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   umad_open_port    ( 3 )

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Имя (Name)

umad_open_port - open InfiniBand device port for umad access

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Синопсис (Synopsis)

#include <infiniband/umad.h>

       int umad_open_port(char *ca_name, int portnum);

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Описание (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).

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Возвращаемое значение (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:
        -EOPNOTSUPP ABI version doesn't match
        -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

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Смотри также (See also)

umad_close_port(3), umad_get_cas_names(3), umad_get_port(3)

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