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         u32 v;
  54
  55         seq_printf(s, "VRING %s = {\n", name);
  56         seq_printf(s, "  pa     = %pad\n", &vring->pa);
  57         seq_printf(s, "  va     = 0x%p\n", vring->va);
  58         seq_printf(s, "  size   = %d\n", vring->size);
  59         seq_printf(s, "  swtail = %d\n", vring->swtail);
  60         seq_printf(s, "  swhead = %d\n", vring->swhead);
  61         seq_printf(s, "  hwtail = [0x%08x] -> ", vring->hwtail);
  62         if (x) {
  63                 v = ioread32(x);
  64                 seq_printf(s, "0x%08x = %d\n", v, v);
  65         } else {
  66                 seq_puts(s, "???\n");
  67         }
  68
  69         if (vring->va && (vring->size < 1025)) {
  70                 uint i;
  71
  72                 for (i = 0; i < vring->size; i++) {
  73                         volatile struct vring_tx_desc *d = &vring->va[i].tx;
  74
  75                         if ((i % 64) == 0 && (i != 0))
  76                                 seq_puts(s, "\n");
  77                         seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
  78                                         _s : (vring->ctx[i].skb ? _h : 'h'));
  79                 }
  80                 seq_puts(s, "\n");
  81         }
  82         seq_puts(s, "}\n");
  83 }
  84
  85 static int wil_vring_debugfs_show(struct seq_file *s, void *data)
  86 {
  87         uint i;
  88         struct wil6210_priv *wil = s->private;
  89
  90         wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
  91
  92         for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
  93                 struct vring *vring = &wil->vring_tx[i];
  94                 struct vring_tx_data *txdata = &wil->vring_tx_data[i];
  95
  96                 if (vring->va) {
  97                         int cid = wil->vring2cid_tid[i][0];
  98                         int tid = wil->vring2cid_tid[i][1];
  99                         u32 swhead = vring->swhead;
 100                         u32 swtail = vring->swtail;
 101                         int used = (vring->size + swhead - swtail)
 102                                    % vring->size;
 103                         int avail = vring->size - used - 1;
 104                         char name[10];
 105                         /* performance monitoring */
 106                         cycles_t now = get_cycles();
 107                         uint64_t idle = txdata->idle * 100;
 108                         uint64_t total = now - txdata->begin;
 109
 110                         do_div(idle, total);
 111                         txdata->begin = now;
 112                         txdata->idle = 0ULL;
 113
 114                         snprintf(name, sizeof(name), "tx_%2d", i);
 115
 116                         seq_printf(s,
 117                                    "\n%pM CID %d TID %d BACK([%d] %d TU A%s) [%3d|%3d] idle %3d%%\n",
 118                                    wil->sta[cid].addr, cid, tid,
 119                                    txdata->agg_wsize, txdata->agg_timeout,
 120                                    txdata->agg_amsdu ? "+" : "-",
 121                                    used, avail, (int)idle);
 122
 123                         wil_print_vring(s, wil, name, vring, '_', 'H');
 124                 }
 125         }
 126
 127         return 0;
 128 }
 129
 130 static int wil_vring_seq_open(struct inode *inode, struct file *file)
 131 {
 132         return single_open(file, wil_vring_debugfs_show, inode->i_private);
 133 }
 134
 135 static const struct file_operations fops_vring = {
 136         .open           = wil_vring_seq_open,
 137         .release        = single_release,
 138         .read           = seq_read,
 139         .llseek         = seq_lseek,
 140 };
 141
 142 static void wil_print_ring(struct seq_file *s, const char *prefix,
 143                            void __iomem *off)
 144 {
 145         struct wil6210_priv *wil = s->private;
 146         struct wil6210_mbox_ring r;
 147         int rsize;
 148         uint i;
 149
 150         wil_memcpy_fromio_32(&r, off, sizeof(r));
 151         wil_mbox_ring_le2cpus(&r);
 152         /*
 153          * we just read memory block from NIC. This memory may be
 154          * garbage. Check validity before using it.
 155          */
 156         rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
 157
 158         seq_printf(s, "ring %s = {\n", prefix);
 159         seq_printf(s, "  base = 0x%08x\n", r.base);
 160         seq_printf(s, "  size = 0x%04x bytes -> %d entries\n", r.size, rsize);
 161         seq_printf(s, "  tail = 0x%08x\n", r.tail);
 162         seq_printf(s, "  head = 0x%08x\n", r.head);
 163         seq_printf(s, "  entry size = %d\n", r.entry_size);
 164
 165         if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
 166                 seq_printf(s, "  ??? size is not multiple of %zd, garbage?\n",
 167                            sizeof(struct wil6210_mbox_ring_desc));
 168                 goto out;
 169         }
 170
 171         if (!wmi_addr(wil, r.base) ||
 172             !wmi_addr(wil, r.tail) ||
 173             !wmi_addr(wil, r.head)) {
 174                 seq_puts(s, "  ??? pointers are garbage?\n");
 175                 goto out;
 176         }
 177
 178         for (i = 0; i < rsize; i++) {
 179                 struct wil6210_mbox_ring_desc d;
 180                 struct wil6210_mbox_hdr hdr;
 181                 size_t delta = i * sizeof(d);
 182                 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
 183
 184                 wil_memcpy_fromio_32(&d, x, sizeof(d));
 185
 186                 seq_printf(s, "  [%2x] %s %s%s 0x%08x", i,
 187                            d.sync ? "F" : "E",
 188                            (r.tail - r.base == delta) ? "t" : " ",
 189                            (r.head - r.base == delta) ? "h" : " ",
 190                            le32_to_cpu(d.addr));
 191                 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
 192                         u16 len = le16_to_cpu(hdr.len);
 193
 194                         seq_printf(s, " -> %04x %04x %04x %02x\n",
 195                                    le16_to_cpu(hdr.seq), len,
 196                                    le16_to_cpu(hdr.type), hdr.flags);
 197                         if (len <= MAX_MBOXITEM_SIZE) {
 198                                 int n = 0;
 199                                 char printbuf[16 * 3 + 2];
 200                                 unsigned char databuf[MAX_MBOXITEM_SIZE];
 201                                 void __iomem *src = wmi_buffer(wil, d.addr) +
 202                                         sizeof(struct wil6210_mbox_hdr);
 203                                 /*
 204                                  * No need to check @src for validity -
 205                                  * we already validated @d.addr while
 206                                  * reading header
 207                                  */
 208                                 wil_memcpy_fromio_32(databuf, src, len);
 209                                 while (n < len) {
 210                                         int l = min(len - n, 16);
 211
 212                                         hex_dump_to_buffer(databuf + n, l,
 213                                                            16, 1, printbuf,
 214                                                            sizeof(printbuf),
 215                                                            false);
 216                                         seq_printf(s, "      : %s\n", printbuf);
 217                                         n += l;
 218                                 }
 219                         }
 220                 } else {
 221                         seq_puts(s, "\n");
 222                 }
 223         }
 224  out:
 225         seq_puts(s, "}\n");
 226 }
 227
 228 static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
 229 {
 230         struct wil6210_priv *wil = s->private;
 231
 232         wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
 233                        offsetof(struct wil6210_mbox_ctl, tx));
 234         wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
 235                        offsetof(struct wil6210_mbox_ctl, rx));
 236
 237         return 0;
 238 }
 239
 240 static int wil_mbox_seq_open(struct inode *inode, struct file *file)
 241 {
 242         return single_open(file, wil_mbox_debugfs_show, inode->i_private);
 243 }
 244
 245 static const struct file_operations fops_mbox = {
 246         .open           = wil_mbox_seq_open,
 247         .release        = single_release,
 248         .read           = seq_read,
 249         .llseek         = seq_lseek,
 250 };
 251
 252 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
 253 {
 254         iowrite32(val, (void __iomem *)data);
 255         wmb(); /* make sure write propagated to HW */
 256
 257         return 0;
 258 }
 259
 260 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
 261 {
 262         *val = ioread32((void __iomem *)data);
 263
 264         return 0;
 265 }
 266
 267 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 268                         wil_debugfs_iomem_x32_set, "0x%08llx\n");
 269
 270 static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
 271                                                    umode_t mode,
 272                                                    struct dentry *parent,
 273                                                    void *value)
 274 {
 275         return debugfs_create_file(name, mode, parent, value,
 276                                    &fops_iomem_x32);
 277 }
 278
 279 static int wil_debugfs_ulong_set(void *data, u64 val)
 280 {
 281         *(ulong *)data = val;
 282         return 0;
 283 }
 284
 285 static int wil_debugfs_ulong_get(void *data, u64 *val)
 286 {
 287         *val = *(ulong *)data;
 288         return 0;
 289 }
 290
 291 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 292                         wil_debugfs_ulong_set, "%llu\n");
 293
 294 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
 295                                                struct dentry *parent,
 296                                                ulong *value)
 297 {
 298         return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
 299 }
 300
 301 /**
 302  * wil6210_debugfs_init_offset - create set of debugfs files
 303  * @wil - driver's context, used for printing
 304  * @dbg - directory on the debugfs, where files will be created
 305  * @base - base address used in address calculation
 306  * @tbl - table with file descriptions. Should be terminated with empty element.
 307  *
 308  * Creates files accordingly to the @tbl.
 309  */
 310 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
 311                                         struct dentry *dbg, void *base,
 312                                         const struct dbg_off * const tbl)
 313 {
 314         int i;
 315
 316         for (i = 0; tbl[i].name; i++) {
 317                 struct dentry *f;
 318
 319                 switch (tbl[i].type) {
 320                 case doff_u32:
 321                         f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
 322                                                base + tbl[i].off);
 323                         break;
 324                 case doff_x32:
 325                         f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
 326                                                base + tbl[i].off);
 327                         break;
 328                 case doff_ulong:
 329                         f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
 330                                                      dbg, base + tbl[i].off);
 331                         break;
 332                 case doff_io32:
 333                         f = wil_debugfs_create_iomem_x32(tbl[i].name,
 334                                                          tbl[i].mode, dbg,
 335                                                          base + tbl[i].off);
 336                         break;
 337                 default:
 338                         f = ERR_PTR(-EINVAL);
 339                 }
 340                 if (IS_ERR_OR_NULL(f))
 341                         wil_err(wil, "Create file \"%s\": err %ld\n",
 342                                 tbl[i].name, PTR_ERR(f));
 343         }
 344 }
 345
 346 static const struct dbg_off isr_off[] = {
 347         {"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
 348         {"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
 349         {"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
 350         {"ICS",           S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
 351         {"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
 352         {"IMS",           S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
 353         {"IMC",           S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
 354         {},
 355 };
 356
 357 static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
 358                                       const char *name,
 359                                       struct dentry *parent, u32 off)
 360 {
 361         struct dentry *d = debugfs_create_dir(name, parent);
 362
 363         if (IS_ERR_OR_NULL(d))
 364                 return -ENODEV;
 365
 366         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
 367                                     isr_off);
 368
 369         return 0;
 370 }
 371
 372 static const struct dbg_off pseudo_isr_off[] = {
 373         {"CAUSE",   S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
 374         {"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
 375         {"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
 376         {},
 377 };
 378
 379 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
 380                                              struct dentry *parent)
 381 {
 382         struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
 383
 384         if (IS_ERR_OR_NULL(d))
 385                 return -ENODEV;
 386
 387         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 388                                     pseudo_isr_off);
 389
 390         return 0;
 391 }
 392
 393 static const struct dbg_off itr_cnt_off[] = {
 394         {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
 395         {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
 396         {"CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
 397         {},
 398 };
 399
 400 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 401                                           struct dentry *parent)
 402 {
 403         struct dentry *d = debugfs_create_dir("ITR_CNT", parent);
 404
 405         if (IS_ERR_OR_NULL(d))
 406                 return -ENODEV;
 407
 408         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 409                                     itr_cnt_off);
 410
 411         return 0;
 412 }
 413
 414 static int wil_memread_debugfs_show(struct seq_file *s, void *data)
 415 {
 416         struct wil6210_priv *wil = s->private;
 417         void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
 418
 419         if (a)
 420                 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, ioread32(a));
 421         else
 422                 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
 423
 424         return 0;
 425 }
 426
 427 static int wil_memread_seq_open(struct inode *inode, struct file *file)
 428 {
 429         return single_open(file, wil_memread_debugfs_show, inode->i_private);
 430 }
 431
 432 static const struct file_operations fops_memread = {
 433         .open           = wil_memread_seq_open,
 434         .release        = single_release,
 435         .read           = seq_read,
 436         .llseek         = seq_lseek,
 437 };
 438
 439 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
 440                                     size_t count, loff_t *ppos)
 441 {
 442         enum { max_count = 4096 };
 443         struct debugfs_blob_wrapper *blob = file->private_data;
 444         loff_t pos = *ppos;
 445         size_t available = blob->size;
 446         void *buf;
 447         size_t ret;
 448
 449         if (pos < 0)
 450                 return -EINVAL;
 451
 452         if (pos >= available || !count)
 453                 return 0;
 454
 455         if (count > available - pos)
 456                 count = available - pos;
 457         if (count > max_count)
 458                 count = max_count;
 459
 460         buf = kmalloc(count, GFP_KERNEL);
 461         if (!buf)
 462                 return -ENOMEM;
 463
 464         wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
 465                              pos, count);
 466
 467         ret = copy_to_user(user_buf, buf, count);
 468         kfree(buf);
 469         if (ret == count)
 470                 return -EFAULT;
 471
 472         count -= ret;
 473         *ppos = pos + count;
 474
 475         return count;
 476 }
 477
 478 static const struct file_operations fops_ioblob = {
 479         .read =         wil_read_file_ioblob,
 480         .open =         simple_open,
 481         .llseek =       default_llseek,
 482 };
 483
 484 static
 485 struct dentry *wil_debugfs_create_ioblob(const char *name,
 486                                          umode_t mode,
 487                                          struct dentry *parent,
 488                                          struct debugfs_blob_wrapper *blob)
 489 {
 490         return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
 491 }
 492
 493 /*---reset---*/
 494 static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
 495                                     size_t len, loff_t *ppos)
 496 {
 497         struct wil6210_priv *wil = file->private_data;
 498         struct net_device *ndev = wil_to_ndev(wil);
 499
 500         /**
 501          * BUG:
 502          * this code does NOT sync device state with the rest of system
 503          * use with care, debug only!!!
 504          */
 505         rtnl_lock();
 506         dev_close(ndev);
 507         ndev->flags &= ~IFF_UP;
 508         rtnl_unlock();
 509         wil_reset(wil);
 510
 511         return len;
 512 }
 513
 514 static const struct file_operations fops_reset = {
 515         .write = wil_write_file_reset,
 516         .open  = simple_open,
 517 };
 518
 519 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
 520 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
 521                                    size_t len, loff_t *ppos)
 522 {
 523         struct wil6210_priv *wil = file->private_data;
 524         int rc;
 525         long channel;
 526         bool on;
 527
 528         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 529
 530         if (!kbuf)
 531                 return -ENOMEM;
 532         if (copy_from_user(kbuf, buf, len)) {
 533                 kfree(kbuf);
 534                 return -EIO;
 535         }
 536
 537         kbuf[len] = '\0';
 538         rc = kstrtol(kbuf, 0, &channel);
 539         kfree(kbuf);
 540         if (rc)
 541                 return rc;
 542
 543         if ((channel < 0) || (channel > 4)) {
 544                 wil_err(wil, "Invalid channel %ld\n", channel);
 545                 return -EINVAL;
 546         }
 547         on = !!channel;
 548
 549         if (on) {
 550                 rc = wmi_set_channel(wil, (int)channel);
 551                 if (rc)
 552                         return rc;
 553         }
 554
 555         rc = wmi_rxon(wil, on);
 556         if (rc)
 557                 return rc;
 558
 559         return len;
 560 }
 561
 562 static const struct file_operations fops_rxon = {
 563         .write = wil_write_file_rxon,
 564         .open  = simple_open,
 565 };
 566
 567 /* block ack for vring 0
 568  * write 0 to it to trigger DELBA
 569  * write positive agg_wsize to trigger ADDBA
 570  */
 571 static ssize_t wil_write_addba(struct file *file, const char __user *buf,
 572                                size_t len, loff_t *ppos)
 573 {
 574         struct wil6210_priv *wil = file->private_data;
 575         int rc;
 576         uint agg_wsize;
 577         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 578
 579         if (!kbuf)
 580                 return -ENOMEM;
 581
 582         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 583         if (rc != len) {
 584                 kfree(kbuf);
 585                 return rc >= 0 ? -EIO : rc;
 586         }
 587
 588         kbuf[len] = '\0';
 589         rc = kstrtouint(kbuf, 0, &agg_wsize);
 590         kfree(kbuf);
 591
 592         if (rc)
 593                 return rc;
 594
 595         if (!wil->vring_tx[0].va)
 596                 return -EINVAL;
 597
 598         if (agg_wsize > 0)
 599                 wmi_addba(wil, 0, agg_wsize, 0);
 600         else
 601                 wmi_delba_tx(wil, 0, 0);
 602
 603         return len;
 604 }
 605
 606 static const struct file_operations fops_addba = {
 607         .write = wil_write_addba,
 608         .open  = simple_open,
 609 };
 610
 611 /*---tx_mgmt---*/
 612 /* Write mgmt frame to this file to send it */
 613 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
 614                                      size_t len, loff_t *ppos)
 615 {
 616         struct wil6210_priv *wil = file->private_data;
 617         struct wiphy *wiphy = wil_to_wiphy(wil);
 618         struct wireless_dev *wdev = wil_to_wdev(wil);
 619         struct cfg80211_mgmt_tx_params params;
 620         int rc;
 621         void *frame = kmalloc(len, GFP_KERNEL);
 622
 623         if (!frame)
 624                 return -ENOMEM;
 625
 626         if (copy_from_user(frame, buf, len)) {
 627                 kfree(frame);
 628                 return -EIO;
 629         }
 630
 631         params.buf = frame;
 632         params.len = len;
 633         params.chan = wdev->preset_chandef.chan;
 634
 635         rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
 636
 637         kfree(frame);
 638         wil_info(wil, "%s() -> %d\n", __func__, rc);
 639
 640         return len;
 641 }
 642
 643 static const struct file_operations fops_txmgmt = {
 644         .write = wil_write_file_txmgmt,
 645         .open  = simple_open,
 646 };
 647
 648 /* Write WMI command (w/o mbox header) to this file to send it
 649  * WMI starts from wil6210_mbox_hdr_wmi header
 650  */
 651 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
 652                                   size_t len, loff_t *ppos)
 653 {
 654         struct wil6210_priv *wil = file->private_data;
 655         struct wil6210_mbox_hdr_wmi *wmi;
 656         void *cmd;
 657         int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
 658         u16 cmdid;
 659         int rc, rc1;
 660
 661         if (cmdlen <= 0)
 662                 return -EINVAL;
 663
 664         wmi = kmalloc(len, GFP_KERNEL);
 665         if (!wmi)
 666                 return -ENOMEM;
 667
 668         rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
 669         if (rc < 0) {
 670                 kfree(wmi);
 671                 return rc;
 672         }
 673
 674         cmd = &wmi[1];
 675         cmdid = le16_to_cpu(wmi->id);
 676
 677         rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
 678         kfree(wmi);
 679
 680         wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
 681
 682         return rc;
 683 }
 684
 685 static const struct file_operations fops_wmi = {
 686         .write = wil_write_file_wmi,
 687         .open  = simple_open,
 688 };
 689
 690 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
 691                             const char *prefix)
 692 {
 693         char printbuf[16 * 3 + 2];
 694         int i = 0;
 695
 696         while (i < len) {
 697                 int l = min(len - i, 16);
 698
 699                 hex_dump_to_buffer(p + i, l, 16, 1, printbuf,
 700                                    sizeof(printbuf), false);
 701                 seq_printf(s, "%s%s\n", prefix, printbuf);
 702                 i += l;
 703         }
 704 }
 705
 706 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
 707 {
 708         int i = 0;
 709         int len = skb_headlen(skb);
 710         void *p = skb->data;
 711         int nr_frags = skb_shinfo(skb)->nr_frags;
 712
 713         seq_printf(s, "    len = %d\n", len);
 714         wil_seq_hexdump(s, p, len, "      : ");
 715
 716         if (nr_frags) {
 717                 seq_printf(s, "    nr_frags = %d\n", nr_frags);
 718                 for (i = 0; i < nr_frags; i++) {
 719                         const struct skb_frag_struct *frag =
 720                                         &skb_shinfo(skb)->frags[i];
 721
 722                         len = skb_frag_size(frag);
 723                         p = skb_frag_address_safe(frag);
 724                         seq_printf(s, "    [%2d] : len = %d\n", i, len);
 725                         wil_seq_hexdump(s, p, len, "      : ");
 726                 }
 727         }
 728 }
 729
 730 /*---------Tx/Rx descriptor------------*/
 731 static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
 732 {
 733         struct wil6210_priv *wil = s->private;
 734         struct vring *vring;
 735         bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
 736
 737         vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
 738
 739         if (!vring->va) {
 740                 if (tx)
 741                         seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
 742                 else
 743                         seq_puts(s, "No Rx VRING\n");
 744                 return 0;
 745         }
 746
 747         if (dbg_txdesc_index < vring->size) {
 748                 /* use struct vring_tx_desc for Rx as well,
 749                  * only field used, .dma.length, is the same
 750                  */
 751                 volatile struct vring_tx_desc *d =
 752                                 &vring->va[dbg_txdesc_index].tx;
 753                 volatile u32 *u = (volatile u32 *)d;
 754                 struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
 755
 756                 if (tx)
 757                         seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
 758                                    dbg_txdesc_index);
 759                 else
 760                         seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
 761                 seq_printf(s, "  MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
 762                            u[0], u[1], u[2], u[3]);
 763                 seq_printf(s, "  DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
 764                            u[4], u[5], u[6], u[7]);
 765                 seq_printf(s, "  SKB = 0x%p\n", skb);
 766
 767                 if (skb) {
 768                         skb_get(skb);
 769                         wil_seq_print_skb(s, skb);
 770                         kfree_skb(skb);
 771                 }
 772                 seq_puts(s, "}\n");
 773         } else {
 774                 if (tx)
 775                         seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
 776                                    dbg_vring_index, dbg_txdesc_index,
 777                                    vring->size);
 778                 else
 779                         seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
 780                                    dbg_txdesc_index, vring->size);
 781         }
 782
 783         return 0;
 784 }
 785
 786 static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
 787 {
 788         return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
 789 }
 790
 791 static const struct file_operations fops_txdesc = {
 792         .open           = wil_txdesc_seq_open,
 793         .release        = single_release,
 794         .read           = seq_read,
 795         .llseek         = seq_lseek,
 796 };
 797
 798 /*---------beamforming------------*/
 799 static char *wil_bfstatus_str(u32 status)
 800 {
 801         switch (status) {
 802         case 0:
 803                 return "Failed";
 804         case 1:
 805                 return "OK";
 806         case 2:
 807                 return "Retrying";
 808         default:
 809                 return "??";
 810         }
 811 }
 812
 813 static bool is_all_zeros(void * const x_, size_t sz)
 814 {
 815         /* if reply is all-0, ignore this CID */
 816         u32 *x = x_;
 817         int n;
 818
 819         for (n = 0; n < sz / sizeof(*x); n++)
 820                 if (x[n])
 821                         return false;
 822
 823         return true;
 824 }
 825
 826 static int wil_bf_debugfs_show(struct seq_file *s, void *data)
 827 {
 828         int rc;
 829         int i;
 830         struct wil6210_priv *wil = s->private;
 831         struct wmi_notify_req_cmd cmd = {
 832                 .interval_usec = 0,
 833         };
 834         struct {
 835                 struct wil6210_mbox_hdr_wmi wmi;
 836                 struct wmi_notify_req_done_event evt;
 837         } __packed reply;
 838
 839         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 840                 u32 status;
 841
 842                 cmd.cid = i;
 843                 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
 844                               WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
 845                               sizeof(reply), 20);
 846                 /* if reply is all-0, ignore this CID */
 847                 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
 848                         continue;
 849
 850                 status = le32_to_cpu(reply.evt.status);
 851                 seq_printf(s, "CID %d {\n"
 852                            "  TSF = 0x%016llx\n"
 853                            "  TxMCS = %2d TxTpt = %4d\n"
 854                            "  SQI = %4d\n"
 855                            "  Status = 0x%08x %s\n"
 856                            "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
 857                            "  Goodput(rx:tx) %4d:%4d\n"
 858                            "}\n",
 859                            i,
 860                            le64_to_cpu(reply.evt.tsf),
 861                            le16_to_cpu(reply.evt.bf_mcs),
 862                            le32_to_cpu(reply.evt.tx_tpt),
 863                            reply.evt.sqi,
 864                            status, wil_bfstatus_str(status),
 865                            le16_to_cpu(reply.evt.my_rx_sector),
 866                            le16_to_cpu(reply.evt.my_tx_sector),
 867                            le16_to_cpu(reply.evt.other_rx_sector),
 868                            le16_to_cpu(reply.evt.other_tx_sector),
 869                            le32_to_cpu(reply.evt.rx_goodput),
 870                            le32_to_cpu(reply.evt.tx_goodput));
 871         }
 872         return 0;
 873 }
 874
 875 static int wil_bf_seq_open(struct inode *inode, struct file *file)
 876 {
 877         return single_open(file, wil_bf_debugfs_show, inode->i_private);
 878 }
 879
 880 static const struct file_operations fops_bf = {
 881         .open           = wil_bf_seq_open,
 882         .release        = single_release,
 883         .read           = seq_read,
 884         .llseek         = seq_lseek,
 885 };
 886
 887 /*---------SSID------------*/
 888 static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
 889                                   size_t count, loff_t *ppos)
 890 {
 891         struct wil6210_priv *wil = file->private_data;
 892         struct wireless_dev *wdev = wil_to_wdev(wil);
 893
 894         return simple_read_from_buffer(user_buf, count, ppos,
 895                                        wdev->ssid, wdev->ssid_len);
 896 }
 897
 898 static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
 899                                    size_t count, loff_t *ppos)
 900 {
 901         struct wil6210_priv *wil = file->private_data;
 902         struct wireless_dev *wdev = wil_to_wdev(wil);
 903         struct net_device *ndev = wil_to_ndev(wil);
 904
 905         if (*ppos != 0) {
 906                 wil_err(wil, "Unable to set SSID substring from [%d]\n",
 907                         (int)*ppos);
 908                 return -EINVAL;
 909         }
 910
 911         if (count > sizeof(wdev->ssid)) {
 912                 wil_err(wil, "SSID too long, len = %d\n", (int)count);
 913                 return -EINVAL;
 914         }
 915         if (netif_running(ndev)) {
 916                 wil_err(wil, "Unable to change SSID on running interface\n");
 917                 return -EINVAL;
 918         }
 919
 920         wdev->ssid_len = count;
 921         return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
 922                                       buf, count);
 923 }
 924
 925 static const struct file_operations fops_ssid = {
 926         .read = wil_read_file_ssid,
 927         .write = wil_write_file_ssid,
 928         .open  = simple_open,
 929 };
 930
 931 /*---------temp------------*/
 932 static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 933 {
 934         switch (t) {
 935         case 0:
 936         case ~(u32)0:
 937                 seq_printf(s, "%s N/A\n", prefix);
 938         break;
 939         default:
 940                 seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
 941                 break;
 942         }
 943 }
 944
 945 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
 946 {
 947         struct wil6210_priv *wil = s->private;
 948         u32 t_m, t_r;
 949         int rc = wmi_get_temperature(wil, &t_m, &t_r);
 950
 951         if (rc) {
 952                 seq_puts(s, "Failed\n");
 953                 return 0;
 954         }
 955
 956         print_temp(s, "T_mac   =", t_m);
 957         print_temp(s, "T_radio =", t_r);
 958
 959         return 0;
 960 }
 961
 962 static int wil_temp_seq_open(struct inode *inode, struct file *file)
 963 {
 964         return single_open(file, wil_temp_debugfs_show, inode->i_private);
 965 }
 966
 967 static const struct file_operations fops_temp = {
 968         .open           = wil_temp_seq_open,
 969         .release        = single_release,
 970         .read           = seq_read,
 971         .llseek         = seq_lseek,
 972 };
 973
 974 /*---------freq------------*/
 975 static int wil_freq_debugfs_show(struct seq_file *s, void *data)
 976 {
 977         struct wil6210_priv *wil = s->private;
 978         struct wireless_dev *wdev = wil_to_wdev(wil);
 979         u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
 980
 981         seq_printf(s, "Freq = %d\n", freq);
 982
 983         return 0;
 984 }
 985
 986 static int wil_freq_seq_open(struct inode *inode, struct file *file)
 987 {
 988         return single_open(file, wil_freq_debugfs_show, inode->i_private);
 989 }
 990
 991 static const struct file_operations fops_freq = {
 992         .open           = wil_freq_seq_open,
 993         .release        = single_release,
 994         .read           = seq_read,
 995         .llseek         = seq_lseek,
 996 };
 997
 998 /*---------link------------*/
 999 static int wil_link_debugfs_show(struct seq_file *s, void *data)
1000 {
1001         struct wil6210_priv *wil = s->private;
1002         struct station_info sinfo;
1003         int i, rc;
1004
1005         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1006                 struct wil_sta_info *p = &wil->sta[i];
1007                 char *status = "unknown";
1008
1009                 switch (p->status) {
1010                 case wil_sta_unused:
1011                         status = "unused   ";
1012                         break;
1013                 case wil_sta_conn_pending:
1014                         status = "pending  ";
1015                         break;
1016                 case wil_sta_connected:
1017                         status = "connected";
1018                         break;
1019                 }
1020                 seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
1021                            (p->data_port_open ? " data_port_open" : ""));
1022
1023                 if (p->status == wil_sta_connected) {
1024                         rc = wil_cid_fill_sinfo(wil, i, &sinfo);
1025                         if (rc)
1026                                 return rc;
1027
1028                         seq_printf(s, "  Tx_mcs = %d\n", sinfo.txrate.mcs);
1029                         seq_printf(s, "  Rx_mcs = %d\n", sinfo.rxrate.mcs);
1030                         seq_printf(s, "  SQ     = %d\n", sinfo.signal);
1031                 }
1032         }
1033
1034         return 0;
1035 }
1036
1037 static int wil_link_seq_open(struct inode *inode, struct file *file)
1038 {
1039         return single_open(file, wil_link_debugfs_show, inode->i_private);
1040 }
1041
1042 static const struct file_operations fops_link = {
1043         .open           = wil_link_seq_open,
1044         .release        = single_release,
1045         .read           = seq_read,
1046         .llseek         = seq_lseek,
1047 };
1048
1049 /*---------info------------*/
1050 static int wil_info_debugfs_show(struct seq_file *s, void *data)
1051 {
1052         struct wil6210_priv *wil = s->private;
1053         struct net_device *ndev = wil_to_ndev(wil);
1054         int is_ac = power_supply_is_system_supplied();
1055         int rx = atomic_xchg(&wil->isr_count_rx, 0);
1056         int tx = atomic_xchg(&wil->isr_count_tx, 0);
1057         static ulong rxf_old, txf_old;
1058         ulong rxf = ndev->stats.rx_packets;
1059         ulong txf = ndev->stats.tx_packets;
1060         unsigned int i;
1061
1062         /* >0 : AC; 0 : battery; <0 : error */
1063         seq_printf(s, "AC powered : %d\n", is_ac);
1064         seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1065         seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1066         rxf_old = rxf;
1067         txf_old = txf;
1068
1069 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1070         " " __stringify(x) : ""
1071
1072         for (i = 0; i < ndev->num_tx_queues; i++) {
1073                 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1074                 unsigned long state = txq->state;
1075
1076                 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1077                            CHECK_QSTATE(DRV_XOFF),
1078                            CHECK_QSTATE(STACK_XOFF),
1079                            CHECK_QSTATE(FROZEN)
1080                           );
1081         }
1082 #undef CHECK_QSTATE
1083         return 0;
1084 }
1085
1086 static int wil_info_seq_open(struct inode *inode, struct file *file)
1087 {
1088         return single_open(file, wil_info_debugfs_show, inode->i_private);
1089 }
1090
1091 static const struct file_operations fops_info = {
1092         .open           = wil_info_seq_open,
1093         .release        = single_release,
1094         .read           = seq_read,
1095         .llseek         = seq_lseek,
1096 };
1097
1098 /*---------recovery------------*/
1099 /* mode = [manual|auto]
1100  * state = [idle|pending|running]
1101  */
1102 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1103                                       size_t count, loff_t *ppos)
1104 {
1105         struct wil6210_priv *wil = file->private_data;
1106         char buf[80];
1107         int n;
1108         static const char * const sstate[] = {"idle", "pending", "running"};
1109
1110         n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1111                      no_fw_recovery ? "manual" : "auto",
1112                      sstate[wil->recovery_state]);
1113
1114         n = min_t(int, n, sizeof(buf));
1115
1116         return simple_read_from_buffer(user_buf, count, ppos,
1117                                        buf, n);
1118 }
1119
1120 static ssize_t wil_write_file_recovery(struct file *file,
1121                                        const char __user *buf_,
1122                                        size_t count, loff_t *ppos)
1123 {
1124         struct wil6210_priv *wil = file->private_data;
1125         static const char run_command[] = "run";
1126         char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1127         ssize_t rc;
1128
1129         if (wil->recovery_state != fw_recovery_pending) {
1130                 wil_err(wil, "No recovery pending\n");
1131                 return -EINVAL;
1132         }
1133
1134         if (*ppos != 0) {
1135                 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1136                 return -EINVAL;
1137         }
1138
1139         if (count > sizeof(buf)) {
1140                 wil_err(wil, "Input too long, len = %d\n", (int)count);
1141                 return -EINVAL;
1142         }
1143
1144         rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1145         if (rc < 0)
1146                 return rc;
1147
1148         buf[rc] = '\0';
1149         if (0 == strcmp(buf, run_command))
1150                 wil_set_recovery_state(wil, fw_recovery_running);
1151         else
1152                 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1153
1154         return rc;
1155 }
1156
1157 static const struct file_operations fops_recovery = {
1158         .read = wil_read_file_recovery,
1159         .write = wil_write_file_recovery,
1160         .open  = simple_open,
1161 };
1162
1163 /*---------Station matrix------------*/
1164 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1165 {
1166         int i;
1167         u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1168
1169         seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
1170                    r->head_seq_num);
1171         for (i = 0; i < r->buf_size; i++) {
1172                 if (i == index)
1173                         seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1174                 else
1175                         seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1176         }
1177         seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
1178 }
1179
1180 static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1181 {
1182         struct wil6210_priv *wil = s->private;
1183         int i, tid;
1184         unsigned long flags;
1185
1186         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1187                 struct wil_sta_info *p = &wil->sta[i];
1188                 char *status = "unknown";
1189
1190                 switch (p->status) {
1191                 case wil_sta_unused:
1192                         status = "unused   ";
1193                         break;
1194                 case wil_sta_conn_pending:
1195                         status = "pending  ";
1196                         break;
1197                 case wil_sta_connected:
1198                         status = "connected";
1199                         break;
1200                 }
1201                 seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
1202                            (p->data_port_open ? " data_port_open" : ""));
1203
1204                 if (p->status == wil_sta_connected) {
1205                         spin_lock_irqsave(&p->tid_rx_lock, flags);
1206                         for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1207                                 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1208
1209                                 if (r) {
1210                                         seq_printf(s, "[%2d] ", tid);
1211                                         wil_print_rxtid(s, r);
1212                                 }
1213                         }
1214                         spin_unlock_irqrestore(&p->tid_rx_lock, flags);
1215                 }
1216         }
1217
1218         return 0;
1219 }
1220
1221 static int wil_sta_seq_open(struct inode *inode, struct file *file)
1222 {
1223         return single_open(file, wil_sta_debugfs_show, inode->i_private);
1224 }
1225
1226 static const struct file_operations fops_sta = {
1227         .open           = wil_sta_seq_open,
1228         .release        = single_release,
1229         .read           = seq_read,
1230         .llseek         = seq_lseek,
1231 };
1232
1233 /*----------------*/
1234 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1235                                        struct dentry *dbg)
1236 {
1237         int i;
1238         char name[32];
1239
1240         for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1241                 struct debugfs_blob_wrapper *blob = &wil->blobs[i];
1242                 const struct fw_map *map = &fw_mapping[i];
1243
1244                 if (!map->name)
1245                         continue;
1246
1247                 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1248                 blob->size = map->to - map->from;
1249                 snprintf(name, sizeof(name), "blob_%s", map->name);
1250                 wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
1251         }
1252 }
1253
1254 /* misc files */
1255 static const struct {
1256         const char *name;
1257         umode_t mode;
1258         const struct file_operations *fops;
1259 } dbg_files[] = {
1260         {"mbox",        S_IRUGO,                &fops_mbox},
1261         {"vrings",      S_IRUGO,                &fops_vring},
1262         {"stations",    S_IRUGO,                &fops_sta},
1263         {"desc",        S_IRUGO,                &fops_txdesc},
1264         {"bf",          S_IRUGO,                &fops_bf},
1265         {"ssid",        S_IRUGO | S_IWUSR,      &fops_ssid},
1266         {"mem_val",     S_IRUGO,                &fops_memread},
1267         {"reset",                 S_IWUSR,      &fops_reset},
1268         {"rxon",                  S_IWUSR,      &fops_rxon},
1269         {"tx_mgmt",               S_IWUSR,      &fops_txmgmt},
1270         {"wmi_send",              S_IWUSR,      &fops_wmi},
1271         {"addba",                 S_IWUSR,      &fops_addba},
1272         {"temp",        S_IRUGO,                &fops_temp},
1273         {"freq",        S_IRUGO,                &fops_freq},
1274         {"link",        S_IRUGO,                &fops_link},
1275         {"info",        S_IRUGO,                &fops_info},
1276         {"recovery",    S_IRUGO | S_IWUSR,      &fops_recovery},
1277 };
1278
1279 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1280                                        struct dentry *dbg)
1281 {
1282         int i;
1283
1284         for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1285                 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1286                                     wil, dbg_files[i].fops);
1287 }
1288
1289 /* interrupt control blocks */
1290 static const struct {
1291         const char *name;
1292         u32 icr_off;
1293 } dbg_icr[] = {
1294         {"USER_ICR",            HOSTADDR(RGF_USER_USER_ICR)},
1295         {"DMA_EP_TX_ICR",       HOSTADDR(RGF_DMA_EP_TX_ICR)},
1296         {"DMA_EP_RX_ICR",       HOSTADDR(RGF_DMA_EP_RX_ICR)},
1297         {"DMA_EP_MISC_ICR",     HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1298 };
1299
1300 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1301                                      struct dentry *dbg)
1302 {
1303         int i;
1304
1305         for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1306                 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1307                                            dbg_icr[i].icr_off);
1308 }
1309
1310 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1311         offsetof(struct wil6210_priv, name), type}
1312
1313 /* fields in struct wil6210_priv */
1314 static const struct dbg_off dbg_wil_off[] = {
1315         WIL_FIELD(secure_pcp,   S_IRUGO | S_IWUSR,      doff_u32),
1316         WIL_FIELD(status[0],    S_IRUGO | S_IWUSR,      doff_ulong),
1317         WIL_FIELD(fw_version,   S_IRUGO,                doff_u32),
1318         WIL_FIELD(hw_version,   S_IRUGO,                doff_x32),
1319         WIL_FIELD(recovery_count, S_IRUGO,              doff_u32),
1320         {},
1321 };
1322
1323 static const struct dbg_off dbg_wil_regs[] = {
1324         {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1325                 doff_io32},
1326         {"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
1327         {},
1328 };
1329
1330 /* static parameters */
1331 static const struct dbg_off dbg_statics[] = {
1332         {"desc_index",  S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
1333         {"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
1334         {"mem_addr",    S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
1335         {},
1336 };
1337
1338 int wil6210_debugfs_init(struct wil6210_priv *wil)
1339 {
1340         struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1341                         wil_to_wiphy(wil)->debugfsdir);
1342
1343         if (IS_ERR_OR_NULL(dbg))
1344                 return -ENODEV;
1345
1346         wil6210_debugfs_init_files(wil, dbg);
1347         wil6210_debugfs_init_isr(wil, dbg);
1348         wil6210_debugfs_init_blobs(wil, dbg);
1349         wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1350         wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1351                                     dbg_wil_regs);
1352         wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1353
1354         wil6210_debugfs_create_pseudo_ISR(wil, dbg);
1355
1356         wil6210_debugfs_create_ITR_CNT(wil, dbg);
1357
1358         return 0;
1359 }
1360
1361 void wil6210_debugfs_remove(struct wil6210_priv *wil)
1362 {
1363         debugfs_remove_recursive(wil->debug);
1364         wil->debug = NULL;
1365 }