Browse code
Add source code of the firmware for the IO Board
Pawel Jablonski authored on 05/06/2023 17:01:27
Showing 1 changed files
| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,1203 @@ |
| 1 |
+/** |
|
| 2 |
+ ****************************************************************************** |
|
| 3 |
+ * @file usbd_msc_scsi.c |
|
| 4 |
+ * @author MCD Application Team |
|
| 5 |
+ * @brief This file provides all the USBD SCSI layer functions. |
|
| 6 |
+ ****************************************************************************** |
|
| 7 |
+ * @attention |
|
| 8 |
+ * |
|
| 9 |
+ * Copyright (c) 2015 STMicroelectronics. |
|
| 10 |
+ * All rights reserved. |
|
| 11 |
+ * |
|
| 12 |
+ * This software is licensed under terms that can be found in the LICENSE file |
|
| 13 |
+ * in the root directory of this software component. |
|
| 14 |
+ * If no LICENSE file comes with this software, it is provided AS-IS. |
|
| 15 |
+ * |
|
| 16 |
+ ****************************************************************************** |
|
| 17 |
+ */ |
|
| 18 |
+ |
|
| 19 |
+/* BSPDependencies |
|
| 20 |
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
|
|
| 21 |
+- "stm32xxxxx_{eval}{discovery}_io.c"
|
|
| 22 |
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
|
|
| 23 |
+EndBSPDependencies */ |
|
| 24 |
+ |
|
| 25 |
+/* Includes ------------------------------------------------------------------*/ |
|
| 26 |
+#include "usbd_msc_bot.h" |
|
| 27 |
+#include "usbd_msc_scsi.h" |
|
| 28 |
+#include "usbd_msc.h" |
|
| 29 |
+#include "usbd_msc_data.h" |
|
| 30 |
+ |
|
| 31 |
+ |
|
| 32 |
+/** @addtogroup STM32_USB_DEVICE_LIBRARY |
|
| 33 |
+ * @{
|
|
| 34 |
+ */ |
|
| 35 |
+ |
|
| 36 |
+ |
|
| 37 |
+/** @defgroup MSC_SCSI |
|
| 38 |
+ * @brief Mass storage SCSI layer module |
|
| 39 |
+ * @{
|
|
| 40 |
+ */ |
|
| 41 |
+ |
|
| 42 |
+/** @defgroup MSC_SCSI_Private_TypesDefinitions |
|
| 43 |
+ * @{
|
|
| 44 |
+ */ |
|
| 45 |
+/** |
|
| 46 |
+ * @} |
|
| 47 |
+ */ |
|
| 48 |
+ |
|
| 49 |
+ |
|
| 50 |
+/** @defgroup MSC_SCSI_Private_Defines |
|
| 51 |
+ * @{
|
|
| 52 |
+ */ |
|
| 53 |
+ |
|
| 54 |
+/** |
|
| 55 |
+ * @} |
|
| 56 |
+ */ |
|
| 57 |
+ |
|
| 58 |
+ |
|
| 59 |
+/** @defgroup MSC_SCSI_Private_Macros |
|
| 60 |
+ * @{
|
|
| 61 |
+ */ |
|
| 62 |
+/** |
|
| 63 |
+ * @} |
|
| 64 |
+ */ |
|
| 65 |
+ |
|
| 66 |
+ |
|
| 67 |
+/** @defgroup MSC_SCSI_Private_Variables |
|
| 68 |
+ * @{
|
|
| 69 |
+ */ |
|
| 70 |
+extern uint8_t MSCInEpAdd; |
|
| 71 |
+extern uint8_t MSCOutEpAdd; |
|
| 72 |
+/** |
|
| 73 |
+ * @} |
|
| 74 |
+ */ |
|
| 75 |
+ |
|
| 76 |
+ |
|
| 77 |
+/** @defgroup MSC_SCSI_Private_FunctionPrototypes |
|
| 78 |
+ * @{
|
|
| 79 |
+ */ |
|
| 80 |
+static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 81 |
+static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 82 |
+static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 83 |
+static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 84 |
+static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 85 |
+static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 86 |
+static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 87 |
+static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 88 |
+static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 89 |
+static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 90 |
+static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 91 |
+static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 92 |
+static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 93 |
+static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 94 |
+static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params); |
|
| 95 |
+static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun, |
|
| 96 |
+ uint32_t blk_offset, uint32_t blk_nbr); |
|
| 97 |
+ |
|
| 98 |
+static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun); |
|
| 99 |
+static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun); |
|
| 100 |
+ |
|
| 101 |
+static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc, |
|
| 102 |
+ uint8_t *pBuff, uint16_t length); |
|
| 103 |
+/** |
|
| 104 |
+ * @} |
|
| 105 |
+ */ |
|
| 106 |
+ |
|
| 107 |
+ |
|
| 108 |
+/** @defgroup MSC_SCSI_Private_Functions |
|
| 109 |
+ * @{
|
|
| 110 |
+ */ |
|
| 111 |
+ |
|
| 112 |
+ |
|
| 113 |
+/** |
|
| 114 |
+ * @brief SCSI_ProcessCmd |
|
| 115 |
+ * Process SCSI commands |
|
| 116 |
+ * @param pdev: device instance |
|
| 117 |
+ * @param lun: Logical unit number |
|
| 118 |
+ * @param params: Command parameters |
|
| 119 |
+ * @retval status |
|
| 120 |
+ */ |
|
| 121 |
+int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd) |
|
| 122 |
+{
|
|
| 123 |
+ int8_t ret; |
|
| 124 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 125 |
+ |
|
| 126 |
+ if (hmsc == NULL) |
|
| 127 |
+ {
|
|
| 128 |
+ return -1; |
|
| 129 |
+ } |
|
| 130 |
+ |
|
| 131 |
+ switch (cmd[0]) |
|
| 132 |
+ {
|
|
| 133 |
+ case SCSI_TEST_UNIT_READY: |
|
| 134 |
+ ret = SCSI_TestUnitReady(pdev, lun, cmd); |
|
| 135 |
+ break; |
|
| 136 |
+ |
|
| 137 |
+ case SCSI_REQUEST_SENSE: |
|
| 138 |
+ ret = SCSI_RequestSense(pdev, lun, cmd); |
|
| 139 |
+ break; |
|
| 140 |
+ |
|
| 141 |
+ case SCSI_INQUIRY: |
|
| 142 |
+ ret = SCSI_Inquiry(pdev, lun, cmd); |
|
| 143 |
+ break; |
|
| 144 |
+ |
|
| 145 |
+ case SCSI_START_STOP_UNIT: |
|
| 146 |
+ ret = SCSI_StartStopUnit(pdev, lun, cmd); |
|
| 147 |
+ break; |
|
| 148 |
+ |
|
| 149 |
+ case SCSI_ALLOW_MEDIUM_REMOVAL: |
|
| 150 |
+ ret = SCSI_AllowPreventRemovable(pdev, lun, cmd); |
|
| 151 |
+ break; |
|
| 152 |
+ |
|
| 153 |
+ case SCSI_MODE_SENSE6: |
|
| 154 |
+ ret = SCSI_ModeSense6(pdev, lun, cmd); |
|
| 155 |
+ break; |
|
| 156 |
+ |
|
| 157 |
+ case SCSI_MODE_SENSE10: |
|
| 158 |
+ ret = SCSI_ModeSense10(pdev, lun, cmd); |
|
| 159 |
+ break; |
|
| 160 |
+ |
|
| 161 |
+ case SCSI_READ_FORMAT_CAPACITIES: |
|
| 162 |
+ ret = SCSI_ReadFormatCapacity(pdev, lun, cmd); |
|
| 163 |
+ break; |
|
| 164 |
+ |
|
| 165 |
+ case SCSI_READ_CAPACITY10: |
|
| 166 |
+ ret = SCSI_ReadCapacity10(pdev, lun, cmd); |
|
| 167 |
+ break; |
|
| 168 |
+ |
|
| 169 |
+ case SCSI_READ_CAPACITY16: |
|
| 170 |
+ ret = SCSI_ReadCapacity16(pdev, lun, cmd); |
|
| 171 |
+ break; |
|
| 172 |
+ |
|
| 173 |
+ case SCSI_READ10: |
|
| 174 |
+ ret = SCSI_Read10(pdev, lun, cmd); |
|
| 175 |
+ break; |
|
| 176 |
+ |
|
| 177 |
+ case SCSI_READ12: |
|
| 178 |
+ ret = SCSI_Read12(pdev, lun, cmd); |
|
| 179 |
+ break; |
|
| 180 |
+ |
|
| 181 |
+ case SCSI_WRITE10: |
|
| 182 |
+ ret = SCSI_Write10(pdev, lun, cmd); |
|
| 183 |
+ break; |
|
| 184 |
+ |
|
| 185 |
+ case SCSI_WRITE12: |
|
| 186 |
+ ret = SCSI_Write12(pdev, lun, cmd); |
|
| 187 |
+ break; |
|
| 188 |
+ |
|
| 189 |
+ case SCSI_VERIFY10: |
|
| 190 |
+ ret = SCSI_Verify10(pdev, lun, cmd); |
|
| 191 |
+ break; |
|
| 192 |
+ |
|
| 193 |
+ default: |
|
| 194 |
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 195 |
+ hmsc->bot_status = USBD_BOT_STATUS_ERROR; |
|
| 196 |
+ ret = -1; |
|
| 197 |
+ break; |
|
| 198 |
+ } |
|
| 199 |
+ |
|
| 200 |
+ return ret; |
|
| 201 |
+} |
|
| 202 |
+ |
|
| 203 |
+ |
|
| 204 |
+/** |
|
| 205 |
+ * @brief SCSI_TestUnitReady |
|
| 206 |
+ * Process SCSI Test Unit Ready Command |
|
| 207 |
+ * @param lun: Logical unit number |
|
| 208 |
+ * @param params: Command parameters |
|
| 209 |
+ * @retval status |
|
| 210 |
+ */ |
|
| 211 |
+static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 212 |
+{
|
|
| 213 |
+ UNUSED(params); |
|
| 214 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 215 |
+ |
|
| 216 |
+ if (hmsc == NULL) |
|
| 217 |
+ {
|
|
| 218 |
+ return -1; |
|
| 219 |
+ } |
|
| 220 |
+ |
|
| 221 |
+ /* case 9 : Hi > D0 */ |
|
| 222 |
+ if (hmsc->cbw.dDataLength != 0U) |
|
| 223 |
+ {
|
|
| 224 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 225 |
+ |
|
| 226 |
+ return -1; |
|
| 227 |
+ } |
|
| 228 |
+ |
|
| 229 |
+ if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) |
|
| 230 |
+ {
|
|
| 231 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 232 |
+ hmsc->bot_state = USBD_BOT_NO_DATA; |
|
| 233 |
+ return -1; |
|
| 234 |
+ } |
|
| 235 |
+ |
|
| 236 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) |
|
| 237 |
+ {
|
|
| 238 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 239 |
+ hmsc->bot_state = USBD_BOT_NO_DATA; |
|
| 240 |
+ |
|
| 241 |
+ return -1; |
|
| 242 |
+ } |
|
| 243 |
+ hmsc->bot_data_length = 0U; |
|
| 244 |
+ |
|
| 245 |
+ return 0; |
|
| 246 |
+} |
|
| 247 |
+ |
|
| 248 |
+ |
|
| 249 |
+/** |
|
| 250 |
+ * @brief SCSI_Inquiry |
|
| 251 |
+ * Process Inquiry command |
|
| 252 |
+ * @param lun: Logical unit number |
|
| 253 |
+ * @param params: Command parameters |
|
| 254 |
+ * @retval status |
|
| 255 |
+ */ |
|
| 256 |
+static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 257 |
+{
|
|
| 258 |
+ uint8_t *pPage; |
|
| 259 |
+ uint16_t len; |
|
| 260 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 261 |
+ |
|
| 262 |
+ if (hmsc == NULL) |
|
| 263 |
+ {
|
|
| 264 |
+ return -1; |
|
| 265 |
+ } |
|
| 266 |
+ |
|
| 267 |
+ if (hmsc->cbw.dDataLength == 0U) |
|
| 268 |
+ {
|
|
| 269 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 270 |
+ return -1; |
|
| 271 |
+ } |
|
| 272 |
+ |
|
| 273 |
+ if ((params[1] & 0x01U) != 0U) /* Evpd is set */ |
|
| 274 |
+ {
|
|
| 275 |
+ if (params[2] == 0U) /* Request for Supported Vital Product Data Pages*/ |
|
| 276 |
+ {
|
|
| 277 |
+ (void)SCSI_UpdateBotData(hmsc, MSC_Page00_Inquiry_Data, LENGTH_INQUIRY_PAGE00); |
|
| 278 |
+ } |
|
| 279 |
+ else if (params[2] == 0x80U) /* Request for VPD page 0x80 Unit Serial Number */ |
|
| 280 |
+ {
|
|
| 281 |
+ (void)SCSI_UpdateBotData(hmsc, MSC_Page80_Inquiry_Data, LENGTH_INQUIRY_PAGE80); |
|
| 282 |
+ } |
|
| 283 |
+ else /* Request Not supported */ |
|
| 284 |
+ {
|
|
| 285 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, |
|
| 286 |
+ INVALID_FIELED_IN_COMMAND); |
|
| 287 |
+ |
|
| 288 |
+ return -1; |
|
| 289 |
+ } |
|
| 290 |
+ } |
|
| 291 |
+ else |
|
| 292 |
+ {
|
|
| 293 |
+ |
|
| 294 |
+ pPage = (uint8_t *) & ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN]; |
|
| 295 |
+ len = (uint16_t)pPage[4] + 5U; |
|
| 296 |
+ |
|
| 297 |
+ if (params[4] <= len) |
|
| 298 |
+ {
|
|
| 299 |
+ len = params[4]; |
|
| 300 |
+ } |
|
| 301 |
+ |
|
| 302 |
+ (void)SCSI_UpdateBotData(hmsc, pPage, len); |
|
| 303 |
+ } |
|
| 304 |
+ |
|
| 305 |
+ return 0; |
|
| 306 |
+} |
|
| 307 |
+ |
|
| 308 |
+ |
|
| 309 |
+/** |
|
| 310 |
+ * @brief SCSI_ReadCapacity10 |
|
| 311 |
+ * Process Read Capacity 10 command |
|
| 312 |
+ * @param lun: Logical unit number |
|
| 313 |
+ * @param params: Command parameters |
|
| 314 |
+ * @retval status |
|
| 315 |
+ */ |
|
| 316 |
+static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 317 |
+{
|
|
| 318 |
+ UNUSED(params); |
|
| 319 |
+ int8_t ret; |
|
| 320 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 321 |
+ |
|
| 322 |
+ if (hmsc == NULL) |
|
| 323 |
+ {
|
|
| 324 |
+ return -1; |
|
| 325 |
+ } |
|
| 326 |
+ |
|
| 327 |
+ ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &hmsc->scsi_blk_nbr, &hmsc->scsi_blk_size); |
|
| 328 |
+ |
|
| 329 |
+ if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) |
|
| 330 |
+ {
|
|
| 331 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 332 |
+ return -1; |
|
| 333 |
+ } |
|
| 334 |
+ |
|
| 335 |
+ hmsc->bot_data[0] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 24); |
|
| 336 |
+ hmsc->bot_data[1] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 16); |
|
| 337 |
+ hmsc->bot_data[2] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 8); |
|
| 338 |
+ hmsc->bot_data[3] = (uint8_t)(hmsc->scsi_blk_nbr - 1U); |
|
| 339 |
+ |
|
| 340 |
+ hmsc->bot_data[4] = (uint8_t)(hmsc->scsi_blk_size >> 24); |
|
| 341 |
+ hmsc->bot_data[5] = (uint8_t)(hmsc->scsi_blk_size >> 16); |
|
| 342 |
+ hmsc->bot_data[6] = (uint8_t)(hmsc->scsi_blk_size >> 8); |
|
| 343 |
+ hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_size); |
|
| 344 |
+ |
|
| 345 |
+ hmsc->bot_data_length = 8U; |
|
| 346 |
+ |
|
| 347 |
+ return 0; |
|
| 348 |
+ |
|
| 349 |
+} |
|
| 350 |
+ |
|
| 351 |
+ |
|
| 352 |
+/** |
|
| 353 |
+ * @brief SCSI_ReadCapacity16 |
|
| 354 |
+ * Process Read Capacity 16 command |
|
| 355 |
+ * @param lun: Logical unit number |
|
| 356 |
+ * @param params: Command parameters |
|
| 357 |
+ * @retval status |
|
| 358 |
+ */ |
|
| 359 |
+static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 360 |
+{
|
|
| 361 |
+ UNUSED(params); |
|
| 362 |
+ uint8_t idx; |
|
| 363 |
+ int8_t ret; |
|
| 364 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 365 |
+ |
|
| 366 |
+ if (hmsc == NULL) |
|
| 367 |
+ {
|
|
| 368 |
+ return -1; |
|
| 369 |
+ } |
|
| 370 |
+ |
|
| 371 |
+ ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &hmsc->scsi_blk_nbr, &hmsc->scsi_blk_size); |
|
| 372 |
+ |
|
| 373 |
+ if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) |
|
| 374 |
+ {
|
|
| 375 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 376 |
+ return -1; |
|
| 377 |
+ } |
|
| 378 |
+ |
|
| 379 |
+ hmsc->bot_data_length = ((uint32_t)params[10] << 24) | |
|
| 380 |
+ ((uint32_t)params[11] << 16) | |
|
| 381 |
+ ((uint32_t)params[12] << 8) | |
|
| 382 |
+ (uint32_t)params[13]; |
|
| 383 |
+ |
|
| 384 |
+ for (idx = 0U; idx < hmsc->bot_data_length; idx++) |
|
| 385 |
+ {
|
|
| 386 |
+ hmsc->bot_data[idx] = 0U; |
|
| 387 |
+ } |
|
| 388 |
+ |
|
| 389 |
+ hmsc->bot_data[4] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 24); |
|
| 390 |
+ hmsc->bot_data[5] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 16); |
|
| 391 |
+ hmsc->bot_data[6] = (uint8_t)((hmsc->scsi_blk_nbr - 1U) >> 8); |
|
| 392 |
+ hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_nbr - 1U); |
|
| 393 |
+ |
|
| 394 |
+ hmsc->bot_data[8] = (uint8_t)(hmsc->scsi_blk_size >> 24); |
|
| 395 |
+ hmsc->bot_data[9] = (uint8_t)(hmsc->scsi_blk_size >> 16); |
|
| 396 |
+ hmsc->bot_data[10] = (uint8_t)(hmsc->scsi_blk_size >> 8); |
|
| 397 |
+ hmsc->bot_data[11] = (uint8_t)(hmsc->scsi_blk_size); |
|
| 398 |
+ |
|
| 399 |
+ hmsc->bot_data_length = ((uint32_t)params[10] << 24) | |
|
| 400 |
+ ((uint32_t)params[11] << 16) | |
|
| 401 |
+ ((uint32_t)params[12] << 8) | |
|
| 402 |
+ (uint32_t)params[13]; |
|
| 403 |
+ |
|
| 404 |
+ return 0; |
|
| 405 |
+} |
|
| 406 |
+ |
|
| 407 |
+ |
|
| 408 |
+/** |
|
| 409 |
+ * @brief SCSI_ReadFormatCapacity |
|
| 410 |
+ * Process Read Format Capacity command |
|
| 411 |
+ * @param lun: Logical unit number |
|
| 412 |
+ * @param params: Command parameters |
|
| 413 |
+ * @retval status |
|
| 414 |
+ */ |
|
| 415 |
+static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 416 |
+{
|
|
| 417 |
+ UNUSED(params); |
|
| 418 |
+ uint16_t blk_size; |
|
| 419 |
+ uint32_t blk_nbr; |
|
| 420 |
+ uint16_t i; |
|
| 421 |
+ int8_t ret; |
|
| 422 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 423 |
+ |
|
| 424 |
+ if (hmsc == NULL) |
|
| 425 |
+ {
|
|
| 426 |
+ return -1; |
|
| 427 |
+ } |
|
| 428 |
+ |
|
| 429 |
+ ret = ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->GetCapacity(lun, &blk_nbr, &blk_size); |
|
| 430 |
+ |
|
| 431 |
+ if ((ret != 0) || (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED)) |
|
| 432 |
+ {
|
|
| 433 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 434 |
+ return -1; |
|
| 435 |
+ } |
|
| 436 |
+ |
|
| 437 |
+ for (i = 0U; i < 12U ; i++) |
|
| 438 |
+ {
|
|
| 439 |
+ hmsc->bot_data[i] = 0U; |
|
| 440 |
+ } |
|
| 441 |
+ |
|
| 442 |
+ hmsc->bot_data[3] = 0x08U; |
|
| 443 |
+ hmsc->bot_data[4] = (uint8_t)((blk_nbr - 1U) >> 24); |
|
| 444 |
+ hmsc->bot_data[5] = (uint8_t)((blk_nbr - 1U) >> 16); |
|
| 445 |
+ hmsc->bot_data[6] = (uint8_t)((blk_nbr - 1U) >> 8); |
|
| 446 |
+ hmsc->bot_data[7] = (uint8_t)(blk_nbr - 1U); |
|
| 447 |
+ |
|
| 448 |
+ hmsc->bot_data[8] = 0x02U; |
|
| 449 |
+ hmsc->bot_data[9] = (uint8_t)(blk_size >> 16); |
|
| 450 |
+ hmsc->bot_data[10] = (uint8_t)(blk_size >> 8); |
|
| 451 |
+ hmsc->bot_data[11] = (uint8_t)(blk_size); |
|
| 452 |
+ |
|
| 453 |
+ hmsc->bot_data_length = 12U; |
|
| 454 |
+ |
|
| 455 |
+ return 0; |
|
| 456 |
+} |
|
| 457 |
+ |
|
| 458 |
+ |
|
| 459 |
+/** |
|
| 460 |
+ * @brief SCSI_ModeSense6 |
|
| 461 |
+ * Process Mode Sense6 command |
|
| 462 |
+ * @param lun: Logical unit number |
|
| 463 |
+ * @param params: Command parameters |
|
| 464 |
+ * @retval status |
|
| 465 |
+ */ |
|
| 466 |
+static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 467 |
+{
|
|
| 468 |
+ UNUSED(lun); |
|
| 469 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 470 |
+ uint16_t len = MODE_SENSE6_LEN; |
|
| 471 |
+ |
|
| 472 |
+ if (hmsc == NULL) |
|
| 473 |
+ {
|
|
| 474 |
+ return -1; |
|
| 475 |
+ } |
|
| 476 |
+ |
|
| 477 |
+ if (params[4] <= len) |
|
| 478 |
+ {
|
|
| 479 |
+ len = params[4]; |
|
| 480 |
+ } |
|
| 481 |
+ |
|
| 482 |
+ (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense6_data, len); |
|
| 483 |
+ |
|
| 484 |
+ return 0; |
|
| 485 |
+} |
|
| 486 |
+ |
|
| 487 |
+ |
|
| 488 |
+/** |
|
| 489 |
+ * @brief SCSI_ModeSense10 |
|
| 490 |
+ * Process Mode Sense10 command |
|
| 491 |
+ * @param lun: Logical unit number |
|
| 492 |
+ * @param params: Command parameters |
|
| 493 |
+ * @retval status |
|
| 494 |
+ */ |
|
| 495 |
+static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 496 |
+{
|
|
| 497 |
+ UNUSED(lun); |
|
| 498 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 499 |
+ uint16_t len = MODE_SENSE10_LEN; |
|
| 500 |
+ |
|
| 501 |
+ if (hmsc == NULL) |
|
| 502 |
+ {
|
|
| 503 |
+ return -1; |
|
| 504 |
+ } |
|
| 505 |
+ |
|
| 506 |
+ if (params[8] <= len) |
|
| 507 |
+ {
|
|
| 508 |
+ len = params[8]; |
|
| 509 |
+ } |
|
| 510 |
+ |
|
| 511 |
+ (void)SCSI_UpdateBotData(hmsc, MSC_Mode_Sense10_data, len); |
|
| 512 |
+ |
|
| 513 |
+ return 0; |
|
| 514 |
+} |
|
| 515 |
+ |
|
| 516 |
+ |
|
| 517 |
+/** |
|
| 518 |
+ * @brief SCSI_RequestSense |
|
| 519 |
+ * Process Request Sense command |
|
| 520 |
+ * @param lun: Logical unit number |
|
| 521 |
+ * @param params: Command parameters |
|
| 522 |
+ * @retval status |
|
| 523 |
+ */ |
|
| 524 |
+static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 525 |
+{
|
|
| 526 |
+ UNUSED(lun); |
|
| 527 |
+ uint8_t i; |
|
| 528 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 529 |
+ |
|
| 530 |
+ if (hmsc == NULL) |
|
| 531 |
+ {
|
|
| 532 |
+ return -1; |
|
| 533 |
+ } |
|
| 534 |
+ |
|
| 535 |
+ if (hmsc->cbw.dDataLength == 0U) |
|
| 536 |
+ {
|
|
| 537 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 538 |
+ return -1; |
|
| 539 |
+ } |
|
| 540 |
+ |
|
| 541 |
+ for (i = 0U; i < REQUEST_SENSE_DATA_LEN; i++) |
|
| 542 |
+ {
|
|
| 543 |
+ hmsc->bot_data[i] = 0U; |
|
| 544 |
+ } |
|
| 545 |
+ |
|
| 546 |
+ hmsc->bot_data[0] = 0x70U; |
|
| 547 |
+ hmsc->bot_data[7] = REQUEST_SENSE_DATA_LEN - 6U; |
|
| 548 |
+ |
|
| 549 |
+ if ((hmsc->scsi_sense_head != hmsc->scsi_sense_tail)) |
|
| 550 |
+ {
|
|
| 551 |
+ hmsc->bot_data[2] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].Skey; |
|
| 552 |
+ hmsc->bot_data[12] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASC; |
|
| 553 |
+ hmsc->bot_data[13] = (uint8_t)hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASCQ; |
|
| 554 |
+ hmsc->scsi_sense_head++; |
|
| 555 |
+ |
|
| 556 |
+ if (hmsc->scsi_sense_head == SENSE_LIST_DEEPTH) |
|
| 557 |
+ {
|
|
| 558 |
+ hmsc->scsi_sense_head = 0U; |
|
| 559 |
+ } |
|
| 560 |
+ } |
|
| 561 |
+ |
|
| 562 |
+ hmsc->bot_data_length = REQUEST_SENSE_DATA_LEN; |
|
| 563 |
+ |
|
| 564 |
+ if (params[4] <= REQUEST_SENSE_DATA_LEN) |
|
| 565 |
+ {
|
|
| 566 |
+ hmsc->bot_data_length = params[4]; |
|
| 567 |
+ } |
|
| 568 |
+ |
|
| 569 |
+ return 0; |
|
| 570 |
+} |
|
| 571 |
+ |
|
| 572 |
+ |
|
| 573 |
+/** |
|
| 574 |
+ * @brief SCSI_SenseCode |
|
| 575 |
+ * Load the last error code in the error list |
|
| 576 |
+ * @param lun: Logical unit number |
|
| 577 |
+ * @param sKey: Sense Key |
|
| 578 |
+ * @param ASC: Additional Sense Code |
|
| 579 |
+ * @retval none |
|
| 580 |
+ |
|
| 581 |
+ */ |
|
| 582 |
+void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC) |
|
| 583 |
+{
|
|
| 584 |
+ UNUSED(lun); |
|
| 585 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 586 |
+ |
|
| 587 |
+ if (hmsc == NULL) |
|
| 588 |
+ {
|
|
| 589 |
+ return; |
|
| 590 |
+ } |
|
| 591 |
+ |
|
| 592 |
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].Skey = sKey; |
|
| 593 |
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASC = ASC; |
|
| 594 |
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].w.b.ASCQ = 0U; |
|
| 595 |
+ hmsc->scsi_sense_tail++; |
|
| 596 |
+ |
|
| 597 |
+ if (hmsc->scsi_sense_tail == SENSE_LIST_DEEPTH) |
|
| 598 |
+ {
|
|
| 599 |
+ hmsc->scsi_sense_tail = 0U; |
|
| 600 |
+ } |
|
| 601 |
+} |
|
| 602 |
+ |
|
| 603 |
+ |
|
| 604 |
+/** |
|
| 605 |
+ * @brief SCSI_StartStopUnit |
|
| 606 |
+ * Process Start Stop Unit command |
|
| 607 |
+ * @param lun: Logical unit number |
|
| 608 |
+ * @param params: Command parameters |
|
| 609 |
+ * @retval status |
|
| 610 |
+ */ |
|
| 611 |
+static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 612 |
+{
|
|
| 613 |
+ UNUSED(lun); |
|
| 614 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 615 |
+ |
|
| 616 |
+ if (hmsc == NULL) |
|
| 617 |
+ {
|
|
| 618 |
+ return -1; |
|
| 619 |
+ } |
|
| 620 |
+ |
|
| 621 |
+ if ((hmsc->scsi_medium_state == SCSI_MEDIUM_LOCKED) && ((params[4] & 0x3U) == 2U)) |
|
| 622 |
+ {
|
|
| 623 |
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND); |
|
| 624 |
+ |
|
| 625 |
+ return -1; |
|
| 626 |
+ } |
|
| 627 |
+ |
|
| 628 |
+ if ((params[4] & 0x3U) == 0x1U) /* START=1 */ |
|
| 629 |
+ {
|
|
| 630 |
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; |
|
| 631 |
+ } |
|
| 632 |
+ else if ((params[4] & 0x3U) == 0x2U) /* START=0 and LOEJ Load Eject=1 */ |
|
| 633 |
+ {
|
|
| 634 |
+ hmsc->scsi_medium_state = SCSI_MEDIUM_EJECTED; |
|
| 635 |
+ } |
|
| 636 |
+ else if ((params[4] & 0x3U) == 0x3U) /* START=1 and LOEJ Load Eject=1 */ |
|
| 637 |
+ {
|
|
| 638 |
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; |
|
| 639 |
+ } |
|
| 640 |
+ else |
|
| 641 |
+ {
|
|
| 642 |
+ /* .. */ |
|
| 643 |
+ } |
|
| 644 |
+ hmsc->bot_data_length = 0U; |
|
| 645 |
+ |
|
| 646 |
+ return 0; |
|
| 647 |
+} |
|
| 648 |
+ |
|
| 649 |
+ |
|
| 650 |
+/** |
|
| 651 |
+ * @brief SCSI_AllowPreventRemovable |
|
| 652 |
+ * Process Allow Prevent Removable medium command |
|
| 653 |
+ * @param lun: Logical unit number |
|
| 654 |
+ * @param params: Command parameters |
|
| 655 |
+ * @retval status |
|
| 656 |
+ */ |
|
| 657 |
+static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 658 |
+{
|
|
| 659 |
+ UNUSED(lun); |
|
| 660 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 661 |
+ |
|
| 662 |
+ if (hmsc == NULL) |
|
| 663 |
+ {
|
|
| 664 |
+ return -1; |
|
| 665 |
+ } |
|
| 666 |
+ |
|
| 667 |
+ if (params[4] == 0U) |
|
| 668 |
+ {
|
|
| 669 |
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; |
|
| 670 |
+ } |
|
| 671 |
+ else |
|
| 672 |
+ {
|
|
| 673 |
+ hmsc->scsi_medium_state = SCSI_MEDIUM_LOCKED; |
|
| 674 |
+ } |
|
| 675 |
+ |
|
| 676 |
+ hmsc->bot_data_length = 0U; |
|
| 677 |
+ |
|
| 678 |
+ return 0; |
|
| 679 |
+} |
|
| 680 |
+ |
|
| 681 |
+ |
|
| 682 |
+/** |
|
| 683 |
+ * @brief SCSI_Read10 |
|
| 684 |
+ * Process Read10 command |
|
| 685 |
+ * @param lun: Logical unit number |
|
| 686 |
+ * @param params: Command parameters |
|
| 687 |
+ * @retval status |
|
| 688 |
+ */ |
|
| 689 |
+static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 690 |
+{
|
|
| 691 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 692 |
+ |
|
| 693 |
+ if (hmsc == NULL) |
|
| 694 |
+ {
|
|
| 695 |
+ return -1; |
|
| 696 |
+ } |
|
| 697 |
+ |
|
| 698 |
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ |
|
| 699 |
+ {
|
|
| 700 |
+ /* case 10 : Ho <> Di */ |
|
| 701 |
+ if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U) |
|
| 702 |
+ {
|
|
| 703 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 704 |
+ return -1; |
|
| 705 |
+ } |
|
| 706 |
+ |
|
| 707 |
+ if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) |
|
| 708 |
+ {
|
|
| 709 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 710 |
+ |
|
| 711 |
+ return -1; |
|
| 712 |
+ } |
|
| 713 |
+ |
|
| 714 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) |
|
| 715 |
+ {
|
|
| 716 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 717 |
+ return -1; |
|
| 718 |
+ } |
|
| 719 |
+ |
|
| 720 |
+ hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | |
|
| 721 |
+ ((uint32_t)params[3] << 16) | |
|
| 722 |
+ ((uint32_t)params[4] << 8) | |
|
| 723 |
+ (uint32_t)params[5]; |
|
| 724 |
+ |
|
| 725 |
+ hmsc->scsi_blk_len = ((uint32_t)params[7] << 8) | (uint32_t)params[8]; |
|
| 726 |
+ |
|
| 727 |
+ if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, |
|
| 728 |
+ hmsc->scsi_blk_len) < 0) |
|
| 729 |
+ {
|
|
| 730 |
+ return -1; /* error */ |
|
| 731 |
+ } |
|
| 732 |
+ |
|
| 733 |
+ /* cases 4,5 : Hi <> Dn */ |
|
| 734 |
+ if (hmsc->cbw.dDataLength != (hmsc->scsi_blk_len * hmsc->scsi_blk_size)) |
|
| 735 |
+ {
|
|
| 736 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 737 |
+ return -1; |
|
| 738 |
+ } |
|
| 739 |
+ |
|
| 740 |
+ hmsc->bot_state = USBD_BOT_DATA_IN; |
|
| 741 |
+ } |
|
| 742 |
+ hmsc->bot_data_length = MSC_MEDIA_PACKET; |
|
| 743 |
+ |
|
| 744 |
+ return SCSI_ProcessRead(pdev, lun); |
|
| 745 |
+} |
|
| 746 |
+ |
|
| 747 |
+ |
|
| 748 |
+/** |
|
| 749 |
+ * @brief SCSI_Read12 |
|
| 750 |
+ * Process Read12 command |
|
| 751 |
+ * @param lun: Logical unit number |
|
| 752 |
+ * @param params: Command parameters |
|
| 753 |
+ * @retval status |
|
| 754 |
+ */ |
|
| 755 |
+static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 756 |
+{
|
|
| 757 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 758 |
+ |
|
| 759 |
+ if (hmsc == NULL) |
|
| 760 |
+ {
|
|
| 761 |
+ return -1; |
|
| 762 |
+ } |
|
| 763 |
+ |
|
| 764 |
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ |
|
| 765 |
+ {
|
|
| 766 |
+ /* case 10 : Ho <> Di */ |
|
| 767 |
+ if ((hmsc->cbw.bmFlags & 0x80U) != 0x80U) |
|
| 768 |
+ {
|
|
| 769 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 770 |
+ return -1; |
|
| 771 |
+ } |
|
| 772 |
+ |
|
| 773 |
+ if (hmsc->scsi_medium_state == SCSI_MEDIUM_EJECTED) |
|
| 774 |
+ {
|
|
| 775 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 776 |
+ return -1; |
|
| 777 |
+ } |
|
| 778 |
+ |
|
| 779 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) |
|
| 780 |
+ {
|
|
| 781 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 782 |
+ return -1; |
|
| 783 |
+ } |
|
| 784 |
+ |
|
| 785 |
+ hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | |
|
| 786 |
+ ((uint32_t)params[3] << 16) | |
|
| 787 |
+ ((uint32_t)params[4] << 8) | |
|
| 788 |
+ (uint32_t)params[5]; |
|
| 789 |
+ |
|
| 790 |
+ hmsc->scsi_blk_len = ((uint32_t)params[6] << 24) | |
|
| 791 |
+ ((uint32_t)params[7] << 16) | |
|
| 792 |
+ ((uint32_t)params[8] << 8) | |
|
| 793 |
+ (uint32_t)params[9]; |
|
| 794 |
+ |
|
| 795 |
+ if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, |
|
| 796 |
+ hmsc->scsi_blk_len) < 0) |
|
| 797 |
+ {
|
|
| 798 |
+ return -1; /* error */ |
|
| 799 |
+ } |
|
| 800 |
+ |
|
| 801 |
+ /* cases 4,5 : Hi <> Dn */ |
|
| 802 |
+ if (hmsc->cbw.dDataLength != (hmsc->scsi_blk_len * hmsc->scsi_blk_size)) |
|
| 803 |
+ {
|
|
| 804 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 805 |
+ return -1; |
|
| 806 |
+ } |
|
| 807 |
+ |
|
| 808 |
+ hmsc->bot_state = USBD_BOT_DATA_IN; |
|
| 809 |
+ } |
|
| 810 |
+ hmsc->bot_data_length = MSC_MEDIA_PACKET; |
|
| 811 |
+ |
|
| 812 |
+ return SCSI_ProcessRead(pdev, lun); |
|
| 813 |
+} |
|
| 814 |
+ |
|
| 815 |
+ |
|
| 816 |
+/** |
|
| 817 |
+ * @brief SCSI_Write10 |
|
| 818 |
+ * Process Write10 command |
|
| 819 |
+ * @param lun: Logical unit number |
|
| 820 |
+ * @param params: Command parameters |
|
| 821 |
+ * @retval status |
|
| 822 |
+ */ |
|
| 823 |
+static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 824 |
+{
|
|
| 825 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 826 |
+ uint32_t len; |
|
| 827 |
+ |
|
| 828 |
+ if (hmsc == NULL) |
|
| 829 |
+ {
|
|
| 830 |
+ return -1; |
|
| 831 |
+ } |
|
| 832 |
+ |
|
| 833 |
+#ifdef USE_USBD_COMPOSITE |
|
| 834 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 835 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 836 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 837 |
+ |
|
| 838 |
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ |
|
| 839 |
+ {
|
|
| 840 |
+ if (hmsc->cbw.dDataLength == 0U) |
|
| 841 |
+ {
|
|
| 842 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 843 |
+ return -1; |
|
| 844 |
+ } |
|
| 845 |
+ |
|
| 846 |
+ /* case 8 : Hi <> Do */ |
|
| 847 |
+ if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U) |
|
| 848 |
+ {
|
|
| 849 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 850 |
+ return -1; |
|
| 851 |
+ } |
|
| 852 |
+ |
|
| 853 |
+ /* Check whether Media is ready */ |
|
| 854 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) |
|
| 855 |
+ {
|
|
| 856 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 857 |
+ return -1; |
|
| 858 |
+ } |
|
| 859 |
+ |
|
| 860 |
+ /* Check If media is write-protected */ |
|
| 861 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) |
|
| 862 |
+ {
|
|
| 863 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED); |
|
| 864 |
+ return -1; |
|
| 865 |
+ } |
|
| 866 |
+ |
|
| 867 |
+ hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | |
|
| 868 |
+ ((uint32_t)params[3] << 16) | |
|
| 869 |
+ ((uint32_t)params[4] << 8) | |
|
| 870 |
+ (uint32_t)params[5]; |
|
| 871 |
+ |
|
| 872 |
+ hmsc->scsi_blk_len = ((uint32_t)params[7] << 8) | |
|
| 873 |
+ (uint32_t)params[8]; |
|
| 874 |
+ |
|
| 875 |
+ /* check if LBA address is in the right range */ |
|
| 876 |
+ if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, |
|
| 877 |
+ hmsc->scsi_blk_len) < 0) |
|
| 878 |
+ {
|
|
| 879 |
+ return -1; /* error */ |
|
| 880 |
+ } |
|
| 881 |
+ |
|
| 882 |
+ len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; |
|
| 883 |
+ |
|
| 884 |
+ /* cases 3,11,13 : Hn,Ho <> D0 */ |
|
| 885 |
+ if (hmsc->cbw.dDataLength != len) |
|
| 886 |
+ {
|
|
| 887 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 888 |
+ return -1; |
|
| 889 |
+ } |
|
| 890 |
+ |
|
| 891 |
+ len = MIN(len, MSC_MEDIA_PACKET); |
|
| 892 |
+ |
|
| 893 |
+ /* Prepare EP to receive first data packet */ |
|
| 894 |
+ hmsc->bot_state = USBD_BOT_DATA_OUT; |
|
| 895 |
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); |
|
| 896 |
+ } |
|
| 897 |
+ else /* Write Process ongoing */ |
|
| 898 |
+ {
|
|
| 899 |
+ return SCSI_ProcessWrite(pdev, lun); |
|
| 900 |
+ } |
|
| 901 |
+ |
|
| 902 |
+ return 0; |
|
| 903 |
+} |
|
| 904 |
+ |
|
| 905 |
+ |
|
| 906 |
+/** |
|
| 907 |
+ * @brief SCSI_Write12 |
|
| 908 |
+ * Process Write12 command |
|
| 909 |
+ * @param lun: Logical unit number |
|
| 910 |
+ * @param params: Command parameters |
|
| 911 |
+ * @retval status |
|
| 912 |
+ */ |
|
| 913 |
+static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 914 |
+{
|
|
| 915 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 916 |
+ uint32_t len; |
|
| 917 |
+ |
|
| 918 |
+ if (hmsc == NULL) |
|
| 919 |
+ {
|
|
| 920 |
+ return -1; |
|
| 921 |
+ } |
|
| 922 |
+#ifdef USE_USBD_COMPOSITE |
|
| 923 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 924 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 925 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 926 |
+ |
|
| 927 |
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */ |
|
| 928 |
+ {
|
|
| 929 |
+ if (hmsc->cbw.dDataLength == 0U) |
|
| 930 |
+ {
|
|
| 931 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 932 |
+ return -1; |
|
| 933 |
+ } |
|
| 934 |
+ |
|
| 935 |
+ /* case 8 : Hi <> Do */ |
|
| 936 |
+ if ((hmsc->cbw.bmFlags & 0x80U) == 0x80U) |
|
| 937 |
+ {
|
|
| 938 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 939 |
+ return -1; |
|
| 940 |
+ } |
|
| 941 |
+ |
|
| 942 |
+ /* Check whether Media is ready */ |
|
| 943 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsReady(lun) != 0) |
|
| 944 |
+ {
|
|
| 945 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, MEDIUM_NOT_PRESENT); |
|
| 946 |
+ hmsc->bot_state = USBD_BOT_NO_DATA; |
|
| 947 |
+ return -1; |
|
| 948 |
+ } |
|
| 949 |
+ |
|
| 950 |
+ /* Check If media is write-protected */ |
|
| 951 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->IsWriteProtected(lun) != 0) |
|
| 952 |
+ {
|
|
| 953 |
+ SCSI_SenseCode(pdev, lun, NOT_READY, WRITE_PROTECTED); |
|
| 954 |
+ hmsc->bot_state = USBD_BOT_NO_DATA; |
|
| 955 |
+ return -1; |
|
| 956 |
+ } |
|
| 957 |
+ |
|
| 958 |
+ hmsc->scsi_blk_addr = ((uint32_t)params[2] << 24) | |
|
| 959 |
+ ((uint32_t)params[3] << 16) | |
|
| 960 |
+ ((uint32_t)params[4] << 8) | |
|
| 961 |
+ (uint32_t)params[5]; |
|
| 962 |
+ |
|
| 963 |
+ hmsc->scsi_blk_len = ((uint32_t)params[6] << 24) | |
|
| 964 |
+ ((uint32_t)params[7] << 16) | |
|
| 965 |
+ ((uint32_t)params[8] << 8) | |
|
| 966 |
+ (uint32_t)params[9]; |
|
| 967 |
+ |
|
| 968 |
+ /* check if LBA address is in the right range */ |
|
| 969 |
+ if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, |
|
| 970 |
+ hmsc->scsi_blk_len) < 0) |
|
| 971 |
+ {
|
|
| 972 |
+ return -1; /* error */ |
|
| 973 |
+ } |
|
| 974 |
+ |
|
| 975 |
+ len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; |
|
| 976 |
+ |
|
| 977 |
+ /* cases 3,11,13 : Hn,Ho <> D0 */ |
|
| 978 |
+ if (hmsc->cbw.dDataLength != len) |
|
| 979 |
+ {
|
|
| 980 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 981 |
+ return -1; |
|
| 982 |
+ } |
|
| 983 |
+ |
|
| 984 |
+ len = MIN(len, MSC_MEDIA_PACKET); |
|
| 985 |
+ |
|
| 986 |
+ /* Prepare EP to receive first data packet */ |
|
| 987 |
+ hmsc->bot_state = USBD_BOT_DATA_OUT; |
|
| 988 |
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); |
|
| 989 |
+ } |
|
| 990 |
+ else /* Write Process ongoing */ |
|
| 991 |
+ {
|
|
| 992 |
+ return SCSI_ProcessWrite(pdev, lun); |
|
| 993 |
+ } |
|
| 994 |
+ |
|
| 995 |
+ return 0; |
|
| 996 |
+} |
|
| 997 |
+ |
|
| 998 |
+ |
|
| 999 |
+/** |
|
| 1000 |
+ * @brief SCSI_Verify10 |
|
| 1001 |
+ * Process Verify10 command |
|
| 1002 |
+ * @param lun: Logical unit number |
|
| 1003 |
+ * @param params: Command parameters |
|
| 1004 |
+ * @retval status |
|
| 1005 |
+ */ |
|
| 1006 |
+static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params) |
|
| 1007 |
+{
|
|
| 1008 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 1009 |
+ |
|
| 1010 |
+ if (hmsc == NULL) |
|
| 1011 |
+ {
|
|
| 1012 |
+ return -1; |
|
| 1013 |
+ } |
|
| 1014 |
+ |
|
| 1015 |
+ if ((params[1] & 0x02U) == 0x02U) |
|
| 1016 |
+ {
|
|
| 1017 |
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND); |
|
| 1018 |
+ return -1; /* Error, Verify Mode Not supported*/ |
|
| 1019 |
+ } |
|
| 1020 |
+ |
|
| 1021 |
+ if (SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, hmsc->scsi_blk_len) < 0) |
|
| 1022 |
+ {
|
|
| 1023 |
+ return -1; /* error */ |
|
| 1024 |
+ } |
|
| 1025 |
+ |
|
| 1026 |
+ hmsc->bot_data_length = 0U; |
|
| 1027 |
+ |
|
| 1028 |
+ return 0; |
|
| 1029 |
+} |
|
| 1030 |
+ |
|
| 1031 |
+/** |
|
| 1032 |
+ * @brief SCSI_CheckAddressRange |
|
| 1033 |
+ * Check address range |
|
| 1034 |
+ * @param lun: Logical unit number |
|
| 1035 |
+ * @param blk_offset: first block address |
|
| 1036 |
+ * @param blk_nbr: number of block to be processed |
|
| 1037 |
+ * @retval status |
|
| 1038 |
+ */ |
|
| 1039 |
+static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun, |
|
| 1040 |
+ uint32_t blk_offset, uint32_t blk_nbr) |
|
| 1041 |
+{
|
|
| 1042 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 1043 |
+ |
|
| 1044 |
+ if (hmsc == NULL) |
|
| 1045 |
+ {
|
|
| 1046 |
+ return -1; |
|
| 1047 |
+ } |
|
| 1048 |
+ |
|
| 1049 |
+ if ((blk_offset + blk_nbr) > hmsc->scsi_blk_nbr) |
|
| 1050 |
+ {
|
|
| 1051 |
+ SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE); |
|
| 1052 |
+ return -1; |
|
| 1053 |
+ } |
|
| 1054 |
+ |
|
| 1055 |
+ return 0; |
|
| 1056 |
+} |
|
| 1057 |
+ |
|
| 1058 |
+/** |
|
| 1059 |
+ * @brief SCSI_ProcessRead |
|
| 1060 |
+ * Handle Read Process |
|
| 1061 |
+ * @param lun: Logical unit number |
|
| 1062 |
+ * @retval status |
|
| 1063 |
+ */ |
|
| 1064 |
+static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun) |
|
| 1065 |
+{
|
|
| 1066 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 1067 |
+ uint32_t len; |
|
| 1068 |
+ |
|
| 1069 |
+ if (hmsc == NULL) |
|
| 1070 |
+ {
|
|
| 1071 |
+ return -1; |
|
| 1072 |
+ } |
|
| 1073 |
+ |
|
| 1074 |
+ len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; |
|
| 1075 |
+ |
|
| 1076 |
+#ifdef USE_USBD_COMPOSITE |
|
| 1077 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 1078 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 1079 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 1080 |
+ |
|
| 1081 |
+ len = MIN(len, MSC_MEDIA_PACKET); |
|
| 1082 |
+ |
|
| 1083 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Read(lun, hmsc->bot_data, |
|
| 1084 |
+ hmsc->scsi_blk_addr, |
|
| 1085 |
+ (len / hmsc->scsi_blk_size)) < 0) |
|
| 1086 |
+ {
|
|
| 1087 |
+ SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, UNRECOVERED_READ_ERROR); |
|
| 1088 |
+ return -1; |
|
| 1089 |
+ } |
|
| 1090 |
+ |
|
| 1091 |
+ (void)USBD_LL_Transmit(pdev, MSCInEpAdd, hmsc->bot_data, len); |
|
| 1092 |
+ |
|
| 1093 |
+ hmsc->scsi_blk_addr += (len / hmsc->scsi_blk_size); |
|
| 1094 |
+ hmsc->scsi_blk_len -= (len / hmsc->scsi_blk_size); |
|
| 1095 |
+ |
|
| 1096 |
+ /* case 6 : Hi = Di */ |
|
| 1097 |
+ hmsc->csw.dDataResidue -= len; |
|
| 1098 |
+ |
|
| 1099 |
+ if (hmsc->scsi_blk_len == 0U) |
|
| 1100 |
+ {
|
|
| 1101 |
+ hmsc->bot_state = USBD_BOT_LAST_DATA_IN; |
|
| 1102 |
+ } |
|
| 1103 |
+ |
|
| 1104 |
+ return 0; |
|
| 1105 |
+} |
|
| 1106 |
+ |
|
| 1107 |
+/** |
|
| 1108 |
+ * @brief SCSI_ProcessWrite |
|
| 1109 |
+ * Handle Write Process |
|
| 1110 |
+ * @param lun: Logical unit number |
|
| 1111 |
+ * @retval status |
|
| 1112 |
+ */ |
|
| 1113 |
+static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun) |
|
| 1114 |
+{
|
|
| 1115 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 1116 |
+ uint32_t len; |
|
| 1117 |
+ |
|
| 1118 |
+ if (hmsc == NULL) |
|
| 1119 |
+ {
|
|
| 1120 |
+ return -1; |
|
| 1121 |
+ } |
|
| 1122 |
+ |
|
| 1123 |
+ len = hmsc->scsi_blk_len * hmsc->scsi_blk_size; |
|
| 1124 |
+ |
|
| 1125 |
+#ifdef USE_USBD_COMPOSITE |
|
| 1126 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 1127 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 1128 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 1129 |
+ |
|
| 1130 |
+ len = MIN(len, MSC_MEDIA_PACKET); |
|
| 1131 |
+ |
|
| 1132 |
+ if (((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Write(lun, hmsc->bot_data, |
|
| 1133 |
+ hmsc->scsi_blk_addr, |
|
| 1134 |
+ (len / hmsc->scsi_blk_size)) < 0) |
|
| 1135 |
+ {
|
|
| 1136 |
+ SCSI_SenseCode(pdev, lun, HARDWARE_ERROR, WRITE_FAULT); |
|
| 1137 |
+ return -1; |
|
| 1138 |
+ } |
|
| 1139 |
+ |
|
| 1140 |
+ hmsc->scsi_blk_addr += (len / hmsc->scsi_blk_size); |
|
| 1141 |
+ hmsc->scsi_blk_len -= (len / hmsc->scsi_blk_size); |
|
| 1142 |
+ |
|
| 1143 |
+ /* case 12 : Ho = Do */ |
|
| 1144 |
+ hmsc->csw.dDataResidue -= len; |
|
| 1145 |
+ |
|
| 1146 |
+ if (hmsc->scsi_blk_len == 0U) |
|
| 1147 |
+ {
|
|
| 1148 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); |
|
| 1149 |
+ } |
|
| 1150 |
+ else |
|
| 1151 |
+ {
|
|
| 1152 |
+ len = MIN((hmsc->scsi_blk_len * hmsc->scsi_blk_size), MSC_MEDIA_PACKET); |
|
| 1153 |
+ |
|
| 1154 |
+ /* Prepare EP to Receive next packet */ |
|
| 1155 |
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, hmsc->bot_data, len); |
|
| 1156 |
+ } |
|
| 1157 |
+ |
|
| 1158 |
+ return 0; |
|
| 1159 |
+} |
|
| 1160 |
+ |
|
| 1161 |
+ |
|
| 1162 |
+/** |
|
| 1163 |
+ * @brief SCSI_UpdateBotData |
|
| 1164 |
+ * fill the requested Data to transmit buffer |
|
| 1165 |
+ * @param hmsc handler |
|
| 1166 |
+ * @param pBuff: Data buffer |
|
| 1167 |
+ * @param length: Data length |
|
| 1168 |
+ * @retval status |
|
| 1169 |
+ */ |
|
| 1170 |
+static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc, |
|
| 1171 |
+ uint8_t *pBuff, uint16_t length) |
|
| 1172 |
+{
|
|
| 1173 |
+ uint16_t len = length; |
|
| 1174 |
+ |
|
| 1175 |
+ if (hmsc == NULL) |
|
| 1176 |
+ {
|
|
| 1177 |
+ return -1; |
|
| 1178 |
+ } |
|
| 1179 |
+ |
|
| 1180 |
+ hmsc->bot_data_length = len; |
|
| 1181 |
+ |
|
| 1182 |
+ while (len != 0U) |
|
| 1183 |
+ {
|
|
| 1184 |
+ len--; |
|
| 1185 |
+ hmsc->bot_data[len] = pBuff[len]; |
|
| 1186 |
+ } |
|
| 1187 |
+ |
|
| 1188 |
+ return 0; |
|
| 1189 |
+} |
|
| 1190 |
+/** |
|
| 1191 |
+ * @} |
|
| 1192 |
+ */ |
|
| 1193 |
+ |
|
| 1194 |
+ |
|
| 1195 |
+/** |
|
| 1196 |
+ * @} |
|
| 1197 |
+ */ |
|
| 1198 |
+ |
|
| 1199 |
+ |
|
| 1200 |
+/** |
|
| 1201 |
+ * @} |
|
| 1202 |
+ */ |
|
| 1203 |
+ |