1  /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2  /******************************************************************************
3   *
4   * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
5   *
6   * Copyright (C) 2000 - 2023, Intel Corp.
7   *
8   *****************************************************************************/
9  
10  #ifndef __ACTBL2_H__
11  #define __ACTBL2_H__
12  
13  /*******************************************************************************
14   *
15   * Additional ACPI Tables (2)
16   *
17   * These tables are not consumed directly by the ACPICA subsystem, but are
18   * included here to support device drivers and the AML disassembler.
19   *
20   ******************************************************************************/
21  
22  /*
23   * Values for description table header signatures for tables defined in this
24   * file. Useful because they make it more difficult to inadvertently type in
25   * the wrong signature.
26   */
27  #define ACPI_SIG_AGDI           "AGDI"	/* Arm Generic Diagnostic Dump and Reset Device Interface */
28  #define ACPI_SIG_APMT           "APMT"	/* Arm Performance Monitoring Unit table */
29  #define ACPI_SIG_BDAT           "BDAT"	/* BIOS Data ACPI Table */
30  #define ACPI_SIG_CCEL           "CCEL"	/* CC Event Log Table */
31  #define ACPI_SIG_CDAT           "CDAT"	/* Coherent Device Attribute Table */
32  #define ACPI_SIG_IORT           "IORT"	/* IO Remapping Table */
33  #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
34  #define ACPI_SIG_LPIT           "LPIT"	/* Low Power Idle Table */
35  #define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
36  #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
37  #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
38  #define ACPI_SIG_MPAM           "MPAM"	/* Memory System Resource Partitioning and Monitoring Table */
39  #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
40  #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
41  #define ACPI_SIG_NFIT           "NFIT"	/* NVDIMM Firmware Interface Table */
42  #define ACPI_SIG_NHLT           "NHLT"	/* Non HD Audio Link Table */
43  #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
44  #define ACPI_SIG_PDTT           "PDTT"	/* Platform Debug Trigger Table */
45  #define ACPI_SIG_PHAT           "PHAT"	/* Platform Health Assessment Table */
46  #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
47  #define ACPI_SIG_PPTT           "PPTT"	/* Processor Properties Topology Table */
48  #define ACPI_SIG_PRMT           "PRMT"	/* Platform Runtime Mechanism Table */
49  #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
50  #define ACPI_SIG_RAS2           "RAS2"	/* RAS2 Feature table */
51  #define ACPI_SIG_RGRT           "RGRT"	/* Regulatory Graphics Resource Table */
52  #define ACPI_SIG_RHCT           "RHCT"	/* RISC-V Hart Capabilities Table */
53  #define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
54  #define ACPI_SIG_SDEI           "SDEI"	/* Software Delegated Exception Interface Table */
55  #define ACPI_SIG_SDEV           "SDEV"	/* Secure Devices table */
56  #define ACPI_SIG_SVKL           "SVKL"	/* Storage Volume Key Location Table */
57  #define ACPI_SIG_TDEL           "TDEL"	/* TD Event Log Table */
58  
59  /*
60   * All tables must be byte-packed to match the ACPI specification, since
61   * the tables are provided by the system BIOS.
62   */
63  #pragma pack(1)
64  
65  /*
66   * Note: C bitfields are not used for this reason:
67   *
68   * "Bitfields are great and easy to read, but unfortunately the C language
69   * does not specify the layout of bitfields in memory, which means they are
70   * essentially useless for dealing with packed data in on-disk formats or
71   * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
72   * this decision was a design error in C. Ritchie could have picked an order
73   * and stuck with it." Norman Ramsey.
74   * See http://stackoverflow.com/a/1053662/41661
75   */
76  
77  /*******************************************************************************
78   *
79   * AEST - Arm Error Source Table
80   *
81   * Conforms to: ACPI for the Armv8 RAS Extensions 1.1(Sep 2020) and
82   * 2.0(May 2023) Platform Design Document.
83   *
84   ******************************************************************************/
85  
86  struct acpi_table_aest {
87  	struct acpi_table_header header;
88  };
89  
90  /* Common Subtable header - one per Node Structure (Subtable) */
91  
92  struct acpi_aest_hdr {
93  	u8 type;
94  	u16 length;
95  	u8 reserved;
96  	u32 node_specific_offset;
97  	u32 node_interface_offset;
98  	u32 node_interrupt_offset;
99  	u32 node_interrupt_count;
100  	u64 timestamp_rate;
101  	u64 reserved1;
102  	u64 error_injection_rate;
103  };
104  
105  /* Values for Type above */
106  
107  #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
108  #define ACPI_AEST_MEMORY_ERROR_NODE         1
109  #define ACPI_AEST_SMMU_ERROR_NODE           2
110  #define ACPI_AEST_VENDOR_ERROR_NODE         3
111  #define ACPI_AEST_GIC_ERROR_NODE            4
112  #define ACPI_AEST_PCIE_ERROR_NODE           5
113  #define ACPI_AEST_PROXY_ERROR_NODE          6
114  #define ACPI_AEST_NODE_TYPE_RESERVED        7 /* 7 and above are reserved */
115  
116  /*
117   * AEST subtables (Error nodes)
118   */
119  
120  /* 0: Processor Error */
121  
122  typedef struct acpi_aest_processor {
123  	u32 processor_id;
124  	u8 resource_type;
125  	u8 reserved;
126  	u8 flags;
127  	u8 revision;
128  	u64 processor_affinity;
129  
130  } acpi_aest_processor;
131  
132  /* Values for resource_type above, related structs below */
133  
134  #define ACPI_AEST_CACHE_RESOURCE            0
135  #define ACPI_AEST_TLB_RESOURCE              1
136  #define ACPI_AEST_GENERIC_RESOURCE          2
137  #define ACPI_AEST_RESOURCE_RESERVED         3	/* 3 and above are reserved */
138  
139  /* 0R: Processor Cache Resource Substructure */
140  
141  typedef struct acpi_aest_processor_cache {
142  	u32 cache_reference;
143  	u32 reserved;
144  
145  } acpi_aest_processor_cache;
146  
147  /* Values for cache_type above */
148  
149  #define ACPI_AEST_CACHE_DATA                0
150  #define ACPI_AEST_CACHE_INSTRUCTION         1
151  #define ACPI_AEST_CACHE_UNIFIED             2
152  #define ACPI_AEST_CACHE_RESERVED            3	/* 3 and above are reserved */
153  
154  /* 1R: Processor TLB Resource Substructure */
155  
156  typedef struct acpi_aest_processor_tlb {
157  	u32 tlb_level;
158  	u32 reserved;
159  
160  } acpi_aest_processor_tlb;
161  
162  /* 2R: Processor Generic Resource Substructure */
163  
164  typedef struct acpi_aest_processor_generic {
165  	u32 resource;
166  
167  } acpi_aest_processor_generic;
168  
169  /* 1: Memory Error */
170  
171  typedef struct acpi_aest_memory {
172  	u32 srat_proximity_domain;
173  
174  } acpi_aest_memory;
175  
176  /* 2: Smmu Error */
177  
178  typedef struct acpi_aest_smmu {
179  	u32 iort_node_reference;
180  	u32 subcomponent_reference;
181  
182  } acpi_aest_smmu;
183  
184  /* 3: Vendor Defined */
185  
186  typedef struct acpi_aest_vendor {
187  	u32 acpi_hid;
188  	u32 acpi_uid;
189  	u8 vendor_specific_data[16];
190  
191  } acpi_aest_vendor;
192  
193  struct acpi_aest_vendor_v2 {
194  	char acpi_hid[8];
195  	u32 acpi_uid;
196  	u8 vendor_specific_data[16];
197  };
198  
199  /* 4: Gic Error */
200  
201  typedef struct acpi_aest_gic {
202  	u32 interface_type;
203  	u32 instance_id;
204  
205  } acpi_aest_gic;
206  
207  /* Values for interface_type above */
208  
209  #define ACPI_AEST_GIC_CPU                   0
210  #define ACPI_AEST_GIC_DISTRIBUTOR           1
211  #define ACPI_AEST_GIC_REDISTRIBUTOR         2
212  #define ACPI_AEST_GIC_ITS                   3
213  #define ACPI_AEST_GIC_RESERVED              4	/* 4 and above are reserved */
214  
215  /* 5: PCIe Error */
216  
217  struct acpi_aest_pcie {
218  	u32 iort_node_reference;
219  };
220  
221  /* 6: Proxy Error */
222  
223  struct acpi_aest_proxy {
224  	u64 node_address;
225  };
226  
227  /* Node Interface Structure */
228  
229  typedef struct acpi_aest_node_interface {
230  	u8 type;
231  	u8 reserved[3];
232  	u32 flags;
233  	u64 address;
234  	u32 error_record_index;
235  	u32 error_record_count;
236  	u64 error_record_implemented;
237  	u64 error_status_reporting;
238  	u64 addressing_mode;
239  
240  } acpi_aest_node_interface;
241  
242  /* Node Interface Structure V2 */
243  
244  struct acpi_aest_node_interface_header {
245  	u8 type;
246  	u8 group_format;
247  	u8 reserved[2];
248  	u32 flags;
249  	u64 address;
250  	u32 error_record_index;
251  	u32 error_record_count;
252  };
253  
254  #define ACPI_AEST_NODE_GROUP_FORMAT_4K          0
255  #define ACPI_AEST_NODE_GROUP_FORMAT_16K         1
256  #define ACPI_AEST_NODE_GROUP_FORMAT_64K         2
257  
258  struct acpi_aest_node_interface_common {
259  	u32 error_node_device;
260  	u32 processor_affinity;
261  	u64 error_group_register_base;
262  	u64 fault_inject_register_base;
263  	u64 interrupt_config_register_base;
264  };
265  
266  struct acpi_aest_node_interface_4k {
267  	u64 error_record_implemented;
268  	u64 error_status_reporting;
269  	u64 addressing_mode;
270  	struct acpi_aest_node_interface_common common;
271  };
272  
273  struct acpi_aest_node_interface_16k {
274  	u64 error_record_implemented[4];
275  	u64 error_status_reporting[4];
276  	u64 addressing_mode[4];
277  	struct acpi_aest_node_interface_common common;
278  };
279  
280  struct acpi_aest_node_interface_64k {
281  	u64 error_record_implemented[14];
282  	u64 error_status_reporting[14];
283  	u64 addressing_mode[14];
284  	struct acpi_aest_node_interface_common common;
285  };
286  
287  /* Values for Type field above */
288  
289  #define ACPI_AEST_NODE_SYSTEM_REGISTER			0
290  #define ACPI_AEST_NODE_MEMORY_MAPPED			1
291  #define ACPI_AEST_NODE_SINGLE_RECORD_MEMORY_MAPPED	2
292  #define ACPI_AEST_XFACE_RESERVED			3   /* 2 and above are reserved */
293  
294  /* Node Interrupt Structure */
295  
296  typedef struct acpi_aest_node_interrupt {
297  	u8 type;
298  	u8 reserved[2];
299  	u8 flags;
300  	u32 gsiv;
301  	u8 iort_id;
302  	u8 reserved1[3];
303  
304  } acpi_aest_node_interrupt;
305  
306  /* Node Interrupt Structure V2 */
307  
308  struct acpi_aest_node_interrupt_v2 {
309  	u8 type;
310  	u8 reserved[2];
311  	u8 flags;
312  	u32 gsiv;
313  	u8 reserved1[4];
314  };
315  
316  /* Values for Type field above */
317  
318  #define ACPI_AEST_NODE_FAULT_HANDLING       0
319  #define ACPI_AEST_NODE_ERROR_RECOVERY       1
320  #define ACPI_AEST_XRUPT_RESERVED            2	/* 2 and above are reserved */
321  
322  /*******************************************************************************
323   * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
324   *
325   * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
326   * ARM DEN0093 v1.1
327   *
328   ******************************************************************************/
329  struct acpi_table_agdi {
330  	struct acpi_table_header header;	/* Common ACPI table header */
331  	u8 flags;
332  	u8 reserved[3];
333  	u32 sdei_event;
334  	u32 gsiv;
335  };
336  
337  /* Mask for Flags field above */
338  
339  #define ACPI_AGDI_SIGNALING_MODE (1)
340  
341  /*******************************************************************************
342   *
343   * APMT - ARM Performance Monitoring Unit Table
344   *
345   * Conforms to:
346   * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
347   * ARM DEN0117 v1.0 November 25, 2021
348   *
349   ******************************************************************************/
350  
351  struct acpi_table_apmt {
352  	struct acpi_table_header header;	/* Common ACPI table header */
353  };
354  
355  #define ACPI_APMT_NODE_ID_LENGTH                4
356  
357  /*
358   * APMT subtables
359   */
360  struct acpi_apmt_node {
361  	u16 length;
362  	u8 flags;
363  	u8 type;
364  	u32 id;
365  	u64 inst_primary;
366  	u32 inst_secondary;
367  	u64 base_address0;
368  	u64 base_address1;
369  	u32 ovflw_irq;
370  	u32 reserved;
371  	u32 ovflw_irq_flags;
372  	u32 proc_affinity;
373  	u32 impl_id;
374  };
375  
376  /* Masks for Flags field above */
377  
378  #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
379  #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
380  #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
381  
382  /* Values for Flags dual page field above */
383  
384  #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
385  #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
386  
387  /* Values for Flags processor affinity field above */
388  #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
389  #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
390  
391  /* Values for Flags 64-bit atomic field above */
392  #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
393  #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
394  
395  /* Values for Type field above */
396  
397  enum acpi_apmt_node_type {
398  	ACPI_APMT_NODE_TYPE_MC = 0x00,
399  	ACPI_APMT_NODE_TYPE_SMMU = 0x01,
400  	ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
401  	ACPI_APMT_NODE_TYPE_ACPI = 0x03,
402  	ACPI_APMT_NODE_TYPE_CACHE = 0x04,
403  	ACPI_APMT_NODE_TYPE_COUNT
404  };
405  
406  /* Masks for ovflw_irq_flags field above */
407  
408  #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
409  #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
410  
411  /* Values for ovflw_irq_flags mode field above */
412  
413  #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
414  #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
415  
416  /* Values for ovflw_irq_flags type field above */
417  
418  #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
419  
420  /*******************************************************************************
421   *
422   * BDAT - BIOS Data ACPI Table
423   *
424   * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
425   * Nov 2020
426   *
427   ******************************************************************************/
428  
429  struct acpi_table_bdat {
430  	struct acpi_table_header header;
431  	struct acpi_generic_address gas;
432  };
433  
434  /*******************************************************************************
435   *
436   * CCEL - CC-Event Log
437   *        From: "Guest-Host-Communication Interface (GHCI) for Intel
438   *        Trust Domain Extensions (Intel TDX)". Feb 2022
439   *
440   ******************************************************************************/
441  
442  struct acpi_table_ccel {
443  	struct acpi_table_header header;	/* Common ACPI table header */
444  	u8 CCtype;
445  	u8 Ccsub_type;
446  	u16 reserved;
447  	u64 log_area_minimum_length;
448  	u64 log_area_start_address;
449  };
450  
451  /*******************************************************************************
452   *
453   * IORT - IO Remapping Table
454   *
455   * Conforms to "IO Remapping Table System Software on ARM Platforms",
456   * Document number: ARM DEN 0049E.e, Sep 2022
457   *
458   ******************************************************************************/
459  
460  struct acpi_table_iort {
461  	struct acpi_table_header header;
462  	u32 node_count;
463  	u32 node_offset;
464  	u32 reserved;
465  };
466  
467  /*
468   * IORT subtables
469   */
470  struct acpi_iort_node {
471  	u8 type;
472  	u16 length;
473  	u8 revision;
474  	u32 identifier;
475  	u32 mapping_count;
476  	u32 mapping_offset;
477  	char node_data[];
478  };
479  
480  /* Values for subtable Type above */
481  
482  enum acpi_iort_node_type {
483  	ACPI_IORT_NODE_ITS_GROUP = 0x00,
484  	ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
485  	ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
486  	ACPI_IORT_NODE_SMMU = 0x03,
487  	ACPI_IORT_NODE_SMMU_V3 = 0x04,
488  	ACPI_IORT_NODE_PMCG = 0x05,
489  	ACPI_IORT_NODE_RMR = 0x06,
490  };
491  
492  struct acpi_iort_id_mapping {
493  	u32 input_base;		/* Lowest value in input range */
494  	u32 id_count;		/* Number of IDs */
495  	u32 output_base;	/* Lowest value in output range */
496  	u32 output_reference;	/* A reference to the output node */
497  	u32 flags;
498  };
499  
500  /* Masks for Flags field above for IORT subtable */
501  
502  #define ACPI_IORT_ID_SINGLE_MAPPING (1)
503  
504  struct acpi_iort_memory_access {
505  	u32 cache_coherency;
506  	u8 hints;
507  	u16 reserved;
508  	u8 memory_flags;
509  };
510  
511  /* Values for cache_coherency field above */
512  
513  #define ACPI_IORT_NODE_COHERENT         0x00000001	/* The device node is fully coherent */
514  #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000	/* The device node is not coherent */
515  
516  /* Masks for Hints field above */
517  
518  #define ACPI_IORT_HT_TRANSIENT          (1)
519  #define ACPI_IORT_HT_WRITE              (1<<1)
520  #define ACPI_IORT_HT_READ               (1<<2)
521  #define ACPI_IORT_HT_OVERRIDE           (1<<3)
522  
523  /* Masks for memory_flags field above */
524  
525  #define ACPI_IORT_MF_COHERENCY          (1)
526  #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
527  
528  /*
529   * IORT node specific subtables
530   */
531  struct acpi_iort_its_group {
532  	u32 its_count;
533  	u32 identifiers[];	/* GIC ITS identifier array */
534  };
535  
536  struct acpi_iort_named_component {
537  	u32 node_flags;
538  	u64 memory_properties;	/* Memory access properties */
539  	u8 memory_address_limit;	/* Memory address size limit */
540  	char device_name[];	/* Path of namespace object */
541  };
542  
543  /* Masks for Flags field above */
544  
545  #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
546  #define ACPI_IORT_NC_PASID_BITS         (31<<1)
547  
548  struct acpi_iort_root_complex {
549  	u64 memory_properties;	/* Memory access properties */
550  	u32 ats_attribute;
551  	u32 pci_segment_number;
552  	u8 memory_address_limit;	/* Memory address size limit */
553  	u16 pasid_capabilities;	/* PASID Capabilities */
554  	u8 reserved[];		/* Reserved, must be zero */
555  };
556  
557  /* Masks for ats_attribute field above */
558  
559  #define ACPI_IORT_ATS_SUPPORTED         (1)	/* The root complex ATS support */
560  #define ACPI_IORT_PRI_SUPPORTED         (1<<1)	/* The root complex PRI support */
561  #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)	/* The root complex PASID forward support */
562  
563  /* Masks for pasid_capabilities field above */
564  #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)	/* Bits 0-4 */
565  
566  struct acpi_iort_smmu {
567  	u64 base_address;	/* SMMU base address */
568  	u64 span;		/* Length of memory range */
569  	u32 model;
570  	u32 flags;
571  	u32 global_interrupt_offset;
572  	u32 context_interrupt_count;
573  	u32 context_interrupt_offset;
574  	u32 pmu_interrupt_count;
575  	u32 pmu_interrupt_offset;
576  	u64 interrupts[];	/* Interrupt array */
577  };
578  
579  /* Values for Model field above */
580  
581  #define ACPI_IORT_SMMU_V1               0x00000000	/* Generic SMMUv1 */
582  #define ACPI_IORT_SMMU_V2               0x00000001	/* Generic SMMUv2 */
583  #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002	/* ARM Corelink MMU-400 */
584  #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003	/* ARM Corelink MMU-500 */
585  #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004	/* ARM Corelink MMU-401 */
586  #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005	/* Cavium thunder_x SMMUv2 */
587  
588  /* Masks for Flags field above */
589  
590  #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
591  #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
592  
593  /* Global interrupt format */
594  
595  struct acpi_iort_smmu_gsi {
596  	u32 nsg_irpt;
597  	u32 nsg_irpt_flags;
598  	u32 nsg_cfg_irpt;
599  	u32 nsg_cfg_irpt_flags;
600  };
601  
602  struct acpi_iort_smmu_v3 {
603  	u64 base_address;	/* SMMUv3 base address */
604  	u32 flags;
605  	u32 reserved;
606  	u64 vatos_address;
607  	u32 model;
608  	u32 event_gsiv;
609  	u32 pri_gsiv;
610  	u32 gerr_gsiv;
611  	u32 sync_gsiv;
612  	u32 pxm;
613  	u32 id_mapping_index;
614  };
615  
616  /* Values for Model field above */
617  
618  #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000	/* Generic SMMUv3 */
619  #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001	/* hi_silicon Hi161x SMMUv3 */
620  #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002	/* Cavium CN99xx SMMUv3 */
621  
622  /* Masks for Flags field above */
623  
624  #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
625  #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
626  #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
627  #define ACPI_IORT_SMMU_V3_DEVICEID_VALID    (1<<4)
628  
629  struct acpi_iort_pmcg {
630  	u64 page0_base_address;
631  	u32 overflow_gsiv;
632  	u32 node_reference;
633  	u64 page1_base_address;
634  };
635  
636  struct acpi_iort_rmr {
637  	u32 flags;
638  	u32 rmr_count;
639  	u32 rmr_offset;
640  };
641  
642  /* Masks for Flags field above */
643  #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
644  #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
645  
646  /*
647   * Macro to access the Access Attributes in flags field above:
648   *  Access Attributes is encoded in bits 9:2
649   */
650  #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
651  
652  /* Values for above Access Attributes */
653  
654  #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
655  #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
656  #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
657  #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
658  #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
659  #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
660  
661  struct acpi_iort_rmr_desc {
662  	u64 base_address;
663  	u64 length;
664  	u32 reserved;
665  };
666  
667  /*******************************************************************************
668   *
669   * IVRS - I/O Virtualization Reporting Structure
670   *        Version 1
671   *
672   * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
673   * Revision 1.26, February 2009.
674   *
675   ******************************************************************************/
676  
677  struct acpi_table_ivrs {
678  	struct acpi_table_header header;	/* Common ACPI table header */
679  	u32 info;		/* Common virtualization info */
680  	u64 reserved;
681  };
682  
683  /* Values for Info field above */
684  
685  #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00	/* 7 bits, physical address size */
686  #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000	/* 7 bits, virtual address size */
687  #define ACPI_IVRS_ATS_RESERVED      0x00400000	/* ATS address translation range reserved */
688  
689  /* IVRS subtable header */
690  
691  struct acpi_ivrs_header {
692  	u8 type;		/* Subtable type */
693  	u8 flags;
694  	u16 length;		/* Subtable length */
695  	u16 device_id;		/* ID of IOMMU */
696  };
697  
698  /* Values for subtable Type above */
699  
700  enum acpi_ivrs_type {
701  	ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
702  	ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
703  	ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
704  	ACPI_IVRS_TYPE_MEMORY1 = 0x20,
705  	ACPI_IVRS_TYPE_MEMORY2 = 0x21,
706  	ACPI_IVRS_TYPE_MEMORY3 = 0x22
707  };
708  
709  /* Masks for Flags field above for IVHD subtable */
710  
711  #define ACPI_IVHD_TT_ENABLE         (1)
712  #define ACPI_IVHD_PASS_PW           (1<<1)
713  #define ACPI_IVHD_RES_PASS_PW       (1<<2)
714  #define ACPI_IVHD_ISOC              (1<<3)
715  #define ACPI_IVHD_IOTLB             (1<<4)
716  
717  /* Masks for Flags field above for IVMD subtable */
718  
719  #define ACPI_IVMD_UNITY             (1)
720  #define ACPI_IVMD_READ              (1<<1)
721  #define ACPI_IVMD_WRITE             (1<<2)
722  #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
723  
724  /*
725   * IVRS subtables, correspond to Type in struct acpi_ivrs_header
726   */
727  
728  /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
729  
730  struct acpi_ivrs_hardware_10 {
731  	struct acpi_ivrs_header header;
732  	u16 capability_offset;	/* Offset for IOMMU control fields */
733  	u64 base_address;	/* IOMMU control registers */
734  	u16 pci_segment_group;
735  	u16 info;		/* MSI number and unit ID */
736  	u32 feature_reporting;
737  };
738  
739  /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
740  
741  struct acpi_ivrs_hardware_11 {
742  	struct acpi_ivrs_header header;
743  	u16 capability_offset;	/* Offset for IOMMU control fields */
744  	u64 base_address;	/* IOMMU control registers */
745  	u16 pci_segment_group;
746  	u16 info;		/* MSI number and unit ID */
747  	u32 attributes;
748  	u64 efr_register_image;
749  	u64 reserved;
750  };
751  
752  /* Masks for Info field above */
753  
754  #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F	/* 5 bits, MSI message number */
755  #define ACPI_IVHD_UNIT_ID_MASK      0x1F00	/* 5 bits, unit_ID */
756  
757  /*
758   * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
759   * Upper two bits of the Type field are the (encoded) length of the structure.
760   * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
761   * are reserved for future use but not defined.
762   */
763  struct acpi_ivrs_de_header {
764  	u8 type;
765  	u16 id;
766  	u8 data_setting;
767  };
768  
769  /* Length of device entry is in the top two bits of Type field above */
770  
771  #define ACPI_IVHD_ENTRY_LENGTH      0xC0
772  
773  /* Values for device entry Type field above */
774  
775  enum acpi_ivrs_device_entry_type {
776  	/* 4-byte device entries, all use struct acpi_ivrs_device4 */
777  
778  	ACPI_IVRS_TYPE_PAD4 = 0,
779  	ACPI_IVRS_TYPE_ALL = 1,
780  	ACPI_IVRS_TYPE_SELECT = 2,
781  	ACPI_IVRS_TYPE_START = 3,
782  	ACPI_IVRS_TYPE_END = 4,
783  
784  	/* 8-byte device entries */
785  
786  	ACPI_IVRS_TYPE_PAD8 = 64,
787  	ACPI_IVRS_TYPE_NOT_USED = 65,
788  	ACPI_IVRS_TYPE_ALIAS_SELECT = 66,	/* Uses struct acpi_ivrs_device8a */
789  	ACPI_IVRS_TYPE_ALIAS_START = 67,	/* Uses struct acpi_ivrs_device8a */
790  	ACPI_IVRS_TYPE_EXT_SELECT = 70,	/* Uses struct acpi_ivrs_device8b */
791  	ACPI_IVRS_TYPE_EXT_START = 71,	/* Uses struct acpi_ivrs_device8b */
792  	ACPI_IVRS_TYPE_SPECIAL = 72,	/* Uses struct acpi_ivrs_device8c */
793  
794  	/* Variable-length device entries */
795  
796  	ACPI_IVRS_TYPE_HID = 240	/* Uses ACPI_IVRS_DEVICE_HID */
797  };
798  
799  /* Values for Data field above */
800  
801  #define ACPI_IVHD_INIT_PASS         (1)
802  #define ACPI_IVHD_EINT_PASS         (1<<1)
803  #define ACPI_IVHD_NMI_PASS          (1<<2)
804  #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
805  #define ACPI_IVHD_LINT0_PASS        (1<<6)
806  #define ACPI_IVHD_LINT1_PASS        (1<<7)
807  
808  /* Types 0-4: 4-byte device entry */
809  
810  struct acpi_ivrs_device4 {
811  	struct acpi_ivrs_de_header header;
812  };
813  
814  /* Types 66-67: 8-byte device entry */
815  
816  struct acpi_ivrs_device8a {
817  	struct acpi_ivrs_de_header header;
818  	u8 reserved1;
819  	u16 used_id;
820  	u8 reserved2;
821  };
822  
823  /* Types 70-71: 8-byte device entry */
824  
825  struct acpi_ivrs_device8b {
826  	struct acpi_ivrs_de_header header;
827  	u32 extended_data;
828  };
829  
830  /* Values for extended_data above */
831  
832  #define ACPI_IVHD_ATS_DISABLED      (1<<31)
833  
834  /* Type 72: 8-byte device entry */
835  
836  struct acpi_ivrs_device8c {
837  	struct acpi_ivrs_de_header header;
838  	u8 handle;
839  	u16 used_id;
840  	u8 variety;
841  };
842  
843  /* Values for Variety field above */
844  
845  #define ACPI_IVHD_IOAPIC            1
846  #define ACPI_IVHD_HPET              2
847  
848  /* Type 240: variable-length device entry */
849  
850  struct acpi_ivrs_device_hid {
851  	struct acpi_ivrs_de_header header;
852  	u64 acpi_hid;
853  	u64 acpi_cid;
854  	u8 uid_type;
855  	u8 uid_length;
856  };
857  
858  /* Values for uid_type above */
859  
860  #define ACPI_IVRS_UID_NOT_PRESENT   0
861  #define ACPI_IVRS_UID_IS_INTEGER    1
862  #define ACPI_IVRS_UID_IS_STRING     2
863  
864  /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
865  
866  struct acpi_ivrs_memory {
867  	struct acpi_ivrs_header header;
868  	u16 aux_data;
869  	u64 reserved;
870  	u64 start_address;
871  	u64 memory_length;
872  };
873  
874  /*******************************************************************************
875   *
876   * LPIT - Low Power Idle Table
877   *
878   * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
879   *
880   ******************************************************************************/
881  
882  struct acpi_table_lpit {
883  	struct acpi_table_header header;	/* Common ACPI table header */
884  };
885  
886  /* LPIT subtable header */
887  
888  struct acpi_lpit_header {
889  	u32 type;		/* Subtable type */
890  	u32 length;		/* Subtable length */
891  	u16 unique_id;
892  	u16 reserved;
893  	u32 flags;
894  };
895  
896  /* Values for subtable Type above */
897  
898  enum acpi_lpit_type {
899  	ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
900  	ACPI_LPIT_TYPE_RESERVED = 0x01	/* 1 and above are reserved */
901  };
902  
903  /* Masks for Flags field above  */
904  
905  #define ACPI_LPIT_STATE_DISABLED    (1)
906  #define ACPI_LPIT_NO_COUNTER        (1<<1)
907  
908  /*
909   * LPIT subtables, correspond to Type in struct acpi_lpit_header
910   */
911  
912  /* 0x00: Native C-state instruction based LPI structure */
913  
914  struct acpi_lpit_native {
915  	struct acpi_lpit_header header;
916  	struct acpi_generic_address entry_trigger;
917  	u32 residency;
918  	u32 latency;
919  	struct acpi_generic_address residency_counter;
920  	u64 counter_frequency;
921  };
922  
923  /*******************************************************************************
924   *
925   * MADT - Multiple APIC Description Table
926   *        Version 3
927   *
928   ******************************************************************************/
929  
930  struct acpi_table_madt {
931  	struct acpi_table_header header;	/* Common ACPI table header */
932  	u32 address;		/* Physical address of local APIC */
933  	u32 flags;
934  };
935  
936  /* Masks for Flags field above */
937  
938  #define ACPI_MADT_PCAT_COMPAT       (1)	/* 00: System also has dual 8259s */
939  
940  /* Values for PCATCompat flag */
941  
942  #define ACPI_MADT_DUAL_PIC          1
943  #define ACPI_MADT_MULTIPLE_APIC     0
944  
945  /* Values for MADT subtable type in struct acpi_subtable_header */
946  
947  enum acpi_madt_type {
948  	ACPI_MADT_TYPE_LOCAL_APIC = 0,
949  	ACPI_MADT_TYPE_IO_APIC = 1,
950  	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
951  	ACPI_MADT_TYPE_NMI_SOURCE = 3,
952  	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
953  	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
954  	ACPI_MADT_TYPE_IO_SAPIC = 6,
955  	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
956  	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
957  	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
958  	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
959  	ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
960  	ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
961  	ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
962  	ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
963  	ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
964  	ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
965  	ACPI_MADT_TYPE_CORE_PIC = 17,
966  	ACPI_MADT_TYPE_LIO_PIC = 18,
967  	ACPI_MADT_TYPE_HT_PIC = 19,
968  	ACPI_MADT_TYPE_EIO_PIC = 20,
969  	ACPI_MADT_TYPE_MSI_PIC = 21,
970  	ACPI_MADT_TYPE_BIO_PIC = 22,
971  	ACPI_MADT_TYPE_LPC_PIC = 23,
972  	ACPI_MADT_TYPE_RINTC = 24,
973  	ACPI_MADT_TYPE_IMSIC = 25,
974  	ACPI_MADT_TYPE_APLIC = 26,
975  	ACPI_MADT_TYPE_PLIC = 27,
976  	ACPI_MADT_TYPE_RESERVED = 28,	/* 28 to 0x7F are reserved */
977  	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
978  };
979  
980  /*
981   * MADT Subtables, correspond to Type in struct acpi_subtable_header
982   */
983  
984  /* 0: Processor Local APIC */
985  
986  struct acpi_madt_local_apic {
987  	struct acpi_subtable_header header;
988  	u8 processor_id;	/* ACPI processor id */
989  	u8 id;			/* Processor's local APIC id */
990  	u32 lapic_flags;
991  };
992  
993  /* 1: IO APIC */
994  
995  struct acpi_madt_io_apic {
996  	struct acpi_subtable_header header;
997  	u8 id;			/* I/O APIC ID */
998  	u8 reserved;		/* reserved - must be zero */
999  	u32 address;		/* APIC physical address */
1000  	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
1001  };
1002  
1003  /* 2: Interrupt Override */
1004  
1005  struct acpi_madt_interrupt_override {
1006  	struct acpi_subtable_header header;
1007  	u8 bus;			/* 0 - ISA */
1008  	u8 source_irq;		/* Interrupt source (IRQ) */
1009  	u32 global_irq;		/* Global system interrupt */
1010  	u16 inti_flags;
1011  };
1012  
1013  /* 3: NMI Source */
1014  
1015  struct acpi_madt_nmi_source {
1016  	struct acpi_subtable_header header;
1017  	u16 inti_flags;
1018  	u32 global_irq;		/* Global system interrupt */
1019  };
1020  
1021  /* 4: Local APIC NMI */
1022  
1023  struct acpi_madt_local_apic_nmi {
1024  	struct acpi_subtable_header header;
1025  	u8 processor_id;	/* ACPI processor id */
1026  	u16 inti_flags;
1027  	u8 lint;		/* LINTn to which NMI is connected */
1028  };
1029  
1030  /* 5: Address Override */
1031  
1032  struct acpi_madt_local_apic_override {
1033  	struct acpi_subtable_header header;
1034  	u16 reserved;		/* Reserved, must be zero */
1035  	u64 address;		/* APIC physical address */
1036  };
1037  
1038  /* 6: I/O Sapic */
1039  
1040  struct acpi_madt_io_sapic {
1041  	struct acpi_subtable_header header;
1042  	u8 id;			/* I/O SAPIC ID */
1043  	u8 reserved;		/* Reserved, must be zero */
1044  	u32 global_irq_base;	/* Global interrupt for SAPIC start */
1045  	u64 address;		/* SAPIC physical address */
1046  };
1047  
1048  /* 7: Local Sapic */
1049  
1050  struct acpi_madt_local_sapic {
1051  	struct acpi_subtable_header header;
1052  	u8 processor_id;	/* ACPI processor id */
1053  	u8 id;			/* SAPIC ID */
1054  	u8 eid;			/* SAPIC EID */
1055  	u8 reserved[3];		/* Reserved, must be zero */
1056  	u32 lapic_flags;
1057  	u32 uid;		/* Numeric UID - ACPI 3.0 */
1058  	char uid_string[];	/* String UID  - ACPI 3.0 */
1059  };
1060  
1061  /* 8: Platform Interrupt Source */
1062  
1063  struct acpi_madt_interrupt_source {
1064  	struct acpi_subtable_header header;
1065  	u16 inti_flags;
1066  	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
1067  	u8 id;			/* Processor ID */
1068  	u8 eid;			/* Processor EID */
1069  	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
1070  	u32 global_irq;		/* Global system interrupt */
1071  	u32 flags;		/* Interrupt Source Flags */
1072  };
1073  
1074  /* Masks for Flags field above */
1075  
1076  #define ACPI_MADT_CPEI_OVERRIDE     (1)
1077  
1078  /* 9: Processor Local X2APIC (ACPI 4.0) */
1079  
1080  struct acpi_madt_local_x2apic {
1081  	struct acpi_subtable_header header;
1082  	u16 reserved;		/* reserved - must be zero */
1083  	u32 local_apic_id;	/* Processor x2APIC ID  */
1084  	u32 lapic_flags;
1085  	u32 uid;		/* ACPI processor UID */
1086  };
1087  
1088  /* 10: Local X2APIC NMI (ACPI 4.0) */
1089  
1090  struct acpi_madt_local_x2apic_nmi {
1091  	struct acpi_subtable_header header;
1092  	u16 inti_flags;
1093  	u32 uid;		/* ACPI processor UID */
1094  	u8 lint;		/* LINTn to which NMI is connected */
1095  	u8 reserved[3];		/* reserved - must be zero */
1096  };
1097  
1098  /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */
1099  
1100  struct acpi_madt_generic_interrupt {
1101  	struct acpi_subtable_header header;
1102  	u16 reserved;		/* reserved - must be zero */
1103  	u32 cpu_interface_number;
1104  	u32 uid;
1105  	u32 flags;
1106  	u32 parking_version;
1107  	u32 performance_interrupt;
1108  	u64 parked_address;
1109  	u64 base_address;
1110  	u64 gicv_base_address;
1111  	u64 gich_base_address;
1112  	u32 vgic_interrupt;
1113  	u64 gicr_base_address;
1114  	u64 arm_mpidr;
1115  	u8 efficiency_class;
1116  	u8 reserved2[1];
1117  	u16 spe_interrupt;	/* ACPI 6.3 */
1118  	u16 trbe_interrupt;	/* ACPI 6.5 */
1119  };
1120  
1121  /* Masks for Flags field above */
1122  
1123  /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1124  #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)	/* 01: Performance Interrupt Mode */
1125  #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)	/* 02: VGIC Maintenance Interrupt mode */
1126  #define ACPI_MADT_GICC_ONLINE_CAPABLE   (1<<3)	/* 03: Processor is online capable  */
1127  #define ACPI_MADT_GICC_NON_COHERENT     (1<<4)	/* 04: GIC redistributor is not coherent */
1128  
1129  /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1130  
1131  struct acpi_madt_generic_distributor {
1132  	struct acpi_subtable_header header;
1133  	u16 reserved;		/* reserved - must be zero */
1134  	u32 gic_id;
1135  	u64 base_address;
1136  	u32 global_irq_base;
1137  	u8 version;
1138  	u8 reserved2[3];	/* reserved - must be zero */
1139  };
1140  
1141  /* Values for Version field above */
1142  
1143  enum acpi_madt_gic_version {
1144  	ACPI_MADT_GIC_VERSION_NONE = 0,
1145  	ACPI_MADT_GIC_VERSION_V1 = 1,
1146  	ACPI_MADT_GIC_VERSION_V2 = 2,
1147  	ACPI_MADT_GIC_VERSION_V3 = 3,
1148  	ACPI_MADT_GIC_VERSION_V4 = 4,
1149  	ACPI_MADT_GIC_VERSION_RESERVED = 5	/* 5 and greater are reserved */
1150  };
1151  
1152  /* 13: Generic MSI Frame (ACPI 5.1) */
1153  
1154  struct acpi_madt_generic_msi_frame {
1155  	struct acpi_subtable_header header;
1156  	u16 reserved;		/* reserved - must be zero */
1157  	u32 msi_frame_id;
1158  	u64 base_address;
1159  	u32 flags;
1160  	u16 spi_count;
1161  	u16 spi_base;
1162  };
1163  
1164  /* Masks for Flags field above */
1165  
1166  #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1167  
1168  /* 14: Generic Redistributor (ACPI 5.1) */
1169  
1170  struct acpi_madt_generic_redistributor {
1171  	struct acpi_subtable_header header;
1172  	u8 flags;
1173  	u8 reserved;		/* reserved - must be zero */
1174  	u64 base_address;
1175  	u32 length;
1176  };
1177  
1178  #define ACPI_MADT_GICR_NON_COHERENT     (1)
1179  
1180  /* 15: Generic Translator (ACPI 6.0) */
1181  
1182  struct acpi_madt_generic_translator {
1183  	struct acpi_subtable_header header;
1184  	u8 flags;
1185  	u8 reserved;		/* reserved - must be zero */
1186  	u32 translation_id;
1187  	u64 base_address;
1188  	u32 reserved2;
1189  };
1190  
1191  #define ACPI_MADT_ITS_NON_COHERENT      (1)
1192  
1193  /* 16: Multiprocessor wakeup (ACPI 6.4) */
1194  
1195  struct acpi_madt_multiproc_wakeup {
1196  	struct acpi_subtable_header header;
1197  	u16 version;
1198  	u32 reserved;		/* reserved - must be zero */
1199  	u64 mailbox_address;
1200  	u64 reset_vector;
1201  };
1202  
1203  /* Values for Version field above */
1204  
1205  enum acpi_madt_multiproc_wakeup_version {
1206  	ACPI_MADT_MP_WAKEUP_VERSION_NONE = 0,
1207  	ACPI_MADT_MP_WAKEUP_VERSION_V1 = 1,
1208  	ACPI_MADT_MP_WAKEUP_VERSION_RESERVED = 2, /* 2 and greater are reserved */
1209  };
1210  
1211  #define ACPI_MADT_MP_WAKEUP_SIZE_V0	16
1212  #define ACPI_MADT_MP_WAKEUP_SIZE_V1	24
1213  
1214  #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1215  #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1216  
1217  struct acpi_madt_multiproc_wakeup_mailbox {
1218  	u16 command;
1219  	u16 reserved;		/* reserved - must be zero */
1220  	u32 apic_id;
1221  	u64 wakeup_vector;
1222  	u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];	/* reserved for OS use */
1223  	u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];	/* reserved for firmware use */
1224  };
1225  
1226  #define ACPI_MP_WAKE_COMMAND_WAKEUP	1
1227  #define ACPI_MP_WAKE_COMMAND_TEST	2
1228  
1229  /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1230  
1231  struct acpi_madt_core_pic {
1232  	struct acpi_subtable_header header;
1233  	u8 version;
1234  	u32 processor_id;
1235  	u32 core_id;
1236  	u32 flags;
1237  };
1238  
1239  /* Values for Version field above */
1240  
1241  enum acpi_madt_core_pic_version {
1242  	ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1243  	ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1244  	ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1245  };
1246  
1247  /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1248  
1249  struct acpi_madt_lio_pic {
1250  	struct acpi_subtable_header header;
1251  	u8 version;
1252  	u64 address;
1253  	u16 size;
1254  	u8 cascade[2];
1255  	u32 cascade_map[2];
1256  };
1257  
1258  /* Values for Version field above */
1259  
1260  enum acpi_madt_lio_pic_version {
1261  	ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1262  	ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1263  	ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1264  };
1265  
1266  /* 19: HT Interrupt Controller (ACPI 6.5) */
1267  
1268  struct acpi_madt_ht_pic {
1269  	struct acpi_subtable_header header;
1270  	u8 version;
1271  	u64 address;
1272  	u16 size;
1273  	u8 cascade[8];
1274  };
1275  
1276  /* Values for Version field above */
1277  
1278  enum acpi_madt_ht_pic_version {
1279  	ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1280  	ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1281  	ACPI_MADT_HT_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1282  };
1283  
1284  /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1285  
1286  struct acpi_madt_eio_pic {
1287  	struct acpi_subtable_header header;
1288  	u8 version;
1289  	u8 cascade;
1290  	u8 node;
1291  	u64 node_map;
1292  };
1293  
1294  /* Values for Version field above */
1295  
1296  enum acpi_madt_eio_pic_version {
1297  	ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1298  	ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1299  	ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1300  };
1301  
1302  /* 21: MSI Interrupt Controller (ACPI 6.5) */
1303  
1304  struct acpi_madt_msi_pic {
1305  	struct acpi_subtable_header header;
1306  	u8 version;
1307  	u64 msg_address;
1308  	u32 start;
1309  	u32 count;
1310  };
1311  
1312  /* Values for Version field above */
1313  
1314  enum acpi_madt_msi_pic_version {
1315  	ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1316  	ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1317  	ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1318  };
1319  
1320  /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1321  
1322  struct acpi_madt_bio_pic {
1323  	struct acpi_subtable_header header;
1324  	u8 version;
1325  	u64 address;
1326  	u16 size;
1327  	u16 id;
1328  	u16 gsi_base;
1329  };
1330  
1331  /* Values for Version field above */
1332  
1333  enum acpi_madt_bio_pic_version {
1334  	ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1335  	ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1336  	ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1337  };
1338  
1339  /* 23: LPC Interrupt Controller (ACPI 6.5) */
1340  
1341  struct acpi_madt_lpc_pic {
1342  	struct acpi_subtable_header header;
1343  	u8 version;
1344  	u64 address;
1345  	u16 size;
1346  	u8 cascade;
1347  };
1348  
1349  /* Values for Version field above */
1350  
1351  enum acpi_madt_lpc_pic_version {
1352  	ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1353  	ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1354  	ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1355  };
1356  
1357  /* 24: RISC-V INTC */
1358  struct acpi_madt_rintc {
1359  	struct acpi_subtable_header header;
1360  	u8 version;
1361  	u8 reserved;
1362  	u32 flags;
1363  	u64 hart_id;
1364  	u32 uid;		/* ACPI processor UID */
1365  	u32 ext_intc_id;	/* External INTC Id */
1366  	u64 imsic_addr;		/* IMSIC base address */
1367  	u32 imsic_size;		/* IMSIC size */
1368  };
1369  
1370  /* Values for RISC-V INTC Version field above */
1371  
1372  enum acpi_madt_rintc_version {
1373  	ACPI_MADT_RINTC_VERSION_NONE = 0,
1374  	ACPI_MADT_RINTC_VERSION_V1 = 1,
1375  	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
1376  };
1377  
1378  /* 25: RISC-V IMSIC */
1379  struct acpi_madt_imsic {
1380  	struct acpi_subtable_header header;
1381  	u8 version;
1382  	u8 reserved;
1383  	u32 flags;
1384  	u16 num_ids;
1385  	u16 num_guest_ids;
1386  	u8 guest_index_bits;
1387  	u8 hart_index_bits;
1388  	u8 group_index_bits;
1389  	u8 group_index_shift;
1390  };
1391  
1392  /* 26: RISC-V APLIC */
1393  struct acpi_madt_aplic {
1394  	struct acpi_subtable_header header;
1395  	u8 version;
1396  	u8 id;
1397  	u32 flags;
1398  	u8 hw_id[8];
1399  	u16 num_idcs;
1400  	u16 num_sources;
1401  	u32 gsi_base;
1402  	u64 base_addr;
1403  	u32 size;
1404  };
1405  
1406  /* 27: RISC-V PLIC */
1407  struct acpi_madt_plic {
1408  	struct acpi_subtable_header header;
1409  	u8 version;
1410  	u8 id;
1411  	u8 hw_id[8];
1412  	u16 num_irqs;
1413  	u16 max_prio;
1414  	u32 flags;
1415  	u32 size;
1416  	u64 base_addr;
1417  	u32 gsi_base;
1418  };
1419  
1420  /* 80: OEM data */
1421  
1422  struct acpi_madt_oem_data {
1423  	ACPI_FLEX_ARRAY(u8, oem_data);
1424  };
1425  
1426  /*
1427   * Common flags fields for MADT subtables
1428   */
1429  
1430  /* MADT Local APIC flags */
1431  
1432  #define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */
1433  #define ACPI_MADT_ONLINE_CAPABLE    (2)	/* 01: System HW supports enabling processor at runtime */
1434  
1435  /* MADT MPS INTI flags (inti_flags) */
1436  
1437  #define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
1438  #define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */
1439  
1440  /* Values for MPS INTI flags */
1441  
1442  #define ACPI_MADT_POLARITY_CONFORMS       0
1443  #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1444  #define ACPI_MADT_POLARITY_RESERVED       2
1445  #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1446  
1447  #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1448  #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1449  #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1450  #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1451  
1452  /*******************************************************************************
1453   *
1454   * MCFG - PCI Memory Mapped Configuration table and subtable
1455   *        Version 1
1456   *
1457   * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1458   *
1459   ******************************************************************************/
1460  
1461  struct acpi_table_mcfg {
1462  	struct acpi_table_header header;	/* Common ACPI table header */
1463  	u8 reserved[8];
1464  };
1465  
1466  /* Subtable */
1467  
1468  struct acpi_mcfg_allocation {
1469  	u64 address;		/* Base address, processor-relative */
1470  	u16 pci_segment;	/* PCI segment group number */
1471  	u8 start_bus_number;	/* Starting PCI Bus number */
1472  	u8 end_bus_number;	/* Final PCI Bus number */
1473  	u32 reserved;
1474  };
1475  
1476  /*******************************************************************************
1477   *
1478   * MCHI - Management Controller Host Interface Table
1479   *        Version 1
1480   *
1481   * Conforms to "Management Component Transport Protocol (MCTP) Host
1482   * Interface Specification", Revision 1.0.0a, October 13, 2009
1483   *
1484   ******************************************************************************/
1485  
1486  struct acpi_table_mchi {
1487  	struct acpi_table_header header;	/* Common ACPI table header */
1488  	u8 interface_type;
1489  	u8 protocol;
1490  	u64 protocol_data;
1491  	u8 interrupt_type;
1492  	u8 gpe;
1493  	u8 pci_device_flag;
1494  	u32 global_interrupt;
1495  	struct acpi_generic_address control_register;
1496  	u8 pci_segment;
1497  	u8 pci_bus;
1498  	u8 pci_device;
1499  	u8 pci_function;
1500  };
1501  
1502  /*******************************************************************************
1503   *
1504   * MPAM - Memory System Resource Partitioning and Monitoring
1505   *
1506   * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1507   * Document number: ARM DEN 0065, December, 2022.
1508   *
1509   ******************************************************************************/
1510  
1511  /* MPAM RIS locator types. Table 11, Location types */
1512  enum acpi_mpam_locator_type {
1513  	ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1514  	ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1515  	ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1516  	ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1517  	ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1518  	ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1519  	ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1520  };
1521  
1522  /* MPAM Functional dependency descriptor. Table 10 */
1523  struct acpi_mpam_func_deps {
1524  	u32 producer;
1525  	u32 reserved;
1526  };
1527  
1528  /* MPAM Processor cache locator descriptor. Table 13 */
1529  struct acpi_mpam_resource_cache_locator {
1530  	u64 cache_reference;
1531  	u32 reserved;
1532  };
1533  
1534  /* MPAM Memory locator descriptor. Table 14 */
1535  struct acpi_mpam_resource_memory_locator {
1536  	u64 proximity_domain;
1537  	u32 reserved;
1538  };
1539  
1540  /* MPAM SMMU locator descriptor. Table 15 */
1541  struct acpi_mpam_resource_smmu_locator {
1542  	u64 smmu_interface;
1543  	u32 reserved;
1544  };
1545  
1546  /* MPAM Memory-side cache locator descriptor. Table 16 */
1547  struct acpi_mpam_resource_memcache_locator {
1548  	u8 reserved[7];
1549  	u8 level;
1550  	u32 reference;
1551  };
1552  
1553  /* MPAM ACPI device locator descriptor. Table 17 */
1554  struct acpi_mpam_resource_acpi_locator {
1555  	u64 acpi_hw_id;
1556  	u32 acpi_unique_id;
1557  };
1558  
1559  /* MPAM Interconnect locator descriptor. Table 18 */
1560  struct acpi_mpam_resource_interconnect_locator {
1561  	u64 inter_connect_desc_tbl_off;
1562  	u32 reserved;
1563  };
1564  
1565  /* MPAM Locator structure. Table 12 */
1566  struct acpi_mpam_resource_generic_locator {
1567  	u64 descriptor1;
1568  	u32 descriptor2;
1569  };
1570  
1571  union acpi_mpam_resource_locator {
1572  	struct acpi_mpam_resource_cache_locator cache_locator;
1573  	struct acpi_mpam_resource_memory_locator memory_locator;
1574  	struct acpi_mpam_resource_smmu_locator smmu_locator;
1575  	struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1576  	struct acpi_mpam_resource_acpi_locator acpi_locator;
1577  	struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1578  	struct acpi_mpam_resource_generic_locator generic_locator;
1579  };
1580  
1581  /* Memory System Component Resource Node Structure Table 9 */
1582  struct acpi_mpam_resource_node {
1583  	u32 identifier;
1584  	u8 ris_index;
1585  	u16 reserved1;
1586  	u8 locator_type;
1587  	union acpi_mpam_resource_locator locator;
1588  	u32 num_functional_deps;
1589  };
1590  
1591  /* Memory System Component (MSC) Node Structure. Table 4 */
1592  struct acpi_mpam_msc_node {
1593  	u16 length;
1594  	u8 interface_type;
1595  	u8 reserved;
1596  	u32 identifier;
1597  	u64 base_address;
1598  	u32 mmio_size;
1599  	u32 overflow_interrupt;
1600  	u32 overflow_interrupt_flags;
1601  	u32 reserved1;
1602  	u32 overflow_interrupt_affinity;
1603  	u32 error_interrupt;
1604  	u32 error_interrupt_flags;
1605  	u32 reserved2;
1606  	u32 error_interrupt_affinity;
1607  	u32 max_nrdy_usec;
1608  	u64 hardware_id_linked_device;
1609  	u32 instance_id_linked_device;
1610  	u32 num_resource_nodes;
1611  };
1612  
1613  struct acpi_table_mpam {
1614  	struct acpi_table_header header;	/* Common ACPI table header */
1615  };
1616  
1617  /*******************************************************************************
1618   *
1619   * MPST - Memory Power State Table (ACPI 5.0)
1620   *        Version 1
1621   *
1622   ******************************************************************************/
1623  
1624  #define ACPI_MPST_CHANNEL_INFO \
1625  	u8                              channel_id; \
1626  	u8                              reserved1[3]; \
1627  	u16                             power_node_count; \
1628  	u16                             reserved2;
1629  
1630  /* Main table */
1631  
1632  struct acpi_table_mpst {
1633  	struct acpi_table_header header;	/* Common ACPI table header */
1634  	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1635  };
1636  
1637  /* Memory Platform Communication Channel Info */
1638  
1639  struct acpi_mpst_channel {
1640  	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
1641  };
1642  
1643  /* Memory Power Node Structure */
1644  
1645  struct acpi_mpst_power_node {
1646  	u8 flags;
1647  	u8 reserved1;
1648  	u16 node_id;
1649  	u32 length;
1650  	u64 range_address;
1651  	u64 range_length;
1652  	u32 num_power_states;
1653  	u32 num_physical_components;
1654  };
1655  
1656  /* Values for Flags field above */
1657  
1658  #define ACPI_MPST_ENABLED               1
1659  #define ACPI_MPST_POWER_MANAGED         2
1660  #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1661  
1662  /* Memory Power State Structure (follows POWER_NODE above) */
1663  
1664  struct acpi_mpst_power_state {
1665  	u8 power_state;
1666  	u8 info_index;
1667  };
1668  
1669  /* Physical Component ID Structure (follows POWER_STATE above) */
1670  
1671  struct acpi_mpst_component {
1672  	u16 component_id;
1673  };
1674  
1675  /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1676  
1677  struct acpi_mpst_data_hdr {
1678  	u16 characteristics_count;
1679  	u16 reserved;
1680  };
1681  
1682  struct acpi_mpst_power_data {
1683  	u8 structure_id;
1684  	u8 flags;
1685  	u16 reserved1;
1686  	u32 average_power;
1687  	u32 power_saving;
1688  	u64 exit_latency;
1689  	u64 reserved2;
1690  };
1691  
1692  /* Values for Flags field above */
1693  
1694  #define ACPI_MPST_PRESERVE              1
1695  #define ACPI_MPST_AUTOENTRY             2
1696  #define ACPI_MPST_AUTOEXIT              4
1697  
1698  /* Shared Memory Region (not part of an ACPI table) */
1699  
1700  struct acpi_mpst_shared {
1701  	u32 signature;
1702  	u16 pcc_command;
1703  	u16 pcc_status;
1704  	u32 command_register;
1705  	u32 status_register;
1706  	u32 power_state_id;
1707  	u32 power_node_id;
1708  	u64 energy_consumed;
1709  	u64 average_power;
1710  };
1711  
1712  /*******************************************************************************
1713   *
1714   * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1715   *        Version 1
1716   *
1717   ******************************************************************************/
1718  
1719  struct acpi_table_msct {
1720  	struct acpi_table_header header;	/* Common ACPI table header */
1721  	u32 proximity_offset;	/* Location of proximity info struct(s) */
1722  	u32 max_proximity_domains;	/* Max number of proximity domains */
1723  	u32 max_clock_domains;	/* Max number of clock domains */
1724  	u64 max_address;	/* Max physical address in system */
1725  };
1726  
1727  /* subtable - Maximum Proximity Domain Information. Version 1 */
1728  
1729  struct acpi_msct_proximity {
1730  	u8 revision;
1731  	u8 length;
1732  	u32 range_start;	/* Start of domain range */
1733  	u32 range_end;		/* End of domain range */
1734  	u32 processor_capacity;
1735  	u64 memory_capacity;	/* In bytes */
1736  };
1737  
1738  /*******************************************************************************
1739   *
1740   * MSDM - Microsoft Data Management table
1741   *
1742   * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1743   * November 29, 2011. Copyright 2011 Microsoft
1744   *
1745   ******************************************************************************/
1746  
1747  /* Basic MSDM table is only the common ACPI header */
1748  
1749  struct acpi_table_msdm {
1750  	struct acpi_table_header header;	/* Common ACPI table header */
1751  };
1752  
1753  /*******************************************************************************
1754   *
1755   * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1756   *        Version 1
1757   *
1758   ******************************************************************************/
1759  
1760  struct acpi_table_nfit {
1761  	struct acpi_table_header header;	/* Common ACPI table header */
1762  	u32 reserved;		/* Reserved, must be zero */
1763  };
1764  
1765  /* Subtable header for NFIT */
1766  
1767  struct acpi_nfit_header {
1768  	u16 type;
1769  	u16 length;
1770  };
1771  
1772  /* Values for subtable type in struct acpi_nfit_header */
1773  
1774  enum acpi_nfit_type {
1775  	ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1776  	ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1777  	ACPI_NFIT_TYPE_INTERLEAVE = 2,
1778  	ACPI_NFIT_TYPE_SMBIOS = 3,
1779  	ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1780  	ACPI_NFIT_TYPE_DATA_REGION = 5,
1781  	ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1782  	ACPI_NFIT_TYPE_CAPABILITIES = 7,
1783  	ACPI_NFIT_TYPE_RESERVED = 8	/* 8 and greater are reserved */
1784  };
1785  
1786  /*
1787   * NFIT Subtables
1788   */
1789  
1790  /* 0: System Physical Address Range Structure */
1791  
1792  struct acpi_nfit_system_address {
1793  	struct acpi_nfit_header header;
1794  	u16 range_index;
1795  	u16 flags;
1796  	u32 reserved;		/* Reserved, must be zero */
1797  	u32 proximity_domain;
1798  	u8 range_guid[16];
1799  	u64 address;
1800  	u64 length;
1801  	u64 memory_mapping;
1802  	u64 location_cookie;	/* ACPI 6.4 */
1803  };
1804  
1805  /* Flags */
1806  
1807  #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)	/* 00: Add/Online Operation Only */
1808  #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)	/* 01: Proximity Domain Valid */
1809  #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)	/* 02: SPA location cookie valid (ACPI 6.4) */
1810  
1811  /* Range Type GUIDs appear in the include/acuuid.h file */
1812  
1813  /* 1: Memory Device to System Address Range Map Structure */
1814  
1815  struct acpi_nfit_memory_map {
1816  	struct acpi_nfit_header header;
1817  	u32 device_handle;
1818  	u16 physical_id;
1819  	u16 region_id;
1820  	u16 range_index;
1821  	u16 region_index;
1822  	u64 region_size;
1823  	u64 region_offset;
1824  	u64 address;
1825  	u16 interleave_index;
1826  	u16 interleave_ways;
1827  	u16 flags;
1828  	u16 reserved;		/* Reserved, must be zero */
1829  };
1830  
1831  /* Flags */
1832  
1833  #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
1834  #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
1835  #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
1836  #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device is not armed */
1837  #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
1838  #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
1839  #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)	/* 06: Mapping to SPA failed */
1840  
1841  /* 2: Interleave Structure */
1842  
1843  struct acpi_nfit_interleave {
1844  	struct acpi_nfit_header header;
1845  	u16 interleave_index;
1846  	u16 reserved;		/* Reserved, must be zero */
1847  	u32 line_count;
1848  	u32 line_size;
1849  	u32 line_offset[];	/* Variable length */
1850  };
1851  
1852  /* 3: SMBIOS Management Information Structure */
1853  
1854  struct acpi_nfit_smbios {
1855  	struct acpi_nfit_header header;
1856  	u32 reserved;		/* Reserved, must be zero */
1857  	u8 data[];		/* Variable length */
1858  };
1859  
1860  /* 4: NVDIMM Control Region Structure */
1861  
1862  struct acpi_nfit_control_region {
1863  	struct acpi_nfit_header header;
1864  	u16 region_index;
1865  	u16 vendor_id;
1866  	u16 device_id;
1867  	u16 revision_id;
1868  	u16 subsystem_vendor_id;
1869  	u16 subsystem_device_id;
1870  	u16 subsystem_revision_id;
1871  	u8 valid_fields;
1872  	u8 manufacturing_location;
1873  	u16 manufacturing_date;
1874  	u8 reserved[2];		/* Reserved, must be zero */
1875  	u32 serial_number;
1876  	u16 code;
1877  	u16 windows;
1878  	u64 window_size;
1879  	u64 command_offset;
1880  	u64 command_size;
1881  	u64 status_offset;
1882  	u64 status_size;
1883  	u16 flags;
1884  	u8 reserved1[6];	/* Reserved, must be zero */
1885  };
1886  
1887  /* Flags */
1888  
1889  #define ACPI_NFIT_CONTROL_BUFFERED          (1)	/* Block Data Windows implementation is buffered */
1890  
1891  /* valid_fields bits */
1892  
1893  #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1)	/* Manufacturing fields are valid */
1894  
1895  /* 5: NVDIMM Block Data Window Region Structure */
1896  
1897  struct acpi_nfit_data_region {
1898  	struct acpi_nfit_header header;
1899  	u16 region_index;
1900  	u16 windows;
1901  	u64 offset;
1902  	u64 size;
1903  	u64 capacity;
1904  	u64 start_address;
1905  };
1906  
1907  /* 6: Flush Hint Address Structure */
1908  
1909  struct acpi_nfit_flush_address {
1910  	struct acpi_nfit_header header;
1911  	u32 device_handle;
1912  	u16 hint_count;
1913  	u8 reserved[6];		/* Reserved, must be zero */
1914  	u64 hint_address[];	/* Variable length */
1915  };
1916  
1917  /* 7: Platform Capabilities Structure */
1918  
1919  struct acpi_nfit_capabilities {
1920  	struct acpi_nfit_header header;
1921  	u8 highest_capability;
1922  	u8 reserved[3];		/* Reserved, must be zero */
1923  	u32 capabilities;
1924  	u32 reserved2;
1925  };
1926  
1927  /* Capabilities Flags */
1928  
1929  #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)	/* 00: Cache Flush to NVDIMM capable */
1930  #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)	/* 01: Memory Flush to NVDIMM capable */
1931  #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)	/* 02: Memory Mirroring capable */
1932  
1933  /*
1934   * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1935   */
1936  struct nfit_device_handle {
1937  	u32 handle;
1938  };
1939  
1940  /* Device handle construction and extraction macros */
1941  
1942  #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1943  #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1944  #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1945  #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1946  #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1947  
1948  #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1949  #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1950  #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1951  #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1952  #define ACPI_NFIT_NODE_ID_OFFSET                16
1953  
1954  /* Macro to construct a NFIT/NVDIMM device handle */
1955  
1956  #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1957  	((dimm)                                         | \
1958  	((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1959  	((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1960  	((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1961  	((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1962  
1963  /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1964  
1965  #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1966  	((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1967  
1968  #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1969  	(((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1970  
1971  #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1972  	(((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1973  
1974  #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1975  	(((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1976  
1977  #define ACPI_NFIT_GET_NODE_ID(handle) \
1978  	(((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1979  
1980  /*******************************************************************************
1981   *
1982   * NHLT - Non HDAudio Link Table
1983   *        Version 1
1984   *
1985   ******************************************************************************/
1986  
1987  struct acpi_table_nhlt {
1988  	struct acpi_table_header header;	/* Common ACPI table header */
1989  	u8 endpoints_count;
1990  	/*
1991  	 * struct acpi_nhlt_endpoint endpoints[];
1992  	 * struct acpi_nhlt_config oed_config;
1993  	 */
1994  };
1995  
1996  struct acpi_nhlt_endpoint {
1997  	u32 length;
1998  	u8 link_type;
1999  	u8 instance_id;
2000  	u16 vendor_id;
2001  	u16 device_id;
2002  	u16 revision_id;
2003  	u32 subsystem_id;
2004  	u8 device_type;
2005  	u8 direction;
2006  	u8 virtual_bus_id;
2007  	/*
2008  	 * struct acpi_nhlt_config device_config;
2009  	 * struct acpi_nhlt_formats_config formats_config;
2010  	 * struct acpi_nhlt_devices_info devices_info;
2011  	 */
2012  };
2013  
2014  /*
2015   * Values for link_type field above
2016   *
2017   * Only types PDM and SSP are used
2018   */
2019  #define ACPI_NHLT_LINKTYPE_HDA			0
2020  #define ACPI_NHLT_LINKTYPE_DSP			1
2021  #define ACPI_NHLT_LINKTYPE_PDM			2
2022  #define ACPI_NHLT_LINKTYPE_SSP			3
2023  #define ACPI_NHLT_LINKTYPE_SLIMBUS		4
2024  #define ACPI_NHLT_LINKTYPE_SDW			5
2025  #define ACPI_NHLT_LINKTYPE_UAOL			6
2026  
2027  /* Values for device_id field above */
2028  
2029  #define ACPI_NHLT_DEVICEID_DMIC			0xAE20
2030  #define ACPI_NHLT_DEVICEID_BT			0xAE30
2031  #define ACPI_NHLT_DEVICEID_I2S			0xAE34
2032  
2033  /* Values for device_type field above */
2034  
2035  /*
2036   * Device types unique to endpoint of link_type=PDM
2037   *
2038   * Type PDM used for all SKL+ platforms
2039   */
2040  #define ACPI_NHLT_DEVICETYPE_PDM		0
2041  #define ACPI_NHLT_DEVICETYPE_PDM_SKL		1
2042  /* Device types unique to endpoint of link_type=SSP */
2043  #define ACPI_NHLT_DEVICETYPE_BT			0
2044  #define ACPI_NHLT_DEVICETYPE_FM			1
2045  #define ACPI_NHLT_DEVICETYPE_MODEM		2
2046  #define ACPI_NHLT_DEVICETYPE_CODEC		4
2047  
2048  /* Values for Direction field above */
2049  
2050  #define ACPI_NHLT_DIR_RENDER			0
2051  #define ACPI_NHLT_DIR_CAPTURE			1
2052  
2053  struct acpi_nhlt_config {
2054  	u32 capabilities_size;
2055  	u8 capabilities[];
2056  };
2057  
2058  struct acpi_nhlt_gendevice_config {
2059  	u8 virtual_slot;
2060  	u8 config_type;
2061  };
2062  
2063  /* Values for config_type field above */
2064  
2065  #define ACPI_NHLT_CONFIGTYPE_GENERIC		0
2066  #define ACPI_NHLT_CONFIGTYPE_MICARRAY		1
2067  
2068  struct acpi_nhlt_micdevice_config {
2069  	u8 virtual_slot;
2070  	u8 config_type;
2071  	u8 array_type;
2072  };
2073  
2074  /* Values for array_type field above */
2075  
2076  #define ACPI_NHLT_ARRAYTYPE_LINEAR2_SMALL	0xA
2077  #define ACPI_NHLT_ARRAYTYPE_LINEAR2_BIG		0xB
2078  #define ACPI_NHLT_ARRAYTYPE_LINEAR4_GEO1	0xC
2079  #define ACPI_NHLT_ARRAYTYPE_PLANAR4_LSHAPED	0xD
2080  #define ACPI_NHLT_ARRAYTYPE_LINEAR4_GEO2	0xE
2081  #define ACPI_NHLT_ARRAYTYPE_VENDOR		0xF
2082  
2083  struct acpi_nhlt_vendor_mic_config {
2084  	u8 type;
2085  	u8 panel;
2086  	u16 speaker_position_distance;		/* mm */
2087  	u16 horizontal_offset;			/* mm */
2088  	u16 vertical_offset;			/* mm */
2089  	u8 frequency_low_band;			/* 5*Hz */
2090  	u8 frequency_high_band;			/* 500*Hz */
2091  	u16 direction_angle;			/* -180 - +180 */
2092  	u16 elevation_angle;			/* -180 - +180 */
2093  	u16 work_vertical_angle_begin;		/* -180 - +180 with 2 deg step */
2094  	u16 work_vertical_angle_end;		/* -180 - +180 with 2 deg step */
2095  	u16 work_horizontal_angle_begin;	/* -180 - +180 with 2 deg step */
2096  	u16 work_horizontal_angle_end;		/* -180 - +180 with 2 deg step */
2097  };
2098  
2099  /* Values for Type field above */
2100  
2101  #define ACPI_NHLT_MICTYPE_OMNIDIRECTIONAL	0
2102  #define ACPI_NHLT_MICTYPE_SUBCARDIOID		1
2103  #define ACPI_NHLT_MICTYPE_CARDIOID		2
2104  #define ACPI_NHLT_MICTYPE_SUPERCARDIOID		3
2105  #define ACPI_NHLT_MICTYPE_HYPERCARDIOID		4
2106  #define ACPI_NHLT_MICTYPE_8SHAPED		5
2107  #define ACPI_NHLT_MICTYPE_RESERVED		6
2108  #define ACPI_NHLT_MICTYPE_VENDORDEFINED		7
2109  
2110  /* Values for Panel field above */
2111  
2112  #define ACPI_NHLT_MICLOCATION_TOP		0
2113  #define ACPI_NHLT_MICLOCATION_BOTTOM		1
2114  #define ACPI_NHLT_MICLOCATION_LEFT		2
2115  #define ACPI_NHLT_MICLOCATION_RIGHT		3
2116  #define ACPI_NHLT_MICLOCATION_FRONT		4
2117  #define ACPI_NHLT_MICLOCATION_REAR		5
2118  
2119  struct acpi_nhlt_vendor_micdevice_config {
2120  	u8 virtual_slot;
2121  	u8 config_type;
2122  	u8 array_type;
2123  	u8 mics_count;
2124  	struct acpi_nhlt_vendor_mic_config mics[];
2125  };
2126  
2127  union acpi_nhlt_device_config {
2128  	u8 virtual_slot;
2129  	struct acpi_nhlt_gendevice_config gen;
2130  	struct acpi_nhlt_micdevice_config mic;
2131  	struct acpi_nhlt_vendor_micdevice_config vendor_mic;
2132  };
2133  
2134  /* Inherited from Microsoft's WAVEFORMATEXTENSIBLE. */
2135  struct acpi_nhlt_wave_formatext {
2136  	u16 format_tag;
2137  	u16 channel_count;
2138  	u32 samples_per_sec;
2139  	u32 avg_bytes_per_sec;
2140  	u16 block_align;
2141  	u16 bits_per_sample;
2142  	u16 extra_format_size;
2143  	u16 valid_bits_per_sample;
2144  	u32 channel_mask;
2145  	u8 subformat[16];
2146  };
2147  
2148  struct acpi_nhlt_format_config {
2149  	struct acpi_nhlt_wave_formatext format;
2150  	struct acpi_nhlt_config config;
2151  };
2152  
2153  struct acpi_nhlt_formats_config {
2154  	u8 formats_count;
2155  	struct acpi_nhlt_format_config formats[];
2156  };
2157  
2158  struct acpi_nhlt_device_info {
2159  	u8 id[16];
2160  	u8 instance_id;
2161  	u8 port_id;
2162  };
2163  
2164  struct acpi_nhlt_devices_info {
2165  	u8 devices_count;
2166  	struct acpi_nhlt_device_info devices[];
2167  };
2168  
2169  /*******************************************************************************
2170   *
2171   * PCCT - Platform Communications Channel Table (ACPI 5.0)
2172   *        Version 2 (ACPI 6.2)
2173   *
2174   ******************************************************************************/
2175  
2176  struct acpi_table_pcct {
2177  	struct acpi_table_header header;	/* Common ACPI table header */
2178  	u32 flags;
2179  	u64 reserved;
2180  };
2181  
2182  /* Values for Flags field above */
2183  
2184  #define ACPI_PCCT_DOORBELL              1
2185  
2186  /* Values for subtable type in struct acpi_subtable_header */
2187  
2188  enum acpi_pcct_type {
2189  	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2190  	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2191  	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */
2192  	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */
2193  	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */
2194  	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */
2195  	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */
2196  };
2197  
2198  /*
2199   * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2200   */
2201  
2202  /* 0: Generic Communications Subspace */
2203  
2204  struct acpi_pcct_subspace {
2205  	struct acpi_subtable_header header;
2206  	u8 reserved[6];
2207  	u64 base_address;
2208  	u64 length;
2209  	struct acpi_generic_address doorbell_register;
2210  	u64 preserve_mask;
2211  	u64 write_mask;
2212  	u32 latency;
2213  	u32 max_access_rate;
2214  	u16 min_turnaround_time;
2215  };
2216  
2217  /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2218  
2219  struct acpi_pcct_hw_reduced {
2220  	struct acpi_subtable_header header;
2221  	u32 platform_interrupt;
2222  	u8 flags;
2223  	u8 reserved;
2224  	u64 base_address;
2225  	u64 length;
2226  	struct acpi_generic_address doorbell_register;
2227  	u64 preserve_mask;
2228  	u64 write_mask;
2229  	u32 latency;
2230  	u32 max_access_rate;
2231  	u16 min_turnaround_time;
2232  };
2233  
2234  /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2235  
2236  struct acpi_pcct_hw_reduced_type2 {
2237  	struct acpi_subtable_header header;
2238  	u32 platform_interrupt;
2239  	u8 flags;
2240  	u8 reserved;
2241  	u64 base_address;
2242  	u64 length;
2243  	struct acpi_generic_address doorbell_register;
2244  	u64 preserve_mask;
2245  	u64 write_mask;
2246  	u32 latency;
2247  	u32 max_access_rate;
2248  	u16 min_turnaround_time;
2249  	struct acpi_generic_address platform_ack_register;
2250  	u64 ack_preserve_mask;
2251  	u64 ack_write_mask;
2252  };
2253  
2254  /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2255  
2256  struct acpi_pcct_ext_pcc_master {
2257  	struct acpi_subtable_header header;
2258  	u32 platform_interrupt;
2259  	u8 flags;
2260  	u8 reserved1;
2261  	u64 base_address;
2262  	u32 length;
2263  	struct acpi_generic_address doorbell_register;
2264  	u64 preserve_mask;
2265  	u64 write_mask;
2266  	u32 latency;
2267  	u32 max_access_rate;
2268  	u32 min_turnaround_time;
2269  	struct acpi_generic_address platform_ack_register;
2270  	u64 ack_preserve_mask;
2271  	u64 ack_set_mask;
2272  	u64 reserved2;
2273  	struct acpi_generic_address cmd_complete_register;
2274  	u64 cmd_complete_mask;
2275  	struct acpi_generic_address cmd_update_register;
2276  	u64 cmd_update_preserve_mask;
2277  	u64 cmd_update_set_mask;
2278  	struct acpi_generic_address error_status_register;
2279  	u64 error_status_mask;
2280  };
2281  
2282  /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2283  
2284  struct acpi_pcct_ext_pcc_slave {
2285  	struct acpi_subtable_header header;
2286  	u32 platform_interrupt;
2287  	u8 flags;
2288  	u8 reserved1;
2289  	u64 base_address;
2290  	u32 length;
2291  	struct acpi_generic_address doorbell_register;
2292  	u64 preserve_mask;
2293  	u64 write_mask;
2294  	u32 latency;
2295  	u32 max_access_rate;
2296  	u32 min_turnaround_time;
2297  	struct acpi_generic_address platform_ack_register;
2298  	u64 ack_preserve_mask;
2299  	u64 ack_set_mask;
2300  	u64 reserved2;
2301  	struct acpi_generic_address cmd_complete_register;
2302  	u64 cmd_complete_mask;
2303  	struct acpi_generic_address cmd_update_register;
2304  	u64 cmd_update_preserve_mask;
2305  	u64 cmd_update_set_mask;
2306  	struct acpi_generic_address error_status_register;
2307  	u64 error_status_mask;
2308  };
2309  
2310  /* 5: HW Registers based Communications Subspace */
2311  
2312  struct acpi_pcct_hw_reg {
2313  	struct acpi_subtable_header header;
2314  	u16 version;
2315  	u64 base_address;
2316  	u64 length;
2317  	struct acpi_generic_address doorbell_register;
2318  	u64 doorbell_preserve;
2319  	u64 doorbell_write;
2320  	struct acpi_generic_address cmd_complete_register;
2321  	u64 cmd_complete_mask;
2322  	struct acpi_generic_address error_status_register;
2323  	u64 error_status_mask;
2324  	u32 nominal_latency;
2325  	u32 min_turnaround_time;
2326  };
2327  
2328  /* Values for doorbell flags above */
2329  
2330  #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2331  #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2332  
2333  /*
2334   * PCC memory structures (not part of the ACPI table)
2335   */
2336  
2337  /* Shared Memory Region */
2338  
2339  struct acpi_pcct_shared_memory {
2340  	u32 signature;
2341  	u16 command;
2342  	u16 status;
2343  };
2344  
2345  /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2346  
2347  struct acpi_pcct_ext_pcc_shared_memory {
2348  	u32 signature;
2349  	u32 flags;
2350  	u32 length;
2351  	u32 command;
2352  };
2353  
2354  /*******************************************************************************
2355   *
2356   * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2357   *        Version 0
2358   *
2359   ******************************************************************************/
2360  
2361  struct acpi_table_pdtt {
2362  	struct acpi_table_header header;	/* Common ACPI table header */
2363  	u8 trigger_count;
2364  	u8 reserved[3];
2365  	u32 array_offset;
2366  };
2367  
2368  /*
2369   * PDTT Communication Channel Identifier Structure.
2370   * The number of these structures is defined by trigger_count above,
2371   * starting at array_offset.
2372   */
2373  struct acpi_pdtt_channel {
2374  	u8 subchannel_id;
2375  	u8 flags;
2376  };
2377  
2378  /* Flags for above */
2379  
2380  #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2381  #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2382  #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2383  
2384  /*******************************************************************************
2385   *
2386   * PHAT - Platform Health Assessment Table (ACPI 6.4)
2387   *        Version 1
2388   *
2389   ******************************************************************************/
2390  
2391  struct acpi_table_phat {
2392  	struct acpi_table_header header;	/* Common ACPI table header */
2393  };
2394  
2395  /* Common header for PHAT subtables that follow main table */
2396  
2397  struct acpi_phat_header {
2398  	u16 type;
2399  	u16 length;
2400  	u8 revision;
2401  };
2402  
2403  /* Values for Type field above */
2404  
2405  #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2406  #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2407  #define ACPI_PHAT_TYPE_RESERVED         2	/* 0x02-0xFFFF are reserved */
2408  
2409  /*
2410   * PHAT subtables, correspond to Type in struct acpi_phat_header
2411   */
2412  
2413  /* 0: Firmware Version Data Record */
2414  
2415  struct acpi_phat_version_data {
2416  	struct acpi_phat_header header;
2417  	u8 reserved[3];
2418  	u32 element_count;
2419  };
2420  
2421  struct acpi_phat_version_element {
2422  	u8 guid[16];
2423  	u64 version_value;
2424  	u32 producer_id;
2425  };
2426  
2427  /* 1: Firmware Health Data Record */
2428  
2429  struct acpi_phat_health_data {
2430  	struct acpi_phat_header header;
2431  	u8 reserved[2];
2432  	u8 health;
2433  	u8 device_guid[16];
2434  	u32 device_specific_offset;	/* Zero if no Device-specific data */
2435  };
2436  
2437  /* Values for Health field above */
2438  
2439  #define ACPI_PHAT_ERRORS_FOUND          0
2440  #define ACPI_PHAT_NO_ERRORS             1
2441  #define ACPI_PHAT_UNKNOWN_ERRORS        2
2442  #define ACPI_PHAT_ADVISORY              3
2443  
2444  /*******************************************************************************
2445   *
2446   * PMTT - Platform Memory Topology Table (ACPI 5.0)
2447   *        Version 1
2448   *
2449   ******************************************************************************/
2450  
2451  struct acpi_table_pmtt {
2452  	struct acpi_table_header header;	/* Common ACPI table header */
2453  	u32 memory_device_count;
2454  	/*
2455  	 * Immediately followed by:
2456  	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2457  	 */
2458  };
2459  
2460  /* Common header for PMTT subtables that follow main table */
2461  
2462  struct acpi_pmtt_header {
2463  	u8 type;
2464  	u8 reserved1;
2465  	u16 length;
2466  	u16 flags;
2467  	u16 reserved2;
2468  	u32 memory_device_count;	/* Zero means no memory device structs follow */
2469  	/*
2470  	 * Immediately followed by:
2471  	 * u8 type_specific_data[]
2472  	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2473  	 */
2474  };
2475  
2476  /* Values for Type field above */
2477  
2478  #define ACPI_PMTT_TYPE_SOCKET           0
2479  #define ACPI_PMTT_TYPE_CONTROLLER       1
2480  #define ACPI_PMTT_TYPE_DIMM             2
2481  #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFE are reserved */
2482  #define ACPI_PMTT_TYPE_VENDOR           0xFF
2483  
2484  /* Values for Flags field above */
2485  
2486  #define ACPI_PMTT_TOP_LEVEL             0x0001
2487  #define ACPI_PMTT_PHYSICAL              0x0002
2488  #define ACPI_PMTT_MEMORY_TYPE           0x000C
2489  
2490  /*
2491   * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2492   */
2493  
2494  /* 0: Socket Structure */
2495  
2496  struct acpi_pmtt_socket {
2497  	struct acpi_pmtt_header header;
2498  	u16 socket_id;
2499  	u16 reserved;
2500  };
2501  	/*
2502  	 * Immediately followed by:
2503  	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2504  	 */
2505  
2506  /* 1: Memory Controller subtable */
2507  
2508  struct acpi_pmtt_controller {
2509  	struct acpi_pmtt_header header;
2510  	u16 controller_id;
2511  	u16 reserved;
2512  };
2513  	/*
2514  	 * Immediately followed by:
2515  	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2516  	 */
2517  
2518  /* 2: Physical Component Identifier (DIMM) */
2519  
2520  struct acpi_pmtt_physical_component {
2521  	struct acpi_pmtt_header header;
2522  	u32 bios_handle;
2523  };
2524  
2525  /* 0xFF: Vendor Specific Data */
2526  
2527  struct acpi_pmtt_vendor_specific {
2528  	struct acpi_pmtt_header header;
2529  	u8 type_uuid[16];
2530  	u8 specific[];
2531  	/*
2532  	 * Immediately followed by:
2533  	 * u8 vendor_specific_data[];
2534  	 * MEMORY_DEVICE memory_device_struct[memory_device_count];
2535  	 */
2536  };
2537  
2538  /*******************************************************************************
2539   *
2540   * PPTT - Processor Properties Topology Table (ACPI 6.2)
2541   *        Version 1
2542   *
2543   ******************************************************************************/
2544  
2545  struct acpi_table_pptt {
2546  	struct acpi_table_header header;	/* Common ACPI table header */
2547  };
2548  
2549  /* Values for Type field above */
2550  
2551  enum acpi_pptt_type {
2552  	ACPI_PPTT_TYPE_PROCESSOR = 0,
2553  	ACPI_PPTT_TYPE_CACHE = 1,
2554  	ACPI_PPTT_TYPE_ID = 2,
2555  	ACPI_PPTT_TYPE_RESERVED = 3
2556  };
2557  
2558  /* 0: Processor Hierarchy Node Structure */
2559  
2560  struct acpi_pptt_processor {
2561  	struct acpi_subtable_header header;
2562  	u16 reserved;
2563  	u32 flags;
2564  	u32 parent;
2565  	u32 acpi_processor_id;
2566  	u32 number_of_priv_resources;
2567  };
2568  
2569  /* Flags */
2570  
2571  #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2572  #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2573  #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)	/* ACPI 6.3 */
2574  #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)	/* ACPI 6.3 */
2575  #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)	/* ACPI 6.3 */
2576  
2577  /* 1: Cache Type Structure */
2578  
2579  struct acpi_pptt_cache {
2580  	struct acpi_subtable_header header;
2581  	u16 reserved;
2582  	u32 flags;
2583  	u32 next_level_of_cache;
2584  	u32 size;
2585  	u32 number_of_sets;
2586  	u8 associativity;
2587  	u8 attributes;
2588  	u16 line_size;
2589  };
2590  
2591  /* 1: Cache Type Structure for PPTT version 3 */
2592  
2593  struct acpi_pptt_cache_v1 {
2594  	u32 cache_id;
2595  };
2596  
2597  /* Flags */
2598  
2599  #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1)	/* Physical property valid */
2600  #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)	/* Number of sets valid */
2601  #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)	/* Associativity valid */
2602  #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)	/* Allocation type valid */
2603  #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)	/* Cache type valid */
2604  #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)	/* Write policy valid */
2605  #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)	/* Line size valid */
2606  #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)	/* Cache ID valid */
2607  
2608  /* Masks for Attributes */
2609  
2610  #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)	/* Allocation type */
2611  #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)	/* Cache type */
2612  #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)	/* Write policy */
2613  
2614  /* Attributes describing cache */
2615  #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)	/* Cache line is allocated on read */
2616  #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)	/* Cache line is allocated on write */
2617  #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)	/* Cache line is allocated on read and write */
2618  #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)	/* Alternate representation of above */
2619  
2620  #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)	/* Data cache */
2621  #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)	/* Instruction cache */
2622  #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)	/* Unified I & D cache */
2623  #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)	/* Alternate representation of above */
2624  
2625  #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)	/* Cache is write back */
2626  #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)	/* Cache is write through */
2627  
2628  /* 2: ID Structure */
2629  
2630  struct acpi_pptt_id {
2631  	struct acpi_subtable_header header;
2632  	u16 reserved;
2633  	u32 vendor_id;
2634  	u64 level1_id;
2635  	u64 level2_id;
2636  	u16 major_rev;
2637  	u16 minor_rev;
2638  	u16 spin_rev;
2639  };
2640  
2641  /*******************************************************************************
2642   *
2643   * PRMT - Platform Runtime Mechanism Table
2644   *        Version 1
2645   *
2646   ******************************************************************************/
2647  
2648  struct acpi_table_prmt {
2649  	struct acpi_table_header header;	/* Common ACPI table header */
2650  };
2651  
2652  struct acpi_table_prmt_header {
2653  	u8 platform_guid[16];
2654  	u32 module_info_offset;
2655  	u32 module_info_count;
2656  };
2657  
2658  struct acpi_prmt_module_header {
2659  	u16 revision;
2660  	u16 length;
2661  };
2662  
2663  struct acpi_prmt_module_info {
2664  	u16 revision;
2665  	u16 length;
2666  	u8 module_guid[16];
2667  	u16 major_rev;
2668  	u16 minor_rev;
2669  	u16 handler_info_count;
2670  	u32 handler_info_offset;
2671  	u64 mmio_list_pointer;
2672  };
2673  
2674  struct acpi_prmt_handler_info {
2675  	u16 revision;
2676  	u16 length;
2677  	u8 handler_guid[16];
2678  	u64 handler_address;
2679  	u64 static_data_buffer_address;
2680  	u64 acpi_param_buffer_address;
2681  };
2682  
2683  /*******************************************************************************
2684   *
2685   * RASF - RAS Feature Table (ACPI 5.0)
2686   *        Version 1
2687   *
2688   ******************************************************************************/
2689  
2690  struct acpi_table_rasf {
2691  	struct acpi_table_header header;	/* Common ACPI table header */
2692  	u8 channel_id[12];
2693  };
2694  
2695  /* RASF Platform Communication Channel Shared Memory Region */
2696  
2697  struct acpi_rasf_shared_memory {
2698  	u32 signature;
2699  	u16 command;
2700  	u16 status;
2701  	u16 version;
2702  	u8 capabilities[16];
2703  	u8 set_capabilities[16];
2704  	u16 num_parameter_blocks;
2705  	u32 set_capabilities_status;
2706  };
2707  
2708  /* RASF Parameter Block Structure Header */
2709  
2710  struct acpi_rasf_parameter_block {
2711  	u16 type;
2712  	u16 version;
2713  	u16 length;
2714  };
2715  
2716  /* RASF Parameter Block Structure for PATROL_SCRUB */
2717  
2718  struct acpi_rasf_patrol_scrub_parameter {
2719  	struct acpi_rasf_parameter_block header;
2720  	u16 patrol_scrub_command;
2721  	u64 requested_address_range[2];
2722  	u64 actual_address_range[2];
2723  	u16 flags;
2724  	u8 requested_speed;
2725  };
2726  
2727  /* Masks for Flags and Speed fields above */
2728  
2729  #define ACPI_RASF_SCRUBBER_RUNNING      1
2730  #define ACPI_RASF_SPEED                 (7<<1)
2731  #define ACPI_RASF_SPEED_SLOW            (0<<1)
2732  #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2733  #define ACPI_RASF_SPEED_FAST            (7<<1)
2734  
2735  /* Channel Commands */
2736  
2737  enum acpi_rasf_commands {
2738  	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2739  };
2740  
2741  /* Platform RAS Capabilities */
2742  
2743  enum acpi_rasf_capabiliities {
2744  	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2745  	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2746  };
2747  
2748  /* Patrol Scrub Commands */
2749  
2750  enum acpi_rasf_patrol_scrub_commands {
2751  	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2752  	ACPI_RASF_START_PATROL_SCRUBBER = 2,
2753  	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2754  };
2755  
2756  /* Channel Command flags */
2757  
2758  #define ACPI_RASF_GENERATE_SCI          (1<<15)
2759  
2760  /* Status values */
2761  
2762  enum acpi_rasf_status {
2763  	ACPI_RASF_SUCCESS = 0,
2764  	ACPI_RASF_NOT_VALID = 1,
2765  	ACPI_RASF_NOT_SUPPORTED = 2,
2766  	ACPI_RASF_BUSY = 3,
2767  	ACPI_RASF_FAILED = 4,
2768  	ACPI_RASF_ABORTED = 5,
2769  	ACPI_RASF_INVALID_DATA = 6
2770  };
2771  
2772  /* Status flags */
2773  
2774  #define ACPI_RASF_COMMAND_COMPLETE      (1)
2775  #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2776  #define ACPI_RASF_ERROR                 (1<<2)
2777  #define ACPI_RASF_STATUS                (0x1F<<3)
2778  
2779  /*******************************************************************************
2780   *
2781   * RAS2 - RAS2 Feature Table (ACPI 6.5)
2782   *        Version 1
2783   *
2784   *
2785   ******************************************************************************/
2786  
2787  struct acpi_table_ras2 {
2788  	struct acpi_table_header header;	/* Common ACPI table header */
2789  	u16 reserved;
2790  	u16 num_pcc_descs;
2791  };
2792  
2793  /* RAS2 Platform Communication Channel Descriptor */
2794  
2795  struct acpi_ras2_pcc_desc {
2796  	u8 channel_id;
2797  	u16 reserved;
2798  	u8 feature_type;
2799  	u32 instance;
2800  };
2801  
2802  /* RAS2 Platform Communication Channel Shared Memory Region */
2803  
2804  struct acpi_ras2_shared_memory {
2805  	u32 signature;
2806  	u16 command;
2807  	u16 status;
2808  	u16 version;
2809  	u8 features[16];
2810  	u8 set_capabilities[16];
2811  	u16 num_parameter_blocks;
2812  	u32 set_capabilities_status;
2813  };
2814  
2815  /* RAS2 Parameter Block Structure for PATROL_SCRUB */
2816  
2817  struct acpi_ras2_parameter_block {
2818  	u16 type;
2819  	u16 version;
2820  	u16 length;
2821  };
2822  
2823  /* RAS2 Parameter Block Structure for PATROL_SCRUB */
2824  
2825  struct acpi_ras2_patrol_scrub_parameter {
2826  	struct acpi_ras2_parameter_block header;
2827  	u16 patrol_scrub_command;
2828  	u64 requested_address_range[2];
2829  	u64 actual_address_range[2];
2830  	u32 flags;
2831  	u32 scrub_params_out;
2832  	u32 scrub_params_in;
2833  };
2834  
2835  /* Masks for Flags field above */
2836  
2837  #define ACPI_RAS2_SCRUBBER_RUNNING      1
2838  
2839  /* RAS2 Parameter Block Structure for LA2PA_TRANSLATION */
2840  
2841  struct acpi_ras2_la2pa_translation_parameter {
2842  	struct acpi_ras2_parameter_block header;
2843  	u16 addr_translation_command;
2844  	u64 sub_inst_id;
2845  	u64 logical_address;
2846  	u64 physical_address;
2847  	u32 status;
2848  };
2849  
2850  /* Channel Commands */
2851  
2852  enum acpi_ras2_commands {
2853  	ACPI_RAS2_EXECUTE_RAS2_COMMAND = 1
2854  };
2855  
2856  /* Platform RAS2 Features */
2857  
2858  enum acpi_ras2_features {
2859  	ACPI_RAS2_PATROL_SCRUB_SUPPORTED = 0,
2860  	ACPI_RAS2_LA2PA_TRANSLATION = 1
2861  };
2862  
2863  /* RAS2 Patrol Scrub Commands */
2864  
2865  enum acpi_ras2_patrol_scrub_commands {
2866  	ACPI_RAS2_GET_PATROL_PARAMETERS = 1,
2867  	ACPI_RAS2_START_PATROL_SCRUBBER = 2,
2868  	ACPI_RAS2_STOP_PATROL_SCRUBBER = 3
2869  };
2870  
2871  /* RAS2 LA2PA Translation Commands */
2872  
2873  enum acpi_ras2_la2_pa_translation_commands {
2874  	ACPI_RAS2_GET_LA2PA_TRANSLATION = 1,
2875  };
2876  
2877  /* RAS2 LA2PA Translation Status values */
2878  
2879  enum acpi_ras2_la2_pa_translation_status {
2880  	ACPI_RAS2_LA2PA_TRANSLATION_SUCCESS = 0,
2881  	ACPI_RAS2_LA2PA_TRANSLATION_FAIL = 1,
2882  };
2883  
2884  /* Channel Command flags */
2885  
2886  #define ACPI_RAS2_GENERATE_SCI          (1<<15)
2887  
2888  /* Status values */
2889  
2890  enum acpi_ras2_status {
2891  	ACPI_RAS2_SUCCESS = 0,
2892  	ACPI_RAS2_NOT_VALID = 1,
2893  	ACPI_RAS2_NOT_SUPPORTED = 2,
2894  	ACPI_RAS2_BUSY = 3,
2895  	ACPI_RAS2_FAILED = 4,
2896  	ACPI_RAS2_ABORTED = 5,
2897  	ACPI_RAS2_INVALID_DATA = 6
2898  };
2899  
2900  /* Status flags */
2901  
2902  #define ACPI_RAS2_COMMAND_COMPLETE      (1)
2903  #define ACPI_RAS2_SCI_DOORBELL          (1<<1)
2904  #define ACPI_RAS2_ERROR                 (1<<2)
2905  #define ACPI_RAS2_STATUS                (0x1F<<3)
2906  
2907  /*******************************************************************************
2908   *
2909   * RGRT - Regulatory Graphics Resource Table
2910   *        Version 1
2911   *
2912   * Conforms to "ACPI RGRT" available at:
2913   * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2914   *
2915   ******************************************************************************/
2916  
2917  struct acpi_table_rgrt {
2918  	struct acpi_table_header header;	/* Common ACPI table header */
2919  	u16 version;
2920  	u8 image_type;
2921  	u8 reserved;
2922  	u8 image[];
2923  };
2924  
2925  /* image_type values */
2926  
2927  enum acpi_rgrt_image_type {
2928  	ACPI_RGRT_TYPE_RESERVED0 = 0,
2929  	ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2930  	ACPI_RGRT_TYPE_RESERVED = 2	/* 2 and greater are reserved */
2931  };
2932  
2933  /*******************************************************************************
2934   *
2935   * RHCT - RISC-V Hart Capabilities Table
2936   *        Version 1
2937   *
2938   ******************************************************************************/
2939  
2940  struct acpi_table_rhct {
2941  	struct acpi_table_header header;	/* Common ACPI table header */
2942  	u32 flags;		/* RHCT flags */
2943  	u64 time_base_freq;
2944  	u32 node_count;
2945  	u32 node_offset;
2946  };
2947  
2948  /* RHCT Flags */
2949  
2950  #define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU       (1)
2951  /*
2952   * RHCT subtables
2953   */
2954  struct acpi_rhct_node_header {
2955  	u16 type;
2956  	u16 length;
2957  	u16 revision;
2958  };
2959  
2960  /* Values for RHCT subtable Type above */
2961  
2962  enum acpi_rhct_node_type {
2963  	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
2964  	ACPI_RHCT_NODE_TYPE_CMO = 0x0001,
2965  	ACPI_RHCT_NODE_TYPE_MMU = 0x0002,
2966  	ACPI_RHCT_NODE_TYPE_RESERVED = 0x0003,
2967  	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
2968  };
2969  
2970  /*
2971   * RHCT node specific subtables
2972   */
2973  
2974  /* ISA string node structure */
2975  struct acpi_rhct_isa_string {
2976  	u16 isa_length;
2977  	char isa[];
2978  };
2979  
2980  struct acpi_rhct_cmo_node {
2981  	u8 reserved;		/* Must be zero */
2982  	u8 cbom_size;		/* CBOM size in powerof 2 */
2983  	u8 cbop_size;		/* CBOP size in powerof 2 */
2984  	u8 cboz_size;		/* CBOZ size in powerof 2 */
2985  };
2986  
2987  struct acpi_rhct_mmu_node {
2988  	u8 reserved;		/* Must be zero */
2989  	u8 mmu_type;		/* Virtual Address Scheme */
2990  };
2991  
2992  enum acpi_rhct_mmu_type {
2993  	ACPI_RHCT_MMU_TYPE_SV39 = 0,
2994  	ACPI_RHCT_MMU_TYPE_SV48 = 1,
2995  	ACPI_RHCT_MMU_TYPE_SV57 = 2
2996  };
2997  
2998  /* Hart Info node structure */
2999  struct acpi_rhct_hart_info {
3000  	u16 num_offsets;
3001  	u32 uid;		/* ACPI processor UID */
3002  };
3003  
3004  /*******************************************************************************
3005   *
3006   * SBST - Smart Battery Specification Table
3007   *        Version 1
3008   *
3009   ******************************************************************************/
3010  
3011  struct acpi_table_sbst {
3012  	struct acpi_table_header header;	/* Common ACPI table header */
3013  	u32 warning_level;
3014  	u32 low_level;
3015  	u32 critical_level;
3016  };
3017  
3018  /*******************************************************************************
3019   *
3020   * SDEI - Software Delegated Exception Interface Descriptor Table
3021   *
3022   * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
3023   * May 8th, 2017. Copyright 2017 ARM Ltd.
3024   *
3025   ******************************************************************************/
3026  
3027  struct acpi_table_sdei {
3028  	struct acpi_table_header header;	/* Common ACPI table header */
3029  };
3030  
3031  /*******************************************************************************
3032   *
3033   * SDEV - Secure Devices Table (ACPI 6.2)
3034   *        Version 1
3035   *
3036   ******************************************************************************/
3037  
3038  struct acpi_table_sdev {
3039  	struct acpi_table_header header;	/* Common ACPI table header */
3040  };
3041  
3042  struct acpi_sdev_header {
3043  	u8 type;
3044  	u8 flags;
3045  	u16 length;
3046  };
3047  
3048  /* Values for subtable type above */
3049  
3050  enum acpi_sdev_type {
3051  	ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
3052  	ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
3053  	ACPI_SDEV_TYPE_RESERVED = 2	/* 2 and greater are reserved */
3054  };
3055  
3056  /* Values for flags above */
3057  
3058  #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
3059  #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
3060  
3061  /*
3062   * SDEV subtables
3063   */
3064  
3065  /* 0: Namespace Device Based Secure Device Structure */
3066  
3067  struct acpi_sdev_namespace {
3068  	struct acpi_sdev_header header;
3069  	u16 device_id_offset;
3070  	u16 device_id_length;
3071  	u16 vendor_data_offset;
3072  	u16 vendor_data_length;
3073  };
3074  
3075  struct acpi_sdev_secure_component {
3076  	u16 secure_component_offset;
3077  	u16 secure_component_length;
3078  };
3079  
3080  /*
3081   * SDEV sub-subtables ("Components") for above
3082   */
3083  struct acpi_sdev_component {
3084  	struct acpi_sdev_header header;
3085  };
3086  
3087  /* Values for sub-subtable type above */
3088  
3089  enum acpi_sac_type {
3090  	ACPI_SDEV_TYPE_ID_COMPONENT = 0,
3091  	ACPI_SDEV_TYPE_MEM_COMPONENT = 1
3092  };
3093  
3094  struct acpi_sdev_id_component {
3095  	struct acpi_sdev_header header;
3096  	u16 hardware_id_offset;
3097  	u16 hardware_id_length;
3098  	u16 subsystem_id_offset;
3099  	u16 subsystem_id_length;
3100  	u16 hardware_revision;
3101  	u8 hardware_rev_present;
3102  	u8 class_code_present;
3103  	u8 pci_base_class;
3104  	u8 pci_sub_class;
3105  	u8 pci_programming_xface;
3106  };
3107  
3108  struct acpi_sdev_mem_component {
3109  	struct acpi_sdev_header header;
3110  	u32 reserved;
3111  	u64 memory_base_address;
3112  	u64 memory_length;
3113  };
3114  
3115  /* 1: PCIe Endpoint Device Based Device Structure */
3116  
3117  struct acpi_sdev_pcie {
3118  	struct acpi_sdev_header header;
3119  	u16 segment;
3120  	u16 start_bus;
3121  	u16 path_offset;
3122  	u16 path_length;
3123  	u16 vendor_data_offset;
3124  	u16 vendor_data_length;
3125  };
3126  
3127  /* 1a: PCIe Endpoint path entry */
3128  
3129  struct acpi_sdev_pcie_path {
3130  	u8 device;
3131  	u8 function;
3132  };
3133  
3134  /*******************************************************************************
3135   *
3136   * SVKL - Storage Volume Key Location Table (ACPI 6.4)
3137   *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3138   *        Trust Domain Extensions (Intel TDX)".
3139   *        Version 1
3140   *
3141   ******************************************************************************/
3142  
3143  struct acpi_table_svkl {
3144  	struct acpi_table_header header;	/* Common ACPI table header */
3145  	u32 count;
3146  };
3147  
3148  struct acpi_svkl_key {
3149  	u16 type;
3150  	u16 format;
3151  	u32 size;
3152  	u64 address;
3153  };
3154  
3155  enum acpi_svkl_type {
3156  	ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
3157  	ACPI_SVKL_TYPE_RESERVED = 1	/* 1 and greater are reserved */
3158  };
3159  
3160  enum acpi_svkl_format {
3161  	ACPI_SVKL_FORMAT_RAW_BINARY = 0,
3162  	ACPI_SVKL_FORMAT_RESERVED = 1	/* 1 and greater are reserved */
3163  };
3164  
3165  /*******************************************************************************
3166   *
3167   * TDEL - TD-Event Log
3168   *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3169   *        Trust Domain Extensions (Intel TDX)".
3170   *        September 2020
3171   *
3172   ******************************************************************************/
3173  
3174  struct acpi_table_tdel {
3175  	struct acpi_table_header header;	/* Common ACPI table header */
3176  	u32 reserved;
3177  	u64 log_area_minimum_length;
3178  	u64 log_area_start_address;
3179  };
3180  
3181  /* Reset to default packing */
3182  
3183  #pragma pack()
3184  
3185  #endif				/* __ACTBL2_H__ */
3186