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Diffstat (limited to 'Documentation/scsi/hpsa.txt')
| -rw-r--r-- | Documentation/scsi/hpsa.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/scsi/hpsa.txt b/Documentation/scsi/hpsa.txt index dca658362cbf..b14e6ee00a95 100644 --- a/Documentation/scsi/hpsa.txt +++ b/Documentation/scsi/hpsa.txt @@ -28,6 +28,12 @@ boot parameter "hpsa_allow_any=1" is specified, however these are not tested nor supported by HP with this driver. For older Smart Arrays, the cciss driver should still be used. +The "hpsa_simple_mode=1" boot parameter may be used to prevent the driver from +putting the controller into "performant" mode. The difference is that with simple +mode, each command completion requires an interrupt, while with "performant mode" +(the default, and ordinarily better performing) it is possible to have multiple +command completions indicated by a single interrupt. + HPSA specific entries in /sys ----------------------------- |