sbp2: Merge TYPE_RBC and 10byte removal patch from scsi maintainers.

Added more cleanups to remove unused code.
Signed-off-by: Ben Collins <bcollins@debian.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>

drivers/ieee1394/sbp2.c

@@ -1088,16 +1088,6 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_
  * SBP-2 protocol related section
  **************************************/
 
-/*
- * This function determines if we should convert scsi commands for a particular sbp2 device type
- */
-static __inline__ int sbp2_command_conversion_device_type(u8 device_type)
-{
-	return (((device_type == TYPE_DISK) ||
-		 (device_type == TYPE_RBC) ||
-		 (device_type == TYPE_ROM)) ? 1:0);
-}
-
 /*
  * This function queries the device for the maximum concurrent logins it
  * supports.
@@ -2106,11 +2096,6 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id,
 	sbp2_create_command_orb(scsi_id, command, cmd, SCpnt->use_sg,
 				request_bufflen, SCpnt->request_buffer,
 				SCpnt->sc_data_direction);
-	/*
-	 * Update our cdb if necessary (to handle sbp2 RBC command set
-	 * differences). This is where the command set hacks go!   =)
-	 */
-	sbp2_check_sbp2_command(scsi_id, command->command_orb.cdb);
 
 	sbp2util_packet_dump(&command->command_orb, sizeof(struct sbp2_command_orb),
 			     "sbp2 command orb", command->command_orb_dma);
@@ -2129,110 +2114,6 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id,
 }
 
 
-/*
- * This function deals with command set differences between Linux scsi
- * command set and sbp2 RBC command set.
- */
-static void sbp2_check_sbp2_command(struct scsi_id_instance_data *scsi_id, unchar *cmd)
-{
-	unchar new_cmd[16];
-	u8 device_type = SBP2_DEVICE_TYPE (scsi_id->sbp2_device_type_and_lun);
-
-	SBP2_DEBUG("sbp2_check_sbp2_command");
-
-	switch (*cmd) {
-
-		case READ_6:
-
-			if (sbp2_command_conversion_device_type(device_type)) {
-
-				SBP2_DEBUG("Convert READ_6 to READ_10");
-
-				/*
-				 * Need to turn read_6 into read_10
-				 */
-				new_cmd[0] = 0x28;
-				new_cmd[1] = (cmd[1] & 0xe0);
-				new_cmd[2] = 0x0;
-				new_cmd[3] = (cmd[1] & 0x1f);
-				new_cmd[4] = cmd[2];
-				new_cmd[5] = cmd[3];
-				new_cmd[6] = 0x0;
-				new_cmd[7] = 0x0;
-				new_cmd[8] = cmd[4];
-				new_cmd[9] = cmd[5];
-
-				memcpy(cmd, new_cmd, 10);
-
-			}
-
-			break;
-
-		case WRITE_6:
-
-			if (sbp2_command_conversion_device_type(device_type)) {
-
-				SBP2_DEBUG("Convert WRITE_6 to WRITE_10");
-
-				/*
-				 * Need to turn write_6 into write_10
-				 */
-				new_cmd[0] = 0x2a;
-				new_cmd[1] = (cmd[1] & 0xe0);
-				new_cmd[2] = 0x0;
-				new_cmd[3] = (cmd[1] & 0x1f);
-				new_cmd[4] = cmd[2];
-				new_cmd[5] = cmd[3];
-				new_cmd[6] = 0x0;
-				new_cmd[7] = 0x0;
-				new_cmd[8] = cmd[4];
-				new_cmd[9] = cmd[5];
-
-				memcpy(cmd, new_cmd, 10);
-
-			}
-
-			break;
-
-		case MODE_SENSE:
-
-			if (sbp2_command_conversion_device_type(device_type)) {
-
-				SBP2_DEBUG("Convert MODE_SENSE_6 to MODE_SENSE_10");
-
-				/*
-				 * Need to turn mode_sense_6 into mode_sense_10
-				 */
-				new_cmd[0] = 0x5a;
-				new_cmd[1] = cmd[1];
-				new_cmd[2] = cmd[2];
-				new_cmd[3] = 0x0;
-				new_cmd[4] = 0x0;
-				new_cmd[5] = 0x0;
-				new_cmd[6] = 0x0;
-				new_cmd[7] = 0x0;
-				new_cmd[8] = cmd[4];
-				new_cmd[9] = cmd[5];
-
-				memcpy(cmd, new_cmd, 10);
-
-			}
-
-			break;
-
-		case MODE_SELECT:
-
-			/*
-			 * TODO. Probably need to change mode select to 10 byte version
-			 */
-
-		default:
-			break;
-	}
-
-	return;
-}
-
 /*
  * Translates SBP-2 status into SCSI sense data for check conditions
  */
@@ -2271,7 +2152,6 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id,
 				     struct scsi_cmnd *SCpnt)
 {
 	u8 *scsi_buf = SCpnt->request_buffer;
-	u8 device_type = SBP2_DEVICE_TYPE (scsi_id->sbp2_device_type_and_lun);
 
 	SBP2_DEBUG("sbp2_check_sbp2_response");
 
@@ -2295,14 +2175,6 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id,
 				scsi_buf[4] = 36 - 5;
 			}
 
-			/*
-			 * Check for Simple Direct Access Device and change it to TYPE_DISK
-			 */
-			if ((scsi_buf[0] & 0x1f) == TYPE_RBC) {
-				SBP2_DEBUG("Changing TYPE_RBC to TYPE_DISK");
-				scsi_buf[0] &= 0xe0;
-			}
-
 			/*
 			 * Fix ansi revision and response data format
 			 */
@@ -2311,27 +2183,6 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id,
 
 			break;
 
-		case MODE_SENSE:
-
-			if (sbp2_command_conversion_device_type(device_type)) {
-
-				SBP2_DEBUG("Modify mode sense response (10 byte version)");
-
-				scsi_buf[0] = scsi_buf[1];	/* Mode data length */
-				scsi_buf[1] = scsi_buf[2];	/* Medium type */
-				scsi_buf[2] = scsi_buf[3];	/* Device specific parameter */
-				scsi_buf[3] = scsi_buf[7];	/* Block descriptor length */
-				memcpy(scsi_buf + 4, scsi_buf + 8, scsi_buf[0]);
-			}
-
-			break;
-
-		case MODE_SELECT:
-
-			/*
-			 * TODO. Probably need to change mode select to 10 byte version
-			 */
-
 		default:
 			break;
 	}
@@ -2713,6 +2564,8 @@ static int sbp2scsi_slave_alloc(struct scsi_device *sdev)
 static int sbp2scsi_slave_configure(struct scsi_device *sdev)
 {
 	blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
+	sdev->use_10_for_rw = 1;
+	sdev->use_10_for_ms = 1;
 	return 0;
 }
 

drivers/ieee1394/sbp2.h

@@ -469,7 +469,6 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id,
 			     struct scsi_cmnd *SCpnt,
 			     void (*done)(struct scsi_cmnd *));
 static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data);
-static void sbp2_check_sbp2_command(struct scsi_id_instance_data *scsi_id, unchar *cmd);
 static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id,
 				     struct scsi_cmnd *SCpnt);
 static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,