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3df54c870f
Allow using Switchtec NTB in setups that have more than two partitions. Note: this does not enable having multi-host communication, it only allows for a single NTB link between two hosts in a network that might have more than two. Use following logic to determine the NT peer partition: 1) If there are 2 partitions, and the target vector is set in the Switchtec configuration, use the partition specified in target vector. 2) If there are 2 partitions and target vector is unset use the only other partition as specified in the NT EP map. 3) If there are more than 2 partitions and target vector is set use the other partition specified in target vector. 4) If there are more than 2 partitions and target vector is unset, this is invalid and report an error. Signed-off-by: Kelvin Cao <kelvin.cao@microsemi.com> [logang@deltatee.com: commit message fleshed out] Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> |
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