.\" Copyright 2018 IBM Corp.
.\"
.TH CXL_WORK_ENABLE_WAIT 3 2018-04-24 "LIBCXL 1.6" "CXL Programmer's Manual"
.SH NAME
cxl_work_enable_wait \- indicate that a host thread will wait
.SH SYNOPSIS
.B #include <libcxl.h>
.PP
.B "int cxl_work_enable_wait(struct cxl_ioctl_start_work"
.BI * work );
.SH DESCRIPTION
The tunneled operation as_notify is supported on POWER9. See
.BR cxl_get_tunneled_ops_supported ().
.PP
.BR cxl_work_enable_wait ()
indicates in the
.I work
structure allocated by
.BR cxl_work_alloc (),
that the thread that will attach an AFU context with
.BR cxl_afu_attach_work ()
requires to be able to wait and be notified by the AFU with
.BR cxl_afu_host_thread_wait ().
.SH RETURN VALUE
On success, 0 is returned.
On error, \-1 is returned and
.I errno
is set appropriately.
.SH ERRORS
.TP
.B EINVAL
Invalid argument value.
.SH SEE ALSO
.BR cxl (3),
.BR cxl_afu_attach_work (3),
.BR cxl_afu_host_thread_wait (3),
.BR cxl_get_tunneled_ops_supported (3),
.BR cxl_work_alloc (3),
.BR cxl_work_disable_wait (3),
.BR cxl_work_get_tid (3)