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   ibv_create_ah_from_wc    ( 3 )

инициализировать или создать дескриптор адреса (AH) из завершения работы (initialize or create an address handle (AH) from a work completion)

Имя (Name)

ibv_init_ah_from_wc, ibv_create_ah_from_wc - initialize or create an address handle (AH) from a work completion


Синопсис (Synopsis)

#include <infiniband/verbs.h>

int ibv_init_ah_from_wc(struct ibv_context *context, uint8_t port_num, struct ibv_wc *wc, struct ibv_grh *grh, struct ibv_ah_attr *ah_attr);

struct ibv_ah *ibv_create_ah_from_wc(struct ibv_pd *pd, struct ibv_wc *wc, struct ibv_grh *grh, uint8_t port_num);


Описание (Description)

ibv_init_ah_from_wc() initializes the address handle (AH) attribute structure ah_attr for the RDMA device context context using the port number port_num, using attributes from the work completion wc and the Global Routing Header (GRH) structure grh.

ibv_create_ah_from_wc() creates an AH associated with the protection domain pd using the port number port_num, using attributes from the work completion wc and the Global Routing Header (GRH) structure grh.


Возвращаемое значение (Return value)

ibv_init_ah_from_wc() returns 0 on success, and -1 on error.

ibv_create_ah_from_wc() returns a pointer to the created AH, or NULL if the request fails.


Примечание (Note)

The filled structure ah_attr returned from ibv_init_ah_from_wc() can be used to create a new AH using ibv_create_ah().


Смотри также (See also)

ibv_open_device(3), ibv_alloc_pd(3), ibv_create_ah(3), ibv_destroy_ah(3), ibv_poll_cq(3)