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UMAD_OPEN_PORT

UMAD_OPEN_PORT

Section: OpenIB Programmer's Manual (3) Updated: May 21, 2007
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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>


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
AUTHOR

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Time: 21:57:55 GMT, April 16, 2011