.\" -*- nroff -*-
.\" Licensed under the OpenIB.org BSD license (FreeBSD Variant) - See COPYING.md
.\"
.TH UMAD_GET_ISSM_PATH 3  "Oct 18, 2007" "OpenIB" "OpenIB Programmer's Manual"
.SH "NAME"
umad_get_issm_path \- get path of issm device
.SH "SYNOPSIS"
.nf
.B #include <infiniband/umad.h>
.sp
.BI "int umad_get_issm_path(char " "*ca_name" ", int " "portnum", char *path, int max);
.fi
.SH "DESCRIPTION"
.B umad_get_issm_path()
resolves path to issm device (which used for setting/clearing PortInfo:CapMask IsSM bit) for
.I portnum
of the IB device
.I ca_name
, it stores resolved path in
.I path
array which cannot exceed
.I max
bytes in length (including NULL terminator).
.fi
Opening issm device sets PortInfo:CapMask IsSM bit and closing clears it.
.fi
.SH "RETURN VALUE"
.B umad_open_port()
returns 0 on success and a negative value on error as follows:
 -ENODEV IB device can't be resolved
 -EINVAL port is not valid (bad
.I portnum\fR
or no umad device)
.SH "SEE ALSO"
.BR umad_open_port (3),
.BR umad_get_port (3)
.SH "AUTHOR"
.TP
Sasha Khapyorsky <sashak@voltaire.com>