From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423938AbdEYLh0 (ORCPT ); Thu, 25 May 2017 07:37:26 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:6385 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763946AbdEYLeh (ORCPT ); Thu, 25 May 2017 07:34:37 -0400 From: John Garry To: , CC: , , , , , Xiang Chen , John Garry Subject: [PATCH v2 19/22] scsi: hisi_sas: add get_wideport_bitmap_v3_hw() Date: Thu, 25 May 2017 20:05:08 +0800 Message-ID: <1495713911-80476-20-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1495713911-80476-1-git-send-email-john.garry@huawei.com> References: <1495713911-80476-1-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=0001.0A020206.5926C14B.001C,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 6ec8f0d8ecabf5a01886f362295cd183 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xiang Chen Add code for interface get_wide_port_bitmap_v3_hw(). Signed-off-by: John Garry Signed-off-by: Xiang Chen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 6273368..4169e6a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -616,6 +616,18 @@ static void sl_notify_v3_hw(struct hisi_hba *hisi_hba, int phy_no) hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control); } +static int get_wideport_bitmap_v3_hw(struct hisi_hba *hisi_hba, int port_id) +{ + int i, bitmap = 0; + u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA); + + for (i = 0; i < hisi_hba->n_phy; i++) + if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id) + bitmap |= 1 << i; + + return bitmap; +} + /** * The callpath to this function and upto writing the write * queue pointer should be safe from interruption. @@ -1721,6 +1733,7 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev) .setup_itct = setup_itct_v3_hw, .max_command_entries = HISI_SAS_COMMAND_ENTRIES_V3_HW, .sl_notify = sl_notify_v3_hw, + .get_wideport_bitmap = get_wideport_bitmap_v3_hw, .complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr), .free_device = free_device_v3_hw, .prep_ssp = prep_ssp_v3_hw, -- 1.9.1