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

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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>
This commit is contained in:
Ben Collins 2005-11-07 06:31:24 -05:00 committed by Jody McIntyre
parent 7945619794
commit 365c786f0b
2 changed files with 2 additions and 150 deletions
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151
drivers/ieee1394/sbp2.c
View file

@ -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;
}

1
drivers/ieee1394/sbp2.h
View file

@ -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,