intel_reg.h revision 306466
1/*- 2 * Copyright (c) 2013-2015 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 6 * under sponsorship from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: stable/10/sys/x86/iommu/intel_reg.h 306466 2016-09-30 00:31:17Z jhb $ 30 */ 31 32#ifndef __X86_IOMMU_INTEL_REG_H 33#define __X86_IOMMU_INTEL_REG_H 34 35#define DMAR_PAGE_SIZE PAGE_SIZE 36#define DMAR_PAGE_MASK (DMAR_PAGE_SIZE - 1) 37#define DMAR_PAGE_SHIFT PAGE_SHIFT 38#define DMAR_NPTEPG (DMAR_PAGE_SIZE / sizeof(dmar_pte_t)) 39#define DMAR_NPTEPGSHIFT 9 40#define DMAR_PTEMASK (DMAR_NPTEPG - 1) 41 42typedef struct dmar_root_entry { 43 uint64_t r1; 44 uint64_t r2; 45} dmar_root_entry_t; 46#define DMAR_ROOT_R1_P 1 /* Present */ 47#define DMAR_ROOT_R1_CTP_MASK 0xfffffffffffff000 /* Mask for Context-Entry 48 Table Pointer */ 49 50#define DMAR_CTX_CNT (DMAR_PAGE_SIZE / sizeof(dmar_root_entry_t)) 51 52typedef struct dmar_ctx_entry { 53 uint64_t ctx1; 54 uint64_t ctx2; 55} dmar_ctx_entry_t; 56#define DMAR_CTX1_P 1 /* Present */ 57#define DMAR_CTX1_FPD 2 /* Fault Processing Disable */ 58 /* Translation Type: */ 59#define DMAR_CTX1_T_UNTR 0 /* only Untranslated */ 60#define DMAR_CTX1_T_TR 4 /* both Untranslated 61 and Translated */ 62#define DMAR_CTX1_T_PASS 8 /* Pass-Through */ 63#define DMAR_CTX1_ASR_MASK 0xfffffffffffff000 /* Mask for the Address 64 Space Root */ 65#define DMAR_CTX2_AW_2LVL 0 /* 2-level page tables */ 66#define DMAR_CTX2_AW_3LVL 1 /* 3-level page tables */ 67#define DMAR_CTX2_AW_4LVL 2 /* 4-level page tables */ 68#define DMAR_CTX2_AW_5LVL 3 /* 5-level page tables */ 69#define DMAR_CTX2_AW_6LVL 4 /* 6-level page tables */ 70#define DMAR_CTX2_DID_MASK 0xffff0 71#define DMAR_CTX2_DID(x) ((x) << 8) /* Domain Identifier */ 72#define DMAR_CTX2_GET_DID(ctx2) (((ctx2) & DMAR_CTX2_DID_MASK) >> 8) 73 74typedef struct dmar_pte { 75 uint64_t pte; 76} dmar_pte_t; 77#define DMAR_PTE_R 1 /* Read */ 78#define DMAR_PTE_W (1 << 1) /* Write */ 79#define DMAR_PTE_SP (1 << 7) /* Super Page */ 80#define DMAR_PTE_SNP (1 << 11) /* Snoop Behaviour */ 81#define DMAR_PTE_ADDR_MASK 0xffffffffff000 /* Address Mask */ 82#define DMAR_PTE_TM (1ULL << 62) /* Transient Mapping */ 83 84typedef struct dmar_irte { 85 uint64_t irte1; 86 uint64_t irte2; 87} dmar_irte_t; 88/* Source Validation Type */ 89#define DMAR_IRTE2_SVT_NONE (0ULL << (82 - 64)) 90#define DMAR_IRTE2_SVT_RID (1ULL << (82 - 64)) 91#define DMAR_IRTE2_SVT_BUS (2ULL << (82 - 64)) 92/* Source-id Qualifier */ 93#define DMAR_IRTE2_SQ_RID (0ULL << (80 - 64)) 94#define DMAR_IRTE2_SQ_RID_N2 (1ULL << (80 - 64)) 95#define DMAR_IRTE2_SQ_RID_N21 (2ULL << (80 - 64)) 96#define DMAR_IRTE2_SQ_RID_N210 (3ULL << (80 - 64)) 97/* Source Identifier */ 98#define DMAR_IRTE2_SID_RID(x) ((uint64_t)(x)) 99#define DMAR_IRTE2_SID_BUS(start, end) ((((uint64_t)(start)) << 8) | (end)) 100/* Destination Id */ 101#define DMAR_IRTE1_DST_xAPIC(x) (((uint64_t)(x)) << 40) 102#define DMAR_IRTE1_DST_x2APIC(x) (((uint64_t)(x)) << 32) 103/* Vector */ 104#define DMAR_IRTE1_V(x) (((uint64_t)x) << 16) 105#define DMAR_IRTE1_IM_POSTED (1ULL << 15) /* Posted */ 106/* Delivery Mode */ 107#define DMAR_IRTE1_DLM_FM (0ULL << 5) 108#define DMAR_IRTE1_DLM_LP (1ULL << 5) 109#define DMAR_IRTE1_DLM_SMI (2ULL << 5) 110#define DMAR_IRTE1_DLM_NMI (4ULL << 5) 111#define DMAR_IRTE1_DLM_INIT (5ULL << 5) 112#define DMAR_IRTE1_DLM_ExtINT (7ULL << 5) 113/* Trigger Mode */ 114#define DMAR_IRTE1_TM_EDGE (0ULL << 4) 115#define DMAR_IRTE1_TM_LEVEL (1ULL << 4) 116/* Redirection Hint */ 117#define DMAR_IRTE1_RH_DIRECT (0ULL << 3) 118#define DMAR_IRTE1_RH_SELECT (1ULL << 3) 119/* Destination Mode */ 120#define DMAR_IRTE1_DM_PHYSICAL (0ULL << 2) 121#define DMAR_IRTE1_DM_LOGICAL (1ULL << 2) 122#define DMAR_IRTE1_FPD (1ULL << 1) /* Fault Processing Disable */ 123#define DMAR_IRTE1_P (1ULL) /* Present */ 124 125/* Version register */ 126#define DMAR_VER_REG 0 127#define DMAR_MAJOR_VER(x) (((x) >> 4) & 0xf) 128#define DMAR_MINOR_VER(x) ((x) & 0xf) 129 130/* Capabilities register */ 131#define DMAR_CAP_REG 0x8 132#define DMAR_CAP_PI (1ULL << 59) /* Posted Interrupts */ 133#define DMAR_CAP_FL1GP (1ULL << 56) /* First Level 1GByte Page */ 134#define DMAR_CAP_DRD (1ULL << 55) /* DMA Read Draining */ 135#define DMAR_CAP_DWD (1ULL << 54) /* DMA Write Draining */ 136#define DMAR_CAP_MAMV(x) ((u_int)(((x) >> 48) & 0x3f)) 137 /* Maximum Address Mask */ 138#define DMAR_CAP_NFR(x) ((u_int)(((x) >> 40) & 0xff) + 1) 139 /* Num of Fault-recording regs */ 140#define DMAR_CAP_PSI (1ULL << 39) /* Page Selective Invalidation */ 141#define DMAR_CAP_SPS(x) ((u_int)(((x) >> 34) & 0xf)) /* Super-Page Support */ 142#define DMAR_CAP_SPS_2M 0x1 143#define DMAR_CAP_SPS_1G 0x2 144#define DMAR_CAP_SPS_512G 0x4 145#define DMAR_CAP_SPS_1T 0x8 146#define DMAR_CAP_FRO(x) ((u_int)(((x) >> 24) & 0x1ff)) 147 /* Fault-recording reg offset */ 148#define DMAR_CAP_ISOCH (1 << 23) /* Isochrony */ 149#define DMAR_CAP_ZLR (1 << 22) /* Zero-length reads */ 150#define DMAR_CAP_MGAW(x) ((u_int)(((x) >> 16) & 0x3f)) 151 /* Max Guest Address Width */ 152#define DMAR_CAP_SAGAW(x) ((u_int)(((x) >> 8) & 0x1f)) 153 /* Adjusted Guest Address Width */ 154#define DMAR_CAP_SAGAW_2LVL 0x01 155#define DMAR_CAP_SAGAW_3LVL 0x02 156#define DMAR_CAP_SAGAW_4LVL 0x04 157#define DMAR_CAP_SAGAW_5LVL 0x08 158#define DMAR_CAP_SAGAW_6LVL 0x10 159#define DMAR_CAP_CM (1 << 7) /* Caching mode */ 160#define DMAR_CAP_PHMR (1 << 6) /* Protected High-mem Region */ 161#define DMAR_CAP_PLMR (1 << 5) /* Protected Low-mem Region */ 162#define DMAR_CAP_RWBF (1 << 4) /* Required Write-Buffer Flushing */ 163#define DMAR_CAP_AFL (1 << 3) /* Advanced Fault Logging */ 164#define DMAR_CAP_ND(x) ((u_int)((x) & 0x3)) /* Number of domains */ 165 166/* Extended Capabilities register */ 167#define DMAR_ECAP_REG 0x10 168#define DMAR_ECAP_PSS(x) (((x) >> 35) & 0xf) /* PASID Size Supported */ 169#define DMAR_ECAP_EAFS (1ULL << 34) /* Extended Accessed Flag */ 170#define DMAR_ECAP_NWFS (1ULL << 33) /* No Write Flag */ 171#define DMAR_ECAP_SRS (1ULL << 31) /* Supervisor Request */ 172#define DMAR_ECAP_ERS (1ULL << 30) /* Execute Request */ 173#define DMAR_ECAP_PRS (1ULL << 29) /* Page Request */ 174#define DMAR_ECAP_PASID (1ULL << 28) /* Process Address Space Id */ 175#define DMAR_ECAP_DIS (1ULL << 27) /* Deferred Invalidate */ 176#define DMAR_ECAP_NEST (1ULL << 26) /* Nested Translation */ 177#define DMAR_ECAP_MTS (1ULL << 25) /* Memory Type */ 178#define DMAR_ECAP_ECS (1ULL << 24) /* Extended Context */ 179#define DMAR_ECAP_MHMV(x) ((u_int)(((x) >> 20) & 0xf)) 180 /* Maximum Handle Mask Value */ 181#define DMAR_ECAP_IRO(x) ((u_int)(((x) >> 8) & 0x3ff)) 182 /* IOTLB Register Offset */ 183#define DMAR_ECAP_SC (1 << 7) /* Snoop Control */ 184#define DMAR_ECAP_PT (1 << 6) /* Pass Through */ 185#define DMAR_ECAP_EIM (1 << 4) /* Extended Interrupt Mode (x2APIC) */ 186#define DMAR_ECAP_IR (1 << 3) /* Interrupt Remapping */ 187#define DMAR_ECAP_DI (1 << 2) /* Device IOTLB */ 188#define DMAR_ECAP_QI (1 << 1) /* Queued Invalidation */ 189#define DMAR_ECAP_C (1 << 0) /* Coherency */ 190 191/* Global Command register */ 192#define DMAR_GCMD_REG 0x18 193#define DMAR_GCMD_TE (1U << 31) /* Translation Enable */ 194#define DMAR_GCMD_SRTP (1 << 30) /* Set Root Table Pointer */ 195#define DMAR_GCMD_SFL (1 << 29) /* Set Fault Log */ 196#define DMAR_GCMD_EAFL (1 << 28) /* Enable Advanced Fault Logging */ 197#define DMAR_GCMD_WBF (1 << 27) /* Write Buffer Flush */ 198#define DMAR_GCMD_QIE (1 << 26) /* Queued Invalidation Enable */ 199#define DMAR_GCMD_IRE (1 << 25) /* Interrupt Remapping Enable */ 200#define DMAR_GCMD_SIRTP (1 << 24) /* Set Interrupt Remap Table Pointer */ 201#define DMAR_GCMD_CFI (1 << 23) /* Compatibility Format Interrupt */ 202 203/* Global Status register */ 204#define DMAR_GSTS_REG 0x1c 205#define DMAR_GSTS_TES (1U << 31) /* Translation Enable Status */ 206#define DMAR_GSTS_RTPS (1 << 30) /* Root Table Pointer Status */ 207#define DMAR_GSTS_FLS (1 << 29) /* Fault Log Status */ 208#define DMAR_GSTS_AFLS (1 << 28) /* Advanced Fault Logging Status */ 209#define DMAR_GSTS_WBFS (1 << 27) /* Write Buffer Flush Status */ 210#define DMAR_GSTS_QIES (1 << 26) /* Queued Invalidation Enable Status */ 211#define DMAR_GSTS_IRES (1 << 25) /* Interrupt Remapping Enable Status */ 212#define DMAR_GSTS_IRTPS (1 << 24) /* Interrupt Remapping Table 213 Pointer Status */ 214#define DMAR_GSTS_CFIS (1 << 23) /* Compatibility Format 215 Interrupt Status */ 216 217/* Root-Entry Table Address register */ 218#define DMAR_RTADDR_REG 0x20 219#define DMAR_RTADDR_RTT (1 << 11) /* Root Table Type */ 220#define DMAR_RTADDR_RTA_MASK 0xfffffffffffff000 221 222/* Context Command register */ 223#define DMAR_CCMD_REG 0x28 224#define DMAR_CCMD_ICC (1ULL << 63) /* Invalidate Context-Cache */ 225#define DMAR_CCMD_ICC32 (1U << 31) 226#define DMAR_CCMD_CIRG_MASK (0x3ULL << 61) /* Context Invalidation 227 Request Granularity */ 228#define DMAR_CCMD_CIRG_GLOB (0x1ULL << 61) /* Global */ 229#define DMAR_CCMD_CIRG_DOM (0x2ULL << 61) /* Domain */ 230#define DMAR_CCMD_CIRG_DEV (0x3ULL << 61) /* Device */ 231#define DMAR_CCMD_CAIG(x) (((x) >> 59) & 0x3) /* Context Actual 232 Invalidation Granularity */ 233#define DMAR_CCMD_CAIG_GLOB 0x1 /* Global */ 234#define DMAR_CCMD_CAIG_DOM 0x2 /* Domain */ 235#define DMAR_CCMD_CAIG_DEV 0x3 /* Device */ 236#define DMAR_CCMD_FM (0x3UUL << 32) /* Function Mask */ 237#define DMAR_CCMD_SID(x) (((x) & 0xffff) << 16) /* Source-ID */ 238#define DMAR_CCMD_DID(x) ((x) & 0xffff) /* Domain-ID */ 239 240/* Invalidate Address register */ 241#define DMAR_IVA_REG_OFF 0 242#define DMAR_IVA_IH (1 << 6) /* Invalidation Hint */ 243#define DMAR_IVA_AM(x) ((x) & 0x1f) /* Address Mask */ 244#define DMAR_IVA_ADDR(x) ((x) & ~0xfffULL) /* Address */ 245 246/* IOTLB Invalidate register */ 247#define DMAR_IOTLB_REG_OFF 0x8 248#define DMAR_IOTLB_IVT (1ULL << 63) /* Invalidate IOTLB */ 249#define DMAR_IOTLB_IVT32 (1U << 31) 250#define DMAR_IOTLB_IIRG_MASK (0x3ULL << 60) /* Invalidation Request 251 Granularity */ 252#define DMAR_IOTLB_IIRG_GLB (0x1ULL << 60) /* Global */ 253#define DMAR_IOTLB_IIRG_DOM (0x2ULL << 60) /* Domain-selective */ 254#define DMAR_IOTLB_IIRG_PAGE (0x3ULL << 60) /* Page-selective */ 255#define DMAR_IOTLB_IAIG_MASK (0x3ULL << 57) /* Actual Invalidation 256 Granularity */ 257#define DMAR_IOTLB_IAIG_INVLD 0 /* Hw detected error */ 258#define DMAR_IOTLB_IAIG_GLB (0x1ULL << 57) /* Global */ 259#define DMAR_IOTLB_IAIG_DOM (0x2ULL << 57) /* Domain-selective */ 260#define DMAR_IOTLB_IAIG_PAGE (0x3ULL << 57) /* Page-selective */ 261#define DMAR_IOTLB_DR (0x1ULL << 49) /* Drain Reads */ 262#define DMAR_IOTLB_DW (0x1ULL << 48) /* Drain Writes */ 263#define DMAR_IOTLB_DID(x) (((uint64_t)(x) & 0xffff) << 32) /* Domain Id */ 264 265/* Fault Status register */ 266#define DMAR_FSTS_REG 0x34 267#define DMAR_FSTS_FRI(x) (((x) >> 8) & 0xff) /* Fault Record Index */ 268#define DMAR_FSTS_ITE (1 << 6) /* Invalidation Time-out */ 269#define DMAR_FSTS_ICE (1 << 5) /* Invalidation Completion */ 270#define DMAR_FSTS_IQE (1 << 4) /* Invalidation Queue */ 271#define DMAR_FSTS_APF (1 << 3) /* Advanced Pending Fault */ 272#define DMAR_FSTS_AFO (1 << 2) /* Advanced Fault Overflow */ 273#define DMAR_FSTS_PPF (1 << 1) /* Primary Pending Fault */ 274#define DMAR_FSTS_PFO 1 /* Fault Overflow */ 275 276/* Fault Event Control register */ 277#define DMAR_FECTL_REG 0x38 278#define DMAR_FECTL_IM (1U << 31) /* Interrupt Mask */ 279#define DMAR_FECTL_IP (1 << 30) /* Interrupt Pending */ 280 281/* Fault Event Data register */ 282#define DMAR_FEDATA_REG 0x3c 283 284/* Fault Event Address register */ 285#define DMAR_FEADDR_REG 0x40 286 287/* Fault Event Upper Address register */ 288#define DMAR_FEUADDR_REG 0x44 289 290/* Advanced Fault Log register */ 291#define DMAR_AFLOG_REG 0x58 292 293/* Fault Recording Register, also usable for Advanced Fault Log records */ 294#define DMAR_FRCD2_F (1ULL << 63) /* Fault */ 295#define DMAR_FRCD2_F32 (1U << 31) 296#define DMAR_FRCD2_T(x) ((int)((x >> 62) & 1)) /* Type */ 297#define DMAR_FRCD2_T_W 0 /* Write request */ 298#define DMAR_FRCD2_T_R 1 /* Read or AtomicOp */ 299#define DMAR_FRCD2_AT(x) ((int)((x >> 60) & 0x3)) /* Address Type */ 300#define DMAR_FRCD2_FR(x) ((int)((x >> 32) & 0xff)) /* Fault Reason */ 301#define DMAR_FRCD2_SID(x) ((int)(x & 0xffff)) /* Source Identifier */ 302#define DMAR_FRCS1_FI_MASK 0xffffffffff000 /* Fault Info, Address Mask */ 303 304/* Protected Memory Enable register */ 305#define DMAR_PMEN_REG 0x64 306#define DMAR_PMEN_EPM (1U << 31) /* Enable Protected Memory */ 307#define DMAR_PMEN_PRS 1 /* Protected Region Status */ 308 309/* Protected Low-Memory Base register */ 310#define DMAR_PLMBASE_REG 0x68 311 312/* Protected Low-Memory Limit register */ 313#define DMAR_PLMLIMIT_REG 0x6c 314 315/* Protected High-Memory Base register */ 316#define DMAR_PHMBASE_REG 0x70 317 318/* Protected High-Memory Limit register */ 319#define DMAR_PHMLIMIT_REG 0x78 320 321/* Queued Invalidation Descriptors */ 322#define DMAR_IQ_DESCR_SZ_SHIFT 4 /* Shift for descriptor count 323 to ring offset */ 324#define DMAR_IQ_DESCR_SZ (1 << DMAR_IQ_DESCR_SZ_SHIFT) 325 /* Descriptor size */ 326 327/* Context-cache Invalidate Descriptor */ 328#define DMAR_IQ_DESCR_CTX_INV 0x1 329#define DMAR_IQ_DESCR_CTX_GLOB (0x1 << 4) /* Granularity: Global */ 330#define DMAR_IQ_DESCR_CTX_DOM (0x2 << 4) /* Granularity: Domain */ 331#define DMAR_IQ_DESCR_CTX_DEV (0x3 << 4) /* Granularity: Device */ 332#define DMAR_IQ_DESCR_CTX_DID(x) (((uint32_t)(x)) << 16) /* Domain Id */ 333#define DMAR_IQ_DESCR_CTX_SRC(x) (((uint64_t)(x)) << 32) /* Source Id */ 334#define DMAR_IQ_DESCR_CTX_FM(x) (((uint64_t)(x)) << 48) /* Function Mask */ 335 336/* IOTLB Invalidate Descriptor */ 337#define DMAR_IQ_DESCR_IOTLB_INV 0x2 338#define DMAR_IQ_DESCR_IOTLB_GLOB (0x1 << 4) /* Granularity: Global */ 339#define DMAR_IQ_DESCR_IOTLB_DOM (0x2 << 4) /* Granularity: Domain */ 340#define DMAR_IQ_DESCR_IOTLB_PAGE (0x3 << 4) /* Granularity: Page */ 341#define DMAR_IQ_DESCR_IOTLB_DW (1 << 6) /* Drain Writes */ 342#define DMAR_IQ_DESCR_IOTLB_DR (1 << 7) /* Drain Reads */ 343#define DMAR_IQ_DESCR_IOTLB_DID(x) (((uint32_t)(x)) << 16) /* Domain Id */ 344 345/* Device-TLB Invalidate Descriptor */ 346#define DMAR_IQ_DESCR_DTLB_INV 0x3 347 348/* Invalidate Interrupt Entry Cache */ 349#define DMAR_IQ_DESCR_IEC_INV 0x4 350#define DMAR_IQ_DESCR_IEC_IDX (1 << 4) /* Index-Selective Invalidation */ 351#define DMAR_IQ_DESCR_IEC_IIDX(x) (((uint64_t)x) << 32) /* Interrupt Index */ 352#define DMAR_IQ_DESCR_IEC_IM(x) ((x) << 27) /* Index Mask */ 353 354/* Invalidation Wait Descriptor */ 355#define DMAR_IQ_DESCR_WAIT_ID 0x5 356#define DMAR_IQ_DESCR_WAIT_IF (1 << 4) /* Interrupt Flag */ 357#define DMAR_IQ_DESCR_WAIT_SW (1 << 5) /* Status Write */ 358#define DMAR_IQ_DESCR_WAIT_FN (1 << 6) /* Fence */ 359#define DMAR_IQ_DESCR_WAIT_SD(x) (((uint64_t)(x)) << 32) /* Status Data */ 360 361/* Extended IOTLB Invalidate Descriptor */ 362#define DMAR_IQ_DESCR_EIOTLB_INV 0x6 363 364/* PASID-Cache Invalidate Descriptor */ 365#define DMAR_IQ_DESCR_PASIDC_INV 0x7 366 367/* Extended Device-TLB Invalidate Descriptor */ 368#define DMAR_IQ_DESCR_EDTLB_INV 0x8 369 370/* Invalidation Queue Head register */ 371#define DMAR_IQH_REG 0x80 372#define DMAR_IQH_MASK 0x7fff0 /* Next cmd index mask */ 373 374/* Invalidation Queue Tail register */ 375#define DMAR_IQT_REG 0x88 376#define DMAR_IQT_MASK 0x7fff0 377 378/* Invalidation Queue Address register */ 379#define DMAR_IQA_REG 0x90 380#define DMAR_IQA_IQA_MASK 0xfffffffffffff000 /* Invalidation Queue 381 Base Address mask */ 382#define DMAR_IQA_QS_MASK 0x7 /* Queue Size in pages */ 383#define DMAR_IQA_QS_MAX 0x7 /* Max Queue size */ 384#define DMAR_IQA_QS_DEF 3 385 386 /* Invalidation Completion Status register */ 387#define DMAR_ICS_REG 0x9c 388#define DMAR_ICS_IWC 1 /* Invalidation Wait 389 Descriptor Complete */ 390 391/* Invalidation Event Control register */ 392#define DMAR_IECTL_REG 0xa0 393#define DMAR_IECTL_IM (1U << 31) /* Interrupt Mask */ 394#define DMAR_IECTL_IP (1 << 30) /* Interrupt Pending */ 395 396/* Invalidation Event Data register */ 397#define DMAR_IEDATA_REG 0xa4 398 399/* Invalidation Event Address register */ 400#define DMAR_IEADDR_REG 0xa8 401 402/* Invalidation Event Upper Address register */ 403#define DMAR_IEUADDR_REG 0xac 404 405/* Interrupt Remapping Table Address register */ 406#define DMAR_IRTA_REG 0xb8 407#define DMAR_IRTA_EIME (1 << 11) /* Extended Interrupt Mode 408 Enable */ 409#define DMAR_IRTA_S_MASK 0xf /* Size Mask */ 410 411#endif 412