This adds a simple exported helper function which determins if a given
(supposedly) PCI device is actually an NVLink2 device, which has some
special considerations.
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
hw/ppc/spapr_pci_nvlink2.c | 5 +++++
include/hw/pci-host/spapr.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/hw/ppc/spapr_pci_nvlink2.c b/hw/ppc/spapr_pci_nvlink2.c
index 7d3a685421..0cec1ae02b 100644
--- a/hw/ppc/spapr_pci_nvlink2.c
+++ b/hw/ppc/spapr_pci_nvlink2.c
@@ -449,6 +449,11 @@ static bool is_nvnpu(PCIDevice *dev, SpaprPhbState *sphb,
int *slot, int *link)
return false;
}
+bool spapr_phb_is_nvlink_dev(PCIDevice *dev, SpaprPhbState *sphb)
+{
+ return is_nvgpu(dev, sphb, NULL) || is_nvnpu(dev, sphb, NULL, NULL);
+}
+
void spapr_phb_nvgpu_populate_pcidev_dt(PCIDevice *dev, void *fdt, int offset,
SpaprPhbState *sphb)
{
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index 8877ff51fb..eaba4a5825 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -156,6 +156,7 @@ void spapr_phb_nvgpu_free(SpaprPhbState *sphb);
void spapr_phb_nvgpu_populate_dt(SpaprPhbState *sphb, void *fdt, int bus_off,
Error **errp);
void spapr_phb_nvgpu_ram_populate_dt(SpaprPhbState *sphb, void *fdt);
+bool spapr_phb_is_nvlink_dev(PCIDevice *dev, SpaprPhbState *sphb);
void spapr_phb_nvgpu_populate_pcidev_dt(PCIDevice *dev, void *fdt, int offset,
SpaprPhbState *sphb);
#else
--
2.25.1
