umad_open_port man page on Scientific

umad_open_port man page on Scientific

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UMAD_OPEN_PORT(3)	  OpenIB Programmer´s Manual	     UMAD_OPEN_PORT(3)

NAME
       umad_open_port - open InfiniBand device port for umad access

SYNOPSIS
       #include <infiniband/umad.h>

       int umad_open_port(char *ca_name, int portnum);

DESCRIPTION
       umad_open_port()	 opens	the  port portnum of the IB device ca_name for
       umad access. The port is selected by the library if not all  parameters
       are provided (see umad_get_port() for details).

RETURN VALUE
       umad_open_port()	 returns  0 or an unique positive value of umad device
       descriptor 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)
	-EIO	umad device for this port can´t be opened

SEE ALSO
       umad_close_port(3), umad_get_cas_names(3), umad_get_port(3)

AUTHOR
       Hal Rosenstock <halr@voltaire.com>

OpenIB				 May 21, 2007		     UMAD_OPEN_PORT(3)

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