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e94d04a0 GL |
1 | /** @file\r |
2 | \r | |
3 | This driver produces Extended SCSI Pass Thru Protocol instances for\r | |
4 | LSI 53C895A SCSI devices.\r | |
5 | \r | |
6 | Copyright (C) 2020, SUSE LLC.\r | |
7 | \r | |
8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
9 | \r | |
10 | **/\r | |
11 | \r | |
79f802a5 GL |
12 | #include <IndustryStandard/LsiScsi.h>\r |
13 | #include <IndustryStandard/Pci.h>\r | |
23d982e2 GL |
14 | #include <Library/BaseLib.h>\r |
15 | #include <Library/BaseMemoryLib.h>\r | |
16 | #include <Library/DebugLib.h>\r | |
17 | #include <Library/MemoryAllocationLib.h>\r | |
12d99b8f | 18 | #include <Library/PcdLib.h>\r |
79f802a5 | 19 | #include <Library/UefiBootServicesTableLib.h>\r |
5e6b870a | 20 | #include <Library/UefiLib.h>\r |
79f802a5 GL |
21 | #include <Protocol/PciIo.h>\r |
22 | #include <Protocol/PciRootBridgeIo.h>\r | |
23d982e2 | 23 | #include <Protocol/ScsiPassThruExt.h>\r |
e94d04a0 GL |
24 | #include <Uefi/UefiSpec.h>\r |
25 | \r | |
5e6b870a GL |
26 | #include "LsiScsi.h"\r |
27 | \r | |
8d619390 GL |
28 | STATIC\r |
29 | EFI_STATUS\r | |
30 | Out8 (\r | |
31 | IN LSI_SCSI_DEV *Dev,\r | |
32 | IN UINT32 Addr,\r | |
33 | IN UINT8 Data\r | |
34 | )\r | |
35 | {\r | |
36 | return Dev->PciIo->Io.Write (\r | |
37 | Dev->PciIo,\r | |
38 | EfiPciIoWidthUint8,\r | |
39 | PCI_BAR_IDX0,\r | |
40 | Addr,\r | |
41 | 1,\r | |
42 | &Data\r | |
43 | );\r | |
44 | }\r | |
45 | \r | |
31830b07 GL |
46 | STATIC\r |
47 | EFI_STATUS\r | |
48 | Out32 (\r | |
49 | IN LSI_SCSI_DEV *Dev,\r | |
50 | IN UINT32 Addr,\r | |
51 | IN UINT32 Data\r | |
52 | )\r | |
53 | {\r | |
54 | return Dev->PciIo->Io.Write (\r | |
55 | Dev->PciIo,\r | |
56 | EfiPciIoWidthUint32,\r | |
57 | PCI_BAR_IDX0,\r | |
58 | Addr,\r | |
59 | 1,\r | |
60 | &Data\r | |
61 | );\r | |
62 | }\r | |
63 | \r | |
64 | STATIC\r | |
65 | EFI_STATUS\r | |
66 | In8 (\r | |
67 | IN LSI_SCSI_DEV *Dev,\r | |
68 | IN UINT32 Addr,\r | |
69 | OUT UINT8 *Data\r | |
70 | )\r | |
71 | {\r | |
72 | return Dev->PciIo->Io.Read (\r | |
73 | Dev->PciIo,\r | |
74 | EfiPciIoWidthUint8,\r | |
75 | PCI_BAR_IDX0,\r | |
76 | Addr,\r | |
77 | 1,\r | |
78 | Data\r | |
79 | );\r | |
80 | }\r | |
81 | \r | |
82 | STATIC\r | |
83 | EFI_STATUS\r | |
84 | In32 (\r | |
85 | IN LSI_SCSI_DEV *Dev,\r | |
86 | IN UINT32 Addr,\r | |
87 | OUT UINT32 *Data\r | |
88 | )\r | |
89 | {\r | |
90 | return Dev->PciIo->Io.Read (\r | |
91 | Dev->PciIo,\r | |
92 | EfiPciIoWidthUint32,\r | |
93 | PCI_BAR_IDX0,\r | |
94 | Addr,\r | |
95 | 1,\r | |
96 | Data\r | |
97 | );\r | |
98 | }\r | |
99 | \r | |
8d619390 GL |
100 | STATIC\r |
101 | EFI_STATUS\r | |
102 | LsiScsiReset (\r | |
103 | IN LSI_SCSI_DEV *Dev\r | |
104 | )\r | |
105 | {\r | |
106 | return Out8 (Dev, LSI_REG_ISTAT0, LSI_ISTAT0_SRST);\r | |
107 | }\r | |
108 | \r | |
97e60818 GL |
109 | STATIC\r |
110 | EFI_STATUS\r | |
111 | ReportHostAdapterOverrunError (\r | |
112 | OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
113 | )\r | |
114 | {\r | |
115 | Packet->SenseDataLength = 0;\r | |
116 | Packet->HostAdapterStatus =\r | |
117 | EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN;\r | |
118 | Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_GOOD;\r | |
119 | return EFI_BAD_BUFFER_SIZE;\r | |
120 | }\r | |
121 | \r | |
122 | /**\r | |
123 | \r | |
124 | Check the request packet from the Extended SCSI Pass Thru Protocol. The\r | |
125 | request packet is modified, to be forwarded outwards by LsiScsiPassThru(),\r | |
126 | if invalid or unsupported parameters are detected.\r | |
127 | \r | |
128 | @param[in] Dev The LSI 53C895A SCSI device the packet targets.\r | |
129 | \r | |
130 | @param[in] Target The SCSI target controlled by the LSI 53C895A SCSI\r | |
131 | device.\r | |
132 | \r | |
133 | @param[in] Lun The Logical Unit Number under the SCSI target.\r | |
134 | \r | |
135 | @param[in out] Packet The Extended SCSI Pass Thru Protocol packet.\r | |
136 | \r | |
137 | \r | |
138 | @retval EFI_SUCCESS The Extended SCSI Pass Thru Protocol packet was valid.\r | |
139 | \r | |
140 | @return Otherwise, invalid or unsupported parameters were\r | |
141 | detected. Status codes are meant for direct forwarding\r | |
142 | by the EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru()\r | |
143 | implementation.\r | |
144 | \r | |
145 | **/\r | |
146 | STATIC\r | |
147 | EFI_STATUS\r | |
148 | LsiScsiCheckRequest (\r | |
149 | IN LSI_SCSI_DEV *Dev,\r | |
150 | IN UINT8 Target,\r | |
151 | IN UINT64 Lun,\r | |
152 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
153 | )\r | |
154 | {\r | |
155 | if (Target > Dev->MaxTarget || Lun > Dev->MaxLun ||\r | |
156 | Packet->DataDirection > EFI_EXT_SCSI_DATA_DIRECTION_BIDIRECTIONAL ||\r | |
157 | //\r | |
158 | // Trying to receive, but destination pointer is NULL, or contradicting\r | |
159 | // transfer direction\r | |
160 | //\r | |
161 | (Packet->InTransferLength > 0 &&\r | |
162 | (Packet->InDataBuffer == NULL ||\r | |
163 | Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_WRITE\r | |
164 | )\r | |
165 | ) ||\r | |
166 | \r | |
167 | //\r | |
168 | // Trying to send, but source pointer is NULL, or contradicting transfer\r | |
169 | // direction\r | |
170 | //\r | |
171 | (Packet->OutTransferLength > 0 &&\r | |
172 | (Packet->OutDataBuffer == NULL ||\r | |
173 | Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ\r | |
174 | )\r | |
175 | )\r | |
176 | ) {\r | |
177 | return EFI_INVALID_PARAMETER;\r | |
178 | }\r | |
179 | \r | |
180 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_BIDIRECTIONAL ||\r | |
181 | (Packet->InTransferLength > 0 && Packet->OutTransferLength > 0) ||\r | |
182 | Packet->CdbLength > sizeof Dev->Dma->Cdb) {\r | |
183 | return EFI_UNSUPPORTED;\r | |
184 | }\r | |
185 | \r | |
186 | if (Packet->InTransferLength > sizeof Dev->Dma->Data) {\r | |
187 | Packet->InTransferLength = sizeof Dev->Dma->Data;\r | |
188 | return ReportHostAdapterOverrunError (Packet);\r | |
189 | }\r | |
190 | if (Packet->OutTransferLength > sizeof Dev->Dma->Data) {\r | |
191 | Packet->OutTransferLength = sizeof Dev->Dma->Data;\r | |
192 | return ReportHostAdapterOverrunError (Packet);\r | |
193 | }\r | |
194 | \r | |
195 | return EFI_SUCCESS;\r | |
196 | }\r | |
197 | \r | |
31830b07 GL |
198 | /**\r |
199 | \r | |
200 | Interpret the request packet from the Extended SCSI Pass Thru Protocol and\r | |
201 | compose the script to submit the command and data to the controller.\r | |
202 | \r | |
203 | @param[in] Dev The LSI 53C895A SCSI device the packet targets.\r | |
204 | \r | |
205 | @param[in] Target The SCSI target controlled by the LSI 53C895A SCSI\r | |
206 | device.\r | |
207 | \r | |
208 | @param[in] Lun The Logical Unit Number under the SCSI target.\r | |
209 | \r | |
210 | @param[in out] Packet The Extended SCSI Pass Thru Protocol packet.\r | |
211 | \r | |
212 | \r | |
213 | @retval EFI_SUCCESS The Extended SCSI Pass Thru Protocol packet was valid.\r | |
214 | \r | |
215 | @return Otherwise, invalid or unsupported parameters were\r | |
216 | detected. Status codes are meant for direct forwarding\r | |
217 | by the EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru()\r | |
218 | implementation.\r | |
219 | \r | |
220 | **/\r | |
221 | STATIC\r | |
222 | EFI_STATUS\r | |
223 | LsiScsiProcessRequest (\r | |
224 | IN LSI_SCSI_DEV *Dev,\r | |
225 | IN UINT8 Target,\r | |
226 | IN UINT64 Lun,\r | |
227 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
228 | )\r | |
229 | {\r | |
230 | EFI_STATUS Status;\r | |
231 | UINT32 *Script;\r | |
232 | UINT8 *Cdb;\r | |
233 | UINT8 *MsgOut;\r | |
234 | UINT8 *MsgIn;\r | |
235 | UINT8 *ScsiStatus;\r | |
236 | UINT8 *Data;\r | |
237 | UINT8 DStat;\r | |
238 | UINT8 SIst0;\r | |
239 | UINT8 SIst1;\r | |
240 | UINT32 Csbc;\r | |
241 | UINT32 CsbcBase;\r | |
242 | UINT32 Transferred;\r | |
243 | \r | |
244 | Script = Dev->Dma->Script;\r | |
245 | Cdb = Dev->Dma->Cdb;\r | |
246 | Data = Dev->Dma->Data;\r | |
247 | MsgIn = Dev->Dma->MsgIn;\r | |
248 | MsgOut = &Dev->Dma->MsgOut;\r | |
249 | ScsiStatus = &Dev->Dma->Status;\r | |
250 | \r | |
251 | *ScsiStatus = 0xFF;\r | |
252 | \r | |
253 | DStat = 0;\r | |
254 | SIst0 = 0;\r | |
255 | SIst1 = 0;\r | |
256 | \r | |
257 | SetMem (Cdb, sizeof Dev->Dma->Cdb, 0x00);\r | |
258 | CopyMem (Cdb, Packet->Cdb, Packet->CdbLength);\r | |
259 | \r | |
260 | //\r | |
261 | // Fetch the first Cumulative SCSI Byte Count (CSBC).\r | |
262 | //\r | |
263 | // CSBC is a cumulative counter of the actual number of bytes that have been\r | |
264 | // transferred across the SCSI bus during data phases, i.e. it will not\r | |
265 | // count bytes sent in command, status, message in and out phases.\r | |
266 | //\r | |
267 | Status = In32 (Dev, LSI_REG_CSBC, &CsbcBase);\r | |
268 | if (EFI_ERROR (Status)) {\r | |
269 | goto Error;\r | |
270 | }\r | |
271 | \r | |
272 | //\r | |
273 | // Clean up the DMA buffer for the script.\r | |
274 | //\r | |
275 | SetMem (Script, sizeof Dev->Dma->Script, 0x00);\r | |
276 | \r | |
277 | //\r | |
278 | // Compose the script to transfer data between the host and the device.\r | |
279 | //\r | |
280 | // References:\r | |
281 | // * LSI53C895A PCI to Ultra2 SCSI Controller Version 2.2\r | |
282 | // - Chapter 5 SCSI SCRIPT Instruction Set\r | |
283 | // * SEABIOS lsi-scsi driver\r | |
284 | //\r | |
285 | // All instructions used here consist of 2 32bit words. The first word\r | |
286 | // contains the command to execute. The second word is loaded into the\r | |
287 | // DMA SCRIPTS Pointer Save (DSPS) register as either the DMA address\r | |
288 | // for data transmission or the address/offset for the jump command.\r | |
289 | // Some commands, such as the selection of the target, don't need to\r | |
290 | // transfer data through DMA or jump to another instruction, then DSPS\r | |
291 | // has to be zero.\r | |
292 | //\r | |
293 | // There are 3 major parts in this script. The first part (1~3) contains\r | |
294 | // the instructions to select target and LUN and send the SCSI command\r | |
295 | // from the request packet. The second part (4~7) is to handle the\r | |
296 | // potential disconnection and prepare for the data transmission. The\r | |
297 | // instructions in the third part (8~10) transmit the given data and\r | |
298 | // collect the result. Instruction 11 raises the interrupt and marks the\r | |
299 | // end of the script.\r | |
300 | //\r | |
301 | \r | |
302 | //\r | |
303 | // 1. Select target.\r | |
304 | //\r | |
305 | *Script++ = LSI_INS_TYPE_IO | LSI_INS_IO_OPC_SEL | (UINT32)Target << 16;\r | |
306 | *Script++ = 0x00000000;\r | |
307 | \r | |
308 | //\r | |
309 | // 2. Select LUN.\r | |
310 | //\r | |
311 | *MsgOut = 0x80 | (UINT8) Lun; // 0x80: Identify bit\r | |
312 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_MSG_OUT |\r | |
313 | (UINT32)sizeof Dev->Dma->MsgOut;\r | |
314 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, MsgOut);\r | |
315 | \r | |
316 | //\r | |
317 | // 3. Send the SCSI Command.\r | |
318 | //\r | |
319 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_CMD |\r | |
320 | (UINT32)sizeof Dev->Dma->Cdb;\r | |
321 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, Cdb);\r | |
322 | \r | |
323 | //\r | |
324 | // 4. Check whether the current SCSI phase is "Message In" or not\r | |
325 | // and jump to 7 if it is.\r | |
326 | // Note: LSI_INS_TC_RA stands for "Relative Address Mode", so the\r | |
327 | // offset 0x18 in the second word means jumping forward\r | |
328 | // 3 (0x18/8) instructions.\r | |
329 | //\r | |
330 | *Script++ = LSI_INS_TYPE_TC | LSI_INS_TC_OPC_JMP |\r | |
331 | LSI_INS_TC_SCSIP_MSG_IN | LSI_INS_TC_RA |\r | |
332 | LSI_INS_TC_CP;\r | |
333 | *Script++ = 0x00000018;\r | |
334 | \r | |
335 | //\r | |
336 | // 5. Read "Message" from the initiator to trigger reselect.\r | |
337 | //\r | |
338 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_MSG_IN |\r | |
339 | (UINT32)sizeof Dev->Dma->MsgIn;\r | |
340 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, MsgIn);\r | |
341 | \r | |
342 | //\r | |
343 | // 6. Wait reselect.\r | |
344 | //\r | |
345 | *Script++ = LSI_INS_TYPE_IO | LSI_INS_IO_OPC_WAIT_RESEL;\r | |
346 | *Script++ = 0x00000000;\r | |
347 | \r | |
348 | //\r | |
349 | // 7. Read "Message" from the initiator again\r | |
350 | //\r | |
351 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_MSG_IN |\r | |
352 | (UINT32)sizeof Dev->Dma->MsgIn;\r | |
353 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, MsgIn);\r | |
354 | \r | |
355 | //\r | |
356 | // 8. Set the DMA command for the read/write operations.\r | |
357 | // Note: Some requests, e.g. "TEST UNIT READY", do not come with\r | |
358 | // allocated InDataBuffer or OutDataBuffer. We skip the DMA\r | |
359 | // data command for those requests or this script would fail\r | |
360 | // with LSI_SIST0_SGE due to the zero data length.\r | |
361 | //\r | |
362 | // LsiScsiCheckRequest() prevents both integer overflows in the command\r | |
363 | // opcodes, and buffer overflows.\r | |
364 | //\r | |
365 | if (Packet->InTransferLength > 0) {\r | |
366 | ASSERT (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ);\r | |
367 | ASSERT (Packet->InTransferLength <= sizeof Dev->Dma->Data);\r | |
368 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_DAT_IN |\r | |
369 | Packet->InTransferLength;\r | |
370 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, Data);\r | |
371 | } else if (Packet->OutTransferLength > 0) {\r | |
372 | ASSERT (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_WRITE);\r | |
373 | ASSERT (Packet->OutTransferLength <= sizeof Dev->Dma->Data);\r | |
374 | CopyMem (Data, Packet->OutDataBuffer, Packet->OutTransferLength);\r | |
375 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_DAT_OUT |\r | |
376 | Packet->OutTransferLength;\r | |
377 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, Data);\r | |
378 | }\r | |
379 | \r | |
380 | //\r | |
381 | // 9. Get the SCSI status.\r | |
382 | //\r | |
383 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_STAT |\r | |
384 | (UINT32)sizeof Dev->Dma->Status;\r | |
385 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, Status);\r | |
386 | \r | |
387 | //\r | |
388 | // 10. Get the SCSI message.\r | |
389 | //\r | |
390 | *Script++ = LSI_INS_TYPE_BLK | LSI_INS_BLK_SCSIP_MSG_IN |\r | |
391 | (UINT32)sizeof Dev->Dma->MsgIn;\r | |
392 | *Script++ = LSI_SCSI_DMA_ADDR (Dev, MsgIn);\r | |
393 | \r | |
394 | //\r | |
395 | // 11. Raise the interrupt to end the script.\r | |
396 | //\r | |
397 | *Script++ = LSI_INS_TYPE_TC | LSI_INS_TC_OPC_INT |\r | |
398 | LSI_INS_TC_SCSIP_DAT_OUT | LSI_INS_TC_JMP;\r | |
399 | *Script++ = 0x00000000;\r | |
400 | \r | |
401 | //\r | |
402 | // Make sure the size of the script doesn't exceed the buffer.\r | |
403 | //\r | |
404 | ASSERT (Script <= Dev->Dma->Script + ARRAY_SIZE (Dev->Dma->Script));\r | |
405 | \r | |
406 | //\r | |
407 | // The controller starts to execute the script once the DMA Script\r | |
408 | // Pointer (DSP) register is set.\r | |
409 | //\r | |
410 | Status = Out32 (Dev, LSI_REG_DSP, LSI_SCSI_DMA_ADDR (Dev, Script));\r | |
411 | if (EFI_ERROR (Status)) {\r | |
412 | goto Error;\r | |
413 | }\r | |
414 | \r | |
415 | //\r | |
416 | // Poll the device registers (DSTAT, SIST0, and SIST1) until the SIR\r | |
417 | // bit sets.\r | |
418 | //\r | |
419 | for(;;) {\r | |
420 | Status = In8 (Dev, LSI_REG_DSTAT, &DStat);\r | |
421 | if (EFI_ERROR (Status)) {\r | |
422 | goto Error;\r | |
423 | }\r | |
424 | Status = In8 (Dev, LSI_REG_SIST0, &SIst0);\r | |
425 | if (EFI_ERROR (Status)) {\r | |
426 | goto Error;\r | |
427 | }\r | |
428 | Status = In8 (Dev, LSI_REG_SIST1, &SIst1);\r | |
429 | if (EFI_ERROR (Status)) {\r | |
430 | goto Error;\r | |
431 | }\r | |
432 | \r | |
433 | if (SIst0 != 0 || SIst1 != 0) {\r | |
434 | goto Error;\r | |
435 | }\r | |
436 | \r | |
437 | //\r | |
438 | // Check the SIR (SCRIPTS Interrupt Instruction Received) bit.\r | |
439 | //\r | |
440 | if (DStat & LSI_DSTAT_SIR) {\r | |
441 | break;\r | |
442 | }\r | |
443 | \r | |
444 | gBS->Stall (Dev->StallPerPollUsec);\r | |
445 | }\r | |
446 | \r | |
447 | //\r | |
448 | // Check if everything is good.\r | |
449 | // SCSI Message Code 0x00: COMMAND COMPLETE\r | |
450 | // SCSI Status Code 0x00: Good\r | |
451 | //\r | |
452 | if (MsgIn[0] != 0 || *ScsiStatus != 0) {\r | |
453 | goto Error;\r | |
454 | }\r | |
455 | \r | |
456 | //\r | |
457 | // Fetch CSBC again to calculate the transferred bytes and update\r | |
458 | // InTransferLength/OutTransferLength.\r | |
459 | //\r | |
460 | // Note: The number of transferred bytes is bounded by\r | |
461 | // "sizeof Dev->Dma->Data", so it's safe to subtract CsbcBase\r | |
462 | // from Csbc. If the CSBC register wraps around, the correct\r | |
463 | // difference is ensured by the standard C modular arithmetic.\r | |
464 | //\r | |
465 | Status = In32 (Dev, LSI_REG_CSBC, &Csbc);\r | |
466 | if (EFI_ERROR (Status)) {\r | |
467 | goto Error;\r | |
468 | }\r | |
469 | \r | |
470 | Transferred = Csbc - CsbcBase;\r | |
471 | if (Packet->InTransferLength > 0) {\r | |
472 | if (Transferred <= Packet->InTransferLength) {\r | |
473 | Packet->InTransferLength = Transferred;\r | |
474 | } else {\r | |
475 | goto Error;\r | |
476 | }\r | |
477 | } else if (Packet->OutTransferLength > 0) {\r | |
478 | if (Transferred <= Packet->OutTransferLength) {\r | |
479 | Packet->OutTransferLength = Transferred;\r | |
480 | } else {\r | |
481 | goto Error;\r | |
482 | }\r | |
483 | }\r | |
484 | \r | |
485 | //\r | |
486 | // Copy Data to InDataBuffer if necessary.\r | |
487 | //\r | |
488 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
489 | CopyMem (Packet->InDataBuffer, Data, Packet->InTransferLength);\r | |
490 | }\r | |
491 | \r | |
492 | //\r | |
493 | // Always set SenseDataLength to 0.\r | |
494 | // The instructions of LSI53C895A don't reply sense data. Instead, it\r | |
495 | // relies on the SCSI command, "REQUEST SENSE", to get sense data. We set\r | |
496 | // SenseDataLength to 0 to notify ScsiDiskDxe that there is no sense data\r | |
497 | // written even if this request is processed successfully, so that It will\r | |
498 | // issue "REQUEST SENSE" later to retrieve sense data.\r | |
499 | //\r | |
500 | Packet->SenseDataLength = 0;\r | |
501 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK;\r | |
502 | Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_GOOD;\r | |
503 | \r | |
504 | return EFI_SUCCESS;\r | |
505 | \r | |
506 | Error:\r | |
507 | DEBUG ((DEBUG_VERBOSE, "%a: dstat: %02X, sist0: %02X, sist1: %02X\n",\r | |
508 | __FUNCTION__, DStat, SIst0, SIst1));\r | |
509 | //\r | |
510 | // Update the request packet to reflect the status.\r | |
511 | //\r | |
512 | if (*ScsiStatus != 0xFF) {\r | |
513 | Packet->TargetStatus = *ScsiStatus;\r | |
514 | } else {\r | |
515 | Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_TASK_ABORTED;\r | |
516 | }\r | |
517 | \r | |
518 | if (SIst0 & LSI_SIST0_PAR) {\r | |
519 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR;\r | |
520 | } else if (SIst0 & LSI_SIST0_RST) {\r | |
521 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_RESET;\r | |
522 | } else if (SIst0 & LSI_SIST0_UDC) {\r | |
523 | //\r | |
524 | // The target device is disconnected unexpectedly. According to UEFI spec,\r | |
525 | // this is TIMEOUT_COMMAND.\r | |
526 | //\r | |
527 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND;\r | |
528 | } else if (SIst0 & LSI_SIST0_SGE) {\r | |
529 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN;\r | |
530 | } else if (SIst1 & LSI_SIST1_HTH) {\r | |
531 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT;\r | |
532 | } else if (SIst1 & LSI_SIST1_GEN) {\r | |
533 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT;\r | |
534 | } else if (SIst1 & LSI_SIST1_STO) {\r | |
535 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT;\r | |
536 | } else {\r | |
537 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OTHER;\r | |
538 | }\r | |
539 | \r | |
540 | //\r | |
541 | // SenseData may be used to inspect the error. Since we don't set sense data,\r | |
542 | // SenseDataLength has to be 0.\r | |
543 | //\r | |
544 | Packet->SenseDataLength = 0;\r | |
545 | \r | |
546 | return EFI_DEVICE_ERROR;\r | |
547 | }\r | |
548 | \r | |
23d982e2 GL |
549 | //\r |
550 | // The next seven functions implement EFI_EXT_SCSI_PASS_THRU_PROTOCOL\r | |
551 | // for the LSI 53C895A SCSI Controller. Refer to UEFI Spec 2.3.1 + Errata C,\r | |
552 | // sections\r | |
553 | // - 14.1 SCSI Driver Model Overview,\r | |
554 | // - 14.7 Extended SCSI Pass Thru Protocol.\r | |
555 | //\r | |
556 | \r | |
557 | EFI_STATUS\r | |
558 | EFIAPI\r | |
559 | LsiScsiPassThru (\r | |
560 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
561 | IN UINT8 *Target,\r | |
562 | IN UINT64 Lun,\r | |
563 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
564 | IN EFI_EVENT Event OPTIONAL\r | |
565 | )\r | |
566 | {\r | |
97e60818 GL |
567 | EFI_STATUS Status;\r |
568 | LSI_SCSI_DEV *Dev;\r | |
569 | \r | |
570 | Dev = LSI_SCSI_FROM_PASS_THRU (This);\r | |
571 | Status = LsiScsiCheckRequest (Dev, *Target, Lun, Packet);\r | |
572 | if (EFI_ERROR (Status)) {\r | |
573 | return Status;\r | |
574 | }\r | |
575 | \r | |
31830b07 | 576 | return LsiScsiProcessRequest (Dev, *Target, Lun, Packet);\r |
23d982e2 GL |
577 | }\r |
578 | \r | |
579 | EFI_STATUS\r | |
580 | EFIAPI\r | |
581 | LsiScsiGetNextTargetLun (\r | |
582 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
583 | IN OUT UINT8 **TargetPointer,\r | |
584 | IN OUT UINT64 *Lun\r | |
585 | )\r | |
586 | {\r | |
12d99b8f GL |
587 | LSI_SCSI_DEV *Dev;\r |
588 | UINTN Idx;\r | |
589 | UINT8 *Target;\r | |
590 | UINT16 LastTarget;\r | |
591 | \r | |
592 | //\r | |
593 | // the TargetPointer input parameter is unnecessarily a pointer-to-pointer\r | |
594 | //\r | |
595 | Target = *TargetPointer;\r | |
596 | \r | |
597 | //\r | |
598 | // Search for first non-0xFF byte. If not found, return first target & LUN.\r | |
599 | //\r | |
600 | for (Idx = 0; Idx < TARGET_MAX_BYTES && Target[Idx] == 0xFF; ++Idx)\r | |
601 | ;\r | |
602 | if (Idx == TARGET_MAX_BYTES) {\r | |
603 | SetMem (Target, TARGET_MAX_BYTES, 0x00);\r | |
604 | *Lun = 0;\r | |
605 | return EFI_SUCCESS;\r | |
606 | }\r | |
607 | \r | |
608 | CopyMem (&LastTarget, Target, sizeof LastTarget);\r | |
609 | \r | |
610 | //\r | |
611 | // increment (target, LUN) pair if valid on input\r | |
612 | //\r | |
613 | Dev = LSI_SCSI_FROM_PASS_THRU (This);\r | |
614 | if (LastTarget > Dev->MaxTarget || *Lun > Dev->MaxLun) {\r | |
615 | return EFI_INVALID_PARAMETER;\r | |
616 | }\r | |
617 | \r | |
618 | if (*Lun < Dev->MaxLun) {\r | |
619 | ++*Lun;\r | |
620 | return EFI_SUCCESS;\r | |
621 | }\r | |
622 | \r | |
623 | if (LastTarget < Dev->MaxTarget) {\r | |
624 | *Lun = 0;\r | |
625 | ++LastTarget;\r | |
626 | CopyMem (Target, &LastTarget, sizeof LastTarget);\r | |
627 | return EFI_SUCCESS;\r | |
628 | }\r | |
629 | \r | |
23d982e2 GL |
630 | return EFI_NOT_FOUND;\r |
631 | }\r | |
632 | \r | |
633 | EFI_STATUS\r | |
634 | EFIAPI\r | |
635 | LsiScsiBuildDevicePath (\r | |
636 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
637 | IN UINT8 *Target,\r | |
638 | IN UINT64 Lun,\r | |
639 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
640 | )\r | |
641 | {\r | |
12d99b8f GL |
642 | UINT16 TargetValue;\r |
643 | LSI_SCSI_DEV *Dev;\r | |
644 | SCSI_DEVICE_PATH *ScsiDevicePath;\r | |
645 | \r | |
646 | if (DevicePath == NULL) {\r | |
647 | return EFI_INVALID_PARAMETER;\r | |
648 | }\r | |
649 | \r | |
650 | CopyMem (&TargetValue, Target, sizeof TargetValue);\r | |
651 | Dev = LSI_SCSI_FROM_PASS_THRU (This);\r | |
652 | if (TargetValue > Dev->MaxTarget || Lun > Dev->MaxLun || Lun > 0xFFFF) {\r | |
653 | return EFI_NOT_FOUND;\r | |
654 | }\r | |
655 | \r | |
656 | ScsiDevicePath = AllocatePool (sizeof *ScsiDevicePath);\r | |
657 | if (ScsiDevicePath == NULL) {\r | |
658 | return EFI_OUT_OF_RESOURCES;\r | |
659 | }\r | |
660 | \r | |
661 | ScsiDevicePath->Header.Type = MESSAGING_DEVICE_PATH;\r | |
662 | ScsiDevicePath->Header.SubType = MSG_SCSI_DP;\r | |
663 | ScsiDevicePath->Header.Length[0] = (UINT8) sizeof *ScsiDevicePath;\r | |
664 | ScsiDevicePath->Header.Length[1] = (UINT8) (sizeof *ScsiDevicePath >> 8);\r | |
665 | ScsiDevicePath->Pun = TargetValue;\r | |
666 | ScsiDevicePath->Lun = (UINT16) Lun;\r | |
667 | \r | |
668 | *DevicePath = &ScsiDevicePath->Header;\r | |
669 | return EFI_SUCCESS;\r | |
23d982e2 GL |
670 | }\r |
671 | \r | |
672 | EFI_STATUS\r | |
673 | EFIAPI\r | |
674 | LsiScsiGetTargetLun (\r | |
675 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
676 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
677 | OUT UINT8 **TargetPointer,\r | |
678 | OUT UINT64 *Lun\r | |
679 | )\r | |
680 | {\r | |
12d99b8f GL |
681 | SCSI_DEVICE_PATH *ScsiDevicePath;\r |
682 | LSI_SCSI_DEV *Dev;\r | |
683 | UINT8 *Target;\r | |
684 | \r | |
685 | if (DevicePath == NULL || TargetPointer == NULL || *TargetPointer == NULL ||\r | |
686 | Lun == NULL) {\r | |
687 | return EFI_INVALID_PARAMETER;\r | |
688 | }\r | |
689 | \r | |
690 | if (DevicePath->Type != MESSAGING_DEVICE_PATH ||\r | |
691 | DevicePath->SubType != MSG_SCSI_DP) {\r | |
692 | return EFI_UNSUPPORTED;\r | |
693 | }\r | |
694 | \r | |
695 | ScsiDevicePath = (SCSI_DEVICE_PATH *) DevicePath;\r | |
696 | Dev = LSI_SCSI_FROM_PASS_THRU (This);\r | |
697 | if (ScsiDevicePath->Pun > Dev->MaxTarget ||\r | |
698 | ScsiDevicePath->Lun > Dev->MaxLun) {\r | |
699 | return EFI_NOT_FOUND;\r | |
700 | }\r | |
701 | \r | |
702 | Target = *TargetPointer;\r | |
703 | ZeroMem (Target, TARGET_MAX_BYTES);\r | |
704 | CopyMem (Target, &ScsiDevicePath->Pun, sizeof ScsiDevicePath->Pun);\r | |
705 | *Lun = ScsiDevicePath->Lun;\r | |
706 | \r | |
707 | return EFI_SUCCESS;\r | |
23d982e2 GL |
708 | }\r |
709 | \r | |
710 | EFI_STATUS\r | |
711 | EFIAPI\r | |
712 | LsiScsiResetChannel (\r | |
713 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This\r | |
714 | )\r | |
715 | {\r | |
716 | return EFI_UNSUPPORTED;\r | |
717 | }\r | |
718 | \r | |
719 | EFI_STATUS\r | |
720 | EFIAPI\r | |
721 | LsiScsiResetTargetLun (\r | |
722 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
723 | IN UINT8 *Target,\r | |
724 | IN UINT64 Lun\r | |
725 | )\r | |
726 | {\r | |
727 | return EFI_UNSUPPORTED;\r | |
728 | }\r | |
729 | \r | |
730 | EFI_STATUS\r | |
731 | EFIAPI\r | |
732 | LsiScsiGetNextTarget (\r | |
733 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
734 | IN OUT UINT8 **TargetPointer\r | |
735 | )\r | |
736 | {\r | |
12d99b8f GL |
737 | LSI_SCSI_DEV *Dev;\r |
738 | UINTN Idx;\r | |
739 | UINT8 *Target;\r | |
740 | UINT16 LastTarget;\r | |
741 | \r | |
742 | //\r | |
743 | // the TargetPointer input parameter is unnecessarily a pointer-to-pointer\r | |
744 | //\r | |
745 | Target = *TargetPointer;\r | |
746 | \r | |
747 | //\r | |
748 | // Search for first non-0xFF byte. If not found, return first target.\r | |
749 | //\r | |
750 | for (Idx = 0; Idx < TARGET_MAX_BYTES && Target[Idx] == 0xFF; ++Idx)\r | |
751 | ;\r | |
752 | if (Idx == TARGET_MAX_BYTES) {\r | |
753 | SetMem (Target, TARGET_MAX_BYTES, 0x00);\r | |
754 | return EFI_SUCCESS;\r | |
755 | }\r | |
756 | \r | |
757 | CopyMem (&LastTarget, Target, sizeof LastTarget);\r | |
758 | \r | |
759 | //\r | |
760 | // increment target if valid on input\r | |
761 | //\r | |
762 | Dev = LSI_SCSI_FROM_PASS_THRU (This);\r | |
763 | if (LastTarget > Dev->MaxTarget) {\r | |
764 | return EFI_INVALID_PARAMETER;\r | |
765 | }\r | |
766 | \r | |
767 | if (LastTarget < Dev->MaxTarget) {\r | |
768 | ++LastTarget;\r | |
769 | CopyMem (Target, &LastTarget, sizeof LastTarget);\r | |
770 | return EFI_SUCCESS;\r | |
771 | }\r | |
772 | \r | |
23d982e2 GL |
773 | return EFI_NOT_FOUND;\r |
774 | }\r | |
775 | \r | |
8d619390 GL |
776 | STATIC\r |
777 | VOID\r | |
778 | EFIAPI\r | |
779 | LsiScsiExitBoot (\r | |
780 | IN EFI_EVENT Event,\r | |
781 | IN VOID *Context\r | |
782 | )\r | |
783 | {\r | |
784 | LSI_SCSI_DEV *Dev;\r | |
785 | \r | |
786 | Dev = Context;\r | |
787 | DEBUG ((DEBUG_VERBOSE, "%a: Context=0x%p\n", __FUNCTION__, Context));\r | |
788 | LsiScsiReset (Dev);\r | |
789 | }\r | |
790 | \r | |
5e6b870a GL |
791 | //\r |
792 | // Probe, start and stop functions of this driver, called by the DXE core for\r | |
793 | // specific devices.\r | |
794 | //\r | |
795 | // The following specifications document these interfaces:\r | |
796 | // - Driver Writer's Guide for UEFI 2.3.1 v1.01, 9 Driver Binding Protocol\r | |
797 | // - UEFI Spec 2.3.1 + Errata C, 10.1 EFI Driver Binding Protocol\r | |
798 | //\r | |
799 | \r | |
800 | EFI_STATUS\r | |
801 | EFIAPI\r | |
802 | LsiScsiControllerSupported (\r | |
803 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
804 | IN EFI_HANDLE ControllerHandle,\r | |
805 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
806 | )\r | |
807 | {\r | |
79f802a5 GL |
808 | EFI_STATUS Status;\r |
809 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
810 | PCI_TYPE00 Pci;\r | |
811 | \r | |
812 | Status = gBS->OpenProtocol (\r | |
813 | ControllerHandle,\r | |
814 | &gEfiPciIoProtocolGuid,\r | |
815 | (VOID **)&PciIo,\r | |
816 | This->DriverBindingHandle,\r | |
817 | ControllerHandle,\r | |
818 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
819 | );\r | |
820 | if (EFI_ERROR (Status)) {\r | |
821 | return Status;\r | |
822 | }\r | |
823 | \r | |
824 | Status = PciIo->Pci.Read (\r | |
825 | PciIo,\r | |
826 | EfiPciIoWidthUint32,\r | |
827 | 0,\r | |
828 | sizeof (Pci) / sizeof (UINT32),\r | |
829 | &Pci\r | |
830 | );\r | |
831 | if (EFI_ERROR (Status)) {\r | |
832 | goto Done;\r | |
833 | }\r | |
834 | \r | |
835 | if (Pci.Hdr.VendorId == LSI_LOGIC_PCI_VENDOR_ID &&\r | |
836 | Pci.Hdr.DeviceId == LSI_53C895A_PCI_DEVICE_ID) {\r | |
837 | Status = EFI_SUCCESS;\r | |
838 | } else {\r | |
839 | Status = EFI_UNSUPPORTED;\r | |
840 | }\r | |
841 | \r | |
842 | Done:\r | |
843 | gBS->CloseProtocol (\r | |
844 | ControllerHandle,\r | |
845 | &gEfiPciIoProtocolGuid,\r | |
846 | This->DriverBindingHandle,\r | |
847 | ControllerHandle\r | |
848 | );\r | |
849 | return Status;\r | |
5e6b870a GL |
850 | }\r |
851 | \r | |
852 | EFI_STATUS\r | |
853 | EFIAPI\r | |
854 | LsiScsiControllerStart (\r | |
855 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
856 | IN EFI_HANDLE ControllerHandle,\r | |
857 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
858 | )\r | |
859 | {\r | |
23d982e2 GL |
860 | EFI_STATUS Status;\r |
861 | LSI_SCSI_DEV *Dev;\r | |
f1d6c1eb GL |
862 | UINTN Pages;\r |
863 | UINTN BytesMapped;\r | |
23d982e2 GL |
864 | \r |
865 | Dev = AllocateZeroPool (sizeof (*Dev));\r | |
866 | if (Dev == NULL) {\r | |
867 | return EFI_OUT_OF_RESOURCES;\r | |
868 | }\r | |
869 | \r | |
870 | Dev->Signature = LSI_SCSI_DEV_SIGNATURE;\r | |
871 | \r | |
12d99b8f GL |
872 | STATIC_ASSERT (\r |
873 | FixedPcdGet8 (PcdLsiScsiMaxTargetLimit) < 8,\r | |
874 | "LSI 53C895A supports targets [0..7]"\r | |
875 | );\r | |
876 | STATIC_ASSERT (\r | |
877 | FixedPcdGet8 (PcdLsiScsiMaxLunLimit) < 128,\r | |
878 | "LSI 53C895A supports LUNs [0..127]"\r | |
879 | );\r | |
880 | Dev->MaxTarget = PcdGet8 (PcdLsiScsiMaxTargetLimit);\r | |
881 | Dev->MaxLun = PcdGet8 (PcdLsiScsiMaxLunLimit);\r | |
31830b07 | 882 | Dev->StallPerPollUsec = PcdGet32 (PcdLsiScsiStallPerPollUsec);\r |
12d99b8f | 883 | \r |
8d619390 GL |
884 | Status = gBS->OpenProtocol (\r |
885 | ControllerHandle,\r | |
886 | &gEfiPciIoProtocolGuid,\r | |
887 | (VOID **)&Dev->PciIo,\r | |
888 | This->DriverBindingHandle,\r | |
889 | ControllerHandle,\r | |
890 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
891 | );\r | |
892 | if (EFI_ERROR (Status)) {\r | |
893 | goto FreePool;\r | |
894 | }\r | |
895 | \r | |
896 | Status = Dev->PciIo->Attributes (\r | |
897 | Dev->PciIo,\r | |
898 | EfiPciIoAttributeOperationGet,\r | |
899 | 0,\r | |
900 | &Dev->OrigPciAttrs\r | |
901 | );\r | |
902 | if (EFI_ERROR (Status)) {\r | |
903 | goto CloseProtocol;\r | |
904 | }\r | |
905 | \r | |
906 | //\r | |
907 | // Enable I/O Space & Bus-Mastering\r | |
908 | //\r | |
909 | Status = Dev->PciIo->Attributes (\r | |
910 | Dev->PciIo,\r | |
911 | EfiPciIoAttributeOperationEnable,\r | |
912 | (EFI_PCI_IO_ATTRIBUTE_IO |\r | |
913 | EFI_PCI_IO_ATTRIBUTE_BUS_MASTER),\r | |
914 | NULL\r | |
915 | );\r | |
916 | if (EFI_ERROR (Status)) {\r | |
917 | goto CloseProtocol;\r | |
918 | }\r | |
919 | \r | |
f1d6c1eb GL |
920 | //\r |
921 | // Create buffers for data transfer\r | |
922 | //\r | |
923 | Pages = EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma));\r | |
924 | Status = Dev->PciIo->AllocateBuffer (\r | |
925 | Dev->PciIo,\r | |
926 | AllocateAnyPages,\r | |
927 | EfiBootServicesData,\r | |
928 | Pages,\r | |
929 | (VOID **)&Dev->Dma,\r | |
930 | EFI_PCI_ATTRIBUTE_MEMORY_CACHED\r | |
931 | );\r | |
8d619390 GL |
932 | if (EFI_ERROR (Status)) {\r |
933 | goto RestoreAttributes;\r | |
934 | }\r | |
935 | \r | |
f1d6c1eb GL |
936 | BytesMapped = EFI_PAGES_TO_SIZE (Pages);\r |
937 | Status = Dev->PciIo->Map (\r | |
938 | Dev->PciIo,\r | |
939 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
940 | Dev->Dma,\r | |
941 | &BytesMapped,\r | |
942 | &Dev->DmaPhysical,\r | |
943 | &Dev->DmaMapping\r | |
944 | );\r | |
945 | if (EFI_ERROR (Status)) {\r | |
946 | goto FreeBuffer;\r | |
947 | }\r | |
948 | \r | |
949 | if (BytesMapped != EFI_PAGES_TO_SIZE (Pages)) {\r | |
950 | Status = EFI_OUT_OF_RESOURCES;\r | |
951 | goto Unmap;\r | |
952 | }\r | |
953 | \r | |
954 | Status = LsiScsiReset (Dev);\r | |
955 | if (EFI_ERROR (Status)) {\r | |
956 | goto Unmap;\r | |
957 | }\r | |
958 | \r | |
8d619390 GL |
959 | Status = gBS->CreateEvent (\r |
960 | EVT_SIGNAL_EXIT_BOOT_SERVICES,\r | |
961 | TPL_CALLBACK,\r | |
962 | &LsiScsiExitBoot,\r | |
963 | Dev,\r | |
964 | &Dev->ExitBoot\r | |
965 | );\r | |
966 | if (EFI_ERROR (Status)) {\r | |
967 | goto UninitDev;\r | |
968 | }\r | |
969 | \r | |
23d982e2 GL |
970 | //\r |
971 | // Host adapter channel, doesn't exist\r | |
972 | //\r | |
973 | Dev->PassThruMode.AdapterId = MAX_UINT32;\r | |
974 | Dev->PassThruMode.Attributes =\r | |
975 | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL |\r | |
976 | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL;\r | |
977 | \r | |
978 | Dev->PassThru.Mode = &Dev->PassThruMode;\r | |
979 | Dev->PassThru.PassThru = &LsiScsiPassThru;\r | |
980 | Dev->PassThru.GetNextTargetLun = &LsiScsiGetNextTargetLun;\r | |
981 | Dev->PassThru.BuildDevicePath = &LsiScsiBuildDevicePath;\r | |
982 | Dev->PassThru.GetTargetLun = &LsiScsiGetTargetLun;\r | |
983 | Dev->PassThru.ResetChannel = &LsiScsiResetChannel;\r | |
984 | Dev->PassThru.ResetTargetLun = &LsiScsiResetTargetLun;\r | |
985 | Dev->PassThru.GetNextTarget = &LsiScsiGetNextTarget;\r | |
986 | \r | |
987 | Status = gBS->InstallProtocolInterface (\r | |
988 | &ControllerHandle,\r | |
989 | &gEfiExtScsiPassThruProtocolGuid,\r | |
990 | EFI_NATIVE_INTERFACE,\r | |
991 | &Dev->PassThru\r | |
992 | );\r | |
993 | if (EFI_ERROR (Status)) {\r | |
8d619390 | 994 | goto CloseExitBoot;\r |
23d982e2 GL |
995 | }\r |
996 | \r | |
5e6b870a | 997 | return EFI_SUCCESS;\r |
23d982e2 | 998 | \r |
8d619390 GL |
999 | CloseExitBoot:\r |
1000 | gBS->CloseEvent (Dev->ExitBoot);\r | |
1001 | \r | |
1002 | UninitDev:\r | |
1003 | LsiScsiReset (Dev);\r | |
1004 | \r | |
f1d6c1eb GL |
1005 | Unmap:\r |
1006 | Dev->PciIo->Unmap (\r | |
1007 | Dev->PciIo,\r | |
1008 | Dev->DmaMapping\r | |
1009 | );\r | |
1010 | \r | |
1011 | FreeBuffer:\r | |
1012 | Dev->PciIo->FreeBuffer (\r | |
1013 | Dev->PciIo,\r | |
1014 | Pages,\r | |
1015 | Dev->Dma\r | |
1016 | );\r | |
1017 | \r | |
8d619390 GL |
1018 | RestoreAttributes:\r |
1019 | Dev->PciIo->Attributes (\r | |
1020 | Dev->PciIo,\r | |
1021 | EfiPciIoAttributeOperationSet,\r | |
1022 | Dev->OrigPciAttrs,\r | |
1023 | NULL\r | |
1024 | );\r | |
1025 | \r | |
1026 | CloseProtocol:\r | |
1027 | gBS->CloseProtocol (\r | |
1028 | ControllerHandle,\r | |
1029 | &gEfiPciIoProtocolGuid,\r | |
1030 | This->DriverBindingHandle,\r | |
1031 | ControllerHandle\r | |
1032 | );\r | |
1033 | \r | |
23d982e2 GL |
1034 | FreePool:\r |
1035 | FreePool (Dev);\r | |
1036 | \r | |
1037 | return Status;\r | |
5e6b870a GL |
1038 | }\r |
1039 | \r | |
1040 | EFI_STATUS\r | |
1041 | EFIAPI\r | |
1042 | LsiScsiControllerStop (\r | |
1043 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1044 | IN EFI_HANDLE ControllerHandle,\r | |
1045 | IN UINTN NumberOfChildren,\r | |
1046 | IN EFI_HANDLE *ChildHandleBuffer\r | |
1047 | )\r | |
1048 | {\r | |
23d982e2 GL |
1049 | EFI_STATUS Status;\r |
1050 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
1051 | LSI_SCSI_DEV *Dev;\r | |
1052 | \r | |
1053 | Status = gBS->OpenProtocol (\r | |
1054 | ControllerHandle,\r | |
1055 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1056 | (VOID **)&PassThru,\r | |
1057 | This->DriverBindingHandle,\r | |
1058 | ControllerHandle,\r | |
1059 | EFI_OPEN_PROTOCOL_GET_PROTOCOL // Lookup only\r | |
1060 | );\r | |
1061 | if (EFI_ERROR (Status)) {\r | |
1062 | return Status;\r | |
1063 | }\r | |
1064 | \r | |
1065 | Dev = LSI_SCSI_FROM_PASS_THRU (PassThru);\r | |
1066 | \r | |
1067 | Status = gBS->UninstallProtocolInterface (\r | |
1068 | ControllerHandle,\r | |
1069 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1070 | &Dev->PassThru\r | |
1071 | );\r | |
1072 | if (EFI_ERROR (Status)) {\r | |
1073 | return Status;\r | |
1074 | }\r | |
1075 | \r | |
8d619390 GL |
1076 | gBS->CloseEvent (Dev->ExitBoot);\r |
1077 | \r | |
1078 | LsiScsiReset (Dev);\r | |
1079 | \r | |
f1d6c1eb GL |
1080 | Dev->PciIo->Unmap (\r |
1081 | Dev->PciIo,\r | |
1082 | Dev->DmaMapping\r | |
1083 | );\r | |
1084 | \r | |
1085 | Dev->PciIo->FreeBuffer (\r | |
1086 | Dev->PciIo,\r | |
1087 | EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma)),\r | |
1088 | Dev->Dma\r | |
1089 | );\r | |
1090 | \r | |
8d619390 GL |
1091 | Dev->PciIo->Attributes (\r |
1092 | Dev->PciIo,\r | |
1093 | EfiPciIoAttributeOperationSet,\r | |
1094 | Dev->OrigPciAttrs,\r | |
1095 | NULL\r | |
1096 | );\r | |
1097 | \r | |
1098 | gBS->CloseProtocol (\r | |
1099 | ControllerHandle,\r | |
1100 | &gEfiPciIoProtocolGuid,\r | |
1101 | This->DriverBindingHandle,\r | |
1102 | ControllerHandle\r | |
1103 | );\r | |
1104 | \r | |
23d982e2 GL |
1105 | FreePool (Dev);\r |
1106 | \r | |
1107 | return Status;\r | |
5e6b870a GL |
1108 | }\r |
1109 | \r | |
1110 | //\r | |
1111 | // The static object that groups the Supported() (ie. probe), Start() and\r | |
1112 | // Stop() functions of the driver together. Refer to UEFI Spec 2.3.1 + Errata\r | |
1113 | // C, 10.1 EFI Driver Binding Protocol.\r | |
1114 | //\r | |
1115 | STATIC\r | |
1116 | EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {\r | |
1117 | &LsiScsiControllerSupported,\r | |
1118 | &LsiScsiControllerStart,\r | |
1119 | &LsiScsiControllerStop,\r | |
1120 | 0x10, // Version, must be in [0x10 .. 0xFFFFFFEF] for IHV-developed drivers\r | |
1121 | NULL, // ImageHandle, to be overwritten by\r | |
1122 | // EfiLibInstallDriverBindingComponentName2() in LsiScsiEntryPoint()\r | |
1123 | NULL // DriverBindingHandle, ditto\r | |
1124 | };\r | |
1125 | \r | |
1126 | \r | |
386ca8ab GL |
1127 | //\r |
1128 | // The purpose of the following scaffolding (EFI_COMPONENT_NAME_PROTOCOL and\r | |
1129 | // EFI_COMPONENT_NAME2_PROTOCOL implementation) is to format the driver's name\r | |
1130 | // in English, for display on standard console devices. This is recommended for\r | |
1131 | // UEFI drivers that follow the UEFI Driver Model. Refer to the Driver Writer's\r | |
1132 | // Guide for UEFI 2.3.1 v1.01, 11 UEFI Driver and Controller Names.\r | |
1133 | //\r | |
1134 | // Device type names ("LSI 53C895A SCSI Controller") are not formatted because\r | |
1135 | // the driver supports only that device type. Therefore the driver name\r | |
1136 | // suffices for unambiguous identification.\r | |
1137 | //\r | |
1138 | \r | |
1139 | STATIC\r | |
1140 | EFI_UNICODE_STRING_TABLE mDriverNameTable[] = {\r | |
1141 | { "eng;en", L"LSI 53C895A SCSI Controller Driver" },\r | |
1142 | { NULL, NULL }\r | |
1143 | };\r | |
1144 | \r | |
1145 | STATIC\r | |
1146 | EFI_COMPONENT_NAME_PROTOCOL gComponentName;\r | |
1147 | \r | |
1148 | EFI_STATUS\r | |
1149 | EFIAPI\r | |
1150 | LsiScsiGetDriverName (\r | |
1151 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
1152 | IN CHAR8 *Language,\r | |
1153 | OUT CHAR16 **DriverName\r | |
1154 | )\r | |
1155 | {\r | |
1156 | return LookupUnicodeString2 (\r | |
1157 | Language,\r | |
1158 | This->SupportedLanguages,\r | |
1159 | mDriverNameTable,\r | |
1160 | DriverName,\r | |
1161 | (BOOLEAN)(This == &gComponentName) // Iso639Language\r | |
1162 | );\r | |
1163 | }\r | |
1164 | \r | |
1165 | EFI_STATUS\r | |
1166 | EFIAPI\r | |
1167 | LsiScsiGetDeviceName (\r | |
1168 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
1169 | IN EFI_HANDLE DeviceHandle,\r | |
1170 | IN EFI_HANDLE ChildHandle,\r | |
1171 | IN CHAR8 *Language,\r | |
1172 | OUT CHAR16 **ControllerName\r | |
1173 | )\r | |
1174 | {\r | |
1175 | return EFI_UNSUPPORTED;\r | |
1176 | }\r | |
1177 | \r | |
1178 | STATIC\r | |
1179 | EFI_COMPONENT_NAME_PROTOCOL gComponentName = {\r | |
1180 | &LsiScsiGetDriverName,\r | |
1181 | &LsiScsiGetDeviceName,\r | |
1182 | "eng" // SupportedLanguages, ISO 639-2 language codes\r | |
1183 | };\r | |
1184 | \r | |
1185 | STATIC\r | |
1186 | EFI_COMPONENT_NAME2_PROTOCOL gComponentName2 = {\r | |
1187 | (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) &LsiScsiGetDriverName,\r | |
1188 | (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) &LsiScsiGetDeviceName,\r | |
1189 | "en" // SupportedLanguages, RFC 4646 language codes\r | |
1190 | };\r | |
1191 | \r | |
e94d04a0 GL |
1192 | //\r |
1193 | // Entry point of this driver\r | |
1194 | //\r | |
1195 | EFI_STATUS\r | |
1196 | EFIAPI\r | |
1197 | LsiScsiEntryPoint (\r | |
1198 | IN EFI_HANDLE ImageHandle,\r | |
1199 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1200 | )\r | |
1201 | {\r | |
5e6b870a GL |
1202 | return EfiLibInstallDriverBindingComponentName2 (\r |
1203 | ImageHandle,\r | |
1204 | SystemTable,\r | |
1205 | &gDriverBinding,\r | |
1206 | ImageHandle, // The handle to install onto\r | |
386ca8ab GL |
1207 | &gComponentName,\r |
1208 | &gComponentName2\r | |
5e6b870a | 1209 | );\r |
e94d04a0 | 1210 | }\r |