/**
* @brief This method will translate the lun reset SCSI task request into an
* ATA SOFT RESET command. 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.
*
* @note It is up to the user of the sata translator to set the command bit
* and clear the control softreset bit and send the second register fis.
*/
SATI_STATUS sati_lun_reset_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
U8* register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_NOP);
sati_set_ata_control(register_fis, ATA_CONTROL_REG_SOFT_RESET_BIT);
//set all other fields to zero.
sati_clear_sata_command_flag(register_fis);
sati_set_ata_features(register_fis, 0);
sati_set_ata_features_exp(register_fis, 0);
sati_set_ata_sector_count(register_fis, 0);
sati_set_ata_sector_count_exp(register_fis, 0);
sati_set_ata_lba_low(register_fis, 0);
sati_set_ata_lba_mid(register_fis, 0);
sati_set_ata_lba_high(register_fis, 0);
sati_set_ata_lba_low_exp(register_fis, 0);
sati_set_ata_lba_mid_exp(register_fis, 0);
sati_set_ata_lba_high_exp(register_fis, 0);
sati_set_ata_device_head(register_fis, 0);
sequence->type = SATI_SEQUENCE_LUN_RESET;
sequence->data_direction = SATI_DATA_DIRECTION_NONE;
sequence->protocol = SAT_PROTOCOL_SOFT_RESET;
sequence->ata_transfer_length = 0;
return SATI_SUCCESS;
}
/**
* @brief This method will translate the SCSI Passthrough command
* into the corresponding ATA command.
*
* @return Indicate if the command translation succeeded.
* @retval SATI_SUCCESS This is returned if the command translation was
* successful.
* @retval SATI_FAILURE This is returned if the command translation was
* unsuccessful
*/
SATI_STATUS sati_passthrough_16_translate_command(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io
)
{
SATI_STATUS status;
U8 * cdb;
U8 * register_fis;
status = SATI_FAILURE;
sequence->type = SATI_SEQUENCE_ATA_PASSTHROUGH_16;
sequence->state = SATI_SEQUENCE_STATE_TRANSLATE_DATA;
cdb = sati_cb_get_cdb_address(scsi_io);
sequence->protocol = PASSTHROUGH_CDB_PROTOCOL(cdb);
register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
/*
* CAM will send passthrough commands with protocol set to multiword
* DMA even though no multiword DMA mode is selected on the device.
* This is because some controllers (LSI) will only accept
* ATA_PASSTHROUGH commands with DMA mode - not UDMA_IN/OUT.
*
* Since isci does not support multiword DMA, fix this up here.
*/
if (sequence->protocol == PASSTHROUGH_DMA)
{
if (PASSTHROUGH_CDB_T_DIR(cdb) == 0x1)
{
sequence->protocol = PASSTHROUGH_UDMA_DATA_IN;
}
else
{
sequence->protocol = PASSTHROUGH_UDMA_DATA_OUT;
}
}
if (sati_passthrough_check_direction(sequence, cdb) != SATI_COMPLETE
|| sati_passthrough_multiple_count_error(cdb)
)
{
// Fail due to mismatch
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_ILLEGAL_REQUEST,
SCSI_ASC_INVALID_FIELD_IN_CDB,
SCSI_ASCQ_INVALID_FIELD_IN_CDB
);
return SATI_FAILURE_CHECK_RESPONSE_DATA;
}
if (PASSTHROUGH_CDB_EXTEND(cdb) == 1)
{
sati_set_ata_features_exp(register_fis, sati_get_cdb_byte(cdb, 3));
sati_set_ata_sector_count_exp(register_fis, sati_get_cdb_byte(cdb, 5));
sati_set_ata_lba_low_exp(register_fis, sati_get_cdb_byte(cdb, 7));
sati_set_ata_lba_mid_exp(register_fis, sati_get_cdb_byte(cdb, 9));
sati_set_ata_lba_high_exp(register_fis, sati_get_cdb_byte(cdb, 11));
}
if (PASSTHROUGH_CDB_CK_COND(cdb) ||
PASSTHROUGH_CDB_PROTOCOL(cdb) == PASSTHROUGH_RETURN_RESPONSE)
{
sequence->is_translate_response_required = TRUE;
}
sati_set_ata_features(register_fis, sati_get_cdb_byte(cdb, 4));
sati_set_ata_sector_count(register_fis, sati_get_cdb_byte(cdb, 6));
sati_set_ata_lba_low(register_fis, sati_get_cdb_byte(cdb, 8));
sati_set_ata_lba_mid(register_fis, sati_get_cdb_byte(cdb, 10));
sati_set_ata_lba_high(register_fis, sati_get_cdb_byte(cdb, 12));
sati_set_ata_device_head(register_fis, sati_get_cdb_byte(cdb, 13));
sati_set_ata_command(register_fis, sati_get_cdb_byte(cdb, 14));
sequence->state = SATI_SEQUENCE_STATE_AWAIT_RESPONSE;
return SATI_SUCCESS;
}