Lines Matching +full:sata +full:- +full:port
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Support for SATA devices on Serial Attached SCSI (SAS) controllers
32 if (ts->resp == SAS_TASK_UNDELIVERED) in sas_to_ata_err()
35 /* ts->resp == SAS_TASK_COMPLETE */ in sas_to_ata_err()
37 switch (ts->stat) { in sas_to_ata_err()
60 __func__, ts->stat); in sas_to_ata_err()
77 struct ata_queued_cmd *qc = task->uldd_task; in sas_ata_task_done()
78 struct domain_device *dev = task->dev; in sas_ata_task_done()
79 struct task_status_struct *stat = &task->task_status; in sas_ata_task_done()
80 struct ata_task_resp *resp = (struct ata_task_resp *)stat->buf; in sas_ata_task_done()
81 struct sas_ha_struct *sas_ha = dev->port->ha; in sas_ata_task_done()
87 spin_lock_irqsave(&dev->done_lock, flags); in sas_ata_task_done()
88 if (test_bit(SAS_HA_FROZEN, &sas_ha->state)) in sas_ata_task_done()
90 else if (qc && qc->scsicmd) in sas_ata_task_done()
91 ASSIGN_SAS_TASK(qc->scsicmd, NULL); in sas_ata_task_done()
92 spin_unlock_irqrestore(&dev->done_lock, flags); in sas_ata_task_done()
94 /* check if libsas-eh got to the task before us */ in sas_ata_task_done()
101 ap = qc->ap; in sas_ata_task_done()
102 link = &ap->link; in sas_ata_task_done()
104 spin_lock_irqsave(ap->lock, flags); in sas_ata_task_done()
106 if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) { in sas_ata_task_done()
107 spin_unlock_irqrestore(ap->lock, flags); in sas_ata_task_done()
108 if (qc->scsicmd) in sas_ata_task_done()
111 /* if eh is not involved and the port is frozen then the in sas_ata_task_done()
119 if (stat->stat == SAS_PROTO_RESPONSE || in sas_ata_task_done()
120 stat->stat == SAS_SAM_STAT_GOOD || in sas_ata_task_done()
121 (stat->stat == SAS_SAM_STAT_CHECK_CONDITION && in sas_ata_task_done()
122 dev->sata_dev.class == ATA_DEV_ATAPI)) { in sas_ata_task_done()
123 memcpy(dev->sata_dev.fis, resp->ending_fis, ATA_RESP_FIS_SIZE); in sas_ata_task_done()
125 if (!link->sactive) { in sas_ata_task_done()
126 qc->err_mask |= ac_err_mask(dev->sata_dev.fis[2]); in sas_ata_task_done()
128 link->eh_info.err_mask |= ac_err_mask(dev->sata_dev.fis[2]); in sas_ata_task_done()
129 if (unlikely(link->eh_info.err_mask)) in sas_ata_task_done()
130 qc->flags |= ATA_QCFLAG_FAILED; in sas_ata_task_done()
135 pr_warn("%s: SAS error 0x%x\n", __func__, stat->stat); in sas_ata_task_done()
137 if (!link->sactive) { in sas_ata_task_done()
138 qc->err_mask = ac; in sas_ata_task_done()
140 link->eh_info.err_mask |= AC_ERR_DEV; in sas_ata_task_done()
141 qc->flags |= ATA_QCFLAG_FAILED; in sas_ata_task_done()
144 dev->sata_dev.fis[3] = 0x04; /* status err */ in sas_ata_task_done()
145 dev->sata_dev.fis[2] = ATA_ERR; in sas_ata_task_done()
149 qc->lldd_task = NULL; in sas_ata_task_done()
151 spin_unlock_irqrestore(ap->lock, flags); in sas_ata_task_done()
158 __must_hold(ap->lock) in sas_ata_qc_issue()
164 struct ata_port *ap = qc->ap; in sas_ata_qc_issue()
165 struct domain_device *dev = ap->private_data; in sas_ata_qc_issue()
166 struct sas_ha_struct *sas_ha = dev->port->ha; in sas_ata_qc_issue()
167 struct Scsi_Host *host = sas_ha->core.shost; in sas_ata_qc_issue()
168 struct sas_internal *i = to_sas_internal(host->transportt); in sas_ata_qc_issue()
171 spin_unlock(ap->lock); in sas_ata_qc_issue()
174 if (test_bit(SAS_DEV_GONE, &dev->state)) in sas_ata_qc_issue()
180 task->dev = dev; in sas_ata_qc_issue()
181 task->task_proto = SAS_PROTOCOL_STP; in sas_ata_qc_issue()
182 task->task_done = sas_ata_task_done; in sas_ata_qc_issue()
184 if (qc->tf.command == ATA_CMD_FPDMA_WRITE || in sas_ata_qc_issue()
185 qc->tf.command == ATA_CMD_FPDMA_READ || in sas_ata_qc_issue()
186 qc->tf.command == ATA_CMD_FPDMA_RECV || in sas_ata_qc_issue()
187 qc->tf.command == ATA_CMD_FPDMA_SEND || in sas_ata_qc_issue()
188 qc->tf.command == ATA_CMD_NCQ_NON_DATA) { in sas_ata_qc_issue()
190 qc->tf.nsect = 0; in sas_ata_qc_issue()
193 ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis); in sas_ata_qc_issue()
194 task->uldd_task = qc; in sas_ata_qc_issue()
195 if (ata_is_atapi(qc->tf.protocol)) { in sas_ata_qc_issue()
196 memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len); in sas_ata_qc_issue()
197 task->total_xfer_len = qc->nbytes; in sas_ata_qc_issue()
198 task->num_scatter = qc->n_elem; in sas_ata_qc_issue()
199 task->data_dir = qc->dma_dir; in sas_ata_qc_issue()
200 } else if (qc->tf.protocol == ATA_PROT_NODATA) { in sas_ata_qc_issue()
201 task->data_dir = DMA_NONE; in sas_ata_qc_issue()
203 for_each_sg(qc->sg, sg, qc->n_elem, si) in sas_ata_qc_issue()
206 task->total_xfer_len = xfer; in sas_ata_qc_issue()
207 task->num_scatter = si; in sas_ata_qc_issue()
208 task->data_dir = qc->dma_dir; in sas_ata_qc_issue()
210 task->scatter = qc->sg; in sas_ata_qc_issue()
211 task->ata_task.retry_count = 1; in sas_ata_qc_issue()
212 task->task_state_flags = SAS_TASK_STATE_PENDING; in sas_ata_qc_issue()
213 qc->lldd_task = task; in sas_ata_qc_issue()
215 task->ata_task.use_ncq = ata_is_ncq(qc->tf.protocol); in sas_ata_qc_issue()
216 task->ata_task.dma_xfer = ata_is_dma(qc->tf.protocol); in sas_ata_qc_issue()
218 if (qc->scsicmd) in sas_ata_qc_issue()
219 ASSIGN_SAS_TASK(qc->scsicmd, task); in sas_ata_qc_issue()
221 ret = i->dft->lldd_execute_task(task, GFP_ATOMIC); in sas_ata_qc_issue()
225 if (qc->scsicmd) in sas_ata_qc_issue()
226 ASSIGN_SAS_TASK(qc->scsicmd, NULL); in sas_ata_qc_issue()
228 qc->lldd_task = NULL; in sas_ata_qc_issue()
233 spin_lock(ap->lock); in sas_ata_qc_issue()
239 struct domain_device *dev = qc->ap->private_data; in sas_ata_qc_fill_rtf()
241 ata_tf_from_fis(dev->sata_dev.fis, &qc->result_tf); in sas_ata_qc_fill_rtf()
247 return to_sas_internal(dev->port->ha->core.shost->transportt); in dev_to_sas_internal()
254 if (phy->attached_tproto & SAS_PROTOCOL_STP) in sas_get_ata_info()
255 dev->tproto = phy->attached_tproto; in sas_get_ata_info()
256 if (phy->attached_sata_dev) in sas_get_ata_info()
257 dev->tproto |= SAS_SATA_DEV; in sas_get_ata_info()
259 if (phy->attached_dev_type == SAS_SATA_PENDING) in sas_get_ata_info()
260 dev->dev_type = SAS_SATA_PENDING; in sas_get_ata_info()
264 dev->dev_type = SAS_SATA_DEV; in sas_get_ata_info()
265 res = sas_get_report_phy_sata(dev->parent, phy->phy_id, in sas_get_ata_info()
266 &dev->sata_dev.rps_resp); in sas_get_ata_info()
268 pr_debug("report phy sata to %016llx:%02d returned 0x%x\n", in sas_get_ata_info()
269 SAS_ADDR(dev->parent->sas_addr), in sas_get_ata_info()
270 phy->phy_id, res); in sas_get_ata_info()
273 memcpy(dev->frame_rcvd, &dev->sata_dev.rps_resp.rps.fis, in sas_get_ata_info()
275 dev->sata_dev.class = sas_get_ata_command_set(dev); in sas_get_ata_info()
285 if (dev->dev_type != SAS_SATA_PENDING) in sas_ata_clear_pending()
301 struct ata_port *ap = link->ap; in smp_ata_check_ready()
302 struct domain_device *dev = ap->private_data; in smp_ata_check_ready()
303 struct domain_device *ex_dev = dev->parent; in smp_ata_check_ready()
305 struct ex_phy *ex_phy = &ex_dev->ex_dev.ex_phy[phy->number]; in smp_ata_check_ready()
307 res = sas_ex_phy_discover(ex_dev, phy->number); in smp_ata_check_ready()
313 if (res == -ECOMM) in smp_ata_check_ready()
318 switch (ex_phy->attached_dev_type) { in smp_ata_check_ready()
322 if (ex_phy->attached_sata_dev) in smp_ata_check_ready()
326 return -ENODEV; in smp_ata_check_ready()
332 struct ata_port *ap = link->ap; in local_ata_check_ready()
333 struct domain_device *dev = ap->private_data; in local_ata_check_ready()
336 if (i->dft->lldd_ata_check_ready) in local_ata_check_ready()
337 return i->dft->lldd_ata_check_ready(dev); in local_ata_check_ready()
350 struct ata_port *ap = ddev->sata_dev.ap; in sas_ata_printk()
351 struct device *dev = &ddev->rphy->dev; in sas_ata_printk()
362 level, ap->print_id, dev_name(dev), &vaf); in sas_ata_printk()
374 struct ata_port *ap = link->ap; in sas_ata_hard_reset()
376 struct domain_device *dev = ap->private_data; in sas_ata_hard_reset()
379 res = i->dft->lldd_I_T_nexus_reset(dev); in sas_ata_hard_reset()
380 if (res == -ENODEV) in sas_ata_hard_reset()
394 if (ret && ret != -EAGAIN) in sas_ata_hard_reset()
397 *class = dev->sata_dev.class; in sas_ata_hard_reset()
399 ap->cbl = ATA_CBL_SATA; in sas_ata_hard_reset()
405 * that bypasses scsi-eh
409 struct sas_internal *si = dev_to_sas_internal(task->dev); in sas_ata_internal_abort()
413 spin_lock_irqsave(&task->task_state_lock, flags); in sas_ata_internal_abort()
414 if (task->task_state_flags & SAS_TASK_STATE_ABORTED || in sas_ata_internal_abort()
415 task->task_state_flags & SAS_TASK_STATE_DONE) { in sas_ata_internal_abort()
416 spin_unlock_irqrestore(&task->task_state_lock, flags); in sas_ata_internal_abort()
420 task->task_state_flags |= SAS_TASK_STATE_ABORTED; in sas_ata_internal_abort()
421 spin_unlock_irqrestore(&task->task_state_lock, flags); in sas_ata_internal_abort()
423 res = si->dft->lldd_abort_task(task); in sas_ata_internal_abort()
425 spin_lock_irqsave(&task->task_state_lock, flags); in sas_ata_internal_abort()
426 if (task->task_state_flags & SAS_TASK_STATE_DONE || in sas_ata_internal_abort()
428 spin_unlock_irqrestore(&task->task_state_lock, flags); in sas_ata_internal_abort()
432 /* XXX we are not prepared to deal with ->lldd_abort_task() in sas_ata_internal_abort()
439 if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) in sas_ata_internal_abort()
440 task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; in sas_ata_internal_abort()
441 spin_unlock_irqrestore(&task->task_state_lock, flags); in sas_ata_internal_abort()
450 if (qc->flags & ATA_QCFLAG_FAILED) in sas_ata_post_internal()
451 qc->err_mask |= AC_ERR_OTHER; in sas_ata_post_internal()
453 if (qc->err_mask) { in sas_ata_post_internal()
456 * has decided to kill the qc and has frozen the port. in sas_ata_post_internal()
459 * ->lldd_abort_task) that the task is dead and free it in sas_ata_post_internal()
462 struct sas_task *task = qc->lldd_task; in sas_ata_post_internal()
464 qc->lldd_task = NULL; in sas_ata_post_internal()
467 task->uldd_task = NULL; in sas_ata_post_internal()
475 struct domain_device *dev = ap->private_data; in sas_ata_set_dmamode()
478 if (i->dft->lldd_ata_set_dmamode) in sas_ata_set_dmamode()
479 i->dft->lldd_ata_set_dmamode(dev); in sas_ata_set_dmamode()
484 struct domain_device *dev = ap->private_data; in sas_ata_sched_eh()
485 struct sas_ha_struct *ha = dev->port->ha; in sas_ata_sched_eh()
488 spin_lock_irqsave(&ha->lock, flags); in sas_ata_sched_eh()
489 if (!test_and_set_bit(SAS_DEV_EH_PENDING, &dev->state)) in sas_ata_sched_eh()
490 ha->eh_active++; in sas_ata_sched_eh()
492 spin_unlock_irqrestore(&ha->lock, flags); in sas_ata_sched_eh()
497 struct domain_device *dev = ap->private_data; in sas_ata_end_eh()
498 struct sas_ha_struct *ha = dev->port->ha; in sas_ata_end_eh()
501 spin_lock_irqsave(&ha->lock, flags); in sas_ata_end_eh()
502 if (test_and_clear_bit(SAS_DEV_EH_PENDING, &dev->state)) in sas_ata_end_eh()
503 ha->eh_active--; in sas_ata_end_eh()
504 spin_unlock_irqrestore(&ha->lock, flags); in sas_ata_end_eh()
509 struct ata_port *ap = link->ap; in sas_ata_prereset()
510 struct domain_device *dev = ap->private_data; in sas_ata_prereset()
514 if (!local_phy->enabled || test_bit(SAS_DEV_GONE, &dev->state)) in sas_ata_prereset()
515 res = -ENOENT; in sas_ata_prereset()
548 struct sas_ha_struct *ha = found_dev->port->ha; in sas_ata_init()
549 struct Scsi_Host *shost = ha->core.shost; in sas_ata_init()
557 return -ENOMEM; in sas_ata_init()
560 ata_host_init(ata_host, ha->dev, &sas_sata_ops); in sas_ata_init()
565 rc = -ENODEV; in sas_ata_init()
569 ap->private_data = found_dev; in sas_ata_init()
570 ap->cbl = ATA_CBL_SATA; in sas_ata_init()
571 ap->scsi_host = shost; in sas_ata_init()
576 rc = ata_sas_tport_add(ata_host->dev, ap); in sas_ata_init()
580 found_dev->sata_dev.ata_host = ata_host; in sas_ata_init()
581 found_dev->sata_dev.ap = ap; in sas_ata_init()
594 struct ata_queued_cmd *qc = task->uldd_task; in sas_ata_task_abort()
597 /* Bounce SCSI-initiated commands to the SCSI EH */ in sas_ata_task_abort()
598 if (qc->scsicmd) { in sas_ata_task_abort()
599 blk_abort_request(scsi_cmd_to_rq(qc->scsicmd)); in sas_ata_task_abort()
604 qc->flags &= ~ATA_QCFLAG_ACTIVE; in sas_ata_task_abort()
605 qc->flags |= ATA_QCFLAG_FAILED; in sas_ata_task_abort()
606 qc->err_mask |= AC_ERR_TIMEOUT; in sas_ata_task_abort()
607 waiting = qc->private_data; in sas_ata_task_abort()
614 (struct dev_to_host_fis *) dev->frame_rcvd; in sas_get_ata_command_set()
617 if (dev->dev_type == SAS_SATA_PENDING) in sas_get_ata_command_set()
625 void sas_probe_sata(struct asd_sas_port *port) in sas_probe_sata() argument
629 mutex_lock(&port->ha->disco_mutex); in sas_probe_sata()
630 list_for_each_entry(dev, &port->disco_list, disco_list_node) { in sas_probe_sata()
634 ata_sas_async_probe(dev->sata_dev.ap); in sas_probe_sata()
636 mutex_unlock(&port->ha->disco_mutex); in sas_probe_sata()
638 list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) { in sas_probe_sata()
648 sas_fail_probe(dev, __func__, -ENODEV); in sas_probe_sata()
653 static void sas_ata_flush_pm_eh(struct asd_sas_port *port, const char *func) in sas_ata_flush_pm_eh() argument
657 list_for_each_entry_safe(dev, n, &port->dev_list, dev_list_node) { in sas_ata_flush_pm_eh()
665 sas_fail_probe(dev, func, -ENODEV); in sas_ata_flush_pm_eh()
669 void sas_suspend_sata(struct asd_sas_port *port) in sas_suspend_sata() argument
673 mutex_lock(&port->ha->disco_mutex); in sas_suspend_sata()
674 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_suspend_sata()
675 struct sata_device *sata; in sas_suspend_sata() local
680 sata = &dev->sata_dev; in sas_suspend_sata()
681 if (sata->ap->pm_mesg.event == PM_EVENT_SUSPEND) in sas_suspend_sata()
684 ata_sas_port_suspend(sata->ap); in sas_suspend_sata()
686 mutex_unlock(&port->ha->disco_mutex); in sas_suspend_sata()
688 sas_ata_flush_pm_eh(port, __func__); in sas_suspend_sata()
691 void sas_resume_sata(struct asd_sas_port *port) in sas_resume_sata() argument
695 mutex_lock(&port->ha->disco_mutex); in sas_resume_sata()
696 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_resume_sata()
697 struct sata_device *sata; in sas_resume_sata() local
702 sata = &dev->sata_dev; in sas_resume_sata()
703 if (sata->ap->pm_mesg.event == PM_EVENT_ON) in sas_resume_sata()
706 ata_sas_port_resume(sata->ap); in sas_resume_sata()
708 mutex_unlock(&port->ha->disco_mutex); in sas_resume_sata()
710 sas_ata_flush_pm_eh(port, __func__); in sas_resume_sata()
714 * sas_discover_sata - discover an STP/SATA domain device
717 * Devices directly attached to a HA port, have no parents. All other
723 if (dev->dev_type == SAS_SATA_PM) in sas_discover_sata()
724 return -ENODEV; in sas_discover_sata()
726 dev->sata_dev.class = sas_get_ata_command_set(dev); in sas_discover_sata()
727 sas_fill_in_rphy(dev, dev->rphy); in sas_discover_sata()
735 struct ata_port *ap = dev->sata_dev.ap; in async_sas_ata_eh()
736 struct sas_ha_struct *ha = dev->port->ha; in async_sas_ata_eh()
739 ata_scsi_port_error_handler(ha->core.shost, ap); in async_sas_ata_eh()
759 spin_lock_irq(&sas_ha->phy_port_lock); in sas_ata_strategy_handler()
760 for (i = 0; i < sas_ha->num_phys; i++) { in sas_ata_strategy_handler()
761 struct asd_sas_port *port = sas_ha->sas_port[i]; in sas_ata_strategy_handler() local
764 spin_lock(&port->dev_list_lock); in sas_ata_strategy_handler()
765 list_for_each_entry(dev, &port->dev_list, dev_list_node) { in sas_ata_strategy_handler()
773 kref_get(&dev->kref); in sas_ata_strategy_handler()
777 spin_unlock(&port->dev_list_lock); in sas_ata_strategy_handler()
779 spin_unlock_irq(&sas_ha->phy_port_lock); in sas_ata_strategy_handler()
804 list_move(&cmd->eh_entry, &sata_q); in sas_ata_eh()
808 struct ata_port *ap = eh_dev->sata_dev.ap; in sas_ata_eh()
838 ap = dev->sata_dev.ap; in sas_ata_schedule_reset()
839 ehi = &ap->link.eh_info; in sas_ata_schedule_reset()
841 spin_lock_irqsave(ap->lock, flags); in sas_ata_schedule_reset()
842 ehi->err_mask |= AC_ERR_TIMEOUT; in sas_ata_schedule_reset()
843 ehi->action |= ATA_EH_RESET; in sas_ata_schedule_reset()
845 spin_unlock_irqrestore(ap->lock, flags); in sas_ata_schedule_reset()
856 ap = dev->sata_dev.ap; in sas_ata_wait_eh()