Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / wireless / ti / wlcore / debugfs.h
diff --git a/kernel/drivers/net/wireless/ti/wlcore/debugfs.h b/kernel/drivers/net/wireless/ti/wlcore/debugfs.h
new file mode 100644 (file)
index 0000000..bf14676
--- /dev/null
@@ -0,0 +1,120 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __DEBUGFS_H__
+#define __DEBUGFS_H__
+
+#include "wlcore.h"
+
+__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
+                                       loff_t *ppos, char *fmt, ...);
+
+int wl1271_debugfs_init(struct wl1271 *wl);
+void wl1271_debugfs_exit(struct wl1271 *wl);
+void wl1271_debugfs_reset(struct wl1271 *wl);
+void wl1271_debugfs_update_stats(struct wl1271 *wl);
+
+#define DEBUGFS_FORMAT_BUFFER_SIZE 256
+
+#define DEBUGFS_READONLY_FILE(name, fmt, value...)                     \
+static ssize_t name## _read(struct file *file, char __user *userbuf,   \
+                           size_t count, loff_t *ppos)                 \
+{                                                                      \
+       struct wl1271 *wl = file->private_data;                         \
+       return wl1271_format_buffer(userbuf, count, ppos,               \
+                                   fmt "\n", ##value);                 \
+}                                                                      \
+                                                                       \
+static const struct file_operations name## _ops = {                    \
+       .read = name## _read,                                           \
+       .open = simple_open,                                            \
+       .llseek = generic_file_llseek,                                  \
+};
+
+#define DEBUGFS_ADD(name, parent)                                      \
+       do {                                                            \
+               entry = debugfs_create_file(#name, 0400, parent,        \
+                                           wl, &name## _ops);          \
+               if (!entry || IS_ERR(entry))                            \
+                       goto err;                                       \
+       } while (0)
+
+
+#define DEBUGFS_ADD_PREFIX(prefix, name, parent)                       \
+       do {                                                            \
+               entry = debugfs_create_file(#name, 0400, parent,        \
+                                   wl, &prefix## _## name## _ops);     \
+               if (!entry || IS_ERR(entry))                            \
+                       goto err;                                       \
+       } while (0)
+
+#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type)              \
+static ssize_t sub## _ ##name## _read(struct file *file,               \
+                                     char __user *userbuf,             \
+                                     size_t count, loff_t *ppos)       \
+{                                                                      \
+       struct wl1271 *wl = file->private_data;                         \
+       struct struct_type *stats = wl->stats.fw_stats;                 \
+                                                                       \
+       wl1271_debugfs_update_stats(wl);                                \
+                                                                       \
+       return wl1271_format_buffer(userbuf, count, ppos, fmt "\n",     \
+                                   stats->sub.name);                   \
+}                                                                      \
+                                                                       \
+static const struct file_operations sub## _ ##name## _ops = {          \
+       .read = sub## _ ##name## _read,                                 \
+       .open = simple_open,                                            \
+       .llseek = generic_file_llseek,                                  \
+};
+
+#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type)                \
+static ssize_t sub## _ ##name## _read(struct file *file,               \
+                                     char __user *userbuf,             \
+                                     size_t count, loff_t *ppos)       \
+{                                                                      \
+       struct wl1271 *wl = file->private_data;                         \
+       struct struct_type *stats = wl->stats.fw_stats;                 \
+       char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = "";                      \
+       int res, i;                                                     \
+                                                                       \
+       wl1271_debugfs_update_stats(wl);                                \
+                                                                       \
+       for (i = 0; i < len; i++)                                       \
+               res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n",       \
+                              buf, i, stats->sub.name[i]);             \
+                                                                       \
+       return wl1271_format_buffer(userbuf, count, ppos, "%s", buf);   \
+}                                                                      \
+                                                                       \
+static const struct file_operations sub## _ ##name## _ops = {          \
+       .read = sub## _ ##name## _read,                                 \
+       .open = simple_open,                                            \
+       .llseek = generic_file_llseek,                                  \
+};
+
+#define DEBUGFS_FWSTATS_ADD(sub, name)                                 \
+       DEBUGFS_ADD(sub## _ ##name, stats)
+
+
+#endif /* WL1271_DEBUGFS_H */