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EFI: Stash ROMs if they're not in the PCI BAR

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EFI provides support for providing PCI ROMs via means other than the ROM
BAR. This support vanishes after we've exited boot services, so add support
for stashing copies of the ROMs in setup_data if they're not otherwise
available.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Seth Forshee <seth.forshee@canonical.com>
This commit is contained in:
Matthew Garrett
2012-12-05 14:33:26 -07:00
committed by Bjorn Helgaas
parent 8f0d8163b5
commit dd5fc854de
4 changed files with 202 additions and 0 deletions
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12
arch/x86/include/asm/pci.h
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@@ -171,4 +171,16 @@ cpumask_of_pcibus(const struct pci_bus *bus)
}
#endif
struct pci_setup_rom {
struct setup_data data;
uint16_t vendor;
uint16_t devid;
uint64_t pcilen;
unsigned long segment;
unsigned long bus;
unsigned long device;
unsigned long function;
uint8_t romdata[0];
};
#endif /* _ASM_X86_PCI_H */