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   umad_get_issm_path    ( 3 )

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Имя (Name)

umad_get_issm_path - get path of issm device

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Синопсис (Synopsis)

#include <infiniband/umad.h>

int umad_get_issm_path(char *ca_name, int portnum,char*path,intmax);

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Описание (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.

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Возвращаемое значение (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)

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Смотри также (See also)

umad_open_port(3), umad_get_port(3)

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