[SCSI] mvsas: misc improvements
Change code to match HBA datasheet.
Change code to make it readable.
Add support big endian for mvs_prd_imt.
Add cpu_to_le32 and cpu_to_le64 to use on addr.
Add scan_finished for structure mvs_prv_info.
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 38b47918..31ca8fe 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -300,7 +300,10 @@
if (ret)
return ret;
- if (dev_is_sata(dev)) {
+ if (!dev_is_sata(dev)) {
+ sas_change_queue_depth(sdev,
+ MVS_QUEUE_SIZE,
+ SCSI_QDEPTH_DEFAULT);
}
return 0;
}
@@ -311,6 +314,7 @@
unsigned short core_nr;
struct mvs_info *mvi;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct mvs_prv_info *mvs_prv = sha->lldd_ha;
core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
@@ -319,15 +323,17 @@
for (i = 0; i < mvi->chip->n_phy; ++i)
mvs_bytes_dmaed(mvi, i);
}
+ mvs_prv->scan_finished = 1;
}
int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
- /* give the phy enabling interrupt event time to come in (1s
- * is empirically about all it takes) */
- if (time < HZ)
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct mvs_prv_info *mvs_prv = sha->lldd_ha;
+
+ if (mvs_prv->scan_finished == 0)
return 0;
- /* Wait for discovery to finish */
+
scsi_flush_work(shost);
return 1;
}
@@ -625,6 +631,9 @@
}
if (is_tmf)
flags |= (MCH_SSP_FR_TASK << MCH_SSP_FR_TYPE_SHIFT);
+ else
+ flags |= (MCH_SSP_FR_CMD << MCH_SSP_FR_TYPE_SHIFT);
+
hdr->flags = cpu_to_le32(flags | (tei->n_elem << MCH_PRD_LEN_SHIFT));
hdr->tags = cpu_to_le32(tag);
hdr->data_len = cpu_to_le32(task->total_xfer_len);
@@ -1049,9 +1058,9 @@
mvs_slot_free(mvi, slot_idx);
}
-static void mvs_update_wideport(struct mvs_info *mvi, int i)
+static void mvs_update_wideport(struct mvs_info *mvi, int phy_no)
{
- struct mvs_phy *phy = &mvi->phy[i];
+ struct mvs_phy *phy = &mvi->phy[phy_no];
struct mvs_port *port = phy->port;
int j, no;
@@ -1106,16 +1115,16 @@
return NULL;
MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG3);
- s[3] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i);
+ s[3] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG2);
- s[2] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i);
+ s[2] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG1);
- s[1] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i);
+ s[1] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_SATA_SIG0);
- s[0] = MVS_CHIP_DISP->read_port_cfg_data(mvi, i);
+ s[0] = cpu_to_le32(MVS_CHIP_DISP->read_port_cfg_data(mvi, i));
/* Workaround: take some ATAPI devices for ATA */
if (((s[1] & 0x00FFFFFF) == 0x00EB1401) && (*(u8 *)&s[3] == 0x01))
@@ -1201,9 +1210,9 @@
if (MVS_CHIP_DISP->phy_work_around)
MVS_CHIP_DISP->phy_work_around(mvi, i);
}
- mv_dprintk("port %d attach dev info is %x\n",
+ mv_dprintk("phy %d attach dev info is %x\n",
i + mvi->id * mvi->chip->n_phy, phy->att_dev_info);
- mv_dprintk("port %d attach sas addr is %llx\n",
+ mv_dprintk("phy %d attach sas addr is %llx\n",
i + mvi->id * mvi->chip->n_phy, phy->att_dev_sas_addr);
out_done:
if (get_st)
@@ -1228,10 +1237,10 @@
}
hi = i/((struct mvs_prv_info *)sas_ha->lldd_ha)->n_phy;
mvi = ((struct mvs_prv_info *)sas_ha->lldd_ha)->mvi[hi];
- if (sas_port->id >= mvi->chip->n_phy)
- port = &mvi->port[sas_port->id - mvi->chip->n_phy];
+ if (i >= mvi->chip->n_phy)
+ port = &mvi->port[i - mvi->chip->n_phy];
else
- port = &mvi->port[sas_port->id];
+ port = &mvi->port[i];
if (lock)
spin_lock_irqsave(&mvi->lock, flags);
port->port_attached = 1;
@@ -1260,7 +1269,7 @@
return;
}
list_for_each_entry(dev, &port->dev_list, dev_list_node)
- mvs_do_release_task(phy->mvi, phy_no, NULL);
+ mvs_do_release_task(phy->mvi, phy_no, dev);
}
@@ -1324,6 +1333,7 @@
mvi_device->dev_status = MVS_DEV_NORMAL;
mvi_device->dev_type = dev->dev_type;
mvi_device->mvi_info = mvi;
+ mvi_device->sas_device = dev;
if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type)) {
int phy_id;
u8 phy_num = parent_dev->ex_dev.num_phys;
@@ -1375,6 +1385,7 @@
mv_dprintk("found dev has gone.\n");
}
dev->lldd_dev = NULL;
+ mvi_dev->sas_device = NULL;
spin_unlock_irqrestore(&mvi->lock, flags);
}
@@ -1455,7 +1466,7 @@
}
wait_for_completion(&task->completion);
- res = -TMF_RESP_FUNC_FAILED;
+ res = TMF_RESP_FUNC_FAILED;
/* Even TMF timed out, return direct. */
if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
@@ -1505,11 +1516,10 @@
u8 *lun, struct mvs_tmf_task *tmf)
{
struct sas_ssp_task ssp_task;
- DECLARE_COMPLETION_ONSTACK(completion);
if (!(dev->tproto & SAS_PROTOCOL_SSP))
return TMF_RESP_FUNC_ESUPP;
- strncpy((u8 *)&ssp_task.LUN, lun, 8);
+ memcpy(ssp_task.LUN, lun, 8);
return mvs_exec_internal_tmf_task(dev, &ssp_task,
sizeof(ssp_task), tmf);
@@ -1533,7 +1543,7 @@
int mvs_lu_reset(struct domain_device *dev, u8 *lun)
{
unsigned long flags;
- int i, phyno[WIDE_PORT_MAX_PHY], num , rc = TMF_RESP_FUNC_FAILED;
+ int rc = TMF_RESP_FUNC_FAILED;
struct mvs_tmf_task tmf_task;
struct mvs_device * mvi_dev = dev->lldd_dev;
struct mvs_info *mvi = mvi_dev->mvi_info;
@@ -1542,10 +1552,8 @@
mvi_dev->dev_status = MVS_DEV_EH;
rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
if (rc == TMF_RESP_FUNC_COMPLETE) {
- num = mvs_find_dev_phyno(dev, phyno);
spin_lock_irqsave(&mvi->lock, flags);
- for (i = 0; i < num; i++)
- mvs_release_task(mvi, dev);
+ mvs_release_task(mvi, dev);
spin_unlock_irqrestore(&mvi->lock, flags);
}
/* If failed, fall-through I_T_Nexus reset */
@@ -1563,6 +1571,8 @@
if (mvi_dev->dev_status != MVS_DEV_EH)
return TMF_RESP_FUNC_COMPLETE;
+ else
+ mvi_dev->dev_status = MVS_DEV_NORMAL;
rc = mvs_debug_I_T_nexus_reset(dev);
mv_printk("%s for device[%x]:rc= %d\n",
__func__, mvi_dev->device_id, rc);
@@ -1606,9 +1616,6 @@
case TMF_RESP_FUNC_FAILED:
case TMF_RESP_FUNC_COMPLETE:
break;
- default:
- rc = TMF_RESP_FUNC_COMPLETE;
- break;
}
}
mv_printk("%s:rc= %d\n", __func__, rc);
@@ -1628,8 +1635,8 @@
u32 tag;
if (!mvi_dev) {
- mv_printk("%s:%d TMF_RESP_FUNC_FAILED\n", __func__, __LINE__);
- rc = TMF_RESP_FUNC_FAILED;
+ mv_printk("Device has removed\n");
+ return TMF_RESP_FUNC_FAILED;
}
mvi = mvi_dev->mvi_info;
@@ -1677,22 +1684,15 @@
/* to do free register_set */
if (SATA_DEV == dev->dev_type) {
struct mvs_slot_info *slot = task->lldd_task;
- struct task_status_struct *tstat;
u32 slot_idx = (u32)(slot - mvi->slot_info);
- tstat = &task->task_status;
- mv_dprintk(KERN_DEBUG "mv_abort_task() mvi=%p task=%p "
+ mv_dprintk("mvs_abort_task() mvi=%p task=%p "
"slot=%p slot_idx=x%x\n",
mvi, task, slot, slot_idx);
- tstat->stat = SAS_ABORTED_TASK;
- if (mvi_dev && mvi_dev->running_req)
- mvi_dev->running_req--;
- if (sas_protocol_ata(task->task_proto))
- mvs_free_reg_set(mvi, mvi_dev);
+ mvs_tmf_timedout((unsigned long)task);
mvs_slot_task_free(mvi, task, slot, slot_idx);
- return -1;
+ rc = TMF_RESP_FUNC_COMPLETE;
+ goto out;
}
- } else {
- /* SMP */
}
out:
@@ -1813,7 +1813,7 @@
{
struct mvs_slot_info *slot = &mvi->slot_info[slot_idx];
int stat;
- u32 err_dw0 = le32_to_cpu(*(u32 *) (slot->response));
+ u32 err_dw0 = le32_to_cpu(*(u32 *)slot->response);
u32 err_dw1 = le32_to_cpu(*((u32 *)slot->response + 1));
u32 tfs = 0;
enum mvs_port_type type = PORT_TYPE_SAS;
@@ -1847,10 +1847,8 @@
case SAS_PROTOCOL_STP:
case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
{
- if (err_dw0 == 0x80400002)
- mv_printk("find reserved error, why?\n");
-
task->ata_task.use_ncq = 0;
+ stat = SAS_PROTO_RESPONSE;
mvs_sata_done(mvi, task, slot_idx, err_dw0);
}
break;
@@ -1912,6 +1910,9 @@
/* error info record present */
if (unlikely((rx_desc & RXQ_ERR) && (*(u64 *) slot->response))) {
+ mv_dprintk("port %d slot %d rx_desc %X has error info"
+ "%016llX.\n", slot->port->sas_port.id, slot_idx,
+ rx_desc, (u64)(*(u64 *)slot->response));
tstat->stat = mvs_slot_err(mvi, task, slot_idx);
tstat->resp = SAS_TASK_COMPLETE;
goto out;
@@ -1973,8 +1974,7 @@
spin_unlock(&mvi->lock);
if (task->task_done)
task->task_done(task);
- else
- mv_dprintk("why has not task_done.\n");
+
spin_lock(&mvi->lock);
return sts;
@@ -2115,9 +2115,10 @@
struct mvs_phy *phy = &mvi->phy[phy_no];
phy->irq_status = MVS_CHIP_DISP->read_port_irq_stat(mvi, phy_no);
- mv_dprintk("port %d ctrl sts=0x%X.\n", phy_no+mvi->id*mvi->chip->n_phy,
+ MVS_CHIP_DISP->write_port_irq_stat(mvi, phy_no, phy->irq_status);
+ mv_dprintk("phy %d ctrl sts=0x%08X.\n", phy_no+mvi->id*mvi->chip->n_phy,
MVS_CHIP_DISP->read_phy_ctl(mvi, phy_no));
- mv_dprintk("Port %d irq sts = 0x%X\n", phy_no+mvi->id*mvi->chip->n_phy,
+ mv_dprintk("phy %d irq sts = 0x%08X\n", phy_no+mvi->id*mvi->chip->n_phy,
phy->irq_status);
/*
@@ -2126,11 +2127,12 @@
*/
if (phy->irq_status & PHYEV_DCDR_ERR) {
- mv_dprintk("port %d STP decoding error.\n",
+ mv_dprintk("phy %d STP decoding error.\n",
phy_no + mvi->id*mvi->chip->n_phy);
}
if (phy->irq_status & PHYEV_POOF) {
+ mdelay(500);
if (!(phy->phy_event & PHY_PLUG_OUT)) {
int dev_sata = phy->phy_type & PORT_TYPE_SATA;
int ready;
@@ -2141,10 +2143,6 @@
(void *)(unsigned long)phy_no,
PHY_PLUG_EVENT);
ready = mvs_is_phy_ready(mvi, phy_no);
- if (!ready)
- mv_dprintk("phy%d Unplug Notice\n",
- phy_no +
- mvi->id * mvi->chip->n_phy);
if (ready || dev_sata) {
if (MVS_CHIP_DISP->stp_reset)
MVS_CHIP_DISP->stp_reset(mvi,
@@ -2164,7 +2162,7 @@
if (phy->timer.function == NULL) {
phy->timer.data = (unsigned long)phy;
phy->timer.function = mvs_sig_time_out;
- phy->timer.expires = jiffies + 10*HZ;
+ phy->timer.expires = jiffies + 5*HZ;
add_timer(&phy->timer);
}
}
@@ -2198,12 +2196,11 @@
phy_no + mvi->id*mvi->chip->n_phy);
}
} else if (phy->irq_status & PHYEV_BROAD_CH) {
- mv_dprintk("port %d broadcast change.\n",
+ mv_dprintk("phy %d broadcast change.\n",
phy_no + mvi->id*mvi->chip->n_phy);
mvs_handle_event(mvi, (void *)(unsigned long)phy_no,
EXP_BRCT_CHG);
}
- MVS_CHIP_DISP->write_port_irq_stat(mvi, phy_no, phy->irq_status);
}
int mvs_int_rx(struct mvs_info *mvi, bool self_clear)