Intel B940 Datasheet download pdf (Page 8)

8 Datasheet, Volume 2

2.16.6 RTADDR_REG—Root-Entry Table Address Register .................................231

2.16.7 CCMD_REG—Context Command Register ..............................................232

2.16.8 FSTS_REG—Fault Status Register ........................................................234

2.16.9 FECTL_REG—Fault Event Control Register.............................................235

2.16.10 FEDATA_REG—Fault Event Data Register ..............................................236

2.16.11 FEADDR_REG—Fault Event Address Register .........................................236

2.16.12 FEUADDR_REG—Fault Event Upper Address Register..............................237

2.16.13 AFLOG_REG—Advanced Fault Log Register............................................237

2.16.14 PMEN_REG—Protected Memory Enable Register.....................................238

2.16.15 PLMBASE_REG—Protected Low-Memory Base Register............................239

2.16.16 PLMLIMIT_REG—Protected Low-Memory Limit Register ...........................240

2.16.17 PHMBASE_REG—Protected High-Memory Base Register ..........................241

2.16.18 PHMLIMIT_REG—Protected High-Memory Limit Register..........................242

2.16.19 IQH_REG—Invalidation Queue Head Register.........................................243

2.16.20 IQT_REG—Invalidation Queue Tail Register...........................................243

2.16.21 IQA_REG—Invalidation Queue Address Register.....................................244

2.16.22 ICS_REG—Invalidation Completion Status Register ................................244

2.16.23 IECTL_REG—Invalidation Event Control Register....................................245

2.16.24 IEDATA_REG—Invalidation Event Data Register .....................................246

2.16.25 IEADDR_REG—Invalidation Event Address Register ................................246

2.16.26 IEUADDR_REG—Invalidation Event Upper Address Register.....................247

2.16.27 IRTA_REG—Interrupt Remapping Table Address Register ........................247

2.16.28 IVA_REG—Invalidate Address Register..................................................248

2.16.29 IOTLB_REG—IOTLB Invalidate Register.................................................249

2.16.30 FRCD_REG—Fault Recording Registers..................................................251

2.16.31 VTPOLICY—DMA Remap Engine Policy Control .......................................252

2.17 Graphics Control Registers................................................................................253

2.17.1 MGGC—Graphics Control Register ........................................................253

2.17.2 GFXPLL1—GFX PLL BIOS.....................................................................254

2.18 GFXVTBAR Registers ........................................................................................255

2.18.1 VER_REG—Version Register ................................................................256

2.18.2 CAP_REG—Capability Register .............................................................257

2.18.3 ECAP_REG—Extended Capability Register .............................................260

2.18.4 GCMD_REG—Global Command Register................................................261

2.18.5 GSTS_REG—Global Status Register......................................................264

2.18.6 RTADDR_REG—Root-Entry Table Address Register .................................266

2.18.7 CCMD_REG—Context Command Register ..............................................266

2.18.8 FSTS_REG—Fault Status Register ........................................................268

2.18.9 FECTL_REG—Fault Event Control Register.............................................270

2.18.10 FEDATA_REG—Fault Event Data Register ..............................................271

2.18.11 FEADDR_REG—Fault Event Address Register .........................................271

2.18.12 FEUADDR_REG—Fault Event Upper Address Register..............................271

2.18.13 AFLOG_REG—Advanced Fault Log Register............................................272

2.18.14 PMEN_REG—Protected Memory Enable Register.....................................273

2.18.15 PLMBASE_REG—Protected Low Memory Base Register ............................274

2.18.16 PLMLIMIT_REG—Protected Low Memory Limit Register ...........................275

2.18.17 PHMBASE_REG—Protected High Memory Base Register...........................276

2.18.18 PHMLIMIT_REG—Protected High Memory Limit Register ..........................277

2.18.19 IQH_REG—Invalidation Queue Head Register.........................................278

2.18.20 IQT_REG—Invalidation Queue Tail Register...........................................278

2.18.21 IQA_REG—Invalidation Queue Address Register.....................................279

2.18.22 ICS_REG—Invalidation Completion Status Register ................................279

2.18.23 IECTL_REG—Invalidation Completion Event Control Register ...................280

2.18.24 IEDATA_REG—Invalidation Completion Event Data Register.....................281

2.18.25 IEUADDR_REG—Invalidation Completion Event Upper Address Register ....281

2.18.26 IRTA_REG—Interrupt Remapping Table Address Register ........................282

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Intel B940 Datasheet Page 8

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