1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * This file is provided under a dual BSD/GPLv2 license. When using or 5 * redistributing this file, you may do so under either license. 6 * 7 * GPL LICENSE SUMMARY 8 * 9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 23 * The full GNU General Public License is included in this distribution 24 * in the file called LICENSE.GPL. 25 * 26 * BSD LICENSE 27 * 28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 */ 54 55 #include <sys/cdefs.h> 56 __FBSDID("$FreeBSD$"); 57 58 /** 59 * @file 60 * @brief This file contains the method implementations required to 61 * translate the SCSI unmap command. 62 */ 63 64 #if !defined(DISABLE_SATI_UNMAP) 65 66 #include <dev/isci/scil/sati_unmap.h> 67 #include <dev/isci/scil/sati_callbacks.h> 68 #include <dev/isci/scil/sati_translator_sequence.h> 69 #include <dev/isci/scil/sati_util.h> 70 #include <dev/isci/scil/intel_ata.h> 71 #include <dev/isci/scil/intel_scsi.h> 72 #include <dev/isci/scil/intel_sat.h> 73 74 //****************************************************************************** 75 //* P R I V A T E M E T H O D S 76 //****************************************************************************** 77 78 /** 79 * @brief This method translates a given number of DSM 80 * requests into DSM blocks based on the devices logical block size 81 * 82 * @return Number of DSM blocks required for the DSM descriptor count 83 */ 84 U32 sati_unmap_calculate_dsm_blocks( 85 SATI_TRANSLATOR_SEQUENCE_T * sequence, 86 U32 dsm_descriptor_count 87 ) 88 { 89 U32 blocks = (dsm_descriptor_count * sizeof(TRIM_PAIR))/sequence->device->logical_block_size; 90 if ((dsm_descriptor_count * sizeof(TRIM_PAIR)) % sequence->device->logical_block_size) 91 { 92 blocks++; 93 } 94 return blocks; 95 } 96 97 /** 98 * @brief This method performs the SCSI Unmap command translation 99 * functionality. 100 * This includes: 101 * - setting the command register 102 * - setting the device head register 103 * - filling in fields in the SATI_TRANSLATOR_SEQUENCE object. 104 * For more information on the parameters passed to this method, 105 * please reference sati_translate_command(). 106 * 107 * @return Indicate if the method was successfully completed. 108 * @retval SATI_SUCCESS This is returned in all other cases. 109 */ 110 SATI_STATUS sati_unmap_construct( 111 SATI_TRANSLATOR_SEQUENCE_T * sequence, 112 void * scsi_io, 113 void * ata_io, 114 U32 sector_count 115 ) 116 { 117 U8 * h2d_register_fis = sati_cb_get_h2d_register_fis_address(ata_io); 118 U8 * d2h_register_fis = sati_cb_get_d2h_register_fis_address(ata_io); 119 120 sati_set_ata_command(h2d_register_fis, ATA_DATA_SET_MANAGEMENT); 121 sati_set_ata_features(h2d_register_fis, 0x01); 122 sati_set_ata_sector_count(h2d_register_fis, (U8)sector_count); 123 sati_set_ata_device_head(h2d_register_fis, ATA_DEV_HEAD_REG_LBA_MODE_ENABLE); 124 125 // Set the completion status since the core will not do that for 126 // the udma fast path. 127 sati_set_ata_status(d2h_register_fis, 0x00); 128 129 // Set up the direction and protocol for SCIC 130 sequence->data_direction = SATI_DATA_DIRECTION_OUT; 131 sequence->protocol = SAT_PROTOCOL_UDMA_DATA_OUT; 132 // The UNMAP translation will always require a callback 133 // on every response so it can free memory if an error 134 // occurs. 135 sequence->is_translate_response_required = TRUE; 136 137 ASSERT(sector_count < 0x100); 138 139 return SATI_SUCCESS; 140 } 141 142 /** 143 * @brief This method updates the unmap sequence state to the next 144 * unmap descriptor 145 * 146 * @return Indicate if the method was successfully completed. 147 * @retval SATI_SUCCESS This is returned in all other cases. 148 */ 149 SATI_STATUS sati_unmap_load_next_descriptor( 150 SATI_TRANSLATOR_SEQUENCE_T * sequence, 151 void * scsi_io 152 ) 153 { 154 SATI_UNMAP_PROCESSING_STATE_T * unmap_process_state; 155 U32 index; 156 U8 unmap_block_descriptor[16]; 157 158 unmap_process_state = &sequence->command_specific_data.unmap_process_state; 159 160 // Load the next descriptor 161 for(index = unmap_process_state->current_unmap_block_descriptor_index; 162 index < unmap_process_state->current_unmap_block_descriptor_index + 163 SATI_UNMAP_SIZEOF_SCSI_UNMAP_BLOCK_DESCRIPTOR; 164 index++) 165 { 166 sati_get_data_byte(sequence, 167 scsi_io, 168 index, 169 &unmap_block_descriptor[index-unmap_process_state->current_unmap_block_descriptor_index]); 170 } 171 172 // Update the internal state for the next translation pass 173 unmap_process_state->current_lba_count = (unmap_block_descriptor[8] << 24) | 174 (unmap_block_descriptor[9] << 16) | 175 (unmap_block_descriptor[10] << 8) | 176 (unmap_block_descriptor[11]); 177 unmap_process_state->current_lba = ((SATI_LBA)(unmap_block_descriptor[0]) << 56) | 178 ((SATI_LBA)(unmap_block_descriptor[1]) << 48) | 179 ((SATI_LBA)(unmap_block_descriptor[2]) << 40) | 180 ((SATI_LBA)(unmap_block_descriptor[3]) << 32) | 181 ((SATI_LBA)(unmap_block_descriptor[4]) << 24) | 182 ((SATI_LBA)(unmap_block_descriptor[5]) << 16) | 183 ((SATI_LBA)(unmap_block_descriptor[6]) << 8) | 184 ((SATI_LBA)(unmap_block_descriptor[7])); 185 unmap_process_state->next_lba = 0; 186 187 // Update the index for the next descriptor to translate 188 unmap_process_state->current_unmap_block_descriptor_index += SATI_UNMAP_SIZEOF_SCSI_UNMAP_BLOCK_DESCRIPTOR; 189 190 return SATI_SUCCESS; 191 } 192 193 /** 194 * @brief This method determines the max number of blocks of DSM data 195 * that can be satisfied by the device and the SW 196 * 197 * @return Number of blocks supported 198 * @retval Number of blocks supported 199 */ 200 U32 sati_unmap_get_max_buffer_size_in_blocks( 201 SATI_TRANSLATOR_SEQUENCE_T * sequence 202 ) 203 { 204 // Currently this SATI implementation only supports a single 205 // 4k block of memory for the DMA write operation for simplicity 206 // (no need to handle more than one SG element). 207 // Since most run time UNMAP requests use 1K or less buffer space, 208 // there is no performance degradation with only supporting a 209 // single physical page. For best results allocate the maximum 210 // amount of memory the device can handle up to the maximum of 4K. 211 return MIN(SATI_DSM_MAX_BUFFER_SIZE/sequence->device->logical_block_size, 212 sequence->device->max_lba_range_entry_blocks); 213 } 214 215 /** 216 * @brief This method will be called before starting the first unmap translation 217 * 218 * @return Indicate if the translation was successful. 219 * @retval SATI_SUCCESS This is returned if the command translation was 220 * successful and no further processing. 221 * @retval SATI_COMPLETE - The initial processing was completed successfully 222 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA - Failed the initial processing 223 */ 224 SATI_STATUS sati_unmap_initial_processing( 225 SATI_TRANSLATOR_SEQUENCE_T * sequence, 226 void * scsi_io, 227 void * ata_io 228 ) 229 { 230 SATI_UNMAP_PROCESSING_STATE_T * unmap_process_state; 231 U8 * cdb; 232 U16 unmap_length; 233 U32 descriptor_length; 234 U32 index; 235 U32 max_dsm_blocks; 236 U8 unmap_param_list[8]; 237 238 unmap_process_state = &sequence->command_specific_data.unmap_process_state; 239 240 // Set up the sequence type for unmap translation 241 sequence->type = SATI_SEQUENCE_UNMAP; 242 243 // Make sure the device is TRIM capable 244 if ((sequence->device->capabilities & SATI_DEVICE_CAP_DSM_TRIM_SUPPORT) 245 != SATI_DEVICE_CAP_DSM_TRIM_SUPPORT) 246 { 247 // Can't send TRIM request to device that does not support it 248 sati_scsi_sense_data_construct( 249 sequence, 250 scsi_io, 251 SCSI_STATUS_CHECK_CONDITION, 252 SCSI_SENSE_ILLEGAL_REQUEST, 253 SCSI_ASC_INVALID_FIELD_IN_CDB, 254 SCSI_ASCQ_INVALID_FIELD_IN_CDB 255 ); 256 return SATI_FAILURE_CHECK_RESPONSE_DATA; 257 } 258 259 // get the amount of data being sent from the cdb 260 cdb = sati_cb_get_cdb_address(scsi_io); 261 unmap_length = (sati_get_cdb_byte(cdb, 7) << 8) | sati_get_cdb_byte(cdb, 8); 262 263 // If nothing has been requested return success now. 264 if (unmap_length == 0) 265 { 266 // SAT: This is not an error 267 return SATI_SUCCESS; 268 } 269 if (unmap_length < SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST) 270 { 271 // Not enough length specified in the CDB 272 sati_scsi_sense_data_construct( 273 sequence, 274 scsi_io, 275 SCSI_STATUS_CHECK_CONDITION, 276 SCSI_SENSE_ILLEGAL_REQUEST, 277 SCSI_ASC_INVALID_FIELD_IN_CDB, 278 SCSI_ASCQ_INVALID_FIELD_IN_CDB 279 ); 280 return SATI_FAILURE_CHECK_RESPONSE_DATA; 281 } 282 283 sequence->allocation_length = unmap_length; 284 285 // Get the unmap parameter header 286 for(index = 0; index < SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST; index++) 287 { 288 sati_get_data_byte(sequence, scsi_io, index, &unmap_param_list[index]); 289 } 290 descriptor_length = (unmap_param_list[2] << 8) | unmap_param_list[3]; 291 292 // Check length again 293 if (descriptor_length == 0) 294 { 295 // SAT: This is not an error 296 return SATI_SUCCESS; 297 } 298 299 if ((U32)(unmap_length - SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST) < descriptor_length) 300 { 301 // Not enough length specified in the CDB 302 sati_scsi_sense_data_construct( 303 sequence, 304 scsi_io, 305 SCSI_STATUS_CHECK_CONDITION, 306 SCSI_SENSE_ILLEGAL_REQUEST, 307 SCSI_ASC_INVALID_FIELD_IN_CDB, 308 SCSI_ASCQ_INVALID_FIELD_IN_CDB 309 ); 310 return SATI_FAILURE_CHECK_RESPONSE_DATA; 311 } 312 313 // Save the maximum unmap block descriptors in this request 314 unmap_process_state->max_unmap_block_descriptors = 315 descriptor_length/SATI_UNMAP_SIZEOF_SCSI_UNMAP_BLOCK_DESCRIPTOR; 316 317 // Determine the maximum size of the write buffer that will be required 318 // for the translation in terms of number of blocks 319 max_dsm_blocks = sati_unmap_get_max_buffer_size_in_blocks(sequence); 320 321 // Save the maximum number of DSM descriptors we can send during the translation 322 unmap_process_state->max_lba_range_entries = 323 (max_dsm_blocks*sequence->device->logical_block_size)/sizeof(TRIM_PAIR); 324 325 // Get the write buffer for the translation 326 sati_cb_allocate_dma_buffer( 327 scsi_io, 328 max_dsm_blocks*sequence->device->logical_block_size, 329 &(unmap_process_state->virtual_unmap_buffer), 330 &(unmap_process_state->physical_unmap_buffer_low), 331 &(unmap_process_state->physical_unmap_buffer_high)); 332 333 // Makes sure we have a buffer 334 if (unmap_process_state->virtual_unmap_buffer == NULL) 335 { 336 // Resource failure 337 sati_scsi_sense_data_construct( 338 sequence, 339 scsi_io, 340 SCSI_STATUS_BUSY, 341 SCSI_SENSE_NO_SENSE, 342 SCSI_ASC_NO_ADDITIONAL_SENSE, 343 SCSI_ASCQ_NO_ADDITIONAL_SENSE 344 ); 345 return SATI_FAILURE_CHECK_RESPONSE_DATA; 346 } 347 348 // Get the first SGL entry. This code will only use one 4K page so will 349 // only utilize the first sge. 350 sati_cb_sgl_next_sge(scsi_io, 351 ata_io, 352 NULL, 353 &(unmap_process_state->unmap_buffer_sgl_pair)); 354 355 // Load the first descriptor to start the translation loop 356 unmap_process_state->current_unmap_block_descriptor_index = 357 SATI_UNMAP_SIZEOF_SCSI_UNMAP_PARAMETER_LIST; 358 sati_unmap_load_next_descriptor(sequence,scsi_io); 359 360 // Next state will be incomplete since translation 361 // will require a callback and possibly more requests. 362 sequence->state = SATI_SEQUENCE_STATE_INCOMPLETE; 363 364 return SATI_COMPLETE; 365 } 366 367 /** 368 * @brief This method will process each unmap sequence. 369 * 370 * @return Indicate if the translation was successful. 371 * @retval SATI_SUCCESS 372 */ 373 SATI_STATUS sati_unmap_process( 374 SATI_TRANSLATOR_SEQUENCE_T * sequence, 375 void * scsi_io, 376 void * ata_io 377 ) 378 { 379 SATI_UNMAP_PROCESSING_STATE_T * unmap_process_state; 380 SATI_LBA dsm_descriptor_lba_count; 381 U32 dsm_descriptor; 382 U32 dsm_bytes; 383 U32 dsm_remainder_bytes; 384 U32 dsm_blocks; 385 U32 max_dsm_blocks; 386 387 unmap_process_state = &sequence->command_specific_data.unmap_process_state; 388 389 // Set up the starting address of the buffer for this portion of the translation 390 unmap_process_state->current_dsm_descriptor = unmap_process_state->virtual_unmap_buffer; 391 dsm_descriptor = 0; 392 393 // Translate as much as we can 394 while ((dsm_descriptor < unmap_process_state->max_lba_range_entries) && 395 (unmap_process_state->current_lba_count > 0)) { 396 // See if the LBA count will fit in to a single descriptor 397 if (unmap_process_state->current_lba_count > SATI_DSM_MAX_SECTOR_COUNT) { 398 // Can't fit all of the lbas for this descriptor in to 399 // one DSM request. Adjust the current LbaCount and total 400 // remaining for the next descriptor 401 dsm_descriptor_lba_count = SATI_DSM_MAX_SECTOR_COUNT; 402 unmap_process_state->current_lba_count -= SATI_DSM_MAX_SECTOR_COUNT; 403 unmap_process_state->next_lba = 404 unmap_process_state->current_lba + SATI_DSM_MAX_SECTOR_COUNT; 405 } else { 406 // It all fits in to one descriptor 407 dsm_descriptor_lba_count = unmap_process_state->current_lba_count; 408 unmap_process_state->current_lba_count = 0; 409 } 410 411 // Fill in the ATA DSM descriptor 412 ((PTRIM_PAIR)(unmap_process_state->current_dsm_descriptor))->sector_address = 413 unmap_process_state->current_lba; 414 ((PTRIM_PAIR)(unmap_process_state->current_dsm_descriptor))->sector_count = 415 dsm_descriptor_lba_count; 416 417 // See if we can move on to the next descriptor 418 if (unmap_process_state->current_lba_count == 0) { 419 // See if there is another descriptor 420 --unmap_process_state->max_unmap_block_descriptors; 421 if (unmap_process_state->max_unmap_block_descriptors > 0) { 422 // Move on to the next descriptor 423 sati_unmap_load_next_descriptor(sequence,scsi_io); 424 } 425 } else { 426 // Move to the next LBA in this descriptor 427 unmap_process_state->current_lba = unmap_process_state->next_lba; 428 } 429 430 // Make sure the LBA does not exceed 48 bits... 431 ASSERT(unmap_process_state->current_lba <= SATI_DSM_MAX_SECTOR_ADDRESS); 432 433 // Increment the number of descriptors used and point to the next entry 434 dsm_descriptor++; 435 unmap_process_state->current_dsm_descriptor = 436 (U8 *)(unmap_process_state->current_dsm_descriptor) + sizeof(TRIM_PAIR); 437 } 438 439 // Calculate number of blocks we have filled in 440 dsm_blocks = sati_unmap_calculate_dsm_blocks(sequence,dsm_descriptor); 441 dsm_bytes = dsm_blocks * sequence->device->logical_block_size; 442 max_dsm_blocks = sati_unmap_get_max_buffer_size_in_blocks(sequence); 443 444 // The current_dsm_descriptor points to the next location in the buffer 445 // Get the remaining bytes from the last translated descriptor 446 // to the end of the 4k buffer. 447 dsm_remainder_bytes = sequence->device->logical_block_size; 448 dsm_remainder_bytes -= (U32)((POINTER_UINT)unmap_process_state->current_dsm_descriptor & 449 (sequence->device->logical_block_size-1)); 450 451 // If there was no remainder, the complete buffer was filled in. 452 if (dsm_remainder_bytes != sequence->device->logical_block_size) 453 { 454 // Add on the remaining unfilled blocks 455 dsm_remainder_bytes += (sequence->device->logical_block_size * (max_dsm_blocks - dsm_blocks)); 456 457 // According to ATA-8, if the DSM buffer is not completely filled with 458 // valid DSM descriptor data, the remaining portion of the 459 // buffer must be filled in with zeros. 460 memset((U8 *)unmap_process_state->current_dsm_descriptor, 0, dsm_remainder_bytes); 461 } 462 463 // Tell scic to utilize this sgl pair for write DMA processing of 464 // the SCSI UNMAP translation with the total number of bytes for this transfer 465 sati_cb_sge_write(unmap_process_state->unmap_buffer_sgl_pair, 466 unmap_process_state->physical_unmap_buffer_low, 467 unmap_process_state->physical_unmap_buffer_high, 468 dsm_bytes); 469 470 // Construct the unmap ATA request 471 sati_unmap_construct(sequence, 472 scsi_io, 473 ata_io, 474 dsm_blocks); 475 476 // Determine sequence next state based on whether there is more translation 477 // to complete 478 if (unmap_process_state->current_lba_count == 0) 479 { 480 // used for completion routine to determine if there is more processing 481 sequence->state = SATI_SEQUENCE_STATE_FINAL; 482 } 483 // This requests has already translated the SGL, have SCIC skip SGL translataion 484 return SATI_SUCCESS_SGL_TRANSLATED; 485 } 486 487 //****************************************************************************** 488 //* P U B L I C M E T H O D S 489 //****************************************************************************** 490 491 /** 492 * @brief This method will handle termination of the 493 * SCSI unmap translation and frees previously allocated 494 * dma buffer. 495 * 496 * @return None 497 */ 498 void sati_unmap_terminate( 499 SATI_TRANSLATOR_SEQUENCE_T * sequence, 500 void * scsi_io, 501 void * ata_io 502 ) 503 { 504 SATI_UNMAP_PROCESSING_STATE_T * unmap_process_state; 505 unmap_process_state = &sequence->command_specific_data.unmap_process_state; 506 507 if (unmap_process_state->virtual_unmap_buffer != NULL) 508 { 509 sati_cb_free_dma_buffer(scsi_io, unmap_process_state->virtual_unmap_buffer); 510 unmap_process_state->virtual_unmap_buffer = NULL; 511 } 512 } 513 514 /** 515 * @brief This method will translate the SCSI Unmap command 516 * into corresponding ATA commands. Depending upon the capabilities 517 * supported by the target different ATA commands can be selected. 518 * Additionally, in some cases more than a single ATA command may 519 * be required. 520 * 521 * @return Indicate if the command translation succeeded. 522 * @retval SATI_SUCCESS This is returned if the command translation was 523 * successful. 524 * @retval SATI_COMPLETE This is returned if the command translation was 525 * successful and no ATA commands need to be set. 526 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if 527 * sense data has been created as a result of something specified 528 * in the parameter data fields. 529 */ 530 SATI_STATUS sati_unmap_translate_command( 531 SATI_TRANSLATOR_SEQUENCE_T * sequence, 532 void * scsi_io, 533 void * ata_io 534 ) 535 { 536 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 537 SATI_UNMAP_PROCESSING_STATE_T * unmap_process_state; 538 539 unmap_process_state = &sequence->command_specific_data.unmap_process_state; 540 541 // Determine if this is the first step in the unmap sequence 542 if ( sequence->state == SATI_SEQUENCE_STATE_INITIAL ) 543 { 544 status = sati_unmap_initial_processing(sequence,scsi_io,ata_io); 545 if (status != SATI_COMPLETE) 546 { 547 return status; 548 } 549 } 550 // Translate the next portion of the UNMAP request 551 return sati_unmap_process(sequence, scsi_io, ata_io); 552 } 553 554 /** 555 * @brief This method will translate the ATA command register FIS 556 * response into an appropriate SCSI response for Unmap. 557 * For more information on the parameters passed to this method, 558 * please reference sati_translate_response(). 559 * 560 * @return Indicate if the response translation succeeded. 561 * @retval SATI_SUCCESS This is returned if the command translation was 562 * successful. 563 * @retval SATI_COMPLETE This is returned if the command translation was 564 * successful and no ATA commands need to be set. 565 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if 566 * sense data has been created as a result of something specified 567 * in the parameter data fields. 568 */ 569 SATI_STATUS sati_unmap_translate_response( 570 SATI_TRANSLATOR_SEQUENCE_T * sequence, 571 void * scsi_io, 572 void * ata_io 573 ) 574 { 575 U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io); 576 SATI_UNMAP_PROCESSING_STATE_T * unmap_process_state; 577 SATI_STATUS sati_status = SATI_COMPLETE; 578 579 unmap_process_state = &sequence->command_specific_data.unmap_process_state; 580 581 if (sati_get_ata_status(register_fis) & ATA_STATUS_REG_ERROR_BIT) 582 { 583 sequence->state = SATI_SEQUENCE_STATE_FINAL; 584 sati_scsi_sense_data_construct( 585 sequence, 586 scsi_io, 587 SCSI_STATUS_CHECK_CONDITION, 588 SCSI_SENSE_ABORTED_COMMAND, 589 SCSI_ASC_NO_ADDITIONAL_SENSE, 590 SCSI_ASCQ_NO_ADDITIONAL_SENSE 591 ); 592 // All done, terminate the translation 593 sati_unmap_terminate(sequence, scsi_io, ata_io); 594 } 595 else 596 { 597 if (sequence->state != SATI_SEQUENCE_STATE_INCOMPLETE) 598 { 599 // All done, terminate the translation 600 sati_unmap_terminate(sequence, scsi_io, ata_io); 601 } 602 else 603 { 604 // Still translating 605 sati_status = SATI_SEQUENCE_STATE_INCOMPLETE; 606 } 607 } 608 return sati_status; 609 } 610 611 #endif // !defined(DISABLE_SATI_UNMAP) 612