On Wed, Jul 12, 2023 at 02:00:33PM +0800, Junxian Huang wrote:
> Currently, RoCE driver gets function resource values from firmware
> without validity check. As these resources are mostly related to memory,
> an invalid value may lead to serious consequence such as kernel panic.
>
> This patch adds check for these resource values and adjusts the invalid
> ones.
>
> Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
> ---
> drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 116 ++++++++++++++++++++-
> drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 37 +++++++
> 2 files changed, 149 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> index c4b92d8bd98a..dae0e6959fa0 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> @@ -1650,6 +1650,98 @@ static int hns_roce_config_global_param(struct hns_roce_dev *hr_dev)
> return hns_roce_cmq_send(hr_dev, &desc, 1);
> }
<...>
> +static inline bool check_res_is_supported(struct hns_roce_dev *hr_dev,
> + struct hns_roce_bt_num *bt_num_entry)
> +{
<...>
> +static inline void adjust_eqc_bt_num(struct hns_roce_caps *caps,
> + u16 *invalid_flag)
> +{
No inline functions in *.c files.
Thanks
