When checking RTE_PCI_DRV_IOVA_AS_VA flag to determine IOVA mode,
pci_one_device_has_iova_va() returns true only if kernel driver of the
device is vfio. However, Mellanox mlx4/5 PMD doesn't need to be detached
from kernel driver and attached to VFIO/UIO. Control path still goes
through the existing kernel driver, which is mlx4_core/mlx5_core. In order
to make RTE_PCI_DRV_IOVA_AS_VA effective for mlx4/mlx5 PMD, a new kernel
driver type has to be introduced.
Cc: stable@dpdk.org
Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
dev->kdrv = RTE_KDRV_IGB_UIO;
else if (!strcmp(driver, "uio_pci_generic"))
dev->kdrv = RTE_KDRV_UIO_GENERIC;
dev->kdrv = RTE_KDRV_IGB_UIO;
else if (!strcmp(driver, "uio_pci_generic"))
dev->kdrv = RTE_KDRV_UIO_GENERIC;
+ else if (!strcmp(driver, "mlx4_core") ||
+ !strcmp(driver, "mlx5_core"))
+ dev->kdrv = RTE_KDRV_NIC_MLX;
else
dev->kdrv = RTE_KDRV_UNKNOWN;
} else
else
dev->kdrv = RTE_KDRV_UNKNOWN;
} else
FOREACH_DRIVER_ON_PCIBUS(drv) {
if (drv && drv->drv_flags & RTE_PCI_DRV_IOVA_AS_VA) {
FOREACH_DEVICE_ON_PCIBUS(dev) {
FOREACH_DRIVER_ON_PCIBUS(drv) {
if (drv && drv->drv_flags & RTE_PCI_DRV_IOVA_AS_VA) {
FOREACH_DEVICE_ON_PCIBUS(dev) {
- if (dev->kdrv == RTE_KDRV_VFIO &&
+ if ((dev->kdrv == RTE_KDRV_VFIO ||
+ dev->kdrv == RTE_KDRV_NIC_MLX) &&
rte_pci_match(drv, dev))
return 1;
}
rte_pci_match(drv, dev))
return 1;
}
RTE_KDRV_VFIO,
RTE_KDRV_UIO_GENERIC,
RTE_KDRV_NIC_UIO,
RTE_KDRV_VFIO,
RTE_KDRV_UIO_GENERIC,
RTE_KDRV_NIC_UIO,