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

NAME         top

       ibv_alloc_pd,  ibv_dealloc_pd  -  allocate or deallocate a protection
       domain (PDs)

SYNOPSIS         top

       #include <infiniband/verbs.h>

       struct ibv_pd *ibv_alloc_pd(struct ibv_context *context);

       int ibv_dealloc_pd(struct ibv_pd *pd);

DESCRIPTION         top

       ibv_alloc_pd() allocates a PD for the RDMA device context context.

       ibv_dealloc_pd() deallocates the PD pd.

RETURN VALUE         top

       ibv_alloc_pd() returns a pointer to the allocated PD, or NULL if the
       request fails.

       ibv_dealloc_pd() returns 0 on success, or the value of errno on
       failure (which indicates the failure reason).

NOTES         top

       ibv_dealloc_pd() may fail if any other resource is still associated
       with the PD being freed.

SEE ALSO         top

       ibv_reg_mr(3), ibv_create_srq(3), ibv_create_qp(3), ibv_create_ah(3),

AUTHORS         top

       Dotan Barak <>

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 
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       for this manual page, send it to  This
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libibverbs                       2006-10-31                  IBV_ALLOC_PD(3)

Pages that refer to this page: ibv_alloc_mw(3)ibv_alloc_parent_domain(3)ibv_create_ah(3)ibv_create_ah_from_wc(3)ibv_create_qp(3)ibv_create_qp_ex(3)ibv_create_srq(3)ibv_create_srq_ex(3)ibv_open_qp(3)ibv_reg_mr(3)