|  | /* $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 = create_proc_entry(divas_proc_name, | 
|  | S_IFREG | S_IRUGO, | 
|  | proc_net_eicon); | 
|  | if (!divas_proc_entry) | 
|  | return (0); | 
|  |  | 
|  | divas_proc_entry->proc_fops = &divas_fops; | 
|  | divas_proc_entry->owner = THIS_MODULE; | 
|  |  | 
|  | 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)); | 
|  | } | 
|  | } |