This is a note to let you know that I've just added the patch titled
RDMA/hns: Fix VF triggering PF reset in abnormal interrupt handler
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-hns-fix-vf-triggering-pf-reset-in-abnormal-inte.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0b2da7c6262693517a5cd0e852541e5cf83f0554
Author: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
Date: Fri Sep 6 17:34:41 2024 +0800
RDMA/hns: Fix VF triggering PF reset in abnormal interrupt handler
[ Upstream commit 4321feefa5501a746ebf6a7d8b59e6b955ae1860 ]
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@xxxxxxxxxxxxx>
Link: https://patch.msgid.link/20240906093444.3571619-7-huangjunxian6@xxxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 92cff8d014cbe..64d458fd39ba9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5814,6 +5814,7 @@ 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;
@@ -5825,10 +5826,12 @@ 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);
