scsi: use 64-bit LUNs

The SCSI standard defines 64-bit values for LUNs, and large arrays
employing large or hierarchical LUN numbers become more and more
common.

So update the linux SCSI stack to use 64-bit LUN numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

5 files changed, 27 insertions, 27 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 5f58b451327e..2559144f5475 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -23,7 +23,7 @@ void qla4xxx_process_aen(struct scsi_qla_host *ha, uint8_t process_aen);
 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host *ha);
 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb);
 int qla4xxx_reset_lun(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry,
-		      int lun);
+		      uint64_t lun);
 int qla4xxx_reset_target(struct scsi_qla_host *ha,
 			 struct ddb_entry *ddb_entry);
 int qla4xxx_get_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
@@ -76,7 +76,7 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		uint32_t state, uint32_t conn_error);
 void qla4xxx_dump_buffer(void *b, uint32_t size);
 int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
-	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
+	struct ddb_entry *ddb_entry, uint64_t lun, uint16_t mrkr_mod);
 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
 		      uint32_t offset, uint32_t length, uint32_t options);
 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index e5697ab144d2..08ab6dac226d 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -83,7 +83,7 @@ static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha,
  * This routine issues a marker IOCB.
  **/
 int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
-	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod)
+	struct ddb_entry *ddb_entry, uint64_t lun, uint16_t mrkr_mod)
 {
 	struct qla4_marker_entry *marker_entry;
 	unsigned long flags = 0;
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 081b6b78d2c6..4f9c0f2be89d 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -26,7 +26,7 @@ static void qla4xxx_copy_sense(struct scsi_qla_host *ha,
 	memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
 	sense_len = le16_to_cpu(sts_entry->senseDataByteCnt);
 	if (sense_len == 0) {
-		DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d:%d: %s:"
+		DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d:%llu: %s:"
 				  " sense len 0\n", ha->host_no,
 				  cmd->device->channel, cmd->device->id,
 				  cmd->device->lun, __func__));
@@ -43,7 +43,7 @@ static void qla4xxx_copy_sense(struct scsi_qla_host *ha,
 	sense_len = min_t(uint16_t, sense_len, IOCB_MAX_SENSEDATA_LEN);
 	memcpy(cmd->sense_buffer, sts_entry->senseData, sense_len);
 
-	DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: %s: sense key = %x, "
+	DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%llu: %s: sense key = %x, "
 		"ASL= %02x, ASC/ASCQ = %02x/%02x\n", ha->host_no,
 		cmd->device->channel, cmd->device->id,
 		cmd->device->lun, __func__,
@@ -169,7 +169,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 
 				cmd->result = DID_ERROR << 16;
 
-				DEBUG2(printk("scsi%ld:%d:%d:%d: %s: "
+				DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: "
 					"Mid-layer Data underrun0, "
 					"xferlen = 0x%x, "
 					"residual = 0x%x\n", ha->host_no,
@@ -197,7 +197,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 		break;
 
 	case SCS_RESET_OCCURRED:
-		DEBUG2(printk("scsi%ld:%d:%d:%d: %s: Device RESET occurred\n",
+		DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: Device RESET occurred\n",
 			      ha->host_no, cmd->device->channel,
 			      cmd->device->id, cmd->device->lun, __func__));
 
@@ -205,7 +205,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 		break;
 
 	case SCS_ABORTED:
-		DEBUG2(printk("scsi%ld:%d:%d:%d: %s: Abort occurred\n",
+		DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: Abort occurred\n",
 			      ha->host_no, cmd->device->channel,
 			      cmd->device->id, cmd->device->lun, __func__));
 
@@ -213,7 +213,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 		break;
 
 	case SCS_TIMEOUT:
-		DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: Timeout\n",
+		DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%llu: Timeout\n",
 			      ha->host_no, cmd->device->channel,
 			      cmd->device->id, cmd->device->lun));
 
@@ -232,7 +232,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 	case SCS_DATA_OVERRUN:
 		if ((sts_entry->iscsiFlags & ISCSI_FLAG_RESIDUAL_OVER) ||
 		     (sts_entry->completionStatus == SCS_DATA_OVERRUN)) {
-			DEBUG2(printk("scsi%ld:%d:%d:%d: %s: " "Data overrun\n",
+			DEBUG2(printk("scsi%ld:%d:%d:%llu: %s: " "Data overrun\n",
 				      ha->host_no,
 				      cmd->device->channel, cmd->device->id,
 				      cmd->device->lun, __func__));
@@ -259,7 +259,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 			if (!scsi_status && (scsi_bufflen(cmd) - residual) <
 			    cmd->underflow) {
 				DEBUG2(ql4_printk(KERN_INFO, ha,
-						  "scsi%ld:%d:%d:%d: %s: Mid-layer Data underrun, xferlen = 0x%x,residual = 0x%x\n",
+						  "scsi%ld:%d:%d:%llu: %s: Mid-layer Data underrun, xferlen = 0x%x,residual = 0x%x\n",
 						   ha->host_no,
 						   cmd->device->channel,
 						   cmd->device->id,
@@ -291,7 +291,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 			 */
 
 			DEBUG2(ql4_printk(KERN_INFO, ha,
-					  "scsi%ld:%d:%d:%d: %s: Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
+					  "scsi%ld:%d:%d:%llu: %s: Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
 					  ha->host_no,
 					  cmd->device->channel,
 					  cmd->device->id,
@@ -313,7 +313,7 @@ check_scsi_status:
 
 	case SCS_DEVICE_LOGGED_OUT:
 	case SCS_DEVICE_UNAVAILABLE:
-		DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: SCS_DEVICE "
+		DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%llu: SCS_DEVICE "
 		    "state: 0x%x\n", ha->host_no,
 		    cmd->device->channel, cmd->device->id,
 		    cmd->device->lun, sts_entry->completionStatus));
@@ -333,7 +333,7 @@ check_scsi_status:
 		 * SCSI Mid-Layer handles device queue full
 		 */
 		cmd->result = DID_OK << 16 | sts_entry->scsiStatus;
-		DEBUG2(printk("scsi%ld:%d:%d: %s: QUEUE FULL detected "
+		DEBUG2(printk("scsi%ld:%d:%llu: %s: QUEUE FULL detected "
 			      "compl=%02x, scsi=%02x, state=%02x, iFlags=%02x,"
 			      " iResp=%02x\n", ha->host_no, cmd->device->id,
 			      cmd->device->lun, __func__,
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 0a3312c6dd6d..fdfae79924ac 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1205,7 +1205,7 @@ int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
 	if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
 		status = QLA_ERROR;
 
-		DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
+		DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%llu: abort task FAILED: "
 		    "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
 		    ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
 		    mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
@@ -1225,14 +1225,14 @@ int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
  * are valid before calling this routine.
  **/
 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
-		      int lun)
+		      uint64_t lun)
 {
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
 	uint32_t mbox_sts[MBOX_REG_COUNT];
 	uint32_t scsi_lun[2];
 	int status = QLA_SUCCESS;
 
-	DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
+	DEBUG2(printk("scsi%ld:%d:%llu: lun reset issued\n", ha->host_no,
 		      ddb_entry->fw_ddb_index, lun));
 
 	/*
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 320206376206..c5d9564d455c 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -9223,20 +9223,20 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
 {
 	struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
 	unsigned int id = cmd->device->id;
-	unsigned int lun = cmd->device->lun;
+	uint64_t lun = cmd->device->lun;
 	unsigned long flags;
 	struct srb *srb = NULL;
 	int ret = SUCCESS;
 	int wait = 0;
 
-	ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d: Abort command issued cmd=%p, cdb=0x%x\n",
+	ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n",
 		   ha->host_no, id, lun, cmd, cmd->cmnd[0]);
 
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 	srb = (struct srb *) CMD_SP(cmd);
 	if (!srb) {
 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
-		ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d: Specified command has already completed.\n",
+		ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n",
 			   ha->host_no, id, lun);
 		return SUCCESS;
 	}
@@ -9244,11 +9244,11 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
-		DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
+		DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n",
 		    ha->host_no, id, lun));
 		ret = FAILED;
 	} else {
-		DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
+		DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n",
 		    ha->host_no, id, lun));
 		wait = 1;
 	}
@@ -9258,14 +9258,14 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
 	/* Wait for command to complete */
 	if (wait) {
 		if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
-			DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
+			DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n",
 			    ha->host_no, id, lun));
 			ret = FAILED;
 		}
 	}
 
 	ql4_printk(KERN_INFO, ha,
-	    "scsi%ld:%d:%d: Abort command - %s\n",
+	    "scsi%ld:%d:%llu: Abort command - %s\n",
 	    ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
 
 	return ret;
@@ -9293,7 +9293,7 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
 	ret = FAILED;
 
 	ql4_printk(KERN_INFO, ha,
-		   "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no,
+		   "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no,
 		   cmd->device->channel, cmd->device->id, cmd->device->lun);
 
 	DEBUG2(printk(KERN_INFO
@@ -9323,7 +9323,7 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
 		goto eh_dev_reset_done;
 
 	ql4_printk(KERN_INFO, ha,
-		   "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
+		   "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n",
 		   ha->host_no, cmd->device->channel, cmd->device->id,
 		   cmd->device->lun);
 
@@ -9440,7 +9440,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	}
 
 	ql4_printk(KERN_INFO, ha,
-		   "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
+		   "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no,
 		   cmd->device->channel, cmd->device->id, cmd->device->lun);
 
 	if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {