1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
9  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
22  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
28  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
76  * @brief This method simply sets the command register based upon the
98    if (sequence->data_direction == SATI_DATA_DIRECTION_OUT)  in sati_move_set_ata_command()
105  * @brief This method will translate the SCSI transfer count from the 6-byte
106  *        CDB into the appropriate amount in the ATA register FIS.  Please
107  *        note for 48-bit UDMA requests, the caller must set the sector
135    if (sequence->data_direction == SATI_DATA_DIRECTION_IN)  in sati_move_small_udma_translate_command()
136       sequence->protocol = SAT_PROTOCOL_UDMA_DATA_IN;  in sati_move_small_udma_translate_command()
138       sequence->protocol = SAT_PROTOCOL_UDMA_DATA_OUT;  in sati_move_small_udma_translate_command()
143  *        supplied sector_count parameter into the ATA register FIS.
171    if (sequence->data_direction == SATI_DATA_DIRECTION_IN)  in sati_move_large_udma_translate_command()
172       sequence->protocol = SAT_PROTOCOL_UDMA_DATA_IN;  in sati_move_large_udma_translate_command()
174       sequence->protocol = SAT_PROTOCOL_UDMA_DATA_OUT;  in sati_move_large_udma_translate_command()
182  * @brief This method will translate the SCSI transfer count from the 6-byte
183  *        CDB into the appropriate amount in the ATA register FIS.
184  *        This is only used for translation of 6-byte SCSI CDBs.
213  * @brief This method will process a 32-bit sector into the appropriate fields
214  *        in a register FIS.  This method works for both 8-bit and 16-bit sector
216  *        This is used for translation of 10, 12, and 16-byte SCSI CDBs.
220  * @note This method should only be called for CDB sizes of 10-bytes or larger.
240    if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)  in sati_move_set_sector_count()
245    // Check the CDB transfer length count and set the register FIS sector  in sati_move_set_sector_count()
249       // A SCSI sector count of 0 for 10-byte CDBs and larger indicate no data  in sati_move_set_sector_count()
257       sequence->command_specific_data.move_sector_count =  in sati_move_set_sector_count()
258          sector_count - max_sector_count;  in sati_move_set_sector_count()
280  * @brief This method simply translates the 32-bit logical block address
281  *        field from the SCSI CDB (10 or 12-byte) into the ATA task
282  *        file (register FIS).
306  * @brief This method simply translates the 64-bit logical block address
308  *        file (register FIS).  The 2 most significant bytes must be 0,
309  *        since ATA devices can, at most, support 48-bits of LBA.
316  *         of the 2 most significant bytes contain a non-zero value.
328    // addressibility per the ATA specification (i.e. 48-bit or 28-bit).  in sati_move_translate_64_bit_lba()
413  *        the 6-byte move command descriptor blocks (CDBs).
415  *        - command register is set
416  *        - the SATI_TRANSLATOR_SEQUENCE::protocol field is set
417  *        - the sector count field(s) are set
418  *        - sati_move_6_translate_command() is invoked.
436    if (sequence->device->capabilities & SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE)  in sati_move_small_translate_command()
442       sequence->protocol = SAT_PROTOCOL_FPDMA;  in sati_move_small_translate_command()
444    else if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)  in sati_move_small_translate_command()
461    else if (sequence->device->capabilities & SATI_DEVICE_CAP_UDMA_ENABLE)  in sati_move_small_translate_command()
471        * handling the 48-bit feature set (i.e. 16 bits of sector count).  in sati_move_small_translate_command()
489  *        the larger command descriptor blocks (10, 12, 16-byte CDBs).
516    if (sequence->device->capabilities & SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE)  in sati_move_large_translate_command()
519       if((sequence->device->capabilities & SATI_DEVICE_CAP_IGNORE_FUA)==0)  in sati_move_large_translate_command()
532       sequence->protocol = SAT_PROTOCOL_FPDMA;  in sati_move_large_translate_command()
534    else if (sequence->device->capabilities & SATI_DEVICE_CAP_48BIT_ENABLE)  in sati_move_large_translate_command()
560    else if (sequence->device->capabilities & SATI_DEVICE_CAP_UDMA_ENABLE)  in sati_move_large_translate_command()
575        * handling the 48-bit feature set (i.e. 16 bits of sector count).  in sati_move_large_translate_command()
598  *            to be written to the ATA task file (register FIS) device