Re: [PATCH v4 for-next] RDMA/hns: Add support for reporting wc as software mode

[Jason Gunthorpe <jgg@ziepe.ca>]

On Thu, Jan 09, 2020 at 08:20:12PM +0800, Weihang Li wrote:
> From: Xi Wang <wangxi11@huawei.com>
> 
> When hardware is in resetting stage, we may can't poll back all the
> expected work completions as the hardware won't generate cqe anymore.
> 
> This patch allows the driver to compose the expected wc instead of the
> hardware during resetting stage. Once the hardware finished resetting, we
> can poll cq from hardware again.
> 
> Signed-off-by: Xi Wang <wangxi11@huawei.com>
> Signed-off-by: Weihang Li <liweihang@huawei.com>
> ---
> Sorry to keep sending new version of this patch. It was because some issues
> were found since last version or there are some conflicts to apply it to
> the branch.
> 
> Considering that this patch hasn't got comments from any others in the
> community, please forget about previous versions and treat this as a new
> one. Any suggestions will be appreciated.
> 
> Changes since v3:
> - Fix conflicts with recently applied patches.
> 
> Changes since v2:
> - Fix cq poll failure for qp1 when device reseting and do a rebase.
> 
> Changes since v1:
> - Remove a deplicate cq_clean statement.
> 
>  drivers/infiniband/hw/hns/hns_roce_cq.c     |   2 +
>  drivers/infiniband/hw/hns/hns_roce_device.h |  17 +++
>  drivers/infiniband/hw/hns/hns_roce_hw_v1.c  |  14 ++-
>  drivers/infiniband/hw/hns/hns_roce_hw_v2.c  | 158 +++++++++++++++++++++++-----
>  drivers/infiniband/hw/hns/hns_roce_main.c   |  47 +++++++++
>  drivers/infiniband/hw/hns/hns_roce_qp.c     |  48 ++++++++-
>  6 files changed, 252 insertions(+), 34 deletions(-)

Applied to for-next, thanks

Jason