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    Subject[PATCH v8 11/22] IB/hns: Add IB device registration
    Date
    This patch registered IB device when loaded, and unregistered
    IB device when removed.

    Signed-off-by: Wei Hu <xavier.huwei@huawei.com>
    Signed-off-by: Nenglong Zhao <zhaonenglong@hisilicon.com>
    Signed-off-by: Lijun Ou <oulijun@huawei.com>
    ---
    drivers/infiniband/hw/hns/hns_roce_main.c | 47 +++++++++++++++++++++++++++++++
    1 file changed, 47 insertions(+)

    diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
    index 589a9f7..788fe69 100644
    --- a/drivers/infiniband/hw/hns/hns_roce_main.c
    +++ b/drivers/infiniband/hw/hns/hns_roce_main.c
    @@ -62,6 +62,41 @@
    #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;
    @@ -367,6 +402,17 @@ 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);

    @@ -402,6 +448,7 @@ 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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