On Thu, Sep 22, 2022 at 7:00 PM Angus Chen <angus.chen at jaguarmicro.com>
wrote:>
> The queuepair should be divided by 2
> It should not be hw->nr_vring when multi-queue feature was enabled
> fix commit 2ddae773c93b ("detect and use the onboard number ")
>
> Signed-off-by: Angus Chen <angus.chen at jaguarmicro.com>
Fixed tags should be placed above SOB. Please refer to how it is done
in other commits or Documentation/process/submitting-patches.rst.
Others look good.
Thanks
> ---
> drivers/vdpa/ifcvf/ifcvf_base.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c
b/drivers/vdpa/ifcvf/ifcvf_base.c
> index 75a703b803a2..3e4486bfa0b7 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_base.c
> +++ b/drivers/vdpa/ifcvf/ifcvf_base.c
> @@ -323,7 +323,7 @@ u16 ifcvf_get_vq_state(struct ifcvf_hw *hw, u16 qid)
> u32 q_pair_id;
>
> ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg;
> - q_pair_id = qid / hw->nr_vring;
> + q_pair_id = qid / 2;
> avail_idx_addr =
&ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid % 2];
> last_avail_idx = vp_ioread16(avail_idx_addr);
>
> @@ -337,7 +337,7 @@ int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid,
u16 num)
> u32 q_pair_id;
>
> ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg;
> - q_pair_id = qid / hw->nr_vring;
> + q_pair_id = qid / 2;
> avail_idx_addr =
&ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid % 2];
> hw->vring[qid].last_avail_idx = num;
> vp_iowrite16(num, avail_idx_addr);
> --
> 2.17.1
>