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276b738deb
Add resizable BAR infrastructure, including defines and helper functions to read the possible sizes of a BAR and update its size. See PCIe r3.1, sec 7.22. Link: https://pcisig.com/sites/default/files/specification_documents/ECN_Resizable-BAR_24Apr2008.pdf Signed-off-by: Christian König <christian.koenig@amd.com> [bhelgaas: rename to functions with "rebar" (to match #defines), drop shift #defines, drop "_MASK" suffixes, fix typos, fix kerneldoc] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> |
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