diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/mntfunc.c')
-rw-r--r-- | drivers/isdn/hardware/eicon/mntfunc.c | 370 |
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; -} |