> +static int ufs_bsg_exec_advanced_rpmb_req(struct ufs_hba *hba, struct
> +bsg_job *job) {
> + struct ufs_rpmb_request *rpmb_request = job->request;
> + struct ufs_rpmb_reply *rpmb_reply = job->reply;
> + struct bsg_buffer *payload = NULL;
> + enum dma_data_direction dir;
> + struct scatterlist *sg_list;
> + int rpmb_req_type;
> + int sg_cnt;
> + int ret;
> + int data_len;
> +
> + if (hba->ufs_version < ufshci_version(4, 0) || !hba-
> >dev_info.b_advanced_rpmb_en ||
> + !(hba->capabilities & MASK_EHSLUTRD_SUPPORTED))
> + return -EINVAL;
> +
> + if (rpmb_request->ehs_req.length != 2 || rpmb_request-
> >ehs_req.ehs_type != 1)
> + return -EINVAL;
Maybe you could also check:
In case of rpmb write, the request payload 4096 × Advanced RPMB Block Count,
And same goes for response payload for rpmb read.
Thanks,
Avri
