case ATA_CMD_WRITE_QUEUED:
case ATA_CMD_WRITE_LOG_DMA_EXT:
case ATA_CMD_WRITE_STREAM_DMA_EXT:
+ case ATA_CMD_ZAC_MGMT_IN:
return HISI_SAS_SATA_PROTOCOL_DMA;
case ATA_CMD_CHK_POWER:
case ATA_CMD_SET_FEATURES:
case ATA_CMD_STANDBY:
case ATA_CMD_STANDBYNOW1:
+ case ATA_CMD_ZAC_MGMT_OUT:
return HISI_SAS_SATA_PROTOCOL_NONDATA;
default:
if (direction == DMA_NONE)
}
EXPORT_SYMBOL_GPL(to_hisi_sas_port);
+void hisi_sas_stop_phys(struct hisi_hba *hisi_hba)
+{
+ int phy_no;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++)
+ hisi_hba->hw->phy_disable(hisi_hba, phy_no);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_stop_phys);
+
static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx)
{
void *bitmap = hisi_hba->slot_index_tags;
struct domain_device *device = task->dev;
struct hisi_sas_device *sas_dev = device->lldd_dev;
+ if (!task->lldd_task)
+ return;
+
+ task->lldd_task = NULL;
+
if (!sas_protocol_ata(task->task_proto))
if (slot->n_elem)
dma_unmap_sg(dev, task->scatter, slot->n_elem,
task->data_dir);
- task->lldd_task = NULL;
-
if (sas_dev)
atomic64_dec(&sas_dev->running_req);
}
if (slot->buf)
dma_pool_free(hisi_hba->buffer_pool, slot->buf, slot->buf_dma);
-
list_del_init(&slot->entry);
+ slot->buf = NULL;
slot->task = NULL;
slot->port = NULL;
hisi_sas_slot_index_free(hisi_hba, slot->idx);
goto err_out_buf;
}
+ spin_lock_irqsave(&hisi_hba->lock, flags);
list_add_tail(&slot->entry, &sas_dev->list);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
spin_lock_irqsave(&task->task_state_lock, flags);
task->task_state_flags |= SAS_TASK_AT_INITIATOR;
spin_unlock_irqrestore(&task->task_state_lock, flags);
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_sas_dq *dq = sas_dev->dq;
- if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)))
+ if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
return -EINVAL;
/* protect task_prep and start_delivery sequence */
{
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct hisi_sas_device *sas_dev = NULL;
+ unsigned long flags;
int i;
- spin_lock(&hisi_hba->lock);
+ spin_lock_irqsave(&hisi_hba->lock, flags);
for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) {
int queue = i % hisi_hba->queue_count;
break;
}
}
- spin_unlock(&hisi_hba->lock);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
return sas_dev;
}
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct device *dev = hisi_hba->dev;
- int dev_id = sas_dev->device_id;
dev_info(dev, "found dev[%d:%x] is gone\n",
sas_dev->device_id, sas_dev->dev_type);
hisi_hba->hw->free_device(hisi_hba, sas_dev);
device->lldd_dev = NULL;
memset(sas_dev, 0, sizeof(*sas_dev));
- sas_dev->device_id = dev_id;
sas_dev->dev_type = SAS_PHY_UNUSED;
- sas_dev->dev_status = HISI_SAS_DEV_NORMAL;
}
static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
case PHY_FUNC_LINK_RESET:
hisi_hba->hw->phy_disable(hisi_hba, phy_no);
msleep(100);
- hisi_hba->hw->phy_enable(hisi_hba, phy_no);
+ hisi_hba->hw->phy_start(hisi_hba, phy_no);
break;
case PHY_FUNC_DISABLE:
case PHY_FUNC_SET_LINK_RATE:
hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, funcdata);
break;
-
+ case PHY_FUNC_GET_EVENTS:
+ if (hisi_hba->hw->get_events) {
+ hisi_hba->hw->get_events(hisi_hba, phy_no);
+ break;
+ }
+ /* fallthru */
case PHY_FUNC_RELEASE_SPINUP_HOLD:
default:
return -EOPNOTSUPP;
sizeof(ssp_task), tmf);
}
+static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba,
+ struct asd_sas_port *sas_port, enum sas_linkrate linkrate)
+{
+ struct hisi_sas_device *sas_dev;
+ struct domain_device *device;
+ int i;
+
+ for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+ sas_dev = &hisi_hba->devices[i];
+ device = sas_dev->sas_device;
+ if ((sas_dev->dev_type == SAS_PHY_UNUSED)
+ || !device || (device->port != sas_port))
+ continue;
+
+ hisi_hba->hw->free_device(hisi_hba, sas_dev);
+
+ /* Update linkrate of directly attached device. */
+ if (!device->parent)
+ device->linkrate = linkrate;
+
+ hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
+ }
+}
+
+static void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
+ u32 state)
+{
+ struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+ struct asd_sas_port *_sas_port = NULL;
+ int phy_no;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ struct asd_sas_port *sas_port = sas_phy->port;
+ struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+ bool do_port_check = !!(_sas_port != sas_port);
+
+ if (!sas_phy->phy->enabled)
+ continue;
+
+ /* Report PHY state change to libsas */
+ if (state & (1 << phy_no)) {
+ if (do_port_check && sas_port) {
+ struct domain_device *dev = sas_port->port_dev;
+
+ _sas_port = sas_port;
+ port->id = phy->port_id;
+ hisi_sas_refresh_port_id(hisi_hba,
+ sas_port, sas_phy->linkrate);
+
+ if (DEV_IS_EXPANDER(dev->dev_type))
+ sas_ha->notify_port_event(sas_phy,
+ PORTE_BROADCAST_RCVD);
+ }
+ } else if (old_state & (1 << phy_no))
+ /* PHY down but was up before */
+ hisi_sas_phy_down(hisi_hba, phy_no, 0);
+
+ }
+
+ drain_workqueue(hisi_hba->shost->work_q);
+}
+
static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba)
{
+ struct device *dev = hisi_hba->dev;
+ struct Scsi_Host *shost = hisi_hba->shost;
+ u32 old_state, state;
+ unsigned long flags;
int rc;
if (!hisi_hba->hw->soft_reset)
return -1;
- if (!test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) {
- struct device *dev = hisi_hba->dev;
- struct sas_ha_struct *sas_ha = &hisi_hba->sha;
- unsigned long flags;
+ if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
+ return -1;
- dev_dbg(dev, "controller reset begins!\n");
- scsi_block_requests(hisi_hba->shost);
- rc = hisi_hba->hw->soft_reset(hisi_hba);
- if (rc) {
- dev_warn(dev, "controller reset failed (%d)\n", rc);
- goto out;
- }
- spin_lock_irqsave(&hisi_hba->lock, flags);
- hisi_sas_release_tasks(hisi_hba);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ dev_dbg(dev, "controller resetting...\n");
+ old_state = hisi_hba->hw->get_phys_state(hisi_hba);
- sas_ha->notify_ha_event(sas_ha, HAE_RESET);
- dev_dbg(dev, "controller reset successful!\n");
- } else
- return -1;
+ scsi_block_requests(shost);
+ set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+ rc = hisi_hba->hw->soft_reset(hisi_hba);
+ if (rc) {
+ dev_warn(dev, "controller reset failed (%d)\n", rc);
+ clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+ goto out;
+ }
+ spin_lock_irqsave(&hisi_hba->lock, flags);
+ hisi_sas_release_tasks(hisi_hba);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
+
+ clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+
+ /* Init and wait for PHYs to come up and all libsas event finished. */
+ hisi_hba->hw->phys_init(hisi_hba);
+ msleep(1000);
+ drain_workqueue(hisi_hba->wq);
+ drain_workqueue(shost->work_q);
+
+ state = hisi_hba->hw->get_phys_state(hisi_hba);
+ hisi_sas_rescan_topology(hisi_hba, old_state, state);
+ dev_dbg(dev, "controller reset complete\n");
out:
- scsi_unblock_requests(hisi_hba->shost);
+ scsi_unblock_requests(shost);
clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags);
+
return rc;
}
rc = hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_CMD, tag);
- if (rc == TMF_RESP_FUNC_FAILED) {
+ if (rc == TMF_RESP_FUNC_FAILED && task->lldd_task) {
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_do_release_task(hisi_hba, task, slot);
spin_unlock_irqrestore(&hisi_hba->lock, flags);
int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx;
unsigned long flags, flags_dq;
- if (unlikely(test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)))
+ if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
return -EINVAL;
if (!device->port)
slot->port = port;
task->lldd_task = slot;
+ slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
+ GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf) {
+ rc = -ENOMEM;
+ goto err_out_tag;
+ }
+
memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
+ memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ);
+ memset(hisi_sas_status_buf_addr_mem(slot), 0, HISI_SAS_STATUS_BUF_SZ);
rc = hisi_sas_task_prep_abort(hisi_hba, slot, device_id,
abort_flag, task_tag);
if (rc)
- goto err_out_tag;
-
+ goto err_out_buf;
+ spin_lock_irqsave(&hisi_hba->lock, flags);
list_add_tail(&slot->entry, &sas_dev->list);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
spin_lock_irqsave(&task->task_state_lock, flags);
task->task_state_flags |= SAS_TASK_AT_INITIATOR;
spin_unlock_irqrestore(&task->task_state_lock, flags);
return 0;
+err_out_buf:
+ dma_pool_free(hisi_hba->buffer_pool, slot->buf,
+ slot->buf_dma);
err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx);
if (slot)
slot->task = NULL;
dev_err(dev, "internal task abort: timeout.\n");
+ goto exit;
}
}
}
EXPORT_SYMBOL_GPL(hisi_sas_phy_down);
-void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state,
- u32 state)
-{
- struct sas_ha_struct *sas_ha = &hisi_hba->sha;
- int phy_no;
-
- for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
- struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
- struct asd_sas_phy *sas_phy = &phy->sas_phy;
- struct asd_sas_port *sas_port = sas_phy->port;
- struct domain_device *dev;
-
- if (sas_phy->enabled) {
- /* Report PHY state change to libsas */
- if (state & (1 << phy_no))
- continue;
-
- if (old_state & (1 << phy_no))
- /* PHY down but was up before */
- hisi_sas_phy_down(hisi_hba, phy_no, 0);
- }
- if (!sas_port)
- continue;
- dev = sas_port->port_dev;
-
- if (DEV_IS_EXPANDER(dev->dev_type))
- sas_ha->notify_phy_event(sas_phy, PORTE_BROADCAST_RCVD);
- }
-}
-EXPORT_SYMBOL_GPL(hisi_sas_rescan_topology);
struct scsi_transport_template *hisi_sas_stt;
EXPORT_SYMBOL_GPL(hisi_sas_stt);
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.use_clustering = ENABLE_CLUSTERING,
.eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_bus_reset_handler = sas_eh_bus_reset_handler,
+ .eh_target_reset_handler = sas_eh_target_reset_handler,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
};
s = max_command_entries * sizeof(struct hisi_sas_breakpoint);
memset(hisi_hba->breakpoint, 0, s);
- s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2;
+ s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_sata_breakpoint);
memset(hisi_hba->sata_breakpoint, 0, s);
}
EXPORT_SYMBOL_GPL(hisi_sas_init_mem);
if (!hisi_hba->initial_fis)
goto err_out;
- s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2;
+ s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_sata_breakpoint);
hisi_hba->sata_breakpoint = dma_alloc_coherent(dev, s,
&hisi_hba->sata_breakpoint_dma, GFP_KERNEL);
if (!hisi_hba->sata_breakpoint)
hisi_hba->initial_fis,
hisi_hba->initial_fis_dma);
- s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2;
+ s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_sata_breakpoint);
if (hisi_hba->sata_breakpoint)
dma_free_coherent(dev, s,
hisi_hba->sata_breakpoint,
return shost;
err_out:
- kfree(shost);
+ scsi_host_put(shost);
dev_err(dev, "shost alloc failed\n");
return NULL;
}
scsi_remove_host(shost);
err_out_ha:
hisi_sas_free(hisi_hba);
- kfree(shost);
+ scsi_host_put(shost);
return rc;
}
EXPORT_SYMBOL_GPL(hisi_sas_probe);
sas_remove_host(sha->core.shost);
hisi_sas_free(hisi_hba);
- kfree(shost);
+ scsi_host_put(shost);
return 0;
}
EXPORT_SYMBOL_GPL(hisi_sas_remove);
static __init int hisi_sas_init(void)
{
- pr_info("hisi_sas: driver version %s\n", DRV_VERSION);
-
hisi_sas_stt = sas_domain_attach_transport(&hisi_sas_transport_ops);
if (!hisi_sas_stt)
return -ENOMEM;
module_init(hisi_sas_init);
module_exit(hisi_sas_exit);
-MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
MODULE_DESCRIPTION("HISILICON SAS controller driver");
projects / mirror_ubuntu-bionic-kernel.git / blobdiff