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878ddf1f | 1 | /*++\r |
2 | Copyright (c) 2006, Intel Corporation \r | |
3 | All rights reserved. This program and the accompanying materials \r | |
4 | are licensed and made available under the terms and conditions of the BSD License \r | |
5 | which accompanies this distribution. The full text of the license may be found at \r | |
6 | http://opensource.org/licenses/bsd-license.php \r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
10 | \r | |
11 | Module name:\r | |
12 | snp.c\r | |
13 | \r | |
14 | Abstract:\r | |
15 | \r | |
16 | --*/\r | |
17 | \r | |
18 | \r | |
4cbd855e | 19 | #include "Snp.h"\r |
878ddf1f | 20 | \r |
878ddf1f | 21 | //\r |
22 | // Module global variables needed to support undi 3.0 interface\r | |
23 | //\r | |
24 | EFI_PCI_IO_PROTOCOL *mPciIoFncs;\r | |
25 | struct s_v2p *_v2p = NULL; // undi3.0 map_list head\r | |
26 | // End Global variables\r | |
27 | //\r | |
878ddf1f | 28 | \r |
29 | STATIC\r | |
30 | EFI_STATUS\r | |
31 | issue_hwundi_command (\r | |
32 | UINT64 cdb\r | |
33 | )\r | |
34 | /*++\r | |
35 | \r | |
36 | Routine Description:\r | |
37 | \r | |
38 | Arguments:\r | |
39 | \r | |
40 | Returns:\r | |
41 | \r | |
42 | --*/\r | |
43 | {\r | |
44 | #if SNP_DEBUG\r | |
45 | Aprint ("\nissue_hwundi_command() - This should not be called!");\r | |
46 | snp_wait_for_key ();\r | |
47 | #endif\r | |
48 | if (cdb == 0) {\r | |
49 | return EFI_INVALID_PARAMETER;\r | |
50 | \r | |
51 | }\r | |
52 | //\r | |
53 | // %%TBD - For now, nothing is done.\r | |
54 | //\r | |
55 | return EFI_UNSUPPORTED;\r | |
56 | }\r | |
57 | \r | |
58 | STATIC\r | |
59 | UINT8\r | |
60 | calc_8bit_cksum (\r | |
61 | VOID *ptr,\r | |
62 | UINTN len\r | |
63 | )\r | |
64 | /*++\r | |
65 | \r | |
66 | Routine Description:\r | |
67 | Compute 8-bit checksum of a buffer.\r | |
68 | \r | |
69 | Arguments:\r | |
70 | ptr - Pointer to buffer.\r | |
71 | len - Length of buffer in bytes.\r | |
72 | \r | |
73 | Returns:\r | |
74 | 8-bit checksum of all bytes in buffer.\r | |
75 | If ptr is NULL or len is zero, zero is returned.\r | |
76 | \r | |
77 | --*/\r | |
78 | {\r | |
79 | UINT8 *bptr;\r | |
80 | UINT8 cksum;\r | |
81 | \r | |
82 | bptr = ptr;\r | |
83 | cksum = 0;\r | |
84 | \r | |
85 | if (ptr == NULL || len == 0) {\r | |
86 | return 0;\r | |
87 | }\r | |
88 | \r | |
89 | while (len--) {\r | |
90 | cksum = (UINT8) (cksum +*bptr++);\r | |
91 | }\r | |
92 | \r | |
93 | return cksum;\r | |
94 | }\r | |
95 | \r | |
1cc8ee78 | 96 | STATIC\r |
878ddf1f | 97 | EFI_STATUS\r |
98 | EFIAPI\r | |
99 | SimpleNetworkDriverSupported (\r | |
100 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
101 | IN EFI_HANDLE Controller,\r | |
102 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
103 | )\r | |
104 | /*++\r | |
105 | \r | |
106 | Routine Description:\r | |
107 | Test to see if this driver supports Controller. Any Controller\r | |
108 | that contains a Nii protocol can be supported.\r | |
109 | \r | |
110 | Arguments:\r | |
111 | This - Protocol instance pointer.\r | |
112 | Controller - Handle of device to test.\r | |
113 | RemainingDevicePath - Not used.\r | |
114 | \r | |
115 | Returns:\r | |
116 | EFI_SUCCESS - This driver supports this device.\r | |
117 | EFI_ALREADY_STARTED - This driver is already running on this device.\r | |
118 | other - This driver does not support this device.\r | |
119 | \r | |
120 | --*/\r | |
121 | {\r | |
122 | EFI_STATUS Status;\r | |
123 | EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;\r | |
124 | PXE_UNDI *pxe;\r | |
125 | BOOLEAN IsUndi31;\r | |
126 | \r | |
127 | IsUndi31 = FALSE;\r | |
128 | Status = gBS->OpenProtocol (\r | |
129 | Controller,\r | |
130 | &gEfiDevicePathProtocolGuid,\r | |
131 | NULL,\r | |
132 | This->DriverBindingHandle,\r | |
133 | Controller,\r | |
134 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
135 | );\r | |
136 | if (EFI_ERROR (Status)) {\r | |
137 | return Status;\r | |
138 | }\r | |
139 | \r | |
140 | Status = gBS->OpenProtocol (\r | |
141 | Controller,\r | |
142 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
143 | (VOID **) &NiiProtocol,\r | |
144 | This->DriverBindingHandle,\r | |
145 | Controller,\r | |
146 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
147 | );\r | |
148 | if (Status == EFI_ALREADY_STARTED)\r | |
149 | {\r | |
150 | #if SNP_DEBUG\r | |
151 | Aprint ("Support(): Already Started. on handle %x\n", Controller);\r | |
152 | #endif\r | |
153 | return EFI_ALREADY_STARTED;\r | |
154 | }\r | |
155 | \r | |
156 | if (!EFI_ERROR (Status))\r | |
157 | {\r | |
158 | \r | |
159 | #if SNP_DEBUG\r | |
160 | Aprint ("Support(): UNDI3.1 found on handle %x\n", Controller);\r | |
161 | snp_wait_for_key ();\r | |
162 | #endif\r | |
163 | IsUndi31 = TRUE;\r | |
164 | } else {\r | |
165 | //\r | |
166 | // try the older 3.0 driver\r | |
167 | //\r | |
168 | Status = gBS->OpenProtocol (\r | |
169 | Controller,\r | |
170 | &gEfiNetworkInterfaceIdentifierProtocolGuid,\r | |
171 | (VOID **) &NiiProtocol,\r | |
172 | This->DriverBindingHandle,\r | |
173 | Controller,\r | |
174 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
175 | );\r | |
176 | if (EFI_ERROR (Status)) {\r | |
177 | return Status;\r | |
178 | }\r | |
179 | \r | |
180 | #if SNP_DEBUG\r | |
181 | Aprint ("Support(): UNDI3.0 found on handle %x\n", Controller);\r | |
182 | snp_wait_for_key ();\r | |
183 | #endif\r | |
184 | }\r | |
185 | //\r | |
186 | // check the version, we don't want to connect to the undi16\r | |
187 | //\r | |
188 | if (NiiProtocol->Type != EfiNetworkInterfaceUndi) {\r | |
189 | Status = EFI_UNSUPPORTED;\r | |
190 | goto Done;\r | |
191 | }\r | |
192 | //\r | |
193 | // Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.\r | |
194 | //\r | |
195 | if (NiiProtocol->ID & 0x0F) {\r | |
196 | DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));\r | |
197 | Status = EFI_UNSUPPORTED;\r | |
198 | goto Done;\r | |
199 | }\r | |
200 | \r | |
201 | pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID);\r | |
202 | \r | |
203 | //\r | |
204 | // Verify !PXE revisions.\r | |
205 | //\r | |
206 | if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) {\r | |
207 | DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));\r | |
208 | Status = EFI_UNSUPPORTED;\r | |
209 | goto Done;\r | |
210 | }\r | |
211 | \r | |
212 | if (pxe->hw.Rev < PXE_ROMID_REV) {\r | |
213 | DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));\r | |
214 | Status = EFI_UNSUPPORTED;\r | |
215 | goto Done;\r | |
216 | }\r | |
217 | \r | |
218 | if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {\r | |
219 | \r | |
220 | DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));\r | |
221 | Status = EFI_UNSUPPORTED;\r | |
222 | goto Done;\r | |
223 | \r | |
224 | } else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) {\r | |
225 | DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));\r | |
226 | Status = EFI_UNSUPPORTED;\r | |
227 | goto Done;\r | |
228 | }\r | |
229 | //\r | |
230 | // Do S/W UNDI specific checks.\r | |
231 | //\r | |
232 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {\r | |
233 | if (pxe->sw.EntryPoint < pxe->sw.Len) {\r | |
234 | DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));\r | |
235 | Status = EFI_UNSUPPORTED;\r | |
236 | goto Done;\r | |
237 | }\r | |
238 | \r | |
239 | if (pxe->sw.BusCnt == 0) {\r | |
240 | DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));\r | |
241 | Status = EFI_UNSUPPORTED;\r | |
242 | goto Done;\r | |
243 | }\r | |
244 | }\r | |
245 | \r | |
246 | Status = EFI_SUCCESS;\r | |
247 | #if SNP_DEBUG\r | |
248 | Aprint ("Support(): supported on %x\n", Controller);\r | |
249 | snp_wait_for_key ();\r | |
250 | #endif\r | |
251 | \r | |
252 | Done:\r | |
253 | if (IsUndi31) {\r | |
254 | gBS->CloseProtocol (\r | |
255 | Controller,\r | |
256 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
257 | This->DriverBindingHandle,\r | |
258 | Controller\r | |
259 | );\r | |
260 | \r | |
261 | } else {\r | |
262 | gBS->CloseProtocol (\r | |
263 | Controller,\r | |
264 | &gEfiNetworkInterfaceIdentifierProtocolGuid,\r | |
265 | This->DriverBindingHandle,\r | |
266 | Controller\r | |
267 | );\r | |
268 | }\r | |
269 | \r | |
270 | return Status;\r | |
271 | }\r | |
272 | \r | |
1cc8ee78 | 273 | STATIC\r |
878ddf1f | 274 | EFI_STATUS\r |
275 | EFIAPI\r | |
276 | SimpleNetworkDriverStart (\r | |
277 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
278 | IN EFI_HANDLE Controller,\r | |
279 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
280 | )\r | |
281 | /*++\r | |
282 | \r | |
283 | Routine Description:\r | |
284 | called for any handle that we said "supported" in the above call!\r | |
285 | \r | |
286 | Arguments:\r | |
287 | This - Protocol instance pointer.\r | |
288 | Controller - Handle of device to start\r | |
289 | RemainingDevicePath - Not used.\r | |
290 | \r | |
291 | Returns:\r | |
292 | EFI_SUCCESS - This driver supports this device.\r | |
293 | other - This driver failed to start this device.\r | |
294 | \r | |
295 | --*/\r | |
296 | {\r | |
297 | EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;\r | |
298 | EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;\r | |
299 | EFI_STATUS Status;\r | |
300 | PXE_UNDI *pxe;\r | |
301 | SNP_DRIVER *snp;\r | |
302 | VOID *addr;\r | |
303 | VOID *addrUnmap;\r | |
304 | EFI_PHYSICAL_ADDRESS paddr;\r | |
305 | EFI_HANDLE Handle;\r | |
306 | UINTN Size;\r | |
307 | BOOLEAN UndiNew;\r | |
308 | PXE_PCI_CONFIG_INFO ConfigInfo;\r | |
309 | PCI_TYPE00 *ConfigHeader;\r | |
310 | UINT32 *TempBar;\r | |
311 | UINT8 BarIndex;\r | |
312 | PXE_STATFLAGS InitStatFlags;\r | |
313 | \r | |
314 | DEBUG ((EFI_D_NET, "\nSnpNotifyNetworkInterfaceIdentifier() "));\r | |
315 | \r | |
316 | Status = gBS->OpenProtocol (\r | |
317 | Controller,\r | |
318 | &gEfiDevicePathProtocolGuid,\r | |
319 | (VOID **) &NiiDevicePath,\r | |
320 | This->DriverBindingHandle,\r | |
321 | Controller,\r | |
322 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
323 | );\r | |
324 | \r | |
325 | if (EFI_ERROR (Status)) {\r | |
326 | return Status;\r | |
327 | }\r | |
328 | \r | |
329 | Status = gBS->LocateDevicePath (\r | |
330 | &gEfiPciIoProtocolGuid,\r | |
331 | &NiiDevicePath,\r | |
332 | &Handle\r | |
333 | );\r | |
334 | \r | |
335 | if (EFI_ERROR (Status)) {\r | |
336 | return Status;\r | |
337 | }\r | |
338 | \r | |
339 | Status = gBS->OpenProtocol (\r | |
340 | Handle,\r | |
341 | &gEfiPciIoProtocolGuid,\r | |
342 | (VOID **) &mPciIoFncs,\r | |
343 | This->DriverBindingHandle,\r | |
344 | Controller,\r | |
345 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
346 | );\r | |
347 | if (EFI_ERROR (Status)) {\r | |
348 | return Status;\r | |
349 | }\r | |
350 | //\r | |
351 | // Get the NII interface. look for 3.1 undi first, if it is not there\r | |
352 | // then look for 3.0, validate the interface.\r | |
353 | //\r | |
354 | Status = gBS->OpenProtocol (\r | |
355 | Controller,\r | |
356 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
357 | (VOID **) &Nii,\r | |
358 | This->DriverBindingHandle,\r | |
359 | Controller,\r | |
360 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
361 | );\r | |
362 | if (Status == EFI_ALREADY_STARTED) {\r | |
363 | gBS->CloseProtocol (\r | |
364 | Controller,\r | |
365 | &gEfiDevicePathProtocolGuid,\r | |
366 | This->DriverBindingHandle,\r | |
367 | Controller\r | |
368 | );\r | |
369 | return Status;\r | |
370 | }\r | |
371 | \r | |
372 | if (!EFI_ERROR (Status)) {\r | |
373 | //\r | |
374 | // probably not a 3.1 UNDI\r | |
375 | //\r | |
376 | UndiNew = TRUE;\r | |
377 | #if SNP_DEBUG\r | |
378 | Aprint ("Start(): UNDI3.1 found\n");\r | |
379 | snp_wait_for_key ();\r | |
380 | #endif\r | |
381 | } else {\r | |
382 | UndiNew = FALSE;\r | |
383 | Status = gBS->OpenProtocol (\r | |
384 | Controller,\r | |
385 | &gEfiNetworkInterfaceIdentifierProtocolGuid,\r | |
386 | (VOID **) &Nii,\r | |
387 | This->DriverBindingHandle,\r | |
388 | Controller,\r | |
389 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
390 | );\r | |
391 | if (EFI_ERROR (Status)) {\r | |
392 | gBS->CloseProtocol (\r | |
393 | Controller,\r | |
394 | &gEfiDevicePathProtocolGuid,\r | |
395 | This->DriverBindingHandle,\r | |
396 | Controller\r | |
397 | );\r | |
398 | \r | |
399 | return Status;\r | |
400 | }\r | |
401 | \r | |
402 | #if SNP_DEBUG\r | |
403 | Aprint ("Start(): UNDI3.0 found\n");\r | |
404 | snp_wait_for_key ();\r | |
405 | #endif\r | |
406 | }\r | |
407 | \r | |
408 | pxe = (PXE_UNDI *) (UINTN) (Nii->ID);\r | |
409 | \r | |
410 | if (calc_8bit_cksum (pxe, pxe->hw.Len) != 0) {\r | |
411 | DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n"));\r | |
412 | goto NiiError;\r | |
413 | }\r | |
414 | \r | |
415 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r | |
416 | //\r | |
417 | // We can get any packets.\r | |
418 | //\r | |
419 | } else if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r | |
420 | //\r | |
421 | // We need to be able to get broadcast packets for DHCP.\r | |
422 | // If we do not have promiscuous support, we must at least have\r | |
423 | // broadcast support or we cannot do DHCP!\r | |
424 | //\r | |
425 | } else {\r | |
426 | DEBUG ((EFI_D_NET, "\nUNDI does not have promiscuous or broadcast support."));\r | |
427 | goto NiiError;\r | |
428 | }\r | |
429 | //\r | |
430 | // OK, we like this UNDI, and we know snp is not already there on this handle\r | |
431 | // Allocate and initialize a new simple network protocol structure.\r | |
432 | //\r | |
433 | Status = mPciIoFncs->AllocateBuffer (\r | |
434 | mPciIoFncs,\r | |
435 | AllocateAnyPages,\r | |
436 | EfiBootServicesData,\r | |
437 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
438 | &addr,\r | |
439 | 0\r | |
440 | );\r | |
441 | \r | |
442 | if (Status != EFI_SUCCESS) {\r | |
443 | DEBUG ((EFI_D_NET, "\nCould not allocate SNP_DRIVER structure.\n"));\r | |
444 | goto NiiError;\r | |
445 | }\r | |
446 | \r | |
447 | snp = (SNP_DRIVER *) (UINTN) addr;\r | |
448 | \r | |
449 | if (!UndiNew) {\r | |
450 | Size = SNP_MEM_PAGES (sizeof (SNP_DRIVER));\r | |
451 | \r | |
452 | Status = mPciIoFncs->Map (\r | |
453 | mPciIoFncs,\r | |
454 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
455 | addr,\r | |
456 | &Size,\r | |
457 | &paddr,\r | |
458 | &addrUnmap\r | |
459 | );\r | |
460 | \r | |
461 | ASSERT (paddr);\r | |
462 | \r | |
463 | DEBUG ((EFI_D_NET, "\nSNP_DRIVER @ %Xh, sizeof(SNP_DRIVER) == %d", addr, sizeof (SNP_DRIVER)));\r | |
464 | snp = (SNP_DRIVER *) (UINTN) paddr;\r | |
465 | snp->SnpDriverUnmap = addrUnmap;\r | |
466 | }\r | |
467 | \r | |
468 | ZeroMem (snp, sizeof (SNP_DRIVER));\r | |
469 | \r | |
470 | snp->IoFncs = mPciIoFncs;\r | |
471 | snp->IsOldUndi = (BOOLEAN) (!UndiNew);\r | |
472 | \r | |
473 | snp->Signature = SNP_DRIVER_SIGNATURE;\r | |
474 | \r | |
475 | EfiInitializeLock (&snp->lock, EFI_TPL_NOTIFY);\r | |
476 | \r | |
477 | snp->snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;\r | |
478 | snp->snp.Start = snp_undi32_start;\r | |
479 | snp->snp.Stop = snp_undi32_stop;\r | |
480 | snp->snp.Initialize = snp_undi32_initialize;\r | |
481 | snp->snp.Reset = snp_undi32_reset;\r | |
482 | snp->snp.Shutdown = snp_undi32_shutdown;\r | |
483 | snp->snp.ReceiveFilters = snp_undi32_receive_filters;\r | |
484 | snp->snp.StationAddress = snp_undi32_station_address;\r | |
485 | snp->snp.Statistics = snp_undi32_statistics;\r | |
486 | snp->snp.MCastIpToMac = snp_undi32_mcast_ip_to_mac;\r | |
487 | snp->snp.NvData = snp_undi32_nvdata;\r | |
488 | snp->snp.GetStatus = snp_undi32_get_status;\r | |
489 | snp->snp.Transmit = snp_undi32_transmit;\r | |
490 | snp->snp.Receive = snp_undi32_receive;\r | |
491 | snp->snp.WaitForPacket = NULL;\r | |
492 | \r | |
493 | snp->snp.Mode = &snp->mode;\r | |
494 | \r | |
495 | snp->tx_rx_bufsize = 0;\r | |
496 | snp->tx_rx_buffer = NULL;\r | |
497 | \r | |
498 | snp->if_num = Nii->IfNum;\r | |
499 | \r | |
500 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {\r | |
501 | snp->is_swundi = FALSE;\r | |
502 | snp->issue_undi32_command = &issue_hwundi_command;\r | |
503 | } else {\r | |
504 | snp->is_swundi = TRUE;\r | |
505 | \r | |
506 | if ((pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {\r | |
507 | snp->issue_undi32_command = (issue_undi32_command) (UINTN) pxe->sw.EntryPoint;\r | |
508 | } else {\r | |
509 | snp->issue_undi32_command = (issue_undi32_command) (UINTN) ((UINT8) (UINTN) pxe + pxe->sw.EntryPoint);\r | |
510 | }\r | |
511 | }\r | |
512 | //\r | |
513 | // Allocate a global CPB and DB buffer for this UNDI interface.\r | |
514 | // we do this because:\r | |
515 | //\r | |
516 | // -UNDI 3.0 wants all the addresses passed to it (even the cpb and db) to be\r | |
517 | // within 2GB limit, create them here and map them so that when undi calls\r | |
518 | // v2p callback to check if the physical address is < 2gb, we will pass.\r | |
519 | //\r | |
520 | // -This is not a requirement for 3.1 or later UNDIs but the code looks\r | |
521 | // simpler if we use the same cpb, db variables for both old and new undi\r | |
522 | // interfaces from all the SNP interface calls (we don't map the buffers\r | |
523 | // for the newer undi interfaces though)\r | |
524 | // .\r | |
525 | // -it is OK to allocate one global set of CPB, DB pair for each UNDI\r | |
526 | // interface as EFI does not multi-task and so SNP will not be re-entered!\r | |
527 | //\r | |
528 | Status = mPciIoFncs->AllocateBuffer (\r | |
529 | mPciIoFncs,\r | |
530 | AllocateAnyPages,\r | |
531 | EfiBootServicesData,\r | |
532 | SNP_MEM_PAGES (4096),\r | |
533 | &addr,\r | |
534 | 0\r | |
535 | );\r | |
536 | \r | |
537 | if (Status != EFI_SUCCESS) {\r | |
538 | DEBUG ((EFI_D_NET, "\nCould not allocate CPB and DB structures.\n"));\r | |
539 | goto Error_DeleteSNP;\r | |
540 | }\r | |
541 | \r | |
542 | if (snp->IsOldUndi) {\r | |
543 | Size = SNP_MEM_PAGES (4096);\r | |
544 | \r | |
545 | Status = mPciIoFncs->Map (\r | |
546 | mPciIoFncs,\r | |
547 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
548 | addr,\r | |
549 | &Size,\r | |
550 | &paddr,\r | |
551 | &snp->CpbUnmap\r | |
552 | );\r | |
553 | \r | |
554 | ASSERT (paddr);\r | |
555 | \r | |
556 | snp->cpb = (VOID *) (UINTN) paddr;\r | |
557 | snp->db = (VOID *) ((UINTN) paddr + 2048);\r | |
558 | } else {\r | |
559 | snp->cpb = (VOID *) (UINTN) addr;\r | |
560 | snp->db = (VOID *) ((UINTN) addr + 2048);\r | |
561 | }\r | |
562 | //\r | |
563 | // pxe_start call is going to give the callback functions to UNDI, these callback\r | |
564 | // functions use the BarIndex values from the snp structure, so these must be initialized\r | |
565 | // with default values before doing a pxe_start. The correct values can be obtained after\r | |
566 | // getting the config information from UNDI\r | |
567 | //\r | |
568 | snp->MemoryBarIndex = 0;\r | |
569 | snp->IoBarIndex = 1;\r | |
570 | \r | |
571 | //\r | |
572 | // we need the undi init information many times in this snp code, just get it\r | |
573 | // once here and store it in the snp driver structure. to get Init Info\r | |
574 | // from UNDI we have to start undi first.\r | |
575 | //\r | |
576 | Status = pxe_start (snp);\r | |
577 | \r | |
578 | if (Status != EFI_SUCCESS) {\r | |
579 | goto Error_DeleteCPBDB;\r | |
580 | }\r | |
581 | \r | |
582 | snp->cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;\r | |
583 | snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r | |
584 | \r | |
585 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
586 | snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r | |
587 | \r | |
588 | snp->cdb.DBsize = sizeof snp->init_info;\r | |
589 | snp->cdb.DBaddr = (UINT64) (UINTN) &snp->init_info;\r | |
590 | \r | |
591 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
592 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
593 | \r | |
594 | snp->cdb.IFnum = snp->if_num;\r | |
595 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
596 | \r | |
597 | DEBUG ((EFI_D_NET, "\nsnp->undi.get_init_info() "));\r | |
598 | \r | |
599 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
600 | \r | |
601 | //\r | |
602 | // Save the INIT Stat Code...\r | |
603 | //\r | |
604 | InitStatFlags = snp->cdb.StatFlags;\r | |
605 | \r | |
606 | if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r | |
607 | DEBUG ((EFI_D_NET, "\nsnp->undi.init_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r | |
608 | pxe_stop (snp);\r | |
609 | goto Error_DeleteCPBDB;\r | |
610 | }\r | |
611 | \r | |
612 | snp->cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO;\r | |
613 | snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r | |
614 | \r | |
615 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
616 | snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r | |
617 | \r | |
618 | snp->cdb.DBsize = sizeof ConfigInfo;\r | |
619 | snp->cdb.DBaddr = (UINT64) (UINTN) &ConfigInfo;\r | |
620 | \r | |
621 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
622 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
623 | \r | |
624 | snp->cdb.IFnum = snp->if_num;\r | |
625 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
626 | \r | |
627 | DEBUG ((EFI_D_NET, "\nsnp->undi.get_config_info() "));\r | |
628 | \r | |
629 | (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r | |
630 | \r | |
631 | if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r | |
632 | DEBUG ((EFI_D_NET, "\nsnp->undi.config_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r | |
633 | pxe_stop (snp);\r | |
634 | goto Error_DeleteCPBDB;\r | |
635 | }\r | |
636 | //\r | |
637 | // Find the correct BAR to do IO.\r | |
638 | //\r | |
639 | //\r | |
640 | // Enumerate through the PCI BARs for the device to determine which one is\r | |
641 | // the IO BAR. Save the index of the BAR into the adapter info structure.\r | |
642 | // for regular 32bit BARs, 0 is memory mapped, 1 is io mapped\r | |
643 | //\r | |
644 | ConfigHeader = (PCI_TYPE00 *) &ConfigInfo.Config.Byte[0];\r | |
645 | TempBar = (UINT32 *) &ConfigHeader->Device.Bar[0];\r | |
646 | for (BarIndex = 0; BarIndex <= 5; BarIndex++) {\r | |
647 | if ((*TempBar & PCI_BAR_MEM_MASK) == PCI_BAR_MEM_64BIT) {\r | |
648 | //\r | |
649 | // This is a 64-bit memory bar, skip this and the\r | |
650 | // next bar as well.\r | |
651 | //\r | |
652 | TempBar++;\r | |
653 | }\r | |
654 | \r | |
655 | if ((*TempBar & PCI_BAR_IO_MASK) == PCI_BAR_IO_MODE) {\r | |
656 | snp->IoBarIndex = BarIndex;\r | |
657 | break;\r | |
658 | }\r | |
659 | \r | |
660 | TempBar++;\r | |
661 | }\r | |
662 | \r | |
663 | //\r | |
664 | // We allocate 2 more global buffers for undi 3.0 interface. We use these\r | |
665 | // buffers to pass to undi when the user buffers are beyond 4GB.\r | |
666 | // UNDI 3.0 wants all the addresses passed to it to be\r | |
667 | // within 2GB limit, create them here and map them so that when undi calls\r | |
668 | // v2p callback to check if the physical address is < 2gb, we will pass.\r | |
669 | //\r | |
670 | // For 3.1 and later UNDIs, we do not do this because undi is\r | |
671 | // going to call the map() callback if and only if it wants to use the\r | |
672 | // device address for any address it receives.\r | |
673 | //\r | |
674 | if (snp->IsOldUndi) {\r | |
675 | //\r | |
676 | // buffer for receive\r | |
677 | //\r | |
678 | Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen);\r | |
679 | Status = mPciIoFncs->AllocateBuffer (\r | |
680 | mPciIoFncs,\r | |
681 | AllocateAnyPages,\r | |
682 | EfiBootServicesData,\r | |
683 | Size,\r | |
684 | &addr,\r | |
685 | 0\r | |
686 | );\r | |
687 | \r | |
688 | if (Status != EFI_SUCCESS) {\r | |
689 | DEBUG ((EFI_D_ERROR, "\nCould not allocate receive buffer.\n"));\r | |
690 | goto Error_DeleteCPBDB;\r | |
691 | }\r | |
692 | \r | |
693 | Status = mPciIoFncs->Map (\r | |
694 | mPciIoFncs,\r | |
695 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
696 | addr,\r | |
697 | &Size,\r | |
698 | &paddr,\r | |
699 | &snp->ReceiveBufUnmap\r | |
700 | );\r | |
701 | \r | |
702 | ASSERT (paddr);\r | |
703 | \r | |
704 | snp->receive_buf = (UINT8 *) (UINTN) paddr;\r | |
705 | \r | |
706 | //\r | |
707 | // buffer for fill_header\r | |
708 | //\r | |
709 | Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen);\r | |
710 | Status = mPciIoFncs->AllocateBuffer (\r | |
711 | mPciIoFncs,\r | |
712 | AllocateAnyPages,\r | |
713 | EfiBootServicesData,\r | |
714 | Size,\r | |
715 | &addr,\r | |
716 | 0\r | |
717 | );\r | |
718 | \r | |
719 | if (Status != EFI_SUCCESS) {\r | |
720 | DEBUG ((EFI_D_ERROR, "\nCould not allocate fill_header buffer.\n"));\r | |
721 | goto Error_DeleteRCVBuf;\r | |
722 | }\r | |
723 | \r | |
724 | Status = mPciIoFncs->Map (\r | |
725 | mPciIoFncs,\r | |
726 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
727 | addr,\r | |
728 | &Size,\r | |
729 | &paddr,\r | |
730 | &snp->FillHdrBufUnmap\r | |
731 | );\r | |
732 | \r | |
733 | ASSERT (paddr);\r | |
734 | snp->fill_hdr_buf = (UINT8 *) (UINTN) paddr;\r | |
735 | }\r | |
736 | //\r | |
737 | // Initialize simple network protocol mode structure\r | |
738 | //\r | |
739 | snp->mode.State = EfiSimpleNetworkStopped;\r | |
740 | snp->mode.HwAddressSize = snp->init_info.HWaddrLen;\r | |
741 | snp->mode.MediaHeaderSize = snp->init_info.MediaHeaderLen;\r | |
742 | snp->mode.MaxPacketSize = snp->init_info.FrameDataLen;\r | |
743 | snp->mode.NvRamAccessSize = snp->init_info.NvWidth;\r | |
744 | snp->mode.NvRamSize = snp->init_info.NvCount * snp->mode.NvRamAccessSize;\r | |
745 | snp->mode.IfType = snp->init_info.IFtype;\r | |
746 | snp->mode.MaxMCastFilterCount = snp->init_info.MCastFilterCnt;\r | |
747 | snp->mode.MCastFilterCount = 0;\r | |
748 | \r | |
749 | switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {\r | |
750 | case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:\r | |
751 | snp->mode.MediaPresentSupported = TRUE;\r | |
752 | break;\r | |
753 | \r | |
754 | case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:\r | |
755 | default:\r | |
756 | snp->mode.MediaPresentSupported = FALSE;\r | |
757 | }\r | |
758 | \r | |
759 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {\r | |
760 | snp->mode.MacAddressChangeable = TRUE;\r | |
761 | } else {\r | |
762 | snp->mode.MacAddressChangeable = FALSE;\r | |
763 | }\r | |
764 | \r | |
765 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {\r | |
766 | snp->mode.MultipleTxSupported = TRUE;\r | |
767 | } else {\r | |
768 | snp->mode.MultipleTxSupported = FALSE;\r | |
769 | }\r | |
770 | \r | |
771 | snp->mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
772 | \r | |
773 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r | |
774 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
775 | \r | |
776 | }\r | |
777 | \r | |
778 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r | |
779 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
780 | \r | |
781 | }\r | |
782 | \r | |
783 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r | |
784 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
785 | \r | |
786 | }\r | |
787 | \r | |
788 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {\r | |
789 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
790 | \r | |
791 | }\r | |
792 | \r | |
793 | if (pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {\r | |
794 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
795 | \r | |
796 | }\r | |
797 | \r | |
798 | snp->mode.ReceiveFilterSetting = 0;\r | |
799 | \r | |
800 | //\r | |
801 | // need to get the station address to save in the mode structure. we need to\r | |
802 | // initialize the UNDI first for this.\r | |
803 | //\r | |
804 | snp->tx_rx_bufsize = snp->init_info.MemoryRequired;\r | |
805 | Status = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r | |
806 | \r | |
807 | if (Status) {\r | |
808 | pxe_stop (snp);\r | |
809 | goto Error_DeleteHdrBuf;\r | |
810 | }\r | |
811 | \r | |
812 | Status = pxe_get_stn_addr (snp);\r | |
813 | \r | |
814 | if (Status != EFI_SUCCESS) {\r | |
815 | DEBUG ((EFI_D_ERROR, "\nsnp->undi.get_station_addr() failed.\n"));\r | |
816 | pxe_shutdown (snp);\r | |
817 | pxe_stop (snp);\r | |
818 | goto Error_DeleteHdrBuf;\r | |
819 | }\r | |
820 | \r | |
821 | snp->mode.MediaPresent = FALSE;\r | |
822 | \r | |
823 | //\r | |
824 | // We should not leave UNDI started and initialized here. this DriverStart()\r | |
825 | // routine must only find and attach the SNP interface to UNDI layer that it\r | |
826 | // finds on the given handle!\r | |
827 | // The UNDI layer will be started when upper layers call snp->start.\r | |
828 | // How ever, this DriverStart() must fill up the snp mode structure which\r | |
829 | // contains the MAC address of the NIC. For this reason we started and\r | |
830 | // initialized UNDI here, now we are done, do a shutdown and stop of the\r | |
831 | // UNDI interface!\r | |
832 | //\r | |
833 | pxe_shutdown (snp);\r | |
834 | pxe_stop (snp);\r | |
835 | \r | |
836 | //\r | |
837 | // add SNP to the undi handle\r | |
838 | //\r | |
839 | Status = gBS->InstallProtocolInterface (\r | |
840 | &Controller,\r | |
841 | &gEfiSimpleNetworkProtocolGuid,\r | |
842 | EFI_NATIVE_INTERFACE,\r | |
843 | &(snp->snp)\r | |
844 | );\r | |
845 | \r | |
846 | if (!EFI_ERROR (Status)) {\r | |
847 | return Status;\r | |
848 | }\r | |
849 | \r | |
850 | Error_DeleteHdrBuf:\r | |
851 | if (snp->IsOldUndi) {\r | |
852 | Status = mPciIoFncs->Unmap (\r | |
853 | mPciIoFncs,\r | |
854 | snp->FillHdrBufUnmap\r | |
855 | );\r | |
856 | Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen);\r | |
857 | mPciIoFncs->FreeBuffer (\r | |
858 | mPciIoFncs,\r | |
859 | Size,\r | |
860 | snp->fill_hdr_buf\r | |
861 | );\r | |
862 | }\r | |
863 | \r | |
864 | Error_DeleteRCVBuf:\r | |
865 | if (snp->IsOldUndi) {\r | |
866 | Status = mPciIoFncs->Unmap (\r | |
867 | mPciIoFncs,\r | |
868 | snp->ReceiveBufUnmap\r | |
869 | );\r | |
870 | Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen);\r | |
871 | mPciIoFncs->FreeBuffer (\r | |
872 | mPciIoFncs,\r | |
873 | Size,\r | |
874 | snp->receive_buf\r | |
875 | );\r | |
876 | \r | |
877 | }\r | |
878 | \r | |
879 | Error_DeleteCPBDB:\r | |
880 | if (snp->IsOldUndi) {\r | |
881 | Status = mPciIoFncs->Unmap (\r | |
882 | mPciIoFncs,\r | |
883 | snp->CpbUnmap\r | |
884 | );\r | |
885 | }\r | |
886 | \r | |
887 | Status = mPciIoFncs->FreeBuffer (\r | |
888 | mPciIoFncs,\r | |
889 | SNP_MEM_PAGES (4096),\r | |
890 | snp->cpb\r | |
891 | );\r | |
892 | \r | |
893 | Error_DeleteSNP:\r | |
894 | if (snp->IsOldUndi) {\r | |
895 | Status = mPciIoFncs->Unmap (\r | |
896 | mPciIoFncs,\r | |
897 | snp->SnpDriverUnmap\r | |
898 | );\r | |
899 | }\r | |
900 | \r | |
901 | mPciIoFncs->FreeBuffer (\r | |
902 | mPciIoFncs,\r | |
903 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
904 | snp\r | |
905 | );\r | |
906 | NiiError:\r | |
907 | if (!UndiNew) {\r | |
908 | gBS->CloseProtocol (\r | |
909 | Controller,\r | |
910 | &gEfiNetworkInterfaceIdentifierProtocolGuid,\r | |
911 | This->DriverBindingHandle,\r | |
912 | Controller\r | |
913 | );\r | |
914 | } else {\r | |
915 | gBS->CloseProtocol (\r | |
916 | Controller,\r | |
917 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
918 | This->DriverBindingHandle,\r | |
919 | Controller\r | |
920 | );\r | |
921 | }\r | |
922 | \r | |
923 | gBS->CloseProtocol (\r | |
924 | Controller,\r | |
925 | &gEfiDevicePathProtocolGuid,\r | |
926 | This->DriverBindingHandle,\r | |
927 | Controller\r | |
928 | );\r | |
929 | \r | |
930 | return Status;\r | |
931 | }\r | |
932 | \r | |
1cc8ee78 | 933 | STATIC\r |
878ddf1f | 934 | EFI_STATUS\r |
935 | EFIAPI\r | |
936 | SimpleNetworkDriverStop (\r | |
937 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
938 | IN EFI_HANDLE Controller,\r | |
939 | IN UINTN NumberOfChildren,\r | |
940 | IN EFI_HANDLE *ChildHandleBuffer\r | |
941 | )\r | |
942 | /*++\r | |
943 | \r | |
944 | Routine Description:\r | |
945 | \r | |
946 | Arguments:\r | |
947 | \r | |
948 | Returns:\r | |
949 | \r | |
950 | --*/\r | |
951 | {\r | |
952 | EFI_STATUS Status;\r | |
953 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;\r | |
954 | SNP_DRIVER *Snp;\r | |
955 | \r | |
956 | //\r | |
957 | // Get our context back.\r | |
958 | //\r | |
959 | Status = gBS->OpenProtocol (\r | |
960 | Controller,\r | |
961 | &gEfiSimpleNetworkProtocolGuid,\r | |
962 | (VOID **) &SnpProtocol,\r | |
963 | This->DriverBindingHandle,\r | |
964 | Controller,\r | |
965 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
966 | );\r | |
967 | \r | |
968 | if (EFI_ERROR (Status)) {\r | |
969 | return EFI_UNSUPPORTED;\r | |
970 | }\r | |
971 | \r | |
972 | Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SnpProtocol);\r | |
973 | \r | |
974 | Status = gBS->UninstallProtocolInterface (\r | |
975 | Controller,\r | |
976 | &gEfiSimpleNetworkProtocolGuid,\r | |
977 | &Snp->snp\r | |
978 | );\r | |
979 | \r | |
980 | if (EFI_ERROR (Status)) {\r | |
981 | return Status;\r | |
982 | }\r | |
983 | \r | |
984 | if (!Snp->IsOldUndi) {\r | |
985 | Status = gBS->CloseProtocol (\r | |
986 | Controller,\r | |
987 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
988 | This->DriverBindingHandle,\r | |
989 | Controller\r | |
990 | );\r | |
991 | } else {\r | |
992 | Status = gBS->CloseProtocol (\r | |
993 | Controller,\r | |
994 | &gEfiNetworkInterfaceIdentifierProtocolGuid,\r | |
995 | This->DriverBindingHandle,\r | |
996 | Controller\r | |
997 | );\r | |
998 | }\r | |
999 | \r | |
1000 | Status = gBS->CloseProtocol (\r | |
1001 | Controller,\r | |
1002 | &gEfiDevicePathProtocolGuid,\r | |
1003 | This->DriverBindingHandle,\r | |
1004 | Controller\r | |
1005 | );\r | |
1006 | \r | |
1007 | pxe_shutdown (Snp);\r | |
1008 | pxe_stop (Snp);\r | |
1009 | \r | |
1010 | if (Snp->IsOldUndi) {\r | |
1011 | Status = mPciIoFncs->Unmap (\r | |
1012 | mPciIoFncs,\r | |
1013 | Snp->FillHdrBufUnmap\r | |
1014 | );\r | |
1015 | \r | |
1016 | mPciIoFncs->FreeBuffer (\r | |
1017 | mPciIoFncs,\r | |
1018 | SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen),\r | |
1019 | Snp->fill_hdr_buf\r | |
1020 | );\r | |
1021 | Status = mPciIoFncs->Unmap (\r | |
1022 | mPciIoFncs,\r | |
1023 | Snp->ReceiveBufUnmap\r | |
1024 | );\r | |
1025 | \r | |
1026 | mPciIoFncs->FreeBuffer (\r | |
1027 | mPciIoFncs,\r | |
1028 | SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen + Snp->init_info.FrameDataLen),\r | |
1029 | Snp->receive_buf\r | |
1030 | );\r | |
1031 | \r | |
1032 | Status = mPciIoFncs->Unmap (\r | |
1033 | mPciIoFncs,\r | |
1034 | Snp->CpbUnmap\r | |
1035 | );\r | |
1036 | Status = mPciIoFncs->Unmap (\r | |
1037 | mPciIoFncs,\r | |
1038 | Snp->SnpDriverUnmap\r | |
1039 | );\r | |
1040 | }\r | |
1041 | \r | |
1042 | mPciIoFncs->FreeBuffer (\r | |
1043 | mPciIoFncs,\r | |
1044 | SNP_MEM_PAGES (4096),\r | |
1045 | Snp->cpb\r | |
1046 | );\r | |
1047 | \r | |
1048 | mPciIoFncs->FreeBuffer (\r | |
1049 | mPciIoFncs,\r | |
1050 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
1051 | Snp\r | |
1052 | );\r | |
1053 | \r | |
1054 | return Status;\r | |
1055 | }\r | |
1056 | \r | |
1cc8ee78 | 1057 | //\r |
1058 | // Simple Network Protocol Driver Global Variables\r | |
1059 | //\r | |
1060 | EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {\r | |
1061 | SimpleNetworkDriverSupported,\r | |
1062 | SimpleNetworkDriverStart,\r | |
1063 | SimpleNetworkDriverStop,\r | |
1064 | 0xa,\r | |
1065 | NULL,\r | |
1066 | NULL\r | |
1067 | };\r | |
1068 | \r | |
1069 | EFI_STATUS\r | |
1070 | add_v2p (\r | |
1071 | IN OUT struct s_v2p **v2p,\r | |
1072 | EFI_PCI_IO_PROTOCOL_OPERATION type,\r | |
1073 | VOID *vaddr,\r | |
1074 | UINTN bsize\r | |
1075 | )\r | |
1076 | /*++\r | |
1077 | \r | |
1078 | Routine Description:\r | |
1079 | This routine maps the given CPU address to a Device address. It creates a\r | |
1080 | an entry in the map list with the virtual and physical addresses and the \r | |
1081 | un map cookie.\r | |
1082 | \r | |
1083 | Arguments:\r | |
1084 | v2p - pointer to return a map list node pointer.\r | |
1085 | type - the direction in which the data flows from the given virtual address\r | |
1086 | device->cpu or cpu->device or both ways.\r | |
1087 | vaddr - virtual address (or CPU address) to be mapped\r | |
1088 | bsize - size of the buffer to be mapped.\r | |
1089 | \r | |
1090 | Returns:\r | |
1091 | \r | |
1092 | EFI_SUCEESS - routine has completed the mapping\r | |
1093 | other - error as indicated.\r | |
1094 | \r | |
1095 | --*/\r | |
1096 | {\r | |
1097 | EFI_STATUS Status;\r | |
1098 | \r | |
1099 | if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) {\r | |
1100 | return EFI_INVALID_PARAMETER;\r | |
1101 | }\r | |
1102 | \r | |
1103 | Status = gBS->AllocatePool (\r | |
1104 | EfiBootServicesData,\r | |
1105 | sizeof (struct s_v2p),\r | |
1106 | (VOID **) v2p\r | |
1107 | );\r | |
1108 | \r | |
1109 | if (Status != EFI_SUCCESS) {\r | |
1110 | return Status;\r | |
1111 | }\r | |
1112 | \r | |
1113 | Status = mPciIoFncs->Map (\r | |
1114 | mPciIoFncs,\r | |
1115 | type,\r | |
1116 | vaddr,\r | |
1117 | &bsize,\r | |
1118 | &(*v2p)->paddr,\r | |
1119 | &(*v2p)->unmap\r | |
1120 | );\r | |
1121 | if (Status != EFI_SUCCESS) {\r | |
1122 | gBS->FreePool (*v2p);\r | |
1123 | return Status;\r | |
1124 | }\r | |
1125 | (*v2p)->vaddr = vaddr;\r | |
1126 | (*v2p)->bsize = bsize;\r | |
1127 | (*v2p)->next = _v2p;\r | |
1128 | _v2p = *v2p;\r | |
1129 | \r | |
1130 | return EFI_SUCCESS;\r | |
1131 | }\r | |
1132 | \r | |
1133 | EFI_STATUS\r | |
1134 | find_v2p (\r | |
1135 | struct s_v2p **v2p,\r | |
1136 | VOID *vaddr\r | |
1137 | )\r | |
1138 | /*++\r | |
1139 | \r | |
1140 | Routine Description:\r | |
1141 | This routine searches the linked list of mapped address nodes (for undi3.0 \r | |
1142 | interface) to find the node that corresponds to the given virtual address and\r | |
1143 | returns a pointer to that node.\r | |
1144 | \r | |
1145 | Arguments:\r | |
1146 | v2p - pointer to return a map list node pointer.\r | |
1147 | vaddr - virtual address (or CPU address) to be searched in the map list\r | |
1148 | \r | |
1149 | Returns:\r | |
1150 | \r | |
1151 | EFI_SUCEESS - if a match found!\r | |
1152 | Other - match not found\r | |
1153 | \r | |
1154 | --*/\r | |
1155 | {\r | |
1156 | struct s_v2p *v;\r | |
1157 | \r | |
1158 | if (v2p == NULL || vaddr == NULL) {\r | |
1159 | return EFI_INVALID_PARAMETER;\r | |
1160 | }\r | |
1161 | \r | |
1162 | for (v = _v2p; v != NULL; v = v->next) {\r | |
1163 | if (v->vaddr == vaddr) {\r | |
1164 | *v2p = v;\r | |
1165 | return EFI_SUCCESS;\r | |
1166 | }\r | |
1167 | }\r | |
1168 | \r | |
1169 | return EFI_NOT_FOUND;\r | |
1170 | }\r | |
1171 | \r | |
1172 | EFI_STATUS\r | |
1173 | del_v2p (\r | |
1174 | VOID *vaddr\r | |
1175 | )\r | |
1176 | /*++\r | |
1177 | \r | |
1178 | Routine Description:\r | |
1179 | This routine unmaps the given virtual address and frees the memory allocated \r | |
1180 | for the map list node corresponding to that address.\r | |
1181 | \r | |
1182 | Arguments:\r | |
1183 | vaddr - virtual address (or CPU address) to be unmapped\r | |
1184 | \r | |
1185 | Returns:\r | |
1186 | EFI_SUCEESS - if successfully unmapped\r | |
1187 | Other - as indicated by the error\r | |
1188 | \r | |
1189 | \r | |
1190 | --*/\r | |
1191 | {\r | |
1192 | struct s_v2p *v;\r | |
1193 | struct s_v2p *t;\r | |
1194 | EFI_STATUS Status;\r | |
1195 | \r | |
1196 | if (vaddr == NULL) {\r | |
1197 | return EFI_INVALID_PARAMETER;\r | |
1198 | }\r | |
1199 | \r | |
1200 | if (_v2p == NULL) {\r | |
1201 | return EFI_NOT_FOUND;\r | |
1202 | }\r | |
1203 | //\r | |
1204 | // Is our node at the head of the list??\r | |
1205 | //\r | |
1206 | if ((v = _v2p)->vaddr == vaddr) {\r | |
1207 | _v2p = _v2p->next;\r | |
1208 | \r | |
1209 | Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap);\r | |
1210 | \r | |
1211 | gBS->FreePool (v);\r | |
1212 | \r | |
1213 | #if SNP_DEBUG\r | |
1214 | if (Status) {\r | |
1215 | Print (L"Unmap failed with status = %x\n", Status);\r | |
1216 | }\r | |
1217 | #endif\r | |
1218 | return Status;\r | |
1219 | }\r | |
1220 | \r | |
1221 | for (; v->next != NULL; v = t) {\r | |
1222 | if ((t = v->next)->vaddr == vaddr) {\r | |
1223 | v->next = t->next;\r | |
1224 | Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap);\r | |
1225 | gBS->FreePool (t);\r | |
1226 | #if SNP_DEBUG\r | |
1227 | if (Status) {\r | |
1228 | Print (L"Unmap failed with status = %x\n", Status);\r | |
1229 | }\r | |
1230 | #endif\r | |
1231 | return Status;\r | |
1232 | }\r | |
1233 | }\r | |
1234 | \r | |
1235 | return EFI_NOT_FOUND;\r | |
1236 | }\r | |
1237 | \r | |
1238 | #if SNP_DEBUG\r | |
1239 | VOID\r | |
1240 | snp_wait_for_key (\r | |
1241 | VOID\r | |
1242 | )\r | |
1243 | /*++\r | |
1244 | \r | |
1245 | Routine Description:\r | |
1246 | Wait for a key stroke, used for debugging purposes\r | |
1247 | \r | |
1248 | Arguments:\r | |
1249 | none\r | |
1250 | \r | |
1251 | Returns:\r | |
1252 | none\r | |
1253 | \r | |
1254 | --*/\r | |
1255 | {\r | |
1256 | EFI_INPUT_KEY key;\r | |
1257 | \r | |
1258 | Aprint ("\nPress any key to continue\n");\r | |
1259 | \r | |
1260 | while (gST->ConIn->ReadKeyStroke (gST->ConIn, &key) == EFI_NOT_READY) {\r | |
1261 | ;\r | |
1262 | }\r | |
1263 | }\r | |
1264 | #endif\r |