drivers/net/wireless/ath/wil6210/debugfs.c

   1 /*
   2  * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/module.h>
  18 #include <linux/debugfs.h>
  19 #include <linux/seq_file.h>
  20 #include <linux/pci.h>
  21 #include <linux/rtnetlink.h>
  22 #include <linux/power_supply.h>
  23
  24 #include "wil6210.h"
  25 #include "wmi.h"
  26 #include "txrx.h"
  27
  28 /* Nasty hack. Better have per device instances */
  29 static u32 mem_addr;
  30 static u32 dbg_txdesc_index;
  31 static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
  32
  33 enum dbg_off_type {
  34         doff_u32 = 0,
  35         doff_x32 = 1,
  36         doff_ulong = 2,
  37         doff_io32 = 3,
  38 };
  39
  40 /* offset to "wil" */
  41 struct dbg_off {
  42         const char *name;
  43         umode_t mode;
  44         ulong off;
  45         enum dbg_off_type type;
  46 };
  47
  48 static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
  49                             const char *name, struct vring *vring,
  50                             char _s, char _h)
  51 {
  52         void __iomem *x = wmi_addr(wil, vring->hwtail);
  53
  54         seq_printf(s, "VRING %s = {\n", name);
  55         seq_printf(s, "  pa     = %pad\n", &vring->pa);
  56         seq_printf(s, "  va     = 0x%p\n", vring->va);
  57         seq_printf(s, "  size   = %d\n", vring->size);
  58         seq_printf(s, "  swtail = %d\n", vring->swtail);
  59         seq_printf(s, "  swhead = %d\n", vring->swhead);
  60         seq_printf(s, "  hwtail = [0x%08x] -> ", vring->hwtail);
  61         if (x)
  62                 seq_printf(s, "0x%08x\n", ioread32(x));
  63         else
  64                 seq_puts(s, "???\n");
  65
  66         if (vring->va && (vring->size < 1025)) {
  67                 uint i;
  68
  69                 for (i = 0; i < vring->size; i++) {
  70                         volatile struct vring_tx_desc *d = &vring->va[i].tx;
  71
  72                         if ((i % 64) == 0 && (i != 0))
  73                                 seq_puts(s, "\n");
  74                         seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
  75                                         _s : (vring->ctx[i].skb ? _h : 'h'));
  76                 }
  77                 seq_puts(s, "\n");
  78         }
  79         seq_puts(s, "}\n");
  80 }
  81
  82 static int wil_vring_debugfs_show(struct seq_file *s, void *data)
  83 {
  84         uint i;
  85         struct wil6210_priv *wil = s->private;
  86
  87         wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
  88
  89         for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
  90                 struct vring *vring = &wil->vring_tx[i];
  91                 struct vring_tx_data *txdata = &wil->vring_tx_data[i];
  92
  93                 if (vring->va) {
  94                         int cid = wil->vring2cid_tid[i][0];
  95                         int tid = wil->vring2cid_tid[i][1];
  96                         u32 swhead = vring->swhead;
  97                         u32 swtail = vring->swtail;
  98                         int used = (vring->size + swhead - swtail)
  99                                    % vring->size;
 100                         int avail = vring->size - used - 1;
 101                         char name[10];
 102                         /* performance monitoring */
 103                         cycles_t now = get_cycles();
 104                         cycles_t idle = txdata->idle * 100;
 105                         cycles_t total = now - txdata->begin;
 106
 107                         do_div(idle, total);
 108                         txdata->begin = now;
 109                         txdata->idle = 0ULL;
 110
 111                         snprintf(name, sizeof(name), "tx_%2d", i);
 112
 113                         seq_printf(s, "\n%pM CID %d TID %d [%3d|%3d] idle %3d%%\n",
 114                                    wil->sta[cid].addr, cid, tid, used, avail,
 115                                    (int)idle);
 116
 117                         wil_print_vring(s, wil, name, vring, '_', 'H');
 118                 }
 119         }
 120
 121         return 0;
 122 }
 123
 124 static int wil_vring_seq_open(struct inode *inode, struct file *file)
 125 {
 126         return single_open(file, wil_vring_debugfs_show, inode->i_private);
 127 }
 128
 129 static const struct file_operations fops_vring = {
 130         .open           = wil_vring_seq_open,
 131         .release        = single_release,
 132         .read           = seq_read,
 133         .llseek         = seq_lseek,
 134 };
 135
 136 static void wil_print_ring(struct seq_file *s, const char *prefix,
 137                            void __iomem *off)
 138 {
 139         struct wil6210_priv *wil = s->private;
 140         struct wil6210_mbox_ring r;
 141         int rsize;
 142         uint i;
 143
 144         wil_memcpy_fromio_32(&r, off, sizeof(r));
 145         wil_mbox_ring_le2cpus(&r);
 146         /*
 147          * we just read memory block from NIC. This memory may be
 148          * garbage. Check validity before using it.
 149          */
 150         rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
 151
 152         seq_printf(s, "ring %s = {\n", prefix);
 153         seq_printf(s, "  base = 0x%08x\n", r.base);
 154         seq_printf(s, "  size = 0x%04x bytes -> %d entries\n", r.size, rsize);
 155         seq_printf(s, "  tail = 0x%08x\n", r.tail);
 156         seq_printf(s, "  head = 0x%08x\n", r.head);
 157         seq_printf(s, "  entry size = %d\n", r.entry_size);
 158
 159         if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
 160                 seq_printf(s, "  ??? size is not multiple of %zd, garbage?\n",
 161                            sizeof(struct wil6210_mbox_ring_desc));
 162                 goto out;
 163         }
 164
 165         if (!wmi_addr(wil, r.base) ||
 166             !wmi_addr(wil, r.tail) ||
 167             !wmi_addr(wil, r.head)) {
 168                 seq_puts(s, "  ??? pointers are garbage?\n");
 169                 goto out;
 170         }
 171
 172         for (i = 0; i < rsize; i++) {
 173                 struct wil6210_mbox_ring_desc d;
 174                 struct wil6210_mbox_hdr hdr;
 175                 size_t delta = i * sizeof(d);
 176                 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
 177
 178                 wil_memcpy_fromio_32(&d, x, sizeof(d));
 179
 180                 seq_printf(s, "  [%2x] %s %s%s 0x%08x", i,
 181                            d.sync ? "F" : "E",
 182                            (r.tail - r.base == delta) ? "t" : " ",
 183                            (r.head - r.base == delta) ? "h" : " ",
 184                            le32_to_cpu(d.addr));
 185                 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
 186                         u16 len = le16_to_cpu(hdr.len);
 187
 188                         seq_printf(s, " -> %04x %04x %04x %02x\n",
 189                                    le16_to_cpu(hdr.seq), len,
 190                                    le16_to_cpu(hdr.type), hdr.flags);
 191                         if (len <= MAX_MBOXITEM_SIZE) {
 192                                 int n = 0;
 193                                 char printbuf[16 * 3 + 2];
 194                                 unsigned char databuf[MAX_MBOXITEM_SIZE];
 195                                 void __iomem *src = wmi_buffer(wil, d.addr) +
 196                                         sizeof(struct wil6210_mbox_hdr);
 197                                 /*
 198                                  * No need to check @src for validity -
 199                                  * we already validated @d.addr while
 200                                  * reading header
 201                                  */
 202                                 wil_memcpy_fromio_32(databuf, src, len);
 203                                 while (n < len) {
 204                                         int l = min(len - n, 16);
 205
 206                                         hex_dump_to_buffer(databuf + n, l,
 207                                                            16, 1, printbuf,
 208                                                            sizeof(printbuf),
 209                                                            false);
 210                                         seq_printf(s, "      : %s\n", printbuf);
 211                                         n += l;
 212                                 }
 213                         }
 214                 } else {
 215                         seq_puts(s, "\n");
 216                 }
 217         }
 218  out:
 219         seq_puts(s, "}\n");
 220 }
 221
 222 static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
 223 {
 224         struct wil6210_priv *wil = s->private;
 225
 226         wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
 227                        offsetof(struct wil6210_mbox_ctl, tx));
 228         wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
 229                        offsetof(struct wil6210_mbox_ctl, rx));
 230
 231         return 0;
 232 }
 233
 234 static int wil_mbox_seq_open(struct inode *inode, struct file *file)
 235 {
 236         return single_open(file, wil_mbox_debugfs_show, inode->i_private);
 237 }
 238
 239 static const struct file_operations fops_mbox = {
 240         .open           = wil_mbox_seq_open,
 241         .release        = single_release,
 242         .read           = seq_read,
 243         .llseek         = seq_lseek,
 244 };
 245
 246 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
 247 {
 248         iowrite32(val, (void __iomem *)data);
 249         wmb(); /* make sure write propagated to HW */
 250
 251         return 0;
 252 }
 253
 254 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
 255 {
 256         *val = ioread32((void __iomem *)data);
 257
 258         return 0;
 259 }
 260
 261 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 262                         wil_debugfs_iomem_x32_set, "0x%08llx\n");
 263
 264 static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
 265                                                    umode_t mode,
 266                                                    struct dentry *parent,
 267                                                    void *value)
 268 {
 269         return debugfs_create_file(name, mode, parent, value,
 270                                    &fops_iomem_x32);
 271 }
 272
 273 static int wil_debugfs_ulong_set(void *data, u64 val)
 274 {
 275         *(ulong *)data = val;
 276         return 0;
 277 }
 278
 279 static int wil_debugfs_ulong_get(void *data, u64 *val)
 280 {
 281         *val = *(ulong *)data;
 282         return 0;
 283 }
 284
 285 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 286                         wil_debugfs_ulong_set, "%llu\n");
 287
 288 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
 289                                                struct dentry *parent,
 290                                                ulong *value)
 291 {
 292         return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
 293 }
 294
 295 /**
 296  * wil6210_debugfs_init_offset - create set of debugfs files
 297  * @wil - driver's context, used for printing
 298  * @dbg - directory on the debugfs, where files will be created
 299  * @base - base address used in address calculation
 300  * @tbl - table with file descriptions. Should be terminated with empty element.
 301  *
 302  * Creates files accordingly to the @tbl.
 303  */
 304 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
 305                                         struct dentry *dbg, void *base,
 306                                         const struct dbg_off * const tbl)
 307 {
 308         int i;
 309
 310         for (i = 0; tbl[i].name; i++) {
 311                 struct dentry *f;
 312
 313                 switch (tbl[i].type) {
 314                 case doff_u32:
 315                         f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
 316                                                base + tbl[i].off);
 317                         break;
 318                 case doff_x32:
 319                         f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
 320                                                base + tbl[i].off);
 321                         break;
 322                 case doff_ulong:
 323                         f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
 324                                                      dbg, base + tbl[i].off);
 325                         break;
 326                 case doff_io32:
 327                         f = wil_debugfs_create_iomem_x32(tbl[i].name,
 328                                                          tbl[i].mode, dbg,
 329                                                          base + tbl[i].off);
 330                         break;
 331                 default:
 332                         f = ERR_PTR(-EINVAL);
 333                 }
 334                 if (IS_ERR_OR_NULL(f))
 335                         wil_err(wil, "Create file \"%s\": err %ld\n",
 336                                 tbl[i].name, PTR_ERR(f));
 337         }
 338 }
 339
 340 static const struct dbg_off isr_off[] = {
 341         {"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
 342         {"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
 343         {"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
 344         {"ICS",           S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
 345         {"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
 346         {"IMS",           S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
 347         {"IMC",           S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
 348         {},
 349 };
 350
 351 static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
 352                                       const char *name,
 353                                       struct dentry *parent, u32 off)
 354 {
 355         struct dentry *d = debugfs_create_dir(name, parent);
 356
 357         if (IS_ERR_OR_NULL(d))
 358                 return -ENODEV;
 359
 360         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
 361                                     isr_off);
 362
 363         return 0;
 364 }
 365
 366 static const struct dbg_off pseudo_isr_off[] = {
 367         {"CAUSE",   S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
 368         {"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
 369         {"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
 370         {},
 371 };
 372
 373 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
 374                                              struct dentry *parent)
 375 {
 376         struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
 377
 378         if (IS_ERR_OR_NULL(d))
 379                 return -ENODEV;
 380
 381         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 382                                     pseudo_isr_off);
 383
 384         return 0;
 385 }
 386
 387 static const struct dbg_off itr_cnt_off[] = {
 388         {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
 389         {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
 390         {"CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
 391         {},
 392 };
 393
 394 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 395                                           struct dentry *parent)
 396 {
 397         struct dentry *d = debugfs_create_dir("ITR_CNT", parent);
 398
 399         if (IS_ERR_OR_NULL(d))
 400                 return -ENODEV;
 401
 402         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 403                                     itr_cnt_off);
 404
 405         return 0;
 406 }
 407
 408 static int wil_memread_debugfs_show(struct seq_file *s, void *data)
 409 {
 410         struct wil6210_priv *wil = s->private;
 411         void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
 412
 413         if (a)
 414                 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, ioread32(a));
 415         else
 416                 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
 417
 418         return 0;
 419 }
 420
 421 static int wil_memread_seq_open(struct inode *inode, struct file *file)
 422 {
 423         return single_open(file, wil_memread_debugfs_show, inode->i_private);
 424 }
 425
 426 static const struct file_operations fops_memread = {
 427         .open           = wil_memread_seq_open,
 428         .release        = single_release,
 429         .read           = seq_read,
 430         .llseek         = seq_lseek,
 431 };
 432
 433 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
 434                                     size_t count, loff_t *ppos)
 435 {
 436         enum { max_count = 4096 };
 437         struct debugfs_blob_wrapper *blob = file->private_data;
 438         loff_t pos = *ppos;
 439         size_t available = blob->size;
 440         void *buf;
 441         size_t ret;
 442
 443         if (pos < 0)
 444                 return -EINVAL;
 445
 446         if (pos >= available || !count)
 447                 return 0;
 448
 449         if (count > available - pos)
 450                 count = available - pos;
 451         if (count > max_count)
 452                 count = max_count;
 453
 454         buf = kmalloc(count, GFP_KERNEL);
 455         if (!buf)
 456                 return -ENOMEM;
 457
 458         wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
 459                              pos, count);
 460
 461         ret = copy_to_user(user_buf, buf, count);
 462         kfree(buf);
 463         if (ret == count)
 464                 return -EFAULT;
 465
 466         count -= ret;
 467         *ppos = pos + count;
 468
 469         return count;
 470 }
 471
 472 static const struct file_operations fops_ioblob = {
 473         .read =         wil_read_file_ioblob,
 474         .open =         simple_open,
 475         .llseek =       default_llseek,
 476 };
 477
 478 static
 479 struct dentry *wil_debugfs_create_ioblob(const char *name,
 480                                          umode_t mode,
 481                                          struct dentry *parent,
 482                                          struct debugfs_blob_wrapper *blob)
 483 {
 484         return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
 485 }
 486
 487 /*---reset---*/
 488 static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
 489                                     size_t len, loff_t *ppos)
 490 {
 491         struct wil6210_priv *wil = file->private_data;
 492         struct net_device *ndev = wil_to_ndev(wil);
 493
 494         /**
 495          * BUG:
 496          * this code does NOT sync device state with the rest of system
 497          * use with care, debug only!!!
 498          */
 499         rtnl_lock();
 500         dev_close(ndev);
 501         ndev->flags &= ~IFF_UP;
 502         rtnl_unlock();
 503         wil_reset(wil);
 504
 505         return len;
 506 }
 507
 508 static const struct file_operations fops_reset = {
 509         .write = wil_write_file_reset,
 510         .open  = simple_open,
 511 };
 512
 513 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
 514 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
 515                                    size_t len, loff_t *ppos)
 516 {
 517         struct wil6210_priv *wil = file->private_data;
 518         int rc;
 519         long channel;
 520         bool on;
 521
 522         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 523
 524         if (!kbuf)
 525                 return -ENOMEM;
 526         if (copy_from_user(kbuf, buf, len)) {
 527                 kfree(kbuf);
 528                 return -EIO;
 529         }
 530
 531         kbuf[len] = '\0';
 532         rc = kstrtol(kbuf, 0, &channel);
 533         kfree(kbuf);
 534         if (rc)
 535                 return rc;
 536
 537         if ((channel < 0) || (channel > 4)) {
 538                 wil_err(wil, "Invalid channel %ld\n", channel);
 539                 return -EINVAL;
 540         }
 541         on = !!channel;
 542
 543         if (on) {
 544                 rc = wmi_set_channel(wil, (int)channel);
 545                 if (rc)
 546                         return rc;
 547         }
 548
 549         rc = wmi_rxon(wil, on);
 550         if (rc)
 551                 return rc;
 552
 553         return len;
 554 }
 555
 556 static const struct file_operations fops_rxon = {
 557         .write = wil_write_file_rxon,
 558         .open  = simple_open,
 559 };
 560
 561 /*---tx_mgmt---*/
 562 /* Write mgmt frame to this file to send it */
 563 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
 564                                      size_t len, loff_t *ppos)
 565 {
 566         struct wil6210_priv *wil = file->private_data;
 567         struct wiphy *wiphy = wil_to_wiphy(wil);
 568         struct wireless_dev *wdev = wil_to_wdev(wil);
 569         struct cfg80211_mgmt_tx_params params;
 570         int rc;
 571         void *frame = kmalloc(len, GFP_KERNEL);
 572
 573         if (!frame)
 574                 return -ENOMEM;
 575
 576         if (copy_from_user(frame, buf, len)) {
 577                 kfree(frame);
 578                 return -EIO;
 579         }
 580
 581         params.buf = frame;
 582         params.len = len;
 583         params.chan = wdev->preset_chandef.chan;
 584
 585         rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
 586
 587         kfree(frame);
 588         wil_info(wil, "%s() -> %d\n", __func__, rc);
 589
 590         return len;
 591 }
 592
 593 static const struct file_operations fops_txmgmt = {
 594         .write = wil_write_file_txmgmt,
 595         .open  = simple_open,
 596 };
 597
 598 /* Write WMI command (w/o mbox header) to this file to send it
 599  * WMI starts from wil6210_mbox_hdr_wmi header
 600  */
 601 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
 602                                   size_t len, loff_t *ppos)
 603 {
 604         struct wil6210_priv *wil = file->private_data;
 605         struct wil6210_mbox_hdr_wmi *wmi;
 606         void *cmd;
 607         int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
 608         u16 cmdid;
 609         int rc, rc1;
 610
 611         if (cmdlen <= 0)
 612                 return -EINVAL;
 613
 614         wmi = kmalloc(len, GFP_KERNEL);
 615         if (!wmi)
 616                 return -ENOMEM;
 617
 618         rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
 619         if (rc < 0) {
 620                 kfree(wmi);
 621                 return rc;
 622         }
 623
 624         cmd = &wmi[1];
 625         cmdid = le16_to_cpu(wmi->id);
 626
 627         rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
 628         kfree(wmi);
 629
 630         wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
 631
 632         return rc;
 633 }
 634
 635 static const struct file_operations fops_wmi = {
 636         .write = wil_write_file_wmi,
 637         .open  = simple_open,
 638 };
 639
 640 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
 641                             const char *prefix)
 642 {
 643         char printbuf[16 * 3 + 2];
 644         int i = 0;
 645
 646         while (i < len) {
 647                 int l = min(len - i, 16);
 648
 649                 hex_dump_to_buffer(p + i, l, 16, 1, printbuf,
 650                                    sizeof(printbuf), false);
 651                 seq_printf(s, "%s%s\n", prefix, printbuf);
 652                 i += l;
 653         }
 654 }
 655
 656 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
 657 {
 658         int i = 0;
 659         int len = skb_headlen(skb);
 660         void *p = skb->data;
 661         int nr_frags = skb_shinfo(skb)->nr_frags;
 662
 663         seq_printf(s, "    len = %d\n", len);
 664         wil_seq_hexdump(s, p, len, "      : ");
 665
 666         if (nr_frags) {
 667                 seq_printf(s, "    nr_frags = %d\n", nr_frags);
 668                 for (i = 0; i < nr_frags; i++) {
 669                         const struct skb_frag_struct *frag =
 670                                         &skb_shinfo(skb)->frags[i];
 671
 672                         len = skb_frag_size(frag);
 673                         p = skb_frag_address_safe(frag);
 674                         seq_printf(s, "    [%2d] : len = %d\n", i, len);
 675                         wil_seq_hexdump(s, p, len, "      : ");
 676                 }
 677         }
 678 }
 679
 680 /*---------Tx/Rx descriptor------------*/
 681 static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
 682 {
 683         struct wil6210_priv *wil = s->private;
 684         struct vring *vring;
 685         bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
 686
 687         vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
 688
 689         if (!vring->va) {
 690                 if (tx)
 691                         seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
 692                 else
 693                         seq_puts(s, "No Rx VRING\n");
 694                 return 0;
 695         }
 696
 697         if (dbg_txdesc_index < vring->size) {
 698                 /* use struct vring_tx_desc for Rx as well,
 699                  * only field used, .dma.length, is the same
 700                  */
 701                 volatile struct vring_tx_desc *d =
 702                                 &vring->va[dbg_txdesc_index].tx;
 703                 volatile u32 *u = (volatile u32 *)d;
 704                 struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
 705
 706                 if (tx)
 707                         seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
 708                                    dbg_txdesc_index);
 709                 else
 710                         seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
 711                 seq_printf(s, "  MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
 712                            u[0], u[1], u[2], u[3]);
 713                 seq_printf(s, "  DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
 714                            u[4], u[5], u[6], u[7]);
 715                 seq_printf(s, "  SKB = 0x%p\n", skb);
 716
 717                 if (skb) {
 718                         skb_get(skb);
 719                         wil_seq_print_skb(s, skb);
 720                         kfree_skb(skb);
 721                 }
 722                 seq_puts(s, "}\n");
 723         } else {
 724                 if (tx)
 725                         seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
 726                                    dbg_vring_index, dbg_txdesc_index,
 727                                    vring->size);
 728                 else
 729                         seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
 730                                    dbg_txdesc_index, vring->size);
 731         }
 732
 733         return 0;
 734 }
 735
 736 static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
 737 {
 738         return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
 739 }
 740
 741 static const struct file_operations fops_txdesc = {
 742         .open           = wil_txdesc_seq_open,
 743         .release        = single_release,
 744         .read           = seq_read,
 745         .llseek         = seq_lseek,
 746 };
 747
 748 /*---------beamforming------------*/
 749 static char *wil_bfstatus_str(u32 status)
 750 {
 751         switch (status) {
 752         case 0:
 753                 return "Failed";
 754         case 1:
 755                 return "OK";
 756         case 2:
 757                 return "Retrying";
 758         default:
 759                 return "??";
 760         }
 761 }
 762
 763 static bool is_all_zeros(void * const x_, size_t sz)
 764 {
 765         /* if reply is all-0, ignore this CID */
 766         u32 *x = x_;
 767         int n;
 768
 769         for (n = 0; n < sz / sizeof(*x); n++)
 770                 if (x[n])
 771                         return false;
 772
 773         return true;
 774 }
 775
 776 static int wil_bf_debugfs_show(struct seq_file *s, void *data)
 777 {
 778         int rc;
 779         int i;
 780         struct wil6210_priv *wil = s->private;
 781         struct wmi_notify_req_cmd cmd = {
 782                 .interval_usec = 0,
 783         };
 784         struct {
 785                 struct wil6210_mbox_hdr_wmi wmi;
 786                 struct wmi_notify_req_done_event evt;
 787         } __packed reply;
 788
 789         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 790                 u32 status;
 791
 792                 cmd.cid = i;
 793                 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
 794                               WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
 795                               sizeof(reply), 20);
 796                 /* if reply is all-0, ignore this CID */
 797                 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
 798                         continue;
 799
 800                 status = le32_to_cpu(reply.evt.status);
 801                 seq_printf(s, "CID %d {\n"
 802                            "  TSF = 0x%016llx\n"
 803                            "  TxMCS = %2d TxTpt = %4d\n"
 804                            "  SQI = %4d\n"
 805                            "  Status = 0x%08x %s\n"
 806                            "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
 807                            "  Goodput(rx:tx) %4d:%4d\n"
 808                            "}\n",
 809                            i,
 810                            le64_to_cpu(reply.evt.tsf),
 811                            le16_to_cpu(reply.evt.bf_mcs),
 812                            le32_to_cpu(reply.evt.tx_tpt),
 813                            reply.evt.sqi,
 814                            status, wil_bfstatus_str(status),
 815                            le16_to_cpu(reply.evt.my_rx_sector),
 816                            le16_to_cpu(reply.evt.my_tx_sector),
 817                            le16_to_cpu(reply.evt.other_rx_sector),
 818                            le16_to_cpu(reply.evt.other_tx_sector),
 819                            le32_to_cpu(reply.evt.rx_goodput),
 820                            le32_to_cpu(reply.evt.tx_goodput));
 821         }
 822         return 0;
 823 }
 824
 825 static int wil_bf_seq_open(struct inode *inode, struct file *file)
 826 {
 827         return single_open(file, wil_bf_debugfs_show, inode->i_private);
 828 }
 829
 830 static const struct file_operations fops_bf = {
 831         .open           = wil_bf_seq_open,
 832         .release        = single_release,
 833         .read           = seq_read,
 834         .llseek         = seq_lseek,
 835 };
 836
 837 /*---------SSID------------*/
 838 static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
 839                                   size_t count, loff_t *ppos)
 840 {
 841         struct wil6210_priv *wil = file->private_data;
 842         struct wireless_dev *wdev = wil_to_wdev(wil);
 843
 844         return simple_read_from_buffer(user_buf, count, ppos,
 845                                        wdev->ssid, wdev->ssid_len);
 846 }
 847
 848 static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
 849                                    size_t count, loff_t *ppos)
 850 {
 851         struct wil6210_priv *wil = file->private_data;
 852         struct wireless_dev *wdev = wil_to_wdev(wil);
 853         struct net_device *ndev = wil_to_ndev(wil);
 854
 855         if (*ppos != 0) {
 856                 wil_err(wil, "Unable to set SSID substring from [%d]\n",
 857                         (int)*ppos);
 858                 return -EINVAL;
 859         }
 860
 861         if (count > sizeof(wdev->ssid)) {
 862                 wil_err(wil, "SSID too long, len = %d\n", (int)count);
 863                 return -EINVAL;
 864         }
 865         if (netif_running(ndev)) {
 866                 wil_err(wil, "Unable to change SSID on running interface\n");
 867                 return -EINVAL;
 868         }
 869
 870         wdev->ssid_len = count;
 871         return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
 872                                       buf, count);
 873 }
 874
 875 static const struct file_operations fops_ssid = {
 876         .read = wil_read_file_ssid,
 877         .write = wil_write_file_ssid,
 878         .open  = simple_open,
 879 };
 880
 881 /*---------temp------------*/
 882 static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 883 {
 884         switch (t) {
 885         case 0:
 886         case ~(u32)0:
 887                 seq_printf(s, "%s N/A\n", prefix);
 888         break;
 889         default:
 890                 seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
 891                 break;
 892         }
 893 }
 894
 895 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
 896 {
 897         struct wil6210_priv *wil = s->private;
 898         u32 t_m, t_r;
 899         int rc = wmi_get_temperature(wil, &t_m, &t_r);
 900
 901         if (rc) {
 902                 seq_puts(s, "Failed\n");
 903                 return 0;
 904         }
 905
 906         print_temp(s, "T_mac   =", t_m);
 907         print_temp(s, "T_radio =", t_r);
 908
 909         return 0;
 910 }
 911
 912 static int wil_temp_seq_open(struct inode *inode, struct file *file)
 913 {
 914         return single_open(file, wil_temp_debugfs_show, inode->i_private);
 915 }
 916
 917 static const struct file_operations fops_temp = {
 918         .open           = wil_temp_seq_open,
 919         .release        = single_release,
 920         .read           = seq_read,
 921         .llseek         = seq_lseek,
 922 };
 923
 924 /*---------freq------------*/
 925 static int wil_freq_debugfs_show(struct seq_file *s, void *data)
 926 {
 927         struct wil6210_priv *wil = s->private;
 928         struct wireless_dev *wdev = wil_to_wdev(wil);
 929         u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
 930
 931         seq_printf(s, "Freq = %d\n", freq);
 932
 933         return 0;
 934 }
 935
 936 static int wil_freq_seq_open(struct inode *inode, struct file *file)
 937 {
 938         return single_open(file, wil_freq_debugfs_show, inode->i_private);
 939 }
 940
 941 static const struct file_operations fops_freq = {
 942         .open           = wil_freq_seq_open,
 943         .release        = single_release,
 944         .read           = seq_read,
 945         .llseek         = seq_lseek,
 946 };
 947
 948 /*---------link------------*/
 949 static int wil_link_debugfs_show(struct seq_file *s, void *data)
 950 {
 951         struct wil6210_priv *wil = s->private;
 952         struct station_info sinfo;
 953         int i, rc;
 954
 955         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 956                 struct wil_sta_info *p = &wil->sta[i];
 957                 char *status = "unknown";
 958
 959                 switch (p->status) {
 960                 case wil_sta_unused:
 961                         status = "unused   ";
 962                         break;
 963                 case wil_sta_conn_pending:
 964                         status = "pending  ";
 965                         break;
 966                 case wil_sta_connected:
 967                         status = "connected";
 968                         break;
 969                 }
 970                 seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
 971                            (p->data_port_open ? " data_port_open" : ""));
 972
 973                 if (p->status == wil_sta_connected) {
 974                         rc = wil_cid_fill_sinfo(wil, i, &sinfo);
 975                         if (rc)
 976                                 return rc;
 977
 978                         seq_printf(s, "  Tx_mcs = %d\n", sinfo.txrate.mcs);
 979                         seq_printf(s, "  Rx_mcs = %d\n", sinfo.rxrate.mcs);
 980                         seq_printf(s, "  SQ     = %d\n", sinfo.signal);
 981                 }
 982         }
 983
 984         return 0;
 985 }
 986
 987 static int wil_link_seq_open(struct inode *inode, struct file *file)
 988 {
 989         return single_open(file, wil_link_debugfs_show, inode->i_private);
 990 }
 991
 992 static const struct file_operations fops_link = {
 993         .open           = wil_link_seq_open,
 994         .release        = single_release,
 995         .read           = seq_read,
 996         .llseek         = seq_lseek,
 997 };
 998
 999 /*---------info------------*/
1000 static int wil_info_debugfs_show(struct seq_file *s, void *data)
1001 {
1002         struct wil6210_priv *wil = s->private;
1003         struct net_device *ndev = wil_to_ndev(wil);
1004         int is_ac = power_supply_is_system_supplied();
1005         int rx = atomic_xchg(&wil->isr_count_rx, 0);
1006         int tx = atomic_xchg(&wil->isr_count_tx, 0);
1007         static ulong rxf_old, txf_old;
1008         ulong rxf = ndev->stats.rx_packets;
1009         ulong txf = ndev->stats.tx_packets;
1010         unsigned int i;
1011
1012         /* >0 : AC; 0 : battery; <0 : error */
1013         seq_printf(s, "AC powered : %d\n", is_ac);
1014         seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1015         seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1016         rxf_old = rxf;
1017         txf_old = txf;
1018
1019 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1020         " " __stringify(x) : ""
1021
1022         for (i = 0; i < ndev->num_tx_queues; i++) {
1023                 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1024                 unsigned long state = txq->state;
1025
1026                 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1027                            CHECK_QSTATE(DRV_XOFF),
1028                            CHECK_QSTATE(STACK_XOFF),
1029                            CHECK_QSTATE(FROZEN)
1030                           );
1031         }
1032 #undef CHECK_QSTATE
1033         return 0;
1034 }
1035
1036 static int wil_info_seq_open(struct inode *inode, struct file *file)
1037 {
1038         return single_open(file, wil_info_debugfs_show, inode->i_private);
1039 }
1040
1041 static const struct file_operations fops_info = {
1042         .open           = wil_info_seq_open,
1043         .release        = single_release,
1044         .read           = seq_read,
1045         .llseek         = seq_lseek,
1046 };
1047
1048 /*---------recovery------------*/
1049 /* mode = [manual|auto]
1050  * state = [idle|pending|running]
1051  */
1052 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1053                                       size_t count, loff_t *ppos)
1054 {
1055         struct wil6210_priv *wil = file->private_data;
1056         char buf[80];
1057         int n;
1058         static const char * const sstate[] = {"idle", "pending", "running"};
1059
1060         n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1061                      no_fw_recovery ? "manual" : "auto",
1062                      sstate[wil->recovery_state]);
1063
1064         n = min_t(int, n, sizeof(buf));
1065
1066         return simple_read_from_buffer(user_buf, count, ppos,
1067                                        buf, n);
1068 }
1069
1070 static ssize_t wil_write_file_recovery(struct file *file,
1071                                        const char __user *buf_,
1072                                        size_t count, loff_t *ppos)
1073 {
1074         struct wil6210_priv *wil = file->private_data;
1075         static const char run_command[] = "run";
1076         char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1077         ssize_t rc;
1078
1079         if (wil->recovery_state != fw_recovery_pending) {
1080                 wil_err(wil, "No recovery pending\n");
1081                 return -EINVAL;
1082         }
1083
1084         if (*ppos != 0) {
1085                 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1086                 return -EINVAL;
1087         }
1088
1089         if (count > sizeof(buf)) {
1090                 wil_err(wil, "Input too long, len = %d\n", (int)count);
1091                 return -EINVAL;
1092         }
1093
1094         rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1095         if (rc < 0)
1096                 return rc;
1097
1098         buf[rc] = '\0';
1099         if (0 == strcmp(buf, run_command))
1100                 wil_set_recovery_state(wil, fw_recovery_running);
1101         else
1102                 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1103
1104         return rc;
1105 }
1106
1107 static const struct file_operations fops_recovery = {
1108         .read = wil_read_file_recovery,
1109         .write = wil_write_file_recovery,
1110         .open  = simple_open,
1111 };
1112
1113 /*---------Station matrix------------*/
1114 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1115 {
1116         int i;
1117         u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1118
1119         seq_printf(s, "0x%03x [", r->head_seq_num);
1120         for (i = 0; i < r->buf_size; i++) {
1121                 if (i == index)
1122                         seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1123                 else
1124                         seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1125         }
1126         seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
1127 }
1128
1129 static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1130 {
1131         struct wil6210_priv *wil = s->private;
1132         int i, tid;
1133         unsigned long flags;
1134
1135         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1136                 struct wil_sta_info *p = &wil->sta[i];
1137                 char *status = "unknown";
1138
1139                 switch (p->status) {
1140                 case wil_sta_unused:
1141                         status = "unused   ";
1142                         break;
1143                 case wil_sta_conn_pending:
1144                         status = "pending  ";
1145                         break;
1146                 case wil_sta_connected:
1147                         status = "connected";
1148                         break;
1149                 }
1150                 seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
1151                            (p->data_port_open ? " data_port_open" : ""));
1152
1153                 if (p->status == wil_sta_connected) {
1154                         spin_lock_irqsave(&p->tid_rx_lock, flags);
1155                         for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1156                                 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1157
1158                                 if (r) {
1159                                         seq_printf(s, "[%2d] ", tid);
1160                                         wil_print_rxtid(s, r);
1161                                 }
1162                         }
1163                         spin_unlock_irqrestore(&p->tid_rx_lock, flags);
1164                 }
1165         }
1166
1167         return 0;
1168 }
1169
1170 static int wil_sta_seq_open(struct inode *inode, struct file *file)
1171 {
1172         return single_open(file, wil_sta_debugfs_show, inode->i_private);
1173 }
1174
1175 static const struct file_operations fops_sta = {
1176         .open           = wil_sta_seq_open,
1177         .release        = single_release,
1178         .read           = seq_read,
1179         .llseek         = seq_lseek,
1180 };
1181
1182 /*----------------*/
1183 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1184                                        struct dentry *dbg)
1185 {
1186         int i;
1187         char name[32];
1188
1189         for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1190                 struct debugfs_blob_wrapper *blob = &wil->blobs[i];
1191                 const struct fw_map *map = &fw_mapping[i];
1192
1193                 if (!map->name)
1194                         continue;
1195
1196                 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1197                 blob->size = map->to - map->from;
1198                 snprintf(name, sizeof(name), "blob_%s", map->name);
1199                 wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
1200         }
1201 }
1202
1203 /* misc files */
1204 static const struct {
1205         const char *name;
1206         umode_t mode;
1207         const struct file_operations *fops;
1208 } dbg_files[] = {
1209         {"mbox",        S_IRUGO,                &fops_mbox},
1210         {"vrings",      S_IRUGO,                &fops_vring},
1211         {"stations",    S_IRUGO,                &fops_sta},
1212         {"desc",        S_IRUGO,                &fops_txdesc},
1213         {"bf",          S_IRUGO,                &fops_bf},
1214         {"ssid",        S_IRUGO | S_IWUSR,      &fops_ssid},
1215         {"mem_val",     S_IRUGO,                &fops_memread},
1216         {"reset",                 S_IWUSR,      &fops_reset},
1217         {"rxon",                  S_IWUSR,      &fops_rxon},
1218         {"tx_mgmt",               S_IWUSR,      &fops_txmgmt},
1219         {"wmi_send",              S_IWUSR,      &fops_wmi},
1220         {"temp",        S_IRUGO,                &fops_temp},
1221         {"freq",        S_IRUGO,                &fops_freq},
1222         {"link",        S_IRUGO,                &fops_link},
1223         {"info",        S_IRUGO,                &fops_info},
1224         {"recovery",    S_IRUGO | S_IWUSR,      &fops_recovery},
1225 };
1226
1227 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1228                                        struct dentry *dbg)
1229 {
1230         int i;
1231
1232         for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1233                 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1234                                     wil, dbg_files[i].fops);
1235 }
1236
1237 /* interrupt control blocks */
1238 static const struct {
1239         const char *name;
1240         u32 icr_off;
1241 } dbg_icr[] = {
1242         {"USER_ICR",            HOSTADDR(RGF_USER_USER_ICR)},
1243         {"DMA_EP_TX_ICR",       HOSTADDR(RGF_DMA_EP_TX_ICR)},
1244         {"DMA_EP_RX_ICR",       HOSTADDR(RGF_DMA_EP_RX_ICR)},
1245         {"DMA_EP_MISC_ICR",     HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1246 };
1247
1248 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1249                                      struct dentry *dbg)
1250 {
1251         int i;
1252
1253         for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1254                 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1255                                            dbg_icr[i].icr_off);
1256 }
1257
1258 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1259         offsetof(struct wil6210_priv, name), type}
1260
1261 /* fields in struct wil6210_priv */
1262 static const struct dbg_off dbg_wil_off[] = {
1263         WIL_FIELD(secure_pcp,   S_IRUGO | S_IWUSR,      doff_u32),
1264         WIL_FIELD(status,       S_IRUGO | S_IWUSR,      doff_ulong),
1265         WIL_FIELD(fw_version,   S_IRUGO,                doff_u32),
1266         WIL_FIELD(hw_version,   S_IRUGO,                doff_x32),
1267         WIL_FIELD(recovery_count, S_IRUGO,              doff_u32),
1268         {},
1269 };
1270
1271 static const struct dbg_off dbg_wil_regs[] = {
1272         {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1273                 doff_io32},
1274         {"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
1275         {},
1276 };
1277
1278 /* static parameters */
1279 static const struct dbg_off dbg_statics[] = {
1280         {"desc_index",  S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
1281         {"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
1282         {"mem_addr",    S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
1283         {},
1284 };
1285
1286 int wil6210_debugfs_init(struct wil6210_priv *wil)
1287 {
1288         struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1289                         wil_to_wiphy(wil)->debugfsdir);
1290
1291         if (IS_ERR_OR_NULL(dbg))
1292                 return -ENODEV;
1293
1294         wil6210_debugfs_init_files(wil, dbg);
1295         wil6210_debugfs_init_isr(wil, dbg);
1296         wil6210_debugfs_init_blobs(wil, dbg);
1297         wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1298         wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1299                                     dbg_wil_regs);
1300         wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1301
1302         wil6210_debugfs_create_pseudo_ISR(wil, dbg);
1303
1304         wil6210_debugfs_create_ITR_CNT(wil, dbg);
1305
1306         return 0;
1307 }
1308
1309 void wil6210_debugfs_remove(struct wil6210_priv *wil)
1310 {
1311         debugfs_remove_recursive(wil->debug);
1312         wil->debug = NULL;
1313 }