Merged from sys/dev/sio/sio.c revisions 1.370 and 1.371.

This commit is contained in:
Yoshihiro Takahashi 2002-04-06 06:19:10 +00:00
parent 9281a1bd5f
commit dda7d4dcec
2 changed files with 108 additions and 20 deletions

View file

@ -133,6 +133,7 @@
#include <sys/rman.h>
#include <sys/timetc.h>
#include <sys/timepps.h>
#include <sys/uio.h>
#include <isa/isavar.h>
@ -163,8 +164,10 @@
#define CONTROL_INIT_STATE 0x20
#define CONTROL_LOCK_STATE 0x40
#define DEV_TO_UNIT(dev) (MINOR_TO_UNIT(minor(dev)))
#define MINOR_MAGIC_MASK (CALLOUT_MASK | CONTROL_MASK)
#define MINOR_TO_UNIT(mynor) ((mynor) & ~MINOR_MAGIC_MASK)
#define MINOR_TO_UNIT(mynor) ((((mynor) & ~0xffffU) >> (8 + 3)) \
| ((mynor) & 0x1f))
#define UNIT_TO_MINOR(unit) ((((unit) & ~0x1fU) << (8 + 3)) \
| ((unit) & 0x1f))
#ifdef COM_MULTIPORT
/* checks in flags for multiport and which is multiport "master chip"
@ -1414,6 +1417,7 @@ sioattach(dev, xrid, rclk)
Port_t *espp;
#endif
Port_t iobase;
int minorbase;
int unit;
u_int flags;
int rid;
@ -1791,19 +1795,20 @@ determined_type: ;
swi_add(&clk_ithd, "tty:sio", siopoll, NULL, SWI_TTY, 0,
&sio_slow_ih);
}
com->devs[0] = make_dev(&sio_cdevsw, unit,
minorbase = UNIT_TO_MINOR(unit);
com->devs[0] = make_dev(&sio_cdevsw, minorbase,
UID_ROOT, GID_WHEEL, 0600, "ttyd%r", unit);
com->devs[1] = make_dev(&sio_cdevsw, unit | CONTROL_INIT_STATE,
com->devs[1] = make_dev(&sio_cdevsw, minorbase | CONTROL_INIT_STATE,
UID_ROOT, GID_WHEEL, 0600, "ttyid%r", unit);
com->devs[2] = make_dev(&sio_cdevsw, unit | CONTROL_LOCK_STATE,
com->devs[2] = make_dev(&sio_cdevsw, minorbase | CONTROL_LOCK_STATE,
UID_ROOT, GID_WHEEL, 0600, "ttyld%r", unit);
com->devs[3] = make_dev(&sio_cdevsw, unit | CALLOUT_MASK,
com->devs[3] = make_dev(&sio_cdevsw, minorbase | CALLOUT_MASK,
UID_UUCP, GID_DIALER, 0660, "cuaa%r", unit);
com->devs[4] = make_dev(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_INIT_STATE,
minorbase | CALLOUT_MASK | CONTROL_INIT_STATE,
UID_UUCP, GID_DIALER, 0660, "cuaia%r", unit);
com->devs[5] = make_dev(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_LOCK_STATE,
minorbase | CALLOUT_MASK | CONTROL_LOCK_STATE,
UID_UUCP, GID_DIALER, 0660, "cuala%r", unit);
com->flags = flags;
com->pps.ppscap = PPS_CAPTUREASSERT | PPS_CAPTURECLEAR;
@ -2520,6 +2525,39 @@ siointr(arg)
#endif /* COM_MULTIPORT */
}
static struct timespec siots[8192];
static int siotso;
static int volatile siotsunit = -1;
static int
sysctl_siots(SYSCTL_HANDLER_ARGS)
{
char buf[128];
long long delta;
size_t len;
int error, i;
for (i = 1; i < siotso; i++) {
delta = (long long)(siots[i].tv_sec - siots[i - 1].tv_sec) *
1000000000 +
(siots[i].tv_nsec - siots[i - 1].tv_nsec);
len = sprintf(buf, "%lld\n", delta);
if (delta >= 110000)
len += sprintf(buf + len - 1, ": *** %ld.%09ld\n",
(long)siots[i].tv_sec, siots[i].tv_nsec);
if (i == siotso - 1)
buf[len - 1] = '\0';
error = SYSCTL_OUT(req, buf, len);
if (error != 0)
return (error);
uio_yield();
}
return (0);
}
SYSCTL_PROC(_machdep, OID_AUTO, siots, CTLTYPE_STRING | CTLFLAG_RD,
0, 0, sysctl_siots, "A", "sio timestamps");
static void
siointr1(com)
struct com_s *com;
@ -2789,7 +2827,7 @@ cont:
#endif
ioptr = com->obufq.l_head;
if (com->tx_fifo_size > 1) {
if (com->tx_fifo_size > 1 && com->unit != siotsunit) {
u_int ocount;
ocount = com->obufq.l_tail - ioptr;
@ -2820,6 +2858,11 @@ cont:
outb(com->data_port, *ioptr++);
#endif
++com->bytes_out;
if (com->unit == siotsunit) {
nanouptime(&siots[siotso]);
siotso = (siotso + 1) %
(sizeof siots / sizeof siots[0]);
}
}
#ifdef PC98
if (IS_8251(com->pc98_if_type))
@ -3299,7 +3342,8 @@ comparam(tp, t)
* is delayed. At high speeds, FIFO_RX_HIGH does not
* leave enough slots free.
*/
com->fifo_image = t->c_ospeed <= 4800
com->fifo_image = com->unit == siotsunit ? 0
: t->c_ospeed <= 4800
? FIFO_ENABLE : FIFO_ENABLE | FIFO_RX_MEDH;
#ifdef COM_ESP
/*

View file

@ -133,6 +133,7 @@
#include <sys/rman.h>
#include <sys/timetc.h>
#include <sys/timepps.h>
#include <sys/uio.h>
#include <isa/isavar.h>
@ -163,8 +164,10 @@
#define CONTROL_INIT_STATE 0x20
#define CONTROL_LOCK_STATE 0x40
#define DEV_TO_UNIT(dev) (MINOR_TO_UNIT(minor(dev)))
#define MINOR_MAGIC_MASK (CALLOUT_MASK | CONTROL_MASK)
#define MINOR_TO_UNIT(mynor) ((mynor) & ~MINOR_MAGIC_MASK)
#define MINOR_TO_UNIT(mynor) ((((mynor) & ~0xffffU) >> (8 + 3)) \
| ((mynor) & 0x1f))
#define UNIT_TO_MINOR(unit) ((((unit) & ~0x1fU) << (8 + 3)) \
| ((unit) & 0x1f))
#ifdef COM_MULTIPORT
/* checks in flags for multiport and which is multiport "master chip"
@ -1414,6 +1417,7 @@ sioattach(dev, xrid, rclk)
Port_t *espp;
#endif
Port_t iobase;
int minorbase;
int unit;
u_int flags;
int rid;
@ -1791,19 +1795,20 @@ determined_type: ;
swi_add(&clk_ithd, "tty:sio", siopoll, NULL, SWI_TTY, 0,
&sio_slow_ih);
}
com->devs[0] = make_dev(&sio_cdevsw, unit,
minorbase = UNIT_TO_MINOR(unit);
com->devs[0] = make_dev(&sio_cdevsw, minorbase,
UID_ROOT, GID_WHEEL, 0600, "ttyd%r", unit);
com->devs[1] = make_dev(&sio_cdevsw, unit | CONTROL_INIT_STATE,
com->devs[1] = make_dev(&sio_cdevsw, minorbase | CONTROL_INIT_STATE,
UID_ROOT, GID_WHEEL, 0600, "ttyid%r", unit);
com->devs[2] = make_dev(&sio_cdevsw, unit | CONTROL_LOCK_STATE,
com->devs[2] = make_dev(&sio_cdevsw, minorbase | CONTROL_LOCK_STATE,
UID_ROOT, GID_WHEEL, 0600, "ttyld%r", unit);
com->devs[3] = make_dev(&sio_cdevsw, unit | CALLOUT_MASK,
com->devs[3] = make_dev(&sio_cdevsw, minorbase | CALLOUT_MASK,
UID_UUCP, GID_DIALER, 0660, "cuaa%r", unit);
com->devs[4] = make_dev(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_INIT_STATE,
minorbase | CALLOUT_MASK | CONTROL_INIT_STATE,
UID_UUCP, GID_DIALER, 0660, "cuaia%r", unit);
com->devs[5] = make_dev(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_LOCK_STATE,
minorbase | CALLOUT_MASK | CONTROL_LOCK_STATE,
UID_UUCP, GID_DIALER, 0660, "cuala%r", unit);
com->flags = flags;
com->pps.ppscap = PPS_CAPTUREASSERT | PPS_CAPTURECLEAR;
@ -2520,6 +2525,39 @@ siointr(arg)
#endif /* COM_MULTIPORT */
}
static struct timespec siots[8192];
static int siotso;
static int volatile siotsunit = -1;
static int
sysctl_siots(SYSCTL_HANDLER_ARGS)
{
char buf[128];
long long delta;
size_t len;
int error, i;
for (i = 1; i < siotso; i++) {
delta = (long long)(siots[i].tv_sec - siots[i - 1].tv_sec) *
1000000000 +
(siots[i].tv_nsec - siots[i - 1].tv_nsec);
len = sprintf(buf, "%lld\n", delta);
if (delta >= 110000)
len += sprintf(buf + len - 1, ": *** %ld.%09ld\n",
(long)siots[i].tv_sec, siots[i].tv_nsec);
if (i == siotso - 1)
buf[len - 1] = '\0';
error = SYSCTL_OUT(req, buf, len);
if (error != 0)
return (error);
uio_yield();
}
return (0);
}
SYSCTL_PROC(_machdep, OID_AUTO, siots, CTLTYPE_STRING | CTLFLAG_RD,
0, 0, sysctl_siots, "A", "sio timestamps");
static void
siointr1(com)
struct com_s *com;
@ -2789,7 +2827,7 @@ cont:
#endif
ioptr = com->obufq.l_head;
if (com->tx_fifo_size > 1) {
if (com->tx_fifo_size > 1 && com->unit != siotsunit) {
u_int ocount;
ocount = com->obufq.l_tail - ioptr;
@ -2820,6 +2858,11 @@ cont:
outb(com->data_port, *ioptr++);
#endif
++com->bytes_out;
if (com->unit == siotsunit) {
nanouptime(&siots[siotso]);
siotso = (siotso + 1) %
(sizeof siots / sizeof siots[0]);
}
}
#ifdef PC98
if (IS_8251(com->pc98_if_type))
@ -3299,7 +3342,8 @@ comparam(tp, t)
* is delayed. At high speeds, FIFO_RX_HIGH does not
* leave enough slots free.
*/
com->fifo_image = t->c_ospeed <= 4800
com->fifo_image = com->unit == siotsunit ? 0
: t->c_ospeed <= 4800
? FIFO_ENABLE : FIFO_ENABLE | FIFO_RX_MEDH;
#ifdef COM_ESP
/*