| Message ID | 1464795484-77395-12-git-send-email-oulijun@huawei.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
On Wed, Jun 01, 2016 at 11:37:53PM +0800, Lijun Ou wrote: > 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 | 46 +++++++++++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > > diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c > index 7fb0d34..f179a7f 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) You are not calling to this function in this patch. > +{ > + ib_unregister_device(&hr_dev->ib_dev); > +} > + > +int hns_roce_register_device(struct hns_roce_dev *hr_dev) This function should be static. > +{ > + 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; > @@ -363,6 +398,17 @@ 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"); According to the current code, you will print this error together with error line in hns_roce_register_device for the same failure. "ib_register_device failed!" "register_device failed!" > + goto error_failed_register_device; > + } > + > + return 0; > + > +error_failed_register_device: > + hns_roce_engine_exit(hr_dev); > + > error_failed_engine_init: > hns_roce_cleanup_bitmap(hr_dev); > > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
On 2016/6/9 14:26, Leon Romanovsky wrote: > On Wed, Jun 01, 2016 at 11:37:53PM +0800, Lijun Ou wrote: >> 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 | 46 +++++++++++++++++++++++++++++++ >> 1 file changed, 46 insertions(+) >> >> diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c >> index 7fb0d34..f179a7f 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) > You are not calling to this function in this patch. > >> +{ >> + ib_unregister_device(&hr_dev->ib_dev); >> +} >> + >> +int hns_roce_register_device(struct hns_roce_dev *hr_dev) > This function should be static. > >> +{ >> + 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; >> @@ -363,6 +398,17 @@ 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"); > According to the current code, you will print this error together with > error line in hns_roce_register_device for the same failure. > > "ib_register_device failed!" > "register_device failed!" Hi, leon In this patch [PATCH v9 11/22], there is only one error branch in funtion named hns_roce_register_device. In the following patch [PATCH v9 13/22], we add more operation, there are more than two error branch in this function as below. @@ -212,8 +402,27 @@ int hns_roce_register_device(struct hns_roce_dev *hr_dev) goto error_failed_setup_mtu_gids; } spin_lock_init(&iboe->lock); iboe->nb.notifier_call = hns_roce_netdev_event; ret = register_netdevice_notifier(&iboe->nb); if (ret) { dev_err(dev, "register_netdevice_notifier failed!\n"); goto error_failed_setup_mtu_gids; } iboe->nb_inet.notifier_call = hns_roce_inet_event; ret = register_inetaddr_notifier(&iboe->nb_inet); if (ret) { dev_err(dev, "register inet addr notifier failed!\n"); goto error_failed_register_inetaddr_notifier; } return 0; error_failed_register_inetaddr_notifier: unregister_netdevice_notifier(&iboe->nb); error_failed_setup_mtu_gids: ib_unregister_device(ib_dev); Regards Wei Hu > >> + goto error_failed_register_device; >> + } >> + >> + return 0; >> + >> +error_failed_register_device: >> + hns_roce_engine_exit(hr_dev); >> + >> error_failed_engine_init: >> hns_roce_cleanup_bitmap(hr_dev); >> >> -- >> 1.9.1 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Sun, Jun 12, 2016 at 05:41:06PM +0800, Wei Hu (Xavier) wrote: > > > On 2016/6/9 14:26, Leon Romanovsky wrote: > >On Wed, Jun 01, 2016 at 11:37:53PM +0800, Lijun Ou wrote: > >>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 | 46 +++++++++++++++++++++++++++++++ > >> 1 file changed, 46 insertions(+) > >> > >>diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c > >>index 7fb0d34..f179a7f 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) > >You are not calling to this function in this patch. > > > >>+{ > >>+ ib_unregister_device(&hr_dev->ib_dev); > >>+} > >>+ > >>+int hns_roce_register_device(struct hns_roce_dev *hr_dev) > >This function should be static. > > > >>+{ > >>+ 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; > >>@@ -363,6 +398,17 @@ 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"); > >According to the current code, you will print this error together with > >error line in hns_roce_register_device for the same failure. > > > >"ib_register_device failed!" > >"register_device failed!" > Hi, leon > In this patch [PATCH v9 11/22], there is only one error branch in > funtion named hns_roce_register_device. > In the following patch [PATCH v9 13/22], we add more operation, there > are more > than two error branch in this function as below. Yes, and in all these error flows you already printed debug messages, your "register_device failed" print is useless.
On 2016/6/13 20:46, Leon Romanovsky wrote: > On Sun, Jun 12, 2016 at 05:41:06PM +0800, Wei Hu (Xavier) wrote: >> >> On 2016/6/9 14:26, Leon Romanovsky wrote: >>> On Wed, Jun 01, 2016 at 11:37:53PM +0800, Lijun Ou wrote: >>>> 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 | 46 +++++++++++++++++++++++++++++++ >>>> 1 file changed, 46 insertions(+) >>>> >>>> diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c >>>> index 7fb0d34..f179a7f 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) >>> You are not calling to this function in this patch. >>> >>>> +{ >>>> + ib_unregister_device(&hr_dev->ib_dev); >>>> +} >>>> + >>>> +int hns_roce_register_device(struct hns_roce_dev *hr_dev) >>> This function should be static. >>> >>>> +{ >>>> + 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; >>>> @@ -363,6 +398,17 @@ 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"); >>> According to the current code, you will print this error together with >>> error line in hns_roce_register_device for the same failure. >>> >>> "ib_register_device failed!" >>> "register_device failed!" >> Hi, leon >> In this patch [PATCH v9 11/22], there is only one error branch in >> funtion named hns_roce_register_device. >> In the following patch [PATCH v9 13/22], we add more operation, there >> are more >> than two error branch in this function as below. > Yes, and in all these error flows you already printed debug messages, your > "register_device failed" print is useless. Hi, leon We have fixed it. And Oulijun have sent PATCH V10. Thanks Regards Wei Hu -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 7fb0d34..f179a7f 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; @@ -363,6 +398,17 @@ 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_exit(hr_dev); + error_failed_engine_init: hns_roce_cleanup_bitmap(hr_dev);