to be used for any device. The aic7xxx driver will automatically
vary this number based on device behavior. For devices with a
fixed maximum, the driver will eventually lock to this maximum
- and display a console message inidicating this value.
+ and display a console message indicating this value.
Due to resource allocation issues in the Linux SCSI mid-layer, using
a high number of commands per device may result in memory allocation
failures when many devices are attached to the system. For this reason,
- the default is set to 32. Higher values may result in higer performance
+ the default is set to 32. Higher values may result in higher performance
on some devices. The upper bound is 253. 0 disables tagged queueing.
Per device tag depth can be controlled via the kernel command line
or modify the assembler Makefile or the files it includes if your
build environment is different than that of the author.
-config AIC79XX_ENABLE_RD_STRM
- bool "Enable Read Streaming for All Targets"
- depends on SCSI_AIC79XX
- default n
- help
- Read Streaming is a U320 protocol option that should enhance
- performance. Early U320 drive firmware actually performs slower
- with read streaming enabled so it is disabled by default. Read
- Streaming can be configured in much the same way as tagged queueing
- using the "rd_strm" command line option. See
- drivers/scsi/aic7xxx/README.aic79xx for details.
-
config AIC79XX_DEBUG_ENABLE
bool "Compile in Debugging Code"
depends on SCSI_AIC79XX
projects / linux-2.6-omap-h63xx.git / blobdiff