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Message-ID: <1461845396-61306-12-git-send-email-oulijun@huawei.com>
Date:	Thu, 28 Apr 2016 20:09:46 +0800
From:	Lijun Ou <oulijun@...wei.com>
To:	<dledford@...hat.com>, <sean.hefty@...el.com>,
	<hal.rosenstock@...il.com>, <davem@...emloft.net>,
	<jeffrey.t.kirsher@...el.com>, <jiri@...lanox.com>,
	<ogerlitz@...lanox.com>
CC:	<linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<netdev@...r.kernel.org>, <gongyangming@...wei.com>,
	<xiaokun@...wei.com>, <tangchaofei@...wei.com>,
	<oulijun@...wei.com>, <haifeng.wei@...wei.com>,
	<yisen.zhuang@...wei.com>, <yankejian@...wei.com>,
	<charles.chenxin@...wei.com>, <linuxarm@...wei.com>
Subject: [PATCH v6 11/21] IB/hns: Add IB device registration

This patch registered IB device and unregistered IB device
when removed.

Signed-off-by: Wei Hu <xavier.huwei@...wei.com>
Signed-off-by: Nenglong Zhao <zhaonenglong@...ilicon.com>
Signed-off-by: Lijun Ou <oulijun@...wei.com>
---
 drivers/infiniband/hw/hns/hns_roce_main.c | 48 +++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 64c6b89..b26509b 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -43,6 +43,42 @@
 #include "hns_roce_device.h"
 #include "hns_roce_icm.h"
 
+void hns_roce_unregister_device(struct hns_roce_dev *hr_dev)
+{
+	ib_unregister_device(&hr_dev->ib_dev);
+}
+
+int hns_roce_register_device(struct hns_roce_dev *hr_dev)
+{
+	int ret;
+	struct hns_roce_ib_iboe *iboe = NULL;
+	struct ib_device *ib_dev = NULL;
+	struct device *dev = &hr_dev->pdev->dev;
+
+	iboe = &hr_dev->iboe;
+
+	ib_dev = &hr_dev->ib_dev;
+	strlcpy(ib_dev->name, "hisi_%d", IB_DEVICE_NAME_MAX);
+
+	ib_dev->owner			= THIS_MODULE;
+	ib_dev->node_type		= RDMA_NODE_IB_CA;
+	ib_dev->dma_device		= dev;
+
+	ib_dev->phys_port_cnt		= hr_dev->caps.num_ports;
+	ib_dev->local_dma_lkey		= hr_dev->caps.reserved_lkey;
+	ib_dev->num_comp_vectors	= hr_dev->caps.num_comp_vectors;
+	ib_dev->uverbs_abi_ver		= 1;
+
+	ret = ib_register_device(ib_dev, NULL);
+	if (ret) {
+		dev_err(dev, "ib_register_device failed!\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+
 int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
 {
 	int i;
@@ -348,6 +384,17 @@ static int hns_roce_probe(struct platform_device *pdev)
 		goto error_failed_engine_init;
 	}
 
+	ret = hns_roce_register_device(hr_dev);
+	if (ret) {
+		dev_err(dev, "register_device failed!\n");
+		goto error_failed_register_device;
+	}
+
+	return 0;
+
+error_failed_register_device:
+	hns_roce_engine_uninit(hr_dev);
+
 error_failed_engine_init:
 	hns_roce_cleanup_bitmap(hr_dev);
 
@@ -383,6 +430,7 @@ static int hns_roce_remove(struct platform_device *pdev)
 {
 	struct hns_roce_dev *hr_dev = platform_get_drvdata(pdev);
 
+	hns_roce_unregister_device(hr_dev);
 	hns_roce_engine_uninit(hr_dev);
 	hns_roce_cleanup_bitmap(hr_dev);
 	hns_roce_cleanup_icm(hr_dev);
-- 
1.9.1

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