From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941405AbcHJTVf (ORCPT ); Wed, 10 Aug 2016 15:21:35 -0400 Received: from dfwrgout.huawei.com ([206.16.17.72]:35135 "EHLO dfwrgout.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933535AbcHJTVc (ORCPT ); Wed, 10 Aug 2016 15:21:32 -0400 From: John Garry To: , CC: , , , , , , John Garry Subject: [PATCH 4/8] hisi_sas: add prep_abort_v2_hw() Date: Wed, 10 Aug 2016 21:20:01 +0800 Message-ID: <1470835205-65684-5-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1470835205-65684-1-git-send-email-john.garry@huawei.com> References: <1470835205-65684-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.57AB2665.01DA,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: debedeb820c6b5024332fec1522176e0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add function to prepare the an internal abort for v2 hw. Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index f965604..fec1675 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -174,6 +174,10 @@ /* HW dma structures */ /* Delivery queue header */ /* dw0 */ +#define CMD_HDR_ABORT_FLAG_OFF 0 +#define CMD_HDR_ABORT_FLAG_MSK (0x3 << CMD_HDR_ABORT_FLAG_OFF) +#define CMD_HDR_ABORT_DEVICE_TYPE_OFF 2 +#define CMD_HDR_ABORT_DEVICE_TYPE_MSK (0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF) #define CMD_HDR_RESP_REPORT_OFF 5 #define CMD_HDR_RESP_REPORT_MSK (0x1 << CMD_HDR_RESP_REPORT_OFF) #define CMD_HDR_TLR_CTRL_OFF 6 @@ -214,6 +218,8 @@ #define CMD_HDR_DIF_SGL_LEN_MSK (0xffff << CMD_HDR_DIF_SGL_LEN_OFF) #define CMD_HDR_DATA_SGL_LEN_OFF 16 #define CMD_HDR_DATA_SGL_LEN_MSK (0xffff << CMD_HDR_DATA_SGL_LEN_OFF) +#define CMD_HDR_ABORT_IPTT_OFF 16 +#define CMD_HDR_ABORT_IPTT_MSK (0xffff << CMD_HDR_ABORT_IPTT_OFF) /* Completion header */ /* dw0 */ @@ -1775,6 +1781,32 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, return 0; } +static int prep_abort_v2_hw(struct hisi_hba *hisi_hba, + struct hisi_sas_slot *slot, + int device_id, int abort_flag, int tag_to_abort) +{ + struct sas_task *task = slot->task; + struct domain_device *dev = task->dev; + struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; + struct hisi_sas_port *port = slot->port; + + /* dw0 */ + hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/ + (port->id << CMD_HDR_PORT_OFF) | + ((dev_is_sata(dev) ? 1:0) << + CMD_HDR_ABORT_DEVICE_TYPE_OFF) | + (abort_flag << CMD_HDR_ABORT_FLAG_OFF)); + + /* dw1 */ + hdr->dw1 = cpu_to_le32(device_id << CMD_HDR_DEV_ID_OFF); + + /* dw7 */ + hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF); + hdr->transfer_tags = cpu_to_le32(slot->idx); + + return 0; +} + static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba) { int i, res = 0; @@ -2239,6 +2271,7 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = { .prep_smp = prep_smp_v2_hw, .prep_ssp = prep_ssp_v2_hw, .prep_stp = prep_ata_v2_hw, + .prep_abort = prep_abort_v2_hw, .get_free_slot = get_free_slot_v2_hw, .start_delivery = start_delivery_v2_hw, .slot_complete = slot_complete_v2_hw, -- 1.9.1