From: Jerin Jacob <jer...@marvell.com>

add basic PCIe ethdev probe and remove.

Signed-off-by: Jerin Jacob <jer...@marvell.com>
Signed-off-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
---
 drivers/net/octeontx2/otx2_ethdev.c | 93 +++++++++++++++++++++++++++++
 drivers/net/octeontx2/otx2_ethdev.h | 27 +++++++++
 2 files changed, 120 insertions(+)
 create mode 100644 drivers/net/octeontx2/otx2_ethdev.h

diff --git a/drivers/net/octeontx2/otx2_ethdev.c 
b/drivers/net/octeontx2/otx2_ethdev.c
index d26535dee..05fa8988e 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -1,3 +1,96 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright(C) 2019 Marvell International Ltd.
  */
+
+#include <rte_ethdev_pci.h>
+#include <rte_io.h>
+#include <rte_malloc.h>
+
+#include "otx2_ethdev.h"
+
+static int
+otx2_eth_dev_init(struct rte_eth_dev *eth_dev)
+{
+       RTE_SET_USED(eth_dev);
+
+       return -ENODEV;
+}
+
+static int
+otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
+{
+       RTE_SET_USED(eth_dev);
+       RTE_SET_USED(mbox_close);
+
+       return -ENODEV;
+}
+
+static int
+nix_remove(struct rte_pci_device *pci_dev)
+{
+       struct rte_eth_dev *eth_dev;
+       int rc;
+
+       eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
+       if (eth_dev) {
+               /* Cleanup eth dev */
+               rc = otx2_eth_dev_uninit(eth_dev, true);
+               if (rc)
+                       return rc;
+
+               rte_eth_dev_pci_release(eth_dev);
+       }
+
+       /* Nothing to be done for secondary processes */
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return 0;
+
+       return 0;
+}
+
+static int
+nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+{
+       int rc;
+
+       RTE_SET_USED(pci_drv);
+
+       rc = rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct otx2_eth_dev),
+                                          otx2_eth_dev_init);
+
+       /* On error on secondary, recheck if port exists in primary or
+        * in mid of detach state.
+        */
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY && rc)
+               if (!rte_eth_dev_allocated(pci_dev->device.name))
+                       return 0;
+       return rc;
+}
+
+static const struct rte_pci_id pci_nix_map[] = {
+       {
+               RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_PF)
+       },
+       {
+               RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_VF)
+       },
+       {
+               RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
+                              PCI_DEVID_OCTEONTX2_RVU_AF_VF)
+       },
+       {
+               .vendor_id = 0,
+       },
+};
+
+static struct rte_pci_driver pci_nix = {
+       .id_table = pci_nix_map,
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA |
+                       RTE_PCI_DRV_INTR_LSC,
+       .probe = nix_probe,
+       .remove = nix_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_octeontx2, pci_nix);
+RTE_PMD_REGISTER_PCI_TABLE(net_octeontx2, pci_nix_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_octeontx2, "vfio-pci");
diff --git a/drivers/net/octeontx2/otx2_ethdev.h 
b/drivers/net/octeontx2/otx2_ethdev.h
new file mode 100644
index 000000000..fd01a3254
--- /dev/null
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#ifndef __OTX2_ETHDEV_H__
+#define __OTX2_ETHDEV_H__
+
+#include <stdint.h>
+
+#include <rte_common.h>
+
+#include "otx2_common.h"
+#include "otx2_dev.h"
+#include "otx2_irq.h"
+#include "otx2_mempool.h"
+
+struct otx2_eth_dev {
+       OTX2_DEV; /* Base class */
+} __rte_cache_aligned;
+
+static inline struct otx2_eth_dev *
+otx2_eth_pmd_priv(struct rte_eth_dev *eth_dev)
+{
+       return eth_dev->data->dev_private;
+}
+
+#endif /* __OTX2_ETHDEV_H__ */
-- 
2.21.0

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