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1 | /** @file\r |
2 | Include file for ISA Floppy Driver\r |
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3 | \r |
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4 | Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r |
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5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r |
8 | http://opensource.org/licenses/bsd-license.php\r |
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9 | \r |
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10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
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12 | \r |
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13 | **/\r |
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14 | \r |
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15 | #ifndef _ISA_FLOPPY_H_\r |
16 | #define _ISA_FLOPPY_H_\r |
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17 | \r |
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18 | #include <Uefi.h>\r |
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19 | \r |
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20 | #include <Protocol/BlockIo.h>\r |
21 | #include <Protocol/IsaIo.h>\r |
22 | #include <Protocol/DevicePath.h>\r |
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23 | #include <Guid/StatusCodeDataTypeId.h>\r |
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24 | \r |
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25 | #include <Library/TimerLib.h>\r |
26 | #include <Library/DebugLib.h>\r |
27 | #include <Library/UefiDriverEntryPoint.h>\r |
28 | #include <Library/BaseLib.h>\r |
29 | #include <Library/UefiLib.h>\r |
30 | #include <Library/BaseMemoryLib.h>\r |
31 | #include <Library/MemoryAllocationLib.h>\r |
32 | #include <Library/UefiBootServicesTableLib.h>\r |
33 | #include <Library/ReportStatusCodeLib.h>\r |
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34 | #include <Library/PcdLib.h>\r |
35 | \r |
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36 | extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;\r |
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37 | \r |
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38 | #define STALL_1_SECOND 1000000\r |
39 | #define STALL_1_MSECOND 1000\r |
40 | \r |
41 | #define DATA_IN 1\r |
42 | #define DATA_OUT 0\r |
43 | #define READ 0\r |
44 | #define WRITE 1\r |
45 | \r |
46 | //\r |
47 | // Internal Data Structures\r |
48 | //\r |
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49 | #define FDC_BLK_IO_DEV_SIGNATURE SIGNATURE_32 ('F', 'B', 'I', 'O')\r |
50 | #define FLOPPY_CONTROLLER_CONTEXT_SIGNATURE SIGNATURE_32 ('F', 'D', 'C', 'C')\r |
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51 | \r |
52 | typedef enum {\r |
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53 | FdcDisk0 = 0,\r |
54 | FdcDisk1 = 1,\r |
55 | FdcMaxDisk = 2\r |
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56 | } EFI_FDC_DISK;\r |
57 | \r |
58 | typedef struct {\r |
59 | UINT32 Signature;\r |
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60 | LIST_ENTRY Link;\r |
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61 | BOOLEAN FddResetPerformed;\r |
62 | EFI_STATUS FddResetStatus;\r |
63 | BOOLEAN NeedRecalibrate;\r |
64 | UINT8 NumberOfDrive;\r |
65 | UINT16 BaseAddress;\r |
66 | } FLOPPY_CONTROLLER_CONTEXT;\r |
67 | \r |
68 | typedef struct {\r |
69 | UINTN Signature;\r |
70 | EFI_HANDLE Handle;\r |
71 | EFI_BLOCK_IO_PROTOCOL BlkIo;\r |
72 | EFI_BLOCK_IO_MEDIA BlkMedia;\r |
73 | \r |
74 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
75 | \r |
76 | UINT16 BaseAddress;\r |
77 | \r |
78 | EFI_FDC_DISK Disk;\r |
79 | UINT8 PresentCylinderNumber;\r |
80 | UINT8 *Cache;\r |
81 | \r |
82 | EFI_EVENT Event;\r |
83 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r |
84 | FLOPPY_CONTROLLER_CONTEXT *ControllerState;\r |
85 | \r |
86 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
87 | } FDC_BLK_IO_DEV;\r |
88 | \r |
89 | #include "ComponentName.h"\r |
90 | \r |
91 | #define FDD_BLK_IO_FROM_THIS(a) CR (a, FDC_BLK_IO_DEV, BlkIo, FDC_BLK_IO_DEV_SIGNATURE)\r |
92 | #define FLOPPY_CONTROLLER_FROM_LIST_ENTRY(a) \\r |
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93 | CR (a, \\r |
94 | FLOPPY_CONTROLLER_CONTEXT, \\r |
95 | Link, \\r |
96 | FLOPPY_CONTROLLER_CONTEXT_SIGNATURE \\r |
97 | )\r |
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98 | \r |
99 | #define DISK_1440K_EOT 0x12\r |
100 | #define DISK_1440K_GPL 0x1b\r |
101 | #define DISK_1440K_DTL 0xff\r |
102 | #define DISK_1440K_NUMBER 0x02\r |
103 | #define DISK_1440K_MAXTRACKNUM 0x4f\r |
104 | #define DISK_1440K_BYTEPERSECTOR 512\r |
105 | \r |
106 | typedef struct {\r |
107 | UINT8 CommandCode;\r |
108 | UINT8 DiskHeadSel;\r |
109 | UINT8 Cylinder;\r |
110 | UINT8 Head;\r |
111 | UINT8 Sector;\r |
112 | UINT8 Number;\r |
113 | UINT8 EndOfTrack;\r |
114 | UINT8 GapLength;\r |
115 | UINT8 DataLength;\r |
116 | } FDD_COMMAND_PACKET1;\r |
117 | \r |
118 | typedef struct {\r |
119 | UINT8 CommandCode;\r |
120 | UINT8 DiskHeadSel;\r |
121 | } FDD_COMMAND_PACKET2;\r |
122 | \r |
123 | typedef struct {\r |
124 | UINT8 CommandCode;\r |
125 | UINT8 SrtHut;\r |
126 | UINT8 HltNd;\r |
127 | } FDD_SPECIFY_CMD;\r |
128 | \r |
129 | typedef struct {\r |
130 | UINT8 CommandCode;\r |
131 | UINT8 DiskHeadSel;\r |
132 | UINT8 NewCylinder;\r |
133 | } FDD_SEEK_CMD;\r |
134 | \r |
135 | typedef struct {\r |
136 | UINT8 CommandCode;\r |
137 | UINT8 DiskHeadSel;\r |
138 | UINT8 Cylinder;\r |
139 | UINT8 Head;\r |
140 | UINT8 Sector;\r |
141 | UINT8 EndOfTrack;\r |
142 | UINT8 GapLength;\r |
143 | UINT8 ScanTestPause;\r |
144 | } FDD_SCAN_CMD;\r |
145 | \r |
146 | typedef struct {\r |
147 | UINT8 Status0;\r |
148 | UINT8 Status1;\r |
149 | UINT8 Status2;\r |
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150 | UINT8 Cylinder;\r |
151 | UINT8 Head;\r |
152 | UINT8 Sector;\r |
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153 | UINT8 Number;\r |
154 | } FDD_RESULT_PACKET;\r |
155 | \r |
156 | //\r |
157 | // FDC Registers\r |
158 | //\r |
159 | //\r |
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160 | // Digital Output Register address offset\r |
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161 | //\r |
162 | #define FDC_REGISTER_DOR 2\r |
163 | \r |
164 | //\r |
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165 | // Main Status Register address offset\r |
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166 | //\r |
167 | #define FDC_REGISTER_MSR 4\r |
168 | \r |
169 | //\r |
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170 | // Data Register address offset\r |
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171 | //\r |
172 | #define FDC_REGISTER_DTR 5\r |
173 | \r |
174 | //\r |
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175 | // Configuration Control Register(data rate select) address offset\r |
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176 | //\r |
177 | #define FDC_REGISTER_CCR 7\r |
178 | \r |
179 | //\r |
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180 | // Digital Input Register(diskchange) address offset\r |
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181 | //\r |
182 | #define FDC_REGISTER_DIR 7\r |
183 | \r |
184 | \r |
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185 | //\r |
186 | // FDC Register Bit Definitions\r |
187 | //\r |
188 | //\r |
189 | // Digital Out Register(WO)\r |
190 | //\r |
191 | //\r |
192 | // Select Drive: 0=A 1=B\r |
193 | //\r |
194 | #define SELECT_DRV BIT0\r |
195 | \r |
196 | //\r |
197 | // Reset FDC\r |
198 | //\r |
199 | #define RESET_FDC BIT2\r |
200 | \r |
201 | //\r |
202 | // Enable Int & DMA\r |
203 | //\r |
204 | #define INT_DMA_ENABLE BIT3\r |
205 | \r |
206 | //\r |
207 | // Turn On Drive A Motor\r |
208 | //\r |
209 | #define DRVA_MOTOR_ON BIT4\r |
210 | \r |
211 | //\r |
212 | // Turn On Drive B Motor\r |
213 | //\r |
214 | #define DRVB_MOTOR_ON BIT5\r |
215 | \r |
216 | //\r |
217 | // Main Status Register(RO)\r |
218 | //\r |
219 | //\r |
220 | // Drive A Busy\r |
221 | //\r |
222 | #define MSR_DAB BIT0\r |
223 | \r |
224 | //\r |
225 | // Drive B Busy\r |
226 | //\r |
227 | #define MSR_DBB BIT1\r |
228 | \r |
229 | //\r |
230 | // FDC Busy\r |
231 | //\r |
232 | #define MSR_CB BIT4\r |
233 | \r |
234 | //\r |
235 | // Non-DMA Mode\r |
236 | //\r |
237 | #define MSR_NDM BIT5\r |
238 | \r |
239 | //\r |
240 | // Data Input/Output\r |
241 | //\r |
242 | #define MSR_DIO BIT6\r |
243 | \r |
244 | //\r |
245 | // Request For Master\r |
246 | //\r |
247 | #define MSR_RQM BIT7\r |
248 | \r |
249 | //\r |
250 | // Configuration Control Register(WO)\r |
251 | //\r |
252 | //\r |
253 | // Data Rate select\r |
254 | //\r |
255 | #define CCR_DRC (BIT0 | BIT1)\r |
256 | \r |
257 | //\r |
258 | // Digital Input Register(RO)\r |
259 | //\r |
260 | //\r |
261 | // Disk change line\r |
262 | //\r |
263 | #define DIR_DCL BIT7\r |
264 | //\r |
265 | // #define CCR_DCL BIT7 // Diskette change\r |
266 | //\r |
267 | // 500K\r |
268 | //\r |
269 | #define DRC_500KBS 0x0\r |
270 | \r |
271 | //\r |
272 | // 300K\r |
273 | //\r |
274 | #define DRC_300KBS 0x01\r |
275 | \r |
276 | //\r |
277 | // 250K\r |
278 | //\r |
279 | #define DRC_250KBS 0x02\r |
280 | \r |
281 | //\r |
282 | // FDC Command Code\r |
283 | //\r |
284 | #define READ_DATA_CMD 0x06\r |
285 | #define WRITE_DATA_CMD 0x05\r |
286 | #define WRITE_DEL_DATA_CMD 0x09\r |
287 | #define READ_DEL_DATA_CMD 0x0C\r |
288 | #define READ_TRACK_CMD 0x02\r |
289 | #define READ_ID_CMD 0x0A\r |
290 | #define FORMAT_TRACK_CMD 0x0D\r |
291 | #define SCAN_EQU_CMD 0x11\r |
292 | #define SCAN_LOW_EQU_CMD 0x19\r |
293 | #define SCAN_HIGH_EQU_CMD 0x1D\r |
294 | #define SEEK_CMD 0x0F\r |
295 | #define RECALIBRATE_CMD 0x07\r |
296 | #define SENSE_INT_STATUS_CMD 0x08\r |
297 | #define SPECIFY_CMD 0x03\r |
298 | #define SENSE_DRV_STATUS_CMD 0x04\r |
299 | \r |
300 | //\r |
301 | // CMD_MT: Multi_Track Selector\r |
302 | // when set , this flag selects the multi-track operating mode.\r |
303 | // In this mode, the FDC treats a complete cylinder under head0 and 1\r |
304 | // as a single track\r |
305 | //\r |
306 | #define CMD_MT BIT7\r |
307 | \r |
308 | //\r |
309 | // CMD_MFM: MFM/FM Mode Selector\r |
310 | // A one selects the double density(MFM) mode\r |
311 | // A zero selects single density (FM) mode\r |
312 | //\r |
313 | #define CMD_MFM BIT6\r |
314 | \r |
315 | //\r |
316 | // CMD_SK: Skip Flag\r |
317 | // When set to 1, sectors containing a deleted data address mark will\r |
318 | // automatically be skipped during the execution of Read Data.\r |
319 | // When set to 0, the sector is read or written the same as the read and\r |
320 | // write commands.\r |
321 | //\r |
322 | #define CMD_SK BIT5\r |
323 | \r |
324 | //\r |
325 | // FDC Status Register Bit Definitions\r |
326 | //\r |
327 | //\r |
328 | // Status Register 0\r |
329 | //\r |
330 | //\r |
331 | // Interrupt Code\r |
332 | //\r |
333 | #define STS0_IC (BIT7 | BIT6)\r |
334 | \r |
335 | //\r |
336 | // Seek End: the FDC completed a seek or recalibrate command\r |
337 | //\r |
338 | #define STS0_SE BIT5\r |
339 | \r |
340 | //\r |
341 | // Equipment Check\r |
342 | //\r |
343 | #define STS0_EC BIT4\r |
344 | \r |
345 | //\r |
346 | // Not Ready(unused), this bit is always 0\r |
347 | //\r |
348 | #define STS0_NR BIT3\r |
349 | \r |
350 | //\r |
351 | // Head Address: the current head address\r |
352 | //\r |
353 | #define STS0_HA BIT2\r |
354 | \r |
355 | //\r |
356 | // STS0_US1 & STS0_US0: Drive Select(the current selected drive)\r |
357 | //\r |
358 | //\r |
359 | // Unit Select1\r |
360 | //\r |
361 | #define STS0_US1 BIT1\r |
362 | \r |
363 | //\r |
364 | // Unit Select0\r |
365 | //\r |
366 | #define STS0_US0 BIT0\r |
367 | \r |
368 | //\r |
369 | // Status Register 1\r |
370 | //\r |
371 | //\r |
372 | // End of Cylinder\r |
373 | //\r |
374 | #define STS1_EN BIT7\r |
375 | \r |
376 | //\r |
377 | // BIT6 is unused\r |
378 | //\r |
379 | //\r |
380 | // Data Error: The FDC detected a CRC error in either the ID field or\r |
381 | // data field of a sector\r |
382 | //\r |
383 | #define STS1_DE BIT5\r |
384 | \r |
385 | //\r |
386 | // Overrun/Underrun: Becomes set if FDC does not receive CPU or DMA service\r |
387 | // within the required time interval\r |
388 | //\r |
389 | #define STS1_OR BIT4\r |
390 | \r |
391 | //\r |
392 | // BIT3 is unused\r |
393 | //\r |
394 | //\r |
395 | // No data\r |
396 | //\r |
397 | #define STS1_ND BIT2\r |
398 | \r |
399 | //\r |
400 | // Not Writable\r |
401 | //\r |
402 | #define STS1_NW BIT1\r |
403 | \r |
404 | //\r |
405 | // Missing Address Mark\r |
406 | //\r |
407 | #define STS1_MA BIT0\r |
408 | \r |
409 | //\r |
410 | // Control Mark\r |
411 | //\r |
412 | #define STS2_CM BIT6\r |
413 | \r |
414 | //\r |
415 | // Data Error in Data Field: The FDC detected a CRC error in the data field\r |
416 | //\r |
417 | #define STS2_DD BIT5\r |
418 | \r |
419 | //\r |
420 | // Wrong Cylinder: The track address from sector ID field is different from\r |
421 | // the track address maintained inside FDC\r |
422 | //\r |
423 | #define STS2_WC BIT4\r |
424 | \r |
425 | //\r |
426 | // Bad Cylinder\r |
427 | //\r |
428 | #define STS2_BC BIT1\r |
429 | \r |
430 | //\r |
431 | // Missing Address Mark in Data Field\r |
432 | //\r |
433 | #define STS2_MD BIT0\r |
434 | \r |
435 | //\r |
436 | // Write Protected\r |
437 | //\r |
438 | #define STS3_WP BIT6\r |
439 | \r |
440 | //\r |
441 | // Track 0\r |
442 | //\r |
443 | #define STS3_T0 BIT4\r |
444 | \r |
445 | //\r |
446 | // Head Address\r |
447 | //\r |
448 | #define STS3_HD BIT2\r |
449 | \r |
450 | //\r |
451 | // STS3_US1 & STS3_US0 : Drive Select\r |
452 | //\r |
453 | #define STS3_US1 BIT1\r |
454 | #define STS3_US0 BIT0\r |
455 | \r |
456 | //\r |
457 | // Status Register 0 Interrupt Code Description\r |
458 | //\r |
459 | //\r |
460 | // Normal Termination of Command\r |
461 | //\r |
462 | #define IC_NT 0x0\r |
463 | \r |
464 | //\r |
465 | // Abnormal Termination of Command\r |
466 | //\r |
467 | #define IC_AT 0x40\r |
468 | \r |
469 | //\r |
470 | // Invalid Command\r |
471 | //\r |
472 | #define IC_IC 0x80\r |
473 | \r |
474 | //\r |
475 | // Abnormal Termination caused by Polling\r |
476 | //\r |
477 | #define IC_ATRC 0xC0\r |
478 | \r |
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479 | //\r |
480 | // EFI Driver Binding Protocol Functions\r |
481 | //\r |
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482 | \r |
bcd70414 |
483 | /**\r |
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484 | Test controller is a floppy disk drive device\r |
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485 | \r |
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486 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. \r |
487 | @param[in] Controller The handle of the controller to test.\r |
488 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path.\r |
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489 | \r |
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490 | @retval EFI_SUCCESS The device is supported by this driver.\r |
491 | @retval EFI_ALREADY_STARTED The device is already being managed by this driver.\r |
492 | @retval EFI_ACCESS_DENIED The device is already being managed by a different driver \r |
493 | or an application that requires exclusive access.\r |
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494 | **/\r |
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495 | EFI_STATUS\r |
496 | EFIAPI\r |
497 | FdcControllerDriverSupported (\r |
498 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
499 | IN EFI_HANDLE Controller,\r |
500 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
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501 | );\r |
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502 | \r |
bcd70414 |
503 | /**\r |
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504 | Start this driver on Controller.\r |
505 | \r |
506 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r |
507 | @param[in] ControllerHandle The handle of the controller to start. This handle \r |
508 | must support a protocol interface that supplies \r |
509 | an I/O abstraction to the driver.\r |
510 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. \r |
511 | This parameter is ignored by device drivers, and is optional for bus drivers.\r |
512 | \r |
513 | @retval EFI_SUCCESS The device was started.\r |
514 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.\r |
515 | Currently not implemented.\r |
516 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r |
517 | @retval Others The driver failded to start the device.\r |
bcd70414 |
518 | **/\r |
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519 | EFI_STATUS\r |
520 | EFIAPI\r |
521 | FdcControllerDriverStart (\r |
522 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
523 | IN EFI_HANDLE Controller,\r |
524 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
ed66e1bc |
525 | );\r |
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526 | \r |
bcd70414 |
527 | /**\r |
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528 | Stop this driver on ControllerHandle.\r |
529 | \r |
530 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r |
531 | @param[in] ControllerHandle A handle to the device being stopped. The handle must \r |
532 | support a bus specific I/O protocol for the driver \r |
533 | to use to stop the device.\r |
534 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r |
535 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL \r |
536 | if NumberOfChildren is 0.\r |
537 | \r |
538 | @retval EFI_SUCCESS The device was stopped.\r |
539 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r |
bcd70414 |
540 | **/\r |
11f43dfd |
541 | EFI_STATUS\r |
542 | EFIAPI\r |
543 | FdcControllerDriverStop (\r |
544 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
545 | IN EFI_HANDLE Controller,\r |
546 | IN UINTN NumberOfChildren,\r |
547 | IN EFI_HANDLE *ChildHandleBuffer\r |
ed66e1bc |
548 | );\r |
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549 | \r |
550 | //\r |
551 | // EFI Block I/O Protocol Functions\r |
552 | //\r |
d6321d6e |
553 | \r |
bcd70414 |
554 | /**\r |
d6321d6e |
555 | Reset the Floppy Logic Drive, call the FddReset function. \r |
bcd70414 |
556 | \r |
557 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
558 | @param ExtendedVerification BOOLEAN: Indicate that the driver may perform a more \r |
559 | exhaustive verification operation of the device during \r |
560 | reset, now this par is ignored in this driver \r |
561 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r |
562 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly \r |
563 | and can not be reset\r |
564 | \r |
565 | **/\r |
11f43dfd |
566 | EFI_STATUS\r |
567 | EFIAPI\r |
568 | FdcReset (\r |
569 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
570 | IN BOOLEAN ExtendedVerification\r |
ed66e1bc |
571 | );\r |
11f43dfd |
572 | \r |
bcd70414 |
573 | /**\r |
d6321d6e |
574 | Flush block via fdd controller.\r |
bcd70414 |
575 | \r |
576 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
577 | @return EFI_SUCCESS\r |
578 | \r |
579 | **/\r |
11f43dfd |
580 | EFI_STATUS\r |
581 | EFIAPI\r |
582 | FddFlushBlocks (\r |
583 | IN EFI_BLOCK_IO_PROTOCOL *This\r |
ed66e1bc |
584 | );\r |
11f43dfd |
585 | \r |
bcd70414 |
586 | /**\r |
d6321d6e |
587 | Read the requested number of blocks from the device. \r |
bcd70414 |
588 | \r |
589 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
590 | @param MediaId UINT32: The media id that the read request is for \r |
d6321d6e |
591 | @param Lba EFI_LBA: The starting logic block address to read from on the device\r |
bcd70414 |
592 | @param BufferSize UINTN: The size of the Buffer in bytes\r |
593 | @param Buffer VOID *: A pointer to the destination buffer for the data\r |
594 | \r |
595 | @retval EFI_SUCCESS: The data was read correctly from the device\r |
596 | @retval EFI_DEVICE_ERROR:The device reported an error while attempting to perform\r |
597 | the read operation\r |
598 | @retval EFI_NO_MEDIA: There is no media in the device\r |
599 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r |
600 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r |
601 | intrinsic block size of the device\r |
602 | @retval EFI_INVALID_PARAMETER:The read request contains LBAs that are not valid, \r |
603 | or the buffer is not on proper alignment \r |
604 | \r |
605 | **/\r |
11f43dfd |
606 | EFI_STATUS\r |
607 | EFIAPI\r |
608 | FddReadBlocks (\r |
609 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
610 | IN UINT32 MediaId,\r |
d6321d6e |
611 | IN EFI_LBA Lba,\r |
11f43dfd |
612 | IN UINTN BufferSize,\r |
613 | OUT VOID *Buffer\r |
ed66e1bc |
614 | );\r |
11f43dfd |
615 | \r |
bcd70414 |
616 | /**\r |
d6321d6e |
617 | Write a specified number of blocks to the device. \r |
bcd70414 |
618 | \r |
619 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
620 | @param MediaId UINT32: The media id that the write request is for \r |
d6321d6e |
621 | @param Lba EFI_LBA: The starting logic block address to be written\r |
bcd70414 |
622 | @param BufferSize UINTN: The size in bytes in Buffer\r |
623 | @param Buffer VOID *: A pointer to the source buffer for the data\r |
624 | \r |
625 | @retval EFI_SUCCESS: The data were written correctly to the device\r |
626 | @retval EFI_WRITE_PROTECTED: The device can not be written to \r |
627 | @retval EFI_NO_MEDIA: There is no media in the device\r |
628 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r |
629 | @retval EFI_DEVICE_ERROR: The device reported an error while attempting to perform \r |
630 | the write operation \r |
631 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r |
632 | intrinsic block size of the device\r |
633 | @retval EFI_INVALID_PARAMETER:The write request contains LBAs that are not valid, \r |
634 | or the buffer is not on proper alignment \r |
635 | **/\r |
11f43dfd |
636 | EFI_STATUS\r |
637 | EFIAPI\r |
638 | FddWriteBlocks (\r |
639 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
640 | IN UINT32 MediaId,\r |
d6321d6e |
641 | IN EFI_LBA Lba,\r |
11f43dfd |
642 | IN UINTN BufferSize,\r |
643 | IN VOID *Buffer\r |
ed66e1bc |
644 | );\r |
11f43dfd |
645 | \r |
646 | //\r |
647 | // Prototypes of internal functions\r |
648 | //\r |
bcd70414 |
649 | /**\r |
650 | \r |
d6321d6e |
651 | Detect the floppy drive is presented or not.\r |
bcd70414 |
652 | \r |
653 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
654 | @retval EFI_SUCCESS Drive is presented\r |
655 | @retval EFI_NOT_FOUND Drive is not presented\r |
656 | \r |
657 | **/\r |
11f43dfd |
658 | EFI_STATUS\r |
659 | DiscoverFddDevice (\r |
660 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
661 | );\r |
11f43dfd |
662 | \r |
bcd70414 |
663 | /**\r |
11f43dfd |
664 | \r |
d6321d6e |
665 | Do recalibrate and see the drive is presented or not.\r |
666 | Set the media parameters.\r |
bcd70414 |
667 | \r |
668 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
669 | @return the drive is presented or not\r |
11f43dfd |
670 | \r |
bcd70414 |
671 | **/\r |
11f43dfd |
672 | EFI_STATUS\r |
673 | FddIdentify (\r |
674 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
675 | );\r |
11f43dfd |
676 | \r |
bcd70414 |
677 | /**\r |
11f43dfd |
678 | \r |
d6321d6e |
679 | Reset the Floppy Logic Drive.\r |
bcd70414 |
680 | \r |
681 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
682 | \r |
683 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r |
684 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly and\r |
685 | can not be reset\r |
11f43dfd |
686 | \r |
bcd70414 |
687 | **/\r |
11f43dfd |
688 | EFI_STATUS\r |
689 | FddReset (\r |
690 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
691 | );\r |
11f43dfd |
692 | \r |
bcd70414 |
693 | /**\r |
11f43dfd |
694 | \r |
d6321d6e |
695 | Turn the drive's motor on.\r |
696 | The drive's motor must be on before any command can be executed.\r |
bcd70414 |
697 | \r |
698 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
699 | \r |
700 | @retval EFI_SUCCESS: Turn the drive's motor on successfully\r |
701 | @retval EFI_DEVICE_ERROR: The drive is busy, so can not turn motor on\r |
702 | @retval EFI_INVALID_PARAMETER: Fail to Set timer(Cancel timer)\r |
11f43dfd |
703 | \r |
bcd70414 |
704 | **/\r |
11f43dfd |
705 | EFI_STATUS\r |
706 | MotorOn (\r |
707 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
708 | );\r |
11f43dfd |
709 | \r |
bcd70414 |
710 | /**\r |
11f43dfd |
711 | \r |
d6321d6e |
712 | Set a Timer and when Timer goes off, turn the motor off.\r |
bcd70414 |
713 | \r |
714 | \r |
715 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
716 | \r |
717 | @retval EFI_SUCCESS: Set the Timer successfully\r |
718 | @retval EFI_INVALID_PARAMETER: Fail to Set the timer\r |
11f43dfd |
719 | \r |
bcd70414 |
720 | **/\r |
11f43dfd |
721 | EFI_STATUS\r |
722 | MotorOff (\r |
723 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
724 | );\r |
11f43dfd |
725 | \r |
bcd70414 |
726 | /**\r |
d6321d6e |
727 | Detect the disk in the drive is changed or not.\r |
bcd70414 |
728 | \r |
729 | \r |
730 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
731 | \r |
732 | @retval EFI_SUCCESS: No disk media change\r |
733 | @retval EFI_DEVICE_ERROR: Fail to do the recalibrate or seek operation\r |
734 | @retval EFI_NO_MEDIA: No disk in the drive\r |
735 | @retval EFI_MEDIA_CHANGED: There is a new disk in the drive\r |
736 | **/\r |
11f43dfd |
737 | EFI_STATUS\r |
738 | DisketChanged (\r |
739 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
740 | );\r |
11f43dfd |
741 | \r |
bcd70414 |
742 | /**\r |
743 | Do the Specify command, this command sets DMA operation\r |
744 | and the initial values for each of the three internal\r |
d6321d6e |
745 | times: HUT, SRT and HLT.\r |
bcd70414 |
746 | \r |
fdb05fa3 |
747 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
bcd70414 |
748 | \r |
749 | @retval EFI_SUCCESS: Execute the Specify command successfully\r |
750 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
751 | \r |
752 | **/\r |
11f43dfd |
753 | EFI_STATUS\r |
754 | Specify (\r |
755 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
756 | );\r |
11f43dfd |
757 | \r |
bcd70414 |
758 | /**\r |
d6321d6e |
759 | Set the head of floppy drive to track 0.\r |
bcd70414 |
760 | \r |
761 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
762 | @retval EFI_SUCCESS: Execute the Recalibrate operation successfully\r |
763 | @retval EFI_DEVICE_ERROR: Fail to execute the Recalibrate operation\r |
764 | \r |
765 | **/\r |
11f43dfd |
766 | EFI_STATUS\r |
767 | Recalibrate (\r |
768 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
769 | );\r |
11f43dfd |
770 | \r |
bcd70414 |
771 | /**\r |
d6321d6e |
772 | Set the head of floppy drive to the new cylinder.\r |
bcd70414 |
773 | \r |
774 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
775 | @param Lba EFI_LBA : The logic block address want to seek\r |
776 | \r |
777 | @retval EFI_SUCCESS: Execute the Seek operation successfully\r |
778 | @retval EFI_DEVICE_ERROR: Fail to execute the Seek operation\r |
779 | \r |
780 | **/\r |
11f43dfd |
781 | EFI_STATUS\r |
782 | Seek (\r |
783 | IN FDC_BLK_IO_DEV *FdcDev,\r |
784 | IN EFI_LBA Lba\r |
ed66e1bc |
785 | );\r |
11f43dfd |
786 | \r |
bcd70414 |
787 | /**\r |
d6321d6e |
788 | Do the Sense Interrupt Status command, this command resets the interrupt signal.\r |
bcd70414 |
789 | \r |
fdb05fa3 |
790 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
bcd70414 |
791 | @param StatusRegister0 UINT8 *: Be used to save Status Register 0 read from FDC\r |
792 | @param PresentCylinderNumber UINT8 *: Be used to save present cylinder number\r |
793 | read from FDC\r |
794 | \r |
795 | @retval EFI_SUCCESS: Execute the Sense Interrupt Status command successfully\r |
796 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
797 | \r |
798 | **/\r |
11f43dfd |
799 | EFI_STATUS\r |
800 | SenseIntStatus (\r |
801 | IN FDC_BLK_IO_DEV *FdcDev,\r |
802 | IN OUT UINT8 *StatusRegister0,\r |
803 | IN OUT UINT8 *PresentCylinderNumber\r |
ed66e1bc |
804 | );\r |
11f43dfd |
805 | \r |
bcd70414 |
806 | /**\r |
d6321d6e |
807 | Do the Sense Drive Status command.\r |
bcd70414 |
808 | \r |
809 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
810 | @param Lba EFI_LBA : Logic block address\r |
811 | \r |
812 | @retval EFI_SUCCESS: Execute the Sense Drive Status command successfully\r |
813 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
814 | @retval EFI_WRITE_PROTECTED:The disk is write protected\r |
815 | \r |
816 | **/\r |
11f43dfd |
817 | EFI_STATUS\r |
818 | SenseDrvStatus (\r |
819 | IN FDC_BLK_IO_DEV *FdcDev,\r |
820 | IN EFI_LBA Lba\r |
ed66e1bc |
821 | );\r |
11f43dfd |
822 | \r |
bcd70414 |
823 | /**\r |
d6321d6e |
824 | Update the disk media properties and if necessary reinstall Block I/O interface.\r |
bcd70414 |
825 | \r |
826 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
827 | \r |
828 | @retval EFI_SUCCESS: Do the operation successfully\r |
829 | @retval EFI_DEVICE_ERROR: Fail to the operation\r |
830 | \r |
831 | **/\r |
11f43dfd |
832 | EFI_STATUS\r |
833 | DetectMedia (\r |
834 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
835 | );\r |
11f43dfd |
836 | \r |
bcd70414 |
837 | /**\r |
d6321d6e |
838 | Set the data rate and so on.\r |
bcd70414 |
839 | \r |
840 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
841 | \r |
842 | @retval EFI_SUCCESS success to set the data rate\r |
843 | **/\r |
11f43dfd |
844 | EFI_STATUS\r |
845 | Setup (\r |
846 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
847 | );\r |
11f43dfd |
848 | \r |
bcd70414 |
849 | /**\r |
d6321d6e |
850 | Read or Write a number of blocks in the same cylinder.\r |
bcd70414 |
851 | \r |
852 | @param FdcDev A pointer to Data Structure FDC_BLK_IO_DEV\r |
853 | @param HostAddress device address \r |
854 | @param Lba The starting logic block address to read from on the device\r |
855 | @param NumberOfBlocks The number of block wanted to be read or write\r |
856 | @param Read Operation type: read or write\r |
857 | \r |
858 | @retval EFI_SUCCESS Success operate\r |
859 | \r |
860 | **/\r |
11f43dfd |
861 | EFI_STATUS\r |
862 | ReadWriteDataSector (\r |
863 | IN FDC_BLK_IO_DEV *FdcDev,\r |
864 | IN VOID *HostAddress,\r |
865 | IN EFI_LBA Lba,\r |
866 | IN UINTN NumberOfBlocks,\r |
867 | IN BOOLEAN Read\r |
ed66e1bc |
868 | );\r |
11f43dfd |
869 | \r |
bcd70414 |
870 | /**\r |
d6321d6e |
871 | Fill in FDD command's parameter.\r |
bcd70414 |
872 | \r |
873 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
874 | @param Lba The starting logic block address to read from on the device\r |
875 | @param Command FDD command\r |
876 | \r |
877 | **/\r |
11f43dfd |
878 | VOID\r |
879 | FillPara (\r |
880 | IN FDC_BLK_IO_DEV *FdcDev,\r |
881 | IN EFI_LBA Lba,\r |
882 | IN FDD_COMMAND_PACKET1 *Command\r |
ed66e1bc |
883 | );\r |
11f43dfd |
884 | \r |
bcd70414 |
885 | /**\r |
d6321d6e |
886 | Read result byte from Data Register of FDC.\r |
bcd70414 |
887 | \r |
d6321d6e |
888 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
889 | @param Pointer Buffer to store the byte read from FDC\r |
bcd70414 |
890 | \r |
d6321d6e |
891 | @retval EFI_SUCCESS Read result byte from FDC successfully\r |
892 | @retval EFI_DEVICE_ERROR The FDC is not ready to be read\r |
bcd70414 |
893 | \r |
894 | **/\r |
11f43dfd |
895 | EFI_STATUS\r |
896 | DataInByte (\r |
d6321d6e |
897 | IN FDC_BLK_IO_DEV *FdcDev,\r |
898 | OUT UINT8 *Pointer\r |
ed66e1bc |
899 | );\r |
11f43dfd |
900 | \r |
bcd70414 |
901 | /**\r |
d6321d6e |
902 | Write command byte to Data Register of FDC.\r |
bcd70414 |
903 | \r |
904 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
905 | @param Pointer Be used to save command byte written to FDC\r |
906 | \r |
907 | @retval EFI_SUCCESS: Write command byte to FDC successfully\r |
908 | @retval EFI_DEVICE_ERROR: The FDC is not ready to be written\r |
909 | \r |
910 | **/\r |
11f43dfd |
911 | EFI_STATUS\r |
912 | DataOutByte (\r |
913 | IN FDC_BLK_IO_DEV *FdcDev,\r |
914 | IN UINT8 *Pointer\r |
ed66e1bc |
915 | );\r |
11f43dfd |
916 | \r |
bcd70414 |
917 | /**\r |
d6321d6e |
918 | Detect the specified floppy logic drive is busy or not within a period of time.\r |
bcd70414 |
919 | \r |
fdb05fa3 |
920 | @param FdcDev Indicate it is drive A or drive B\r |
bcd70414 |
921 | @param TimeoutInSeconds the time period for waiting\r |
922 | \r |
923 | @retval EFI_SUCCESS: The drive and command are not busy\r |
924 | @retval EFI_TIMEOUT: The drive or command is still busy after a period time that\r |
925 | set by TimeoutInSeconds\r |
926 | \r |
927 | **/\r |
11f43dfd |
928 | EFI_STATUS\r |
929 | FddWaitForBSYClear (\r |
930 | IN FDC_BLK_IO_DEV *FdcDev,\r |
931 | IN UINTN TimeoutInSeconds\r |
ed66e1bc |
932 | );\r |
11f43dfd |
933 | \r |
bcd70414 |
934 | /**\r |
d6321d6e |
935 | Determine whether FDC is ready to write or read.\r |
bcd70414 |
936 | \r |
937 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
938 | @param Dio BOOLEAN: Indicate the FDC is waiting to write or read\r |
939 | @param TimeoutInSeconds UINTN: The time period for waiting\r |
940 | \r |
941 | @retval EFI_SUCCESS: FDC is ready to write or read\r |
942 | @retval EFI_NOT_READY: FDC is not ready within the specified time period\r |
11f43dfd |
943 | \r |
bcd70414 |
944 | **/\r |
11f43dfd |
945 | EFI_STATUS\r |
946 | FddDRQReady (\r |
947 | IN FDC_BLK_IO_DEV *FdcDev,\r |
948 | IN BOOLEAN Dio,\r |
949 | IN UINTN TimeoutInSeconds\r |
ed66e1bc |
950 | );\r |
11f43dfd |
951 | \r |
bcd70414 |
952 | /**\r |
d6321d6e |
953 | Set FDC control structure's attribute according to result.\r |
11f43dfd |
954 | \r |
bcd70414 |
955 | @param Result Point to result structure\r |
956 | @param FdcDev FDC control structure\r |
11f43dfd |
957 | \r |
fdb05fa3 |
958 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
959 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
960 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
961 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
11f43dfd |
962 | \r |
bcd70414 |
963 | **/\r |
11f43dfd |
964 | EFI_STATUS\r |
965 | CheckResult (\r |
966 | IN FDD_RESULT_PACKET *Result,\r |
967 | IN OUT FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
968 | );\r |
11f43dfd |
969 | \r |
bcd70414 |
970 | /**\r |
d6321d6e |
971 | Check the drive status information.\r |
bcd70414 |
972 | \r |
973 | @param StatusRegister3 the value of Status Register 3\r |
974 | \r |
975 | @retval EFI_SUCCESS The disk is not write protected\r |
976 | @retval EFI_WRITE_PROTECTED: The disk is write protected\r |
977 | \r |
978 | **/\r |
11f43dfd |
979 | EFI_STATUS\r |
980 | CheckStatus3 (\r |
981 | IN UINT8 StatusRegister3\r |
ed66e1bc |
982 | );\r |
11f43dfd |
983 | \r |
bcd70414 |
984 | /**\r |
d6321d6e |
985 | Calculate the number of block in the same cylinder according to Lba.\r |
bcd70414 |
986 | \r |
987 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
d6321d6e |
988 | @param Lba EFI_LBA: The starting logic block address\r |
bcd70414 |
989 | @param NumberOfBlocks UINTN: The number of blocks\r |
990 | \r |
991 | @return The number of blocks in the same cylinder which the starting\r |
d6321d6e |
992 | logic block address is Lba\r |
bcd70414 |
993 | \r |
994 | **/\r |
11f43dfd |
995 | UINTN\r |
996 | GetTransferBlockCount (\r |
997 | IN FDC_BLK_IO_DEV *FdcDev,\r |
d6321d6e |
998 | IN EFI_LBA Lba,\r |
11f43dfd |
999 | IN UINTN NumberOfBlocks\r |
ed66e1bc |
1000 | );\r |
11f43dfd |
1001 | \r |
bcd70414 |
1002 | /**\r |
d6321d6e |
1003 | When the Timer(2s) off, turn the drive's motor off.\r |
bcd70414 |
1004 | \r |
1005 | @param Event EFI_EVENT: Event(the timer) whose notification function is being\r |
1006 | invoked\r |
1007 | @param Context VOID *: Pointer to the notification function's context\r |
1008 | \r |
1009 | **/\r |
11f43dfd |
1010 | VOID\r |
1011 | EFIAPI\r |
1012 | FddTimerProc (\r |
1013 | IN EFI_EVENT Event,\r |
1014 | IN VOID *Context\r |
ed66e1bc |
1015 | );\r |
11f43dfd |
1016 | \r |
bcd70414 |
1017 | /**\r |
d6321d6e |
1018 | Read I/O port for FDC.\r |
bcd70414 |
1019 | \r |
1020 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
1021 | @param Offset The offset address of port\r |
1022 | \r |
1023 | **/\r |
11f43dfd |
1024 | UINT8\r |
1025 | FdcReadPort (\r |
1026 | IN FDC_BLK_IO_DEV *FdcDev,\r |
1027 | IN UINT32 Offset\r |
ed66e1bc |
1028 | );\r |
11f43dfd |
1029 | \r |
bcd70414 |
1030 | /**\r |
d6321d6e |
1031 | Write I/O port for FDC.\r |
bcd70414 |
1032 | \r |
1033 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
1034 | @param Offset The offset address of port\r |
fdb05fa3 |
1035 | @param Data Value written to port\r |
1036 | \r |
bcd70414 |
1037 | **/\r |
11f43dfd |
1038 | VOID\r |
1039 | FdcWritePort (\r |
1040 | IN FDC_BLK_IO_DEV *FdcDev,\r |
1041 | IN UINT32 Offset,\r |
1042 | IN UINT8 Data\r |
ed66e1bc |
1043 | );\r |
11f43dfd |
1044 | \r |
bcd70414 |
1045 | /**\r |
d6321d6e |
1046 | Read or Write a number of blocks to floppy device.\r |
11f43dfd |
1047 | \r |
bcd70414 |
1048 | @param This Pointer to instance of EFI_BLOCK_IO_PROTOCOL\r |
1049 | @param MediaId The media id of read/write request\r |
d6321d6e |
1050 | @param Lba The starting logic block address to read from on the device\r |
bcd70414 |
1051 | @param BufferSize The size of the Buffer in bytes\r |
1052 | @param Operation - GC_TODO: add argument description\r |
fdb05fa3 |
1053 | @param Buffer - GC_TODO: add argument description\r |
11f43dfd |
1054 | \r |
bcd70414 |
1055 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
1056 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
1057 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
1058 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
1059 | @retval EFI_NO_MEDIA - GC_TODO: Add description for return value\r |
1060 | @retval EFI_MEDIA_CHANGED - GC_TODO: Add description for return value\r |
1061 | @retval EFI_WRITE_PROTECTED - GC_TODO: Add description for return value\r |
1062 | @retval EFI_BAD_BUFFER_SIZE - GC_TODO: Add description for return value\r |
1063 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
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_SUCCESS - GC_TODO: Add description for return value\r |
11f43dfd |
1069 | \r |
bcd70414 |
1070 | **/\r |
11f43dfd |
1071 | EFI_STATUS\r |
1072 | FddReadWriteBlocks (\r |
1073 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
1074 | IN UINT32 MediaId,\r |
d6321d6e |
1075 | IN EFI_LBA Lba,\r |
11f43dfd |
1076 | IN UINTN BufferSize,\r |
1077 | IN BOOLEAN Operation,\r |
1078 | OUT VOID *Buffer\r |
ed66e1bc |
1079 | );\r |
11f43dfd |
1080 | \r |
bcd70414 |
1081 | /**\r |
d6321d6e |
1082 | Common interface for free cache. \r |
bcd70414 |
1083 | \r |
fdb05fa3 |
1084 | @param FdcDev Pointer of FDC_BLK_IO_DEV instance\r |
bcd70414 |
1085 | \r |
1086 | **/\r |
11f43dfd |
1087 | VOID\r |
1088 | FdcFreeCache (\r |
1089 | IN FDC_BLK_IO_DEV *FdcDev\r |
ed66e1bc |
1090 | );\r |
11f43dfd |
1091 | \r |
1092 | #endif\r |
bcd70414 |
1093 | \r |