depends on VFIO_PCI && PPC_POWERNV
help
VFIO PCI support for P9 Witherspoon machine with NVIDIA V100 GPUs
-
-config VFIO_PCI_ZDEV
- bool "VFIO PCI ZPCI device CLP support"
- depends on VFIO_PCI && S390
- default y
- help
- Enabling this option exposes VFIO capabilities containing hardware
- configuration for zPCI devices. This enables userspace (e.g. QEMU)
- to supply proper configuration values instead of hard-coded defaults
- for zPCI devices passed through via VFIO on s390.
-
- Say Y here.
vfio-pci-y := vfio_pci.o vfio_pci_intrs.o vfio_pci_rdwr.o vfio_pci_config.o
vfio-pci-$(CONFIG_VFIO_PCI_IGD) += vfio_pci_igd.o
vfio-pci-$(CONFIG_VFIO_PCI_NVLINK2) += vfio_pci_nvlink2.o
-vfio-pci-$(CONFIG_VFIO_PCI_ZDEV) += vfio_pci_zdev.o
+vfio-pci-$(CONFIG_S390) += vfio_pci_zdev.o
obj-$(CONFIG_VFIO_PCI) += vfio-pci.o
struct vfio_device_info info;
struct vfio_info_cap caps = { .buf = NULL, .size = 0 };
unsigned long capsz;
+ int ret;
minsz = offsetofend(struct vfio_device_info, num_irqs);
info.num_regions = VFIO_PCI_NUM_REGIONS + vdev->num_regions;
info.num_irqs = VFIO_PCI_NUM_IRQS;
- if (IS_ENABLED(CONFIG_VFIO_PCI_ZDEV)) {
- int ret = vfio_pci_info_zdev_add_caps(vdev, &caps);
-
- if (ret && ret != -ENODEV) {
- pci_warn(vdev->pdev, "Failed to setup zPCI info capabilities\n");
- return ret;
- }
+ ret = vfio_pci_info_zdev_add_caps(vdev, &caps);
+ if (ret && ret != -ENODEV) {
+ pci_warn(vdev->pdev, "Failed to setup zPCI info capabilities\n");
+ return ret;
}
if (caps.size) {
}
#endif
-#ifdef CONFIG_VFIO_PCI_ZDEV
+#ifdef CONFIG_S390
extern int vfio_pci_info_zdev_add_caps(struct vfio_pci_device *vdev,
struct vfio_info_cap *caps);
#else