From: John Garry <john.garry@huawei.com>
To: <jejb@linux.ibm.com>, <martin.petersen@oracle.com>
Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linuxarm@huawei.com>, John Garry <john.garry@huawei.com>
Subject: [PATCH 4/5] scsi: hisi_sas: Add helper to process bcast events
Date: Mon, 5 Sep 2022 19:48:48 +0800 [thread overview]
Message-ID: <1662378529-101489-5-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1662378529-101489-1-git-send-email-john.garry@huawei.com>
Add a helper for bcast processing to reduce duplication.
Signed-off-by: John Garry <john.garry@huawei.com>
---
drivers/scsi/hisi_sas/hisi_sas.h | 1 +
drivers/scsi/hisi_sas/hisi_sas_main.c | 12 ++++++++++++
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 4 +---
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 7 ++-----
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 7 ++-----
5 files changed, 18 insertions(+), 13 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 24c83bc4f5dc..9aebf4a26b13 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -649,6 +649,7 @@ extern void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no,
int enable);
extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy,
gfp_t gfp_flags);
+extern void hisi_sas_phy_bcast(struct hisi_sas_phy *phy);
extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
struct sas_task *task,
struct hisi_sas_slot *slot);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 2edadd4008c0..32fa775e7d37 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1989,6 +1989,18 @@ void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy,
}
EXPORT_SYMBOL_GPL(hisi_sas_phy_down);
+void hisi_sas_phy_bcast(struct hisi_sas_phy *phy)
+{
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ struct hisi_hba *hisi_hba = phy->hisi_hba;
+
+ if (test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
+ return;
+
+ sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD, GFP_ATOMIC);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_phy_bcast);
+
void hisi_sas_sync_irqs(struct hisi_hba *hisi_hba)
{
int i;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 349546bacb2b..d643c5a49aa9 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -1412,9 +1412,7 @@ static irqreturn_t int_bcast_v1_hw(int irq, void *p)
goto end;
}
- if (!test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
- sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
- GFP_ATOMIC);
+ hisi_sas_phy_bcast(phy);
end:
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 70e401fd432a..a9c16428906c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -2811,15 +2811,12 @@ static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
- struct asd_sas_phy *sas_phy = &phy->sas_phy;
u32 bcast_status;
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
- if ((bcast_status & RX_BCAST_CHG_MSK) &&
- !test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
- sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
- GFP_ATOMIC);
+ if (bcast_status & RX_BCAST_CHG_MSK)
+ hisi_sas_phy_bcast(phy);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
CHL_INT0_SL_RX_BCST_ACK_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 1710f479a896..10b55cef5cf5 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -1626,15 +1626,12 @@ static irqreturn_t phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
static irqreturn_t phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
- struct asd_sas_phy *sas_phy = &phy->sas_phy;
u32 bcast_status;
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
- if ((bcast_status & RX_BCAST_CHG_MSK) &&
- !test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
- sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
- GFP_ATOMIC);
+ if (bcast_status & RX_BCAST_CHG_MSK)
+ hisi_sas_phy_bcast(phy);
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
CHL_INT0_SL_RX_BCST_ACK_MSK);
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
--
2.35.3
next prev parent reply other threads:[~2022-09-05 11:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-05 11:48 [PATCH 0/5] hisi_sas: Misc patches for next John Garry
2022-09-05 11:48 ` [PATCH 1/5] scsi: hisi_sas: Revert change to limit max hw sectors for v3 HW John Garry
2022-09-05 11:48 ` [PATCH 2/5] scsi: hisi_sas: Clear HISI_SAS_HW_FAULT_BIT earlier John Garry
2022-09-05 11:48 ` [PATCH 3/5] scsi: hisi_sas: Drain bcast events in hisi_sas_rescan_topology() John Garry
2022-09-05 11:48 ` John Garry [this message]
2022-09-05 11:48 ` [PATCH 5/5] scsi: hisi_sas: Don't send bcast events from HW during nexus HA reset John Garry
2022-09-07 2:28 ` [PATCH 0/5] hisi_sas: Misc patches for next Martin K. Petersen
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