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hisi_sas: Add bcast interrupt handler

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This is for expander broadcast event.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2015-11-18 00:50:53 +08:00 committed by Martin K. Petersen
parent 184a463534
commit dc5da4cf8e
1 changed files with 31 additions and 0 deletions
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31
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
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@ -1333,6 +1333,35 @@ end:
return res;
}
static irqreturn_t int_bcast_v1_hw(int irq, void *p)
{
struct hisi_sas_phy *phy = p;
struct hisi_hba *hisi_hba = phy->hisi_hba;
struct asd_sas_phy *sas_phy = &phy->sas_phy;
struct sas_ha_struct *sha = &hisi_hba->sha;
struct device *dev = &hisi_hba->pdev->dev;
int phy_no = sas_phy->id;
u32 irq_value;
irqreturn_t res = IRQ_HANDLED;
irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
dev_err(dev, "bcast: irq_value = %x not set enable bit",
irq_value);
res = IRQ_NONE;
goto end;
}
sha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
end:
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
CHL_INT2_SL_RX_BC_ACK_MSK);
return res;
}
static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
{
struct hisi_sas_phy *phy = p;
@ -1438,12 +1467,14 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
}
static const char phy_int_names[HISI_SAS_PHY_INT_NR][32] = {
{"Bcast"},
{"Phy Up"},
{"Abnormal"},
};
static const char cq_int_name[32] = "cq";
static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
int_bcast_v1_hw,
int_phyup_v1_hw,
int_abnormal_v1_hw
};