Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / ath / wil6210 / debugfs.c
diff --git a/kernel/drivers/net/wireless/ath/wil6210/debugfs.c b/kernel/drivers/net/wireless/ath/wil6210/debugfs.c
new file mode 100644 (file)
index 0000000..bbc22d8
--- /dev/null
@@ -0,0 +1,1462 @@
+/*
+ * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/pci.h>
+#include <linux/rtnetlink.h>
+#include <linux/power_supply.h>
+
+#include "wil6210.h"
+#include "wmi.h"
+#include "txrx.h"
+
+/* Nasty hack. Better have per device instances */
+static u32 mem_addr;
+static u32 dbg_txdesc_index;
+static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
+u32 vring_idle_trsh = 16; /* HW fetches up to 16 descriptors at once */
+
+enum dbg_off_type {
+       doff_u32 = 0,
+       doff_x32 = 1,
+       doff_ulong = 2,
+       doff_io32 = 3,
+};
+
+/* offset to "wil" */
+struct dbg_off {
+       const char *name;
+       umode_t mode;
+       ulong off;
+       enum dbg_off_type type;
+};
+
+static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
+                           const char *name, struct vring *vring,
+                           char _s, char _h)
+{
+       void __iomem *x = wmi_addr(wil, vring->hwtail);
+       u32 v;
+
+       seq_printf(s, "VRING %s = {\n", name);
+       seq_printf(s, "  pa     = %pad\n", &vring->pa);
+       seq_printf(s, "  va     = 0x%p\n", vring->va);
+       seq_printf(s, "  size   = %d\n", vring->size);
+       seq_printf(s, "  swtail = %d\n", vring->swtail);
+       seq_printf(s, "  swhead = %d\n", vring->swhead);
+       seq_printf(s, "  hwtail = [0x%08x] -> ", vring->hwtail);
+       if (x) {
+               v = ioread32(x);
+               seq_printf(s, "0x%08x = %d\n", v, v);
+       } else {
+               seq_puts(s, "???\n");
+       }
+
+       if (vring->va && (vring->size < 1025)) {
+               uint i;
+
+               for (i = 0; i < vring->size; i++) {
+                       volatile struct vring_tx_desc *d = &vring->va[i].tx;
+
+                       if ((i % 64) == 0 && (i != 0))
+                               seq_puts(s, "\n");
+                       seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
+                                       _s : (vring->ctx[i].skb ? _h : 'h'));
+               }
+               seq_puts(s, "\n");
+       }
+       seq_puts(s, "}\n");
+}
+
+static int wil_vring_debugfs_show(struct seq_file *s, void *data)
+{
+       uint i;
+       struct wil6210_priv *wil = s->private;
+
+       wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
+
+       for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
+               struct vring *vring = &wil->vring_tx[i];
+               struct vring_tx_data *txdata = &wil->vring_tx_data[i];
+
+               if (vring->va) {
+                       int cid = wil->vring2cid_tid[i][0];
+                       int tid = wil->vring2cid_tid[i][1];
+                       u32 swhead = vring->swhead;
+                       u32 swtail = vring->swtail;
+                       int used = (vring->size + swhead - swtail)
+                                  % vring->size;
+                       int avail = vring->size - used - 1;
+                       char name[10];
+                       char sidle[10];
+                       /* performance monitoring */
+                       cycles_t now = get_cycles();
+                       uint64_t idle = txdata->idle * 100;
+                       uint64_t total = now - txdata->begin;
+
+                       if (total != 0) {
+                               do_div(idle, total);
+                               snprintf(sidle, sizeof(sidle), "%3d%%",
+                                        (int)idle);
+                       } else {
+                               snprintf(sidle, sizeof(sidle), "N/A");
+                       }
+                       txdata->begin = now;
+                       txdata->idle = 0ULL;
+
+                       snprintf(name, sizeof(name), "tx_%2d", i);
+
+                       if (cid < WIL6210_MAX_CID)
+                               seq_printf(s,
+                                          "\n%pM CID %d TID %d BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
+                                          wil->sta[cid].addr, cid, tid,
+                                          txdata->agg_wsize,
+                                          txdata->agg_timeout,
+                                          txdata->agg_amsdu ? "+" : "-",
+                                          used, avail, sidle);
+                       else
+                               seq_printf(s,
+                                          "\nBroadcast [%3d|%3d] idle %s\n",
+                                          used, avail, sidle);
+
+                       wil_print_vring(s, wil, name, vring, '_', 'H');
+               }
+       }
+
+       return 0;
+}
+
+static int wil_vring_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_vring_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_vring = {
+       .open           = wil_vring_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+static void wil_print_ring(struct seq_file *s, const char *prefix,
+                          void __iomem *off)
+{
+       struct wil6210_priv *wil = s->private;
+       struct wil6210_mbox_ring r;
+       int rsize;
+       uint i;
+
+       wil_memcpy_fromio_32(&r, off, sizeof(r));
+       wil_mbox_ring_le2cpus(&r);
+       /*
+        * we just read memory block from NIC. This memory may be
+        * garbage. Check validity before using it.
+        */
+       rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
+
+       seq_printf(s, "ring %s = {\n", prefix);
+       seq_printf(s, "  base = 0x%08x\n", r.base);
+       seq_printf(s, "  size = 0x%04x bytes -> %d entries\n", r.size, rsize);
+       seq_printf(s, "  tail = 0x%08x\n", r.tail);
+       seq_printf(s, "  head = 0x%08x\n", r.head);
+       seq_printf(s, "  entry size = %d\n", r.entry_size);
+
+       if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
+               seq_printf(s, "  ??? size is not multiple of %zd, garbage?\n",
+                          sizeof(struct wil6210_mbox_ring_desc));
+               goto out;
+       }
+
+       if (!wmi_addr(wil, r.base) ||
+           !wmi_addr(wil, r.tail) ||
+           !wmi_addr(wil, r.head)) {
+               seq_puts(s, "  ??? pointers are garbage?\n");
+               goto out;
+       }
+
+       for (i = 0; i < rsize; i++) {
+               struct wil6210_mbox_ring_desc d;
+               struct wil6210_mbox_hdr hdr;
+               size_t delta = i * sizeof(d);
+               void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
+
+               wil_memcpy_fromio_32(&d, x, sizeof(d));
+
+               seq_printf(s, "  [%2x] %s %s%s 0x%08x", i,
+                          d.sync ? "F" : "E",
+                          (r.tail - r.base == delta) ? "t" : " ",
+                          (r.head - r.base == delta) ? "h" : " ",
+                          le32_to_cpu(d.addr));
+               if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
+                       u16 len = le16_to_cpu(hdr.len);
+
+                       seq_printf(s, " -> %04x %04x %04x %02x\n",
+                                  le16_to_cpu(hdr.seq), len,
+                                  le16_to_cpu(hdr.type), hdr.flags);
+                       if (len <= MAX_MBOXITEM_SIZE) {
+                               int n = 0;
+                               char printbuf[16 * 3 + 2];
+                               unsigned char databuf[MAX_MBOXITEM_SIZE];
+                               void __iomem *src = wmi_buffer(wil, d.addr) +
+                                       sizeof(struct wil6210_mbox_hdr);
+                               /*
+                                * No need to check @src for validity -
+                                * we already validated @d.addr while
+                                * reading header
+                                */
+                               wil_memcpy_fromio_32(databuf, src, len);
+                               while (n < len) {
+                                       int l = min(len - n, 16);
+
+                                       hex_dump_to_buffer(databuf + n, l,
+                                                          16, 1, printbuf,
+                                                          sizeof(printbuf),
+                                                          false);
+                                       seq_printf(s, "      : %s\n", printbuf);
+                                       n += l;
+                               }
+                       }
+               } else {
+                       seq_puts(s, "\n");
+               }
+       }
+ out:
+       seq_puts(s, "}\n");
+}
+
+static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+
+       wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
+                      offsetof(struct wil6210_mbox_ctl, tx));
+       wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
+                      offsetof(struct wil6210_mbox_ctl, rx));
+
+       return 0;
+}
+
+static int wil_mbox_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_mbox_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_mbox = {
+       .open           = wil_mbox_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+static int wil_debugfs_iomem_x32_set(void *data, u64 val)
+{
+       iowrite32(val, (void __iomem *)data);
+       wmb(); /* make sure write propagated to HW */
+
+       return 0;
+}
+
+static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
+{
+       *val = ioread32((void __iomem *)data);
+
+       return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
+                       wil_debugfs_iomem_x32_set, "0x%08llx\n");
+
+static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
+                                                  umode_t mode,
+                                                  struct dentry *parent,
+                                                  void *value)
+{
+       return debugfs_create_file(name, mode, parent, value,
+                                  &fops_iomem_x32);
+}
+
+static int wil_debugfs_ulong_set(void *data, u64 val)
+{
+       *(ulong *)data = val;
+       return 0;
+}
+
+static int wil_debugfs_ulong_get(void *data, u64 *val)
+{
+       *val = *(ulong *)data;
+       return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
+                       wil_debugfs_ulong_set, "%llu\n");
+
+static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
+                                              struct dentry *parent,
+                                              ulong *value)
+{
+       return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
+}
+
+/**
+ * wil6210_debugfs_init_offset - create set of debugfs files
+ * @wil - driver's context, used for printing
+ * @dbg - directory on the debugfs, where files will be created
+ * @base - base address used in address calculation
+ * @tbl - table with file descriptions. Should be terminated with empty element.
+ *
+ * Creates files accordingly to the @tbl.
+ */
+static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
+                                       struct dentry *dbg, void *base,
+                                       const struct dbg_off * const tbl)
+{
+       int i;
+
+       for (i = 0; tbl[i].name; i++) {
+               struct dentry *f;
+
+               switch (tbl[i].type) {
+               case doff_u32:
+                       f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
+                                              base + tbl[i].off);
+                       break;
+               case doff_x32:
+                       f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
+                                              base + tbl[i].off);
+                       break;
+               case doff_ulong:
+                       f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
+                                                    dbg, base + tbl[i].off);
+                       break;
+               case doff_io32:
+                       f = wil_debugfs_create_iomem_x32(tbl[i].name,
+                                                        tbl[i].mode, dbg,
+                                                        base + tbl[i].off);
+                       break;
+               default:
+                       f = ERR_PTR(-EINVAL);
+               }
+               if (IS_ERR_OR_NULL(f))
+                       wil_err(wil, "Create file \"%s\": err %ld\n",
+                               tbl[i].name, PTR_ERR(f));
+       }
+}
+
+static const struct dbg_off isr_off[] = {
+       {"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
+       {"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
+       {"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
+       {"ICS",           S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
+       {"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
+       {"IMS",           S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
+       {"IMC",           S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
+       {},
+};
+
+static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
+                                     const char *name,
+                                     struct dentry *parent, u32 off)
+{
+       struct dentry *d = debugfs_create_dir(name, parent);
+
+       if (IS_ERR_OR_NULL(d))
+               return -ENODEV;
+
+       wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
+                                   isr_off);
+
+       return 0;
+}
+
+static const struct dbg_off pseudo_isr_off[] = {
+       {"CAUSE",   S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
+       {"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
+       {"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
+       {},
+};
+
+static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
+                                            struct dentry *parent)
+{
+       struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
+
+       if (IS_ERR_OR_NULL(d))
+               return -ENODEV;
+
+       wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
+                                   pseudo_isr_off);
+
+       return 0;
+}
+
+static const struct dbg_off lgc_itr_cnt_off[] = {
+       {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
+       {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
+       {"CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
+       {},
+};
+
+static const struct dbg_off tx_itr_cnt_off[] = {
+       {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
+        doff_io32},
+       {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
+        doff_io32},
+       {"CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
+        doff_io32},
+       {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
+        doff_io32},
+       {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
+        doff_io32},
+       {"IDL_CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
+        doff_io32},
+       {},
+};
+
+static const struct dbg_off rx_itr_cnt_off[] = {
+       {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
+        doff_io32},
+       {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
+        doff_io32},
+       {"CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
+        doff_io32},
+       {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
+        doff_io32},
+       {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
+        doff_io32},
+       {"IDL_CTL",  S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
+        doff_io32},
+       {},
+};
+
+static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
+                                         struct dentry *parent)
+{
+       struct dentry *d, *dtx, *drx;
+
+       d = debugfs_create_dir("ITR_CNT", parent);
+       if (IS_ERR_OR_NULL(d))
+               return -ENODEV;
+
+       dtx = debugfs_create_dir("TX", d);
+       drx = debugfs_create_dir("RX", d);
+       if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
+               return -ENODEV;
+
+       wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
+                                   lgc_itr_cnt_off);
+
+       wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
+                                   tx_itr_cnt_off);
+
+       wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
+                                   rx_itr_cnt_off);
+       return 0;
+}
+
+static int wil_memread_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+       void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
+
+       if (a)
+               seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, ioread32(a));
+       else
+               seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
+
+       return 0;
+}
+
+static int wil_memread_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_memread_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_memread = {
+       .open           = wil_memread_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
+                                   size_t count, loff_t *ppos)
+{
+       enum { max_count = 4096 };
+       struct debugfs_blob_wrapper *blob = file->private_data;
+       loff_t pos = *ppos;
+       size_t available = blob->size;
+       void *buf;
+       size_t ret;
+
+       if (pos < 0)
+               return -EINVAL;
+
+       if (pos >= available || !count)
+               return 0;
+
+       if (count > available - pos)
+               count = available - pos;
+       if (count > max_count)
+               count = max_count;
+
+       buf = kmalloc(count, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
+
+       wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
+                            pos, count);
+
+       ret = copy_to_user(user_buf, buf, count);
+       kfree(buf);
+       if (ret == count)
+               return -EFAULT;
+
+       count -= ret;
+       *ppos = pos + count;
+
+       return count;
+}
+
+static const struct file_operations fops_ioblob = {
+       .read =         wil_read_file_ioblob,
+       .open =         simple_open,
+       .llseek =       default_llseek,
+};
+
+static
+struct dentry *wil_debugfs_create_ioblob(const char *name,
+                                        umode_t mode,
+                                        struct dentry *parent,
+                                        struct debugfs_blob_wrapper *blob)
+{
+       return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
+}
+
+/*---reset---*/
+static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
+                                   size_t len, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       struct net_device *ndev = wil_to_ndev(wil);
+
+       /**
+        * BUG:
+        * this code does NOT sync device state with the rest of system
+        * use with care, debug only!!!
+        */
+       rtnl_lock();
+       dev_close(ndev);
+       ndev->flags &= ~IFF_UP;
+       rtnl_unlock();
+       wil_reset(wil, true);
+
+       return len;
+}
+
+static const struct file_operations fops_reset = {
+       .write = wil_write_file_reset,
+       .open  = simple_open,
+};
+
+/*---write channel 1..4 to rxon for it, 0 to rxoff---*/
+static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
+                                  size_t len, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       int rc;
+       long channel;
+       bool on;
+
+       char *kbuf = kmalloc(len + 1, GFP_KERNEL);
+
+       if (!kbuf)
+               return -ENOMEM;
+       if (copy_from_user(kbuf, buf, len)) {
+               kfree(kbuf);
+               return -EIO;
+       }
+
+       kbuf[len] = '\0';
+       rc = kstrtol(kbuf, 0, &channel);
+       kfree(kbuf);
+       if (rc)
+               return rc;
+
+       if ((channel < 0) || (channel > 4)) {
+               wil_err(wil, "Invalid channel %ld\n", channel);
+               return -EINVAL;
+       }
+       on = !!channel;
+
+       if (on) {
+               rc = wmi_set_channel(wil, (int)channel);
+               if (rc)
+                       return rc;
+       }
+
+       rc = wmi_rxon(wil, on);
+       if (rc)
+               return rc;
+
+       return len;
+}
+
+static const struct file_operations fops_rxon = {
+       .write = wil_write_file_rxon,
+       .open  = simple_open,
+};
+
+/* block ack control, write:
+ * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
+ * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
+ * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
+ */
+static ssize_t wil_write_back(struct file *file, const char __user *buf,
+                             size_t len, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       int rc;
+       char *kbuf = kmalloc(len + 1, GFP_KERNEL);
+       char cmd[9];
+       int p1, p2, p3;
+
+       if (!kbuf)
+               return -ENOMEM;
+
+       rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
+       if (rc != len) {
+               kfree(kbuf);
+               return rc >= 0 ? -EIO : rc;
+       }
+
+       kbuf[len] = '\0';
+       rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
+       kfree(kbuf);
+
+       if (rc < 0)
+               return rc;
+       if (rc < 2)
+               return -EINVAL;
+
+       if (0 == strcmp(cmd, "add")) {
+               if (rc < 3) {
+                       wil_err(wil, "BACK: add require at least 2 params\n");
+                       return -EINVAL;
+               }
+               if (rc < 4)
+                       p3 = 0;
+               wmi_addba(wil, p1, p2, p3);
+       } else if (0 == strcmp(cmd, "del_tx")) {
+               if (rc < 3)
+                       p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
+               wmi_delba_tx(wil, p1, p2);
+       } else if (0 == strcmp(cmd, "del_rx")) {
+               if (rc < 3) {
+                       wil_err(wil,
+                               "BACK: del_rx require at least 2 params\n");
+                       return -EINVAL;
+               }
+               if (rc < 4)
+                       p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
+               wmi_delba_rx(wil, mk_cidxtid(p1, p2), p3);
+       } else {
+               wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
+               return -EINVAL;
+       }
+
+       return len;
+}
+
+static ssize_t wil_read_back(struct file *file, char __user *user_buf,
+                            size_t count, loff_t *ppos)
+{
+       static const char text[] = "block ack control, write:\n"
+       " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
+       "If missing, <timeout> defaults to 0\n"
+       " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
+       " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
+       "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
+
+       return simple_read_from_buffer(user_buf, count, ppos, text,
+                                      sizeof(text));
+}
+
+static const struct file_operations fops_back = {
+       .read = wil_read_back,
+       .write = wil_write_back,
+       .open  = simple_open,
+};
+
+/*---tx_mgmt---*/
+/* Write mgmt frame to this file to send it */
+static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
+                                    size_t len, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       struct wiphy *wiphy = wil_to_wiphy(wil);
+       struct wireless_dev *wdev = wil_to_wdev(wil);
+       struct cfg80211_mgmt_tx_params params;
+       int rc;
+       void *frame = kmalloc(len, GFP_KERNEL);
+
+       if (!frame)
+               return -ENOMEM;
+
+       if (copy_from_user(frame, buf, len)) {
+               kfree(frame);
+               return -EIO;
+       }
+
+       params.buf = frame;
+       params.len = len;
+       params.chan = wdev->preset_chandef.chan;
+
+       rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
+
+       kfree(frame);
+       wil_info(wil, "%s() -> %d\n", __func__, rc);
+
+       return len;
+}
+
+static const struct file_operations fops_txmgmt = {
+       .write = wil_write_file_txmgmt,
+       .open  = simple_open,
+};
+
+/* Write WMI command (w/o mbox header) to this file to send it
+ * WMI starts from wil6210_mbox_hdr_wmi header
+ */
+static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
+                                 size_t len, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       struct wil6210_mbox_hdr_wmi *wmi;
+       void *cmd;
+       int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
+       u16 cmdid;
+       int rc, rc1;
+
+       if (cmdlen <= 0)
+               return -EINVAL;
+
+       wmi = kmalloc(len, GFP_KERNEL);
+       if (!wmi)
+               return -ENOMEM;
+
+       rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
+       if (rc < 0) {
+               kfree(wmi);
+               return rc;
+       }
+
+       cmd = &wmi[1];
+       cmdid = le16_to_cpu(wmi->id);
+
+       rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
+       kfree(wmi);
+
+       wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
+
+       return rc;
+}
+
+static const struct file_operations fops_wmi = {
+       .write = wil_write_file_wmi,
+       .open  = simple_open,
+};
+
+static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
+                           const char *prefix)
+{
+       char printbuf[16 * 3 + 2];
+       int i = 0;
+
+       while (i < len) {
+               int l = min(len - i, 16);
+
+               hex_dump_to_buffer(p + i, l, 16, 1, printbuf,
+                                  sizeof(printbuf), false);
+               seq_printf(s, "%s%s\n", prefix, printbuf);
+               i += l;
+       }
+}
+
+static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
+{
+       int i = 0;
+       int len = skb_headlen(skb);
+       void *p = skb->data;
+       int nr_frags = skb_shinfo(skb)->nr_frags;
+
+       seq_printf(s, "    len = %d\n", len);
+       wil_seq_hexdump(s, p, len, "      : ");
+
+       if (nr_frags) {
+               seq_printf(s, "    nr_frags = %d\n", nr_frags);
+               for (i = 0; i < nr_frags; i++) {
+                       const struct skb_frag_struct *frag =
+                                       &skb_shinfo(skb)->frags[i];
+
+                       len = skb_frag_size(frag);
+                       p = skb_frag_address_safe(frag);
+                       seq_printf(s, "    [%2d] : len = %d\n", i, len);
+                       wil_seq_hexdump(s, p, len, "      : ");
+               }
+       }
+}
+
+/*---------Tx/Rx descriptor------------*/
+static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+       struct vring *vring;
+       bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
+
+       vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
+
+       if (!vring->va) {
+               if (tx)
+                       seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
+               else
+                       seq_puts(s, "No Rx VRING\n");
+               return 0;
+       }
+
+       if (dbg_txdesc_index < vring->size) {
+               /* use struct vring_tx_desc for Rx as well,
+                * only field used, .dma.length, is the same
+                */
+               volatile struct vring_tx_desc *d =
+                               &vring->va[dbg_txdesc_index].tx;
+               volatile u32 *u = (volatile u32 *)d;
+               struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
+
+               if (tx)
+                       seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
+                                  dbg_txdesc_index);
+               else
+                       seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
+               seq_printf(s, "  MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
+                          u[0], u[1], u[2], u[3]);
+               seq_printf(s, "  DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
+                          u[4], u[5], u[6], u[7]);
+               seq_printf(s, "  SKB = 0x%p\n", skb);
+
+               if (skb) {
+                       skb_get(skb);
+                       wil_seq_print_skb(s, skb);
+                       kfree_skb(skb);
+               }
+               seq_puts(s, "}\n");
+       } else {
+               if (tx)
+                       seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
+                                  dbg_vring_index, dbg_txdesc_index,
+                                  vring->size);
+               else
+                       seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
+                                  dbg_txdesc_index, vring->size);
+       }
+
+       return 0;
+}
+
+static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_txdesc = {
+       .open           = wil_txdesc_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*---------beamforming------------*/
+static char *wil_bfstatus_str(u32 status)
+{
+       switch (status) {
+       case 0:
+               return "Failed";
+       case 1:
+               return "OK";
+       case 2:
+               return "Retrying";
+       default:
+               return "??";
+       }
+}
+
+static bool is_all_zeros(void * const x_, size_t sz)
+{
+       /* if reply is all-0, ignore this CID */
+       u32 *x = x_;
+       int n;
+
+       for (n = 0; n < sz / sizeof(*x); n++)
+               if (x[n])
+                       return false;
+
+       return true;
+}
+
+static int wil_bf_debugfs_show(struct seq_file *s, void *data)
+{
+       int rc;
+       int i;
+       struct wil6210_priv *wil = s->private;
+       struct wmi_notify_req_cmd cmd = {
+               .interval_usec = 0,
+       };
+       struct {
+               struct wil6210_mbox_hdr_wmi wmi;
+               struct wmi_notify_req_done_event evt;
+       } __packed reply;
+
+       for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+               u32 status;
+
+               cmd.cid = i;
+               rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
+                             WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
+                             sizeof(reply), 20);
+               /* if reply is all-0, ignore this CID */
+               if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
+                       continue;
+
+               status = le32_to_cpu(reply.evt.status);
+               seq_printf(s, "CID %d {\n"
+                          "  TSF = 0x%016llx\n"
+                          "  TxMCS = %2d TxTpt = %4d\n"
+                          "  SQI = %4d\n"
+                          "  Status = 0x%08x %s\n"
+                          "  Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
+                          "  Goodput(rx:tx) %4d:%4d\n"
+                          "}\n",
+                          i,
+                          le64_to_cpu(reply.evt.tsf),
+                          le16_to_cpu(reply.evt.bf_mcs),
+                          le32_to_cpu(reply.evt.tx_tpt),
+                          reply.evt.sqi,
+                          status, wil_bfstatus_str(status),
+                          le16_to_cpu(reply.evt.my_rx_sector),
+                          le16_to_cpu(reply.evt.my_tx_sector),
+                          le16_to_cpu(reply.evt.other_rx_sector),
+                          le16_to_cpu(reply.evt.other_tx_sector),
+                          le32_to_cpu(reply.evt.rx_goodput),
+                          le32_to_cpu(reply.evt.tx_goodput));
+       }
+       return 0;
+}
+
+static int wil_bf_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_bf_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_bf = {
+       .open           = wil_bf_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*---------SSID------------*/
+static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
+                                 size_t count, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       struct wireless_dev *wdev = wil_to_wdev(wil);
+
+       return simple_read_from_buffer(user_buf, count, ppos,
+                                      wdev->ssid, wdev->ssid_len);
+}
+
+static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
+                                  size_t count, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       struct wireless_dev *wdev = wil_to_wdev(wil);
+       struct net_device *ndev = wil_to_ndev(wil);
+
+       if (*ppos != 0) {
+               wil_err(wil, "Unable to set SSID substring from [%d]\n",
+                       (int)*ppos);
+               return -EINVAL;
+       }
+
+       if (count > sizeof(wdev->ssid)) {
+               wil_err(wil, "SSID too long, len = %d\n", (int)count);
+               return -EINVAL;
+       }
+       if (netif_running(ndev)) {
+               wil_err(wil, "Unable to change SSID on running interface\n");
+               return -EINVAL;
+       }
+
+       wdev->ssid_len = count;
+       return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
+                                     buf, count);
+}
+
+static const struct file_operations fops_ssid = {
+       .read = wil_read_file_ssid,
+       .write = wil_write_file_ssid,
+       .open  = simple_open,
+};
+
+/*---------temp------------*/
+static void print_temp(struct seq_file *s, const char *prefix, u32 t)
+{
+       switch (t) {
+       case 0:
+       case ~(u32)0:
+               seq_printf(s, "%s N/A\n", prefix);
+       break;
+       default:
+               seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
+               break;
+       }
+}
+
+static int wil_temp_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+       u32 t_m, t_r;
+       int rc = wmi_get_temperature(wil, &t_m, &t_r);
+
+       if (rc) {
+               seq_puts(s, "Failed\n");
+               return 0;
+       }
+
+       print_temp(s, "T_mac   =", t_m);
+       print_temp(s, "T_radio =", t_r);
+
+       return 0;
+}
+
+static int wil_temp_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_temp_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_temp = {
+       .open           = wil_temp_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*---------freq------------*/
+static int wil_freq_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+       struct wireless_dev *wdev = wil_to_wdev(wil);
+       u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
+
+       seq_printf(s, "Freq = %d\n", freq);
+
+       return 0;
+}
+
+static int wil_freq_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_freq_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_freq = {
+       .open           = wil_freq_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*---------link------------*/
+static int wil_link_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+       struct station_info sinfo;
+       int i, rc;
+
+       for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+               struct wil_sta_info *p = &wil->sta[i];
+               char *status = "unknown";
+
+               switch (p->status) {
+               case wil_sta_unused:
+                       status = "unused   ";
+                       break;
+               case wil_sta_conn_pending:
+                       status = "pending  ";
+                       break;
+               case wil_sta_connected:
+                       status = "connected";
+                       break;
+               }
+               seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
+                          (p->data_port_open ? " data_port_open" : ""));
+
+               if (p->status == wil_sta_connected) {
+                       rc = wil_cid_fill_sinfo(wil, i, &sinfo);
+                       if (rc)
+                               return rc;
+
+                       seq_printf(s, "  Tx_mcs = %d\n", sinfo.txrate.mcs);
+                       seq_printf(s, "  Rx_mcs = %d\n", sinfo.rxrate.mcs);
+                       seq_printf(s, "  SQ     = %d\n", sinfo.signal);
+               }
+       }
+
+       return 0;
+}
+
+static int wil_link_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_link_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_link = {
+       .open           = wil_link_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*---------info------------*/
+static int wil_info_debugfs_show(struct seq_file *s, void *data)
+{
+       struct wil6210_priv *wil = s->private;
+       struct net_device *ndev = wil_to_ndev(wil);
+       int is_ac = power_supply_is_system_supplied();
+       int rx = atomic_xchg(&wil->isr_count_rx, 0);
+       int tx = atomic_xchg(&wil->isr_count_tx, 0);
+       static ulong rxf_old, txf_old;
+       ulong rxf = ndev->stats.rx_packets;
+       ulong txf = ndev->stats.tx_packets;
+       unsigned int i;
+
+       /* >0 : AC; 0 : battery; <0 : error */
+       seq_printf(s, "AC powered : %d\n", is_ac);
+       seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
+       seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
+       rxf_old = rxf;
+       txf_old = txf;
+
+#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
+       " " __stringify(x) : ""
+
+       for (i = 0; i < ndev->num_tx_queues; i++) {
+               struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
+               unsigned long state = txq->state;
+
+               seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
+                          CHECK_QSTATE(DRV_XOFF),
+                          CHECK_QSTATE(STACK_XOFF),
+                          CHECK_QSTATE(FROZEN)
+                         );
+       }
+#undef CHECK_QSTATE
+       return 0;
+}
+
+static int wil_info_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_info_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_info = {
+       .open           = wil_info_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*---------recovery------------*/
+/* mode = [manual|auto]
+ * state = [idle|pending|running]
+ */
+static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
+                                     size_t count, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       char buf[80];
+       int n;
+       static const char * const sstate[] = {"idle", "pending", "running"};
+
+       n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
+                    no_fw_recovery ? "manual" : "auto",
+                    sstate[wil->recovery_state]);
+
+       n = min_t(int, n, sizeof(buf));
+
+       return simple_read_from_buffer(user_buf, count, ppos,
+                                      buf, n);
+}
+
+static ssize_t wil_write_file_recovery(struct file *file,
+                                      const char __user *buf_,
+                                      size_t count, loff_t *ppos)
+{
+       struct wil6210_priv *wil = file->private_data;
+       static const char run_command[] = "run";
+       char buf[sizeof(run_command) + 1]; /* to detect "runx" */
+       ssize_t rc;
+
+       if (wil->recovery_state != fw_recovery_pending) {
+               wil_err(wil, "No recovery pending\n");
+               return -EINVAL;
+       }
+
+       if (*ppos != 0) {
+               wil_err(wil, "Offset [%d]\n", (int)*ppos);
+               return -EINVAL;
+       }
+
+       if (count > sizeof(buf)) {
+               wil_err(wil, "Input too long, len = %d\n", (int)count);
+               return -EINVAL;
+       }
+
+       rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
+       if (rc < 0)
+               return rc;
+
+       buf[rc] = '\0';
+       if (0 == strcmp(buf, run_command))
+               wil_set_recovery_state(wil, fw_recovery_running);
+       else
+               wil_err(wil, "Bad recovery command \"%s\"\n", buf);
+
+       return rc;
+}
+
+static const struct file_operations fops_recovery = {
+       .read = wil_read_file_recovery,
+       .write = wil_write_file_recovery,
+       .open  = simple_open,
+};
+
+/*---------Station matrix------------*/
+static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
+{
+       int i;
+       u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
+
+       seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
+                  r->head_seq_num);
+       for (i = 0; i < r->buf_size; i++) {
+               if (i == index)
+                       seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
+               else
+                       seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
+       }
+       seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
+}
+
+static int wil_sta_debugfs_show(struct seq_file *s, void *data)
+__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
+{
+       struct wil6210_priv *wil = s->private;
+       int i, tid;
+
+       for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+               struct wil_sta_info *p = &wil->sta[i];
+               char *status = "unknown";
+
+               switch (p->status) {
+               case wil_sta_unused:
+                       status = "unused   ";
+                       break;
+               case wil_sta_conn_pending:
+                       status = "pending  ";
+                       break;
+               case wil_sta_connected:
+                       status = "connected";
+                       break;
+               }
+               seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
+                          (p->data_port_open ? " data_port_open" : ""));
+
+               if (p->status == wil_sta_connected) {
+                       spin_lock_bh(&p->tid_rx_lock);
+                       for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
+                               struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
+
+                               if (r) {
+                                       seq_printf(s, "[%2d] ", tid);
+                                       wil_print_rxtid(s, r);
+                               }
+                       }
+                       spin_unlock_bh(&p->tid_rx_lock);
+               }
+       }
+
+       return 0;
+}
+
+static int wil_sta_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, wil_sta_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_sta = {
+       .open           = wil_sta_seq_open,
+       .release        = single_release,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+};
+
+/*----------------*/
+static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
+                                      struct dentry *dbg)
+{
+       int i;
+       char name[32];
+
+       for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
+               struct debugfs_blob_wrapper *blob = &wil->blobs[i];
+               const struct fw_map *map = &fw_mapping[i];
+
+               if (!map->name)
+                       continue;
+
+               blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
+               blob->size = map->to - map->from;
+               snprintf(name, sizeof(name), "blob_%s", map->name);
+               wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
+       }
+}
+
+/* misc files */
+static const struct {
+       const char *name;
+       umode_t mode;
+       const struct file_operations *fops;
+} dbg_files[] = {
+       {"mbox",        S_IRUGO,                &fops_mbox},
+       {"vrings",      S_IRUGO,                &fops_vring},
+       {"stations",    S_IRUGO,                &fops_sta},
+       {"desc",        S_IRUGO,                &fops_txdesc},
+       {"bf",          S_IRUGO,                &fops_bf},
+       {"ssid",        S_IRUGO | S_IWUSR,      &fops_ssid},
+       {"mem_val",     S_IRUGO,                &fops_memread},
+       {"reset",                 S_IWUSR,      &fops_reset},
+       {"rxon",                  S_IWUSR,      &fops_rxon},
+       {"tx_mgmt",               S_IWUSR,      &fops_txmgmt},
+       {"wmi_send",              S_IWUSR,      &fops_wmi},
+       {"back",        S_IRUGO | S_IWUSR,      &fops_back},
+       {"temp",        S_IRUGO,                &fops_temp},
+       {"freq",        S_IRUGO,                &fops_freq},
+       {"link",        S_IRUGO,                &fops_link},
+       {"info",        S_IRUGO,                &fops_info},
+       {"recovery",    S_IRUGO | S_IWUSR,      &fops_recovery},
+};
+
+static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
+                                      struct dentry *dbg)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
+               debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
+                                   wil, dbg_files[i].fops);
+}
+
+/* interrupt control blocks */
+static const struct {
+       const char *name;
+       u32 icr_off;
+} dbg_icr[] = {
+       {"USER_ICR",            HOSTADDR(RGF_USER_USER_ICR)},
+       {"DMA_EP_TX_ICR",       HOSTADDR(RGF_DMA_EP_TX_ICR)},
+       {"DMA_EP_RX_ICR",       HOSTADDR(RGF_DMA_EP_RX_ICR)},
+       {"DMA_EP_MISC_ICR",     HOSTADDR(RGF_DMA_EP_MISC_ICR)},
+};
+
+static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
+                                    struct dentry *dbg)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
+               wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
+                                          dbg_icr[i].icr_off);
+}
+
+#define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
+       offsetof(struct wil6210_priv, name), type}
+
+/* fields in struct wil6210_priv */
+static const struct dbg_off dbg_wil_off[] = {
+       WIL_FIELD(privacy,      S_IRUGO,                doff_u32),
+       WIL_FIELD(status[0],    S_IRUGO | S_IWUSR,      doff_ulong),
+       WIL_FIELD(fw_version,   S_IRUGO,                doff_u32),
+       WIL_FIELD(hw_version,   S_IRUGO,                doff_x32),
+       WIL_FIELD(recovery_count, S_IRUGO,              doff_u32),
+       WIL_FIELD(ap_isolate,   S_IRUGO,                doff_u32),
+       {},
+};
+
+static const struct dbg_off dbg_wil_regs[] = {
+       {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
+               doff_io32},
+       {"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
+       {},
+};
+
+/* static parameters */
+static const struct dbg_off dbg_statics[] = {
+       {"desc_index",  S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
+       {"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
+       {"mem_addr",    S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
+       {"vring_idle_trsh", S_IRUGO | S_IWUSR, (ulong)&vring_idle_trsh,
+        doff_u32},
+       {},
+};
+
+int wil6210_debugfs_init(struct wil6210_priv *wil)
+{
+       struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
+                       wil_to_wiphy(wil)->debugfsdir);
+
+       if (IS_ERR_OR_NULL(dbg))
+               return -ENODEV;
+
+       wil6210_debugfs_init_files(wil, dbg);
+       wil6210_debugfs_init_isr(wil, dbg);
+       wil6210_debugfs_init_blobs(wil, dbg);
+       wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
+       wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
+                                   dbg_wil_regs);
+       wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
+
+       wil6210_debugfs_create_pseudo_ISR(wil, dbg);
+
+       wil6210_debugfs_create_ITR_CNT(wil, dbg);
+
+       return 0;
+}
+
+void wil6210_debugfs_remove(struct wil6210_priv *wil)
+{
+       debugfs_remove_recursive(wil->debug);
+       wil->debug = NULL;
+}