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

int ibv_query_pkey(struct ibv_context *context,
                   uint8_t port_num,
                   int index,
                   uint16_t *pkey);
\f[R]
.fi
.SH DESCRIPTION
.PP
\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
.PP
\f[B]ibv_query_pkey()\f[R] returns 0 on success, and -1 on error.
.SH SEE ALSO
.PP
\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
.PP
Dotan Barak <dotanba@gmail.com>