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ibv_alloc_pd, ibv_dealloc_pd - allocate or deallocate a protection domain (PDs)
Contents
Description
ibv_alloc_pd() allocates a PD for the RDMA device context context.
ibv_dealloc_pd() deallocates the PD pd.
Name
ibv_alloc_pd, ibv_dealloc_pd - allocate or deallocate a protection domain (PDs)
Notes
ibv_dealloc_pd() may fail if any other resource is still associated with the PD being freed.
Return Value
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).
See Also
ibv_reg_mr(3), ibv_create_srq(3), ibv_create_qp(3), ibv_create_ah(3), ibv_create_ah_from_wc(3)
Synopsis
#include<infiniband/verbs.h>structibv_pd*ibv_alloc_pd(structibv_context*context);intibv_dealloc_pd(structibv_pd*pd);
