struct domain_device *device,
int abort_flag, int tag);
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(u8 cmd, int direction)
+u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction)
{
- switch (cmd) {
+ switch (fis->command) {
case ATA_CMD_FPDMA_WRITE:
case ATA_CMD_FPDMA_READ:
case ATA_CMD_FPDMA_RECV:
case ATA_CMD_FPDMA_SEND:
case ATA_CMD_NCQ_NON_DATA:
- return HISI_SAS_SATA_PROTOCOL_FPDMA;
+ return HISI_SAS_SATA_PROTOCOL_FPDMA;
case ATA_CMD_DOWNLOAD_MICRO:
case ATA_CMD_ID_ATA:
case ATA_CMD_WRITE_LOG_EXT:
case ATA_CMD_PIO_WRITE:
case ATA_CMD_PIO_WRITE_EXT:
- return HISI_SAS_SATA_PROTOCOL_PIO;
+ return HISI_SAS_SATA_PROTOCOL_PIO;
case ATA_CMD_DSM:
case ATA_CMD_DOWNLOAD_MICRO_DMA:
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;
+ return HISI_SAS_SATA_PROTOCOL_DMA;
case ATA_CMD_CHK_POWER:
case ATA_CMD_DEV_RESET:
case ATA_CMD_STANDBY:
case ATA_CMD_STANDBYNOW1:
case ATA_CMD_ZAC_MGMT_OUT:
- return HISI_SAS_SATA_PROTOCOL_NONDATA;
+ return HISI_SAS_SATA_PROTOCOL_NONDATA;
default:
+ {
+ if (fis->command == ATA_CMD_SET_MAX) {
+ switch (fis->features) {
+ case ATA_SET_MAX_PASSWD:
+ case ATA_SET_MAX_LOCK:
+ return HISI_SAS_SATA_PROTOCOL_PIO;
+
+ case ATA_SET_MAX_PASSWD_DMA:
+ case ATA_SET_MAX_UNLOCK_DMA:
+ return HISI_SAS_SATA_PROTOCOL_DMA;
+
+ default:
+ return HISI_SAS_SATA_PROTOCOL_NONDATA;
+ }
+ }
if (direction == DMA_NONE)
return HISI_SAS_SATA_PROTOCOL_NONDATA;
return HISI_SAS_SATA_PROTOCOL_PIO;
}
+ }
}
EXPORT_SYMBOL_GPL(hisi_sas_get_ata_protocol);
}
EXPORT_SYMBOL_GPL(hisi_sas_get_ncq_tag);
+/*
+ * This function assumes linkrate mask fits in 8 bits, which it
+ * does for all HW versions supported.
+ */
+u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max)
+{
+ u16 rate = 0;
+ int i;
+
+ max -= SAS_LINK_RATE_1_5_GBPS;
+ for (i = 0; i <= max; i++)
+ rate |= 1 << (i * 2);
+ return rate;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_get_prog_phy_linkrate_mask);
+
static struct hisi_hba *dev_to_hisi_hba(struct domain_device *device)
{
return device->port->ha->lldd_ha;
unsigned int index;
void *bitmap = hisi_hba->slot_index_tags;
- index = find_first_zero_bit(bitmap, hisi_hba->slot_index_count);
- if (index >= hisi_hba->slot_index_count)
- return -SAS_QUEUE_FULL;
+ index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count,
+ hisi_hba->last_slot_index + 1);
+ if (index >= hisi_hba->slot_index_count) {
+ index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count,
+ 0);
+ if (index >= hisi_hba->slot_index_count)
+ return -SAS_QUEUE_FULL;
+ }
hisi_sas_slot_index_set(hisi_hba, index);
*slot_idx = index;
+ hisi_hba->last_slot_index = index;
+
return 0;
}
void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
struct hisi_sas_slot *slot)
{
+ struct hisi_sas_dq *dq = &hisi_hba->dq[slot->dlvry_queue];
+ unsigned long flags;
if (task) {
struct device *dev = hisi_hba->dev;
- struct domain_device *device = task->dev;
- struct hisi_sas_device *sas_dev = device->lldd_dev;
if (!task->lldd_task)
return;
if (!sas_protocol_ata(task->task_proto))
if (slot->n_elem)
- dma_unmap_sg(dev, task->scatter, slot->n_elem,
+ dma_unmap_sg(dev, task->scatter,
+ task->num_scatter,
task->data_dir);
-
- if (sas_dev)
- atomic64_dec(&sas_dev->running_req);
}
if (slot->buf)
dma_pool_free(hisi_hba->buffer_pool, slot->buf, slot->buf_dma);
+ spin_lock_irqsave(&dq->lock, flags);
list_del_init(&slot->entry);
+ spin_unlock_irqrestore(&dq->lock, flags);
slot->buf = NULL;
slot->task = NULL;
slot->port = NULL;
+ spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot->idx);
+ spin_unlock_irqrestore(&hisi_hba->lock, flags);
/* slot memory is fully zeroed when it is reused */
}
EXPORT_SYMBOL_GPL(hisi_sas_slot_task_free);
-static int hisi_sas_task_prep_smp(struct hisi_hba *hisi_hba,
+static void hisi_sas_task_prep_smp(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
- return hisi_hba->hw->prep_smp(hisi_hba, slot);
+ hisi_hba->hw->prep_smp(hisi_hba, slot);
}
-static int hisi_sas_task_prep_ssp(struct hisi_hba *hisi_hba,
- struct hisi_sas_slot *slot, int is_tmf,
- struct hisi_sas_tmf_task *tmf)
+static void hisi_sas_task_prep_ssp(struct hisi_hba *hisi_hba,
+ struct hisi_sas_slot *slot)
{
- return hisi_hba->hw->prep_ssp(hisi_hba, slot, is_tmf, tmf);
+ hisi_hba->hw->prep_ssp(hisi_hba, slot);
}
-static int hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba,
+static void hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot)
{
- return hisi_hba->hw->prep_stp(hisi_hba, slot);
+ hisi_hba->hw->prep_stp(hisi_hba, slot);
}
-static int hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba,
+static void hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot,
int device_id, int abort_flag, int tag_to_abort)
{
- return hisi_hba->hw->prep_abort(hisi_hba, slot,
+ hisi_hba->hw->prep_abort(hisi_hba, slot,
device_id, abort_flag, tag_to_abort);
}
struct scsi_lun lun;
struct device *dev = hisi_hba->dev;
int tag = abort_slot->idx;
- unsigned long flags;
if (!(task->task_proto & SAS_PROTOCOL_SSP)) {
dev_err(dev, "cannot abort slot for non-ssp task\n");
hisi_sas_debug_issue_ssp_tmf(task->dev, lun.scsi_lun, &tmf_task);
out:
/* Do cleanup for this task */
- spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_task_free(hisi_hba, task, abort_slot);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
if (task->task_done)
task->task_done(task);
}
-static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq
- *dq, int is_tmf, struct hisi_sas_tmf_task *tmf,
- int *pass)
+static int hisi_sas_task_prep(struct sas_task *task,
+ struct hisi_sas_dq **dq_pointer,
+ bool is_tmf, struct hisi_sas_tmf_task *tmf,
+ int *pass)
{
- struct hisi_hba *hisi_hba = dq->hisi_hba;
struct domain_device *device = task->dev;
+ struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_sas_port *port;
struct hisi_sas_slot *slot;
struct hisi_sas_cmd_hdr *cmd_hdr_base;
struct asd_sas_port *sas_port = device->port;
struct device *dev = hisi_hba->dev;
- int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx;
- unsigned long flags;
+ int dlvry_queue_slot, dlvry_queue, rc, slot_idx;
+ int n_elem = 0, n_elem_req = 0, n_elem_resp = 0;
+ unsigned long flags, flags_dq;
+ struct hisi_sas_dq *dq;
+ int wr_q_index;
if (!sas_port) {
struct task_status_struct *ts = &task->task_status;
*/
if (device->dev_type != SAS_SATA_DEV)
task->task_done(task);
- return SAS_PHY_DOWN;
+ return -ECOMM;
}
if (DEV_IS_GONE(sas_dev)) {
dev_info(dev, "task prep: device %016llx not ready\n",
SAS_ADDR(device->sas_addr));
- return SAS_PHY_DOWN;
+ return -ECOMM;
}
+ *dq_pointer = dq = sas_dev->dq;
+
port = to_hisi_sas_port(sas_port);
if (port && !port->port_attached) {
dev_info(dev, "task prep: %s port%d not attach device\n",
"SATA/STP" : "SAS",
device->port->id);
- return SAS_PHY_DOWN;
+ return -ECOMM;
}
if (!sas_protocol_ata(task->task_proto)) {
+ unsigned int req_len, resp_len;
+
if (task->num_scatter) {
n_elem = dma_map_sg(dev, task->scatter,
task->num_scatter, task->data_dir);
rc = -ENOMEM;
goto prep_out;
}
+ } else if (task->task_proto & SAS_PROTOCOL_SMP) {
+ n_elem_req = dma_map_sg(dev, &task->smp_task.smp_req,
+ 1, DMA_TO_DEVICE);
+ if (!n_elem_req) {
+ rc = -ENOMEM;
+ goto prep_out;
+ }
+ req_len = sg_dma_len(&task->smp_task.smp_req);
+ if (req_len & 0x3) {
+ rc = -EINVAL;
+ goto err_out_dma_unmap;
+ }
+ n_elem_resp = dma_map_sg(dev, &task->smp_task.smp_resp,
+ 1, DMA_FROM_DEVICE);
+ if (!n_elem_resp) {
+ rc = -ENOMEM;
+ goto err_out_dma_unmap;
+ }
+ resp_len = sg_dma_len(&task->smp_task.smp_resp);
+ if (resp_len & 0x3) {
+ rc = -EINVAL;
+ goto err_out_dma_unmap;
+ }
}
} else
n_elem = task->num_scatter;
+ if (n_elem > HISI_SAS_SGE_PAGE_CNT) {
+ dev_err(dev, "task prep: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT",
+ n_elem);
+ rc = -EINVAL;
+ goto err_out_dma_unmap;
+ }
+
spin_lock_irqsave(&hisi_hba->lock, flags);
if (hisi_hba->hw->slot_index_alloc)
rc = hisi_hba->hw->slot_index_alloc(hisi_hba, &slot_idx,
device);
else
rc = hisi_sas_slot_index_alloc(hisi_hba, &slot_idx);
- if (rc) {
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- goto err_out;
- }
spin_unlock_irqrestore(&hisi_hba->lock, flags);
-
- rc = hisi_hba->hw->get_free_slot(hisi_hba, dq);
if (rc)
- goto err_out_tag;
+ goto err_out_dma_unmap;
- dlvry_queue = dq->id;
- dlvry_queue_slot = dq->wr_point;
slot = &hisi_hba->slot_info[slot_idx];
memset(slot, 0, sizeof(struct hisi_sas_slot));
+ slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
+ GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf) {
+ rc = -ENOMEM;
+ goto err_out_tag;
+ }
+
+ spin_lock_irqsave(&dq->lock, flags_dq);
+ wr_q_index = hisi_hba->hw->get_free_slot(hisi_hba, dq);
+ if (wr_q_index < 0) {
+ spin_unlock_irqrestore(&dq->lock, flags_dq);
+ goto err_out_buf;
+ }
+
+ list_add_tail(&slot->delivery, &dq->list);
+ spin_unlock_irqrestore(&dq->lock, flags_dq);
+
+ dlvry_queue = dq->id;
+ dlvry_queue_slot = wr_q_index;
+
slot->idx = slot_idx;
slot->n_elem = n_elem;
slot->dlvry_queue = dlvry_queue;
slot->cmd_hdr = &cmd_hdr_base[dlvry_queue_slot];
slot->task = task;
slot->port = port;
+ slot->tmf = tmf;
+ slot->is_internal = is_tmf;
task->lldd_task = slot;
INIT_WORK(&slot->abort_slot, hisi_sas_slot_abort);
- slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
- GFP_ATOMIC, &slot->buf_dma);
- if (!slot->buf) {
- rc = -ENOMEM;
- goto err_out_slot_buf;
- }
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);
switch (task->task_proto) {
case SAS_PROTOCOL_SMP:
- rc = hisi_sas_task_prep_smp(hisi_hba, slot);
+ hisi_sas_task_prep_smp(hisi_hba, slot);
break;
case SAS_PROTOCOL_SSP:
- rc = hisi_sas_task_prep_ssp(hisi_hba, slot, is_tmf, tmf);
+ hisi_sas_task_prep_ssp(hisi_hba, slot);
break;
case SAS_PROTOCOL_SATA:
case SAS_PROTOCOL_STP:
case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
- rc = hisi_sas_task_prep_ata(hisi_hba, slot);
+ hisi_sas_task_prep_ata(hisi_hba, slot);
break;
default:
dev_err(dev, "task prep: unknown/unsupported proto (0x%x)\n",
task->task_proto);
- rc = -EINVAL;
break;
}
- if (rc) {
- dev_err(dev, "task prep: rc = 0x%x\n", rc);
- goto err_out_buf;
- }
-
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ spin_lock_irqsave(&dq->lock, flags);
list_add_tail(&slot->entry, &sas_dev->list);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
+ spin_unlock_irqrestore(&dq->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);
- dq->slot_prep = slot;
-
- atomic64_inc(&sas_dev->running_req);
++(*pass);
+ slot->ready = 1;
return 0;
err_out_buf:
dma_pool_free(hisi_hba->buffer_pool, slot->buf,
- slot->buf_dma);
-err_out_slot_buf:
- /* Nothing to be done */
+ slot->buf_dma);
err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx);
spin_unlock_irqrestore(&hisi_hba->lock, flags);
-err_out:
- dev_err(dev, "task prep: failed[%d]!\n", rc);
- if (!sas_protocol_ata(task->task_proto))
- if (n_elem)
- dma_unmap_sg(dev, task->scatter, n_elem,
- task->data_dir);
+err_out_dma_unmap:
+ if (!sas_protocol_ata(task->task_proto)) {
+ if (task->num_scatter) {
+ dma_unmap_sg(dev, task->scatter, task->num_scatter,
+ task->data_dir);
+ } else if (task->task_proto & SAS_PROTOCOL_SMP) {
+ if (n_elem_req)
+ dma_unmap_sg(dev, &task->smp_task.smp_req,
+ 1, DMA_TO_DEVICE);
+ if (n_elem_resp)
+ dma_unmap_sg(dev, &task->smp_task.smp_resp,
+ 1, DMA_FROM_DEVICE);
+ }
+ }
prep_out:
+ dev_err(dev, "task prep: failed[%d]!\n", rc);
return rc;
}
static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags,
- int is_tmf, struct hisi_sas_tmf_task *tmf)
+ bool is_tmf, struct hisi_sas_tmf_task *tmf)
{
u32 rc;
u32 pass = 0;
unsigned long flags;
struct hisi_hba *hisi_hba = dev_to_hisi_hba(task->dev);
struct device *dev = hisi_hba->dev;
- struct domain_device *device = task->dev;
- struct hisi_sas_device *sas_dev = device->lldd_dev;
- struct hisi_sas_dq *dq = sas_dev->dq;
+ struct hisi_sas_dq *dq = NULL;
if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
return -EINVAL;
/* protect task_prep and start_delivery sequence */
- spin_lock_irqsave(&dq->lock, flags);
- rc = hisi_sas_task_prep(task, dq, is_tmf, tmf, &pass);
+ rc = hisi_sas_task_prep(task, &dq, is_tmf, tmf, &pass);
if (rc)
dev_err(dev, "task exec: failed[%d]!\n", rc);
- if (likely(pass))
+ if (likely(pass)) {
+ spin_lock_irqsave(&dq->lock, flags);
hisi_hba->hw->start_delivery(dq);
- spin_unlock_irqrestore(&dq->lock, flags);
+ spin_unlock_irqrestore(&dq->lock, flags);
+ }
return rc;
}
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct hisi_sas_device *sas_dev = NULL;
unsigned long flags;
+ int last = hisi_hba->last_dev_id;
+ int first = (hisi_hba->last_dev_id + 1) % HISI_SAS_MAX_DEVICES;
int i;
spin_lock_irqsave(&hisi_hba->lock, flags);
- for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+ for (i = first; i != last; i %= HISI_SAS_MAX_DEVICES) {
if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) {
int queue = i % hisi_hba->queue_count;
struct hisi_sas_dq *dq = &hisi_hba->dq[queue];
INIT_LIST_HEAD(&hisi_hba->devices[i].list);
break;
}
+ i++;
}
+ hisi_hba->last_dev_id = i;
spin_unlock_irqrestore(&hisi_hba->lock, flags);
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);
"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)
+int hisi_sas_slave_configure(struct scsi_device *sdev)
{
struct domain_device *dev = sdev_to_domain_dev(sdev);
int ret = sas_slave_configure(sdev);
return 0;
}
+EXPORT_SYMBOL_GPL(hisi_sas_slave_configure);
-static void hisi_sas_scan_start(struct Scsi_Host *shost)
+void hisi_sas_scan_start(struct Scsi_Host *shost)
{
struct hisi_hba *hisi_hba = shost_priv(shost);
hisi_hba->hw->phys_init(hisi_hba);
}
+EXPORT_SYMBOL_GPL(hisi_sas_scan_start);
-static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
+int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
struct hisi_hba *hisi_hba = shost_priv(shost);
struct sas_ha_struct *sha = &hisi_hba->sha;
sas_drain_work(sha);
return 1;
}
+EXPORT_SYMBOL_GPL(hisi_sas_scan_finished);
static void hisi_sas_phyup_work(struct work_struct *work)
{
struct hisi_sas_phy *phy =
- container_of(work, struct hisi_sas_phy, phyup_ws);
+ container_of(work, typeof(*phy), works[HISI_PHYE_PHY_UP]);
struct hisi_hba *hisi_hba = phy->hisi_hba;
struct asd_sas_phy *sas_phy = &phy->sas_phy;
int phy_no = sas_phy->id;
hisi_sas_bytes_dmaed(hisi_hba, phy_no);
}
+static void hisi_sas_linkreset_work(struct work_struct *work)
+{
+ struct hisi_sas_phy *phy =
+ container_of(work, typeof(*phy), works[HISI_PHYE_LINK_RESET]);
+ struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+ hisi_sas_control_phy(sas_phy, PHY_FUNC_LINK_RESET, NULL);
+}
+
+static const work_func_t hisi_sas_phye_fns[HISI_PHYES_NUM] = {
+ [HISI_PHYE_PHY_UP] = hisi_sas_phyup_work,
+ [HISI_PHYE_LINK_RESET] = hisi_sas_linkreset_work,
+};
+
+bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy,
+ enum hisi_sas_phy_event event)
+{
+ struct hisi_hba *hisi_hba = phy->hisi_hba;
+
+ if (WARN_ON(event >= HISI_PHYES_NUM))
+ return false;
+
+ return queue_work(hisi_hba->wq, &phy->works[event]);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_notify_phy_event);
+
static void hisi_sas_phy_init(struct hisi_hba *hisi_hba, int phy_no)
{
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
struct asd_sas_phy *sas_phy = &phy->sas_phy;
+ int i;
phy->hisi_hba = hisi_hba;
phy->port = NULL;
+ phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+ phy->maximum_linkrate = hisi_hba->hw->phy_get_max_linkrate();
sas_phy->enabled = (phy_no < hisi_hba->n_phy) ? 1 : 0;
sas_phy->class = SAS;
sas_phy->iproto = SAS_PROTOCOL_ALL;
sas_phy->ha = (struct sas_ha_struct *)hisi_hba->shost->hostdata;
sas_phy->lldd_phy = phy;
- INIT_WORK(&phy->phyup_ws, hisi_sas_phyup_work);
+ for (i = 0; i < HISI_PHYES_NUM; i++)
+ INIT_WORK(&phy->works[i], hisi_sas_phye_fns[i]);
}
static void hisi_sas_port_notify_formed(struct asd_sas_phy *sas_phy)
hisi_sas_do_release_task(hisi_hba, slot->task, slot);
}
-static void hisi_sas_release_tasks(struct hisi_hba *hisi_hba)
+void hisi_sas_release_tasks(struct hisi_hba *hisi_hba)
{
struct hisi_sas_device *sas_dev;
struct domain_device *device;
hisi_sas_release_task(hisi_hba, device);
}
}
+EXPORT_SYMBOL_GPL(hisi_sas_release_tasks);
static void hisi_sas_dereg_device(struct hisi_hba *hisi_hba,
struct domain_device *device)
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct device *dev = hisi_hba->dev;
- dev_info(dev, "found dev[%d:%x] is gone\n",
+ dev_info(dev, "dev[%d:%x] is gone\n",
sas_dev->device_id, sas_dev->dev_type);
- hisi_sas_internal_task_abort(hisi_hba, device,
+ if (!test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) {
+ hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_DEV, 0);
- hisi_sas_dereg_device(hisi_hba, device);
+ hisi_sas_dereg_device(hisi_hba, device);
+
+ hisi_hba->hw->clear_itct(hisi_hba, sas_dev);
+ device->lldd_dev = NULL;
+ }
- hisi_hba->hw->free_device(hisi_hba, sas_dev);
- device->lldd_dev = NULL;
- memset(sas_dev, 0, sizeof(*sas_dev));
+ if (hisi_hba->hw->free_device)
+ hisi_hba->hw->free_device(sas_dev);
sas_dev->dev_type = SAS_PHY_UNUSED;
}
#define TASK_TIMEOUT 20
#define TASK_RETRY 3
+#define INTERNAL_ABORT_TIMEOUT 6
static int hisi_sas_exec_internal_tmf_task(struct domain_device *device,
void *parameter, u32 para_len,
struct hisi_sas_tmf_task *tmf)
if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
struct hisi_sas_slot *slot = task->lldd_task;
- dev_err(dev, "abort tmf: TMF task timeout\n");
+ dev_err(dev, "abort tmf: TMF task timeout and not done\n");
if (slot)
slot->task = NULL;
goto ex_err;
- }
+ } else
+ dev_err(dev, "abort tmf: TMF task timeout\n");
}
if (task->task_status.resp == SAS_TASK_COMPLETE &&
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct device *dev = hisi_hba->dev;
int s = sizeof(struct host_to_dev_fis);
- unsigned long flags;
ata_for_each_link(link, ap, EDGE) {
int pmp = sata_srst_pmp(link);
dev_err(dev, "ata disk reset failed\n");
}
- if (rc == TMF_RESP_FUNC_COMPLETE) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ if (rc == TMF_RESP_FUNC_COMPLETE)
hisi_sas_release_task(hisi_hba, device);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- }
return rc;
}
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)
+static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba)
{
- struct hisi_sas_device *sas_dev;
- struct domain_device *device;
+ u32 state = hisi_hba->hw->get_phys_state(hisi_hba);
int i;
for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
- sas_dev = &hisi_hba->devices[i];
- device = sas_dev->sas_device;
+ struct hisi_sas_device *sas_dev = &hisi_hba->devices[i];
+ struct domain_device *device = sas_dev->sas_device;
+ struct asd_sas_port *sas_port;
+ struct hisi_sas_port *port;
+ struct hisi_sas_phy *phy = NULL;
+ struct asd_sas_phy *sas_phy;
+
if ((sas_dev->dev_type == SAS_PHY_UNUSED)
- || !device || (device->port != sas_port))
+ || !device || !device->port)
continue;
- hisi_hba->hw->free_device(hisi_hba, sas_dev);
+ sas_port = device->port;
+ port = to_hisi_sas_port(sas_port);
+
+ list_for_each_entry(sas_phy, &sas_port->phy_list, port_phy_el)
+ if (state & BIT(sas_phy->id)) {
+ phy = sas_phy->lldd_phy;
+ break;
+ }
+
+ if (phy) {
+ port->id = phy->port_id;
- /* Update linkrate of directly attached device. */
- if (!device->parent)
- device->linkrate = linkrate;
+ /* Update linkrate of directly attached device. */
+ if (!device->parent)
+ device->linkrate = phy->sas_phy.linkrate;
- hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
+ hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
+ } else
+ port->id = 0xff;
}
}
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) {
+ if (state & BIT(phy_no)) {
+ if (do_port_check && sas_port && sas_port->port_dev) {
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,
hisi_sas_phy_down(hisi_hba, phy_no, 0);
}
+}
+
+static void hisi_sas_reset_init_all_devices(struct hisi_hba *hisi_hba)
+{
+ 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)
+ continue;
+
+ hisi_sas_init_device(device);
+ }
+}
+
+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;
- drain_workqueue(hisi_hba->shost->work_q);
+ /* 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;
struct Scsi_Host *shost = hisi_hba->shost;
u32 old_state, state;
- unsigned long flags;
int rc;
if (!hisi_hba->hw->soft_reset)
if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
return -1;
- dev_dbg(dev, "controller resetting...\n");
+ dev_info(dev, "controller resetting...\n");
old_state = hisi_hba->hw->get_phys_state(hisi_hba);
scsi_block_requests(shost);
+ hisi_hba->hw->wait_cmds_complete_timeout(hisi_hba, 100, 5000);
+
+ if (timer_pending(&hisi_hba->timer))
+ del_timer_sync(&hisi_hba->timer);
+
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);
+ scsi_unblock_requests(shost);
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);
+ 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);
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");
+ dev_info(dev, "controller reset complete\n");
out:
- scsi_unblock_requests(shost);
clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags);
return rc;
struct hisi_sas_tmf_task tmf_task;
struct domain_device *device = task->dev;
struct hisi_sas_device *sas_dev = device->lldd_dev;
- struct hisi_hba *hisi_hba = dev_to_hisi_hba(task->dev);
- struct device *dev = hisi_hba->dev;
+ struct hisi_hba *hisi_hba;
+ struct device *dev;
int rc = TMF_RESP_FUNC_FAILED;
unsigned long flags;
- if (!sas_dev) {
- dev_warn(dev, "Device has been removed\n");
+ if (!sas_dev)
return TMF_RESP_FUNC_FAILED;
- }
+ hisi_hba = dev_to_hisi_hba(task->dev);
+ dev = hisi_hba->dev;
+
+ spin_lock_irqsave(&task->task_state_lock, flags);
if (task->task_state_flags & SAS_TASK_STATE_DONE) {
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
rc = TMF_RESP_FUNC_COMPLETE;
goto out;
}
+ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+ spin_unlock_irqrestore(&task->task_state_lock, flags);
sas_dev->dev_status = HISI_SAS_DEV_EH;
if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
rc2 = hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_CMD, tag);
+ if (rc2 < 0) {
+ dev_err(dev, "abort task: internal abort (%d)\n", rc2);
+ return TMF_RESP_FUNC_FAILED;
+ }
+
/*
* If the TMF finds that the IO is not in the device and also
* the internal abort does not succeed, then it is safe to
* will have already been completed
*/
if (rc == TMF_RESP_FUNC_COMPLETE && rc2 != TMF_RESP_FUNC_SUCC) {
- if (task->lldd_task) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ if (task->lldd_task)
hisi_sas_do_release_task(hisi_hba, task, slot);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- }
}
} else if (task->task_proto & SAS_PROTOCOL_SATA ||
task->task_proto & SAS_PROTOCOL_STP) {
if (task->dev->dev_type == SAS_SATA_DEV) {
- hisi_sas_internal_task_abort(hisi_hba, device,
- HISI_SAS_INT_ABT_DEV, 0);
+ rc = hisi_sas_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_DEV, 0);
+ if (rc < 0) {
+ dev_err(dev, "abort task: internal abort failed\n");
+ goto out;
+ }
hisi_sas_dereg_device(hisi_hba, device);
rc = hisi_sas_softreset_ata_disk(device);
}
rc = hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_CMD, tag);
- if (rc == TMF_RESP_FUNC_FAILED && task->lldd_task) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ if (((rc < 0) || (rc == TMF_RESP_FUNC_FAILED)) &&
+ task->lldd_task)
hisi_sas_do_release_task(hisi_hba, task, slot);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- }
}
out:
static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun)
{
+ struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+ struct device *dev = hisi_hba->dev;
struct hisi_sas_tmf_task tmf_task;
int rc = TMF_RESP_FUNC_FAILED;
+ rc = hisi_sas_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_DEV, 0);
+ if (rc < 0) {
+ dev_err(dev, "abort task set: internal abort rc=%d\n", rc);
+ return TMF_RESP_FUNC_FAILED;
+ }
+ hisi_sas_dereg_device(hisi_hba, device);
+
tmf_task.tmf = TMF_ABORT_TASK_SET;
rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);
+ if (rc == TMF_RESP_FUNC_COMPLETE)
+ hisi_sas_release_task(hisi_hba, device);
+
return rc;
}
{
struct hisi_sas_device *sas_dev = device->lldd_dev;
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
- unsigned long flags;
+ struct device *dev = hisi_hba->dev;
int rc = TMF_RESP_FUNC_FAILED;
if (sas_dev->dev_status != HISI_SAS_DEV_EH)
return TMF_RESP_FUNC_FAILED;
sas_dev->dev_status = HISI_SAS_DEV_NORMAL;
- hisi_sas_internal_task_abort(hisi_hba, device,
+ rc = hisi_sas_internal_task_abort(hisi_hba, device,
HISI_SAS_INT_ABT_DEV, 0);
+ if (rc < 0) {
+ dev_err(dev, "I_T nexus reset: internal abort (%d)\n", rc);
+ return TMF_RESP_FUNC_FAILED;
+ }
hisi_sas_dereg_device(hisi_hba, device);
rc = hisi_sas_debug_I_T_nexus_reset(device);
- if (rc == TMF_RESP_FUNC_COMPLETE) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ if ((rc == TMF_RESP_FUNC_COMPLETE) || (rc == -ENODEV))
hisi_sas_release_task(hisi_hba, device);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- }
+
return rc;
}
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;
- unsigned long flags;
int rc = TMF_RESP_FUNC_FAILED;
sas_dev->dev_status = HISI_SAS_DEV_EH;
/* 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)
+ if (rc < 0) {
+ dev_err(dev, "lu_reset: internal abort failed\n");
goto out;
+ }
hisi_sas_dereg_device(hisi_hba, device);
phy = sas_get_local_phy(device);
rc = sas_phy_reset(phy, 1);
- if (rc == 0) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ if (rc == 0)
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_internal_task_abort(hisi_hba, device,
+ HISI_SAS_INT_ABT_DEV, 0);
+ if (rc < 0) {
+ dev_err(dev, "lu_reset: internal abort failed\n");
+ goto out;
+ }
+ hisi_sas_dereg_device(hisi_hba, device);
+
rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);
- if (rc == TMF_RESP_FUNC_COMPLETE) {
- spin_lock_irqsave(&hisi_hba->lock, flags);
+ if (rc == TMF_RESP_FUNC_COMPLETE)
hisi_sas_release_task(hisi_hba, device);
- spin_unlock_irqrestore(&hisi_hba->lock, flags);
- }
}
out:
if (rc != TMF_RESP_FUNC_COMPLETE)
static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha)
{
struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+ HISI_SAS_DECLARE_RST_WORK_ON_STACK(r);
+
+ queue_work(hisi_hba->wq, &r.work);
+ wait_for_completion(r.completion);
+ if (r.done)
+ return TMF_RESP_FUNC_COMPLETE;
- return hisi_sas_controller_reset(hisi_hba);
+ return TMF_RESP_FUNC_FAILED;
}
static int hisi_sas_query_task(struct sas_task *task)
struct hisi_sas_cmd_hdr *cmd_hdr_base;
struct hisi_sas_dq *dq = sas_dev->dq;
int dlvry_queue_slot, dlvry_queue, n_elem = 0, rc, slot_idx;
- unsigned long flags, flags_dq;
+ unsigned long flags, flags_dq = 0;
+ int wr_q_index;
if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
return -EINVAL;
}
spin_unlock_irqrestore(&hisi_hba->lock, flags);
- spin_lock_irqsave(&dq->lock, flags_dq);
- rc = hisi_hba->hw->get_free_slot(hisi_hba, dq);
- if (rc)
+ slot = &hisi_hba->slot_info[slot_idx];
+ memset(slot, 0, sizeof(struct hisi_sas_slot));
+
+ slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
+ GFP_ATOMIC, &slot->buf_dma);
+ if (!slot->buf) {
+ rc = -ENOMEM;
goto err_out_tag;
+ }
- dlvry_queue = dq->id;
- dlvry_queue_slot = dq->wr_point;
+ spin_lock_irqsave(&dq->lock, flags_dq);
+ wr_q_index = hisi_hba->hw->get_free_slot(hisi_hba, dq);
+ if (wr_q_index < 0) {
+ spin_unlock_irqrestore(&dq->lock, flags_dq);
+ goto err_out_buf;
+ }
+ list_add_tail(&slot->delivery, &dq->list);
+ spin_unlock_irqrestore(&dq->lock, flags_dq);
- slot = &hisi_hba->slot_info[slot_idx];
- memset(slot, 0, sizeof(struct hisi_sas_slot));
+ dlvry_queue = dq->id;
+ dlvry_queue_slot = wr_q_index;
slot->idx = slot_idx;
slot->n_elem = n_elem;
slot->cmd_hdr = &cmd_hdr_base[dlvry_queue_slot];
slot->task = task;
slot->port = port;
+ slot->is_internal = true;
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,
+ hisi_sas_task_prep_abort(hisi_hba, slot, device_id,
abort_flag, task_tag);
- if (rc)
- 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);
- dq->slot_prep = slot;
-
- atomic64_inc(&sas_dev->running_req);
-
+ slot->ready = 1;
/* send abort command to the chip */
+ spin_lock_irqsave(&dq->lock, flags);
+ list_add_tail(&slot->entry, &sas_dev->list);
hisi_hba->hw->start_delivery(dq);
- spin_unlock_irqrestore(&dq->lock, flags_dq);
+ spin_unlock_irqrestore(&dq->lock, flags);
return 0;
err_out_buf:
dma_pool_free(hisi_hba->buffer_pool, slot->buf,
- slot->buf_dma);
+ slot->buf_dma);
err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx);
spin_unlock_irqrestore(&hisi_hba->lock, flags);
- spin_unlock_irqrestore(&dq->lock, flags_dq);
err_out:
dev_err(dev, "internal abort task prep: failed[%d]!\n", rc);
struct device *dev = hisi_hba->dev;
int res;
+ /*
+ * The interface is not realized means this HW don't support internal
+ * abort, or don't need to do internal abort. Then here, we return
+ * TMF_RESP_FUNC_FAILED and let other steps go on, which depends that
+ * the internal abort has been executed and returned CQ.
+ */
if (!hisi_hba->hw->prep_abort)
- return -EOPNOTSUPP;
+ return TMF_RESP_FUNC_FAILED;
task = sas_alloc_slow_task(GFP_KERNEL);
if (!task)
task->task_proto = device->tproto;
task->task_done = hisi_sas_task_done;
task->slow_task->timer.function = hisi_sas_tmf_timedout;
- task->slow_task->timer.expires = jiffies + msecs_to_jiffies(110);
+ task->slow_task->timer.expires = jiffies + INTERNAL_ABORT_TIMEOUT*HZ;
add_timer(&task->slow_task->timer);
res = hisi_sas_internal_abort_task_exec(hisi_hba, sas_dev->device_id,
if (slot)
slot->task = NULL;
- dev_err(dev, "internal task abort: timeout.\n");
+ dev_err(dev, "internal task abort: timeout and not done.\n");
+ res = -EIO;
goto exit;
- }
+ } else
+ dev_err(dev, "internal task abort: timeout.\n");
}
if (task->task_status.resp == SAS_TASK_COMPLETE &&
hisi_sas_port_notify_formed(sas_phy);
}
+static void hisi_sas_port_deformed(struct asd_sas_phy *sas_phy)
+{
+}
+
+static int hisi_sas_write_gpio(struct sas_ha_struct *sha, u8 reg_type,
+ u8 reg_index, u8 reg_count, u8 *write_data)
+{
+ struct hisi_hba *hisi_hba = sha->lldd_ha;
+
+ if (!hisi_hba->hw->write_gpio)
+ return -EOPNOTSUPP;
+
+ return hisi_hba->hw->write_gpio(hisi_hba, reg_type,
+ reg_index, reg_count, write_data);
+}
+
static void hisi_sas_phy_disconnected(struct hisi_sas_phy *phy)
{
phy->phy_attached = 0;
struct scsi_transport_template *hisi_sas_stt;
EXPORT_SYMBOL_GPL(hisi_sas_stt);
-static struct scsi_host_template _hisi_sas_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .queuecommand = sas_queuecommand,
- .target_alloc = sas_target_alloc,
- .slave_configure = hisi_sas_slave_configure,
- .scan_finished = hisi_sas_scan_finished,
- .scan_start = hisi_sas_scan_start,
- .change_queue_depth = sas_change_queue_depth,
- .bios_param = sas_bios_param,
- .can_queue = 1,
- .this_id = -1,
- .sg_tablesize = SG_ALL,
- .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
- .use_clustering = ENABLE_CLUSTERING,
- .eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_target_reset_handler = sas_eh_target_reset_handler,
- .target_destroy = sas_target_destroy,
- .ioctl = sas_ioctl,
+struct device_attribute *host_attrs[] = {
+ &dev_attr_phy_event_threshold,
+ NULL,
};
-struct scsi_host_template *hisi_sas_sht = &_hisi_sas_sht;
-EXPORT_SYMBOL_GPL(hisi_sas_sht);
+EXPORT_SYMBOL_GPL(host_attrs);
static struct sas_domain_function_template hisi_sas_transport_ops = {
.lldd_dev_found = hisi_sas_dev_found,
.lldd_query_task = hisi_sas_query_task,
.lldd_clear_nexus_ha = hisi_sas_clear_nexus_ha,
.lldd_port_formed = hisi_sas_port_formed,
+ .lldd_port_deformed = hisi_sas_port_deformed,
+ .lldd_write_gpio = hisi_sas_write_gpio,
};
void hisi_sas_init_mem(struct hisi_hba *hisi_hba)
cq->hisi_hba = hisi_hba;
/* Delivery queue structure */
+ spin_lock_init(&dq->lock);
+ INIT_LIST_HEAD(&dq->list);
dq->id = i;
dq->hisi_hba = hisi_hba;
}
EXPORT_SYMBOL_GPL(hisi_sas_rst_work_handler);
+void hisi_sas_sync_rst_work_handler(struct work_struct *work)
+{
+ struct hisi_sas_rst *rst =
+ container_of(work, struct hisi_sas_rst, work);
+
+ if (!hisi_sas_controller_reset(rst->hisi_hba))
+ rst->done = true;
+ complete(rst->completion);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_sync_rst_work_handler);
+
int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba)
{
struct device *dev = hisi_hba->dev;
struct hisi_hba *hisi_hba;
struct device *dev = &pdev->dev;
- shost = scsi_host_alloc(hisi_sas_sht, sizeof(*hisi_hba));
+ shost = scsi_host_alloc(hw->sht, sizeof(*hisi_hba));
if (!shost) {
dev_err(dev, "scsi host alloc failed\n");
return NULL;
if (IS_ERR(hisi_hba->regs))
goto err_out;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (res) {
+ hisi_hba->sgpio_regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(hisi_hba->sgpio_regs))
+ goto err_out;
+ }
+
if (hisi_sas_alloc(hisi_hba, shost)) {
hisi_sas_free(hisi_hba);
goto err_out;
EXPORT_SYMBOL_GPL(hisi_sas_init_add);
int hisi_sas_probe(struct platform_device *pdev,
- const struct hisi_sas_hw *hw)
+ const struct hisi_sas_hw *hw)
{
struct Scsi_Host *shost;
struct hisi_hba *hisi_hba;
struct hisi_hba *hisi_hba = sha->lldd_ha;
struct Scsi_Host *shost = sha->core.shost;
+ if (timer_pending(&hisi_hba->timer))
+ del_timer(&hisi_hba->timer);
+
sas_unregister_ha(sha);
sas_remove_host(sha->core.shost);
projects / mirror_ubuntu-bionic-kernel.git / blobdiff