 /* Set up for reading the firmware's device log.  We read the entire log here
1015  * and then display it incrementally in devlog_show().
1016  */
1017 static int devlog_open(struct inode *inode, struct file *file)
1018 {
1019         struct adapter *adap = inode->i_private;
1020         struct devlog_params *dparams = &adap->params.devlog;
1021         struct devlog_info *dinfo;
1022         unsigned int index;
1023         u32 fseqno;
1024         int ret;
1025
1026         /* If we don't know where the log is we can't do anything.
1027          */
1028         if (dparams->start == 0)
1029                 return -ENXIO;
1030
1031         /* Allocate the space to read in the firmware's device log and set up
1032          * for the iterated call to our display function.
1033          */
1034         dinfo = __seq_open_private(file, &devlog_seq_ops,
1035                                    sizeof(*dinfo) + dparams->size);
1036         if (!dinfo)
1037                 return -ENOMEM;
1038
1039         /* Record the basic log buffer information and read in the raw log.
1040          */
1041         dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
1042         dinfo->first = 0;
1043         spin_lock(&adap->win0_lock);
1044         ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
1045                            dparams->start, dparams->size, (__be32 *)dinfo->log,
1046                            T4_MEMORY_READ);
1047         spin_unlock(&adap->win0_lock);
1048         if (ret) {
1049                 seq_release_private(inode, file);
1050                 return ret;
1051         }
1052
1053         /* Find the earliest (lowest Sequence Number) log entry in the
1054          * circular Device Log.
1055          */
1056         for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
1057                 struct fw_devlog_e *e = &dinfo->log[index];
1058                 __u32 seqno;
1059
1060                 if (e->timestamp == 0)
1061                         continue;
1062
1063                 seqno = be32_to_cpu(e->seqno);
1064                 if (seqno < fseqno) {
1065                         fseqno = seqno;
1066                         dinfo->first = index;
1067                 }
1068         }
1069         return 0;
1070 }
1071
1072 static const struct file_operations devlog_fops = {
1073         .owner   = THIS_MODULE,
1074         .open    = devlog_open,
1075         .read    = seq_read,
1076         .llseek  = seq_lseek,
1077         .release = seq_release_private
1078 };
1079
1080 static int mbox_show(struct seq_file *seq, void *v)
1081 {
1082         static const char * const owner[] = { "none", "FW", "driver",
1083                                               "unknown" };
1084
1085         int i;
1086         unsigned int mbox = (uintptr_t)seq->private & 7;
1087         struct adapter *adap = seq->private - mbox;
1088         void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1089         unsigned int ctrl_reg = (is_t4(adap->params.chip)
1090                                  ? CIM_PF_MAILBOX_CTRL_A
1091                                  : CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A);
1092         void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
1093
1094         i = MBOWNER_G(readl(ctrl));
1095         seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
1096
1097         for (i = 0; i < MBOX_LEN; i += 8)
1098                 seq_printf(seq, "%016llx\n",
1099                            (unsigned long long)readq(addr + i));
1100         return 0;
1101 }
1102
1103 static int mbox_open(struct inode *inode, struct file *file)
1104 {
1105         return single_open(file, mbox_show, inode->i_private);
1106 }
1107
1108 static ssize_t mbox_write(struct file *file, const char __user *buf,
1109                           size_t count, loff_t *pos)
1110 {
1111         int i;
1112         char c = '\n', s[256];
1113         unsigned long long data[8];
1114         const struct inode *ino;
1115         unsigned int mbox;
1116         struct adapter *adap;
1117         void __iomem *addr;
1118         void __iomem *ctrl;
1119
1120         if (count > sizeof(s) - 1 || !count)
1121                 return -EINVAL;
1122         if (copy_from_user(s, buf, count))
1123                 return -EFAULT;
1124         s[count] = '\0';
1125
1126         if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
1127                    &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
1128                    &data[7], &c) < 8 || c != '\n')
1129                 return -EINVAL;
1130
1131         ino = file_inode(file);
1132         mbox = (uintptr_t)ino->i_private & 7;
1133         adap = ino->i_private - mbox;
1134         addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1135         ctrl = addr + MBOX_LEN;
1136
1137         if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1138                 return -EBUSY;
1139
1140         for (i = 0; i < 8; i++)
1141                 writeq(data[i], addr + 8 * i);
1142
1143         writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1144         return count;
1145 }
1146
1147 static const struct file_operations mbox_debugfs_fops = {
1148         .owner   = THIS_MODULE,
1149         .open    = mbox_open,
1150         .read    = seq_read,
1151         .llseek  = seq_lseek,
1152         .release = single_release,
1153         .write   = mbox_write
1154 };
1155
1156 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1157                           loff_t *ppos)
1158 {
1159         loff_t pos = *ppos;
1160         loff_t avail = file_inode(file)->i_size;
1161         struct adapter *adap = file->private_data;
1162
1163         if (pos < 0)
1164                 return -EINVAL;
1165         if (pos >= avail)
1166                 return 0;
1167         if (count > avail - pos)
1168                 count = avail - pos;
1169
1170         while (count) {
1171                 size_t len;
1172                 int ret, ofst;
1173                 u8 data[256];
1174
1175                 ofst = pos & 3;
1176                 len = min(count + ofst, sizeof(data));
1177                 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1178                                     (u32 *)data, 1);
1179                 if (ret)
1180                         return ret;
1181
1182                 len -= ofst;
1183                 if (copy_to_user(buf, data + ofst, len))
1184                         return -EFAULT;
1185
1186                 buf += len;
1187                 pos += len;
1188                 count -= len;
1189         }
1190         count = pos - *ppos;
1191         *ppos = pos;
1192         return count;
1193 }
1194
1195 static const struct file_operations flash_debugfs_fops = {
1196         .owner   = THIS_MODULE,
1197         .open    = mem_open,
1198         .read    = flash_read,
1199 };
1200
1201 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1202 {
1203         *mask = x | y;
1204         y = (__force u64)cpu_to_be64(y);
1205         memcpy(addr, (char *)&y + 2, ETH_ALEN);
1206 }
1207
1208 static int mps_tcam_show(struct seq_file *seq, void *v)
1209 {
1210         struct adapter *adap = seq->private;
1211         unsigned int chip_ver = CHELSIO_CHIP_VERSION(adap->params.chip);
1212
1213         if (v == SEQ_START_TOKEN) {
1214                 if (adap->params.arch.mps_rplc_size > 128)
1215                         seq_puts(seq, "Idx  Ethernet address     Mask     "
1216                                  "Vld Ports PF  VF                           "
1217                                  "Replication                                "
1218                                  "    P0 P1 P2 P3  ML\n");
1219                 else
1220                         seq_puts(seq, "Idx  Ethernet address     Mask     "
1221                                  "Vld Ports PF  VF              Replication"
1222                                  "               P0 P1 P2 P3  ML\n");
1223         } else {
1224                 u64 mask;
1225                 u8 addr[ETH_ALEN];
1226                 bool replicate;
1227                 unsigned int idx = (uintptr_t)v - 2;
1228                 u64 tcamy, tcamx, val;
1229                 u32 cls_lo, cls_hi, ctl;
1230                 u32 rplc[8] = {0};
1231
1232                 if (chip_ver > CHELSIO_T5) {
1233                         /* CtlCmdType - 0: Read, 1: Write
1234                          * CtlTcamSel - 0: TCAM0, 1: TCAM1
1235                          * CtlXYBitSel- 0: Y bit, 1: X bit
1236                          */
1237
1238                         /* Read tcamy */
1239                         ctl = CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0);
1240                         if (idx < 256)
1241                                 ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0);
1242                         else
1243                                 ctl |= CTLTCAMINDEX_V(idx - 256) |
1244                                        CTLTCAMSEL_V(1);
1245                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1246                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1247                         tcamy = DMACH_G(val) << 32;
1248                         tcamy |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1249
1250                         /* Read tcamx. Change the control param */
1251                         ctl |= CTLXYBITSEL_V(1);
1252                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1253                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1254                         tcamx = DMACH_G(val) << 32;
1255                         tcamx |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1256                 } else {
1257                         tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1258                         tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1259                 }
1260
1261                 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1262                 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1263
1264                 if (tcamx & tcamy) {
1265                         seq_printf(seq, "%3u         -\n", idx);
1266                         goto out;
1267                 }
1268
1269                 rplc[0] = rplc[1] = rplc[2] = rplc[3] = 0;
1270                 if (chip_ver > CHELSIO_T5)
1271                         replicate = (cls_lo & T6_REPLICATE_F);
1272                 else
1273                         replicate = (cls_lo & REPLICATE_F);
1274
1275                 if (replicate) {
1276                         struct fw_ldst_cmd ldst_cmd;
1277                         int ret;
1278                         struct fw_ldst_mps_rplc mps_rplc;
1279                         u32 ldst_addrspc;
1280
1281                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1282                         ldst_addrspc =
1283                                 FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS);
1284                         ldst_cmd.op_to_addrspace =
1285                                 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1286                                       FW_CMD_REQUEST_F |
1287                                       FW_CMD_READ_F |
1288                                       ldst_addrspc);
1289                         ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1290                         ldst_cmd.u.mps.rplc.fid_idx =
1291                                 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1292                                       FW_LDST_CMD_IDX_V(idx));
1293                         ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1294                                          sizeof(ldst_cmd), &ldst_cmd);
1295                         if (ret)
1296                                 dev_warn(adap->pdev_dev, "Can't read MPS "
1297                                          "replication map for idx %d: %d\n",
1298                                          idx, -ret);
1299                         else {
1300                                 mps_rplc = ldst_cmd.u.mps.rplc;
1301                                 rplc[0] = ntohl(mps_rplc.rplc31_0);
1302                                 rplc[1] = ntohl(mps_rplc.rplc63_32);
1303                                 rplc[2] = ntohl(mps_rplc.rplc95_64);
1304                                 rplc[3] = ntohl(mps_rplc.rplc127_96);
1305                                 if (adap->params.arch.mps_rplc_size > 128) {
1306                                         rplc[4] = ntohl(mps_rplc.rplc159_128);
1307                                         rplc[5] = ntohl(mps_rplc.rplc191_160);
1308                                         rplc[6] = ntohl(mps_rplc.rplc223_192);
1309                                         rplc[7] = ntohl(mps_rplc.rplc255_224);
1310                                 }
1311                         }
1312                 }
1313
1314                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1315                 if (chip_ver > CHELSIO_T5)
1316                         seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1317                                    "%012llx%3c   %#x%4u%4d",
1318                                    idx, addr[0], addr[1], addr[2], addr[3],
1319                                    addr[4], addr[5], (unsigned long long)mask,
1320                                    (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1321                                    PORTMAP_G(cls_hi),
1322                                    T6_PF_G(cls_lo),
1323                                    (cls_lo & T6_VF_VALID_F) ?
1324                                    T6_VF_G(cls_lo) : -1);
1325                 else
1326                         seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1327                                    "%012llx%3c   %#x%4u%4d",
1328                                    idx, addr[0], addr[1], addr[2], addr[3],
1329                                    addr[4], addr[5], (unsigned long long)mask,
1330                                    (cls_lo & SRAM_VLD_F) ? 'Y' : 'N',
1331                                    PORTMAP_G(cls_hi),
1332                                    PF_G(cls_lo),
1333                                    (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1334
1335                 if (replicate) {
1336                         if (adap->params.arch.mps_rplc_size > 128)
1337                                 seq_printf(seq, " %08x %08x %08x %08x "
1338                                            "%08x %08x %08x %08x",
1339                                            rplc[7], rplc[6], rplc[5], rplc[4],
1340                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1341                         else
1342                                 seq_printf(seq, " %08x %08x %08x %08x",
1343                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1344                 } else {
1345                         if (adap->params.arch.mps_rplc_size > 128)
1346                                 seq_printf(seq, "%72c", ' ');
1347                         else
1348                                 seq_printf(seq, "%36c", ' ');
1349                 }
1350
1351                 if (chip_ver > CHELSIO_T5)
1352                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1353                                    T6_SRAM_PRIO0_G(cls_lo),
1354                                    T6_SRAM_PRIO1_G(cls_lo),
1355                                    T6_SRAM_PRIO2_G(cls_lo),
1356                                    T6_SRAM_PRIO3_G(cls_lo),
1357                                    (cls_lo >> T6_MULTILISTEN0_S) & 0xf);
1358                 else
1359                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1360                                    SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1361                                    SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1362                                    (cls_lo >> MULTILISTEN0_S) & 0xf);
1363         }
1364 out:    return 0;
1365 }
1366
1367 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1368 {
1369         struct adapter *adap = seq->private;
1370         int max_mac_addr = is_t4(adap->params.chip) ?
1371                                 NUM_MPS_CLS_SRAM_L_INSTANCES :
1372                                 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1373         return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1374 }
1375
1376 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1377 {
1378         return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1379 }
1380
1381 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1382 {
1383         ++*pos;
1384         return mps_tcam_get_idx(seq, *pos);
1385 }
1386
1387 static void mps_tcam_stop(struct seq_file *seq, void *v)
1388 {
1389 }
1390
1391 static const struct seq_operations mps_tcam_seq_ops = {
1392         .start = mps_tcam_start,
1393         .next  = mps_tcam_next,
1394         .stop  = mps_tcam_stop,
1395         .show  = mps_tcam_show
1396 };
1397
1398 static int mps_tcam_open(struct inode *inode, struct file *file)
1399 {
1400         int res = seq_open(file, &mps_tcam_seq_ops);
1401
1402         if (!res) {
1403                 struct seq_file *seq = file->private_data;
1404
1405                 seq->private = inode->i_private;
1406         }
1407         return res;
1408 }
1409
1410 static const struct file_operations mps_tcam_debugfs_fops = {
1411         .owner   = THIS_MODULE,
1412         .open    = mps_tcam_open,
1413         .read    = seq_read,
1414         .llseek  = seq_lseek,
1415         .release = seq_release,
1416 };
1417
1418 /* Display various sensor information.
1419  */
1420 static int sensors_show(struct seq_file *seq, void *v)
1421 {
1422         struct adapter *adap = seq->private;
1423         u32 param[7], val[7];
1424         int ret;
1425
1426         /* Note that if the sensors haven't been initialized and turned on
1427          * we'll get values of 0, so treat those as "<unknown>" ...
1428          */
1429         param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1430                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1431                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1432         param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1433                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1434                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1435         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
1436                               param, val);
1437
1438         if (ret < 0 || val[0] == 0)
1439                 seq_puts(seq, "Temperature: <unknown>\n");
1440         else
1441                 seq_printf(seq, "Temperature: %dC\n", val[0]);
1442
1443         if (ret < 0 || val[1] == 0)
1444                 seq_puts(seq, "Core VDD:    <unknown>\n");
1445         else
1446                 seq_printf(seq, "Core VDD:    %dmV\n", val[1]);
1447
1448         return 0;
1449 }
1450
1451 DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1452
1453 #if IS_ENABLED(CONFIG_IPV6)
1454 static int clip_tbl_open(struct inode *inode, struct file *file)
1455 {
1456         return single_open(file, clip_tbl_show, inode->i_private);
1457 }
1458
1459 static const struct file_operations clip_tbl_debugfs_fops = {
1460         .owner   = THIS_MODULE,
1461         .open    = clip_tbl_open,
1462         .read    = seq_read,
1463         .llseek  = seq_lseek,
1464         .release = single_release
1465 };
1466 #endif
1467
1468 /*RSS Table.
1469  */
1470
1471 static int rss_show(struct seq_file *seq, void *v, int idx)
1472 {
1473         u16 *entry = v;
1474
1475         seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
1476                    idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1477                    entry[5], entry[6], entry[7]);
1478         return 0;
1479 }
1480
1481 static int rss_open(struct inode *inode, struct file *file)
1482 {
1483         int ret;
1484         struct seq_tab *p;
1485         struct adapter *adap = inode->i_private;
1486
1487         p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
1488         if (!p)
1489                 return -ENOMEM;
1490
1491         ret = t4_read_rss(adap, (u16 *)p->data);
1492         if (ret)
1493                 seq_release_private(inode, file);
1494
1495         return ret;
1496 }
1497
1498 static const struct file_operations rss_debugfs_fops = {
1499         .owner   = THIS_MODULE,
1500         .open    = rss_open,
1501         .read    = seq_read,
1502         .llseek  = seq_lseek,
1503         .release = seq_release_private
1504 };
1505
1506 /* RSS Configuration.
1507  */
1508
1509 /* Small utility function to return the strings "yes" or "no" if the supplied
1510  * argument is non-zero.
1511  */
1512 static const char *yesno(int x)
1513 {
1514         static const char *yes = "yes";
1515         static const char *no = "no";
1516
1517         return x ? yes : no;
1518 }
1519
1520 static int rss_config_show(struct seq_file *seq, void *v)
1521 {
1522         struct adapter *adapter = seq->private;
1523         static const char * const keymode[] = {
1524                 "global",
1525                 "global and per-VF scramble",
1526                 "per-PF and per-VF scramble",
1527                 "per-VF and per-VF scramble",
1528         };
1529         u32 rssconf;
1530
1531         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
1532         seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
1533         seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
1534                                                         TNL4TUPENIPV6_F));
1535         seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
1536                                                         TNL2TUPENIPV6_F));
1537         seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
1538                                                         TNL4TUPENIPV4_F));
1539         seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
1540                                                         TNL2TUPENIPV4_F));
1541         seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
1542         seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
1543         seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
1544         seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
1545         seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
1546                                                         OFDHASHSAVE_F));
1547         seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
1548         seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
1549         seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
1550         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1551                                                         SYN4TUPENIPV6_F));
1552         seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
1553                                                         SYN2TUPENIPV6_F));
1554         seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
1555                                                         SYN4TUPENIPV4_F));
1556         seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
1557                                                         SYN2TUPENIPV4_F));
1558         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1559                                                         SYN4TUPENIPV6_F));
1560         seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
1561         seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
1562         seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
1563         seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
1564         seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
1565                                                         CHANNELENABLE_F));
1566         seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
1567                                                         PORTENABLE_F));
1568         seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
1569                                                         TNLALLLOOKUP_F));
1570         seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
1571                                                         VIRTENABLE_F));
1572         seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
1573                                                         CONGESTIONENABLE_F));
1574         seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
1575                                                         HASHTOEPLITZ_F));
1576         seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
1577         seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
1578
1579         seq_puts(seq, "\n");
1580
1581         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
1582         seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
1583         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1584         seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
1585         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1586                 seq_printf(seq, "  HashAll:     %3s\n",
1587                            yesno(rssconf & HASHALL_F));
1588                 seq_printf(seq, "  HashEth:     %3s\n",
1589                            yesno(rssconf & HASHETH_F));
1590         }
1591         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
1592
1593         seq_puts(seq, "\n");
1594
1595         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
1596         seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
1597         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1598         seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
1599                                                         RRCPLMAPEN_F));
1600         seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
1601
1602         seq_puts(seq, "\n");
1603
1604         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
1605         seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
1606         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
1607         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
1608
1609         seq_puts(seq, "\n");
1610
1611         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
1612         seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
1613         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1614                 seq_printf(seq, "  KeyWrAddrX:     %3d\n",
1615                            KEYWRADDRX_G(rssconf));
1616                 seq_printf(seq, "  KeyExtend:      %3s\n",
1617                            yesno(rssconf & KEYEXTEND_F));
1618         }
1619         seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
1620         seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
1621         seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
1622         seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
1623         seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
1624                                                         DISABLEVLAN_F));
1625         seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
1626         seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
1627         if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
1628                 seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
1629         else
1630                 seq_printf(seq, "  VfWrAddr:      %3d\n",
1631                            T6_VFWRADDR_G(rssconf));
1632         seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
1633         seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
1634         seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
1635         seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
1636
1637         seq_puts(seq, "\n");
1638
1639         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
1640         seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
1641         seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
1642         seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
1643         seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
1644         seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
1645         seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
1646                                                         CHNUNDFLOW3_F));
1647         seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
1648                                                         CHNUNDFLOW2_F));
1649         seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
1650                                                         CHNUNDFLOW1_F));
1651         seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
1652                                                         CHNUNDFLOW0_F));
1653         seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
1654         seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
1655         seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
1656         seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
1657         seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
1658         seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
1659         seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
1660         seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
1661         seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
1662         seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
1663         seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
1664
1665         return 0;
1666 }
1667
1668 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
1669
1670 /* RSS Secret Key.
1671  */
1672
1673 static int rss_key_show(struct seq_file *seq, void *v)
1674 {
1675         u32 key[10];
1676
1677         t4_read_rss_key(seq->private, key);
1678         seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
1679                    key[9], key[8], key[7], key[6], key[5], key[4], key[3],
1680                    key[2], key[1], key[0]);
1681         return 0;
1682 }
1683
1684 static int rss_key_open(struct inode *inode, struct file *file)
1685 {
1686         return single_open(file, rss_key_show, inode->i_private);
1687 }
1688
1689 static ssize_t rss_key_write(struct file *file, const char __user *buf,
1690                              size_t count, loff_t *pos)
1691 {
1692         int i, j;
1693         u32 key[10];
1694         char s[100], *p;
1695         struct adapter *adap = file_inode(file)->i_private;
1696
1697         if (count > sizeof(s) - 1)
1698                 return -EINVAL;
1699         if (copy_from_user(s, buf, count))
1700                 return -EFAULT;
1701         for (i = count; i > 0 && isspace(s[i - 1]); i--)
1702                 ;
1703         s[i] = '\0';
1704
1705         for (p = s, i = 9; i >= 0; i--) {
1706                 key[i] = 0;
1707                 for (j = 0; j < 8; j++, p++) {
1708                         if (!isxdigit(*p))
1709                                 return -EINVAL;
1710                         key[i] = (key[i] << 4) | hex2val(*p);
1711                 }
1712         }
1713
1714         t4_write_rss_key(adap, key, -1);
1715         return count;
1716 }
1717
1718 static const struct file_operations rss_key_debugfs_fops = {
1719         .owner   = THIS_MODULE,
1720         .open    = rss_key_open,
1721         .read    = seq_read,
1722         .llseek  = seq_lseek,
1723         .release = single_release,
1724         .write   = rss_key_write
1725 };
1726
1727 /* PF RSS Configuration.
1728  */
1729
1730 struct rss_pf_conf {
1731         u32 rss_pf_map;
1732         u32 rss_pf_mask;
1733         u32 rss_pf_config;
1734 };
1735
1736 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
1737 {
1738         struct rss_pf_conf *pfconf;
1739
1740         if (v == SEQ_START_TOKEN) {
1741                 /* use the 0th entry to dump the PF Map Index Size */
1742                 pfconf = seq->private + offsetof(struct seq_tab, data);
1743                 seq_printf(seq, "PF Map Index Size = %d\n\n",
1744                            LKPIDXSIZE_G(pfconf->rss_pf_map));
1745
1746                 seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
1747                 seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
1748                 seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
1749         } else {
1750                 #define G_PFnLKPIDX(map, n) \
1751                         (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1752                 #define G_PFnMSKSIZE(mask, n) \
1753                         (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1754
1755                 pfconf = v;
1756                 seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
1757                            idx,
1758                            yesno(pfconf->rss_pf_config & MAPENABLE_F),
1759                            yesno(pfconf->rss_pf_config & CHNENABLE_F),
1760                            yesno(pfconf->rss_pf_config & PRTENABLE_F),
1761                            G_PFnLKPIDX(pfconf->rss_pf_map, idx),
1762                            G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
1763                            IVFWIDTH_G(pfconf->rss_pf_config),
1764                            yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
1765                            yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
1766                            yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
1767                            yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
1768                            yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
1769                            CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
1770                            CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
1771
1772                 #undef G_PFnLKPIDX
1773                 #undef G_PFnMSKSIZE
1774         }
1775         return 0;
1776 }
1777
1778 static int rss_pf_config_open(struct inode *inode, struct file *file)
1779 {
1780         struct adapter *adapter = inode->i_private;
1781         struct seq_tab *p;
1782         u32 rss_pf_map, rss_pf_mask;
1783         struct rss_pf_conf *pfconf;
1784         int pf;
1785
1786         p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
1787         if (!p)
1788                 return -ENOMEM;
1789
1790         pfconf = (struct rss_pf_conf *)p->data;
1791         rss_pf_map = t4_read_rss_pf_map(adapter);
1792         rss_pf_mask = t4_read_rss_pf_mask(adapter);
1793         for (pf = 0; pf < 8; pf++) {
1794                 pfconf[pf].rss_pf_map = rss_pf_map;
1795                 pfconf[pf].rss_pf_mask = rss_pf_mask;
1796                 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
1797         }
1798         return 0;
1799 }
1800
1801 static const struct file_operations rss_pf_config_debugfs_fops = {
1802         .owner   = THIS_MODULE,
1803         .open    = rss_pf_config_open,
1804         .read    = seq_read,
1805         .llseek  = seq_lseek,
1806         .release = seq_release_private
1807 };
1808
1809 /* VF RSS Configuration.
1810  */
1811
1812 struct rss_vf_conf {
1813         u32 rss_vf_vfl;
1814         u32 rss_vf_vfh;
1815 };
1816
1817 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
1818 {
1819         if (v == SEQ_START_TOKEN) {
1820                 seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
1821                 seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
1822                 seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
1823         } else {
1824                 struct rss_vf_conf *vfconf = v;
1825
1826                 seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
1827                            idx,
1828                            yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
1829                            yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
1830                            VFLKPIDX_G(vfconf->rss_vf_vfh),
1831                            yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
1832                            yesno(vfconf->rss_vf_vfh & VFUPEN_F),
1833                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1834                            yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
1835                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1836                            yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
1837                            yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
1838                            DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
1839                            KEYINDEX_G(vfconf->rss_vf_vfh),
1840                            vfconf->rss_vf_vfl);
1841         }
1842         return 0;
1843 }
1844
1845 static int rss_vf_config_open(struct inode *inode, struct file *file)
1846 {
1847         struct adapter *adapter = inode->i_private;
1848         struct seq_tab *p;
1849         struct rss_vf_conf *vfconf;
1850         int vf, vfcount = adapter->params.arch.vfcount;
1851
1852         p = seq_open_tab(file, vfcount, sizeof(*vfconf), 1, rss_vf_config_show);
1853         if (!p)
1854                 return -ENOMEM;
1855
1856         vfconf = (struct rss_vf_conf *)p->data;
1857         for (vf = 0; vf < vfcount; vf++) {
1858                 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
1859                                       &vfconf[vf].rss_vf_vfh);
1860         }
1861         return 0;
1862 }
1863
1864 static const struct file_operations rss_vf_config_debugfs_fops = {
1865         .owner   = THIS_MODULE,
1866         .open    = rss_vf_config_open,
1867         .read    = seq_read,
1868         .llseek  = seq_lseek,
1869         .release = seq_release_private
1870 };
1871
1872 /**
1873  * ethqset2pinfo - return port_info of an Ethernet Queue Set
1874  * @adap: the adapter
1875  * @qset: Ethernet Queue Set
1876  */
1877 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
1878 {
1879         int pidx;
1880
1881         for_each_port(adap, pidx) {
1882                 struct port_info *pi = adap2pinfo(adap, pidx);
1883
1884                 if (qset >= pi->first_qset &&
1885                     qset < pi->first_qset + pi->nqsets)
1886                         return pi;
1887         }
1888
1889         /* should never happen! */
1890         BUG_ON(1);
1891         return NULL;
1892 }
1893
1894 static int sge_qinfo_show(struct seq_file *seq, void *v)
1895 {
1896         struct adapter *adap = seq->private;
1897         int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
1898         int toe_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
1899         int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
1900         int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
1901         int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
1902         int i, r = (uintptr_t)v - 1;
1903         int toe_idx = r - eth_entries;
1904         int rdma_idx = toe_idx - toe_entries;
1905         int ciq_idx = rdma_idx - rdma_entries;
1906         int ctrl_idx =  ciq_idx - ciq_entries;
1907         int fq_idx =  ctrl_idx - ctrl_entries;
1908
1909         if (r)
1910                 seq_putc(seq, '\n');
1911
1912 #define S3(fmt_spec, s, v) \
1913 do { \
1914         seq_printf(seq, "%-12s", s); \
1915         for (i = 0; i < n; ++i) \
1916                 seq_printf(seq, " %16" fmt_spec, v); \
1917                 seq_putc(seq, '\n'); \
1918 } while (0)
1919 #define S(s, v) S3("s", s, v)
1920 #define T(s, v) S3("u", s, tx[i].v)
1921 #define R(s, v) S3("u", s, rx[i].v)
1922
1923         if (r < eth_entries) {
1924                 int base_qset = r * 4;
1925                 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
1926                 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
1927                 int n = min(4, adap->sge.ethqsets - 4 * r);
1928
1929                 S("QType:", "Ethernet");
1930                 S("Interface:",
1931                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1932                 T("TxQ ID:", q.cntxt_id);
1933                 T("TxQ size:", q.size);
1934                 T("TxQ inuse:", q.in_use);
1935                 T("TxQ CIDX:", q.cidx);
1936                 T("TxQ PIDX:", q.pidx);
1937 #ifdef CONFIG_CHELSIO_T4_DCB
1938                 T("DCB Prio:", dcb_prio);
1939                 S3("u", "DCB PGID:",
1940                    (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
1941                     4*(7-tx[i].dcb_prio)) & 0xf);
1942                 S3("u", "DCB PFC:",
1943                    (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
1944                     1*(7-tx[i].dcb_prio)) & 0x1);
1945 #endif
1946                 R("RspQ ID:", rspq.abs_id);
1947                 R("RspQ size:", rspq.size);
1948                 R("RspQE size:", rspq.iqe_len);
1949                 R("RspQ CIDX:", rspq.cidx);
1950                 R("RspQ Gen:", rspq.gen);
1951                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1952                 S3("u", "Intr pktcnt:",
1953                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1954                 R("FL ID:", fl.cntxt_id);
1955                 R("FL size:", fl.size - 8);
1956                 R("FL pend:", fl.pend_cred);
1957                 R("FL avail:", fl.avail);
1958                 R("FL PIDX:", fl.pidx);
1959                 R("FL CIDX:", fl.cidx);
1960         } else if (toe_idx < toe_entries) {
1961                 const struct sge_ofld_rxq *rx = &adap->sge.ofldrxq[toe_idx * 4];
1962                 const struct sge_ofld_txq *tx = &adap->sge.ofldtxq[toe_idx * 4];
1963                 int n = min(4, adap->sge.ofldqsets - 4 * toe_idx);
1964
1965                 S("QType:", "TOE");
1966                 T("TxQ ID:", q.cntxt_id);
1967                 T("TxQ size:", q.size);
1968                 T("TxQ inuse:", q.in_use);
1969                 T("TxQ CIDX:", q.cidx);
1970                 T("TxQ PIDX:", q.pidx);
1971                 R("RspQ ID:", rspq.abs_id);
1972                 R("RspQ size:", rspq.size);
1973                 R("RspQE size:", rspq.iqe_len);
1974                 R("RspQ CIDX:", rspq.cidx);
1975                 R("RspQ Gen:", rspq.gen);
1976                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1977                 S3("u", "Intr pktcnt:",
1978                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1979                 R("FL ID:", fl.cntxt_id);
1980                 R("FL size:", fl.size - 8);
1981                 R("FL pend:", fl.pend_cred);
1982                 R("FL avail:", fl.avail);
1983                 R("FL PIDX:", fl.pidx);
1984                 R("FL CIDX:", fl.cidx);
1985         } else if (rdma_idx < rdma_entries) {
1986                 const struct sge_ofld_rxq *rx =
1987                                 &adap->sge.rdmarxq[rdma_idx * 4];
1988                 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
1989
1990                 S("QType:", "RDMA-CPL");
1991                 S("Interface:",
1992                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1993                 R("RspQ ID:", rspq.abs_id);
1994                 R("RspQ size:", rspq.size);
1995                 R("RspQE size:", rspq.iqe_len);
1996                 R("RspQ CIDX:", rspq.cidx);
1997                 R("RspQ Gen:", rspq.gen);
1998                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1999                 S3("u", "Intr pktcnt:",
2000                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2001                 R("FL ID:", fl.cntxt_id);
2002                 R("FL size:", fl.size - 8);
2003                 R("FL pend:", fl.pend_cred);
2004                 R("FL avail:", fl.avail);
2005                 R("FL PIDX:", fl.pidx);
2006                 R("FL CIDX:", fl.cidx);
2007         } else if (ciq_idx < ciq_entries) {
2008                 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
2009                 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
2010
2011                 S("QType:", "RDMA-CIQ");
2012                 S("Interface:",
2013                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2014                 R("RspQ ID:", rspq.abs_id);
2015                 R("RspQ size:", rspq.size);
2016                 R("RspQE size:", rspq.iqe_len);
2017                 R("RspQ CIDX:", rspq.cidx);
2018                 R("RspQ Gen:", rspq.gen);
2019                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2020                 S3("u", "Intr pktcnt:",
2021                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2022         } else if (ctrl_idx < ctrl_entries) {
2023                 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
2024                 int n = min(4, adap->params.nports - 4 * ctrl_idx);
2025
2026                 S("QType:", "Control");
2027                 T("TxQ ID:", q.cntxt_id);
2028                 T("TxQ size:", q.size);
2029                 T("TxQ inuse:", q.in_use);
2030                 T("TxQ CIDX:", q.cidx);
2031                 T("TxQ PIDX:", q.pidx);
2032         } else if (fq_idx == 0) {
2033                 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
2034
2035                 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
2036                 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
2037                 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
2038                 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
2039                 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
2040                 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
2041                 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
2042                            qtimer_val(adap, evtq));
2043                 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
2044                            adap->sge.counter_val[evtq->pktcnt_idx]);
2045         }
2046 #undef R
2047 #undef T
2048 #undef S
2049 #undef S3
2050 return 0;
2051 }
2052
2053 static int sge_queue_entries(const struct adapter *adap)
2054 {
2055         return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
2056                DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
2057                DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
2058                DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
2059                DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
2060 }
2061
2062 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
2063 {
2064         int entries = sge_queue_entries(seq->private);
2065
2066         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2067 }
2068
2069 static void sge_queue_stop(struct seq_file *seq, void *v)
2070 {
2071 }
2072
2073 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
2074 {
2075         int entries = sge_queue_entries(seq->private);
2076
2077         ++*pos;
2078         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2079 }
2080
2081 static const struct seq_operations sge_qinfo_seq_ops = {
2082         .start = sge_queue_start,
2083         .next  = sge_queue_next,
2084         .stop  = sge_queue_stop,
2085         .show  = sge_qinfo_show
2086 };
2087
2088 static int sge_qinfo_open(struct inode *inode, struct file *file)
2089 {
2090         int res = seq_open(file, &sge_qinfo_seq_ops);
2091
2092         if (!res) {
2093                 struct seq_file *seq = file->private_data;
2094
2095                 seq->private = inode->i_private;
2096         }
2097         return res;
2098 }
2099
2100 static const struct file_operations sge_qinfo_debugfs_fops = {
2101         .owner   = THIS_MODULE,
2102         .open    = sge_qinfo_open,
2103         .read    = seq_read,
2104         .llseek  = seq_lseek,
2105         .release = seq_release,
2106 };
2107
2108 int mem_open(struct inode *inode, struct file *file)
2109 {
2110         unsigned int mem;
2111         struct adapter *adap;
2112
2113         file->private_data = inode->i_private;
2114
2115         mem = (uintptr_t)file->private_data & 0x3;
2116         adap = file->private_data - mem;
2117
2118         (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
2119
2120         return 0;
2121 }
2122
2123 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
2124                         loff_t *ppos)
2125 {
2126         loff_t pos = *ppos;
2127         loff_t avail = file_inode(file)->i_size;
2128         unsigned int mem = (uintptr_t)file->private_data & 3;
2129         struct adapter *adap = file->private_data - mem;
2130         __be32 *data;
2131         int ret;
2132
2133         if (pos < 0)
2134                 return -EINVAL;
2135         if (pos >= avail)
2136                 return 0;
2137         if (count > avail - pos)
2138                 count = avail - pos;
2139
2140         data = t4_alloc_mem(count);
2141         if (!data)
2142                 return -ENOMEM;
2143
2144         spin_lock(&adap->win0_lock);
2145         ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
2146         spin_unlock(&adap->win0_lock);
2147         if (ret) {
2148                 t4_free_mem(data);
2149                 return ret;
2150         }
2151         ret = copy_to_user(buf, data, count);
2152
2153         t4_free_mem(data);
2154         if (ret)
2155                 return -EFAULT;
2156
2157         *ppos = pos + count;
2158         return count;
2159 }
2160 static const struct file_operations mem_debugfs_fops = {
2161         .owner   = THIS_MODULE,
2162         .open    = simple_open,
2163         .read    = mem_read,
2164         .llseek  = default_llseek,
2165 };
2166
2167 static void add_debugfs_mem(struct adapter *adap, const char *name,
2168                             unsigned int idx, unsigned int size_mb)
2169 {
2170         debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
2171                                  (void *)adap + idx, &mem_debugfs_fops,
2172                                  size_mb << 20);
2173 }
2174
2175 static int blocked_fl_open(struct inode *inode, struct file *file)
2176 {
2177         file->private_data = inode->i_private;
2178         return 0;
2179 }
2180
2181 static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf,
2182                                size_t count, loff_t *ppos)
2183 {
2184         int len;
2185         const struct adapter *adap = filp->private_data;
2186         char *buf;
2187         ssize_t size = (adap->sge.egr_sz + 3) / 4 +
2188                         adap->sge.egr_sz / 32 + 2; /* includes ,/\n/\0 */
2189
2190         buf = kzalloc(size, GFP_KERNEL);
2191         if (!buf)
2192                 return -ENOMEM;
2193
2194         len = snprintf(buf, size - 1, "%*pb\n",
2195                        adap->sge.egr_sz, adap->sge.blocked_fl);
2196         len += sprintf(buf + len, "\n");
2197         size = simple_read_from_buffer(ubuf, count, ppos, buf, len);
2198         t4_free_mem(buf);
2199         return size;
2200 }
2201
2202 static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf,
2203                                 size_t count, loff_t *ppos)
2204 {
2205         int err;
2206         unsigned long *t;
2207         struct adapter *adap = filp->private_data;
2208
2209         t = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), sizeof(long), GFP_KERNEL);
2210         if (!t)
2211                 return -ENOMEM;
2212
2213         err = bitmap_parse_user(ubuf, count, t, adap->sge.egr_sz);
2214         if (err)
2215                 return err;
2216
2217         bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz);
2218         t4_free_mem(t);
2219         return count;
2220 }
2221
2222 static const struct file_operations blocked_fl_fops = {
2223         .owner   = THIS_MODULE,
2224         .open    = blocked_fl_open,
2225         .read    = blocked_fl_read,
2226         .write   = blocked_fl_write,
2227         .llseek  = generic_file_llseek,
2228 };
2229
2230 /* Add an array of Debug FS files.
2231  */
2232 void add_debugfs_files(struct adapter *adap,
2233                        struct t4_debugfs_entry *files,
2234                        unsigned int nfiles)
2235 {
2236         int i;
2237
2238         /* debugfs support is best effort */
2239         for (i = 0; i < nfiles; i++)
2240                 debugfs_create_file(files[i].name, files[i].mode,
2241                                     adap->debugfs_root,
2242                                     (void *)adap + files[i].data,
2243                                     files[i].ops);
2244 }
2245
2246 int t4_setup_debugfs(struct adapter *adap)
2247 {
2248         int i;
2249         u32 size = 0;
2250         struct dentry *de;
2251
2252         static struct t4_debugfs_entry t4_debugfs_files[] = {
2253                 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
2254                 { "cim_pif_la", &cim_pif_la_fops, S_IRUSR, 0 },
2255                 { "cim_ma_la", &cim_ma_la_fops, S_IRUSR, 0 },
2256                 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
2257                 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
2258                 { "devlog", &devlog_fops, S_IRUSR, 0 },
2259                 { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
2260                 { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
2261                 { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
2262                 { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
2263                 { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
2264                 { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
2265                 { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
2266                 { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
2267                 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
2268                 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
2269                 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
2270                 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
2271                 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
2272                 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
2273                 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
2274                 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
2275                 { "ibq_tp0",  &cim_ibq_fops, S_IRUSR, 0 },
2276                 { "ibq_tp1",  &cim_ibq_fops, S_IRUSR, 1 },
2277                 { "ibq_ulp",  &cim_ibq_fops, S_IRUSR, 2 },
2278                 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
2279                 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
2280                 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
2281                 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
2282                 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
2283                 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
2284                 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
2285                 { "obq_sge",  &cim_obq_fops, S_IRUSR, 4 },
2286                 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
2287                 { "tp_la", &tp_la_fops, S_IRUSR, 0 },
2288                 { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
2289                 { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
2290                 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
2291                 { "tx_rate", &tx_rate_debugfs_fops, S_IRUSR, 0 },
2292                 { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
2293 #if IS_ENABLED(CONFIG_IPV6)
2294                 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
2295 #endif
2296                 { "blocked_fl", &blocked_fl_fops, S_IRUSR | S_IWUSR, 0 },
2297         };
2298
2299         /* Debug FS nodes common to all T5 and later adapters.
2300          */
2301         static struct t4_debugfs_entry t5_debugfs_files[] = {
2302                 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
2303                 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
2304         };
2305
2306         add_debugfs_files(adap,
2307                           t4_debugfs_files,
2308                           ARRAY_SIZE(t4_debugfs_files));
2309         if (!is_t4(adap->params.chip))
2310                 add_debugfs_files(adap,
2311                                   t5_debugfs_files,
2312                                   ARRAY_SIZE(t5_debugfs_files));
2313
2314         i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2315         if (i & EDRAM0_ENABLE_F) {
2316                 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2317                 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
2318         }
2319         if (i & EDRAM1_ENABLE_F) {
2320                 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2321                 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
2322         }
2323         if (is_t5(adap->params.chip)) {
2324                 if (i & EXT_MEM0_ENABLE_F) {
2325                         size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
2326                         add_debugfs_mem(adap, "mc0", MEM_MC0,
2327                                         EXT_MEM0_SIZE_G(size));
2328                 }
2329                 if (i & EXT_MEM1_ENABLE_F) {
2330                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
2331                         add_debugfs_mem(adap, "mc1", MEM_MC1,
2332                                         EXT_MEM1_SIZE_G(size));
2333                 }
2334         } else {
2335                 if (i & EXT_MEM_ENABLE_F)
2336                         size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2337                         add_debugfs_mem(adap, "mc", MEM_MC,
2338                                         EXT_MEM_SIZE_G(size));
2339         }
2340
2341         de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap,
2342                                       &flash_debugfs_fops, adap->params.sf_size);
2343
2344         return 0;
2345 }