isci/scil/sati_unmap.c

83    SATI_TRANSLATOR_SEQUENCE_T * sequence,
87    U32 blocks = (dsm_descriptor_count * sizeof(TRIM_PAIR))/sequence->device->logical_block_size;
88    if ((dsm_descriptor_count * sizeof(TRIM_PAIR)) % sequence->device->logical_block_size)
109    SATI_TRANSLATOR_SEQUENCE_T * sequence,
128    sequence->data_direction                 = SATI_DATA_DIRECTION_OUT;
129    sequence->protocol                       = SAT_PROTOCOL_UDMA_DATA_OUT;
133    sequence->is_translate_response_required = TRUE;
141  * @brief This method updates the unmap sequence state to the next
148    SATI_TRANSLATOR_SEQUENCE_T * sequence,
156    unmap_process_state = &sequence->command_specific_data.unmap_process_state;
164       sati_get_data_byte(sequence,
199    SATI_TRANSLATOR_SEQUENCE_T * sequence
209    return MIN(SATI_DSM_MAX_BUFFER_SIZE/sequence->device->logical_block_size,
210               sequence->device->max_lba_range_entry_blocks);
223    SATI_TRANSLATOR_SEQUENCE_T * sequence,
236    unmap_process_state = &sequence->command_specific_data.unmap_process_state;
238    // Set up the sequence type for unmap translation
239    sequence->type = SATI_SEQUENCE_UNMAP;
242    if ((sequence->device->capabilities & SATI_DEVICE_CAP_DSM_TRIM_SUPPORT)
247          sequence,
271          sequence,
281    sequence->allocation_length = unmap_length;
286       sati_get_data_byte(sequence, scsi_io, index,   &unmap_param_list[index]);
301          sequence,
317    max_dsm_blocks = sati_unmap_get_max_buffer_size_in_blocks(sequence);
321        (max_dsm_blocks*sequence->device->logical_block_size)/sizeof(TRIM_PAIR);
326       max_dsm_blocks*sequence->device->logical_block_size,
336          sequence,
356    sati_unmap_load_next_descriptor(sequence,scsi_io);
360    sequence->state = SATI_SEQUENCE_STATE_INCOMPLETE;
366  * @brief This method will process each unmap sequence.
372    SATI_TRANSLATOR_SEQUENCE_T * sequence,
385    unmap_process_state = &sequence->command_specific_data.unmap_process_state;
421             sati_unmap_load_next_descriptor(sequence,scsi_io);
438    dsm_blocks     = sati_unmap_calculate_dsm_blocks(sequence,dsm_descriptor);
439    dsm_bytes      = dsm_blocks * sequence->device->logical_block_size;
440    max_dsm_blocks = sati_unmap_get_max_buffer_size_in_blocks(sequence);
445    dsm_remainder_bytes = sequence->device->logical_block_size;
447                                 (sequence->device->logical_block_size-1));
450    if (dsm_remainder_bytes != sequence->device->logical_block_size)
453        dsm_remainder_bytes += (sequence->device->logical_block_size * (max_dsm_blocks - dsm_blocks));
469    sati_unmap_construct(sequence,
474    // Determine sequence next state based on whether there is more translation
479        sequence->state = SATI_SEQUENCE_STATE_FINAL;
497    SATI_TRANSLATOR_SEQUENCE_T * sequence,
503    unmap_process_state = &sequence->command_specific_data.unmap_process_state;
529    SATI_TRANSLATOR_SEQUENCE_T * sequence,
537    unmap_process_state = &sequence->command_specific_data.unmap_process_state;
539    // Determine if this is the first step in the unmap sequence
540    if ( sequence->state == SATI_SEQUENCE_STATE_INITIAL )
542        status = sati_unmap_initial_processing(sequence,scsi_io,ata_io);
549    return sati_unmap_process(sequence, scsi_io, ata_io);
568    SATI_TRANSLATOR_SEQUENCE_T * sequence,
577    unmap_process_state = &sequence->command_specific_data.unmap_process_state;
581       sequence->state = SATI_SEQUENCE_STATE_FINAL;
583          sequence,
591       sati_unmap_terminate(sequence, scsi_io, ata_io);
595       if (sequence->state != SATI_SEQUENCE_STATE_INCOMPLETE)
598           sati_unmap_terminate(sequence, scsi_io, ata_io);