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由 Hariprasad Shenai 提交于
Use the firmware interface to get the BAR0 value since we really don't want to use the PCI-E Configuration Space Backdoor access which is owned by the firmware. Set up PCI-E Memory Window registers using the true values programmed into BAR registers. When the PF4 "Master Function" is exported to a Virtual Machine, the values returned by pci_resource_start() will be for the synthetic PCI-E Configuration Space and not the real addresses. But we need to program the PCI-E Memory Window address decoders with the real addresses that we're going to be using in order to have accesses through the Memory Windows work. Based on origninal work by Casey Leedom <leedom@chelsio.com> Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NHariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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