[v2,26/30] bus/fslmc: check for Dma map in primary process only
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Commit Message
From: Shreyansh Jain <shreyansh.jain@nxp.com>
DMA mapping is a property of primary process - SMMU population done
once by primary doesn't need to be populated again in secondary
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Reviewed-by: Sachin Saxena <sachin.saxena@nxp.com>
---
drivers/bus/fslmc/fslmc_bus.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
@@ -395,12 +395,15 @@ rte_fslmc_probe(void)
/* Map existing segments as well as, in case of hotpluggable memory,
* install callback handler.
*/
- ret = rte_fslmc_vfio_dmamap();
- if (ret) {
- DPAA2_BUS_ERR("Unable to DMA map existing VAs: (%d)", ret);
- /* Not continuing ahead */
- DPAA2_BUS_ERR("FSLMC VFIO Mapping failed");
- return 0;
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ ret = rte_fslmc_vfio_dmamap();
+ if (ret) {
+ DPAA2_BUS_ERR("Unable to DMA map existing VAs: (%d)",
+ ret);
+ /* Not continuing ahead */
+ DPAA2_BUS_ERR("FSLMC VFIO Mapping failed");
+ return 0;
+ }
}
ret = fslmc_vfio_process_group();