diff options
Diffstat (limited to 'drivers/scsi/mpt3sas/Kconfig')
| -rw-r--r-- | drivers/scsi/mpt3sas/Kconfig | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/scsi/mpt3sas/Kconfig b/drivers/scsi/mpt3sas/Kconfig index 18b64bce10cb..29061467cc17 100644 --- a/drivers/scsi/mpt3sas/Kconfig +++ b/drivers/scsi/mpt3sas/Kconfig @@ -41,15 +41,27 @@ # USA. config SCSI_MPT3SAS - tristate "LSI MPT Fusion SAS 3.0 Device Driver" + tristate "LSI MPT Fusion SAS 3.0 & SAS 2.0 Device Driver" depends on PCI && SCSI select SCSI_SAS_ATTRS select RAID_ATTRS ---help--- This driver supports PCI-Express SAS 12Gb/s Host Adapters. +config SCSI_MPT2SAS_MAX_SGE + int "LSI MPT Fusion SAS 2.0 Max number of SG Entries (16 - 256)" + depends on PCI && SCSI && SCSI_MPT3SAS + default "128" + range 16 256 + ---help--- + This option allows you to specify the maximum number of scatter- + gather entries per I/O. The driver default is 128, which matches + MAX_PHYS_SEGMENTS in most kernels. However in SuSE kernels this + can be 256. However, it may decreased down to 16. Decreasing this + parameter will reduce memory requirements on a per controller instance. + config SCSI_MPT3SAS_MAX_SGE - int "LSI MPT Fusion Max number of SG Entries (16 - 256)" + int "LSI MPT Fusion SAS 3.0 Max number of SG Entries (16 - 256)" depends on PCI && SCSI && SCSI_MPT3SAS default "128" range 16 256 |