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umad_open_port
Langue: en
Version: May 21, 2007 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
umad_open_port - open InfiniBand device port for umad accessSYNOPSIS
#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>
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