umad_get_issm_path(3) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | AUTHOR | COLOPHON

UMAD_GET_ISSM_PATH(3)    OpenIB Programmer's Manual    UMAD_GET_ISSM_PATH(3)

NAME         top

       umad_get_issm_path - get path of issm device

SYNOPSIS         top

       #include <infiniband/umad.h>

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

DESCRIPTION         top

       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.

RETURN VALUE         top

       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)

SEE ALSO         top

       umad_open_port(3), umad_get_port(3)

AUTHOR         top

       Sasha Khapyorsky <sashak@voltaire.com>

COLOPHON         top

       This page is part of the rdma-core (RDMA Core Userspace Libraries and
       Daemons) project.  Information about the project can be found at 
       ⟨https://github.com/linux-rdma/rdma-core⟩.  If you have a bug report
       for this manual page, send it to linux-rdma@vger.kernel.org.  This
       page was obtained from the project's upstream Git repository
       ⟨https://github.com/linux-rdma/rdma-core.git⟩ on 2020-09-18.  (At
       that time, the date of the most recent commit that was found in the
       repository was 2020-09-16.)  If you discover any rendering problems
       in this HTML version of the page, or you believe there is a better or
       more up-to-date source for the page, or you have corrections or
       improvements to the information in this COLOPHON (which is not part
       of the original manual page), send a mail to man-pages@man7.org

OpenIB                          Oct 18, 2007           UMAD_GET_ISSM_PATH(3)