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scsi: hisi_sas: Add helper to process bcast events

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Add a helper for bcast processing to reduce duplication.

Link: https://lore.kernel.org/r/1662378529-101489-5-git-send-email-john.garry@huawei.com
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2022-09-05 19:48:48 +08:00 committed by Martin K. Petersen
parent 11ff0c98fc
commit e9b6bada98
5 changed files with 18 additions and 13 deletions
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1
drivers/scsi/hisi_sas/hisi_sas.h
View File

@ -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);

12
drivers/scsi/hisi_sas/hisi_sas_main.c
View File

@ -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;

4
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
View File

@ -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,

7
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
View File

@ -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);

7
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
View File

@ -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);