RDMA/hns: Fix the chip hanging caused by sending doorbell during reset

Browse source

On hi08 chip, There is a possibility of chip hanging when sending doorbell
during reset. We can fix it by prohibiting doorbell during reset.

Fixes: 2d40788825 ("RDMA/hns: Add support for processing send wr and receive wr")
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

...

This commit is contained in:

Wei Hu (Xavier) 2019-02-03 20:43:15 +08:00 • committed by Jason Gunthorpe

parent 6a04aed6af

commit d3743fa94c

3 changed files with 28 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/infiniband/hw/hns/hns_roce_device.h

View file

25

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

View file

11

drivers/infiniband/hw/hns/hns_roce_hw_v2.h

View file