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'\" te .\" -*- nroff -*- .\" .TH IBV_GET_DEVICE_LIST 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual" .SH "NAME" ibv_get_device_list, ibv_free_device_list \- get and release list of available RDMA devices .SH "SYNOPSIS" .nf .B #include <infiniband/verbs.h> .sp .BI "struct ibv_device **ibv_get_device_list(int " "*num_devices" ); .sp .BI "void ibv_free_device_list(struct ibv_device " "**list" ); .fi .SH "DESCRIPTION" .B ibv_get_device_list() returns a NULL-terminated array of RDMA devices currently available. The argument .I num_devices is optional; if not NULL, it is set to the number of devices returned in the array. .PP .B ibv_free_device_list() frees the array of devices .I list returned by .B ibv_get_device_list()\fR. .SH "RETURN VALUE" .B ibv_get_device_list() returns the array of available RDMA devices, or sets .I errno and returns NULL if the request fails. If no devices are found then .I num_devices is set to 0, and non-NULL is returned. .PP .B ibv_free_device_list() returns no value. .SH "ERRORS" .TP .B EPERM Permission denied. .TP .B ENOSYS No kernel support for RDMA. .TP .B ENOMEM Insufficient memory to complete the operation. .\" Oracle has added the ARC stability level to this manual page .SH ATTRIBUTES See .BR attributes (7) for descriptions of the following attributes: .sp .TS box; cbp-1 | cbp-1 l | l . ATTRIBUTE TYPE ATTRIBUTE VALUE = Availability network/open-fabrics = Stability Pass-through volatile .TE .PP .SH "NOTES" Client code should open all the devices it intends to use with .B ibv_open_device()\fR before calling .B ibv_free_device_list()\fR. Once it frees the array with .B ibv_free_device_list()\fR, it will be able to use only the open devices; pointers to unopened devices will no longer be valid. .\" Oracle has added source availability information to this manual page 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/downloads/ibutils/ibutils-1.5.7-0.2.gbd7e502.tar.gz', 'https://www.openfabrics.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/libsdp-1.1.108-0.15.gd7fdb72.tar.gz', 'https://www.openfabrics.org/downloads/management/infiniband-diags-1.6.5.tar.gz', 'https://www.openfabrics.org/downloads/management/libibmad-1.3.12.tar.gz', 'https://www.openfabrics.org/downloads/management/libibumad-1.3.10.2.tar.gz', 'https://www.openfabrics.org/downloads/management/opensm-3.3.19.tar.gz', 'https://www.openfabrics.org/downloads/perftest/perftest-1.3.0-0.42.gf350d3d.tar.gz', 'https://www.openfabrics.org/downloads/qperf/qperf-0.4.9.tar.gz', 'https://www.openfabrics.org/downloads/rdmacm/librdmacm-1.0.21.tar.gz', 'https://www.openfabrics.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/. .SH "SEE ALSO" .BR ibv_fork_init (3), .BR ibv_get_device_name (3), .BR ibv_get_device_guid (3), .BR ibv_open_device (3) .SH "AUTHORS" .TP Dotan Barak <dotanba@gmail.com>