[PATCH v13 06/25] drivers: add process-type guards for secondary process

[Hemant Agrawal]

From: Prashant Gupta <prashant.gupta_3 at nxp.com>

Add RTE_PROC_PRIMARY checks in device initialization paths for
dma/dpaa and net/dpaa rivers. Secondary processes should skip
hardware initialization to prevent segfaults when accessing
hardware registers that are only mapped in the primary process.

Signed-off-by: Prashant Gupta <prashant.gupta_3 at nxp.com>
---
 drivers/dma/dpaa/dpaa_qdma.c   | 3 +++
 drivers/net/dpaa/dpaa_ethdev.c | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/dpaa/dpaa_qdma.c b/drivers/dma/dpaa/dpaa_qdma.c
index e2cb157c43..3981bf277e 100644
--- a/drivers/dma/dpaa/dpaa_qdma.c
+++ b/drivers/dma/dpaa/dpaa_qdma.c
@@ -1351,6 +1351,9 @@ dpaa_qdma_init(struct rte_dma_dev *dmadev)
 	int ret;
 	uint32_t i, j, k;
 
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
 	if (dpaa_get_devargs(dmadev->device->devargs, DPAA_DMA_ERROR_CHECK)) {
 		s_hw_err_check = true;
 		DPAA_QDMA_INFO("Enable DMA error checks");
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 00ab436ad1..b6258044c6 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2017-2020,2022-2025 NXP
+ *   Copyright 2017-2020,2022-2026 NXP
  *
  */
 /* System headers */
@@ -2682,6 +2682,10 @@ rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
 	PMD_INIT_FUNC_TRACE();
 
 	eth_dev = rte_eth_dev_allocated(dpaa_dev->device.name);
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return eth_dev ? rte_eth_dev_release_port(eth_dev) : 0;
+
 	if (eth_dev && eth_dev->state != RTE_ETH_DEV_UNUSED) {
 		int close_ret = dpaa_eth_dev_close(eth_dev);
 
-- 
2.25.1