[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1495713911-80476-6-git-send-email-john.garry@huawei.com>
Date: Thu, 25 May 2017 20:04:54 +0800
From: John Garry <john.garry@...wei.com>
To: <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC: <john.garry2@...l.dcu.ie>, <linuxarm@...wei.com>,
<linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<arnd@...db.de>, Xiang Chen <chenxiang66@...ilicon.com>,
John Garry <john.garry@...wei.com>
Subject: [PATCH v2 05/22] scsi: hisi_sas: relocate get_ncq_tag_v2_hw()
From: Xiang Chen <chenxiang66@...ilicon.com>
Relocate get_ncq_tag_v2_hw() to a common location, as
future hw versions will require it.
Also rename with "hisi_sas_" prefix for consistency.
Signed-off-by: Xiang Chen <chenxiang66@...ilicon.com>
Signed-off-by: John Garry <john.garry@...wei.com>
---
drivers/scsi/hisi_sas/hisi_sas.h | 1 +
drivers/scsi/hisi_sas/hisi_sas_main.c | 15 +++++++++++++++
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 16 +---------------
3 files changed, 17 insertions(+), 15 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index d0c0844..210daec 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -359,6 +359,7 @@ struct hisi_sas_command_table_ssp {
extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
extern void hisi_sas_sata_done(struct sas_task *task,
struct hisi_sas_slot *slot);
+extern int hisi_sas_get_ncq_tag(struct sas_task *task, u32 *tag);
extern int hisi_sas_probe(struct platform_device *pdev,
const struct hisi_sas_hw *ops);
extern int hisi_sas_remove(struct platform_device *pdev);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 3f2bb8e..aaa7f5d 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -103,6 +103,21 @@ void hisi_sas_sata_done(struct sas_task *task,
}
EXPORT_SYMBOL_GPL(hisi_sas_sata_done);
+int hisi_sas_get_ncq_tag(struct sas_task *task, u32 *tag)
+{
+ struct ata_queued_cmd *qc = task->uldd_task;
+
+ if (qc) {
+ if (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
+ qc->tf.command == ATA_CMD_FPDMA_READ) {
+ *tag = qc->tag;
+ return 1;
+ }
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_get_ncq_tag);
+
static struct hisi_hba *dev_to_hisi_hba(struct domain_device *device)
{
return device->port->ha->lldd_ha;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 51140dc..e64047c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -2328,20 +2328,6 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
return sts;
}
-static int get_ncq_tag_v2_hw(struct sas_task *task, u32 *tag)
-{
- struct ata_queued_cmd *qc = task->uldd_task;
-
- if (qc) {
- if (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
- qc->tf.command == ATA_CMD_FPDMA_READ) {
- *tag = qc->tag;
- return 1;
- }
- }
- return 0;
-}
-
static int prep_ata_v2_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
@@ -2389,7 +2375,7 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba,
hdr->dw1 = cpu_to_le32(dw1);
/* dw2 */
- if (task->ata_task.use_ncq && get_ncq_tag_v2_hw(task, &hdr_tag)) {
+ if (task->ata_task.use_ncq && hisi_sas_get_ncq_tag(task, &hdr_tag)) {
task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
}
--
1.9.1
Powered by blists - more mailing lists