linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
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   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. */
  50static 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
  56static 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
  66static 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
  74static void seq_tab_stop(struct seq_file *seq, void *v)
  75{
  76}
  77
  78static 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
  85static 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
  92struct 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 */
 111static 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
 119static 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
 136static 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
 154static int cim_la_show_t6(struct seq_file *seq, void *v, int idx)
 155{
 156        if (v == SEQ_START_TOKEN) {
 157                seq_puts(seq, "Status   Inst    Data      PC     LS0Stat  "
 158                         "LS0Addr  LS0Data  LS1Stat  LS1Addr  LS1Data\n");
 159        } else {
 160                const u32 *p = v;
 161
 162                seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x %08x %08x %08x %08x %08x %08x\n",
 163                           (p[9] >> 16) & 0xff,       /* Status */
 164                           p[9] & 0xffff, p[8] >> 16, /* Inst */
 165                           p[8] & 0xffff, p[7] >> 16, /* Data */
 166                           p[7] & 0xffff, p[6] >> 16, /* PC */
 167                           p[2], p[1], p[0],      /* LS0 Stat, Addr and Data */
 168                           p[5], p[4], p[3]);     /* LS1 Stat, Addr and Data */
 169        }
 170        return 0;
 171}
 172
 173static int cim_la_show_pc_t6(struct seq_file *seq, void *v, int idx)
 174{
 175        if (v == SEQ_START_TOKEN) {
 176                seq_puts(seq, "Status   Inst    Data      PC\n");
 177        } else {
 178                const u32 *p = v;
 179
 180                seq_printf(seq, "  %02x   %08x %08x %08x\n",
 181                           p[3] & 0xff, p[2], p[1], p[0]);
 182                seq_printf(seq, "  %02x   %02x%06x %02x%06x %02x%06x\n",
 183                           (p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8,
 184                           p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8);
 185                seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x\n",
 186                           (p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16,
 187                           p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff,
 188                           p[6] >> 16);
 189        }
 190        return 0;
 191}
 192
 193static int cim_la_open(struct inode *inode, struct file *file)
 194{
 195        int ret;
 196        unsigned int cfg;
 197        struct seq_tab *p;
 198        struct adapter *adap = inode->i_private;
 199
 200        ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
 201        if (ret)
 202                return ret;
 203
 204        if (is_t6(adap->params.chip)) {
 205                /* +1 to account for integer division of CIMLA_SIZE/10 */
 206                p = seq_open_tab(file, (adap->params.cim_la_size / 10) + 1,
 207                                 10 * sizeof(u32), 1,
 208                                 cfg & UPDBGLACAPTPCONLY_F ?
 209                                        cim_la_show_pc_t6 : cim_la_show_t6);
 210        } else {
 211                p = seq_open_tab(file, adap->params.cim_la_size / 8,
 212                                 8 * sizeof(u32), 1,
 213                                 cfg & UPDBGLACAPTPCONLY_F ? cim_la_show_3in1 :
 214                                                             cim_la_show);
 215        }
 216        if (!p)
 217                return -ENOMEM;
 218
 219        ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
 220        if (ret)
 221                seq_release_private(inode, file);
 222        return ret;
 223}
 224
 225static const struct file_operations cim_la_fops = {
 226        .owner   = THIS_MODULE,
 227        .open    = cim_la_open,
 228        .read    = seq_read,
 229        .llseek  = seq_lseek,
 230        .release = seq_release_private
 231};
 232
 233static int cim_pif_la_show(struct seq_file *seq, void *v, int idx)
 234{
 235        const u32 *p = v;
 236
 237        if (v == SEQ_START_TOKEN) {
 238                seq_puts(seq, "Cntl ID DataBE   Addr                 Data\n");
 239        } else if (idx < CIM_PIFLA_SIZE) {
 240                seq_printf(seq, " %02x  %02x  %04x  %08x %08x%08x%08x%08x\n",
 241                           (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f,
 242                           p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]);
 243        } else {
 244                if (idx == CIM_PIFLA_SIZE)
 245                        seq_puts(seq, "\nCntl ID               Data\n");
 246                seq_printf(seq, " %02x  %02x %08x%08x%08x%08x\n",
 247                           (p[4] >> 6) & 0xff, p[4] & 0x3f,
 248                           p[3], p[2], p[1], p[0]);
 249        }
 250        return 0;
 251}
 252
 253static int cim_pif_la_open(struct inode *inode, struct file *file)
 254{
 255        struct seq_tab *p;
 256        struct adapter *adap = inode->i_private;
 257
 258        p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1,
 259                         cim_pif_la_show);
 260        if (!p)
 261                return -ENOMEM;
 262
 263        t4_cim_read_pif_la(adap, (u32 *)p->data,
 264                           (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL);
 265        return 0;
 266}
 267
 268static const struct file_operations cim_pif_la_fops = {
 269        .owner   = THIS_MODULE,
 270        .open    = cim_pif_la_open,
 271        .read    = seq_read,
 272        .llseek  = seq_lseek,
 273        .release = seq_release_private
 274};
 275
 276static int cim_ma_la_show(struct seq_file *seq, void *v, int idx)
 277{
 278        const u32 *p = v;
 279
 280        if (v == SEQ_START_TOKEN) {
 281                seq_puts(seq, "\n");
 282        } else if (idx < CIM_MALA_SIZE) {
 283                seq_printf(seq, "%02x%08x%08x%08x%08x\n",
 284                           p[4], p[3], p[2], p[1], p[0]);
 285        } else {
 286                if (idx == CIM_MALA_SIZE)
 287                        seq_puts(seq,
 288                                 "\nCnt ID Tag UE       Data       RDY VLD\n");
 289                seq_printf(seq, "%3u %2u  %x   %u %08x%08x  %u   %u\n",
 290                           (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
 291                           (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
 292                           (p[1] >> 2) | ((p[2] & 3) << 30),
 293                           (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
 294                           p[0] & 1);
 295        }
 296        return 0;
 297}
 298
 299static int cim_ma_la_open(struct inode *inode, struct file *file)
 300{
 301        struct seq_tab *p;
 302        struct adapter *adap = inode->i_private;
 303
 304        p = seq_open_tab(file, 2 * CIM_MALA_SIZE, 5 * sizeof(u32), 1,
 305                         cim_ma_la_show);
 306        if (!p)
 307                return -ENOMEM;
 308
 309        t4_cim_read_ma_la(adap, (u32 *)p->data,
 310                          (u32 *)p->data + 5 * CIM_MALA_SIZE);
 311        return 0;
 312}
 313
 314static const struct file_operations cim_ma_la_fops = {
 315        .owner   = THIS_MODULE,
 316        .open    = cim_ma_la_open,
 317        .read    = seq_read,
 318        .llseek  = seq_lseek,
 319        .release = seq_release_private
 320};
 321
 322static int cim_qcfg_show(struct seq_file *seq, void *v)
 323{
 324        static const char * const qname[] = {
 325                "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
 326                "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
 327                "SGE0-RX", "SGE1-RX"
 328        };
 329
 330        int i;
 331        struct adapter *adap = seq->private;
 332        u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 333        u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 334        u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
 335        u16 thres[CIM_NUM_IBQ];
 336        u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
 337        u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
 338        u32 *p = stat;
 339        int cim_num_obq = is_t4(adap->params.chip) ?
 340                                CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
 341
 342        i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
 343                        UP_IBQ_0_SHADOW_RDADDR_A,
 344                        ARRAY_SIZE(stat), stat);
 345        if (!i) {
 346                if (is_t4(adap->params.chip)) {
 347                        i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
 348                                        ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
 349                        wr = obq_wr_t4;
 350                } else {
 351                        i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
 352                                        ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
 353                        wr = obq_wr_t5;
 354                }
 355        }
 356        if (i)
 357                return i;
 358
 359        t4_read_cimq_cfg(adap, base, size, thres);
 360
 361        seq_printf(seq,
 362                   "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
 363        for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
 364                seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
 365                           qname[i], base[i], size[i], thres[i],
 366                           IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
 367                           QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 368                           QUEREMFLITS_G(p[2]) * 16);
 369        for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
 370                seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
 371                           qname[i], base[i], size[i],
 372                           QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
 373                           QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 374                           QUEREMFLITS_G(p[2]) * 16);
 375        return 0;
 376}
 377
 378static int cim_qcfg_open(struct inode *inode, struct file *file)
 379{
 380        return single_open(file, cim_qcfg_show, inode->i_private);
 381}
 382
 383static const struct file_operations cim_qcfg_fops = {
 384        .owner   = THIS_MODULE,
 385        .open    = cim_qcfg_open,
 386        .read    = seq_read,
 387        .llseek  = seq_lseek,
 388        .release = single_release,
 389};
 390
 391static int cimq_show(struct seq_file *seq, void *v, int idx)
 392{
 393        const u32 *p = v;
 394
 395        seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
 396                   p[2], p[3]);
 397        return 0;
 398}
 399
 400static int cim_ibq_open(struct inode *inode, struct file *file)
 401{
 402        int ret;
 403        struct seq_tab *p;
 404        unsigned int qid = (uintptr_t)inode->i_private & 7;
 405        struct adapter *adap = inode->i_private - qid;
 406
 407        p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 408        if (!p)
 409                return -ENOMEM;
 410
 411        ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
 412        if (ret < 0)
 413                seq_release_private(inode, file);
 414        else
 415                ret = 0;
 416        return ret;
 417}
 418
 419static const struct file_operations cim_ibq_fops = {
 420        .owner   = THIS_MODULE,
 421        .open    = cim_ibq_open,
 422        .read    = seq_read,
 423        .llseek  = seq_lseek,
 424        .release = seq_release_private
 425};
 426
 427static int cim_obq_open(struct inode *inode, struct file *file)
 428{
 429        int ret;
 430        struct seq_tab *p;
 431        unsigned int qid = (uintptr_t)inode->i_private & 7;
 432        struct adapter *adap = inode->i_private - qid;
 433
 434        p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 435        if (!p)
 436                return -ENOMEM;
 437
 438        ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
 439        if (ret < 0) {
 440                seq_release_private(inode, file);
 441        } else {
 442                seq_tab_trim(p, ret / 4);
 443                ret = 0;
 444        }
 445        return ret;
 446}
 447
 448static const struct file_operations cim_obq_fops = {
 449        .owner   = THIS_MODULE,
 450        .open    = cim_obq_open,
 451        .read    = seq_read,
 452        .llseek  = seq_lseek,
 453        .release = seq_release_private
 454};
 455
 456struct field_desc {
 457        const char *name;
 458        unsigned int start;
 459        unsigned int width;
 460};
 461
 462static void field_desc_show(struct seq_file *seq, u64 v,
 463                            const struct field_desc *p)
 464{
 465        char buf[32];
 466        int line_size = 0;
 467
 468        while (p->name) {
 469                u64 mask = (1ULL << p->width) - 1;
 470                int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
 471                                    ((unsigned long long)v >> p->start) & mask);
 472
 473                if (line_size + len >= 79) {
 474                        line_size = 8;
 475                        seq_puts(seq, "\n        ");
 476                }
 477                seq_printf(seq, "%s ", buf);
 478                line_size += len + 1;
 479                p++;
 480        }
 481        seq_putc(seq, '\n');
 482}
 483
 484static struct field_desc tp_la0[] = {
 485        { "RcfOpCodeOut", 60, 4 },
 486        { "State", 56, 4 },
 487        { "WcfState", 52, 4 },
 488        { "RcfOpcSrcOut", 50, 2 },
 489        { "CRxError", 49, 1 },
 490        { "ERxError", 48, 1 },
 491        { "SanityFailed", 47, 1 },
 492        { "SpuriousMsg", 46, 1 },
 493        { "FlushInputMsg", 45, 1 },
 494        { "FlushInputCpl", 44, 1 },
 495        { "RssUpBit", 43, 1 },
 496        { "RssFilterHit", 42, 1 },
 497        { "Tid", 32, 10 },
 498        { "InitTcb", 31, 1 },
 499        { "LineNumber", 24, 7 },
 500        { "Emsg", 23, 1 },
 501        { "EdataOut", 22, 1 },
 502        { "Cmsg", 21, 1 },
 503        { "CdataOut", 20, 1 },
 504        { "EreadPdu", 19, 1 },
 505        { "CreadPdu", 18, 1 },
 506        { "TunnelPkt", 17, 1 },
 507        { "RcfPeerFin", 16, 1 },
 508        { "RcfReasonOut", 12, 4 },
 509        { "TxCchannel", 10, 2 },
 510        { "RcfTxChannel", 8, 2 },
 511        { "RxEchannel", 6, 2 },
 512        { "RcfRxChannel", 5, 1 },
 513        { "RcfDataOutSrdy", 4, 1 },
 514        { "RxDvld", 3, 1 },
 515        { "RxOoDvld", 2, 1 },
 516        { "RxCongestion", 1, 1 },
 517        { "TxCongestion", 0, 1 },
 518        { NULL }
 519};
 520
 521static int tp_la_show(struct seq_file *seq, void *v, int idx)
 522{
 523        const u64 *p = v;
 524
 525        field_desc_show(seq, *p, tp_la0);
 526        return 0;
 527}
 528
 529static int tp_la_show2(struct seq_file *seq, void *v, int idx)
 530{
 531        const u64 *p = v;
 532
 533        if (idx)
 534                seq_putc(seq, '\n');
 535        field_desc_show(seq, p[0], tp_la0);
 536        if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 537                field_desc_show(seq, p[1], tp_la0);
 538        return 0;
 539}
 540
 541static int tp_la_show3(struct seq_file *seq, void *v, int idx)
 542{
 543        static struct field_desc tp_la1[] = {
 544                { "CplCmdIn", 56, 8 },
 545                { "CplCmdOut", 48, 8 },
 546                { "ESynOut", 47, 1 },
 547                { "EAckOut", 46, 1 },
 548                { "EFinOut", 45, 1 },
 549                { "ERstOut", 44, 1 },
 550                { "SynIn", 43, 1 },
 551                { "AckIn", 42, 1 },
 552                { "FinIn", 41, 1 },
 553                { "RstIn", 40, 1 },
 554                { "DataIn", 39, 1 },
 555                { "DataInVld", 38, 1 },
 556                { "PadIn", 37, 1 },
 557                { "RxBufEmpty", 36, 1 },
 558                { "RxDdp", 35, 1 },
 559                { "RxFbCongestion", 34, 1 },
 560                { "TxFbCongestion", 33, 1 },
 561                { "TxPktSumSrdy", 32, 1 },
 562                { "RcfUlpType", 28, 4 },
 563                { "Eread", 27, 1 },
 564                { "Ebypass", 26, 1 },
 565                { "Esave", 25, 1 },
 566                { "Static0", 24, 1 },
 567                { "Cread", 23, 1 },
 568                { "Cbypass", 22, 1 },
 569                { "Csave", 21, 1 },
 570                { "CPktOut", 20, 1 },
 571                { "RxPagePoolFull", 18, 2 },
 572                { "RxLpbkPkt", 17, 1 },
 573                { "TxLpbkPkt", 16, 1 },
 574                { "RxVfValid", 15, 1 },
 575                { "SynLearned", 14, 1 },
 576                { "SetDelEntry", 13, 1 },
 577                { "SetInvEntry", 12, 1 },
 578                { "CpcmdDvld", 11, 1 },
 579                { "CpcmdSave", 10, 1 },
 580                { "RxPstructsFull", 8, 2 },
 581                { "EpcmdDvld", 7, 1 },
 582                { "EpcmdFlush", 6, 1 },
 583                { "EpcmdTrimPrefix", 5, 1 },
 584                { "EpcmdTrimPostfix", 4, 1 },
 585                { "ERssIp4Pkt", 3, 1 },
 586                { "ERssIp6Pkt", 2, 1 },
 587                { "ERssTcpUdpPkt", 1, 1 },
 588                { "ERssFceFipPkt", 0, 1 },
 589                { NULL }
 590        };
 591        static struct field_desc tp_la2[] = {
 592                { "CplCmdIn", 56, 8 },
 593                { "MpsVfVld", 55, 1 },
 594                { "MpsPf", 52, 3 },
 595                { "MpsVf", 44, 8 },
 596                { "SynIn", 43, 1 },
 597                { "AckIn", 42, 1 },
 598                { "FinIn", 41, 1 },
 599                { "RstIn", 40, 1 },
 600                { "DataIn", 39, 1 },
 601                { "DataInVld", 38, 1 },
 602                { "PadIn", 37, 1 },
 603                { "RxBufEmpty", 36, 1 },
 604                { "RxDdp", 35, 1 },
 605                { "RxFbCongestion", 34, 1 },
 606                { "TxFbCongestion", 33, 1 },
 607                { "TxPktSumSrdy", 32, 1 },
 608                { "RcfUlpType", 28, 4 },
 609                { "Eread", 27, 1 },
 610                { "Ebypass", 26, 1 },
 611                { "Esave", 25, 1 },
 612                { "Static0", 24, 1 },
 613                { "Cread", 23, 1 },
 614                { "Cbypass", 22, 1 },
 615                { "Csave", 21, 1 },
 616                { "CPktOut", 20, 1 },
 617                { "RxPagePoolFull", 18, 2 },
 618                { "RxLpbkPkt", 17, 1 },
 619                { "TxLpbkPkt", 16, 1 },
 620                { "RxVfValid", 15, 1 },
 621                { "SynLearned", 14, 1 },
 622                { "SetDelEntry", 13, 1 },
 623                { "SetInvEntry", 12, 1 },
 624                { "CpcmdDvld", 11, 1 },
 625                { "CpcmdSave", 10, 1 },
 626                { "RxPstructsFull", 8, 2 },
 627                { "EpcmdDvld", 7, 1 },
 628                { "EpcmdFlush", 6, 1 },
 629                { "EpcmdTrimPrefix", 5, 1 },
 630                { "EpcmdTrimPostfix", 4, 1 },
 631                { "ERssIp4Pkt", 3, 1 },
 632                { "ERssIp6Pkt", 2, 1 },
 633                { "ERssTcpUdpPkt", 1, 1 },
 634                { "ERssFceFipPkt", 0, 1 },
 635                { NULL }
 636        };
 637        const u64 *p = v;
 638
 639        if (idx)
 640                seq_putc(seq, '\n');
 641        field_desc_show(seq, p[0], tp_la0);
 642        if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 643                field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
 644        return 0;
 645}
 646
 647static int tp_la_open(struct inode *inode, struct file *file)
 648{
 649        struct seq_tab *p;
 650        struct adapter *adap = inode->i_private;
 651
 652        switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
 653        case 2:
 654                p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 655                                 tp_la_show2);
 656                break;
 657        case 3:
 658                p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 659                                 tp_la_show3);
 660                break;
 661        default:
 662                p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
 663        }
 664        if (!p)
 665                return -ENOMEM;
 666
 667        t4_tp_read_la(adap, (u64 *)p->data, NULL);
 668        return 0;
 669}
 670
 671static ssize_t tp_la_write(struct file *file, const char __user *buf,
 672                           size_t count, loff_t *pos)
 673{
 674        int err;
 675        char s[32];
 676        unsigned long val;
 677        size_t size = min(sizeof(s) - 1, count);
 678        struct adapter *adap = file_inode(file)->i_private;
 679
 680        if (copy_from_user(s, buf, size))
 681                return -EFAULT;
 682        s[size] = '\0';
 683        err = kstrtoul(s, 0, &val);
 684        if (err)
 685                return err;
 686        if (val > 0xffff)
 687                return -EINVAL;
 688        adap->params.tp.la_mask = val << 16;
 689        t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
 690                         adap->params.tp.la_mask);
 691        return count;
 692}
 693
 694static const struct file_operations tp_la_fops = {
 695        .owner   = THIS_MODULE,
 696        .open    = tp_la_open,
 697        .read    = seq_read,
 698        .llseek  = seq_lseek,
 699        .release = seq_release_private,
 700        .write   = tp_la_write
 701};
 702
 703static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
 704{
 705        const u32 *p = v;
 706
 707        if (v == SEQ_START_TOKEN)
 708                seq_puts(seq, "      Pcmd        Type   Message"
 709                         "                Data\n");
 710        else
 711                seq_printf(seq, "%08x%08x  %4x  %08x  %08x%08x%08x%08x\n",
 712                           p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
 713        return 0;
 714}
 715
 716static int ulprx_la_open(struct inode *inode, struct file *file)
 717{
 718        struct seq_tab *p;
 719        struct adapter *adap = inode->i_private;
 720
 721        p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
 722                         ulprx_la_show);
 723        if (!p)
 724                return -ENOMEM;
 725
 726        t4_ulprx_read_la(adap, (u32 *)p->data);
 727        return 0;
 728}
 729
 730static const struct file_operations ulprx_la_fops = {
 731        .owner   = THIS_MODULE,
 732        .open    = ulprx_la_open,
 733        .read    = seq_read,
 734        .llseek  = seq_lseek,
 735        .release = seq_release_private
 736};
 737
 738/* Show the PM memory stats.  These stats include:
 739 *
 740 * TX:
 741 *   Read: memory read operation
 742 *   Write Bypass: cut-through
 743 *   Bypass + mem: cut-through and save copy
 744 *
 745 * RX:
 746 *   Read: memory read
 747 *   Write Bypass: cut-through
 748 *   Flush: payload trim or drop
 749 */
 750static int pm_stats_show(struct seq_file *seq, void *v)
 751{
 752        static const char * const tx_pm_stats[] = {
 753                "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 754        };
 755        static const char * const rx_pm_stats[] = {
 756                "Read:", "Write bypass:", "Write mem:", "Flush:"
 757        };
 758
 759        int i;
 760        u32 tx_cnt[T6_PM_NSTATS], rx_cnt[T6_PM_NSTATS];
 761        u64 tx_cyc[T6_PM_NSTATS], rx_cyc[T6_PM_NSTATS];
 762        struct adapter *adap = seq->private;
 763
 764        t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
 765        t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
 766
 767        seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
 768        for (i = 0; i < PM_NSTATS - 1; i++)
 769                seq_printf(seq, "%-13s %10u  %20llu\n",
 770                           tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
 771
 772        seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
 773        for (i = 0; i < PM_NSTATS - 1; i++)
 774                seq_printf(seq, "%-13s %10u  %20llu\n",
 775                           rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
 776
 777        if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
 778                /* In T5 the granularity of the total wait is too fine.
 779                 * It is not useful as it reaches the max value too fast.
 780                 * Hence display this Input FIFO wait for T6 onwards.
 781                 */
 782                seq_printf(seq, "%13s %10s  %20s\n",
 783                           " ", "Total wait", "Total Occupancy");
 784                seq_printf(seq, "Tx FIFO wait  %10u  %20llu\n",
 785                           tx_cnt[i], tx_cyc[i]);
 786                seq_printf(seq, "Rx FIFO wait  %10u  %20llu\n",
 787                           rx_cnt[i], rx_cyc[i]);
 788
 789                /* Skip index 6 as there is nothing useful ihere */
 790                i += 2;
 791
 792                /* At index 7, a new stat for read latency (count, total wait)
 793                 * is added.
 794                 */
 795                seq_printf(seq, "%13s %10s  %20s\n",
 796                           " ", "Reads", "Total wait");
 797                seq_printf(seq, "Tx latency    %10u  %20llu\n",
 798                           tx_cnt[i], tx_cyc[i]);
 799                seq_printf(seq, "Rx latency    %10u  %20llu\n",
 800                           rx_cnt[i], rx_cyc[i]);
 801        }
 802        return 0;
 803}
 804
 805static int pm_stats_open(struct inode *inode, struct file *file)
 806{
 807        return single_open(file, pm_stats_show, inode->i_private);
 808}
 809
 810static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
 811                              size_t count, loff_t *pos)
 812{
 813        struct adapter *adap = file_inode(file)->i_private;
 814
 815        t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
 816        t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
 817        return count;
 818}
 819
 820static const struct file_operations pm_stats_debugfs_fops = {
 821        .owner   = THIS_MODULE,
 822        .open    = pm_stats_open,
 823        .read    = seq_read,
 824        .llseek  = seq_lseek,
 825        .release = single_release,
 826        .write   = pm_stats_clear
 827};
 828
 829static int tx_rate_show(struct seq_file *seq, void *v)
 830{
 831        u64 nrate[NCHAN], orate[NCHAN];
 832        struct adapter *adap = seq->private;
 833
 834        t4_get_chan_txrate(adap, nrate, orate);
 835        if (adap->params.arch.nchan == NCHAN) {
 836                seq_puts(seq, "              channel 0   channel 1   "
 837                         "channel 2   channel 3\n");
 838                seq_printf(seq, "NIC B/s:     %10llu  %10llu  %10llu  %10llu\n",
 839                           (unsigned long long)nrate[0],
 840                           (unsigned long long)nrate[1],
 841                           (unsigned long long)nrate[2],
 842                           (unsigned long long)nrate[3]);
 843                seq_printf(seq, "Offload B/s: %10llu  %10llu  %10llu  %10llu\n",
 844                           (unsigned long long)orate[0],
 845                           (unsigned long long)orate[1],
 846                           (unsigned long long)orate[2],
 847                           (unsigned long long)orate[3]);
 848        } else {
 849                seq_puts(seq, "              channel 0   channel 1\n");
 850                seq_printf(seq, "NIC B/s:     %10llu  %10llu\n",
 851                           (unsigned long long)nrate[0],
 852                           (unsigned long long)nrate[1]);
 853                seq_printf(seq, "Offload B/s: %10llu  %10llu\n",
 854                           (unsigned long long)orate[0],
 855                           (unsigned long long)orate[1]);
 856        }
 857        return 0;
 858}
 859
 860DEFINE_SIMPLE_DEBUGFS_FILE(tx_rate);
 861
 862static int cctrl_tbl_show(struct seq_file *seq, void *v)
 863{
 864        static const char * const dec_fac[] = {
 865                "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
 866                "0.9375" };
 867
 868        int i;
 869        u16 (*incr)[NCCTRL_WIN];
 870        struct adapter *adap = seq->private;
 871
 872        incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL);
 873        if (!incr)
 874                return -ENOMEM;
 875
 876        t4_read_cong_tbl(adap, incr);
 877
 878        for (i = 0; i < NCCTRL_WIN; ++i) {
 879                seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
 880                           incr[0][i], incr[1][i], incr[2][i], incr[3][i],
 881                           incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
 882                seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
 883                           incr[8][i], incr[9][i], incr[10][i], incr[11][i],
 884                           incr[12][i], incr[13][i], incr[14][i], incr[15][i],
 885                           adap->params.a_wnd[i],
 886                           dec_fac[adap->params.b_wnd[i]]);
 887        }
 888
 889        kfree(incr);
 890        return 0;
 891}
 892
 893DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
 894
 895/* Format a value in a unit that differs from the value's native unit by the
 896 * given factor.
 897 */
 898static char *unit_conv(char *buf, size_t len, unsigned int val,
 899                       unsigned int factor)
 900{
 901        unsigned int rem = val % factor;
 902
 903        if (rem == 0) {
 904                snprintf(buf, len, "%u", val / factor);
 905        } else {
 906                while (rem % 10 == 0)
 907                        rem /= 10;
 908                snprintf(buf, len, "%u.%u", val / factor, rem);
 909        }
 910        return buf;
 911}
 912
 913static int clk_show(struct seq_file *seq, void *v)
 914{
 915        char buf[32];
 916        struct adapter *adap = seq->private;
 917        unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
 918        u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
 919        unsigned int tre = TIMERRESOLUTION_G(res);
 920        unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
 921        unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
 922
 923        seq_printf(seq, "Core clock period: %s ns\n",
 924                   unit_conv(buf, sizeof(buf), cclk_ps, 1000));
 925        seq_printf(seq, "TP timer tick: %s us\n",
 926                   unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
 927        seq_printf(seq, "TCP timestamp tick: %s us\n",
 928                   unit_conv(buf, sizeof(buf),
 929                             (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
 930        seq_printf(seq, "DACK tick: %s us\n",
 931                   unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
 932        seq_printf(seq, "DACK timer: %u us\n",
 933                   ((cclk_ps << dack_re) / 1000000) *
 934                   t4_read_reg(adap, TP_DACK_TIMER_A));
 935        seq_printf(seq, "Retransmit min: %llu us\n",
 936                   tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
 937        seq_printf(seq, "Retransmit max: %llu us\n",
 938                   tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
 939        seq_printf(seq, "Persist timer min: %llu us\n",
 940                   tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
 941        seq_printf(seq, "Persist timer max: %llu us\n",
 942                   tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
 943        seq_printf(seq, "Keepalive idle timer: %llu us\n",
 944                   tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
 945        seq_printf(seq, "Keepalive interval: %llu us\n",
 946                   tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
 947        seq_printf(seq, "Initial SRTT: %llu us\n",
 948                   tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
 949        seq_printf(seq, "FINWAIT2 timer: %llu us\n",
 950                   tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
 951
 952        return 0;
 953}
 954
 955DEFINE_SIMPLE_DEBUGFS_FILE(clk);
 956
 957/* Firmware Device Log dump. */
 958static const char * const devlog_level_strings[] = {
 959        [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
 960        [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
 961        [FW_DEVLOG_LEVEL_ERR]           = "ERR",
 962        [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
 963        [FW_DEVLOG_LEVEL_INFO]          = "INFO",
 964        [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
 965};
 966
 967static const char * const devlog_facility_strings[] = {
 968        [FW_DEVLOG_FACILITY_CORE]       = "CORE",
 969        [FW_DEVLOG_FACILITY_CF]         = "CF",
 970        [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
 971        [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
 972        [FW_DEVLOG_FACILITY_RES]        = "RES",
 973        [FW_DEVLOG_FACILITY_HW]         = "HW",
 974        [FW_DEVLOG_FACILITY_FLR]        = "FLR",
 975        [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
 976        [FW_DEVLOG_FACILITY_PHY]        = "PHY",
 977        [FW_DEVLOG_FACILITY_MAC]        = "MAC",
 978        [FW_DEVLOG_FACILITY_PORT]       = "PORT",
 979        [FW_DEVLOG_FACILITY_VI]         = "VI",
 980        [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
 981        [FW_DEVLOG_FACILITY_ACL]        = "ACL",
 982        [FW_DEVLOG_FACILITY_TM]         = "TM",
 983        [FW_DEVLOG_FACILITY_QFC]        = "QFC",
 984        [FW_DEVLOG_FACILITY_DCB]        = "DCB",
 985        [FW_DEVLOG_FACILITY_ETH]        = "ETH",
 986        [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
 987        [FW_DEVLOG_FACILITY_RI]         = "RI",
 988        [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
 989        [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
 990        [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
 991        [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
 992};
 993
 994/* Information gathered by Device Log Open routine for the display routine.
 995 */
 996struct devlog_info {
 997        unsigned int nentries;          /* number of entries in log[] */
 998        unsigned int first;             /* first [temporal] entry in log[] */
 999        struct fw_devlog_e log[0];      /* Firmware Device Log */
1000};
1001
1002/* Dump a Firmaware Device Log entry.
1003 */
1004static int devlog_show(struct seq_file *seq, void *v)
1005{
1006        if (v == SEQ_START_TOKEN)
1007                seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
1008                           "Seq#", "Tstamp", "Level", "Facility", "Message");
1009        else {
1010                struct devlog_info *dinfo = seq->private;
1011                int fidx = (uintptr_t)v - 2;
1012                unsigned long index;
1013                struct fw_devlog_e *e;
1014
1015                /* Get a pointer to the log entry to display.  Skip unused log
1016                 * entries.
1017                 */
1018                index = dinfo->first + fidx;
1019                if (index >= dinfo->nentries)
1020                        index -= dinfo->nentries;
1021                e = &dinfo->log[index];
1022                if (e->timestamp == 0)
1023                        return 0;
1024
1025                /* Print the message.  This depends on the firmware using
1026                 * exactly the same formating strings as the kernel so we may
1027                 * eventually have to put a format interpreter in here ...
1028                 */
1029                seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
1030                           be32_to_cpu(e->seqno),
1031                           be64_to_cpu(e->timestamp),
1032                           (e->level < ARRAY_SIZE(devlog_level_strings)
1033                            ? devlog_level_strings[e->level]
1034                            : "UNKNOWN"),
1035                           (e->facility < ARRAY_SIZE(devlog_facility_strings)
1036                            ? devlog_facility_strings[e->facility]
1037                            : "UNKNOWN"));
1038                seq_printf(seq, e->fmt,
1039                           be32_to_cpu(e->params[0]),
1040                           be32_to_cpu(e->params[1]),
1041                           be32_to_cpu(e->params[2]),
1042                           be32_to_cpu(e->params[3]),
1043                           be32_to_cpu(e->params[4]),
1044                           be32_to_cpu(e->params[5]),
1045                           be32_to_cpu(e->params[6]),
1046                           be32_to_cpu(e->params[7]));
1047        }
1048        return 0;
1049}
1050
1051/* Sequential File Operations for Device Log.
1052 */
1053static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
1054{
1055        if (pos > dinfo->nentries)
1056                return NULL;
1057
1058        return (void *)(uintptr_t)(pos + 1);
1059}
1060
1061static void *devlog_start(struct seq_file *seq, loff_t *pos)
1062{
1063        struct devlog_info *dinfo = seq->private;
1064
1065        return (*pos
1066                ? devlog_get_idx(dinfo, *pos)
1067                : SEQ_START_TOKEN);
1068}
1069
1070static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
1071{
1072        struct devlog_info *dinfo = seq->private;
1073
1074        (*pos)++;
1075        return devlog_get_idx(dinfo, *pos);
1076}
1077
1078static void devlog_stop(struct seq_file *seq, void *v)
1079{
1080}
1081
1082static const struct seq_operations devlog_seq_ops = {
1083        .start = devlog_start,
1084        .next  = devlog_next,
1085        .stop  = devlog_stop,
1086        .show  = devlog_show
1087};
1088
1089/* Set up for reading the firmware's device log.  We read the entire log here
1090 * and then display it incrementally in devlog_show().
1091 */
1092static int devlog_open(struct inode *inode, struct file *file)
1093{
1094        struct adapter *adap = inode->i_private;
1095        struct devlog_params *dparams = &adap->params.devlog;
1096        struct devlog_info *dinfo;
1097        unsigned int index;
1098        u32 fseqno;
1099        int ret;
1100
1101        /* If we don't know where the log is we can't do anything.
1102         */
1103        if (dparams->start == 0)
1104                return -ENXIO;
1105
1106        /* Allocate the space to read in the firmware's device log and set up
1107         * for the iterated call to our display function.
1108         */
1109        dinfo = __seq_open_private(file, &devlog_seq_ops,
1110                                   sizeof(*dinfo) + dparams->size);
1111        if (!dinfo)
1112                return -ENOMEM;
1113
1114        /* Record the basic log buffer information and read in the raw log.
1115         */
1116        dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
1117        dinfo->first = 0;
1118        spin_lock(&adap->win0_lock);
1119        ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
1120                           dparams->start, dparams->size, (__be32 *)dinfo->log,
1121                           T4_MEMORY_READ);
1122        spin_unlock(&adap->win0_lock);
1123        if (ret) {
1124                seq_release_private(inode, file);
1125                return ret;
1126        }
1127
1128        /* Find the earliest (lowest Sequence Number) log entry in the
1129         * circular Device Log.
1130         */
1131        for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
1132                struct fw_devlog_e *e = &dinfo->log[index];
1133                __u32 seqno;
1134
1135                if (e->timestamp == 0)
1136                        continue;
1137
1138                seqno = be32_to_cpu(e->seqno);
1139                if (seqno < fseqno) {
1140                        fseqno = seqno;
1141                        dinfo->first = index;
1142                }
1143        }
1144        return 0;
1145}
1146
1147static const struct file_operations devlog_fops = {
1148        .owner   = THIS_MODULE,
1149        .open    = devlog_open,
1150        .read    = seq_read,
1151        .llseek  = seq_lseek,
1152        .release = seq_release_private
1153};
1154
1155static int mbox_show(struct seq_file *seq, void *v)
1156{
1157        static const char * const owner[] = { "none", "FW", "driver",
1158                                              "unknown", "<unread>" };
1159
1160        int i;
1161        unsigned int mbox = (uintptr_t)seq->private & 7;
1162        struct adapter *adap = seq->private - mbox;
1163        void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1164
1165        /* For T4 we don't have a shadow copy of the Mailbox Control register.
1166         * And since reading that real register causes a side effect of
1167         * granting ownership, we're best of simply not reading it at all.
1168         */
1169        if (is_t4(adap->params.chip)) {
1170                i = 4; /* index of "<unread>" */
1171        } else {
1172                unsigned int ctrl_reg = CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A;
1173                void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
1174
1175                i = MBOWNER_G(readl(ctrl));
1176        }
1177
1178        seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
1179
1180        for (i = 0; i < MBOX_LEN; i += 8)
1181                seq_printf(seq, "%016llx\n",
1182                           (unsigned long long)readq(addr + i));
1183        return 0;
1184}
1185
1186static int mbox_open(struct inode *inode, struct file *file)
1187{
1188        return single_open(file, mbox_show, inode->i_private);
1189}
1190
1191static ssize_t mbox_write(struct file *file, const char __user *buf,
1192                          size_t count, loff_t *pos)
1193{
1194        int i;
1195        char c = '\n', s[256];
1196        unsigned long long data[8];
1197        const struct inode *ino;
1198        unsigned int mbox;
1199        struct adapter *adap;
1200        void __iomem *addr;
1201        void __iomem *ctrl;
1202
1203        if (count > sizeof(s) - 1 || !count)
1204                return -EINVAL;
1205        if (copy_from_user(s, buf, count))
1206                return -EFAULT;
1207        s[count] = '\0';
1208
1209        if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
1210                   &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
1211                   &data[7], &c) < 8 || c != '\n')
1212                return -EINVAL;
1213
1214        ino = file_inode(file);
1215        mbox = (uintptr_t)ino->i_private & 7;
1216        adap = ino->i_private - mbox;
1217        addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1218        ctrl = addr + MBOX_LEN;
1219
1220        if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1221                return -EBUSY;
1222
1223        for (i = 0; i < 8; i++)
1224                writeq(data[i], addr + 8 * i);
1225
1226        writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1227        return count;
1228}
1229
1230static const struct file_operations mbox_debugfs_fops = {
1231        .owner   = THIS_MODULE,
1232        .open    = mbox_open,
1233        .read    = seq_read,
1234        .llseek  = seq_lseek,
1235        .release = single_release,
1236        .write   = mbox_write
1237};
1238
1239static int mps_trc_show(struct seq_file *seq, void *v)
1240{
1241        int enabled, i;
1242        struct trace_params tp;
1243        unsigned int trcidx = (uintptr_t)seq->private & 3;
1244        struct adapter *adap = seq->private - trcidx;
1245
1246        t4_get_trace_filter(adap, &tp, trcidx, &enabled);
1247        if (!enabled) {
1248                seq_puts(seq, "tracer is disabled\n");
1249                return 0;
1250        }
1251
1252        if (tp.skip_ofst * 8 >= TRACE_LEN) {
1253                dev_err(adap->pdev_dev, "illegal trace pattern skip offset\n");
1254                return -EINVAL;
1255        }
1256        if (tp.port < 8) {
1257                i = adap->chan_map[tp.port & 3];
1258                if (i >= MAX_NPORTS) {
1259                        dev_err(adap->pdev_dev, "tracer %u is assigned "
1260                                "to non-existing port\n", trcidx);
1261                        return -EINVAL;
1262                }
1263                seq_printf(seq, "tracer is capturing %s %s, ",
1264                           adap->port[i]->name, tp.port < 4 ? "Rx" : "Tx");
1265        } else
1266                seq_printf(seq, "tracer is capturing loopback %d, ",
1267                           tp.port - 8);
1268        seq_printf(seq, "snap length: %u, min length: %u\n", tp.snap_len,
1269                   tp.min_len);
1270        seq_printf(seq, "packets captured %smatch filter\n",
1271                   tp.invert ? "do not " : "");
1272
1273        if (tp.skip_ofst) {
1274                seq_puts(seq, "filter pattern: ");
1275                for (i = 0; i < tp.skip_ofst * 2; i += 2)
1276                        seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1277                seq_putc(seq, '/');
1278                for (i = 0; i < tp.skip_ofst * 2; i += 2)
1279                        seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1280                seq_puts(seq, "@0\n");
1281        }
1282
1283        seq_puts(seq, "filter pattern: ");
1284        for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1285                seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1286        seq_putc(seq, '/');
1287        for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1288                seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1289        seq_printf(seq, "@%u\n", (tp.skip_ofst + tp.skip_len) * 8);
1290        return 0;
1291}
1292
1293static int mps_trc_open(struct inode *inode, struct file *file)
1294{
1295        return single_open(file, mps_trc_show, inode->i_private);
1296}
1297
1298static unsigned int xdigit2int(unsigned char c)
1299{
1300        return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
1301}
1302
1303#define TRC_PORT_NONE 0xff
1304#define TRC_RSS_ENABLE 0x33
1305#define TRC_RSS_DISABLE 0x13
1306
1307/* Set an MPS trace filter.  Syntax is:
1308 *
1309 * disable
1310 *
1311 * to disable tracing, or
1312 *
1313 * interface qid=<qid no> [snaplen=<val>] [minlen=<val>] [not] [<pattern>]...
1314 *
1315 * where interface is one of rxN, txN, or loopbackN, N = 0..3, qid can be one
1316 * of the NIC's response qid obtained from sge_qinfo and pattern has the form
1317 *
1318 * <pattern data>[/<pattern mask>][@<anchor>]
1319 *
1320 * Up to 2 filter patterns can be specified.  If 2 are supplied the first one
1321 * must be anchored at 0.  An omited mask is taken as a mask of 1s, an omitted
1322 * anchor is taken as 0.
1323 */
1324static ssize_t mps_trc_write(struct file *file, const char __user *buf,
1325                             size_t count, loff_t *pos)
1326{
1327        int i, enable, ret;
1328        u32 *data, *mask;
1329        struct trace_params tp;
1330        const struct inode *ino;
1331        unsigned int trcidx;
1332        char *s, *p, *word, *end;
1333        struct adapter *adap;
1334        u32 j;
1335
1336        ino = file_inode(file);
1337        trcidx = (uintptr_t)ino->i_private & 3;
1338        adap = ino->i_private - trcidx;
1339
1340        /* Don't accept input more than 1K, can't be anything valid except lots
1341         * of whitespace.  Well, use less.
1342         */
1343        if (count > 1024)
1344                return -EFBIG;
1345        p = s = kzalloc(count + 1, GFP_USER);
1346        if (!s)
1347                return -ENOMEM;
1348        if (copy_from_user(s, buf, count)) {
1349                count = -EFAULT;
1350                goto out;
1351        }
1352
1353        if (s[count - 1] == '\n')
1354                s[count - 1] = '\0';
1355
1356        enable = strcmp("disable", s) != 0;
1357        if (!enable)
1358                goto apply;
1359
1360        /* enable or disable trace multi rss filter */
1361        if (adap->trace_rss)
1362                t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_ENABLE);
1363        else
1364                t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_DISABLE);
1365
1366        memset(&tp, 0, sizeof(tp));
1367        tp.port = TRC_PORT_NONE;
1368        i = 0;  /* counts pattern nibbles */
1369
1370        while (p) {
1371                while (isspace(*p))
1372                        p++;
1373                word = strsep(&p, " ");
1374                if (!*word)
1375                        break;
1376
1377                if (!strncmp(word, "qid=", 4)) {
1378                        end = (char *)word + 4;
1379                        ret = kstrtouint(end, 10, &j);
1380                        if (ret)
1381                                goto out;
1382                        if (!adap->trace_rss) {
1383                                t4_write_reg(adap, MPS_T5_TRC_RSS_CONTROL_A, j);
1384                                continue;
1385                        }
1386
1387                        switch (trcidx) {
1388                        case 0:
1389                                t4_write_reg(adap, MPS_TRC_RSS_CONTROL_A, j);
1390                                break;
1391                        case 1:
1392                                t4_write_reg(adap,
1393                                             MPS_TRC_FILTER1_RSS_CONTROL_A, j);
1394                                break;
1395                        case 2:
1396                                t4_write_reg(adap,
1397                                             MPS_TRC_FILTER2_RSS_CONTROL_A, j);
1398                                break;
1399                        case 3:
1400                                t4_write_reg(adap,
1401                                             MPS_TRC_FILTER3_RSS_CONTROL_A, j);
1402                                break;
1403                        }
1404                        continue;
1405                }
1406                if (!strncmp(word, "snaplen=", 8)) {
1407                        end = (char *)word + 8;
1408                        ret = kstrtouint(end, 10, &j);
1409                        if (ret || j > 9600) {
1410inval:                          count = -EINVAL;
1411                                goto out;
1412                        }
1413                        tp.snap_len = j;
1414                        continue;
1415                }
1416                if (!strncmp(word, "minlen=", 7)) {
1417                        end = (char *)word + 7;
1418                        ret = kstrtouint(end, 10, &j);
1419                        if (ret || j > TFMINPKTSIZE_M)
1420                                goto inval;
1421                        tp.min_len = j;
1422                        continue;
1423                }
1424                if (!strcmp(word, "not")) {
1425                        tp.invert = !tp.invert;
1426                        continue;
1427                }
1428                if (!strncmp(word, "loopback", 8) && tp.port == TRC_PORT_NONE) {
1429                        if (word[8] < '0' || word[8] > '3' || word[9])
1430                                goto inval;
1431                        tp.port = word[8] - '0' + 8;
1432                        continue;
1433                }
1434                if (!strncmp(word, "tx", 2) && tp.port == TRC_PORT_NONE) {
1435                        if (word[2] < '0' || word[2] > '3' || word[3])
1436                                goto inval;
1437                        tp.port = word[2] - '0' + 4;
1438                        if (adap->chan_map[tp.port & 3] >= MAX_NPORTS)
1439                                goto inval;
1440                        continue;
1441                }
1442                if (!strncmp(word, "rx", 2) && tp.port == TRC_PORT_NONE) {
1443                        if (word[2] < '0' || word[2] > '3' || word[3])
1444                                goto inval;
1445                        tp.port = word[2] - '0';
1446                        if (adap->chan_map[tp.port] >= MAX_NPORTS)
1447                                goto inval;
1448                        continue;
1449                }
1450                if (!isxdigit(*word))
1451                        goto inval;
1452
1453                /* we have found a trace pattern */
1454                if (i) {                            /* split pattern */
1455                        if (tp.skip_len)            /* too many splits */
1456                                goto inval;
1457                        tp.skip_ofst = i / 16;
1458                }
1459
1460                data = &tp.data[i / 8];
1461                mask = &tp.mask[i / 8];
1462                j = i;
1463
1464                while (isxdigit(*word)) {
1465                        if (i >= TRACE_LEN * 2) {
1466                                count = -EFBIG;
1467                                goto out;
1468                        }
1469                        *data = (*data << 4) + xdigit2int(*word++);
1470                        if (++i % 8 == 0)
1471                                data++;
1472                }
1473                if (*word == '/') {
1474                        word++;
1475                        while (isxdigit(*word)) {
1476                                if (j >= i)         /* mask longer than data */
1477                                        goto inval;
1478                                *mask = (*mask << 4) + xdigit2int(*word++);
1479                                if (++j % 8 == 0)
1480                                        mask++;
1481                        }
1482                        if (i != j)                 /* mask shorter than data */
1483                                goto inval;
1484                } else {                            /* no mask, use all 1s */
1485                        for ( ; i - j >= 8; j += 8)
1486                                *mask++ = 0xffffffff;
1487                        if (i % 8)
1488                                *mask = (1 << (i % 8) * 4) - 1;
1489                }
1490                if (*word == '@') {
1491                        end = (char *)word + 1;
1492                        ret = kstrtouint(end, 10, &j);
1493                        if (*end && *end != '\n')
1494                                goto inval;
1495                        if (j & 7)          /* doesn't start at multiple of 8 */
1496                                goto inval;
1497                        j /= 8;
1498                        if (j < tp.skip_ofst)     /* overlaps earlier pattern */
1499                                goto inval;
1500                        if (j - tp.skip_ofst > 31)            /* skip too big */
1501                                goto inval;
1502                        tp.skip_len = j - tp.skip_ofst;
1503                }
1504                if (i % 8) {
1505                        *data <<= (8 - i % 8) * 4;
1506                        *mask <<= (8 - i % 8) * 4;
1507                        i = (i + 15) & ~15;         /* 8-byte align */
1508                }
1509        }
1510
1511        if (tp.port == TRC_PORT_NONE)
1512                goto inval;
1513
1514apply:
1515        i = t4_set_trace_filter(adap, &tp, trcidx, enable);
1516        if (i)
1517                count = i;
1518out:
1519        kfree(s);
1520        return count;
1521}
1522
1523static const struct file_operations mps_trc_debugfs_fops = {
1524        .owner   = THIS_MODULE,
1525        .open    = mps_trc_open,
1526        .read    = seq_read,
1527        .llseek  = seq_lseek,
1528        .release = single_release,
1529        .write   = mps_trc_write
1530};
1531
1532static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1533                          loff_t *ppos)
1534{
1535        loff_t pos = *ppos;
1536        loff_t avail = file_inode(file)->i_size;
1537        struct adapter *adap = file->private_data;
1538
1539        if (pos < 0)
1540                return -EINVAL;
1541        if (pos >= avail)
1542                return 0;
1543        if (count > avail - pos)
1544                count = avail - pos;
1545
1546        while (count) {
1547                size_t len;
1548                int ret, ofst;
1549                u8 data[256];
1550
1551                ofst = pos & 3;
1552                len = min(count + ofst, sizeof(data));
1553                ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1554                                    (u32 *)data, 1);
1555                if (ret)
1556                        return ret;
1557
1558                len -= ofst;
1559                if (copy_to_user(buf, data + ofst, len))
1560                        return -EFAULT;
1561
1562                buf += len;
1563                pos += len;
1564                count -= len;
1565        }
1566        count = pos - *ppos;
1567        *ppos = pos;
1568        return count;
1569}
1570
1571static const struct file_operations flash_debugfs_fops = {
1572        .owner   = THIS_MODULE,
1573        .open    = mem_open,
1574        .read    = flash_read,
1575};
1576
1577static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1578{
1579        *mask = x | y;
1580        y = (__force u64)cpu_to_be64(y);
1581        memcpy(addr, (char *)&y + 2, ETH_ALEN);
1582}
1583
1584static int mps_tcam_show(struct seq_file *seq, void *v)
1585{
1586        struct adapter *adap = seq->private;
1587        unsigned int chip_ver = CHELSIO_CHIP_VERSION(adap->params.chip);
1588        if (v == SEQ_START_TOKEN) {
1589                if (chip_ver > CHELSIO_T5) {
1590                        seq_puts(seq, "Idx  Ethernet address     Mask     "
1591                                 "  VNI   Mask   IVLAN Vld "
1592                                 "DIP_Hit   Lookup  Port "
1593                                 "Vld Ports PF  VF                           "
1594                                 "Replication                                "
1595                                 "    P0 P1 P2 P3  ML\n");
1596                } else {
1597                        if (adap->params.arch.mps_rplc_size > 128)
1598                                seq_puts(seq, "Idx  Ethernet address     Mask     "
1599                                         "Vld Ports PF  VF                           "
1600                                         "Replication                                "
1601                                         "    P0 P1 P2 P3  ML\n");
1602                        else
1603                                seq_puts(seq, "Idx  Ethernet address     Mask     "
1604                                         "Vld Ports PF  VF              Replication"
1605                                         "               P0 P1 P2 P3  ML\n");
1606                }
1607        } else {
1608                u64 mask;
1609                u8 addr[ETH_ALEN];
1610                bool replicate, dip_hit = false, vlan_vld = false;
1611                unsigned int idx = (uintptr_t)v - 2;
1612                u64 tcamy, tcamx, val;
1613                u32 cls_lo, cls_hi, ctl, data2, vnix = 0, vniy = 0;
1614                u32 rplc[8] = {0};
1615                u8 lookup_type = 0, port_num = 0;
1616                u16 ivlan = 0;
1617
1618                if (chip_ver > CHELSIO_T5) {
1619                        /* CtlCmdType - 0: Read, 1: Write
1620                         * CtlTcamSel - 0: TCAM0, 1: TCAM1
1621                         * CtlXYBitSel- 0: Y bit, 1: X bit
1622                         */
1623
1624                        /* Read tcamy */
1625                        ctl = CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0);
1626                        if (idx < 256)
1627                                ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0);
1628                        else
1629                                ctl |= CTLTCAMINDEX_V(idx - 256) |
1630                                       CTLTCAMSEL_V(1);
1631                        t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1632                        val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1633                        tcamy = DMACH_G(val) << 32;
1634                        tcamy |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1635                        data2 = t4_read_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A);
1636                        lookup_type = DATALKPTYPE_G(data2);
1637                        /* 0 - Outer header, 1 - Inner header
1638                         * [71:48] bit locations are overloaded for
1639                         * outer vs. inner lookup types.
1640                         */
1641                        if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1642                                /* Inner header VNI */
1643                                vniy = ((data2 & DATAVIDH2_F) << 23) |
1644                                       (DATAVIDH1_G(data2) << 16) | VIDL_G(val);
1645                                dip_hit = data2 & DATADIPHIT_F;
1646                        } else {
1647                                vlan_vld = data2 & DATAVIDH2_F;
1648                                ivlan = VIDL_G(val);
1649                        }
1650                        port_num = DATAPORTNUM_G(data2);
1651
1652                        /* Read tcamx. Change the control param */
1653                        ctl |= CTLXYBITSEL_V(1);
1654                        t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1655                        val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1656                        tcamx = DMACH_G(val) << 32;
1657                        tcamx |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1658                        data2 = t4_read_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A);
1659                        if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1660                                /* Inner header VNI mask */
1661                                vnix = ((data2 & DATAVIDH2_F) << 23) |
1662                                       (DATAVIDH1_G(data2) << 16) | VIDL_G(val);
1663                        }
1664                } else {
1665                        tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1666                        tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1667                }
1668
1669                cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1670                cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1671
1672                if (tcamx & tcamy) {
1673                        seq_printf(seq, "%3u         -\n", idx);
1674                        goto out;
1675                }
1676
1677                rplc[0] = rplc[1] = rplc[2] = rplc[3] = 0;
1678                if (chip_ver > CHELSIO_T5)
1679                        replicate = (cls_lo & T6_REPLICATE_F);
1680                else
1681                        replicate = (cls_lo & REPLICATE_F);
1682
1683                if (replicate) {
1684                        struct fw_ldst_cmd ldst_cmd;
1685                        int ret;
1686                        struct fw_ldst_mps_rplc mps_rplc;
1687                        u32 ldst_addrspc;
1688
1689                        memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1690                        ldst_addrspc =
1691                                FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS);
1692                        ldst_cmd.op_to_addrspace =
1693                                htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1694                                      FW_CMD_REQUEST_F |
1695                                      FW_CMD_READ_F |
1696                                      ldst_addrspc);
1697                        ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1698                        ldst_cmd.u.mps.rplc.fid_idx =
1699                                htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1700                                      FW_LDST_CMD_IDX_V(idx));
1701                        ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1702                                         sizeof(ldst_cmd), &ldst_cmd);
1703                        if (ret)
1704                                dev_warn(adap->pdev_dev, "Can't read MPS "
1705                                         "replication map for idx %d: %d\n",
1706                                         idx, -ret);
1707                        else {
1708                                mps_rplc = ldst_cmd.u.mps.rplc;
1709                                rplc[0] = ntohl(mps_rplc.rplc31_0);
1710                                rplc[1] = ntohl(mps_rplc.rplc63_32);
1711                                rplc[2] = ntohl(mps_rplc.rplc95_64);
1712                                rplc[3] = ntohl(mps_rplc.rplc127_96);
1713                                if (adap->params.arch.mps_rplc_size > 128) {
1714                                        rplc[4] = ntohl(mps_rplc.rplc159_128);
1715                                        rplc[5] = ntohl(mps_rplc.rplc191_160);
1716                                        rplc[6] = ntohl(mps_rplc.rplc223_192);
1717                                        rplc[7] = ntohl(mps_rplc.rplc255_224);
1718                                }
1719                        }
1720                }
1721
1722                tcamxy2valmask(tcamx, tcamy, addr, &mask);
1723                if (chip_ver > CHELSIO_T5) {
1724                        /* Inner header lookup */
1725                        if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1726                                seq_printf(seq,
1727                                           "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1728                                           "%012llx %06x %06x    -    -   %3c"
1729                                           "      'I'  %4x   "
1730                                           "%3c   %#x%4u%4d", idx, addr[0],
1731                                           addr[1], addr[2], addr[3],
1732                                           addr[4], addr[5],
1733                                           (unsigned long long)mask,
1734                                           vniy, vnix, dip_hit ? 'Y' : 'N',
1735                                           port_num,
1736                                           (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1737                                           PORTMAP_G(cls_hi),
1738                                           T6_PF_G(cls_lo),
1739                                           (cls_lo & T6_VF_VALID_F) ?
1740                                           T6_VF_G(cls_lo) : -1);
1741                        } else {
1742                                seq_printf(seq,
1743                                           "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1744                                           "%012llx    -       -   ",
1745                                           idx, addr[0], addr[1], addr[2],
1746                                           addr[3], addr[4], addr[5],
1747                                           (unsigned long long)mask);
1748
1749                                if (vlan_vld)
1750                                        seq_printf(seq, "%4u   Y     ", ivlan);
1751                                else
1752                                        seq_puts(seq, "  -    N     ");
1753
1754                                seq_printf(seq,
1755                                           "-      %3c  %4x   %3c   %#x%4u%4d",
1756                                           lookup_type ? 'I' : 'O', port_num,
1757                                           (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1758                                           PORTMAP_G(cls_hi),
1759                                           T6_PF_G(cls_lo),
1760                                           (cls_lo & T6_VF_VALID_F) ?
1761                                           T6_VF_G(cls_lo) : -1);
1762                        }
1763                } else
1764                        seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1765                                   "%012llx%3c   %#x%4u%4d",
1766                                   idx, addr[0], addr[1], addr[2], addr[3],
1767                                   addr[4], addr[5], (unsigned long long)mask,
1768                                   (cls_lo & SRAM_VLD_F) ? 'Y' : 'N',
1769                                   PORTMAP_G(cls_hi),
1770                                   PF_G(cls_lo),
1771                                   (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1772
1773                if (replicate) {
1774                        if (adap->params.arch.mps_rplc_size > 128)
1775                                seq_printf(seq, " %08x %08x %08x %08x "
1776                                           "%08x %08x %08x %08x",
1777                                           rplc[7], rplc[6], rplc[5], rplc[4],
1778                                           rplc[3], rplc[2], rplc[1], rplc[0]);
1779                        else
1780                                seq_printf(seq, " %08x %08x %08x %08x",
1781                                           rplc[3], rplc[2], rplc[1], rplc[0]);
1782                } else {
1783                        if (adap->params.arch.mps_rplc_size > 128)
1784                                seq_printf(seq, "%72c", ' ');
1785                        else
1786                                seq_printf(seq, "%36c", ' ');
1787                }
1788
1789                if (chip_ver > CHELSIO_T5)
1790                        seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1791                                   T6_SRAM_PRIO0_G(cls_lo),
1792                                   T6_SRAM_PRIO1_G(cls_lo),
1793                                   T6_SRAM_PRIO2_G(cls_lo),
1794                                   T6_SRAM_PRIO3_G(cls_lo),
1795                                   (cls_lo >> T6_MULTILISTEN0_S) & 0xf);
1796                else
1797                        seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1798                                   SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1799                                   SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1800                                   (cls_lo >> MULTILISTEN0_S) & 0xf);
1801        }
1802out:    return 0;
1803}
1804
1805static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1806{
1807        struct adapter *adap = seq->private;
1808        int max_mac_addr = is_t4(adap->params.chip) ?
1809                                NUM_MPS_CLS_SRAM_L_INSTANCES :
1810                                NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1811        return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1812}
1813
1814static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1815{
1816        return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1817}
1818
1819static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1820{
1821        ++*pos;
1822        return mps_tcam_get_idx(seq, *pos);
1823}
1824
1825static void mps_tcam_stop(struct seq_file *seq, void *v)
1826{
1827}
1828
1829static const struct seq_operations mps_tcam_seq_ops = {
1830        .start = mps_tcam_start,
1831        .next  = mps_tcam_next,
1832        .stop  = mps_tcam_stop,
1833        .show  = mps_tcam_show
1834};
1835
1836static int mps_tcam_open(struct inode *inode, struct file *file)
1837{
1838        int res = seq_open(file, &mps_tcam_seq_ops);
1839
1840        if (!res) {
1841                struct seq_file *seq = file->private_data;
1842
1843                seq->private = inode->i_private;
1844        }
1845        return res;
1846}
1847
1848static const struct file_operations mps_tcam_debugfs_fops = {
1849        .owner   = THIS_MODULE,
1850        .open    = mps_tcam_open,
1851        .read    = seq_read,
1852        .llseek  = seq_lseek,
1853        .release = seq_release,
1854};
1855
1856/* Display various sensor information.
1857 */
1858static int sensors_show(struct seq_file *seq, void *v)
1859{
1860        struct adapter *adap = seq->private;
1861        u32 param[7], val[7];
1862        int ret;
1863
1864        /* Note that if the sensors haven't been initialized and turned on
1865         * we'll get values of 0, so treat those as "<unknown>" ...
1866         */
1867        param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1868                    FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1869                    FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1870        param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1871                    FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1872                    FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1873        ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
1874                              param, val);
1875
1876        if (ret < 0 || val[0] == 0)
1877                seq_puts(seq, "Temperature: <unknown>\n");
1878        else
1879                seq_printf(seq, "Temperature: %dC\n", val[0]);
1880
1881        if (ret < 0 || val[1] == 0)
1882                seq_puts(seq, "Core VDD:    <unknown>\n");
1883        else
1884                seq_printf(seq, "Core VDD:    %dmV\n", val[1]);
1885
1886        return 0;
1887}
1888
1889DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1890
1891#if IS_ENABLED(CONFIG_IPV6)
1892static int clip_tbl_open(struct inode *inode, struct file *file)
1893{
1894        return single_open(file, clip_tbl_show, inode->i_private);
1895}
1896
1897static const struct file_operations clip_tbl_debugfs_fops = {
1898        .owner   = THIS_MODULE,
1899        .open    = clip_tbl_open,
1900        .read    = seq_read,
1901        .llseek  = seq_lseek,
1902        .release = single_release
1903};
1904#endif
1905
1906/*RSS Table.
1907 */
1908
1909static int rss_show(struct seq_file *seq, void *v, int idx)
1910{
1911        u16 *entry = v;
1912
1913        seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
1914                   idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1915                   entry[5], entry[6], entry[7]);
1916        return 0;
1917}
1918
1919static int rss_open(struct inode *inode, struct file *file)
1920{
1921        int ret;
1922        struct seq_tab *p;
1923        struct adapter *adap = inode->i_private;
1924
1925        p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
1926        if (!p)
1927                return -ENOMEM;
1928
1929        ret = t4_read_rss(adap, (u16 *)p->data);
1930        if (ret)
1931                seq_release_private(inode, file);
1932
1933        return ret;
1934}
1935
1936static const struct file_operations rss_debugfs_fops = {
1937        .owner   = THIS_MODULE,
1938        .open    = rss_open,
1939        .read    = seq_read,
1940        .llseek  = seq_lseek,
1941        .release = seq_release_private
1942};
1943
1944/* RSS Configuration.
1945 */
1946
1947/* Small utility function to return the strings "yes" or "no" if the supplied
1948 * argument is non-zero.
1949 */
1950static const char *yesno(int x)
1951{
1952        static const char *yes = "yes";
1953        static const char *no = "no";
1954
1955        return x ? yes : no;
1956}
1957
1958static int rss_config_show(struct seq_file *seq, void *v)
1959{
1960        struct adapter *adapter = seq->private;
1961        static const char * const keymode[] = {
1962                "global",
1963                "global and per-VF scramble",
1964                "per-PF and per-VF scramble",
1965                "per-VF and per-VF scramble",
1966        };
1967        u32 rssconf;
1968
1969        rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
1970        seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
1971        seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
1972                                                        TNL4TUPENIPV6_F));
1973        seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
1974                                                        TNL2TUPENIPV6_F));
1975        seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
1976                                                        TNL4TUPENIPV4_F));
1977        seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
1978                                                        TNL2TUPENIPV4_F));
1979        seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
1980        seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
1981        seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
1982        seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
1983        seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
1984                                                        OFDHASHSAVE_F));
1985        seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
1986        seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
1987        seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
1988        seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1989                                                        SYN4TUPENIPV6_F));
1990        seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
1991                                                        SYN2TUPENIPV6_F));
1992        seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
1993                                                        SYN4TUPENIPV4_F));
1994        seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
1995                                                        SYN2TUPENIPV4_F));
1996        seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1997                                                        SYN4TUPENIPV6_F));
1998        seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
1999        seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
2000        seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
2001        seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
2002        seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
2003                                                        CHANNELENABLE_F));
2004        seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
2005                                                        PORTENABLE_F));
2006        seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
2007                                                        TNLALLLOOKUP_F));
2008        seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
2009                                                        VIRTENABLE_F));
2010        seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
2011                                                        CONGESTIONENABLE_F));
2012        seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
2013                                                        HASHTOEPLITZ_F));
2014        seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
2015        seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
2016
2017        seq_puts(seq, "\n");
2018
2019        rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
2020        seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
2021        seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2022        seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
2023        if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
2024                seq_printf(seq, "  HashAll:     %3s\n",
2025                           yesno(rssconf & HASHALL_F));
2026                seq_printf(seq, "  HashEth:     %3s\n",
2027                           yesno(rssconf & HASHETH_F));
2028        }
2029        seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
2030
2031        seq_puts(seq, "\n");
2032
2033        rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
2034        seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
2035        seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2036        seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
2037                                                        RRCPLMAPEN_F));
2038        seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
2039
2040        seq_puts(seq, "\n");
2041
2042        rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
2043        seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
2044        seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2045        seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
2046
2047        seq_puts(seq, "\n");
2048
2049        rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
2050        seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
2051        if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
2052                seq_printf(seq, "  KeyWrAddrX:     %3d\n",
2053                           KEYWRADDRX_G(rssconf));
2054                seq_printf(seq, "  KeyExtend:      %3s\n",
2055                           yesno(rssconf & KEYEXTEND_F));
2056        }
2057        seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
2058        seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
2059        seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
2060        seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
2061        seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
2062                                                        DISABLEVLAN_F));
2063        seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
2064        seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
2065        if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
2066                seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
2067        else
2068                seq_printf(seq, "  VfWrAddr:      %3d\n",
2069                           T6_VFWRADDR_G(rssconf));
2070        seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
2071        seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
2072        seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
2073        seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
2074
2075        seq_puts(seq, "\n");
2076
2077        rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
2078        seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
2079        seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
2080        seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
2081        seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
2082        seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
2083        seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
2084                                                        CHNUNDFLOW3_F));
2085        seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
2086                                                        CHNUNDFLOW2_F));
2087        seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
2088                                                        CHNUNDFLOW1_F));
2089        seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
2090                                                        CHNUNDFLOW0_F));
2091        seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
2092        seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
2093        seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
2094        seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
2095        seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
2096        seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
2097        seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
2098        seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
2099        seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
2100        seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
2101        seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
2102
2103        return 0;
2104}
2105
2106DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
2107
2108/* RSS Secret Key.
2109 */
2110
2111static int rss_key_show(struct seq_file *seq, void *v)
2112{
2113        u32 key[10];
2114
2115        t4_read_rss_key(seq->private, key);
2116        seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
2117                   key[9], key[8], key[7], key[6], key[5], key[4], key[3],
2118                   key[2], key[1], key[0]);
2119        return 0;
2120}
2121
2122static int rss_key_open(struct inode *inode, struct file *file)
2123{
2124        return single_open(file, rss_key_show, inode->i_private);
2125}
2126
2127static ssize_t rss_key_write(struct file *file, const char __user *buf,
2128                             size_t count, loff_t *pos)
2129{
2130        int i, j;
2131        u32 key[10];
2132        char s[100], *p;
2133        struct adapter *adap = file_inode(file)->i_private;
2134
2135        if (count > sizeof(s) - 1)
2136                return -EINVAL;
2137        if (copy_from_user(s, buf, count))
2138                return -EFAULT;
2139        for (i = count; i > 0 && isspace(s[i - 1]); i--)
2140                ;
2141        s[i] = '\0';
2142
2143        for (p = s, i = 9; i >= 0; i--) {
2144                key[i] = 0;
2145                for (j = 0; j < 8; j++, p++) {
2146                        if (!isxdigit(*p))
2147                                return -EINVAL;
2148                        key[i] = (key[i] << 4) | hex2val(*p);
2149                }
2150        }
2151
2152        t4_write_rss_key(adap, key, -1);
2153        return count;
2154}
2155
2156static const struct file_operations rss_key_debugfs_fops = {
2157        .owner   = THIS_MODULE,
2158        .open    = rss_key_open,
2159        .read    = seq_read,
2160        .llseek  = seq_lseek,
2161        .release = single_release,
2162        .write   = rss_key_write
2163};
2164
2165/* PF RSS Configuration.
2166 */
2167
2168struct rss_pf_conf {
2169        u32 rss_pf_map;
2170        u32 rss_pf_mask;
2171        u32 rss_pf_config;
2172};
2173
2174static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
2175{
2176        struct rss_pf_conf *pfconf;
2177
2178        if (v == SEQ_START_TOKEN) {
2179                /* use the 0th entry to dump the PF Map Index Size */
2180                pfconf = seq->private + offsetof(struct seq_tab, data);
2181                seq_printf(seq, "PF Map Index Size = %d\n\n",
2182                           LKPIDXSIZE_G(pfconf->rss_pf_map));
2183
2184                seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
2185                seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
2186                seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
2187        } else {
2188                #define G_PFnLKPIDX(map, n) \
2189                        (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
2190                #define G_PFnMSKSIZE(mask, n) \
2191                        (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
2192
2193                pfconf = v;
2194                seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
2195                           idx,
2196                           yesno(pfconf->rss_pf_config & MAPENABLE_F),
2197                           yesno(pfconf->rss_pf_config & CHNENABLE_F),
2198                           yesno(pfconf->rss_pf_config & PRTENABLE_F),
2199                           G_PFnLKPIDX(pfconf->rss_pf_map, idx),
2200                           G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
2201                           IVFWIDTH_G(pfconf->rss_pf_config),
2202                           yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
2203                           yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
2204                           yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
2205                           yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
2206                           yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
2207                           CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
2208                           CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
2209
2210                #undef G_PFnLKPIDX
2211                #undef G_PFnMSKSIZE
2212        }
2213        return 0;
2214}
2215
2216static int rss_pf_config_open(struct inode *inode, struct file *file)
2217{
2218        struct adapter *adapter = inode->i_private;
2219        struct seq_tab *p;
2220        u32 rss_pf_map, rss_pf_mask;
2221        struct rss_pf_conf *pfconf;
2222        int pf;
2223
2224        p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
2225        if (!p)
2226                return -ENOMEM;
2227
2228        pfconf = (struct rss_pf_conf *)p->data;
2229        rss_pf_map = t4_read_rss_pf_map(adapter);
2230        rss_pf_mask = t4_read_rss_pf_mask(adapter);
2231        for (pf = 0; pf < 8; pf++) {
2232                pfconf[pf].rss_pf_map = rss_pf_map;
2233                pfconf[pf].rss_pf_mask = rss_pf_mask;
2234                t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
2235        }
2236        return 0;
2237}
2238
2239static const struct file_operations rss_pf_config_debugfs_fops = {
2240        .owner   = THIS_MODULE,
2241        .open    = rss_pf_config_open,
2242        .read    = seq_read,
2243        .llseek  = seq_lseek,
2244        .release = seq_release_private
2245};
2246
2247/* VF RSS Configuration.
2248 */
2249
2250struct rss_vf_conf {
2251        u32 rss_vf_vfl;
2252        u32 rss_vf_vfh;
2253};
2254
2255static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
2256{
2257        if (v == SEQ_START_TOKEN) {
2258                seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
2259                seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
2260                seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
2261        } else {
2262                struct rss_vf_conf *vfconf = v;
2263
2264                seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
2265                           idx,
2266                           yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
2267                           yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
2268                           VFLKPIDX_G(vfconf->rss_vf_vfh),
2269                           yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
2270                           yesno(vfconf->rss_vf_vfh & VFUPEN_F),
2271                           yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2272                           yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
2273                           yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2274                           yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
2275                           yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
2276                           DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
2277                           KEYINDEX_G(vfconf->rss_vf_vfh),
2278                           vfconf->rss_vf_vfl);
2279        }
2280        return 0;
2281}
2282
2283static int rss_vf_config_open(struct inode *inode, struct file *file)
2284{
2285        struct adapter *adapter = inode->i_private;
2286        struct seq_tab *p;
2287        struct rss_vf_conf *vfconf;
2288        int vf, vfcount = adapter->params.arch.vfcount;
2289
2290        p = seq_open_tab(file, vfcount, sizeof(*vfconf), 1, rss_vf_config_show);
2291        if (!p)
2292                return -ENOMEM;
2293
2294        vfconf = (struct rss_vf_conf *)p->data;
2295        for (vf = 0; vf < vfcount; vf++) {
2296                t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
2297                                      &vfconf[vf].rss_vf_vfh);
2298        }
2299        return 0;
2300}
2301
2302static const struct file_operations rss_vf_config_debugfs_fops = {
2303        .owner   = THIS_MODULE,
2304        .open    = rss_vf_config_open,
2305        .read    = seq_read,
2306        .llseek  = seq_lseek,
2307        .release = seq_release_private
2308};
2309
2310/**
2311 * ethqset2pinfo - return port_info of an Ethernet Queue Set
2312 * @adap: the adapter
2313 * @qset: Ethernet Queue Set
2314 */
2315static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
2316{
2317        int pidx;
2318
2319        for_each_port(adap, pidx) {
2320                struct port_info *pi = adap2pinfo(adap, pidx);
2321
2322                if (qset >= pi->first_qset &&
2323                    qset < pi->first_qset + pi->nqsets)
2324                        return pi;
2325        }
2326
2327        /* should never happen! */
2328        BUG_ON(1);
2329        return NULL;
2330}
2331
2332static int sge_qinfo_show(struct seq_file *seq, void *v)
2333{
2334        struct adapter *adap = seq->private;
2335        int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
2336        int iscsi_entries = DIV_ROUND_UP(adap->sge.iscsiqsets, 4);
2337        int iscsit_entries = DIV_ROUND_UP(adap->sge.niscsitq, 4);
2338        int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
2339        int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
2340        int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
2341        int i, r = (uintptr_t)v - 1;
2342        int iscsi_idx = r - eth_entries;
2343        int iscsit_idx = iscsi_idx - iscsi_entries;
2344        int rdma_idx = iscsit_idx - iscsit_entries;
2345        int ciq_idx = rdma_idx - rdma_entries;
2346        int ctrl_idx =  ciq_idx - ciq_entries;
2347        int fq_idx =  ctrl_idx - ctrl_entries;
2348
2349        if (r)
2350                seq_putc(seq, '\n');
2351
2352#define S3(fmt_spec, s, v) \
2353do { \
2354        seq_printf(seq, "%-12s", s); \
2355        for (i = 0; i < n; ++i) \
2356                seq_printf(seq, " %16" fmt_spec, v); \
2357                seq_putc(seq, '\n'); \
2358} while (0)
2359#define S(s, v) S3("s", s, v)
2360#define T3(fmt_spec, s, v) S3(fmt_spec, s, tx[i].v)
2361#define T(s, v) S3("u", s, tx[i].v)
2362#define TL(s, v) T3("lu", s, v)
2363#define R3(fmt_spec, s, v) S3(fmt_spec, s, rx[i].v)
2364#define R(s, v) S3("u", s, rx[i].v)
2365#define RL(s, v) R3("lu", s, v)
2366
2367        if (r < eth_entries) {
2368                int base_qset = r * 4;
2369                const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
2370                const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
2371                int n = min(4, adap->sge.ethqsets - 4 * r);
2372
2373                S("QType:", "Ethernet");
2374                S("Interface:",
2375                  rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2376                T("TxQ ID:", q.cntxt_id);
2377                T("TxQ size:", q.size);
2378                T("TxQ inuse:", q.in_use);
2379                T("TxQ CIDX:", q.cidx);
2380                T("TxQ PIDX:", q.pidx);
2381#ifdef CONFIG_CHELSIO_T4_DCB
2382                T("DCB Prio:", dcb_prio);
2383                S3("u", "DCB PGID:",
2384                   (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
2385                    4*(7-tx[i].dcb_prio)) & 0xf);
2386                S3("u", "DCB PFC:",
2387                   (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
2388                    1*(7-tx[i].dcb_prio)) & 0x1);
2389#endif
2390                R("RspQ ID:", rspq.abs_id);
2391                R("RspQ size:", rspq.size);
2392                R("RspQE size:", rspq.iqe_len);
2393                R("RspQ CIDX:", rspq.cidx);
2394                R("RspQ Gen:", rspq.gen);
2395                S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2396                S3("u", "Intr pktcnt:",
2397                   adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2398                R("FL ID:", fl.cntxt_id);
2399                R("FL size:", fl.size - 8);
2400                R("FL pend:", fl.pend_cred);
2401                R("FL avail:", fl.avail);
2402                R("FL PIDX:", fl.pidx);
2403                R("FL CIDX:", fl.cidx);
2404                RL("RxPackets:", stats.pkts);
2405                RL("RxCSO:", stats.rx_cso);
2406                RL("VLANxtract:", stats.vlan_ex);
2407                RL("LROmerged:", stats.lro_merged);
2408                RL("LROpackets:", stats.lro_pkts);
2409                RL("RxDrops:", stats.rx_drops);
2410                TL("TSO:", tso);
2411                TL("TxCSO:", tx_cso);
2412                TL("VLANins:", vlan_ins);
2413                TL("TxQFull:", q.stops);
2414                TL("TxQRestarts:", q.restarts);
2415                TL("TxMapErr:", mapping_err);
2416                RL("FLAllocErr:", fl.alloc_failed);
2417                RL("FLLrgAlcErr:", fl.large_alloc_failed);
2418                RL("FLMapErr:", fl.mapping_err);
2419                RL("FLLow:", fl.low);
2420                RL("FLStarving:", fl.starving);
2421
2422        } else if (iscsi_idx < iscsi_entries) {
2423                const struct sge_ofld_rxq *rx =
2424                        &adap->sge.iscsirxq[iscsi_idx * 4];
2425                const struct sge_ofld_txq *tx =
2426                        &adap->sge.ofldtxq[iscsi_idx * 4];
2427                int n = min(4, adap->sge.iscsiqsets - 4 * iscsi_idx);
2428
2429                S("QType:", "iSCSI");
2430                T("TxQ ID:", q.cntxt_id);
2431                T("TxQ size:", q.size);
2432                T("TxQ inuse:", q.in_use);
2433                T("TxQ CIDX:", q.cidx);
2434                T("TxQ PIDX:", q.pidx);
2435                R("RspQ ID:", rspq.abs_id);
2436                R("RspQ size:", rspq.size);
2437                R("RspQE size:", rspq.iqe_len);
2438                R("RspQ CIDX:", rspq.cidx);
2439                R("RspQ Gen:", rspq.gen);
2440                S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2441                S3("u", "Intr pktcnt:",
2442                   adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2443                R("FL ID:", fl.cntxt_id);
2444                R("FL size:", fl.size - 8);
2445                R("FL pend:", fl.pend_cred);
2446                R("FL avail:", fl.avail);
2447                R("FL PIDX:", fl.pidx);
2448                R("FL CIDX:", fl.cidx);
2449                RL("RxPackets:", stats.pkts);
2450                RL("RxImmPkts:", stats.imm);
2451                RL("RxNoMem:", stats.nomem);
2452                RL("FLAllocErr:", fl.alloc_failed);
2453                RL("FLLrgAlcErr:", fl.large_alloc_failed);
2454                RL("FLMapErr:", fl.mapping_err);
2455                RL("FLLow:", fl.low);
2456                RL("FLStarving:", fl.starving);
2457
2458        } else if (iscsit_idx < iscsit_entries) {
2459                const struct sge_ofld_rxq *rx =
2460                        &adap->sge.iscsitrxq[iscsit_idx * 4];
2461                int n = min(4, adap->sge.niscsitq - 4 * iscsit_idx);
2462
2463                S("QType:", "iSCSIT");
2464                R("RspQ ID:", rspq.abs_id);
2465                R("RspQ size:", rspq.size);
2466                R("RspQE size:", rspq.iqe_len);
2467                R("RspQ CIDX:", rspq.cidx);
2468                R("RspQ Gen:", rspq.gen);
2469                S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2470                S3("u", "Intr pktcnt:",
2471                   adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2472                R("FL ID:", fl.cntxt_id);
2473                R("FL size:", fl.size - 8);
2474                R("FL pend:", fl.pend_cred);
2475                R("FL avail:", fl.avail);
2476                R("FL PIDX:", fl.pidx);
2477                R("FL CIDX:", fl.cidx);
2478                RL("RxPackets:", stats.pkts);
2479                RL("RxImmPkts:", stats.imm);
2480                RL("RxNoMem:", stats.nomem);
2481                RL("FLAllocErr:", fl.alloc_failed);
2482                RL("FLLrgAlcErr:", fl.large_alloc_failed);
2483                RL("FLMapErr:", fl.mapping_err);
2484                RL("FLLow:", fl.low);
2485                RL("FLStarving:", fl.starving);
2486
2487        } else if (rdma_idx < rdma_entries) {
2488                const struct sge_ofld_rxq *rx =
2489                                &adap->sge.rdmarxq[rdma_idx * 4];
2490                int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
2491
2492                S("QType:", "RDMA-CPL");
2493                S("Interface:",
2494                  rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2495                R("RspQ ID:", rspq.abs_id);
2496                R("RspQ size:", rspq.size);
2497                R("RspQE size:", rspq.iqe_len);
2498                R("RspQ CIDX:", rspq.cidx);
2499                R("RspQ Gen:", rspq.gen);
2500                S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2501                S3("u", "Intr pktcnt:",
2502                   adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2503                R("FL ID:", fl.cntxt_id);
2504                R("FL size:", fl.size - 8);
2505                R("FL pend:", fl.pend_cred);
2506                R("FL avail:", fl.avail);
2507                R("FL PIDX:", fl.pidx);
2508                R("FL CIDX:", fl.cidx);
2509                RL("RxPackets:", stats.pkts);
2510                RL("RxImmPkts:", stats.imm);
2511                RL("RxNoMem:", stats.nomem);
2512                RL("FLAllocErr:", fl.alloc_failed);
2513                RL("FLLrgAlcErr:", fl.large_alloc_failed);
2514                RL("FLMapErr:", fl.mapping_err);
2515                RL("FLLow:", fl.low);
2516                RL("FLStarving:", fl.starving);
2517
2518        } else if (ciq_idx < ciq_entries) {
2519                const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
2520                int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
2521
2522                S("QType:", "RDMA-CIQ");
2523                S("Interface:",
2524                  rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2525                R("RspQ ID:", rspq.abs_id);
2526                R("RspQ size:", rspq.size);
2527                R("RspQE size:", rspq.iqe_len);
2528                R("RspQ CIDX:", rspq.cidx);
2529                R("RspQ Gen:", rspq.gen);
2530                S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2531                S3("u", "Intr pktcnt:",
2532                   adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
2533                RL("RxAN:", stats.an);
2534                RL("RxNoMem:", stats.nomem);
2535
2536        } else if (ctrl_idx < ctrl_entries) {
2537                const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
2538                int n = min(4, adap->params.nports - 4 * ctrl_idx);
2539
2540                S("QType:", "Control");
2541                T("TxQ ID:", q.cntxt_id);
2542                T("TxQ size:", q.size);
2543                T("TxQ inuse:", q.in_use);
2544                T("TxQ CIDX:", q.cidx);
2545                T("TxQ PIDX:", q.pidx);
2546                TL("TxQFull:", q.stops);
2547                TL("TxQRestarts:", q.restarts);
2548        } else if (fq_idx == 0) {
2549                const struct sge_rspq *evtq = &adap->sge.fw_evtq;
2550
2551                seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
2552                seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
2553                seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
2554                seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
2555                seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
2556                seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
2557                seq_printf(seq, "%-12s %16u\n", "Intr delay:",
2558                           qtimer_val(adap, evtq));
2559                seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
2560                           adap->sge.counter_val[evtq->pktcnt_idx]);
2561        }
2562#undef R
2563#undef RL
2564#undef T
2565#undef TL
2566#undef S
2567#undef R3
2568#undef T3
2569#undef S3
2570        return 0;
2571}
2572
2573static int sge_queue_entries(const struct adapter *adap)
2574{
2575        return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
2576               DIV_ROUND_UP(adap->sge.iscsiqsets, 4) +
2577               DIV_ROUND_UP(adap->sge.niscsitq, 4) +
2578               DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
2579               DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
2580               DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
2581}
2582
2583static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
2584{
2585        int entries = sge_queue_entries(seq->private);
2586
2587        return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2588}
2589
2590static void sge_queue_stop(struct seq_file *seq, void *v)
2591{
2592}
2593
2594static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
2595{
2596        int entries = sge_queue_entries(seq->private);
2597
2598        ++*pos;
2599        return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
2600}
2601
2602static const struct seq_operations sge_qinfo_seq_ops = {
2603        .start = sge_queue_start,
2604        .next  = sge_queue_next,
2605        .stop  = sge_queue_stop,
2606        .show  = sge_qinfo_show
2607};
2608
2609static int sge_qinfo_open(struct inode *inode, struct file *file)
2610{
2611        int res = seq_open(file, &sge_qinfo_seq_ops);
2612
2613        if (!res) {
2614                struct seq_file *seq = file->private_data;
2615
2616                seq->private = inode->i_private;
2617        }
2618        return res;
2619}
2620
2621static const struct file_operations sge_qinfo_debugfs_fops = {
2622        .owner   = THIS_MODULE,
2623        .open    = sge_qinfo_open,
2624        .read    = seq_read,
2625        .llseek  = seq_lseek,
2626        .release = seq_release,
2627};
2628
2629int mem_open(struct inode *inode, struct file *file)
2630{
2631        unsigned int mem;
2632        struct adapter *adap;
2633
2634        file->private_data = inode->i_private;
2635
2636        mem = (uintptr_t)file->private_data & 0x3;
2637        adap = file->private_data - mem;
2638
2639        (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
2640
2641        return 0;
2642}
2643
2644static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
2645                        loff_t *ppos)
2646{
2647        loff_t pos = *ppos;
2648        loff_t avail = file_inode(file)->i_size;
2649        unsigned int mem = (uintptr_t)file->private_data & 3;
2650        struct adapter *adap = file->private_data - mem;
2651        __be32 *data;
2652        int ret;
2653
2654        if (pos < 0)
2655                return -EINVAL;
2656        if (pos >= avail)
2657                return 0;
2658        if (count > avail - pos)
2659                count = avail - pos;
2660
2661        data = t4_alloc_mem(count);
2662        if (!data)
2663                return -ENOMEM;
2664
2665        spin_lock(&adap->win0_lock);
2666        ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
2667        spin_unlock(&adap->win0_lock);
2668        if (ret) {
2669                t4_free_mem(data);
2670                return ret;
2671        }
2672        ret = copy_to_user(buf, data, count);
2673
2674        t4_free_mem(data);
2675        if (ret)
2676                return -EFAULT;
2677
2678        *ppos = pos + count;
2679        return count;
2680}
2681static const struct file_operations mem_debugfs_fops = {
2682        .owner   = THIS_MODULE,
2683        .open    = simple_open,
2684        .read    = mem_read,
2685        .llseek  = default_llseek,
2686};
2687
2688static int tid_info_show(struct seq_file *seq, void *v)
2689{
2690        struct adapter *adap = seq->private;
2691        const struct tid_info *t = &adap->tids;
2692        enum chip_type chip = CHELSIO_CHIP_VERSION(adap->params.chip);
2693
2694        if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
2695                unsigned int sb;
2696
2697                if (chip <= CHELSIO_T5)
2698                        sb = t4_read_reg(adap, LE_DB_SERVER_INDEX_A) / 4;
2699                else
2700                        sb = t4_read_reg(adap, LE_DB_SRVR_START_INDEX_A);
2701
2702                if (sb) {
2703                        seq_printf(seq, "TID range: 0..%u/%u..%u", sb - 1,
2704                                   adap->tids.hash_base,
2705                                   t->ntids - 1);
2706                        seq_printf(seq, ", in use: %u/%u\n",
2707                                   atomic_read(&t->tids_in_use),
2708                                   atomic_read(&t->hash_tids_in_use));
2709                } else if (adap->flags & FW_OFLD_CONN) {
2710                        seq_printf(seq, "TID range: %u..%u/%u..%u",
2711                                   t->aftid_base,
2712                                   t->aftid_end,
2713                                   adap->tids.hash_base,
2714                                   t->ntids - 1);
2715                        seq_printf(seq, ", in use: %u/%u\n",
2716                                   atomic_read(&t->tids_in_use),
2717                                   atomic_read(&t->hash_tids_in_use));
2718                } else {
2719                        seq_printf(seq, "TID range: %u..%u",
2720                                   adap->tids.hash_base,
2721                                   t->ntids - 1);
2722                        seq_printf(seq, ", in use: %u\n",
2723                                   atomic_read(&t->hash_tids_in_use));
2724                }
2725        } else if (t->ntids) {
2726                seq_printf(seq, "TID range: 0..%u", t->ntids - 1);
2727                seq_printf(seq, ", in use: %u\n",
2728                           atomic_read(&t->tids_in_use));
2729        }
2730
2731        if (t->nstids)
2732                seq_printf(seq, "STID range: %u..%u, in use: %u\n",
2733                           (!t->stid_base &&
2734                           (chip <= CHELSIO_T5)) ?
2735                           t->stid_base + 1 : t->stid_base,
2736                           t->stid_base + t->nstids - 1, t->stids_in_use);
2737        if (t->natids)
2738                seq_printf(seq, "ATID range: 0..%u, in use: %u\n",
2739                           t->natids - 1, t->atids_in_use);
2740        seq_printf(seq, "FTID range: %u..%u\n", t->ftid_base,
2741                   t->ftid_base + t->nftids - 1);
2742        if (t->nsftids)
2743                seq_printf(seq, "SFTID range: %u..%u in use: %u\n",
2744                           t->sftid_base, t->sftid_base + t->nsftids - 2,
2745                           t->sftids_in_use);
2746        if (t->ntids)
2747                seq_printf(seq, "HW TID usage: %u IP users, %u IPv6 users\n",
2748                           t4_read_reg(adap, LE_DB_ACT_CNT_IPV4_A),
2749                           t4_read_reg(adap, LE_DB_ACT_CNT_IPV6_A));
2750        return 0;
2751}
2752
2753DEFINE_SIMPLE_DEBUGFS_FILE(tid_info);
2754
2755static void add_debugfs_mem(struct adapter *adap, const char *name,
2756                            unsigned int idx, unsigned int size_mb)
2757{
2758        debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
2759                                 (void *)adap + idx, &mem_debugfs_fops,
2760                                 size_mb << 20);
2761}
2762
2763static int blocked_fl_open(struct inode *inode, struct file *file)
2764{
2765        file->private_data = inode->i_private;
2766        return 0;
2767}
2768
2769static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf,
2770                               size_t count, loff_t *ppos)
2771{
2772        int len;
2773        const struct adapter *adap = filp->private_data;
2774        char *buf;
2775        ssize_t size = (adap->sge.egr_sz + 3) / 4 +
2776                        adap->sge.egr_sz / 32 + 2; /* includes ,/\n/\0 */
2777
2778        buf = kzalloc(size, GFP_KERNEL);
2779        if (!buf)
2780                return -ENOMEM;
2781
2782        len = snprintf(buf, size - 1, "%*pb\n",
2783                       adap->sge.egr_sz, adap->sge.blocked_fl);
2784        len += sprintf(buf + len, "\n");
2785        size = simple_read_from_buffer(ubuf, count, ppos, buf, len);
2786        t4_free_mem(buf);
2787        return size;
2788}
2789
2790static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf,
2791                                size_t count, loff_t *ppos)
2792{
2793        int err;
2794        unsigned long *t;
2795        struct adapter *adap = filp->private_data;
2796
2797        t = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), sizeof(long), GFP_KERNEL);
2798        if (!t)
2799                return -ENOMEM;
2800
2801        err = bitmap_parse_user(ubuf, count, t, adap->sge.egr_sz);
2802        if (err)
2803                return err;
2804
2805        bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz);
2806        t4_free_mem(t);
2807        return count;
2808}
2809
2810static const struct file_operations blocked_fl_fops = {
2811        .owner   = THIS_MODULE,
2812        .open    = blocked_fl_open,
2813        .read    = blocked_fl_read,
2814        .write   = blocked_fl_write,
2815        .llseek  = generic_file_llseek,
2816};
2817
2818struct mem_desc {
2819        unsigned int base;
2820        unsigned int limit;
2821        unsigned int idx;
2822};
2823
2824static int mem_desc_cmp(const void *a, const void *b)
2825{
2826        return ((const struct mem_desc *)a)->base -
2827               ((const struct mem_desc *)b)->base;
2828}
2829
2830static void mem_region_show(struct seq_file *seq, const char *name,
2831                            unsigned int from, unsigned int to)
2832{
2833        char buf[40];
2834
2835        string_get_size((u64)to - from + 1, 1, STRING_UNITS_2, buf,
2836                        sizeof(buf));
2837        seq_printf(seq, "%-15s %#x-%#x [%s]\n", name, from, to, buf);
2838}
2839
2840static int meminfo_show(struct seq_file *seq, void *v)
2841{
2842        static const char * const memory[] = { "EDC0:", "EDC1:", "MC:",
2843                                        "MC0:", "MC1:"};
2844        static const char * const region[] = {
2845                "DBQ contexts:", "IMSG contexts:", "FLM cache:", "TCBs:",
2846                "Pstructs:", "Timers:", "Rx FL:", "Tx FL:", "Pstruct FL:",
2847                "Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:",
2848                "TDDP region:", "TPT region:", "STAG region:", "RQ region:",
2849                "RQUDP region:", "PBL region:", "TXPBL region:",
2850                "DBVFIFO region:", "ULPRX state:", "ULPTX state:",
2851                "On-chip queues:"
2852        };
2853
2854        int i, n;
2855        u32 lo, hi, used, alloc;
2856        struct mem_desc avail[4];
2857        struct mem_desc mem[ARRAY_SIZE(region) + 3];      /* up to 3 holes */
2858        struct mem_desc *md = mem;
2859        struct adapter *adap = seq->private;
2860
2861        for (i = 0; i < ARRAY_SIZE(mem); i++) {
2862                mem[i].limit = 0;
2863                mem[i].idx = i;
2864        }
2865
2866        /* Find and sort the populated memory ranges */
2867        i = 0;
2868        lo = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2869        if (lo & EDRAM0_ENABLE_F) {
2870                hi = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2871                avail[i].base = EDRAM0_BASE_G(hi) << 20;
2872                avail[i].limit = avail[i].base + (EDRAM0_SIZE_G(hi) << 20);
2873                avail[i].idx = 0;
2874                i++;
2875        }
2876        if (lo & EDRAM1_ENABLE_F) {
2877                hi = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2878                avail[i].base = EDRAM1_BASE_G(hi) << 20;
2879                avail[i].limit = avail[i].base + (EDRAM1_SIZE_G(hi) << 20);
2880                avail[i].idx = 1;
2881                i++;
2882        }
2883
2884        if (is_t5(adap->params.chip)) {
2885                if (lo & EXT_MEM0_ENABLE_F) {
2886                        hi = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
2887                        avail[i].base = EXT_MEM0_BASE_G(hi) << 20;
2888                        avail[i].limit =
2889                                avail[i].base + (EXT_MEM0_SIZE_G(hi) << 20);
2890                        avail[i].idx = 3;
2891                        i++;
2892                }
2893                if (lo & EXT_MEM1_ENABLE_F) {
2894                        hi = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
2895                        avail[i].base = EXT_MEM1_BASE_G(hi) << 20;
2896                        avail[i].limit =
2897                                avail[i].base + (EXT_MEM1_SIZE_G(hi) << 20);
2898                        avail[i].idx = 4;
2899                        i++;
2900                }
2901        } else {
2902                if (lo & EXT_MEM_ENABLE_F) {
2903                        hi = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2904                        avail[i].base = EXT_MEM_BASE_G(hi) << 20;
2905                        avail[i].limit =
2906                                avail[i].base + (EXT_MEM_SIZE_G(hi) << 20);
2907                        avail[i].idx = 2;
2908                        i++;
2909                }
2910        }
2911        if (!i)                                    /* no memory available */
2912                return 0;
2913        sort(avail, i, sizeof(struct mem_desc), mem_desc_cmp, NULL);
2914
2915        (md++)->base = t4_read_reg(adap, SGE_DBQ_CTXT_BADDR_A);
2916        (md++)->base = t4_read_reg(adap, SGE_IMSG_CTXT_BADDR_A);
2917        (md++)->base = t4_read_reg(adap, SGE_FLM_CACHE_BADDR_A);
2918        (md++)->base = t4_read_reg(adap, TP_CMM_TCB_BASE_A);
2919        (md++)->base = t4_read_reg(adap, TP_CMM_MM_BASE_A);
2920        (md++)->base = t4_read_reg(adap, TP_CMM_TIMER_BASE_A);
2921        (md++)->base = t4_read_reg(adap, TP_CMM_MM_RX_FLST_BASE_A);
2922        (md++)->base = t4_read_reg(adap, TP_CMM_MM_TX_FLST_BASE_A);
2923        (md++)->base = t4_read_reg(adap, TP_CMM_MM_PS_FLST_BASE_A);
2924
2925        /* the next few have explicit upper bounds */
2926        md->base = t4_read_reg(adap, TP_PMM_TX_BASE_A);
2927        md->limit = md->base - 1 +
2928                    t4_read_reg(adap, TP_PMM_TX_PAGE_SIZE_A) *
2929                    PMTXMAXPAGE_G(t4_read_reg(adap, TP_PMM_TX_MAX_PAGE_A));
2930        md++;
2931
2932        md->base = t4_read_reg(adap, TP_PMM_RX_BASE_A);
2933        md->limit = md->base - 1 +
2934                    t4_read_reg(adap, TP_PMM_RX_PAGE_SIZE_A) *
2935                    PMRXMAXPAGE_G(t4_read_reg(adap, TP_PMM_RX_MAX_PAGE_A));
2936        md++;
2937
2938        if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
2939                if (CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5) {
2940                        hi = t4_read_reg(adap, LE_DB_TID_HASHBASE_A) / 4;
2941                        md->base = t4_read_reg(adap, LE_DB_HASH_TID_BASE_A);
2942                 } else {
2943                        hi = t4_read_reg(adap, LE_DB_HASH_TID_BASE_A);
2944                        md->base = t4_read_reg(adap,
2945                                               LE_DB_HASH_TBL_BASE_ADDR_A);
2946                }
2947                md->limit = 0;
2948        } else {
2949                md->base = 0;
2950                md->idx = ARRAY_SIZE(region);  /* hide it */
2951        }
2952        md++;
2953
2954#define ulp_region(reg) do { \
2955        md->base = t4_read_reg(adap, ULP_ ## reg ## _LLIMIT_A);\
2956        (md++)->limit = t4_read_reg(adap, ULP_ ## reg ## _ULIMIT_A); \
2957} while (0)
2958
2959        ulp_region(RX_ISCSI);
2960        ulp_region(RX_TDDP);
2961        ulp_region(TX_TPT);
2962        ulp_region(RX_STAG);
2963        ulp_region(RX_RQ);
2964        ulp_region(RX_RQUDP);
2965        ulp_region(RX_PBL);
2966        ulp_region(TX_PBL);
2967#undef ulp_region
2968        md->base = 0;
2969        md->idx = ARRAY_SIZE(region);
2970        if (!is_t4(adap->params.chip)) {
2971                u32 size = 0;
2972                u32 sge_ctrl = t4_read_reg(adap, SGE_CONTROL2_A);
2973                u32 fifo_size = t4_read_reg(adap, SGE_DBVFIFO_SIZE_A);
2974
2975                if (is_t5(adap->params.chip)) {
2976                        if (sge_ctrl & VFIFO_ENABLE_F)
2977                                size = DBVFIFO_SIZE_G(fifo_size);
2978                } else {
2979                        size = T6_DBVFIFO_SIZE_G(fifo_size);
2980                }
2981
2982                if (size) {
2983                        md->base = BASEADDR_G(t4_read_reg(adap,
2984                                        SGE_DBVFIFO_BADDR_A));
2985                        md->limit = md->base + (size << 2) - 1;
2986                }
2987        }
2988
2989        md++;
2990
2991        md->base = t4_read_reg(adap, ULP_RX_CTX_BASE_A);
2992        md->limit = 0;
2993        md++;
2994        md->base = t4_read_reg(adap, ULP_TX_ERR_TABLE_BASE_A);
2995        md->limit = 0;
2996        md++;
2997
2998        md->base = adap->vres.ocq.start;
2999        if (adap->vres.ocq.size)
3000                md->limit = md->base + adap->vres.ocq.size - 1;
3001        else
3002                md->idx = ARRAY_SIZE(region);  /* hide it */
3003        md++;
3004
3005        /* add any address-space holes, there can be up to 3 */
3006        for (n = 0; n < i - 1; n++)
3007                if (avail[n].limit < avail[n + 1].base)
3008                        (md++)->base = avail[n].limit;
3009        if (avail[n].limit)
3010                (md++)->base = avail[n].limit;
3011
3012        n = md - mem;
3013        sort(mem, n, sizeof(struct mem_desc), mem_desc_cmp, NULL);
3014
3015        for (lo = 0; lo < i; lo++)
3016                mem_region_show(seq, memory[avail[lo].idx], avail[lo].base,
3017                                avail[lo].limit - 1);
3018
3019        seq_putc(seq, '\n');
3020        for (i = 0; i < n; i++) {
3021                if (mem[i].idx >= ARRAY_SIZE(region))
3022                        continue;                        /* skip holes */
3023                if (!mem[i].limit)
3024                        mem[i].limit = i < n - 1 ? mem[i + 1].base - 1 : ~0;
3025                mem_region_show(seq, region[mem[i].idx], mem[i].base,
3026                                mem[i].limit);
3027        }
3028
3029        seq_putc(seq, '\n');
3030        lo = t4_read_reg(adap, CIM_SDRAM_BASE_ADDR_A);
3031        hi = t4_read_reg(adap, CIM_SDRAM_ADDR_SIZE_A) + lo - 1;
3032        mem_region_show(seq, "uP RAM:", lo, hi);
3033
3034        lo = t4_read_reg(adap, CIM_EXTMEM2_BASE_ADDR_A);
3035        hi = t4_read_reg(adap, CIM_EXTMEM2_ADDR_SIZE_A) + lo - 1;
3036        mem_region_show(seq, "uP Extmem2:", lo, hi);
3037
3038        lo = t4_read_reg(adap, TP_PMM_RX_MAX_PAGE_A);
3039        seq_printf(seq, "\n%u Rx pages of size %uKiB for %u channels\n",
3040                   PMRXMAXPAGE_G(lo),
3041                   t4_read_reg(adap, TP_PMM_RX_PAGE_SIZE_A) >> 10,
3042                   (lo & PMRXNUMCHN_F) ? 2 : 1);
3043
3044        lo = t4_read_reg(adap, TP_PMM_TX_MAX_PAGE_A);
3045        hi = t4_read_reg(adap, TP_PMM_TX_PAGE_SIZE_A);
3046        seq_printf(seq, "%u Tx pages of size %u%ciB for %u channels\n",
3047                   PMTXMAXPAGE_G(lo),
3048                   hi >= (1 << 20) ? (hi >> 20) : (hi >> 10),
3049                   hi >= (1 << 20) ? 'M' : 'K', 1 << PMTXNUMCHN_G(lo));
3050        seq_printf(seq, "%u p-structs\n\n",
3051                   t4_read_reg(adap, TP_CMM_MM_MAX_PSTRUCT_A));
3052
3053        for (i = 0; i < 4; i++) {
3054                if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5)
3055                        lo = t4_read_reg(adap, MPS_RX_MAC_BG_PG_CNT0_A + i * 4);
3056                else
3057                        lo = t4_read_reg(adap, MPS_RX_PG_RSV0_A + i * 4);
3058                if (is_t5(adap->params.chip)) {
3059                        used = T5_USED_G(lo);
3060                        alloc = T5_ALLOC_G(lo);
3061                } else {
3062                        used = USED_G(lo);
3063                        alloc = ALLOC_G(lo);
3064                }
3065                /* For T6 these are MAC buffer groups */
3066                seq_printf(seq, "Port %d using %u pages out of %u allocated\n",
3067                           i, used, alloc);
3068        }
3069        for (i = 0; i < adap->params.arch.nchan; i++) {
3070                if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5)
3071                        lo = t4_read_reg(adap,
3072                                         MPS_RX_LPBK_BG_PG_CNT0_A + i * 4);
3073                else
3074                        lo = t4_read_reg(adap, MPS_RX_PG_RSV4_A + i * 4);
3075                if (is_t5(adap->params.chip)) {
3076                        used = T5_USED_G(lo);
3077                        alloc = T5_ALLOC_G(lo);
3078                } else {
3079                        used = USED_G(lo);
3080                        alloc = ALLOC_G(lo);
3081                }
3082                /* For T6 these are MAC buffer groups */
3083                seq_printf(seq,
3084                           "Loopback %d using %u pages out of %u allocated\n",
3085                           i, used, alloc);
3086        }
3087        return 0;
3088}
3089
3090static int meminfo_open(struct inode *inode, struct file *file)
3091{
3092        return single_open(file, meminfo_show, inode->i_private);
3093}
3094
3095static const struct file_operations meminfo_fops = {
3096        .owner   = THIS_MODULE,
3097        .open    = meminfo_open,
3098        .read    = seq_read,
3099        .llseek  = seq_lseek,
3100        .release = single_release,
3101};
3102/* Add an array of Debug FS files.
3103 */
3104void add_debugfs_files(struct adapter *adap,
3105                       struct t4_debugfs_entry *files,
3106                       unsigned int nfiles)
3107{
3108        int i;
3109
3110        /* debugfs support is best effort */
3111        for (i = 0; i < nfiles; i++)
3112                debugfs_create_file(files[i].name, files[i].mode,
3113                                    adap->debugfs_root,
3114                                    (void *)adap + files[i].data,
3115                                    files[i].ops);
3116}
3117
3118int t4_setup_debugfs(struct adapter *adap)
3119{
3120        int i;
3121        u32 size = 0;
3122        struct dentry *de;
3123
3124        static struct t4_debugfs_entry t4_debugfs_files[] = {
3125                { "cim_la", &cim_la_fops, S_IRUSR, 0 },
3126                { "cim_pif_la", &cim_pif_la_fops, S_IRUSR, 0 },
3127                { "cim_ma_la", &cim_ma_la_fops, S_IRUSR, 0 },
3128                { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
3129                { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
3130                { "devlog", &devlog_fops, S_IRUSR, 0 },
3131                { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
3132                { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
3133                { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
3134                { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
3135                { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
3136                { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
3137                { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
3138                { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
3139                { "trace0", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
3140                { "trace1", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
3141                { "trace2", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
3142                { "trace3", &mps_trc_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
3143                { "l2t", &t4_l2t_fops, S_IRUSR, 0},
3144                { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
3145                { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
3146                { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
3147                { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
3148                { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
3149                { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
3150                { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
3151                { "ibq_tp0",  &cim_ibq_fops, S_IRUSR, 0 },
3152                { "ibq_tp1",  &cim_ibq_fops, S_IRUSR, 1 },
3153                { "ibq_ulp",  &cim_ibq_fops, S_IRUSR, 2 },
3154                { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
3155                { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
3156                { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
3157                { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
3158                { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
3159                { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
3160                { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
3161                { "obq_sge",  &cim_obq_fops, S_IRUSR, 4 },
3162                { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
3163                { "tp_la", &tp_la_fops, S_IRUSR, 0 },
3164                { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
3165                { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
3166                { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
3167                { "tx_rate", &tx_rate_debugfs_fops, S_IRUSR, 0 },
3168                { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
3169#if IS_ENABLED(CONFIG_IPV6)
3170                { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
3171#endif
3172                { "tids", &tid_info_debugfs_fops, S_IRUSR, 0},
3173                { "blocked_fl", &blocked_fl_fops, S_IRUSR | S_IWUSR, 0 },
3174                { "meminfo", &meminfo_fops, S_IRUSR, 0 },
3175        };
3176
3177        /* Debug FS nodes common to all T5 and later adapters.
3178         */
3179        static struct t4_debugfs_entry t5_debugfs_files[] = {
3180                { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
3181                { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
3182        };
3183
3184        add_debugfs_files(adap,
3185                          t4_debugfs_files,
3186                          ARRAY_SIZE(t4_debugfs_files));
3187        if (!is_t4(adap->params.chip))
3188                add_debugfs_files(adap,
3189                                  t5_debugfs_files,
3190                                  ARRAY_SIZE(t5_debugfs_files));
3191
3192        i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
3193        if (i & EDRAM0_ENABLE_F) {
3194                size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
3195                add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
3196        }
3197        if (i & EDRAM1_ENABLE_F) {
3198                size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
3199                add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
3200        }
3201        if (is_t5(adap->params.chip)) {
3202                if (i & EXT_MEM0_ENABLE_F) {
3203                        size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
3204                        add_debugfs_mem(adap, "mc0", MEM_MC0,
3205                                        EXT_MEM0_SIZE_G(size));
3206                }
3207                if (i & EXT_MEM1_ENABLE_F) {
3208                        size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
3209                        add_debugfs_mem(adap, "mc1", MEM_MC1,
3210                                        EXT_MEM1_SIZE_G(size));
3211                }
3212        } else {
3213                if (i & EXT_MEM_ENABLE_F) {
3214                        size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
3215                        add_debugfs_mem(adap, "mc", MEM_MC,
3216                                        EXT_MEM_SIZE_G(size));
3217                }
3218        }
3219
3220        de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap,
3221                                      &flash_debugfs_fops, adap->params.sf_size);
3222        debugfs_create_bool("use_backdoor", S_IWUSR | S_IRUSR,
3223                            adap->debugfs_root, &adap->use_bd);
3224        debugfs_create_bool("trace_rss", S_IWUSR | S_IRUSR,
3225                            adap->debugfs_root, &adap->trace_rss);
3226
3227        return 0;
3228}
3229