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f8cd287b | 1 | /**@file\r |
11f43dfd | 2 | Include for ISA Floppy Driver\r |
3 | Define the data structure and so on\r | |
f8cd287b | 4 | \r |
5 | Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r | |
6 | All rights reserved. This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
11f43dfd | 10 | \r |
f8cd287b | 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11f43dfd | 13 | \r |
f8cd287b | 14 | **/\r |
11f43dfd | 15 | \r |
16 | #ifndef _ISA_FLOPPY_H\r | |
17 | #define _ISA_FLOPPY_H\r | |
18 | \r | |
19 | #include <PiDxe.h>\r | |
20 | #include <FrameworkPei.h>\r | |
ed7748fe | 21 | \r |
11f43dfd | 22 | #include <Protocol/BlockIo.h>\r |
23 | #include <Protocol/IsaIo.h>\r | |
24 | #include <Protocol/DevicePath.h>\r | |
ed7748fe | 25 | \r |
11f43dfd | 26 | #include <Library/TimerLib.h>\r |
27 | #include <Library/DebugLib.h>\r | |
28 | #include <Library/UefiDriverEntryPoint.h>\r | |
29 | #include <Library/BaseLib.h>\r | |
30 | #include <Library/UefiLib.h>\r | |
31 | #include <Library/BaseMemoryLib.h>\r | |
32 | #include <Library/MemoryAllocationLib.h>\r | |
33 | #include <Library/UefiBootServicesTableLib.h>\r | |
34 | #include <Library/ReportStatusCodeLib.h>\r | |
35 | //\r | |
36 | // Driver Binding Externs\r | |
37 | //\r | |
f3d08ccf | 38 | extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;\r |
39 | extern EFI_COMPONENT_NAME_PROTOCOL gIsaFloppyComponentName;\r | |
40 | extern EFI_COMPONENT_NAME2_PROTOCOL gIsaFloppyComponentName2;\r | |
11f43dfd | 41 | \r |
42 | //\r | |
43 | // define some value\r | |
44 | //\r | |
45 | #define STALL_1_SECOND 1000000\r | |
46 | #define STALL_1_MSECOND 1000\r | |
47 | \r | |
48 | #define DATA_IN 1\r | |
49 | #define DATA_OUT 0\r | |
50 | #define READ 0\r | |
51 | #define WRITE 1\r | |
52 | \r | |
53 | //\r | |
54 | // Internal Data Structures\r | |
55 | //\r | |
f02bd376 | 56 | #define FDC_BLK_IO_DEV_SIGNATURE SIGNATURE_32 ('F', 'B', 'I', 'O')\r |
57 | #define FLOPPY_CONTROLLER_CONTEXT_SIGNATURE SIGNATURE_32 ('F', 'D', 'C', 'C')\r | |
11f43dfd | 58 | \r |
59 | typedef enum {\r | |
60 | FDC_DISK0 = 0,\r | |
61 | FDC_DISK1 = 1,\r | |
62 | FDC_MAX_DISK= 2\r | |
63 | } EFI_FDC_DISK;\r | |
64 | \r | |
65 | typedef struct {\r | |
66 | UINT32 Signature;\r | |
67 | LIST_ENTRY Link;\r | |
68 | BOOLEAN FddResetPerformed;\r | |
69 | EFI_STATUS FddResetStatus;\r | |
70 | BOOLEAN NeedRecalibrate;\r | |
71 | UINT8 NumberOfDrive;\r | |
72 | UINT16 BaseAddress;\r | |
73 | } FLOPPY_CONTROLLER_CONTEXT;\r | |
74 | \r | |
75 | typedef struct {\r | |
76 | UINTN Signature;\r | |
77 | EFI_HANDLE Handle;\r | |
78 | EFI_BLOCK_IO_PROTOCOL BlkIo;\r | |
79 | EFI_BLOCK_IO_MEDIA BlkMedia;\r | |
80 | \r | |
81 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
82 | \r | |
83 | UINT16 BaseAddress;\r | |
84 | \r | |
85 | EFI_FDC_DISK Disk;\r | |
86 | UINT8 PresentCylinderNumber;\r | |
87 | UINT8 *Cache;\r | |
88 | \r | |
89 | EFI_EVENT Event;\r | |
90 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r | |
91 | FLOPPY_CONTROLLER_CONTEXT *ControllerState;\r | |
92 | \r | |
93 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
94 | } FDC_BLK_IO_DEV;\r | |
95 | \r | |
96 | #include "ComponentName.h"\r | |
97 | \r | |
98 | #define FDD_BLK_IO_FROM_THIS(a) CR (a, FDC_BLK_IO_DEV, BlkIo, FDC_BLK_IO_DEV_SIGNATURE)\r | |
99 | #define FLOPPY_CONTROLLER_FROM_LIST_ENTRY(a) \\r | |
100 | CR (a, \\r | |
101 | FLOPPY_CONTROLLER_CONTEXT, \\r | |
102 | Link, \\r | |
103 | FLOPPY_CONTROLLER_CONTEXT_SIGNATURE \\r | |
104 | )\r | |
105 | \r | |
106 | #define DISK_1440K_EOT 0x12\r | |
107 | #define DISK_1440K_GPL 0x1b\r | |
108 | #define DISK_1440K_DTL 0xff\r | |
109 | #define DISK_1440K_NUMBER 0x02\r | |
110 | #define DISK_1440K_MAXTRACKNUM 0x4f\r | |
111 | #define DISK_1440K_BYTEPERSECTOR 512\r | |
112 | \r | |
113 | typedef struct {\r | |
114 | UINT8 CommandCode;\r | |
115 | UINT8 DiskHeadSel;\r | |
116 | UINT8 Cylinder;\r | |
117 | UINT8 Head;\r | |
118 | UINT8 Sector;\r | |
119 | UINT8 Number;\r | |
120 | UINT8 EndOfTrack;\r | |
121 | UINT8 GapLength;\r | |
122 | UINT8 DataLength;\r | |
123 | } FDD_COMMAND_PACKET1;\r | |
124 | \r | |
125 | typedef struct {\r | |
126 | UINT8 CommandCode;\r | |
127 | UINT8 DiskHeadSel;\r | |
128 | } FDD_COMMAND_PACKET2;\r | |
129 | \r | |
130 | typedef struct {\r | |
131 | UINT8 CommandCode;\r | |
132 | UINT8 SrtHut;\r | |
133 | UINT8 HltNd;\r | |
134 | } FDD_SPECIFY_CMD;\r | |
135 | \r | |
136 | typedef struct {\r | |
137 | UINT8 CommandCode;\r | |
138 | UINT8 DiskHeadSel;\r | |
139 | UINT8 NewCylinder;\r | |
140 | } FDD_SEEK_CMD;\r | |
141 | \r | |
142 | typedef struct {\r | |
143 | UINT8 CommandCode;\r | |
144 | UINT8 DiskHeadSel;\r | |
145 | UINT8 Cylinder;\r | |
146 | UINT8 Head;\r | |
147 | UINT8 Sector;\r | |
148 | UINT8 EndOfTrack;\r | |
149 | UINT8 GapLength;\r | |
150 | UINT8 ScanTestPause;\r | |
151 | } FDD_SCAN_CMD;\r | |
152 | \r | |
153 | typedef struct {\r | |
154 | UINT8 Status0;\r | |
155 | UINT8 Status1;\r | |
156 | UINT8 Status2;\r | |
157 | UINT8 C;\r | |
158 | UINT8 H;\r | |
159 | UINT8 S;\r | |
160 | UINT8 Number;\r | |
161 | } FDD_RESULT_PACKET;\r | |
162 | \r | |
163 | //\r | |
164 | // FDC Registers\r | |
165 | //\r | |
166 | //\r | |
167 | // 0x3F2 Digital Output Register\r | |
168 | //\r | |
169 | #define FDC_REGISTER_DOR 2\r | |
170 | \r | |
171 | //\r | |
172 | // 0x3F4 Main Status Register\r | |
173 | //\r | |
174 | #define FDC_REGISTER_MSR 4\r | |
175 | \r | |
176 | //\r | |
177 | // 0x3F5 Data Register\r | |
178 | //\r | |
179 | #define FDC_REGISTER_DTR 5\r | |
180 | \r | |
181 | //\r | |
182 | // 0x3F7 Configuration Control Register(data rate select)\r | |
183 | //\r | |
184 | #define FDC_REGISTER_CCR 7\r | |
185 | \r | |
186 | //\r | |
187 | // 0x3F7 Digital Input Register(diskchange)\r | |
188 | //\r | |
189 | #define FDC_REGISTER_DIR 7\r | |
190 | \r | |
191 | \r | |
192 | \r | |
193 | //\r | |
194 | // FDC Register Bit Definitions\r | |
195 | //\r | |
196 | //\r | |
197 | // Digital Out Register(WO)\r | |
198 | //\r | |
199 | //\r | |
200 | // Select Drive: 0=A 1=B\r | |
201 | //\r | |
202 | #define SELECT_DRV BIT0\r | |
203 | \r | |
204 | //\r | |
205 | // Reset FDC\r | |
206 | //\r | |
207 | #define RESET_FDC BIT2\r | |
208 | \r | |
209 | //\r | |
210 | // Enable Int & DMA\r | |
211 | //\r | |
212 | #define INT_DMA_ENABLE BIT3\r | |
213 | \r | |
214 | //\r | |
215 | // Turn On Drive A Motor\r | |
216 | //\r | |
217 | #define DRVA_MOTOR_ON BIT4\r | |
218 | \r | |
219 | //\r | |
220 | // Turn On Drive B Motor\r | |
221 | //\r | |
222 | #define DRVB_MOTOR_ON BIT5\r | |
223 | \r | |
224 | //\r | |
225 | // Main Status Register(RO)\r | |
226 | //\r | |
227 | //\r | |
228 | // Drive A Busy\r | |
229 | //\r | |
230 | #define MSR_DAB BIT0\r | |
231 | \r | |
232 | //\r | |
233 | // Drive B Busy\r | |
234 | //\r | |
235 | #define MSR_DBB BIT1\r | |
236 | \r | |
237 | //\r | |
238 | // FDC Busy\r | |
239 | //\r | |
240 | #define MSR_CB BIT4\r | |
241 | \r | |
242 | //\r | |
243 | // Non-DMA Mode\r | |
244 | //\r | |
245 | #define MSR_NDM BIT5\r | |
246 | \r | |
247 | //\r | |
248 | // Data Input/Output\r | |
249 | //\r | |
250 | #define MSR_DIO BIT6\r | |
251 | \r | |
252 | //\r | |
253 | // Request For Master\r | |
254 | //\r | |
255 | #define MSR_RQM BIT7\r | |
256 | \r | |
257 | //\r | |
258 | // Configuration Control Register(WO)\r | |
259 | //\r | |
260 | //\r | |
261 | // Data Rate select\r | |
262 | //\r | |
263 | #define CCR_DRC (BIT0 | BIT1)\r | |
264 | \r | |
265 | //\r | |
266 | // Digital Input Register(RO)\r | |
267 | //\r | |
268 | //\r | |
269 | // Disk change line\r | |
270 | //\r | |
271 | #define DIR_DCL BIT7\r | |
272 | //\r | |
273 | // #define CCR_DCL BIT7 // Diskette change\r | |
274 | //\r | |
275 | // 500K\r | |
276 | //\r | |
277 | #define DRC_500KBS 0x0\r | |
278 | \r | |
279 | //\r | |
280 | // 300K\r | |
281 | //\r | |
282 | #define DRC_300KBS 0x01\r | |
283 | \r | |
284 | //\r | |
285 | // 250K\r | |
286 | //\r | |
287 | #define DRC_250KBS 0x02\r | |
288 | \r | |
289 | //\r | |
290 | // FDC Command Code\r | |
291 | //\r | |
292 | #define READ_DATA_CMD 0x06\r | |
293 | #define WRITE_DATA_CMD 0x05\r | |
294 | #define WRITE_DEL_DATA_CMD 0x09\r | |
295 | #define READ_DEL_DATA_CMD 0x0C\r | |
296 | #define READ_TRACK_CMD 0x02\r | |
297 | #define READ_ID_CMD 0x0A\r | |
298 | #define FORMAT_TRACK_CMD 0x0D\r | |
299 | #define SCAN_EQU_CMD 0x11\r | |
300 | #define SCAN_LOW_EQU_CMD 0x19\r | |
301 | #define SCAN_HIGH_EQU_CMD 0x1D\r | |
302 | #define SEEK_CMD 0x0F\r | |
303 | #define RECALIBRATE_CMD 0x07\r | |
304 | #define SENSE_INT_STATUS_CMD 0x08\r | |
305 | #define SPECIFY_CMD 0x03\r | |
306 | #define SENSE_DRV_STATUS_CMD 0x04\r | |
307 | \r | |
308 | //\r | |
309 | // CMD_MT: Multi_Track Selector\r | |
310 | // when set , this flag selects the multi-track operating mode.\r | |
311 | // In this mode, the FDC treats a complete cylinder under head0 and 1\r | |
312 | // as a single track\r | |
313 | //\r | |
314 | #define CMD_MT BIT7\r | |
315 | \r | |
316 | //\r | |
317 | // CMD_MFM: MFM/FM Mode Selector\r | |
318 | // A one selects the double density(MFM) mode\r | |
319 | // A zero selects single density (FM) mode\r | |
320 | //\r | |
321 | #define CMD_MFM BIT6\r | |
322 | \r | |
323 | //\r | |
324 | // CMD_SK: Skip Flag\r | |
325 | // When set to 1, sectors containing a deleted data address mark will\r | |
326 | // automatically be skipped during the execution of Read Data.\r | |
327 | // When set to 0, the sector is read or written the same as the read and\r | |
328 | // write commands.\r | |
329 | //\r | |
330 | #define CMD_SK BIT5\r | |
331 | \r | |
332 | //\r | |
333 | // FDC Status Register Bit Definitions\r | |
334 | //\r | |
335 | //\r | |
336 | // Status Register 0\r | |
337 | //\r | |
338 | //\r | |
339 | // Interrupt Code\r | |
340 | //\r | |
341 | #define STS0_IC (BIT7 | BIT6)\r | |
342 | \r | |
343 | //\r | |
344 | // Seek End: the FDC completed a seek or recalibrate command\r | |
345 | //\r | |
346 | #define STS0_SE BIT5\r | |
347 | \r | |
348 | //\r | |
349 | // Equipment Check\r | |
350 | //\r | |
351 | #define STS0_EC BIT4\r | |
352 | \r | |
353 | //\r | |
354 | // Not Ready(unused), this bit is always 0\r | |
355 | //\r | |
356 | #define STS0_NR BIT3\r | |
357 | \r | |
358 | //\r | |
359 | // Head Address: the current head address\r | |
360 | //\r | |
361 | #define STS0_HA BIT2\r | |
362 | \r | |
363 | //\r | |
364 | // STS0_US1 & STS0_US0: Drive Select(the current selected drive)\r | |
365 | //\r | |
366 | //\r | |
367 | // Unit Select1\r | |
368 | //\r | |
369 | #define STS0_US1 BIT1\r | |
370 | \r | |
371 | //\r | |
372 | // Unit Select0\r | |
373 | //\r | |
374 | #define STS0_US0 BIT0\r | |
375 | \r | |
376 | //\r | |
377 | // Status Register 1\r | |
378 | //\r | |
379 | //\r | |
380 | // End of Cylinder\r | |
381 | //\r | |
382 | #define STS1_EN BIT7\r | |
383 | \r | |
384 | //\r | |
385 | // BIT6 is unused\r | |
386 | //\r | |
387 | //\r | |
388 | // Data Error: The FDC detected a CRC error in either the ID field or\r | |
389 | // data field of a sector\r | |
390 | //\r | |
391 | #define STS1_DE BIT5\r | |
392 | \r | |
393 | //\r | |
394 | // Overrun/Underrun: Becomes set if FDC does not receive CPU or DMA service\r | |
395 | // within the required time interval\r | |
396 | //\r | |
397 | #define STS1_OR BIT4\r | |
398 | \r | |
399 | //\r | |
400 | // BIT3 is unused\r | |
401 | //\r | |
402 | //\r | |
403 | // No data\r | |
404 | //\r | |
405 | #define STS1_ND BIT2\r | |
406 | \r | |
407 | //\r | |
408 | // Not Writable\r | |
409 | //\r | |
410 | #define STS1_NW BIT1\r | |
411 | \r | |
412 | //\r | |
413 | // Missing Address Mark\r | |
414 | //\r | |
415 | #define STS1_MA BIT0\r | |
416 | \r | |
417 | //\r | |
418 | // Control Mark\r | |
419 | //\r | |
420 | #define STS2_CM BIT6\r | |
421 | \r | |
422 | //\r | |
423 | // Data Error in Data Field: The FDC detected a CRC error in the data field\r | |
424 | //\r | |
425 | #define STS2_DD BIT5\r | |
426 | \r | |
427 | //\r | |
428 | // Wrong Cylinder: The track address from sector ID field is different from\r | |
429 | // the track address maintained inside FDC\r | |
430 | //\r | |
431 | #define STS2_WC BIT4\r | |
432 | \r | |
433 | //\r | |
434 | // Bad Cylinder\r | |
435 | //\r | |
436 | #define STS2_BC BIT1\r | |
437 | \r | |
438 | //\r | |
439 | // Missing Address Mark in Data Field\r | |
440 | //\r | |
441 | #define STS2_MD BIT0\r | |
442 | \r | |
443 | //\r | |
444 | // Write Protected\r | |
445 | //\r | |
446 | #define STS3_WP BIT6\r | |
447 | \r | |
448 | //\r | |
449 | // Track 0\r | |
450 | //\r | |
451 | #define STS3_T0 BIT4\r | |
452 | \r | |
453 | //\r | |
454 | // Head Address\r | |
455 | //\r | |
456 | #define STS3_HD BIT2\r | |
457 | \r | |
458 | //\r | |
459 | // STS3_US1 & STS3_US0 : Drive Select\r | |
460 | //\r | |
461 | #define STS3_US1 BIT1\r | |
462 | #define STS3_US0 BIT0\r | |
463 | \r | |
464 | //\r | |
465 | // Status Register 0 Interrupt Code Description\r | |
466 | //\r | |
467 | //\r | |
468 | // Normal Termination of Command\r | |
469 | //\r | |
470 | #define IC_NT 0x0\r | |
471 | \r | |
472 | //\r | |
473 | // Abnormal Termination of Command\r | |
474 | //\r | |
475 | #define IC_AT 0x40\r | |
476 | \r | |
477 | //\r | |
478 | // Invalid Command\r | |
479 | //\r | |
480 | #define IC_IC 0x80\r | |
481 | \r | |
482 | //\r | |
483 | // Abnormal Termination caused by Polling\r | |
484 | //\r | |
485 | #define IC_ATRC 0xC0\r | |
486 | \r | |
487 | //\r | |
488 | // Global Variables\r | |
489 | //\r | |
f3d08ccf | 490 | extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;\r |
11f43dfd | 491 | \r |
492 | //\r | |
493 | // EFI Driver Binding Protocol Functions\r | |
494 | //\r | |
bcd70414 | 495 | /**\r |
496 | Test controller is a Floppy Disk Controller\r | |
497 | \r | |
498 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r | |
499 | @param Controller driver's controller\r | |
500 | @param RemainingDevicePath children device path\r | |
501 | \r | |
502 | @retval EFI_UNSUPPORTED controller is not floppy disk\r | |
503 | @retval EFI_SUCCESS controller is floppy disk\r | |
504 | **/\r | |
11f43dfd | 505 | EFI_STATUS\r |
506 | EFIAPI\r | |
507 | FdcControllerDriverSupported (\r | |
508 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
509 | IN EFI_HANDLE Controller,\r | |
510 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
ed66e1bc | 511 | );\r |
11f43dfd | 512 | \r |
bcd70414 | 513 | /**\r |
514 | Create floppy control instance on controller.\r | |
515 | \r | |
516 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r | |
517 | @param Controller driver controller handle\r | |
518 | @param RemainingDevicePath Children's device path\r | |
519 | \r | |
520 | @retval whether success to create floppy control instance.\r | |
521 | **/\r | |
11f43dfd | 522 | EFI_STATUS\r |
523 | EFIAPI\r | |
524 | FdcControllerDriverStart (\r | |
525 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
526 | IN EFI_HANDLE Controller,\r | |
527 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
ed66e1bc | 528 | );\r |
11f43dfd | 529 | \r |
bcd70414 | 530 | /**\r |
531 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
532 | created by this driver.\r | |
11f43dfd | 533 | \r |
bcd70414 | 534 | @param This Protocol instance pointer.\r |
fdb05fa3 | 535 | @param Controller Handle of device to stop driver on\r |
bcd70414 | 536 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r |
537 | children is zero stop the entire bus driver.\r | |
538 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
11f43dfd | 539 | \r |
bcd70414 | 540 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r |
541 | @retval other This driver was not removed from this device\r | |
11f43dfd | 542 | \r |
bcd70414 | 543 | **/\r |
11f43dfd | 544 | EFI_STATUS\r |
545 | EFIAPI\r | |
546 | FdcControllerDriverStop (\r | |
547 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
548 | IN EFI_HANDLE Controller,\r | |
549 | IN UINTN NumberOfChildren,\r | |
550 | IN EFI_HANDLE *ChildHandleBuffer\r | |
ed66e1bc | 551 | );\r |
11f43dfd | 552 | \r |
553 | //\r | |
554 | // EFI Block I/O Protocol Functions\r | |
555 | //\r | |
bcd70414 | 556 | /**\r |
557 | Reset the Floppy Logic Drive, call the FddReset function \r | |
558 | \r | |
559 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r | |
560 | @param ExtendedVerification BOOLEAN: Indicate that the driver may perform a more \r | |
561 | exhaustive verification operation of the device during \r | |
562 | reset, now this par is ignored in this driver \r | |
563 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r | |
564 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly \r | |
565 | and can not be reset\r | |
566 | \r | |
567 | **/\r | |
11f43dfd | 568 | EFI_STATUS\r |
569 | EFIAPI\r | |
570 | FdcReset (\r | |
571 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
572 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 573 | );\r |
11f43dfd | 574 | \r |
bcd70414 | 575 | /**\r |
576 | Flush block via fdd controller\r | |
577 | \r | |
578 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r | |
579 | @return EFI_SUCCESS\r | |
580 | \r | |
581 | **/\r | |
11f43dfd | 582 | EFI_STATUS\r |
583 | EFIAPI\r | |
584 | FddFlushBlocks (\r | |
585 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
ed66e1bc | 586 | );\r |
11f43dfd | 587 | \r |
bcd70414 | 588 | /**\r |
589 | Read the requested number of blocks from the device \r | |
590 | \r | |
591 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r | |
592 | @param MediaId UINT32: The media id that the read request is for \r | |
593 | @param LBA EFI_LBA: The starting logic block address to read from on the device\r | |
594 | @param BufferSize UINTN: The size of the Buffer in bytes\r | |
595 | @param Buffer VOID *: A pointer to the destination buffer for the data\r | |
596 | \r | |
597 | @retval EFI_SUCCESS: The data was read correctly from the device\r | |
598 | @retval EFI_DEVICE_ERROR:The device reported an error while attempting to perform\r | |
599 | the read operation\r | |
600 | @retval EFI_NO_MEDIA: There is no media in the device\r | |
601 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r | |
602 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r | |
603 | intrinsic block size of the device\r | |
604 | @retval EFI_INVALID_PARAMETER:The read request contains LBAs that are not valid, \r | |
605 | or the buffer is not on proper alignment \r | |
606 | \r | |
607 | **/\r | |
11f43dfd | 608 | EFI_STATUS\r |
609 | EFIAPI\r | |
610 | FddReadBlocks (\r | |
611 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
612 | IN UINT32 MediaId,\r | |
613 | IN EFI_LBA LBA,\r | |
614 | IN UINTN BufferSize,\r | |
615 | OUT VOID *Buffer\r | |
ed66e1bc | 616 | );\r |
11f43dfd | 617 | \r |
bcd70414 | 618 | /**\r |
619 | Write a specified number of blocks to the device \r | |
620 | \r | |
621 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r | |
622 | @param MediaId UINT32: The media id that the write request is for \r | |
623 | @param LBA EFI_LBA: The starting logic block address to be written\r | |
624 | @param BufferSize UINTN: The size in bytes in Buffer\r | |
625 | @param Buffer VOID *: A pointer to the source buffer for the data\r | |
626 | \r | |
627 | @retval EFI_SUCCESS: The data were written correctly to the device\r | |
628 | @retval EFI_WRITE_PROTECTED: The device can not be written to \r | |
629 | @retval EFI_NO_MEDIA: There is no media in the device\r | |
630 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r | |
631 | @retval EFI_DEVICE_ERROR: The device reported an error while attempting to perform \r | |
632 | the write operation \r | |
633 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r | |
634 | intrinsic block size of the device\r | |
635 | @retval EFI_INVALID_PARAMETER:The write request contains LBAs that are not valid, \r | |
636 | or the buffer is not on proper alignment \r | |
637 | **/\r | |
11f43dfd | 638 | EFI_STATUS\r |
639 | EFIAPI\r | |
640 | FddWriteBlocks (\r | |
641 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
642 | IN UINT32 MediaId,\r | |
643 | IN EFI_LBA LBA,\r | |
644 | IN UINTN BufferSize,\r | |
645 | IN VOID *Buffer\r | |
ed66e1bc | 646 | );\r |
11f43dfd | 647 | \r |
648 | //\r | |
649 | // Prototypes of internal functions\r | |
650 | //\r | |
bcd70414 | 651 | /**\r |
652 | \r | |
653 | Detect the floppy drive is presented or not\r | |
654 | \r | |
655 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r | |
656 | @retval EFI_SUCCESS Drive is presented\r | |
657 | @retval EFI_NOT_FOUND Drive is not presented\r | |
658 | \r | |
659 | **/\r | |
11f43dfd | 660 | EFI_STATUS\r |
661 | DiscoverFddDevice (\r | |
662 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 663 | );\r |
11f43dfd | 664 | \r |
bcd70414 | 665 | /**\r |
11f43dfd | 666 | \r |
bcd70414 | 667 | Do recalibrate and see the drive is presented or not\r |
668 | Set the media parameters\r | |
669 | \r | |
670 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r | |
671 | @return the drive is presented or not\r | |
11f43dfd | 672 | \r |
bcd70414 | 673 | **/\r |
11f43dfd | 674 | EFI_STATUS\r |
675 | FddIdentify (\r | |
676 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 677 | );\r |
11f43dfd | 678 | \r |
bcd70414 | 679 | /**\r |
11f43dfd | 680 | \r |
bcd70414 | 681 | Reset the Floppy Logic Drive\r |
682 | \r | |
683 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r | |
684 | \r | |
685 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r | |
686 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly and\r | |
687 | can not be reset\r | |
11f43dfd | 688 | \r |
bcd70414 | 689 | **/\r |
11f43dfd | 690 | EFI_STATUS\r |
691 | FddReset (\r | |
692 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 693 | );\r |
11f43dfd | 694 | \r |
bcd70414 | 695 | /**\r |
11f43dfd | 696 | \r |
bcd70414 | 697 | Turn the drive's motor on\r |
698 | The drive's motor must be on before any command can be executed\r | |
699 | \r | |
700 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r | |
701 | \r | |
702 | @retval EFI_SUCCESS: Turn the drive's motor on successfully\r | |
703 | @retval EFI_DEVICE_ERROR: The drive is busy, so can not turn motor on\r | |
704 | @retval EFI_INVALID_PARAMETER: Fail to Set timer(Cancel timer)\r | |
11f43dfd | 705 | \r |
bcd70414 | 706 | **/\r |
11f43dfd | 707 | EFI_STATUS\r |
708 | MotorOn (\r | |
709 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 710 | );\r |
11f43dfd | 711 | \r |
bcd70414 | 712 | /**\r |
11f43dfd | 713 | \r |
bcd70414 | 714 | Set a Timer and when Timer goes off, turn the motor off\r |
715 | \r | |
716 | \r | |
717 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r | |
718 | \r | |
719 | @retval EFI_SUCCESS: Set the Timer successfully\r | |
720 | @retval EFI_INVALID_PARAMETER: Fail to Set the timer\r | |
11f43dfd | 721 | \r |
bcd70414 | 722 | **/\r |
11f43dfd | 723 | EFI_STATUS\r |
724 | MotorOff (\r | |
725 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 726 | );\r |
11f43dfd | 727 | \r |
bcd70414 | 728 | /**\r |
729 | Detect the disk in the drive is changed or not\r | |
730 | \r | |
731 | \r | |
732 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
733 | \r | |
734 | @retval EFI_SUCCESS: No disk media change\r | |
735 | @retval EFI_DEVICE_ERROR: Fail to do the recalibrate or seek operation\r | |
736 | @retval EFI_NO_MEDIA: No disk in the drive\r | |
737 | @retval EFI_MEDIA_CHANGED: There is a new disk in the drive\r | |
738 | **/\r | |
11f43dfd | 739 | EFI_STATUS\r |
740 | DisketChanged (\r | |
741 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 742 | );\r |
11f43dfd | 743 | \r |
bcd70414 | 744 | /**\r |
745 | Do the Specify command, this command sets DMA operation\r | |
746 | and the initial values for each of the three internal\r | |
747 | times: HUT, SRT and HLT\r | |
748 | \r | |
fdb05fa3 | 749 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
bcd70414 | 750 | \r |
751 | @retval EFI_SUCCESS: Execute the Specify command successfully\r | |
752 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r | |
753 | \r | |
754 | **/\r | |
11f43dfd | 755 | EFI_STATUS\r |
756 | Specify (\r | |
757 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 758 | );\r |
11f43dfd | 759 | \r |
bcd70414 | 760 | /**\r |
761 | Set the head of floppy drive to track 0\r | |
762 | \r | |
763 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
764 | @retval EFI_SUCCESS: Execute the Recalibrate operation successfully\r | |
765 | @retval EFI_DEVICE_ERROR: Fail to execute the Recalibrate operation\r | |
766 | \r | |
767 | **/\r | |
11f43dfd | 768 | EFI_STATUS\r |
769 | Recalibrate (\r | |
770 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 771 | );\r |
11f43dfd | 772 | \r |
bcd70414 | 773 | /**\r |
774 | Set the head of floppy drive to the new cylinder\r | |
775 | \r | |
776 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
777 | @param Lba EFI_LBA : The logic block address want to seek\r | |
778 | \r | |
779 | @retval EFI_SUCCESS: Execute the Seek operation successfully\r | |
780 | @retval EFI_DEVICE_ERROR: Fail to execute the Seek operation\r | |
781 | \r | |
782 | **/\r | |
11f43dfd | 783 | EFI_STATUS\r |
784 | Seek (\r | |
785 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
786 | IN EFI_LBA Lba\r | |
ed66e1bc | 787 | );\r |
11f43dfd | 788 | \r |
bcd70414 | 789 | /**\r |
790 | Do the Sense Interrupt Status command, this command\r | |
791 | resets the interrupt signal\r | |
792 | \r | |
fdb05fa3 | 793 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
bcd70414 | 794 | @param StatusRegister0 UINT8 *: Be used to save Status Register 0 read from FDC\r |
795 | @param PresentCylinderNumber UINT8 *: Be used to save present cylinder number\r | |
796 | read from FDC\r | |
797 | \r | |
798 | @retval EFI_SUCCESS: Execute the Sense Interrupt Status command successfully\r | |
799 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r | |
800 | \r | |
801 | **/\r | |
11f43dfd | 802 | EFI_STATUS\r |
803 | SenseIntStatus (\r | |
804 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
805 | IN OUT UINT8 *StatusRegister0,\r | |
806 | IN OUT UINT8 *PresentCylinderNumber\r | |
ed66e1bc | 807 | );\r |
11f43dfd | 808 | \r |
bcd70414 | 809 | /**\r |
810 | Do the Sense Drive Status command\r | |
811 | \r | |
812 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
813 | @param Lba EFI_LBA : Logic block address\r | |
814 | \r | |
815 | @retval EFI_SUCCESS: Execute the Sense Drive Status command successfully\r | |
816 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r | |
817 | @retval EFI_WRITE_PROTECTED:The disk is write protected\r | |
818 | \r | |
819 | **/\r | |
11f43dfd | 820 | EFI_STATUS\r |
821 | SenseDrvStatus (\r | |
822 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
823 | IN EFI_LBA Lba\r | |
ed66e1bc | 824 | );\r |
11f43dfd | 825 | \r |
bcd70414 | 826 | /**\r |
827 | Update the disk media properties and if necessary\r | |
828 | reinstall Block I/O interface\r | |
829 | \r | |
830 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
831 | \r | |
832 | @retval EFI_SUCCESS: Do the operation successfully\r | |
833 | @retval EFI_DEVICE_ERROR: Fail to the operation\r | |
834 | \r | |
835 | **/\r | |
11f43dfd | 836 | EFI_STATUS\r |
837 | DetectMedia (\r | |
838 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 839 | );\r |
11f43dfd | 840 | \r |
bcd70414 | 841 | /**\r |
842 | Set the data rate and so on\r | |
843 | \r | |
844 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
845 | \r | |
846 | @retval EFI_SUCCESS success to set the data rate\r | |
847 | **/\r | |
11f43dfd | 848 | EFI_STATUS\r |
849 | Setup (\r | |
850 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 851 | );\r |
11f43dfd | 852 | \r |
bcd70414 | 853 | /**\r |
854 | Read or Write a number of blocks in the same cylinder\r | |
855 | \r | |
856 | @param FdcDev A pointer to Data Structure FDC_BLK_IO_DEV\r | |
857 | @param HostAddress device address \r | |
858 | @param Lba The starting logic block address to read from on the device\r | |
859 | @param NumberOfBlocks The number of block wanted to be read or write\r | |
860 | @param Read Operation type: read or write\r | |
861 | \r | |
862 | @retval EFI_SUCCESS Success operate\r | |
863 | \r | |
864 | **/\r | |
11f43dfd | 865 | EFI_STATUS\r |
866 | ReadWriteDataSector (\r | |
867 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
868 | IN VOID *HostAddress,\r | |
869 | IN EFI_LBA Lba,\r | |
870 | IN UINTN NumberOfBlocks,\r | |
871 | IN BOOLEAN Read\r | |
ed66e1bc | 872 | );\r |
11f43dfd | 873 | \r |
bcd70414 | 874 | /**\r |
875 | Fill in FDD command's parameter\r | |
876 | \r | |
877 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r | |
878 | @param Lba The starting logic block address to read from on the device\r | |
879 | @param Command FDD command\r | |
880 | \r | |
881 | **/\r | |
11f43dfd | 882 | VOID\r |
883 | FillPara (\r | |
884 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
885 | IN EFI_LBA Lba,\r | |
886 | IN FDD_COMMAND_PACKET1 *Command\r | |
ed66e1bc | 887 | );\r |
11f43dfd | 888 | \r |
bcd70414 | 889 | /**\r |
890 | Read result byte from Data Register of FDC\r | |
891 | \r | |
892 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r | |
893 | @param Pointer UINT8 *: Be used to save result byte read from FDC\r | |
894 | \r | |
895 | \r | |
896 | @retval EFI_SUCCESS: Read result byte from FDC successfully\r | |
897 | @retval EFI_DEVICE_ERROR: The FDC is not ready to be read\r | |
898 | \r | |
899 | **/\r | |
11f43dfd | 900 | EFI_STATUS\r |
901 | DataInByte (\r | |
902 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
903 | IN UINT8 *Pointer\r | |
ed66e1bc | 904 | );\r |
11f43dfd | 905 | \r |
bcd70414 | 906 | /**\r |
907 | Write command byte to Data Register of FDC\r | |
908 | \r | |
909 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r | |
910 | @param Pointer Be used to save command byte written to FDC\r | |
911 | \r | |
912 | @retval EFI_SUCCESS: Write command byte to FDC successfully\r | |
913 | @retval EFI_DEVICE_ERROR: The FDC is not ready to be written\r | |
914 | \r | |
915 | **/\r | |
11f43dfd | 916 | EFI_STATUS\r |
917 | DataOutByte (\r | |
918 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
919 | IN UINT8 *Pointer\r | |
ed66e1bc | 920 | );\r |
11f43dfd | 921 | \r |
bcd70414 | 922 | /**\r |
923 | Detect the specified floppy logic drive is busy or\r | |
924 | not within a period of time\r | |
925 | \r | |
fdb05fa3 | 926 | @param FdcDev Indicate it is drive A or drive B\r |
bcd70414 | 927 | @param TimeoutInSeconds the time period for waiting\r |
928 | \r | |
929 | @retval EFI_SUCCESS: The drive and command are not busy\r | |
930 | @retval EFI_TIMEOUT: The drive or command is still busy after a period time that\r | |
931 | set by TimeoutInSeconds\r | |
932 | \r | |
933 | **/\r | |
11f43dfd | 934 | EFI_STATUS\r |
935 | FddWaitForBSYClear (\r | |
936 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
937 | IN UINTN TimeoutInSeconds\r | |
ed66e1bc | 938 | );\r |
11f43dfd | 939 | \r |
bcd70414 | 940 | /**\r |
11f43dfd | 941 | \r |
bcd70414 | 942 | Routine Description: Determine whether FDC is ready to write or read\r |
943 | \r | |
944 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r | |
945 | @param Dio BOOLEAN: Indicate the FDC is waiting to write or read\r | |
946 | @param TimeoutInSeconds UINTN: The time period for waiting\r | |
947 | \r | |
948 | @retval EFI_SUCCESS: FDC is ready to write or read\r | |
949 | @retval EFI_NOT_READY: FDC is not ready within the specified time period\r | |
11f43dfd | 950 | \r |
bcd70414 | 951 | **/\r |
11f43dfd | 952 | EFI_STATUS\r |
953 | FddDRQReady (\r | |
954 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
955 | IN BOOLEAN Dio,\r | |
956 | IN UINTN TimeoutInSeconds\r | |
ed66e1bc | 957 | );\r |
11f43dfd | 958 | \r |
bcd70414 | 959 | /**\r |
960 | Set FDC control structure's attribute according to\r | |
961 | result \r | |
11f43dfd | 962 | \r |
bcd70414 | 963 | @param Result Point to result structure\r |
964 | @param FdcDev FDC control structure\r | |
11f43dfd | 965 | \r |
fdb05fa3 | 966 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
967 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r | |
968 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r | |
969 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
11f43dfd | 970 | \r |
bcd70414 | 971 | **/\r |
11f43dfd | 972 | EFI_STATUS\r |
973 | CheckResult (\r | |
974 | IN FDD_RESULT_PACKET *Result,\r | |
975 | IN OUT FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 976 | );\r |
11f43dfd | 977 | \r |
bcd70414 | 978 | /**\r |
979 | Check the drive status information\r | |
980 | \r | |
981 | @param StatusRegister3 the value of Status Register 3\r | |
982 | \r | |
983 | @retval EFI_SUCCESS The disk is not write protected\r | |
984 | @retval EFI_WRITE_PROTECTED: The disk is write protected\r | |
985 | \r | |
986 | **/\r | |
11f43dfd | 987 | EFI_STATUS\r |
988 | CheckStatus3 (\r | |
989 | IN UINT8 StatusRegister3\r | |
ed66e1bc | 990 | );\r |
11f43dfd | 991 | \r |
bcd70414 | 992 | /**\r |
993 | Calculate the number of block in the same cylinder\r | |
994 | according to LBA\r | |
995 | \r | |
996 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
997 | @param LBA EFI_LBA: The starting logic block address\r | |
998 | @param NumberOfBlocks UINTN: The number of blocks\r | |
999 | \r | |
1000 | @return The number of blocks in the same cylinder which the starting\r | |
1001 | logic block address is LBA\r | |
1002 | \r | |
1003 | **/\r | |
11f43dfd | 1004 | UINTN\r |
1005 | GetTransferBlockCount (\r | |
1006 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
1007 | IN EFI_LBA LBA,\r | |
1008 | IN UINTN NumberOfBlocks\r | |
ed66e1bc | 1009 | );\r |
11f43dfd | 1010 | \r |
bcd70414 | 1011 | /**\r |
1012 | When the Timer(2s) off, turn the drive's motor off\r | |
1013 | \r | |
1014 | @param Event EFI_EVENT: Event(the timer) whose notification function is being\r | |
1015 | invoked\r | |
1016 | @param Context VOID *: Pointer to the notification function's context\r | |
1017 | \r | |
1018 | **/\r | |
11f43dfd | 1019 | VOID\r |
1020 | EFIAPI\r | |
1021 | FddTimerProc (\r | |
1022 | IN EFI_EVENT Event,\r | |
1023 | IN VOID *Context\r | |
ed66e1bc | 1024 | );\r |
11f43dfd | 1025 | \r |
bcd70414 | 1026 | /**\r |
1027 | Read I/O port for FDC\r | |
1028 | \r | |
1029 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
1030 | @param Offset The offset address of port\r | |
1031 | \r | |
1032 | **/\r | |
11f43dfd | 1033 | UINT8\r |
1034 | FdcReadPort (\r | |
1035 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
1036 | IN UINT32 Offset\r | |
ed66e1bc | 1037 | );\r |
11f43dfd | 1038 | \r |
bcd70414 | 1039 | /**\r |
1040 | Write I/O port for FDC\r | |
1041 | \r | |
1042 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r | |
1043 | @param Offset The offset address of port\r | |
fdb05fa3 | 1044 | @param Data Value written to port\r |
1045 | \r | |
bcd70414 | 1046 | **/\r |
11f43dfd | 1047 | VOID\r |
1048 | FdcWritePort (\r | |
1049 | IN FDC_BLK_IO_DEV *FdcDev,\r | |
1050 | IN UINT32 Offset,\r | |
1051 | IN UINT8 Data\r | |
ed66e1bc | 1052 | );\r |
11f43dfd | 1053 | \r |
bcd70414 | 1054 | /**\r |
1055 | Read or Write a number of blocks to floppy device\r | |
11f43dfd | 1056 | \r |
bcd70414 | 1057 | @param This Pointer to instance of EFI_BLOCK_IO_PROTOCOL\r |
1058 | @param MediaId The media id of read/write request\r | |
1059 | @param LBA The starting logic block address to read from on the device\r | |
1060 | @param BufferSize The size of the Buffer in bytes\r | |
1061 | @param Operation - GC_TODO: add argument description\r | |
fdb05fa3 | 1062 | @param Buffer - GC_TODO: add argument description\r |
11f43dfd | 1063 | \r |
bcd70414 | 1064 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
1065 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
1066 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r | |
1067 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r | |
1068 | @retval EFI_NO_MEDIA - GC_TODO: Add description for return value\r | |
1069 | @retval EFI_MEDIA_CHANGED - GC_TODO: Add description for return value\r | |
1070 | @retval EFI_WRITE_PROTECTED - GC_TODO: Add description for return value\r | |
1071 | @retval EFI_BAD_BUFFER_SIZE - GC_TODO: Add description for return value\r | |
1072 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r | |
1073 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r | |
1074 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
1075 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r | |
1076 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r | |
1077 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
11f43dfd | 1078 | \r |
bcd70414 | 1079 | **/\r |
11f43dfd | 1080 | EFI_STATUS\r |
1081 | FddReadWriteBlocks (\r | |
1082 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1083 | IN UINT32 MediaId,\r | |
1084 | IN EFI_LBA LBA,\r | |
1085 | IN UINTN BufferSize,\r | |
1086 | IN BOOLEAN Operation,\r | |
1087 | OUT VOID *Buffer\r | |
ed66e1bc | 1088 | );\r |
11f43dfd | 1089 | \r |
bcd70414 | 1090 | /**\r |
1091 | Common interface for free cache \r | |
1092 | \r | |
fdb05fa3 | 1093 | @param FdcDev Pointer of FDC_BLK_IO_DEV instance\r |
bcd70414 | 1094 | \r |
1095 | **/\r | |
11f43dfd | 1096 | VOID\r |
1097 | FdcFreeCache (\r | |
1098 | IN FDC_BLK_IO_DEV *FdcDev\r | |
ed66e1bc | 1099 | );\r |
11f43dfd | 1100 | \r |
1101 | #endif\r | |
bcd70414 | 1102 | \r |