scsi: atp870u: Use standard definitions

Use standard definitions for SCSI commands and return status instead of the
hardcoded values.

Link: https://lore.kernel.org/r/20210113090500.129644-25-hare@suse.deReviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/atp870u.c

@@ -379,28 +379,28 @@ static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
 			if (is885(dev)) {
 				i = atp_readb_pci(dev, c, 1) & 0xf3;
 				//j=workreq->cmnd[0];
-				if ((workreq->cmnd[0] == 0x08) ||
-				    (workreq->cmnd[0] == 0x28) ||
-				    (workreq->cmnd[0] == 0x0a) ||
-				    (workreq->cmnd[0] == 0x2a)) {
+				if ((workreq->cmnd[0] == READ_6) ||
+				    (workreq->cmnd[0] == READ_10) ||
+				    (workreq->cmnd[0] == WRITE_6) ||
+				    (workreq->cmnd[0] == WRITE_10)) {
 				   i |= 0x0c;
 				}
 				atp_writeb_pci(dev, c, 1, i);
 			} else if (is880(dev)) {
-				if ((workreq->cmnd[0] == 0x08) ||
-				    (workreq->cmnd[0] == 0x28) ||
-				    (workreq->cmnd[0] == 0x0a) ||
-				    (workreq->cmnd[0] == 0x2a))
+				if ((workreq->cmnd[0] == READ_6) ||
+				    (workreq->cmnd[0] == READ_10) ||
+				    (workreq->cmnd[0] == WRITE_6) ||
+				    (workreq->cmnd[0] == WRITE_10))
 					atp_writeb_base(dev, 0x3b,
 							(atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
 				else
 					atp_writeb_base(dev, 0x3b,
 							atp_readb_base(dev, 0x3b) & 0x3f);
 			} else {
-				if ((workreq->cmnd[0] == 0x08) ||
-				    (workreq->cmnd[0] == 0x28) ||
-				    (workreq->cmnd[0] == 0x0a) ||
-				    (workreq->cmnd[0] == 0x2a))
+				if ((workreq->cmnd[0] == READ_6) ||
+				    (workreq->cmnd[0] == READ_10) ||
+				    (workreq->cmnd[0] == WRITE_6) ||
+				    (workreq->cmnd[0] == WRITE_10))
 					atp_writeb_base(dev, 0x3a,
 							(atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
 				else
@@ -497,10 +497,10 @@ static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
 				workreq->result = atp_readb_io(dev, c, 0x0f);
 				if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) {
 					printk(KERN_WARNING "AEC67162 CRC ERROR !\n");
-					workreq->result = 0x02;
+					workreq->result = SAM_STAT_CHECK_CONDITION;
 				}
 			} else
-				workreq->result = 0x02;
+				workreq->result = SAM_STAT_CHECK_CONDITION;
 
 			if (is885(dev)) {
 				j = atp_readb_base(dev, 0x29) | 0x01;
@@ -630,7 +630,7 @@ static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p,
 	req_p->sense_buffer[0]=0;
 	scsi_set_resid(req_p, 0);
 	if (scmd_channel(req_p) > 1) {
-		req_p->result = 0x00040000;
+		req_p->result = DID_BAD_TARGET << 16;
 		done(req_p);
 #ifdef ED_DBGP
 		printk("atp870u_queuecommand : req_p->device->channel > 1\n");
@@ -649,7 +649,7 @@ static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p,
 	 */
 
 	if ((m & dev->active_id[c]) == 0) {
-		req_p->result = 0x00040000;
+		req_p->result = DID_BAD_TARGET << 16;
 		done(req_p);
 		return 0;
 	}
@@ -684,7 +684,7 @@ static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p,
 		printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n");
 #endif
 		dev->quend[c]--;
-		req_p->result = 0x00020000;
+		req_p->result = DID_BUS_BUSY << 16;
 		done(req_p);
 		return 0;
 	}
@@ -800,7 +800,7 @@ static void send_s870(struct atp_unit *dev,unsigned char c)
 		if (l > 8)
 			l = 8;
 	}
-	if (workreq->cmnd[0] == 0x00) {
+	if (workreq->cmnd[0] == TEST_UNIT_READY) {
 		l = 0;
 	}
 
@@ -934,22 +934,28 @@ static void send_s870(struct atp_unit *dev,unsigned char c)
 	atp_writeb_pci(dev, c, 2, 0x00);
 	if (is885(dev)) {
 		j = atp_readb_pci(dev, c, 1) & 0xf3;
-		if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) ||
-		    (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) {
+		if ((workreq->cmnd[0] == READ_6) ||
+		    (workreq->cmnd[0] == READ_10) ||
+		    (workreq->cmnd[0] == WRITE_6) ||
+		    (workreq->cmnd[0] == WRITE_10)) {
 			j |= 0x0c;
 		}
 		atp_writeb_pci(dev, c, 1, j);
 	} else if (is880(dev)) {
-		if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) ||
-		    (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a))
+		if ((workreq->cmnd[0] == READ_6) ||
+		    (workreq->cmnd[0] == READ_10) ||
+		    (workreq->cmnd[0] == WRITE_6) ||
+		    (workreq->cmnd[0] == WRITE_10))
 			atp_writeb_base(dev, 0x3b,
 					(atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
 		else
 			atp_writeb_base(dev, 0x3b,
 					atp_readb_base(dev, 0x3b) & 0x3f);
 	} else {
-		if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) ||
-		    (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a))
+		if ((workreq->cmnd[0] == READ_6) ||
+		    (workreq->cmnd[0] == READ_10) ||
+		    (workreq->cmnd[0] == WRITE_6) ||
+		    (workreq->cmnd[0] == WRITE_10))
 			atp_writeb_base(dev, 0x3a,
 					(atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
 		else