[PATCH v1 09/17] net/nbl: add uio and vfio mode for nbl

[Kyo Liu]

NBL device support UIO/VFIO

Signed-off-by: Kyo Liu <kyo....@nebula-matrix.com>
---
 drivers/net/nbl/meson.build                   |  1 +
 drivers/net/nbl/nbl_common/nbl_userdev.c      | 24 +++++++++++++++++++
 drivers/net/nbl/nbl_common/nbl_userdev.h      | 10 ++++++++
 .../nbl_hw_leonis/nbl_phy_leonis_snic.c       |  7 ++++++
 drivers/net/nbl/nbl_include/nbl_def_common.h  |  4 ++++
 5 files changed, 46 insertions(+)
 create mode 100644 drivers/net/nbl/nbl_common/nbl_userdev.c
 create mode 100644 drivers/net/nbl/nbl_common/nbl_userdev.h

diff --git a/drivers/net/nbl/meson.build b/drivers/net/nbl/meson.build
index 7f4abd3db0..a3e700d93d 100644
--- a/drivers/net/nbl/meson.build
+++ b/drivers/net/nbl/meson.build
@@ -16,6 +16,7 @@ sources = files(
         'nbl_dispatch.c',
         'nbl_common/nbl_common.c',
         'nbl_common/nbl_thread.c',
+       'nbl_common/nbl_userdev.c',
         'nbl_dev/nbl_dev.c',
         'nbl_hw/nbl_channel.c',
         'nbl_hw/nbl_resource.c',
diff --git a/drivers/net/nbl/nbl_common/nbl_userdev.c 
b/drivers/net/nbl/nbl_common/nbl_userdev.c
new file mode 100644
index 0000000000..87b943ccd7
--- /dev/null
+++ b/drivers/net/nbl/nbl_common/nbl_userdev.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2025 Nebulamatrix Technology Co., Ltd.
+ */
+
+#include "nbl_userdev.h"
+
+int nbl_pci_map_device(struct nbl_adapter *adapter)
+{
+       struct rte_pci_device *pci_dev = adapter->pci_dev;
+       int ret = 0;
+
+       ret = rte_pci_map_device(pci_dev);
+       if (ret)
+               NBL_LOG(ERR, "device %s uio or vfio map failed", 
pci_dev->device.name);
+
+       return ret;
+}
+
+void nbl_pci_unmap_device(struct nbl_adapter *adapter)
+{
+       struct rte_pci_device *pci_dev = adapter->pci_dev;
+
+       return rte_pci_unmap_device(pci_dev);
+}
diff --git a/drivers/net/nbl/nbl_common/nbl_userdev.h 
b/drivers/net/nbl/nbl_common/nbl_userdev.h
new file mode 100644
index 0000000000..11cc29999c
--- /dev/null
+++ b/drivers/net/nbl/nbl_common/nbl_userdev.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2025 Nebulamatrix Technology Co., Ltd.
+ */
+
+#ifndef _NBL_USERDEV_H_
+#define _NBL_USERDEV_H_
+
+#include "nbl_ethdev.h"
+
+#endif
diff --git a/drivers/net/nbl/nbl_hw/nbl_hw_leonis/nbl_phy_leonis_snic.c 
b/drivers/net/nbl/nbl_hw/nbl_hw_leonis/nbl_phy_leonis_snic.c
index 49ada3b525..9ed375bc1e 100644
--- a/drivers/net/nbl/nbl_hw/nbl_hw_leonis/nbl_phy_leonis_snic.c
+++ b/drivers/net/nbl/nbl_hw/nbl_hw_leonis/nbl_phy_leonis_snic.c
@@ -183,6 +183,11 @@ int nbl_phy_init_leonis_snic(void *p)
        phy_mgt_leonis_snic = (struct nbl_phy_mgt_leonis_snic 
**)&NBL_ADAPTER_TO_PHY_MGT(adapter);
        phy_ops_tbl = &NBL_ADAPTER_TO_PHY_OPS_TBL(adapter);
 
+       /* map device */
+       ret = nbl_pci_map_device(adapter);
+       if (ret)
+               return ret;
+
        *phy_mgt_leonis_snic = rte_zmalloc("nbl_phy_mgt",
                                           sizeof(struct 
nbl_phy_mgt_leonis_snic), 0);
        if (!*phy_mgt_leonis_snic) {
@@ -205,6 +210,7 @@ int nbl_phy_init_leonis_snic(void *p)
 setup_ops_failed:
        rte_free(*phy_mgt_leonis_snic);
 alloc_phy_mgt_failed:
+       nbl_pci_unmap_device(adapter);
        return ret;
 }
 
@@ -220,4 +226,5 @@ void nbl_phy_remove_leonis_snic(void *p)
        rte_free(*phy_mgt_leonis_snic);
 
        nbl_phy_remove_ops(phy_ops_tbl);
+       nbl_pci_unmap_device(adapter);
 }
diff --git a/drivers/net/nbl/nbl_include/nbl_def_common.h 
b/drivers/net/nbl/nbl_include/nbl_def_common.h
index b7955abfab..0b87c3003d 100644
--- a/drivers/net/nbl/nbl_include/nbl_def_common.h
+++ b/drivers/net/nbl/nbl_include/nbl_def_common.h
@@ -48,4 +48,8 @@ void nbl_free_dma_mem(struct nbl_dma_mem *mem);
 int nbl_thread_add_work(struct nbl_work *work);
 void nbl_thread_del_work(struct nbl_work *work);
 
+struct nbl_adapter;
+int nbl_pci_map_device(struct nbl_adapter *adapter);
+void nbl_pci_unmap_device(struct nbl_adapter *adapter);
+
 #endif
-- 
2.43.0