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IOVCTL(8) System Manager's Manual IOVCTL(8) NAME iovctl -- PCI SR-IOV configuration utility SYNOPSIS iovctl -C -f config-file [-n] iovctl -D [-f config-file | -d device] [-n] iovctl -S [-f config-file | -d device] DESCRIPTION The iovctl utility creates or destroys PCI Single-Root I/O Virtualization (SR-IOV) Virtual Functions (VFs). When invoked with the -C flag, iovctl creates VFs as children of the Physical Function (PF) configured in the specified configuration file. When invoked with the -D flag, iovctl de- stroys all VFs that are children of the specified device. Available PF de- vices can be seen in /dev/iov/. The following options are available: -C Enable SR-IOV on the specified PF device and create VF children. This operation will fail if the PF already has VF children. This option must be used in conjunction with the -f option. -d device Specify the PF device to use for the given operation. device may either be the name of a PF device, or a full path name to a node in /dev/iov/. This option may not be used with the -C option. -D Delete all VF children of the specified PF device. This operation will fail if SR-IOV is not currently enabled on the specified de- vice. -f config-file Specify the pathname of the configuration file. For the -C option, this file will be used to specify all configuration values. For the -D and -S options, this file will only be used to specify the name of the PF device. See iovctl.conf(5) for a description of the config file format and documentation of the configuration parameters that apply to all PF drivers. See the PF driver manual page for configuration parame- ters specific to particular hardware. -n Perform a dry-run. Perform all validation of the specified action and print what would be done, but do not perform the actual cre- ation or destruction of VFs. This option may not be used with the -S flag. -S Read the configuration schema from the specified device and print its contents to stdout. This action may be used to discover the configuration parameters supported on a given PF device. SEE ALSO iovctl.conf(5), rc.conf(5) AUTHORS This manual page was written by Ryan Stone <rstone@FreeBSD.org>. FreeBSD ports 15.quarterly May 31, 2020 IOVCTL(8)
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