From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932104AbbKQQhA (ORCPT ); Tue, 17 Nov 2015 11:37:00 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:10372 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752859AbbKQQg4 (ORCPT ); Tue, 17 Nov 2015 11:36:56 -0500 From: John Garry To: , , , , , , CC: , , , , , , , , Subject: [PATCH v5 28/32] scsi: hisi_sas: add scan finished and start Date: Wed, 18 Nov 2015 00:50:55 +0800 Message-ID: <1447779059-136143-29-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447779059-136143-1-git-send-email-john.garry@huawei.com> References: <1447779059-136143-1-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=0001.0A020203.564B5798.0258,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: 5311ecc684eab3b5183c833302b76b9e Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add functions for scsi host template scan_finished and scan_start methods Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas.h | 1 + drivers/scsi/hisi_sas/hisi_sas_main.c | 25 +++++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index f34f73b..15adeca 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -156,6 +156,7 @@ struct hisi_hba { u8 sas_addr[SAS_ADDR_SIZE]; int n_phy; + int scan_finished; spinlock_t lock; struct timer_list timer; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 406ffa0..63ebaf3 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -403,6 +403,29 @@ static int hisi_sas_dev_found(struct domain_device *device) return 0; } +static void hisi_sas_scan_start(struct Scsi_Host *shost) +{ + struct hisi_hba *hisi_hba = shost_priv(shost); + int i; + + for (i = 0; i < hisi_hba->n_phy; ++i) + hisi_sas_bytes_dmaed(hisi_hba, i); + + hisi_hba->scan_finished = 1; +} + +static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time) +{ + struct hisi_hba *hisi_hba = shost_priv(shost); + struct sas_ha_struct *sha = &hisi_hba->sha; + + if (hisi_hba->scan_finished == 0) + return 0; + + sas_drain_work(sha); + return 1; +} + static void hisi_sas_phyup_work(struct work_struct *work) { struct hisi_sas_phy *phy = @@ -587,6 +610,8 @@ static struct scsi_host_template hisi_sas_sht = { .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, + .scan_finished = hisi_sas_scan_finished, + .scan_start = hisi_sas_scan_start, .change_queue_depth = sas_change_queue_depth, .bios_param = sas_bios_param, .can_queue = 1, -- 1.9.1