device: Add support for multiple PCI segment groups
Add initial support for multiple PCI segment groups. Instead of
modifying secondary in the bus struct introduce a new segment_group
struct element and keep existing common code.
Since all platforms currently only use 1 segment this is not a
functional change. On platforms that support more than 1 segment the
segment has to be set when creating the PCI domain.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ied3313c41896362dd989ee2ab1b1bcdced840aa8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79927
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
diff --git a/src/include/device/pci_ops.h b/src/include/device/pci_ops.h
index b5d4e23..de5f913 100644
--- a/src/include/device/pci_ops.h
+++ b/src/include/device/pci_ops.h
@@ -12,7 +12,8 @@
static __always_inline pci_devfn_t pcidev_bdf(const struct device *dev)
{
- return (dev->path.pci.devfn << 12) | (dev->bus->secondary << 20);
+ return (dev->path.pci.devfn << 12) | (dev->bus->secondary << 20) |
+ (dev->bus->segment_group << 28);
}
static __always_inline pci_devfn_t pcidev_assert(const struct device *dev)