From dc5da4cf8e4c29f82e4ead8cf4d4dad61c78fab9 Mon Sep 17 00:00:00 2001 From: John Garry Date: Wed, 18 Nov 2015 00:50:53 +0800 Subject: [PATCH] hisi_sas: Add bcast interrupt handler This is for expander broadcast event. Signed-off-by: John Garry Reviewed-by: Arnd Bergmann Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 31 ++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 1723dd453e06..ad50aed5a1cf 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -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 }; -- 2.20.1