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Interrupt immediately after xmit and rcv instead of doing a poll.

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This commit is contained in:
Jim
2011-08-14 23:53:12 -04:00
parent b1bb5c9a3c
commit e4dfa3fade
1 changed files with 6 additions and 7 deletions
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13
devpnc.h
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@@ -884,6 +884,7 @@ int devpnc (int class, int func, int device) {
fatal(NULL);
}
TRACE(T_RIO, "PNC configured\n");
devpoll[device] = PNCPOLL*gvp->instpermsec;
return 0;
case 0:
@@ -1037,7 +1038,7 @@ int devpnc (int class, int func, int device) {
IOSKIP;
rcvstat = PNCRSBUSY; /* set receive busy */
pncinitdma(&rcv, "rcv");
devpoll[device] = 10; /* quick poll following recv */
goto intrexit; /* try read & maybe interrupt */
} else if (func == 015) { /* initiate xmit, dma chan in A */
if (!(pncstat & PNCNSCONNECTED)) {
@@ -1100,7 +1101,7 @@ int devpnc (int class, int func, int device) {
}
pncstat |= PNCNSXMITINT; /* set xmit interrupt */
pncstat |= PNCNSTOKEN; /* and token seen */
devpoll[device] = 10; /* quick poll following xmit */
goto intrexit; /* rcv & interrupt following xmit */
} else if (func == 016) { /* set interrupt vector */
pncvec = crs[A];
@@ -1121,16 +1122,14 @@ int devpnc (int class, int func, int device) {
case 4:
TRACE(T_RIO, " POLL '%02o%02o\n", func, device);
devpoll[device] = PNCPOLL*gvp->instpermsec;
time(&timenow);
pncaccept(timenow); /* accept 1 new connection each poll */
pncconnect(timenow); /* try to connect to a disconnected node */
intrexit:
if (rcv.state == PNCBSRDY)
pncrecv(timenow); /* try to read from a node */
/* set default repoll and take any pending interrupt */
devpoll[device] = PNCPOLL*gvp->instpermsec;
if (enabled && (pncstat & 0xC000)) {
if (gvp->intvec == -1)
gvp->intvec = pncvec;