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

   1 /*
   2  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
   3  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/debugfs.h>
  20 #include <linux/seq_file.h>
  21 #include <linux/pci.h>
  22 #include <linux/rtnetlink.h>
  23 #include <linux/power_supply.h>
  24 #include "wil6210.h"
  25 #include "wmi.h"
  26 #include "txrx.h"
  27 #include "pmc.h"
  28
  29 /* Nasty hack. Better have per device instances */
  30 static u32 mem_addr;
  31 static u32 dbg_txdesc_index;
  32 static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
  33
  34 enum dbg_off_type {
  35         doff_u32 = 0,
  36         doff_x32 = 1,
  37         doff_ulong = 2,
  38         doff_io32 = 3,
  39         doff_u8 = 4
  40 };
  41
  42 /* offset to "wil" */
  43 struct dbg_off {
  44         const char *name;
  45         umode_t mode;
  46         ulong off;
  47         enum dbg_off_type type;
  48 };
  49
  50 static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
  51                             const char *name, struct vring *vring,
  52                             char _s, char _h)
  53 {
  54         void __iomem *x = wmi_addr(wil, vring->hwtail);
  55         u32 v;
  56
  57         seq_printf(s, "VRING %s = {\n", name);
  58         seq_printf(s, "  pa     = %pad\n", &vring->pa);
  59         seq_printf(s, "  va     = 0x%p\n", vring->va);
  60         seq_printf(s, "  size   = %d\n", vring->size);
  61         seq_printf(s, "  swtail = %d\n", vring->swtail);
  62         seq_printf(s, "  swhead = %d\n", vring->swhead);
  63         seq_printf(s, "  hwtail = [0x%08x] -> ", vring->hwtail);
  64         if (x) {
  65                 v = readl(x);
  66                 seq_printf(s, "0x%08x = %d\n", v, v);
  67         } else {
  68                 seq_puts(s, "???\n");
  69         }
  70
  71         if (vring->va && (vring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
  72                 uint i;
  73
  74                 for (i = 0; i < vring->size; i++) {
  75                         volatile struct vring_tx_desc *d = &vring->va[i].tx;
  76
  77                         if ((i % 128) == 0 && (i != 0))
  78                                 seq_puts(s, "\n");
  79                         seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
  80                                         _s : (vring->ctx[i].skb ? _h : 'h'));
  81                 }
  82                 seq_puts(s, "\n");
  83         }
  84         seq_puts(s, "}\n");
  85 }
  86
  87 static int wil_vring_debugfs_show(struct seq_file *s, void *data)
  88 {
  89         uint i;
  90         struct wil6210_priv *wil = s->private;
  91
  92         wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
  93
  94         for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
  95                 struct vring *vring = &wil->vring_tx[i];
  96                 struct vring_tx_data *txdata = &wil->vring_tx_data[i];
  97
  98                 if (vring->va) {
  99                         int cid = wil->vring2cid_tid[i][0];
 100                         int tid = wil->vring2cid_tid[i][1];
 101                         u32 swhead = vring->swhead;
 102                         u32 swtail = vring->swtail;
 103                         int used = (vring->size + swhead - swtail)
 104                                    % vring->size;
 105                         int avail = vring->size - used - 1;
 106                         char name[10];
 107                         char sidle[10];
 108                         /* performance monitoring */
 109                         cycles_t now = get_cycles();
 110                         uint64_t idle = txdata->idle * 100;
 111                         uint64_t total = now - txdata->begin;
 112
 113                         if (total != 0) {
 114                                 do_div(idle, total);
 115                                 snprintf(sidle, sizeof(sidle), "%3d%%",
 116                                          (int)idle);
 117                         } else {
 118                                 snprintf(sidle, sizeof(sidle), "N/A");
 119                         }
 120                         txdata->begin = now;
 121                         txdata->idle = 0ULL;
 122
 123                         snprintf(name, sizeof(name), "tx_%2d", i);
 124
 125                         if (cid < WIL6210_MAX_CID)
 126                                 seq_printf(s,
 127                                            "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
 128                                            wil->sta[cid].addr, cid, tid,
 129                                            txdata->dot1x_open ? "+" : "-",
 130                                            txdata->agg_wsize,
 131                                            txdata->agg_timeout,
 132                                            txdata->agg_amsdu ? "+" : "-",
 133                                            used, avail, sidle);
 134                         else
 135                                 seq_printf(s,
 136                                            "\nBroadcast 1x%s [%3d|%3d] idle %s\n",
 137                                            txdata->dot1x_open ? "+" : "-",
 138                                            used, avail, sidle);
 139
 140                         wil_print_vring(s, wil, name, vring, '_', 'H');
 141                 }
 142         }
 143
 144         return 0;
 145 }
 146
 147 static int wil_vring_seq_open(struct inode *inode, struct file *file)
 148 {
 149         return single_open(file, wil_vring_debugfs_show, inode->i_private);
 150 }
 151
 152 static const struct file_operations fops_vring = {
 153         .open           = wil_vring_seq_open,
 154         .release        = single_release,
 155         .read           = seq_read,
 156         .llseek         = seq_lseek,
 157 };
 158
 159 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
 160                             const char *prefix)
 161 {
 162         seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
 163 }
 164
 165 static void wil_print_ring(struct seq_file *s, const char *prefix,
 166                            void __iomem *off)
 167 {
 168         struct wil6210_priv *wil = s->private;
 169         struct wil6210_mbox_ring r;
 170         int rsize;
 171         uint i;
 172
 173         wil_halp_vote(wil);
 174
 175         wil_memcpy_fromio_32(&r, off, sizeof(r));
 176         wil_mbox_ring_le2cpus(&r);
 177         /*
 178          * we just read memory block from NIC. This memory may be
 179          * garbage. Check validity before using it.
 180          */
 181         rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
 182
 183         seq_printf(s, "ring %s = {\n", prefix);
 184         seq_printf(s, "  base = 0x%08x\n", r.base);
 185         seq_printf(s, "  size = 0x%04x bytes -> %d entries\n", r.size, rsize);
 186         seq_printf(s, "  tail = 0x%08x\n", r.tail);
 187         seq_printf(s, "  head = 0x%08x\n", r.head);
 188         seq_printf(s, "  entry size = %d\n", r.entry_size);
 189
 190         if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
 191                 seq_printf(s, "  ??? size is not multiple of %zd, garbage?\n",
 192                            sizeof(struct wil6210_mbox_ring_desc));
 193                 goto out;
 194         }
 195
 196         if (!wmi_addr(wil, r.base) ||
 197             !wmi_addr(wil, r.tail) ||
 198             !wmi_addr(wil, r.head)) {
 199                 seq_puts(s, "  ??? pointers are garbage?\n");
 200                 goto out;
 201         }
 202
 203         for (i = 0; i < rsize; i++) {
 204                 struct wil6210_mbox_ring_desc d;
 205                 struct wil6210_mbox_hdr hdr;
 206                 size_t delta = i * sizeof(d);
 207                 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
 208
 209                 wil_memcpy_fromio_32(&d, x, sizeof(d));
 210
 211                 seq_printf(s, "  [%2x] %s %s%s 0x%08x", i,
 212                            d.sync ? "F" : "E",
 213                            (r.tail - r.base == delta) ? "t" : " ",
 214                            (r.head - r.base == delta) ? "h" : " ",
 215                            le32_to_cpu(d.addr));
 216                 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
 217                         u16 len = le16_to_cpu(hdr.len);
 218
 219                         seq_printf(s, " -> %04x %04x %04x %02x\n",
 220                                    le16_to_cpu(hdr.seq), len,
 221                                    le16_to_cpu(hdr.type), hdr.flags);
 222                         if (len <= MAX_MBOXITEM_SIZE) {
 223                                 unsigned char databuf[MAX_MBOXITEM_SIZE];
 224                                 void __iomem *src = wmi_buffer(wil, d.addr) +
 225                                         sizeof(struct wil6210_mbox_hdr);
 226                                 /*
 227                                  * No need to check @src for validity -
 228                                  * we already validated @d.addr while
 229                                  * reading header
 230                                  */
 231                                 wil_memcpy_fromio_32(databuf, src, len);
 232                                 wil_seq_hexdump(s, databuf, len, "      : ");
 233                         }
 234                 } else {
 235                         seq_puts(s, "\n");
 236                 }
 237         }
 238  out:
 239         seq_puts(s, "}\n");
 240         wil_halp_unvote(wil);
 241 }
 242
 243 static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
 244 {
 245         struct wil6210_priv *wil = s->private;
 246         int ret;
 247
 248         ret = wil_pm_runtime_get(wil);
 249         if (ret < 0)
 250                 return ret;
 251
 252         wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
 253                        offsetof(struct wil6210_mbox_ctl, tx));
 254         wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
 255                        offsetof(struct wil6210_mbox_ctl, rx));
 256
 257         wil_pm_runtime_put(wil);
 258
 259         return 0;
 260 }
 261
 262 static int wil_mbox_seq_open(struct inode *inode, struct file *file)
 263 {
 264         return single_open(file, wil_mbox_debugfs_show, inode->i_private);
 265 }
 266
 267 static const struct file_operations fops_mbox = {
 268         .open           = wil_mbox_seq_open,
 269         .release        = single_release,
 270         .read           = seq_read,
 271         .llseek         = seq_lseek,
 272 };
 273
 274 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
 275 {
 276         struct wil_debugfs_iomem_data *d = (struct
 277                                             wil_debugfs_iomem_data *)data;
 278         struct wil6210_priv *wil = d->wil;
 279         int ret;
 280
 281         ret = wil_pm_runtime_get(wil);
 282         if (ret < 0)
 283                 return ret;
 284
 285         writel(val, (void __iomem *)d->offset);
 286         wmb(); /* make sure write propagated to HW */
 287
 288         wil_pm_runtime_put(wil);
 289
 290         return 0;
 291 }
 292
 293 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
 294 {
 295         struct wil_debugfs_iomem_data *d = (struct
 296                                             wil_debugfs_iomem_data *)data;
 297         struct wil6210_priv *wil = d->wil;
 298         int ret;
 299
 300         ret = wil_pm_runtime_get(wil);
 301         if (ret < 0)
 302                 return ret;
 303
 304         *val = readl((void __iomem *)d->offset);
 305
 306         wil_pm_runtime_put(wil);
 307
 308         return 0;
 309 }
 310
 311 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 312                         wil_debugfs_iomem_x32_set, "0x%08llx\n");
 313
 314 static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
 315                                                    umode_t mode,
 316                                                    struct dentry *parent,
 317                                                    void *value,
 318                                                    struct wil6210_priv *wil)
 319 {
 320         struct dentry *file;
 321         struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[
 322                                               wil->dbg_data.iomem_data_count];
 323
 324         data->wil = wil;
 325         data->offset = value;
 326
 327         file = debugfs_create_file(name, mode, parent, data, &fops_iomem_x32);
 328         if (!IS_ERR_OR_NULL(file))
 329                 wil->dbg_data.iomem_data_count++;
 330
 331         return file;
 332 }
 333
 334 static int wil_debugfs_ulong_set(void *data, u64 val)
 335 {
 336         *(ulong *)data = val;
 337         return 0;
 338 }
 339
 340 static int wil_debugfs_ulong_get(void *data, u64 *val)
 341 {
 342         *val = *(ulong *)data;
 343         return 0;
 344 }
 345
 346 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 347                         wil_debugfs_ulong_set, "0x%llx\n");
 348
 349 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
 350                                                struct dentry *parent,
 351                                                ulong *value)
 352 {
 353         return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
 354 }
 355
 356 /**
 357  * wil6210_debugfs_init_offset - create set of debugfs files
 358  * @wil - driver's context, used for printing
 359  * @dbg - directory on the debugfs, where files will be created
 360  * @base - base address used in address calculation
 361  * @tbl - table with file descriptions. Should be terminated with empty element.
 362  *
 363  * Creates files accordingly to the @tbl.
 364  */
 365 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
 366                                         struct dentry *dbg, void *base,
 367                                         const struct dbg_off * const tbl)
 368 {
 369         int i;
 370
 371         for (i = 0; tbl[i].name; i++) {
 372                 struct dentry *f;
 373
 374                 switch (tbl[i].type) {
 375                 case doff_u32:
 376                         f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
 377                                                base + tbl[i].off);
 378                         break;
 379                 case doff_x32:
 380                         f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
 381                                                base + tbl[i].off);
 382                         break;
 383                 case doff_ulong:
 384                         f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
 385                                                      dbg, base + tbl[i].off);
 386                         break;
 387                 case doff_io32:
 388                         f = wil_debugfs_create_iomem_x32(tbl[i].name,
 389                                                          tbl[i].mode, dbg,
 390                                                          base + tbl[i].off,
 391                                                          wil);
 392                         break;
 393                 case doff_u8:
 394                         f = debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
 395                                               base + tbl[i].off);
 396                         break;
 397                 default:
 398                         f = ERR_PTR(-EINVAL);
 399                 }
 400                 if (IS_ERR_OR_NULL(f))
 401                         wil_err(wil, "Create file \"%s\": err %ld\n",
 402                                 tbl[i].name, PTR_ERR(f));
 403         }
 404 }
 405
 406 static const struct dbg_off isr_off[] = {
 407         {"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32},
 408         {"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32},
 409         {"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32},
 410         {"ICS", 0244, offsetof(struct RGF_ICR, ICS), doff_io32},
 411         {"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32},
 412         {"IMS", 0244, offsetof(struct RGF_ICR, IMS), doff_io32},
 413         {"IMC", 0244, offsetof(struct RGF_ICR, IMC), doff_io32},
 414         {},
 415 };
 416
 417 static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
 418                                       const char *name,
 419                                       struct dentry *parent, u32 off)
 420 {
 421         struct dentry *d = debugfs_create_dir(name, parent);
 422
 423         if (IS_ERR_OR_NULL(d))
 424                 return -ENODEV;
 425
 426         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
 427                                     isr_off);
 428
 429         return 0;
 430 }
 431
 432 static const struct dbg_off pseudo_isr_off[] = {
 433         {"CAUSE",   0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
 434         {"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
 435         {"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
 436         {},
 437 };
 438
 439 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
 440                                              struct dentry *parent)
 441 {
 442         struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
 443
 444         if (IS_ERR_OR_NULL(d))
 445                 return -ENODEV;
 446
 447         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 448                                     pseudo_isr_off);
 449
 450         return 0;
 451 }
 452
 453 static const struct dbg_off lgc_itr_cnt_off[] = {
 454         {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
 455         {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
 456         {"CTL",  0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
 457         {},
 458 };
 459
 460 static const struct dbg_off tx_itr_cnt_off[] = {
 461         {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
 462          doff_io32},
 463         {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
 464          doff_io32},
 465         {"CTL",  0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
 466          doff_io32},
 467         {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
 468          doff_io32},
 469         {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
 470          doff_io32},
 471         {"IDL_CTL",  0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
 472          doff_io32},
 473         {},
 474 };
 475
 476 static const struct dbg_off rx_itr_cnt_off[] = {
 477         {"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
 478          doff_io32},
 479         {"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
 480          doff_io32},
 481         {"CTL",  0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
 482          doff_io32},
 483         {"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
 484          doff_io32},
 485         {"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
 486          doff_io32},
 487         {"IDL_CTL",  0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
 488          doff_io32},
 489         {},
 490 };
 491
 492 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 493                                           struct dentry *parent)
 494 {
 495         struct dentry *d, *dtx, *drx;
 496
 497         d = debugfs_create_dir("ITR_CNT", parent);
 498         if (IS_ERR_OR_NULL(d))
 499                 return -ENODEV;
 500
 501         dtx = debugfs_create_dir("TX", d);
 502         drx = debugfs_create_dir("RX", d);
 503         if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
 504                 return -ENODEV;
 505
 506         wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
 507                                     lgc_itr_cnt_off);
 508
 509         wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
 510                                     tx_itr_cnt_off);
 511
 512         wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
 513                                     rx_itr_cnt_off);
 514         return 0;
 515 }
 516
 517 static int wil_memread_debugfs_show(struct seq_file *s, void *data)
 518 {
 519         struct wil6210_priv *wil = s->private;
 520         void __iomem *a;
 521         int ret;
 522
 523         ret = wil_pm_runtime_get(wil);
 524         if (ret < 0)
 525                 return ret;
 526
 527         a = wmi_buffer(wil, cpu_to_le32(mem_addr));
 528
 529         if (a)
 530                 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
 531         else
 532                 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
 533
 534         wil_pm_runtime_put(wil);
 535
 536         return 0;
 537 }
 538
 539 static int wil_memread_seq_open(struct inode *inode, struct file *file)
 540 {
 541         return single_open(file, wil_memread_debugfs_show, inode->i_private);
 542 }
 543
 544 static const struct file_operations fops_memread = {
 545         .open           = wil_memread_seq_open,
 546         .release        = single_release,
 547         .read           = seq_read,
 548         .llseek         = seq_lseek,
 549 };
 550
 551 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
 552                                     size_t count, loff_t *ppos)
 553 {
 554         enum { max_count = 4096 };
 555         struct wil_blob_wrapper *wil_blob = file->private_data;
 556         struct wil6210_priv *wil = wil_blob->wil;
 557         loff_t pos = *ppos;
 558         size_t available = wil_blob->blob.size;
 559         void *buf;
 560         size_t ret;
 561         int rc;
 562
 563         if (test_bit(wil_status_suspending, wil_blob->wil->status) ||
 564             test_bit(wil_status_suspended, wil_blob->wil->status))
 565                 return 0;
 566
 567         if (pos < 0)
 568                 return -EINVAL;
 569
 570         if (pos >= available || !count)
 571                 return 0;
 572
 573         if (count > available - pos)
 574                 count = available - pos;
 575         if (count > max_count)
 576                 count = max_count;
 577
 578         buf = kmalloc(count, GFP_KERNEL);
 579         if (!buf)
 580                 return -ENOMEM;
 581
 582         rc = wil_pm_runtime_get(wil);
 583         if (rc < 0) {
 584                 kfree(buf);
 585                 return rc;
 586         }
 587
 588         wil_memcpy_fromio_32(buf, (const void __iomem *)
 589                              wil_blob->blob.data + pos, count);
 590
 591         ret = copy_to_user(user_buf, buf, count);
 592
 593         wil_pm_runtime_put(wil);
 594
 595         kfree(buf);
 596         if (ret == count)
 597                 return -EFAULT;
 598
 599         count -= ret;
 600         *ppos = pos + count;
 601
 602         return count;
 603 }
 604
 605 static const struct file_operations fops_ioblob = {
 606         .read =         wil_read_file_ioblob,
 607         .open =         simple_open,
 608         .llseek =       default_llseek,
 609 };
 610
 611 static
 612 struct dentry *wil_debugfs_create_ioblob(const char *name,
 613                                          umode_t mode,
 614                                          struct dentry *parent,
 615                                          struct wil_blob_wrapper *wil_blob)
 616 {
 617         return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
 618 }
 619
 620 /*---reset---*/
 621 static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
 622                                     size_t len, loff_t *ppos)
 623 {
 624         struct wil6210_priv *wil = file->private_data;
 625         struct net_device *ndev = wil->main_ndev;
 626
 627         /**
 628          * BUG:
 629          * this code does NOT sync device state with the rest of system
 630          * use with care, debug only!!!
 631          */
 632         rtnl_lock();
 633         dev_close(ndev);
 634         ndev->flags &= ~IFF_UP;
 635         rtnl_unlock();
 636         wil_reset(wil, true);
 637
 638         return len;
 639 }
 640
 641 static const struct file_operations fops_reset = {
 642         .write = wil_write_file_reset,
 643         .open  = simple_open,
 644 };
 645
 646 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
 647 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
 648                                    size_t len, loff_t *ppos)
 649 {
 650         struct wil6210_priv *wil = file->private_data;
 651         int rc;
 652         long channel;
 653         bool on;
 654
 655         char *kbuf = memdup_user_nul(buf, len);
 656
 657         if (IS_ERR(kbuf))
 658                 return PTR_ERR(kbuf);
 659         rc = kstrtol(kbuf, 0, &channel);
 660         kfree(kbuf);
 661         if (rc)
 662                 return rc;
 663
 664         if ((channel < 0) || (channel > 4)) {
 665                 wil_err(wil, "Invalid channel %ld\n", channel);
 666                 return -EINVAL;
 667         }
 668         on = !!channel;
 669
 670         if (on) {
 671                 rc = wmi_set_channel(wil, (int)channel);
 672                 if (rc)
 673                         return rc;
 674         }
 675
 676         rc = wmi_rxon(wil, on);
 677         if (rc)
 678                 return rc;
 679
 680         return len;
 681 }
 682
 683 static const struct file_operations fops_rxon = {
 684         .write = wil_write_file_rxon,
 685         .open  = simple_open,
 686 };
 687
 688 /* block ack control, write:
 689  * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
 690  * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
 691  * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
 692  */
 693 static ssize_t wil_write_back(struct file *file, const char __user *buf,
 694                               size_t len, loff_t *ppos)
 695 {
 696         struct wil6210_priv *wil = file->private_data;
 697         int rc;
 698         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 699         char cmd[9];
 700         int p1, p2, p3;
 701
 702         if (!kbuf)
 703                 return -ENOMEM;
 704
 705         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 706         if (rc != len) {
 707                 kfree(kbuf);
 708                 return rc >= 0 ? -EIO : rc;
 709         }
 710
 711         kbuf[len] = '\0';
 712         rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
 713         kfree(kbuf);
 714
 715         if (rc < 0)
 716                 return rc;
 717         if (rc < 2)
 718                 return -EINVAL;
 719
 720         if ((strcmp(cmd, "add") == 0) ||
 721             (strcmp(cmd, "del_tx") == 0)) {
 722                 struct vring_tx_data *txdata;
 723
 724                 if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) {
 725                         wil_err(wil, "BACK: invalid ring id %d\n", p1);
 726                         return -EINVAL;
 727                 }
 728                 txdata = &wil->vring_tx_data[p1];
 729                 if (strcmp(cmd, "add") == 0) {
 730                         if (rc < 3) {
 731                                 wil_err(wil, "BACK: add require at least 2 params\n");
 732                                 return -EINVAL;
 733                         }
 734                         if (rc < 4)
 735                                 p3 = 0;
 736                         wmi_addba(wil, txdata->mid, p1, p2, p3);
 737                 } else {
 738                         if (rc < 3)
 739                                 p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
 740                         wmi_delba_tx(wil, txdata->mid, p1, p2);
 741                 }
 742         } else if (strcmp(cmd, "del_rx") == 0) {
 743                 struct wil_sta_info *sta;
 744
 745                 if (rc < 3) {
 746                         wil_err(wil,
 747                                 "BACK: del_rx require at least 2 params\n");
 748                         return -EINVAL;
 749                 }
 750                 if (p1 < 0 || p1 >= WIL6210_MAX_CID) {
 751                         wil_err(wil, "BACK: invalid CID %d\n", p1);
 752                         return -EINVAL;
 753                 }
 754                 if (rc < 4)
 755                         p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
 756                 sta = &wil->sta[p1];
 757                 wmi_delba_rx(wil, sta->mid, mk_cidxtid(p1, p2), p3);
 758         } else {
 759                 wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
 760                 return -EINVAL;
 761         }
 762
 763         return len;
 764 }
 765
 766 static ssize_t wil_read_back(struct file *file, char __user *user_buf,
 767                              size_t count, loff_t *ppos)
 768 {
 769         static const char text[] = "block ack control, write:\n"
 770         " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
 771         "If missing, <timeout> defaults to 0\n"
 772         " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
 773         " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
 774         "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
 775
 776         return simple_read_from_buffer(user_buf, count, ppos, text,
 777                                        sizeof(text));
 778 }
 779
 780 static const struct file_operations fops_back = {
 781         .read = wil_read_back,
 782         .write = wil_write_back,
 783         .open  = simple_open,
 784 };
 785
 786 /* pmc control, write:
 787  * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
 788  * - "free" to release memory allocated for PMC
 789  */
 790 static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
 791                                 size_t len, loff_t *ppos)
 792 {
 793         struct wil6210_priv *wil = file->private_data;
 794         int rc;
 795         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
 796         char cmd[9];
 797         int num_descs, desc_size;
 798
 799         if (!kbuf)
 800                 return -ENOMEM;
 801
 802         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
 803         if (rc != len) {
 804                 kfree(kbuf);
 805                 return rc >= 0 ? -EIO : rc;
 806         }
 807
 808         kbuf[len] = '\0';
 809         rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
 810         kfree(kbuf);
 811
 812         if (rc < 0)
 813                 return rc;
 814
 815         if (rc < 1) {
 816                 wil_err(wil, "pmccfg: no params given\n");
 817                 return -EINVAL;
 818         }
 819
 820         if (0 == strcmp(cmd, "alloc")) {
 821                 if (rc != 3) {
 822                         wil_err(wil, "pmccfg: alloc requires 2 params\n");
 823                         return -EINVAL;
 824                 }
 825                 wil_pmc_alloc(wil, num_descs, desc_size);
 826         } else if (0 == strcmp(cmd, "free")) {
 827                 if (rc != 1) {
 828                         wil_err(wil, "pmccfg: free does not have any params\n");
 829                         return -EINVAL;
 830                 }
 831                 wil_pmc_free(wil, true);
 832         } else {
 833                 wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
 834                 return -EINVAL;
 835         }
 836
 837         return len;
 838 }
 839
 840 static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
 841                                size_t count, loff_t *ppos)
 842 {
 843         struct wil6210_priv *wil = file->private_data;
 844         char text[256];
 845         char help[] = "pmc control, write:\n"
 846         " - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
 847         " - \"free\" to free memory allocated for pmc\n";
 848
 849         sprintf(text, "Last command status: %d\n\n%s",
 850                 wil_pmc_last_cmd_status(wil),
 851                 help);
 852
 853         return simple_read_from_buffer(user_buf, count, ppos, text,
 854                                        strlen(text) + 1);
 855 }
 856
 857 static const struct file_operations fops_pmccfg = {
 858         .read = wil_read_pmccfg,
 859         .write = wil_write_pmccfg,
 860         .open  = simple_open,
 861 };
 862
 863 static const struct file_operations fops_pmcdata = {
 864         .open           = simple_open,
 865         .read           = wil_pmc_read,
 866         .llseek         = wil_pmc_llseek,
 867 };
 868
 869 /*---tx_mgmt---*/
 870 /* Write mgmt frame to this file to send it */
 871 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
 872                                      size_t len, loff_t *ppos)
 873 {
 874         struct wil6210_priv *wil = file->private_data;
 875         struct wiphy *wiphy = wil_to_wiphy(wil);
 876         struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
 877         struct cfg80211_mgmt_tx_params params;
 878         int rc;
 879         void *frame;
 880
 881         if (!len)
 882                 return -EINVAL;
 883
 884         frame = memdup_user(buf, len);
 885         if (IS_ERR(frame))
 886                 return PTR_ERR(frame);
 887
 888         params.buf = frame;
 889         params.len = len;
 890
 891         rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
 892
 893         kfree(frame);
 894         wil_info(wil, "-> %d\n", rc);
 895
 896         return len;
 897 }
 898
 899 static const struct file_operations fops_txmgmt = {
 900         .write = wil_write_file_txmgmt,
 901         .open  = simple_open,
 902 };
 903
 904 /* Write WMI command (w/o mbox header) to this file to send it
 905  * WMI starts from wil6210_mbox_hdr_wmi header
 906  */
 907 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
 908                                   size_t len, loff_t *ppos)
 909 {
 910         struct wil6210_priv *wil = file->private_data;
 911         struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
 912         struct wmi_cmd_hdr *wmi;
 913         void *cmd;
 914         int cmdlen = len - sizeof(struct wmi_cmd_hdr);
 915         u16 cmdid;
 916         int rc, rc1;
 917
 918         if (cmdlen < 0)
 919                 return -EINVAL;
 920
 921         wmi = kmalloc(len, GFP_KERNEL);
 922         if (!wmi)
 923                 return -ENOMEM;
 924
 925         rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
 926         if (rc < 0) {
 927                 kfree(wmi);
 928                 return rc;
 929         }
 930
 931         cmd = (cmdlen > 0) ? &wmi[1] : NULL;
 932         cmdid = le16_to_cpu(wmi->command_id);
 933
 934         rc1 = wmi_send(wil, cmdid, vif->mid, cmd, cmdlen);
 935         kfree(wmi);
 936
 937         wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1);
 938
 939         return rc;
 940 }
 941
 942 static const struct file_operations fops_wmi = {
 943         .write = wil_write_file_wmi,
 944         .open  = simple_open,
 945 };
 946
 947 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
 948 {
 949         int i = 0;
 950         int len = skb_headlen(skb);
 951         void *p = skb->data;
 952         int nr_frags = skb_shinfo(skb)->nr_frags;
 953
 954         seq_printf(s, "    len = %d\n", len);
 955         wil_seq_hexdump(s, p, len, "      : ");
 956
 957         if (nr_frags) {
 958                 seq_printf(s, "    nr_frags = %d\n", nr_frags);
 959                 for (i = 0; i < nr_frags; i++) {
 960                         const struct skb_frag_struct *frag =
 961                                         &skb_shinfo(skb)->frags[i];
 962
 963                         len = skb_frag_size(frag);
 964                         p = skb_frag_address_safe(frag);
 965                         seq_printf(s, "    [%2d] : len = %d\n", i, len);
 966                         wil_seq_hexdump(s, p, len, "      : ");
 967                 }
 968         }
 969 }
 970
 971 /*---------Tx/Rx descriptor------------*/
 972 static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
 973 {
 974         struct wil6210_priv *wil = s->private;
 975         struct vring *vring;
 976         bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
 977
 978         vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
 979
 980         if (!vring->va) {
 981                 if (tx)
 982                         seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
 983                 else
 984                         seq_puts(s, "No Rx VRING\n");
 985                 return 0;
 986         }
 987
 988         if (dbg_txdesc_index < vring->size) {
 989                 /* use struct vring_tx_desc for Rx as well,
 990                  * only field used, .dma.length, is the same
 991                  */
 992                 volatile struct vring_tx_desc *d =
 993                                 &vring->va[dbg_txdesc_index].tx;
 994                 volatile u32 *u = (volatile u32 *)d;
 995                 struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
 996
 997                 if (tx)
 998                         seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
 999                                    dbg_txdesc_index);
1000                 else
1001                         seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
1002                 seq_printf(s, "  MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
1003                            u[0], u[1], u[2], u[3]);
1004                 seq_printf(s, "  DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
1005                            u[4], u[5], u[6], u[7]);
1006                 seq_printf(s, "  SKB = 0x%p\n", skb);
1007
1008                 if (skb) {
1009                         skb_get(skb);
1010                         wil_seq_print_skb(s, skb);
1011                         kfree_skb(skb);
1012                 }
1013                 seq_puts(s, "}\n");
1014         } else {
1015                 if (tx)
1016                         seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
1017                                    dbg_vring_index, dbg_txdesc_index,
1018                                    vring->size);
1019                 else
1020                         seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
1021                                    dbg_txdesc_index, vring->size);
1022         }
1023
1024         return 0;
1025 }
1026
1027 static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
1028 {
1029         return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
1030 }
1031
1032 static const struct file_operations fops_txdesc = {
1033         .open           = wil_txdesc_seq_open,
1034         .release        = single_release,
1035         .read           = seq_read,
1036         .llseek         = seq_lseek,
1037 };
1038
1039 /*---------beamforming------------*/
1040 static char *wil_bfstatus_str(u32 status)
1041 {
1042         switch (status) {
1043         case 0:
1044                 return "Failed";
1045         case 1:
1046                 return "OK";
1047         case 2:
1048                 return "Retrying";
1049         default:
1050                 return "??";
1051         }
1052 }
1053
1054 static bool is_all_zeros(void * const x_, size_t sz)
1055 {
1056         /* if reply is all-0, ignore this CID */
1057         u32 *x = x_;
1058         int n;
1059
1060         for (n = 0; n < sz / sizeof(*x); n++)
1061                 if (x[n])
1062                         return false;
1063
1064         return true;
1065 }
1066
1067 static int wil_bf_debugfs_show(struct seq_file *s, void *data)
1068 {
1069         int rc;
1070         int i;
1071         struct wil6210_priv *wil = s->private;
1072         struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1073         struct wmi_notify_req_cmd cmd = {
1074                 .interval_usec = 0,
1075         };
1076         struct {
1077                 struct wmi_cmd_hdr wmi;
1078                 struct wmi_notify_req_done_event evt;
1079         } __packed reply;
1080
1081         memset(&reply, 0, sizeof(reply));
1082
1083         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1084                 u32 status;
1085
1086                 cmd.cid = i;
1087                 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
1088                               &cmd, sizeof(cmd),
1089                               WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1090                               sizeof(reply), 20);
1091                 /* if reply is all-0, ignore this CID */
1092                 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1093                         continue;
1094
1095                 status = le32_to_cpu(reply.evt.status);
1096                 seq_printf(s, "CID %d {\n"
1097                            "  TSF = 0x%016llx\n"
1098                            "  TxMCS = %2d TxTpt = %4d\n"
1099                            "  SQI = %4d\n"
1100                            "  RSSI = %4d\n"
1101                            "  Status = 0x%08x %s\n"
1102                            "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1103                            "  Goodput(rx:tx) %4d:%4d\n"
1104                            "}\n",
1105                            i,
1106                            le64_to_cpu(reply.evt.tsf),
1107                            le16_to_cpu(reply.evt.bf_mcs),
1108                            le32_to_cpu(reply.evt.tx_tpt),
1109                            reply.evt.sqi,
1110                            reply.evt.rssi,
1111                            status, wil_bfstatus_str(status),
1112                            le16_to_cpu(reply.evt.my_rx_sector),
1113                            le16_to_cpu(reply.evt.my_tx_sector),
1114                            le16_to_cpu(reply.evt.other_rx_sector),
1115                            le16_to_cpu(reply.evt.other_tx_sector),
1116                            le32_to_cpu(reply.evt.rx_goodput),
1117                            le32_to_cpu(reply.evt.tx_goodput));
1118         }
1119         return 0;
1120 }
1121
1122 static int wil_bf_seq_open(struct inode *inode, struct file *file)
1123 {
1124         return single_open(file, wil_bf_debugfs_show, inode->i_private);
1125 }
1126
1127 static const struct file_operations fops_bf = {
1128         .open           = wil_bf_seq_open,
1129         .release        = single_release,
1130         .read           = seq_read,
1131         .llseek         = seq_lseek,
1132 };
1133
1134 /*---------temp------------*/
1135 static void print_temp(struct seq_file *s, const char *prefix, u32 t)
1136 {
1137         switch (t) {
1138         case 0:
1139         case ~(u32)0:
1140                 seq_printf(s, "%s N/A\n", prefix);
1141         break;
1142         default:
1143                 seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
1144                 break;
1145         }
1146 }
1147
1148 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
1149 {
1150         struct wil6210_priv *wil = s->private;
1151         u32 t_m, t_r;
1152         int rc = wmi_get_temperature(wil, &t_m, &t_r);
1153
1154         if (rc) {
1155                 seq_puts(s, "Failed\n");
1156                 return 0;
1157         }
1158
1159         print_temp(s, "T_mac   =", t_m);
1160         print_temp(s, "T_radio =", t_r);
1161
1162         return 0;
1163 }
1164
1165 static int wil_temp_seq_open(struct inode *inode, struct file *file)
1166 {
1167         return single_open(file, wil_temp_debugfs_show, inode->i_private);
1168 }
1169
1170 static const struct file_operations fops_temp = {
1171         .open           = wil_temp_seq_open,
1172         .release        = single_release,
1173         .read           = seq_read,
1174         .llseek         = seq_lseek,
1175 };
1176
1177 /*---------freq------------*/
1178 static int wil_freq_debugfs_show(struct seq_file *s, void *data)
1179 {
1180         struct wil6210_priv *wil = s->private;
1181         struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
1182         u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1183
1184         seq_printf(s, "Freq = %d\n", freq);
1185
1186         return 0;
1187 }
1188
1189 static int wil_freq_seq_open(struct inode *inode, struct file *file)
1190 {
1191         return single_open(file, wil_freq_debugfs_show, inode->i_private);
1192 }
1193
1194 static const struct file_operations fops_freq = {
1195         .open           = wil_freq_seq_open,
1196         .release        = single_release,
1197         .read           = seq_read,
1198         .llseek         = seq_lseek,
1199 };
1200
1201 /*---------link------------*/
1202 static int wil_link_debugfs_show(struct seq_file *s, void *data)
1203 {
1204         struct wil6210_priv *wil = s->private;
1205         struct station_info *sinfo;
1206         int i, rc = 0;
1207
1208         sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
1209         if (!sinfo)
1210                 return -ENOMEM;
1211
1212         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1213                 struct wil_sta_info *p = &wil->sta[i];
1214                 char *status = "unknown";
1215                 struct wil6210_vif *vif;
1216                 u8 mid;
1217
1218                 switch (p->status) {
1219                 case wil_sta_unused:
1220                         status = "unused   ";
1221                         break;
1222                 case wil_sta_conn_pending:
1223                         status = "pending  ";
1224                         break;
1225                 case wil_sta_connected:
1226                         status = "connected";
1227                         break;
1228                 }
1229                 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1230                 seq_printf(s, "[%d][MID %d] %pM %s\n",
1231                            i, mid, p->addr, status);
1232
1233                 if (p->status != wil_sta_connected)
1234                         continue;
1235
1236                 vif = (mid < wil->max_vifs) ? wil->vifs[mid] : NULL;
1237                 if (vif) {
1238                         rc = wil_cid_fill_sinfo(vif, i, sinfo);
1239                         if (rc)
1240                                 goto out;
1241
1242                         seq_printf(s, "  Tx_mcs = %d\n", sinfo->txrate.mcs);
1243                         seq_printf(s, "  Rx_mcs = %d\n", sinfo->rxrate.mcs);
1244                         seq_printf(s, "  SQ     = %d\n", sinfo->signal);
1245                 } else {
1246                         seq_puts(s, "  INVALID MID\n");
1247                 }
1248         }
1249
1250 out:
1251         kfree(sinfo);
1252         return rc;
1253 }
1254
1255 static int wil_link_seq_open(struct inode *inode, struct file *file)
1256 {
1257         return single_open(file, wil_link_debugfs_show, inode->i_private);
1258 }
1259
1260 static const struct file_operations fops_link = {
1261         .open           = wil_link_seq_open,
1262         .release        = single_release,
1263         .read           = seq_read,
1264         .llseek         = seq_lseek,
1265 };
1266
1267 /*---------info------------*/
1268 static int wil_info_debugfs_show(struct seq_file *s, void *data)
1269 {
1270         struct wil6210_priv *wil = s->private;
1271         struct net_device *ndev = wil->main_ndev;
1272         int is_ac = power_supply_is_system_supplied();
1273         int rx = atomic_xchg(&wil->isr_count_rx, 0);
1274         int tx = atomic_xchg(&wil->isr_count_tx, 0);
1275         static ulong rxf_old, txf_old;
1276         ulong rxf = ndev->stats.rx_packets;
1277         ulong txf = ndev->stats.tx_packets;
1278         unsigned int i;
1279
1280         /* >0 : AC; 0 : battery; <0 : error */
1281         seq_printf(s, "AC powered : %d\n", is_ac);
1282         seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1283         seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1284         rxf_old = rxf;
1285         txf_old = txf;
1286
1287 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1288         " " __stringify(x) : ""
1289
1290         for (i = 0; i < ndev->num_tx_queues; i++) {
1291                 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1292                 unsigned long state = txq->state;
1293
1294                 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1295                            CHECK_QSTATE(DRV_XOFF),
1296                            CHECK_QSTATE(STACK_XOFF),
1297                            CHECK_QSTATE(FROZEN)
1298                           );
1299         }
1300 #undef CHECK_QSTATE
1301         return 0;
1302 }
1303
1304 static int wil_info_seq_open(struct inode *inode, struct file *file)
1305 {
1306         return single_open(file, wil_info_debugfs_show, inode->i_private);
1307 }
1308
1309 static const struct file_operations fops_info = {
1310         .open           = wil_info_seq_open,
1311         .release        = single_release,
1312         .read           = seq_read,
1313         .llseek         = seq_lseek,
1314 };
1315
1316 /*---------recovery------------*/
1317 /* mode = [manual|auto]
1318  * state = [idle|pending|running]
1319  */
1320 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1321                                       size_t count, loff_t *ppos)
1322 {
1323         struct wil6210_priv *wil = file->private_data;
1324         char buf[80];
1325         int n;
1326         static const char * const sstate[] = {"idle", "pending", "running"};
1327
1328         n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1329                      no_fw_recovery ? "manual" : "auto",
1330                      sstate[wil->recovery_state]);
1331
1332         n = min_t(int, n, sizeof(buf));
1333
1334         return simple_read_from_buffer(user_buf, count, ppos,
1335                                        buf, n);
1336 }
1337
1338 static ssize_t wil_write_file_recovery(struct file *file,
1339                                        const char __user *buf_,
1340                                        size_t count, loff_t *ppos)
1341 {
1342         struct wil6210_priv *wil = file->private_data;
1343         static const char run_command[] = "run";
1344         char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1345         ssize_t rc;
1346
1347         if (wil->recovery_state != fw_recovery_pending) {
1348                 wil_err(wil, "No recovery pending\n");
1349                 return -EINVAL;
1350         }
1351
1352         if (*ppos != 0) {
1353                 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1354                 return -EINVAL;
1355         }
1356
1357         if (count > sizeof(buf)) {
1358                 wil_err(wil, "Input too long, len = %d\n", (int)count);
1359                 return -EINVAL;
1360         }
1361
1362         rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1363         if (rc < 0)
1364                 return rc;
1365
1366         buf[rc] = '\0';
1367         if (0 == strcmp(buf, run_command))
1368                 wil_set_recovery_state(wil, fw_recovery_running);
1369         else
1370                 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1371
1372         return rc;
1373 }
1374
1375 static const struct file_operations fops_recovery = {
1376         .read = wil_read_file_recovery,
1377         .write = wil_write_file_recovery,
1378         .open  = simple_open,
1379 };
1380
1381 /*---------Station matrix------------*/
1382 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1383 {
1384         int i;
1385         u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1386         unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
1387
1388         seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, r->head_seq_num);
1389         for (i = 0; i < r->buf_size; i++) {
1390                 if (i == index)
1391                         seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1392                 else
1393                         seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1394         }
1395         seq_printf(s,
1396                    "] total %llu drop %llu (dup %llu + old %llu) last 0x%03x\n",
1397                    r->total, drop_dup + drop_old, drop_dup, drop_old,
1398                    r->ssn_last_drop);
1399 }
1400
1401 static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
1402                                    struct wil_tid_crypto_rx *c)
1403 {
1404         int i;
1405
1406         for (i = 0; i < 4; i++) {
1407                 struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1408
1409                 if (cc->key_set)
1410                         goto has_keys;
1411         }
1412         return;
1413
1414 has_keys:
1415         if (tid < WIL_STA_TID_NUM)
1416                 seq_printf(s, "  [%2d] PN", tid);
1417         else
1418                 seq_puts(s, "  [GR] PN");
1419
1420         for (i = 0; i < 4; i++) {
1421                 struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1422
1423                 seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
1424                            cc->pn);
1425         }
1426         seq_puts(s, "\n");
1427 }
1428
1429 static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1430 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1431 {
1432         struct wil6210_priv *wil = s->private;
1433         int i, tid, mcs;
1434
1435         for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1436                 struct wil_sta_info *p = &wil->sta[i];
1437                 char *status = "unknown";
1438                 u8 aid = 0;
1439                 u8 mid;
1440
1441                 switch (p->status) {
1442                 case wil_sta_unused:
1443                         status = "unused   ";
1444                         break;
1445                 case wil_sta_conn_pending:
1446                         status = "pending  ";
1447                         break;
1448                 case wil_sta_connected:
1449                         status = "connected";
1450                         aid = p->aid;
1451                         break;
1452                 }
1453                 mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1454                 seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
1455                            mid, aid);
1456
1457                 if (p->status == wil_sta_connected) {
1458                         spin_lock_bh(&p->tid_rx_lock);
1459                         for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1460                                 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1461                                 struct wil_tid_crypto_rx *c =
1462                                                 &p->tid_crypto_rx[tid];
1463
1464                                 if (r) {
1465                                         seq_printf(s, "  [%2d] ", tid);
1466                                         wil_print_rxtid(s, r);
1467                                 }
1468
1469                                 wil_print_rxtid_crypto(s, tid, c);
1470                         }
1471                         wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
1472                                                &p->group_crypto_rx);
1473                         spin_unlock_bh(&p->tid_rx_lock);
1474                         seq_printf(s,
1475                                    "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
1476                                    p->stats.rx_non_data_frame,
1477                                    p->stats.rx_short_frame,
1478                                    p->stats.rx_large_frame,
1479                                    p->stats.rx_replay);
1480
1481                         seq_puts(s, "Rx/MCS:");
1482                         for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1483                              mcs++)
1484                                 seq_printf(s, " %lld",
1485                                            p->stats.rx_per_mcs[mcs]);
1486                         seq_puts(s, "\n");
1487                 }
1488         }
1489
1490         return 0;
1491 }
1492
1493 static int wil_sta_seq_open(struct inode *inode, struct file *file)
1494 {
1495         return single_open(file, wil_sta_debugfs_show, inode->i_private);
1496 }
1497
1498 static const struct file_operations fops_sta = {
1499         .open           = wil_sta_seq_open,
1500         .release        = single_release,
1501         .read           = seq_read,
1502         .llseek         = seq_lseek,
1503 };
1504
1505 static int wil_mids_debugfs_show(struct seq_file *s, void *data)
1506 {
1507         struct wil6210_priv *wil = s->private;
1508         struct wil6210_vif *vif;
1509         struct net_device *ndev;
1510         int i;
1511
1512         mutex_lock(&wil->vif_mutex);
1513         for (i = 0; i < wil->max_vifs; i++) {
1514                 vif = wil->vifs[i];
1515
1516                 if (vif) {
1517                         ndev = vif_to_ndev(vif);
1518                         seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr,
1519                                    ndev->name);
1520                 } else {
1521                         seq_printf(s, "[%d] unused\n", i);
1522                 }
1523         }
1524         mutex_unlock(&wil->vif_mutex);
1525
1526         return 0;
1527 }
1528
1529 static int wil_mids_seq_open(struct inode *inode, struct file *file)
1530 {
1531         return single_open(file, wil_mids_debugfs_show, inode->i_private);
1532 }
1533
1534 static const struct file_operations fops_mids = {
1535         .open           = wil_mids_seq_open,
1536         .release        = single_release,
1537         .read           = seq_read,
1538         .llseek         = seq_lseek,
1539 };
1540
1541 static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
1542                                      size_t count, loff_t *ppos)
1543 {
1544         char buf[80];
1545         int n;
1546
1547         n = snprintf(buf, sizeof(buf),
1548                      "led_id is set to %d, echo 1 to enable, 0 to disable\n",
1549                      led_id);
1550
1551         n = min_t(int, n, sizeof(buf));
1552
1553         return simple_read_from_buffer(user_buf, count, ppos,
1554                                        buf, n);
1555 }
1556
1557 static ssize_t wil_write_file_led_cfg(struct file *file,
1558                                       const char __user *buf_,
1559                                       size_t count, loff_t *ppos)
1560 {
1561         struct wil6210_priv *wil = file->private_data;
1562         int val;
1563         int rc;
1564
1565         rc = kstrtoint_from_user(buf_, count, 0, &val);
1566         if (rc) {
1567                 wil_err(wil, "Invalid argument\n");
1568                 return rc;
1569         }
1570
1571         wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
1572         rc = wmi_led_cfg(wil, val);
1573         if (rc) {
1574                 wil_info(wil, "%s led %d failed\n",
1575                          val ? "Enabling" : "Disabling", led_id);
1576                 return rc;
1577         }
1578
1579         return count;
1580 }
1581
1582 static const struct file_operations fops_led_cfg = {
1583         .read = wil_read_file_led_cfg,
1584         .write = wil_write_file_led_cfg,
1585         .open  = simple_open,
1586 };
1587
1588 /* led_blink_time, write:
1589  * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
1590  */
1591 static ssize_t wil_write_led_blink_time(struct file *file,
1592                                         const char __user *buf,
1593                                         size_t len, loff_t *ppos)
1594 {
1595         int rc;
1596         char *kbuf = kmalloc(len + 1, GFP_KERNEL);
1597
1598         if (!kbuf)
1599                 return -ENOMEM;
1600
1601         rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
1602         if (rc != len) {
1603                 kfree(kbuf);
1604                 return rc >= 0 ? -EIO : rc;
1605         }
1606
1607         kbuf[len] = '\0';
1608         rc = sscanf(kbuf, "%d %d %d %d %d %d",
1609                     &led_blink_time[WIL_LED_TIME_SLOW].on_ms,
1610                     &led_blink_time[WIL_LED_TIME_SLOW].off_ms,
1611                     &led_blink_time[WIL_LED_TIME_MED].on_ms,
1612                     &led_blink_time[WIL_LED_TIME_MED].off_ms,
1613                     &led_blink_time[WIL_LED_TIME_FAST].on_ms,
1614                     &led_blink_time[WIL_LED_TIME_FAST].off_ms);
1615         kfree(kbuf);
1616
1617         if (rc < 0)
1618                 return rc;
1619         if (rc < 6)
1620                 return -EINVAL;
1621
1622         return len;
1623 }
1624
1625 static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
1626                                        size_t count, loff_t *ppos)
1627 {
1628         static char text[400];
1629
1630         snprintf(text, sizeof(text),
1631                  "To set led blink on/off time variables write:\n"
1632                  "<blink_on_slow> <blink_off_slow> <blink_on_med> "
1633                  "<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
1634                  "The current values are:\n"
1635                  "%d %d %d %d %d %d\n",
1636                  led_blink_time[WIL_LED_TIME_SLOW].on_ms,
1637                  led_blink_time[WIL_LED_TIME_SLOW].off_ms,
1638                  led_blink_time[WIL_LED_TIME_MED].on_ms,
1639                  led_blink_time[WIL_LED_TIME_MED].off_ms,
1640                  led_blink_time[WIL_LED_TIME_FAST].on_ms,
1641                  led_blink_time[WIL_LED_TIME_FAST].off_ms);
1642
1643         return simple_read_from_buffer(user_buf, count, ppos, text,
1644                                        sizeof(text));
1645 }
1646
1647 static const struct file_operations fops_led_blink_time = {
1648         .read = wil_read_led_blink_time,
1649         .write = wil_write_led_blink_time,
1650         .open  = simple_open,
1651 };
1652
1653 /*---------FW capabilities------------*/
1654 static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data)
1655 {
1656         struct wil6210_priv *wil = s->private;
1657
1658         seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
1659                    wil->fw_capabilities);
1660
1661         return 0;
1662 }
1663
1664 static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file)
1665 {
1666         return single_open(file, wil_fw_capabilities_debugfs_show,
1667                            inode->i_private);
1668 }
1669
1670 static const struct file_operations fops_fw_capabilities = {
1671         .open           = wil_fw_capabilities_seq_open,
1672         .release        = single_release,
1673         .read           = seq_read,
1674         .llseek         = seq_lseek,
1675 };
1676
1677 /*---------FW version------------*/
1678 static int wil_fw_version_debugfs_show(struct seq_file *s, void *data)
1679 {
1680         struct wil6210_priv *wil = s->private;
1681
1682         if (wil->fw_version[0])
1683                 seq_printf(s, "%s\n", wil->fw_version);
1684         else
1685                 seq_puts(s, "N/A\n");
1686
1687         return 0;
1688 }
1689
1690 static int wil_fw_version_seq_open(struct inode *inode, struct file *file)
1691 {
1692         return single_open(file, wil_fw_version_debugfs_show,
1693                            inode->i_private);
1694 }
1695
1696 static const struct file_operations fops_fw_version = {
1697         .open           = wil_fw_version_seq_open,
1698         .release        = single_release,
1699         .read           = seq_read,
1700         .llseek         = seq_lseek,
1701 };
1702
1703 /*---------suspend_stats---------*/
1704 static ssize_t wil_write_suspend_stats(struct file *file,
1705                                        const char __user *buf,
1706                                        size_t len, loff_t *ppos)
1707 {
1708         struct wil6210_priv *wil = file->private_data;
1709
1710         memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
1711
1712         return len;
1713 }
1714
1715 static ssize_t wil_read_suspend_stats(struct file *file,
1716                                       char __user *user_buf,
1717                                       size_t count, loff_t *ppos)
1718 {
1719         struct wil6210_priv *wil = file->private_data;
1720         char *text;
1721         int n, ret, text_size = 500;
1722
1723         text = kmalloc(text_size, GFP_KERNEL);
1724         if (!text)
1725                 return -ENOMEM;
1726
1727         n = snprintf(text, text_size,
1728                      "Radio on suspend statistics:\n"
1729                      "successful suspends:%ld failed suspends:%ld\n"
1730                      "successful resumes:%ld failed resumes:%ld\n"
1731                      "rejected by device:%ld\n"
1732                      "Radio off suspend statistics:\n"
1733                      "successful suspends:%ld failed suspends:%ld\n"
1734                      "successful resumes:%ld failed resumes:%ld\n"
1735                      "General statistics:\n"
1736                      "rejected by host:%ld\n",
1737                      wil->suspend_stats.r_on.successful_suspends,
1738                      wil->suspend_stats.r_on.failed_suspends,
1739                      wil->suspend_stats.r_on.successful_resumes,
1740                      wil->suspend_stats.r_on.failed_resumes,
1741                      wil->suspend_stats.rejected_by_device,
1742                      wil->suspend_stats.r_off.successful_suspends,
1743                      wil->suspend_stats.r_off.failed_suspends,
1744                      wil->suspend_stats.r_off.successful_resumes,
1745                      wil->suspend_stats.r_off.failed_resumes,
1746                      wil->suspend_stats.rejected_by_host);
1747
1748         n = min_t(int, n, text_size);
1749
1750         ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
1751
1752         kfree(text);
1753
1754         return ret;
1755 }
1756
1757 static const struct file_operations fops_suspend_stats = {
1758         .read = wil_read_suspend_stats,
1759         .write = wil_write_suspend_stats,
1760         .open  = simple_open,
1761 };
1762
1763 /*----------------*/
1764 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1765                                        struct dentry *dbg)
1766 {
1767         int i;
1768         char name[32];
1769
1770         for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1771                 struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
1772                 struct debugfs_blob_wrapper *blob = &wil_blob->blob;
1773                 const struct fw_map *map = &fw_mapping[i];
1774
1775                 if (!map->name)
1776                         continue;
1777
1778                 wil_blob->wil = wil;
1779                 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1780                 blob->size = map->to - map->from;
1781                 snprintf(name, sizeof(name), "blob_%s", map->name);
1782                 wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob);
1783         }
1784 }
1785
1786 /* misc files */
1787 static const struct {
1788         const char *name;
1789         umode_t mode;
1790         const struct file_operations *fops;
1791 } dbg_files[] = {
1792         {"mbox",        0444,           &fops_mbox},
1793         {"vrings",      0444,           &fops_vring},
1794         {"stations", 0444,              &fops_sta},
1795         {"mids",        0444,           &fops_mids},
1796         {"desc",        0444,           &fops_txdesc},
1797         {"bf",          0444,           &fops_bf},
1798         {"mem_val",     0644,           &fops_memread},
1799         {"reset",       0244,           &fops_reset},
1800         {"rxon",        0244,           &fops_rxon},
1801         {"tx_mgmt",     0244,           &fops_txmgmt},
1802         {"wmi_send", 0244,              &fops_wmi},
1803         {"back",        0644,           &fops_back},
1804         {"pmccfg",      0644,           &fops_pmccfg},
1805         {"pmcdata",     0444,           &fops_pmcdata},
1806         {"temp",        0444,           &fops_temp},
1807         {"freq",        0444,           &fops_freq},
1808         {"link",        0444,           &fops_link},
1809         {"info",        0444,           &fops_info},
1810         {"recovery", 0644,              &fops_recovery},
1811         {"led_cfg",     0644,           &fops_led_cfg},
1812         {"led_blink_time",      0644,   &fops_led_blink_time},
1813         {"fw_capabilities",     0444,   &fops_fw_capabilities},
1814         {"fw_version",  0444,           &fops_fw_version},
1815         {"suspend_stats",       0644,   &fops_suspend_stats},
1816 };
1817
1818 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1819                                        struct dentry *dbg)
1820 {
1821         int i;
1822
1823         for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1824                 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1825                                     wil, dbg_files[i].fops);
1826 }
1827
1828 /* interrupt control blocks */
1829 static const struct {
1830         const char *name;
1831         u32 icr_off;
1832 } dbg_icr[] = {
1833         {"USER_ICR",            HOSTADDR(RGF_USER_USER_ICR)},
1834         {"DMA_EP_TX_ICR",       HOSTADDR(RGF_DMA_EP_TX_ICR)},
1835         {"DMA_EP_RX_ICR",       HOSTADDR(RGF_DMA_EP_RX_ICR)},
1836         {"DMA_EP_MISC_ICR",     HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1837 };
1838
1839 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1840                                      struct dentry *dbg)
1841 {
1842         int i;
1843
1844         for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1845                 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1846                                            dbg_icr[i].icr_off);
1847 }
1848
1849 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1850         offsetof(struct wil6210_priv, name), type}
1851
1852 /* fields in struct wil6210_priv */
1853 static const struct dbg_off dbg_wil_off[] = {
1854         WIL_FIELD(status[0],    0644,   doff_ulong),
1855         WIL_FIELD(hw_version,   0444,   doff_x32),
1856         WIL_FIELD(recovery_count, 0444, doff_u32),
1857         WIL_FIELD(discovery_mode, 0644, doff_u8),
1858         WIL_FIELD(chip_revision, 0444,  doff_u8),
1859         WIL_FIELD(abft_len, 0644,               doff_u8),
1860         WIL_FIELD(wakeup_trigger, 0644,         doff_u8),
1861         WIL_FIELD(vring_idle_trsh, 0644,        doff_u32),
1862         {},
1863 };
1864
1865 static const struct dbg_off dbg_wil_regs[] = {
1866         {"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1867                 doff_io32},
1868         {"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
1869         {},
1870 };
1871
1872 /* static parameters */
1873 static const struct dbg_off dbg_statics[] = {
1874         {"desc_index",  0644, (ulong)&dbg_txdesc_index, doff_u32},
1875         {"vring_index", 0644, (ulong)&dbg_vring_index, doff_u32},
1876         {"mem_addr",    0644, (ulong)&mem_addr, doff_u32},
1877         {"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
1878         {},
1879 };
1880
1881 static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) +
1882                                 ARRAY_SIZE(dbg_wil_regs) - 1 +
1883                                 ARRAY_SIZE(pseudo_isr_off) - 1 +
1884                                 ARRAY_SIZE(lgc_itr_cnt_off) - 1 +
1885                                 ARRAY_SIZE(tx_itr_cnt_off) - 1 +
1886                                 ARRAY_SIZE(rx_itr_cnt_off) - 1;
1887
1888 int wil6210_debugfs_init(struct wil6210_priv *wil)
1889 {
1890         struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1891                         wil_to_wiphy(wil)->debugfsdir);
1892         if (IS_ERR_OR_NULL(dbg))
1893                 return -ENODEV;
1894
1895         wil->dbg_data.data_arr = kcalloc(dbg_off_count,
1896                                          sizeof(struct wil_debugfs_iomem_data),
1897                                          GFP_KERNEL);
1898         if (!wil->dbg_data.data_arr) {
1899                 debugfs_remove_recursive(dbg);
1900                 wil->debug = NULL;
1901                 return -ENOMEM;
1902         }
1903
1904         wil->dbg_data.iomem_data_count = 0;
1905
1906         wil_pmc_init(wil);
1907
1908         wil6210_debugfs_init_files(wil, dbg);
1909         wil6210_debugfs_init_isr(wil, dbg);
1910         wil6210_debugfs_init_blobs(wil, dbg);
1911         wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1912         wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1913                                     dbg_wil_regs);
1914         wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1915
1916         wil6210_debugfs_create_pseudo_ISR(wil, dbg);
1917
1918         wil6210_debugfs_create_ITR_CNT(wil, dbg);
1919
1920         return 0;
1921 }
1922
1923 void wil6210_debugfs_remove(struct wil6210_priv *wil)
1924 {
1925         debugfs_remove_recursive(wil->debug);
1926         wil->debug = NULL;
1927
1928         kfree(wil->dbg_data.data_arr);
1929
1930         /* free pmc memory without sending command to fw, as it will
1931          * be reset on the way down anyway
1932          */
1933         wil_pmc_free(wil, false);
1934 }