| /* $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)); | 
 | 	} | 
 | } |