diff options
| author | John Garry <john.garry@huawei.com> | 2015-11-17 11:50:53 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-25 22:13:05 -0500 |
| commit | dc5da4cf8e4c29f82e4ead8cf4d4dad61c78fab9 (patch) | |
| tree | 0a0235d35609d80b15576204d318f0502b2ab382 /drivers/scsi/hisi_sas | |
| parent | 184a4635340be6e0e804240ff889c3c82d6e4745 (diff) | |
hisi_sas: Add bcast interrupt handler
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>
Diffstat (limited to 'drivers/scsi/hisi_sas')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 31 |
1 files changed, 31 insertions, 0 deletions
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: | |||
| 1333 | return res; | 1333 | return res; |
| 1334 | } | 1334 | } |
| 1335 | 1335 | ||
| 1336 | static irqreturn_t int_bcast_v1_hw(int irq, void *p) | ||
| 1337 | { | ||
| 1338 | struct hisi_sas_phy *phy = p; | ||
| 1339 | struct hisi_hba *hisi_hba = phy->hisi_hba; | ||
| 1340 | struct asd_sas_phy *sas_phy = &phy->sas_phy; | ||
| 1341 | struct sas_ha_struct *sha = &hisi_hba->sha; | ||
| 1342 | struct device *dev = &hisi_hba->pdev->dev; | ||
| 1343 | int phy_no = sas_phy->id; | ||
| 1344 | u32 irq_value; | ||
| 1345 | irqreturn_t res = IRQ_HANDLED; | ||
| 1346 | |||
| 1347 | irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2); | ||
| 1348 | |||
| 1349 | if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) { | ||
| 1350 | dev_err(dev, "bcast: irq_value = %x not set enable bit", | ||
| 1351 | irq_value); | ||
| 1352 | res = IRQ_NONE; | ||
| 1353 | goto end; | ||
| 1354 | } | ||
| 1355 | |||
| 1356 | sha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD); | ||
| 1357 | |||
| 1358 | end: | ||
| 1359 | hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, | ||
| 1360 | CHL_INT2_SL_RX_BC_ACK_MSK); | ||
| 1361 | |||
| 1362 | return res; | ||
| 1363 | } | ||
| 1364 | |||
| 1336 | static irqreturn_t int_abnormal_v1_hw(int irq, void *p) | 1365 | static irqreturn_t int_abnormal_v1_hw(int irq, void *p) |
| 1337 | { | 1366 | { |
| 1338 | struct hisi_sas_phy *phy = p; | 1367 | struct hisi_sas_phy *phy = p; |
| @@ -1438,12 +1467,14 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p) | |||
| 1438 | } | 1467 | } |
| 1439 | 1468 | ||
| 1440 | static const char phy_int_names[HISI_SAS_PHY_INT_NR][32] = { | 1469 | static const char phy_int_names[HISI_SAS_PHY_INT_NR][32] = { |
| 1470 | {"Bcast"}, | ||
| 1441 | {"Phy Up"}, | 1471 | {"Phy Up"}, |
| 1442 | {"Abnormal"}, | 1472 | {"Abnormal"}, |
| 1443 | }; | 1473 | }; |
| 1444 | 1474 | ||
| 1445 | static const char cq_int_name[32] = "cq"; | 1475 | static const char cq_int_name[32] = "cq"; |
| 1446 | static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = { | 1476 | static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = { |
| 1477 | int_bcast_v1_hw, | ||
| 1447 | int_phyup_v1_hw, | 1478 | int_phyup_v1_hw, |
| 1448 | int_abnormal_v1_hw | 1479 | int_abnormal_v1_hw |
| 1449 | }; | 1480 | }; |