On Mon, Nov 26, 2018 at 03:02:08PM +0800, tanxiaofei wrote: > Hi Leon > > On 2018/11/25 16:46, Leon Romanovsky wrote: > > On Sat, Nov 24, 2018 at 11:21:50AM +0800, tanxiaofei wrote: > >> > >> Hi Jason > >> > >> On 2018/11/24 4:18, Jason Gunthorpe wrote: > >>> On Fri, Nov 23, 2018 at 03:46:08PM +0800, Yixian Liu wrote: > >>>> From: Xiaofei Tan <tanxiaofei@xxxxxxxxxx> > >>>> > >>>> AEQ overflow will be reported by hardware when too many > >>>> asynchronous events occured but not be handled in time. > >>>> Normally, AEQ overflow error is not easy to occur. Once > >>>> happened, we have to do physical function reset to recover. > >>>> PF reset is implemented in two steps. Firstly, set reset > >>>> level with ae_dev->ops->set_default_reset_request. > >>>> Secondly, run reset with ae_dev->ops->reset_event. > >>>> > >>>> Signed-off-by: Xiaofei Tan <tanxiaofei@xxxxxxxxxx> > >>>> Signed-off-by: Yixian Liu <liuyixian@xxxxxxxxxx> > >>>> drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 11 +++++++++++ > >>>> 1 file changed, 11 insertions(+) > >>>> > >>>> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c > >>>> index 3beb152..d02fe04 100644 > >>>> +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c > >>>> @@ -4565,11 +4565,22 @@ static irqreturn_t hns_roce_v2_msix_interrupt_abn(int irq, void *dev_id) > >>>> int_en = roce_read(hr_dev, ROCEE_VF_ABN_INT_EN_REG); > >>>> > >>>> if (roce_get_bit(int_st, HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S)) { > >>>> + struct pci_dev *pdev = hr_dev->pci_dev; > >>>> + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); > >>>> + const struct hnae3_ae_ops *ops = ae_dev->ops; > >>>> + > >>>> dev_err(dev, "AEQ overflow!\n"); > >>>> > >>>> roce_set_bit(int_st, HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S, 1); > >>>> roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); > >>>> > >>>> + /* Set reset level for the following reset_event() call */ > >>>> + if (ops->set_default_reset_request) > >>>> + ops->set_default_reset_request(ae_dev, > >>>> + HNAE3_FUNC_RESET); > >>> > >>> This doesn't compile: > >>> > >>> drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function ‘hns_roce_v2_msix_interrupt_abn’: > >>> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:4578:10: error: ‘const struct hnae3_ae_ops’ has no member named ‘set_default_reset_request’ > >>> if (ops->set_default_reset_request) > >>> ^~ > >>> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:4579:7: error: ‘const struct hnae3_ae_ops’ has no member named ‘set_default_reset_request’ > >>> ops->set_default_reset_request(ae_dev, > >>> ^~ > >>> > >>> You can't send patches to -rc that don't compile on -rc... > >>> > >> > >> Hi Jason > >> Sorry that I missed the patch dependency information in commit message. > >> This patch dependents on the new interface in hns NIC driver > >> those had been accept by David, the related commit as below: > >> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git > > > > You can't send -rc code which depends on -next, only vice versa is possible. > > > > OK.I will remake the patch based on for-next branch. thanks. Use for-rc if you are sending it to -rc Jason