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Provide a callback to parse the Switched Scoped Latency and Bandwidth Information Structure (SSLBIS) in the CDAT structures. The SSLBIS contains the bandwidth and latency information that's tied to the CXL switch that the data table has been read from. The extracted values are stored to the cxl_dport correlated by the port_id depending on the SSLBIS entry. Coherent Device Attribute Table 1.03 2.1 Switched Scoped Latency and Bandwidth Information Structure (DSLBIS) Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/170319620635.2212653.5194389158785365150.stgit@djiang5-mobl3 Signed-off-by: Dan Williams <dan.j.williams@intel.com>