[PATCH for-next 6/9] RDMA/hns: Fix VF triggering PF reset in abnormal interrupt handler

Junxian Huang
2024-09-06T09:40:39Z

In abnormal interrupt handler, a PF reset will be triggered even if
the device is a VF. It should be a VF reset.

Fixes: 2b9acb9a97fe ("RDMA/hns: Add the process of AEQ overflow for hip08")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index adcadd2495ab..74bab07c10e5 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -6201,6 +6201,7 @@ static irqreturn_t abnormal_interrupt_basic(struct hns_roce_dev *hr_dev,
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;
+ enum hnae3_reset_type reset_type;
irqreturn_t int_work = IRQ_NONE;
u32 int_en;

@@ -6212,10 +6213,12 @@ static irqreturn_t abnormal_interrupt_basic(struct hns_roce_dev *hr_dev,
roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG,
1 << HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S);

+ reset_type = hr_dev->is_vf ?
+ HNAE3_VF_FUNC_RESET : HNAE3_FUNC_RESET;
+
/* Set reset level for reset_event() */
if (ops->set_default_reset_request)
- ops->set_default_reset_request(ae_dev,
- HNAE3_FUNC_RESET);
+ ops->set_default_reset_request(ae_dev, reset_type);
if (ops->reset_event)
ops->reset_event(pdev, NULL);

--
2.33.0