From: John Garry <john.garry@huawei.com>
To: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com>
Cc: <linuxarm@huawei.com>, <zhangfei.gao@linaro.org>,
<xuwei5@hisilicon.com>, <john.garry2@mail.dcu.ie>,
<linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<jthumshirn@suse.de>, Xiang Chen <chenxiang66@hisilicon.com>,
John Garry <john.garry@huawei.com>
Subject: [PATCH v2 2/7] scsi: hisi_sas: modify some values of ITCT table
Date: Fri, 20 Jan 2017 20:45:19 +0800 [thread overview]
Message-ID: <1484916324-211630-3-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1484916324-211630-1-git-send-email-john.garry@huawei.com>
From: Xiang Chen <chenxiang66@hisilicon.com>
Set SMP connection timeout and continue AWT timer;
Clear ITCT table when dev gone.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
---
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 6c787eb..93fceda 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -334,6 +334,11 @@
#define ITCT_HDR_MCR_MSK (0xf << ITCT_HDR_MCR_OFF)
#define ITCT_HDR_VLN_OFF 9
#define ITCT_HDR_VLN_MSK (0xf << ITCT_HDR_VLN_OFF)
+#define ITCT_HDR_SMP_TIMEOUT_OFF 16
+#define ITCT_HDR_SMP_TIMEOUT_8US 1
+#define ITCT_HDR_SMP_TIMEOUT (ITCT_HDR_SMP_TIMEOUT_8US * \
+ 250) /* 2ms */
+#define ITCT_HDR_AWT_CONTINUE_OFF 25
#define ITCT_HDR_PORT_ID_OFF 28
#define ITCT_HDR_PORT_ID_MSK (0xf << ITCT_HDR_PORT_ID_OFF)
/* qw2 */
@@ -696,6 +701,8 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
(device->linkrate << ITCT_HDR_MCR_OFF) |
(1 << ITCT_HDR_VLN_OFF) |
+ (ITCT_HDR_SMP_TIMEOUT << ITCT_HDR_SMP_TIMEOUT_OFF) |
+ (1 << ITCT_HDR_AWT_CONTINUE_OFF) |
(port->id << ITCT_HDR_PORT_ID_OFF));
itct->qw0 = cpu_to_le64(qw0);
@@ -705,7 +712,7 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
/* qw2 */
if (!dev_is_sata(device))
- itct->qw2 = cpu_to_le64((500ULL << ITCT_HDR_INLT_OFF) |
+ itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
(0x1ULL << ITCT_HDR_BITLT_OFF) |
(0x32ULL << ITCT_HDR_MCTLT_OFF) |
(0x1ULL << ITCT_HDR_RTOLT_OFF));
@@ -714,7 +721,7 @@ static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
static void free_device_v2_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_device *sas_dev)
{
- u64 qw0, dev_id = sas_dev->device_id;
+ u64 dev_id = sas_dev->device_id;
struct device *dev = &hisi_hba->pdev->dev;
struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
@@ -738,8 +745,7 @@ static void free_device_v2_hw(struct hisi_hba *hisi_hba,
dev_dbg(dev, "got clear ITCT done interrupt\n");
/* invalid the itct state*/
- qw0 = cpu_to_le64(itct->qw0);
- qw0 &= ~(1 << ITCT_HDR_VALID_OFF);
+ memset(itct, 0, sizeof(struct hisi_sas_itct));
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
ENT_INT_SRC3_ITC_INT_MSK);
--
1.9.1
next prev parent reply other threads:[~2017-01-20 12:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 12:45 [PATCH v2 0/7] hisi_sas: SATA IO workaround and other misc patches John Garry
2017-01-20 12:45 ` [PATCH v2 1/7] scsi: hisi_sas: workaround v2 hw SATA IO timeout issue John Garry
2017-01-20 12:45 ` John Garry [this message]
2017-01-20 12:45 ` [PATCH v2 3/7] scsi: hisi_sas: downgrade refclk message John Garry
2017-01-20 12:45 ` [PATCH v2 4/7] scsi: hisi_sas: modify hard reset for directed-attached disk John Garry
2017-01-20 12:45 ` [PATCH v2 5/7] scsi: hisi_sas: downgrade internal abort exit print John Garry
2017-01-20 12:45 ` [PATCH v2 6/7] scsi: hisi_sas: fix probe ordering problem John Garry
2017-01-20 12:45 ` [PATCH v2 7/7] scsi: hisi_sas: decrease running_req in hisi_sas_slot_task_free() John Garry
2017-01-21 0:11 ` [PATCH v2 0/7] hisi_sas: SATA IO workaround and other misc patches Martin K. Petersen
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