/*
 * Pioctl operations for Coda.
 * Original version: (C) 1996 Peter Braam
 * Rewritten for Linux 2.1: (C) 1997 Carnegie Mellon University
 *
 * Carnegie Mellon encourages users of this code to contribute improvements
 * to the Coda project. Contact Peter Braam <coda@cs.cmu.edu>.
 */

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/namei.h>
#include <linux/module.h>
#include <linux/uaccess.h>

#include <linux/coda.h>
#include <linux/coda_psdev.h>

#include "coda_linux.h"

/* pioctl ops */
static int coda_ioctl_permission(struct inode *inode, int mask);
static long coda_pioctl(struct file *filp, unsigned int cmd,
			unsigned long user_data);

/* exported from this file */
const struct inode_operations coda_ioctl_inode_operations = {
	.permission	= coda_ioctl_permission,
	.setattr	= coda_setattr,
};

const struct file_operations coda_ioctl_operations = {
	.unlocked_ioctl	= coda_pioctl,
	.llseek		= noop_llseek,
};

/* the coda pioctl inode ops */
static int coda_ioctl_permission(struct inode *inode, int mask)
{
	return (mask & MAY_EXEC) ? -EACCES : 0;
}

static long coda_pioctl(struct file *filp, unsigned int cmd,
			unsigned long user_data)
{
	struct path path;
	int error;
	struct PioctlData data;
	struct inode *inode = file_inode(filp);
	struct inode *target_inode = NULL;
	struct coda_inode_info *cnp;

	/* get the Pioctl data arguments from user space */
	if (copy_from_user(&data, (void __user *)user_data, sizeof(data)))
		return -EINVAL;

	/*
	 * Look up the pathname. Note that the pathname is in
	 * user memory, and namei takes care of this
	 */
	if (data.follow)
		error = user_path(data.path, &path);
	else
		error = user_lpath(data.path, &path);

	if (error)
		return error;

	target_inode = d_inode(path.dentry);

	/* return if it is not a Coda inode */
	if (target_inode->i_sb != inode->i_sb) {
		error = -EINVAL;
		goto out;
	}

	/* now proceed to make the upcall */
	cnp = ITOC(target_inode);

	error = venus_pioctl(inode->i_sb, &(cnp->c_fid), cmd, &data);
out:
	path_put(&path);
	return error;
}
='/cgit.cgi/linux/net-next.git/diff/net/nfc/nci/Kconfig?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/nfc/nci/Kconfig'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='04d8a0a5f3b6887543850d991a5e37c4ec90e250'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/nfc?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>nfc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/nfc/nci?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>nci</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/nfc/nci/Kconfig?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>Kconfig</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='04d8a0a5f3b6887543850d991a5e37c4ec90e250'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Raju Lakkaraju &lt;Raju.Lakkaraju@microsemi.com&gt;</td><td class='right'>2017-02-07 19:10:26 +0530</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-08 13:29:04 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/nfc/nci/Kconfig?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>04d8a0a5f3b6887543850d991a5e37c4ec90e250</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/nfc/nci/Kconfig?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>ee1fafb2122c2b29c7cb19e571bd7229afdbf847</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/nfc/nci/Kconfig?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>net/nfc/nci/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/nfc/nci/Kconfig?h=nds-private-remove&amp;id=ff4cf0e5ce952488074aa7f47734af1794f55fbc'>ff4cf0e5ce952488074aa7f47734af1794f55fbc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/nfc/nci/Kconfig?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250&amp;id2=ff4cf0e5ce952488074aa7f47734af1794f55fbc'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: phy: Add LED mode driver for Microsemi PHYs.</div><div class='commit-msg'>LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.

LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
from Device Tree.

Signed-off-by: Raju Lakkaraju &lt;Raju.Lakkaraju@microsemi.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>Diffstat</a> (limited to 'net/nfc/nci/Kconfig')</div><table summary='diffstat' class='diffstat'>