diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 4e8046ecf477..cd55849bcd07 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1275,6 +1275,81 @@ static void hisi_sas_reset_init_all_devices(struct hisi_hba *hisi_hba) } } +static void hisi_sas_send_ata_reset_each_phy(struct hisi_hba *hisi_hba, + struct asd_sas_port *sas_port, + struct domain_device *device) +{ + struct hisi_sas_tmf_task tmf_task = { .force_phy = 1 }; + struct ata_port *ap = device->sata_dev.ap; + struct device *dev = hisi_hba->dev; + int s = sizeof(struct host_to_dev_fis); + int rc = TMF_RESP_FUNC_FAILED; + struct asd_sas_phy *sas_phy; + struct ata_link *link; + u8 fis[20] = {0}; + u32 state; + + state = hisi_hba->hw->get_phys_state(hisi_hba); + list_for_each_entry(sas_phy, &sas_port->phy_list, port_phy_el) { + if (!(state & BIT(sas_phy->id))) + continue; + + ata_for_each_link(link, ap, EDGE) { + int pmp = sata_srst_pmp(link); + + tmf_task.phy_id = sas_phy->id; + hisi_sas_fill_ata_reset_cmd(link->device, 1, pmp, fis); + rc = hisi_sas_exec_internal_tmf_task(device, fis, s, + &tmf_task); + if (rc != TMF_RESP_FUNC_COMPLETE) { + dev_err(dev, "phy%d ata reset failed rc=%d\n", + sas_phy->id, rc); + break; + } + } + } +} + +static void hisi_sas_terminate_stp_reject(struct hisi_hba *hisi_hba) +{ + struct device *dev = hisi_hba->dev; + int port_no, rc, i; + + for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) { + struct hisi_sas_device *sas_dev = &hisi_hba->devices[i]; + struct domain_device *device = sas_dev->sas_device; + + if ((sas_dev->dev_type == SAS_PHY_UNUSED) || !device) + continue; + + rc = hisi_sas_internal_task_abort(hisi_hba, device, + HISI_SAS_INT_ABT_DEV, 0); + if (rc < 0) + dev_err(dev, "STP reject: abort dev failed %d\n", rc); + } + + for (port_no = 0; port_no < hisi_hba->n_phy; port_no++) { + struct hisi_sas_port *port = &hisi_hba->port[port_no]; + struct asd_sas_port *sas_port = &port->sas_port; + struct domain_device *port_dev = sas_port->port_dev; + struct domain_device *device; + + if (!port_dev || !DEV_IS_EXPANDER(port_dev->dev_type)) + continue; + + /* Try to find a SATA device */ + list_for_each_entry(device, &sas_port->dev_list, + dev_list_node) { + if (dev_is_sata(device)) { + hisi_sas_send_ata_reset_each_phy(hisi_hba, + sas_port, + device); + break; + } + } + } +} + static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) { struct device *dev = hisi_hba->dev; @@ -1312,6 +1387,9 @@ static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) hisi_hba->hw->phys_init(hisi_hba); msleep(1000); hisi_sas_refresh_port_id(hisi_hba); + + if (hisi_hba->reject_stp_links_msk) + hisi_sas_terminate_stp_reject(hisi_hba); hisi_sas_reset_init_all_devices(hisi_hba); scsi_unblock_requests(shost); |