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Change the compiled-in polling parameters to a sysctl setting.

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This commit is contained in:
Peter Wemm 1996-05-05 17:09:04 +00:00
parent f519e3067e
commit 34914e50d4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=15639
2 changed files with 22 additions and 14 deletions
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18
sys/dev/si/si.c
View File

@ -30,7 +30,7 @@
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHORS BE LIABLE.
*
* $Id: si.c,v 1.36 1996/01/25 07:21:33 phk Exp $
* $Id: si.c,v 1.37 1996/03/28 14:28:51 scrappy Exp $
*/
#ifndef lint
@ -82,9 +82,10 @@ static char si_copyright1[] = "@(#) (C) Specialix International, 1990,1992",
*/
#define POLL /* turn on poller to generate buffer empty interrupt */
#undef FASTPOLL /* turn on 100Hz poller, (XXX: NOTYET!) */
#define SI_DEF_HWFLOW /* turn on default CRTSCTS flow control */
#define SI_I_HIGH_WATER (TTYHOG - 2 * SI_BUFFERSIZE)
#define INT_COUNT 25000 /* max of 125 ints per second */
#define RXINT_COUNT 1 /* one rxint per 10 milliseconds */
enum si_mctl { GET, SET, BIS, BIC };
@ -227,7 +228,10 @@ static int si_default_cflag = TTYDEF_CFLAG;
#endif
#ifdef POLL
#define POLL_INTERVAL (hz/2)
static int si_pollrate = (hz / 10); /* 10 per second, in addition to irq */
SYSCTL_INT(_machdep, OID_AUTO, si_pollrate, CTLFLAG_RD, &si_pollrate, 0, "");
static int init_finished = 0;
static int fastpoll = 0;
static void si_poll __P((void *));
@ -560,9 +564,9 @@ siattach(id)
return 0;
case 1:
/* set throttle to 125 intr per second */
regp->int_count = 25000;
regp->int_count = INT_COUNT;
/* rx intr max of 25 timer per second */
regp->rx_int_count = 4;
regp->rx_int_count = RXINT_COUNT;
regp->int_pending = 0; /* no intr pending */
regp->int_scounter = 0; /* reset counter */
break;
@ -761,7 +765,7 @@ siopen(dev, flag, mode, p)
* We've now got a device, so start the poller.
*/
if (init_finished == 0) {
timeout(si_poll, (caddr_t)0L, POLL_INTERVAL);
timeout(si_poll, (caddr_t)0L, si_pollrate);
init_finished = 1;
}
#endif
@ -1733,7 +1737,7 @@ si_poll(void *nothing)
out:
splx(oldspl);
timeout(si_poll, (caddr_t)0L, POLL_INTERVAL);
timeout(si_poll, (caddr_t)0L, si_pollrate);
}
#endif /* ifdef POLL */

18
sys/i386/isa/si.c
View File

@ -30,7 +30,7 @@
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHORS BE LIABLE.
*
* $Id: si.c,v 1.36 1996/01/25 07:21:33 phk Exp $
* $Id: si.c,v 1.37 1996/03/28 14:28:51 scrappy Exp $
*/
#ifndef lint
@ -82,9 +82,10 @@ static char si_copyright1[] = "@(#) (C) Specialix International, 1990,1992",
*/
#define POLL /* turn on poller to generate buffer empty interrupt */
#undef FASTPOLL /* turn on 100Hz poller, (XXX: NOTYET!) */
#define SI_DEF_HWFLOW /* turn on default CRTSCTS flow control */
#define SI_I_HIGH_WATER (TTYHOG - 2 * SI_BUFFERSIZE)
#define INT_COUNT 25000 /* max of 125 ints per second */
#define RXINT_COUNT 1 /* one rxint per 10 milliseconds */
enum si_mctl { GET, SET, BIS, BIC };
@ -227,7 +228,10 @@ static int si_default_cflag = TTYDEF_CFLAG;
#endif
#ifdef POLL
#define POLL_INTERVAL (hz/2)
static int si_pollrate = (hz / 10); /* 10 per second, in addition to irq */
SYSCTL_INT(_machdep, OID_AUTO, si_pollrate, CTLFLAG_RD, &si_pollrate, 0, "");
static int init_finished = 0;
static int fastpoll = 0;
static void si_poll __P((void *));
@ -560,9 +564,9 @@ siattach(id)
return 0;
case 1:
/* set throttle to 125 intr per second */
regp->int_count = 25000;
regp->int_count = INT_COUNT;
/* rx intr max of 25 timer per second */
regp->rx_int_count = 4;
regp->rx_int_count = RXINT_COUNT;
regp->int_pending = 0; /* no intr pending */
regp->int_scounter = 0; /* reset counter */
break;
@ -761,7 +765,7 @@ siopen(dev, flag, mode, p)
* We've now got a device, so start the poller.
*/
if (init_finished == 0) {
timeout(si_poll, (caddr_t)0L, POLL_INTERVAL);
timeout(si_poll, (caddr_t)0L, si_pollrate);
init_finished = 1;
}
#endif
@ -1733,7 +1737,7 @@ si_poll(void *nothing)
out:
splx(oldspl);
timeout(si_poll, (caddr_t)0L, POLL_INTERVAL);
timeout(si_poll, (caddr_t)0L, si_pollrate);
}
#endif /* ifdef POLL */