diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index a7e4c6e77068..c8e647a65b30 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -24,6 +24,9 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, static int hisi_sas_softreset_ata_disk(struct domain_device *device); static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata); +static void hisi_sas_release_task(struct hisi_hba *hisi_hba, + struct domain_device *device); +static void hisi_sas_dev_gone(struct domain_device *device); u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) { @@ -624,12 +627,49 @@ static struct hisi_sas_device *hisi_sas_alloc_dev(struct domain_device *device) return sas_dev; } +#define HISI_SAS_SRST_ATA_DISK_CNT 3 +static int hisi_sas_init_device(struct domain_device *device) +{ + int rc = TMF_RESP_FUNC_COMPLETE; + struct scsi_lun lun; + struct hisi_sas_tmf_task tmf_task; + int retry = HISI_SAS_SRST_ATA_DISK_CNT; + struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); + + switch (device->dev_type) { + case SAS_END_DEVICE: + int_to_scsilun(0, &lun); + + tmf_task.tmf = TMF_CLEAR_TASK_SET; + rc = hisi_sas_debug_issue_ssp_tmf(device, lun.scsi_lun, + &tmf_task); + if (rc == TMF_RESP_FUNC_COMPLETE) + hisi_sas_release_task(hisi_hba, device); + break; + case SAS_SATA_DEV: + case SAS_SATA_PM: + case SAS_SATA_PM_PORT: + case SAS_SATA_PENDING: + while (retry-- > 0) { + rc = hisi_sas_softreset_ata_disk(device); + if (!rc) + break; + } + break; + default: + break; + } + + return rc; +} + static int hisi_sas_dev_found(struct domain_device *device) { struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct domain_device *parent_dev = device->parent; struct hisi_sas_device *sas_dev; struct device *dev = hisi_hba->dev; + int rc; if (hisi_hba->hw->alloc_dev) sas_dev = hisi_hba->hw->alloc_dev(device); @@ -661,14 +701,22 @@ static int hisi_sas_dev_found(struct domain_device *device) "dev:%016llx at ex:%016llx\n", SAS_ADDR(device->sas_addr), SAS_ADDR(parent_dev->sas_addr)); - return -EINVAL; + rc = -EINVAL; + goto err_out; } } dev_info(dev, "dev[%d:%x] found\n", sas_dev->device_id, sas_dev->dev_type); + rc = hisi_sas_init_device(device); + if (rc) + goto err_out; return 0; + +err_out: + hisi_sas_dev_gone(device); + return rc; } static int hisi_sas_slave_configure(struct scsi_device *sdev) |