RE: [PATCH v22 2/4] scsi: ufs: L2P map management for HPB read

From: Avri Altman
Date: Tue Feb 23 2021 - 02:55:40 EST



> + if (!ufshpb_is_hpb_rsp_valid(hba, lrbp, rsp_field))
> + return;
> +
> + hpb->stats.rb_noti_cnt++;

> + switch (rsp_field->hpb_op) {
> + case HPB_RSP_NONE:
> + /* nothing to do */
> + break;
Maybe checks this too in ufshpb_is_hpb_rsp_valid

> + case HPB_RSP_REQ_REGION_UPDATE:
> + WARN_ON(data_seg_len != DEV_DATA_SEG_LEN);
> + ufshpb_rsp_req_region_update(hpb, rsp_field);
> + break;
> + case HPB_RSP_DEV_RESET:
> + dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
> + "UFS device lost HPB information during PM.\n");
> + break;
> + default:
> + dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
> + "hpb_op is not available: %d\n",
> + rsp_field->hpb_op);
> + break;
> + }
> +}