drivers/isdn/hardware/eicon/divasproc.c - maze/linux - Git at Google

 /* $Id: divasproc.c,v 1.19.4.3 2005/01/31 12:22:20 armin Exp $
  *
  * Low level driver for Eicon DIVA Server ISDN cards.
  * /proc functions
  *
  * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
  * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
  *
  * This software may be used and distributed according to the terms
  * of the GNU General Public License, incorporated herein by reference.
  */

 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/poll.h>
 #include <linux/proc_fs.h>
 #include <linux/list.h>
 #include <asm/uaccess.h>

 #include "platform.h"
 #include "debuglib.h"
 #undef ID_MASK
 #undef N_DATA
 #include "pc.h"
 #include "di_defs.h"
 #include "divasync.h"
 #include "di.h"
 #include "io.h"
 #include "xdi_msg.h"
 #include "xdi_adapter.h"
 #include "diva.h"
 #include "diva_pci.h"


 extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
 extern void divas_get_version(char *);
 extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);

 /*********************************************************
  ** Functions for /proc interface / File operations
  *********************************************************/

 static char *divas_proc_name = "divas";
 static char *adapter_dir_name = "adapter";
 static char *info_proc_name = "info";
 static char *grp_opt_proc_name = "group_optimization";
 static char *d_l1_down_proc_name = "dynamic_l1_down";

 /*
 ** "divas" entry
 */

 extern struct proc_dir_entry *proc_net_eicon;
 static struct proc_dir_entry *divas_proc_entry = NULL;

 static ssize_t
 divas_read(struct file *file, char __user *buf, size_t count, loff_t * off)
 {
 	int len = 0;
 	int cadapter;
 	char tmpbuf[80];
 	char tmpser[16];

 	if (*off)
 		return 0;

 	divas_get_version(tmpbuf);
 	if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
 		return -EFAULT;
 	len += strlen(tmpbuf);

 	for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
 		if (IoAdapters[cadapter]) {
 			diva_get_vserial_number(IoAdapters[cadapter],
 						tmpser);
 			sprintf(tmpbuf,
 				"%2d: %-30s Serial:%-10s IRQ:%2d\n",
 				cadapter + 1,
 				IoAdapters[cadapter]->Properties.Name,
 				tmpser,
 				IoAdapters[cadapter]->irq_info.irq_nr);
 			if ((strlen(tmpbuf) + len) > count)
 				break;
 			if (copy_to_user
 			    (buf + len, &tmpbuf,
 			     strlen(tmpbuf))) return -EFAULT;
 			len += strlen(tmpbuf);
 		}
 	}

 	*off += len;
 	return (len);
 }

 static ssize_t
 divas_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
 {
 	return (-ENODEV);
 }

 static unsigned int divas_poll(struct file *file, poll_table * wait)
 {
 	return (POLLERR);
 }

 static int divas_open(struct inode *inode, struct file *file)
 {
 	return nonseekable_open(inode, file);
 }

 static int divas_close(struct inode *inode, struct file *file)
 {
 	return (0);
 }

 static const struct file_operations divas_fops = {
 	.owner   = THIS_MODULE,
 	.llseek  = no_llseek,
 	.read    = divas_read,
 	.write   = divas_write,
 	.poll    = divas_poll,
 	.open    = divas_open,
 	.release = divas_close
 };

 int create_divas_proc(void)
 {
 	divas_proc_entry = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
 					proc_net_eicon, &divas_fops);
 	if (!divas_proc_entry)
 		return (0);

 	return (1);
 }

 void remove_divas_proc(void)
 {
 	if (divas_proc_entry) {
 		remove_proc_entry(divas_proc_name, proc_net_eicon);
 		divas_proc_entry = NULL;
 	}
 }

 /*
 ** write group_optimization
 */
 static int
 write_grp_opt(struct file *file, const char __user *buffer, unsigned long count,
 	      void *data)
 {
 	diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

 	if ((count == 1) || (count == 2)) {
 		char c;
 		if (get_user(c, buffer))
 			return -EFAULT;
 		switch (c) {
 		case '0':
 			IoAdapter->capi_cfg.cfg_1 &=
 			    ~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
 			break;
 		case '1':
 			IoAdapter->capi_cfg.cfg_1 |=
 			    DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
 			break;
 		default:
 			return (-EINVAL);
 		}
 		return (count);
 	}
 	return (-EINVAL);
 }

 /*
 ** write dynamic_l1_down
 */
 static int
 write_d_l1_down(struct file *file, const char __user *buffer, unsigned long count,
 		void *data)
 {
 	diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

 	if ((count == 1) || (count == 2)) {
 		char c;
 		if (get_user(c, buffer))
 			return -EFAULT;
 		switch (c) {
 		case '0':
 			IoAdapter->capi_cfg.cfg_1 &=
 			    ~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
 			break;
 		case '1':
 			IoAdapter->capi_cfg.cfg_1 |=
 			    DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
 			break;
 		default:
 			return (-EINVAL);
 		}
 		return (count);
 	}
 	return (-EINVAL);
 }


 /*
 ** read dynamic_l1_down
 */
 static int
 read_d_l1_down(char *page, char **start, off_t off, int count, int *eof,
 	       void *data)
 {
 	int len = 0;
 	diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

 	len += sprintf(page + len, "%s\n",
 		       (IoAdapter->capi_cfg.
 			cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
 		       "0");

 	if (off + count >= len)
 		*eof = 1;
 	if (len < off)
 		return 0;
 	*start = page + off;
 	return ((count < len - off) ? count : len - off);
 }

 /*
 ** read group_optimization
 */
 static int
 read_grp_opt(char *page, char **start, off_t off, int count, int *eof,
 	     void *data)
 {
 	int len = 0;
 	diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

 	len += sprintf(page + len, "%s\n",
 		       (IoAdapter->capi_cfg.
 			cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
 		       ? "1" : "0");

 	if (off + count >= len)
 		*eof = 1;
 	if (len < off)
 		return 0;
 	*start = page + off;
 	return ((count < len - off) ? count : len - off);
 }

 /*
 ** info write
 */
 static int
 info_write(struct file *file, const char __user *buffer, unsigned long count,
 	   void *data)
 {
 	diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 	char c[4];

 	if (count <= 4)
 		return -EINVAL;

 	if (copy_from_user(c, buffer, 4))
 		return -EFAULT;

 	/* this is for test purposes only */
 	if (!memcmp(c, "trap", 4)) {
 		(*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
 		return (count);
 	}
 	return (-EINVAL);
 }

 /*
 ** info read
 */
 static int
 info_read(char *page, char **start, off_t off, int count, int *eof,
 	  void *data)
 {
 	int i = 0;
 	int len = 0;
 	char *p;
 	char tmpser[16];
 	diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

 	len +=
 	    sprintf(page + len, "Name        : %s\n",
 		    IoAdapter->Properties.Name);
 	len += sprintf(page + len, "DSP state   : %08x\n", a->dsp_mask);
 	len += sprintf(page + len, "Channels    : %02d\n",
 		       IoAdapter->Properties.Channels);
 	len += sprintf(page + len, "E. max/used : %03d/%03d\n",
 		       IoAdapter->e_max, IoAdapter->e_count);
 	diva_get_vserial_number(IoAdapter, tmpser);
 	len += sprintf(page + len, "Serial      : %s\n", tmpser);
 	len +=
 	    sprintf(page + len, "IRQ         : %d\n",
 		    IoAdapter->irq_info.irq_nr);
 	len += sprintf(page + len, "CardIndex   : %d\n", a->CardIndex);
 	len += sprintf(page + len, "CardOrdinal : %d\n", a->CardOrdinal);
 	len += sprintf(page + len, "Controller  : %d\n", a->controller);
 	len += sprintf(page + len, "Bus-Type    : %s\n",
 		       (a->Bus ==
 			DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
 	len += sprintf(page + len, "Port-Name   : %s\n", a->port_name);
 	if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
 		len +=
 		    sprintf(page + len, "PCI-bus     : %d\n",
 			    a->resources.pci.bus);
 		len +=
 		    sprintf(page + len, "PCI-func    : %d\n",
 			    a->resources.pci.func);
 		for (i = 0; i < 8; i++) {
 			if (a->resources.pci.bar[i]) {
 				len +=
 				    sprintf(page + len,
 					    "Mem / I/O %d : 0x%x / mapped : 0x%lx",
 					    i, a->resources.pci.bar[i],
 					    (unsigned long) a->resources.
 					    pci.addr[i]);
 				if (a->resources.pci.length[i]) {
 					len +=
 					    sprintf(page + len,
 						    " / length : %d",
 						    a->resources.pci.
 						    length[i]);
 				}
 				len += sprintf(page + len, "\n");
 			}
 		}
 	}
 	if ((!a->xdi_adapter.port) &&
 	    ((!a->xdi_adapter.ram) ||
 	    (!a->xdi_adapter.reset)
 	     || (!a->xdi_adapter.cfg))) {
 		if (!IoAdapter->irq_info.irq_nr) {
 			p = "slave";
 		} else {
 			p = "out of service";
 		}
 	} else if (a->xdi_adapter.trapped) {
 		p = "trapped";
 	} else if (a->xdi_adapter.Initialized) {
 		p = "active";
 	} else {
 		p = "ready";
 	}
 	len += sprintf(page + len, "State       : %s\n", p);

 	if (off + count >= len)
 		*eof = 1;
 	if (len < off)
 		return 0;
 	*start = page + off;
 	return ((count < len - off) ? count : len - off);
 }

 /*
 ** adapter proc init/de-init
 */

 /* --------------------------------------------------------------------------
     Create adapter directory and files in proc file system
    -------------------------------------------------------------------------- */
 int create_adapter_proc(diva_os_xdi_adapter_t * a)
 {
 	struct proc_dir_entry *de, *pe;
 	char tmp[16];

 	sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
 	if (!(de = proc_mkdir(tmp, proc_net_eicon)))
 		return (0);
 	a->proc_adapter_dir = (void *) de;

 	if (!(pe =
 	     create_proc_entry(info_proc_name, S_IFREG | S_IRUGO | S_IWUSR, de)))
 		return (0);
 	a->proc_info = (void *) pe;
 	pe->write_proc = info_write;
 	pe->read_proc = info_read;
 	pe->data = a;

 	if ((pe = create_proc_entry(grp_opt_proc_name,
 			       S_IFREG | S_IRUGO | S_IWUSR, de))) {
 		a->proc_grp_opt = (void *) pe;
 		pe->write_proc = write_grp_opt;
 		pe->read_proc = read_grp_opt;
 		pe->data = a;
 	}
 	if ((pe = create_proc_entry(d_l1_down_proc_name,
 			       S_IFREG | S_IRUGO | S_IWUSR, de))) {
 		a->proc_d_l1_down = (void *) pe;
 		pe->write_proc = write_d_l1_down;
 		pe->read_proc = read_d_l1_down;
 		pe->data = a;
 	}

 	DBG_TRC(("proc entry %s created", tmp));

 	return (1);
 }

 /* --------------------------------------------------------------------------
     Remove adapter directory and files in proc file system
    -------------------------------------------------------------------------- */
 void remove_adapter_proc(diva_os_xdi_adapter_t * a)
 {
 	char tmp[16];

 	if (a->proc_adapter_dir) {
 		if (a->proc_d_l1_down) {
 			remove_proc_entry(d_l1_down_proc_name,
 					  (struct proc_dir_entry *) a->proc_adapter_dir);
 		}
 		if (a->proc_grp_opt) {
 			remove_proc_entry(grp_opt_proc_name,
 					  (struct proc_dir_entry *) a->proc_adapter_dir);
 		}
 		if (a->proc_info) {
 			remove_proc_entry(info_proc_name,
 					  (struct proc_dir_entry *) a->proc_adapter_dir);
 		}
 		sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
 		remove_proc_entry(tmp, proc_net_eicon);
 		DBG_TRC(("proc entry %s%d removed", adapter_dir_name,
 			 a->controller));
 	}
 }
	/* $Id: divasproc.c,v 1.19.4.3 2005/01/31 12:22:20 armin Exp $
	*
	* Low level driver for Eicon DIVA Server ISDN cards.
	* /proc functions
	*
	* Copyright 2000-2003 by Armin Schindler (mac@melware.de)
	* Copyright 2000-2003 Cytronics & Melware (info@melware.de)
	*
	* This software may be used and distributed according to the terms
	* of the GNU General Public License, incorporated herein by reference.
	*/

	#include <linux/module.h>
	#include <linux/kernel.h>
	#include <linux/poll.h>
	#include <linux/proc_fs.h>
	#include <linux/list.h>
	#include <asm/uaccess.h>

	#include "platform.h"
	#include "debuglib.h"
	#undef ID_MASK
	#undef N_DATA
	#include "pc.h"
	#include "di_defs.h"
	#include "divasync.h"
	#include "di.h"
	#include "io.h"
	#include "xdi_msg.h"
	#include "xdi_adapter.h"
	#include "diva.h"
	#include "diva_pci.h"


	extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
	extern void divas_get_version(char *);
	extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);

	/*********************************************************
	** Functions for /proc interface / File operations
	*********************************************************/

	static char *divas_proc_name = "divas";
	static char *adapter_dir_name = "adapter";
	static char *info_proc_name = "info";
	static char *grp_opt_proc_name = "group_optimization";
	static char *d_l1_down_proc_name = "dynamic_l1_down";

	/*
	** "divas" entry
	*/

	extern struct proc_dir_entry *proc_net_eicon;
	static struct proc_dir_entry *divas_proc_entry = NULL;

	static ssize_t
	divas_read(struct file file, char __user buf, size_t count, loff_t * off)
	{
	int len = 0;
	int cadapter;
	char tmpbuf[80];
	char tmpser[16];

	if (*off)
	return 0;

	divas_get_version(tmpbuf);
	if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
	return -EFAULT;
	len += strlen(tmpbuf);

	for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
	if (IoAdapters[cadapter]) {
	diva_get_vserial_number(IoAdapters[cadapter],
	tmpser);
	sprintf(tmpbuf,
	"%2d: %-30s Serial:%-10s IRQ:%2d\n",
	cadapter + 1,
	IoAdapters[cadapter]->Properties.Name,
	tmpser,
	IoAdapters[cadapter]->irq_info.irq_nr);
	if ((strlen(tmpbuf) + len) > count)
	break;
	if (copy_to_user
	(buf + len, &tmpbuf,
	strlen(tmpbuf))) return -EFAULT;
	len += strlen(tmpbuf);
	}
	}

	*off += len;
	return (len);
	}

	static ssize_t
	divas_write(struct file file, const char __user buf, size_t count, loff_t * off)
	{
	return (-ENODEV);
	}

	static unsigned int divas_poll(struct file file, poll_table wait)
	{
	return (POLLERR);
	}

	static int divas_open(struct inode inode, struct file file)
	{
	return nonseekable_open(inode, file);
	}

	static int divas_close(struct inode inode, struct file file)
	{
	return (0);
	}

	static const struct file_operations divas_fops = {
	.owner = THIS_MODULE,
	.llseek = no_llseek,
	.read = divas_read,
	.write = divas_write,
	.poll = divas_poll,
	.open = divas_open,
	.release = divas_close
	};

	int create_divas_proc(void)
	{
	divas_proc_entry = proc_create(divas_proc_name, S_IFREG \| S_IRUGO,
	proc_net_eicon, &divas_fops);
	if (!divas_proc_entry)
	return (0);

	return (1);
	}

	void remove_divas_proc(void)
	{
	if (divas_proc_entry) {
	remove_proc_entry(divas_proc_name, proc_net_eicon);
	divas_proc_entry = NULL;
	}
	}

	/*
	** write group_optimization
	*/
	static int
	write_grp_opt(struct file file, const char __user buffer, unsigned long count,
	void *data)
	{
	diva_os_xdi_adapter_t a = (diva_os_xdi_adapter_t ) data;
	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

	if ((count == 1) \|\| (count == 2)) {
	char c;
	if (get_user(c, buffer))
	return -EFAULT;
	switch (c) {
	case '0':
	IoAdapter->capi_cfg.cfg_1 &=
	~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
	break;
	case '1':
	IoAdapter->capi_cfg.cfg_1 \|=
	DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
	break;
	default:
	return (-EINVAL);
	}
	return (count);
	}
	return (-EINVAL);
	}

	/*
	** write dynamic_l1_down
	*/
	static int
	write_d_l1_down(struct file file, const char __user buffer, unsigned long count,
	void *data)
	{
	diva_os_xdi_adapter_t a = (diva_os_xdi_adapter_t ) data;
	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

	if ((count == 1) \|\| (count == 2)) {
	char c;
	if (get_user(c, buffer))
	return -EFAULT;
	switch (c) {
	case '0':
	IoAdapter->capi_cfg.cfg_1 &=
	~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
	break;
	case '1':
	IoAdapter->capi_cfg.cfg_1 \|=
	DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
	break;
	default:
	return (-EINVAL);
	}
	return (count);
	}
	return (-EINVAL);
	}


	/*
	** read dynamic_l1_down
	*/
	static int
	read_d_l1_down(char page, char start, off_t off, int count, int eof,
	void *data)
	{
	int len = 0;
	diva_os_xdi_adapter_t a = (diva_os_xdi_adapter_t ) data;
	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

	len += sprintf(page + len, "%s\n",
	(IoAdapter->capi_cfg.
	cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
	"0");

	if (off + count >= len)
	*eof = 1;
	if (len < off)
	return 0;
	*start = page + off;
	return ((count < len - off) ? count : len - off);
	}

	/*
	** read group_optimization
	*/
	static int
	read_grp_opt(char page, char start, off_t off, int count, int eof,
	void *data)
	{
	int len = 0;
	diva_os_xdi_adapter_t a = (diva_os_xdi_adapter_t ) data;
	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

	len += sprintf(page + len, "%s\n",
	(IoAdapter->capi_cfg.
	cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
	? "1" : "0");

	if (off + count >= len)
	*eof = 1;
	if (len < off)
	return 0;
	*start = page + off;
	return ((count < len - off) ? count : len - off);
	}

	/*
	** info write
	*/
	static int
	info_write(struct file file, const char __user buffer, unsigned long count,
	void *data)
	{
	diva_os_xdi_adapter_t a = (diva_os_xdi_adapter_t ) data;
	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
	char c[4];

	if (count <= 4)
	return -EINVAL;

	if (copy_from_user(c, buffer, 4))
	return -EFAULT;

	/* this is for test purposes only */
	if (!memcmp(c, "trap", 4)) {
	(*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
	return (count);
	}
	return (-EINVAL);
	}

	/*
	** info read
	*/
	static int
	info_read(char page, char start, off_t off, int count, int eof,
	void *data)
	{
	int i = 0;
	int len = 0;
	char *p;
	char tmpser[16];
	diva_os_xdi_adapter_t a = (diva_os_xdi_adapter_t ) data;
	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];

	len +=
	sprintf(page + len, "Name : %s\n",
	IoAdapter->Properties.Name);
	len += sprintf(page + len, "DSP state : %08x\n", a->dsp_mask);
	len += sprintf(page + len, "Channels : %02d\n",
	IoAdapter->Properties.Channels);
	len += sprintf(page + len, "E. max/used : %03d/%03d\n",
	IoAdapter->e_max, IoAdapter->e_count);
	diva_get_vserial_number(IoAdapter, tmpser);
	len += sprintf(page + len, "Serial : %s\n", tmpser);
	len +=
	sprintf(page + len, "IRQ : %d\n",
	IoAdapter->irq_info.irq_nr);
	len += sprintf(page + len, "CardIndex : %d\n", a->CardIndex);
	len += sprintf(page + len, "CardOrdinal : %d\n", a->CardOrdinal);
	len += sprintf(page + len, "Controller : %d\n", a->controller);
	len += sprintf(page + len, "Bus-Type : %s\n",
	(a->Bus ==
	DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
	len += sprintf(page + len, "Port-Name : %s\n", a->port_name);
	if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
	len +=
	sprintf(page + len, "PCI-bus : %d\n",
	a->resources.pci.bus);
	len +=
	sprintf(page + len, "PCI-func : %d\n",
	a->resources.pci.func);
	for (i = 0; i < 8; i++) {
	if (a->resources.pci.bar[i]) {
	len +=
	sprintf(page + len,
	"Mem / I/O %d : 0x%x / mapped : 0x%lx",
	i, a->resources.pci.bar[i],
	(unsigned long) a->resources.
	pci.addr[i]);
	if (a->resources.pci.length[i]) {
	len +=
	sprintf(page + len,
	" / length : %d",
	a->resources.pci.
	length[i]);
	}
	len += sprintf(page + len, "\n");
	}
	}
	}
	if ((!a->xdi_adapter.port) &&
	((!a->xdi_adapter.ram) \|\|
	(!a->xdi_adapter.reset)
	\|\| (!a->xdi_adapter.cfg))) {
	if (!IoAdapter->irq_info.irq_nr) {
	p = "slave";
	} else {
	p = "out of service";
	}
	} else if (a->xdi_adapter.trapped) {
	p = "trapped";
	} else if (a->xdi_adapter.Initialized) {
	p = "active";
	} else {
	p = "ready";
	}
	len += sprintf(page + len, "State : %s\n", p);

	if (off + count >= len)
	*eof = 1;
	if (len < off)
	return 0;
	*start = page + off;
	return ((count < len - off) ? count : len - off);
	}

	/*
	** adapter proc init/de-init
	*/

	/* --------------------------------------------------------------------------
	Create adapter directory and files in proc file system
	-------------------------------------------------------------------------- */
	int create_adapter_proc(diva_os_xdi_adapter_t * a)
	{
	struct proc_dir_entry de, pe;
	char tmp[16];

	sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
	if (!(de = proc_mkdir(tmp, proc_net_eicon)))
	return (0);
	a->proc_adapter_dir = (void *) de;

	if (!(pe =
	create_proc_entry(info_proc_name, S_IFREG \| S_IRUGO \| S_IWUSR, de)))
	return (0);
	a->proc_info = (void *) pe;
	pe->write_proc = info_write;
	pe->read_proc = info_read;
	pe->data = a;

	if ((pe = create_proc_entry(grp_opt_proc_name,
	S_IFREG \| S_IRUGO \| S_IWUSR, de))) {
	a->proc_grp_opt = (void *) pe;
	pe->write_proc = write_grp_opt;
	pe->read_proc = read_grp_opt;
	pe->data = a;
	}
	if ((pe = create_proc_entry(d_l1_down_proc_name,
	S_IFREG \| S_IRUGO \| S_IWUSR, de))) {
	a->proc_d_l1_down = (void *) pe;
	pe->write_proc = write_d_l1_down;
	pe->read_proc = read_d_l1_down;
	pe->data = a;
	}

	DBG_TRC(("proc entry %s created", tmp));

	return (1);
	}

	/* --------------------------------------------------------------------------
	Remove adapter directory and files in proc file system
	-------------------------------------------------------------------------- */
	void remove_adapter_proc(diva_os_xdi_adapter_t * a)
	{
	char tmp[16];

	if (a->proc_adapter_dir) {
	if (a->proc_d_l1_down) {
	remove_proc_entry(d_l1_down_proc_name,
	(struct proc_dir_entry *) a->proc_adapter_dir);
	}
	if (a->proc_grp_opt) {
	remove_proc_entry(grp_opt_proc_name,
	(struct proc_dir_entry *) a->proc_adapter_dir);
	}
	if (a->proc_info) {
	remove_proc_entry(info_proc_name,
	(struct proc_dir_entry *) a->proc_adapter_dir);
	}
	sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
	remove_proc_entry(tmp, proc_net_eicon);
	DBG_TRC(("proc entry %s%d removed", adapter_dir_name,
	a->controller));
	}
	}