FSLMC bus only supports operating in group mode, and relies on no-IOMMU mode checks. Use the new VFIO API's to query no-IOMMU status, as well as protect the bus from initializing in non-group mode.
Signed-off-by: Anatoly Burakov <[email protected]> --- drivers/bus/fslmc/fslmc_bus.c | 10 +++++++++- drivers/bus/fslmc/fslmc_vfio.c | 2 +- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c index 4529ec5085..82b53bcc54 100644 --- a/drivers/bus/fslmc/fslmc_bus.c +++ b/drivers/bus/fslmc/fslmc_bus.c @@ -335,6 +335,13 @@ rte_fslmc_scan(void) goto scan_fail; } + /* for container groups to work, VFIO must be in group mode */ + if (rte_vfio_get_mode() != RTE_VFIO_MODE_GROUP && + rte_vfio_get_mode() != RTE_VFIO_MODE_NOIOMMU) { + ret = -EINVAL; + goto scan_fail; + } + ret = fslmc_get_container_group(group_name, &groupid); if (ret != 0) goto scan_fail; @@ -582,7 +589,8 @@ rte_dpaa2_get_iommu_class(void) return RTE_IOVA_DC; /* check if all devices on the bus support Virtual addressing or not */ - if (fslmc_all_device_support_iova() != 0 && rte_vfio_noiommu_is_enabled() == 0) + if (fslmc_all_device_support_iova() != 0 && + rte_vfio_get_mode() != RTE_VFIO_MODE_NOIOMMU) return RTE_IOVA_VA; return RTE_IOVA_PA; diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c index 4b11b38322..afde967e34 100644 --- a/drivers/bus/fslmc/fslmc_vfio.c +++ b/drivers/bus/fslmc/fslmc_vfio.c @@ -192,7 +192,7 @@ fslmc_vfio_add_group(int vfio_group_fd, group->fd = vfio_group_fd; group->groupid = iommu_group_num; rte_strscpy(group->group_name, group_name, sizeof(group->group_name)); - if (rte_vfio_noiommu_is_enabled() > 0) + if (rte_vfio_get_mode() == RTE_VFIO_MODE_NOIOMMU) group->iommu_type = VFIO_NOIOMMU_IOMMU; else group->iommu_type = VFIO_TYPE1_IOMMU; -- 2.47.3
