Merge branch 'misc' into for-next

Documentation/scsi/scsi_eh.rst

@@ -92,14 +92,17 @@ The timeout handler is scsi_timeout().  When a timeout occurs, this function
  1. invokes optional hostt->eh_timed_out() callback.  Return value can
     be one of
 
-    - BLK_EH_RESET_TIMER
+    - SCSI_EH_RESET_TIMER
 	This indicates that more time is required to finish the
 	command.  Timer is restarted.
 
-    - BLK_EH_DONE
+    - SCSI_EH_NOT_HANDLED
         eh_timed_out() callback did not handle the command.
 	Step #2 is taken.
 
+    - SCSI_EH_DONE
+        eh_timed_out() completed the command.
+
  2. scsi_abort_command() is invoked to schedule an asynchronous abort which may
     issue a retry scmd->allowed + 1 times.  Asynchronous aborts are not invoked
     for commands for which the SCSI_EH_ABORT_SCHEDULED flag is set (this

drivers/message/fusion/mptsas.c

@@ -1952,12 +1952,12 @@ mptsas_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
  *	@sc: scsi command that the midlayer is about to time out
  *
  **/
-static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
+static enum scsi_timeout_action mptsas_eh_timed_out(struct scsi_cmnd *sc)
 {
 	MPT_SCSI_HOST *hd;
 	MPT_ADAPTER   *ioc;
 	VirtDevice    *vdevice;
-	enum blk_eh_timer_return rc = BLK_EH_DONE;
+	enum scsi_timeout_action rc = SCSI_EH_NOT_HANDLED;
 
 	hd = shost_priv(sc->device->host);
 	if (hd == NULL) {
@@ -1980,15 +1980,15 @@ static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
 		dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
 		    "SML need to reset the timer (sc=%p)\n",
 		    ioc->name, __func__, sc));
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 	}
 	vdevice = sc->device->hostdata;
 	if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
 		|| vdevice->vtarget->deleted)) {
 		dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
 		    "or in device removal delay (sc=%p)\n",
 		    ioc->name, __func__, sc));
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		goto done;
 	}
 

drivers/scsi/hisi_sas/hisi_sas_main.c

@@ -177,22 +177,22 @@ static void hisi_sas_slot_index_set(struct hisi_hba *hisi_hba, int slot_idx)
 }
 
 static int hisi_sas_slot_index_alloc(struct hisi_hba *hisi_hba,
-				     struct scsi_cmnd *scsi_cmnd)
+				     struct request *rq)
 {
 	int index;
 	void *bitmap = hisi_hba->slot_index_tags;
 
-	if (scsi_cmnd)
-		return scsi_cmd_to_rq(scsi_cmnd)->tag;
+	if (rq)
+		return rq->tag + HISI_SAS_RESERVED_IPTT;
 
 	spin_lock(&hisi_hba->lock);
-	index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count,
+	index = find_next_zero_bit(bitmap, HISI_SAS_RESERVED_IPTT,
 				   hisi_hba->last_slot_index + 1);
-	if (index >= hisi_hba->slot_index_count) {
+	if (index >= HISI_SAS_RESERVED_IPTT) {
 		index = find_next_zero_bit(bitmap,
-				hisi_hba->slot_index_count,
-				HISI_SAS_UNRESERVED_IPTT);
-		if (index >= hisi_hba->slot_index_count) {
+				HISI_SAS_RESERVED_IPTT,
+				0);
+		if (index >= HISI_SAS_RESERVED_IPTT) {
 			spin_unlock(&hisi_hba->lock);
 			return -SAS_QUEUE_FULL;
 		}
@@ -461,11 +461,11 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
 	struct asd_sas_port *sas_port = device->port;
 	struct hisi_sas_device *sas_dev = device->lldd_dev;
 	bool internal_abort = sas_is_internal_abort(task);
-	struct scsi_cmnd *scmd = NULL;
 	struct hisi_sas_dq *dq = NULL;
 	struct hisi_sas_port *port;
 	struct hisi_hba *hisi_hba;
 	struct hisi_sas_slot *slot;
+	struct request *rq = NULL;
 	struct device *dev;
 	int rc;
 
@@ -520,22 +520,12 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
 				return -ECOMM;
 		}
 
-		if (task->uldd_task) {
-			struct ata_queued_cmd *qc;
-
-			if (dev_is_sata(device)) {
-				qc = task->uldd_task;
-				scmd = qc->scsicmd;
-			} else {
-				scmd = task->uldd_task;
-			}
-		}
-
-		if (scmd) {
+		rq = sas_task_find_rq(task);
+		if (rq) {
 			unsigned int dq_index;
 			u32 blk_tag;
 
-			blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
+			blk_tag = blk_mq_unique_tag(rq);
 			dq_index = blk_mq_unique_tag_to_hwq(blk_tag);
 			dq = &hisi_hba->dq[dq_index];
 		} else {
@@ -580,7 +570,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
 	if (!internal_abort && hisi_hba->hw->slot_index_alloc)
 		rc = hisi_hba->hw->slot_index_alloc(hisi_hba, device);
 	else
-		rc = hisi_sas_slot_index_alloc(hisi_hba, scmd);
+		rc = hisi_sas_slot_index_alloc(hisi_hba, rq);
 
 	if (rc < 0)
 		goto err_out_dif_dma_unmap;
@@ -2226,7 +2216,7 @@ int hisi_sas_alloc(struct hisi_hba *hisi_hba)
 	if (!hisi_hba->sata_breakpoint)
 		goto err_out;
 
-	hisi_hba->last_slot_index = HISI_SAS_UNRESERVED_IPTT;
+	hisi_hba->last_slot_index = 0;
 
 	hisi_hba->wq = create_singlethread_workqueue(dev_name(dev));
 	if (!hisi_hba->wq) {

drivers/scsi/libiscsi.c

@@ -2071,9 +2071,9 @@ static int iscsi_has_ping_timed_out(struct iscsi_conn *conn)
 		return 0;
 }
 
-enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
+enum scsi_timeout_action iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 {
-	enum blk_eh_timer_return rc = BLK_EH_DONE;
+	enum scsi_timeout_action rc = SCSI_EH_NOT_HANDLED;
 	struct iscsi_task *task = NULL, *running_task;
 	struct iscsi_cls_session *cls_session;
 	struct iscsi_session *session;
@@ -2093,7 +2093,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 		 * Raced with completion. Blk layer has taken ownership
 		 * so let timeout code complete it now.
 		 */
-		rc = BLK_EH_DONE;
+		rc = SCSI_EH_NOT_HANDLED;
 		spin_unlock(&session->back_lock);
 		goto done;
 	}
@@ -2102,7 +2102,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 		 * Racing with the completion path right now, so give it more
 		 * time so that path can complete it like normal.
 		 */
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		task = NULL;
 		spin_unlock(&session->back_lock);
 		goto done;
@@ -2120,21 +2120,21 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 		if (unlikely(system_state != SYSTEM_RUNNING)) {
 			sc->result = DID_NO_CONNECT << 16;
 			ISCSI_DBG_EH(session, "sc on shutdown, handled\n");
-			rc = BLK_EH_DONE;
+			rc = SCSI_EH_NOT_HANDLED;
 			goto done;
 		}
 		/*
 		 * We are probably in the middle of iscsi recovery so let
 		 * that complete and handle the error.
 		 */
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		goto done;
 	}
 
 	conn = session->leadconn;
 	if (!conn) {
 		/* In the middle of shuting down */
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		goto done;
 	}
 
@@ -2151,7 +2151,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 			     "Last data xfer at %lu. Last timeout was at "
 			     "%lu\n.", task->last_xfer, task->last_timeout);
 		task->have_checked_conn = false;
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		goto done;
 	}
 
@@ -2162,7 +2162,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 	 * and can let the iscsi eh handle it
 	 */
 	if (iscsi_has_ping_timed_out(conn)) {
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		goto done;
 	}
 
@@ -2200,7 +2200,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 				     task->last_xfer, running_task->last_xfer,
 				     task->last_timeout);
 			spin_unlock(&session->back_lock);
-			rc = BLK_EH_RESET_TIMER;
+			rc = SCSI_EH_RESET_TIMER;
 			goto done;
 		}
 	}
@@ -2216,14 +2216,14 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 	 */
 	if (READ_ONCE(conn->ping_task)) {
 		task->have_checked_conn = true;
-		rc = BLK_EH_RESET_TIMER;
+		rc = SCSI_EH_RESET_TIMER;
 		goto done;
 	}
 
 	/* Make sure there is a transport check done */
 	iscsi_send_nopout(conn, NULL);
 	task->have_checked_conn = true;
-	rc = BLK_EH_RESET_TIMER;
+	rc = SCSI_EH_RESET_TIMER;
 
 done:
 	spin_unlock_bh(&session->frwd_lock);
@@ -2232,7 +2232,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
 		task->last_timeout = jiffies;
 		iscsi_put_task(task);
 	}
-	ISCSI_DBG_EH(session, "return %s\n", rc == BLK_EH_RESET_TIMER ?
+	ISCSI_DBG_EH(session, "return %s\n", rc == SCSI_EH_RESET_TIMER ?
 		     "timer reset" : "shutdown or nh");
 	return rc;
 }

drivers/scsi/lpfc/lpfc_attr.c

@@ -1877,6 +1877,122 @@ lpfc_set_trunking(struct lpfc_hba *phba, char *buff_out)
 	return 0;
 }
 
+static ssize_t
+lpfc_xcvr_data_show(struct device *dev, struct device_attribute *attr,
+		    char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int rc;
+	int len = 0;
+	struct lpfc_rdp_context	*rdp_context;
+	u16 temperature;
+	u16 rx_power;
+	u16 tx_bias;
+	u16 tx_power;
+	u16 vcc;
+	char chbuf[128];
+	u16 wavelength = 0;
+	struct sff_trasnceiver_codes_byte7 *trasn_code_byte7;
+
+	/* Get transceiver information */
+	rdp_context = kmalloc(sizeof(*rdp_context), GFP_KERNEL);
+
+	rc = lpfc_get_sfp_info_wait(phba, rdp_context);
+	if (rc) {
+		len = scnprintf(buf, PAGE_SIZE - len, "SFP info NA:\n");
+		goto out_free_rdp;
+	}
+
+	strncpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_NAME], 16);
+	chbuf[16] = 0;
+
+	len = scnprintf(buf, PAGE_SIZE - len, "VendorName:\t%s\n", chbuf);
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			 "VendorOUI:\t%02x-%02x-%02x\n",
+			 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI],
+			 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI + 1],
+			 (uint8_t)rdp_context->page_a0[SSF_VENDOR_OUI + 2]);
+	strncpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_PN], 16);
+	chbuf[16] = 0;
+	len += scnprintf(buf + len, PAGE_SIZE - len, "VendorPN:\t%s\n", chbuf);
+	strncpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_SN], 16);
+	chbuf[16] = 0;
+	len += scnprintf(buf + len, PAGE_SIZE - len, "VendorSN:\t%s\n", chbuf);
+	strncpy(chbuf, &rdp_context->page_a0[SSF_VENDOR_REV], 4);
+	chbuf[4] = 0;
+	len += scnprintf(buf + len, PAGE_SIZE - len, "VendorRev:\t%s\n", chbuf);
+	strncpy(chbuf, &rdp_context->page_a0[SSF_DATE_CODE], 8);
+	chbuf[8] = 0;
+	len += scnprintf(buf + len, PAGE_SIZE - len, "DateCode:\t%s\n", chbuf);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Identifier:\t%xh\n",
+			 (uint8_t)rdp_context->page_a0[SSF_IDENTIFIER]);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "ExtIdentifier:\t%xh\n",
+			 (uint8_t)rdp_context->page_a0[SSF_EXT_IDENTIFIER]);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Connector:\t%xh\n",
+			 (uint8_t)rdp_context->page_a0[SSF_CONNECTOR]);
+	wavelength = (rdp_context->page_a0[SSF_WAVELENGTH_B1] << 8) |
+		      rdp_context->page_a0[SSF_WAVELENGTH_B0];
+
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Wavelength:\t%d nm\n",
+			 wavelength);
+	trasn_code_byte7 = (struct sff_trasnceiver_codes_byte7 *)
+			&rdp_context->page_a0[SSF_TRANSCEIVER_CODE_B7];
+
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Speeds: \t");
+		if (*(uint8_t *)trasn_code_byte7 == 0) {
+			len += scnprintf(buf + len, PAGE_SIZE - len,
+					 "Unknown\n");
+		} else {
+			if (trasn_code_byte7->fc_sp_100MB)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "1 ");
+			if (trasn_code_byte7->fc_sp_200mb)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "2 ");
+			if (trasn_code_byte7->fc_sp_400MB)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "4 ");
+			if (trasn_code_byte7->fc_sp_800MB)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "8 ");
+			if (trasn_code_byte7->fc_sp_1600MB)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "16 ");
+			if (trasn_code_byte7->fc_sp_3200MB)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "32 ");
+			if (trasn_code_byte7->speed_chk_ecc)
+				len += scnprintf(buf + len, PAGE_SIZE - len,
+						 "64 ");
+			len += scnprintf(buf + len, PAGE_SIZE - len, "GB\n");
+		}
+	temperature = (rdp_context->page_a2[SFF_TEMPERATURE_B1] << 8 |
+		       rdp_context->page_a2[SFF_TEMPERATURE_B0]);
+	vcc = (rdp_context->page_a2[SFF_VCC_B1] << 8 |
+	       rdp_context->page_a2[SFF_VCC_B0]);
+	tx_power = (rdp_context->page_a2[SFF_TXPOWER_B1] << 8 |
+		    rdp_context->page_a2[SFF_TXPOWER_B0]);
+	tx_bias = (rdp_context->page_a2[SFF_TX_BIAS_CURRENT_B1] << 8 |
+		   rdp_context->page_a2[SFF_TX_BIAS_CURRENT_B0]);
+	rx_power = (rdp_context->page_a2[SFF_RXPOWER_B1] << 8 |
+		    rdp_context->page_a2[SFF_RXPOWER_B0]);
+
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			 "Temperature:\tx%04x C\n", temperature);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "Vcc:\t\tx%04x V\n", vcc);
+	len += scnprintf(buf + len, PAGE_SIZE - len,
+			 "TxBiasCurrent:\tx%04x mA\n", tx_bias);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "TxPower:\tx%04x mW\n",
+			 tx_power);
+	len += scnprintf(buf + len, PAGE_SIZE - len, "RxPower:\tx%04x mW\n",
+			 rx_power);
+out_free_rdp:
+	kfree(rdp_context);
+	return len;
+}
+
 /**
  * lpfc_board_mode_show - Return the state of the board
  * @dev: class device that is converted into a Scsi_host.
@@ -2810,6 +2926,7 @@ static DEVICE_ATTR_RO(lpfc_drvr_version);
 static DEVICE_ATTR_RO(lpfc_enable_fip);
 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
 		   lpfc_board_mode_show, lpfc_board_mode_store);
+static DEVICE_ATTR_RO(lpfc_xcvr_data);
 static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
 static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
 static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
@@ -5906,6 +6023,7 @@ static struct attribute *lpfc_hba_attrs[] = {
 	&dev_attr_lpfc_fcp_wait_abts_rsp.attr,
 	&dev_attr_nport_evt_cnt.attr,
 	&dev_attr_board_mode.attr,
+	&dev_attr_lpfc_xcvr_data.attr,
 	&dev_attr_max_vpi.attr,
 	&dev_attr_used_vpi.attr,
 	&dev_attr_max_rpi.attr,

drivers/scsi/lpfc/lpfc_crtn.h

@@ -687,3 +687,6 @@ int lpfc_issue_els_qfpa(struct lpfc_vport *vport);
 
 void lpfc_sli_rpi_release(struct lpfc_vport *vport,
 			  struct lpfc_nodelist *ndlp);
+
+int lpfc_get_sfp_info_wait(struct lpfc_hba *phba,
+			   struct lpfc_rdp_context *rdp_context);