James,
Now that we are finishing up development for our esas2r driver, we are
planning to start work on a kernel driver for our PM8001 based 6G
SAS/SATA HBA product. We have some questions about the best way to proceed.
While we haven't done thorough testing, our hardware appears to work
with the existing PM8001 kernel driver. The problem is that the
existing kernel driver doesn't support all the features of the hardware
or match the feature set of the current closed source driver. For
example, our closed source driver supports SES emulation over I2C and
SGPIO. Our closed source driver also has custom PHY settings to support
longer cable lengths. We also have a set of propriety management tools
we'd like to work with the open source driver, though it looks like the
PM8001's sysfs interface provides most of the functionality we need.
What are our options for supporting these features? I see that Adaptec
had an out-of-tree driver for their PM8001 card that supports additional
features. We'd prefer to have a kernel driver that fully supports our
hardware, either based on the existing PM8001 driver or our closed
source code base. Is that possible?
--
Bradley Grove
System Software Engineer
ATTO Technology, Inc.
Phone: +1.716.691.1999 ext. 144
Fax +1.716.691.9353
"Powering the World's Networks & Storage"
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