/**
* @brief This method performs all of the translation required for a
* SCSI VERIFY 16 byte CDB.
* This includes:
* - logical block address translation
* - transfer length (sector count) translation
* - translation items common to all VERIFY CDB sizes.
* For more information on the parameters passed to this method,
* please reference sati_translate_command().
*
* @return Indicate if the command translation was successful.
* For more information on return values please reference
* sati_move_set_sector_count(), sati_verify_translate_command()
*/
SATI_STATUS sati_verify_16_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
SATI_STATUS status;
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
U32 sector_count = (sati_get_cdb_byte(cdb, 10) << 24) |
(sati_get_cdb_byte(cdb, 11) << 16) |
(sati_get_cdb_byte(cdb, 12) << 8) |
(sati_get_cdb_byte(cdb, 13));
if(sati_device_state_stopped(sequence, scsi_io))
{
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
else
{
sequence->type = SATI_SEQUENCE_VERIFY_16;
// Fill in the Logical Block Address field.
status = sati_move_translate_64_bit_lba(sequence, scsi_io, ata_io);
if (status != SATI_SUCCESS)
return status;
// Fill in the Sector Count fields.
status = sati_move_set_sector_count(sequence,scsi_io,ata_io,sector_count,0);
if (status != SATI_SUCCESS)
return status;
return sati_verify_translate_command(sequence, scsi_io, ata_io);
}
}
/**
* @brief This method will translate the SCSI read 12 command into a
* corresponding ATA read command. Depending upon the capabilities
* supported by the target different ATA commands can be selected.
* It ensures that all translation required for this command is
* performed successfully.
* For more information on the parameters passed to this method,
* please reference sati_translate_command().
*
* @return Indicate if the command translation succeeded.
* @see sati_read_32_bit_lba_translate_command() for return values.
*/
SATI_STATUS sati_read_12_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
U32 sector_count = (sati_get_cdb_byte(cdb, 6) << 24) |
(sati_get_cdb_byte(cdb, 7) << 16) |
(sati_get_cdb_byte(cdb, 8) << 8) |
(sati_get_cdb_byte(cdb, 9));
if(sati_device_state_stopped(sequence, scsi_io))
{
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
else
{
sequence->type = SATI_SEQUENCE_READ_12;
return sati_read_32_bit_lba_translate_command(
sequence, scsi_io, ata_io, sector_count, 11
);
}
}
/**
* @brief This method will translate the SCSI read command into a
* corresponding ATA read 6 command. Depending upon the capabilities
* supported by the target different ATA commands can be selected.
* For more information on the parameters passed to this method,
* please reference sati_translate_command().
*
* @return Indicate if the command translation succeeded.
* @retval SCI_SUCCESS This is returned if the command translation was
* successful.
* @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if
* sense data has been created as a result of something specified
* in the CDB.
*/
SATI_STATUS sati_read_6_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
if(sati_device_state_stopped(sequence, scsi_io))
{
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
else
{
sequence->data_direction = SATI_DATA_DIRECTION_IN;
sequence->type = SATI_SEQUENCE_READ_6;
return sati_move_small_translate_command(sequence, scsi_io, ata_io);
}
}
/**
* @brief This method will translate the SCSI read 16 command into a
* corresponding ATA read command. Depending upon the capabilities
* supported by the target different ATA commands can be selected.
* It ensures that all translation required for this command is
* performed successfully.
* For more information on the parameters passed to this method,
* please reference sati_translate_command().
*
* @return Indicate if the command translation succeeded.
* @see sati_read_large_translate_command(), sati_move_translate_64_bit_lba()
* for additional return values.
*/
SATI_STATUS sati_read_16_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
SATI_STATUS status;
U8 device_head = 0;
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
U32 sector_count = (sati_get_cdb_byte(cdb, 10) << 24) |
(sati_get_cdb_byte(cdb, 11) << 16) |
(sati_get_cdb_byte(cdb, 12) << 8) |
(sati_get_cdb_byte(cdb, 13));
if(sati_device_state_stopped(sequence, scsi_io))
{
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
else
{
sequence->type = SATI_SEQUENCE_READ_16;
// Translate the sector count, write command register, and check various
// other parts of the CDB.
status = sati_read_large_translate_command(
sequence, scsi_io, ata_io, sector_count, &device_head
);
// Attempt to translate the 64-bit LBA field from the SCSI request
// into the 48-bits of LBA in the ATA register FIS.
if (status == SATI_SUCCESS)
{
sati_move_translate_command(sequence, scsi_io, ata_io, device_head);
status = sati_move_translate_64_bit_lba(sequence, scsi_io, ata_io);
}
return status;
}
}