1 /*- 2 * This file is provided under a dual BSD/GPLv2 license. When using or 3 * redistributing this file, you may do so under either license. 4 * 5 * GPL LICENSE SUMMARY 6 * 7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of version 2 of the GNU General Public License as 11 * published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 21 * The full GNU General Public License is included in this distribution 22 * in the file called LICENSE.GPL. 23 * 24 * BSD LICENSE 25 * 26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 27 * All rights reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions 31 * are met: 32 * 33 * * Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * * Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in 37 * the documentation and/or other materials provided with the 38 * distribution. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 46 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 #include <sys/cdefs.h> 54 __FBSDID("$FreeBSD$"); 55 56 /** 57 * @file 58 * @brief This file contains the method implementations required to 59 * translate the SCSI mode select (6 and 10-byte) commands with 5 60 * supported mode parameter pages (0x01, 0x02, 0x08, 0x0A, 0x1C). 61 */ 62 63 #if !defined(DISABLE_SATI_MODE_SELECT) 64 65 #include <dev/isci/scil/sati_mode_select.h> 66 #include <dev/isci/scil/sati_mode_pages.h> 67 #include <dev/isci/scil/sati_callbacks.h> 68 #include <dev/isci/scil/sci_object.h> 69 #include <dev/isci/scil/sati_translator_sequence.h> 70 #include <dev/isci/scil/sati_util.h> 71 72 //****************************************************************************** 73 //* P R I V A T E M E T H O D S 74 //****************************************************************************** 75 76 /** 77 * @brief This method will get medium type parameter field per CDB size. 78 * 79 * @param[in] scsi_io This parameter specifies the user's SCSI IO object 80 * for which to calculate the mode page header. 81 * @param[in] cdb_size This parameter specifies the number of bytes 82 * associated with the CDB for which to calculate the header. 83 * 84 * @return This method returns the medium type for the mode page header. 85 */ 86 static 87 U8 sati_mode_select_get_medium_type( 88 U8 * mode_parameters, 89 U32 cdb_size 90 ) 91 { 92 U8 medium_type =0xFF; 93 SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_6_T * mode_parameters_6; 94 SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_10_T * mode_parameters_10; 95 96 if(cdb_size == 6) 97 { 98 mode_parameters_6 = (SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_6_T *) mode_parameters; 99 medium_type = mode_parameters_6->medium_type; 100 } 101 else if(cdb_size == 10) 102 { 103 mode_parameters_10 = (SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_10_T *) mode_parameters; 104 medium_type = mode_parameters_10->medium_type; 105 } 106 107 return medium_type; 108 } 109 110 /** 111 * @brief This method will retrieve Block Descriptor Length. 112 * 113 * @param[in] mode_parameters This parameter contains the address to the mode parameters. 114 * @param[in] cdb_size This parameter specifies the number of bytes 115 * associated with the CDB for which to process the block descriptor. 116 * 117 * @return This method returns the size, in bytes, for the mode parameter block descriptor. 118 */ 119 static 120 U32 sati_mode_select_get_mode_block_descriptor_length( 121 U8 * mode_parameters, 122 U32 cdb_size 123 ) 124 { 125 U32 mode_block_descriptor_length = 0; 126 SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_6_T * mode_parameters_6; 127 SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_10_T * mode_parameters_10; 128 129 if(cdb_size == 6) 130 { 131 mode_parameters_6 = (SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_6_T *) mode_parameters; 132 mode_block_descriptor_length = mode_parameters_6->block_descriptor_length; 133 } 134 else if(cdb_size == 10) 135 { 136 mode_parameters_10 = (SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_10_T *) mode_parameters; 137 //Long LBA bit is the bit0 of the byte 138 //Spec says another way to get the block descriptor length to multiply the block number 139 // with block length (8 or 16), but we can get it directly. 140 mode_block_descriptor_length =(((U16)mode_parameters_10->block_descriptor_length[0]) << 8) + 141 mode_parameters_10->block_descriptor_length[1]; 142 143 } 144 145 return mode_block_descriptor_length; 146 147 } 148 149 /** 150 * @brief This method will find the starting byte location for a page. 151 * 152 * @param[in] block_descriptor_length This parameter passes in the length of 153 * block descriptor. 154 * @param[in] cdb_size This parameter specifies the number of bytes 155 * associated with the CDB for which to calculate the header. 156 * 157 * @return This method returns the offset, for the mode page. 158 */ 159 static 160 U32 sati_mode_select_get_mode_page_offset( 161 U32 block_descriptor_length, 162 U32 cdb_size 163 ) 164 { 165 U32 mode_page_offset; 166 167 if(cdb_size == 6) 168 { 169 mode_page_offset = sizeof(SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_6_T) + block_descriptor_length; 170 } 171 else if(cdb_size == 10) 172 { 173 mode_page_offset = sizeof(SCSI_MODE_SELECT_MODE_PARAMETER_HEADER_10_T) + block_descriptor_length; 174 } 175 else 176 { 177 mode_page_offset = 0; 178 } 179 180 return mode_page_offset; 181 } 182 183 /** 184 * @brief This method will set the initial Mode Select processing state. 185 */ 186 static 187 void sati_mode_select_initialize_mode_sel_processing_state( 188 SATI_TRANSLATOR_SEQUENCE_T * sequence, 189 void * scsi_io, 190 void * ata_io, 191 U32 data_transfer_length, 192 U32 mode_page_offset 193 ) 194 { 195 sequence->command_specific_data.process_state.ata_command_sent_for_cmp = 0; 196 sequence->command_specific_data.process_state.mode_page_offset=mode_page_offset; 197 sequence->command_specific_data.process_state.mode_pages_size = data_transfer_length - mode_page_offset; 198 sequence->command_specific_data.process_state.size_of_data_processed = 0; 199 sequence->command_specific_data.process_state.current_mode_page_processed = FALSE; 200 } 201 202 /** 203 * @brief This method will get mode page size. 204 * 205 * @param[in] page_code This parameter contains page code for the current mode page. 206 * 207 * @return This method returns the size of current mode page. 208 */ 209 static 210 U32 sati_mode_select_get_mode_page_size( 211 U8 page_code 212 ) 213 { 214 U32 page_size=0; 215 216 switch (page_code) 217 { 218 case SCSI_MODE_PAGE_READ_WRITE_ERROR: 219 page_size=SCSI_MODE_PAGE_01_LENGTH; 220 break; 221 222 case SCSI_MODE_PAGE_DISCONNECT_RECONNECT: 223 page_size=SCSI_MODE_PAGE_02_LENGTH; 224 break; 225 226 case SCSI_MODE_PAGE_CACHING: 227 page_size=SCSI_MODE_PAGE_08_LENGTH; 228 break; 229 230 case SCSI_MODE_PAGE_CONTROL: 231 page_size=SCSI_MODE_PAGE_0A_LENGTH; 232 break; 233 234 case SCSI_MODE_PAGE_INFORMATIONAL_EXCP_CONTROL: 235 page_size=SCSI_MODE_PAGE_1C_LENGTH; 236 break; 237 238 case SCSI_MODE_PAGE_POWER_CONDITION: 239 page_size=SCSI_MODE_PAGE_1A_LENGTH; 240 break; 241 default: 242 page_size=0; 243 break; 244 } 245 246 return page_size; 247 } 248 249 /** 250 * @brief This method will check the validity of parameter data of Read Write Error Recovery 251 * page and further processing the page data if necessary. 252 * 253 * @param[in] page_size This parameter specifies page size of current mode page. 254 * 255 * @return Indicate if the translation was successful. 256 * @retval SATI_SUCCESS 257 * @retval SATI_COMPLETE 258 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 259 */ 260 static 261 SATI_STATUS sati_mode_select_process_mode_page_read_write_error_recovery( 262 SATI_TRANSLATOR_SEQUENCE_T* sequence, 263 void * scsi_io, 264 U32 page_size 265 ) 266 { 267 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 268 269 U8 current_mode_page[SCSI_MODE_PAGE_01_LENGTH]={0,0,0,0,0,0,0,0,0,0,0,0}; 270 U32 mode_page_offset; 271 272 mode_page_offset = sequence->command_specific_data.process_state.mode_page_offset; 273 274 //Check all the defined bits for this page 275 //SPF(0b); Page length 0x0A;AWRE 1; ARRE 0; Error recovery bits 0; RC 0; 276 //Recovery time limit last two bytes 0 277 278 sati_get_data_byte(sequence, scsi_io, mode_page_offset, ¤t_mode_page[0]); 279 sati_get_data_byte(sequence, scsi_io, mode_page_offset+1, ¤t_mode_page[1]); 280 sati_get_data_byte(sequence, scsi_io, mode_page_offset+2, ¤t_mode_page[2]); 281 sati_get_data_byte(sequence, scsi_io, mode_page_offset+10, ¤t_mode_page[10]); 282 sati_get_data_byte(sequence, scsi_io, mode_page_offset+11, ¤t_mode_page[11]); 283 284 if ( ((current_mode_page[0] & SCSI_MODE_SELECT_MODE_PAGE_SPF_MASK)!= 0) || 285 (current_mode_page[1] != (SCSI_MODE_PAGE_01_LENGTH - 2)) || 286 ((current_mode_page[2] & SCSI_MODE_SELECT_MODE_PAGE_01_AWRE_MASK) == 0) || 287 ((current_mode_page[2] & SCSI_MODE_SELECT_MODE_PAGE_01_ARRE_MASK) != 0) || 288 ((current_mode_page[2] & SCSI_MODE_SELECT_MODE_PAGE_01_RC_ERBITS_MASK) != 0) || 289 (current_mode_page[10] != 0 ) || 290 (current_mode_page[11] != 0 ) ) 291 { 292 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 293 return status; 294 } 295 296 //no need to send any command 297 { 298 sequence->command_specific_data.process_state.size_of_data_processed += page_size; 299 sequence->command_specific_data.process_state.mode_page_offset += page_size; 300 sequence->command_specific_data.process_state.current_mode_page_processed = TRUE; 301 } 302 303 status = SATI_COMPLETE; 304 305 return status; 306 } 307 308 /** 309 * @brief This method will check the validity of parameter data of Disconnect Reconnect mode 310 * page and further processing the page data if necessary. 311 * 312 * @param[in] page_size This parameter specifies page size of current mode page. 313 * 314 * @return Indicate if the translation was successful. 315 * @retval SATI_SUCCESS 316 * @retval SATI_COMPLETE 317 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 318 */ 319 static 320 SATI_STATUS sati_mode_select_process_mode_page_disconnect_reconnect( 321 SATI_MODE_SELECT_PROCESSING_STATE_T * mode_select_process_state, 322 U32 page_size 323 ) 324 { 325 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 326 327 // No need to check data for valid or invalid this page (undefined) 328 // No ata command to send 329 { 330 mode_select_process_state->size_of_data_processed += page_size; 331 mode_select_process_state->mode_page_offset += page_size; 332 mode_select_process_state->current_mode_page_processed = TRUE; 333 } 334 335 // No further interaction with remote devices 336 status = SATI_COMPLETE; 337 338 return status; 339 } 340 341 /** 342 * @brief This method will check the validity of parameter data of Caching mode 343 * page and issue multiple ATA set feature commands to complete the translation. 344 * 345 * @param[in] page_size This parameter specifies page size of current mode page. 346 * 347 * @return Indicate if the translation was successful. 348 * @retval SATI_SUCCESS 349 * @retval SATI_COMPLETE 350 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 351 */ 352 static 353 SATI_STATUS sati_mode_select_process_mode_page_caching( 354 SATI_TRANSLATOR_SEQUENCE_T * sequence, 355 void * scsi_io, 356 void * ata_io, 357 U32 page_size 358 ) 359 { 360 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 361 362 //SCSI_MODE_PAGE_08_LENGTH 0x14= 20 363 U8 current_mode_page[SCSI_MODE_PAGE_08_LENGTH] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 364 U32 mode_page_offset; 365 U32 index; 366 367 mode_page_offset = sequence->command_specific_data.process_state.mode_page_offset; 368 sequence->type = SATI_SEQUENCE_MODE_SELECT_MODE_PAGE_CACHING; 369 370 for(index = 0; index < SCSI_MODE_PAGE_08_LENGTH; index++) 371 { 372 sati_get_data_byte(sequence, scsi_io, mode_page_offset+index, ¤t_mode_page[index]); 373 } 374 375 //Check for data validity 376 //SPF(0b); Page length 0x12;Byte2 to Byte15 all 0 with exception DRA and WCE changeable 377 378 if (((current_mode_page[0] & SCSI_MODE_SELECT_MODE_PAGE_SPF_MASK)!= 0) || 379 (current_mode_page[1] != (SCSI_MODE_PAGE_08_LENGTH-2)) || 380 ((current_mode_page[2] | SCSI_MODE_PAGE_CACHE_PAGE_WCE_BIT)!=SCSI_MODE_PAGE_CACHE_PAGE_WCE_BIT) || 381 (current_mode_page[3] != 0 ) || 382 (current_mode_page[4] != 0 ) || 383 (current_mode_page[5] != 0 ) || 384 (current_mode_page[6] != 0 ) || 385 (current_mode_page[7] != 0 ) || 386 (current_mode_page[8] != 0 ) || 387 (current_mode_page[9] != 0 ) || 388 (current_mode_page[10] != 0 ) || 389 (current_mode_page[11] != 0 ) || 390 ((current_mode_page[12] & SCSI_MODE_SELECT_MODE_PAGE_08_FSW_LBCSS_NVDIS) != 0) || 391 (current_mode_page[13] != 0 ) || 392 (current_mode_page[14] != 0 ) || 393 (current_mode_page[15] != 0 )) 394 { 395 //parameter data passed in containing data that doesn't meet the SAT-2 requirement 396 return SATI_FAILURE_CHECK_RESPONSE_DATA; 397 } 398 399 if(sequence->command_specific_data.process_state.ata_command_sent_for_cmp == 0) 400 { 401 //byte2 bit2 WCE==0 disable write cache WCE==1 enable write cache 402 //SCSI_MODE_PAGE_CACHE_PAGE_WCE_BIT ==0x4, 403 404 if ( (current_mode_page[2] & SCSI_MODE_PAGE_CACHE_PAGE_WCE_BIT) == 0) 405 sati_ata_set_features_construct(ata_io, sequence, ATA_SET_FEATURES_SUB_CMD_DISABLE_CACHE); 406 else 407 sati_ata_set_features_construct(ata_io, sequence, ATA_SET_FEATURES_SUB_CMD_ENABLE_CACHE); 408 409 } 410 else if(sequence->command_specific_data.process_state.ata_command_sent_for_cmp == 1) 411 { 412 // DRA bit is set to 0, enable Read look ahead AAh; 413 // DRA bit is set to 1, disable with set feature command 55h 414 // SCSI_MODE_PAGE_CACHE_PAGE_DRA_BIT== 0x20 415 416 if ( (current_mode_page[12] & SCSI_MODE_PAGE_CACHE_PAGE_DRA_BIT) == 0) 417 sati_ata_set_features_construct(ata_io, sequence,ATA_SET_FEATURES_SUB_CMD_ENABLE_READ_AHEAD); 418 else 419 sati_ata_set_features_construct(ata_io, sequence,ATA_SET_FEATURES_SUB_CMD_DISABLE_READ_AHEAD); 420 421 sequence->command_specific_data.process_state.size_of_data_processed += page_size; 422 sequence->command_specific_data.process_state.mode_page_offset += page_size; 423 sequence->command_specific_data.process_state.current_mode_page_processed = TRUE; 424 425 426 } 427 // No more ata commands to send 428 429 sequence->command_specific_data.process_state.ata_command_sent_for_cmp++; 430 431 status = SATI_SUCCESS; 432 433 return status; 434 } 435 436 /** 437 * @brief This method will check the validity of parameter data of Control mode 438 * page and further processing the page data if necessary. 439 * 440 * @param[in] mode_select_process_state This parameter points to the processing state fields 441 * of current mode page. 442 * @param[in] page_size This parameter specifies page size of current mode page. 443 * 444 * @return Indicate if the translation was successful. 445 * @retval SATI_SUCCESS 446 * @retval SATI_COMPLETE 447 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 448 */ 449 static 450 SATI_STATUS sati_mode_select_process_mode_page_control( 451 SATI_TRANSLATOR_SEQUENCE_T* sequence, 452 void * scsi_io, 453 void * ata_io, 454 U32 page_size 455 ) 456 { 457 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 458 459 //SCSI_MODE_PAGE_0A_LENGTH 12 460 U8 current_mode_page[SCSI_MODE_PAGE_0A_LENGTH]={0,0,0,0,0,0,0,0,0,0}; 461 U32 mode_page_offset; 462 U32 index; 463 464 mode_page_offset = sequence->command_specific_data.process_state.mode_page_offset; 465 466 for(index = 0; index < SCSI_MODE_PAGE_0A_LENGTH; index++) 467 { 468 sati_get_data_byte(sequence, scsi_io, mode_page_offset+index, ¤t_mode_page[index]); 469 } 470 471 //bit 1 and 2 of byte3 Qerr full task management model etc. then both bits 0 472 //byte 8 and 9 busy time out period variable if not ffff setable? 473 //check for page data validity 474 //Byte2: 0000???0b Byte3: Queued Algorithm Modifier should be set to 1 QErr? 475 //Byte4: ??000??? Byte5: ?0???000 476 477 if (((current_mode_page[0] & SCSI_MODE_SELECT_MODE_PAGE_SPF_MASK)!= 0) || 478 (current_mode_page[1] != (SCSI_MODE_PAGE_0A_LENGTH - 2)) || 479 ((current_mode_page[2] & SCSI_MODE_SELECT_MODE_PAGE_0A_TST_TMF_RLEC) != 0) || 480 ((current_mode_page[3] & SCSI_MODE_SELECT_MODE_PAGE_0A_MODIFIER) != 0) || 481 ((current_mode_page[4] & SCSI_MODE_SELECT_MODE_PAGE_0A_UA_SWP ) != 0) || 482 ((current_mode_page[5] & SCSI_MODE_SELECT_MODE_PAGE_0A_TAS_AUTO ) != 0 ) ) 483 { 484 return SATI_FAILURE_CHECK_RESPONSE_DATA; 485 } 486 487 if ((current_mode_page[2] & SCSI_MODE_SELECT_MODE_PAGE_D_SENSE) != 0) 488 sequence->device->descriptor_sense_enable = SCSI_MODE_PAGE_CONTROL_D_SENSE_ENABLE; 489 else 490 sequence->device->descriptor_sense_enable = SCSI_MODE_PAGE_CONTROL_D_SENSE_DISABLE; 491 492 // no ata command need to be comfirmed 493 { 494 sequence->command_specific_data.process_state.size_of_data_processed += page_size; 495 sequence->command_specific_data.process_state.mode_page_offset += page_size; 496 sequence->command_specific_data.process_state.current_mode_page_processed = TRUE; 497 } 498 499 status = SATI_COMPLETE; 500 501 return status; 502 } 503 504 /** 505 * @brief This method will check the validity of parameter data of Information Exception Control 506 * mode page and further processing the page data if necessary. 507 * 508 * @param[in] page_size This parameter specifies page size of current mode page. 509 * 510 * @return Indicate if the translation was successful. 511 * @retval SATI_SUCCESS 512 * @retval SATI_COMPLETE 513 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 514 */ 515 static 516 SATI_STATUS sati_mode_select_process_mode_page_informational_exception_control( 517 SATI_TRANSLATOR_SEQUENCE_T * sequence, 518 void * scsi_io, 519 void * ata_io, 520 U32 page_size 521 ) 522 { 523 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 524 525 //SCSI_MODE_PAGE_1C_LENGTH 12 526 U8 current_mode_page[SCSI_MODE_PAGE_1C_LENGTH]={0,0,0,0,0,0,0,0,0,0,0,0}; 527 U32 mode_page_offset; 528 U32 index; 529 530 mode_page_offset = sequence->command_specific_data.process_state.mode_page_offset; 531 sequence->type = SATI_SEQUENCE_MODE_SELECT_MODE_INFORMATION_EXCEPT_CONTROL; 532 533 for(index = 0; index < 4; index++) 534 { 535 sati_get_data_byte(sequence, scsi_io, mode_page_offset+index, ¤t_mode_page[index]); 536 } 537 538 //Check for data validity 539 //SPF(0b); Page length 0x0A; Byte2 0????0?? Byte3: ????1100 540 //SCSI_MODE_SELECT_MODE_PAGE_MRIE_BYTE same as REPORT_INFO_EXCEPTION_CONDITION_ON_REQUEST 0x6 541 //SCSI_MODE_PAGE_DEXCPT_ENABLE 542 543 if (((current_mode_page[0] & SCSI_MODE_SELECT_MODE_PAGE_SPF_MASK)!= 0) || 544 (current_mode_page[1] != (SCSI_MODE_PAGE_1C_LENGTH - 2)) || 545 ((current_mode_page[2] & SCSI_MODE_SELECT_MODE_PAGE_1C_PERF_TEST)!= 0 ) || 546 ((current_mode_page[3] & SCSI_MODE_SELECT_MODE_PAGE_MRIE_MASK) != 547 SCSI_MODE_SELECT_MODE_PAGE_MRIE_BYTE )) 548 { 549 return SATI_FAILURE_CHECK_RESPONSE_DATA; 550 } 551 552 // DEXCPT bit is set to 0, enable SMART reporting D8h; 553 // DEXCPT bit is set to 1, disable SMART reporting D9h 554 // SCSI_MODE_PAGE_DEXCPT_ENABLE== 0x08 555 556 if ( (current_mode_page[2] & SCSI_MODE_PAGE_DEXCPT_ENABLE) == 0) 557 sati_ata_smart_return_status_construct(ata_io, sequence, ATA_SMART_SUB_CMD_ENABLE); 558 else 559 sati_ata_smart_return_status_construct(ata_io, sequence, ATA_SMART_SUB_CMD_DISABLE); 560 561 sequence->command_specific_data.process_state.size_of_data_processed += page_size; 562 sequence->command_specific_data.process_state.mode_page_offset += page_size; 563 sequence->command_specific_data.process_state.current_mode_page_processed = TRUE; 564 // No more ata commands to send 565 566 status = SATI_SUCCESS; 567 568 return status; 569 } 570 571 /** 572 * @brief This method will check the validity of parameter data of Power Condition mode 573 * page and issue multiple ATA set feature commands to complete the translation. 574 * 575 * @param[in] mode_select_process_state This parameter points to the processing state fields 576 * of current mode page. 577 * @param[in] page_size This parameter specifies page size of current mode page. 578 * 579 * @return Indicate if the translation was successful. 580 * @retval SATI_SUCCESS 581 * @retval SATI_COMPLETE 582 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 583 */ 584 static 585 SATI_STATUS sati_mode_select_process_mode_page_power_condition( 586 SATI_TRANSLATOR_SEQUENCE_T * sequence, 587 void * scsi_io, 588 void * ata_io, 589 U32 page_size 590 ) 591 { 592 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 593 594 //SCSI_MODE_PAGE_1A_LENGTH 10 595 U8 current_mode_page[SCSI_MODE_PAGE_1A_LENGTH] = {0,0,0,0,0,0,0,0,0,0}; 596 U32 mode_page_offset; 597 U32 index; 598 599 U32 timer = 0; 600 U16 count = 0; 601 602 mode_page_offset = sequence->command_specific_data.process_state.mode_page_offset; 603 604 sequence->type = SATI_SEQUENCE_MODE_SELECT_MODE_POWER_CONDITION; 605 606 for(index = 0; index < SCSI_MODE_PAGE_1A_LENGTH; index++) 607 { 608 sati_get_data_byte(sequence, scsi_io, mode_page_offset+index, ¤t_mode_page[index]); 609 } 610 611 //Check for data validity 612 //SPF(0b); Page length 0x0A; 613 614 if (((current_mode_page[0] & SCSI_MODE_SELECT_MODE_PAGE_SPF_MASK)!= 0) || 615 (current_mode_page[1] != (SCSI_MODE_PAGE_1A_LENGTH - 2) ) || 616 ((current_mode_page[3] & SCSI_MODE_PAGE_POWER_CONDITION_IDLE)!= 0) 617 ) 618 { 619 //parameter data passed in containing data that doesn't meet the SAT-2 requirement 620 return SATI_FAILURE_CHECK_RESPONSE_DATA; 621 } 622 623 // STANDBY bit is set to 0, do nothing since the standby timer can't be set; 624 // STANDBY bit is set to 1, translate the standby timer 625 // SCSI_MODE_PAGE_POWER_CONDITION_STANDBY== 0x01 626 if (current_mode_page[3] & SCSI_MODE_PAGE_POWER_CONDITION_STANDBY) 627 { 628 timer = (current_mode_page[8]<<24) + (current_mode_page[9]<<16) + (current_mode_page[10]<<8) + current_mode_page[11]; 629 630 //If the ATA IDENTIFY DEVICE data word 49, bit 13 is set to one, 631 if (sequence->device->capabilities & SATI_DEVICE_CAP_STANDBY_ENABLE) 632 { 633 if (timer == 0) 634 { 635 //TPV=0 send ATA STANDBY_IMMEDIATE 636 sati_ata_standby_immediate_construct(ata_io, sequence); 637 sequence->command_specific_data.translated_command = ATA_STANDBY_IMMED; 638 } 639 else if ((timer > 0) && (timer <= 12000)) 640 { 641 //1 to 12 000 INT((z - 1) / 50) + 1 642 count = (U16)((timer -1) / 50) + 1; 643 sati_ata_standby_construct(ata_io, sequence, count); 644 } 645 else if ((timer > 12000) && (timer <= 12600)) 646 { 647 //12 001 to 12 600 FCh 648 sati_ata_standby_construct(ata_io, sequence, 0xFC); 649 } 650 else if ((timer > 12600) && (timer <= 12750)) 651 { 652 //12 601 to 12 750 FFh 653 sati_ata_standby_construct(ata_io, sequence, 0xFF); 654 } 655 else if ((timer > 12750) && (timer < 18000)) 656 { 657 //12 751 to 17 999 F1h 658 sati_ata_standby_construct(ata_io, sequence, 0xF1); 659 } 660 else if ((timer >= 18000) && (timer <= 198000)) 661 { 662 //18 000 to 198 000 INT(z / 18 000) + 240 663 count = (U16)(timer / 18000) + 240; 664 sati_ata_standby_construct(ata_io, sequence, count); 665 } 666 else 667 { 668 //All other values FDh 669 sati_ata_standby_construct(ata_io, sequence, 0xFD); 670 } 671 status = SATI_SUCCESS ; 672 } 673 else 674 { 675 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 676 //If the ATA IDENTIFY DEVICE data word 49, bit 13 is set to 0 677 } 678 } 679 else 680 { 681 status = SATI_COMPLETE; 682 } 683 684 sequence->command_specific_data.process_state.size_of_data_processed += page_size; 685 sequence->command_specific_data.process_state.mode_page_offset += page_size; 686 sequence->command_specific_data.process_state.current_mode_page_processed = TRUE; 687 688 return status; 689 } 690 691 /** 692 * @brief This method will process the mode page. 693 * 694 * 695 * @return Indicate if the translation was successful. 696 * @retval SATI_SUCCESS 697 * @retval SATI_COMPLETE 698 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA 699 */ 700 static 701 SATI_STATUS sati_mode_select_process_mode_page( 702 SATI_TRANSLATOR_SEQUENCE_T* sequence, 703 void * scsi_io, 704 void * ata_io 705 ) 706 { 707 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 708 709 U8 page_code; 710 U32 page_size = 0; // in bytes 711 U32 size_of_data_to_be_processed; 712 713 U8 page_code_byte; 714 U32 mode_page_offset; 715 716 mode_page_offset = sequence->command_specific_data.process_state.mode_page_offset; 717 718 sati_get_data_byte(sequence, scsi_io, mode_page_offset, &page_code_byte); 719 720 // No more pages. 721 if(sequence->command_specific_data.process_state.mode_pages_size > 722 sequence->command_specific_data.process_state.size_of_data_processed) 723 { 724 //SCSI_MODE_SENSE_PAGE_CODE_ENABLE==0x3f same for Mode Select 725 page_code = page_code_byte & SCSI_MODE_SENSE_PAGE_CODE_ENABLE; 726 page_size = sati_mode_select_get_mode_page_size(page_code); 727 size_of_data_to_be_processed = sequence->command_specific_data.process_state.mode_pages_size 728 - sequence->command_specific_data.process_state.size_of_data_processed; 729 730 if( page_size == 0 ) 731 { 732 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 733 } 734 else 735 { 736 // process mode page 737 switch(page_code) 738 { 739 case SCSI_MODE_PAGE_READ_WRITE_ERROR: 740 status = sati_mode_select_process_mode_page_read_write_error_recovery( 741 sequence, 742 scsi_io, 743 page_size 744 ); 745 break; 746 747 case SCSI_MODE_PAGE_DISCONNECT_RECONNECT: 748 status = sati_mode_select_process_mode_page_disconnect_reconnect( 749 &sequence->command_specific_data.process_state, 750 page_size 751 ); 752 break; 753 754 case SCSI_MODE_PAGE_CACHING: 755 status = sati_mode_select_process_mode_page_caching( 756 sequence, 757 scsi_io, 758 ata_io, 759 page_size 760 ); 761 break; 762 763 case SCSI_MODE_PAGE_CONTROL: 764 status = sati_mode_select_process_mode_page_control( 765 sequence, 766 scsi_io, 767 ata_io, 768 page_size 769 ); 770 break; 771 772 case SCSI_MODE_PAGE_INFORMATIONAL_EXCP_CONTROL: 773 status = sati_mode_select_process_mode_page_informational_exception_control( 774 sequence, 775 scsi_io, 776 ata_io, 777 page_size 778 ); 779 break; 780 781 case SCSI_MODE_PAGE_POWER_CONDITION: 782 status = sati_mode_select_process_mode_page_power_condition( 783 sequence, 784 scsi_io, 785 ata_io, 786 page_size 787 ); 788 789 break; 790 791 default: 792 break; 793 } 794 795 } 796 } 797 798 return status; 799 } 800 801 //****************************************************************************** 802 //* P U B L I C M E T H O D S 803 //****************************************************************************** 804 805 /** 806 * @brief This method will translate the SCSI Mode Select 6 byte or 10 byte command 807 * into corresponding ATA commands. Depending upon the capabilities 808 * supported by the target different ATA commands can be selected. 809 * Additionally, in some cases more than a single ATA command may 810 * be required. 811 * 812 * @return Indicate if the command translation succeeded. 813 * @retval SCI_SUCCESS This is returned if the command translation was 814 * successful. 815 * @retval SCI_COMPLETE This is returned if the command translation was 816 * successful and no ATA commands need to be set. 817 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if 818 * sense data has been created as a result of something specified 819 * in the parameter data fields. 820 */ 821 static 822 SATI_STATUS sati_mode_select_translate_command( 823 SATI_TRANSLATOR_SEQUENCE_T * sequence, 824 void * scsi_io, 825 void * ata_io, 826 U32 cdb_size 827 ) 828 { 829 SATI_STATUS status = SATI_FAILURE_CHECK_RESPONSE_DATA; 830 U32 mode_page_offset; 831 U32 block_descriptor_length; 832 U32 index; 833 U16 data_transfer_length; 834 U8 current_mode_parameters[8]={0,0,0,0,0,0,0,0}; 835 U8 * cdb = sati_cb_get_cdb_address(scsi_io); 836 837 // cdb_size must be 6 or 10 838 if(FALSE == (cdb_size == 6 || cdb_size == 10)) 839 { 840 return status; 841 } 842 843 if(sequence->state == SATI_SEQUENCE_STATE_INITIAL) 844 { 845 sequence->command_specific_data.process_state.ata_command_sent_for_cmp = 0; 846 sequence->state = SATI_SEQUENCE_STATE_TRANSLATE_DATA; 847 } 848 849 //First, initializes mode_sel_processing_state 850 if ( sequence->command_specific_data.process_state.ata_command_sent_for_cmp == 0 ) 851 { 852 if (cdb_size == 6) 853 { 854 //CDB byte 4 is the parameter length 855 data_transfer_length = sati_get_cdb_byte(cdb, 4); 856 } 857 else 858 { 859 //CDB byte 7 and 8 for Mode Select 10 860 data_transfer_length = (sati_get_cdb_byte(cdb, 7) << 8) + sati_get_cdb_byte(cdb, 8); 861 } 862 863 sequence->allocation_length = data_transfer_length; 864 865 //Get 8 bytes for headers (4 bytes for Mode Select 6 and 8 bytes for Mode Select 10) 866 for( index = 0; index < 8; index++ ) 867 { 868 sati_get_data_byte(sequence, scsi_io, index, ¤t_mode_parameters[index]); 869 } 870 871 //medium type should be 0 872 if ( sati_mode_select_get_medium_type(current_mode_parameters, cdb_size) != 0 ) 873 { 874 sati_scsi_sense_data_construct( 875 sequence, 876 scsi_io, 877 SCSI_STATUS_CHECK_CONDITION, 878 SCSI_SENSE_ILLEGAL_REQUEST, 879 SCSI_ASC_INVALID_FIELD_IN_PARM_LIST, 880 SCSI_ASCQ_INVALID_FIELD_IN_PARM_LIST 881 ); 882 return status; 883 } 884 885 block_descriptor_length = sati_mode_select_get_mode_block_descriptor_length( 886 current_mode_parameters, 887 cdb_size 888 ); 889 890 mode_page_offset = sati_mode_select_get_mode_page_offset( 891 block_descriptor_length, 892 cdb_size 893 ); 894 895 if(mode_page_offset > data_transfer_length) 896 { 897 sequence->state = SATI_SEQUENCE_STATE_FINAL; 898 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 899 } 900 else 901 { 902 sati_mode_select_initialize_mode_sel_processing_state( 903 sequence, 904 scsi_io, 905 ata_io, 906 data_transfer_length, 907 mode_page_offset 908 ); 909 910 } 911 } 912 913 // move to next mode page 914 if(sequence->command_specific_data.process_state.current_mode_page_processed) 915 { 916 sequence->command_specific_data.process_state.ata_command_sent_for_cmp = 0; 917 sequence->command_specific_data.process_state.current_mode_page_processed = FALSE; 918 } 919 920 status = sati_mode_select_process_mode_page(sequence, scsi_io, ata_io); 921 922 if(sequence->command_specific_data.process_state.current_mode_page_processed != FALSE) 923 { 924 // Done this page 925 sequence->state = SATI_SEQUENCE_STATE_FINAL; 926 } 927 else 928 { 929 sequence->state = SATI_SEQUENCE_STATE_INCOMPLETE; 930 } 931 932 if(status == SATI_FAILURE_CHECK_RESPONSE_DATA) 933 { 934 sequence->state = SATI_SEQUENCE_STATE_FINAL; 935 sati_scsi_sense_data_construct( 936 sequence, 937 scsi_io, 938 SCSI_STATUS_CHECK_CONDITION, 939 SCSI_SENSE_ILLEGAL_REQUEST, 940 SCSI_ASC_INVALID_FIELD_IN_PARM_LIST, 941 SCSI_ASCQ_INVALID_FIELD_IN_PARM_LIST 942 ); 943 } 944 945 return status; 946 } 947 948 /** 949 * @brief This method will call Mode Select 6 Translation command 950 * For more information on the parameters passed to this method, 951 * please reference sati_translate_command(). 952 * 953 * @return Indicate if the command translation succeeded. 954 * @retval SCI_SUCCESS This is returned if the command translation was 955 * successful. 956 * @retval SCI_COMPLETE This is returned if the command translation was 957 * successful and no ATA commands need to be set. 958 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if 959 * sense data has been created as a result of something specified 960 * in the parameter data fields. 961 */ 962 SATI_STATUS sati_mode_select_6_translate_command( 963 SATI_TRANSLATOR_SEQUENCE_T * sequence, 964 void * scsi_io, 965 void * ata_io 966 ) 967 { 968 SATI_STATUS status=SATI_FAILURE; 969 U8 * cdb = sati_cb_get_cdb_address(scsi_io); 970 971 //PF bit needs to be 1 byte1 bit ???1???? 972 if ((sati_get_cdb_byte(cdb, 1) & SCSI_MODE_SELECT_PF_MASK) == !SCSI_MODE_SELECT_PF_BIT) 973 { 974 sati_scsi_sense_data_construct( 975 sequence, 976 scsi_io, 977 SCSI_STATUS_CHECK_CONDITION, 978 SCSI_SENSE_ILLEGAL_REQUEST, 979 SCSI_ASC_INVALID_FIELD_IN_CDB, 980 SCSI_ASCQ_INVALID_FIELD_IN_CDB 981 ); 982 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 983 return status; 984 } 985 986 status=sati_mode_select_translate_command( 987 sequence, 988 scsi_io, 989 ata_io, 990 6 991 ); 992 993 if(status == SATI_FAILURE_CHECK_RESPONSE_DATA) 994 { 995 sati_scsi_sense_data_construct( 996 sequence, 997 scsi_io, 998 SCSI_STATUS_CHECK_CONDITION, 999 SCSI_SENSE_ILLEGAL_REQUEST, 1000 SCSI_ASC_INVALID_FIELD_IN_PARM_LIST, 1001 SCSI_ASCQ_INVALID_FIELD_IN_PARM_LIST 1002 ); 1003 } 1004 return status; 1005 1006 } 1007 1008 /** 1009 * @brief This method will call Mode Select 10 translation command 1010 * For more information on the parameters passed to this method, 1011 * please reference sati_translate_command(). 1012 * 1013 * @return Indicate if the command translation succeeded. 1014 * @retval SCI_SUCCESS This is returned if the command translation was 1015 * successful. 1016 * @retval SCI_COMPLETE This is returned if the command translation was 1017 * successful and no ATA commands need to be set. 1018 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if 1019 * sense data has been created as a result of something specified 1020 * in the parameter data fields. 1021 */ 1022 SATI_STATUS sati_mode_select_10_translate_command( 1023 SATI_TRANSLATOR_SEQUENCE_T * sequence, 1024 void * scsi_io, 1025 void * ata_io 1026 ) 1027 { 1028 SATI_STATUS status=SATI_FAILURE; 1029 U8 * cdb = sati_cb_get_cdb_address(scsi_io); 1030 1031 //PF bit needs to be 1 byte1 bit ???1???? 1032 if ((sati_get_cdb_byte(cdb, 1) & SCSI_MODE_SELECT_PF_MASK) == !SCSI_MODE_SELECT_PF_BIT) 1033 { 1034 sati_scsi_sense_data_construct( 1035 sequence, 1036 scsi_io, 1037 SCSI_STATUS_CHECK_CONDITION, 1038 SCSI_SENSE_ILLEGAL_REQUEST, 1039 SCSI_ASC_INVALID_FIELD_IN_CDB, 1040 SCSI_ASCQ_INVALID_FIELD_IN_CDB 1041 ); 1042 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 1043 return status; 1044 } 1045 1046 status=sati_mode_select_translate_command( 1047 sequence, 1048 scsi_io, 1049 ata_io, 1050 10 1051 ); 1052 1053 if(status == SATI_FAILURE_CHECK_RESPONSE_DATA) 1054 { 1055 sati_scsi_sense_data_construct( 1056 sequence, 1057 scsi_io, 1058 SCSI_STATUS_CHECK_CONDITION, 1059 SCSI_SENSE_ILLEGAL_REQUEST, 1060 SCSI_ASC_INVALID_FIELD_IN_PARM_LIST, 1061 SCSI_ASCQ_INVALID_FIELD_IN_PARM_LIST 1062 ); 1063 } 1064 return status; 1065 } 1066 1067 /** 1068 * @brief This method will conduct error handling for the ATA Set Features command 1069 * that is issued during a Mode Select translation for the Caching Mode 1070 * page. 1071 * 1072 * 1073 * @return Indicate if the command translation succeeded. 1074 * 1075 * @retval SCI_COMPLETE This is returned if the command translation was 1076 * successful and no additional ATA commands need to be set. 1077 * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if 1078 * sense data has been created as a result of an error returned 1079 */ 1080 SATI_STATUS sati_mode_select_translate_response( 1081 SATI_TRANSLATOR_SEQUENCE_T * sequence, 1082 void * scsi_io, 1083 void * ata_io 1084 ) 1085 { 1086 U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io); 1087 SATI_STATUS status = SATI_FAILURE; 1088 1089 if(sati_get_ata_status(register_fis) & ATA_STATUS_REG_ERROR_BIT) 1090 { 1091 sati_scsi_sense_data_construct( 1092 sequence, 1093 scsi_io, 1094 SCSI_STATUS_CHECK_CONDITION, 1095 SCSI_SENSE_ABORTED_COMMAND, 1096 SCSI_ASC_NO_ADDITIONAL_SENSE, 1097 SCSI_ASCQ_NO_ADDITIONAL_SENSE 1098 ); 1099 status = SATI_FAILURE_CHECK_RESPONSE_DATA; 1100 } 1101 else 1102 { 1103 if (sequence->state == SATI_SEQUENCE_STATE_INCOMPLETE) 1104 { 1105 status = SATI_SEQUENCE_INCOMPLETE; 1106 } 1107 else 1108 { 1109 status = SATI_COMPLETE; 1110 } 1111 } 1112 return status; 1113 } 1114 1115 #endif // !defined(DISABLE_SATI_MODE_SELECT) 1116