On 2021/3/27 17:29, Longfang Liu Wrote:
> ctx_q_num is a module parameter set by the user to specify the
> number of qp queues required to create a ctx.
>
> When the number of qp queues allocated by PF or VF is less than
> the ctx_q_num, an error will be reported when ctx is initialized
> in kernel mode, which leads to the problem that the registered
> algorithms cannot be used.
>
> Therefore, when PF or VF is initialized, if the number of qp queues
> is not enough to create a ctx, the kernel mode cannot be used,
> and there is no need to register the kernel mode algorithms.
>
> Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx>
> ---
> drivers/crypto/hisilicon/sec2/sec_main.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
> index b1818f7..c7b71b6 100644
> --- a/drivers/crypto/hisilicon/sec2/sec_main.c
> +++ b/drivers/crypto/hisilicon/sec2/sec_main.c
> @@ -867,10 +867,15 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> if (ret)
> pci_warn(pdev, "Failed to init debugfs!\n");
>
> - ret = hisi_qm_alg_register(qm, &sec_devices);
> - if (ret < 0) {
> - pr_err("Failed to register driver to crypto.\n");
> - goto err_qm_stop;
> + if (qm->qp_num >= ctx_q_num) {
> + ret = hisi_qm_alg_register(qm, &sec_devices);
> + if (ret < 0) {
> + pr_err("Failed to register driver to crypto.\n");
> + goto err_qm_stop;
> + }
> + } else {
> + pci_warn(qm->pdev,
> + "Failed to use kernel mode, qp not enough!\n");
> }
>
> if (qm->uacce) {
>
Sorry, please don't reply to this patch, I will resend it again.
Thanks,
Longfang
