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If the timeout handler runs and notices that commands are timed out, check

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the firmware status register on the card to see if the firmware is still
running.  There is no way to recover from this, but at least it can give
a hint as whether the car has crashed (which happens all too often).

MFC after: 3 days
This commit is contained in:
Scott Long 2004-09-16 02:37:40 +00:00
parent ee9e2737a1
commit 15c37be013
2 changed files with 11 additions and 0 deletions
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10
sys/dev/aac/aac.c
View File

@ -1992,11 +1992,13 @@ aac_timeout(struct aac_softc *sc)
{
struct aac_command *cm;
time_t deadline;
int timedout, code;
/*
* Traverse the busy command list, bitch about late commands once
* only.
*/
timedout = 0;
deadline = time_second - AAC_CMD_TIMEOUT;
TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
if ((cm->cm_timestamp < deadline)
@ -2006,9 +2008,17 @@ aac_timeout(struct aac_softc *sc)
"COMMAND %p TIMEOUT AFTER %d SECONDS\n",
cm, (int)(time_second-cm->cm_timestamp));
AAC_PRINT_FIB(sc, cm->cm_fib);
timedout++;
}
}
if (timedout) {
code = AAC_GET_FWSTATUS(sc);
if (code != AAC_UP_AND_RUNNING) {
device_printf(sc->aac_dev, "WARNING! Controller is no "
"longer running! code= 0x%x\n", code);
}
}
return;
}

1
sys/dev/aac/aacreg.h
View File

@ -551,6 +551,7 @@ struct aac_adapter_info {
* state of the adapter.
*/
#define AAC_SELF_TEST_FAILED 0x00000004
#define AAC_MONITOR_PANIC 0x00000020
#define AAC_UP_AND_RUNNING 0x00000080
#define AAC_KERNEL_PANIC 0x00000100