From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Garry Subject: [PATCH v2 10/32] scsi: hisi_sas: add cq structure initialization Date: Mon, 26 Oct 2015 22:14:41 +0800 Message-ID: <1445868903-183817-11-git-send-email-john.garry@huawei.com> References: <1445868903-183817-1-git-send-email-john.garry@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1445868903-183817-1-git-send-email-john.garry@huawei.com> Sender: linux-scsi-owner@vger.kernel.org To: JBottomley@odin.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, arnd@arndb.de Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linuxarm@huawei.com, john.garry2@mail.dcu.ie, hare@suse.de, xuwei5@hisilicon.com, zhangfei.gao@linaro.org, John Garry List-Id: devicetree@vger.kernel.org Each completion queue has a structure. This is mainly for passing to irq handler so we know which queue the irq occured on. Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas.h | 7 +++++++ drivers/scsi/hisi_sas/hisi_sas_main.c | 6 ++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index b6889f4..817fcb1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -46,6 +46,11 @@ struct hisi_sas_port { struct asd_sas_port sas_port; }; +struct hisi_sas_cq { + struct hisi_hba *hisi_hba; + int id; +}; + struct hisi_sas_slot { }; @@ -73,6 +78,8 @@ struct hisi_hba { /* SCSI/SAS glue */ struct sas_ha_struct sha; struct Scsi_Host *shost; + + struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES]; struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS]; struct hisi_sas_port port[HISI_SAS_MAX_PHYS]; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 073993e..7e0669a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -59,6 +59,12 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) for (i = 0; i < hisi_hba->queue_count; i++) { + struct hisi_sas_cq *cq = &hisi_hba->cq[i]; + + /* Completion queue structure */ + cq->id = i; + cq->hisi_hba = hisi_hba; + /* Delivery queue */ s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS; hisi_hba->cmd_hdr[i] = dma_alloc_coherent(dev, s, -- 1.9.1