3 .TH UMAD_GET_ISSM_PATH 3 "Oct 18, 2007" "OpenIB" "OpenIB Programmer\'s Manual"
5 umad_get_issm_path \- get path of issm device
8 .B #include <infiniband/umad.h>
10 .BI "int umad_get_issm_path(char " "*ca_name" ", int " "portnum", char *path, int max);
13 .B umad_get_issm_path()
14 resolves path to issm device (which used for setting/clearing PortInfo:CapMask IsSM bit) for
18 , it stores resolved path in
20 array which cannot exceed
22 bytes in length (including NULL terminator).
24 Opening issm device sets PortInfo:CapMask IsSM bit and closing clears it.
28 returns 0 on success and a negative value on error as follows:
29 -ENODEV IB device can\'t be resolved
30 -EINVAL port is not valid (bad
34 .BR umad_open_port (3),
38 Sasha Khapyorsky <sashak@voltaire.com>