Symbol: ASYNC_SW_IN_FLOW
usr/src/uts/common/sys/asy.h
447
ASYNC_SW_IN_FLOW = 1 << 17, /* sw input flow control in effect */
usr/src/uts/common/xen/io/xencons.h
183
#define ASYNC_SW_IN_FLOW 0x00020000 /* sw input flow control in effect */