diff options
| author | John Garry <john.garry@huawei.com> | 2017-03-23 01:25:26 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-03-23 11:12:02 -0400 |
| commit | 055945df4c10eeb6057cf380906c9b88334dd63d (patch) | |
| tree | df879378730979a456f5cec8aaf3bfd772c1fdca /drivers/scsi/hisi_sas | |
| parent | c35279f2f1eef8f7f91b2b529fc22f01b25a244f (diff) | |
| download | linux-055945df4c10eeb6057cf380906c9b88334dd63d.tar.bz2 | |
scsi: hisi_sas: hardreset for SATA disk in LU reset
When issuing an LU reset for a SATA target, issue an internal abort and
a hard reset.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
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_main.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 36d4e5a6d2c9..19f28927e768 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1037,23 +1037,43 @@ static int hisi_sas_I_T_nexus_reset(struct domain_device *device) static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun) { - struct hisi_sas_tmf_task tmf_task; struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = &hisi_hba->pdev->dev; unsigned long flags; int rc = TMF_RESP_FUNC_FAILED; - tmf_task.tmf = TMF_LU_RESET; sas_dev->dev_status = HISI_SAS_DEV_EH; - rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task); - if (rc == TMF_RESP_FUNC_COMPLETE) { - spin_lock_irqsave(&hisi_hba->lock, flags); - hisi_sas_release_task(hisi_hba, device); - spin_unlock_irqrestore(&hisi_hba->lock, flags); - } + if (dev_is_sata(device)) { + struct sas_phy *phy; + + /* Clear internal IO and then hardreset */ + rc = hisi_sas_internal_task_abort(hisi_hba, device, + HISI_SAS_INT_ABT_DEV, 0); + if (rc == TMF_RESP_FUNC_FAILED) + goto out; - /* If failed, fall-through I_T_Nexus reset */ + phy = sas_get_local_phy(device); + + rc = sas_phy_reset(phy, 1); + + if (rc == 0) { + spin_lock_irqsave(&hisi_hba->lock, flags); + hisi_sas_release_task(hisi_hba, device); + spin_unlock_irqrestore(&hisi_hba->lock, flags); + } + sas_put_local_phy(phy); + } else { + struct hisi_sas_tmf_task tmf_task = { .tmf = TMF_LU_RESET }; + + rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task); + if (rc == TMF_RESP_FUNC_COMPLETE) { + spin_lock_irqsave(&hisi_hba->lock, flags); + hisi_sas_release_task(hisi_hba, device); + spin_unlock_irqrestore(&hisi_hba->lock, flags); + } + } +out: dev_err(dev, "lu_reset: for device[%llx]:rc= %d\n", sas_dev->device_id, rc); return rc; |