Shreyas Bhatewara wrote:
On Wed, Dec 16, 2009 at 2:08 PM, Darren J Moffat
<darr...@opensolaris.org <mailto:darr...@opensolaris.org>> wrote:
Shreyas Bhatewara wrote:
Folks,
I am writing a device driver for current and past versions of
(Open)Solaris
How can I check the version of the running kernel in the driver
code ? I tried using utsname.version (/.release) but it does not
exist for Solaris 10 or older kernels. Is there any other
literal/variable which spans current and old Solaris kernels
which can give the kernel version/ release information ? For Eg
: linux has LINUX_VERSION_CODE
Why do you think you need to do that ?
Unlike Linux Solaris has a very very stable API and ABI for device
drivers.
Yes, I certainly agree to that.
Recently, I am trying to compile the driver with a literal : MAC_VERSION
(this is a nic driver) and somehow the compilation fails to get latest
value of this literal (post b111 MAC_VERSION is 2, earlier it was 1). I
completely fail to understand where the compilation gets (wrong ) value
of MAC_VERSION. It does not exist in /usr/include/sys and the file
mac_provider.h does not exist on the Opensolaris machine anywhere.
Fed up of solving this problem, I decided to use the versioin number.
if (version < 111)
mac_version = 1;
else
mac_version = 2;
You are attempting to use a private interface not covered as part of the
DDI (Device Driver Interface). That interface is being made Committed
now see:
http://arc.opensolaris.org/caselog/PSARC/2009/638/proposal.txt
--
Darren J Moffat
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