[PATCH 2/8] staging: dgnc: removes proc code

Lidza Louina lidza.louina at gmail.com
Tue Aug 13 19:49:52 UTC 2013


This patch removes the dgnc_proc.c file, all references to proc functions in dgnc_driver.c and from the Makefile's build.

There were a lot of issues with the proc code so I removed it to make sure it builds. I'll work on the proc code and add it to the build once it fits the new proc API.

Signed-off-by: Lidza Louina <lidza.louina at gmail.com>
---
 drivers/staging/dgnc/Makefile      |    2 +-
 drivers/staging/dgnc/dgnc_driver.c |    6 +-
 drivers/staging/dgnc/dgnc_proc.c   | 1551 ------------------------------------
 3 files changed, 4 insertions(+), 1555 deletions(-)
 delete mode 100644 drivers/staging/dgnc/dgnc_proc.c

diff --git a/drivers/staging/dgnc/Makefile b/drivers/staging/dgnc/Makefile
index c4c96dc..888c433 100644
--- a/drivers/staging/dgnc/Makefile
+++ b/drivers/staging/dgnc/Makefile
@@ -4,4 +4,4 @@ obj-$(CONFIG_DGNC) += dgnc.o
 
 dgnc-objs :=   dgnc_cls.o dgnc_driver.o\
                dgnc_mgmt.o dgnc_neo.o\
-               dgnc_proc.o dgnc_trace.o dgnc_tty.o dgnc_sysfs.o
+               dgnc_trace.o dgnc_tty.o dgnc_sysfs.o
diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index 7c88de7..b09c20c 100644
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -315,7 +315,7 @@ static int dgnc_start(void)
 		/*
 		 * Register our basic stuff in /proc/dgnc
 		 */
-		dgnc_proc_register_basic_prescan();
+		/*dgnc_proc_register_basic_prescan();*/
 
 		/*
 		 * Init any global tty stuff.
@@ -401,7 +401,7 @@ void dgnc_cleanup_module(void)
 	/* Turn off poller right away. */
 	del_timer_sync(&dgnc_poll_timer);
 
-	dgnc_proc_unregister_all();
+	/*dgnc_proc_unregister_all();*/
 
 	dgnc_remove_driver_sysfiles(&dgnc_driver);
 
@@ -742,7 +742,7 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 	 */
 	brd->flipbuf = dgnc_driver_kzmalloc(MYFLIPLEN, GFP_KERNEL);
 
-	dgnc_proc_register_basic_postscan(dgnc_NumBoards);
+	/*dgnc_proc_register_basic_postscan(dgnc_NumBoards);*/
 
 	wake_up_interruptible(&brd->state_wait);
 
diff --git a/drivers/staging/dgnc/dgnc_proc.c b/drivers/staging/dgnc/dgnc_proc.c
deleted file mode 100644
index 8fbaf3b..0000000
--- a/drivers/staging/dgnc/dgnc_proc.c
+++ /dev/null
@@ -1,1551 +0,0 @@
-/*
- * Copyright 2003 Digi International (www.digi.com)
- *	Scott H Kilau <Scott_Kilau at digi dot com>
- *
- * 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, or (at your option)
- * any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- *	NOTE TO LINUX KERNEL HACKERS:  DO NOT REFORMAT THIS CODE!
- *
- *	This is shared code between Digi's CVS archive and the
- *	Linux Kernel sources.
- *	Changing the source just for reformatting needlessly breaks
- *	our CVS diff history.
- *
- *	Send any bug fixes/changes to:  Eng.Linux at digi dot com.
- *	Thank you.
- *
- *
- * $Id: dgnc_proc.c,v 1.3 2011/06/22 12:16:35 markh Exp $
- */
-
-#include <linux/kernel.h>
-#include <linux/version.h>
-#include <linux/sched.h>	/* For jiffies, task states */
-#include <linux/interrupt.h>	/* For tasklet and interrupt structs/defines */
-#include <linux/module.h>
-#include <linux/ctype.h>
-#include <linux/proc_fs.h>
-#include <linux/serial_reg.h>
-#include <linux/sched.h>		/* For in_egroup_p() */
-#include <linux/string.h>
-#include <asm/uaccess.h>		/* For copy_from_user/copy_to_user */
-
-#include "dgnc_driver.h"
-#include "dgnc_proc.h"
-#include "dgnc_mgmt.h"
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
-#define init_MUTEX(sem)         sema_init(sem, 1)
-#define DECLARE_MUTEX(name)     \
-        struct semaphore name = __SEMAPHORE_INITIALIZER(name, 1)
-#endif
-
-
-/* The /proc/dgnc directory */
-static struct proc_dir_entry *ProcDGNC;
-
-
-/* File operation declarations */
-static int	dgnc_gen_proc_open(struct inode *, struct file *);
-static int	dgnc_gen_proc_close(struct inode *, struct file *);
-static ssize_t	dgnc_gen_proc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos);
-static ssize_t	dgnc_gen_proc_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
-
-static int dgnc_proc_chk_perm(struct inode *, int);
-
-static const struct file_operations dgnc_proc_file_ops =
-{
-	.owner =	THIS_MODULE,
-	.read =		dgnc_gen_proc_read,	/* read		*/
-	.write =	dgnc_gen_proc_write,	/* write	*/
-	.open =		dgnc_gen_proc_open,	/* open		*/
-	.release =	dgnc_gen_proc_close,	/* release	*/
-};
-
-
-static struct inode_operations dgnc_proc_inode_ops =
-{
-	.permission =	dgnc_proc_chk_perm
-};
-
-
-static void dgnc_register_proc_table(struct dgnc_proc_entry *, struct proc_dir_entry *);
-static void dgnc_unregister_proc_table(struct dgnc_proc_entry *, struct proc_dir_entry *);
-static void dgnc_remove_proc_entry(struct proc_dir_entry *pde);
-
-
-/* Stuff in /proc/ */
-static int dgnc_read_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_write_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				const char __user *buffer, ssize_t *lenp, loff_t *ppos);
-
-static int dgnc_read_mknod(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-
-static struct dgnc_proc_entry dgnc_table[] = {
-	{DGNC_INFO,	"info", 0600, NULL, NULL, NULL, &dgnc_read_info, &dgnc_write_info,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_table[0].excl_sem, 1), 0, NULL },
-	{DGNC_MKNOD, "mknod", 0600, NULL, NULL, NULL, &dgnc_read_mknod, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_table[1].excl_sem, 1), 0, NULL },
-	{0}
-};
-
-
-/* Stuff in /proc/<board>/ */
-static int dgnc_read_board_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_board_vpd(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_board_mknod(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_board_ttystats(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_board_ttyintr(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_board_ttyflags(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-
-static struct dgnc_proc_entry dgnc_board_table[] = {
-	{DGNC_BOARD_INFO, "info", 0600, NULL, NULL, NULL, &dgnc_read_board_info, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_board_table[0].excl_sem, 1), 0, NULL },
-	{DGNC_BOARD_VPD, "vpd", 0600, NULL, NULL, NULL, &dgnc_read_board_vpd, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_board_table[1].excl_sem, 1), 0, NULL },
-	{DGNC_BOARD_TTYSTATS, "stats", 0600, NULL, NULL, NULL, &dgnc_read_board_ttystats, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_board_table[2].excl_sem, 1), 0, NULL },
-	{DGNC_BOARD_TTYINTR, "intr", 0600, NULL, NULL, NULL, &dgnc_read_board_ttyintr, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_board_table[3].excl_sem, 1), 0, NULL },
-	{DGNC_BOARD_TTYFLAGS, "flags", 0600, NULL, NULL, NULL, &dgnc_read_board_ttyflags, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_board_table[4].excl_sem, 1), 0, NULL },
-	{DGNC_BOARD_MKNOD, "mknod", 0600, NULL, NULL, NULL, &dgnc_read_board_mknod, NULL,
-			NULL, __SEMAPHORE_INITIALIZER(dgnc_board_table[5].excl_sem, 1), 0, NULL },
-	{0}
-};
-
-
-/* Stuff in /proc/<board>/<channel> */
-static int dgnc_read_channel_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_open_channel_sniff(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				void *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_close_channel_sniff(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				void *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_channel_sniff(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user  *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_channel_custom_ttyname(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-static int dgnc_read_channel_custom_prname(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos);
-
-static struct dgnc_proc_entry dgnc_channel_table[] = {
-	{DGNC_PORT_INFO, "info", 0600, NULL, NULL, NULL, &dgnc_read_channel_info, NULL,
-		NULL, __SEMAPHORE_INITIALIZER(dgnc_channel_table[0].excl_sem, 1), 0, NULL },
-	{DGNC_PORT_SNIFF, "sniff", 0600, NULL, &dgnc_open_channel_sniff, &dgnc_close_channel_sniff, &dgnc_read_channel_sniff, NULL,
-		NULL, __SEMAPHORE_INITIALIZER(dgnc_channel_table[1].excl_sem, 1), 0, NULL},
-        {DGNC_PORT_CUSTOM_TTYNAME, "ttyname", 0600, NULL, NULL, NULL, &dgnc_read_channel_custom_ttyname, NULL,
-		NULL, __SEMAPHORE_INITIALIZER(dgnc_channel_table[2].excl_sem, 1), 0, NULL },
-        {DGNC_PORT_CUSTOM_PRNAME, "prname", 0600, NULL, NULL, NULL, &dgnc_read_channel_custom_prname, NULL,
-		NULL, __SEMAPHORE_INITIALIZER(dgnc_channel_table[3].excl_sem, 1), 0, NULL },
-	{0}
-};
-
-
-/*
- * dgnc_test_perm does NOT grant the superuser all rights automatically, because
- * some entries are readonly even to root.
- */
-static inline int dgnc_test_perm(int mode, int op)
-{
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-	if (!current->euid)
-#else
-	if (!current_euid())
-#endif
-		mode >>= 6;
-	else if (in_egroup_p(0))
-		mode >>= 3;
-	if ((mode & op & 0007) == op)
-		return 0;
-	if (capable(CAP_SYS_ADMIN))
-		return 0;
-	return -EACCES;
-}
-
-
-/*
- * /proc/sys support
- */
-static inline int dgnc_proc_match(int len, const char *name, struct proc_dir_entry *de)
-{
-	if (!de || !de->low_ino)
-		return 0;
-	if (de->namelen != len)  
-		return 0;
-	return !memcmp(name, de->name, len);
-}
-
-
-/*
- *  Scan the entries in table and add them all to /proc at the position
- *  referred to by "root"
- */
-static void dgnc_register_proc_table(struct dgnc_proc_entry *table, struct proc_dir_entry *root)
-{
-	struct proc_dir_entry *de;
-	int len;
-	mode_t mode;
-
-	for (; table->magic; table++) {
-		/* Can't do anything without a proc name. */
-		if (!table->name) {
-			DPR_PROC(("dgnc_register_proc_table, no name...\n"));
-			continue;
-		}
-
-		/* Maybe we can't do anything with it... */
-		if (!table->read_handler && !table->write_handler && !table->child) {
-			DPR_PROC((KERN_WARNING "DGNC PROC: Can't register %s\n", table->name));
-			continue;
-		}
-
-		len = strlen(table->name);
-		mode = table->mode;
-		de = NULL;
-
-		if (!table->child) {
-			mode |= S_IFREG;
-		} else {
-			mode |= S_IFDIR;
-			for (de = root->subdir; de; de = de->next) {
-				if (dgnc_proc_match(len, table->name, de))
-					break;
-			}
-
-			/* If the subdir exists already, de is non-NULL */
-		}
-
-		if (!de) {
-			de = create_proc_entry(table->name, mode, root);
-			if (!de)
-				continue;
-			de->data = (void *) table;
-			if (!table->child) {
-				de->proc_iops = &dgnc_proc_inode_ops;
-				de->proc_fops = &dgnc_proc_file_ops;		
-			}
-		}
-
-		table->de = de;
-
-		if (de->mode & S_IFDIR)
-			dgnc_register_proc_table(table->child, de);
-
-	}
-}
-
-
-
-/*
- * Unregister a /proc sysctl table and any subdirectories.
- */
-static void dgnc_unregister_proc_table(struct dgnc_proc_entry *table, struct proc_dir_entry *root)
-{
-	struct proc_dir_entry *de;
-
-	for (; table->magic; table++) {
-		if (!(de = table->de))
-			continue;
-
-		if (de->mode & S_IFDIR) {
-			if (!table->child) {
-				DPR_PROC((KERN_ALERT "Help - malformed sysctl tree on free\n"));
-				continue;
-			}
-
-			/* recurse down into subdirectory... */
-			DPR_PROC(("Recursing down a directory...\n"));
-			dgnc_unregister_proc_table(table->child, de);
-
-			/* Don't unregister directories which still have entries.. */
-			if (de->subdir)
-				continue;
-		}   
-
-		/* Don't unregister proc entries that are still being used.. */
-		if ((atomic_read(&de->count)) != 1) {
-			DPR_PROC(("proc entry in use... Not removing...\n"));
-			continue;
-		}
-
-		dgnc_remove_proc_entry(de);
-		table->de = NULL;
-	}
-}
-
-
-
-static int dgnc_gen_proc_open(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *de;
-	struct dgnc_proc_entry *entry;
-	int (*handler) (struct dgnc_proc_entry *table, int dir, struct file *filp,
-		void *buffer, ssize_t *lenp, loff_t *ppos);
-	int ret = 0, error = 0;
-
-	de = (struct proc_dir_entry *) PDE(file->f_dentry->d_inode);
-	if (!de || !de->data) {
-		ret = -ENXIO;
-		goto done;
-	}
-
-	entry = (struct dgnc_proc_entry *) de->data;
-	if (!entry) {
-		ret = -ENXIO;
-		goto done;
-	}
-
-	down(&entry->excl_sem);
-
-	if (entry->excl_cnt) {
-		ret = -EBUSY;
-	} else {
-		entry->excl_cnt++;
-
-		handler = entry->open_handler;
-		if (handler) {
-			error = (*handler) (entry, OUTBOUND, file, NULL, NULL, NULL);
-			if (error) {
-				entry->excl_cnt--;
-				ret = error;
-			}
-		}
-	}
-
-	up(&entry->excl_sem);
-
-done:
-
-	return ret;
-}
-
-
-static int dgnc_gen_proc_close(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *de;
-	int (*handler) (struct dgnc_proc_entry *table, int dir, struct file *filp,
-		void *buffer, ssize_t *lenp, loff_t *ppos);
-	struct dgnc_proc_entry *entry;
-	int error = 0;
-
-	de = (struct proc_dir_entry *) PDE(file->f_dentry->d_inode);
-	if (!de || !de->data)
-		goto done;
-
-	entry = (struct dgnc_proc_entry *) de->data;
-	if (!entry)
-		goto done;
-
-	down(&entry->excl_sem);
-
-	if (entry->excl_cnt)
-		entry->excl_cnt = 0;
-
-
-	handler = entry->close_handler;
-	if (handler) {
-		error = (*handler) (entry, OUTBOUND, file, NULL, NULL, NULL);
-	}
-
-	up(&entry->excl_sem);
-
-done:
-	return 0;
-}
-
-
-static ssize_t dgnc_gen_proc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *de;
-	struct dgnc_proc_entry *entry;
-	int (*handler) (struct dgnc_proc_entry *table, int dir, struct file *filp,
-		char __user *buffer, ssize_t *lenp, loff_t *ppos2);
-	ssize_t res;
-	ssize_t error;
-
-	de = (struct proc_dir_entry*) PDE(file->f_dentry->d_inode);
-	if (!de || !de->data)
-		return -ENXIO; 
-
-	entry = (struct dgnc_proc_entry *) de->data;
-	if (!entry)
-		return -ENXIO;
-
-	/* Test for read permission */
-	if (dgnc_test_perm(entry->mode, 4))
-		return -EPERM;
-
-	res = count;
-
-	handler = entry->read_handler;
-	if (!handler)
-		return -ENXIO;
-
-	error = (*handler) (entry, OUTBOUND, file, buf, &res, ppos);
-	if (error)
-		return error;
-
-	return res;
-}
-
-
-static ssize_t	dgnc_gen_proc_write(struct file *file, const char __user *buf,
-				    size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *de;
-	struct dgnc_proc_entry *entry;
-	int (*handler) (struct dgnc_proc_entry *table, int dir, struct file *filp,
-		const char __user *buffer, ssize_t *lenp, loff_t *ppos2);
-	ssize_t res;   
-	ssize_t error;
-
-	de = (struct proc_dir_entry *) PDE(file->f_dentry->d_inode);
-	if (!de || !de->data)
-		return -ENXIO;
-
-	entry = (struct dgnc_proc_entry *) de->data;
-	if (!entry)
-		return -ENXIO;
-
-	/* Test for write permission */
-	if (dgnc_test_perm(entry->mode, 2))
-		return -EPERM;
-
-	res = count;
-
-	handler = entry->write_handler;
-	if (!handler)
-		return -ENXIO;
-
-	error = (*handler) (entry, INBOUND, file, buf, &res, ppos);
-	if (error)
-		return error; 
-
-	return res;
-}
-
-
-static int dgnc_proc_chk_perm(struct inode *inode, int op)
-{               
-	return dgnc_test_perm(inode->i_mode, op);
-}
-
-
-/*               
- *  Return what is (hopefully) useful information about the
- *  driver. 
- */
-static int dgnc_read_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-
-	DPR_PROC(("dgnc_proc_info\n"));
-
-	if (done) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	p += sprintf(p, "Driver:\t\t%s\n", DG_NAME);
-	p += sprintf(p, "\n");
-	p += sprintf(p, "Debug:\t\t0x%x\n", dgnc_debug);
-	p += sprintf(p, "Sysfs Support:\t0x1\n");
-	p += sprintf(p, "Rawreadok:\t0x%x\n", dgnc_rawreadok);
-	p += sprintf(p, "Max Boards:\t%d\n", MAXBOARDS);
-	p += sprintf(p, "Total Boards:\t%d\n", dgnc_NumBoards);
-	p += sprintf(p, "Poll rate:\t%dms\n", dgnc_poll_tick);
-	p += sprintf(p, "Poll counter:\t%ld\n", dgnc_poll_counter);
-	p += sprintf(p, "State:\t\t%s\n", dgnc_driver_state_text[dgnc_driver_state]);
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  When writing to the "info" entry point, I actually allow one
- *  to modify certain variables.  This may be a sleazy overload
- *  of this /proc entry, but I don't want:
- *
- *     a. to clutter /proc more than I have to
- *     b. to overload the "config" entry, which would be somewhat
- *        more natural
- *     c. necessarily advertise the fact this ability exists
- *
- *  The continued support of this feature has not yet been
- *  guaranteed.
- *
- *  Writing operates on a "state machine" principle.
- *
- *  State 0: waiting for a symbol to start.  Waiting for anything
- *           which isn't " ' = or whitespace.
- *  State 1: reading a symbol.  If the character is a space, move
- *           to state 2.  If =, move to state 3.  If " or ', move
- *           to state 0.
- *  State 2: Waiting for =... suck whitespace.  If anything other
- *           than whitespace, drop to state 0.
- *  State 3: Got =.  Suck whitespace waiting for value to start.
- *           If " or ', go to state 4 (and remember which quote it
- *           was).  Otherwise, go to state 5.
- *  State 4: Reading value, within quotes.  Everything is added to
- *           value up until the matching quote.  When you hit the
- *           matching quote, try to set the variable, then state 0.
- *  State 5: Reading value, outside quotes.  Everything not " ' =
- *           or whitespace goes in value.  Hitting one of the
- *           terminators tosses us back to state 0 after trying to
- *           set the variable.
- */
-typedef enum {
-	INFO_NONE, INFO_INT, INFO_CHAR, INFO_SHORT,
-	INFO_LONG, INFO_PTR, INFO_STRING, INFO_END
-} info_proc_var_val;
-
-static struct {
-	char              *name;
-	info_proc_var_val  type;
-	int                rw;       /* 0=readonly */
-	void              *val_ptr;
-} dgnc_info_vars[] = {
-	{ "rawreadok",   INFO_INT,    1, (void *) &dgnc_rawreadok },
-        { "pollrate",    INFO_INT,    1, (void *) &dgnc_poll_tick },
-	{ NULL, INFO_NONE, 0, NULL },
-	{ "debug",   INFO_LONG,   1, (void *) &dgnc_debug },
-	{ NULL, INFO_END, 0, NULL }
-};
-
-static void dgnc_set_info_var(char *name, char *val)
-{
-	int i;
-	unsigned long newval;
-	unsigned char charval;
-	unsigned short shortval;
-	unsigned int intval;
-
-	for (i = 0; dgnc_info_vars[i].type != INFO_END; i++) {
-		if (dgnc_info_vars[i].name)
-			if (!strcmp(name, dgnc_info_vars[i].name))
-				break;
-	}
-
-	if (dgnc_info_vars[i].type == INFO_END)
-		return;
-	if (dgnc_info_vars[i].rw == 0)
-		return;
-	if (dgnc_info_vars[i].val_ptr == NULL)
-		return;
-
-	newval = simple_strtoul(val, NULL, 0 ); 
-
-	switch (dgnc_info_vars[i].type) {
-	case INFO_CHAR:
-		charval = newval & 0xff;
-		APR(("Modifying %s (%lx) <= 0x%02x  (%d)\n",
-		           name, (long)(dgnc_info_vars[i].val_ptr ),
-		           charval, charval));
-		*(uchar *)(dgnc_info_vars[i].val_ptr) = charval;
-		break;
-	case INFO_SHORT:
-		shortval = newval & 0xffff;
-		APR(("Modifying %s (%lx) <= 0x%04x  (%d)\n",
-		           name, (long)(dgnc_info_vars[i].val_ptr),
-		           shortval, shortval));
-		*(ushort *)(dgnc_info_vars[i].val_ptr) = shortval;
-		break;
-	case INFO_INT:
-		intval = newval & 0xffffffff;
-		APR(("Modifying %s (%lx) <= 0x%08x  (%d)\n",
-		           name, (long)(dgnc_info_vars[i].val_ptr),
-		           intval, intval));
-		*(uint *)(dgnc_info_vars[i].val_ptr) = intval;
-		break;
-	case INFO_LONG:
-		APR(("Modifying %s (%lx) <= 0x%lx  (%ld)\n",
-		           name, (long)(dgnc_info_vars[i].val_ptr),
-		           newval, newval));
-		*(ulong *)(dgnc_info_vars[i].val_ptr) = newval;
-		break;
-	case INFO_PTR:
-	case INFO_STRING:
-	case INFO_END:
-	case INFO_NONE:
-	default:
-		break;
-	}
-}
-
-static int dgnc_write_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				const char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	static int state = 0;
-	#define MAXSYM 255
-	static int sympos, valpos;
-	static char sym[MAXSYM + 1];
-	static char val[MAXSYM + 1];
-	static int quotchar = 0;
-
-	int i;
-
-	long len;
-	#define INBUFLEN 256
-	char inbuf[INBUFLEN];
-
-	if (*ppos == 0) {
-		state = 0;
-		sympos = 0; sym[0] = 0;
-		valpos = 0; val[0] = 0;
-		quotchar = 0;
-	}
-
-	if ((!*lenp) || (dir != INBOUND)) {
-		*lenp = 0;
-		return 0;
-	}
-
-	len = *lenp;
-
-	if (len > INBUFLEN - 1)
-		len = INBUFLEN - 1;
-
-	if (copy_from_user(inbuf, buffer, len))
-		return -EFAULT;
-
-	inbuf[len] = 0;
-
-	for (i = 0; i < len; i++) {
-		unsigned char c = inbuf[i];
-
-		switch (state) {
-		case 0:
-			quotchar = sympos = valpos = sym[0] = val[0] = 0;
-			if (!isspace(c) && (c != '\"') &&
-			    (c != '\'') && (c != '=')) {
-				sym[sympos++] = c;
-				state = 1;
-				break;
-			}
-			break;
-		case 1:
-			if (isspace(c)) {
-				sym[sympos] = 0;
-				state = 2;
-				break;
-			}
-			if (c == '=') {
-				sym[sympos] = 0;
-				state = 3;
-				break;
-			}
-			if ((c == '\"' ) || ( c == '\'' )) {
-				state = 0;
-				break;
-			}
-			if (sympos < MAXSYM) sym[sympos++] = c;
-			break;
-		case 2:
-			if (isspace(c)) break;
-			if (c == '=') {
-				state = 3;
-				break;
-			}
-			if ((c != '\"') && (c != '\'')) {
-				quotchar = sympos = valpos = sym[0] = val[0] = 0;
-				sym[sympos++] = c;
-				state = 1;
-				break;
-			}
-			state = 0;
-			break;
-		case 3:
-			if (isspace(c)) break;
-			if (c == '=') {
-				state = 0;
-				break;
-			}
-			if ((c == '\"') || (c == '\'')) {
-				state = 4;
-				quotchar = c;
-				break;
-			}
-			val[valpos++] = c;
-			state = 5;
-			break;
-		case 4:
-			if (c == quotchar) {
-				val[valpos] = 0;
-				dgnc_set_info_var(sym, val);
-				state = 0;
-				break;
-			}
-			if (valpos < MAXSYM) val[valpos++] = c;
-			break;
-		case 5:
-			if (isspace(c) || (c == '\"') ||
-			    (c == '\'') || (c == '=')) {
-				val[valpos] = 0;
-				dgnc_set_info_var(sym, val);
-				state = 0;
-				break;
-			}
-			if (valpos < MAXSYM) val[valpos++] = c;
-			break;
-		default:
-			break;
-		}
-	}
-
-	*lenp = len;
-	*ppos += len;
-		
-	return len;
-}
-
-
-/*
- *  Return mknod information for the driver's devices.
- */                                             
-static int dgnc_read_mknod(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	int i = 0;
-
-	DPR_PROC(("dgnc_proc_info\n"));
-
-	if (done) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	DPR_PROC(("dgnc_proc_mknod\n"));
-
-	p += sprintf(p, "#\tCreate the management devices.\n");
-
-	for (i = 0; i < MAXMGMTDEVICES; i++) {
-		char tmp[100];
-		sprintf(tmp, "/dev/dg/dgnc/mgmt%d", i);
-		p += sprintf(p, "%s\t%d\t%d\t%d\n",
-			tmp, dgnc_Major, i, 1);
-	}
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*               
- *  Return what is (hopefully) useful information about the specific board.
- */
-static int dgnc_read_board_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct board_t	*brd;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	char *name;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	brd = (struct board_t *) table->data;
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	name = brd->name;
-
-	p += sprintf(p, "Board Name = %s\n", name);
-	if (brd->serial_num[0] == '\0')
-		p += sprintf(p, "Serial number = <UNKNOWN>\n");
-	else
-		p += sprintf(p, "Serial number = %s\n", brd->serial_num);
-
-	p += sprintf(p, "Board Type = %d\n", brd->type);
-	p += sprintf(p, "Number of Ports = %d\n", brd->nasync);
-
-	/*
-	 * report some things about the PCI bus that are important
-	 * to some applications
-	 */
-        p += sprintf(p, "Vendor ID = 0x%x\n", brd->vendor);
-        p += sprintf(p, "Device ID = 0x%x\n", brd->device);
-        p += sprintf(p, "Subvendor ID = 0x%x\n", brd->subvendor);
-        p += sprintf(p, "Subdevice ID = 0x%x\n", brd->subdevice);
-        p += sprintf(p, "Bus = %d\n", brd->pci_bus);
-        p += sprintf(p, "Slot = %d\n", brd->pci_slot);
-
-	/*
-	 * report the physical addresses assigned to us when we got
-	 * registered
-	 */	
-        p += sprintf(p, "Memory Base Address = 0x%lx\n", brd->membase);
-        p += sprintf(p, "Remapped Memory Base Address = 0x%p\n", brd->re_map_membase);
-
-        p += sprintf(p, "Current state of board = %s\n", dgnc_state_text[brd->state]);
-        p += sprintf(p, "Interrupt #: %d. Times interrupted: %ld\n",
-		brd->irq, brd->intr_count);
-
-        p += sprintf(p, "TX interrupts: %ld  RX interrupts: %ld\n",
-		brd->intr_tx, brd->intr_rx);
-        p += sprintf(p, "Modem interrupts: %ld\n", brd->intr_modem);
-
-        p += sprintf(p, "Majors allocated to board = TTY: %d PR: %d\n",
-		brd->SerialDriver.major, brd->PrintDriver.major);
-
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-
-static int dgnc_read_board_vpd(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct board_t	*brd;
-	static int done = 0;
-	static char buf[4096];
-	int i = 0, j = 0;
-	char *p = buf;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	brd = (struct board_t *) table->data;
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	p += sprintf(p, "\n      0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F          ASCII\n");
-
-	for (i = 0; i < 0x40 * 2; i++) {
-		j = i;
-		if (!(i % 16)) {
-			if (j > 0) {
-				p += sprintf(p, "    ");
-				for (j = i - 16; j < i; j++) {
-					if (0x20 <= brd->vpd[j] && brd->vpd[j] <= 0x7e)
-						p += sprintf(p, "%c", brd->vpd[j]);
-					else
-						p += sprintf(p, ".");
-				}
-				p += sprintf(p, "\n");
-			}
-			p += sprintf(p, "%04X ", i);
-		}
-		p += sprintf(p, "%02X ", brd->vpd[i]);
-	}
-	if (!(i % 16)) {
-		p += sprintf(p, "    ");
-		for (j = i - 16; j < i; j++) {
-			if (0x20 <= brd->vpd[j] && brd->vpd[j] <= 0x7e)
-				p += sprintf(p, "%c", brd->vpd[j]);
-			else
-				p += sprintf(p, ".");
-		}
-		p += sprintf(p, "\n");
-	}
-
-	p += sprintf(p, "\n");
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  Return what is (hopefully) useful stats about the specific board's ttys
- */
-static int dgnc_read_board_ttystats(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct board_t	*brd;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	int i = 0;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	brd = (struct board_t *) table->data;
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	/* Prepare the Header Labels */
-	p += sprintf(p, "%2s %10s %23s %10s %9s\n",
-		"Ch", "Chars Rx", "  Rx Par--Brk--Frm--Ovr", 
-		"Chars Tx", "XON XOFF");
-
-        for (i = 0; i < brd->nasync; i++) {
-
-		struct channel_t *ch = brd->channels[i];
-
-		p += sprintf(p, "%2d ", i);
-		p += sprintf(p, "%10ld ", ch->ch_rxcount);
-		p += sprintf(p, "    %4ld %4ld %4ld %4ld ", ch->ch_err_parity,
-			ch->ch_err_break, ch->ch_err_frame, ch->ch_err_overrun);
-		p += sprintf(p, "%10ld ", ch->ch_txcount);
-		p += sprintf(p, "%4ld %4ld ", ch->ch_xon_sends, ch->ch_xoff_sends);
-
-		p += sprintf(p, "\n");
-	}
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  Return what is (hopefully) useful stats about the specific board's tty intrs
- */
-static int dgnc_read_board_ttyintr(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct board_t	*brd;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	int i = 0;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	brd = (struct board_t *) table->data;
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	/* Prepare the Header Labels */
-	p += sprintf(p, "%2s     %14s  %14s  %14s\n",
-		"Ch", "TX interrupts", "RX interrupts", "Modem interrupts");
-
-        for (i = 0; i < brd->nasync; i++) {
-
-		struct channel_t *ch = brd->channels[i];
-
-		p += sprintf(p, "%2d ", i);
-
-	        p += sprintf(p, "    %14ld  %14ld    %14ld",
-			ch->ch_intr_tx, ch->ch_intr_rx, ch->ch_intr_modem);
-
-		p += sprintf(p, "\n");
-	}
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  Return what is (hopefully) useful flags about the specific board's ttys
- */
-static int dgnc_read_board_ttyflags(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct board_t	*brd;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	int i = 0;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	brd = (struct board_t *) table->data;
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	/* Prepare the Header Labels */
-	p += sprintf(p, "%2s %5s %5s %5s %5s %5s %10s  Line Status Flags\n",
-		"Ch", "CFlag", "IFlag", "OFlag", "LFlag", "DFlag", "Baud");
-
-        for (i = 0; i < brd->nasync; i++) {
-
-		struct channel_t *ch = brd->channels[i];
-
-		p += sprintf(p, "%2d ", i);
-		p += sprintf(p, "%5x ", ch->ch_c_cflag);
-		p += sprintf(p, "%5x ", ch->ch_c_iflag);
-		p += sprintf(p, "%5x ", ch->ch_c_oflag);
-		p += sprintf(p, "%5x ", ch->ch_c_lflag);
-		p += sprintf(p, "%5x ", ch->ch_digi.digi_flags);
-		p += sprintf(p, "%10d ", ch->ch_old_baud);
-
-		if (!ch->ch_open_count) {
-			p += sprintf(p, " -- -- -- -- -- -- --") ;
-		} else {
-			p += sprintf(p, " op %s %s %s %s %s %s",
-				(ch->ch_mostat & UART_MCR_RTS) ? "rs" : "--",
-				(ch->ch_mistat & UART_MSR_CTS) ? "cs" : "--",
-				(ch->ch_mostat & UART_MCR_DTR) ? "tr" : "--",
-				(ch->ch_mistat & UART_MSR_DSR) ? "mr" : "--",
-				(ch->ch_mistat & UART_MSR_DCD) ? "cd" : "--",
-				(ch->ch_mistat & UART_MSR_RI)  ? "ri" : "--");
-		}
-
-		p += sprintf(p, "\n");
-	}
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  Return mknod information for the board's devices.
- */                                             
-static int dgnc_read_board_mknod(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct board_t	*brd;
-	static int done = 0;
-	static char buf[4096];
-	char str[MAXTTYNAMELEN];
-	char *p = buf;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	brd = (struct board_t *) table->data;
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	/*
-	 * For each board, output the device information in
-	 * a handy table format...
-	 */
-	p += sprintf(p,	"# Create the TTY and PR devices\n");
-
-	/* TTY devices */
-	sprintf(str, "ttyn%d%%p", brd->boardnum + 1);
-	p += sprintf(p, "%s\t\t\t%d\t%d\t%d\n", str,
-		brd->dgnc_Serial_Major, 0, brd->maxports);
-
-	/* PR devices */
-	sprintf(str, "prn%d%%p", brd->boardnum + 1);
-	p += sprintf(p, "%s\t\t\t%d\t%d\t%d\n", str,
-		brd->dgnc_TransparentPrint_Major, 128, brd->maxports);
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  Return what is (hopefully) useful information about the specific channel.
- */
-static int dgnc_read_channel_info(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct channel_t *ch;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-
-	DPR_PROC(("dgnc_proc_info\n"));
-
-	ch = (struct channel_t *) table->data;
-
-	if (done || !ch || (ch->magic != DGNC_CHANNEL_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	p += sprintf(p, "Port number:\t\t%d\n", ch->ch_portnum);
-	p += sprintf(p, "\n");
-
-	/* Prepare the Header Labels */
-	p += sprintf(p, "%10s %23s %10s %9s\n",
-		"Chars Rx", "  Rx Par--Brk--Frm--Ovr",
-		"Chars Tx", "XON XOFF");
-	p += sprintf(p, "%10ld ", ch->ch_rxcount);
-	p += sprintf(p, "    %4ld %4ld %4ld %4ld ", ch->ch_err_parity,
-		ch->ch_err_break, ch->ch_err_frame, ch->ch_err_overrun);
-	p += sprintf(p, "%10ld ", ch->ch_txcount);  
-	p += sprintf(p, "%4ld %4ld ", ch->ch_xon_sends, ch->ch_xoff_sends);
-	p += sprintf(p, "\n\n");
-
-	/* Prepare the Header Labels */
-	p += sprintf(p, "%5s %5s %5s %5s %5s %10s  Line Status Flags\n",
-		"CFlag", "IFlag", "OFlag", "LFlag", "DFlag", "Baud");
-
-	p += sprintf(p, "%5x ", ch->ch_c_cflag);
-	p += sprintf(p, "%5x ", ch->ch_c_iflag);
-	p += sprintf(p, "%5x ", ch->ch_c_oflag);
-	p += sprintf(p, "%5x ", ch->ch_c_lflag);
-	p += sprintf(p, "%5x ", ch->ch_digi.digi_flags);
-	p += sprintf(p, "%10d ", ch->ch_old_baud);
-	if (!ch->ch_open_count) {
-		p += sprintf(p, " -- -- -- -- -- -- --") ;
-	} else {
-		p += sprintf(p, " op %s %s %s %s %s %s",
-			(ch->ch_mostat & UART_MCR_RTS) ? "rs" : "--",
-			(ch->ch_mistat & UART_MSR_CTS) ? "cs" : "--",
-			(ch->ch_mostat & UART_MCR_DTR) ? "tr" : "--",
-			(ch->ch_mistat & UART_MSR_DSR) ? "mr" : "--",
-			(ch->ch_mistat & UART_MSR_DCD) ? "cd" : "--",
-			(ch->ch_mistat & UART_MSR_RI)  ? "ri" : "--");
-	}
-	p += sprintf(p, "\n\n");
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf; 
-	done = 1;
-	return 0;
-}
-
-
-/*
- *  Return mknod information for the board's devices.
- */
-static int dgnc_read_channel_custom_ttyname(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct channel_t *ch;
-	struct board_t  *brd;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	int     cn;
-	int     bn;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	ch = (struct channel_t *) table->data;
-
-	if (done || !ch || (ch->magic != DGNC_CHANNEL_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	brd = ch->ch_bd;        
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	bn = brd->boardnum;
-	cn = ch->ch_portnum;
-
-	p += sprintf(p, "ttyn%d%c\n", bn + 1, 'a' + cn);
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf;
-	done = 1;
-	return 0;
-}
-
-
-
-
-/*
- *  Return mknod information for the board's devices.
- */
-static int dgnc_read_channel_custom_prname(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct channel_t *ch;
-	struct board_t  *brd;
-	static int done = 0;
-	static char buf[4096];
-	char *p = buf;
-	int     cn;
-	int     bn;
-
-	DPR_PROC(("dgnc_proc_brd_info\n"));
-
-	ch = (struct channel_t *) table->data;
-
-	if (done || !ch || (ch->magic != DGNC_CHANNEL_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	brd = ch->ch_bd;        
-
-	if (done || !brd || (brd->magic != DGNC_BOARD_MAGIC)) {
-		done = 0;
-		*lenp = 0;
-		return 0;
-	}
-
-	bn = brd->boardnum;
-	cn = ch->ch_portnum;
-
-	p += sprintf(p, "prn%d%c\n", bn + 1, 'a' + cn);
-
-	if (copy_to_user(buffer, buf, (p - (char *) buf)))
-		return -EFAULT;
-
-	*lenp = p - (char *) buf;
-	*ppos += p - (char *) buf;
-	done = 1;
-	return 0;
-}
-
-
-static int dgnc_open_channel_sniff(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				void *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct channel_t *ch;
-	ulong  lock_flags;
-
-	ch = (struct channel_t *) table->data;
-
-	if (!ch || (ch->magic != DGNC_CHANNEL_MAGIC))
-		return 0;
-
-	ch->ch_sniff_buf = dgnc_driver_kzmalloc(SNIFF_MAX, GFP_KERNEL);
-
-	DGNC_LOCK(ch->ch_lock, lock_flags);
-	ch->ch_sniff_flags |= SNIFF_OPEN;
-	DGNC_UNLOCK(ch->ch_lock, lock_flags);
-
-	return 0;
-}
-
-static int dgnc_close_channel_sniff(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				void *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct channel_t *ch;
-	ulong  lock_flags;
-
-	ch = (struct channel_t *) table->data;
-
-	if (!ch || (ch->magic != DGNC_CHANNEL_MAGIC))
-		return 0;
-
-	DGNC_LOCK(ch->ch_lock, lock_flags);
-	ch->ch_sniff_flags &= ~(SNIFF_OPEN);
-	kfree(ch->ch_sniff_buf);
-	DGNC_UNLOCK(ch->ch_lock, lock_flags);
-
-	return 0;
-}
-
-
-/*
- *    Copy data from the monitoring buffer to the user, freeing space
- *    in the monitoring buffer for more messages
- *
- */
-static int dgnc_read_channel_sniff(struct dgnc_proc_entry *table, int dir, struct file *filp,
-				char __user *buffer, ssize_t *lenp, loff_t *ppos)
-{
-	struct channel_t *ch;
-	int n;
-	int r;
-	int offset = 0;
-	int res = 0;
-	ssize_t rtn = 0;
-	ulong  lock_flags;
-
-	ch = (struct channel_t *) table->data;
-
-	if (!ch || (ch->magic != DGNC_CHANNEL_MAGIC)) {
-		rtn = -ENXIO;
-		goto done;
-	}
-
-	/*
-	 *  Wait for some data to appear in the buffer.
-	 */
-	DGNC_LOCK(ch->ch_lock, lock_flags);
-
-	for (;;) {
-		n = (ch->ch_sniff_in - ch->ch_sniff_out) & SNIFF_MASK;
-
-		if (n != 0)
-			break;
-
-		ch->ch_sniff_flags |= SNIFF_WAIT_DATA;
-
-		DGNC_UNLOCK(ch->ch_lock, lock_flags);
-
-		/*
-		 * Go to sleep waiting until the condition becomes true.
-		 */
-		rtn = wait_event_interruptible(ch->ch_sniff_wait,
-			((ch->ch_sniff_flags & SNIFF_WAIT_DATA) == 0));
-
-		if (rtn)
-			goto done;
-
-		DGNC_LOCK(ch->ch_lock, lock_flags);
-	}
-
-	/*
-	 *  Read whatever is there.
-	 */
-
-	if (n > *lenp)
-		n = *lenp;
-
-	res = n;
-
-	r = SNIFF_MAX - ch->ch_sniff_out;
-
-	if (r <= n) {
-		DGNC_UNLOCK(ch->ch_lock, lock_flags);
-		rtn = copy_to_user(buffer, ch->ch_sniff_buf + ch->ch_sniff_out, r);
-		if (rtn) {
-			rtn = -EFAULT;
-			goto done;
-		}
-
-		DGNC_LOCK(ch->ch_lock, lock_flags);
-
-		ch->ch_sniff_out = 0;
-		n -= r;
-		offset = r;
-	}
-
-	DGNC_UNLOCK(ch->ch_lock, lock_flags);
-	rtn = copy_to_user(buffer + offset, ch->ch_sniff_buf + ch->ch_sniff_out, n);
-	if (rtn) {
-		rtn = -EFAULT;
-		goto done;
-	}
-	DGNC_LOCK(ch->ch_lock, lock_flags);
-
-	ch->ch_sniff_out += n;
-	*ppos += res;
-	rtn = res;
-//	rtn = 0;
-
-	/*
-	 *  Wakeup any thread waiting for buffer space.
-	 */
-
-	if (ch->ch_sniff_flags & SNIFF_WAIT_SPACE) {
-		ch->ch_sniff_flags &= ~SNIFF_WAIT_SPACE;
-		wake_up_interruptible(&ch->ch_sniff_wait);
-	}
-
-	DGNC_UNLOCK(ch->ch_lock, lock_flags);
-
-done:
-	return rtn;
-}
-
-
-/*
- * Register the basic /proc/dgnc files that appear whenever
- * the driver is loaded.
- */
-void dgnc_proc_register_basic_prescan(void)
-{
-	/*
-	 *      Register /proc/dgnc
-	 */
-	ProcDGNC = proc_create("dgnc", (0700 | S_IFDIR), NULL, &dgnc_proc_file_ops);
-	dgnc_register_proc_table(dgnc_table, ProcDGNC);
-}
-
-
-/*
- * Register the basic /proc/dgnc files that appear whenever
- * the driver is loaded.
- */
-void dgnc_proc_register_basic_postscan(int board_num)
-{
-	int i, j;
-	char board[10];
-	sprintf(board, "%d", board_num);
-
-	/* Set proc board entry pointer */
-	dgnc_Board[board_num]->proc_entry_pointer = create_proc_entry(board, (0700 | S_IFDIR), ProcDGNC);
-
-	/* Create a new copy of the board_table... */
-	dgnc_Board[board_num]->dgnc_board_table = dgnc_driver_kzmalloc(sizeof(dgnc_board_table), 
-		GFP_KERNEL);
-
-	/* Now copy the default table into that memory */
-	memcpy(dgnc_Board[board_num]->dgnc_board_table, dgnc_board_table, sizeof(dgnc_board_table));
-
-	/* Initialize semaphores in each table slot */
-	for (i = 0; i < 999; i++) {
-		if (!dgnc_Board[board_num]->dgnc_board_table[i].magic) {
-			break;
-		}
-
-		init_MUTEX(&(dgnc_Board[board_num]->dgnc_board_table[i].excl_sem));
-		dgnc_Board[board_num]->dgnc_board_table[i].data = dgnc_Board[board_num];
-
-	}
-
-	/* Register board table into proc */
-	dgnc_register_proc_table(dgnc_Board[board_num]->dgnc_board_table, 
-		dgnc_Board[board_num]->proc_entry_pointer);
-
-	/*
-	 * Add new entries for each port.
-	 */
-	for (i = 0; i < dgnc_Board[board_num]->nasync; i++) {
-
-		char channel[10];
-		sprintf(channel, "%d", i);
-
-		/* Set proc channel entry pointer */
-		dgnc_Board[board_num]->channels[i]->proc_entry_pointer =
-			create_proc_entry(channel, (0700 | S_IFDIR), 
-			dgnc_Board[board_num]->proc_entry_pointer);
-
-		/* Create a new copy of the channel_table... */
-		dgnc_Board[board_num]->channels[i]->dgnc_channel_table =
-			dgnc_driver_kzmalloc(sizeof(dgnc_channel_table), GFP_KERNEL);
-
-		/* Now copy the default table into that memory */
-		memcpy(dgnc_Board[board_num]->channels[i]->dgnc_channel_table,
-			dgnc_channel_table, sizeof(dgnc_channel_table));
-
-		/* Initialize semaphores in each table slot */
-		for (j = 0; j < 999; j++) {
-			if (!dgnc_Board[board_num]->channels[i]->dgnc_channel_table[j].magic) {
-				break;
-			}
-
-			init_MUTEX(&(dgnc_Board[board_num]->channels[i]->dgnc_channel_table[j].excl_sem));
-			dgnc_Board[board_num]->channels[i]->dgnc_channel_table[j].data = 
-				dgnc_Board[board_num]->channels[i];
-		}
-
-		/* Register channel table into proc */
-		dgnc_register_proc_table(dgnc_Board[board_num]->channels[i]->dgnc_channel_table, 
-			dgnc_Board[board_num]->channels[i]->proc_entry_pointer);
-	}
-}
-
-
-static void dgnc_remove_proc_entry(struct proc_dir_entry *pde)
-{ 
-	if (!pde) {
-		DPR_PROC(("dgnc_remove_proc_entry... NULL entry... not removing...\n"));
-		return;
-	}
-
-	remove_proc_entry(pde->name, pde->parent);
-}
-
-
-void dgnc_proc_unregister_all(void)
-{
-	int i = 0, j = 0;
-
-	/* Walk each board, blowing away their proc entries... */
-	for (i = 0; i < dgnc_NumBoards; i++) {
-
-		/* Walk each channel, blowing away their proc entries... */
-		for (j = 0; j < dgnc_Board[i]->nasync; j++) {
-
-			dgnc_unregister_proc_table(dgnc_Board[i]->channels[j]->dgnc_channel_table, 
-				dgnc_Board[i]->channels[j]->proc_entry_pointer);
-			dgnc_remove_proc_entry(dgnc_Board[i]->channels[j]->proc_entry_pointer);
-			kfree(dgnc_Board[i]->channels[j]->dgnc_channel_table);
-		}
-
-		dgnc_unregister_proc_table(dgnc_Board[i]->dgnc_board_table, 
-			dgnc_Board[i]->proc_entry_pointer);
-		dgnc_remove_proc_entry(dgnc_Board[i]->proc_entry_pointer);
-		kfree(dgnc_Board[i]->dgnc_board_table);
-	}
-
-	/* Blow away the top proc entry */
-	dgnc_unregister_proc_table(dgnc_table, ProcDGNC);
-	dgnc_remove_proc_entry(ProcDGNC);
-}
-- 
1.8.1.2




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