參數(shù)資料
型號: LSI53C895
英文描述: LSI53C895 PCI to Ultra2 SCSI I/O Processor with LVD Link Universal Transceivers technical manual v3.2 12/00
中文描述: LSI53C895 PCI到Ultra2的SCSI I / O處理器與內(nèi)徑鏈接通用收發(fā)器技術(shù)手冊v3.2版12/00
文件頁數(shù): 68/166頁
文件大?。?/td> 1330K
代理商: LSI53C895
3-20
SAF-TE Source Code
Table 3.4
Switch Name and Action
Options
Action if TRUE
CODE_LOAD_ENABLED
Enable support for microcode downloads over
the SCSI bus.
DMA_DATA_IN_ENABLED
Define the method of sending data over the
SCSI bus (choices are using software or using
DMA).
DMA_COMMAND_ENABLED
Defines the method of receiving CDB data over
the SCSI bus (choices are using software or
using DMA).
STATS_ENABLED
Controls the inclusion of statistics gathering
and reporting by this code.
DEBUG_ENABLED
Controls the inclusion of debugging code that is
used to print information for developers looking
for problems in this code. This conditional
should only be used in code that does
not
run
at interrupt level.
DEBUG_SCSI_ENABLED
Controls the inclusion of debugging code that is
used to print information for developers looking
for problems in the SCSI code. This conditional
should only be used in code that is part of the
SCSI interrupt service routine.
Note:
DEBUG_ENABLED and
DEBUG_SCSI_ENABLED cannot be used at
the same time, because this would cause the
printf
library routine to be called from both
the background process and the SCSI interrupt
routine. This means that the
printf
routine is
not re-entrant.
ZERO_CHECK_ENABLED
Controls the inclusion of code that checks
reserved (or must be zero) fields of the SCSI
and SEP commands. This code should be
included in the final code but could be removed
to save space and/or execution time. Thus, its
only real purpose is to reject otherwise valid
commands; removing this code would violate
the SCSI specification, but the code would still
“get the job done.”
PRINT_STATS_ENABLED
Controls the printing of statistics collected when
the STATS_ENABLED option (above) is true.
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