.\" Copyright 2015-2017 IBM Corp.
.\"
.TH CXL_MMIO_PTR 3 2017-05-24 "LIBCXL 1.5" "CXL Programmer's Manual"
.SH NAME
cxl_mmio_ptr \- return the address of the mapped AFU Problem State Area
.SH SYNOPSIS
.B #include <libcxl.h>
.PP
.B "int cxl_mmio_ptr(struct cxl_afu_h"
.BI * afu ", void **" mmio_ptr );
.SH DESCRIPTION
.BR cxl_mmio_ptr ()
copies the address of the mapped Problem State Area of
.I afu
to the pointer
.IR mmio_ptr .
.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, or MMIO space not mapped.
.TP
.B ENOMEM
Insufficient memory.
.SH SEE ALSO
.BR cxl (3),
.BR cxl_get_mmio_size (3),
.BR cxl_mmio_map (3),
.BR cxl_mmio_read32 (3),
.BR cxl_mmio_read64 (3),
.BR cxl_mmio_unmap (3),
.BR cxl_mmio_write32 (3),
.BR cxl_mmio_write64 (3)