pci: Create and register a new PCI Express TypeInfo
This will allow us to differentiate Express and Legacy buses.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci: Move PCI and PCIE type defines
Move these so that we can reference them from a more common headerinstead of including pci_bus.h everywhere.
pci: Allow PCI bus creation interfaces to specify the type of bus
No change to any types.
pci: Q35, Root Ports, and Switches create PCI Express buses
Convert q35, ioh3420, xio3130_upstream, and xio3130_downstream touse the new TYPE_PCIE_BUS.
pci: Create pci_bus_is_express helper
For testing the bus type.
pci: Create and use API to determine root buses
pcie: Mangle types to match topology
Windows will fail to start drivers for devices with an Endpoint typePCIe capability attached to a Root Complex (code 10 - Device cannotstart). The proper type for such a device is Root Complex IntegratedEndpoint. Devices don't care which they are, so do this conversion...
pci_bridge: Use a default map_irq function
The PCI bridge spec defines a default swizzle for translating INTxIRQs from secondary bus to primary. Use this by default for anybridge that doesn't set a function.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>...
pci_bridge: Remove duplicate IRQ swizzle function
pci_bridge_dev_map_irq_fn() is identical to pci_swizzle_map_irq_fn(),which is now the default for all PCI bridges. We can therefore removethis function and the pci_bridge_map_irq() call that used it.
pci: refuse empty ROM files
A zero size ROM file is invalid and should produce a warning.Attempting to use a zero size file ends up hitting an assertionqemu_ram_set_idstr() because RAMBlocks with duplicate addresses areallocated - due to zero size the allocator doesn't increment the next...
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