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c049fc99 JY |
1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php.\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #include "DmaProtection.h"\r | |
15 | \r | |
16 | UINT64 mVtdHostAddressWidthMask;\r | |
17 | UINTN mVtdUnitNumber;\r | |
18 | VTD_UNIT_INFORMATION *mVtdUnitInformation;\r | |
19 | \r | |
20 | BOOLEAN mVtdEnabled;\r | |
21 | \r | |
22 | /**\r | |
4ad5f597 | 23 | Flush VTD page table and context table memory.\r |
c049fc99 | 24 | \r |
4ad5f597 | 25 | This action is to make sure the IOMMU engine can get final data in memory.\r |
c049fc99 | 26 | \r |
4ad5f597 JY |
27 | @param[in] VtdIndex The index used to identify a VTd engine.\r |
28 | @param[in] Base The base address of memory to be flushed.\r | |
29 | @param[in] Size The size of memory in bytes to be flushed.\r | |
c049fc99 | 30 | **/\r |
4ad5f597 JY |
31 | VOID\r |
32 | FlushPageTableMemory (\r | |
33 | IN UINTN VtdIndex,\r | |
34 | IN UINTN Base,\r | |
35 | IN UINTN Size\r | |
36 | )\r | |
37 | {\r | |
38 | if (mVtdUnitInformation[VtdIndex].ECapReg.Bits.C == 0) {\r | |
39 | WriteBackDataCacheRange ((VOID *)Base, Size);\r | |
40 | }\r | |
41 | }\r | |
42 | \r | |
43 | /**\r | |
44 | Flush VTd engine write buffer.\r | |
45 | \r | |
46 | @param[in] VtdIndex The index used to identify a VTd engine.\r | |
47 | **/\r | |
48 | VOID\r | |
49 | FlushWriteBuffer (\r | |
c049fc99 JY |
50 | IN UINTN VtdIndex\r |
51 | )\r | |
52 | {\r | |
c049fc99 JY |
53 | UINT32 Reg32;\r |
54 | \r | |
4ad5f597 JY |
55 | if (mVtdUnitInformation[VtdIndex].CapReg.Bits.RWBF != 0) {\r |
56 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_GSTS_REG);\r | |
57 | MmioWrite32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_GCMD_REG, Reg32 | B_GMCD_REG_WBF);\r | |
58 | do {\r | |
59 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_GSTS_REG);\r | |
60 | } while ((Reg32 & B_GSTS_REG_WBF) != 0);\r | |
c049fc99 | 61 | }\r |
4ad5f597 | 62 | }\r |
c049fc99 | 63 | \r |
4ad5f597 JY |
64 | /**\r |
65 | Invalidate VTd context cache.\r | |
c049fc99 | 66 | \r |
4ad5f597 JY |
67 | @param[in] VtdIndex The index used to identify a VTd engine.\r |
68 | **/\r | |
69 | EFI_STATUS\r | |
70 | InvalidateContextCache (\r | |
71 | IN UINTN VtdIndex\r | |
72 | )\r | |
73 | {\r | |
74 | UINT64 Reg64;\r | |
c049fc99 | 75 | \r |
c049fc99 JY |
76 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_CCMD_REG);\r |
77 | if ((Reg64 & B_CCMD_REG_ICC) != 0) {\r | |
4ad5f597 | 78 | DEBUG ((DEBUG_ERROR,"ERROR: InvalidateContextCache: B_CCMD_REG_ICC is set for VTD(%d)\n",VtdIndex));\r |
c049fc99 JY |
79 | return EFI_DEVICE_ERROR;\r |
80 | }\r | |
81 | \r | |
82 | Reg64 &= ((~B_CCMD_REG_ICC) & (~B_CCMD_REG_CIRG_MASK));\r | |
83 | Reg64 |= (B_CCMD_REG_ICC | V_CCMD_REG_CIRG_GLOBAL);\r | |
84 | MmioWrite64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_CCMD_REG, Reg64);\r | |
85 | \r | |
86 | do {\r | |
87 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_CCMD_REG);\r | |
88 | } while ((Reg64 & B_CCMD_REG_ICC) != 0);\r | |
89 | \r | |
c049fc99 JY |
90 | return EFI_SUCCESS;\r |
91 | }\r | |
92 | \r | |
93 | /**\r | |
4ad5f597 | 94 | Invalidate VTd IOTLB.\r |
c049fc99 | 95 | \r |
4ad5f597 | 96 | @param[in] VtdIndex The index used to identify a VTd engine.\r |
c049fc99 JY |
97 | **/\r |
98 | EFI_STATUS\r | |
4ad5f597 JY |
99 | InvalidateIOTLB (\r |
100 | IN UINTN VtdIndex\r | |
c049fc99 JY |
101 | )\r |
102 | {\r | |
103 | UINT64 Reg64;\r | |
104 | \r | |
c049fc99 JY |
105 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + (mVtdUnitInformation[VtdIndex].ECapReg.Bits.IRO * 16) + R_IOTLB_REG);\r |
106 | if ((Reg64 & B_IOTLB_REG_IVT) != 0) {\r | |
4ad5f597 | 107 | DEBUG ((DEBUG_ERROR,"ERROR: InvalidateIOTLB: B_IOTLB_REG_IVT is set for VTD(%d)\n", VtdIndex));\r |
c049fc99 JY |
108 | return EFI_DEVICE_ERROR;\r |
109 | }\r | |
110 | \r | |
111 | Reg64 &= ((~B_IOTLB_REG_IVT) & (~B_IOTLB_REG_IIRG_MASK));\r | |
4ad5f597 | 112 | Reg64 |= (B_IOTLB_REG_IVT | V_IOTLB_REG_IIRG_GLOBAL);\r |
c049fc99 JY |
113 | MmioWrite64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + (mVtdUnitInformation[VtdIndex].ECapReg.Bits.IRO * 16) + R_IOTLB_REG, Reg64);\r |
114 | \r | |
115 | do {\r | |
116 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + (mVtdUnitInformation[VtdIndex].ECapReg.Bits.IRO * 16) + R_IOTLB_REG);\r | |
117 | } while ((Reg64 & B_IOTLB_REG_IVT) != 0);\r | |
118 | \r | |
119 | return EFI_SUCCESS;\r | |
120 | }\r | |
121 | \r | |
122 | /**\r | |
4ad5f597 | 123 | Invalid VTd global IOTLB.\r |
c049fc99 JY |
124 | \r |
125 | @param[in] VtdIndex The index of VTd engine.\r | |
c049fc99 | 126 | \r |
4ad5f597 JY |
127 | @retval EFI_SUCCESS VTd global IOTLB is invalidated.\r |
128 | @retval EFI_DEVICE_ERROR VTd global IOTLB is not invalidated.\r | |
c049fc99 JY |
129 | **/\r |
130 | EFI_STATUS\r | |
4ad5f597 JY |
131 | InvalidateVtdIOTLBGlobal (\r |
132 | IN UINTN VtdIndex\r | |
c049fc99 JY |
133 | )\r |
134 | {\r | |
c049fc99 JY |
135 | if (!mVtdEnabled) {\r |
136 | return EFI_SUCCESS;\r | |
137 | }\r | |
138 | \r | |
4ad5f597 | 139 | DEBUG((DEBUG_VERBOSE, "InvalidateVtdIOTLBGlobal(%d)\n", VtdIndex));\r |
c049fc99 | 140 | \r |
4ad5f597 JY |
141 | //\r |
142 | // Write Buffer Flush before invalidation\r | |
143 | //\r | |
144 | FlushWriteBuffer (VtdIndex);\r | |
c049fc99 | 145 | \r |
4ad5f597 JY |
146 | //\r |
147 | // Invalidate the context cache\r | |
148 | //\r | |
149 | if (mVtdUnitInformation[VtdIndex].HasDirtyContext) {\r | |
150 | InvalidateContextCache (VtdIndex);\r | |
151 | }\r | |
c049fc99 | 152 | \r |
4ad5f597 JY |
153 | //\r |
154 | // Invalidate the IOTLB cache\r | |
155 | //\r | |
156 | if (mVtdUnitInformation[VtdIndex].HasDirtyContext || mVtdUnitInformation[VtdIndex].HasDirtyPages) {\r | |
157 | InvalidateIOTLB (VtdIndex);\r | |
c049fc99 JY |
158 | }\r |
159 | \r | |
160 | return EFI_SUCCESS;\r | |
161 | }\r | |
162 | \r | |
163 | /**\r | |
164 | Prepare VTD configuration.\r | |
165 | **/\r | |
166 | VOID\r | |
167 | PrepareVtdConfig (\r | |
168 | VOID\r | |
169 | )\r | |
170 | {\r | |
171 | UINTN Index;\r | |
172 | UINTN DomainNumber;\r | |
173 | \r | |
174 | for (Index = 0; Index < mVtdUnitNumber; Index++) {\r | |
175 | DEBUG ((DEBUG_INFO, "Dump VTd Capability (%d)\n", Index));\r | |
176 | mVtdUnitInformation[Index].CapReg.Uint64 = MmioRead64 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_CAP_REG);\r | |
177 | DumpVtdCapRegs (&mVtdUnitInformation[Index].CapReg);\r | |
178 | mVtdUnitInformation[Index].ECapReg.Uint64 = MmioRead64 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_ECAP_REG);\r | |
179 | DumpVtdECapRegs (&mVtdUnitInformation[Index].ECapReg);\r | |
180 | \r | |
181 | if ((mVtdUnitInformation[Index].CapReg.Bits.SLLPS & BIT0) == 0) {\r | |
182 | DEBUG((DEBUG_WARN, "!!!! 2MB super page is not supported on VTD %d !!!!\n", Index));\r | |
183 | }\r | |
184 | if ((mVtdUnitInformation[Index].CapReg.Bits.SAGAW & BIT2) == 0) {\r | |
185 | DEBUG((DEBUG_ERROR, "!!!! 4-level page-table is not supported on VTD %d !!!!\n", Index));\r | |
186 | return ;\r | |
187 | }\r | |
188 | \r | |
189 | DomainNumber = (UINTN)1 << (UINT8)((UINTN)mVtdUnitInformation[Index].CapReg.Bits.ND * 2 + 4);\r | |
f77d35c7 JY |
190 | if (mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceDataNumber >= DomainNumber) {\r |
191 | DEBUG((DEBUG_ERROR, "!!!! Pci device Number(0x%x) >= DomainNumber(0x%x) !!!!\n", mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceDataNumber, DomainNumber));\r | |
c049fc99 JY |
192 | return ;\r |
193 | }\r | |
194 | }\r | |
195 | return ;\r | |
196 | }\r | |
197 | \r | |
ffe77707 JY |
198 | /**\r |
199 | Disable PMR in all VTd engine.\r | |
200 | **/\r | |
201 | VOID\r | |
202 | DisablePmr (\r | |
203 | VOID\r | |
204 | )\r | |
205 | {\r | |
206 | UINT32 Reg32;\r | |
207 | VTD_CAP_REG CapReg;\r | |
208 | UINTN Index;\r | |
209 | \r | |
210 | DEBUG ((DEBUG_INFO,"DisablePmr\n"));\r | |
211 | for (Index = 0; Index < mVtdUnitNumber; Index++) {\r | |
212 | CapReg.Uint64 = MmioRead64 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_CAP_REG);\r | |
213 | if (CapReg.Bits.PLMR == 0 || CapReg.Bits.PHMR == 0) {\r | |
214 | continue ;\r | |
215 | }\r | |
216 | \r | |
217 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_PMEN_ENABLE_REG);\r | |
218 | if ((Reg32 & BIT0) != 0) {\r | |
219 | MmioWrite32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_PMEN_ENABLE_REG, 0x0);\r | |
220 | do {\r | |
221 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_PMEN_ENABLE_REG);\r | |
222 | } while((Reg32 & BIT0) != 0);\r | |
223 | DEBUG ((DEBUG_INFO,"Pmr(%d) disabled\n", Index));\r | |
224 | } else {\r | |
225 | DEBUG ((DEBUG_INFO,"Pmr(%d) not enabled\n", Index));\r | |
226 | }\r | |
227 | }\r | |
228 | return ;\r | |
229 | }\r | |
230 | \r | |
c049fc99 JY |
231 | /**\r |
232 | Enable DMAR translation.\r | |
233 | \r | |
234 | @retval EFI_SUCCESS DMAR translation is enabled.\r | |
235 | @retval EFI_DEVICE_ERROR DMAR translation is not enabled.\r | |
236 | **/\r | |
237 | EFI_STATUS\r | |
238 | EnableDmar (\r | |
239 | VOID\r | |
240 | )\r | |
241 | {\r | |
242 | UINTN Index;\r | |
c049fc99 JY |
243 | UINT32 Reg32;\r |
244 | \r | |
c049fc99 JY |
245 | for (Index = 0; Index < mVtdUnitNumber; Index++) {\r |
246 | DEBUG((DEBUG_INFO, ">>>>>>EnableDmar() for engine [%d] \n", Index));\r | |
247 | \r | |
248 | if (mVtdUnitInformation[Index].ExtRootEntryTable != NULL) {\r | |
249 | DEBUG((DEBUG_INFO, "ExtRootEntryTable 0x%x \n", mVtdUnitInformation[Index].ExtRootEntryTable));\r | |
250 | MmioWrite64 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_RTADDR_REG, (UINT64)(UINTN)mVtdUnitInformation[Index].ExtRootEntryTable | BIT11);\r | |
251 | } else {\r | |
252 | DEBUG((DEBUG_INFO, "RootEntryTable 0x%x \n", mVtdUnitInformation[Index].RootEntryTable));\r | |
253 | MmioWrite64 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_RTADDR_REG, (UINT64)(UINTN)mVtdUnitInformation[Index].RootEntryTable);\r | |
254 | }\r | |
255 | \r | |
256 | MmioWrite32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GCMD_REG, B_GMCD_REG_SRTP);\r | |
257 | \r | |
258 | DEBUG((DEBUG_INFO, "EnableDmar: waiting for RTPS bit to be set... \n"));\r | |
259 | do {\r | |
260 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GSTS_REG);\r | |
261 | } while((Reg32 & B_GSTS_REG_RTPS) == 0);\r | |
262 | \r | |
263 | //\r | |
264 | // Init DMAr Fault Event and Data registers\r | |
265 | //\r | |
266 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_FEDATA_REG);\r | |
267 | \r | |
268 | //\r | |
269 | // Write Buffer Flush before invalidation\r | |
270 | //\r | |
4ad5f597 | 271 | FlushWriteBuffer (Index);\r |
c049fc99 JY |
272 | \r |
273 | //\r | |
274 | // Invalidate the context cache\r | |
275 | //\r | |
4ad5f597 | 276 | InvalidateContextCache (Index);\r |
c049fc99 JY |
277 | \r |
278 | //\r | |
279 | // Invalidate the IOTLB cache\r | |
280 | //\r | |
4ad5f597 | 281 | InvalidateIOTLB (Index);\r |
c049fc99 JY |
282 | \r |
283 | //\r | |
284 | // Enable VTd\r | |
285 | //\r | |
286 | MmioWrite32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GCMD_REG, B_GMCD_REG_TE);\r | |
287 | DEBUG((DEBUG_INFO, "EnableDmar: Waiting B_GSTS_REG_TE ...\n"));\r | |
288 | do {\r | |
289 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GSTS_REG);\r | |
290 | } while ((Reg32 & B_GSTS_REG_TE) == 0);\r | |
291 | \r | |
292 | DEBUG ((DEBUG_INFO,"VTD (%d) enabled!<<<<<<\n",Index));\r | |
293 | }\r | |
294 | \r | |
ffe77707 JY |
295 | //\r |
296 | // Need disable PMR, since we already setup translation table.\r | |
297 | //\r | |
298 | DisablePmr ();\r | |
299 | \r | |
c049fc99 JY |
300 | mVtdEnabled = TRUE;\r |
301 | \r | |
302 | return EFI_SUCCESS;\r | |
303 | }\r | |
304 | \r | |
305 | /**\r | |
306 | Disable DMAR translation.\r | |
307 | \r | |
308 | @retval EFI_SUCCESS DMAR translation is disabled.\r | |
309 | @retval EFI_DEVICE_ERROR DMAR translation is not disabled.\r | |
310 | **/\r | |
311 | EFI_STATUS\r | |
312 | DisableDmar (\r | |
313 | VOID\r | |
314 | )\r | |
315 | {\r | |
316 | UINTN Index;\r | |
4ad5f597 | 317 | UINTN SubIndex;\r |
c049fc99 JY |
318 | UINT32 Reg32;\r |
319 | \r | |
c049fc99 JY |
320 | for (Index = 0; Index < mVtdUnitNumber; Index++) {\r |
321 | DEBUG((DEBUG_INFO, ">>>>>>DisableDmar() for engine [%d] \n", Index));\r | |
322 | \r | |
323 | //\r | |
324 | // Write Buffer Flush before invalidation\r | |
325 | //\r | |
4ad5f597 | 326 | FlushWriteBuffer (Index);\r |
c049fc99 JY |
327 | \r |
328 | //\r | |
329 | // Disable VTd\r | |
330 | //\r | |
331 | MmioWrite32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GCMD_REG, B_GMCD_REG_SRTP);\r | |
332 | do {\r | |
333 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GSTS_REG);\r | |
334 | } while((Reg32 & B_GSTS_REG_RTPS) == 0);\r | |
335 | \r | |
336 | Reg32 = MmioRead32 (mVtdUnitInformation[Index].VtdUnitBaseAddress + R_GSTS_REG);\r | |
337 | DEBUG((DEBUG_INFO, "DisableDmar: GSTS_REG - 0x%08x\n", Reg32));\r | |
338 | \r | |
339 | DEBUG ((DEBUG_INFO,"VTD (%d) Disabled!<<<<<<\n",Index));\r | |
340 | }\r | |
341 | \r | |
342 | mVtdEnabled = FALSE;\r | |
343 | \r | |
4ad5f597 JY |
344 | for (Index = 0; Index < mVtdUnitNumber; Index++) {\r |
345 | DEBUG((DEBUG_INFO, "engine [%d] access\n", Index));\r | |
f77d35c7 | 346 | for (SubIndex = 0; SubIndex < mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceDataNumber; SubIndex++) {\r |
4ad5f597 JY |
347 | DEBUG ((DEBUG_INFO, " PCI S%04X B%02x D%02x F%02x - %d\n",\r |
348 | mVtdUnitInformation[Index].Segment,\r | |
f77d35c7 JY |
349 | mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceData[Index].PciSourceId.Bits.Bus,\r |
350 | mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceData[Index].PciSourceId.Bits.Device,\r | |
351 | mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceData[Index].PciSourceId.Bits.Function,\r | |
352 | mVtdUnitInformation[Index].PciDeviceInfo.PciDeviceData[Index].AccessCount\r | |
4ad5f597 JY |
353 | ));\r |
354 | }\r | |
355 | }\r | |
356 | \r | |
c049fc99 JY |
357 | return EFI_SUCCESS;\r |
358 | }\r | |
359 | \r | |
360 | /**\r | |
361 | Dump VTd capability registers.\r | |
362 | \r | |
363 | @param[in] CapReg The capability register.\r | |
364 | **/\r | |
365 | VOID\r | |
366 | DumpVtdCapRegs (\r | |
367 | IN VTD_CAP_REG *CapReg\r | |
368 | )\r | |
369 | {\r | |
370 | DEBUG((DEBUG_INFO, " CapReg:\n", CapReg->Uint64));\r | |
371 | DEBUG((DEBUG_INFO, " ND - 0x%x\n", CapReg->Bits.ND));\r | |
372 | DEBUG((DEBUG_INFO, " AFL - 0x%x\n", CapReg->Bits.AFL));\r | |
373 | DEBUG((DEBUG_INFO, " RWBF - 0x%x\n", CapReg->Bits.RWBF));\r | |
374 | DEBUG((DEBUG_INFO, " PLMR - 0x%x\n", CapReg->Bits.PLMR));\r | |
375 | DEBUG((DEBUG_INFO, " PHMR - 0x%x\n", CapReg->Bits.PHMR));\r | |
376 | DEBUG((DEBUG_INFO, " CM - 0x%x\n", CapReg->Bits.CM));\r | |
377 | DEBUG((DEBUG_INFO, " SAGAW - 0x%x\n", CapReg->Bits.SAGAW));\r | |
378 | DEBUG((DEBUG_INFO, " MGAW - 0x%x\n", CapReg->Bits.MGAW));\r | |
379 | DEBUG((DEBUG_INFO, " ZLR - 0x%x\n", CapReg->Bits.ZLR));\r | |
380 | DEBUG((DEBUG_INFO, " FRO - 0x%x\n", CapReg->Bits.FRO));\r | |
381 | DEBUG((DEBUG_INFO, " SLLPS - 0x%x\n", CapReg->Bits.SLLPS));\r | |
382 | DEBUG((DEBUG_INFO, " PSI - 0x%x\n", CapReg->Bits.PSI));\r | |
383 | DEBUG((DEBUG_INFO, " NFR - 0x%x\n", CapReg->Bits.NFR));\r | |
384 | DEBUG((DEBUG_INFO, " MAMV - 0x%x\n", CapReg->Bits.MAMV));\r | |
385 | DEBUG((DEBUG_INFO, " DWD - 0x%x\n", CapReg->Bits.DWD));\r | |
386 | DEBUG((DEBUG_INFO, " DRD - 0x%x\n", CapReg->Bits.DRD));\r | |
387 | DEBUG((DEBUG_INFO, " FL1GP - 0x%x\n", CapReg->Bits.FL1GP));\r | |
388 | DEBUG((DEBUG_INFO, " PI - 0x%x\n", CapReg->Bits.PI));\r | |
389 | }\r | |
390 | \r | |
391 | /**\r | |
392 | Dump VTd extended capability registers.\r | |
393 | \r | |
394 | @param[in] ECapReg The extended capability register.\r | |
395 | **/\r | |
396 | VOID\r | |
397 | DumpVtdECapRegs (\r | |
398 | IN VTD_ECAP_REG *ECapReg\r | |
399 | )\r | |
400 | {\r | |
401 | DEBUG((DEBUG_INFO, " ECapReg:\n", ECapReg->Uint64));\r | |
402 | DEBUG((DEBUG_INFO, " C - 0x%x\n", ECapReg->Bits.C));\r | |
403 | DEBUG((DEBUG_INFO, " QI - 0x%x\n", ECapReg->Bits.QI));\r | |
404 | DEBUG((DEBUG_INFO, " DT - 0x%x\n", ECapReg->Bits.DT));\r | |
405 | DEBUG((DEBUG_INFO, " IR - 0x%x\n", ECapReg->Bits.IR));\r | |
406 | DEBUG((DEBUG_INFO, " EIM - 0x%x\n", ECapReg->Bits.EIM));\r | |
407 | DEBUG((DEBUG_INFO, " PT - 0x%x\n", ECapReg->Bits.PT));\r | |
408 | DEBUG((DEBUG_INFO, " SC - 0x%x\n", ECapReg->Bits.SC));\r | |
409 | DEBUG((DEBUG_INFO, " IRO - 0x%x\n", ECapReg->Bits.IRO));\r | |
410 | DEBUG((DEBUG_INFO, " MHMV - 0x%x\n", ECapReg->Bits.MHMV));\r | |
411 | DEBUG((DEBUG_INFO, " ECS - 0x%x\n", ECapReg->Bits.ECS));\r | |
412 | DEBUG((DEBUG_INFO, " MTS - 0x%x\n", ECapReg->Bits.MTS));\r | |
413 | DEBUG((DEBUG_INFO, " NEST - 0x%x\n", ECapReg->Bits.NEST));\r | |
414 | DEBUG((DEBUG_INFO, " DIS - 0x%x\n", ECapReg->Bits.DIS));\r | |
415 | DEBUG((DEBUG_INFO, " PASID - 0x%x\n", ECapReg->Bits.PASID));\r | |
416 | DEBUG((DEBUG_INFO, " PRS - 0x%x\n", ECapReg->Bits.PRS));\r | |
417 | DEBUG((DEBUG_INFO, " ERS - 0x%x\n", ECapReg->Bits.ERS));\r | |
418 | DEBUG((DEBUG_INFO, " SRS - 0x%x\n", ECapReg->Bits.SRS));\r | |
419 | DEBUG((DEBUG_INFO, " NWFS - 0x%x\n", ECapReg->Bits.NWFS));\r | |
420 | DEBUG((DEBUG_INFO, " EAFS - 0x%x\n", ECapReg->Bits.EAFS));\r | |
421 | DEBUG((DEBUG_INFO, " PSS - 0x%x\n", ECapReg->Bits.PSS));\r | |
422 | }\r | |
423 | \r | |
424 | /**\r | |
425 | Dump VTd registers.\r | |
426 | \r | |
427 | @param[in] VtdIndex The index of VTd engine.\r | |
428 | **/\r | |
429 | VOID\r | |
430 | DumpVtdRegs (\r | |
431 | IN UINTN VtdIndex\r | |
432 | )\r | |
433 | {\r | |
434 | UINTN Index;\r | |
435 | UINT64 Reg64;\r | |
436 | VTD_FRCD_REG FrcdReg;\r | |
437 | VTD_CAP_REG CapReg;\r | |
438 | UINT32 Reg32;\r | |
439 | VTD_SOURCE_ID SourceId;\r | |
440 | \r | |
441 | DEBUG((DEBUG_INFO, "#### DumpVtdRegs(%d) Begin ####\n", VtdIndex));\r | |
442 | \r | |
443 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_VER_REG);\r | |
444 | DEBUG((DEBUG_INFO, " VER_REG - 0x%08x\n", Reg32));\r | |
445 | \r | |
446 | CapReg.Uint64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_CAP_REG);\r | |
447 | DEBUG((DEBUG_INFO, " CAP_REG - 0x%016lx\n", CapReg.Uint64));\r | |
448 | \r | |
449 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_ECAP_REG);\r | |
450 | DEBUG((DEBUG_INFO, " ECAP_REG - 0x%016lx\n", Reg64));\r | |
451 | \r | |
452 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_GSTS_REG);\r | |
453 | DEBUG((DEBUG_INFO, " GSTS_REG - 0x%08x \n", Reg32));\r | |
454 | \r | |
455 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_RTADDR_REG);\r | |
456 | DEBUG((DEBUG_INFO, " RTADDR_REG - 0x%016lx\n", Reg64));\r | |
457 | \r | |
458 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_CCMD_REG);\r | |
459 | DEBUG((DEBUG_INFO, " CCMD_REG - 0x%016lx\n", Reg64));\r | |
460 | \r | |
461 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_FSTS_REG);\r | |
462 | DEBUG((DEBUG_INFO, " FSTS_REG - 0x%08x\n", Reg32));\r | |
463 | \r | |
464 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_FECTL_REG);\r | |
465 | DEBUG((DEBUG_INFO, " FECTL_REG - 0x%08x\n", Reg32));\r | |
466 | \r | |
467 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_FEDATA_REG);\r | |
468 | DEBUG((DEBUG_INFO, " FEDATA_REG - 0x%08x\n", Reg32));\r | |
469 | \r | |
470 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_FEADDR_REG);\r | |
471 | DEBUG((DEBUG_INFO, " FEADDR_REG - 0x%08x\n",Reg32));\r | |
472 | \r | |
473 | Reg32 = MmioRead32 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + R_FEUADDR_REG);\r | |
474 | DEBUG((DEBUG_INFO, " FEUADDR_REG - 0x%08x\n",Reg32));\r | |
475 | \r | |
476 | for (Index = 0; Index < (UINTN)CapReg.Bits.NFR + 1; Index++) {\r | |
477 | FrcdReg.Uint64[0] = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + ((CapReg.Bits.FRO * 16) + (Index * 16) + R_FRCD_REG));\r | |
478 | FrcdReg.Uint64[1] = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + ((CapReg.Bits.FRO * 16) + (Index * 16) + R_FRCD_REG + sizeof(UINT64)));\r | |
479 | DEBUG((DEBUG_INFO, " FRCD_REG[%d] - 0x%016lx %016lx\n", Index, FrcdReg.Uint64[1], FrcdReg.Uint64[0]));\r | |
480 | if (FrcdReg.Uint64[1] != 0 || FrcdReg.Uint64[0] != 0) {\r | |
76c6f69c | 481 | DEBUG((DEBUG_INFO, " Fault Info - 0x%016lx\n", VTD_64BITS_ADDRESS(FrcdReg.Bits.FILo, FrcdReg.Bits.FIHi)));\r |
c049fc99 JY |
482 | SourceId.Uint16 = (UINT16)FrcdReg.Bits.SID;\r |
483 | DEBUG((DEBUG_INFO, " Source - B%02x D%02x F%02x\n", SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function));\r | |
484 | DEBUG((DEBUG_INFO, " Type - %x (%a)\n", FrcdReg.Bits.T, FrcdReg.Bits.T ? "read" : "write"));\r | |
485 | DEBUG((DEBUG_INFO, " Reason - %x\n", FrcdReg.Bits.FR));\r | |
486 | }\r | |
487 | }\r | |
488 | \r | |
489 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + (mVtdUnitInformation[VtdIndex].ECapReg.Bits.IRO * 16) + R_IVA_REG);\r | |
490 | DEBUG((DEBUG_INFO, " IVA_REG - 0x%016lx\n",Reg64));\r | |
491 | \r | |
492 | Reg64 = MmioRead64 (mVtdUnitInformation[VtdIndex].VtdUnitBaseAddress + (mVtdUnitInformation[VtdIndex].ECapReg.Bits.IRO * 16) + R_IOTLB_REG);\r | |
493 | DEBUG((DEBUG_INFO, " IOTLB_REG - 0x%016lx\n",Reg64));\r | |
494 | \r | |
495 | DEBUG((DEBUG_INFO, "#### DumpVtdRegs(%d) End ####\n", VtdIndex));\r | |
496 | }\r | |
497 | \r | |
498 | /**\r | |
499 | Dump VTd registers for all VTd engine.\r | |
500 | **/\r | |
501 | VOID\r | |
502 | DumpVtdRegsAll (\r | |
503 | VOID\r | |
504 | )\r | |
505 | {\r | |
506 | UINTN Num;\r | |
507 | \r | |
508 | for (Num = 0; Num < mVtdUnitNumber; Num++) {\r | |
509 | DumpVtdRegs (Num);\r | |
510 | }\r | |
511 | }\r | |
512 | \r | |
513 | /**\r | |
514 | Dump VTd registers if there is error.\r | |
515 | **/\r | |
516 | VOID\r | |
517 | DumpVtdIfError (\r | |
518 | VOID\r | |
519 | )\r | |
520 | {\r | |
521 | UINTN Num;\r | |
522 | UINTN Index;\r | |
523 | VTD_FRCD_REG FrcdReg;\r | |
524 | VTD_CAP_REG CapReg;\r | |
525 | UINT32 Reg32;\r | |
526 | BOOLEAN HasError;\r | |
527 | \r | |
528 | for (Num = 0; Num < mVtdUnitNumber; Num++) {\r | |
529 | HasError = FALSE;\r | |
530 | Reg32 = MmioRead32 (mVtdUnitInformation[Num].VtdUnitBaseAddress + R_FSTS_REG);\r | |
531 | if (Reg32 != 0) {\r | |
532 | HasError = TRUE;\r | |
533 | }\r | |
534 | Reg32 = MmioRead32 (mVtdUnitInformation[Num].VtdUnitBaseAddress + R_FECTL_REG);\r | |
535 | if ((Reg32 & BIT30) != 0) {\r | |
536 | HasError = TRUE;\r | |
537 | }\r | |
538 | \r | |
539 | CapReg.Uint64 = MmioRead64 (mVtdUnitInformation[Num].VtdUnitBaseAddress + R_CAP_REG);\r | |
540 | for (Index = 0; Index < (UINTN)CapReg.Bits.NFR + 1; Index++) {\r | |
541 | FrcdReg.Uint64[0] = MmioRead64 (mVtdUnitInformation[Num].VtdUnitBaseAddress + ((CapReg.Bits.FRO * 16) + (Index * 16) + R_FRCD_REG));\r | |
542 | FrcdReg.Uint64[1] = MmioRead64 (mVtdUnitInformation[Num].VtdUnitBaseAddress + ((CapReg.Bits.FRO * 16) + (Index * 16) + R_FRCD_REG + sizeof(UINT64)));\r | |
ffe77707 | 543 | if (FrcdReg.Bits.F != 0) {\r |
c049fc99 JY |
544 | HasError = TRUE;\r |
545 | }\r | |
546 | }\r | |
547 | \r | |
548 | if (HasError) {\r | |
4d150848 | 549 | DEBUG((DEBUG_INFO, "\n#### ERROR ####\n"));\r |
c049fc99 | 550 | DumpVtdRegs (Num);\r |
4d150848 | 551 | DEBUG((DEBUG_INFO, "#### ERROR ####\n\n"));\r |
ffe77707 JY |
552 | //\r |
553 | // Clear\r | |
554 | //\r | |
555 | for (Index = 0; Index < (UINTN)CapReg.Bits.NFR + 1; Index++) {\r | |
556 | FrcdReg.Uint64[1] = MmioRead64 (mVtdUnitInformation[Num].VtdUnitBaseAddress + ((CapReg.Bits.FRO * 16) + (Index * 16) + R_FRCD_REG + sizeof(UINT64)));\r | |
557 | if (FrcdReg.Bits.F != 0) {\r | |
558 | FrcdReg.Bits.F = 0;\r | |
559 | MmioWrite64 (mVtdUnitInformation[Num].VtdUnitBaseAddress + ((CapReg.Bits.FRO * 16) + (Index * 16) + R_FRCD_REG + sizeof(UINT64)), FrcdReg.Uint64[1]);\r | |
560 | }\r | |
561 | MmioWrite32 (mVtdUnitInformation[Num].VtdUnitBaseAddress + R_FSTS_REG, MmioRead32 (mVtdUnitInformation[Num].VtdUnitBaseAddress + R_FSTS_REG));\r | |
562 | }\r | |
c049fc99 JY |
563 | }\r |
564 | }\r | |
565 | }\r |