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bus/fslmc: check for DMA map in primary process only

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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>
This commit is contained in:
Shreyansh Jain 2019-08-29 15:57:33 +05:30 committed by Ferruh Yigit
parent 297e5df593
commit 4512386f2a
1 changed files with 9 additions and 6 deletions
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15
drivers/bus/fslmc/fslmc_bus.c
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@ -394,12 +394,15 @@ 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();