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CentOS 7.0 - man page for ibv_open_device (centos section 3)

IBV_OPEN_DEVICE(3)		  Libibverbs Programmer's Manual	       IBV_OPEN_DEVICE(3)

NAME
       ibv_open_device, ibv_close_device - open and close an RDMA device context

SYNOPSIS
       #include <infiniband/verbs.h>

       struct ibv_context *ibv_open_device(struct ibv_device *device);

       int ibv_close_device(struct ibv_context *context);

DESCRIPTION
       ibv_open_device() opens the device device and creates a context for further use.

       ibv_close_device() closes the device context context.

RETURN VALUE
       ibv_open_device()  returns  a  pointer  to  the	allocated  device context, or NULL if the
       request fails.

       ibv_close_device() returns 0 on success, -1 on failure.

NOTES
       ibv_close_device() does not release all the resources allocated using context context.  To
       avoid  resource	leaks,	the user should release all associated resources before closing a
       context.

SEE ALSO
       ibv_get_device_list(3),	  ibv_query_device(3),	  ibv_query_port(3),	ibv_query_gid(3),
       ibv_query_pkey(3)

AUTHORS
       Dotan Barak <dotanba@gmail.com>

libibverbs				    2006-10-31			       IBV_OPEN_DEVICE(3)


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