linux-kernel - RE: [PATCH v29 4/4] scsi: ufs: Add HPB 2.0 support

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Message-ID: <DM6PR04MB6575DEC175CD1D3895F1AF2BFC669@DM6PR04MB6575.namprd04.prod.outlook.com>
Date:   Sun, 21 Mar 2021 10:05:59 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "bvanassche@....org" <bvanassche@....org>,
        "huobean@...il.com" <huobean@...il.com>,
        ALIM AKHTAR <alim.akhtar@...sung.com>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        JinHwan Park <jh.i.park@...sung.com>,
        Javier Gonzalez <javier.gonz@...sung.com>,
        SEUNGUK SHIN <seunguk.shin@...sung.com>,
        Sung-Jun Park <sungjun07.park@...sung.com>,
        Jinyoung CHOI <j-young.choi@...sung.com>,
        BoRam Shin <boram.shin@...sung.com>
Subject: RE: [PATCH v29 4/4] scsi: ufs: Add HPB 2.0 support


> +static int ufshpb_execute_umap_req(struct ufshpb_lu *hpb,
> +                                  struct ufshpb_req *umap_req,
> +                                  struct ufshpb_region *rgn)
> +{
> +       struct request *req;
> +       struct scsi_request *rq;
> +
> +       req = umap_req->req;
> +       req->timeout = 0;
> +       req->end_io_data = (void *)umap_req;
> +       rq = scsi_req(req);
> +       ufshpb_set_unmap_cmd(rq->cmd, rgn);
> +       rq->cmd_len = HPB_WRITE_BUFFER_CMD_LENGTH;
> +
> +       blk_execute_rq_nowait(NULL, req, 1, ufshpb_umap_req_compl_fn);
Typo? Forgot the struct request_queue *q?

> +
> +       return 0;
> +}
> +
>  static int ufshpb_execute_map_req(struct ufshpb_lu *hpb,
>                                   struct ufshpb_req *map_req, bool last)
>  {
> @@ -533,12 +878,12 @@ static int ufshpb_execute_map_req(struct ufshpb_lu
> *hpb,
> 
>         q = hpb->sdev_ufs_lu->request_queue;
>         for (i = 0; i < hpb->pages_per_srgn; i++) {
> -               ret = bio_add_pc_page(q, map_req->bio, map_req->mctx->m_page[i],
> +               ret = bio_add_pc_page(q, map_req->bio, map_req->rb.mctx-
> >m_page[i],
>                                       PAGE_SIZE, 0);
>                 if (ret != PAGE_SIZE) {
>                         dev_err(&hpb->sdev_ufs_lu->sdev_dev,
>                                    "bio_add_pc_page fail %d - %d\n",
> -                                  map_req->rgn_idx, map_req->srgn_idx);
> +                                  map_req->rb.rgn_idx, map_req->rb.srgn_idx);
>                         return ret;
>                 }
>         }
> @@ -554,8 +899,8 @@ static int ufshpb_execute_map_req(struct ufshpb_lu
> *hpb,
>         if (unlikely(last))
>                 mem_size = hpb->last_srgn_entries * HPB_ENTRY_SIZE;
> 
> -       ufshpb_set_read_buf_cmd(rq->cmd, map_req->rgn_idx,
> -                               map_req->srgn_idx, mem_size);
> +       ufshpb_set_read_buf_cmd(rq->cmd, map_req->rb.rgn_idx,
> +                               map_req->rb.srgn_idx, mem_size);
>         rq->cmd_len = HPB_READ_BUFFER_CMD_LENGTH;
> 
>         blk_execute_rq_nowait(NULL, req, 1, ufshpb_map_req_compl_fn);
Ditto


Thanks,
Avri