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 */
  30static u32 mem_addr;
  31static u32 dbg_txdesc_index;
  32static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
 
 
 
  33
  34enum 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" */
  43struct dbg_off {
  44	const char *name;
  45	umode_t mode;
  46	ulong off;
  47	enum dbg_off_type type;
  48};
  49
  50static 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
  87static 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
 147static 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
 152static 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
 159static 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
 165static 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
 243static 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
 262static 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
 267static 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
 274static 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
 293static 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
 311DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
 312			wil_debugfs_iomem_x32_set, "0x%08llx\n");
 313
 314static 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
 334static int wil_debugfs_ulong_set(void *data, u64 val)
 335{
 336	*(ulong *)data = val;
 337	return 0;
 338}
 339
 340static int wil_debugfs_ulong_get(void *data, u64 *val)
 341{
 342	*val = *(ulong *)data;
 343	return 0;
 344}
 345
 346DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
 347			wil_debugfs_ulong_set, "0x%llx\n");
 348
 349static 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 */
 365static 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
 406static 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
 417static 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
 432static 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
 439static 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
 453static 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
 460static 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
 476static 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
 492static 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
 517static 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
 539static 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
 544static 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
 551static 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
 605static const struct file_operations fops_ioblob = {
 606	.read =		wil_read_file_ioblob,
 607	.open =		simple_open,
 608	.llseek =	default_llseek,
 609};
 610
 611static
 612struct 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---*/
 621static 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
 641static 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---*/
 647static 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
 683static 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 */
 693static 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
 766static 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
 780static 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 */
 790static 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
 840static 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
 857static const struct file_operations fops_pmccfg = {
 858	.read = wil_read_pmccfg,
 859	.write = wil_write_pmccfg,
 860	.open  = simple_open,
 861};
 862
 863static 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 */
 871static 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
 899static 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 */
 907static 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
 942static const struct file_operations fops_wmi = {
 943	.write = wil_write_file_wmi,
 944	.open  = simple_open,
 945};
 946
 947static 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------------*/
 972static 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
1027static 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
1032static 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------------*/
1040static 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
1054static 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
1067static 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	for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 
 
1082		u32 status;
 
1083
1084		cmd.cid = i;
1085		rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
1086			      &cmd, sizeof(cmd),
1087			      WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1088			      sizeof(reply), 20);
1089		/* if reply is all-0, ignore this CID */
1090		if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1091			continue;
1092
1093		status = le32_to_cpu(reply.evt.status);
 
1094		seq_printf(s, "CID %d {\n"
1095			   "  TSF = 0x%016llx\n"
1096			   "  TxMCS = %2d TxTpt = %4d\n"
1097			   "  SQI = %4d\n"
1098			   "  RSSI = %4d\n"
1099			   "  Status = 0x%08x %s\n"
1100			   "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1101			   "  Goodput(rx:tx) %4d:%4d\n"
1102			   "}\n",
1103			   i,
1104			   le64_to_cpu(reply.evt.tsf),
1105			   le16_to_cpu(reply.evt.bf_mcs),
1106			   le32_to_cpu(reply.evt.tx_tpt),
1107			   reply.evt.sqi,
1108			   reply.evt.rssi,
1109			   status, wil_bfstatus_str(status),
1110			   le16_to_cpu(reply.evt.my_rx_sector),
1111			   le16_to_cpu(reply.evt.my_tx_sector),
1112			   le16_to_cpu(reply.evt.other_rx_sector),
1113			   le16_to_cpu(reply.evt.other_tx_sector),
1114			   le32_to_cpu(reply.evt.rx_goodput),
1115			   le32_to_cpu(reply.evt.tx_goodput));
1116	}
1117	return 0;
1118}
1119
1120static int wil_bf_seq_open(struct inode *inode, struct file *file)
1121{
1122	return single_open(file, wil_bf_debugfs_show, inode->i_private);
1123}
1124
1125static const struct file_operations fops_bf = {
1126	.open		= wil_bf_seq_open,
1127	.release	= single_release,
1128	.read		= seq_read,
1129	.llseek		= seq_lseek,
1130};
1131
1132/*---------temp------------*/
1133static void print_temp(struct seq_file *s, const char *prefix, u32 t)
1134{
1135	switch (t) {
1136	case 0:
1137	case ~(u32)0:
1138		seq_printf(s, "%s N/A\n", prefix);
1139	break;
1140	default:
1141		seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
 
1142		break;
1143	}
1144}
1145
1146static int wil_temp_debugfs_show(struct seq_file *s, void *data)
1147{
1148	struct wil6210_priv *wil = s->private;
1149	u32 t_m, t_r;
1150	int rc = wmi_get_temperature(wil, &t_m, &t_r);
1151
1152	if (rc) {
1153		seq_puts(s, "Failed\n");
1154		return 0;
1155	}
1156
1157	print_temp(s, "T_mac   =", t_m);
1158	print_temp(s, "T_radio =", t_r);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1159
 
 
 
 
 
 
 
 
 
 
1160	return 0;
1161}
1162
1163static int wil_temp_seq_open(struct inode *inode, struct file *file)
1164{
1165	return single_open(file, wil_temp_debugfs_show, inode->i_private);
1166}
1167
1168static const struct file_operations fops_temp = {
1169	.open		= wil_temp_seq_open,
1170	.release	= single_release,
1171	.read		= seq_read,
1172	.llseek		= seq_lseek,
1173};
1174
1175/*---------freq------------*/
1176static int wil_freq_debugfs_show(struct seq_file *s, void *data)
1177{
1178	struct wil6210_priv *wil = s->private;
1179	struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
1180	u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1181
1182	seq_printf(s, "Freq = %d\n", freq);
1183
1184	return 0;
1185}
1186
1187static int wil_freq_seq_open(struct inode *inode, struct file *file)
1188{
1189	return single_open(file, wil_freq_debugfs_show, inode->i_private);
1190}
1191
1192static const struct file_operations fops_freq = {
1193	.open		= wil_freq_seq_open,
1194	.release	= single_release,
1195	.read		= seq_read,
1196	.llseek		= seq_lseek,
1197};
1198
1199/*---------link------------*/
1200static int wil_link_debugfs_show(struct seq_file *s, void *data)
1201{
1202	struct wil6210_priv *wil = s->private;
1203	struct station_info sinfo;
1204	int i, rc;
1205
1206	for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
 
 
 
 
1207		struct wil_sta_info *p = &wil->sta[i];
1208		char *status = "unknown";
1209		struct wil6210_vif *vif;
1210		u8 mid;
1211
1212		switch (p->status) {
1213		case wil_sta_unused:
1214			status = "unused   ";
1215			break;
1216		case wil_sta_conn_pending:
1217			status = "pending  ";
1218			break;
1219		case wil_sta_connected:
1220			status = "connected";
1221			break;
1222		}
1223		mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1224		seq_printf(s, "[%d][MID %d] %pM %s\n",
1225			   i, mid, p->addr, status);
1226
1227		if (p->status != wil_sta_connected)
1228			continue;
1229
1230		vif = (mid < wil->max_vifs) ? wil->vifs[mid] : NULL;
1231		if (vif) {
1232			rc = wil_cid_fill_sinfo(vif, i, &sinfo);
1233			if (rc)
1234				return rc;
1235
1236			seq_printf(s, "  Tx_mcs = %d\n", sinfo.txrate.mcs);
1237			seq_printf(s, "  Rx_mcs = %d\n", sinfo.rxrate.mcs);
1238			seq_printf(s, "  SQ     = %d\n", sinfo.signal);
 
 
1239		} else {
1240			seq_puts(s, "  INVALID MID\n");
1241		}
1242	}
1243
1244	return 0;
1245}
1246
1247static int wil_link_seq_open(struct inode *inode, struct file *file)
1248{
1249	return single_open(file, wil_link_debugfs_show, inode->i_private);
1250}
1251
1252static const struct file_operations fops_link = {
1253	.open		= wil_link_seq_open,
1254	.release	= single_release,
1255	.read		= seq_read,
1256	.llseek		= seq_lseek,
1257};
1258
1259/*---------info------------*/
1260static int wil_info_debugfs_show(struct seq_file *s, void *data)
1261{
1262	struct wil6210_priv *wil = s->private;
1263	struct net_device *ndev = wil->main_ndev;
1264	int is_ac = power_supply_is_system_supplied();
1265	int rx = atomic_xchg(&wil->isr_count_rx, 0);
1266	int tx = atomic_xchg(&wil->isr_count_tx, 0);
1267	static ulong rxf_old, txf_old;
1268	ulong rxf = ndev->stats.rx_packets;
1269	ulong txf = ndev->stats.tx_packets;
1270	unsigned int i;
1271
1272	/* >0 : AC; 0 : battery; <0 : error */
1273	seq_printf(s, "AC powered : %d\n", is_ac);
1274	seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1275	seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1276	rxf_old = rxf;
1277	txf_old = txf;
1278
1279#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1280	" " __stringify(x) : ""
1281
1282	for (i = 0; i < ndev->num_tx_queues; i++) {
1283		struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1284		unsigned long state = txq->state;
1285
1286		seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1287			   CHECK_QSTATE(DRV_XOFF),
1288			   CHECK_QSTATE(STACK_XOFF),
1289			   CHECK_QSTATE(FROZEN)
1290			  );
1291	}
1292#undef CHECK_QSTATE
1293	return 0;
1294}
1295
1296static int wil_info_seq_open(struct inode *inode, struct file *file)
1297{
1298	return single_open(file, wil_info_debugfs_show, inode->i_private);
1299}
1300
1301static const struct file_operations fops_info = {
1302	.open		= wil_info_seq_open,
1303	.release	= single_release,
1304	.read		= seq_read,
1305	.llseek		= seq_lseek,
1306};
1307
1308/*---------recovery------------*/
1309/* mode = [manual|auto]
1310 * state = [idle|pending|running]
1311 */
1312static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1313				      size_t count, loff_t *ppos)
1314{
1315	struct wil6210_priv *wil = file->private_data;
1316	char buf[80];
1317	int n;
1318	static const char * const sstate[] = {"idle", "pending", "running"};
1319
1320	n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1321		     no_fw_recovery ? "manual" : "auto",
1322		     sstate[wil->recovery_state]);
1323
1324	n = min_t(int, n, sizeof(buf));
1325
1326	return simple_read_from_buffer(user_buf, count, ppos,
1327				       buf, n);
1328}
1329
1330static ssize_t wil_write_file_recovery(struct file *file,
1331				       const char __user *buf_,
1332				       size_t count, loff_t *ppos)
1333{
1334	struct wil6210_priv *wil = file->private_data;
1335	static const char run_command[] = "run";
1336	char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1337	ssize_t rc;
1338
1339	if (wil->recovery_state != fw_recovery_pending) {
1340		wil_err(wil, "No recovery pending\n");
1341		return -EINVAL;
1342	}
1343
1344	if (*ppos != 0) {
1345		wil_err(wil, "Offset [%d]\n", (int)*ppos);
1346		return -EINVAL;
1347	}
1348
1349	if (count > sizeof(buf)) {
1350		wil_err(wil, "Input too long, len = %d\n", (int)count);
1351		return -EINVAL;
1352	}
1353
1354	rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1355	if (rc < 0)
1356		return rc;
1357
1358	buf[rc] = '\0';
1359	if (0 == strcmp(buf, run_command))
1360		wil_set_recovery_state(wil, fw_recovery_running);
1361	else
1362		wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1363
1364	return rc;
1365}
1366
1367static const struct file_operations fops_recovery = {
1368	.read = wil_read_file_recovery,
1369	.write = wil_write_file_recovery,
1370	.open  = simple_open,
1371};
1372
1373/*---------Station matrix------------*/
1374static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1375{
1376	int i;
1377	u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1378	unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
 
1379
1380	seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
1381		   r->head_seq_num);
1382	for (i = 0; i < r->buf_size; i++) {
1383		if (i == index)
1384			seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1385		else
1386			seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1387	}
1388	seq_printf(s,
1389		   "] total %llu drop %llu (dup %llu + old %llu) last 0x%03x\n",
1390		   r->total, drop_dup + drop_old, drop_dup, drop_old,
1391		   r->ssn_last_drop);
1392}
1393
1394static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
1395				   struct wil_tid_crypto_rx *c)
1396{
1397	int i;
1398
1399	for (i = 0; i < 4; i++) {
1400		struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1401
1402		if (cc->key_set)
1403			goto has_keys;
1404	}
1405	return;
1406
1407has_keys:
1408	if (tid < WIL_STA_TID_NUM)
1409		seq_printf(s, "  [%2d] PN", tid);
1410	else
1411		seq_puts(s, "  [GR] PN");
1412
1413	for (i = 0; i < 4; i++) {
1414		struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
1415
1416		seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
1417			   cc->pn);
1418	}
1419	seq_puts(s, "\n");
1420}
1421
1422static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1423__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1424{
1425	struct wil6210_priv *wil = s->private;
1426	int i, tid, mcs;
1427
1428	for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1429		struct wil_sta_info *p = &wil->sta[i];
1430		char *status = "unknown";
1431		u8 aid = 0;
1432		u8 mid;
 
1433
1434		switch (p->status) {
1435		case wil_sta_unused:
1436			status = "unused   ";
1437			break;
1438		case wil_sta_conn_pending:
1439			status = "pending  ";
1440			break;
1441		case wil_sta_connected:
1442			status = "connected";
1443			aid = p->aid;
1444			break;
1445		}
1446		mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
1447		seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
1448			   mid, aid);
 
 
 
 
 
 
 
 
 
 
 
 
1449
1450		if (p->status == wil_sta_connected) {
1451			spin_lock_bh(&p->tid_rx_lock);
1452			for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1453				struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1454				struct wil_tid_crypto_rx *c =
1455						&p->tid_crypto_rx[tid];
1456
1457				if (r) {
1458					seq_printf(s, "  [%2d] ", tid);
1459					wil_print_rxtid(s, r);
1460				}
1461
1462				wil_print_rxtid_crypto(s, tid, c);
1463			}
1464			wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
1465					       &p->group_crypto_rx);
1466			spin_unlock_bh(&p->tid_rx_lock);
1467			seq_printf(s,
1468				   "Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
1469				   p->stats.rx_non_data_frame,
1470				   p->stats.rx_short_frame,
1471				   p->stats.rx_large_frame,
1472				   p->stats.rx_replay);
 
 
 
 
 
 
1473
1474			seq_puts(s, "Rx/MCS:");
1475			for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1476			     mcs++)
1477				seq_printf(s, " %lld",
1478					   p->stats.rx_per_mcs[mcs]);
1479			seq_puts(s, "\n");
1480		}
1481	}
1482
1483	return 0;
1484}
 
1485
1486static int wil_sta_seq_open(struct inode *inode, struct file *file)
1487{
1488	return single_open(file, wil_sta_debugfs_show, inode->i_private);
1489}
1490
1491static const struct file_operations fops_sta = {
1492	.open		= wil_sta_seq_open,
1493	.release	= single_release,
1494	.read		= seq_read,
1495	.llseek		= seq_lseek,
1496};
1497
1498static int wil_mids_debugfs_show(struct seq_file *s, void *data)
1499{
1500	struct wil6210_priv *wil = s->private;
1501	struct wil6210_vif *vif;
1502	struct net_device *ndev;
1503	int i;
1504
1505	mutex_lock(&wil->vif_mutex);
1506	for (i = 0; i < wil->max_vifs; i++) {
1507		vif = wil->vifs[i];
1508
1509		if (vif) {
1510			ndev = vif_to_ndev(vif);
1511			seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr,
1512				   ndev->name);
1513		} else {
1514			seq_printf(s, "[%d] unused\n", i);
1515		}
1516	}
1517	mutex_unlock(&wil->vif_mutex);
1518
1519	return 0;
1520}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1521
1522static int wil_mids_seq_open(struct inode *inode, struct file *file)
1523{
1524	return single_open(file, wil_mids_debugfs_show, inode->i_private);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1525}
1526
1527static const struct file_operations fops_mids = {
1528	.open		= wil_mids_seq_open,
1529	.release	= single_release,
1530	.read		= seq_read,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1531	.llseek		= seq_lseek,
1532};
1533
1534static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
1535				     size_t count, loff_t *ppos)
1536{
1537	char buf[80];
1538	int n;
1539
1540	n = snprintf(buf, sizeof(buf),
1541		     "led_id is set to %d, echo 1 to enable, 0 to disable\n",
1542		     led_id);
1543
1544	n = min_t(int, n, sizeof(buf));
1545
1546	return simple_read_from_buffer(user_buf, count, ppos,
1547				       buf, n);
1548}
1549
1550static ssize_t wil_write_file_led_cfg(struct file *file,
1551				      const char __user *buf_,
1552				      size_t count, loff_t *ppos)
1553{
1554	struct wil6210_priv *wil = file->private_data;
1555	int val;
1556	int rc;
1557
1558	rc = kstrtoint_from_user(buf_, count, 0, &val);
1559	if (rc) {
1560		wil_err(wil, "Invalid argument\n");
1561		return rc;
1562	}
1563
1564	wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
1565	rc = wmi_led_cfg(wil, val);
1566	if (rc) {
1567		wil_info(wil, "%s led %d failed\n",
1568			 val ? "Enabling" : "Disabling", led_id);
1569		return rc;
1570	}
1571
1572	return count;
1573}
1574
1575static const struct file_operations fops_led_cfg = {
1576	.read = wil_read_file_led_cfg,
1577	.write = wil_write_file_led_cfg,
1578	.open  = simple_open,
1579};
1580
1581/* led_blink_time, write:
1582 * "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
1583 */
1584static ssize_t wil_write_led_blink_time(struct file *file,
1585					const char __user *buf,
1586					size_t len, loff_t *ppos)
1587{
1588	int rc;
1589	char *kbuf = kmalloc(len + 1, GFP_KERNEL);
1590
1591	if (!kbuf)
1592		return -ENOMEM;
1593
1594	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
1595	if (rc != len) {
1596		kfree(kbuf);
1597		return rc >= 0 ? -EIO : rc;
1598	}
1599
1600	kbuf[len] = '\0';
1601	rc = sscanf(kbuf, "%d %d %d %d %d %d",
1602		    &led_blink_time[WIL_LED_TIME_SLOW].on_ms,
1603		    &led_blink_time[WIL_LED_TIME_SLOW].off_ms,
1604		    &led_blink_time[WIL_LED_TIME_MED].on_ms,
1605		    &led_blink_time[WIL_LED_TIME_MED].off_ms,
1606		    &led_blink_time[WIL_LED_TIME_FAST].on_ms,
1607		    &led_blink_time[WIL_LED_TIME_FAST].off_ms);
1608	kfree(kbuf);
1609
1610	if (rc < 0)
1611		return rc;
1612	if (rc < 6)
1613		return -EINVAL;
1614
1615	return len;
1616}
1617
1618static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
1619				       size_t count, loff_t *ppos)
1620{
1621	static char text[400];
1622
1623	snprintf(text, sizeof(text),
1624		 "To set led blink on/off time variables write:\n"
1625		 "<blink_on_slow> <blink_off_slow> <blink_on_med> "
1626		 "<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
1627		 "The current values are:\n"
1628		 "%d %d %d %d %d %d\n",
1629		 led_blink_time[WIL_LED_TIME_SLOW].on_ms,
1630		 led_blink_time[WIL_LED_TIME_SLOW].off_ms,
1631		 led_blink_time[WIL_LED_TIME_MED].on_ms,
1632		 led_blink_time[WIL_LED_TIME_MED].off_ms,
1633		 led_blink_time[WIL_LED_TIME_FAST].on_ms,
1634		 led_blink_time[WIL_LED_TIME_FAST].off_ms);
1635
1636	return simple_read_from_buffer(user_buf, count, ppos, text,
1637				       sizeof(text));
1638}
1639
1640static const struct file_operations fops_led_blink_time = {
1641	.read = wil_read_led_blink_time,
1642	.write = wil_write_led_blink_time,
1643	.open  = simple_open,
1644};
1645
1646/*---------FW capabilities------------*/
1647static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data)
1648{
1649	struct wil6210_priv *wil = s->private;
1650
1651	seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
1652		   wil->fw_capabilities);
1653
1654	return 0;
1655}
1656
1657static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file)
1658{
1659	return single_open(file, wil_fw_capabilities_debugfs_show,
1660			   inode->i_private);
1661}
1662
1663static const struct file_operations fops_fw_capabilities = {
1664	.open		= wil_fw_capabilities_seq_open,
1665	.release	= single_release,
1666	.read		= seq_read,
1667	.llseek		= seq_lseek,
1668};
1669
1670/*---------FW version------------*/
1671static int wil_fw_version_debugfs_show(struct seq_file *s, void *data)
1672{
1673	struct wil6210_priv *wil = s->private;
1674
1675	if (wil->fw_version[0])
1676		seq_printf(s, "%s\n", wil->fw_version);
1677	else
1678		seq_puts(s, "N/A\n");
1679
1680	return 0;
1681}
1682
1683static int wil_fw_version_seq_open(struct inode *inode, struct file *file)
1684{
1685	return single_open(file, wil_fw_version_debugfs_show,
1686			   inode->i_private);
1687}
1688
1689static const struct file_operations fops_fw_version = {
1690	.open		= wil_fw_version_seq_open,
1691	.release	= single_release,
1692	.read		= seq_read,
1693	.llseek		= seq_lseek,
1694};
1695
1696/*---------suspend_stats---------*/
1697static ssize_t wil_write_suspend_stats(struct file *file,
1698				       const char __user *buf,
1699				       size_t len, loff_t *ppos)
1700{
1701	struct wil6210_priv *wil = file->private_data;
1702
1703	memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
1704
1705	return len;
1706}
1707
1708static ssize_t wil_read_suspend_stats(struct file *file,
1709				      char __user *user_buf,
1710				      size_t count, loff_t *ppos)
1711{
1712	struct wil6210_priv *wil = file->private_data;
1713	char *text;
1714	int n, ret, text_size = 500;
1715
1716	text = kmalloc(text_size, GFP_KERNEL);
1717	if (!text)
1718		return -ENOMEM;
1719
1720	n = snprintf(text, text_size,
1721		     "Radio on suspend statistics:\n"
1722		     "successful suspends:%ld failed suspends:%ld\n"
1723		     "successful resumes:%ld failed resumes:%ld\n"
1724		     "rejected by device:%ld\n"
1725		     "Radio off suspend statistics:\n"
1726		     "successful suspends:%ld failed suspends:%ld\n"
1727		     "successful resumes:%ld failed resumes:%ld\n"
1728		     "General statistics:\n"
1729		     "rejected by host:%ld\n",
1730		     wil->suspend_stats.r_on.successful_suspends,
1731		     wil->suspend_stats.r_on.failed_suspends,
1732		     wil->suspend_stats.r_on.successful_resumes,
1733		     wil->suspend_stats.r_on.failed_resumes,
1734		     wil->suspend_stats.rejected_by_device,
1735		     wil->suspend_stats.r_off.successful_suspends,
1736		     wil->suspend_stats.r_off.failed_suspends,
1737		     wil->suspend_stats.r_off.successful_resumes,
1738		     wil->suspend_stats.r_off.failed_resumes,
1739		     wil->suspend_stats.rejected_by_host);
1740
1741	n = min_t(int, n, text_size);
1742
1743	ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
1744
1745	kfree(text);
1746
1747	return ret;
1748}
1749
1750static const struct file_operations fops_suspend_stats = {
1751	.read = wil_read_suspend_stats,
1752	.write = wil_write_suspend_stats,
1753	.open  = simple_open,
1754};
1755
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1756/*----------------*/
1757static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1758				       struct dentry *dbg)
1759{
1760	int i;
1761	char name[32];
1762
1763	for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1764		struct wil_blob_wrapper *wil_blob = &wil->blobs[i];
1765		struct debugfs_blob_wrapper *blob = &wil_blob->blob;
1766		const struct fw_map *map = &fw_mapping[i];
1767
1768		if (!map->name)
1769			continue;
1770
1771		wil_blob->wil = wil;
1772		blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1773		blob->size = map->to - map->from;
1774		snprintf(name, sizeof(name), "blob_%s", map->name);
1775		wil_debugfs_create_ioblob(name, 0444, dbg, wil_blob);
1776	}
1777}
1778
1779/* misc files */
1780static const struct {
1781	const char *name;
1782	umode_t mode;
1783	const struct file_operations *fops;
1784} dbg_files[] = {
1785	{"mbox",	0444,		&fops_mbox},
1786	{"vrings",	0444,		&fops_vring},
1787	{"stations", 0444,		&fops_sta},
1788	{"mids",	0444,		&fops_mids},
1789	{"desc",	0444,		&fops_txdesc},
1790	{"bf",		0444,		&fops_bf},
1791	{"mem_val",	0644,		&fops_memread},
1792	{"reset",	0244,		&fops_reset},
1793	{"rxon",	0244,		&fops_rxon},
1794	{"tx_mgmt",	0244,		&fops_txmgmt},
1795	{"wmi_send", 0244,		&fops_wmi},
1796	{"back",	0644,		&fops_back},
1797	{"pmccfg",	0644,		&fops_pmccfg},
1798	{"pmcdata",	0444,		&fops_pmcdata},
1799	{"temp",	0444,		&fops_temp},
1800	{"freq",	0444,		&fops_freq},
1801	{"link",	0444,		&fops_link},
1802	{"info",	0444,		&fops_info},
 
1803	{"recovery", 0644,		&fops_recovery},
1804	{"led_cfg",	0644,		&fops_led_cfg},
1805	{"led_blink_time",	0644,	&fops_led_blink_time},
1806	{"fw_capabilities",	0444,	&fops_fw_capabilities},
1807	{"fw_version",	0444,		&fops_fw_version},
1808	{"suspend_stats",	0644,	&fops_suspend_stats},
 
 
 
 
 
 
 
 
1809};
1810
1811static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1812				       struct dentry *dbg)
1813{
1814	int i;
1815
1816	for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1817		debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1818				    wil, dbg_files[i].fops);
1819}
1820
1821/* interrupt control blocks */
1822static const struct {
1823	const char *name;
1824	u32 icr_off;
1825} dbg_icr[] = {
1826	{"USER_ICR",		HOSTADDR(RGF_USER_USER_ICR)},
1827	{"DMA_EP_TX_ICR",	HOSTADDR(RGF_DMA_EP_TX_ICR)},
1828	{"DMA_EP_RX_ICR",	HOSTADDR(RGF_DMA_EP_RX_ICR)},
1829	{"DMA_EP_MISC_ICR",	HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1830};
1831
1832static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1833				     struct dentry *dbg)
1834{
1835	int i;
1836
1837	for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1838		wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1839					   dbg_icr[i].icr_off);
1840}
1841
1842#define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1843	offsetof(struct wil6210_priv, name), type}
1844
1845/* fields in struct wil6210_priv */
1846static const struct dbg_off dbg_wil_off[] = {
1847	WIL_FIELD(status[0],	0644,	doff_ulong),
1848	WIL_FIELD(hw_version,	0444,	doff_x32),
1849	WIL_FIELD(recovery_count, 0444,	doff_u32),
1850	WIL_FIELD(discovery_mode, 0644,	doff_u8),
1851	WIL_FIELD(chip_revision, 0444,	doff_u8),
1852	WIL_FIELD(abft_len, 0644,		doff_u8),
1853	WIL_FIELD(wakeup_trigger, 0644,		doff_u8),
1854	WIL_FIELD(vring_idle_trsh, 0644,	doff_u32),
 
 
 
 
 
1855	{},
1856};
1857
1858static const struct dbg_off dbg_wil_regs[] = {
1859	{"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1860		doff_io32},
1861	{"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
 
1862	{},
1863};
1864
1865/* static parameters */
1866static const struct dbg_off dbg_statics[] = {
1867	{"desc_index",	0644, (ulong)&dbg_txdesc_index, doff_u32},
1868	{"vring_index",	0644, (ulong)&dbg_vring_index, doff_u32},
1869	{"mem_addr",	0644, (ulong)&mem_addr, doff_u32},
1870	{"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
 
 
 
1871	{},
1872};
1873
1874static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) +
1875				ARRAY_SIZE(dbg_wil_regs) - 1 +
1876				ARRAY_SIZE(pseudo_isr_off) - 1 +
1877				ARRAY_SIZE(lgc_itr_cnt_off) - 1 +
1878				ARRAY_SIZE(tx_itr_cnt_off) - 1 +
1879				ARRAY_SIZE(rx_itr_cnt_off) - 1;
1880
1881int wil6210_debugfs_init(struct wil6210_priv *wil)
1882{
1883	struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1884			wil_to_wiphy(wil)->debugfsdir);
1885	if (IS_ERR_OR_NULL(dbg))
1886		return -ENODEV;
1887
1888	wil->dbg_data.data_arr = kcalloc(dbg_off_count,
1889					 sizeof(struct wil_debugfs_iomem_data),
1890					 GFP_KERNEL);
1891	if (!wil->dbg_data.data_arr) {
1892		debugfs_remove_recursive(dbg);
1893		wil->debug = NULL;
1894		return -ENOMEM;
1895	}
1896
1897	wil->dbg_data.iomem_data_count = 0;
1898
1899	wil_pmc_init(wil);
1900
1901	wil6210_debugfs_init_files(wil, dbg);
1902	wil6210_debugfs_init_isr(wil, dbg);
1903	wil6210_debugfs_init_blobs(wil, dbg);
1904	wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1905	wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1906				    dbg_wil_regs);
1907	wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1908
1909	wil6210_debugfs_create_pseudo_ISR(wil, dbg);
1910
1911	wil6210_debugfs_create_ITR_CNT(wil, dbg);
1912
1913	return 0;
1914}
1915
1916void wil6210_debugfs_remove(struct wil6210_priv *wil)
1917{
 
 
1918	debugfs_remove_recursive(wil->debug);
1919	wil->debug = NULL;
1920
1921	kfree(wil->dbg_data.data_arr);
 
 
1922
1923	/* free pmc memory without sending command to fw, as it will
1924	 * be reset on the way down anyway
1925	 */
1926	wil_pmc_free(wil, false);
1927}