From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756610AbbJAIXM (ORCPT ); Thu, 1 Oct 2015 04:23:12 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:43304 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756469AbbJAIXG (ORCPT ); Thu, 1 Oct 2015 04:23:06 -0400 X-AuditID: cbfee68e-f791c6d000001498-57-560ced699441 From: Alim Akhtar To: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: JBottomley@odin.com, vinholikatti@gmail.com, amit.daniel@samsung.com, essuuj@gmail.com, devicetree@vger.kernel.org Subject: [PATCH v3 07/13] scsi: ufs: add specific callback for nexus type Date: Thu, 01 Oct 2015 13:39:24 +0530 Message-id: <1443686970-28104-8-git-send-email-alim.akhtar@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1443686970-28104-1-git-send-email-alim.akhtar@samsung.com> References: <1443686970-28104-1-git-send-email-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrMLMWRmVeSWpSXmKPExsWyRsSkSjfzLU+YwcxmQYuGqyEW84+cY7VY fmEJk8X/9bdZLC7vmsNm0X19B5vFjoVVDuweO2fdZfc4/OMHs0ffllWMHp83yQWwRHHZpKTm ZJalFunbJXBlNC1sZyv4LFbRceUaewPjQuEuRg4OCQETiXk/CrsYOYFMMYkL99azdTFycQgJ rGCU+Hf6JCNEwkSif9VDFojELEaJVQePskI4PxklDrx5zgZSxSagLXF3+hYmEFtEwEbi/M0H YDazQIXErTMTWEBsYQFPiQNf74FNZRFQlfi4aA9YDa+Au8Sj8+tZIbYpSnQ/m8AGch2ngIfE t0WhIGEhoJIPd5czguyVEJjMLnH50i5WiDkCEt8mH2KB+EZWYtMBZogxkhIHV9xgmcAovICR YRWjaGpBckFxUnqRkV5xYm5xaV66XnJ+7iZGYFif/vesbwfjzQPWhxgFOBiVeHgl0nnChFgT y4orcw8xmgJtmMgsJZqcD4yevJJ4Q2MzIwtTE1NjI3NLMyVx3gSpn8FCAumJJanZqakFqUXx RaU5qcWHGJk4OKUaGOXzXrD9i2S4mSrbv/yS1/FJva8/fo61Ozp1n8vhWf0FL6SFJ26uaszy v/N529X0LT/4/5e/ZXzq73Gt2CYtV0A6INPn47OvG85ZJR7fq3ZHjI9p0vakLRz5V3d3KAfL 5ji9k1Ssyrx+WlufUyrRQ6vB5YzgtO87rN5luuirfOkIeihnd3DBCyWW4oxEQy3mouJEAKTy PdtmAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrIIsWRmVeSWpSXmKPExsVy+t9jQd3MtzxhBpc2sFo0XA2xmH/kHKvF 8gtLmCz+r7/NYnF51xw2i+7rO9gsdiyscmD32DnrLrvH4R8/mD36tqxi9Pi8SS6AJaqB0SYj NTEltUghNS85PyUzL91WyTs43jne1MzAUNfQ0sJcSSEvMTfVVsnFJ0DXLTMH6AAlhbLEnFKg UEBicbGSvh2mCaEhbroWMI0Rur4hQXA9RgZoIGENY0bTwna2gs9iFR1XrrE3MC4U7mLk5JAQ MJHoX/WQBcIWk7hwbz1bFyMXh5DALEaJVQePskI4PxklDrx5zgZSxSagLXF3+hYmEFtEwEbi /M0HYDazQIXErTMTwCYJC3hKHPh6jxHEZhFQlfi4aA9YDa+Au8Sj8+tZIbYpSnQ/mwA0k4OD U8BD4tuiUJCwEFDJh7vLGScw8i5gZFjFKJFakFxQnJSea5SXWq5XnJhbXJqXrpecn7uJERw9 z6R3MB7e5X6IUYCDUYmH90AKT5gQa2JZcWXuIUYJDmYlEd6D94BCvCmJlVWpRfnxRaU5qcWH GE2B7prILCWanA+M7LySeENjE3NTY1NLEwsTM0slcd4bhxjChATSE0tSs1NTC1KLYPqYODil GhhXfhDlear6rJ6B48fx1lMtv3/OSz6yU73d6kPf6TsskfZZPIuvSs7T2aj+eGfQ1pVcUnvn 7/847d8HHVXzyKBZ3z9lhv2YVFrJLzs9qtHTjeWk9oc7zrMOeEuYXi90aLhn8H//uQ2uqWaC od/9/a3Pz3qcE79BsZ77kcaHu8csEll0gvOX+r9SYinOSDTUYi4qTgQAsU9iirQCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Seungwon Jeon Some host controller needs nexus type information for handling command. This change adds specific callback function to support vendor's implementation. Signed-off-by: Seungwon Jeon Signed-off-by: Alim Akhtar --- drivers/scsi/ufs/ufshcd.c | 6 ++++++ drivers/scsi/ufs/ufshcd.h | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 07659be..46f92fe 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1378,6 +1378,8 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) /* issue command to the controller */ spin_lock_irqsave(hba->host->host_lock, flags); + if (hba->vops && hba->vops->specify_nexus_t_xfer_req) + hba->vops->specify_nexus_t_xfer_req(hba, tag, lrbp->cmd); ufshcd_send_command(hba, tag); out_unlock: spin_unlock_irqrestore(hba->host->host_lock, flags); @@ -1578,6 +1580,8 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, hba->dev_cmd.complete = &wait; spin_lock_irqsave(hba->host->host_lock, flags); + if (hba->vops && hba->vops->specify_nexus_t_xfer_req) + hba->vops->specify_nexus_t_xfer_req(hba, tag, lrbp->cmd); ufshcd_send_command(hba, tag); spin_unlock_irqrestore(hba->host->host_lock, flags); @@ -3849,6 +3853,8 @@ static int ufshcd_issue_tm_cmd(struct ufs_hba *hba, int lun_id, int task_id, task_req_upiup->input_param2 = cpu_to_be32(task_id); /* send command to the controller */ + if (hba->vops && hba->vops->specify_nexus_t_tm_req) + hba->vops->specify_nexus_t_tm_req(hba, free_slot, tm_function); __set_bit(free_slot, &hba->outstanding_tasks); ufshcd_writel(hba, 1 << free_slot, REG_UTP_TASK_REQ_DOOR_BELL); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index a4543c8..75af314 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -257,6 +257,9 @@ struct ufs_pwr_mode_info { * @pwr_change_notify: called before and after a power mode change * is carried out to allow vendor spesific capabilities * to be set. + * @specify_nexus_t_xfer_req: + * @specify_nexus_t_tm_req: called before command is issued to allow vendor + * specific handling to be set for nexus type. * @suspend: called during host controller PM callback * @resume: called during host controller PM callback */ @@ -273,6 +276,9 @@ struct ufs_hba_variant_ops { int (*pwr_change_notify)(struct ufs_hba *, bool, struct ufs_pa_layer_attr *, struct ufs_pa_layer_attr *); + void (*specify_nexus_t_xfer_req)(struct ufs_hba *, + int, struct scsi_cmnd *); + void (*specify_nexus_t_tm_req)(struct ufs_hba *, int, u8); int (*suspend)(struct ufs_hba *, enum ufs_pm_op); int (*resume)(struct ufs_hba *, enum ufs_pm_op); }; -- 1.7.10.4