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Adjust scsi_calc_syncparam() to the exception table changing from 10ths to

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100ths of ns.  This should correct a problem with camcontrol "ignoring"
requests to negotiate to slower speeds.
This commit is contained in:
gibbs 2002-08-26 17:13:35 +00:00
parent 10daa52caa
commit fb0f9448fc
1 changed files with 4 additions and 2 deletions
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6
sys/cam/scsi/scsi_all.c
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@ -2305,12 +2305,14 @@ scsi_calc_syncparam(u_int period)
if (period == 0) if (period == 0)
return (~0); /* Async */ return (~0); /* Async */
/* Adjust for exception table being in 100ths. */
period *= 10;
num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]); num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]);
/* See if the period is in the "exception" table */ /* See if the period is in the "exception" table */
for (i = 0; i < num_syncrates; i++) { for (i = 0; i < num_syncrates; i++) {
if (period <= scsi_syncrates[i].period) { if (period <= scsi_syncrates[i].period) {
/* Period in kHz */ /* Period in 100ths of ns */
return (scsi_syncrates[i].period_factor); return (scsi_syncrates[i].period_factor);
} }
} }
@ -2319,7 +2321,7 @@ scsi_calc_syncparam(u_int period)
* Wasn't in the table, so use the standard * Wasn't in the table, so use the standard
* 1/4 period in ns conversion. * 1/4 period in ns conversion.
*/ */
return (period/40); return (period/400);
} }
void void