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>

1 files changed, 18 insertions, 18 deletions

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 2df11daad85b..7862c5540861 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -258,7 +258,7 @@ static void
 lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba,
 		struct lpfc_vport  *vport,
 		struct lpfc_nodelist *ndlp,
-		uint32_t lun,
+		uint64_t lun,
 		uint32_t old_val,
 		uint32_t new_val)
 {
@@ -3823,7 +3823,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 		if (rsplen != 0 && rsplen != 4 && rsplen != 8) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
 				 "2719 Invalid response length: "
-				 "tgt x%x lun x%x cmnd x%x rsplen x%x\n",
+				 "tgt x%x lun x%llx cmnd x%x rsplen x%x\n",
 				 cmnd->device->id,
 				 cmnd->device->lun, cmnd->cmnd[0],
 				 rsplen);
@@ -3834,7 +3834,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
 				 "2757 Protocol failure detected during "
 				 "processing of FCP I/O op: "
-				 "tgt x%x lun x%x cmnd x%x rspInfo3 x%x\n",
+				 "tgt x%x lun x%llx cmnd x%x rspInfo3 x%x\n",
 				 cmnd->device->id,
 				 cmnd->device->lun, cmnd->cmnd[0],
 				 fcprsp->rspInfo3);
@@ -4045,7 +4045,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 		else
 			logit = LOG_FCP | LOG_FCP_UNDER;
 		lpfc_printf_vlog(vport, KERN_WARNING, logit,
-			 "9030 FCP cmd x%x failed <%d/%d> "
+			 "9030 FCP cmd x%x failed <%d/%lld> "
 			 "status: x%x result: x%x "
 			 "sid: x%x did: x%x oxid: x%x "
 			 "Data: x%x x%x\n",
@@ -4157,7 +4157,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 		uint32_t *lp = (uint32_t *)cmd->sense_buffer;
 
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
-				 "0710 Iodone <%d/%d> cmd %p, error "
+				 "0710 Iodone <%d/%llu> cmd %p, error "
 				 "x%x SNS x%x x%x Data: x%x x%x\n",
 				 cmd->device->id, cmd->device->lun, cmd,
 				 cmd->result, *lp, *(lp + 3), cmd->retries,
@@ -4390,7 +4390,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 static int
 lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
 			     struct lpfc_scsi_buf *lpfc_cmd,
-			     unsigned int lun,
+			     uint64_t lun,
 			     uint8_t task_mgmt_cmd)
 {
 	struct lpfc_iocbq *piocbq;
@@ -4719,12 +4719,12 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
 		atomic_dec(&ndlp->cmd_pending);
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
 				 "3376 FCP could not issue IOCB err %x"
-				 "FCP cmd x%x <%d/%d> "
+				 "FCP cmd x%x <%d/%llu> "
 				 "sid: x%x did: x%x oxid: x%x "
 				 "Data: x%x x%x x%x x%x\n",
 				 err, cmnd->cmnd[0],
 				 cmnd->device ? cmnd->device->id : 0xffff,
-				 cmnd->device ? cmnd->device->lun : 0xffff,
+				 cmnd->device ? cmnd->device->lun : (u64) -1,
 				 vport->fc_myDID, ndlp->nlp_DID,
 				 phba->sli_rev == LPFC_SLI_REV4 ?
 				 lpfc_cmd->cur_iocbq.sli4_xritag : 0xffff,
@@ -4807,7 +4807,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 		spin_unlock_irqrestore(&phba->hbalock, flags);
 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 			 "2873 SCSI Layer I/O Abort Request IO CMPL Status "
-			 "x%x ID %d LUN %d\n",
+			 "x%x ID %d LUN %llu\n",
 			 SUCCESS, cmnd->device->id, cmnd->device->lun);
 		return SUCCESS;
 	}
@@ -4924,7 +4924,7 @@ wait_for_cmpl:
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
 				 "0748 abort handler timed out waiting "
 				 "for abortng I/O (xri:x%x) to complete: "
-				 "ret %#x, ID %d, LUN %d\n",
+				 "ret %#x, ID %d, LUN %llu\n",
 				 iocb->sli4_xritag, ret,
 				 cmnd->device->id, cmnd->device->lun);
 	}
@@ -4935,7 +4935,7 @@ out_unlock:
 out:
 	lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 			 "0749 SCSI Layer I/O Abort Request Status x%x ID %d "
-			 "LUN %d\n", ret, cmnd->device->id,
+			 "LUN %llu\n", ret, cmnd->device->id,
 			 cmnd->device->lun);
 	return ret;
 }
@@ -5047,7 +5047,7 @@ lpfc_check_fcp_rsp(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd)
  **/
 static int
 lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
-		    unsigned  tgt_id, unsigned int lun_id,
+		    unsigned  tgt_id, uint64_t lun_id,
 		    uint8_t task_mgmt_cmd)
 {
 	struct lpfc_hba   *phba = vport->phba;
@@ -5083,7 +5083,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
 	iocbq->iocb_cmpl = lpfc_tskmgmt_def_cmpl;
 
 	lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
-			 "0702 Issue %s to TGT %d LUN %d "
+			 "0702 Issue %s to TGT %d LUN %llu "
 			 "rpi x%x nlp_flag x%x Data: x%x x%x\n",
 			 lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id,
 			 pnode->nlp_rpi, pnode->nlp_flag, iocbq->sli4_xritag,
@@ -5094,7 +5094,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
 	if ((status != IOCB_SUCCESS) ||
 	    (iocbqrsp->iocb.ulpStatus != IOSTAT_SUCCESS)) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
-			 "0727 TMF %s to TGT %d LUN %d failed (%d, %d) "
+			 "0727 TMF %s to TGT %d LUN %llu failed (%d, %d) "
 			 "iocb_flag x%x\n",
 			 lpfc_taskmgmt_name(task_mgmt_cmd),
 			 tgt_id, lun_id, iocbqrsp->iocb.ulpStatus,
@@ -5238,7 +5238,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
 	struct lpfc_rport_data *rdata;
 	struct lpfc_nodelist *pnode;
 	unsigned tgt_id = cmnd->device->id;
-	unsigned int lun_id = cmnd->device->lun;
+	uint64_t lun_id = cmnd->device->lun;
 	struct lpfc_scsi_event_header scsi_event;
 	int status;
 
@@ -5273,7 +5273,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
 						FCP_LUN_RESET);
 
 	lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
-			 "0713 SCSI layer issued Device Reset (%d, %d) "
+			 "0713 SCSI layer issued Device Reset (%d, %llu) "
 			 "return x%x\n", tgt_id, lun_id, status);
 
 	/*
@@ -5308,7 +5308,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
 	struct lpfc_rport_data *rdata;
 	struct lpfc_nodelist *pnode;
 	unsigned tgt_id = cmnd->device->id;
-	unsigned int lun_id = cmnd->device->lun;
+	uint64_t lun_id = cmnd->device->lun;
 	struct lpfc_scsi_event_header scsi_event;
 	int status;
 
@@ -5343,7 +5343,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
 					FCP_TARGET_RESET);
 
 	lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
-			 "0723 SCSI layer issued Target Reset (%d, %d) "
+			 "0723 SCSI layer issued Target Reset (%d, %llu) "
 			 "return x%x\n", tgt_id, lun_id, status);
 
 	/*