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path: root/drivers/isdn/hardware/eicon/mntfunc.c
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Diffstat (limited to 'drivers/isdn/hardware/eicon/mntfunc.c')
-rw-r--r--drivers/isdn/hardware/eicon/mntfunc.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/drivers/isdn/hardware/eicon/mntfunc.c b/drivers/isdn/hardware/eicon/mntfunc.c
deleted file mode 100644
index 1cd9affb6058..000000000000
--- a/drivers/isdn/hardware/eicon/mntfunc.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/* $Id: mntfunc.c,v 1.19.6.4 2005/01/31 12:22:20 armin Exp $
- *
- * Driver for Eicon DIVA Server ISDN cards.
- * Maint module
- *
- * 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 "platform.h"
-#include "di_defs.h"
-#include "divasync.h"
-#include "debug_if.h"
-
-extern char *DRIVERRELEASE_MNT;
-
-#define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR)
-#define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG)
-
-extern void DIVA_DIDD_Read(void *, int);
-
-static dword notify_handle;
-static DESCRIPTOR DAdapter;
-static DESCRIPTOR MAdapter;
-static DESCRIPTOR MaintDescriptor =
-{ IDI_DIMAINT, 0, 0, (IDI_CALL) diva_maint_prtComp };
-
-extern int diva_os_copy_to_user(void *os_handle, void __user *dst,
- const void *src, int length);
-extern int diva_os_copy_from_user(void *os_handle, void *dst,
- const void __user *src, int length);
-
-static void no_printf(unsigned char *x, ...)
-{
- /* dummy debug function */
-}
-
-#include "debuglib.c"
-
-/*
- * DIDD callback function
- */
-static void *didd_callback(void *context, DESCRIPTOR *adapter,
- int removal)
-{
- if (adapter->type == IDI_DADAPTER) {
- DBG_ERR(("cb: Change in DAdapter ? Oops ?."));
- } else if (adapter->type == IDI_DIMAINT) {
- if (removal) {
- DbgDeregister();
- memset(&MAdapter, 0, sizeof(MAdapter));
- dprintf = no_printf;
- } else {
- memcpy(&MAdapter, adapter, sizeof(MAdapter));
- dprintf = (DIVA_DI_PRINTF) MAdapter.request;
- DbgRegister("MAINT", DRIVERRELEASE_MNT, DBG_DEFAULT);
- }
- } else if ((adapter->type > 0) && (adapter->type < 16)) {
- if (removal) {
- diva_mnt_remove_xdi_adapter(adapter);
- } else {
- diva_mnt_add_xdi_adapter(adapter);
- }
- }
- return (NULL);
-}
-
-/*
- * connect to didd
- */
-static int __init connect_didd(void)
-{
- int x = 0;
- int dadapter = 0;
- IDI_SYNC_REQ req;
- DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS];
-
- DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table));
-
- for (x = 0; x < MAX_DESCRIPTORS; x++) {
- if (DIDD_Table[x].type == IDI_DADAPTER) { /* DADAPTER found */
- dadapter = 1;
- memcpy(&DAdapter, &DIDD_Table[x], sizeof(DAdapter));
- req.didd_notify.e.Req = 0;
- req.didd_notify.e.Rc =
- IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY;
- req.didd_notify.info.callback = (void *)didd_callback;
- req.didd_notify.info.context = NULL;
- DAdapter.request((ENTITY *)&req);
- if (req.didd_notify.e.Rc != 0xff)
- return (0);
- notify_handle = req.didd_notify.info.handle;
- /* Register MAINT (me) */
- req.didd_add_adapter.e.Req = 0;
- req.didd_add_adapter.e.Rc =
- IDI_SYNC_REQ_DIDD_ADD_ADAPTER;
- req.didd_add_adapter.info.descriptor =
- (void *) &MaintDescriptor;
- DAdapter.request((ENTITY *)&req);
- if (req.didd_add_adapter.e.Rc != 0xff)
- return (0);
- } else if ((DIDD_Table[x].type > 0)
- && (DIDD_Table[x].type < 16)) {
- diva_mnt_add_xdi_adapter(&DIDD_Table[x]);
- }
- }
- return (dadapter);
-}
-
-/*
- * disconnect from didd
- */
-static void __exit disconnect_didd(void)
-{
- IDI_SYNC_REQ req;
-
- req.didd_notify.e.Req = 0;
- req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY;
- req.didd_notify.info.handle = notify_handle;
- DAdapter.request((ENTITY *)&req);
-
- req.didd_remove_adapter.e.Req = 0;
- req.didd_remove_adapter.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER;
- req.didd_remove_adapter.info.p_request =
- (IDI_CALL) MaintDescriptor.request;
- DAdapter.request((ENTITY *)&req);
-}
-
-/*
- * read/write maint
- */
-int maint_read_write(void __user *buf, int count)
-{
- byte data[128];
- dword cmd, id, mask;
- int ret = 0;
-
- if (count < (3 * sizeof(dword)))
- return (-EFAULT);
-
- if (diva_os_copy_from_user(NULL, (void *) &data[0],
- buf, 3 * sizeof(dword))) {
- return (-EFAULT);
- }
-
- cmd = *(dword *)&data[0]; /* command */
- id = *(dword *)&data[4]; /* driver id */
- mask = *(dword *)&data[8]; /* mask or size */
-
- switch (cmd) {
- case DITRACE_CMD_GET_DRIVER_INFO:
- if ((ret = diva_get_driver_info(id, data, sizeof(data))) > 0) {
- if ((count < ret) || diva_os_copy_to_user
- (NULL, buf, (void *) &data[0], ret))
- ret = -EFAULT;
- } else {
- ret = -EINVAL;
- }
- break;
-
- case DITRACE_READ_DRIVER_DBG_MASK:
- if ((ret = diva_get_driver_dbg_mask(id, (byte *) data)) > 0) {
- if ((count < ret) || diva_os_copy_to_user
- (NULL, buf, (void *) &data[0], ret))
- ret = -EFAULT;
- } else {
- ret = -ENODEV;
- }
- break;
-
- case DITRACE_WRITE_DRIVER_DBG_MASK:
- if ((ret = diva_set_driver_dbg_mask(id, mask)) <= 0) {
- ret = -ENODEV;
- }
- break;
-
- /*
- Filter commands will ignore the ID due to fact that filtering affects
- the B- channel and Audio Tap trace levels only. Also MAINT driver will
- select the right trace ID by itself
- */
- case DITRACE_WRITE_SELECTIVE_TRACE_FILTER:
- if (!mask) {
- ret = diva_set_trace_filter(1, "*");
- } else if (mask < sizeof(data)) {
- if (diva_os_copy_from_user(NULL, data, (char __user *)buf + 12, mask)) {
- ret = -EFAULT;
- } else {
- ret = diva_set_trace_filter((int)mask, data);
- }
- } else {
- ret = -EINVAL;
- }
- break;
-
- case DITRACE_READ_SELECTIVE_TRACE_FILTER:
- if ((ret = diva_get_trace_filter(sizeof(data), data)) > 0) {
- if (diva_os_copy_to_user(NULL, buf, data, ret))
- ret = -EFAULT;
- } else {
- ret = -ENODEV;
- }
- break;
-
- case DITRACE_READ_TRACE_ENTRY:{
- diva_os_spin_lock_magic_t old_irql;
- word size;
- diva_dbg_entry_head_t *pmsg;
- byte *pbuf;
-
- if (!(pbuf = diva_os_malloc(0, mask))) {
- return (-ENOMEM);
- }
-
- for (;;) {
- if (!(pmsg =
- diva_maint_get_message(&size, &old_irql))) {
- break;
- }
- if (size > mask) {
- diva_maint_ack_message(0, &old_irql);
- ret = -EINVAL;
- break;
- }
- ret = size;
- memcpy(pbuf, pmsg, size);
- diva_maint_ack_message(1, &old_irql);
- if ((count < size) ||
- diva_os_copy_to_user(NULL, buf, (void *) pbuf, size))
- ret = -EFAULT;
- break;
- }
- diva_os_free(0, pbuf);
- }
- break;
-
- case DITRACE_READ_TRACE_ENTRYS:{
- diva_os_spin_lock_magic_t old_irql;
- word size;
- diva_dbg_entry_head_t *pmsg;
- byte *pbuf = NULL;
- int written = 0;
-
- if (mask < 4096) {
- ret = -EINVAL;
- break;
- }
- if (!(pbuf = diva_os_malloc(0, mask))) {
- return (-ENOMEM);
- }
-
- for (;;) {
- if (!(pmsg =
- diva_maint_get_message(&size, &old_irql))) {
- break;
- }
- if ((size + 8) > mask) {
- diva_maint_ack_message(0, &old_irql);
- break;
- }
- /*
- Write entry length
- */
- pbuf[written++] = (byte) size;
- pbuf[written++] = (byte) (size >> 8);
- pbuf[written++] = 0;
- pbuf[written++] = 0;
- /*
- Write message
- */
- memcpy(&pbuf[written], pmsg, size);
- diva_maint_ack_message(1, &old_irql);
- written += size;
- mask -= (size + 4);
- }
- pbuf[written++] = 0;
- pbuf[written++] = 0;
- pbuf[written++] = 0;
- pbuf[written++] = 0;
-
- if ((count < written) || diva_os_copy_to_user(NULL, buf, (void *) pbuf, written)) {
- ret = -EFAULT;
- } else {
- ret = written;
- }
- diva_os_free(0, pbuf);
- }
- break;
-
- default:
- ret = -EINVAL;
- }
- return (ret);
-}
-
-/*
- * init
- */
-int __init mntfunc_init(int *buffer_length, void **buffer,
- unsigned long diva_dbg_mem)
-{
- if (*buffer_length < 64) {
- *buffer_length = 64;
- }
- if (*buffer_length > 512) {
- *buffer_length = 512;
- }
- *buffer_length *= 1024;
-
- if (diva_dbg_mem) {
- *buffer = (void *) diva_dbg_mem;
- } else {
- while ((*buffer_length >= (64 * 1024))
- &&
- (!(*buffer = diva_os_malloc(0, *buffer_length)))) {
- *buffer_length -= 1024;
- }
-
- if (!*buffer) {
- DBG_ERR(("init: Can not alloc trace buffer"));
- return (0);
- }
- }
-
- if (diva_maint_init(*buffer, *buffer_length, (diva_dbg_mem == 0))) {
- if (!diva_dbg_mem) {
- diva_os_free(0, *buffer);
- }
- DBG_ERR(("init: maint init failed"));
- return (0);
- }
-
- if (!connect_didd()) {
- DBG_ERR(("init: failed to connect to DIDD."));
- diva_maint_finit();
- if (!diva_dbg_mem) {
- diva_os_free(0, *buffer);
- }
- return (0);
- }
- return (1);
-}
-
-/*
- * exit
- */
-void __exit mntfunc_finit(void)
-{
- void *buffer;
- int i = 100;
-
- DbgDeregister();
-
- while (diva_mnt_shutdown_xdi_adapters() && i--) {
- diva_os_sleep(10);
- }
-
- disconnect_didd();
-
- if ((buffer = diva_maint_finit())) {
- diva_os_free(0, buffer);
- }
-
- memset(&MAdapter, 0, sizeof(MAdapter));
- dprintf = no_printf;
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.