UMAD_GET_ISSM_PATH
Section: OpenIB Programmer's Manual (3)
Updated: Oct 18, 2007
Page Index
NAME
umad_get_issm_path - get path of issm device
SYNOPSIS
#include <infiniband/umad.h>
int umad_get_issm_path(char *ca_name, int portnum,char*path,intmax);
DESCRIPTION
umad_get_issm_path()
resolves path to issm device (which used for setting/clearing PortInfo:CapMask IsSM bit) for
portnum
of the IB device
ca_name
, it stores resolved path in
path
array which cannot exceed
max
bytes in length (including NULL terminator).
Opening issm device sets PortInfo:CapMask IsSM bit and closing clears it.
RETURN VALUE
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
portnum
or no umad device)
SEE ALSO
umad_open_port(3),
umad_get_port(3)
AUTHOR
- Sasha Khapyorsky <sashak@voltaire.com>
-