diff mbox series

[11/24] advansys: kill driver_defined status byte accessors

Message ID 20191031110452.73463-12-hare@suse.de (mailing list archive)
State Superseded
Headers show
Series Revamp SCSI result values | expand

Commit Message

Hannes Reinecke Oct. 31, 2019, 11:04 a.m. UTC
Replace the driver-defined status byte accessors by the
mid-layer defined ones.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/scsi/advansys.c | 78 +++++++++++++------------------------------------
 1 file changed, 20 insertions(+), 58 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index a242a62caaa1..5268b4b92e43 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -2085,12 +2085,6 @@  do { \
 #define ASC_BUSY        0
 #define ASC_ERROR       (-1)
 
-/* struct scsi_cmnd function return codes */
-#define STATUS_BYTE(byte)   (byte)
-#define MSG_BYTE(byte)      ((byte) << 8)
-#define HOST_BYTE(byte)     ((byte) << 16)
-#define DRIVER_BYTE(byte)   ((byte) << 24)
-
 #define ASC_STATS(shost, counter) ASC_STATS_ADD(shost, counter, 1)
 #ifndef ADVANSYS_STATS
 #define ASC_STATS_ADD(shost, counter, count)
@@ -6021,43 +6015,28 @@  static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
 				ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
 				ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
 						  SCSI_SENSE_BUFFERSIZE);
-				/*
-				 * Note: The 'status_byte()' macro used by
-				 * target drivers defined in scsi.h shifts the
-				 * status byte returned by host drivers right
-				 * by 1 bit.  This is why target drivers also
-				 * use right shifted status byte definitions.
-				 * For instance target drivers use
-				 * CHECK_CONDITION, defined to 0x1, instead of
-				 * the SCSI defined check condition value of
-				 * 0x2. Host drivers are supposed to return
-				 * the status byte as it is defined by SCSI.
-				 */
-				scp->result = DRIVER_BYTE(DRIVER_SENSE) |
-				    STATUS_BYTE(scsiqp->scsi_status);
-			} else {
-				scp->result = STATUS_BYTE(scsiqp->scsi_status);
 			}
+			scp->result = status_byte(scsiqp->scsi_status);
 			break;
 
 		default:
 			/* Some other QHSTA error occurred. */
 			ASC_DBG(1, "host_status 0x%x\n", scsiqp->host_status);
-			scp->result = HOST_BYTE(DID_BAD_TARGET);
+			scp->result = host_byte(DID_BAD_TARGET);
 			break;
 		}
 		break;
 
 	case QD_ABORTED_BY_HOST:
 		ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
-		scp->result =
-		    HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status);
+		scp->result = host_byte(DID_ABORT);
+		set_status_byte(scp, scsiqp->scsi_status);
 		break;
 
 	default:
 		ASC_DBG(1, "done_status 0x%x\n", scsiqp->done_status);
-		scp->result =
-		    HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status);
+		scp->result = host_byte(DID_ERROR);
+		set_status_byte(scp, scsiqp->scsi_status);
 		break;
 	}
 
@@ -6789,47 +6768,30 @@  static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
 				ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
 				ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
 						  SCSI_SENSE_BUFFERSIZE);
-				/*
-				 * Note: The 'status_byte()' macro used by
-				 * target drivers defined in scsi.h shifts the
-				 * status byte returned by host drivers right
-				 * by 1 bit.  This is why target drivers also
-				 * use right shifted status byte definitions.
-				 * For instance target drivers use
-				 * CHECK_CONDITION, defined to 0x1, instead of
-				 * the SCSI defined check condition value of
-				 * 0x2. Host drivers are supposed to return
-				 * the status byte as it is defined by SCSI.
-				 */
-				scp->result = DRIVER_BYTE(DRIVER_SENSE) |
-				    STATUS_BYTE(qdonep->d3.scsi_stat);
-			} else {
-				scp->result = STATUS_BYTE(qdonep->d3.scsi_stat);
 			}
+			scp->result = status_byte(qdonep->d3.scsi_stat);
 			break;
 
 		default:
 			/* QHSTA error occurred */
 			ASC_DBG(1, "host_stat 0x%x\n", qdonep->d3.host_stat);
-			scp->result = HOST_BYTE(DID_BAD_TARGET);
+			scp->result = host_byte(DID_BAD_TARGET);
 			break;
 		}
 		break;
 
 	case QD_ABORTED_BY_HOST:
 		ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
-		scp->result =
-		    HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.
-						    scsi_msg) |
-		    STATUS_BYTE(qdonep->d3.scsi_stat);
+		scp->result = host_byte(DID_ABORT);
+		set_msg_byte(scp, qdonep->d3.scsi_msg);
+		set_status_byte(scp, qdonep->d3.scsi_stat);
 		break;
 
 	default:
 		ASC_DBG(1, "done_stat 0x%x\n", qdonep->d3.done_stat);
-		scp->result =
-		    HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.
-						    scsi_msg) |
-		    STATUS_BYTE(qdonep->d3.scsi_stat);
+		scp->result = host_byte(DID_ERROR);
+		set_msg_byte(scp, qdonep->d3.scsi_msg);
+		set_status_byte(scp, qdonep->d3.scsi_stat);
 		break;
 	}
 
@@ -7568,7 +7530,7 @@  static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 				"sg_tablesize %d\n", use_sg,
 				scp->device->host->sg_tablesize);
 			scsi_dma_unmap(scp);
-			scp->result = HOST_BYTE(DID_ERROR);
+			scp->result = host_byte(DID_ERROR);
 			return ASC_ERROR;
 		}
 
@@ -7576,7 +7538,7 @@  static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 			use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC);
 		if (!asc_sg_head) {
 			scsi_dma_unmap(scp);
-			scp->result = HOST_BYTE(DID_SOFT_ERROR);
+			scp->result = host_byte(DID_SOFT_ERROR);
 			return ASC_ERROR;
 		}
 
@@ -7819,7 +7781,7 @@  adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 				   "ADV_MAX_SG_LIST %d\n", use_sg,
 				   scp->device->host->sg_tablesize);
 			scsi_dma_unmap(scp);
-			scp->result = HOST_BYTE(DID_ERROR);
+			scp->result = host_byte(DID_ERROR);
 			reqp->cmndp = NULL;
 			scp->host_scribble = NULL;
 
@@ -7831,7 +7793,7 @@  adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 		ret = adv_get_sglist(boardp, reqp, scsiqp, scp, use_sg);
 		if (ret != ADV_SUCCESS) {
 			scsi_dma_unmap(scp);
-			scp->result = HOST_BYTE(DID_ERROR);
+			scp->result = host_byte(DID_ERROR);
 			reqp->cmndp = NULL;
 			scp->host_scribble = NULL;
 
@@ -8528,13 +8490,13 @@  static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
 		scmd_printk(KERN_ERR, scp, "ExeScsiQueue() ASC_ERROR, "
 			"err_code 0x%x\n", err_code);
 		ASC_STATS(scp->device->host, exe_error);
-		scp->result = HOST_BYTE(DID_ERROR);
+		scp->result = host_byte(DID_ERROR);
 		break;
 	default:
 		scmd_printk(KERN_ERR, scp, "ExeScsiQueue() unknown, "
 			"err_code 0x%x\n", err_code);
 		ASC_STATS(scp->device->host, exe_unknown);
-		scp->result = HOST_BYTE(DID_ERROR);
+		scp->result = host_byte(DID_ERROR);
 		break;
 	}