Release 4.7 drivers/bluetooth/btmrvl_debugfs.c

/**
 * Marvell Bluetooth driver: debugfs related functions
 *
 * Copyright (C) 2009, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 **/

#include <linux/debugfs.h>
#include <linux/slab.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btmrvl_drv.h"


struct btmrvl_debugfs_data {
	
struct dentry *config_dir;
	
struct dentry *status_dir;
};



static ssize_t btmrvl_hscfgcmd_write(struct file *file,
			const char __user *ubuf, size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = kstrtol(buf, 10, &result);
	if (ret)
		return ret;

	priv->btmrvl_dev.hscfgcmd = result;

	if (priv->btmrvl_dev.hscfgcmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;
}

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bing zhao
bing zhao
126
90.65%
1
25.00%
david s. miller
david s. miller
7
5.04%
1
25.00%
marcel holtmann
marcel holtmann
5
3.60%
1
25.00%
jingoo han
jingoo han
1
0.72%
1
25.00%
Total
139
100.00%
4
100.00%



static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
						priv->btmrvl_dev.hscfgcmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

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bing zhao
bing zhao
74
96.10%
1
50.00%
marcel holtmann
marcel holtmann
3
3.90%
1
50.00%
Total
77
100.00%
2
100.00%


static const struct file_operations btmrvl_hscfgcmd_fops = {
	.read	= btmrvl_hscfgcmd_read,
	.write	= btmrvl_hscfgcmd_write,
	.open	= simple_open,
	.llseek = default_llseek,
};



static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = kstrtol(buf, 10, &result);
	if (ret)
		return ret;

	priv->btmrvl_dev.pscmd = result;

	if (priv->btmrvl_dev.pscmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;

}

Contributors
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CommitProp
bing zhao
bing zhao
99
71.22%
1
20.00%
andy shevchenko
andy shevchenko
27
19.42%
1
20.00%
david s. miller
david s. miller
7
5.04%
1
20.00%
marcel holtmann
marcel holtmann
5
3.60%
1
20.00%
jingoo han
jingoo han
1
0.72%
1
20.00%
Total
139
100.00%
5
100.00%



static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

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bing zhao
bing zhao
72
93.51%
1
33.33%
marcel holtmann
marcel holtmann
3
3.90%
1
33.33%
andy shevchenko
andy shevchenko
2
2.60%
1
33.33%
Total
77
100.00%
3
100.00%


static const struct file_operations btmrvl_pscmd_fops = {
	.read = btmrvl_pscmd_read,
	.write = btmrvl_pscmd_write,
	.open = simple_open,
	.llseek = default_llseek,
};



static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = kstrtol(buf, 10, &result);
	if (ret)
		return ret;

	priv->btmrvl_dev.hscmd = result;
	if (priv->btmrvl_dev.hscmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;
}

Contributors
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CommitProp
bing zhao
bing zhao
123
88.49%
1
20.00%
david s. miller
david s. miller
7
5.04%
1
20.00%
marcel holtmann
marcel holtmann
5
3.60%
1
20.00%
andy shevchenko
andy shevchenko
3
2.16%
1
20.00%
jingoo han
jingoo han
1
0.72%
1
20.00%
Total
139
100.00%
5
100.00%



static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

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bing zhao
bing zhao
72
93.51%
1
33.33%
marcel holtmann
marcel holtmann
3
3.90%
1
33.33%
andy shevchenko
andy shevchenko
2
2.60%
1
33.33%
Total
77
100.00%
3
100.00%


static const struct file_operations btmrvl_hscmd_fops = {
	.read	= btmrvl_hscmd_read,
	.write	= btmrvl_hscmd_write,
	.open	= simple_open,
	.llseek = default_llseek,
};



static ssize_t btmrvl_fwdump_write(struct file *file, const char __user *ubuf,
				   size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	bool result;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	if (strtobool(buf, &result))
		return -EINVAL;

	if (!result)
		return -EINVAL;

	btmrvl_firmware_dump(priv);

	return count;
}

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xinming hu
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static const struct file_operations btmrvl_fwdump_fops = {
	.write	= btmrvl_fwdump_write,
	.open	= simple_open,
	.llseek = default_llseek,
};



void btmrvl_debugfs_init(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);
	struct btmrvl_debugfs_data *dbg;

	if (!hdev->debugfs)
		return;

	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	priv->debugfs_data = dbg;

	if (!dbg) {
		BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
		return;
	}

	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);

	debugfs_create_u8("psmode", 0644, dbg->config_dir,
			  &priv->btmrvl_dev.psmode);
	debugfs_create_file("pscmd", 0644, dbg->config_dir,
			    priv, &btmrvl_pscmd_fops);
	debugfs_create_x16("gpiogap", 0644, dbg->config_dir,
			   &priv->btmrvl_dev.gpio_gap);
	debugfs_create_u8("hsmode", 0644, dbg->config_dir,
			  &priv->btmrvl_dev.hsmode);
	debugfs_create_file("hscmd", 0644, dbg->config_dir,
			    priv, &btmrvl_hscmd_fops);
	debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
			    priv, &btmrvl_hscfgcmd_fops);
	debugfs_create_file("fw_dump", 0200, dbg->config_dir,
			    priv, &btmrvl_fwdump_fops);

	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
	debugfs_create_u8("curpsmode", 0444, dbg->status_dir,
			  &priv->adapter->psmode);
	debugfs_create_u8("psstate", 0444, dbg->status_dir,
			  &priv->adapter->ps_state);
	debugfs_create_u8("hsstate", 0444, dbg->status_dir,
			  &priv->adapter->hs_state);
	debugfs_create_u8("txdnldready", 0444, dbg->status_dir,
			  &priv->btmrvl_dev.tx_dnld_rdy);
}

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bing zhao
bing zhao
161
57.30%
1
16.67%
andy shevchenko
andy shevchenko
98
34.88%
1
16.67%
xinming hu
xinming hu
16
5.69%
1
16.67%
david herrmann
david herrmann
3
1.07%
1
16.67%
marcel holtmann
marcel holtmann
3
1.07%
2
33.33%
Total
281
100.00%
6
100.00%



void btmrvl_debugfs_remove(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);
	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;

	if (!dbg)
		return;

	debugfs_remove_recursive(dbg->config_dir);
	debugfs_remove_recursive(dbg->status_dir);

	kfree(dbg);
}
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bing zhao
bing zhao
49
90.74%
1
33.33%
david herrmann
david herrmann
3
5.56%
1
33.33%
andy shevchenko
andy shevchenko
2
3.70%
1
33.33%
Total
54
100.00%
3
100.00%

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bing zhao
bing zhao
861
69.77%
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9.09%
xinming hu
xinming hu
152
12.32%
1
9.09%
andy shevchenko
andy shevchenko
140
11.35%
1
9.09%
marcel holtmann
marcel holtmann
30
2.43%
2
18.18%
david s. miller
david s. miller
21
1.70%
1
9.09%
arnd bergmann
arnd bergmann
15
1.22%
1
9.09%
david herrmann
david herrmann
6
0.49%
1
9.09%
tejun heo
tejun heo
3
0.24%
1
9.09%
stephen boyd
stephen boyd
3
0.24%
1
9.09%
jingoo han
jingoo han
3
0.24%
1
9.09%
Total
1234
100.00%
11
100.00%
  
Directory: drivers/bluetooth

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