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.TH "IBV_QUERY_PKEY" "3" "2006\-10\-31" "libibverbs" "Libibverbs Programmer\[cq]s Manual"
.SH NAME
ibv_query_pkey \- query an InfiniBand port\[cq]s P_Key table
.SH SYNOPSIS
.IP
.EX
#include \f[B]<infiniband/verbs.h>\f[R]

int ibv_query_pkey(\f[B]struct\f[R] ibv_context *context,
                   uint8_t port_num,
                   int index,
                   uint16_t *pkey);
.EE
.SH DESCRIPTION
\f[B]ibv_query_pkey()\f[R] returns the P_Key value (in network byte
order) in entry \f[I]index\f[R] of port \f[I]port_num\f[R] for device
context \f[I]context\f[R] through the pointer \f[I]pkey\f[R].
.SH RETURN VALUE
\f[B]ibv_query_pkey()\f[R] returns 0 on success, and \-1 on error.
.SH SEE ALSO
\f[B]ibv_open_device\f[R](3), \f[B]ibv_query_device\f[R](3),
\f[B]ibv_query_gid\f[R](3), \f[B]ibv_query_port\f[R](3)
.SH AUTHOR
Dotan Barak \c
.MT dotanba@gmail.com
.ME \c