ibv_alloc_pd(3)

ibv_alloc_pd3

Allocate or deallocate a protection domain (pds)

Usage

#include <infiniband/verbs.h>

struct ibv_pd *ibv_alloc_pd(struct ibv_context *context);

int ibv_dealloc_pd(struct ibv_pd *pd);

Overview

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

ibv_dealloc_pd() deallocates the PD pd.

Return value

ibv_alloc_pd() returns a pointer to the allocated PD, or NULL if the request fails, and errno is set to indicate the reason.

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

Notes

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

Releases

10 releases since Debian 5.0 (Lenny); the text changed 3 times.

  1. 5.0
  2. 6.0–9
  3. 10–13
  4. Arch

Authors

Dotan Barak <[email protected]>

From rdma-core 65.0-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.