State: Add chassis system instance
Adding a new instance to chassis named as chassis_system which will be
reffered to a complete chassis of system and will include chassis,
host and BMC.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Change-Id: Id71688f050757c6605aa9c1d79e62b9db42e194b
diff --git a/xyz/openbmc_project/State/README.md b/xyz/openbmc_project/State/README.md
index 0f59607..8bbf447 100644
--- a/xyz/openbmc_project/State/README.md
+++ b/xyz/openbmc_project/State/README.md
@@ -56,6 +56,18 @@
The *Chassis* would provide interfaces at
`/xyz/openbmc_project/state/chassis<instance>`
+### *Chassis System*
+This is an instance under *Chassis* and provide interface at
+`/xyz/openbmc_project/state/chassis_system<instance>`
+
+Instance 0 (chassis_system0) will be treated as a complete chassis system
+which will include BMC, host and chassis. This will support hard power
+cycle of complete system.
+
+In multi-host or multi-chassis system, instance number can be used from
+1-N, as 0 is reserved for complete system. In multi chassis system this
+can be named as chassis_system1 to chassis_systemN
+
## BMC to Host to Chassis Mapping
In the future, OpenBMC will provide an association API, which allows one