SceSblSsSmComm

SceSblSsSmComm is a kernel module that is primary responsible for sending F00D commands.

sceSblSmCommStopSmForKernel
This function calls sceSblSmCommCallFuncForKernel with  as   and then calls sceSblSmSchedProxyWaitForKernel.

sceSblSmCommStartSmFromFileForKernel
cmd_id is the F00D command ID. For exemple in 0.940 ss_mgr.skprx, when loading "os0:sm/qaf_sm.self", cmd_id = -1, 0, 1, 4, 5, 6, 7.

sceSblSmCommCallFuncForKernel
sm_comm_context is described more here

f00d_resp comes from Request Buffer from offset 0x08

gc_param is generated by game card and has value 0x01

SceSblSsSmComm
This library is present on 1.69 but is not present on 3.60.