Add runtime registration function to all PCI Libs
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6708 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -36,6 +36,32 @@
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#define ASSERT_INVALID_PCI_ADDRESS(A) \
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ASSERT (((A) & ~0xfffffff) == 0)
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/**
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Register a PCI device so PCI configuration registers may be accessed after
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SetVirtualAddressMap().
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If Address > 0x0FFFFFFF, then ASSERT().
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@param Address Address that encodes the PCI Bus, Device, Function and
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Register.
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@retval RETURN_SUCCESS The PCI device was registered for runtime access.
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@retval RETURN_UNSUPPORTED An attempt was made to call this function
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after ExitBootServices().
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@retval RETURN_UNSUPPORTED The resources required to access the PCI device
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at runtime could not be mapped.
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@retval RETURN_OUT_OF_RESOURCES There are not enough resources available to
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complete the registration.
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**/
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RETURN_STATUS
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EFIAPI
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PciExpressRegisterForRuntimeAccess (
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IN UINTN Address
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)
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{
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return RETURN_UNSUPPORTED;
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}
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/**
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Gets the base address of PCI Express.
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