[PATCH v5 03/32] net/sssnic: support probe and remove

[wanry]

From: Renyong Wan <wa...@3snic.com>

Register device ID for 3SNIC ethernet adapter to support
PCI ethdev probe and remove.

Signed-off-by: Steven Song <steven.s...@3snic.com>
Signed-off-by: Renyong Wan <wa...@3snic.com>
---
 drivers/net/sssnic/base/sssnic_hw.h | 11 +++++++++
 drivers/net/sssnic/sssnic_ethdev.c  | 37 +++++++++++++++++++++++++----
 2 files changed, 44 insertions(+), 4 deletions(-)
 create mode 100644 drivers/net/sssnic/base/sssnic_hw.h

diff --git a/drivers/net/sssnic/base/sssnic_hw.h 
b/drivers/net/sssnic/base/sssnic_hw.h
new file mode 100644
index 0000000000..db916b1977
--- /dev/null
+++ b/drivers/net/sssnic/base/sssnic_hw.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2022 Shenzhen 3SNIC Information Technology Co., Ltd.
+ */
+
+#ifndef _SSSNIC_HW_H_
+#define _SSSNIC_HW_H_
+
+#define SSSNIC_PCI_VENDOR_ID 0x1F3F
+#define SSSNIC_DEVICE_ID_STD 0x9020
+
+#endif /* _SSSNIC_HW_H_ */
diff --git a/drivers/net/sssnic/sssnic_ethdev.c 
b/drivers/net/sssnic/sssnic_ethdev.c
index 0f1017af9d..4f8b5c2684 100644
--- a/drivers/net/sssnic/sssnic_ethdev.c
+++ b/drivers/net/sssnic/sssnic_ethdev.c
@@ -6,25 +6,54 @@
 #include <ethdev_pci.h>
 
 #include "sssnic_log.h"
+#include "base/sssnic_hw.h"
+
+static int
+sssnic_ethdev_init(struct rte_eth_dev *ethdev)
+{
+       RTE_SET_USED(ethdev);
+       PMD_INIT_FUNC_TRACE();
+
+       return -EINVAL;
+}
+
+static int
+sssnic_ethdev_uninit(struct rte_eth_dev *ethdev)
+{
+       RTE_SET_USED(ethdev);
+       PMD_INIT_FUNC_TRACE();
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return 0;
+
+       return -EINVAL;
+}
 
 static int
 sssnic_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device 
*pci_dev)
 {
        RTE_SET_USED(pci_drv);
-       RTE_SET_USED(pci_dev);
        PMD_INIT_FUNC_TRACE();
-       return -EINVAL;
+
+       return rte_eth_dev_pci_generic_probe(pci_dev, 0, sssnic_ethdev_init);
 }
 
 static int
 sssnic_pci_remove(struct rte_pci_device *pci_dev)
 {
-       RTE_SET_USED(pci_dev);
        PMD_INIT_FUNC_TRACE();
-       return -EINVAL;
+
+       return rte_eth_dev_pci_generic_remove(pci_dev, sssnic_ethdev_uninit);
 }
 
+static const struct rte_pci_id sssnic_pci_id_map[] = {
+       { RTE_PCI_DEVICE(SSSNIC_PCI_VENDOR_ID, SSSNIC_DEVICE_ID_STD) },
+       { .vendor_id = 0 },
+};
+
 static struct rte_pci_driver sssnic_pmd = {
+       .id_table = sssnic_pci_id_map,
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
        .probe = sssnic_pci_probe,
        .remove = sssnic_pci_remove,
 };
-- 
2.27.0