[PATCH v6 17/18] vfio: remove no-IOMMU check API

Anatoly Burakov
2025-11-21T10:11:01Z

The `rte_vfio_noiommu_is_enabled()` check has now been replaced by the new
mode API, so remove it.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
lib/eal/freebsd/eal.c | 6 ------
lib/eal/include/rte_vfio.h | 14 --------------
lib/eal/linux/eal_vfio.c | 7 -------
3 files changed, 27 deletions(-)

diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c
index 7b3ce875a8..d850ef2c4f 100644
--- a/lib/eal/freebsd/eal.c
+++ b/lib/eal/freebsd/eal.c
@@ -842,12 +842,6 @@ int rte_vfio_is_enabled(__rte_unused const char *modname)
return 0;
}

-RTE_EXPORT_INTERNAL_SYMBOL(rte_vfio_noiommu_is_enabled)
-int rte_vfio_noiommu_is_enabled(void)
-{
- return 0;
-}
-
RTE_EXPORT_INTERNAL_SYMBOL(rte_vfio_get_group_num)
int
rte_vfio_get_group_num(__rte_unused const char *sysfs_base,
diff --git a/lib/eal/include/rte_vfio.h b/lib/eal/include/rte_vfio.h
index 0af41c3610..c4ba0e5cda 100644
--- a/lib/eal/include/rte_vfio.h
+++ b/lib/eal/include/rte_vfio.h
@@ -170,20 +170,6 @@ __rte_internal
enum rte_vfio_mode
rte_vfio_get_mode(void);

-/**
- * @internal
- * Check if VFIO NOIOMMU mode is enabled.
- *
- * This function is only relevant on Linux in group mode.
- *
- * @return
- * 1 if enabled.
- * 0 if not enabled or not supported.
- */
-__rte_internal
-int
-rte_vfio_noiommu_is_enabled(void);
-
/**
* @internal
* Parse IOMMU group number for a device.
diff --git a/lib/eal/linux/eal_vfio.c b/lib/eal/linux/eal_vfio.c
index 8545552308..2e9ad7dbb4 100644
--- a/lib/eal/linux/eal_vfio.c
+++ b/lib/eal/linux/eal_vfio.c
@@ -1310,13 +1310,6 @@ container_dma_unmap(struct container *cfg, uint64_t vaddr, uint64_t iova,
return ret;
}

-RTE_EXPORT_INTERNAL_SYMBOL(rte_vfio_noiommu_is_enabled)
-int
-rte_vfio_noiommu_is_enabled(void)
-{
- return vfio_cfg.mode == RTE_VFIO_MODE_NOIOMMU;
-}
-
RTE_EXPORT_INTERNAL_SYMBOL(rte_vfio_container_create)
int
rte_vfio_container_create(void)
--
2.47.3