From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755165AbcBCL2y (ORCPT ); Wed, 3 Feb 2016 06:28:54 -0500 Received: from smtprelay.synopsys.com ([198.182.47.9]:40533 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754232AbcBCL2v (ORCPT ); Wed, 3 Feb 2016 06:28:51 -0500 From: Joao Pinto To: santosh.sy@samsung.com, h.vinayak@samsung.com, julian.calaby@gmail.com, akinobu.mita@gmail.com, hch@infradead.org Cc: gbroner@codeaurora.org, subhashj@codeaurora.org, CARLOS.PALMINHA@synopsys.com, ijc+devicetree@hellion.org.uk, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, Joao Pinto Subject: [PATCH 2/3] added support for ufs 2.0 Date: Wed, 3 Feb 2016 11:28:25 +0000 Message-Id: <7e2182b745cad6e10704c9a8dc4e59564c8ae6e9.1454498292.git.jpinto@synopsys.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Joao Pinto --- drivers/scsi/ufs/ufshcd.c | 29 +++++++++++++++++++++++++---- drivers/scsi/ufs/ufshci.h | 1 + 2 files changed, 26 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 85cd256..2b5f2bf 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1223,6 +1223,7 @@ static int ufshcd_compose_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) ret = -EINVAL; } break; + case UTP_CMD_TYPE_UFS_STORAGE: case UTP_CMD_TYPE_DEV_MANAGE: ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE); if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY) @@ -1287,6 +1288,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) struct ufshcd_lrb *lrbp; struct ufs_hba *hba; unsigned long flags; + u32 upiu_flags; int tag; int err = 0; @@ -1343,10 +1345,23 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) lrbp->task_tag = tag; lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun); lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false; - lrbp->command_type = UTP_CMD_TYPE_SCSI; + + if (hba->ufs_version == UFSHCI_VERSION_20) + lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; + else + lrbp->command_type = UTP_CMD_TYPE_SCSI; /* form UPIU before issuing the command */ - ufshcd_compose_upiu(hba, lrbp); + if (hba->ufs_version == UFSHCI_VERSION_20) { + if (likely(lrbp->cmd)) { + ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, + lrbp->cmd->sc_data_direction); + ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags); + } else + err = -EINVAL; + } else + ufshcd_compose_upiu(hba, lrbp); + err = ufshcd_map_sg(lrbp); if (err) { lrbp->cmd = NULL; @@ -1371,7 +1386,12 @@ static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, lrbp->sense_buffer = NULL; lrbp->task_tag = tag; lrbp->lun = 0; /* device management cmd is not specific to any LUN */ - lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE; + + if (hba->ufs_version == UFSHCI_VERSION_20) + lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; + else + lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE; + lrbp->intr_cmd = true; /* No interrupt aggregation */ hba->dev_cmd.type = cmd_type; @@ -3187,7 +3207,8 @@ static void ufshcd_transfer_req_compl(struct ufs_hba *hba) /* Do not touch lrbp after scsi done */ cmd->scsi_done(cmd); __ufshcd_release(hba); - } else if (lrbp->command_type == UTP_CMD_TYPE_DEV_MANAGE) { + } else if (lrbp->command_type == UTP_CMD_TYPE_DEV_MANAGE || + lrbp->command_type == UTP_CMD_TYPE_UFS_STORAGE) { if (hba->dev_cmd.complete) complete(hba->dev_cmd.complete); } diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h index 0ae0967..8dba0e7 100644 --- a/drivers/scsi/ufs/ufshci.h +++ b/drivers/scsi/ufs/ufshci.h @@ -273,6 +273,7 @@ enum { UTP_CMD_TYPE_SCSI = 0x0, UTP_CMD_TYPE_UFS = 0x1, UTP_CMD_TYPE_DEV_MANAGE = 0x2, + UTP_CMD_TYPE_UFS_STORAGE = 0x11, }; enum { -- 1.8.1.5