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kernel-fxtec-pro1x/drivers/isdn/sc/ioctl.c
Adrian Bunk e3ca5e762c [PATCH] drivers/isdn/sc/: possible cleanups 
This patch contains the following possible cleanips:
- make some needlessly global code static
- remove the compiled but completely unused debug.c
- remove or #if 0 the following unused global functions:
  - command.c: loopback
  - command.c: loadproc
  - init.c: irq_supported
  - packet.c: print_skb
  - shmem.c: memset_shmem
  - timer.c: trace_timer

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-25 16:24:56 -07:00

600 lines
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/*
* Copyright (C) 1996 SpellCaster Telecommunications Inc.
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#include "includes.h"
#include "hardware.h"
#include "message.h"
#include "card.h"
#include "scioc.h"
extern int indicate_status(int, int, unsigned long, char *);
extern int startproc(int);
extern int reset(int);
extern int send_and_receive(int, unsigned int, unsigned char,unsigned char,
unsigned char,unsigned char,
unsigned char, unsigned char *, RspMessage *, int);
extern board *sc_adapter[];
static int GetStatus(int card, boardInfo *);
/*
* Process private IOCTL messages (typically from scctrl)
*/
int sc_ioctl(int card, scs_ioctl *data)
{
int status;
RspMessage *rcvmsg;
char *spid;
char *dn;
char switchtype;
char speed;
rcvmsg = kmalloc(sizeof(RspMessage), GFP_KERNEL);
if (!rcvmsg)
return -ENOMEM;
switch(data->command) {
case SCIOCRESET: /* Perform a hard reset of the adapter */
{
pr_debug("%s: SCIOCRESET: ioctl received\n",
sc_adapter[card]->devicename);
sc_adapter[card]->StartOnReset = 0;
return (reset(card));
}
case SCIOCLOAD:
{
char *srec;
srec = kmalloc(SCIOC_SRECSIZE, GFP_KERNEL);
if (!srec) {
kfree(rcvmsg);
return -ENOMEM;
}
pr_debug("%s: SCIOLOAD: ioctl received\n",
sc_adapter[card]->devicename);
if(sc_adapter[card]->EngineUp) {
pr_debug("%s: SCIOCLOAD: command failed, LoadProc while engine running.\n",
sc_adapter[card]->devicename);
kfree(rcvmsg);
kfree(srec);
return -1;
}
/*
* Get the SRec from user space
*/
if (copy_from_user(srec, data->dataptr, sizeof(srec))) {
kfree(rcvmsg);
kfree(srec);
return -EFAULT;
}
status = send_and_receive(card, CMPID, cmReqType2, cmReqClass0, cmReqLoadProc,
0, sizeof(srec), srec, rcvmsg, SAR_TIMEOUT);
kfree(rcvmsg);
kfree(srec);
if(status) {
pr_debug("%s: SCIOCLOAD: command failed, status = %d\n",
sc_adapter[card]->devicename, status);
return -1;
}
else {
pr_debug("%s: SCIOCLOAD: command successful\n",
sc_adapter[card]->devicename);
return 0;
}
}
case SCIOCSTART:
{
pr_debug("%s: SCIOSTART: ioctl received\n",
sc_adapter[card]->devicename);
if(sc_adapter[card]->EngineUp) {
pr_debug("%s: SCIOCSTART: command failed, engine already running.\n",
sc_adapter[card]->devicename);
return -1;
}
sc_adapter[card]->StartOnReset = 1;
startproc(card);
return 0;
}
case SCIOCSETSWITCH:
{
pr_debug("%s: SCIOSETSWITCH: ioctl received\n",
sc_adapter[card]->devicename);
/*
* Get the switch type from user space
*/
if (copy_from_user(&switchtype, data->dataptr, sizeof(char))) {
kfree(rcvmsg);
return -EFAULT;
}
pr_debug("%s: SCIOCSETSWITCH: setting switch type to %d\n",
sc_adapter[card]->devicename,
switchtype);
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallSetSwitchType,
0, sizeof(char),&switchtype, rcvmsg, SAR_TIMEOUT);
if(!status && !(rcvmsg->rsp_status)) {
pr_debug("%s: SCIOCSETSWITCH: command successful\n",
sc_adapter[card]->devicename);
kfree(rcvmsg);
return 0;
}
else {
pr_debug("%s: SCIOCSETSWITCH: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
return status;
}
}
case SCIOCGETSWITCH:
{
pr_debug("%s: SCIOGETSWITCH: ioctl received\n",
sc_adapter[card]->devicename);
/*
* Get the switch type from the board
*/
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
ceReqCallGetSwitchType, 0, 0, NULL, rcvmsg, SAR_TIMEOUT);
if (!status && !(rcvmsg->rsp_status)) {
pr_debug("%s: SCIOCGETSWITCH: command successful\n",
sc_adapter[card]->devicename);
}
else {
pr_debug("%s: SCIOCGETSWITCH: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
return status;
}
switchtype = rcvmsg->msg_data.byte_array[0];
/*
* Package the switch type and send to user space
*/
if (copy_to_user(data->dataptr, &switchtype,
sizeof(char))) {
kfree(rcvmsg);
return -EFAULT;
}
kfree(rcvmsg);
return 0;
}
case SCIOCGETSPID:
{
pr_debug("%s: SCIOGETSPID: ioctl received\n",
sc_adapter[card]->devicename);
spid = kmalloc(SCIOC_SPIDSIZE, GFP_KERNEL);
if(!spid) {
kfree(rcvmsg);
return -ENOMEM;
}
/*
* Get the spid from the board
*/
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetSPID,
data->channel, 0, NULL, rcvmsg, SAR_TIMEOUT);
if (!status) {
pr_debug("%s: SCIOCGETSPID: command successful\n",
sc_adapter[card]->devicename);
}
else {
pr_debug("%s: SCIOCGETSPID: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
return status;
}
strcpy(spid, rcvmsg->msg_data.byte_array);
/*
* Package the switch type and send to user space
*/
if (copy_to_user(data->dataptr, spid, SCIOC_SPIDSIZE)) {
kfree(spid);
kfree(rcvmsg);
return -EFAULT;
}
kfree(spid);
kfree(rcvmsg);
return 0;
}
case SCIOCSETSPID:
{
pr_debug("%s: DCBIOSETSPID: ioctl received\n",
sc_adapter[card]->devicename);
spid = kmalloc(SCIOC_SPIDSIZE, GFP_KERNEL);
if(!spid) {
kfree(rcvmsg);
return -ENOMEM;
}
/*
* Get the spid from user space
*/
if (copy_from_user(spid, data->dataptr, SCIOC_SPIDSIZE)) {
kfree(rcvmsg);
return -EFAULT;
}
pr_debug("%s: SCIOCSETSPID: setting channel %d spid to %s\n",
sc_adapter[card]->devicename, data->channel, spid);
status = send_and_receive(card, CEPID, ceReqTypeCall,
ceReqClass0, ceReqCallSetSPID, data->channel,
strlen(spid), spid, rcvmsg, SAR_TIMEOUT);
if(!status && !(rcvmsg->rsp_status)) {
pr_debug("%s: SCIOCSETSPID: command successful\n",
sc_adapter[card]->devicename);
kfree(rcvmsg);
kfree(spid);
return 0;
}
else {
pr_debug("%s: SCIOCSETSPID: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
kfree(spid);
return status;
}
}
case SCIOCGETDN:
{
pr_debug("%s: SCIOGETDN: ioctl received\n",
sc_adapter[card]->devicename);
/*
* Get the dn from the board
*/
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0, ceReqCallGetMyNumber,
data->channel, 0, NULL, rcvmsg, SAR_TIMEOUT);
if (!status) {
pr_debug("%s: SCIOCGETDN: command successful\n",
sc_adapter[card]->devicename);
}
else {
pr_debug("%s: SCIOCGETDN: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
return status;
}
dn = kmalloc(SCIOC_DNSIZE, GFP_KERNEL);
if (!dn) {
kfree(rcvmsg);
return -ENOMEM;
}
strcpy(dn, rcvmsg->msg_data.byte_array);
kfree(rcvmsg);
/*
* Package the dn and send to user space
*/
if (copy_to_user(data->dataptr, dn, SCIOC_DNSIZE)) {
kfree(dn);
return -EFAULT;
}
kfree(dn);
return 0;
}
case SCIOCSETDN:
{
pr_debug("%s: SCIOSETDN: ioctl received\n",
sc_adapter[card]->devicename);
dn = kmalloc(SCIOC_DNSIZE, GFP_KERNEL);
if (!dn) {
kfree(rcvmsg);
return -ENOMEM;
}
/*
* Get the spid from user space
*/
if (copy_from_user(dn, data->dataptr, SCIOC_DNSIZE)) {
kfree(rcvmsg);
kfree(dn);
return -EFAULT;
}
pr_debug("%s: SCIOCSETDN: setting channel %d dn to %s\n",
sc_adapter[card]->devicename, data->channel, dn);
status = send_and_receive(card, CEPID, ceReqTypeCall,
ceReqClass0, ceReqCallSetMyNumber, data->channel,
strlen(dn),dn,rcvmsg, SAR_TIMEOUT);
if(!status && !(rcvmsg->rsp_status)) {
pr_debug("%s: SCIOCSETDN: command successful\n",
sc_adapter[card]->devicename);
kfree(rcvmsg);
kfree(dn);
return 0;
}
else {
pr_debug("%s: SCIOCSETDN: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
kfree(dn);
return status;
}
}
case SCIOCTRACE:
pr_debug("%s: SCIOTRACE: ioctl received\n",
sc_adapter[card]->devicename);
/* sc_adapter[card]->trace = !sc_adapter[card]->trace;
pr_debug("%s: SCIOCTRACE: tracing turned %s\n",
sc_adapter[card]->devicename,
sc_adapter[card]->trace ? "ON" : "OFF"); */
break;
case SCIOCSTAT:
{
boardInfo *bi;
pr_debug("%s: SCIOSTAT: ioctl received\n",
sc_adapter[card]->devicename);
bi = kmalloc (sizeof(boardInfo), GFP_KERNEL);
if (!bi) {
kfree(rcvmsg);
return -ENOMEM;
}
kfree(rcvmsg);
GetStatus(card, bi);
if (copy_to_user(data->dataptr, bi, sizeof(boardInfo))) {
kfree(bi);
return -EFAULT;
}
kfree(bi);
return 0;
}
case SCIOCGETSPEED:
{
pr_debug("%s: SCIOGETSPEED: ioctl received\n",
sc_adapter[card]->devicename);
/*
* Get the speed from the board
*/
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
ceReqCallGetCallType, data->channel, 0, NULL, rcvmsg, SAR_TIMEOUT);
if (!status && !(rcvmsg->rsp_status)) {
pr_debug("%s: SCIOCGETSPEED: command successful\n",
sc_adapter[card]->devicename);
}
else {
pr_debug("%s: SCIOCGETSPEED: command failed (status = %d)\n",
sc_adapter[card]->devicename, status);
kfree(rcvmsg);
return status;
}
speed = rcvmsg->msg_data.byte_array[0];
kfree(rcvmsg);
/*
* Package the switch type and send to user space
*/
if (copy_to_user(data->dataptr, &speed, sizeof(char)))
return -EFAULT;
return 0;
}
case SCIOCSETSPEED:
pr_debug("%s: SCIOCSETSPEED: ioctl received\n",
sc_adapter[card]->devicename);
break;
case SCIOCLOOPTST:
pr_debug("%s: SCIOCLOOPTST: ioctl received\n",
sc_adapter[card]->devicename);
break;
default:
kfree(rcvmsg);
return -1;
}
kfree(rcvmsg);
return 0;
}
static int GetStatus(int card, boardInfo *bi)
{
RspMessage rcvmsg;
int i, status;
/*
* Fill in some of the basic info about the board
*/
bi->modelid = sc_adapter[card]->model;
strcpy(bi->serial_no, sc_adapter[card]->hwconfig.serial_no);
strcpy(bi->part_no, sc_adapter[card]->hwconfig.part_no);
bi->iobase = sc_adapter[card]->iobase;
bi->rambase = sc_adapter[card]->rambase;
bi->irq = sc_adapter[card]->interrupt;
bi->ramsize = sc_adapter[card]->hwconfig.ram_size;
bi->interface = sc_adapter[card]->hwconfig.st_u_sense;
strcpy(bi->load_ver, sc_adapter[card]->load_ver);
strcpy(bi->proc_ver, sc_adapter[card]->proc_ver);
/*
* Get the current PhyStats and LnkStats
*/
status = send_and_receive(card, CEPID, ceReqTypePhy, ceReqClass2,
ceReqPhyStatus, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if(!status) {
if(sc_adapter[card]->model < PRI_BOARD) {
bi->l1_status = rcvmsg.msg_data.byte_array[2];
for(i = 0 ; i < BRI_CHANNELS ; i++)
bi->status.bristats[i].phy_stat =
rcvmsg.msg_data.byte_array[i];
}
else {
bi->l1_status = rcvmsg.msg_data.byte_array[0];
bi->l2_status = rcvmsg.msg_data.byte_array[1];
for(i = 0 ; i < PRI_CHANNELS ; i++)
bi->status.pristats[i].phy_stat =
rcvmsg.msg_data.byte_array[i+2];
}
}
/*
* Get the call types for each channel
*/
for (i = 0 ; i < sc_adapter[card]->nChannels ; i++) {
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
ceReqCallGetCallType, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if(!status) {
if (sc_adapter[card]->model == PRI_BOARD) {
bi->status.pristats[i].call_type =
rcvmsg.msg_data.byte_array[0];
}
else {
bi->status.bristats[i].call_type =
rcvmsg.msg_data.byte_array[0];
}
}
}
/*
* If PRI, get the call states and service states for each channel
*/
if (sc_adapter[card]->model == PRI_BOARD) {
/*
* Get the call states
*/
status = send_and_receive(card, CEPID, ceReqTypeStat, ceReqClass2,
ceReqPhyChCallState, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if(!status) {
for( i = 0 ; i < PRI_CHANNELS ; i++ )
bi->status.pristats[i].call_state =
rcvmsg.msg_data.byte_array[i];
}
/*
* Get the service states
*/
status = send_and_receive(card, CEPID, ceReqTypeStat, ceReqClass2,
ceReqPhyChServState, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if(!status) {
for( i = 0 ; i < PRI_CHANNELS ; i++ )
bi->status.pristats[i].serv_state =
rcvmsg.msg_data.byte_array[i];
}
/*
* Get the link stats for the channels
*/
for (i = 1 ; i <= PRI_CHANNELS ; i++) {
status = send_and_receive(card, CEPID, ceReqTypeLnk, ceReqClass0,
ceReqLnkGetStats, i, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if (!status) {
bi->status.pristats[i-1].link_stats.tx_good =
(unsigned long)rcvmsg.msg_data.byte_array[0];
bi->status.pristats[i-1].link_stats.tx_bad =
(unsigned long)rcvmsg.msg_data.byte_array[4];
bi->status.pristats[i-1].link_stats.rx_good =
(unsigned long)rcvmsg.msg_data.byte_array[8];
bi->status.pristats[i-1].link_stats.rx_bad =
(unsigned long)rcvmsg.msg_data.byte_array[12];
}
}
/*
* Link stats for the D channel
*/
status = send_and_receive(card, CEPID, ceReqTypeLnk, ceReqClass0,
ceReqLnkGetStats, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if (!status) {
bi->dch_stats.tx_good = (unsigned long)rcvmsg.msg_data.byte_array[0];
bi->dch_stats.tx_bad = (unsigned long)rcvmsg.msg_data.byte_array[4];
bi->dch_stats.rx_good = (unsigned long)rcvmsg.msg_data.byte_array[8];
bi->dch_stats.rx_bad = (unsigned long)rcvmsg.msg_data.byte_array[12];
}
return 0;
}
/*
* If BRI or POTS, Get SPID, DN and call types for each channel
*/
/*
* Get the link stats for the channels
*/
status = send_and_receive(card, CEPID, ceReqTypeLnk, ceReqClass0,
ceReqLnkGetStats, 0, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if (!status) {
bi->dch_stats.tx_good = (unsigned long)rcvmsg.msg_data.byte_array[0];
bi->dch_stats.tx_bad = (unsigned long)rcvmsg.msg_data.byte_array[4];
bi->dch_stats.rx_good = (unsigned long)rcvmsg.msg_data.byte_array[8];
bi->dch_stats.rx_bad = (unsigned long)rcvmsg.msg_data.byte_array[12];
bi->status.bristats[0].link_stats.tx_good =
(unsigned long)rcvmsg.msg_data.byte_array[16];
bi->status.bristats[0].link_stats.tx_bad =
(unsigned long)rcvmsg.msg_data.byte_array[20];
bi->status.bristats[0].link_stats.rx_good =
(unsigned long)rcvmsg.msg_data.byte_array[24];
bi->status.bristats[0].link_stats.rx_bad =
(unsigned long)rcvmsg.msg_data.byte_array[28];
bi->status.bristats[1].link_stats.tx_good =
(unsigned long)rcvmsg.msg_data.byte_array[32];
bi->status.bristats[1].link_stats.tx_bad =
(unsigned long)rcvmsg.msg_data.byte_array[36];
bi->status.bristats[1].link_stats.rx_good =
(unsigned long)rcvmsg.msg_data.byte_array[40];
bi->status.bristats[1].link_stats.rx_bad =
(unsigned long)rcvmsg.msg_data.byte_array[44];
}
/*
* Get the SPIDs
*/
for (i = 0 ; i < BRI_CHANNELS ; i++) {
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
ceReqCallGetSPID, i+1, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if (!status)
strcpy(bi->status.bristats[i].spid, rcvmsg.msg_data.byte_array);
}
/*
* Get the DNs
*/
for (i = 0 ; i < BRI_CHANNELS ; i++) {
status = send_and_receive(card, CEPID, ceReqTypeCall, ceReqClass0,
ceReqCallGetMyNumber, i+1, 0, NULL, &rcvmsg, SAR_TIMEOUT);
if (!status)
strcpy(bi->status.bristats[i].dn, rcvmsg.msg_data.byte_array);
}
return 0;
}
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