UMAD_GET_ISSM_PATH - Online Linux Manual PageSection : 3
Updated : Oct 18, 2007
Source : OpenIB
Note : OpenIB Programmer's Manual

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NAMEumad_get_issm_path − get path of issm device

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SYNOPSIS#include <infiniband/umad.h> int umad_get_issm_path(char *ca_name, int portnum,char*path,intmax);

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DESCRIPTIONumad_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). .fi Opening issm device sets PortInfo:CapMask IsSM bit and closing clears it. .fi

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RETURN VALUEumad_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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SEE ALSOumad_open_port(3), umad_get_port(3)

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AUTHORSasha Khapyorsky <sashak@voltaire.com> 0

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Johanes Gumabo

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ERROR : Need New Coding :         (rof_fi|19|umad_get_issm_path.3|24|1|.fi )         (rof_fi|19|umad_get_issm_path.3|26|1|.fi )         (rof_TP|38|umad_get_issm_path.3|39|EOF|Sasha Khapyorsky )    

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