/*ARGSUSED*/
static int
parseopen(
queue_t *q,
dev_t dev,
int flag,
int sflag
)
{
register parsestream_t *parse;
static int notice = 0;
parseprintf(DD_OPEN,("parse: OPEN\n"));
if (sflag != MODOPEN)
{ /* open only for modules */
parseprintf(DD_OPEN,("parse: OPEN - FAILED - not MODOPEN\n"));
return OPENFAIL;
}
if (q->q_ptr != (caddr_t)NULL)
{
u.u_error = EBUSY;
parseprintf(DD_OPEN,("parse: OPEN - FAILED - EXCLUSIVE ONLY\n"));
return OPENFAIL;
}
#ifdef VDDRV
parsebusy++;
#endif
q->q_ptr = (caddr_t)kmem_alloc(sizeof(parsestream_t));
if (q->q_ptr == (caddr_t)0)
{
parseprintf(DD_OPEN,("parse: OPEN - FAILED - no memory\n"));
#ifdef VDDRV
parsebusy--;
#endif
return OPENFAIL;
}
WR(q)->q_ptr = q->q_ptr;
parse = (parsestream_t *)(void *)q->q_ptr;
bzero((caddr_t)parse, sizeof(*parse));
parse->parse_queue = q;
parse->parse_status = PARSE_ENABLE;
parse->parse_ppsclockev.tv.tv_sec = 0;
parse->parse_ppsclockev.tv.tv_usec = 0;
parse->parse_ppsclockev.serial = 0;
if (!parse_ioinit(&parse->parse_io))
{
/*
* ok guys - beat it
*/
kmem_free((caddr_t)parse, sizeof(parsestream_t));
#ifdef VDDRV
parsebusy--;
#endif
return OPENFAIL;
}
if (setup_stream(q, M_PARSE))
{
(void) init_linemon(q); /* hook up PPS ISR routines if possible */
parseprintf(DD_OPEN,("parse: OPEN - SUCCEEDED\n"));
/*
* I know that you know the delete key, but you didn't write this
* code, did you ? - So, keep the message in here.
*/
if (!notice)
{
#ifdef VDDRV
printf("%s: Copyright (C) 1991-2005, Frank Kardel\n", parsesync_vd.Drv_name);
#else
printf("%s: Copyright (C) 1991-2005, Frank Kardel\n", "parsestreams.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A");
#endif
notice = 1;
}
return MODOPEN;
}
else
{
kmem_free((caddr_t)parse, sizeof(parsestream_t));
#ifdef VDDRV
parsebusy--;
#endif
return OPENFAIL;
}
}
/*ARGSUSED*/
static int
parseopen(
queue_t *q,
dev_t *dev,
int flag,
int sflag,
cred_t *credp
)
{
register parsestream_t *parse;
static int notice = 0;
pprintf(DD_OPEN, "parse: OPEN - q=%x\n", q);
if (sflag != MODOPEN)
{ /* open only for modules */
pprintf(DD_OPEN, "parse: OPEN - FAILED - not MODOPEN\n");
return EIO;
}
if (q->q_ptr != (caddr_t)NULL)
{
pprintf(DD_OPEN, "parse: OPEN - FAILED - EXCLUSIVE ONLY\n");
return EBUSY;
}
q->q_ptr = (caddr_t)kmem_alloc(sizeof(parsestream_t), KM_SLEEP);
if (q->q_ptr == (caddr_t)0)
{
return ENOMEM;
}
pprintf(DD_OPEN, "parse: OPEN - parse area q=%x, q->q_ptr=%x\n", q, q->q_ptr);
WR(q)->q_ptr = q->q_ptr;
pprintf(DD_OPEN, "parse: OPEN - WQ parse area q=%x, q->q_ptr=%x\n", WR(q), WR(q)->q_ptr);
parse = (parsestream_t *) q->q_ptr;
bzero((caddr_t)parse, sizeof(*parse));
parse->parse_queue = q;
parse->parse_status = PARSE_ENABLE;
parse->parse_ppsclockev.tv.tv_sec = 0;
parse->parse_ppsclockev.tv.tv_usec = 0;
parse->parse_ppsclockev.serial = 0;
qprocson(q);
pprintf(DD_OPEN, "parse: OPEN - initializing io subsystem q=%x\n", q);
if (!parse_ioinit(&parse->parse_io))
{
/*
* ok guys - beat it
*/
qprocsoff(q);
kmem_free((caddr_t)parse, sizeof(parsestream_t));
return EIO;
}
pprintf(DD_OPEN, "parse: OPEN - initializing stream q=%x\n", q);
if (setup_stream(q, M_PARSE))
{
(void) init_linemon(q); /* hook up PPS ISR routines if possible */
pprintf(DD_OPEN, "parse: OPEN - SUCCEEDED\n");
/*
* I know that you know the delete key, but you didn't write this
* code, did you ? - So, keep the message in here.
*/
if (!notice)
{
cmn_err(CE_CONT, "?%s: Copyright (c) 1993-2005, Frank Kardel\n", modlstrmod.strmod_linkinfo);
notice = 1;
}
return 0;
}
else
{
qprocsoff(q);
kmem_free((caddr_t)parse, sizeof(parsestream_t));
return EIO;
}
}