Add channel access mode check for ipmi commands.

Check the channel access mode and reject the
network ipmi commands, if its disabled.

Tested:
 - Disabled channel access mode and network
   ipmi commands fails over the same lan channel.
   #ipmitool raw 0x06 0x40 0x03 0x80 0x44

 - Set channel access mode to always available and ipmi
   commands works fine over same lan channel.
   #ipmitool raw 0x06 0x40 0x03 0x82 0x44

 - Set non-volatile channel access mode to disabled,
   reset bmc and ipmi commands fails over same lan channel.
   #ipmitool raw 0x06 0x40 0x03 0x40 0x44

Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com>
Change-Id: I44da4e8388b56e5ab7be3aa0e5d20b803a984668
1 file changed