ibv_create_srq_ex - create or destroy a shared receive queue (SRQ)
#include <infiniband/verbs.h> struct ibv_srq *ibv_create_srq_ex(struct ibv_context *context, struct ibv_srq_init_attr_ex *srq_init_attr_ex); int ibv_destroy_srq(struct ibv_srq *srq);
Libibverbs Programmer's Manual IBV_CREATE_SRQ_EX(3)
NAME
ibv_create_srq_ex, ibv_destroy_srq - create or destroy a shared receive
queue (SRQ)
SYNOPSIS
#include <infiniband/verbs.h>
struct ibv_srq *ibv_create_srq_ex(struct ibv_context *context, struct
ibv_srq_init_attr_ex *srq_init_attr_ex);
int ibv_destroy_srq(struct ibv_srq *srq);
DESCRIPTION
ibv_create_srq_ex() creates a shared receive queue (SRQ) supporting
both basic and xrc modes. The argument srq_init_attr_ex is an
ibv_srq_init_attr_ex struct, as defined in <infiniband/verbs.h>.
struct ibv_srq_init_attr_ex {
void *srq_context; /* Associated context of the SRQ */
struct ibv_srq_attr attr; /* SRQ attributes */
uint32_t comp_mask; /* Identifies valid fields */
enum ibv_srq_type srq_type; /* Basic / XRC */
struct ibv_pd *pd; /* PD associated with the SRQ */
struct ibv_xrcd *xrcd; /* XRC domain to associate with the SRQ */
struct ibv_cq *cq; /* CQ to associate with the SRQ for XRC mode */
};
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 */
};
The function ibv_create_srq_ex() will update the srq_init_attr_ex
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.
RETURN VALUE
ibv_create_srq_ex() 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 fail-
ure (which indicates the failure reason).
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
+---------------+-----------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------------+
|Availability | network/open-fabrics |
+---------------+-----------------------+
|Stability | Pass-through volatile |
+---------------+-----------------------+
NOTES
ibv_destroy_srq() fails if any queue pair is still associated with this
SRQ.
Source code for open source software components in Oracle Solaris can
be found at https://www.oracle.com/downloads/opensource/solaris-source-
code-downloads.html.
This software was built from source available at
https://github.com/oracle/solaris-userland. The original community
source was downloaded from ['https://www.openfabrics.org/down-
loads/ibutils/ibutils-1.5.7-0.2.gbd7e502.tar.gz', 'https://www.openfab-
rics.org/downloads/libibverbs/libibverbs-1.1.8.tar.gz',
'https://www.openfabrics.org/downloads/libmlx4/libmlx4-1.0.6.tar.gz',
'https://www.openfabrics.org/downloads/libsdp/lib-
sdp-1.1.108-0.15.gd7fdb72.tar.gz', 'https://www.openfabrics.org/down-
loads/management/infiniband-diags-1.6.5.tar.gz', 'https://www.openfab-
rics.org/downloads/management/libibmad-1.3.12.tar.gz',
'https://www.openfabrics.org/downloads/management/libibu-
mad-1.3.10.2.tar.gz', 'https://www.openfabrics.org/downloads/manage-
ment/opensm-3.3.19.tar.gz', 'https://www.openfabrics.org/down-
loads/perftest/perftest-1.3.0-0.42.gf350d3d.tar.gz', 'https://www.open-
fabrics.org/downloads/qperf/qperf-0.4.9.tar.gz', 'https://www.openfab-
rics.org/downloads/rdmacm/librdmacm-1.0.21.tar.gz', 'https://www.open-
fabrics.org/downloads/rds-tools/rds-tools-2.0.4.tar.gz'].
Further information about this software can be found on the open source
community website at http://www.openfabrics.org/.
SEE ALSO
ibv_alloc_pd(3), ibv_modify_srq(3), ibv_query_srq(3)
AUTHORS
Yishai Hadas <yishaih@mellanox.com>
libibverbs 2013-06-26 IBV_CREATE_SRQ_EX(3)