| 1 | /* Driver for Realtek RTS51xx USB card reader |
| 2 | * |
| 3 | * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2, or (at your option) any |
| 8 | * later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | * Author: |
| 19 | * wwang (wei_wang@realsil.com.cn) |
| 20 | * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China |
| 21 | * Maintainer: |
| 22 | * Edwin Rong (edwin_rong@realsil.com.cn) |
| 23 | * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China |
| 24 | */ |
| 25 | |
| 26 | #include <linux/blkdev.h> |
| 27 | #include <linux/kthread.h> |
| 28 | #include <linux/sched.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <linux/vmalloc.h> |
| 31 | #include <linux/export.h> |
| 32 | |
| 33 | #include <scsi/scsi.h> |
| 34 | #include <scsi/scsi_eh.h> |
| 35 | #include <scsi/scsi_device.h> |
| 36 | |
| 37 | #include "debug.h" |
| 38 | #include "rts51x.h" |
| 39 | #include "rts51x_chip.h" |
| 40 | #include "rts51x_scsi.h" |
| 41 | #include "rts51x_card.h" |
| 42 | #include "rts51x_transport.h" |
| 43 | #include "sd_cprm.h" |
| 44 | #include "ms_mg.h" |
| 45 | #include "trace.h" |
| 46 | |
| 47 | void scsi_show_command(struct scsi_cmnd *srb) |
| 48 | { |
| 49 | char *what = NULL; |
| 50 | int i, unknown_cmd = 0; |
| 51 | |
| 52 | switch (srb->cmnd[0]) { |
| 53 | case TEST_UNIT_READY: |
| 54 | what = (char *)"TEST_UNIT_READY"; |
| 55 | break; |
| 56 | case REZERO_UNIT: |
| 57 | what = (char *)"REZERO_UNIT"; |
| 58 | break; |
| 59 | case REQUEST_SENSE: |
| 60 | what = (char *)"REQUEST_SENSE"; |
| 61 | break; |
| 62 | case FORMAT_UNIT: |
| 63 | what = (char *)"FORMAT_UNIT"; |
| 64 | break; |
| 65 | case READ_BLOCK_LIMITS: |
| 66 | what = (char *)"READ_BLOCK_LIMITS"; |
| 67 | break; |
| 68 | case 0x07: |
| 69 | what = (char *)"REASSIGN_BLOCKS"; |
| 70 | break; |
| 71 | case READ_6: |
| 72 | what = (char *)"READ_6"; |
| 73 | break; |
| 74 | case WRITE_6: |
| 75 | what = (char *)"WRITE_6"; |
| 76 | break; |
| 77 | case SEEK_6: |
| 78 | what = (char *)"SEEK_6"; |
| 79 | break; |
| 80 | case READ_REVERSE: |
| 81 | what = (char *)"READ_REVERSE"; |
| 82 | break; |
| 83 | case WRITE_FILEMARKS: |
| 84 | what = (char *)"WRITE_FILEMARKS"; |
| 85 | break; |
| 86 | case SPACE: |
| 87 | what = (char *)"SPACE"; |
| 88 | break; |
| 89 | case INQUIRY: |
| 90 | what = (char *)"INQUIRY"; |
| 91 | break; |
| 92 | case RECOVER_BUFFERED_DATA: |
| 93 | what = (char *)"RECOVER_BUFFERED_DATA"; |
| 94 | break; |
| 95 | case MODE_SELECT: |
| 96 | what = (char *)"MODE_SELECT"; |
| 97 | break; |
| 98 | case RESERVE: |
| 99 | what = (char *)"RESERVE"; |
| 100 | break; |
| 101 | case RELEASE: |
| 102 | what = (char *)"RELEASE"; |
| 103 | break; |
| 104 | case COPY: |
| 105 | what = (char *)"COPY"; |
| 106 | break; |
| 107 | case ERASE: |
| 108 | what = (char *)"ERASE"; |
| 109 | break; |
| 110 | case MODE_SENSE: |
| 111 | what = (char *)"MODE_SENSE"; |
| 112 | break; |
| 113 | case START_STOP: |
| 114 | what = (char *)"START_STOP"; |
| 115 | break; |
| 116 | case RECEIVE_DIAGNOSTIC: |
| 117 | what = (char *)"RECEIVE_DIAGNOSTIC"; |
| 118 | break; |
| 119 | case SEND_DIAGNOSTIC: |
| 120 | what = (char *)"SEND_DIAGNOSTIC"; |
| 121 | break; |
| 122 | case ALLOW_MEDIUM_REMOVAL: |
| 123 | what = (char *)"ALLOW_MEDIUM_REMOVAL"; |
| 124 | break; |
| 125 | case SET_WINDOW: |
| 126 | what = (char *)"SET_WINDOW"; |
| 127 | break; |
| 128 | case READ_CAPACITY: |
| 129 | what = (char *)"READ_CAPACITY"; |
| 130 | break; |
| 131 | case READ_10: |
| 132 | what = (char *)"READ_10"; |
| 133 | break; |
| 134 | case WRITE_10: |
| 135 | what = (char *)"WRITE_10"; |
| 136 | break; |
| 137 | case SEEK_10: |
| 138 | what = (char *)"SEEK_10"; |
| 139 | break; |
| 140 | case WRITE_VERIFY: |
| 141 | what = (char *)"WRITE_VERIFY"; |
| 142 | break; |
| 143 | case VERIFY: |
| 144 | what = (char *)"VERIFY"; |
| 145 | break; |
| 146 | case SEARCH_HIGH: |
| 147 | what = (char *)"SEARCH_HIGH"; |
| 148 | break; |
| 149 | case SEARCH_EQUAL: |
| 150 | what = (char *)"SEARCH_EQUAL"; |
| 151 | break; |
| 152 | case SEARCH_LOW: |
| 153 | what = (char *)"SEARCH_LOW"; |
| 154 | break; |
| 155 | case SET_LIMITS: |
| 156 | what = (char *)"SET_LIMITS"; |
| 157 | break; |
| 158 | case READ_POSITION: |
| 159 | what = (char *)"READ_POSITION"; |
| 160 | break; |
| 161 | case SYNCHRONIZE_CACHE: |
| 162 | what = (char *)"SYNCHRONIZE_CACHE"; |
| 163 | break; |
| 164 | case LOCK_UNLOCK_CACHE: |
| 165 | what = (char *)"LOCK_UNLOCK_CACHE"; |
| 166 | break; |
| 167 | case READ_DEFECT_DATA: |
| 168 | what = (char *)"READ_DEFECT_DATA"; |
| 169 | break; |
| 170 | case MEDIUM_SCAN: |
| 171 | what = (char *)"MEDIUM_SCAN"; |
| 172 | break; |
| 173 | case COMPARE: |
| 174 | what = (char *)"COMPARE"; |
| 175 | break; |
| 176 | case COPY_VERIFY: |
| 177 | what = (char *)"COPY_VERIFY"; |
| 178 | break; |
| 179 | case WRITE_BUFFER: |
| 180 | what = (char *)"WRITE_BUFFER"; |
| 181 | break; |
| 182 | case READ_BUFFER: |
| 183 | what = (char *)"READ_BUFFER"; |
| 184 | break; |
| 185 | case UPDATE_BLOCK: |
| 186 | what = (char *)"UPDATE_BLOCK"; |
| 187 | break; |
| 188 | case READ_LONG: |
| 189 | what = (char *)"READ_LONG"; |
| 190 | break; |
| 191 | case WRITE_LONG: |
| 192 | what = (char *)"WRITE_LONG"; |
| 193 | break; |
| 194 | case CHANGE_DEFINITION: |
| 195 | what = (char *)"CHANGE_DEFINITION"; |
| 196 | break; |
| 197 | case WRITE_SAME: |
| 198 | what = (char *)"WRITE_SAME"; |
| 199 | break; |
| 200 | case GPCMD_READ_SUBCHANNEL: |
| 201 | what = (char *)"READ SUBCHANNEL"; |
| 202 | break; |
| 203 | case READ_TOC: |
| 204 | what = (char *)"READ_TOC"; |
| 205 | break; |
| 206 | case GPCMD_READ_HEADER: |
| 207 | what = (char *)"READ HEADER"; |
| 208 | break; |
| 209 | case GPCMD_PLAY_AUDIO_10: |
| 210 | what = (char *)"PLAY AUDIO (10)"; |
| 211 | break; |
| 212 | case GPCMD_PLAY_AUDIO_MSF: |
| 213 | what = (char *)"PLAY AUDIO MSF"; |
| 214 | break; |
| 215 | case GPCMD_GET_EVENT_STATUS_NOTIFICATION: |
| 216 | what = (char *)"GET EVENT/STATUS NOTIFICATION"; |
| 217 | break; |
| 218 | case GPCMD_PAUSE_RESUME: |
| 219 | what = (char *)"PAUSE/RESUME"; |
| 220 | break; |
| 221 | case LOG_SELECT: |
| 222 | what = (char *)"LOG_SELECT"; |
| 223 | break; |
| 224 | case LOG_SENSE: |
| 225 | what = (char *)"LOG_SENSE"; |
| 226 | break; |
| 227 | case GPCMD_STOP_PLAY_SCAN: |
| 228 | what = (char *)"STOP PLAY/SCAN"; |
| 229 | break; |
| 230 | case GPCMD_READ_DISC_INFO: |
| 231 | what = (char *)"READ DISC INFORMATION"; |
| 232 | break; |
| 233 | case GPCMD_READ_TRACK_RZONE_INFO: |
| 234 | what = (char *)"READ TRACK INFORMATION"; |
| 235 | break; |
| 236 | case GPCMD_RESERVE_RZONE_TRACK: |
| 237 | what = (char *)"RESERVE TRACK"; |
| 238 | break; |
| 239 | case GPCMD_SEND_OPC: |
| 240 | what = (char *)"SEND OPC"; |
| 241 | break; |
| 242 | case MODE_SELECT_10: |
| 243 | what = (char *)"MODE_SELECT_10"; |
| 244 | break; |
| 245 | case GPCMD_REPAIR_RZONE_TRACK: |
| 246 | what = (char *)"REPAIR TRACK"; |
| 247 | break; |
| 248 | case 0x59: |
| 249 | what = (char *)"READ MASTER CUE"; |
| 250 | break; |
| 251 | case MODE_SENSE_10: |
| 252 | what = (char *)"MODE_SENSE_10"; |
| 253 | break; |
| 254 | case GPCMD_CLOSE_TRACK: |
| 255 | what = (char *)"CLOSE TRACK/SESSION"; |
| 256 | break; |
| 257 | case 0x5C: |
| 258 | what = (char *)"READ BUFFER CAPACITY"; |
| 259 | break; |
| 260 | case 0x5D: |
| 261 | what = (char *)"SEND CUE SHEET"; |
| 262 | break; |
| 263 | case GPCMD_BLANK: |
| 264 | what = (char *)"BLANK"; |
| 265 | break; |
| 266 | case REPORT_LUNS: |
| 267 | what = (char *)"REPORT LUNS"; |
| 268 | break; |
| 269 | case MOVE_MEDIUM: |
| 270 | what = (char *)"MOVE_MEDIUM or PLAY AUDIO (12)"; |
| 271 | break; |
| 272 | case READ_12: |
| 273 | what = (char *)"READ_12"; |
| 274 | break; |
| 275 | case WRITE_12: |
| 276 | what = (char *)"WRITE_12"; |
| 277 | break; |
| 278 | case WRITE_VERIFY_12: |
| 279 | what = (char *)"WRITE_VERIFY_12"; |
| 280 | break; |
| 281 | case SEARCH_HIGH_12: |
| 282 | what = (char *)"SEARCH_HIGH_12"; |
| 283 | break; |
| 284 | case SEARCH_EQUAL_12: |
| 285 | what = (char *)"SEARCH_EQUAL_12"; |
| 286 | break; |
| 287 | case SEARCH_LOW_12: |
| 288 | what = (char *)"SEARCH_LOW_12"; |
| 289 | break; |
| 290 | case SEND_VOLUME_TAG: |
| 291 | what = (char *)"SEND_VOLUME_TAG"; |
| 292 | break; |
| 293 | case READ_ELEMENT_STATUS: |
| 294 | what = (char *)"READ_ELEMENT_STATUS"; |
| 295 | break; |
| 296 | case GPCMD_READ_CD_MSF: |
| 297 | what = (char *)"READ CD MSF"; |
| 298 | break; |
| 299 | case GPCMD_SCAN: |
| 300 | what = (char *)"SCAN"; |
| 301 | break; |
| 302 | case GPCMD_SET_SPEED: |
| 303 | what = (char *)"SET CD SPEED"; |
| 304 | break; |
| 305 | case GPCMD_MECHANISM_STATUS: |
| 306 | what = (char *)"MECHANISM STATUS"; |
| 307 | break; |
| 308 | case GPCMD_READ_CD: |
| 309 | what = (char *)"READ CD"; |
| 310 | break; |
| 311 | case 0xE1: |
| 312 | what = (char *)"WRITE CONTINUE"; |
| 313 | break; |
| 314 | case WRITE_LONG_2: |
| 315 | what = (char *)"WRITE_LONG_2"; |
| 316 | break; |
| 317 | case VENDOR_CMND: |
| 318 | what = (char *)"Realtek's vendor command"; |
| 319 | break; |
| 320 | default: |
| 321 | what = (char *)"(unknown command)"; |
| 322 | unknown_cmd = 1; |
| 323 | break; |
| 324 | } |
| 325 | |
| 326 | if (srb->cmnd[0] != TEST_UNIT_READY) |
| 327 | RTS51X_DEBUGP("Command %s (%d bytes)\n", what, srb->cmd_len); |
| 328 | if (unknown_cmd) { |
| 329 | RTS51X_DEBUGP(""); |
| 330 | for (i = 0; i < srb->cmd_len && i < 16; i++) |
| 331 | RTS51X_DEBUGPN(" %02x", srb->cmnd[i]); |
| 332 | RTS51X_DEBUGPN("\n"); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | void set_sense_type(struct rts51x_chip *chip, unsigned int lun, int sense_type) |
| 337 | { |
| 338 | switch (sense_type) { |
| 339 | case SENSE_TYPE_MEDIA_CHANGE: |
| 340 | set_sense_data(chip, lun, CUR_ERR, 0x06, 0, 0x28, 0, 0, 0); |
| 341 | break; |
| 342 | |
| 343 | case SENSE_TYPE_MEDIA_NOT_PRESENT: |
| 344 | set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x3A, 0, 0, 0); |
| 345 | break; |
| 346 | |
| 347 | case SENSE_TYPE_MEDIA_LBA_OVER_RANGE: |
| 348 | set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x21, 0, 0, 0); |
| 349 | break; |
| 350 | |
| 351 | case SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT: |
| 352 | set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x25, 0, 0, 0); |
| 353 | break; |
| 354 | |
| 355 | case SENSE_TYPE_MEDIA_WRITE_PROTECT: |
| 356 | set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x27, 0, 0, 0); |
| 357 | break; |
| 358 | |
| 359 | case SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR: |
| 360 | set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x11, 0, 0, 0); |
| 361 | break; |
| 362 | |
| 363 | case SENSE_TYPE_MEDIA_WRITE_ERR: |
| 364 | set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x02, 0, 0); |
| 365 | break; |
| 366 | |
| 367 | case SENSE_TYPE_MEDIA_INVALID_CMD_FIELD: |
| 368 | set_sense_data(chip, lun, CUR_ERR, ILGAL_REQ, 0, |
| 369 | ASC_INVLD_CDB, ASCQ_INVLD_CDB, CDB_ILLEGAL, 1); |
| 370 | break; |
| 371 | |
| 372 | case SENSE_TYPE_FORMAT_CMD_FAILED: |
| 373 | set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x31, 0x01, 0, 0); |
| 374 | break; |
| 375 | |
| 376 | #ifdef SUPPORT_MAGIC_GATE |
| 377 | case SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB: |
| 378 | set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x02, 0, 0); |
| 379 | break; |
| 380 | |
| 381 | case SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN: |
| 382 | set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x00, 0, 0); |
| 383 | break; |
| 384 | |
| 385 | case SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM: |
| 386 | set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x30, 0x00, 0, 0); |
| 387 | break; |
| 388 | |
| 389 | case SENSE_TYPE_MG_WRITE_ERR: |
| 390 | set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x00, 0, 0); |
| 391 | break; |
| 392 | #endif |
| 393 | |
| 394 | case SENSE_TYPE_NO_SENSE: |
| 395 | default: |
| 396 | set_sense_data(chip, lun, CUR_ERR, 0, 0, 0, 0, 0, 0); |
| 397 | break; |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | void set_sense_data(struct rts51x_chip *chip, unsigned int lun, u8 err_code, |
| 402 | u8 sense_key, u32 info, u8 asc, u8 ascq, u8 sns_key_info0, |
| 403 | u16 sns_key_info1) |
| 404 | { |
| 405 | struct sense_data_t *sense = &(chip->sense_buffer[lun]); |
| 406 | |
| 407 | sense->err_code = err_code; |
| 408 | sense->sense_key = sense_key; |
| 409 | sense->info[0] = (u8) (info >> 24); |
| 410 | sense->info[1] = (u8) (info >> 16); |
| 411 | sense->info[2] = (u8) (info >> 8); |
| 412 | sense->info[3] = (u8) info; |
| 413 | |
| 414 | sense->ad_sense_len = sizeof(struct sense_data_t) - 8; |
| 415 | sense->asc = asc; |
| 416 | sense->ascq = ascq; |
| 417 | if (sns_key_info0 != 0) { |
| 418 | sense->sns_key_info[0] = SKSV | sns_key_info0; |
| 419 | sense->sns_key_info[1] = (sns_key_info1 & 0xf0) >> 8; |
| 420 | sense->sns_key_info[2] = sns_key_info1 & 0x0f; |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | static int test_unit_ready(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 425 | { |
| 426 | unsigned int lun = SCSI_LUN(srb); |
| 427 | |
| 428 | rts51x_init_cards(chip); |
| 429 | |
| 430 | if (!check_card_ready(chip, lun)) { |
| 431 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 432 | return TRANSPORT_FAILED; |
| 433 | } |
| 434 | |
| 435 | if (!check_lun_mc(chip, lun)) { |
| 436 | set_lun_mc(chip, lun); |
| 437 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
| 438 | return TRANSPORT_FAILED; |
| 439 | } |
| 440 | |
| 441 | return TRANSPORT_GOOD; |
| 442 | } |
| 443 | |
| 444 | unsigned char formatter_inquiry_str[20] = { |
| 445 | 'M', 'E', 'M', 'O', 'R', 'Y', 'S', 'T', 'I', 'C', 'K', |
| 446 | '-', 'M', 'G', /* Byte[47:49] */ |
| 447 | 0x0B, /* Byte[50]: MG, MS, MSPro, MSXC */ |
| 448 | 0x00, /* Byte[51]: Category Specific Commands */ |
| 449 | 0x00, /* Byte[52]: Access Control and feature */ |
| 450 | 0x20, 0x20, 0x20, /* Byte[53:55] */ |
| 451 | }; |
| 452 | |
| 453 | static int inquiry(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 454 | { |
| 455 | unsigned int lun = SCSI_LUN(srb); |
| 456 | char *inquiry_default = (char *)"Generic-xD/SD/M.S. 1.00 "; |
| 457 | char *inquiry_string; |
| 458 | unsigned char sendbytes; |
| 459 | unsigned char *buf; |
| 460 | u8 card = get_lun_card(chip, lun); |
| 461 | int pro_formatter_flag = 0; |
| 462 | unsigned char inquiry_buf[] = { |
| 463 | QULIFIRE | DRCT_ACCESS_DEV, |
| 464 | RMB_DISC | 0x0D, |
| 465 | 0x00, |
| 466 | 0x01, |
| 467 | 0x1f, |
| 468 | 0x02, |
| 469 | 0, |
| 470 | REL_ADR | WBUS_32 | WBUS_16 | SYNC | LINKED | CMD_QUE | SFT_RE, |
| 471 | }; |
| 472 | |
| 473 | inquiry_string = inquiry_default; |
| 474 | |
| 475 | buf = vmalloc(scsi_bufflen(srb)); |
| 476 | if (buf == NULL) |
| 477 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 478 | |
| 479 | if (MS_FORMATTER_ENABLED(chip) && (get_lun2card(chip, lun) & MS_CARD)) { |
| 480 | if (!card || (card == MS_CARD)) |
| 481 | pro_formatter_flag = 1; |
| 482 | } |
| 483 | |
| 484 | if (pro_formatter_flag) { |
| 485 | if (scsi_bufflen(srb) < 56) |
| 486 | sendbytes = (unsigned char)(scsi_bufflen(srb)); |
| 487 | else |
| 488 | sendbytes = 56; |
| 489 | } else { |
| 490 | if (scsi_bufflen(srb) < 36) |
| 491 | sendbytes = (unsigned char)(scsi_bufflen(srb)); |
| 492 | else |
| 493 | sendbytes = 36; |
| 494 | } |
| 495 | |
| 496 | if (sendbytes > 8) { |
| 497 | memcpy(buf, inquiry_buf, 8); |
| 498 | memcpy(buf + 8, inquiry_string, sendbytes - 8); |
| 499 | if (pro_formatter_flag) |
| 500 | buf[4] = 0x33; /* Additional Length */ |
| 501 | } else { |
| 502 | memcpy(buf, inquiry_buf, sendbytes); |
| 503 | } |
| 504 | |
| 505 | if (pro_formatter_flag) { |
| 506 | if (sendbytes > 36) |
| 507 | memcpy(buf + 36, formatter_inquiry_str, sendbytes - 36); |
| 508 | } |
| 509 | |
| 510 | scsi_set_resid(srb, 0); |
| 511 | |
| 512 | rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); |
| 513 | vfree(buf); |
| 514 | |
| 515 | return TRANSPORT_GOOD; |
| 516 | } |
| 517 | |
| 518 | static int start_stop_unit(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 519 | { |
| 520 | unsigned int lun = SCSI_LUN(srb); |
| 521 | |
| 522 | scsi_set_resid(srb, scsi_bufflen(srb)); |
| 523 | |
| 524 | if (srb->cmnd[1] == 1) |
| 525 | return TRANSPORT_GOOD; |
| 526 | |
| 527 | switch (srb->cmnd[0x4]) { |
| 528 | case STOP_MEDIUM: |
| 529 | /* Media disabled */ |
| 530 | return TRANSPORT_GOOD; |
| 531 | |
| 532 | case UNLOAD_MEDIUM: |
| 533 | /* Media shall be unload */ |
| 534 | if (check_card_ready(chip, lun)) |
| 535 | eject_card(chip, lun); |
| 536 | return TRANSPORT_GOOD; |
| 537 | |
| 538 | case MAKE_MEDIUM_READY: |
| 539 | case LOAD_MEDIUM: |
| 540 | if (check_card_ready(chip, lun)) { |
| 541 | return TRANSPORT_GOOD; |
| 542 | } else { |
| 543 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 544 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 545 | } |
| 546 | |
| 547 | break; |
| 548 | } |
| 549 | |
| 550 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 551 | } |
| 552 | |
| 553 | static int allow_medium_removal(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 554 | { |
| 555 | int prevent; |
| 556 | |
| 557 | prevent = srb->cmnd[4] & 0x1; |
| 558 | |
| 559 | scsi_set_resid(srb, 0); |
| 560 | |
| 561 | if (prevent) { |
| 562 | set_sense_type(chip, SCSI_LUN(srb), |
| 563 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 564 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 565 | } |
| 566 | |
| 567 | return TRANSPORT_GOOD; |
| 568 | } |
| 569 | |
| 570 | static void ms_mode_sense(struct rts51x_chip *chip, u8 cmd, |
| 571 | int lun, u8 *buf, int buf_len) |
| 572 | { |
| 573 | struct ms_info *ms_card = &(chip->ms_card); |
| 574 | int sys_info_offset; |
| 575 | int data_size = buf_len; |
| 576 | int support_format = 0; |
| 577 | int i = 0; |
| 578 | |
| 579 | if (cmd == MODE_SENSE) { |
| 580 | sys_info_offset = 8; |
| 581 | if (data_size > 0x68) |
| 582 | data_size = 0x68; |
| 583 | buf[i++] = 0x67; /* Mode Data Length */ |
| 584 | } else { |
| 585 | sys_info_offset = 12; |
| 586 | if (data_size > 0x6C) |
| 587 | data_size = 0x6C; |
| 588 | buf[i++] = 0x00; /* Mode Data Length (MSB) */ |
| 589 | buf[i++] = 0x6A; /* Mode Data Length (LSB) */ |
| 590 | } |
| 591 | |
| 592 | /* Medium Type Code */ |
| 593 | if (check_card_ready(chip, lun)) { |
| 594 | if (CHK_MSXC(ms_card)) { |
| 595 | support_format = 1; |
| 596 | buf[i++] = 0x40; |
| 597 | } else if (CHK_MSPRO(ms_card)) { |
| 598 | support_format = 1; |
| 599 | buf[i++] = 0x20; |
| 600 | } else { |
| 601 | buf[i++] = 0x10; |
| 602 | } |
| 603 | |
| 604 | /* WP */ |
| 605 | if (check_card_wp(chip, lun)) |
| 606 | buf[i++] = 0x80; |
| 607 | else |
| 608 | buf[i++] = 0x00; |
| 609 | } else { |
| 610 | buf[i++] = 0x00; /* MediaType */ |
| 611 | buf[i++] = 0x00; /* WP */ |
| 612 | } |
| 613 | |
| 614 | buf[i++] = 0x00; /* Reserved */ |
| 615 | |
| 616 | if (cmd == MODE_SENSE_10) { |
| 617 | buf[i++] = 0x00; /* Reserved */ |
| 618 | buf[i++] = 0x00; /* Block descriptor length(MSB) */ |
| 619 | buf[i++] = 0x00; /* Block descriptor length(LSB) */ |
| 620 | |
| 621 | /* The Following Data is the content of "Page 0x20" */ |
| 622 | if (data_size >= 9) |
| 623 | buf[i++] = 0x20; /* Page Code */ |
| 624 | if (data_size >= 10) |
| 625 | buf[i++] = 0x62; /* Page Length */ |
| 626 | if (data_size >= 11) |
| 627 | buf[i++] = 0x00; /* No Access Control */ |
| 628 | if (data_size >= 12) { |
| 629 | if (support_format) |
| 630 | buf[i++] = 0xC0; /* SF, SGM */ |
| 631 | else |
| 632 | buf[i++] = 0x00; |
| 633 | } |
| 634 | } else { |
| 635 | /* The Following Data is the content of "Page 0x20" */ |
| 636 | if (data_size >= 5) |
| 637 | buf[i++] = 0x20; /* Page Code */ |
| 638 | if (data_size >= 6) |
| 639 | buf[i++] = 0x62; /* Page Length */ |
| 640 | if (data_size >= 7) |
| 641 | buf[i++] = 0x00; /* No Access Control */ |
| 642 | if (data_size >= 8) { |
| 643 | if (support_format) |
| 644 | buf[i++] = 0xC0; /* SF, SGM */ |
| 645 | else |
| 646 | buf[i++] = 0x00; |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | if (data_size > sys_info_offset) { |
| 651 | /* 96 Bytes Attribute Data */ |
| 652 | int len = data_size - sys_info_offset; |
| 653 | len = (len < 96) ? len : 96; |
| 654 | |
| 655 | memcpy(buf + sys_info_offset, ms_card->raw_sys_info, len); |
| 656 | } |
| 657 | } |
| 658 | |
| 659 | static int mode_sense(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 660 | { |
| 661 | unsigned int lun = SCSI_LUN(srb); |
| 662 | unsigned int dataSize; |
| 663 | int status; |
| 664 | int pro_formatter_flag; |
| 665 | unsigned char pageCode, *buf; |
| 666 | u8 card = get_lun_card(chip, lun); |
| 667 | |
| 668 | if (!check_card_ready(chip, lun)) { |
| 669 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 670 | scsi_set_resid(srb, scsi_bufflen(srb)); |
| 671 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 672 | } |
| 673 | |
| 674 | pro_formatter_flag = 0; |
| 675 | dataSize = 8; |
| 676 | /* In Combo mode, device responses ModeSense command as a MS LUN |
| 677 | * when no card is inserted */ |
| 678 | if ((get_lun2card(chip, lun) & MS_CARD)) { |
| 679 | if (!card || (card == MS_CARD)) { |
| 680 | dataSize = 108; |
| 681 | if (chip->option.mspro_formatter_enable) |
| 682 | pro_formatter_flag = 1; |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | buf = kmalloc(dataSize, GFP_KERNEL); |
| 687 | if (buf == NULL) |
| 688 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 689 | |
| 690 | pageCode = srb->cmnd[2] & 0x3f; |
| 691 | |
| 692 | if ((pageCode == 0x3F) || (pageCode == 0x1C) || |
| 693 | (pageCode == 0x00) || (pro_formatter_flag && (pageCode == 0x20))) { |
| 694 | if (srb->cmnd[0] == MODE_SENSE) { |
| 695 | if ((pageCode == 0x3F) || (pageCode == 0x20)) { |
| 696 | ms_mode_sense(chip, srb->cmnd[0], lun, buf, |
| 697 | dataSize); |
| 698 | } else { |
| 699 | dataSize = 4; |
| 700 | buf[0] = 0x03; |
| 701 | buf[1] = 0x00; |
| 702 | if (check_card_wp(chip, lun)) |
| 703 | buf[2] = 0x80; |
| 704 | else |
| 705 | buf[3] = 0x00; |
| 706 | } |
| 707 | } else { |
| 708 | if ((pageCode == 0x3F) || (pageCode == 0x20)) { |
| 709 | ms_mode_sense(chip, srb->cmnd[0], lun, buf, |
| 710 | dataSize); |
| 711 | } else { |
| 712 | dataSize = 8; |
| 713 | buf[0] = 0x00; |
| 714 | buf[1] = 0x06; |
| 715 | buf[2] = 0x00; |
| 716 | if (check_card_wp(chip, lun)) |
| 717 | buf[3] = 0x80; |
| 718 | else |
| 719 | buf[3] = 0x00; |
| 720 | buf[4] = 0x00; |
| 721 | buf[5] = 0x00; |
| 722 | buf[6] = 0x00; |
| 723 | buf[7] = 0x00; |
| 724 | } |
| 725 | } |
| 726 | status = TRANSPORT_GOOD; |
| 727 | } else { |
| 728 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 729 | scsi_set_resid(srb, scsi_bufflen(srb)); |
| 730 | status = TRANSPORT_FAILED; |
| 731 | } |
| 732 | |
| 733 | if (status == TRANSPORT_GOOD) { |
| 734 | unsigned int len = min(scsi_bufflen(srb), dataSize); |
| 735 | rts51x_set_xfer_buf(buf, len, srb); |
| 736 | scsi_set_resid(srb, scsi_bufflen(srb) - len); |
| 737 | } |
| 738 | kfree(buf); |
| 739 | |
| 740 | return status; |
| 741 | } |
| 742 | |
| 743 | static int request_sense(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 744 | { |
| 745 | struct sense_data_t *sense; |
| 746 | unsigned int lun = SCSI_LUN(srb); |
| 747 | struct ms_info *ms_card = &(chip->ms_card); |
| 748 | unsigned char *tmp, *buf; |
| 749 | |
| 750 | sense = &(chip->sense_buffer[lun]); |
| 751 | |
| 752 | if ((get_lun_card(chip, lun) == MS_CARD) |
| 753 | && PRO_UNDER_FORMATTING(ms_card)) { |
| 754 | mspro_format_sense(chip, lun); |
| 755 | } |
| 756 | |
| 757 | buf = vmalloc(scsi_bufflen(srb)); |
| 758 | if (buf == NULL) |
| 759 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 760 | |
| 761 | tmp = (unsigned char *)sense; |
| 762 | memcpy(buf, tmp, scsi_bufflen(srb)); |
| 763 | |
| 764 | rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); |
| 765 | vfree(buf); |
| 766 | |
| 767 | scsi_set_resid(srb, 0); |
| 768 | /* Reset Sense Data */ |
| 769 | set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); |
| 770 | return TRANSPORT_GOOD; |
| 771 | } |
| 772 | |
| 773 | static int read_write(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 774 | { |
| 775 | unsigned int lun = SCSI_LUN(srb); |
| 776 | int retval; |
| 777 | u32 start_sec; |
| 778 | u16 sec_cnt; |
| 779 | |
| 780 | if (!check_card_ready(chip, lun) || (chip->capacity[lun] == 0)) { |
| 781 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 782 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 783 | } |
| 784 | |
| 785 | if (!check_lun_mc(chip, lun)) { |
| 786 | set_lun_mc(chip, lun); |
| 787 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
| 788 | return TRANSPORT_FAILED; |
| 789 | } |
| 790 | |
| 791 | rts51x_prepare_run(chip); |
| 792 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 793 | |
| 794 | if ((srb->cmnd[0] == READ_10) || (srb->cmnd[0] == WRITE_10)) { |
| 795 | start_sec = |
| 796 | ((u32) srb->cmnd[2] << 24) | |
| 797 | ((u32) srb->cmnd[3] << 16) | |
| 798 | ((u32) srb->cmnd[4] << 8) | |
| 799 | ((u32) srb->cmnd[5]); |
| 800 | sec_cnt = ((u16) (srb->cmnd[7]) << 8) | srb->cmnd[8]; |
| 801 | } else if ((srb->cmnd[0] == READ_6) || (srb->cmnd[0] == WRITE_6)) { |
| 802 | start_sec = ((u32) (srb->cmnd[1] & 0x1F) << 16) | |
| 803 | ((u32) srb->cmnd[2] << 8) | ((u32) srb->cmnd[3]); |
| 804 | sec_cnt = srb->cmnd[4]; |
| 805 | } else if ((srb->cmnd[0] == VENDOR_CMND) && |
| 806 | (srb->cmnd[1] == SCSI_APP_CMD) && |
| 807 | ((srb->cmnd[2] == PP_READ10) || |
| 808 | (srb->cmnd[2] == PP_WRITE10))) { |
| 809 | start_sec = ((u32) srb->cmnd[4] << 24) | |
| 810 | ((u32) srb->cmnd[5] << 16) | |
| 811 | ((u32) srb->cmnd[6] << 8) | |
| 812 | ((u32) srb->cmnd[7]); |
| 813 | sec_cnt = ((u16) (srb->cmnd[9]) << 8) | srb->cmnd[10]; |
| 814 | } else { |
| 815 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 816 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 817 | } |
| 818 | |
| 819 | if ((start_sec > chip->capacity[lun]) || |
| 820 | ((start_sec + sec_cnt) > chip->capacity[lun])) { |
| 821 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LBA_OVER_RANGE); |
| 822 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 823 | } |
| 824 | |
| 825 | if (sec_cnt == 0) { |
| 826 | scsi_set_resid(srb, 0); |
| 827 | return TRANSPORT_GOOD; |
| 828 | } |
| 829 | |
| 830 | if ((srb->sc_data_direction == DMA_TO_DEVICE) |
| 831 | && check_card_wp(chip, lun)) { |
| 832 | RTS51X_DEBUGP("Write protected card!\n"); |
| 833 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); |
| 834 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 835 | } |
| 836 | |
| 837 | retval = card_rw(srb, chip, start_sec, sec_cnt); |
| 838 | if (retval != STATUS_SUCCESS) { |
| 839 | if (srb->sc_data_direction == DMA_FROM_DEVICE) { |
| 840 | set_sense_type(chip, lun, |
| 841 | SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 842 | } else { |
| 843 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); |
| 844 | } |
| 845 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 846 | } |
| 847 | |
| 848 | scsi_set_resid(srb, 0); |
| 849 | |
| 850 | return TRANSPORT_GOOD; |
| 851 | } |
| 852 | |
| 853 | static int read_format_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 854 | { |
| 855 | unsigned char *buf; |
| 856 | unsigned int lun = SCSI_LUN(srb); |
| 857 | unsigned int buf_len; |
| 858 | u8 card = get_lun_card(chip, lun); |
| 859 | int desc_cnt; |
| 860 | int i = 0; |
| 861 | |
| 862 | if (!check_card_ready(chip, lun)) { |
| 863 | if (!chip->option.mspro_formatter_enable) { |
| 864 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 865 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 866 | } |
| 867 | } |
| 868 | |
| 869 | buf_len = (scsi_bufflen(srb) > 12) ? 0x14 : 12; |
| 870 | |
| 871 | buf = kmalloc(buf_len, GFP_KERNEL); |
| 872 | if (buf == NULL) |
| 873 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 874 | |
| 875 | buf[i++] = 0; |
| 876 | buf[i++] = 0; |
| 877 | buf[i++] = 0; |
| 878 | |
| 879 | /* Capacity List Length */ |
| 880 | if ((buf_len > 12) && chip->option.mspro_formatter_enable && |
| 881 | (chip->lun2card[lun] & MS_CARD) && (!card || (card == MS_CARD))) { |
| 882 | buf[i++] = 0x10; |
| 883 | desc_cnt = 2; |
| 884 | } else { |
| 885 | buf[i++] = 0x08; |
| 886 | desc_cnt = 1; |
| 887 | } |
| 888 | |
| 889 | while (desc_cnt) { |
| 890 | if (check_card_ready(chip, lun)) { |
| 891 | buf[i++] = (unsigned char)((chip->capacity[lun]) >> 24); |
| 892 | buf[i++] = (unsigned char)((chip->capacity[lun]) >> 16); |
| 893 | buf[i++] = (unsigned char)((chip->capacity[lun]) >> 8); |
| 894 | buf[i++] = (unsigned char)(chip->capacity[lun]); |
| 895 | |
| 896 | if (desc_cnt == 2) |
| 897 | /* Byte[8]: Descriptor Type: Formatted medium */ |
| 898 | buf[i++] = 2; |
| 899 | else |
| 900 | buf[i++] = 0; /* Byte[16] */ |
| 901 | } else { |
| 902 | buf[i++] = 0xFF; |
| 903 | buf[i++] = 0xFF; |
| 904 | buf[i++] = 0xFF; |
| 905 | buf[i++] = 0xFF; |
| 906 | |
| 907 | if (desc_cnt == 2) |
| 908 | /* Byte[8]: Descriptor Type: No medium */ |
| 909 | buf[i++] = 3; |
| 910 | else |
| 911 | buf[i++] = 0; /*Byte[16] */ |
| 912 | } |
| 913 | |
| 914 | buf[i++] = 0x00; |
| 915 | buf[i++] = 0x02; |
| 916 | buf[i++] = 0x00; |
| 917 | |
| 918 | desc_cnt--; |
| 919 | } |
| 920 | |
| 921 | buf_len = min(scsi_bufflen(srb), buf_len); |
| 922 | rts51x_set_xfer_buf(buf, buf_len, srb); |
| 923 | kfree(buf); |
| 924 | |
| 925 | scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); |
| 926 | |
| 927 | return TRANSPORT_GOOD; |
| 928 | } |
| 929 | |
| 930 | static int read_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 931 | { |
| 932 | unsigned char *buf; |
| 933 | unsigned int lun = SCSI_LUN(srb); |
| 934 | |
| 935 | if (!check_card_ready(chip, lun)) { |
| 936 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 937 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 938 | } |
| 939 | |
| 940 | if (!check_lun_mc(chip, lun)) { |
| 941 | set_lun_mc(chip, lun); |
| 942 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
| 943 | return TRANSPORT_FAILED; |
| 944 | } |
| 945 | |
| 946 | buf = kmalloc(8, GFP_KERNEL); |
| 947 | if (buf == NULL) |
| 948 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 949 | |
| 950 | buf[0] = (unsigned char)((chip->capacity[lun] - 1) >> 24); |
| 951 | buf[1] = (unsigned char)((chip->capacity[lun] - 1) >> 16); |
| 952 | buf[2] = (unsigned char)((chip->capacity[lun] - 1) >> 8); |
| 953 | buf[3] = (unsigned char)(chip->capacity[lun] - 1); |
| 954 | |
| 955 | buf[4] = 0x00; |
| 956 | buf[5] = 0x00; |
| 957 | buf[6] = 0x02; |
| 958 | buf[7] = 0x00; |
| 959 | |
| 960 | rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); |
| 961 | kfree(buf); |
| 962 | |
| 963 | scsi_set_resid(srb, 0); |
| 964 | |
| 965 | return TRANSPORT_GOOD; |
| 966 | } |
| 967 | |
| 968 | static int get_dev_status(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 969 | { |
| 970 | unsigned int lun = SCSI_LUN(srb); |
| 971 | unsigned int buf_len; |
| 972 | u8 status[32] = { 0 }; |
| 973 | |
| 974 | rts51x_pp_status(chip, lun, status, 32); |
| 975 | |
| 976 | buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(status)); |
| 977 | rts51x_set_xfer_buf(status, buf_len, srb); |
| 978 | scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); |
| 979 | |
| 980 | return TRANSPORT_GOOD; |
| 981 | } |
| 982 | |
| 983 | static int read_status(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 984 | { |
| 985 | u8 rts51x_status[16]; |
| 986 | unsigned int buf_len; |
| 987 | unsigned int lun = SCSI_LUN(srb); |
| 988 | |
| 989 | rts51x_read_status(chip, lun, rts51x_status, 16); |
| 990 | |
| 991 | buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(rts51x_status)); |
| 992 | rts51x_set_xfer_buf(rts51x_status, buf_len, srb); |
| 993 | scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); |
| 994 | |
| 995 | return TRANSPORT_GOOD; |
| 996 | } |
| 997 | |
| 998 | static int read_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 999 | { |
| 1000 | unsigned int lun = SCSI_LUN(srb); |
| 1001 | unsigned short addr, len, i; |
| 1002 | int retval; |
| 1003 | u8 *buf; |
| 1004 | |
| 1005 | rts51x_prepare_run(chip); |
| 1006 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1007 | |
| 1008 | addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3]; |
| 1009 | len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5]; |
| 1010 | |
| 1011 | if (addr < 0xe000) { |
| 1012 | RTS51X_DEBUGP("filter!addr=0x%x\n", addr); |
| 1013 | return TRANSPORT_GOOD; |
| 1014 | } |
| 1015 | |
| 1016 | buf = vmalloc(len); |
| 1017 | if (!buf) |
| 1018 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 1019 | |
| 1020 | for (i = 0; i < len; i++) { |
| 1021 | retval = rts51x_ep0_read_register(chip, addr + i, buf + i); |
| 1022 | if (retval != STATUS_SUCCESS) { |
| 1023 | vfree(buf); |
| 1024 | set_sense_type(chip, lun, |
| 1025 | SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 1026 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1027 | } |
| 1028 | } |
| 1029 | |
| 1030 | len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len); |
| 1031 | rts51x_set_xfer_buf(buf, len, srb); |
| 1032 | scsi_set_resid(srb, scsi_bufflen(srb) - len); |
| 1033 | |
| 1034 | vfree(buf); |
| 1035 | |
| 1036 | return TRANSPORT_GOOD; |
| 1037 | } |
| 1038 | |
| 1039 | static int write_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1040 | { |
| 1041 | unsigned int lun = SCSI_LUN(srb); |
| 1042 | unsigned short addr, len, i; |
| 1043 | int retval; |
| 1044 | u8 *buf; |
| 1045 | |
| 1046 | rts51x_prepare_run(chip); |
| 1047 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1048 | |
| 1049 | addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3]; |
| 1050 | len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5]; |
| 1051 | |
| 1052 | if (addr < 0xe000) { |
| 1053 | RTS51X_DEBUGP("filter!addr=0x%x\n", addr); |
| 1054 | return TRANSPORT_GOOD; |
| 1055 | } |
| 1056 | |
| 1057 | len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len); |
| 1058 | buf = vmalloc(len); |
| 1059 | if (!buf) |
| 1060 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 1061 | |
| 1062 | rts51x_get_xfer_buf(buf, len, srb); |
| 1063 | |
| 1064 | for (i = 0; i < len; i++) { |
| 1065 | retval = |
| 1066 | rts51x_ep0_write_register(chip, addr + i, 0xFF, buf[i]); |
| 1067 | if (retval != STATUS_SUCCESS) { |
| 1068 | vfree(buf); |
| 1069 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); |
| 1070 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | vfree(buf); |
| 1075 | scsi_set_resid(srb, scsi_bufflen(srb) - len); |
| 1076 | |
| 1077 | return TRANSPORT_GOOD; |
| 1078 | } |
| 1079 | |
| 1080 | static int get_sd_csd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1081 | { |
| 1082 | struct sd_info *sd_card = &(chip->sd_card); |
| 1083 | unsigned int lun = SCSI_LUN(srb); |
| 1084 | |
| 1085 | if (!check_card_ready(chip, lun)) { |
| 1086 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1087 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1088 | } |
| 1089 | |
| 1090 | if (get_lun_card(chip, lun) != SD_CARD) { |
| 1091 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 1092 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1093 | } |
| 1094 | |
| 1095 | scsi_set_resid(srb, 0); |
| 1096 | rts51x_set_xfer_buf(sd_card->raw_csd, scsi_bufflen(srb), srb); |
| 1097 | |
| 1098 | return TRANSPORT_GOOD; |
| 1099 | } |
| 1100 | |
| 1101 | static int read_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1102 | { |
| 1103 | int retval; |
| 1104 | u8 addr, len, i; |
| 1105 | u8 *buf; |
| 1106 | |
| 1107 | rts51x_prepare_run(chip); |
| 1108 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1109 | |
| 1110 | addr = srb->cmnd[5]; |
| 1111 | len = srb->cmnd[7]; |
| 1112 | |
| 1113 | if (len) { |
| 1114 | buf = vmalloc(len); |
| 1115 | if (!buf) |
| 1116 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 1117 | |
| 1118 | for (i = 0; i < len; i++) { |
| 1119 | retval = |
| 1120 | rts51x_read_phy_register(chip, addr + i, buf + i); |
| 1121 | if (retval != STATUS_SUCCESS) { |
| 1122 | vfree(buf); |
| 1123 | set_sense_type(chip, SCSI_LUN(srb), |
| 1124 | SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 1125 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | len = min(scsi_bufflen(srb), (unsigned int)len); |
| 1130 | rts51x_set_xfer_buf(buf, len, srb); |
| 1131 | scsi_set_resid(srb, scsi_bufflen(srb) - len); |
| 1132 | |
| 1133 | vfree(buf); |
| 1134 | } |
| 1135 | |
| 1136 | return TRANSPORT_GOOD; |
| 1137 | } |
| 1138 | |
| 1139 | static int write_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1140 | { |
| 1141 | int retval; |
| 1142 | u8 addr, len, i; |
| 1143 | u8 *buf; |
| 1144 | |
| 1145 | rts51x_prepare_run(chip); |
| 1146 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1147 | |
| 1148 | addr = srb->cmnd[5]; |
| 1149 | len = srb->cmnd[7]; |
| 1150 | |
| 1151 | if (len) { |
| 1152 | len = min(scsi_bufflen(srb), (unsigned int)len); |
| 1153 | |
| 1154 | buf = vmalloc(len); |
| 1155 | if (buf == NULL) |
| 1156 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 1157 | |
| 1158 | rts51x_get_xfer_buf(buf, len, srb); |
| 1159 | scsi_set_resid(srb, scsi_bufflen(srb) - len); |
| 1160 | |
| 1161 | for (i = 0; i < len; i++) { |
| 1162 | retval = |
| 1163 | rts51x_write_phy_register(chip, addr + i, buf[i]); |
| 1164 | if (retval != STATUS_SUCCESS) { |
| 1165 | vfree(buf); |
| 1166 | set_sense_type(chip, SCSI_LUN(srb), |
| 1167 | SENSE_TYPE_MEDIA_WRITE_ERR); |
| 1168 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | vfree(buf); |
| 1173 | } |
| 1174 | |
| 1175 | return TRANSPORT_GOOD; |
| 1176 | } |
| 1177 | |
| 1178 | static int get_card_bus_width(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1179 | { |
| 1180 | unsigned int lun = SCSI_LUN(srb); |
| 1181 | u8 card, bus_width; |
| 1182 | |
| 1183 | if (!check_card_ready(chip, lun)) { |
| 1184 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1185 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1186 | } |
| 1187 | |
| 1188 | card = get_lun_card(chip, lun); |
| 1189 | if ((card == SD_CARD) || (card == MS_CARD)) { |
| 1190 | bus_width = chip->card_bus_width[lun]; |
| 1191 | } else { |
| 1192 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 1193 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1194 | } |
| 1195 | |
| 1196 | scsi_set_resid(srb, 0); |
| 1197 | rts51x_set_xfer_buf(&bus_width, scsi_bufflen(srb), srb); |
| 1198 | |
| 1199 | return TRANSPORT_GOOD; |
| 1200 | } |
| 1201 | |
| 1202 | #ifdef _MSG_TRACE |
| 1203 | static int trace_msg_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1204 | { |
| 1205 | unsigned char *buf = NULL; |
| 1206 | u8 clear; |
| 1207 | unsigned int buf_len; |
| 1208 | |
| 1209 | buf_len = |
| 1210 | 4 + |
| 1211 | ((2 + MSG_FUNC_LEN + MSG_FILE_LEN + TIME_VAL_LEN) * TRACE_ITEM_CNT); |
| 1212 | |
| 1213 | if ((scsi_bufflen(srb) < buf_len) || (scsi_sglist(srb) == NULL)) { |
| 1214 | set_sense_type(chip, SCSI_LUN(srb), |
| 1215 | SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 1216 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1217 | } |
| 1218 | |
| 1219 | clear = srb->cmnd[2]; |
| 1220 | |
| 1221 | buf = vmalloc(scsi_bufflen(srb)); |
| 1222 | if (buf == NULL) |
| 1223 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 1224 | |
| 1225 | rts51x_trace_msg(chip, buf, clear); |
| 1226 | |
| 1227 | rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); |
| 1228 | vfree(buf); |
| 1229 | |
| 1230 | scsi_set_resid(srb, 0); |
| 1231 | return TRANSPORT_GOOD; |
| 1232 | } |
| 1233 | #endif |
| 1234 | |
| 1235 | static int rw_mem_cmd_buf(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1236 | { |
| 1237 | int retval = STATUS_SUCCESS; |
| 1238 | unsigned int lun = SCSI_LUN(srb); |
| 1239 | u8 cmd_type, mask, value, idx, mode, len; |
| 1240 | u16 addr; |
| 1241 | u32 timeout; |
| 1242 | |
| 1243 | rts51x_prepare_run(chip); |
| 1244 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1245 | |
| 1246 | switch (srb->cmnd[3]) { |
| 1247 | case INIT_BATCHCMD: |
| 1248 | rts51x_init_cmd(chip); |
| 1249 | break; |
| 1250 | |
| 1251 | case ADD_BATCHCMD: |
| 1252 | cmd_type = srb->cmnd[4]; |
| 1253 | if (cmd_type > 2) { |
| 1254 | set_sense_type(chip, lun, |
| 1255 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1256 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1257 | } |
| 1258 | addr = (srb->cmnd[5] << 8) | srb->cmnd[6]; |
| 1259 | mask = srb->cmnd[7]; |
| 1260 | value = srb->cmnd[8]; |
| 1261 | rts51x_add_cmd(chip, cmd_type, addr, mask, value); |
| 1262 | break; |
| 1263 | |
| 1264 | case SEND_BATCHCMD: |
| 1265 | mode = srb->cmnd[4]; |
| 1266 | len = srb->cmnd[5]; |
| 1267 | timeout = |
| 1268 | ((u32) srb->cmnd[6] << 24) | ((u32) srb-> |
| 1269 | cmnd[7] << 16) | ((u32) srb-> |
| 1270 | cmnd[8] << |
| 1271 | 8) | ((u32) |
| 1272 | srb-> |
| 1273 | cmnd |
| 1274 | [9]); |
| 1275 | retval = rts51x_send_cmd(chip, mode, 1000); |
| 1276 | if (retval != STATUS_SUCCESS) { |
| 1277 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); |
| 1278 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1279 | } |
| 1280 | if (mode & STAGE_R) { |
| 1281 | retval = rts51x_get_rsp(chip, len, timeout); |
| 1282 | if (retval != STATUS_SUCCESS) { |
| 1283 | set_sense_type(chip, lun, |
| 1284 | SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 1285 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1286 | } |
| 1287 | } |
| 1288 | break; |
| 1289 | |
| 1290 | case GET_BATCHRSP: |
| 1291 | idx = srb->cmnd[4]; |
| 1292 | value = chip->rsp_buf[idx]; |
| 1293 | if (scsi_bufflen(srb) < 1) { |
| 1294 | set_sense_type(chip, lun, |
| 1295 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1296 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1297 | } |
| 1298 | rts51x_set_xfer_buf(&value, 1, srb); |
| 1299 | scsi_set_resid(srb, 0); |
| 1300 | break; |
| 1301 | |
| 1302 | default: |
| 1303 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1304 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1305 | } |
| 1306 | |
| 1307 | if (retval != STATUS_SUCCESS) { |
| 1308 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); |
| 1309 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1310 | } |
| 1311 | |
| 1312 | return TRANSPORT_GOOD; |
| 1313 | } |
| 1314 | |
| 1315 | static int suit_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1316 | { |
| 1317 | int result; |
| 1318 | |
| 1319 | switch (srb->cmnd[3]) { |
| 1320 | case INIT_BATCHCMD: |
| 1321 | case ADD_BATCHCMD: |
| 1322 | case SEND_BATCHCMD: |
| 1323 | case GET_BATCHRSP: |
| 1324 | result = rw_mem_cmd_buf(srb, chip); |
| 1325 | break; |
| 1326 | default: |
| 1327 | result = TRANSPORT_ERROR; |
| 1328 | } |
| 1329 | |
| 1330 | return result; |
| 1331 | } |
| 1332 | |
| 1333 | static int app_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1334 | { |
| 1335 | int result; |
| 1336 | |
| 1337 | switch (srb->cmnd[2]) { |
| 1338 | case PP_READ10: |
| 1339 | case PP_WRITE10: |
| 1340 | result = read_write(srb, chip); |
| 1341 | break; |
| 1342 | |
| 1343 | case SUIT_CMD: |
| 1344 | result = suit_cmd(srb, chip); |
| 1345 | break; |
| 1346 | |
| 1347 | case READ_PHY: |
| 1348 | result = read_phy_register(srb, chip); |
| 1349 | break; |
| 1350 | |
| 1351 | case WRITE_PHY: |
| 1352 | result = write_phy_register(srb, chip); |
| 1353 | break; |
| 1354 | |
| 1355 | case GET_DEV_STATUS: |
| 1356 | result = get_dev_status(srb, chip); |
| 1357 | break; |
| 1358 | |
| 1359 | default: |
| 1360 | set_sense_type(chip, SCSI_LUN(srb), |
| 1361 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1362 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1363 | } |
| 1364 | |
| 1365 | return result; |
| 1366 | } |
| 1367 | |
| 1368 | static int vendor_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1369 | { |
| 1370 | int result = TRANSPORT_GOOD; |
| 1371 | |
| 1372 | switch (srb->cmnd[1]) { |
| 1373 | case READ_STATUS: |
| 1374 | result = read_status(srb, chip); |
| 1375 | break; |
| 1376 | |
| 1377 | case READ_MEM: |
| 1378 | result = read_mem(srb, chip); |
| 1379 | break; |
| 1380 | |
| 1381 | case WRITE_MEM: |
| 1382 | result = write_mem(srb, chip); |
| 1383 | break; |
| 1384 | |
| 1385 | case GET_BUS_WIDTH: |
| 1386 | result = get_card_bus_width(srb, chip); |
| 1387 | break; |
| 1388 | |
| 1389 | case GET_SD_CSD: |
| 1390 | result = get_sd_csd(srb, chip); |
| 1391 | break; |
| 1392 | |
| 1393 | #ifdef _MSG_TRACE |
| 1394 | case TRACE_MSG: |
| 1395 | result = trace_msg_cmd(srb, chip); |
| 1396 | break; |
| 1397 | #endif |
| 1398 | |
| 1399 | case SCSI_APP_CMD: |
| 1400 | result = app_cmd(srb, chip); |
| 1401 | break; |
| 1402 | |
| 1403 | default: |
| 1404 | set_sense_type(chip, SCSI_LUN(srb), |
| 1405 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1406 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1407 | } |
| 1408 | |
| 1409 | return result; |
| 1410 | } |
| 1411 | |
| 1412 | static int ms_format_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1413 | { |
| 1414 | struct ms_info *ms_card = &(chip->ms_card); |
| 1415 | unsigned int lun = SCSI_LUN(srb); |
| 1416 | int retval, quick_format; |
| 1417 | |
| 1418 | if (get_lun_card(chip, lun) != MS_CARD) { |
| 1419 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); |
| 1420 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1421 | } |
| 1422 | |
| 1423 | if ((srb->cmnd[3] != 0x4D) || (srb->cmnd[4] != 0x47) |
| 1424 | || (srb->cmnd[5] != 0x66) || (srb->cmnd[6] != 0x6D) |
| 1425 | || (srb->cmnd[7] != 0x74)) { |
| 1426 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1427 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1428 | } |
| 1429 | |
| 1430 | if (srb->cmnd[8] & 0x01) |
| 1431 | quick_format = 0; |
| 1432 | else |
| 1433 | quick_format = 1; |
| 1434 | |
| 1435 | if (!(chip->card_ready & MS_CARD)) { |
| 1436 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1437 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1438 | } |
| 1439 | |
| 1440 | if (chip->card_wp & MS_CARD) { |
| 1441 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); |
| 1442 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1443 | } |
| 1444 | |
| 1445 | if (!CHK_MSPRO(ms_card)) { |
| 1446 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); |
| 1447 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1448 | } |
| 1449 | |
| 1450 | rts51x_prepare_run(chip); |
| 1451 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1452 | |
| 1453 | retval = mspro_format(srb, chip, MS_SHORT_DATA_LEN, quick_format); |
| 1454 | if (retval != STATUS_SUCCESS) { |
| 1455 | set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED); |
| 1456 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1457 | } |
| 1458 | |
| 1459 | scsi_set_resid(srb, 0); |
| 1460 | return TRANSPORT_GOOD; |
| 1461 | } |
| 1462 | |
| 1463 | #ifdef SUPPORT_PCGL_1P18 |
| 1464 | static int get_ms_information(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1465 | { |
| 1466 | struct ms_info *ms_card = &(chip->ms_card); |
| 1467 | unsigned int lun = SCSI_LUN(srb); |
| 1468 | u8 dev_info_id, data_len; |
| 1469 | u8 *buf; |
| 1470 | unsigned int buf_len; |
| 1471 | int i; |
| 1472 | |
| 1473 | if (!check_card_ready(chip, lun)) { |
| 1474 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1475 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1476 | } |
| 1477 | if ((get_lun_card(chip, lun) != MS_CARD)) { |
| 1478 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); |
| 1479 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1480 | } |
| 1481 | |
| 1482 | if ((srb->cmnd[2] != 0xB0) || (srb->cmnd[4] != 0x4D) || |
| 1483 | (srb->cmnd[5] != 0x53) || (srb->cmnd[6] != 0x49) || |
| 1484 | (srb->cmnd[7] != 0x44)) { |
| 1485 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1486 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1487 | } |
| 1488 | |
| 1489 | dev_info_id = srb->cmnd[3]; |
| 1490 | if ((CHK_MSXC(ms_card) && (dev_info_id == 0x10)) || |
| 1491 | (!CHK_MSXC(ms_card) && (dev_info_id == 0x13)) || |
| 1492 | !CHK_MSPRO(ms_card)) { |
| 1493 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1494 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1495 | } |
| 1496 | |
| 1497 | if (dev_info_id == 0x15) |
| 1498 | buf_len = data_len = 0x3A; |
| 1499 | else |
| 1500 | buf_len = data_len = 0x6A; |
| 1501 | |
| 1502 | buf = kmalloc(buf_len, GFP_KERNEL); |
| 1503 | if (!buf) |
| 1504 | TRACE_RET(chip, TRANSPORT_ERROR); |
| 1505 | |
| 1506 | i = 0; |
| 1507 | /* GET Memory Stick Media Information Response Header */ |
| 1508 | buf[i++] = 0x00; /* Data length MSB */ |
| 1509 | buf[i++] = data_len; /* Data length LSB */ |
| 1510 | /* Device Information Type Code */ |
| 1511 | if (CHK_MSXC(ms_card)) |
| 1512 | buf[i++] = 0x03; |
| 1513 | else |
| 1514 | buf[i++] = 0x02; |
| 1515 | /* SGM bit */ |
| 1516 | buf[i++] = 0x01; |
| 1517 | /* Reserved */ |
| 1518 | buf[i++] = 0x00; |
| 1519 | buf[i++] = 0x00; |
| 1520 | buf[i++] = 0x00; |
| 1521 | /* Number of Device Information */ |
| 1522 | buf[i++] = 0x01; |
| 1523 | |
| 1524 | /* Device Information Body |
| 1525 | * Device Information ID Number */ |
| 1526 | buf[i++] = dev_info_id; |
| 1527 | /* Device Information Length */ |
| 1528 | if (dev_info_id == 0x15) |
| 1529 | data_len = 0x31; |
| 1530 | else |
| 1531 | data_len = 0x61; |
| 1532 | buf[i++] = 0x00; /* Data length MSB */ |
| 1533 | buf[i++] = data_len; /* Data length LSB */ |
| 1534 | /* Valid Bit */ |
| 1535 | buf[i++] = 0x80; |
| 1536 | if ((dev_info_id == 0x10) || (dev_info_id == 0x13)) { |
| 1537 | /* System Information */ |
| 1538 | memcpy(buf + i, ms_card->raw_sys_info, 96); |
| 1539 | } else { |
| 1540 | /* Model Name */ |
| 1541 | memcpy(buf + i, ms_card->raw_model_name, 48); |
| 1542 | } |
| 1543 | |
| 1544 | rts51x_set_xfer_buf(buf, buf_len, srb); |
| 1545 | |
| 1546 | if (dev_info_id == 0x15) |
| 1547 | scsi_set_resid(srb, scsi_bufflen(srb) - 0x3C); |
| 1548 | else |
| 1549 | scsi_set_resid(srb, scsi_bufflen(srb) - 0x6C); |
| 1550 | |
| 1551 | kfree(buf); |
| 1552 | return STATUS_SUCCESS; |
| 1553 | } |
| 1554 | #endif |
| 1555 | |
| 1556 | static int ms_sp_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1557 | { |
| 1558 | int retval = TRANSPORT_ERROR; |
| 1559 | |
| 1560 | if (srb->cmnd[2] == MS_FORMAT) |
| 1561 | retval = ms_format_cmnd(srb, chip); |
| 1562 | #ifdef SUPPORT_PCGL_1P18 |
| 1563 | else if (srb->cmnd[2] == GET_MS_INFORMATION) |
| 1564 | retval = get_ms_information(srb, chip); |
| 1565 | #endif |
| 1566 | |
| 1567 | return retval; |
| 1568 | } |
| 1569 | |
| 1570 | #ifdef SUPPORT_CPRM |
| 1571 | static int sd_extention_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1572 | { |
| 1573 | unsigned int lun = SCSI_LUN(srb); |
| 1574 | int result; |
| 1575 | |
| 1576 | rts51x_prepare_run(chip); |
| 1577 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1578 | |
| 1579 | sd_cleanup_work(chip); |
| 1580 | |
| 1581 | if (!check_card_ready(chip, lun)) { |
| 1582 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1583 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1584 | } |
| 1585 | if ((get_lun_card(chip, lun) != SD_CARD)) { |
| 1586 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); |
| 1587 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1588 | } |
| 1589 | |
| 1590 | switch (srb->cmnd[0]) { |
| 1591 | case SD_PASS_THRU_MODE: |
| 1592 | result = sd_pass_thru_mode(srb, chip); |
| 1593 | break; |
| 1594 | |
| 1595 | case SD_EXECUTE_NO_DATA: |
| 1596 | result = sd_execute_no_data(srb, chip); |
| 1597 | break; |
| 1598 | |
| 1599 | case SD_EXECUTE_READ: |
| 1600 | result = sd_execute_read_data(srb, chip); |
| 1601 | break; |
| 1602 | |
| 1603 | case SD_EXECUTE_WRITE: |
| 1604 | result = sd_execute_write_data(srb, chip); |
| 1605 | break; |
| 1606 | |
| 1607 | case SD_GET_RSP: |
| 1608 | result = sd_get_cmd_rsp(srb, chip); |
| 1609 | break; |
| 1610 | |
| 1611 | case SD_HW_RST: |
| 1612 | result = sd_hw_rst(srb, chip); |
| 1613 | break; |
| 1614 | |
| 1615 | default: |
| 1616 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1617 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1618 | } |
| 1619 | |
| 1620 | return result; |
| 1621 | } |
| 1622 | #endif |
| 1623 | |
| 1624 | #ifdef SUPPORT_MAGIC_GATE |
| 1625 | static int mg_report_key(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1626 | { |
| 1627 | struct ms_info *ms_card = &(chip->ms_card); |
| 1628 | unsigned int lun = SCSI_LUN(srb); |
| 1629 | int retval; |
| 1630 | u8 key_format; |
| 1631 | |
| 1632 | rts51x_prepare_run(chip); |
| 1633 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1634 | |
| 1635 | ms_cleanup_work(chip); |
| 1636 | |
| 1637 | if (!check_card_ready(chip, lun)) { |
| 1638 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1639 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1640 | } |
| 1641 | if ((get_lun_card(chip, lun) != MS_CARD)) { |
| 1642 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); |
| 1643 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1644 | } |
| 1645 | |
| 1646 | if (srb->cmnd[7] != KC_MG_R_PRO) { |
| 1647 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1648 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1649 | } |
| 1650 | |
| 1651 | if (!CHK_MSPRO(ms_card)) { |
| 1652 | set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); |
| 1653 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1654 | } |
| 1655 | |
| 1656 | key_format = srb->cmnd[10] & 0x3F; |
| 1657 | |
| 1658 | switch (key_format) { |
| 1659 | case KF_GET_LOC_EKB: |
| 1660 | if ((scsi_bufflen(srb) == 0x41C) && |
| 1661 | (srb->cmnd[8] == 0x04) && (srb->cmnd[9] == 0x1C)) { |
| 1662 | retval = mg_get_local_EKB(srb, chip); |
| 1663 | if (retval != STATUS_SUCCESS) |
| 1664 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1665 | } else { |
| 1666 | set_sense_type(chip, lun, |
| 1667 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1668 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1669 | } |
| 1670 | break; |
| 1671 | |
| 1672 | case KF_RSP_CHG: |
| 1673 | if ((scsi_bufflen(srb) == 0x24) && |
| 1674 | (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x24)) { |
| 1675 | retval = mg_get_rsp_chg(srb, chip); |
| 1676 | if (retval != STATUS_SUCCESS) |
| 1677 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1678 | } else { |
| 1679 | set_sense_type(chip, lun, |
| 1680 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1681 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1682 | } |
| 1683 | break; |
| 1684 | |
| 1685 | case KF_GET_ICV: |
| 1686 | ms_card->mg_entry_num = srb->cmnd[5]; |
| 1687 | if ((scsi_bufflen(srb) == 0x404) && |
| 1688 | (srb->cmnd[8] == 0x04) && |
| 1689 | (srb->cmnd[9] == 0x04) && |
| 1690 | (srb->cmnd[2] == 0x00) && |
| 1691 | (srb->cmnd[3] == 0x00) && |
| 1692 | (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) { |
| 1693 | retval = mg_get_ICV(srb, chip); |
| 1694 | if (retval != STATUS_SUCCESS) |
| 1695 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1696 | } else { |
| 1697 | set_sense_type(chip, lun, |
| 1698 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1699 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1700 | } |
| 1701 | break; |
| 1702 | |
| 1703 | default: |
| 1704 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1705 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1706 | } |
| 1707 | |
| 1708 | scsi_set_resid(srb, 0); |
| 1709 | return TRANSPORT_GOOD; |
| 1710 | } |
| 1711 | |
| 1712 | static int mg_send_key(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1713 | { |
| 1714 | struct ms_info *ms_card = &(chip->ms_card); |
| 1715 | unsigned int lun = SCSI_LUN(srb); |
| 1716 | int retval; |
| 1717 | u8 key_format; |
| 1718 | |
| 1719 | rts51x_prepare_run(chip); |
| 1720 | RTS51X_SET_STAT(chip, STAT_RUN); |
| 1721 | |
| 1722 | ms_cleanup_work(chip); |
| 1723 | |
| 1724 | if (!check_card_ready(chip, lun)) { |
| 1725 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 1726 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1727 | } |
| 1728 | if (check_card_wp(chip, lun)) { |
| 1729 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); |
| 1730 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1731 | } |
| 1732 | if ((get_lun_card(chip, lun) != MS_CARD)) { |
| 1733 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); |
| 1734 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1735 | } |
| 1736 | |
| 1737 | if (srb->cmnd[7] != KC_MG_R_PRO) { |
| 1738 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1739 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1740 | } |
| 1741 | |
| 1742 | if (!CHK_MSPRO(ms_card)) { |
| 1743 | set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); |
| 1744 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1745 | } |
| 1746 | |
| 1747 | key_format = srb->cmnd[10] & 0x3F; |
| 1748 | |
| 1749 | switch (key_format) { |
| 1750 | case KF_SET_LEAF_ID: |
| 1751 | if ((scsi_bufflen(srb) == 0x0C) && |
| 1752 | (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { |
| 1753 | retval = mg_set_leaf_id(srb, chip); |
| 1754 | if (retval != STATUS_SUCCESS) |
| 1755 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1756 | } else { |
| 1757 | set_sense_type(chip, lun, |
| 1758 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1759 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1760 | } |
| 1761 | break; |
| 1762 | |
| 1763 | case KF_CHG_HOST: |
| 1764 | if ((scsi_bufflen(srb) == 0x0C) && |
| 1765 | (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { |
| 1766 | retval = mg_chg(srb, chip); |
| 1767 | if (retval != STATUS_SUCCESS) |
| 1768 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1769 | } else { |
| 1770 | set_sense_type(chip, lun, |
| 1771 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1772 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1773 | } |
| 1774 | break; |
| 1775 | |
| 1776 | case KF_RSP_HOST: |
| 1777 | if ((scsi_bufflen(srb) == 0x0C) && |
| 1778 | (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { |
| 1779 | retval = mg_rsp(srb, chip); |
| 1780 | if (retval != STATUS_SUCCESS) |
| 1781 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1782 | } else { |
| 1783 | set_sense_type(chip, lun, |
| 1784 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1785 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1786 | } |
| 1787 | break; |
| 1788 | |
| 1789 | case KF_SET_ICV: |
| 1790 | ms_card->mg_entry_num = srb->cmnd[5]; |
| 1791 | if ((scsi_bufflen(srb) == 0x404) && |
| 1792 | (srb->cmnd[8] == 0x04) && |
| 1793 | (srb->cmnd[9] == 0x04) && |
| 1794 | (srb->cmnd[2] == 0x00) && |
| 1795 | (srb->cmnd[3] == 0x00) && |
| 1796 | (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) { |
| 1797 | retval = mg_set_ICV(srb, chip); |
| 1798 | if (retval != STATUS_SUCCESS) |
| 1799 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1800 | } else { |
| 1801 | set_sense_type(chip, lun, |
| 1802 | SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1803 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1804 | } |
| 1805 | break; |
| 1806 | |
| 1807 | default: |
| 1808 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1809 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1810 | } |
| 1811 | |
| 1812 | scsi_set_resid(srb, 0); |
| 1813 | return TRANSPORT_GOOD; |
| 1814 | } |
| 1815 | #endif |
| 1816 | |
| 1817 | int rts51x_scsi_handler(struct scsi_cmnd *srb, struct rts51x_chip *chip) |
| 1818 | { |
| 1819 | struct ms_info *ms_card = &(chip->ms_card); |
| 1820 | unsigned int lun = SCSI_LUN(srb); |
| 1821 | int result = TRANSPORT_GOOD; |
| 1822 | |
| 1823 | if ((get_lun_card(chip, lun) == MS_CARD) && |
| 1824 | (ms_card->format_status == FORMAT_IN_PROGRESS)) { |
| 1825 | if ((srb->cmnd[0] != REQUEST_SENSE) |
| 1826 | && (srb->cmnd[0] != INQUIRY)) { |
| 1827 | /* Logical Unit Not Ready Format in Progress */ |
| 1828 | set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, |
| 1829 | 0, (u16) (ms_card->progress)); |
| 1830 | TRACE_RET(chip, TRANSPORT_FAILED); |
| 1831 | } |
| 1832 | } |
| 1833 | |
| 1834 | switch (srb->cmnd[0]) { |
| 1835 | case READ_10: |
| 1836 | case WRITE_10: |
| 1837 | case READ_6: |
| 1838 | case WRITE_6: |
| 1839 | result = read_write(srb, chip); |
| 1840 | break; |
| 1841 | |
| 1842 | case TEST_UNIT_READY: |
| 1843 | result = test_unit_ready(srb, chip); |
| 1844 | break; |
| 1845 | |
| 1846 | case INQUIRY: |
| 1847 | result = inquiry(srb, chip); |
| 1848 | break; |
| 1849 | |
| 1850 | case READ_CAPACITY: |
| 1851 | result = read_capacity(srb, chip); |
| 1852 | break; |
| 1853 | |
| 1854 | case START_STOP: |
| 1855 | result = start_stop_unit(srb, chip); |
| 1856 | break; |
| 1857 | |
| 1858 | case ALLOW_MEDIUM_REMOVAL: |
| 1859 | result = allow_medium_removal(srb, chip); |
| 1860 | break; |
| 1861 | |
| 1862 | case REQUEST_SENSE: |
| 1863 | result = request_sense(srb, chip); |
| 1864 | break; |
| 1865 | |
| 1866 | case MODE_SENSE: |
| 1867 | case MODE_SENSE_10: |
| 1868 | result = mode_sense(srb, chip); |
| 1869 | break; |
| 1870 | |
| 1871 | case 0x23: |
| 1872 | result = read_format_capacity(srb, chip); |
| 1873 | break; |
| 1874 | |
| 1875 | case VENDOR_CMND: |
| 1876 | result = vendor_cmnd(srb, chip); |
| 1877 | break; |
| 1878 | |
| 1879 | case MS_SP_CMND: |
| 1880 | result = ms_sp_cmnd(srb, chip); |
| 1881 | break; |
| 1882 | |
| 1883 | #ifdef SUPPORT_CPRM |
| 1884 | case SD_PASS_THRU_MODE: |
| 1885 | case SD_EXECUTE_NO_DATA: |
| 1886 | case SD_EXECUTE_READ: |
| 1887 | case SD_EXECUTE_WRITE: |
| 1888 | case SD_GET_RSP: |
| 1889 | case SD_HW_RST: |
| 1890 | result = sd_extention_cmnd(srb, chip); |
| 1891 | break; |
| 1892 | #endif |
| 1893 | |
| 1894 | #ifdef SUPPORT_MAGIC_GATE |
| 1895 | case CMD_MSPRO_MG_RKEY: |
| 1896 | result = mg_report_key(srb, chip); |
| 1897 | break; |
| 1898 | |
| 1899 | case CMD_MSPRO_MG_SKEY: |
| 1900 | result = mg_send_key(srb, chip); |
| 1901 | break; |
| 1902 | #endif |
| 1903 | |
| 1904 | case FORMAT_UNIT: |
| 1905 | case MODE_SELECT: |
| 1906 | case VERIFY: |
| 1907 | result = TRANSPORT_GOOD; |
| 1908 | break; |
| 1909 | |
| 1910 | default: |
| 1911 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
| 1912 | result = TRANSPORT_FAILED; |
| 1913 | } |
| 1914 | |
| 1915 | return result; |
| 1916 | } |
| 1917 | |
| 1918 | /*********************************************************************** |
| 1919 | * Host functions |
| 1920 | ***********************************************************************/ |
| 1921 | |
| 1922 | int slave_alloc(struct scsi_device *sdev) |
| 1923 | { |
| 1924 | /* |
| 1925 | * Set the INQUIRY transfer length to 36. We don't use any of |
| 1926 | * the extra data and many devices choke if asked for more or |
| 1927 | * less than 36 bytes. |
| 1928 | */ |
| 1929 | sdev->inquiry_len = 36; |
| 1930 | return 0; |
| 1931 | } |
| 1932 | |
| 1933 | int slave_configure(struct scsi_device *sdev) |
| 1934 | { |
| 1935 | /* Scatter-gather buffers (all but the last) must have a length |
| 1936 | * divisible by the bulk maxpacket size. Otherwise a data packet |
| 1937 | * would end up being short, causing a premature end to the data |
| 1938 | * transfer. Since high-speed bulk pipes have a maxpacket size |
| 1939 | * of 512, we'll use that as the scsi device queue's DMA alignment |
| 1940 | * mask. Guaranteeing proper alignment of the first buffer will |
| 1941 | * have the desired effect because, except at the beginning and |
| 1942 | * the end, scatter-gather buffers follow page boundaries. */ |
| 1943 | blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); |
| 1944 | |
| 1945 | /* Set the SCSI level to at least 2. We'll leave it at 3 if that's |
| 1946 | * what is originally reported. We need this to avoid confusing |
| 1947 | * the SCSI layer with devices that report 0 or 1, but need 10-byte |
| 1948 | * commands (ala ATAPI devices behind certain bridges, or devices |
| 1949 | * which simply have broken INQUIRY data). |
| 1950 | * |
| 1951 | * NOTE: This means /dev/sg programs (ala cdrecord) will get the |
| 1952 | * actual information. This seems to be the preference for |
| 1953 | * programs like that. |
| 1954 | * |
| 1955 | * NOTE: This also means that /proc/scsi/scsi and sysfs may report |
| 1956 | * the actual value or the modified one, depending on where the |
| 1957 | * data comes from. |
| 1958 | */ |
| 1959 | if (sdev->scsi_level < SCSI_2) |
| 1960 | sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2; |
| 1961 | |
| 1962 | return 0; |
| 1963 | } |
| 1964 | |
| 1965 | /*********************************************************************** |
| 1966 | * /proc/scsi/ functions |
| 1967 | ***********************************************************************/ |
| 1968 | |
| 1969 | /* we use this macro to help us write into the buffer */ |
| 1970 | #undef SPRINTF |
| 1971 | #define SPRINTF(args...) \ |
| 1972 | do { if (pos < buffer+length) pos += sprintf(pos, ## args); } while (0) |
| 1973 | |
| 1974 | int proc_info(struct Scsi_Host *host, char *buffer, |
| 1975 | char **start, off_t offset, int length, int inout) |
| 1976 | { |
| 1977 | char *pos = buffer; |
| 1978 | |
| 1979 | /* if someone is sending us data, just throw it away */ |
| 1980 | if (inout) |
| 1981 | return length; |
| 1982 | |
| 1983 | /* print the controller name */ |
| 1984 | SPRINTF(" Host scsi%d: %s\n", host->host_no, RTS51X_NAME); |
| 1985 | |
| 1986 | /* print product, vendor, and driver version strings */ |
| 1987 | SPRINTF(" Vendor: Realtek Corp.\n"); |
| 1988 | SPRINTF(" Product: RTS51xx USB Card Reader\n"); |
| 1989 | SPRINTF(" Version: %s\n", DRIVER_VERSION); |
| 1990 | SPRINTF(" Build: %s\n", __TIME__); |
| 1991 | |
| 1992 | /* |
| 1993 | * Calculate start of next buffer, and return value. |
| 1994 | */ |
| 1995 | *start = buffer + offset; |
| 1996 | |
| 1997 | if ((pos - buffer) < offset) |
| 1998 | return 0; |
| 1999 | else if ((pos - buffer - offset) < length) |
| 2000 | return pos - buffer - offset; |
| 2001 | else |
| 2002 | return length; |
| 2003 | } |
| 2004 | |
| 2005 | /* queue a command */ |
| 2006 | /* This is always called with scsi_lock(host) held */ |
| 2007 | int queuecommand_lck(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *)) |
| 2008 | { |
| 2009 | struct rts51x_chip *chip = host_to_rts51x(srb->device->host); |
| 2010 | |
| 2011 | /* check for state-transition errors */ |
| 2012 | if (chip->srb != NULL) { |
| 2013 | RTS51X_DEBUGP("Error in %s: chip->srb = %p\n", |
| 2014 | __func__, chip->srb); |
| 2015 | return SCSI_MLQUEUE_HOST_BUSY; |
| 2016 | } |
| 2017 | |
| 2018 | /* fail the command if we are disconnecting */ |
| 2019 | if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) { |
| 2020 | RTS51X_DEBUGP("Fail command during disconnect\n"); |
| 2021 | srb->result = DID_NO_CONNECT << 16; |
| 2022 | done(srb); |
| 2023 | return 0; |
| 2024 | } |
| 2025 | |
| 2026 | /* enqueue the command and wake up the control thread */ |
| 2027 | srb->scsi_done = done; |
| 2028 | chip->srb = srb; |
| 2029 | complete(&chip->usb->cmnd_ready); |
| 2030 | |
| 2031 | return 0; |
| 2032 | } |
| 2033 | |
| 2034 | DEF_SCSI_QCMD(queuecommand) |
| 2035 | /*********************************************************************** |
| 2036 | * Error handling functions |
| 2037 | ***********************************************************************/ |
| 2038 | /* Command timeout and abort */ |
| 2039 | int command_abort(struct scsi_cmnd *srb) |
| 2040 | { |
| 2041 | struct rts51x_chip *chip = host_to_rts51x(srb->device->host); |
| 2042 | |
| 2043 | RTS51X_DEBUGP("%s called\n", __func__); |
| 2044 | |
| 2045 | /* us->srb together with the TIMED_OUT, RESETTING, and ABORTING |
| 2046 | * bits are protected by the host lock. */ |
| 2047 | scsi_lock(rts51x_to_host(chip)); |
| 2048 | |
| 2049 | /* Is this command still active? */ |
| 2050 | if (chip->srb != srb) { |
| 2051 | scsi_unlock(rts51x_to_host(chip)); |
| 2052 | RTS51X_DEBUGP("-- nothing to abort\n"); |
| 2053 | return FAILED; |
| 2054 | } |
| 2055 | |
| 2056 | /* Set the TIMED_OUT bit. Also set the ABORTING bit, but only if |
| 2057 | * a device reset isn't already in progress (to avoid interfering |
| 2058 | * with the reset). Note that we must retain the host lock while |
| 2059 | * calling usb_stor_stop_transport(); otherwise it might interfere |
| 2060 | * with an auto-reset that begins as soon as we release the lock. */ |
| 2061 | set_bit(FLIDX_TIMED_OUT, &chip->usb->dflags); |
| 2062 | if (!test_bit(FLIDX_RESETTING, &chip->usb->dflags)) { |
| 2063 | set_bit(FLIDX_ABORTING, &chip->usb->dflags); |
| 2064 | /* rts51x_stop_transport(us); */ |
| 2065 | } |
| 2066 | scsi_unlock(rts51x_to_host(chip)); |
| 2067 | |
| 2068 | /* Wait for the aborted command to finish */ |
| 2069 | wait_for_completion(&chip->usb->notify); |
| 2070 | return SUCCESS; |
| 2071 | } |
| 2072 | |
| 2073 | /* This invokes the transport reset mechanism to reset the state of the |
| 2074 | * device */ |
| 2075 | int device_reset(struct scsi_cmnd *srb) |
| 2076 | { |
| 2077 | int result = 0; |
| 2078 | |
| 2079 | RTS51X_DEBUGP("%s called\n", __func__); |
| 2080 | |
| 2081 | return result < 0 ? FAILED : SUCCESS; |
| 2082 | } |
| 2083 | |
| 2084 | /* Simulate a SCSI bus reset by resetting the device's USB port. */ |
| 2085 | int bus_reset(struct scsi_cmnd *srb) |
| 2086 | { |
| 2087 | int result = 0; |
| 2088 | |
| 2089 | RTS51X_DEBUGP("%s called\n", __func__); |
| 2090 | |
| 2091 | return result < 0 ? FAILED : SUCCESS; |
| 2092 | } |
| 2093 | |
| 2094 | static const char *rts5139_info(struct Scsi_Host *host) |
| 2095 | { |
| 2096 | return "SCSI emulation for RTS5139 USB card reader"; |
| 2097 | } |
| 2098 | |
| 2099 | struct scsi_host_template rts51x_host_template = { |
| 2100 | /* basic userland interface stuff */ |
| 2101 | .name = RTS51X_NAME, |
| 2102 | .proc_name = RTS51X_NAME, |
| 2103 | .proc_info = proc_info, |
| 2104 | .info = rts5139_info, |
| 2105 | |
| 2106 | /* command interface -- queued only */ |
| 2107 | .queuecommand = queuecommand, |
| 2108 | |
| 2109 | /* error and abort handlers */ |
| 2110 | .eh_abort_handler = command_abort, |
| 2111 | .eh_device_reset_handler = device_reset, |
| 2112 | .eh_bus_reset_handler = bus_reset, |
| 2113 | |
| 2114 | /* queue commands only, only one command per LUN */ |
| 2115 | .can_queue = 1, |
| 2116 | .cmd_per_lun = 1, |
| 2117 | |
| 2118 | /* unknown initiator id */ |
| 2119 | .this_id = -1, |
| 2120 | |
| 2121 | .slave_alloc = slave_alloc, |
| 2122 | .slave_configure = slave_configure, |
| 2123 | |
| 2124 | /* lots of sg segments can be handled */ |
| 2125 | .sg_tablesize = SG_ALL, |
| 2126 | |
| 2127 | /* limit the total size of a transfer to 120 KB */ |
| 2128 | .max_sectors = 240, |
| 2129 | |
| 2130 | /* merge commands... this seems to help performance, but |
| 2131 | * periodically someone should test to see which setting is more |
| 2132 | * optimal. |
| 2133 | */ |
| 2134 | .use_clustering = 1, |
| 2135 | |
| 2136 | /* emulated HBA */ |
| 2137 | .emulated = 1, |
| 2138 | |
| 2139 | /* we do our own delay after a device or bus reset */ |
| 2140 | .skip_settle_delay = 1, |
| 2141 | |
| 2142 | /* sysfs device attributes */ |
| 2143 | /* .sdev_attrs = sysfs_device_attr_list, */ |
| 2144 | |
| 2145 | /* module management */ |
| 2146 | .module = THIS_MODULE |
| 2147 | }; |
| 2148 | |