/*
* istallion.c -- stallion intelligent multiport serial driver.
*
- * Copyright (C) 1996-1999 Stallion Technologies (support@stallion.oz.au).
+ * Copyright (C) 1996-1999 Stallion Technologies
* Copyright (C) 1994-1996 Greg Ungerer.
*
* This code is loosely based on the Linux serial driver, written by
static int stli_brdinit(stlibrd_t *brdp);
static int stli_startbrd(stlibrd_t *brdp);
-static ssize_t stli_memread(struct file *fp, char *buf, size_t count, loff_t *offp);
-static ssize_t stli_memwrite(struct file *fp, const char *buf, size_t count, loff_t *offp);
+static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp);
+static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp);
static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg);
static void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
static void stli_poll(unsigned long arg);
static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
static long stli_mktiocm(unsigned long sigvalue);
static void stli_read(stlibrd_t *brdp, stliport_t *portp);
-static int stli_getserial(stliport_t *portp, struct serial_struct *sp);
-static int stli_setserial(stliport_t *portp, struct serial_struct *sp);
-static int stli_getbrdstats(combrd_t *bp);
-static int stli_getportstats(stliport_t *portp, comstats_t *cp);
+static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp);
+static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp);
+static int stli_getbrdstats(combrd_t __user *bp);
+static int stli_getportstats(stliport_t *portp, comstats_t __user *cp);
static int stli_portcmdstats(stliport_t *portp);
-static int stli_clrportstats(stliport_t *portp, comstats_t *cp);
-static int stli_getportstruct(unsigned long arg);
-static int stli_getbrdstruct(unsigned long arg);
+static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp);
+static int stli_getportstruct(stliport_t __user *arg);
+static int stli_getbrdstruct(stlibrd_t __user *arg);
static void *stli_memalloc(int len);
static stlibrd_t *stli_allocbrd(void);
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("init_module()\n");
#endif
unsigned long flags;
int i, j;
-#if DEBUG
+#ifdef DEBUG
printk("cleanup_module()\n");
#endif
i = tty_unregister_driver(stli_serial);
if (i) {
printk("STALLION: failed to un-register tty driver, "
- "errno=%d,%d\n", -i);
+ "errno=%d\n", -i);
restore_flags(flags);
return;
}
* Check for any arguments passed in on the module load command line.
*/
-static void stli_argbrds()
+static void stli_argbrds(void)
{
stlconf_t conf;
stlibrd_t *brdp;
int nrargs, i;
-#if DEBUG
+#ifdef DEBUG
printk("stli_argbrds()\n");
#endif
char *sp;
int nrbrdnames, i;
-#if DEBUG
+#ifdef DEBUG
printk("stli_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp);
#endif
unsigned int minordev;
int brdnr, portnr, rc;
-#if DEBUG
+#ifdef DEBUG
printk("stli_open(tty=%x,filp=%x): device=%s\n", (int) tty,
(int) filp, tty->name);
#endif
stliport_t *portp;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stli_close(tty=%x,filp=%x)\n", (int) tty, (int) filp);
#endif
asyport_t aport;
int rc;
-#if DEBUG
+#ifdef DEBUG
printk("stli_initopen(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
#endif
unsigned long flags;
int rc;
-#if DEBUG
+#ifdef DEBUG
printk("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n",
(int) brdp, (int) portp, (int) arg, wait);
#endif
unsigned long flags;
int rc;
-#if DEBUG
+#ifdef DEBUG
printk("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n",
(int) brdp, (int) portp, (int) arg, wait);
#endif
{
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
"copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
(int) arg, size, copyback);
stlibrd_t *brdp;
asyport_t aport;
-#if DEBUG
+#ifdef DEBUG
printk("stli_setport(portp=%x)\n", (int) portp);
#endif
static void stli_delay(int len)
{
-#if DEBUG
+#ifdef DEBUG
printk("stli_delay(len=%d)\n", len);
#endif
if (len > 0) {
unsigned long flags;
int rc, doclocal;
-#if DEBUG
+#ifdef DEBUG
printk("stli_waitcarrier(brdp=%x,portp=%x,filp=%x)\n",
(int) brdp, (int) portp, (int) filp);
#endif
unsigned int len, stlen, head, tail, size;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stli_write(tty=%x,from_user=%d,buf=%x,count=%d)\n",
(int) tty, from_user, (int) buf, count);
#endif
static void stli_putchar(struct tty_struct *tty, unsigned char ch)
{
-#if DEBUG
+#ifdef DEBUG
printk("stli_putchar(tty=%x,ch=%x)\n", (int) tty, (int) ch);
#endif
unsigned char *buf, *shbuf;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stli_flushchars(tty=%x)\n", (int) tty);
#endif
unsigned int head, tail, len;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stli_writeroom(tty=%x)\n", (int) tty);
#endif
unsigned int head, tail, len;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk("stli_charsinbuffer(tty=%x)\n", (int) tty);
#endif
* Generate the serial struct info.
*/
-static int stli_getserial(stliport_t *portp, struct serial_struct *sp)
+static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp)
{
struct serial_struct sio;
stlibrd_t *brdp;
-#if DEBUG
+#ifdef DEBUG
printk("stli_getserial(portp=%x,sp=%x)\n", (int) portp, (int) sp);
#endif
* just quietly ignore any requests to change irq, etc.
*/
-static int stli_setserial(stliport_t *portp, struct serial_struct *sp)
+static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp)
{
struct serial_struct sio;
int rc;
-#if DEBUG
- printk("stli_setserial(portp=%x,sp=%x)\n", (int) portp, (int) sp);
+#ifdef DEBUG
+ printk("stli_setserial(portp=%p,sp=%p)\n", portp, sp);
#endif
if (copy_from_user(&sio, sp, sizeof(struct serial_struct)))
stlibrd_t *brdp;
unsigned int ival;
int rc;
+ void __user *argp = (void __user *)arg;
-#if DEBUG
+#ifdef DEBUG
printk("stli_ioctl(tty=%x,file=%x,cmd=%x,arg=%x)\n",
(int) tty, (int) file, cmd, (int) arg);
#endif
switch (cmd) {
case TIOCGSOFTCAR:
rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0),
- (unsigned int *) arg);
+ (unsigned __user *) arg);
break;
case TIOCSSOFTCAR:
- if ((rc = get_user(ival, (unsigned int *) arg)) == 0)
+ if ((rc = get_user(ival, (unsigned __user *) arg)) == 0)
tty->termios->c_cflag =
(tty->termios->c_cflag & ~CLOCAL) |
(ival ? CLOCAL : 0);
break;
case TIOCGSERIAL:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(struct serial_struct))) == 0)
- rc = stli_getserial(portp, (struct serial_struct *) arg);
+ rc = stli_getserial(portp, argp);
break;
case TIOCSSERIAL:
- if ((rc = verify_area(VERIFY_READ, (void *) arg,
- sizeof(struct serial_struct))) == 0)
- rc = stli_setserial(portp, (struct serial_struct *)arg);
+ rc = stli_setserial(portp, argp);
break;
case STL_GETPFLAG:
- rc = put_user(portp->pflag, (unsigned int *) arg);
+ rc = put_user(portp->pflag, (unsigned __user *)argp);
break;
case STL_SETPFLAG:
- if ((rc = get_user(portp->pflag, (unsigned int *) arg)) == 0)
+ if ((rc = get_user(portp->pflag, (unsigned __user *)argp)) == 0)
stli_setport(portp);
break;
case COM_GETPORTSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(comstats_t))) == 0)
- rc = stli_getportstats(portp, (comstats_t *) arg);
+ rc = stli_getportstats(portp, argp);
break;
case COM_CLRPORTSTATS:
- if ((rc = verify_area(VERIFY_WRITE, (void *) arg,
- sizeof(comstats_t))) == 0)
- rc = stli_clrportstats(portp, (comstats_t *) arg);
+ rc = stli_clrportstats(portp, argp);
break;
case TIOCSERCONFIG:
case TIOCSERGWILD:
struct termios *tiosp;
asyport_t aport;
-#if DEBUG
+#ifdef DEBUG
printk("stli_settermios(tty=%x,old=%x)\n", (int) tty, (int) old);
#endif
{
stliport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stli_throttle(tty=%x)\n", (int) tty);
#endif
{
stliport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk("stli_unthrottle(tty=%x)\n", (int) tty);
#endif
stliport_t *portp;
asyctrl_t actrl;
-#if DEBUG
+#ifdef DEBUG
printk("stli_stop(tty=%x)\n", (int) tty);
#endif
stlibrd_t *brdp;
asyctrl_t actrl;
-#if DEBUG
+#ifdef DEBUG
printk("stli_start(tty=%x)\n", (int) tty);
#endif
{
stliport_t *portp;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_dohangup(portp=%x)\n", (int) arg);
#endif
stlibrd_t *brdp;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_hangup(tty=%x)\n", (int) tty);
#endif
stlibrd_t *brdp;
unsigned long ftype, flags;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_flushbuffer(tty=%x)\n", (int) tty);
#endif
long arg;
/* long savestate, savetime; */
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_breakctl(tty=%x,state=%d)\n", (int) tty, state);
#endif
stliport_t *portp;
unsigned long tend;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_waituntilsent(tty=%x,timeout=%x)\n", (int) tty, timeout);
#endif
stliport_t *portp;
asyctrl_t actrl;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_sendxchar(tty=%x,ch=%x)\n", (int) tty, ch);
#endif
int curoff, maxoff;
char *pos;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_readproc(page=%x,start=%x,off=%x,count=%d,eof=%x,"
"data=%x\n", (int) page, (int) start, (int) off, count,
(int) eof, (int) data);
volatile unsigned char *bits;
unsigned long flags;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
"copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
(int) arg, size, copyback);
unsigned int head, tail, size;
unsigned int len, stlen;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_read(brdp=%x,portp=%d)\n",
(int) brdp, (int) portp);
#endif
unsigned long oldsigs;
int rc, donerx;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_hostcmd(brdp=%x,channr=%d)\n",
(int) brdp, channr);
#endif
static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n",
(int) portp, (int) pp, (int) tiosp);
#endif
static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n",
(int) sp, dtr, rts);
#endif
{
long tiocm;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
#endif
stliport_t *portp;
int i, panelnr, panelport;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_initports(brdp=%x)\n", (int) brdp);
#endif
{
unsigned long memconf;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpinit(brdp=%d)\n", (int) brdp);
#endif
static void stli_ecpenable(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpenable(brdp=%x)\n", (int) brdp);
#endif
outb(ECP_ATENABLE, (brdp->iobase + ECP_ATCONFR));
static void stli_ecpdisable(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpdisable(brdp=%x)\n", (int) brdp);
#endif
outb(ECP_ATDISABLE, (brdp->iobase + ECP_ATCONFR));
void *ptr;
unsigned char val;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
(int) offset);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
val = 0;
} else {
ptr = brdp->membase + (offset % ECP_ATPAGESIZE);
static void stli_ecpreset(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpreset(brdp=%x)\n", (int) brdp);
#endif
static void stli_ecpintr(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpintr(brdp=%x)\n", (int) brdp);
#endif
outb(0x1, brdp->iobase);
{
unsigned long memconf;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpeiinit(brdp=%x)\n", (int) brdp);
#endif
void *ptr;
unsigned char val;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
(int) brdp, (int) offset, line);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
val = 0;
} else {
ptr = brdp->membase + (offset % ECP_EIPAGESIZE);
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
val = 0;
} else {
ptr = brdp->membase + (offset % ECP_MCPAGESIZE);
static void stli_ecppciinit(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecppciinit(brdp=%x)\n", (int) brdp);
#endif
void *ptr;
unsigned char val;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_ecppcigetmemptr(brdp=%x,offset=%x,line=%d)\n",
(int) brdp, (int) offset, line);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), board=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
val = 0;
} else {
ptr = brdp->membase + (offset % ECP_PCIPAGESIZE);
{
unsigned long memconf;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbinit(brdp=%d)\n", (int) brdp);
#endif
static void stli_onbenable(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbenable(brdp=%x)\n", (int) brdp);
#endif
outb((brdp->enabval | ONB_ATENABLE), (brdp->iobase + ONB_ATCONFR));
static void stli_onbdisable(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbdisable(brdp=%x)\n", (int) brdp);
#endif
outb((brdp->enabval | ONB_ATDISABLE), (brdp->iobase + ONB_ATCONFR));
{
void *ptr;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
(int) offset);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
} else {
ptr = brdp->membase + (offset % ONB_ATPAGESIZE);
}
static void stli_onbreset(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbreset(brdp=%x)\n", (int) brdp);
#endif
{
unsigned long memconf;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbeinit(brdp=%d)\n", (int) brdp);
#endif
static void stli_onbeenable(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbeenable(brdp=%x)\n", (int) brdp);
#endif
outb(ONB_EIENABLE, (brdp->iobase + ONB_EICONFR));
static void stli_onbedisable(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbedisable(brdp=%x)\n", (int) brdp);
#endif
outb(ONB_EIDISABLE, (brdp->iobase + ONB_EICONFR));
void *ptr;
unsigned char val;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n",
(int) brdp, (int) offset, line);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
val = 0;
} else {
ptr = brdp->membase + (offset % ONB_EIPAGESIZE);
static void stli_onbereset(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_ERR "stli_onbereset(brdp=%x)\n", (int) brdp);
#endif
static void stli_bbyinit(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_ERR "stli_bbyinit(brdp=%d)\n", (int) brdp);
#endif
void *ptr;
unsigned char val;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_ERR "stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
(int) offset);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
val = 0;
} else {
ptr = brdp->membase + (offset % BBY_PAGESIZE);
static void stli_bbyreset(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_bbyreset(brdp=%x)\n", (int) brdp);
#endif
static void stli_stalinit(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_stalinit(brdp=%d)\n", (int) brdp);
#endif
{
void *ptr;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
(int) offset);
#endif
printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
- ptr = 0;
+ ptr = NULL;
} else {
ptr = brdp->membase + (offset % STAL_PAGESIZE);
}
{
volatile unsigned long *vecp;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_stalreset(brdp=%x)\n", (int) brdp);
#endif
char *name;
int panelnr, nrports;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_initecp(brdp=%x)\n", (int) brdp);
#endif
char *name;
int i;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_initonb(brdp=%x)\n", (int) brdp);
#endif
stliport_t *portp;
int portnr, nrdevs, i, rc;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_startbrd(brdp=%x)\n", (int) brdp);
#endif
static int __init stli_brdinit(stlibrd_t *brdp)
{
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_brdinit(brdp=%x)\n", (int) brdp);
#endif
cdkonbsig_t onbsig, *onbsigp;
int i, foundit;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_eisamemprobe(brdp=%x)\n", (int) brdp);
#endif
if (! foundit) {
brdp->memaddr = 0;
- brdp->membase = 0;
+ brdp->membase = NULL;
printk(KERN_ERR "STALLION: failed to probe shared memory "
"region for %s in EISA slot=%d\n",
stli_brdnames[brdp->brdtype], (brdp->iobase >> 12));
return(0);
}
+static inline int stli_getbrdnr(void)
+{
+ int i;
+
+ for (i = 0; i < STL_MAXBRDS; i++) {
+ if (!stli_brds[i]) {
+ if (i >= stli_nrbrds)
+ stli_nrbrds = i + 1;
+ return i;
+ }
+ }
+ return -1;
+}
+
/*****************************************************************************/
/*
* do is go probing around in the usual places hoping we can find it.
*/
-static inline int stli_findeisabrds()
+static inline int stli_findeisabrds(void)
{
stlibrd_t *brdp;
unsigned int iobase, eid;
int i;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_findeisabrds()\n");
#endif
* Find the next available board number that is free.
*/
-static inline int stli_getbrdnr()
-{
- int i;
-
- for (i = 0; (i < STL_MAXBRDS); i++) {
- if (stli_brds[i] == (stlibrd_t *) NULL) {
- if (i >= stli_nrbrds)
- stli_nrbrds = i + 1;
- return(i);
- }
- }
- return(-1);
-}
-
/*****************************************************************************/
#ifdef CONFIG_PCI
{
stlibrd_t *brdp;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_initpcibrd(brdtype=%d,busnr=%x,devnr=%x)\n",
brdtype, dev->bus->number, dev->devfn);
#endif
}
brdp->brdtype = brdtype;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "%s(%d): BAR[]=%lx,%lx,%lx,%lx\n", __FILE__, __LINE__,
pci_resource_start(devp, 0),
pci_resource_start(devp, 1),
* one as it is found.
*/
-static inline int stli_findpcibrds()
+static inline int stli_findpcibrds(void)
{
struct pci_dev *dev = NULL;
int rc;
-#if DEBUG
+#ifdef DEBUG
printk("stli_findpcibrds()\n");
#endif
* Allocate a new board structure. Fill out the basic info in it.
*/
-static stlibrd_t *stli_allocbrd()
+static stlibrd_t *stli_allocbrd(void)
{
stlibrd_t *brdp;
* can find.
*/
-static inline int stli_initbrds()
+static inline int stli_initbrds(void)
{
stlibrd_t *brdp, *nxtbrdp;
stlconf_t *confp;
int i, j;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_initbrds()\n");
#endif
* the slave image (and debugging :-)
*/
-static ssize_t stli_memread(struct file *fp, char *buf, size_t count, loff_t *offp)
+static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp)
{
unsigned long flags;
void *memptr;
stlibrd_t *brdp;
int brdnr, size, n;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_memread(fp=%x,buf=%x,count=%x,offp=%x)\n",
(int) fp, (int) buf, count, (int) offp);
#endif
* the slave image (and debugging :-)
*/
-static ssize_t stli_memwrite(struct file *fp, const char *buf, size_t count, loff_t *offp)
+static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp)
{
unsigned long flags;
void *memptr;
stlibrd_t *brdp;
- char *chbuf;
+ char __user *chbuf;
int brdnr, size, n;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_memwrite(fp=%x,buf=%x,count=%x,offp=%x)\n",
(int) fp, (int) buf, count, (int) offp);
#endif
if (fp->f_pos >= brdp->memsize)
return(0);
- chbuf = (char *) buf;
+ chbuf = (char __user *) buf;
size = MIN(count, (brdp->memsize - fp->f_pos));
save_flags(flags);
* Return the board stats structure to user app.
*/
-static int stli_getbrdstats(combrd_t *bp)
+static int stli_getbrdstats(combrd_t __user *bp)
{
stlibrd_t *brdp;
int i;
* what port to get stats for (used through board control device).
*/
-static int stli_getportstats(stliport_t *portp, comstats_t *cp)
+static int stli_getportstats(stliport_t *portp, comstats_t __user *cp)
{
stlibrd_t *brdp;
int rc;
- if (portp == (stliport_t *) NULL) {
+ if (!portp) {
if (copy_from_user(&stli_comstats, cp, sizeof(comstats_t)))
return -EFAULT;
portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
stli_comstats.port);
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
+ if (!portp)
+ return -ENODEV;
}
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (!brdp)
+ return -ENODEV;
if ((rc = stli_portcmdstats(portp)) < 0)
- return(rc);
+ return rc;
return copy_to_user(cp, &stli_comstats, sizeof(comstats_t)) ?
-EFAULT : 0;
* Clear the port stats structure. We also return it zeroed out...
*/
-static int stli_clrportstats(stliport_t *portp, comstats_t *cp)
+static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp)
{
stlibrd_t *brdp;
int rc;
- if (portp == (stliport_t *) NULL) {
+ if (!portp) {
if (copy_from_user(&stli_comstats, cp, sizeof(comstats_t)))
return -EFAULT;
portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
stli_comstats.port);
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
+ if (!portp)
+ return -ENODEV;
}
brdp = stli_brds[portp->brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
+ if (!brdp)
+ return -ENODEV;
if (brdp->state & BST_STARTED) {
- if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, 0, 0, 0)) < 0)
- return(rc);
+ if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, NULL, 0, 0)) < 0)
+ return rc;
}
memset(&stli_comstats, 0, sizeof(comstats_t));
if (copy_to_user(cp, &stli_comstats, sizeof(comstats_t)))
return -EFAULT;
- return(0);
+ return 0;
}
/*****************************************************************************/
* Return the entire driver ports structure to a user app.
*/
-static int stli_getportstruct(unsigned long arg)
+static int stli_getportstruct(stliport_t __user *arg)
{
stliport_t *portp;
- if (copy_from_user(&stli_dummyport, (void *)arg, sizeof(stliport_t)))
+ if (copy_from_user(&stli_dummyport, arg, sizeof(stliport_t)))
return -EFAULT;
portp = stli_getport(stli_dummyport.brdnr, stli_dummyport.panelnr,
stli_dummyport.portnr);
- if (portp == (stliport_t *) NULL)
- return(-ENODEV);
- if (copy_to_user((void *) arg, portp, sizeof(stliport_t)))
+ if (!portp)
+ return -ENODEV;
+ if (copy_to_user(arg, portp, sizeof(stliport_t)))
return -EFAULT;
- return(0);
+ return 0;
}
/*****************************************************************************/
* Return the entire driver board structure to a user app.
*/
-static int stli_getbrdstruct(unsigned long arg)
+static int stli_getbrdstruct(stlibrd_t __user *arg)
{
stlibrd_t *brdp;
- if (copy_from_user(&stli_dummybrd, (void *)arg, sizeof(stlibrd_t)))
+ if (copy_from_user(&stli_dummybrd, arg, sizeof(stlibrd_t)))
return -EFAULT;
if ((stli_dummybrd.brdnr < 0) || (stli_dummybrd.brdnr >= STL_MAXBRDS))
- return(-ENODEV);
+ return -ENODEV;
brdp = stli_brds[stli_dummybrd.brdnr];
- if (brdp == (stlibrd_t *) NULL)
- return(-ENODEV);
- if (copy_to_user((void *) arg, brdp, sizeof(stlibrd_t)))
+ if (!brdp)
+ return -ENODEV;
+ if (copy_to_user(arg, brdp, sizeof(stlibrd_t)))
return -EFAULT;
- return(0);
+ return 0;
}
/*****************************************************************************/
{
stlibrd_t *brdp;
int brdnr, rc, done;
+ void __user *argp = (void __user *)arg;
-#if DEBUG
+#ifdef DEBUG
printk(KERN_DEBUG "stli_memioctl(ip=%x,fp=%x,cmd=%x,arg=%x)\n",
(int) ip, (int) fp, cmd, (int) arg);
#endif
switch (cmd) {
case COM_GETPORTSTATS:
- rc = stli_getportstats((stliport_t *)NULL, (comstats_t *)arg);
+ rc = stli_getportstats(NULL, argp);
done++;
break;
case COM_CLRPORTSTATS:
- rc = stli_clrportstats((stliport_t *)NULL, (comstats_t *)arg);
+ rc = stli_clrportstats(NULL, argp);
done++;
break;
case COM_GETBRDSTATS:
- rc = stli_getbrdstats((combrd_t *) arg);
+ rc = stli_getbrdstats(argp);
done++;
break;
case COM_READPORT:
- rc = stli_getportstruct(arg);
+ rc = stli_getportstruct(argp);
done++;
break;
case COM_READBOARD:
- rc = stli_getbrdstruct(arg);
+ rc = stli_getbrdstruct(argp);
done++;
break;
}
if (brdnr >= STL_MAXBRDS)
return(-ENODEV);
brdp = stli_brds[brdnr];
- if (brdp == (stlibrd_t *) NULL)
+ if (!brdp)
return(-ENODEV);
if (brdp->state == 0)
return(-ENODEV);
git://git.onelab.eu / linux-2.6.git / blobdiff