void usb_stor_transparent_scsi_command(struct scsi_cmnd *srb,
struct us_data *us)
{
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
if (srb->result == SAM_STAT_GOOD) {
/* Fix the READ CAPACITY result if necessary */
if (us->flags & US_FL_FIX_CAPACITY)
fix_read_capacity(srb);
}
}
void usb_stor_qic157_command(struct scsi_cmnd *srb, struct us_data *us)
{
/*
* Pad the SCSI command with zeros out to 12 bytes. If the
* command already is 12 bytes or longer, leave it alone.
*
* NOTE: This only works because a scsi_cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
*/
for (; srb->cmd_len<12; srb->cmd_len++)
srb->cmnd[srb->cmd_len] = 0;
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
}
void usb_stor_qic157_command(struct scsi_cmnd *srb, struct us_data *us)
{
/* Pad the ATAPI command with zeros
*
* NOTE: This only works because a scsi_cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
*/
for (; srb->cmd_len<12; srb->cmd_len++)
srb->cmnd[srb->cmd_len] = 0;
/* set command length to 12 bytes */
srb->cmd_len = 12;
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
}
void usb_stor_ufi_command(Scsi_Cmnd *srb, struct us_data *us)
{
/* fix some commands -- this is a form of mode translation
* UFI devices only accept 12 byte long commands
*
* NOTE: This only works because a Scsi_Cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
*/
/* Pad the ATAPI command with zeros */
for (; srb->cmd_len<12; srb->cmd_len++)
srb->cmnd[srb->cmd_len] = 0;
/* set command length to 12 bytes (this affects the transport layer) */
srb->cmd_len = 12;
/* XXX We should be constantly re-evaluating the need for these */
/* determine the correct data length for these commands */
switch (srb->cmnd[0]) {
/* for INQUIRY, UFI devices only ever return 36 bytes */
case INQUIRY:
srb->cmnd[4] = 36;
break;
/* again, for MODE_SENSE_10, we get the minimum (8) */
case MODE_SENSE_10:
srb->cmnd[7] = 0;
srb->cmnd[8] = 8;
break;
/* for REQUEST_SENSE, UFI devices only ever return 18 bytes */
case REQUEST_SENSE:
srb->cmnd[4] = 18;
break;
} /* end switch on cmnd[0] */
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
if (srb->result == SAM_STAT_GOOD) {
/* Fix the data for an INQUIRY, if necessary */
fix_inquiry_data(srb);
}
}
void usb_stor_qic157_command(Scsi_Cmnd *srb, struct us_data *us)
{
/* Pad the ATAPI command with zeros
*
* NOTE: This only works because a Scsi_Cmnd struct field contains
* a unsigned char cmnd[16], so we know we have storage available
*/
for (; srb->cmd_len<12; srb->cmd_len++)
srb->cmnd[srb->cmd_len] = 0;
/* set command length to 12 bytes */
srb->cmd_len = 12;
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
if (srb->result == SAM_STAT_GOOD) {
/* fix the INQUIRY data if necessary */
fix_inquiry_data(srb);
}
}
void usb_stor_transparent_scsi_command(struct scsi_cmnd *srb,
struct us_data *us)
{
/* send the command to the transport layer */
usb_stor_invoke_transport(srb, us);
}
