--- /dev/null
+/*
+
+ Broadcom B43 wireless driver
+
+ debugfs driver debugging code
+
+ Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+*/
+
+#include <linux/fs.h>
+#include <linux/debugfs.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/mutex.h>
+
+#include "b43.h"
+#include "main.h"
+#include "debugfs.h"
+#include "dma.h"
+#include "xmit.h"
+
+
+/* The root directory. */
+static struct dentry *rootdir;
+
+struct b43_debugfs_fops {
+ ssize_t (*read)(struct b43_wldev *dev, char *buf, size_t bufsize);
+ int (*write)(struct b43_wldev *dev, const char *buf, size_t count);
+ struct file_operations fops;
+ /* Offset of struct b43_dfs_file in struct b43_dfsentry */
+ size_t file_struct_offset;
+};
+
+static inline
+struct b43_dfs_file *fops_to_dfs_file(struct b43_wldev *dev,
+ const struct b43_debugfs_fops *dfops)
+{
+ void *p;
+
+ p = dev->dfsentry;
+ p += dfops->file_struct_offset;
+
+ return p;
+}
+
+
+#define fappend(fmt, x...) \
+ do { \
+ if (bufsize - count) \
+ count += snprintf(buf + count, \
+ bufsize - count, \
+ fmt , ##x); \
+ else \
+ printk(KERN_ERR "b43: fappend overflow\n"); \
+ } while (0)
+
+
+/* The biggest address values for SHM access from the debugfs files. */
+#define B43_MAX_SHM_ROUTING 4
+#define B43_MAX_SHM_ADDR 0xFFFF
+
+static ssize_t shm16read__read_file(struct b43_wldev *dev,
+ char *buf, size_t bufsize)
+{
+ ssize_t count = 0;
+ unsigned int routing, addr;
+ u16 val;
+
+ routing = dev->dfsentry->shm16read_routing_next;
+ addr = dev->dfsentry->shm16read_addr_next;
+ if ((routing > B43_MAX_SHM_ROUTING) ||
+ (addr > B43_MAX_SHM_ADDR))
+ return -EDESTADDRREQ;
+
+ val = b43_shm_read16(dev, routing, addr);
+ fappend("0x%04X\n", val);
+
+ return count;
+}
+
+static int shm16read__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int routing, addr;
+ int res;
+
+ res = sscanf(buf, "0x%X 0x%X", &routing, &addr);
+ if (res != 2)
+ return -EINVAL;
+ if (routing > B43_MAX_SHM_ROUTING)
+ return -EADDRNOTAVAIL;
+ if (addr > B43_MAX_SHM_ADDR)
+ return -EADDRNOTAVAIL;
+ if (routing == B43_SHM_SHARED) {
+ if ((addr % 2) != 0)
+ return -EADDRNOTAVAIL;
+ }
+
+ dev->dfsentry->shm16read_routing_next = routing;
+ dev->dfsentry->shm16read_addr_next = addr;
+
+ return 0;
+}
+
+static int shm16write__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int routing, addr, mask, set;
+ u16 val;
+ int res;
+
+ res = sscanf(buf, "0x%X 0x%X 0x%X 0x%X",
+ &routing, &addr, &mask, &set);
+ if (res != 4)
+ return -EINVAL;
+ if (routing > B43_MAX_SHM_ROUTING)
+ return -EADDRNOTAVAIL;
+ if (addr > B43_MAX_SHM_ADDR)
+ return -EADDRNOTAVAIL;
+ if (routing == B43_SHM_SHARED) {
+ if ((addr % 2) != 0)
+ return -EADDRNOTAVAIL;
+ }
+ if ((mask > 0xFFFF) || (set > 0xFFFF))
+ return -E2BIG;
+
+ if (mask == 0)
+ val = 0;
+ else
+ val = b43_shm_read16(dev, routing, addr);
+ val &= mask;
+ val |= set;
+ b43_shm_write16(dev, routing, addr, val);
+
+ return 0;
+}
+
+static ssize_t shm32read__read_file(struct b43_wldev *dev,
+ char *buf, size_t bufsize)
+{
+ ssize_t count = 0;
+ unsigned int routing, addr;
+ u32 val;
+
+ routing = dev->dfsentry->shm32read_routing_next;
+ addr = dev->dfsentry->shm32read_addr_next;
+ if ((routing > B43_MAX_SHM_ROUTING) ||
+ (addr > B43_MAX_SHM_ADDR))
+ return -EDESTADDRREQ;
+
+ val = b43_shm_read32(dev, routing, addr);
+ fappend("0x%08X\n", val);
+
+ return count;
+}
+
+static int shm32read__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int routing, addr;
+ int res;
+
+ res = sscanf(buf, "0x%X 0x%X", &routing, &addr);
+ if (res != 2)
+ return -EINVAL;
+ if (routing > B43_MAX_SHM_ROUTING)
+ return -EADDRNOTAVAIL;
+ if (addr > B43_MAX_SHM_ADDR)
+ return -EADDRNOTAVAIL;
+ if (routing == B43_SHM_SHARED) {
+ if ((addr % 2) != 0)
+ return -EADDRNOTAVAIL;
+ }
+
+ dev->dfsentry->shm32read_routing_next = routing;
+ dev->dfsentry->shm32read_addr_next = addr;
+
+ return 0;
+}
+
+static int shm32write__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int routing, addr, mask, set;
+ u32 val;
+ int res;
+
+ res = sscanf(buf, "0x%X 0x%X 0x%X 0x%X",
+ &routing, &addr, &mask, &set);
+ if (res != 4)
+ return -EINVAL;
+ if (routing > B43_MAX_SHM_ROUTING)
+ return -EADDRNOTAVAIL;
+ if (addr > B43_MAX_SHM_ADDR)
+ return -EADDRNOTAVAIL;
+ if (routing == B43_SHM_SHARED) {
+ if ((addr % 2) != 0)
+ return -EADDRNOTAVAIL;
+ }
+ if ((mask > 0xFFFFFFFF) || (set > 0xFFFFFFFF))
+ return -E2BIG;
+
+ if (mask == 0)
+ val = 0;
+ else
+ val = b43_shm_read32(dev, routing, addr);
+ val &= mask;
+ val |= set;
+ b43_shm_write32(dev, routing, addr, val);
+
+ return 0;
+}
+
+/* The biggest MMIO address that we allow access to from the debugfs files. */
+#define B43_MAX_MMIO_ACCESS (0xF00 - 1)
+
+static ssize_t mmio16read__read_file(struct b43_wldev *dev,
+ char *buf, size_t bufsize)
+{
+ ssize_t count = 0;
+ unsigned int addr;
+ u16 val;
+
+ addr = dev->dfsentry->mmio16read_next;
+ if (addr > B43_MAX_MMIO_ACCESS)
+ return -EDESTADDRREQ;
+
+ val = b43_read16(dev, addr);
+ fappend("0x%04X\n", val);
+
+ return count;
+}
+
+static int mmio16read__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int addr;
+ int res;
+
+ res = sscanf(buf, "0x%X", &addr);
+ if (res != 1)
+ return -EINVAL;
+ if (addr > B43_MAX_MMIO_ACCESS)
+ return -EADDRNOTAVAIL;
+ if ((addr % 2) != 0)
+ return -EINVAL;
+
+ dev->dfsentry->mmio16read_next = addr;
+
+ return 0;
+}
+
+static int mmio16write__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int addr, mask, set;
+ int res;
+ u16 val;
+
+ res = sscanf(buf, "0x%X 0x%X 0x%X", &addr, &mask, &set);
+ if (res != 3)
+ return -EINVAL;
+ if (addr > B43_MAX_MMIO_ACCESS)
+ return -EADDRNOTAVAIL;
+ if ((mask > 0xFFFF) || (set > 0xFFFF))
+ return -E2BIG;
+ if ((addr % 2) != 0)
+ return -EINVAL;
+
+ if (mask == 0)
+ val = 0;
+ else
+ val = b43_read16(dev, addr);
+ val &= mask;
+ val |= set;
+ b43_write16(dev, addr, val);
+
+ return 0;
+}
+
+static ssize_t mmio32read__read_file(struct b43_wldev *dev,
+ char *buf, size_t bufsize)
+{
+ ssize_t count = 0;
+ unsigned int addr;
+ u32 val;
+
+ addr = dev->dfsentry->mmio32read_next;
+ if (addr > B43_MAX_MMIO_ACCESS)
+ return -EDESTADDRREQ;
+
+ val = b43_read32(dev, addr);
+ fappend("0x%08X\n", val);
+
+ return count;
+}
+
+static int mmio32read__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int addr;
+ int res;
+
+ res = sscanf(buf, "0x%X", &addr);
+ if (res != 1)
+ return -EINVAL;
+ if (addr > B43_MAX_MMIO_ACCESS)
+ return -EADDRNOTAVAIL;
+ if ((addr % 4) != 0)
+ return -EINVAL;
+
+ dev->dfsentry->mmio32read_next = addr;
+
+ return 0;
+}
+
+static int mmio32write__write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ unsigned int addr, mask, set;
+ int res;
+ u32 val;
+
+ res = sscanf(buf, "0x%X 0x%X 0x%X", &addr, &mask, &set);
+ if (res != 3)
+ return -EINVAL;
+ if (addr > B43_MAX_MMIO_ACCESS)
+ return -EADDRNOTAVAIL;
+ if ((mask > 0xFFFFFFFF) || (set > 0xFFFFFFFF))
+ return -E2BIG;
+ if ((addr % 4) != 0)
+ return -EINVAL;
+
+ if (mask == 0)
+ val = 0;
+ else
+ val = b43_read32(dev, addr);
+ val &= mask;
+ val |= set;
+ b43_write32(dev, addr, val);
+
+ return 0;
+}
+
+static ssize_t txstat_read_file(struct b43_wldev *dev,
+ char *buf, size_t bufsize)
+{
+ struct b43_txstatus_log *log = &dev->dfsentry->txstatlog;
+ ssize_t count = 0;
+ int i, idx;
+ struct b43_txstatus *stat;
+
+ if (log->end < 0) {
+ fappend("Nothing transmitted, yet\n");
+ goto out;
+ }
+ fappend("b43 TX status reports:\n\n"
+ "index | cookie | seq | phy_stat | frame_count | "
+ "rts_count | supp_reason | pm_indicated | "
+ "intermediate | for_ampdu | acked\n" "---\n");
+ i = log->end + 1;
+ idx = 0;
+ while (1) {
+ if (i == B43_NR_LOGGED_TXSTATUS)
+ i = 0;
+ stat = &(log->log[i]);
+ if (stat->cookie) {
+ fappend("%03d | "
+ "0x%04X | 0x%04X | 0x%02X | "
+ "0x%X | 0x%X | "
+ "%u | %u | "
+ "%u | %u | %u\n",
+ idx,
+ stat->cookie, stat->seq, stat->phy_stat,
+ stat->frame_count, stat->rts_count,
+ stat->supp_reason, stat->pm_indicated,
+ stat->intermediate, stat->for_ampdu,
+ stat->acked);
+ idx++;
+ }
+ if (i == log->end)
+ break;
+ i++;
+ }
+out:
+
+ return count;
+}
+
+static int restart_write_file(struct b43_wldev *dev,
+ const char *buf, size_t count)
+{
+ int err = 0;
+
+ if (count > 0 && buf[0] == '1') {
+ b43_controller_restart(dev, "manually restarted");
+ } else
+ err = -EINVAL;
+
+ return err;
+}
+
+static unsigned long calc_expire_secs(unsigned long now,
+ unsigned long time,
+ unsigned long expire)
+{
+ expire = time + expire;
+
+ if (time_after(now, expire))
+ return 0; /* expired */
+ if (expire < now) {
+ /* jiffies wrapped */
+ expire -= MAX_JIFFY_OFFSET;
+ now -= MAX_JIFFY_OFFSET;
+ }
+ B43_WARN_ON(expire < now);
+
+ return (expire - now) / HZ;
+}
+
+static ssize_t loctls_read_file(struct b43_wldev *dev,
+ char *buf, size_t bufsize)
+{
+ ssize_t count = 0;
+ struct b43_txpower_lo_control *lo;
+ int i, err = 0;
+ struct b43_lo_calib *cal;
+ unsigned long now = jiffies;
+ struct b43_phy *phy = &dev->phy;
+
+ if (phy->type != B43_PHYTYPE_G) {
+ fappend("Device is not a G-PHY\n");
+ err = -ENODEV;
+ goto out;
+ }
+ lo = phy->g->lo_control;
+ fappend("-- Local Oscillator calibration data --\n\n");
+ fappend("HW-power-control enabled: %d\n",
+ dev->phy.hardware_power_control);
+ fappend("TX Bias: 0x%02X, TX Magn: 0x%02X (expire in %lu sec)\n",
+ lo->tx_bias, lo->tx_magn,
+ calc_expire_secs(now, lo->txctl_measured_time,
+ B43_LO_TXCTL_EXPIRE));
+ fappend("Power Vector: 0x%08X%08X (expires in %lu sec)\n",
+ (unsigned int)((lo->power_vector & 0xFFFFFFFF00000000ULL) >> 32),
+ (unsigned int)(lo->power_vector & 0x00000000FFFFFFFFULL),
+ calc_expire_secs(now, lo->pwr_vec_read_time,
+ B43_LO_PWRVEC_EXPIRE));
+
+ fappend("\nCalibrated settings:\n");
+ list_for_each_entry(cal, &lo->calib_list, list) {
+ bool active;
+
+ active = (b43_compare_bbatt(&cal->bbatt, &phy->g->bbatt) &&
+ b43_compare_rfatt(&cal->rfatt, &phy->g->rfatt));
+ fappend("BB(%d), RF(%d,%d) -> I=%d, Q=%d "
+ "(expires in %lu sec)%s\n",
+ cal->bbatt.att,
+ cal->rfatt.att, cal->rfatt.with_padmix,
+ cal->ctl.i, cal->ctl.q,
+ calc_expire_secs(now, cal->calib_time,
+ B43_LO_CALIB_EXPIRE),
+ active ? " ACTIVE" : "");
+ }
+
+ fappend("\nUsed RF attenuation values: Value(WithPadmix flag)\n");
+ for (i = 0; i < lo->rfatt_list.len; i++) {
+ fappend("%u(%d), ",
+ lo->rfatt_list.list[i].att,
+ lo->rfatt_list.list[i].with_padmix);
+ }
+ fappend("\n");
+ fappend("\nUsed Baseband attenuation values:\n");
+ for (i = 0; i < lo->bbatt_list.len; i++) {
+ fappend("%u, ",
+ lo->bbatt_list.list[i].att);
+ }
+ fappend("\n");
+
+out:
+ return err ? err : count;
+}
+
+#undef fappend
+
+static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct b43_wldev *dev;
+ struct b43_debugfs_fops *dfops;
+ struct b43_dfs_file *dfile;
+ ssize_t uninitialized_var(ret);
+ char *buf;
+ const size_t bufsize = 1024 * 16; /* 16 kiB buffer */
+ const size_t buforder = get_order(bufsize);
+ int err = 0;
+
+ if (!count)
+ return 0;
+ dev = file->private_data;
+ if (!dev)
+ return -ENODEV;
+
+ mutex_lock(&dev->wl->mutex);
+ if (b43_status(dev) < B43_STAT_INITIALIZED) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+
+ dfops = container_of(file->f_op, struct b43_debugfs_fops, fops);
+ if (!dfops->read) {
+ err = -ENOSYS;
+ goto out_unlock;
+ }
+ dfile = fops_to_dfs_file(dev, dfops);
+
+ if (!dfile->buffer) {
+ buf = (char *)__get_free_pages(GFP_KERNEL, buforder);
+ if (!buf) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+ memset(buf, 0, bufsize);
+ ret = dfops->read(dev, buf, bufsize);
+ if (ret <= 0) {
+ free_pages((unsigned long)buf, buforder);
+ err = ret;
+ goto out_unlock;
+ }
+ dfile->data_len = ret;
+ dfile->buffer = buf;
+ }
+
+ ret = simple_read_from_buffer(userbuf, count, ppos,
+ dfile->buffer,
+ dfile->data_len);
+ if (*ppos >= dfile->data_len) {
+ free_pages((unsigned long)dfile->buffer, buforder);
+ dfile->buffer = NULL;
+ dfile->data_len = 0;
+ }
+out_unlock:
+ mutex_unlock(&dev->wl->mutex);
+
+ return err ? err : ret;
+}
+
+static ssize_t b43_debugfs_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct b43_wldev *dev;
+ struct b43_debugfs_fops *dfops;
+ char *buf;
+ int err = 0;
+
+ if (!count)
+ return 0;
+ if (count > PAGE_SIZE)
+ return -E2BIG;
+ dev = file->private_data;
+ if (!dev)
+ return -ENODEV;
+
+ mutex_lock(&dev->wl->mutex);
+ if (b43_status(dev) < B43_STAT_INITIALIZED) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+
+ dfops = container_of(file->f_op, struct b43_debugfs_fops, fops);
+ if (!dfops->write) {
+ err = -ENOSYS;
+ goto out_unlock;
+ }
+
+ buf = (char *)get_zeroed_page(GFP_KERNEL);
+ if (!buf) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+ if (copy_from_user(buf, userbuf, count)) {
+ err = -EFAULT;
+ goto out_freepage;
+ }
+ err = dfops->write(dev, buf, count);
+ if (err)
+ goto out_freepage;
+
+out_freepage:
+ free_page((unsigned long)buf);
+out_unlock:
+ mutex_unlock(&dev->wl->mutex);
+
+ return err ? err : count;
+}
+
+
+#define B43_DEBUGFS_FOPS(name, _read, _write) \
+ static struct b43_debugfs_fops fops_##name = { \
+ .read = _read, \
+ .write = _write, \
+ .fops = { \
+ .open = simple_open, \
+ .read = b43_debugfs_read, \
+ .write = b43_debugfs_write, \
+ .llseek = generic_file_llseek, \
+ }, \
+ .file_struct_offset = offsetof(struct b43_dfsentry, \
+ file_##name), \
+ }
+
+B43_DEBUGFS_FOPS(shm16read, shm16read__read_file, shm16read__write_file);
+B43_DEBUGFS_FOPS(shm16write, NULL, shm16write__write_file);
+B43_DEBUGFS_FOPS(shm32read, shm32read__read_file, shm32read__write_file);
+B43_DEBUGFS_FOPS(shm32write, NULL, shm32write__write_file);
+B43_DEBUGFS_FOPS(mmio16read, mmio16read__read_file, mmio16read__write_file);
+B43_DEBUGFS_FOPS(mmio16write, NULL, mmio16write__write_file);
+B43_DEBUGFS_FOPS(mmio32read, mmio32read__read_file, mmio32read__write_file);
+B43_DEBUGFS_FOPS(mmio32write, NULL, mmio32write__write_file);
+B43_DEBUGFS_FOPS(txstat, txstat_read_file, NULL);
+B43_DEBUGFS_FOPS(restart, NULL, restart_write_file);
+B43_DEBUGFS_FOPS(loctls, loctls_read_file, NULL);
+
+
+bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature)
+{
+ bool enabled;
+
+ enabled = (dev->dfsentry && dev->dfsentry->dyn_debug[feature]);
+ if (unlikely(enabled)) {
+ /* Force full debugging messages, if the user enabled
+ * some dynamic debugging feature. */
+ b43_modparam_verbose = B43_VERBOSITY_MAX;
+ }
+
+ return enabled;
+}
+
+static void b43_remove_dynamic_debug(struct b43_wldev *dev)
+{
+ struct b43_dfsentry *e = dev->dfsentry;
+ int i;
+
+ for (i = 0; i < __B43_NR_DYNDBG; i++)
+ debugfs_remove(e->dyn_debug_dentries[i]);
+}
+
+static void b43_add_dynamic_debug(struct b43_wldev *dev)
+{
+ struct b43_dfsentry *e = dev->dfsentry;
+ struct dentry *d;
+
+#define add_dyn_dbg(name, id, initstate) do { \
+ e->dyn_debug[id] = (initstate); \
+ d = debugfs_create_bool(name, 0600, e->subdir, \
+ &(e->dyn_debug[id])); \
+ if (!IS_ERR(d)) \
+ e->dyn_debug_dentries[id] = d; \
+ } while (0)
+
+ add_dyn_dbg("debug_xmitpower", B43_DBG_XMITPOWER, 0);
+ add_dyn_dbg("debug_dmaoverflow", B43_DBG_DMAOVERFLOW, 0);
+ add_dyn_dbg("debug_dmaverbose", B43_DBG_DMAVERBOSE, 0);
+ add_dyn_dbg("debug_pwork_fast", B43_DBG_PWORK_FAST, 0);
+ add_dyn_dbg("debug_pwork_stop", B43_DBG_PWORK_STOP, 0);
+ add_dyn_dbg("debug_lo", B43_DBG_LO, 0);
+ add_dyn_dbg("debug_firmware", B43_DBG_FIRMWARE, 0);
+ add_dyn_dbg("debug_keys", B43_DBG_KEYS, 0);
+ add_dyn_dbg("debug_verbose_stats", B43_DBG_VERBOSESTATS, 0);
+
+#undef add_dyn_dbg
+}
+
+void b43_debugfs_add_device(struct b43_wldev *dev)
+{
+ struct b43_dfsentry *e;
+ struct b43_txstatus_log *log;
+ char devdir[16];
+
+ B43_WARN_ON(!dev);
+ e = kzalloc(sizeof(*e), GFP_KERNEL);
+ if (!e) {
+ b43err(dev->wl, "debugfs: add device OOM\n");
+ return;
+ }
+ e->dev = dev;
+ log = &e->txstatlog;
+ log->log = kcalloc(B43_NR_LOGGED_TXSTATUS,
+ sizeof(struct b43_txstatus), GFP_KERNEL);
+ if (!log->log) {
+ b43err(dev->wl, "debugfs: add device txstatus OOM\n");
+ kfree(e);
+ return;
+ }
+ log->end = -1;
+
+ dev->dfsentry = e;
+
+ snprintf(devdir, sizeof(devdir), "%s", wiphy_name(dev->wl->hw->wiphy));
+ e->subdir = debugfs_create_dir(devdir, rootdir);
+ if (!e->subdir || IS_ERR(e->subdir)) {
+ if (e->subdir == ERR_PTR(-ENODEV)) {
+ b43dbg(dev->wl, "DebugFS (CONFIG_DEBUG_FS) not "
+ "enabled in kernel config\n");
+ } else {
+ b43err(dev->wl, "debugfs: cannot create %s directory\n",
+ devdir);
+ }
+ dev->dfsentry = NULL;
+ kfree(log->log);
+ kfree(e);
+ return;
+ }
+
+ e->mmio16read_next = 0xFFFF; /* invalid address */
+ e->mmio32read_next = 0xFFFF; /* invalid address */
+ e->shm16read_routing_next = 0xFFFFFFFF; /* invalid routing */
+ e->shm16read_addr_next = 0xFFFFFFFF; /* invalid address */
+ e->shm32read_routing_next = 0xFFFFFFFF; /* invalid routing */
+ e->shm32read_addr_next = 0xFFFFFFFF; /* invalid address */
+
+#define ADD_FILE(name, mode) \
+ do { \
+ struct dentry *d; \
+ d = debugfs_create_file(__stringify(name), \
+ mode, e->subdir, dev, \
+ &fops_##name.fops); \
+ e->file_##name.dentry = NULL; \
+ if (!IS_ERR(d)) \
+ e->file_##name.dentry = d; \
+ } while (0)
+
+
+ ADD_FILE(shm16read, 0600);
+ ADD_FILE(shm16write, 0200);
+ ADD_FILE(shm32read, 0600);
+ ADD_FILE(shm32write, 0200);
+ ADD_FILE(mmio16read, 0600);
+ ADD_FILE(mmio16write, 0200);
+ ADD_FILE(mmio32read, 0600);
+ ADD_FILE(mmio32write, 0200);
+ ADD_FILE(txstat, 0400);
+ ADD_FILE(restart, 0200);
+ ADD_FILE(loctls, 0400);
+
+#undef ADD_FILE
+
+ b43_add_dynamic_debug(dev);
+}
+
+void b43_debugfs_remove_device(struct b43_wldev *dev)
+{
+ struct b43_dfsentry *e;
+
+ if (!dev)
+ return;
+ e = dev->dfsentry;
+ if (!e)
+ return;
+ b43_remove_dynamic_debug(dev);
+
+ debugfs_remove(e->file_shm16read.dentry);
+ debugfs_remove(e->file_shm16write.dentry);
+ debugfs_remove(e->file_shm32read.dentry);
+ debugfs_remove(e->file_shm32write.dentry);
+ debugfs_remove(e->file_mmio16read.dentry);
+ debugfs_remove(e->file_mmio16write.dentry);
+ debugfs_remove(e->file_mmio32read.dentry);
+ debugfs_remove(e->file_mmio32write.dentry);
+ debugfs_remove(e->file_txstat.dentry);
+ debugfs_remove(e->file_restart.dentry);
+ debugfs_remove(e->file_loctls.dentry);
+
+ debugfs_remove(e->subdir);
+ kfree(e->txstatlog.log);
+ kfree(e);
+}
+
+void b43_debugfs_log_txstat(struct b43_wldev *dev,
+ const struct b43_txstatus *status)
+{
+ struct b43_dfsentry *e = dev->dfsentry;
+ struct b43_txstatus_log *log;
+ struct b43_txstatus *cur;
+ int i;
+
+ if (!e)
+ return;
+ log = &e->txstatlog;
+ i = log->end + 1;
+ if (i == B43_NR_LOGGED_TXSTATUS)
+ i = 0;
+ log->end = i;
+ cur = &(log->log[i]);
+ memcpy(cur, status, sizeof(*cur));
+}
+
+void b43_debugfs_init(void)
+{
+ rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
+ if (IS_ERR(rootdir))
+ rootdir = NULL;
+}
+
+void b43_debugfs_exit(void)
+{
+ debugfs_remove(rootdir);
+}
Code Review / kvmfornfv.git / blobdiff