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

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. seq_tab_get_idx
  2. seq_tab_start
  3. seq_tab_next
  4. seq_tab_stop
  5. seq_tab_show
  6. seq_open_tab
  7. seq_tab_trim
  8. cim_la_show
  9. cim_la_show_3in1
  10. cim_la_show_t6
  11. cim_la_show_pc_t6
  12. cim_la_open
  13. cim_pif_la_show
  14. cim_pif_la_open
  15. cim_ma_la_show
  16. cim_ma_la_open
  17. cim_qcfg_show
  18. cimq_show
  19. cim_ibq_open
  20. cim_obq_open
  21. field_desc_show
  22. tp_la_show
  23. tp_la_show2
  24. tp_la_show3
  25. tp_la_open
  26. tp_la_write
  27. ulprx_la_show
  28. ulprx_la_open
  29. pm_stats_show
  30. pm_stats_open
  31. pm_stats_clear
  32. tx_rate_show
  33. cctrl_tbl_show
  34. unit_conv
  35. clk_show
  36. devlog_show
  37. devlog_get_idx
  38. devlog_start
  39. devlog_next
  40. devlog_stop
  41. devlog_open
  42. mboxlog_show
  43. mboxlog_get_idx
  44. mboxlog_start
  45. mboxlog_next
  46. mboxlog_stop
  47. mboxlog_open
  48. mbox_show
  49. mbox_open
  50. mbox_write
  51. mps_trc_show
  52. mps_trc_open
  53. xdigit2int
  54. mps_trc_write
  55. flash_read
  56. tcamxy2valmask
  57. mps_tcam_show
  58. mps_tcam_get_idx
  59. mps_tcam_start
  60. mps_tcam_next
  61. mps_tcam_stop
  62. mps_tcam_open
  63. sensors_show
  64. rss_show
  65. rss_open
  66. yesno
  67. rss_config_show
  68. rss_key_show
  69. rss_key_open
  70. rss_key_write
  71. rss_pf_config_show
  72. rss_pf_config_open
  73. rss_vf_config_show
  74. rss_vf_config_open
  75. dcb_info_show
  76. dcb_info_get_idx
  77. dcb_info_start
  78. dcb_info_stop
  79. dcb_info_next
  80. dcb_info_open
  81. resources_show
  82. ethqset2pinfo
  83. sge_qinfo_uld_txq_entries
  84. sge_qinfo_uld_rspq_entries
  85. sge_qinfo_uld_rxq_entries
  86. sge_qinfo_uld_ciq_entries
  87. sge_qinfo_show
  88. sge_queue_entries
  89. sge_queue_start
  90. sge_queue_stop
  91. sge_queue_next
  92. sge_qinfo_open
  93. mem_open
  94. mem_read
  95. tid_info_show
  96. add_debugfs_mem
  97. blocked_fl_read
  98. blocked_fl_write
  99. mem_region_show
  100. meminfo_show
  101. chcr_stats_show
  102. show_tcp_stats
  103. show_ddp_stats
  104. show_rdma_stats
  105. show_tp_err_adapter_stats
  106. show_cpl_stats
  107. show_tp_err_channel_stats
  108. show_fcoe_stats
  109. tp_stats_show
  110. add_debugfs_files
  111. t4_setup_debugfs

   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 #include "cudbg_if.h"
  49 #include "cudbg_lib_common.h"
  50 #include "cudbg_entity.h"
  51 #include "cudbg_lib.h"
  52 
  53 /* generic seq_file support for showing a table of size rows x width. */
  54 static void *seq_tab_get_idx(struct seq_tab *tb, loff_t pos)
  55 {
  56         pos -= tb->skip_first;
  57         return pos >= tb->rows ? NULL : &tb->data[pos * tb->width];
  58 }
  59 
  60 static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
  61 {
  62         struct seq_tab *tb = seq->private;
  63 
  64         if (tb->skip_first && *pos == 0)
  65                 return SEQ_START_TOKEN;
  66 
  67         return seq_tab_get_idx(tb, *pos);
  68 }
  69 
  70 static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
  71 {
  72         v = seq_tab_get_idx(seq->private, *pos + 1);
  73         ++(*pos);
  74         return v;
  75 }
  76 
  77 static void seq_tab_stop(struct seq_file *seq, void *v)
  78 {
  79 }
  80 
  81 static int seq_tab_show(struct seq_file *seq, void *v)
  82 {
  83         const struct seq_tab *tb = seq->private;
  84 
  85         return tb->show(seq, v, ((char *)v - tb->data) / tb->width);
  86 }
  87 
  88 static const struct seq_operations seq_tab_ops = {
  89         .start = seq_tab_start,
  90         .next  = seq_tab_next,
  91         .stop  = seq_tab_stop,
  92         .show  = seq_tab_show
  93 };
  94 
  95 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
  96                              unsigned int width, unsigned int have_header,
  97                              int (*show)(struct seq_file *seq, void *v, int i))
  98 {
  99         struct seq_tab *p;
 100 
 101         p = __seq_open_private(f, &seq_tab_ops, sizeof(*p) + rows * width);
 102         if (p) {
 103                 p->show = show;
 104                 p->rows = rows;
 105                 p->width = width;
 106                 p->skip_first = have_header != 0;
 107         }
 108         return p;
 109 }
 110 
 111 /* Trim the size of a seq_tab to the supplied number of rows.  The operation is
 112  * irreversible.
 113  */
 114 static int seq_tab_trim(struct seq_tab *p, unsigned int new_rows)
 115 {
 116         if (new_rows > p->rows)
 117                 return -EINVAL;
 118         p->rows = new_rows;
 119         return 0;
 120 }
 121 
 122 static int cim_la_show(struct seq_file *seq, void *v, int idx)
 123 {
 124         if (v == SEQ_START_TOKEN)
 125                 seq_puts(seq, "Status   Data      PC     LS0Stat  LS0Addr "
 126                          "            LS0Data\n");
 127         else {
 128                 const u32 *p = v;
 129 
 130                 seq_printf(seq,
 131                            "  %02x  %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
 132                            (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
 133                            p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
 134                            p[6], p[7]);
 135         }
 136         return 0;
 137 }
 138 
 139 static int cim_la_show_3in1(struct seq_file *seq, void *v, int idx)
 140 {
 141         if (v == SEQ_START_TOKEN) {
 142                 seq_puts(seq, "Status   Data      PC\n");
 143         } else {
 144                 const u32 *p = v;
 145 
 146                 seq_printf(seq, "  %02x   %08x %08x\n", p[5] & 0xff, p[6],
 147                            p[7]);
 148                 seq_printf(seq, "  %02x   %02x%06x %02x%06x\n",
 149                            (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
 150                            p[4] & 0xff, p[5] >> 8);
 151                 seq_printf(seq, "  %02x   %x%07x %x%07x\n", (p[0] >> 4) & 0xff,
 152                            p[0] & 0xf, p[1] >> 4, p[1] & 0xf, p[2] >> 4);
 153         }
 154         return 0;
 155 }
 156 
 157 static int cim_la_show_t6(struct seq_file *seq, void *v, int idx)
 158 {
 159         if (v == SEQ_START_TOKEN) {
 160                 seq_puts(seq, "Status   Inst    Data      PC     LS0Stat  "
 161                          "LS0Addr  LS0Data  LS1Stat  LS1Addr  LS1Data\n");
 162         } else {
 163                 const u32 *p = v;
 164 
 165                 seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x %08x %08x %08x %08x %08x %08x\n",
 166                            (p[9] >> 16) & 0xff,       /* Status */
 167                            p[9] & 0xffff, p[8] >> 16, /* Inst */
 168                            p[8] & 0xffff, p[7] >> 16, /* Data */
 169                            p[7] & 0xffff, p[6] >> 16, /* PC */
 170                            p[2], p[1], p[0],      /* LS0 Stat, Addr and Data */
 171                            p[5], p[4], p[3]);     /* LS1 Stat, Addr and Data */
 172         }
 173         return 0;
 174 }
 175 
 176 static int cim_la_show_pc_t6(struct seq_file *seq, void *v, int idx)
 177 {
 178         if (v == SEQ_START_TOKEN) {
 179                 seq_puts(seq, "Status   Inst    Data      PC\n");
 180         } else {
 181                 const u32 *p = v;
 182 
 183                 seq_printf(seq, "  %02x   %08x %08x %08x\n",
 184                            p[3] & 0xff, p[2], p[1], p[0]);
 185                 seq_printf(seq, "  %02x   %02x%06x %02x%06x %02x%06x\n",
 186                            (p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8,
 187                            p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8);
 188                 seq_printf(seq, "  %02x   %04x%04x %04x%04x %04x%04x\n",
 189                            (p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16,
 190                            p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff,
 191                            p[6] >> 16);
 192         }
 193         return 0;
 194 }
 195 
 196 static int cim_la_open(struct inode *inode, struct file *file)
 197 {
 198         int ret;
 199         unsigned int cfg;
 200         struct seq_tab *p;
 201         struct adapter *adap = inode->i_private;
 202 
 203         ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
 204         if (ret)
 205                 return ret;
 206 
 207         if (is_t6(adap->params.chip)) {
 208                 /* +1 to account for integer division of CIMLA_SIZE/10 */
 209                 p = seq_open_tab(file, (adap->params.cim_la_size / 10) + 1,
 210                                  10 * sizeof(u32), 1,
 211                                  cfg & UPDBGLACAPTPCONLY_F ?
 212                                         cim_la_show_pc_t6 : cim_la_show_t6);
 213         } else {
 214                 p = seq_open_tab(file, adap->params.cim_la_size / 8,
 215                                  8 * sizeof(u32), 1,
 216                                  cfg & UPDBGLACAPTPCONLY_F ? cim_la_show_3in1 :
 217                                                              cim_la_show);
 218         }
 219         if (!p)
 220                 return -ENOMEM;
 221 
 222         ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
 223         if (ret)
 224                 seq_release_private(inode, file);
 225         return ret;
 226 }
 227 
 228 static const struct file_operations cim_la_fops = {
 229         .owner   = THIS_MODULE,
 230         .open    = cim_la_open,
 231         .read    = seq_read,
 232         .llseek  = seq_lseek,
 233         .release = seq_release_private
 234 };
 235 
 236 static int cim_pif_la_show(struct seq_file *seq, void *v, int idx)
 237 {
 238         const u32 *p = v;
 239 
 240         if (v == SEQ_START_TOKEN) {
 241                 seq_puts(seq, "Cntl ID DataBE   Addr                 Data\n");
 242         } else if (idx < CIM_PIFLA_SIZE) {
 243                 seq_printf(seq, " %02x  %02x  %04x  %08x %08x%08x%08x%08x\n",
 244                            (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f,
 245                            p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]);
 246         } else {
 247                 if (idx == CIM_PIFLA_SIZE)
 248                         seq_puts(seq, "\nCntl ID               Data\n");
 249                 seq_printf(seq, " %02x  %02x %08x%08x%08x%08x\n",
 250                            (p[4] >> 6) & 0xff, p[4] & 0x3f,
 251                            p[3], p[2], p[1], p[0]);
 252         }
 253         return 0;
 254 }
 255 
 256 static int cim_pif_la_open(struct inode *inode, struct file *file)
 257 {
 258         struct seq_tab *p;
 259         struct adapter *adap = inode->i_private;
 260 
 261         p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1,
 262                          cim_pif_la_show);
 263         if (!p)
 264                 return -ENOMEM;
 265 
 266         t4_cim_read_pif_la(adap, (u32 *)p->data,
 267                            (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL);
 268         return 0;
 269 }
 270 
 271 static const struct file_operations cim_pif_la_fops = {
 272         .owner   = THIS_MODULE,
 273         .open    = cim_pif_la_open,
 274         .read    = seq_read,
 275         .llseek  = seq_lseek,
 276         .release = seq_release_private
 277 };
 278 
 279 static int cim_ma_la_show(struct seq_file *seq, void *v, int idx)
 280 {
 281         const u32 *p = v;
 282 
 283         if (v == SEQ_START_TOKEN) {
 284                 seq_puts(seq, "\n");
 285         } else if (idx < CIM_MALA_SIZE) {
 286                 seq_printf(seq, "%02x%08x%08x%08x%08x\n",
 287                            p[4], p[3], p[2], p[1], p[0]);
 288         } else {
 289                 if (idx == CIM_MALA_SIZE)
 290                         seq_puts(seq,
 291                                  "\nCnt ID Tag UE       Data       RDY VLD\n");
 292                 seq_printf(seq, "%3u %2u  %x   %u %08x%08x  %u   %u\n",
 293                            (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
 294                            (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
 295                            (p[1] >> 2) | ((p[2] & 3) << 30),
 296                            (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
 297                            p[0] & 1);
 298         }
 299         return 0;
 300 }
 301 
 302 static int cim_ma_la_open(struct inode *inode, struct file *file)
 303 {
 304         struct seq_tab *p;
 305         struct adapter *adap = inode->i_private;
 306 
 307         p = seq_open_tab(file, 2 * CIM_MALA_SIZE, 5 * sizeof(u32), 1,
 308                          cim_ma_la_show);
 309         if (!p)
 310                 return -ENOMEM;
 311 
 312         t4_cim_read_ma_la(adap, (u32 *)p->data,
 313                           (u32 *)p->data + 5 * CIM_MALA_SIZE);
 314         return 0;
 315 }
 316 
 317 static const struct file_operations cim_ma_la_fops = {
 318         .owner   = THIS_MODULE,
 319         .open    = cim_ma_la_open,
 320         .read    = seq_read,
 321         .llseek  = seq_lseek,
 322         .release = seq_release_private
 323 };
 324 
 325 static int cim_qcfg_show(struct seq_file *seq, void *v)
 326 {
 327         static const char * const qname[] = {
 328                 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
 329                 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
 330                 "SGE0-RX", "SGE1-RX"
 331         };
 332 
 333         int i;
 334         struct adapter *adap = seq->private;
 335         u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 336         u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
 337         u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
 338         u16 thres[CIM_NUM_IBQ];
 339         u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
 340         u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
 341         u32 *p = stat;
 342         int cim_num_obq = is_t4(adap->params.chip) ?
 343                                 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
 344 
 345         i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
 346                         UP_IBQ_0_SHADOW_RDADDR_A,
 347                         ARRAY_SIZE(stat), stat);
 348         if (!i) {
 349                 if (is_t4(adap->params.chip)) {
 350                         i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
 351                                         ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
 352                         wr = obq_wr_t4;
 353                 } else {
 354                         i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
 355                                         ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
 356                         wr = obq_wr_t5;
 357                 }
 358         }
 359         if (i)
 360                 return i;
 361 
 362         t4_read_cimq_cfg(adap, base, size, thres);
 363 
 364         seq_printf(seq,
 365                    "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
 366         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
 367                 seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
 368                            qname[i], base[i], size[i], thres[i],
 369                            IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
 370                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 371                            QUEREMFLITS_G(p[2]) * 16);
 372         for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
 373                 seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
 374                            qname[i], base[i], size[i],
 375                            QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
 376                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
 377                            QUEREMFLITS_G(p[2]) * 16);
 378         return 0;
 379 }
 380 DEFINE_SHOW_ATTRIBUTE(cim_qcfg);
 381 
 382 static int cimq_show(struct seq_file *seq, void *v, int idx)
 383 {
 384         const u32 *p = v;
 385 
 386         seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
 387                    p[2], p[3]);
 388         return 0;
 389 }
 390 
 391 static int cim_ibq_open(struct inode *inode, struct file *file)
 392 {
 393         int ret;
 394         struct seq_tab *p;
 395         unsigned int qid = (uintptr_t)inode->i_private & 7;
 396         struct adapter *adap = inode->i_private - qid;
 397 
 398         p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 399         if (!p)
 400                 return -ENOMEM;
 401 
 402         ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
 403         if (ret < 0)
 404                 seq_release_private(inode, file);
 405         else
 406                 ret = 0;
 407         return ret;
 408 }
 409 
 410 static const struct file_operations cim_ibq_fops = {
 411         .owner   = THIS_MODULE,
 412         .open    = cim_ibq_open,
 413         .read    = seq_read,
 414         .llseek  = seq_lseek,
 415         .release = seq_release_private
 416 };
 417 
 418 static int cim_obq_open(struct inode *inode, struct file *file)
 419 {
 420         int ret;
 421         struct seq_tab *p;
 422         unsigned int qid = (uintptr_t)inode->i_private & 7;
 423         struct adapter *adap = inode->i_private - qid;
 424 
 425         p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
 426         if (!p)
 427                 return -ENOMEM;
 428 
 429         ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
 430         if (ret < 0) {
 431                 seq_release_private(inode, file);
 432         } else {
 433                 seq_tab_trim(p, ret / 4);
 434                 ret = 0;
 435         }
 436         return ret;
 437 }
 438 
 439 static const struct file_operations cim_obq_fops = {
 440         .owner   = THIS_MODULE,
 441         .open    = cim_obq_open,
 442         .read    = seq_read,
 443         .llseek  = seq_lseek,
 444         .release = seq_release_private
 445 };
 446 
 447 struct field_desc {
 448         const char *name;
 449         unsigned int start;
 450         unsigned int width;
 451 };
 452 
 453 static void field_desc_show(struct seq_file *seq, u64 v,
 454                             const struct field_desc *p)
 455 {
 456         char buf[32];
 457         int line_size = 0;
 458 
 459         while (p->name) {
 460                 u64 mask = (1ULL << p->width) - 1;
 461                 int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
 462                                     ((unsigned long long)v >> p->start) & mask);
 463 
 464                 if (line_size + len >= 79) {
 465                         line_size = 8;
 466                         seq_puts(seq, "\n        ");
 467                 }
 468                 seq_printf(seq, "%s ", buf);
 469                 line_size += len + 1;
 470                 p++;
 471         }
 472         seq_putc(seq, '\n');
 473 }
 474 
 475 static struct field_desc tp_la0[] = {
 476         { "RcfOpCodeOut", 60, 4 },
 477         { "State", 56, 4 },
 478         { "WcfState", 52, 4 },
 479         { "RcfOpcSrcOut", 50, 2 },
 480         { "CRxError", 49, 1 },
 481         { "ERxError", 48, 1 },
 482         { "SanityFailed", 47, 1 },
 483         { "SpuriousMsg", 46, 1 },
 484         { "FlushInputMsg", 45, 1 },
 485         { "FlushInputCpl", 44, 1 },
 486         { "RssUpBit", 43, 1 },
 487         { "RssFilterHit", 42, 1 },
 488         { "Tid", 32, 10 },
 489         { "InitTcb", 31, 1 },
 490         { "LineNumber", 24, 7 },
 491         { "Emsg", 23, 1 },
 492         { "EdataOut", 22, 1 },
 493         { "Cmsg", 21, 1 },
 494         { "CdataOut", 20, 1 },
 495         { "EreadPdu", 19, 1 },
 496         { "CreadPdu", 18, 1 },
 497         { "TunnelPkt", 17, 1 },
 498         { "RcfPeerFin", 16, 1 },
 499         { "RcfReasonOut", 12, 4 },
 500         { "TxCchannel", 10, 2 },
 501         { "RcfTxChannel", 8, 2 },
 502         { "RxEchannel", 6, 2 },
 503         { "RcfRxChannel", 5, 1 },
 504         { "RcfDataOutSrdy", 4, 1 },
 505         { "RxDvld", 3, 1 },
 506         { "RxOoDvld", 2, 1 },
 507         { "RxCongestion", 1, 1 },
 508         { "TxCongestion", 0, 1 },
 509         { NULL }
 510 };
 511 
 512 static int tp_la_show(struct seq_file *seq, void *v, int idx)
 513 {
 514         const u64 *p = v;
 515 
 516         field_desc_show(seq, *p, tp_la0);
 517         return 0;
 518 }
 519 
 520 static int tp_la_show2(struct seq_file *seq, void *v, int idx)
 521 {
 522         const u64 *p = v;
 523 
 524         if (idx)
 525                 seq_putc(seq, '\n');
 526         field_desc_show(seq, p[0], tp_la0);
 527         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 528                 field_desc_show(seq, p[1], tp_la0);
 529         return 0;
 530 }
 531 
 532 static int tp_la_show3(struct seq_file *seq, void *v, int idx)
 533 {
 534         static struct field_desc tp_la1[] = {
 535                 { "CplCmdIn", 56, 8 },
 536                 { "CplCmdOut", 48, 8 },
 537                 { "ESynOut", 47, 1 },
 538                 { "EAckOut", 46, 1 },
 539                 { "EFinOut", 45, 1 },
 540                 { "ERstOut", 44, 1 },
 541                 { "SynIn", 43, 1 },
 542                 { "AckIn", 42, 1 },
 543                 { "FinIn", 41, 1 },
 544                 { "RstIn", 40, 1 },
 545                 { "DataIn", 39, 1 },
 546                 { "DataInVld", 38, 1 },
 547                 { "PadIn", 37, 1 },
 548                 { "RxBufEmpty", 36, 1 },
 549                 { "RxDdp", 35, 1 },
 550                 { "RxFbCongestion", 34, 1 },
 551                 { "TxFbCongestion", 33, 1 },
 552                 { "TxPktSumSrdy", 32, 1 },
 553                 { "RcfUlpType", 28, 4 },
 554                 { "Eread", 27, 1 },
 555                 { "Ebypass", 26, 1 },
 556                 { "Esave", 25, 1 },
 557                 { "Static0", 24, 1 },
 558                 { "Cread", 23, 1 },
 559                 { "Cbypass", 22, 1 },
 560                 { "Csave", 21, 1 },
 561                 { "CPktOut", 20, 1 },
 562                 { "RxPagePoolFull", 18, 2 },
 563                 { "RxLpbkPkt", 17, 1 },
 564                 { "TxLpbkPkt", 16, 1 },
 565                 { "RxVfValid", 15, 1 },
 566                 { "SynLearned", 14, 1 },
 567                 { "SetDelEntry", 13, 1 },
 568                 { "SetInvEntry", 12, 1 },
 569                 { "CpcmdDvld", 11, 1 },
 570                 { "CpcmdSave", 10, 1 },
 571                 { "RxPstructsFull", 8, 2 },
 572                 { "EpcmdDvld", 7, 1 },
 573                 { "EpcmdFlush", 6, 1 },
 574                 { "EpcmdTrimPrefix", 5, 1 },
 575                 { "EpcmdTrimPostfix", 4, 1 },
 576                 { "ERssIp4Pkt", 3, 1 },
 577                 { "ERssIp6Pkt", 2, 1 },
 578                 { "ERssTcpUdpPkt", 1, 1 },
 579                 { "ERssFceFipPkt", 0, 1 },
 580                 { NULL }
 581         };
 582         static struct field_desc tp_la2[] = {
 583                 { "CplCmdIn", 56, 8 },
 584                 { "MpsVfVld", 55, 1 },
 585                 { "MpsPf", 52, 3 },
 586                 { "MpsVf", 44, 8 },
 587                 { "SynIn", 43, 1 },
 588                 { "AckIn", 42, 1 },
 589                 { "FinIn", 41, 1 },
 590                 { "RstIn", 40, 1 },
 591                 { "DataIn", 39, 1 },
 592                 { "DataInVld", 38, 1 },
 593                 { "PadIn", 37, 1 },
 594                 { "RxBufEmpty", 36, 1 },
 595                 { "RxDdp", 35, 1 },
 596                 { "RxFbCongestion", 34, 1 },
 597                 { "TxFbCongestion", 33, 1 },
 598                 { "TxPktSumSrdy", 32, 1 },
 599                 { "RcfUlpType", 28, 4 },
 600                 { "Eread", 27, 1 },
 601                 { "Ebypass", 26, 1 },
 602                 { "Esave", 25, 1 },
 603                 { "Static0", 24, 1 },
 604                 { "Cread", 23, 1 },
 605                 { "Cbypass", 22, 1 },
 606                 { "Csave", 21, 1 },
 607                 { "CPktOut", 20, 1 },
 608                 { "RxPagePoolFull", 18, 2 },
 609                 { "RxLpbkPkt", 17, 1 },
 610                 { "TxLpbkPkt", 16, 1 },
 611                 { "RxVfValid", 15, 1 },
 612                 { "SynLearned", 14, 1 },
 613                 { "SetDelEntry", 13, 1 },
 614                 { "SetInvEntry", 12, 1 },
 615                 { "CpcmdDvld", 11, 1 },
 616                 { "CpcmdSave", 10, 1 },
 617                 { "RxPstructsFull", 8, 2 },
 618                 { "EpcmdDvld", 7, 1 },
 619                 { "EpcmdFlush", 6, 1 },
 620                 { "EpcmdTrimPrefix", 5, 1 },
 621                 { "EpcmdTrimPostfix", 4, 1 },
 622                 { "ERssIp4Pkt", 3, 1 },
 623                 { "ERssIp6Pkt", 2, 1 },
 624                 { "ERssTcpUdpPkt", 1, 1 },
 625                 { "ERssFceFipPkt", 0, 1 },
 626                 { NULL }
 627         };
 628         const u64 *p = v;
 629 
 630         if (idx)
 631                 seq_putc(seq, '\n');
 632         field_desc_show(seq, p[0], tp_la0);
 633         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
 634                 field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
 635         return 0;
 636 }
 637 
 638 static int tp_la_open(struct inode *inode, struct file *file)
 639 {
 640         struct seq_tab *p;
 641         struct adapter *adap = inode->i_private;
 642 
 643         switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
 644         case 2:
 645                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 646                                  tp_la_show2);
 647                 break;
 648         case 3:
 649                 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
 650                                  tp_la_show3);
 651                 break;
 652         default:
 653                 p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
 654         }
 655         if (!p)
 656                 return -ENOMEM;
 657 
 658         t4_tp_read_la(adap, (u64 *)p->data, NULL);
 659         return 0;
 660 }
 661 
 662 static ssize_t tp_la_write(struct file *file, const char __user *buf,
 663                            size_t count, loff_t *pos)
 664 {
 665         int err;
 666         char s[32];
 667         unsigned long val;
 668         size_t size = min(sizeof(s) - 1, count);
 669         struct adapter *adap = file_inode(file)->i_private;
 670 
 671         if (copy_from_user(s, buf, size))
 672                 return -EFAULT;
 673         s[size] = '\0';
 674         err = kstrtoul(s, 0, &val);
 675         if (err)
 676                 return err;
 677         if (val > 0xffff)
 678                 return -EINVAL;
 679         adap->params.tp.la_mask = val << 16;
 680         t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
 681                          adap->params.tp.la_mask);
 682         return count;
 683 }
 684 
 685 static const struct file_operations tp_la_fops = {
 686         .owner   = THIS_MODULE,
 687         .open    = tp_la_open,
 688         .read    = seq_read,
 689         .llseek  = seq_lseek,
 690         .release = seq_release_private,
 691         .write   = tp_la_write
 692 };
 693 
 694 static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
 695 {
 696         const u32 *p = v;
 697 
 698         if (v == SEQ_START_TOKEN)
 699                 seq_puts(seq, "      Pcmd        Type   Message"
 700                          "                Data\n");
 701         else
 702                 seq_printf(seq, "%08x%08x  %4x  %08x  %08x%08x%08x%08x\n",
 703                            p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
 704         return 0;
 705 }
 706 
 707 static int ulprx_la_open(struct inode *inode, struct file *file)
 708 {
 709         struct seq_tab *p;
 710         struct adapter *adap = inode->i_private;
 711 
 712         p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
 713                          ulprx_la_show);
 714         if (!p)
 715                 return -ENOMEM;
 716 
 717         t4_ulprx_read_la(adap, (u32 *)p->data);
 718         return 0;
 719 }
 720 
 721 static const struct file_operations ulprx_la_fops = {
 722         .owner   = THIS_MODULE,
 723         .open    = ulprx_la_open,
 724         .read    = seq_read,
 725         .llseek  = seq_lseek,
 726         .release = seq_release_private
 727 };
 728 
 729 /* Show the PM memory stats.  These stats include:
 730  *
 731  * TX:
 732  *   Read: memory read operation
 733  *   Write Bypass: cut-through
 734  *   Bypass + mem: cut-through and save copy
 735  *
 736  * RX:
 737  *   Read: memory read
 738  *   Write Bypass: cut-through
 739  *   Flush: payload trim or drop
 740  */
 741 static int pm_stats_show(struct seq_file *seq, void *v)
 742 {
 743         static const char * const tx_pm_stats[] = {
 744                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
 745         };
 746         static const char * const rx_pm_stats[] = {
 747                 "Read:", "Write bypass:", "Write mem:", "Flush:"
 748         };
 749 
 750         int i;
 751         u32 tx_cnt[T6_PM_NSTATS], rx_cnt[T6_PM_NSTATS];
 752         u64 tx_cyc[T6_PM_NSTATS], rx_cyc[T6_PM_NSTATS];
 753         struct adapter *adap = seq->private;
 754 
 755         t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
 756         t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
 757 
 758         seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
 759         for (i = 0; i < PM_NSTATS - 1; i++)
 760                 seq_printf(seq, "%-13s %10u  %20llu\n",
 761                            tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
 762 
 763         seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
 764         for (i = 0; i < PM_NSTATS - 1; i++)
 765                 seq_printf(seq, "%-13s %10u  %20llu\n",
 766                            rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
 767 
 768         if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
 769                 /* In T5 the granularity of the total wait is too fine.
 770                  * It is not useful as it reaches the max value too fast.
 771                  * Hence display this Input FIFO wait for T6 onwards.
 772                  */
 773                 seq_printf(seq, "%13s %10s  %20s\n",
 774                            " ", "Total wait", "Total Occupancy");
 775                 seq_printf(seq, "Tx FIFO wait  %10u  %20llu\n",
 776                            tx_cnt[i], tx_cyc[i]);
 777                 seq_printf(seq, "Rx FIFO wait  %10u  %20llu\n",
 778                            rx_cnt[i], rx_cyc[i]);
 779 
 780                 /* Skip index 6 as there is nothing useful ihere */
 781                 i += 2;
 782 
 783                 /* At index 7, a new stat for read latency (count, total wait)
 784                  * is added.
 785                  */
 786                 seq_printf(seq, "%13s %10s  %20s\n",
 787                            " ", "Reads", "Total wait");
 788                 seq_printf(seq, "Tx latency    %10u  %20llu\n",
 789                            tx_cnt[i], tx_cyc[i]);
 790                 seq_printf(seq, "Rx latency    %10u  %20llu\n",
 791                            rx_cnt[i], rx_cyc[i]);
 792         }
 793         return 0;
 794 }
 795 
 796 static int pm_stats_open(struct inode *inode, struct file *file)
 797 {
 798         return single_open(file, pm_stats_show, inode->i_private);
 799 }
 800 
 801 static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
 802                               size_t count, loff_t *pos)
 803 {
 804         struct adapter *adap = file_inode(file)->i_private;
 805 
 806         t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
 807         t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
 808         return count;
 809 }
 810 
 811 static const struct file_operations pm_stats_debugfs_fops = {
 812         .owner   = THIS_MODULE,
 813         .open    = pm_stats_open,
 814         .read    = seq_read,
 815         .llseek  = seq_lseek,
 816         .release = single_release,
 817         .write   = pm_stats_clear
 818 };
 819 
 820 static int tx_rate_show(struct seq_file *seq, void *v)
 821 {
 822         u64 nrate[NCHAN], orate[NCHAN];
 823         struct adapter *adap = seq->private;
 824 
 825         t4_get_chan_txrate(adap, nrate, orate);
 826         if (adap->params.arch.nchan == NCHAN) {
 827                 seq_puts(seq, "              channel 0   channel 1   "
 828                          "channel 2   channel 3\n");
 829                 seq_printf(seq, "NIC B/s:     %10llu  %10llu  %10llu  %10llu\n",
 830                            (unsigned long long)nrate[0],
 831                            (unsigned long long)nrate[1],
 832                            (unsigned long long)nrate[2],
 833                            (unsigned long long)nrate[3]);
 834                 seq_printf(seq, "Offload B/s: %10llu  %10llu  %10llu  %10llu\n",
 835                            (unsigned long long)orate[0],
 836                            (unsigned long long)orate[1],
 837                            (unsigned long long)orate[2],
 838                            (unsigned long long)orate[3]);
 839         } else {
 840                 seq_puts(seq, "              channel 0   channel 1\n");
 841                 seq_printf(seq, "NIC B/s:     %10llu  %10llu\n",
 842                            (unsigned long long)nrate[0],
 843                            (unsigned long long)nrate[1]);
 844                 seq_printf(seq, "Offload B/s: %10llu  %10llu\n",
 845                            (unsigned long long)orate[0],
 846                            (unsigned long long)orate[1]);
 847         }
 848         return 0;
 849 }
 850 DEFINE_SHOW_ATTRIBUTE(tx_rate);
 851 
 852 static int cctrl_tbl_show(struct seq_file *seq, void *v)
 853 {
 854         static const char * const dec_fac[] = {
 855                 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
 856                 "0.9375" };
 857 
 858         int i;
 859         u16 (*incr)[NCCTRL_WIN];
 860         struct adapter *adap = seq->private;
 861 
 862         incr = kmalloc_array(NMTUS, sizeof(*incr), GFP_KERNEL);
 863         if (!incr)
 864                 return -ENOMEM;
 865 
 866         t4_read_cong_tbl(adap, incr);
 867 
 868         for (i = 0; i < NCCTRL_WIN; ++i) {
 869                 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
 870                            incr[0][i], incr[1][i], incr[2][i], incr[3][i],
 871                            incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
 872                 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
 873                            incr[8][i], incr[9][i], incr[10][i], incr[11][i],
 874                            incr[12][i], incr[13][i], incr[14][i], incr[15][i],
 875                            adap->params.a_wnd[i],
 876                            dec_fac[adap->params.b_wnd[i]]);
 877         }
 878 
 879         kfree(incr);
 880         return 0;
 881 }
 882 DEFINE_SHOW_ATTRIBUTE(cctrl_tbl);
 883 
 884 /* Format a value in a unit that differs from the value's native unit by the
 885  * given factor.
 886  */
 887 static char *unit_conv(char *buf, size_t len, unsigned int val,
 888                        unsigned int factor)
 889 {
 890         unsigned int rem = val % factor;
 891 
 892         if (rem == 0) {
 893                 snprintf(buf, len, "%u", val / factor);
 894         } else {
 895                 while (rem % 10 == 0)
 896                         rem /= 10;
 897                 snprintf(buf, len, "%u.%u", val / factor, rem);
 898         }
 899         return buf;
 900 }
 901 
 902 static int clk_show(struct seq_file *seq, void *v)
 903 {
 904         char buf[32];
 905         struct adapter *adap = seq->private;
 906         unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
 907         u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
 908         unsigned int tre = TIMERRESOLUTION_G(res);
 909         unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
 910         unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
 911 
 912         seq_printf(seq, "Core clock period: %s ns\n",
 913                    unit_conv(buf, sizeof(buf), cclk_ps, 1000));
 914         seq_printf(seq, "TP timer tick: %s us\n",
 915                    unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
 916         seq_printf(seq, "TCP timestamp tick: %s us\n",
 917                    unit_conv(buf, sizeof(buf),
 918                              (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
 919         seq_printf(seq, "DACK tick: %s us\n",
 920                    unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
 921         seq_printf(seq, "DACK timer: %u us\n",
 922                    ((cclk_ps << dack_re) / 1000000) *
 923                    t4_read_reg(adap, TP_DACK_TIMER_A));
 924         seq_printf(seq, "Retransmit min: %llu us\n",
 925                    tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
 926         seq_printf(seq, "Retransmit max: %llu us\n",
 927                    tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
 928         seq_printf(seq, "Persist timer min: %llu us\n",
 929                    tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
 930         seq_printf(seq, "Persist timer max: %llu us\n",
 931                    tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
 932         seq_printf(seq, "Keepalive idle timer: %llu us\n",
 933                    tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
 934         seq_printf(seq, "Keepalive interval: %llu us\n",
 935                    tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
 936         seq_printf(seq, "Initial SRTT: %llu us\n",
 937                    tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
 938         seq_printf(seq, "FINWAIT2 timer: %llu us\n",
 939                    tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
 940 
 941         return 0;
 942 }
 943 DEFINE_SHOW_ATTRIBUTE(clk);
 944 
 945 /* Firmware Device Log dump. */
 946 static const char * const devlog_level_strings[] = {
 947         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
 948         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
 949         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
 950         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
 951         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
 952         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
 953 };
 954 
 955 static const char * const devlog_facility_strings[] = {
 956         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
 957         [FW_DEVLOG_FACILITY_CF]         = "CF",
 958         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
 959         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
 960         [FW_DEVLOG_FACILITY_RES]        = "RES",
 961         [FW_DEVLOG_FACILITY_HW]         = "HW",
 962         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
 963         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
 964         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
 965         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
 966         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
 967         [FW_DEVLOG_FACILITY_VI]         = "VI",
 968         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
 969         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
 970         [FW_DEVLOG_FACILITY_TM]         = "TM",
 971         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
 972         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
 973         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
 974         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
 975         [FW_DEVLOG_FACILITY_RI]         = "RI",
 976         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
 977         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
 978         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
 979         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
 980 };
 981 
 982 /* Information gathered by Device Log Open routine for the display routine.
 983  */
 984 struct devlog_info {
 985         unsigned int nentries;          /* number of entries in log[] */
 986         unsigned int first;             /* first [temporal] entry in log[] */
 987         struct fw_devlog_e log[0];      /* Firmware Device Log */
 988 };
 989 
 990 /* Dump a Firmaware Device Log entry.
 991  */
 992 static int devlog_show(struct seq_file *seq, void *v)
 993 {
 994         if (v == SEQ_START_TOKEN)
 995                 seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
 996                            "Seq#", "Tstamp", "Level", "Facility", "Message");
 997         else {
 998                 struct devlog_info *dinfo = seq->private;
 999                 int fidx = (uintptr_t)v - 2;
1000                 unsigned long index;
1001                 struct fw_devlog_e *e;
1002 
1003                 /* Get a pointer to the log entry to display.  Skip unused log
1004                  * entries.
1005                  */
1006                 index = dinfo->first + fidx;
1007                 if (index >= dinfo->nentries)
1008                         index -= dinfo->nentries;
1009                 e = &dinfo->log[index];
1010                 if (e->timestamp == 0)
1011                         return 0;
1012 
1013                 /* Print the message.  This depends on the firmware using
1014                  * exactly the same formating strings as the kernel so we may
1015                  * eventually have to put a format interpreter in here ...
1016                  */
1017                 seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
1018                            be32_to_cpu(e->seqno),
1019                            be64_to_cpu(e->timestamp),
1020                            (e->level < ARRAY_SIZE(devlog_level_strings)
1021                             ? devlog_level_strings[e->level]
1022                             : "UNKNOWN"),
1023                            (e->facility < ARRAY_SIZE(devlog_facility_strings)
1024                             ? devlog_facility_strings[e->facility]
1025                             : "UNKNOWN"));
1026                 seq_printf(seq, e->fmt,
1027                            be32_to_cpu(e->params[0]),
1028                            be32_to_cpu(e->params[1]),
1029                            be32_to_cpu(e->params[2]),
1030                            be32_to_cpu(e->params[3]),
1031                            be32_to_cpu(e->params[4]),
1032                            be32_to_cpu(e->params[5]),
1033                            be32_to_cpu(e->params[6]),
1034                            be32_to_cpu(e->params[7]));
1035         }
1036         return 0;
1037 }
1038 
1039 /* Sequential File Operations for Device Log.
1040  */
1041 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
1042 {
1043         if (pos > dinfo->nentries)
1044                 return NULL;
1045 
1046         return (void *)(uintptr_t)(pos + 1);
1047 }
1048 
1049 static void *devlog_start(struct seq_file *seq, loff_t *pos)
1050 {
1051         struct devlog_info *dinfo = seq->private;
1052 
1053         return (*pos
1054                 ? devlog_get_idx(dinfo, *pos)
1055                 : SEQ_START_TOKEN);
1056 }
1057 
1058 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
1059 {
1060         struct devlog_info *dinfo = seq->private;
1061 
1062         (*pos)++;
1063         return devlog_get_idx(dinfo, *pos);
1064 }
1065 
1066 static void devlog_stop(struct seq_file *seq, void *v)
1067 {
1068 }
1069 
1070 static const struct seq_operations devlog_seq_ops = {
1071         .start = devlog_start,
1072         .next  = devlog_next,
1073         .stop  = devlog_stop,
1074         .show  = devlog_show
1075 };
1076 
1077 /* Set up for reading the firmware's device log.  We read the entire log here
1078  * and then display it incrementally in devlog_show().
1079  */
1080 static int devlog_open(struct inode *inode, struct file *file)
1081 {
1082         struct adapter *adap = inode->i_private;
1083         struct devlog_params *dparams = &adap->params.devlog;
1084         struct devlog_info *dinfo;
1085         unsigned int index;
1086         u32 fseqno;
1087         int ret;
1088 
1089         /* If we don't know where the log is we can't do anything.
1090          */
1091         if (dparams->start == 0)
1092                 return -ENXIO;
1093 
1094         /* Allocate the space to read in the firmware's device log and set up
1095          * for the iterated call to our display function.
1096          */
1097         dinfo = __seq_open_private(file, &devlog_seq_ops,
1098                                    sizeof(*dinfo) + dparams->size);
1099         if (!dinfo)
1100                 return -ENOMEM;
1101 
1102         /* Record the basic log buffer information and read in the raw log.
1103          */
1104         dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
1105         dinfo->first = 0;
1106         spin_lock(&adap->win0_lock);
1107         ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
1108                            dparams->start, dparams->size, (__be32 *)dinfo->log,
1109                            T4_MEMORY_READ);
1110         spin_unlock(&adap->win0_lock);
1111         if (ret) {
1112                 seq_release_private(inode, file);
1113                 return ret;
1114         }
1115 
1116         /* Find the earliest (lowest Sequence Number) log entry in the
1117          * circular Device Log.
1118          */
1119         for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
1120                 struct fw_devlog_e *e = &dinfo->log[index];
1121                 __u32 seqno;
1122 
1123                 if (e->timestamp == 0)
1124                         continue;
1125 
1126                 seqno = be32_to_cpu(e->seqno);
1127                 if (seqno < fseqno) {
1128                         fseqno = seqno;
1129                         dinfo->first = index;
1130                 }
1131         }
1132         return 0;
1133 }
1134 
1135 static const struct file_operations devlog_fops = {
1136         .owner   = THIS_MODULE,
1137         .open    = devlog_open,
1138         .read    = seq_read,
1139         .llseek  = seq_lseek,
1140         .release = seq_release_private
1141 };
1142 
1143 /* Show Firmware Mailbox Command/Reply Log
1144  *
1145  * Note that we don't do any locking when dumping the Firmware Mailbox Log so
1146  * it's possible that we can catch things during a log update and therefore
1147  * see partially corrupted log entries.  But it's probably Good Enough(tm).
1148  * If we ever decide that we want to make sure that we're dumping a coherent
1149  * log, we'd need to perform locking in the mailbox logging and in
1150  * mboxlog_open() where we'd need to grab the entire mailbox log in one go
1151  * like we do for the Firmware Device Log.
1152  */
1153 static int mboxlog_show(struct seq_file *seq, void *v)
1154 {
1155         struct adapter *adapter = seq->private;
1156         struct mbox_cmd_log *log = adapter->mbox_log;
1157         struct mbox_cmd *entry;
1158         int entry_idx, i;
1159 
1160         if (v == SEQ_START_TOKEN) {
1161                 seq_printf(seq,
1162                            "%10s  %15s  %5s  %5s  %s\n",
1163                            "Seq#", "Tstamp", "Atime", "Etime",
1164                            "Command/Reply");
1165                 return 0;
1166         }
1167 
1168         entry_idx = log->cursor + ((uintptr_t)v - 2);
1169         if (entry_idx >= log->size)
1170                 entry_idx -= log->size;
1171         entry = mbox_cmd_log_entry(log, entry_idx);
1172 
1173         /* skip over unused entries */
1174         if (entry->timestamp == 0)
1175                 return 0;
1176 
1177         seq_printf(seq, "%10u  %15llu  %5d  %5d",
1178                    entry->seqno, entry->timestamp,
1179                    entry->access, entry->execute);
1180         for (i = 0; i < MBOX_LEN / 8; i++) {
1181                 u64 flit = entry->cmd[i];
1182                 u32 hi = (u32)(flit >> 32);
1183                 u32 lo = (u32)flit;
1184 
1185                 seq_printf(seq, "  %08x %08x", hi, lo);
1186         }
1187         seq_puts(seq, "\n");
1188         return 0;
1189 }
1190 
1191 static inline void *mboxlog_get_idx(struct seq_file *seq, loff_t pos)
1192 {
1193         struct adapter *adapter = seq->private;
1194         struct mbox_cmd_log *log = adapter->mbox_log;
1195 
1196         return ((pos <= log->size) ? (void *)(uintptr_t)(pos + 1) : NULL);
1197 }
1198 
1199 static void *mboxlog_start(struct seq_file *seq, loff_t *pos)
1200 {
1201         return *pos ? mboxlog_get_idx(seq, *pos) : SEQ_START_TOKEN;
1202 }
1203 
1204 static void *mboxlog_next(struct seq_file *seq, void *v, loff_t *pos)
1205 {
1206         ++*pos;
1207         return mboxlog_get_idx(seq, *pos);
1208 }
1209 
1210 static void mboxlog_stop(struct seq_file *seq, void *v)
1211 {
1212 }
1213 
1214 static const struct seq_operations mboxlog_seq_ops = {
1215         .start = mboxlog_start,
1216         .next  = mboxlog_next,
1217         .stop  = mboxlog_stop,
1218         .show  = mboxlog_show
1219 };
1220 
1221 static int mboxlog_open(struct inode *inode, struct file *file)
1222 {
1223         int res = seq_open(file, &mboxlog_seq_ops);
1224 
1225         if (!res) {
1226                 struct seq_file *seq = file->private_data;
1227 
1228                 seq->private = inode->i_private;
1229         }
1230         return res;
1231 }
1232 
1233 static const struct file_operations mboxlog_fops = {
1234         .owner   = THIS_MODULE,
1235         .open    = mboxlog_open,
1236         .read    = seq_read,
1237         .llseek  = seq_lseek,
1238         .release = seq_release,
1239 };
1240 
1241 static int mbox_show(struct seq_file *seq, void *v)
1242 {
1243         static const char * const owner[] = { "none", "FW", "driver",
1244                                               "unknown", "<unread>" };
1245 
1246         int i;
1247         unsigned int mbox = (uintptr_t)seq->private & 7;
1248         struct adapter *adap = seq->private - mbox;
1249         void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1250 
1251         /* For T4 we don't have a shadow copy of the Mailbox Control register.
1252          * And since reading that real register causes a side effect of
1253          * granting ownership, we're best of simply not reading it at all.
1254          */
1255         if (is_t4(adap->params.chip)) {
1256                 i = 4; /* index of "<unread>" */
1257         } else {
1258                 unsigned int ctrl_reg = CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A;
1259                 void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
1260 
1261                 i = MBOWNER_G(readl(ctrl));
1262         }
1263 
1264         seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
1265 
1266         for (i = 0; i < MBOX_LEN; i += 8)
1267                 seq_printf(seq, "%016llx\n",
1268                            (unsigned long long)readq(addr + i));
1269         return 0;
1270 }
1271 
1272 static int mbox_open(struct inode *inode, struct file *file)
1273 {
1274         return single_open(file, mbox_show, inode->i_private);
1275 }
1276 
1277 static ssize_t mbox_write(struct file *file, const char __user *buf,
1278                           size_t count, loff_t *pos)
1279 {
1280         int i;
1281         char c = '\n', s[256];
1282         unsigned long long data[8];
1283         const struct inode *ino;
1284         unsigned int mbox;
1285         struct adapter *adap;
1286         void __iomem *addr;
1287         void __iomem *ctrl;
1288 
1289         if (count > sizeof(s) - 1 || !count)
1290                 return -EINVAL;
1291         if (copy_from_user(s, buf, count))
1292                 return -EFAULT;
1293         s[count] = '\0';
1294 
1295         if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
1296                    &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
1297                    &data[7], &c) < 8 || c != '\n')
1298                 return -EINVAL;
1299 
1300         ino = file_inode(file);
1301         mbox = (uintptr_t)ino->i_private & 7;
1302         adap = ino->i_private - mbox;
1303         addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1304         ctrl = addr + MBOX_LEN;
1305 
1306         if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1307                 return -EBUSY;
1308 
1309         for (i = 0; i < 8; i++)
1310                 writeq(data[i], addr + 8 * i);
1311 
1312         writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1313         return count;
1314 }
1315 
1316 static const struct file_operations mbox_debugfs_fops = {
1317         .owner   = THIS_MODULE,
1318         .open    = mbox_open,
1319         .read    = seq_read,
1320         .llseek  = seq_lseek,
1321         .release = single_release,
1322         .write   = mbox_write
1323 };
1324 
1325 static int mps_trc_show(struct seq_file *seq, void *v)
1326 {
1327         int enabled, i;
1328         struct trace_params tp;
1329         unsigned int trcidx = (uintptr_t)seq->private & 3;
1330         struct adapter *adap = seq->private - trcidx;
1331 
1332         t4_get_trace_filter(adap, &tp, trcidx, &enabled);
1333         if (!enabled) {
1334                 seq_puts(seq, "tracer is disabled\n");
1335                 return 0;
1336         }
1337 
1338         if (tp.skip_ofst * 8 >= TRACE_LEN) {
1339                 dev_err(adap->pdev_dev, "illegal trace pattern skip offset\n");
1340                 return -EINVAL;
1341         }
1342         if (tp.port < 8) {
1343                 i = adap->chan_map[tp.port & 3];
1344                 if (i >= MAX_NPORTS) {
1345                         dev_err(adap->pdev_dev, "tracer %u is assigned "
1346                                 "to non-existing port\n", trcidx);
1347                         return -EINVAL;
1348                 }
1349                 seq_printf(seq, "tracer is capturing %s %s, ",
1350                            adap->port[i]->name, tp.port < 4 ? "Rx" : "Tx");
1351         } else
1352                 seq_printf(seq, "tracer is capturing loopback %d, ",
1353                            tp.port - 8);
1354         seq_printf(seq, "snap length: %u, min length: %u\n", tp.snap_len,
1355                    tp.min_len);
1356         seq_printf(seq, "packets captured %smatch filter\n",
1357                    tp.invert ? "do not " : "");
1358 
1359         if (tp.skip_ofst) {
1360                 seq_puts(seq, "filter pattern: ");
1361                 for (i = 0; i < tp.skip_ofst * 2; i += 2)
1362                         seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1363                 seq_putc(seq, '/');
1364                 for (i = 0; i < tp.skip_ofst * 2; i += 2)
1365                         seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1366                 seq_puts(seq, "@0\n");
1367         }
1368 
1369         seq_puts(seq, "filter pattern: ");
1370         for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1371                 seq_printf(seq, "%08x%08x", tp.data[i], tp.data[i + 1]);
1372         seq_putc(seq, '/');
1373         for (i = tp.skip_ofst * 2; i < TRACE_LEN / 4; i += 2)
1374                 seq_printf(seq, "%08x%08x", tp.mask[i], tp.mask[i + 1]);
1375         seq_printf(seq, "@%u\n", (tp.skip_ofst + tp.skip_len) * 8);
1376         return 0;
1377 }
1378 
1379 static int mps_trc_open(struct inode *inode, struct file *file)
1380 {
1381         return single_open(file, mps_trc_show, inode->i_private);
1382 }
1383 
1384 static unsigned int xdigit2int(unsigned char c)
1385 {
1386         return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
1387 }
1388 
1389 #define TRC_PORT_NONE 0xff
1390 #define TRC_RSS_ENABLE 0x33
1391 #define TRC_RSS_DISABLE 0x13
1392 
1393 /* Set an MPS trace filter.  Syntax is:
1394  *
1395  * disable
1396  *
1397  * to disable tracing, or
1398  *
1399  * interface qid=<qid no> [snaplen=<val>] [minlen=<val>] [not] [<pattern>]...
1400  *
1401  * where interface is one of rxN, txN, or loopbackN, N = 0..3, qid can be one
1402  * of the NIC's response qid obtained from sge_qinfo and pattern has the form
1403  *
1404  * <pattern data>[/<pattern mask>][@<anchor>]
1405  *
1406  * Up to 2 filter patterns can be specified.  If 2 are supplied the first one
1407  * must be anchored at 0.  An omitted mask is taken as a mask of 1s, an omitted
1408  * anchor is taken as 0.
1409  */
1410 static ssize_t mps_trc_write(struct file *file, const char __user *buf,
1411                              size_t count, loff_t *pos)
1412 {
1413         int i, enable, ret;
1414         u32 *data, *mask;
1415         struct trace_params tp;
1416         const struct inode *ino;
1417         unsigned int trcidx;
1418         char *s, *p, *word, *end;
1419         struct adapter *adap;
1420         u32 j;
1421 
1422         ino = file_inode(file);
1423         trcidx = (uintptr_t)ino->i_private & 3;
1424         adap = ino->i_private - trcidx;
1425 
1426         /* Don't accept input more than 1K, can't be anything valid except lots
1427          * of whitespace.  Well, use less.
1428          */
1429         if (count > 1024)
1430                 return -EFBIG;
1431         p = s = kzalloc(count + 1, GFP_USER);
1432         if (!s)
1433                 return -ENOMEM;
1434         if (copy_from_user(s, buf, count)) {
1435                 count = -EFAULT;
1436                 goto out;
1437         }
1438 
1439         if (s[count - 1] == '\n')
1440                 s[count - 1] = '\0';
1441 
1442         enable = strcmp("disable", s) != 0;
1443         if (!enable)
1444                 goto apply;
1445 
1446         /* enable or disable trace multi rss filter */
1447         if (adap->trace_rss)
1448                 t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_ENABLE);
1449         else
1450                 t4_write_reg(adap, MPS_TRC_CFG_A, TRC_RSS_DISABLE);
1451 
1452         memset(&tp, 0, sizeof(tp));
1453         tp.port = TRC_PORT_NONE;
1454         i = 0;  /* counts pattern nibbles */
1455 
1456         while (p) {
1457                 while (isspace(*p))
1458                         p++;
1459                 word = strsep(&p, " ");
1460                 if (!*word)
1461                         break;
1462 
1463                 if (!strncmp(word, "qid=", 4)) {
1464                         end = (char *)word + 4;
1465                         ret = kstrtouint(end, 10, &j);
1466                         if (ret)
1467                                 goto out;
1468                         if (!adap->trace_rss) {
1469                                 t4_write_reg(adap, MPS_T5_TRC_RSS_CONTROL_A, j);
1470                                 continue;
1471                         }
1472 
1473                         switch (trcidx) {
1474                         case 0:
1475                                 t4_write_reg(adap, MPS_TRC_RSS_CONTROL_A, j);
1476                                 break;
1477                         case 1:
1478                                 t4_write_reg(adap,
1479                                              MPS_TRC_FILTER1_RSS_CONTROL_A, j);
1480                                 break;
1481                         case 2:
1482                                 t4_write_reg(adap,
1483                                              MPS_TRC_FILTER2_RSS_CONTROL_A, j);
1484                                 break;
1485                         case 3:
1486                                 t4_write_reg(adap,
1487                                              MPS_TRC_FILTER3_RSS_CONTROL_A, j);
1488                                 break;
1489                         }
1490                         continue;
1491                 }
1492                 if (!strncmp(word, "snaplen=", 8)) {
1493                         end = (char *)word + 8;
1494                         ret = kstrtouint(end, 10, &j);
1495                         if (ret || j > 9600) {
1496 inval:                          count = -EINVAL;
1497                                 goto out;
1498                         }
1499                         tp.snap_len = j;
1500                         continue;
1501                 }
1502                 if (!strncmp(word, "minlen=", 7)) {
1503                         end = (char *)word + 7;
1504                         ret = kstrtouint(end, 10, &j);
1505                         if (ret || j > TFMINPKTSIZE_M)
1506                                 goto inval;
1507                         tp.min_len = j;
1508                         continue;
1509                 }
1510                 if (!strcmp(word, "not")) {
1511                         tp.invert = !tp.invert;
1512                         continue;
1513                 }
1514                 if (!strncmp(word, "loopback", 8) && tp.port == TRC_PORT_NONE) {
1515                         if (word[8] < '0' || word[8] > '3' || word[9])
1516                                 goto inval;
1517                         tp.port = word[8] - '0' + 8;
1518                         continue;
1519                 }
1520                 if (!strncmp(word, "tx", 2) && tp.port == TRC_PORT_NONE) {
1521                         if (word[2] < '0' || word[2] > '3' || word[3])
1522                                 goto inval;
1523                         tp.port = word[2] - '0' + 4;
1524                         if (adap->chan_map[tp.port & 3] >= MAX_NPORTS)
1525                                 goto inval;
1526                         continue;
1527                 }
1528                 if (!strncmp(word, "rx", 2) && tp.port == TRC_PORT_NONE) {
1529                         if (word[2] < '0' || word[2] > '3' || word[3])
1530                                 goto inval;
1531                         tp.port = word[2] - '0';
1532                         if (adap->chan_map[tp.port] >= MAX_NPORTS)
1533                                 goto inval;
1534                         continue;
1535                 }
1536                 if (!isxdigit(*word))
1537                         goto inval;
1538 
1539                 /* we have found a trace pattern */
1540                 if (i) {                            /* split pattern */
1541                         if (tp.skip_len)            /* too many splits */
1542                                 goto inval;
1543                         tp.skip_ofst = i / 16;
1544                 }
1545 
1546                 data = &tp.data[i / 8];
1547                 mask = &tp.mask[i / 8];
1548                 j = i;
1549 
1550                 while (isxdigit(*word)) {
1551                         if (i >= TRACE_LEN * 2) {
1552                                 count = -EFBIG;
1553                                 goto out;
1554                         }
1555                         *data = (*data << 4) + xdigit2int(*word++);
1556                         if (++i % 8 == 0)
1557                                 data++;
1558                 }
1559                 if (*word == '/') {
1560                         word++;
1561                         while (isxdigit(*word)) {
1562                                 if (j >= i)         /* mask longer than data */
1563                                         goto inval;
1564                                 *mask = (*mask << 4) + xdigit2int(*word++);
1565                                 if (++j % 8 == 0)
1566                                         mask++;
1567                         }
1568                         if (i != j)                 /* mask shorter than data */
1569                                 goto inval;
1570                 } else {                            /* no mask, use all 1s */
1571                         for ( ; i - j >= 8; j += 8)
1572                                 *mask++ = 0xffffffff;
1573                         if (i % 8)
1574                                 *mask = (1 << (i % 8) * 4) - 1;
1575                 }
1576                 if (*word == '@') {
1577                         end = (char *)word + 1;
1578                         ret = kstrtouint(end, 10, &j);
1579                         if (*end && *end != '\n')
1580                                 goto inval;
1581                         if (j & 7)          /* doesn't start at multiple of 8 */
1582                                 goto inval;
1583                         j /= 8;
1584                         if (j < tp.skip_ofst)     /* overlaps earlier pattern */
1585                                 goto inval;
1586                         if (j - tp.skip_ofst > 31)            /* skip too big */
1587                                 goto inval;
1588                         tp.skip_len = j - tp.skip_ofst;
1589                 }
1590                 if (i % 8) {
1591                         *data <<= (8 - i % 8) * 4;
1592                         *mask <<= (8 - i % 8) * 4;
1593                         i = (i + 15) & ~15;         /* 8-byte align */
1594                 }
1595         }
1596 
1597         if (tp.port == TRC_PORT_NONE)
1598                 goto inval;
1599 
1600 apply:
1601         i = t4_set_trace_filter(adap, &tp, trcidx, enable);
1602         if (i)
1603                 count = i;
1604 out:
1605         kfree(s);
1606         return count;
1607 }
1608 
1609 static const struct file_operations mps_trc_debugfs_fops = {
1610         .owner   = THIS_MODULE,
1611         .open    = mps_trc_open,
1612         .read    = seq_read,
1613         .llseek  = seq_lseek,
1614         .release = single_release,
1615         .write   = mps_trc_write
1616 };
1617 
1618 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1619                           loff_t *ppos)
1620 {
1621         loff_t pos = *ppos;
1622         loff_t avail = file_inode(file)->i_size;
1623         struct adapter *adap = file->private_data;
1624 
1625         if (pos < 0)
1626                 return -EINVAL;
1627         if (pos >= avail)
1628                 return 0;
1629         if (count > avail - pos)
1630                 count = avail - pos;
1631 
1632         while (count) {
1633                 size_t len;
1634                 int ret, ofst;
1635                 u8 data[256];
1636 
1637                 ofst = pos & 3;
1638                 len = min(count + ofst, sizeof(data));
1639                 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1640                                     (u32 *)data, 1);
1641                 if (ret)
1642                         return ret;
1643 
1644                 len -= ofst;
1645                 if (copy_to_user(buf, data + ofst, len))
1646                         return -EFAULT;
1647 
1648                 buf += len;
1649                 pos += len;
1650                 count -= len;
1651         }
1652         count = pos - *ppos;
1653         *ppos = pos;
1654         return count;
1655 }
1656 
1657 static const struct file_operations flash_debugfs_fops = {
1658         .owner   = THIS_MODULE,
1659         .open    = mem_open,
1660         .read    = flash_read,
1661         .llseek  = default_llseek,
1662 };
1663 
1664 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1665 {
1666         *mask = x | y;
1667         y = (__force u64)cpu_to_be64(y);
1668         memcpy(addr, (char *)&y + 2, ETH_ALEN);
1669 }
1670 
1671 static int mps_tcam_show(struct seq_file *seq, void *v)
1672 {
1673         struct adapter *adap = seq->private;
1674         unsigned int chip_ver = CHELSIO_CHIP_VERSION(adap->params.chip);
1675         if (v == SEQ_START_TOKEN) {
1676                 if (chip_ver > CHELSIO_T5) {
1677                         seq_puts(seq, "Idx  Ethernet address     Mask     "
1678                                  "  VNI   Mask   IVLAN Vld "
1679                                  "DIP_Hit   Lookup  Port "
1680                                  "Vld Ports PF  VF                           "
1681                                  "Replication                                "
1682                                  "    P0 P1 P2 P3  ML\n");
1683                 } else {
1684                         if (adap->params.arch.mps_rplc_size > 128)
1685                                 seq_puts(seq, "Idx  Ethernet address     Mask     "
1686                                          "Vld Ports PF  VF                           "
1687                                          "Replication                                "
1688                                          "    P0 P1 P2 P3  ML\n");
1689                         else
1690                                 seq_puts(seq, "Idx  Ethernet address     Mask     "
1691                                          "Vld Ports PF  VF              Replication"
1692                                          "               P0 P1 P2 P3  ML\n");
1693                 }
1694         } else {
1695                 u64 mask;
1696                 u8 addr[ETH_ALEN];
1697                 bool replicate, dip_hit = false, vlan_vld = false;
1698                 unsigned int idx = (uintptr_t)v - 2;
1699                 u64 tcamy, tcamx, val;
1700                 u32 cls_lo, cls_hi, ctl, data2, vnix = 0, vniy = 0;
1701                 u32 rplc[8] = {0};
1702                 u8 lookup_type = 0, port_num = 0;
1703                 u16 ivlan = 0;
1704 
1705                 if (chip_ver > CHELSIO_T5) {
1706                         /* CtlCmdType - 0: Read, 1: Write
1707                          * CtlTcamSel - 0: TCAM0, 1: TCAM1
1708                          * CtlXYBitSel- 0: Y bit, 1: X bit
1709                          */
1710 
1711                         /* Read tcamy */
1712                         ctl = CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0);
1713                         if (idx < 256)
1714                                 ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0);
1715                         else
1716                                 ctl |= CTLTCAMINDEX_V(idx - 256) |
1717                                        CTLTCAMSEL_V(1);
1718                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1719                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1720                         tcamy = DMACH_G(val) << 32;
1721                         tcamy |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1722                         data2 = t4_read_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A);
1723                         lookup_type = DATALKPTYPE_G(data2);
1724                         /* 0 - Outer header, 1 - Inner header
1725                          * [71:48] bit locations are overloaded for
1726                          * outer vs. inner lookup types.
1727                          */
1728                         if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1729                                 /* Inner header VNI */
1730                                 vniy = (data2 & DATAVIDH2_F) |
1731                                        (DATAVIDH1_G(data2) << 16) | VIDL_G(val);
1732                                 dip_hit = data2 & DATADIPHIT_F;
1733                         } else {
1734                                 vlan_vld = data2 & DATAVIDH2_F;
1735                                 ivlan = VIDL_G(val);
1736                         }
1737                         port_num = DATAPORTNUM_G(data2);
1738 
1739                         /* Read tcamx. Change the control param */
1740                         vnix = 0;
1741                         ctl |= CTLXYBITSEL_V(1);
1742                         t4_write_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
1743                         val = t4_read_reg(adap, MPS_CLS_TCAM_DATA1_A);
1744                         tcamx = DMACH_G(val) << 32;
1745                         tcamx |= t4_read_reg(adap, MPS_CLS_TCAM_DATA0_A);
1746                         data2 = t4_read_reg(adap, MPS_CLS_TCAM_DATA2_CTL_A);
1747                         if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1748                                 /* Inner header VNI mask */
1749                                 vnix = (data2 & DATAVIDH2_F) |
1750                                        (DATAVIDH1_G(data2) << 16) | VIDL_G(val);
1751                         }
1752                 } else {
1753                         tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1754                         tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1755                 }
1756 
1757                 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1758                 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1759 
1760                 if (tcamx & tcamy) {
1761                         seq_printf(seq, "%3u         -\n", idx);
1762                         goto out;
1763                 }
1764 
1765                 rplc[0] = rplc[1] = rplc[2] = rplc[3] = 0;
1766                 if (chip_ver > CHELSIO_T5)
1767                         replicate = (cls_lo & T6_REPLICATE_F);
1768                 else
1769                         replicate = (cls_lo & REPLICATE_F);
1770 
1771                 if (replicate) {
1772                         struct fw_ldst_cmd ldst_cmd;
1773                         int ret;
1774                         struct fw_ldst_mps_rplc mps_rplc;
1775                         u32 ldst_addrspc;
1776 
1777                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1778                         ldst_addrspc =
1779                                 FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS);
1780                         ldst_cmd.op_to_addrspace =
1781                                 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1782                                       FW_CMD_REQUEST_F |
1783                                       FW_CMD_READ_F |
1784                                       ldst_addrspc);
1785                         ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1786                         ldst_cmd.u.mps.rplc.fid_idx =
1787                                 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1788                                       FW_LDST_CMD_IDX_V(idx));
1789                         ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1790                                          sizeof(ldst_cmd), &ldst_cmd);
1791                         if (ret)
1792                                 dev_warn(adap->pdev_dev, "Can't read MPS "
1793                                          "replication map for idx %d: %d\n",
1794                                          idx, -ret);
1795                         else {
1796                                 mps_rplc = ldst_cmd.u.mps.rplc;
1797                                 rplc[0] = ntohl(mps_rplc.rplc31_0);
1798                                 rplc[1] = ntohl(mps_rplc.rplc63_32);
1799                                 rplc[2] = ntohl(mps_rplc.rplc95_64);
1800                                 rplc[3] = ntohl(mps_rplc.rplc127_96);
1801                                 if (adap->params.arch.mps_rplc_size > 128) {
1802                                         rplc[4] = ntohl(mps_rplc.rplc159_128);
1803                                         rplc[5] = ntohl(mps_rplc.rplc191_160);
1804                                         rplc[6] = ntohl(mps_rplc.rplc223_192);
1805                                         rplc[7] = ntohl(mps_rplc.rplc255_224);
1806                                 }
1807                         }
1808                 }
1809 
1810                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1811                 if (chip_ver > CHELSIO_T5) {
1812                         /* Inner header lookup */
1813                         if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
1814                                 seq_printf(seq,
1815                                            "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1816                                            "%012llx %06x %06x    -    -   %3c"
1817                                            "      'I'  %4x   "
1818                                            "%3c   %#x%4u%4d", idx, addr[0],
1819                                            addr[1], addr[2], addr[3],
1820                                            addr[4], addr[5],
1821                                            (unsigned long long)mask,
1822                                            vniy, (vnix | vniy),
1823                                            dip_hit ? 'Y' : 'N',
1824                                            port_num,
1825                                            (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1826                                            PORTMAP_G(cls_hi),
1827                                            T6_PF_G(cls_lo),
1828                                            (cls_lo & T6_VF_VALID_F) ?
1829                                            T6_VF_G(cls_lo) : -1);
1830                         } else {
1831                                 seq_printf(seq,
1832                                            "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1833                                            "%012llx    -       -   ",
1834                                            idx, addr[0], addr[1], addr[2],
1835                                            addr[3], addr[4], addr[5],
1836                                            (unsigned long long)mask);
1837 
1838                                 if (vlan_vld)
1839                                         seq_printf(seq, "%4u   Y     ", ivlan);
1840                                 else
1841                                         seq_puts(seq, "  -    N     ");
1842 
1843                                 seq_printf(seq,
1844                                            "-      %3c  %4x   %3c   %#x%4u%4d",
1845                                            lookup_type ? 'I' : 'O', port_num,
1846                                            (cls_lo & T6_SRAM_VLD_F) ? 'Y' : 'N',
1847                                            PORTMAP_G(cls_hi),
1848                                            T6_PF_G(cls_lo),
1849                                            (cls_lo & T6_VF_VALID_F) ?
1850                                            T6_VF_G(cls_lo) : -1);
1851                         }
1852                 } else
1853                         seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
1854                                    "%012llx%3c   %#x%4u%4d",
1855                                    idx, addr[0], addr[1], addr[2], addr[3],
1856                                    addr[4], addr[5], (unsigned long long)mask,
1857                                    (cls_lo & SRAM_VLD_F) ? 'Y' : 'N',
1858                                    PORTMAP_G(cls_hi),
1859                                    PF_G(cls_lo),
1860                                    (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1861 
1862                 if (replicate) {
1863                         if (adap->params.arch.mps_rplc_size > 128)
1864                                 seq_printf(seq, " %08x %08x %08x %08x "
1865                                            "%08x %08x %08x %08x",
1866                                            rplc[7], rplc[6], rplc[5], rplc[4],
1867                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1868                         else
1869                                 seq_printf(seq, " %08x %08x %08x %08x",
1870                                            rplc[3], rplc[2], rplc[1], rplc[0]);
1871                 } else {
1872                         if (adap->params.arch.mps_rplc_size > 128)
1873                                 seq_printf(seq, "%72c", ' ');
1874                         else
1875                                 seq_printf(seq, "%36c", ' ');
1876                 }
1877 
1878                 if (chip_ver > CHELSIO_T5)
1879                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1880                                    T6_SRAM_PRIO0_G(cls_lo),
1881                                    T6_SRAM_PRIO1_G(cls_lo),
1882                                    T6_SRAM_PRIO2_G(cls_lo),
1883                                    T6_SRAM_PRIO3_G(cls_lo),
1884                                    (cls_lo >> T6_MULTILISTEN0_S) & 0xf);
1885                 else
1886                         seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1887                                    SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1888                                    SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1889                                    (cls_lo >> MULTILISTEN0_S) & 0xf);
1890         }
1891 out:    return 0;
1892 }
1893 
1894 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1895 {
1896         struct adapter *adap = seq->private;
1897         int max_mac_addr = is_t4(adap->params.chip) ?
1898                                 NUM_MPS_CLS_SRAM_L_INSTANCES :
1899                                 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1900         return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1901 }
1902 
1903 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1904 {
1905         return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1906 }
1907 
1908 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1909 {
1910         ++*pos;
1911         return mps_tcam_get_idx(seq, *pos);
1912 }
1913 
1914 static void mps_tcam_stop(struct seq_file *seq, void *v)
1915 {
1916 }
1917 
1918 static const struct seq_operations mps_tcam_seq_ops = {
1919         .start = mps_tcam_start,
1920         .next  = mps_tcam_next,
1921         .stop  = mps_tcam_stop,
1922         .show  = mps_tcam_show
1923 };
1924 
1925 static int mps_tcam_open(struct inode *inode, struct file *file)
1926 {
1927         int res = seq_open(file, &mps_tcam_seq_ops);
1928 
1929         if (!res) {
1930                 struct seq_file *seq = file->private_data;
1931 
1932                 seq->private = inode->i_private;
1933         }
1934         return res;
1935 }
1936 
1937 static const struct file_operations mps_tcam_debugfs_fops = {
1938         .owner   = THIS_MODULE,
1939         .open    = mps_tcam_open,
1940         .read    = seq_read,
1941         .llseek  = seq_lseek,
1942         .release = seq_release,
1943 };
1944 
1945 /* Display various sensor information.
1946  */
1947 static int sensors_show(struct seq_file *seq, void *v)
1948 {
1949         struct adapter *adap = seq->private;
1950         u32 param[7], val[7];
1951         int ret;
1952 
1953         /* Note that if the sensors haven't been initialized and turned on
1954          * we'll get values of 0, so treat those as "<unknown>" ...
1955          */
1956         param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1957                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1958                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1959         param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1960                     FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1961                     FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1962         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
1963                               param, val);
1964 
1965         if (ret < 0 || val[0] == 0)
1966                 seq_puts(seq, "Temperature: <unknown>\n");
1967         else
1968                 seq_printf(seq, "Temperature: %dC\n", val[0]);
1969 
1970         if (ret < 0 || val[1] == 0)
1971                 seq_puts(seq, "Core VDD:    <unknown>\n");
1972         else
1973                 seq_printf(seq, "Core VDD:    %dmV\n", val[1]);
1974 
1975         return 0;
1976 }
1977 DEFINE_SHOW_ATTRIBUTE(sensors);
1978 
1979 #if IS_ENABLED(CONFIG_IPV6)
1980 DEFINE_SHOW_ATTRIBUTE(clip_tbl);
1981 #endif
1982 
1983 /*RSS Table.
1984  */
1985 
1986 static int rss_show(struct seq_file *seq, void *v, int idx)
1987 {
1988         u16 *entry = v;
1989 
1990         seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
1991                    idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1992                    entry[5], entry[6], entry[7]);
1993         return 0;
1994 }
1995 
1996 static int rss_open(struct inode *inode, struct file *file)
1997 {
1998         struct adapter *adap = inode->i_private;
1999         int ret, nentries;
2000         struct seq_tab *p;
2001 
2002         nentries = t4_chip_rss_size(adap);
2003         p = seq_open_tab(file, nentries / 8, 8 * sizeof(u16), 0, rss_show);
2004         if (!p)
2005                 return -ENOMEM;
2006 
2007         ret = t4_read_rss(adap, (u16 *)p->data);
2008         if (ret)
2009                 seq_release_private(inode, file);
2010 
2011         return ret;
2012 }
2013 
2014 static const struct file_operations rss_debugfs_fops = {
2015         .owner   = THIS_MODULE,
2016         .open    = rss_open,
2017         .read    = seq_read,
2018         .llseek  = seq_lseek,
2019         .release = seq_release_private
2020 };
2021 
2022 /* RSS Configuration.
2023  */
2024 
2025 /* Small utility function to return the strings "yes" or "no" if the supplied
2026  * argument is non-zero.
2027  */
2028 static const char *yesno(int x)
2029 {
2030         static const char *yes = "yes";
2031         static const char *no = "no";
2032 
2033         return x ? yes : no;
2034 }
2035 
2036 static int rss_config_show(struct seq_file *seq, void *v)
2037 {
2038         struct adapter *adapter = seq->private;
2039         static const char * const keymode[] = {
2040                 "global",
2041                 "global and per-VF scramble",
2042                 "per-PF and per-VF scramble",
2043                 "per-VF and per-VF scramble",
2044         };
2045         u32 rssconf;
2046 
2047         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
2048         seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
2049         seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
2050                                                         TNL4TUPENIPV6_F));
2051         seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
2052                                                         TNL2TUPENIPV6_F));
2053         seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
2054                                                         TNL4TUPENIPV4_F));
2055         seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
2056                                                         TNL2TUPENIPV4_F));
2057         seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
2058         seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
2059         seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
2060         seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
2061         seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
2062                                                         OFDHASHSAVE_F));
2063         seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
2064         seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
2065         seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
2066         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
2067                                                         SYN4TUPENIPV6_F));
2068         seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
2069                                                         SYN2TUPENIPV6_F));
2070         seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
2071                                                         SYN4TUPENIPV4_F));
2072         seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
2073                                                         SYN2TUPENIPV4_F));
2074         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
2075                                                         SYN4TUPENIPV6_F));
2076         seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
2077         seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
2078         seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
2079         seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
2080         seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
2081                                                         CHANNELENABLE_F));
2082         seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
2083                                                         PORTENABLE_F));
2084         seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
2085                                                         TNLALLLOOKUP_F));
2086         seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
2087                                                         VIRTENABLE_F));
2088         seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
2089                                                         CONGESTIONENABLE_F));
2090         seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
2091                                                         HASHTOEPLITZ_F));
2092         seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
2093         seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
2094 
2095         seq_puts(seq, "\n");
2096 
2097         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
2098         seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
2099         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2100         seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
2101         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
2102                 seq_printf(seq, "  HashAll:     %3s\n",
2103                            yesno(rssconf & HASHALL_F));
2104                 seq_printf(seq, "  HashEth:     %3s\n",
2105                            yesno(rssconf & HASHETH_F));
2106         }
2107         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
2108 
2109         seq_puts(seq, "\n");
2110 
2111         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
2112         seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
2113         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2114         seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
2115                                                         RRCPLMAPEN_F));
2116         seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
2117 
2118         seq_puts(seq, "\n");
2119 
2120         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
2121         seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
2122         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
2123         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
2124 
2125         seq_puts(seq, "\n");
2126 
2127         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
2128         seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
2129         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
2130                 seq_printf(seq, "  KeyWrAddrX:     %3d\n",
2131                            KEYWRADDRX_G(rssconf));
2132                 seq_printf(seq, "  KeyExtend:      %3s\n",
2133                            yesno(rssconf & KEYEXTEND_F));
2134         }
2135         seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
2136         seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
2137         seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
2138         seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
2139         seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
2140                                                         DISABLEVLAN_F));
2141         seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
2142         seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
2143         if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
2144                 seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
2145         else
2146                 seq_printf(seq, "  VfWrAddr:      %3d\n",
2147                            T6_VFWRADDR_G(rssconf));
2148         seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
2149         seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
2150         seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
2151         seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
2152 
2153         seq_puts(seq, "\n");
2154 
2155         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
2156         seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
2157         seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
2158         seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
2159         seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
2160         seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
2161         seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
2162                                                         CHNUNDFLOW3_F));
2163         seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
2164                                                         CHNUNDFLOW2_F));
2165         seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
2166                                                         CHNUNDFLOW1_F));
2167         seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
2168                                                         CHNUNDFLOW0_F));
2169         seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
2170         seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
2171         seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
2172         seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
2173         seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
2174         seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
2175         seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
2176         seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
2177         seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
2178         seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
2179         seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
2180 
2181         return 0;
2182 }
2183 DEFINE_SHOW_ATTRIBUTE(rss_config);
2184 
2185 /* RSS Secret Key.
2186  */
2187 
2188 static int rss_key_show(struct seq_file *seq, void *v)
2189 {
2190         u32 key[10];
2191 
2192         t4_read_rss_key(seq->private, key, true);
2193         seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
2194                    key[9], key[8], key[7], key[6], key[5], key[4], key[3],
2195                    key[2], key[1], key[0]);
2196         return 0;
2197 }
2198 
2199 static int rss_key_open(struct inode *inode, struct file *file)
2200 {
2201         return single_open(file, rss_key_show, inode->i_private);
2202 }
2203 
2204 static ssize_t rss_key_write(struct file *file, const char __user *buf,
2205                              size_t count, loff_t *pos)
2206 {
2207         int i, j;
2208         u32 key[10];
2209         char s[100], *p;
2210         struct adapter *adap = file_inode(file)->i_private;
2211 
2212         if (count > sizeof(s) - 1)
2213                 return -EINVAL;
2214         if (copy_from_user(s, buf, count))
2215                 return -EFAULT;
2216         for (i = count; i > 0 && isspace(s[i - 1]); i--)
2217                 ;
2218         s[i] = '\0';
2219 
2220         for (p = s, i = 9; i >= 0; i--) {
2221                 key[i] = 0;
2222                 for (j = 0; j < 8; j++, p++) {
2223                         if (!isxdigit(*p))
2224                                 return -EINVAL;
2225                         key[i] = (key[i] << 4) | hex2val(*p);
2226                 }
2227         }
2228 
2229         t4_write_rss_key(adap, key, -1, true);
2230         return count;
2231 }
2232 
2233 static const struct file_operations rss_key_debugfs_fops = {
2234         .owner   = THIS_MODULE,
2235         .open    = rss_key_open,
2236         .read    = seq_read,
2237         .llseek  = seq_lseek,
2238         .release = single_release,
2239         .write   = rss_key_write
2240 };
2241 
2242 /* PF RSS Configuration.
2243  */
2244 
2245 struct rss_pf_conf {
2246         u32 rss_pf_map;
2247         u32 rss_pf_mask;
2248         u32 rss_pf_config;
2249 };
2250 
2251 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
2252 {
2253         struct rss_pf_conf *pfconf;
2254 
2255         if (v == SEQ_START_TOKEN) {
2256                 /* use the 0th entry to dump the PF Map Index Size */
2257                 pfconf = seq->private + offsetof(struct seq_tab, data);
2258                 seq_printf(seq, "PF Map Index Size = %d\n\n",
2259                            LKPIDXSIZE_G(pfconf->rss_pf_map));
2260 
2261                 seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
2262                 seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
2263                 seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
2264         } else {
2265                 #define G_PFnLKPIDX(map, n) \
2266                         (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
2267                 #define G_PFnMSKSIZE(mask, n) \
2268                         (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
2269 
2270                 pfconf = v;
2271                 seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
2272                            idx,
2273                            yesno(pfconf->rss_pf_config & MAPENABLE_F),
2274                            yesno(pfconf->rss_pf_config & CHNENABLE_F),
2275                            yesno(pfconf->rss_pf_config & PRTENABLE_F),
2276                            G_PFnLKPIDX(pfconf->rss_pf_map, idx),
2277                            G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
2278                            IVFWIDTH_G(pfconf->rss_pf_config),
2279                            yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
2280                            yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
2281                            yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
2282                            yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
2283                            yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
2284                            CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
2285                            CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
2286 
2287                 #undef G_PFnLKPIDX
2288                 #undef G_PFnMSKSIZE
2289         }
2290         return 0;
2291 }
2292 
2293 static int rss_pf_config_open(struct inode *inode, struct file *file)
2294 {
2295         struct adapter *adapter = inode->i_private;
2296         struct seq_tab *p;
2297         u32 rss_pf_map, rss_pf_mask;
2298         struct rss_pf_conf *pfconf;
2299         int pf;
2300 
2301         p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
2302         if (!p)
2303                 return -ENOMEM;
2304 
2305         pfconf = (struct rss_pf_conf *)p->data;
2306         rss_pf_map = t4_read_rss_pf_map(adapter, true);
2307         rss_pf_mask = t4_read_rss_pf_mask(adapter, true);
2308         for (pf = 0; pf < 8; pf++) {
2309                 pfconf[pf].rss_pf_map = rss_pf_map;
2310                 pfconf[pf].rss_pf_mask = rss_pf_mask;
2311                 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config,
2312                                       true);
2313         }
2314         return 0;
2315 }
2316 
2317 static const struct file_operations rss_pf_config_debugfs_fops = {
2318         .owner   = THIS_MODULE,
2319         .open    = rss_pf_config_open,
2320         .read    = seq_read,
2321         .llseek  = seq_lseek,
2322         .release = seq_release_private
2323 };
2324 
2325 /* VF RSS Configuration.
2326  */
2327 
2328 struct rss_vf_conf {
2329         u32 rss_vf_vfl;
2330         u32 rss_vf_vfh;
2331 };
2332 
2333 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
2334 {
2335         if (v == SEQ_START_TOKEN) {
2336                 seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
2337                 seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
2338                 seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
2339         } else {
2340                 struct rss_vf_conf *vfconf = v;
2341 
2342                 seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
2343                            idx,
2344                            yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
2345                            yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
2346                            VFLKPIDX_G(vfconf->rss_vf_vfh),
2347                            yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
2348                            yesno(vfconf->rss_vf_vfh & VFUPEN_F),
2349                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2350                            yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
2351                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
2352                            yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
2353                            yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
2354                            DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
2355                            KEYINDEX_G(vfconf->rss_vf_vfh),
2356                            vfconf->rss_vf_vfl);
2357         }
2358         return 0;
2359 }
2360 
2361 static int rss_vf_config_open(struct inode *inode, struct file *file)
2362 {
2363         struct adapter *adapter = inode->i_private;
2364         struct seq_tab *p;
2365         struct rss_vf_conf *vfconf;
2366         int vf, vfcount = adapter->params.arch.vfcount;
2367 
2368         p = seq_open_tab(file, vfcount, sizeof(*vfconf), 1, rss_vf_config_show);
2369         if (!p)
2370                 return -ENOMEM;
2371 
2372         vfconf = (struct rss_vf_conf *)p->data;
2373         for (vf = 0; vf < vfcount; vf++) {
2374                 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
2375                                       &vfconf[vf].rss_vf_vfh, true);
2376         }
2377         return 0;
2378 }
2379 
2380 static const struct file_operations rss_vf_config_debugfs_fops = {
2381         .owner   = THIS_MODULE,
2382         .open    = rss_vf_config_open,
2383         .read    = seq_read,
2384         .llseek  = seq_lseek,
2385         .release = seq_release_private
2386 };
2387 
2388 #ifdef CONFIG_CHELSIO_T4_DCB
2389 extern char *dcb_ver_array[];
2390 
2391 /* Data Center Briging information for each port.
2392  */
2393 static int dcb_info_show(struct seq_file *seq, void *v)
2394 {
2395         struct adapter *adap = seq->private;
2396 
2397         if (v == SEQ_START_TOKEN) {
2398                 seq_puts(seq, "Data Center Bridging Information\n");
2399         } else {
2400                 int port = (uintptr_t)v - 2;
2401                 struct net_device *dev = adap->port[port];
2402                 struct port_info *pi = netdev2pinfo(dev);
2403                 struct port_dcb_info *dcb = &pi->dcb;
2404 
2405                 seq_puts(seq, "\n");
2406                 seq_printf(seq, "Port: %d (DCB negotiated: %s)\n",
2407                            port,
2408                            cxgb4_dcb_enabled(dev) ? "yes" : "no");
2409 
2410                 if (cxgb4_dcb_enabled(dev))
2411                         seq_printf(seq, "[ DCBx Version %s ]\n",
2412                                    dcb_ver_array[dcb->dcb_version]);
2413 
2414                 if (dcb->msgs) {
2415                         int i;
2416 
2417                         seq_puts(seq, "\n  Index\t\t\t  :\t");
2418                         for (i = 0; i < 8; i++)
2419                                 seq_printf(seq, " %3d", i);
2420                         seq_puts(seq, "\n\n");
2421                 }
2422 
2423                 if (dcb->msgs & CXGB4_DCB_FW_PGID) {
2424                         int prio, pgid;
2425 
2426                         seq_puts(seq, "  Priority Group IDs\t  :\t");
2427                         for (prio = 0; prio < 8; prio++) {
2428                                 pgid = (dcb->pgid >> 4 * (7 - prio)) & 0xf;
2429                                 seq_printf(seq, " %3d", pgid);
2430                         }
2431                         seq_puts(seq, "\n");
2432                 }
2433 
2434                 if (dcb->msgs & CXGB4_DCB_FW_PGRATE) {
2435                         int pg;
2436 
2437                         seq_puts(seq, "  Priority Group BW(%)\t  :\t");
2438                         for (pg = 0; pg < 8; pg++)
2439                                 seq_printf(seq, " %3d", dcb->pgrate[pg]);
2440                         seq_puts(seq, "\n");
2441 
2442                         if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) {
2443                                 seq_puts(seq, "  TSA Algorithm\t\t  :\t");
2444                                 for (pg = 0; pg < 8; pg++)
2445                                         seq_printf(seq, " %3d", dcb->tsa[pg]);
2446                                 seq_puts(seq, "\n");
2447                         }
2448 
2449                         seq_printf(seq, "  Max PG Traffic Classes  [%3d  ]\n",
2450                                    dcb->pg_num_tcs_supported);
2451 
2452                         seq_puts(seq, "\n");
2453                 }
2454 
2455                 if (dcb->msgs & CXGB4_DCB_FW_PRIORATE) {
2456                         int prio;
2457 
2458                         seq_puts(seq, "  Priority Rate\t:\t");
2459                         for (prio = 0; prio < 8; prio++)
2460                                 seq_printf(seq, " %3d", dcb->priorate[prio]);
2461                         seq_puts(seq, "\n");
2462                 }
2463 
2464                 if (dcb->msgs & CXGB4_DCB_FW_PFC) {
2465                         int prio;
2466 
2467                         seq_puts(seq, "  Priority Flow Control   :\t");
2468                         for (prio = 0; prio < 8; prio++) {
2469                                 int pfcen = (dcb->pfcen >> 1 * (7 - prio))
2470                                             & 0x1;
2471                                 seq_printf(seq, " %3d", pfcen);
2472                         }
2473                         seq_puts(seq, "\n");
2474 
2475                         seq_printf(seq, "  Max PFC Traffic Classes [%3d  ]\n",
2476                                    dcb->pfc_num_tcs_supported);
2477 
2478                         seq_puts(seq, "\n");
2479                 }
2480 
2481                 if (dcb->msgs & CXGB4_DCB_FW_APP_ID) {
2482                         int app, napps;
2483 
2484                         seq_puts(seq, "  Application Information:\n");
2485                         seq_puts(seq, "  App    Priority    Selection         Protocol\n");
2486                         seq_puts(seq, "  Index  Map         Field             ID\n");
2487                         for (app = 0, napps = 0;
2488                              app < CXGB4_MAX_DCBX_APP_SUPPORTED; app++) {
2489                                 struct app_priority *ap;
2490                                 static const char * const sel_names[] = {
2491                                         "Ethertype",
2492                                         "Socket TCP",
2493                                         "Socket UDP",
2494                                         "Socket All",
2495                                 };
2496                                 const char *sel_name;
2497 
2498                                 ap = &dcb->app_priority[app];
2499                                 /* skip empty slots */
2500                                 if (ap->protocolid == 0)
2501                                         continue;
2502                                 napps++;
2503 
2504                                 if (ap->sel_field < ARRAY_SIZE(sel_names))
2505                                         sel_name = sel_names[ap->sel_field];
2506                                 else
2507                                         sel_name = "UNKNOWN";
2508 
2509                                 seq_printf(seq, "  %3d    %#04x        %-10s (%d)    %#06x (%d)\n",
2510                                            app,
2511                                            ap->user_prio_map,
2512                                            sel_name, ap->sel_field,
2513                                            ap->protocolid, ap->protocolid);
2514                         }
2515                         if (napps == 0)
2516                                 seq_puts(seq, "    --- None ---\n");
2517                 }
2518         }
2519         return 0;
2520 }
2521 
2522 static inline void *dcb_info_get_idx(struct adapter *adap, loff_t pos)
2523 {
2524         return (pos <= adap->params.nports
2525                 ? (void *)((uintptr_t)pos + 1)
2526                 : NULL);
2527 }
2528 
2529 static void *dcb_info_start(struct seq_file *seq, loff_t *pos)
2530 {
2531         struct adapter *adap = seq->private;
2532 
2533         return (*pos
2534                 ? dcb_info_get_idx(adap, *pos)
2535                 : SEQ_START_TOKEN);
2536 }
2537 
2538 static void dcb_info_stop(struct seq_file *seq, void *v)
2539 {
2540 }
2541 
2542 static void *dcb_info_next(struct seq_file *seq, void *v, loff_t *pos)
2543 {
2544         struct adapter *adap = seq->private;
2545 
2546         (*pos)++;
2547         return dcb_info_get_idx(adap, *pos);
2548 }
2549 
2550 static const struct seq_operations dcb_info_seq_ops = {
2551         .start = dcb_info_start,
2552         .next  = dcb_info_next,
2553         .stop  = dcb_info_stop,
2554         .show  = dcb_info_show
2555 };
2556 
2557 static int dcb_info_open(struct inode *inode, struct file *file)
2558 {
2559         int res = seq_open(file, &dcb_info_seq_ops);
2560 
2561         if (!res) {
2562                 struct seq_file *seq = file->private_data;
2563 
2564                 seq->private = inode->i_private;
2565         }
2566         return res;
2567 }
2568 
2569 static const struct file_operations dcb_info_debugfs_fops = {
2570         .owner   = THIS_MODULE,
2571         .open    = dcb_info_open,
2572         .read    = seq_read,
2573         .llseek  = seq_lseek,
2574         .release = seq_release,
2575 };
2576 #endif /* CONFIG_CHELSIO_T4_DCB */
2577 
2578 static int resources_show(struct seq_file *seq, void *v)
2579 {
2580         struct adapter *adapter = seq->private;
2581         struct pf_resources *pfres = &adapter->params.pfres;
2582 
2583         #define S(desc, fmt, var) \
2584                 seq_printf(seq, "%-60s " fmt "\n", \
2585                            desc " (" #var "):", pfres->var)
2586 
2587         S("Virtual Interfaces", "%d", nvi);
2588         S("Egress Queues", "%d", neq);
2589         S("Ethernet Control", "%d", nethctrl);
2590         S("Ingress Queues/w Free Lists/Interrupts", "%d", niqflint);
2591         S("Ingress Queues", "%d", niq);
2592         S("Traffic Class", "%d", tc);
2593         S("Port Access Rights Mask", "%#x", pmask);
2594         S("MAC Address Filters", "%d", nexactf);
2595         S("Firmware Command Read Capabilities", "%#x", r_caps);
2596         S("Firmware Command Write/Execute Capabilities", "%#x", wx_caps);
2597 
2598         #undef S
2599 
2600         return 0;
2601 }
2602 DEFINE_SHOW_ATTRIBUTE(resources);
2603 
2604 /**
2605  * ethqset2pinfo - return port_info of an Ethernet Queue Set
2606  * @adap: the adapter
2607  * @qset: Ethernet Queue Set
2608  */
2609 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
2610 {
2611         int pidx;
2612 
2613         for_each_port(adap, pidx) {
2614                 struct port_info *pi = adap2pinfo(adap, pidx);
2615 
2616                 if (qset >= pi->first_qset &&
2617                     qset < pi->first_qset + pi->nqsets)
2618                         return pi;
2619         }
2620 
2621         /* should never happen! */
2622         BUG();
2623         return NULL;
2624 }
2625 
2626 static int sge_qinfo_uld_txq_entries(const struct adapter *adap, int uld)
2627 {
2628         const struct sge_uld_txq_info *utxq_info = adap->sge.uld_txq_info[uld];
2629 
2630         if (!utxq_info)
2631                 return 0;
2632 
2633         return DIV_ROUND_UP(utxq_info->ntxq, 4);
2634 }
2635 
2636 static int sge_qinfo_uld_rspq_entries(const struct adapter *adap, int uld,
2637                                       bool ciq)
2638 {
2639         const struct sge_uld_rxq_info *urxq_info = adap->sge.uld_rxq_info[uld];
2640 
2641         if (!urxq_info)
2642                 return 0;
2643 
2644         return ciq ? DIV_ROUND_UP(urxq_info->nciq, 4) :
2645                      DIV_ROUND_UP(urxq_info->nrxq, 4);
2646 }
2647 
2648 static int sge_qinfo_uld_rxq_entries(const struct adapter *adap, int uld)
2649 {
2650         return sge_qinfo_uld_rspq_entries(adap, uld, false);
2651 }
2652 
2653 static int sge_qinfo_uld_ciq_entries(const struct adapter *adap, int uld)
2654 {
2655         return sge_qinfo_uld_rspq_entries(adap, uld, true);
2656 }
2657 
2658 static int sge_qinfo_show(struct seq_file *seq, void *v)
2659 {
2660         int uld_rxq_entries[CXGB4_ULD_MAX] = { 0 };
2661         int uld_ciq_entries[CXGB4_ULD_MAX] = { 0 };
2662         int uld_txq_entries[CXGB4_TX_MAX] = { 0 };
2663         const struct sge_uld_txq_info *utxq_info;
2664         const struct sge_uld_rxq_info *urxq_info;
2665         struct adapter *adap = seq->private;
2666         int i, n, r = (uintptr_t)v - 1;
2667         int eth_entries, ctrl_entries;
2668         struct sge *s = &adap->sge;
2669 
2670         eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
2671         ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
2672 
2673         mutex_lock(&uld_mutex);
2674         if (s->uld_txq_info)
2675                 for (i = 0; i < ARRAY_SIZE(uld_txq_entries); i++)
2676                         uld_txq_entries[i] = sge_qinfo_uld_txq_entries(adap, i);
2677 
2678         if (s->uld_rxq_info) {
2679                 for (i = 0; i < ARRAY_SIZE(uld_rxq_entries); i++) {
2680                         uld_rxq_entries[i] = sge_qinfo_uld_rxq_entries(adap, i);
2681                         uld_ciq_entries[i] = sge_qinfo_uld_ciq_entries(adap, i);
2682                 }
2683         }
2684 
2685         if (r)
2686                 seq_putc(seq, '\n');
2687 
2688 #define S3(fmt_spec, s, v) \
2689 do { \
2690         seq_printf(seq, "%-12s", s); \
2691         for (i = 0; i < n; ++i) \
2692                 seq_printf(seq, " %16" fmt_spec, v); \
2693                 seq_putc(seq, '\n'); \
2694 } while (0)
2695 #define S(s, v) S3("s", s, v)
2696 #define T3(fmt_spec, s, v) S3(fmt_spec, s, tx[i].v)
2697 #define T(s, v) S3("u", s, tx[i].v)
2698 #define TL(s, v) T3("lu", s, v)
2699 #define R3(fmt_spec, s, v) S3(fmt_spec, s, rx[i].v)
2700 #define R(s, v) S3("u", s, rx[i].v)
2701 #define RL(s, v) R3("lu", s, v)
2702 
2703         if (r < eth_entries) {
2704                 int base_qset = r * 4;
2705                 const struct sge_eth_rxq *rx = &s->ethrxq[base_qset];
2706                 const struct sge_eth_txq *tx = &s->ethtxq[base_qset];
2707 
2708                 n = min(4, s->ethqsets - 4 * r);
2709 
2710                 S("QType:", "Ethernet");
2711                 S("Interface:",
2712                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2713                 T("TxQ ID:", q.cntxt_id);
2714                 T("TxQ size:", q.size);
2715                 T("TxQ inuse:", q.in_use);
2716                 T("TxQ CIDX:", q.cidx);
2717                 T("TxQ PIDX:", q.pidx);
2718 #ifdef CONFIG_CHELSIO_T4_DCB
2719                 T("DCB Prio:", dcb_prio);
2720                 S3("u", "DCB PGID:",
2721                    (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
2722                     4*(7-tx[i].dcb_prio)) & 0xf);
2723                 S3("u", "DCB PFC:",
2724                    (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
2725                     1*(7-tx[i].dcb_prio)) & 0x1);
2726 #endif
2727                 R("RspQ ID:", rspq.abs_id);
2728                 R("RspQ size:", rspq.size);
2729                 R("RspQE size:", rspq.iqe_len);
2730                 R("RspQ CIDX:", rspq.cidx);
2731                 R("RspQ Gen:", rspq.gen);
2732                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2733                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2734                 R("FL ID:", fl.cntxt_id);
2735                 R("FL size:", fl.size - 8);
2736                 R("FL pend:", fl.pend_cred);
2737                 R("FL avail:", fl.avail);
2738                 R("FL PIDX:", fl.pidx);
2739                 R("FL CIDX:", fl.cidx);
2740                 RL("RxPackets:", stats.pkts);
2741                 RL("RxCSO:", stats.rx_cso);
2742                 RL("VLANxtract:", stats.vlan_ex);
2743                 RL("LROmerged:", stats.lro_merged);
2744                 RL("LROpackets:", stats.lro_pkts);
2745                 RL("RxDrops:", stats.rx_drops);
2746                 RL("RxBadPkts:", stats.bad_rx_pkts);
2747                 TL("TSO:", tso);
2748                 TL("TxCSO:", tx_cso);
2749                 TL("VLANins:", vlan_ins);
2750                 TL("TxQFull:", q.stops);
2751                 TL("TxQRestarts:", q.restarts);
2752                 TL("TxMapErr:", mapping_err);
2753                 RL("FLAllocErr:", fl.alloc_failed);
2754                 RL("FLLrgAlcErr:", fl.large_alloc_failed);
2755                 RL("FLMapErr:", fl.mapping_err);
2756                 RL("FLLow:", fl.low);
2757                 RL("FLStarving:", fl.starving);
2758 
2759                 goto unlock;
2760         }
2761 
2762         r -= eth_entries;
2763         if (r < uld_txq_entries[CXGB4_TX_OFLD]) {
2764                 const struct sge_uld_txq *tx;
2765 
2766                 utxq_info = s->uld_txq_info[CXGB4_TX_OFLD];
2767                 tx = &utxq_info->uldtxq[r * 4];
2768                 n = min(4, utxq_info->ntxq - 4 * r);
2769 
2770                 S("QType:", "OFLD-TXQ");
2771                 T("TxQ ID:", q.cntxt_id);
2772                 T("TxQ size:", q.size);
2773                 T("TxQ inuse:", q.in_use);
2774                 T("TxQ CIDX:", q.cidx);
2775                 T("TxQ PIDX:", q.pidx);
2776 
2777                 goto unlock;
2778         }
2779 
2780         r -= uld_txq_entries[CXGB4_TX_OFLD];
2781         if (r < uld_rxq_entries[CXGB4_ULD_RDMA]) {
2782                 const struct sge_ofld_rxq *rx;
2783 
2784                 urxq_info = s->uld_rxq_info[CXGB4_ULD_RDMA];
2785                 rx = &urxq_info->uldrxq[r * 4];
2786                 n = min(4, urxq_info->nrxq - 4 * r);
2787 
2788                 S("QType:", "RDMA-CPL");
2789                 S("Interface:",
2790                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2791                 R("RspQ ID:", rspq.abs_id);
2792                 R("RspQ size:", rspq.size);
2793                 R("RspQE size:", rspq.iqe_len);
2794                 R("RspQ CIDX:", rspq.cidx);
2795                 R("RspQ Gen:", rspq.gen);
2796                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2797                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2798                 R("FL ID:", fl.cntxt_id);
2799                 R("FL size:", fl.size - 8);
2800                 R("FL pend:", fl.pend_cred);
2801                 R("FL avail:", fl.avail);
2802                 R("FL PIDX:", fl.pidx);
2803                 R("FL CIDX:", fl.cidx);
2804 
2805                 goto unlock;
2806         }
2807 
2808         r -= uld_rxq_entries[CXGB4_ULD_RDMA];
2809         if (r < uld_ciq_entries[CXGB4_ULD_RDMA]) {
2810                 const struct sge_ofld_rxq *rx;
2811                 int ciq_idx = 0;
2812 
2813                 urxq_info = s->uld_rxq_info[CXGB4_ULD_RDMA];
2814                 ciq_idx = urxq_info->nrxq + (r * 4);
2815                 rx = &urxq_info->uldrxq[ciq_idx];
2816                 n = min(4, urxq_info->nciq - 4 * r);
2817 
2818                 S("QType:", "RDMA-CIQ");
2819                 S("Interface:",
2820                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
2821                 R("RspQ ID:", rspq.abs_id);
2822                 R("RspQ size:", rspq.size);
2823                 R("RspQE size:", rspq.iqe_len);
2824                 R("RspQ CIDX:", rspq.cidx);
2825                 R("RspQ Gen:", rspq.gen);
2826                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2827                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2828 
2829                 goto unlock;
2830         }
2831 
2832         r -= uld_ciq_entries[CXGB4_ULD_RDMA];
2833         if (r < uld_rxq_entries[CXGB4_ULD_ISCSI]) {
2834                 const struct sge_ofld_rxq *rx;
2835 
2836                 urxq_info = s->uld_rxq_info[CXGB4_ULD_ISCSI];
2837                 rx = &urxq_info->uldrxq[r * 4];
2838                 n = min(4, urxq_info->nrxq - 4 * r);
2839 
2840                 S("QType:", "iSCSI");
2841                 R("RspQ ID:", rspq.abs_id);
2842                 R("RspQ size:", rspq.size);
2843                 R("RspQE size:", rspq.iqe_len);
2844                 R("RspQ CIDX:", rspq.cidx);
2845                 R("RspQ Gen:", rspq.gen);
2846                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2847                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2848                 R("FL ID:", fl.cntxt_id);
2849                 R("FL size:", fl.size - 8);
2850                 R("FL pend:", fl.pend_cred);
2851                 R("FL avail:", fl.avail);
2852                 R("FL PIDX:", fl.pidx);
2853                 R("FL CIDX:", fl.cidx);
2854 
2855                 goto unlock;
2856         }
2857 
2858         r -= uld_rxq_entries[CXGB4_ULD_ISCSI];
2859         if (r < uld_rxq_entries[CXGB4_ULD_ISCSIT]) {
2860                 const struct sge_ofld_rxq *rx;
2861 
2862                 urxq_info = s->uld_rxq_info[CXGB4_ULD_ISCSIT];
2863                 rx = &urxq_info->uldrxq[r * 4];
2864                 n = min(4, urxq_info->nrxq - 4 * r);
2865 
2866                 S("QType:", "iSCSIT");
2867                 R("RspQ ID:", rspq.abs_id);
2868                 R("RspQ size:", rspq.size);
2869                 R("RspQE size:", rspq.iqe_len);
2870                 R("RspQ CIDX:", rspq.cidx);
2871                 R("RspQ Gen:", rspq.gen);
2872                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2873                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2874                 R("FL ID:", fl.cntxt_id);
2875                 R("FL size:", fl.size - 8);
2876                 R("FL pend:", fl.pend_cred);
2877                 R("FL avail:", fl.avail);
2878                 R("FL PIDX:", fl.pidx);
2879                 R("FL CIDX:", fl.cidx);
2880 
2881                 goto unlock;
2882         }
2883 
2884         r -= uld_rxq_entries[CXGB4_ULD_ISCSIT];
2885         if (r < uld_rxq_entries[CXGB4_ULD_TLS]) {
2886                 const struct sge_ofld_rxq *rx;
2887 
2888                 urxq_info = s->uld_rxq_info[CXGB4_ULD_TLS];
2889                 rx = &urxq_info->uldrxq[r * 4];
2890                 n = min(4, urxq_info->nrxq - 4 * r);
2891 
2892                 S("QType:", "TLS");
2893                 R("RspQ ID:", rspq.abs_id);
2894                 R("RspQ size:", rspq.size);
2895                 R("RspQE size:", rspq.iqe_len);
2896                 R("RspQ CIDX:", rspq.cidx);
2897                 R("RspQ Gen:", rspq.gen);
2898                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2899                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2900                 R("FL ID:", fl.cntxt_id);
2901                 R("FL size:", fl.size - 8);
2902                 R("FL pend:", fl.pend_cred);
2903                 R("FL avail:", fl.avail);
2904                 R("FL PIDX:", fl.pidx);
2905                 R("FL CIDX:", fl.cidx);
2906 
2907                 goto unlock;
2908         }
2909 
2910         r -= uld_rxq_entries[CXGB4_ULD_TLS];
2911         if (r < uld_txq_entries[CXGB4_TX_CRYPTO]) {
2912                 const struct sge_ofld_rxq *rx;
2913                 const struct sge_uld_txq *tx;
2914 
2915                 utxq_info = s->uld_txq_info[CXGB4_TX_CRYPTO];
2916                 urxq_info = s->uld_rxq_info[CXGB4_ULD_CRYPTO];
2917                 tx = &utxq_info->uldtxq[r * 4];
2918                 rx = &urxq_info->uldrxq[r * 4];
2919                 n = min(4, utxq_info->ntxq - 4 * r);
2920 
2921                 S("QType:", "Crypto");
2922                 T("TxQ ID:", q.cntxt_id);
2923                 T("TxQ size:", q.size);
2924                 T("TxQ inuse:", q.in_use);
2925                 T("TxQ CIDX:", q.cidx);
2926                 T("TxQ PIDX:", q.pidx);
2927                 R("RspQ ID:", rspq.abs_id);
2928                 R("RspQ size:", rspq.size);
2929                 R("RspQE size:", rspq.iqe_len);
2930                 R("RspQ CIDX:", rspq.cidx);
2931                 R("RspQ Gen:", rspq.gen);
2932                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
2933                 S3("u", "Intr pktcnt:", s->counter_val[rx[i].rspq.pktcnt_idx]);
2934                 R("FL ID:", fl.cntxt_id);
2935                 R("FL size:", fl.size - 8);
2936                 R("FL pend:", fl.pend_cred);
2937                 R("FL avail:", fl.avail);
2938                 R("FL PIDX:", fl.pidx);
2939                 R("FL CIDX:", fl.cidx);
2940 
2941                 goto unlock;
2942         }
2943 
2944         r -= uld_txq_entries[CXGB4_TX_CRYPTO];
2945         if (r < ctrl_entries) {
2946                 const struct sge_ctrl_txq *tx = &s->ctrlq[r * 4];
2947 
2948                 n = min(4, adap->params.nports - 4 * r);
2949 
2950                 S("QType:", "Control");
2951                 T("TxQ ID:", q.cntxt_id);
2952                 T("TxQ size:", q.size);
2953                 T("TxQ inuse:", q.in_use);
2954                 T("TxQ CIDX:", q.cidx);
2955                 T("TxQ PIDX:", q.pidx);
2956                 TL("TxQFull:", q.stops);
2957                 TL("TxQRestarts:", q.restarts);
2958 
2959                 goto unlock;
2960         }
2961 
2962         r -= ctrl_entries;
2963         if (r < 1) {
2964                 const struct sge_rspq *evtq = &s->fw_evtq;
2965 
2966                 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
2967                 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
2968                 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
2969                 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
2970                 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
2971                 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
2972                 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
2973                            qtimer_val(adap, evtq));
2974                 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
2975                            s->counter_val[evtq->pktcnt_idx]);
2976 
2977                 goto unlock;
2978         }
2979 
2980 unlock:
2981         mutex_unlock(&uld_mutex);
2982 #undef R
2983 #undef RL
2984 #undef T
2985 #undef TL
2986 #undef S
2987 #undef R3
2988 #undef T3
2989 #undef S3
2990         return 0;
2991 }
2992 
2993 static int sge_queue_entries(const struct adapter *adap)
2994 {
2995         int tot_uld_entries = 0;
2996         int i;
2997 
2998         if (!is_uld(adap))
2999                 goto lld_only;
3000 
3001         mutex_lock(&uld_mutex);
3002         for (i = 0; i < CXGB4_TX_MAX; i++)
3003                 tot_uld_entries += sge_qinfo_uld_txq_entries(adap, i);
3004 
3005         for (i = 0; i < CXGB4_ULD_MAX; i++) {
3006                 tot_uld_entries += sge_qinfo_uld_rxq_entries(adap, i);
3007                 tot_uld_entries += sge_qinfo_uld_ciq_entries(adap, i);
3008         }
3009         mutex_unlock(&uld_mutex);
3010 
3011 lld_only:
3012         return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
3013                tot_uld_entries +
3014                DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
3015 }
3016 
3017 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
3018 {
3019         int entries = sge_queue_entries(seq->private);
3020 
3021         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
3022 }
3023 
3024 static void sge_queue_stop(struct seq_file *seq, void *v)
3025 {
3026 }
3027 
3028 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
3029 {
3030         int entries = sge_queue_entries(seq->private);
3031 
3032         ++*pos;
3033         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
3034 }
3035 
3036 static const struct seq_operations sge_qinfo_seq_ops = {
3037         .start = sge_queue_start,
3038         .next  = sge_queue_next,
3039         .stop  = sge_queue_stop,
3040         .show  = sge_qinfo_show
3041 };
3042 
3043 static int sge_qinfo_open(struct inode *inode, struct file *file)
3044 {
3045         int res = seq_open(file, &sge_qinfo_seq_ops);
3046 
3047         if (!res) {
3048                 struct seq_file *seq = file->private_data;
3049 
3050                 seq->private = inode->i_private;
3051         }
3052         return res;
3053 }
3054 
3055 static const struct file_operations sge_qinfo_debugfs_fops = {
3056         .owner   = THIS_MODULE,
3057         .open    = sge_qinfo_open,
3058         .read    = seq_read,
3059         .llseek  = seq_lseek,
3060         .release = seq_release,
3061 };
3062 
3063 int mem_open(struct inode *inode, struct file *file)
3064 {
3065         unsigned int mem;
3066         struct adapter *adap;
3067 
3068         file->private_data = inode->i_private;
3069 
3070         mem = (uintptr_t)file->private_data & 0x7;
3071         adap = file->private_data - mem;
3072 
3073         (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
3074 
3075         return 0;
3076 }
3077 
3078 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
3079                         loff_t *ppos)
3080 {
3081         loff_t pos = *ppos;
3082         loff_t avail = file_inode(file)->i_size;
3083         unsigned int mem = (uintptr_t)file->private_data & 0x7;
3084         struct adapter *adap = file->private_data - mem;
3085         __be32 *data;
3086         int ret;
3087 
3088         if (pos < 0)
3089                 return -EINVAL;
3090         if (pos >= avail)
3091                 return 0;
3092         if (count > avail - pos)
3093                 count = avail - pos;
3094 
3095         data = kvzalloc(count, GFP_KERNEL);
3096         if (!data)
3097                 return -ENOMEM;
3098 
3099         spin_lock(&adap->win0_lock);
3100         ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
3101         spin_unlock(&adap->win0_lock);
3102         if (ret) {
3103                 kvfree(data);
3104                 return ret;
3105         }
3106         ret = copy_to_user(buf, data, count);
3107 
3108         kvfree(data);
3109         if (ret)
3110                 return -EFAULT;
3111 
3112         *ppos = pos + count;
3113         return count;
3114 }
3115 static const struct file_operations mem_debugfs_fops = {
3116         .owner   = THIS_MODULE,
3117         .open    = simple_open,
3118         .read    = mem_read,
3119         .llseek  = default_llseek,
3120 };
3121 
3122 static int tid_info_show(struct seq_file *seq, void *v)
3123 {
3124         unsigned int tid_start = 0;
3125         struct adapter *adap = seq->private;
3126         const struct tid_info *t = &adap->tids;
3127         enum chip_type chip = CHELSIO_CHIP_VERSION(adap->params.chip);
3128 
3129         if (chip > CHELSIO_T5)
3130                 tid_start = t4_read_reg(adap, LE_DB_ACTIVE_TABLE_START_INDEX_A);
3131 
3132         if (t4_read_reg(adap, LE_DB_CONFIG_A) & HASHEN_F) {
3133                 unsigned int sb;
3134                 seq_printf(seq, "Connections in use: %u\n",
3135                            atomic_read(&t->conns_in_use));
3136 
3137                 if (chip <= CHELSIO_T5)
3138                         sb = t4_read_reg(adap, LE_DB_SERVER_INDEX_A) / 4;
3139                 else
3140                         sb = t4_read_reg(adap, LE_DB_SRVR_START_INDEX_A);
3141 
3142                 if (sb) {
3143                         seq_printf(seq, "TID range: %u..%u/%u..%u", tid_start,
3144                                    sb - 1, adap->tids.hash_base,
3145                                    t->ntids - 1);
3146                         seq_printf(seq, ", in use: %u/%u\n",
3147                                    atomic_read(&t->tids_in_use),
3148                                    atomic_read(&t->hash_tids_in_use));
3149                 } else if (adap->flags & CXGB4_FW_OFLD_CONN) {
3150                         seq_printf(seq, "TID range: %u..%u/%u..%u",
3151                                    t->aftid_base,
3152                                    t->aftid_end,
3153                                    adap->tids.hash_base,
3154                                    t->ntids - 1);
3155                         seq_printf(seq, ", in use: %u/%u\n",
3156                                    atomic_read(&t->tids_in_use),
3157                                    atomic_read(&t->hash_tids_in_use));
3158                 } else {
3159                         seq_printf(seq, "TID range: %u..%u",
3160                                    adap->tids.hash_base,
3161                                    t->ntids - 1);
3162                         seq_printf(seq, ", in use: %u\n",
3163                                    atomic_read(&t->hash_tids_in_use));
3164                 }
3165         } else if (t->ntids) {
3166                 seq_printf(seq, "Connections in use: %u\n",
3167                            atomic_read(&t->conns_in_use));
3168 
3169                 seq_printf(seq, "TID range: %u..%u", tid_start,
3170                            tid_start + t->ntids - 1);
3171                 seq_printf(seq, ", in use: %u\n",
3172                            atomic_read(&t->tids_in_use));
3173         }
3174 
3175         if (t->nstids)
3176                 seq_printf(seq, "STID range: %u..%u, in use-IPv4/IPv6: %u/%u\n",
3177                            (!t->stid_base &&
3178                            (chip <= CHELSIO_T5)) ?
3179                            t->stid_base + 1 : t->stid_base,
3180                            t->stid_base + t->nstids - 1,
3181                            t->stids_in_use - t->v6_stids_in_use,
3182                            t->v6_stids_in_use);
3183 
3184         if (t->natids)
3185                 seq_printf(seq, "ATID range: 0..%u, in use: %u\n",
3186                            t->natids - 1, t->atids_in_use);
3187         seq_printf(seq, "FTID range: %u..%u\n", t->ftid_base,
3188                    t->ftid_base + t->nftids - 1);
3189         if (t->nsftids)
3190                 seq_printf(seq, "SFTID range: %u..%u in use: %u\n",
3191                            t->sftid_base, t->sftid_base + t->nsftids - 2,
3192                            t->sftids_in_use);
3193         if (t->ntids)
3194                 seq_printf(seq, "HW TID usage: %u IP users, %u IPv6 users\n",
3195                            t4_read_reg(adap, LE_DB_ACT_CNT_IPV4_A),
3196                            t4_read_reg(adap, LE_DB_ACT_CNT_IPV6_A));
3197         return 0;
3198 }
3199 DEFINE_SHOW_ATTRIBUTE(tid_info);
3200 
3201 static void add_debugfs_mem(struct adapter *adap, const char *name,
3202                             unsigned int idx, unsigned int size_mb)
3203 {
3204         debugfs_create_file_size(name, 0400, adap->debugfs_root,
3205                                  (void *)adap + idx, &mem_debugfs_fops,
3206                                  size_mb << 20);
3207 }
3208 
3209 static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf,
3210                                size_t count, loff_t *ppos)
3211 {
3212         int len;
3213         const struct adapter *adap = filp->private_data;
3214         char *buf;
3215         ssize_t size = (adap->sge.egr_sz + 3) / 4 +
3216                         adap->sge.egr_sz / 32 + 2; /* includes ,/\n/\0 */
3217 
3218         buf = kzalloc(size, GFP_KERNEL);
3219         if (!buf)
3220                 return -ENOMEM;
3221 
3222         len = snprintf(buf, size - 1, "%*pb\n",
3223                        adap->sge.egr_sz, adap->sge.blocked_fl);
3224         len += sprintf(buf + len, "\n");
3225         size = simple_read_from_buffer(ubuf, count, ppos, buf, len);
3226         kvfree(buf);
3227         return size;
3228 }
3229 
3230 static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf,
3231                                 size_t count, loff_t *ppos)
3232 {
3233         int err;
3234         unsigned long *t;
3235         struct adapter *adap = filp->private_data;
3236 
3237         t = kcalloc(BITS_TO_LONGS(adap->sge.egr_sz), sizeof(long), GFP_KERNEL);
3238         if (!t)
3239                 return -ENOMEM;
3240 
3241         err = bitmap_parse_user(ubuf, count, t, adap->sge.egr_sz);
3242         if (err) {
3243                 kvfree(t);
3244                 return err;
3245         }
3246 
3247         bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz);
3248         kvfree(t);
3249         return count;
3250 }
3251 
3252 static const struct file_operations blocked_fl_fops = {
3253         .owner   = THIS_MODULE,
3254         .open    = simple_open,
3255         .read    = blocked_fl_read,
3256         .write   = blocked_fl_write,
3257         .llseek  = generic_file_llseek,
3258 };
3259 
3260 static void mem_region_show(struct seq_file *seq, const char *name,
3261                             unsigned int from, unsigned int to)
3262 {
3263         char buf[40];
3264 
3265         string_get_size((u64)to - from + 1, 1, STRING_UNITS_2, buf,
3266                         sizeof(buf));
3267         seq_printf(seq, "%-15s %#x-%#x [%s]\n", name, from, to, buf);
3268 }
3269 
3270 static int meminfo_show(struct seq_file *seq, void *v)
3271 {
3272         static const char * const memory[] = { "EDC0:", "EDC1:", "MC:",
3273                                                "MC0:", "MC1:", "HMA:"};
3274         struct adapter *adap = seq->private;
3275         struct cudbg_meminfo meminfo;
3276         int i, rc;
3277 
3278         memset(&meminfo, 0, sizeof(struct cudbg_meminfo));
3279         rc = cudbg_fill_meminfo(adap, &meminfo);
3280         if (rc)
3281                 return -ENXIO;
3282 
3283         for (i = 0; i < meminfo.avail_c; i++)
3284                 mem_region_show(seq, memory[meminfo.avail[i].idx],
3285                                 meminfo.avail[i].base,
3286                                 meminfo.avail[i].limit - 1);
3287 
3288         seq_putc(seq, '\n');
3289         for (i = 0; i < meminfo.mem_c; i++) {
3290                 if (meminfo.mem[i].idx >= ARRAY_SIZE(cudbg_region))
3291                         continue;                        /* skip holes */
3292                 if (!meminfo.mem[i].limit)
3293                         meminfo.mem[i].limit =
3294                                 i < meminfo.mem_c - 1 ?
3295                                 meminfo.mem[i + 1].base - 1 : ~0;
3296                 mem_region_show(seq, cudbg_region[meminfo.mem[i].idx],
3297                                 meminfo.mem[i].base, meminfo.mem[i].limit);
3298         }
3299 
3300         seq_putc(seq, '\n');
3301         mem_region_show(seq, "uP RAM:", meminfo.up_ram_lo, meminfo.up_ram_hi);
3302         mem_region_show(seq, "uP Extmem2:", meminfo.up_extmem2_lo,
3303                         meminfo.up_extmem2_hi);
3304 
3305         seq_printf(seq, "\n%u Rx pages (%u free) of size %uKiB for %u channels\n",
3306                    meminfo.rx_pages_data[0], meminfo.free_rx_cnt,
3307                    meminfo.rx_pages_data[1], meminfo.rx_pages_data[2]);
3308 
3309         seq_printf(seq, "%u Tx pages (%u free) of size %u%ciB for %u channels\n",
3310                    meminfo.tx_pages_data[0], meminfo.free_tx_cnt,
3311                    meminfo.tx_pages_data[1], meminfo.tx_pages_data[2],
3312                    meminfo.tx_pages_data[3]);
3313 
3314         seq_printf(seq, "%u p-structs (%u free)\n\n",
3315                    meminfo.p_structs, meminfo.p_structs_free_cnt);
3316 
3317         for (i = 0; i < 4; i++)
3318                 /* For T6 these are MAC buffer groups */
3319                 seq_printf(seq, "Port %d using %u pages out of %u allocated\n",
3320                            i, meminfo.port_used[i], meminfo.port_alloc[i]);
3321 
3322         for (i = 0; i < adap->params.arch.nchan; i++)
3323                 /* For T6 these are MAC buffer groups */
3324                 seq_printf(seq,
3325                            "Loopback %d using %u pages out of %u allocated\n",
3326                            i, meminfo.loopback_used[i],
3327                            meminfo.loopback_alloc[i]);
3328 
3329         return 0;
3330 }
3331 DEFINE_SHOW_ATTRIBUTE(meminfo);
3332 
3333 static int chcr_stats_show(struct seq_file *seq, void *v)
3334 {
3335         struct adapter *adap = seq->private;
3336 
3337         seq_puts(seq, "Chelsio Crypto Accelerator Stats \n");
3338         seq_printf(seq, "Cipher Ops: %10u \n",
3339                    atomic_read(&adap->chcr_stats.cipher_rqst));
3340         seq_printf(seq, "Digest Ops: %10u \n",
3341                    atomic_read(&adap->chcr_stats.digest_rqst));
3342         seq_printf(seq, "Aead Ops: %10u \n",
3343                    atomic_read(&adap->chcr_stats.aead_rqst));
3344         seq_printf(seq, "Completion: %10u \n",
3345                    atomic_read(&adap->chcr_stats.complete));
3346         seq_printf(seq, "Error: %10u \n",
3347                    atomic_read(&adap->chcr_stats.error));
3348         seq_printf(seq, "Fallback: %10u \n",
3349                    atomic_read(&adap->chcr_stats.fallback));
3350         seq_printf(seq, "IPSec PDU: %10u\n",
3351                    atomic_read(&adap->chcr_stats.ipsec_cnt));
3352         return 0;
3353 }
3354 DEFINE_SHOW_ATTRIBUTE(chcr_stats);
3355 
3356 #define PRINT_ADAP_STATS(string, value) \
3357         seq_printf(seq, "%-25s %-20llu\n", (string), \
3358                    (unsigned long long)(value))
3359 
3360 #define PRINT_CH_STATS(string, value) \
3361 do { \
3362         seq_printf(seq, "%-25s ", (string)); \
3363         for (i = 0; i < adap->params.arch.nchan; i++) \
3364                 seq_printf(seq, "%-20llu ", \
3365                            (unsigned long long)stats.value[i]); \
3366         seq_printf(seq, "\n"); \
3367 } while (0)
3368 
3369 #define PRINT_CH_STATS2(string, value) \
3370 do { \
3371         seq_printf(seq, "%-25s ", (string)); \
3372         for (i = 0; i < adap->params.arch.nchan; i++) \
3373                 seq_printf(seq, "%-20llu ", \
3374                            (unsigned long long)stats[i].value); \
3375         seq_printf(seq, "\n"); \
3376 } while (0)
3377 
3378 static void show_tcp_stats(struct seq_file *seq)
3379 {
3380         struct adapter *adap = seq->private;
3381         struct tp_tcp_stats v4, v6;
3382 
3383         spin_lock(&adap->stats_lock);
3384         t4_tp_get_tcp_stats(adap, &v4, &v6, false);
3385         spin_unlock(&adap->stats_lock);
3386 
3387         PRINT_ADAP_STATS("tcp_ipv4_out_rsts:", v4.tcp_out_rsts);
3388         PRINT_ADAP_STATS("tcp_ipv4_in_segs:", v4.tcp_in_segs);
3389         PRINT_ADAP_STATS("tcp_ipv4_out_segs:", v4.tcp_out_segs);
3390         PRINT_ADAP_STATS("tcp_ipv4_retrans_segs:", v4.tcp_retrans_segs);
3391         PRINT_ADAP_STATS("tcp_ipv6_out_rsts:", v6.tcp_out_rsts);
3392         PRINT_ADAP_STATS("tcp_ipv6_in_segs:", v6.tcp_in_segs);
3393         PRINT_ADAP_STATS("tcp_ipv6_out_segs:", v6.tcp_out_segs);
3394         PRINT_ADAP_STATS("tcp_ipv6_retrans_segs:", v6.tcp_retrans_segs);
3395 }
3396 
3397 static void show_ddp_stats(struct seq_file *seq)
3398 {
3399         struct adapter *adap = seq->private;
3400         struct tp_usm_stats stats;
3401 
3402         spin_lock(&adap->stats_lock);
3403         t4_get_usm_stats(adap, &stats, false);
3404         spin_unlock(&adap->stats_lock);
3405 
3406         PRINT_ADAP_STATS("usm_ddp_frames:", stats.frames);
3407         PRINT_ADAP_STATS("usm_ddp_octets:", stats.octets);
3408         PRINT_ADAP_STATS("usm_ddp_drops:", stats.drops);
3409 }
3410 
3411 static void show_rdma_stats(struct seq_file *seq)
3412 {
3413         struct adapter *adap = seq->private;
3414         struct tp_rdma_stats stats;
3415 
3416         spin_lock(&adap->stats_lock);
3417         t4_tp_get_rdma_stats(adap, &stats, false);
3418         spin_unlock(&adap->stats_lock);
3419 
3420         PRINT_ADAP_STATS("rdma_no_rqe_mod_defer:", stats.rqe_dfr_mod);
3421         PRINT_ADAP_STATS("rdma_no_rqe_pkt_defer:", stats.rqe_dfr_pkt);
3422 }
3423 
3424 static void show_tp_err_adapter_stats(struct seq_file *seq)
3425 {
3426         struct adapter *adap = seq->private;
3427         struct tp_err_stats stats;
3428 
3429         spin_lock(&adap->stats_lock);
3430         t4_tp_get_err_stats(adap, &stats, false);
3431         spin_unlock(&adap->stats_lock);
3432 
3433         PRINT_ADAP_STATS("tp_err_ofld_no_neigh:", stats.ofld_no_neigh);
3434         PRINT_ADAP_STATS("tp_err_ofld_cong_defer:", stats.ofld_cong_defer);
3435 }
3436 
3437 static void show_cpl_stats(struct seq_file *seq)
3438 {
3439         struct adapter *adap = seq->private;
3440         struct tp_cpl_stats stats;
3441         u8 i;
3442 
3443         spin_lock(&adap->stats_lock);
3444         t4_tp_get_cpl_stats(adap, &stats, false);
3445         spin_unlock(&adap->stats_lock);
3446 
3447         PRINT_CH_STATS("tp_cpl_requests:", req);
3448         PRINT_CH_STATS("tp_cpl_responses:", rsp);
3449 }
3450 
3451 static void show_tp_err_channel_stats(struct seq_file *seq)
3452 {
3453         struct adapter *adap = seq->private;
3454         struct tp_err_stats stats;
3455         u8 i;
3456 
3457         spin_lock(&adap->stats_lock);
3458         t4_tp_get_err_stats(adap, &stats, false);
3459         spin_unlock(&adap->stats_lock);
3460 
3461         PRINT_CH_STATS("tp_mac_in_errs:", mac_in_errs);
3462         PRINT_CH_STATS("tp_hdr_in_errs:", hdr_in_errs);
3463         PRINT_CH_STATS("tp_tcp_in_errs:", tcp_in_errs);
3464         PRINT_CH_STATS("tp_tcp6_in_errs:", tcp6_in_errs);
3465         PRINT_CH_STATS("tp_tnl_cong_drops:", tnl_cong_drops);
3466         PRINT_CH_STATS("tp_tnl_tx_drops:", tnl_tx_drops);
3467         PRINT_CH_STATS("tp_ofld_vlan_drops:", ofld_vlan_drops);
3468         PRINT_CH_STATS("tp_ofld_chan_drops:", ofld_chan_drops);
3469 }
3470 
3471 static void show_fcoe_stats(struct seq_file *seq)
3472 {
3473         struct adapter *adap = seq->private;
3474         struct tp_fcoe_stats stats[NCHAN];
3475         u8 i;
3476 
3477         spin_lock(&adap->stats_lock);
3478         for (i = 0; i < adap->params.arch.nchan; i++)
3479                 t4_get_fcoe_stats(adap, i, &stats[i], false);
3480         spin_unlock(&adap->stats_lock);
3481 
3482         PRINT_CH_STATS2("fcoe_octets_ddp", octets_ddp);
3483         PRINT_CH_STATS2("fcoe_frames_ddp", frames_ddp);
3484         PRINT_CH_STATS2("fcoe_frames_drop", frames_drop);
3485 }
3486 
3487 #undef PRINT_CH_STATS2
3488 #undef PRINT_CH_STATS
3489 #undef PRINT_ADAP_STATS
3490 
3491 static int tp_stats_show(struct seq_file *seq, void *v)
3492 {
3493         struct adapter *adap = seq->private;
3494 
3495         seq_puts(seq, "\n--------Adapter Stats--------\n");
3496         show_tcp_stats(seq);
3497         show_ddp_stats(seq);
3498         show_rdma_stats(seq);
3499         show_tp_err_adapter_stats(seq);
3500 
3501         seq_puts(seq, "\n-------- Channel Stats --------\n");
3502         if (adap->params.arch.nchan == NCHAN)
3503                 seq_printf(seq, "%-25s %-20s %-20s %-20s %-20s\n",
3504                            " ", "channel 0", "channel 1",
3505                            "channel 2", "channel 3");
3506         else
3507                 seq_printf(seq, "%-25s %-20s %-20s\n",
3508                            " ", "channel 0", "channel 1");
3509         show_cpl_stats(seq);
3510         show_tp_err_channel_stats(seq);
3511         show_fcoe_stats(seq);
3512 
3513         return 0;
3514 }
3515 DEFINE_SHOW_ATTRIBUTE(tp_stats);
3516 
3517 /* Add an array of Debug FS files.
3518  */
3519 void add_debugfs_files(struct adapter *adap,
3520                        struct t4_debugfs_entry *files,
3521                        unsigned int nfiles)
3522 {
3523         int i;
3524 
3525         /* debugfs support is best effort */
3526         for (i = 0; i < nfiles; i++)
3527                 debugfs_create_file(files[i].name, files[i].mode,
3528                                     adap->debugfs_root,
3529                                     (void *)adap + files[i].data,
3530                                     files[i].ops);
3531 }
3532 
3533 int t4_setup_debugfs(struct adapter *adap)
3534 {
3535         int i;
3536         u32 size = 0;
3537 
3538         static struct t4_debugfs_entry t4_debugfs_files[] = {
3539                 { "cim_la", &cim_la_fops, 0400, 0 },
3540                 { "cim_pif_la", &cim_pif_la_fops, 0400, 0 },
3541                 { "cim_ma_la", &cim_ma_la_fops, 0400, 0 },
3542                 { "cim_qcfg", &cim_qcfg_fops, 0400, 0 },
3543                 { "clk", &clk_fops, 0400, 0 },
3544                 { "devlog", &devlog_fops, 0400, 0 },
3545                 { "mboxlog", &mboxlog_fops, 0400, 0 },
3546                 { "mbox0", &mbox_debugfs_fops, 0600, 0 },
3547                 { "mbox1", &mbox_debugfs_fops, 0600, 1 },
3548                 { "mbox2", &mbox_debugfs_fops, 0600, 2 },
3549                 { "mbox3", &mbox_debugfs_fops, 0600, 3 },
3550                 { "mbox4", &mbox_debugfs_fops, 0600, 4 },
3551                 { "mbox5", &mbox_debugfs_fops, 0600, 5 },
3552                 { "mbox6", &mbox_debugfs_fops, 0600, 6 },
3553                 { "mbox7", &mbox_debugfs_fops, 0600, 7 },
3554                 { "trace0", &mps_trc_debugfs_fops, 0600, 0 },
3555                 { "trace1", &mps_trc_debugfs_fops, 0600, 1 },
3556                 { "trace2", &mps_trc_debugfs_fops, 0600, 2 },
3557                 { "trace3", &mps_trc_debugfs_fops, 0600, 3 },
3558                 { "l2t", &t4_l2t_fops, 0400, 0},
3559                 { "mps_tcam", &mps_tcam_debugfs_fops, 0400, 0 },
3560                 { "rss", &rss_debugfs_fops, 0400, 0 },
3561                 { "rss_config", &rss_config_fops, 0400, 0 },
3562                 { "rss_key", &rss_key_debugfs_fops, 0400, 0 },
3563                 { "rss_pf_config", &rss_pf_config_debugfs_fops, 0400, 0 },
3564                 { "rss_vf_config", &rss_vf_config_debugfs_fops, 0400, 0 },
3565                 { "resources", &resources_fops, 0400, 0 },
3566 #ifdef CONFIG_CHELSIO_T4_DCB
3567                 { "dcb_info", &dcb_info_debugfs_fops, 0400, 0 },
3568 #endif
3569                 { "sge_qinfo", &sge_qinfo_debugfs_fops, 0400, 0 },
3570                 { "ibq_tp0",  &cim_ibq_fops, 0400, 0 },
3571                 { "ibq_tp1",  &cim_ibq_fops, 0400, 1 },
3572                 { "ibq_ulp",  &cim_ibq_fops, 0400, 2 },
3573                 { "ibq_sge0", &cim_ibq_fops, 0400, 3 },
3574                 { "ibq_sge1", &cim_ibq_fops, 0400, 4 },
3575                 { "ibq_ncsi", &cim_ibq_fops, 0400, 5 },
3576                 { "obq_ulp0", &cim_obq_fops, 0400, 0 },
3577                 { "obq_ulp1", &cim_obq_fops, 0400, 1 },
3578                 { "obq_ulp2", &cim_obq_fops, 0400, 2 },
3579                 { "obq_ulp3", &cim_obq_fops, 0400, 3 },
3580                 { "obq_sge",  &cim_obq_fops, 0400, 4 },
3581                 { "obq_ncsi", &cim_obq_fops, 0400, 5 },
3582                 { "tp_la", &tp_la_fops, 0400, 0 },
3583                 { "ulprx_la", &ulprx_la_fops, 0400, 0 },
3584                 { "sensors", &sensors_fops, 0400, 0 },
3585                 { "pm_stats", &pm_stats_debugfs_fops, 0400, 0 },
3586                 { "tx_rate", &tx_rate_fops, 0400, 0 },
3587                 { "cctrl", &cctrl_tbl_fops, 0400, 0 },
3588 #if IS_ENABLED(CONFIG_IPV6)
3589                 { "clip_tbl", &clip_tbl_fops, 0400, 0 },
3590 #endif
3591                 { "tids", &tid_info_fops, 0400, 0},
3592                 { "blocked_fl", &blocked_fl_fops, 0600, 0 },
3593                 { "meminfo", &meminfo_fops, 0400, 0 },
3594                 { "crypto", &chcr_stats_fops, 0400, 0 },
3595                 { "tp_stats", &tp_stats_fops, 0400, 0 },
3596         };
3597 
3598         /* Debug FS nodes common to all T5 and later adapters.
3599          */
3600         static struct t4_debugfs_entry t5_debugfs_files[] = {
3601                 { "obq_sge_rx_q0", &cim_obq_fops, 0400, 6 },
3602                 { "obq_sge_rx_q1", &cim_obq_fops, 0400, 7 },
3603         };
3604 
3605         add_debugfs_files(adap,
3606                           t4_debugfs_files,
3607                           ARRAY_SIZE(t4_debugfs_files));
3608         if (!is_t4(adap->params.chip))
3609                 add_debugfs_files(adap,
3610                                   t5_debugfs_files,
3611                                   ARRAY_SIZE(t5_debugfs_files));
3612 
3613         i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
3614         if (i & EDRAM0_ENABLE_F) {
3615                 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
3616                 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
3617         }
3618         if (i & EDRAM1_ENABLE_F) {
3619                 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
3620                 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
3621         }
3622         if (is_t5(adap->params.chip)) {
3623                 if (i & EXT_MEM0_ENABLE_F) {
3624                         size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
3625                         add_debugfs_mem(adap, "mc0", MEM_MC0,
3626                                         EXT_MEM0_SIZE_G(size));
3627                 }
3628                 if (i & EXT_MEM1_ENABLE_F) {
3629                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
3630                         add_debugfs_mem(adap, "mc1", MEM_MC1,
3631                                         EXT_MEM1_SIZE_G(size));
3632                 }
3633         } else {
3634                 if (i & EXT_MEM_ENABLE_F) {
3635                         size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
3636                         add_debugfs_mem(adap, "mc", MEM_MC,
3637                                         EXT_MEM_SIZE_G(size));
3638                 }
3639 
3640                 if (i & HMA_MUX_F) {
3641                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
3642                         add_debugfs_mem(adap, "hma", MEM_HMA,
3643                                         EXT_MEM1_SIZE_G(size));
3644                 }
3645         }
3646 
3647         debugfs_create_file_size("flash", 0400, adap->debugfs_root, adap,
3648                                  &flash_debugfs_fops, adap->params.sf_size);
3649         debugfs_create_bool("use_backdoor", 0600,
3650                             adap->debugfs_root, &adap->use_bd);
3651         debugfs_create_bool("trace_rss", 0600,
3652                             adap->debugfs_root, &adap->trace_rss);
3653 
3654         return 0;
3655 }

/* [<][>][^][v][top][bottom][index][help] */