| 1 | /*++\r |
| 2 | \r |
| 3 | Copyright (c) 2006, Intel Corporation \r |
| 4 | All rights reserved. This program and the accompanying materials \r |
| 5 | are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | which accompanies this distribution. The full text of the license may be found at \r |
| 7 | http://opensource.org/licenses/bsd-license.php \r |
| 8 | \r |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 11 | \r |
| 12 | Module Name:\r |
| 13 | \r |
| 14 | UsbMassStorageHelper.c\r |
| 15 | \r |
| 16 | Abstract:\r |
| 17 | \r |
| 18 | Helper functions for USB Mass Storage Driver\r |
| 19 | \r |
| 20 | Revision History\r |
| 21 | \r |
| 22 | --*/\r |
| 23 | \r |
| 24 | #include "UsbMassStorageHelper.h"\r |
| 25 | \r |
| 26 | STATIC\r |
| 27 | BOOLEAN\r |
| 28 | IsNoMedia (\r |
| 29 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 30 | IN UINTN SenseCounts\r |
| 31 | );\r |
| 32 | \r |
| 33 | STATIC\r |
| 34 | BOOLEAN\r |
| 35 | IsMediaError (\r |
| 36 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 37 | IN UINTN SenseCounts\r |
| 38 | );\r |
| 39 | \r |
| 40 | STATIC\r |
| 41 | BOOLEAN\r |
| 42 | IsMediaChange (\r |
| 43 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 44 | IN UINTN SenseCounts\r |
| 45 | );\r |
| 46 | \r |
| 47 | STATIC\r |
| 48 | BOOLEAN\r |
| 49 | IsDriveReady (\r |
| 50 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 51 | IN UINTN SenseCounts,\r |
| 52 | OUT BOOLEAN *NeedRetry\r |
| 53 | );\r |
| 54 | \r |
| 55 | STATIC\r |
| 56 | BOOLEAN\r |
| 57 | IsMediaWriteProtected (\r |
| 58 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 59 | IN UINTN SenseCounts\r |
| 60 | );\r |
| 61 | \r |
| 62 | STATIC\r |
| 63 | BOOLEAN\r |
| 64 | IsLogicalUnitCommunicationOverRun (\r |
| 65 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 66 | IN UINTN SenseCounts\r |
| 67 | );\r |
| 68 | \r |
| 69 | EFI_STATUS\r |
| 70 | USBFloppyPacketCommand (\r |
| 71 | USB_FLOPPY_DEV *UsbFloppyDevice,\r |
| 72 | VOID *Command,\r |
| 73 | UINT8 CommandSize,\r |
| 74 | VOID *DataBuffer,\r |
| 75 | UINT32 BufferLength,\r |
| 76 | EFI_USB_DATA_DIRECTION Direction,\r |
| 77 | UINT16 TimeOutInMilliSeconds\r |
| 78 | )\r |
| 79 | /*++\r |
| 80 | \r |
| 81 | Routine Description:\r |
| 82 | Sends Packet Command to USB Floppy Drive.\r |
| 83 | \r |
| 84 | Arguments:\r |
| 85 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 86 | Command - A pointer to the command packet.\r |
| 87 | CommandSize - Indicates the size of the command packet.\r |
| 88 | DataBuffer - A pointer to the buffer for the data transfer\r |
| 89 | after the command packet. \r |
| 90 | BufferLength - Indicates the size of the Data Buffer.\r |
| 91 | Direction - Transfer Direction\r |
| 92 | TimeOutInMilliSeconds - Timeout Value\r |
| 93 | Returns: \r |
| 94 | EFI_SUCCESS - Success\r |
| 95 | --*/ \r |
| 96 | {\r |
| 97 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 98 | EFI_STATUS Status;\r |
| 99 | \r |
| 100 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 101 | //\r |
| 102 | // Directly calling EFI_USB_ATAPI_PROTOCOL.UsbAtapiPacketCmd()\r |
| 103 | // to perform the command request.\r |
| 104 | //\r |
| 105 | Status = UsbAtapiInterface->UsbAtapiPacketCmd (\r |
| 106 | UsbAtapiInterface,\r |
| 107 | Command,\r |
| 108 | CommandSize,\r |
| 109 | DataBuffer,\r |
| 110 | BufferLength,\r |
| 111 | Direction,\r |
| 112 | TimeOutInMilliSeconds\r |
| 113 | );\r |
| 114 | \r |
| 115 | return Status;\r |
| 116 | }\r |
| 117 | \r |
| 118 | EFI_STATUS\r |
| 119 | USBFloppyIdentify (\r |
| 120 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 121 | )\r |
| 122 | /*++\r |
| 123 | \r |
| 124 | Routine Description:\r |
| 125 | Retrieves device information to tell the device type.\r |
| 126 | \r |
| 127 | Arguments:\r |
| 128 | UsbFloppyDevice The USB_FLOPPY_DEV instance.\r |
| 129 | \r |
| 130 | Returns: \r |
| 131 | EFI_DEVICE_ERROR - Hardware error\r |
| 132 | EFI_SUCCESS - Success\r |
| 133 | --*/ \r |
| 134 | {\r |
| 135 | \r |
| 136 | EFI_STATUS Status;\r |
| 137 | USB_INQUIRY_DATA *Idata;\r |
| 138 | BOOLEAN MediaChange;\r |
| 139 | \r |
| 140 | //\r |
| 141 | // Send Inquiry Packet Command to get INQUIRY data.\r |
| 142 | //\r |
| 143 | Status = USBFloppyInquiry (UsbFloppyDevice, &Idata);\r |
| 144 | if (EFI_ERROR (Status)) {\r |
| 145 | return EFI_DEVICE_ERROR;\r |
| 146 | }\r |
| 147 | \r |
| 148 | //\r |
| 149 | // Get media removable info from INQUIRY data.\r |
| 150 | //\r |
| 151 | UsbFloppyDevice->BlkIo.Media->RemovableMedia = (UINT8) ((Idata->RMB & 0x80) == 0x80);\r |
| 152 | \r |
| 153 | //\r |
| 154 | // Identify device type via INQUIRY data.\r |
| 155 | //\r |
| 156 | switch ((Idata->peripheral_type) & 0x1f) {\r |
| 157 | //\r |
| 158 | // Floppy\r |
| 159 | //\r |
| 160 | case 0x00:\r |
| 161 | UsbFloppyDevice->DeviceType = USBFLOPPY;\r |
| 162 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 163 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 164 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 165 | UsbFloppyDevice->BlkIo.Media->BlockSize = 0x200;\r |
| 166 | break;\r |
| 167 | \r |
| 168 | //\r |
| 169 | // CD-ROM\r |
| 170 | //\r |
| 171 | case 0x05:\r |
| 172 | UsbFloppyDevice->DeviceType = USBCDROM;\r |
| 173 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 174 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 175 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 176 | UsbFloppyDevice->BlkIo.Media->BlockSize = 0x800;\r |
| 177 | UsbFloppyDevice->BlkIo.Media->ReadOnly = TRUE;\r |
| 178 | break;\r |
| 179 | \r |
| 180 | default:\r |
| 181 | gBS->FreePool (Idata);\r |
| 182 | return EFI_DEVICE_ERROR;\r |
| 183 | };\r |
| 184 | \r |
| 185 | //\r |
| 186 | // Initialize some device specific data.\r |
| 187 | //\r |
| 188 | //\r |
| 189 | // original sense data numbers\r |
| 190 | //\r |
| 191 | UsbFloppyDevice->SenseDataNumber = 6;\r |
| 192 | \r |
| 193 | if (UsbFloppyDevice->SenseData != NULL) {\r |
| 194 | gBS->FreePool (UsbFloppyDevice->SenseData);\r |
| 195 | UsbFloppyDevice->SenseData = NULL;\r |
| 196 | }\r |
| 197 | \r |
| 198 | UsbFloppyDevice->SenseData = AllocatePool (UsbFloppyDevice->SenseDataNumber * sizeof (REQUEST_SENSE_DATA));\r |
| 199 | \r |
| 200 | if (UsbFloppyDevice->SenseData == NULL) {\r |
| 201 | gBS->FreePool (Idata);\r |
| 202 | return EFI_DEVICE_ERROR;\r |
| 203 | }\r |
| 204 | \r |
| 205 | //\r |
| 206 | // Get media information.\r |
| 207 | //\r |
| 208 | UsbFloppyDetectMedia (UsbFloppyDevice, &MediaChange);\r |
| 209 | \r |
| 210 | gBS->FreePool (Idata);\r |
| 211 | \r |
| 212 | return EFI_SUCCESS;\r |
| 213 | }\r |
| 214 | \r |
| 215 | EFI_STATUS\r |
| 216 | USBFloppyInquiry (\r |
| 217 | IN USB_FLOPPY_DEV *UsbFloppyDevice,\r |
| 218 | OUT USB_INQUIRY_DATA **Idata\r |
| 219 | )\r |
| 220 | /*++\r |
| 221 | \r |
| 222 | Routine Description:\r |
| 223 | Send Inquiry Packet Command to device and retrieve Inquiry Data.\r |
| 224 | \r |
| 225 | Arguments:\r |
| 226 | UsbFloppyDevice The USB_FLOPPY_DEV instance.\r |
| 227 | Idata A pointer pointing to the address of \r |
| 228 | Inquiry Data.\r |
| 229 | \r |
| 230 | Returns: \r |
| 231 | EFI_DEVICE_ERROR - Hardware error\r |
| 232 | EFI_SUCCESS - Success\r |
| 233 | --*/ \r |
| 234 | {\r |
| 235 | ATAPI_PACKET_COMMAND Packet;\r |
| 236 | EFI_STATUS Status;\r |
| 237 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 238 | \r |
| 239 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 240 | \r |
| 241 | //\r |
| 242 | // prepare command packet for the Inquiry Packet Command.\r |
| 243 | //\r |
| 244 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 245 | Packet.Inquiry.opcode = INQUIRY;\r |
| 246 | Packet.Inquiry.page_code = 0;\r |
| 247 | Packet.Inquiry.allocation_length = sizeof (USB_INQUIRY_DATA);\r |
| 248 | \r |
| 249 | *Idata = AllocateZeroPool (sizeof (USB_INQUIRY_DATA));\r |
| 250 | if (*Idata == NULL) {\r |
| 251 | return EFI_DEVICE_ERROR;\r |
| 252 | }\r |
| 253 | //\r |
| 254 | // Send command packet and retrieve requested Inquiry Data.\r |
| 255 | //\r |
| 256 | Status = USBFloppyPacketCommand (\r |
| 257 | UsbFloppyDevice,\r |
| 258 | &Packet,\r |
| 259 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 260 | (VOID *) (*Idata),\r |
| 261 | sizeof (USB_INQUIRY_DATA),\r |
| 262 | EfiUsbDataIn,\r |
| 263 | USBFLPTIMEOUT * 3\r |
| 264 | );\r |
| 265 | if (EFI_ERROR (Status)) {\r |
| 266 | gBS->FreePool (*Idata);\r |
| 267 | return EFI_DEVICE_ERROR;\r |
| 268 | }\r |
| 269 | \r |
| 270 | return EFI_SUCCESS;\r |
| 271 | }\r |
| 272 | \r |
| 273 | EFI_STATUS\r |
| 274 | USBFloppyRead10 (\r |
| 275 | IN USB_FLOPPY_DEV *UsbFloppyDevice,\r |
| 276 | IN VOID *Buffer,\r |
| 277 | IN EFI_LBA Lba,\r |
| 278 | IN UINTN NumberOfBlocks\r |
| 279 | )\r |
| 280 | /*++\r |
| 281 | \r |
| 282 | Routine Description:\r |
| 283 | Sends Read10 Packet Command to device to perform data transfer\r |
| 284 | from device to host.\r |
| 285 | \r |
| 286 | Arguments:\r |
| 287 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 288 | Buffer - A pointer to the destination buffer for the data. \r |
| 289 | The caller is responsible for either having implicit\r |
| 290 | or explicit ownership of the buffer.\r |
| 291 | Lba - The starting logical block address to read from \r |
| 292 | on the device.\r |
| 293 | NumberOfBlocks - Indicates the number of blocks that the read \r |
| 294 | operation requests.\r |
| 295 | \r |
| 296 | Returns: \r |
| 297 | EFI_DEVICE_ERROR - Hardware error\r |
| 298 | EFI_SUCCESS - Success\r |
| 299 | --*/ \r |
| 300 | {\r |
| 301 | ATAPI_PACKET_COMMAND Packet;\r |
| 302 | READ10_CMD *Read10Packet;\r |
| 303 | UINT16 MaxBlock;\r |
| 304 | UINT16 BlocksRemaining;\r |
| 305 | UINT16 SectorCount;\r |
| 306 | UINT32 Lba32;\r |
| 307 | UINT32 BlockSize;\r |
| 308 | UINT32 ByteCount;\r |
| 309 | VOID *ptrBuffer;\r |
| 310 | EFI_STATUS Status;\r |
| 311 | UINT16 TimeOut;\r |
| 312 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 313 | UINTN SenseCounts;\r |
| 314 | \r |
| 315 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 316 | \r |
| 317 | //\r |
| 318 | // prepare command packet for the Inquiry Packet Command.\r |
| 319 | //\r |
| 320 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 321 | Read10Packet = &Packet.Read10;\r |
| 322 | Lba32 = (UINT32) Lba;\r |
| 323 | ptrBuffer = Buffer;\r |
| 324 | BlockSize = UsbFloppyDevice->BlkIo.Media->BlockSize;\r |
| 325 | \r |
| 326 | MaxBlock = (UINT16) (65536 / BlockSize);\r |
| 327 | BlocksRemaining = (UINT16) NumberOfBlocks;\r |
| 328 | \r |
| 329 | Status = EFI_SUCCESS;\r |
| 330 | while (BlocksRemaining > 0) {\r |
| 331 | if (BlocksRemaining <= MaxBlock) {\r |
| 332 | SectorCount = BlocksRemaining;\r |
| 333 | } else {\r |
| 334 | SectorCount = MaxBlock;\r |
| 335 | }\r |
| 336 | //\r |
| 337 | // fill the Packet data structure\r |
| 338 | //\r |
| 339 | Read10Packet->opcode = READ_10;\r |
| 340 | \r |
| 341 | //\r |
| 342 | // Lba0 ~ Lba3 specify the start logical block address of the data transfer.\r |
| 343 | // Lba0 is MSB, Lba3 is LSB\r |
| 344 | //\r |
| 345 | Read10Packet->Lba3 = (UINT8) (Lba32 & 0xff);\r |
| 346 | Read10Packet->Lba2 = (UINT8) (Lba32 >> 8);\r |
| 347 | Read10Packet->Lba1 = (UINT8) (Lba32 >> 16);\r |
| 348 | Read10Packet->Lba0 = (UINT8) (Lba32 >> 24);\r |
| 349 | \r |
| 350 | //\r |
| 351 | // TranLen0 ~ TranLen1 specify the transfer length in block unit.\r |
| 352 | // TranLen0 is MSB, TranLen is LSB\r |
| 353 | //\r |
| 354 | Read10Packet->TranLen1 = (UINT8) (SectorCount & 0xff);\r |
| 355 | Read10Packet->TranLen0 = (UINT8) (SectorCount >> 8);\r |
| 356 | \r |
| 357 | ByteCount = SectorCount * BlockSize;\r |
| 358 | \r |
| 359 | TimeOut = (UINT16) (SectorCount * USBFLPTIMEOUT);\r |
| 360 | \r |
| 361 | Status = USBFloppyPacketCommand (\r |
| 362 | UsbFloppyDevice,\r |
| 363 | &Packet,\r |
| 364 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 365 | (VOID *) ptrBuffer,\r |
| 366 | ByteCount,\r |
| 367 | EfiUsbDataIn,\r |
| 368 | TimeOut\r |
| 369 | );\r |
| 370 | if (EFI_ERROR (Status)) {\r |
| 371 | \r |
| 372 | Status = UsbFloppyRequestSense (UsbFloppyDevice, &SenseCounts);\r |
| 373 | if (!EFI_ERROR (Status)) {\r |
| 374 | if (IsLogicalUnitCommunicationOverRun (\r |
| 375 | UsbFloppyDevice->SenseData,\r |
| 376 | SenseCounts\r |
| 377 | )) {\r |
| 378 | Lba32 = (UINT32) Lba;\r |
| 379 | ptrBuffer = Buffer;\r |
| 380 | BlocksRemaining = (UINT16) NumberOfBlocks;\r |
| 381 | MaxBlock = (UINT16) (MaxBlock / 4);\r |
| 382 | if (MaxBlock < 1) {\r |
| 383 | MaxBlock = 1;\r |
| 384 | }\r |
| 385 | \r |
| 386 | continue;\r |
| 387 | }\r |
| 388 | } else {\r |
| 389 | return EFI_DEVICE_ERROR;\r |
| 390 | }\r |
| 391 | //\r |
| 392 | // retry read10 command\r |
| 393 | //\r |
| 394 | Status = USBFloppyPacketCommand (\r |
| 395 | UsbFloppyDevice,\r |
| 396 | &Packet,\r |
| 397 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 398 | (VOID *) ptrBuffer,\r |
| 399 | ByteCount,\r |
| 400 | EfiUsbDataIn,\r |
| 401 | TimeOut\r |
| 402 | );\r |
| 403 | if (EFI_ERROR (Status)) {\r |
| 404 | return EFI_DEVICE_ERROR;\r |
| 405 | }\r |
| 406 | }\r |
| 407 | \r |
| 408 | Lba32 += SectorCount;\r |
| 409 | ptrBuffer = (UINT8 *) ptrBuffer + SectorCount * BlockSize;\r |
| 410 | BlocksRemaining = (UINT16) (BlocksRemaining - SectorCount);\r |
| 411 | }\r |
| 412 | \r |
| 413 | return Status;\r |
| 414 | }\r |
| 415 | \r |
| 416 | EFI_STATUS\r |
| 417 | USBFloppyReadCapacity (\r |
| 418 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 419 | )\r |
| 420 | /*++\r |
| 421 | \r |
| 422 | Routine Description:\r |
| 423 | Retrieves media capacity information via \r |
| 424 | sending Read Capacity Packet Command.\r |
| 425 | \r |
| 426 | Arguments:\r |
| 427 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 428 | \r |
| 429 | Returns: \r |
| 430 | EFI_DEVICE_ERROR - Hardware error\r |
| 431 | EFI_SUCCESS - Success\r |
| 432 | --*/ \r |
| 433 | { \r |
| 434 | //\r |
| 435 | // status returned by Read Capacity Packet Command\r |
| 436 | //\r |
| 437 | EFI_STATUS Status;\r |
| 438 | ATAPI_PACKET_COMMAND Packet;\r |
| 439 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 440 | \r |
| 441 | //\r |
| 442 | // used for capacity data returned from Usb Floppy\r |
| 443 | //\r |
| 444 | READ_CAPACITY_DATA Data;\r |
| 445 | \r |
| 446 | ZeroMem (&Data, sizeof (Data));\r |
| 447 | \r |
| 448 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 449 | \r |
| 450 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 451 | Packet.Inquiry.opcode = READ_CAPACITY;\r |
| 452 | Status = USBFloppyPacketCommand (\r |
| 453 | UsbFloppyDevice,\r |
| 454 | &Packet,\r |
| 455 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 456 | (VOID *) &Data,\r |
| 457 | sizeof (READ_CAPACITY_DATA),\r |
| 458 | EfiUsbDataIn,\r |
| 459 | USBFLPTIMEOUT\r |
| 460 | );\r |
| 461 | \r |
| 462 | if (EFI_ERROR (Status)) {\r |
| 463 | return EFI_DEVICE_ERROR;\r |
| 464 | }\r |
| 465 | \r |
| 466 | UsbFloppyDevice->BlkIo.Media->LastBlock = (Data.LastLba3 << 24) |\r |
| 467 | (Data.LastLba2 << 16) |\r |
| 468 | (Data.LastLba1 << 8) |\r |
| 469 | Data.LastLba0;\r |
| 470 | \r |
| 471 | UsbFloppyDevice->BlkIo.Media->MediaPresent = TRUE;\r |
| 472 | \r |
| 473 | UsbFloppyDevice->BlkIo.Media->BlockSize = 0x800;\r |
| 474 | \r |
| 475 | return EFI_SUCCESS;\r |
| 476 | \r |
| 477 | }\r |
| 478 | \r |
| 479 | EFI_STATUS\r |
| 480 | USBFloppyReadFormatCapacity (\r |
| 481 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 482 | )\r |
| 483 | /*++\r |
| 484 | \r |
| 485 | Routine Description:\r |
| 486 | Retrieves media capacity information via sending Read Format \r |
| 487 | Capacity Packet Command.\r |
| 488 | \r |
| 489 | Arguments:\r |
| 490 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 491 | \r |
| 492 | Returns: \r |
| 493 | EFI_DEVICE_ERROR - Hardware error\r |
| 494 | EFI_SUCCESS - Success\r |
| 495 | --*/ \r |
| 496 | { \r |
| 497 | //\r |
| 498 | // status returned by Read Capacity Packet Command\r |
| 499 | //\r |
| 500 | EFI_STATUS Status;\r |
| 501 | ATAPI_PACKET_COMMAND Packet;\r |
| 502 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 503 | \r |
| 504 | //\r |
| 505 | // used for capacity data returned from Usb Floppy\r |
| 506 | //\r |
| 507 | READ_FORMAT_CAPACITY_DATA FormatData;\r |
| 508 | \r |
| 509 | ZeroMem (&FormatData, sizeof (FormatData));\r |
| 510 | \r |
| 511 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 512 | \r |
| 513 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 514 | Packet.ReadFormatCapacity.opcode = READ_FORMAT_CAPACITY;\r |
| 515 | Packet.ReadFormatCapacity.allocation_length_lo = 12;\r |
| 516 | Status = USBFloppyPacketCommand (\r |
| 517 | UsbFloppyDevice,\r |
| 518 | &Packet,\r |
| 519 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 520 | (VOID *) &FormatData,\r |
| 521 | sizeof (READ_FORMAT_CAPACITY_DATA),\r |
| 522 | EfiUsbDataIn,\r |
| 523 | USBFLPTIMEOUT\r |
| 524 | );\r |
| 525 | \r |
| 526 | if (EFI_ERROR (Status)) {\r |
| 527 | return EFI_DEVICE_ERROR;\r |
| 528 | }\r |
| 529 | \r |
| 530 | if (FormatData.DesCode == 3) {\r |
| 531 | //\r |
| 532 | // Media is not present\r |
| 533 | //\r |
| 534 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 535 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 536 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 537 | } else {\r |
| 538 | \r |
| 539 | UsbFloppyDevice->BlkIo.Media->LastBlock = (FormatData.LastLba3 << 24) |\r |
| 540 | (FormatData.LastLba2 << 16) | \r |
| 541 | (FormatData.LastLba1 << 8) |\r |
| 542 | FormatData.LastLba0;\r |
| 543 | \r |
| 544 | UsbFloppyDevice->BlkIo.Media->LastBlock--;\r |
| 545 | \r |
| 546 | UsbFloppyDevice->BlkIo.Media->BlockSize = (FormatData.BlockSize2 << 16) |\r |
| 547 | (FormatData.BlockSize1 << 8) |\r |
| 548 | FormatData.BlockSize0;\r |
| 549 | \r |
| 550 | UsbFloppyDevice->BlkIo.Media->MediaPresent = TRUE;\r |
| 551 | \r |
| 552 | UsbFloppyDevice->BlkIo.Media->BlockSize = 0x200;\r |
| 553 | \r |
| 554 | }\r |
| 555 | \r |
| 556 | return EFI_SUCCESS;\r |
| 557 | \r |
| 558 | }\r |
| 559 | \r |
| 560 | EFI_STATUS\r |
| 561 | UsbFloppyRequestSense (\r |
| 562 | IN USB_FLOPPY_DEV *UsbFloppyDevice,\r |
| 563 | OUT UINTN *SenseCounts\r |
| 564 | )\r |
| 565 | /*++\r |
| 566 | \r |
| 567 | Routine Description:\r |
| 568 | Retrieves Sense Data from device via \r |
| 569 | sending Request Sense Packet Command.\r |
| 570 | \r |
| 571 | Arguments:\r |
| 572 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 573 | SenseCounts - A pointer to the number of Sense Data returned.\r |
| 574 | \r |
| 575 | Returns: \r |
| 576 | EFI_DEVICE_ERROR - Hardware error\r |
| 577 | EFI_SUCCESS - Success\r |
| 578 | --*/ \r |
| 579 | {\r |
| 580 | EFI_STATUS Status;\r |
| 581 | REQUEST_SENSE_DATA *Sense;\r |
| 582 | UINT8 *Ptr;\r |
| 583 | BOOLEAN SenseReq;\r |
| 584 | ATAPI_PACKET_COMMAND Packet;\r |
| 585 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 586 | \r |
| 587 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 588 | \r |
| 589 | *SenseCounts = 0;\r |
| 590 | \r |
| 591 | ZeroMem (\r |
| 592 | UsbFloppyDevice->SenseData,\r |
| 593 | sizeof (REQUEST_SENSE_DATA) * (UsbFloppyDevice->SenseDataNumber)\r |
| 594 | );\r |
| 595 | //\r |
| 596 | // fill command packet for Request Sense Packet Command\r |
| 597 | //\r |
| 598 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 599 | Packet.RequestSense.opcode = REQUEST_SENSE;\r |
| 600 | Packet.RequestSense.allocation_length = sizeof (REQUEST_SENSE_DATA);\r |
| 601 | \r |
| 602 | //\r |
| 603 | // initialize pointer\r |
| 604 | //\r |
| 605 | Ptr = (UINT8 *) (UsbFloppyDevice->SenseData);\r |
| 606 | \r |
| 607 | //\r |
| 608 | // request sense data from device continuously\r |
| 609 | // until no sense data exists in the device.\r |
| 610 | //\r |
| 611 | for (SenseReq = TRUE; SenseReq;) {\r |
| 612 | \r |
| 613 | Sense = (REQUEST_SENSE_DATA *) Ptr;\r |
| 614 | \r |
| 615 | //\r |
| 616 | // send out Request Sense Packet Command and get one Sense\r |
| 617 | // data from device.\r |
| 618 | //\r |
| 619 | Status = USBFloppyPacketCommand (\r |
| 620 | UsbFloppyDevice,\r |
| 621 | &Packet,\r |
| 622 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 623 | (VOID *) Ptr,\r |
| 624 | sizeof (REQUEST_SENSE_DATA),\r |
| 625 | EfiUsbDataIn,\r |
| 626 | USBFLPTIMEOUT\r |
| 627 | );\r |
| 628 | //\r |
| 629 | // failed to get Sense data\r |
| 630 | //\r |
| 631 | if (EFI_ERROR (Status)) {\r |
| 632 | //\r |
| 633 | // Recovery the device back to normal state.\r |
| 634 | //\r |
| 635 | UsbFloppyDevice->AtapiProtocol->UsbAtapiReset (\r |
| 636 | UsbFloppyDevice->AtapiProtocol,\r |
| 637 | TRUE\r |
| 638 | );\r |
| 639 | \r |
| 640 | if (*SenseCounts == 0) {\r |
| 641 | //\r |
| 642 | // never retrieved any sense data from device,\r |
| 643 | // just return error.\r |
| 644 | //\r |
| 645 | return EFI_DEVICE_ERROR;\r |
| 646 | } else {\r |
| 647 | //\r |
| 648 | // has retrieved some sense data from device,\r |
| 649 | // so return success.\r |
| 650 | //\r |
| 651 | return EFI_SUCCESS;\r |
| 652 | }\r |
| 653 | }\r |
| 654 | \r |
| 655 | if (Sense->sense_key != SK_NO_SENSE) {\r |
| 656 | //\r |
| 657 | // Ptr is byte based pointer\r |
| 658 | //\r |
| 659 | Ptr += sizeof (REQUEST_SENSE_DATA);\r |
| 660 | \r |
| 661 | (*SenseCounts)++;\r |
| 662 | \r |
| 663 | } else {\r |
| 664 | //\r |
| 665 | // when no sense key, skip out the loop\r |
| 666 | //\r |
| 667 | SenseReq = FALSE;\r |
| 668 | }\r |
| 669 | \r |
| 670 | //\r |
| 671 | // If the sense key numbers exceed Sense Data Buffer size,\r |
| 672 | // just skip the loop and do not fetch the sense key in this function.\r |
| 673 | //\r |
| 674 | if (*SenseCounts == UsbFloppyDevice->SenseDataNumber) {\r |
| 675 | SenseReq = FALSE;\r |
| 676 | }\r |
| 677 | }\r |
| 678 | \r |
| 679 | return EFI_SUCCESS;\r |
| 680 | }\r |
| 681 | \r |
| 682 | EFI_STATUS\r |
| 683 | UsbFloppyTestUnitReady (\r |
| 684 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 685 | )\r |
| 686 | /*++\r |
| 687 | \r |
| 688 | Routine Description:\r |
| 689 | Sends Test Unit ReadyPacket Command to the device.\r |
| 690 | \r |
| 691 | Arguments:\r |
| 692 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 693 | \r |
| 694 | Returns: \r |
| 695 | EFI_DEVICE_ERROR - Hardware error\r |
| 696 | EFI_SUCCESS - Success\r |
| 697 | --*/ \r |
| 698 | { \r |
| 699 | ATAPI_PACKET_COMMAND Packet; \r |
| 700 | EFI_STATUS Status;\r |
| 701 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 702 | UINT32 RetryIndex;\r |
| 703 | UINT32 MaximumRetryTimes;\r |
| 704 | \r |
| 705 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 706 | MaximumRetryTimes = 2;\r |
| 707 | //\r |
| 708 | // fill command packet \r |
| 709 | //\r |
| 710 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 711 | Packet.TestUnitReady.opcode = TEST_UNIT_READY;\r |
| 712 | \r |
| 713 | //\r |
| 714 | // send command packet\r |
| 715 | //\r |
| 716 | Status = EFI_DEVICE_ERROR;\r |
| 717 | \r |
| 718 | for (RetryIndex = 0; RetryIndex < MaximumRetryTimes && EFI_ERROR (Status); RetryIndex++) {\r |
| 719 | \r |
| 720 | Status = USBFloppyPacketCommand (\r |
| 721 | UsbFloppyDevice,\r |
| 722 | &Packet,\r |
| 723 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 724 | NULL,\r |
| 725 | 0,\r |
| 726 | EfiUsbNoData,\r |
| 727 | USBFLPTIMEOUT\r |
| 728 | );\r |
| 729 | \r |
| 730 | if (EFI_ERROR (Status)) {\r |
| 731 | gBS->Stall (100 * STALL_1_MILLI_SECOND);\r |
| 732 | }\r |
| 733 | }\r |
| 734 | \r |
| 735 | return Status;\r |
| 736 | }\r |
| 737 | \r |
| 738 | EFI_STATUS\r |
| 739 | USBFloppyWrite10 (\r |
| 740 | IN USB_FLOPPY_DEV *UsbFloppyDevice,\r |
| 741 | IN VOID *Buffer,\r |
| 742 | IN EFI_LBA Lba,\r |
| 743 | IN UINTN NumberOfBlocks\r |
| 744 | )\r |
| 745 | /*++\r |
| 746 | \r |
| 747 | Routine Description:\r |
| 748 | Sends Write10 Packet Command to device to perform data transfer\r |
| 749 | from host to device.\r |
| 750 | \r |
| 751 | Arguments:\r |
| 752 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 753 | Buffer - A pointer to the source buffer for the data. \r |
| 754 | The caller is responsible for either having implicit\r |
| 755 | or explicit ownership of the buffer.\r |
| 756 | Lba - The starting logical block address to written to \r |
| 757 | the device.\r |
| 758 | NumberOfBlocks - Indicates the number of blocks that the write \r |
| 759 | operation requests.\r |
| 760 | \r |
| 761 | Returns: \r |
| 762 | EFI_DEVICE_ERROR - Hardware error\r |
| 763 | EFI_SUCCESS - Success\r |
| 764 | --*/ \r |
| 765 | {\r |
| 766 | ATAPI_PACKET_COMMAND Packet;\r |
| 767 | READ10_CMD *Write10Packet;\r |
| 768 | UINT16 MaxBlock;\r |
| 769 | UINT16 BlocksRemaining;\r |
| 770 | UINT16 SectorCount;\r |
| 771 | UINT32 Lba32;\r |
| 772 | UINT32 BlockSize;\r |
| 773 | UINT32 ByteCount;\r |
| 774 | VOID *ptrBuffer;\r |
| 775 | EFI_STATUS Status;\r |
| 776 | UINT16 TimeOut;\r |
| 777 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 778 | UINTN SenseCounts;\r |
| 779 | \r |
| 780 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 781 | \r |
| 782 | //\r |
| 783 | // prepare command packet for the Write10 Packet Command.\r |
| 784 | //\r |
| 785 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 786 | Write10Packet = &Packet.Read10;\r |
| 787 | Lba32 = (UINT32) Lba;\r |
| 788 | ptrBuffer = Buffer;\r |
| 789 | BlockSize = UsbFloppyDevice->BlkIo.Media->BlockSize;\r |
| 790 | \r |
| 791 | MaxBlock = (UINT16) (65536 / BlockSize);\r |
| 792 | BlocksRemaining = (UINT16) NumberOfBlocks;\r |
| 793 | \r |
| 794 | Status = EFI_SUCCESS;\r |
| 795 | while (BlocksRemaining > 0) {\r |
| 796 | \r |
| 797 | if (BlocksRemaining <= MaxBlock) {\r |
| 798 | \r |
| 799 | SectorCount = BlocksRemaining;\r |
| 800 | } else {\r |
| 801 | \r |
| 802 | SectorCount = MaxBlock;\r |
| 803 | }\r |
| 804 | //\r |
| 805 | // fill the Packet data structure\r |
| 806 | //\r |
| 807 | Write10Packet->opcode = WRITE_10;\r |
| 808 | \r |
| 809 | //\r |
| 810 | // Lba0 ~ Lba3 specify the start logical block address\r |
| 811 | // of the data transfer.\r |
| 812 | // Lba0 is MSB, Lba3 is LSB\r |
| 813 | //\r |
| 814 | Write10Packet->Lba3 = (UINT8) (Lba32 & 0xff);\r |
| 815 | Write10Packet->Lba2 = (UINT8) (Lba32 >> 8);\r |
| 816 | Write10Packet->Lba1 = (UINT8) (Lba32 >> 16);\r |
| 817 | Write10Packet->Lba0 = (UINT8) (Lba32 >> 24);\r |
| 818 | \r |
| 819 | //\r |
| 820 | // TranLen0 ~ TranLen1 specify the transfer length in block unit.\r |
| 821 | // TranLen0 is MSB, TranLen is LSB\r |
| 822 | //\r |
| 823 | Write10Packet->TranLen1 = (UINT8) (SectorCount & 0xff);\r |
| 824 | Write10Packet->TranLen0 = (UINT8) (SectorCount >> 8);\r |
| 825 | \r |
| 826 | ByteCount = SectorCount * BlockSize;\r |
| 827 | \r |
| 828 | TimeOut = (UINT16) (SectorCount * USBFLPTIMEOUT);\r |
| 829 | \r |
| 830 | Status = USBFloppyPacketCommand (\r |
| 831 | UsbFloppyDevice,\r |
| 832 | &Packet,\r |
| 833 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 834 | (VOID *) ptrBuffer,\r |
| 835 | ByteCount,\r |
| 836 | EfiUsbDataOut,\r |
| 837 | TimeOut\r |
| 838 | );\r |
| 839 | if (EFI_ERROR (Status)) {\r |
| 840 | Status = UsbFloppyRequestSense (UsbFloppyDevice, &SenseCounts);\r |
| 841 | if (!EFI_ERROR (Status)) {\r |
| 842 | if (IsLogicalUnitCommunicationOverRun (\r |
| 843 | UsbFloppyDevice->SenseData,\r |
| 844 | SenseCounts\r |
| 845 | )) {\r |
| 846 | Lba32 = (UINT32) Lba;\r |
| 847 | ptrBuffer = Buffer;\r |
| 848 | BlocksRemaining = (UINT16) NumberOfBlocks;\r |
| 849 | MaxBlock = (UINT16) (MaxBlock / 4);\r |
| 850 | if (MaxBlock < 1) {\r |
| 851 | MaxBlock = 1;\r |
| 852 | }\r |
| 853 | \r |
| 854 | continue;\r |
| 855 | }\r |
| 856 | }\r |
| 857 | //\r |
| 858 | // retry write10 command\r |
| 859 | //\r |
| 860 | Status = USBFloppyPacketCommand (\r |
| 861 | UsbFloppyDevice,\r |
| 862 | &Packet,\r |
| 863 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 864 | (VOID *) ptrBuffer,\r |
| 865 | ByteCount,\r |
| 866 | EfiUsbDataOut,\r |
| 867 | TimeOut\r |
| 868 | );\r |
| 869 | if (EFI_ERROR (Status)) {\r |
| 870 | return EFI_DEVICE_ERROR;\r |
| 871 | }\r |
| 872 | }\r |
| 873 | \r |
| 874 | Lba32 += SectorCount;\r |
| 875 | ptrBuffer = (UINT8 *) ptrBuffer + SectorCount * BlockSize;\r |
| 876 | BlocksRemaining = (UINT16) (BlocksRemaining - SectorCount);\r |
| 877 | }\r |
| 878 | \r |
| 879 | return Status;\r |
| 880 | }\r |
| 881 | \r |
| 882 | EFI_STATUS\r |
| 883 | UsbFloppyDetectMedia (\r |
| 884 | IN USB_FLOPPY_DEV *UsbFloppyDevice,\r |
| 885 | OUT BOOLEAN *MediaChange\r |
| 886 | )\r |
| 887 | /*++\r |
| 888 | \r |
| 889 | Routine Description:\r |
| 890 | Retrieves media information.\r |
| 891 | \r |
| 892 | Arguments:\r |
| 893 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 894 | MediaChange - Indicates whether media was changed.\r |
| 895 | \r |
| 896 | Returns: \r |
| 897 | EFI_DEVICE_ERROR - Hardware error\r |
| 898 | EFI_SUCCESS - Success\r |
| 899 | EFI_INVALID_PARAMETER - Parameter is error\r |
| 900 | --*/ \r |
| 901 | {\r |
| 902 | EFI_STATUS Status;\r |
| 903 | EFI_STATUS FloppyStatus;\r |
| 904 | //\r |
| 905 | // the following variables are used to record previous media information\r |
| 906 | //\r |
| 907 | EFI_BLOCK_IO_MEDIA OldMediaInfo;\r |
| 908 | UINTN SenseCounts;\r |
| 909 | UINTN RetryIndex;\r |
| 910 | UINTN RetryTimes;\r |
| 911 | UINTN MaximumRetryTimes;\r |
| 912 | BOOLEAN NeedRetry;\r |
| 913 | \r |
| 914 | //\r |
| 915 | // a flag used to determine whether need to perform Read Capacity command.\r |
| 916 | //\r |
| 917 | BOOLEAN NeedReadCapacity;\r |
| 918 | \r |
| 919 | REQUEST_SENSE_DATA *SensePtr;\r |
| 920 | \r |
| 921 | //\r |
| 922 | // init\r |
| 923 | //\r |
| 924 | Status = EFI_SUCCESS;\r |
| 925 | FloppyStatus = EFI_SUCCESS;\r |
| 926 | CopyMem (&OldMediaInfo, UsbFloppyDevice->BlkIo.Media, sizeof (OldMediaInfo));\r |
| 927 | *MediaChange = FALSE;\r |
| 928 | NeedReadCapacity = TRUE;\r |
| 929 | \r |
| 930 | //\r |
| 931 | // if there is no media present,or media not changed,\r |
| 932 | // the request sense command will detect faster than read capacity command.\r |
| 933 | // read capacity command can be bypassed, thus improve performance.\r |
| 934 | //\r |
| 935 | SenseCounts = 0;\r |
| 936 | Status = UsbFloppyRequestSense (UsbFloppyDevice, &SenseCounts);\r |
| 937 | \r |
| 938 | if (!EFI_ERROR (Status)) {\r |
| 939 | \r |
| 940 | SensePtr = UsbFloppyDevice->SenseData;\r |
| 941 | \r |
| 942 | //\r |
| 943 | // No Media\r |
| 944 | //\r |
| 945 | if (IsNoMedia (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 946 | \r |
| 947 | NeedReadCapacity = FALSE;\r |
| 948 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 949 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 950 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 951 | } else {\r |
| 952 | //\r |
| 953 | // Media Changed\r |
| 954 | //\r |
| 955 | if (IsMediaChange (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 956 | UsbFloppyDevice->BlkIo.Media->MediaId++;\r |
| 957 | }\r |
| 958 | \r |
| 959 | //\r |
| 960 | // Media Write-protected\r |
| 961 | //\r |
| 962 | if (IsMediaWriteProtected (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 963 | UsbFloppyDevice->BlkIo.Media->ReadOnly = TRUE;\r |
| 964 | }\r |
| 965 | \r |
| 966 | //\r |
| 967 | // Media Error\r |
| 968 | //\r |
| 969 | if (IsMediaError (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 970 | //\r |
| 971 | // if media error encountered, make it look like no media present.\r |
| 972 | //\r |
| 973 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 974 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 975 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 976 | }\r |
| 977 | \r |
| 978 | }\r |
| 979 | \r |
| 980 | }\r |
| 981 | \r |
| 982 | if (NeedReadCapacity) {\r |
| 983 | //\r |
| 984 | // at most retry 5 times\r |
| 985 | //\r |
| 986 | MaximumRetryTimes = 5;\r |
| 987 | //\r |
| 988 | // initial retry twice\r |
| 989 | //\r |
| 990 | RetryTimes = 2;\r |
| 991 | \r |
| 992 | for (RetryIndex = 0; (RetryIndex < RetryTimes) && (RetryIndex < MaximumRetryTimes); RetryIndex++) {\r |
| 993 | //\r |
| 994 | // Using different command to retrieve media capacity.\r |
| 995 | //\r |
| 996 | switch (UsbFloppyDevice->DeviceType) {\r |
| 997 | \r |
| 998 | case USBCDROM:\r |
| 999 | Status = USBFloppyReadCapacity (UsbFloppyDevice);\r |
| 1000 | break;\r |
| 1001 | \r |
| 1002 | case USBFLOPPY2:\r |
| 1003 | UsbMassStorageModeSense (UsbFloppyDevice);\r |
| 1004 | Status = USBFloppyReadFormatCapacity (UsbFloppyDevice);\r |
| 1005 | if (EFI_ERROR (Status) || !UsbFloppyDevice->BlkMedia.MediaPresent) {\r |
| 1006 | //\r |
| 1007 | // retry the ReadCapacity command\r |
| 1008 | //\r |
| 1009 | UsbFloppyDevice->DeviceType = USBFLOPPY;\r |
| 1010 | Status = EFI_DEVICE_ERROR;\r |
| 1011 | }\r |
| 1012 | break;\r |
| 1013 | \r |
| 1014 | case USBFLOPPY:\r |
| 1015 | UsbMassStorageModeSense (UsbFloppyDevice);\r |
| 1016 | Status = USBFloppyReadCapacity (UsbFloppyDevice);\r |
| 1017 | if (EFI_ERROR (Status)) {\r |
| 1018 | //\r |
| 1019 | // retry the ReadFormatCapacity command\r |
| 1020 | //\r |
| 1021 | UsbFloppyDevice->DeviceType = USBFLOPPY2;\r |
| 1022 | }\r |
| 1023 | //\r |
| 1024 | // force the BlockSize to be 0x200.\r |
| 1025 | //\r |
| 1026 | UsbFloppyDevice->BlkIo.Media->BlockSize = 0x200;\r |
| 1027 | break;\r |
| 1028 | \r |
| 1029 | default:\r |
| 1030 | return EFI_INVALID_PARAMETER;\r |
| 1031 | }\r |
| 1032 | \r |
| 1033 | if (!EFI_ERROR (Status)) {\r |
| 1034 | //\r |
| 1035 | // skip the loop when read capacity succeeds.\r |
| 1036 | //\r |
| 1037 | break;\r |
| 1038 | }\r |
| 1039 | \r |
| 1040 | SenseCounts = 0;\r |
| 1041 | \r |
| 1042 | FloppyStatus = UsbFloppyRequestSense (UsbFloppyDevice, &SenseCounts);\r |
| 1043 | \r |
| 1044 | //\r |
| 1045 | // If Request Sense data failed,retry.\r |
| 1046 | //\r |
| 1047 | if (EFI_ERROR (FloppyStatus)) {\r |
| 1048 | //\r |
| 1049 | // retry once more\r |
| 1050 | //\r |
| 1051 | RetryTimes++;\r |
| 1052 | continue;\r |
| 1053 | }\r |
| 1054 | //\r |
| 1055 | // No Media\r |
| 1056 | //\r |
| 1057 | if (IsNoMedia (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 1058 | \r |
| 1059 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 1060 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 1061 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 1062 | break;\r |
| 1063 | }\r |
| 1064 | \r |
| 1065 | if (IsMediaError (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 1066 | //\r |
| 1067 | // if media error encountered, make it look like no media present.\r |
| 1068 | //\r |
| 1069 | UsbFloppyDevice->BlkIo.Media->MediaId = 0;\r |
| 1070 | UsbFloppyDevice->BlkIo.Media->MediaPresent = FALSE;\r |
| 1071 | UsbFloppyDevice->BlkIo.Media->LastBlock = 0;\r |
| 1072 | break;\r |
| 1073 | }\r |
| 1074 | \r |
| 1075 | if (IsMediaWriteProtected (UsbFloppyDevice->SenseData, SenseCounts)) {\r |
| 1076 | UsbFloppyDevice->BlkIo.Media->ReadOnly = TRUE;\r |
| 1077 | continue;\r |
| 1078 | }\r |
| 1079 | \r |
| 1080 | if (!IsDriveReady (UsbFloppyDevice->SenseData, SenseCounts, &NeedRetry)) {\r |
| 1081 | \r |
| 1082 | //\r |
| 1083 | // Drive not ready: if NeedRetry, then retry once more;\r |
| 1084 | // else return error\r |
| 1085 | //\r |
| 1086 | if (NeedRetry) {\r |
| 1087 | //\r |
| 1088 | // Stall 0.1 second to wait for drive becoming ready\r |
| 1089 | //\r |
| 1090 | gBS->Stall (100 * STALL_1_MILLI_SECOND);\r |
| 1091 | //\r |
| 1092 | // reset retry variable to zero,\r |
| 1093 | // to make it retry for "drive in progress of becoming ready".\r |
| 1094 | //\r |
| 1095 | RetryIndex = 0;\r |
| 1096 | continue;\r |
| 1097 | } else {\r |
| 1098 | return EFI_DEVICE_ERROR;\r |
| 1099 | }\r |
| 1100 | }\r |
| 1101 | //\r |
| 1102 | // if read capacity fail not for above reasons, retry once more\r |
| 1103 | //\r |
| 1104 | RetryTimes++;\r |
| 1105 | \r |
| 1106 | }\r |
| 1107 | //\r |
| 1108 | // ENDFOR\r |
| 1109 | //\r |
| 1110 | \r |
| 1111 | //\r |
| 1112 | // tell whether the readcapacity process is successful or not\r |
| 1113 | // ("Status" variable record the latest status returned\r |
| 1114 | // by ReadCapacity AND "FloppyStatus" record the latest status\r |
| 1115 | // returned by RequestSense)\r |
| 1116 | //\r |
| 1117 | if (EFI_ERROR (Status) && EFI_ERROR (FloppyStatus)) {\r |
| 1118 | return EFI_DEVICE_ERROR;\r |
| 1119 | }\r |
| 1120 | \r |
| 1121 | }\r |
| 1122 | \r |
| 1123 | if (UsbFloppyDevice->BlkIo.Media->MediaPresent != OldMediaInfo.MediaPresent) {\r |
| 1124 | \r |
| 1125 | if (UsbFloppyDevice->BlkIo.Media->MediaPresent) {\r |
| 1126 | UsbFloppyDevice->BlkIo.Media->MediaId = 1;\r |
| 1127 | }\r |
| 1128 | \r |
| 1129 | *MediaChange = TRUE;\r |
| 1130 | }\r |
| 1131 | \r |
| 1132 | if (UsbFloppyDevice->BlkIo.Media->ReadOnly != OldMediaInfo.ReadOnly) {\r |
| 1133 | *MediaChange = TRUE;\r |
| 1134 | UsbFloppyDevice->BlkIo.Media->MediaId += 1;\r |
| 1135 | }\r |
| 1136 | \r |
| 1137 | if (UsbFloppyDevice->BlkIo.Media->BlockSize != OldMediaInfo.BlockSize) {\r |
| 1138 | *MediaChange = TRUE;\r |
| 1139 | UsbFloppyDevice->BlkIo.Media->MediaId += 1;\r |
| 1140 | }\r |
| 1141 | \r |
| 1142 | if (UsbFloppyDevice->BlkIo.Media->LastBlock != OldMediaInfo.LastBlock) {\r |
| 1143 | *MediaChange = TRUE;\r |
| 1144 | UsbFloppyDevice->BlkIo.Media->MediaId += 1;\r |
| 1145 | }\r |
| 1146 | \r |
| 1147 | if (UsbFloppyDevice->BlkIo.Media->MediaId != OldMediaInfo.MediaId) {\r |
| 1148 | *MediaChange = TRUE;\r |
| 1149 | }\r |
| 1150 | \r |
| 1151 | return EFI_SUCCESS;\r |
| 1152 | }\r |
| 1153 | \r |
| 1154 | \r |
| 1155 | \r |
| 1156 | EFI_STATUS\r |
| 1157 | UsbFloppyModeSense5APage5 (\r |
| 1158 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 1159 | )\r |
| 1160 | /*++\r |
| 1161 | \r |
| 1162 | Routine Description:\r |
| 1163 | Retrieves media capacity information via sending Read Format \r |
| 1164 | Capacity Packet Command.\r |
| 1165 | \r |
| 1166 | Arguments:\r |
| 1167 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 1168 | \r |
| 1169 | Returns: \r |
| 1170 | EFI_DEVICE_ERROR - Hardware error\r |
| 1171 | EFI_SUCCESS - Success\r |
| 1172 | \r |
| 1173 | --*/ \r |
| 1174 | { \r |
| 1175 | //\r |
| 1176 | // status returned by Read Capacity Packet Command\r |
| 1177 | //\r |
| 1178 | EFI_STATUS Status;\r |
| 1179 | ATAPI_PACKET_COMMAND Packet;\r |
| 1180 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 1181 | UFI_MODE_PARAMETER_PAGE_5 ModePage5;\r |
| 1182 | EFI_LBA LastBlock;\r |
| 1183 | UINT32 SectorsPerTrack;\r |
| 1184 | UINT32 NumberOfCylinders;\r |
| 1185 | UINT32 NumberOfHeads;\r |
| 1186 | UINT32 DataBytesPerSector;\r |
| 1187 | \r |
| 1188 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 1189 | \r |
| 1190 | ZeroMem (&ModePage5, sizeof (UFI_MODE_PARAMETER_PAGE_5));\r |
| 1191 | \r |
| 1192 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 1193 | Packet.ModeSenseUFI.opcode = UFI_MODE_SENSE5A;\r |
| 1194 | //\r |
| 1195 | // Flexible Disk Page\r |
| 1196 | //\r |
| 1197 | Packet.ModeSenseUFI.page_code = 5;\r |
| 1198 | //\r |
| 1199 | // current values\r |
| 1200 | //\r |
| 1201 | Packet.ModeSenseUFI.page_control = 0;\r |
| 1202 | Packet.ModeSenseUFI.parameter_list_length_hi = 0;\r |
| 1203 | Packet.ModeSenseUFI.parameter_list_length_lo = sizeof (UFI_MODE_PARAMETER_PAGE_5);\r |
| 1204 | Status = USBFloppyPacketCommand (\r |
| 1205 | UsbFloppyDevice,\r |
| 1206 | &Packet,\r |
| 1207 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 1208 | (VOID *) &ModePage5,\r |
| 1209 | sizeof (UFI_MODE_PARAMETER_PAGE_5),\r |
| 1210 | EfiUsbDataIn,\r |
| 1211 | USBFLPTIMEOUT\r |
| 1212 | );\r |
| 1213 | \r |
| 1214 | if (EFI_ERROR (Status)) {\r |
| 1215 | return EFI_DEVICE_ERROR;\r |
| 1216 | }\r |
| 1217 | \r |
| 1218 | NumberOfHeads = ModePage5.flex_disk_page.number_of_heads;\r |
| 1219 | SectorsPerTrack = ModePage5.flex_disk_page.sectors_per_track;\r |
| 1220 | NumberOfCylinders = ModePage5.flex_disk_page.number_of_cylinders_msb << 8 |\r |
| 1221 | ModePage5.flex_disk_page.number_of_cylinders_lsb;\r |
| 1222 | \r |
| 1223 | LastBlock = SectorsPerTrack * NumberOfHeads * NumberOfCylinders;\r |
| 1224 | DataBytesPerSector = ModePage5.flex_disk_page.databytes_per_sector_msb << 8 |\r |
| 1225 | ModePage5.flex_disk_page.databytes_per_sector_lsb;\r |
| 1226 | \r |
| 1227 | UsbFloppyDevice->BlkIo.Media->LastBlock = LastBlock;\r |
| 1228 | \r |
| 1229 | UsbFloppyDevice->BlkIo.Media->LastBlock--;\r |
| 1230 | \r |
| 1231 | UsbFloppyDevice->BlkIo.Media->BlockSize = DataBytesPerSector;\r |
| 1232 | \r |
| 1233 | UsbFloppyDevice->BlkIo.Media->MediaPresent = TRUE;\r |
| 1234 | \r |
| 1235 | UsbFloppyDevice->BlkIo.Media->ReadOnly =\r |
| 1236 | ModePage5.mode_param_header.write_protected;\r |
| 1237 | \r |
| 1238 | return EFI_SUCCESS;\r |
| 1239 | \r |
| 1240 | }\r |
| 1241 | \r |
| 1242 | EFI_STATUS\r |
| 1243 | UsbFloppyModeSense5APage1C (\r |
| 1244 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 1245 | )\r |
| 1246 | /*++\r |
| 1247 | \r |
| 1248 | Routine Description:\r |
| 1249 | Retrieves media capacity information via sending Read Format \r |
| 1250 | Capacity Packet Command.\r |
| 1251 | \r |
| 1252 | Arguments:\r |
| 1253 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 1254 | \r |
| 1255 | Returns: \r |
| 1256 | EFI_DEVICE_ERROR - Hardware error\r |
| 1257 | EFI_SUCCESS - Success\r |
| 1258 | \r |
| 1259 | --*/ \r |
| 1260 | { \r |
| 1261 | //\r |
| 1262 | // status returned by Read Capacity Packet Command\r |
| 1263 | //\r |
| 1264 | EFI_STATUS Status;\r |
| 1265 | ATAPI_PACKET_COMMAND Packet;\r |
| 1266 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 1267 | UFI_MODE_PARAMETER_PAGE_1C ModePage1C;\r |
| 1268 | \r |
| 1269 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 1270 | \r |
| 1271 | ZeroMem (&ModePage1C, sizeof (UFI_MODE_PARAMETER_PAGE_1C));\r |
| 1272 | \r |
| 1273 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 1274 | Packet.ModeSenseUFI.opcode = UFI_MODE_SENSE5A;\r |
| 1275 | //\r |
| 1276 | // Flexible Disk Page\r |
| 1277 | //\r |
| 1278 | Packet.ModeSenseUFI.page_code = 0x1C;\r |
| 1279 | //\r |
| 1280 | // current values\r |
| 1281 | //\r |
| 1282 | Packet.ModeSenseUFI.page_control = 0;\r |
| 1283 | Packet.ModeSenseUFI.parameter_list_length_hi = 0;\r |
| 1284 | Packet.ModeSenseUFI.parameter_list_length_lo = sizeof (UFI_MODE_PARAMETER_PAGE_1C);\r |
| 1285 | Status = USBFloppyPacketCommand (\r |
| 1286 | UsbFloppyDevice,\r |
| 1287 | &Packet,\r |
| 1288 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 1289 | (VOID *) &ModePage1C,\r |
| 1290 | sizeof (UFI_MODE_PARAMETER_PAGE_1C),\r |
| 1291 | EfiUsbDataIn,\r |
| 1292 | USBFLPTIMEOUT\r |
| 1293 | );\r |
| 1294 | \r |
| 1295 | if (EFI_ERROR (Status)) {\r |
| 1296 | return EFI_DEVICE_ERROR;\r |
| 1297 | }\r |
| 1298 | \r |
| 1299 | UsbFloppyDevice->BlkIo.Media->ReadOnly = ModePage1C.mode_param_header.write_protected;\r |
| 1300 | \r |
| 1301 | return EFI_SUCCESS;\r |
| 1302 | \r |
| 1303 | }\r |
| 1304 | \r |
| 1305 | EFI_STATUS\r |
| 1306 | UsbMassStorageModeSense (\r |
| 1307 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 1308 | )\r |
| 1309 | {\r |
| 1310 | if (UsbFloppyDevice->AtapiProtocol->CommandProtocol == EFI_USB_SUBCLASS_SCSI) {\r |
| 1311 | return UsbSCSIModeSense1APage3F (UsbFloppyDevice);\r |
| 1312 | } else {\r |
| 1313 | return UsbFloppyModeSense5APage3F (UsbFloppyDevice);\r |
| 1314 | }\r |
| 1315 | }\r |
| 1316 | \r |
| 1317 | EFI_STATUS\r |
| 1318 | UsbFloppyModeSense5APage3F (\r |
| 1319 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 1320 | )\r |
| 1321 | /*++\r |
| 1322 | \r |
| 1323 | Routine Description:\r |
| 1324 | Retrieves mode sense information via sending Mode Sense\r |
| 1325 | Packet Command.\r |
| 1326 | \r |
| 1327 | Arguments:\r |
| 1328 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 1329 | \r |
| 1330 | Returns: \r |
| 1331 | EFI_DEVICE_ERROR - Hardware error\r |
| 1332 | EFI_SUCCESS - Success\r |
| 1333 | \r |
| 1334 | --*/ \r |
| 1335 | { \r |
| 1336 | //\r |
| 1337 | // status returned by Read Capacity Packet Command\r |
| 1338 | //\r |
| 1339 | EFI_STATUS Status;\r |
| 1340 | ATAPI_PACKET_COMMAND Packet;\r |
| 1341 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 1342 | UFI_MODE_PARAMETER_HEADER Header;\r |
| 1343 | UINT32 Size;\r |
| 1344 | \r |
| 1345 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 1346 | \r |
| 1347 | Size = sizeof (UFI_MODE_PARAMETER_HEADER);\r |
| 1348 | \r |
| 1349 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 1350 | Packet.ModeSenseUFI.opcode = UFI_MODE_SENSE5A;\r |
| 1351 | Packet.ModeSenseUFI.page_code = 0x3F;\r |
| 1352 | Packet.ModeSenseUFI.page_control = 0;\r |
| 1353 | Packet.ModeSenseUFI.parameter_list_length_hi = 0;\r |
| 1354 | Packet.ModeSenseUFI.parameter_list_length_lo = (UINT8) Size;\r |
| 1355 | Status = USBFloppyPacketCommand (\r |
| 1356 | UsbFloppyDevice,\r |
| 1357 | &Packet,\r |
| 1358 | sizeof (ATAPI_PACKET_COMMAND),\r |
| 1359 | &Header,\r |
| 1360 | Size,\r |
| 1361 | EfiUsbDataIn,\r |
| 1362 | USBFLPTIMEOUT\r |
| 1363 | );\r |
| 1364 | \r |
| 1365 | if (EFI_ERROR (Status)) {\r |
| 1366 | return EFI_DEVICE_ERROR;\r |
| 1367 | }\r |
| 1368 | \r |
| 1369 | UsbFloppyDevice->BlkIo.Media->ReadOnly = Header.write_protected;\r |
| 1370 | \r |
| 1371 | return EFI_SUCCESS;\r |
| 1372 | \r |
| 1373 | }\r |
| 1374 | \r |
| 1375 | EFI_STATUS\r |
| 1376 | UsbSCSIModeSense1APage3F (\r |
| 1377 | IN USB_FLOPPY_DEV *UsbFloppyDevice\r |
| 1378 | )\r |
| 1379 | /*++\r |
| 1380 | \r |
| 1381 | Routine Description:\r |
| 1382 | Retrieves mode sense information via sending Mode Sense\r |
| 1383 | Packet Command.\r |
| 1384 | \r |
| 1385 | Arguments:\r |
| 1386 | UsbFloppyDevice - The USB_FLOPPY_DEV instance.\r |
| 1387 | \r |
| 1388 | Returns: \r |
| 1389 | EFI_DEVICE_ERROR - Hardware error\r |
| 1390 | EFI_SUCCESS - Success\r |
| 1391 | \r |
| 1392 | --*/ \r |
| 1393 | { \r |
| 1394 | //\r |
| 1395 | // status returned by Read Capacity Packet Command\r |
| 1396 | //\r |
| 1397 | EFI_STATUS Status;\r |
| 1398 | ATAPI_PACKET_COMMAND Packet;\r |
| 1399 | EFI_USB_ATAPI_PROTOCOL *UsbAtapiInterface;\r |
| 1400 | SCSI_MODE_PARAMETER_HEADER6 Header;\r |
| 1401 | UINT32 Size;\r |
| 1402 | \r |
| 1403 | UsbAtapiInterface = UsbFloppyDevice->AtapiProtocol;\r |
| 1404 | \r |
| 1405 | Size = sizeof (SCSI_MODE_PARAMETER_HEADER6);\r |
| 1406 | \r |
| 1407 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r |
| 1408 | Packet.ModeSenseSCSI.opcode = SCSI_MODE_SENSE1A;\r |
| 1409 | Packet.ModeSenseSCSI.page_code = 0x3F;\r |
| 1410 | Packet.ModeSenseSCSI.page_control = 0;\r |
| 1411 | Packet.ModeSenseSCSI.allocation_length = (UINT8) Size;\r |
| 1412 | Status = USBFloppyPacketCommand (\r |
| 1413 | UsbFloppyDevice,\r |
| 1414 | &Packet,\r |
| 1415 | sizeof (MODE_SENSE_CMD_SCSI),\r |
| 1416 | &Header,\r |
| 1417 | Size,\r |
| 1418 | EfiUsbDataIn,\r |
| 1419 | USBFLPTIMEOUT\r |
| 1420 | );\r |
| 1421 | \r |
| 1422 | if (EFI_ERROR (Status)) {\r |
| 1423 | return EFI_DEVICE_ERROR;\r |
| 1424 | }\r |
| 1425 | \r |
| 1426 | UsbFloppyDevice->BlkIo.Media->ReadOnly = Header.write_protected;\r |
| 1427 | return EFI_SUCCESS;\r |
| 1428 | \r |
| 1429 | }\r |
| 1430 | \r |
| 1431 | /*++\r |
| 1432 | \r |
| 1433 | The following functions are a set of helper functions,\r |
| 1434 | which are used to parse sense key returned by the device.\r |
| 1435 | \r |
| 1436 | --*/\r |
| 1437 | BOOLEAN\r |
| 1438 | IsNoMedia (\r |
| 1439 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 1440 | IN UINTN SenseCounts\r |
| 1441 | )\r |
| 1442 | {\r |
| 1443 | REQUEST_SENSE_DATA *SensePtr;\r |
| 1444 | UINTN Index;\r |
| 1445 | BOOLEAN NoMedia;\r |
| 1446 | \r |
| 1447 | NoMedia = FALSE;\r |
| 1448 | \r |
| 1449 | SensePtr = SenseData;\r |
| 1450 | \r |
| 1451 | for (Index = 0; Index < SenseCounts; Index++) {\r |
| 1452 | \r |
| 1453 | if ((SensePtr->sense_key == SK_NOT_READY) && \r |
| 1454 | (SensePtr->addnl_sense_code == ASC_NO_MEDIA)) {\r |
| 1455 | \r |
| 1456 | NoMedia = TRUE;\r |
| 1457 | }\r |
| 1458 | \r |
| 1459 | SensePtr++;\r |
| 1460 | }\r |
| 1461 | \r |
| 1462 | return NoMedia;\r |
| 1463 | }\r |
| 1464 | \r |
| 1465 | \r |
| 1466 | BOOLEAN\r |
| 1467 | IsMediaError (\r |
| 1468 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 1469 | IN UINTN SenseCounts\r |
| 1470 | )\r |
| 1471 | {\r |
| 1472 | REQUEST_SENSE_DATA *SensePtr;\r |
| 1473 | UINTN Index;\r |
| 1474 | BOOLEAN IsError;\r |
| 1475 | \r |
| 1476 | IsError = FALSE;\r |
| 1477 | SensePtr = SenseData;\r |
| 1478 | \r |
| 1479 | for (Index = 0; Index < SenseCounts; Index++) {\r |
| 1480 | \r |
| 1481 | switch (SensePtr->sense_key) {\r |
| 1482 | \r |
| 1483 | //\r |
| 1484 | // Medium error case\r |
| 1485 | //\r |
| 1486 | case SK_MEDIUM_ERROR:\r |
| 1487 | switch (SensePtr->addnl_sense_code) {\r |
| 1488 | \r |
| 1489 | case ASC_MEDIA_ERR1:\r |
| 1490 | case ASC_MEDIA_ERR2:\r |
| 1491 | case ASC_MEDIA_ERR3:\r |
| 1492 | case ASC_MEDIA_ERR4:\r |
| 1493 | IsError = TRUE;\r |
| 1494 | break;\r |
| 1495 | \r |
| 1496 | default:\r |
| 1497 | break;\r |
| 1498 | }\r |
| 1499 | \r |
| 1500 | break;\r |
| 1501 | \r |
| 1502 | //\r |
| 1503 | // Medium upside-down case\r |
| 1504 | //\r |
| 1505 | case SK_NOT_READY:\r |
| 1506 | switch (SensePtr->addnl_sense_code) {\r |
| 1507 | case ASC_MEDIA_UPSIDE_DOWN:\r |
| 1508 | IsError = TRUE;\r |
| 1509 | break;\r |
| 1510 | \r |
| 1511 | default:\r |
| 1512 | break;\r |
| 1513 | }\r |
| 1514 | break;\r |
| 1515 | \r |
| 1516 | default:\r |
| 1517 | break;\r |
| 1518 | }\r |
| 1519 | \r |
| 1520 | SensePtr++;\r |
| 1521 | }\r |
| 1522 | \r |
| 1523 | return IsError;\r |
| 1524 | }\r |
| 1525 | \r |
| 1526 | BOOLEAN\r |
| 1527 | IsMediaChange (\r |
| 1528 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 1529 | IN UINTN SenseCounts\r |
| 1530 | )\r |
| 1531 | {\r |
| 1532 | REQUEST_SENSE_DATA *SensePtr;\r |
| 1533 | UINTN Index;\r |
| 1534 | BOOLEAN MediaChanged;\r |
| 1535 | \r |
| 1536 | MediaChanged = FALSE;\r |
| 1537 | SensePtr = SenseData;\r |
| 1538 | \r |
| 1539 | for (Index = 0; Index < SenseCounts; Index++) {\r |
| 1540 | \r |
| 1541 | if ((SensePtr->sense_key == SK_UNIT_ATTENTION) &&\r |
| 1542 | (SensePtr->addnl_sense_code == ASC_MEDIA_CHANGE)) {\r |
| 1543 | \r |
| 1544 | MediaChanged = TRUE;\r |
| 1545 | }\r |
| 1546 | \r |
| 1547 | SensePtr++;\r |
| 1548 | }\r |
| 1549 | \r |
| 1550 | return MediaChanged;\r |
| 1551 | }\r |
| 1552 | \r |
| 1553 | BOOLEAN\r |
| 1554 | IsDriveReady (\r |
| 1555 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 1556 | IN UINTN SenseCounts,\r |
| 1557 | OUT BOOLEAN *NeedRetry\r |
| 1558 | )\r |
| 1559 | {\r |
| 1560 | REQUEST_SENSE_DATA *SensePtr;\r |
| 1561 | UINTN Index;\r |
| 1562 | BOOLEAN IsReady;\r |
| 1563 | \r |
| 1564 | IsReady = TRUE;\r |
| 1565 | *NeedRetry = FALSE;\r |
| 1566 | SensePtr = SenseData;\r |
| 1567 | \r |
| 1568 | for (Index = 0; Index < SenseCounts; Index++) {\r |
| 1569 | \r |
| 1570 | if ((SensePtr->sense_key == SK_NOT_READY) &&\r |
| 1571 | (SensePtr->addnl_sense_code == ASC_NOT_READY)) {\r |
| 1572 | \r |
| 1573 | switch (SensePtr->addnl_sense_code_qualifier) {\r |
| 1574 | \r |
| 1575 | case ASCQ_IN_PROGRESS:\r |
| 1576 | case ASCQ_DEVICE_BUSY:\r |
| 1577 | IsReady = FALSE;\r |
| 1578 | *NeedRetry = TRUE;\r |
| 1579 | break;\r |
| 1580 | \r |
| 1581 | default:\r |
| 1582 | //\r |
| 1583 | // Drive is in error condition,\r |
| 1584 | // no need to retry.\r |
| 1585 | //\r |
| 1586 | IsReady = FALSE;\r |
| 1587 | *NeedRetry = FALSE;\r |
| 1588 | break;\r |
| 1589 | }\r |
| 1590 | }\r |
| 1591 | \r |
| 1592 | SensePtr++;\r |
| 1593 | }\r |
| 1594 | \r |
| 1595 | return IsReady;\r |
| 1596 | }\r |
| 1597 | \r |
| 1598 | BOOLEAN\r |
| 1599 | IsMediaWriteProtected (\r |
| 1600 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 1601 | IN UINTN SenseCounts\r |
| 1602 | )\r |
| 1603 | {\r |
| 1604 | REQUEST_SENSE_DATA *SensePtr;\r |
| 1605 | UINTN Index;\r |
| 1606 | BOOLEAN IsWriteProtected;\r |
| 1607 | \r |
| 1608 | IsWriteProtected = FALSE;\r |
| 1609 | SensePtr = SenseData;\r |
| 1610 | \r |
| 1611 | for (Index = 0; Index < SenseCounts; Index++) {\r |
| 1612 | //\r |
| 1613 | // catch media write-protected condition.\r |
| 1614 | //\r |
| 1615 | if ((SensePtr->sense_key == SK_DATA_PROTECT) &&\r |
| 1616 | (SensePtr->addnl_sense_code == ASC_WRITE_PROTECTED)) {\r |
| 1617 | \r |
| 1618 | IsWriteProtected = TRUE;\r |
| 1619 | }\r |
| 1620 | \r |
| 1621 | SensePtr++;\r |
| 1622 | }\r |
| 1623 | \r |
| 1624 | return IsWriteProtected;\r |
| 1625 | }\r |
| 1626 | \r |
| 1627 | BOOLEAN\r |
| 1628 | IsLogicalUnitCommunicationOverRun (\r |
| 1629 | IN REQUEST_SENSE_DATA *SenseData,\r |
| 1630 | IN UINTN SenseCounts\r |
| 1631 | )\r |
| 1632 | {\r |
| 1633 | REQUEST_SENSE_DATA *SensePtr;\r |
| 1634 | UINTN Index;\r |
| 1635 | BOOLEAN IsOverRun;\r |
| 1636 | \r |
| 1637 | IsOverRun = FALSE;\r |
| 1638 | SensePtr = SenseData;\r |
| 1639 | \r |
| 1640 | for (Index = 0; Index < SenseCounts; Index++) {\r |
| 1641 | \r |
| 1642 | if ((SensePtr->sense_key == SK_NOT_READY) &&\r |
| 1643 | (SensePtr->addnl_sense_code == ASC_LOGICAL_UNIT_STATUS) &&\r |
| 1644 | (SensePtr->addnl_sense_code_qualifier == ASCQ_LOGICAL_UNIT_OVERRUN)) {\r |
| 1645 | IsOverRun = TRUE;\r |
| 1646 | }\r |
| 1647 | \r |
| 1648 | SensePtr++;\r |
| 1649 | }\r |
| 1650 | \r |
| 1651 | return IsOverRun;\r |
| 1652 | }\r |