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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | NOTES | SEE ALSO | AUTHORS | COLOPHON |
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IBV_CREATE_SRQ(3) Libibverbs Programmer's Manual IBV_CREATE_SRQ(3)
ibv_create_srq, ibv_destroy_srq - create or destroy a shared
receive queue (SRQ)
#include <infiniband/verbs.h>
struct ibv_srq *ibv_create_srq(struct ibv_pd *pd, struct
ibv_srq_init_attr *srq_init_attr);
int ibv_destroy_srq(struct ibv_srq *srq);
ibv_create_srq() creates a shared receive queue (SRQ) associated
with the protection domain pd. The argument srq_init_attr is an
ibv_srq_init_attr struct, as defined in <infiniband/verbs.h>.
struct ibv_srq_init_attr {
void *srq_context; /* Associated context of the SRQ */
struct ibv_srq_attr attr; /* SRQ attributes */
};
struct ibv_srq_attr {
uint32_t max_wr; /* Requested max number of outstanding work requests (WRs) in the SRQ */
uint32_t max_sge; /* Requested max number of scatter elements per WR */
uint32_t srq_limit; /* The limit value of the SRQ (irrelevant for ibv_create_srq) */
};
The function ibv_create_srq() will update the srq_init_attr
struct with the original values of the SRQ that was created; the
values of max_wr and max_sge will be greater than or equal to the
values requested.
ibv_destroy_srq() destroys the SRQ srq.
ibv_create_srq() returns a pointer to the created SRQ, or NULL if
the request fails.
ibv_destroy_srq() returns 0 on success, or the value of errno on
failure (which indicates the failure reason).
ibv_destroy_srq() fails if any queue pair is still associated
with this SRQ.
ibv_alloc_pd(3), ibv_modify_srq(3), ibv_query_srq(3)
Dotan Barak <dotanba@gmail.com>
This page is part of the rdma-core (RDMA Core Userspace Libraries
and Daemons) project. Information about the project can be found
at ⟨https://github.com/linux-rdma/rdma-core⟩. If you have a bug
report for this manual page, send it to
linux-rdma@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨https://github.com/linux-rdma/rdma-core.git⟩ on 2024-06-14. (At
that time, the date of the most recent commit that was found in
the repository was 2024-06-10.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
libibverbs 2006-10-31 IBV_CREATE_SRQ(3)
Pages that refer to this page: ibv_alloc_pd(3), ibv_modify_srq(3), ibv_query_srq(3), rdma_create_srq(3), rdma_destroy_srq(3)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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