RE: [PATCH v21 2/4] scsi: ufs: L2P map management for HPB read
From: Avri Altman <Avri.Altman@wdc.com>
Date: 2021-02-21 12:07:59
Also in:
lkml
From: Avri Altman <Avri.Altman@wdc.com>
Date: 2021-02-21 12:07:59
Also in:
lkml
+void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(lrbp->cmd->device);
+ struct utp_hpb_rsp *rsp_field;
+ int data_seg_len;
+
+ if (!hpb)
+ return;
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+ dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: ufshpb state is not PRESENT\n", __func__);
+ return;
+ }Theoretically, SSU response upiu may carry hpb sense data, isn't it? Thanks, Avri