xref: /openbmc/linux/include/acpi/actbl3.h (revision 4323cc4d)
1 /******************************************************************************
2  *
3  * Name: actbl3.h - ACPI Table Definitions
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2013, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACTBL3_H__
45 #define __ACTBL3_H__
46 
47 /*******************************************************************************
48  *
49  * Additional ACPI Tables (3)
50  *
51  * These tables are not consumed directly by the ACPICA subsystem, but are
52  * included here to support device drivers and the AML disassembler.
53  *
54  * The tables in this file are fully defined within the ACPI specification.
55  *
56  ******************************************************************************/
57 
58 /*
59  * Values for description table header signatures for tables defined in this
60  * file. Useful because they make it more difficult to inadvertently type in
61  * the wrong signature.
62  */
63 #define ACPI_SIG_BGRT           "BGRT"	/* Boot Graphics Resource Table */
64 #define ACPI_SIG_DRTM           "DRTM"	/* Dynamic Root of Trust for Measurement table */
65 #define ACPI_SIG_FPDT           "FPDT"	/* Firmware Performance Data Table */
66 #define ACPI_SIG_GTDT           "GTDT"	/* Generic Timer Description Table */
67 #define ACPI_SIG_MPST           "MPST"	/* Memory Power State Table */
68 #define ACPI_SIG_PCCT           "PCCT"	/* Platform Communications Channel Table */
69 #define ACPI_SIG_PMTT           "PMTT"	/* Platform Memory Topology Table */
70 #define ACPI_SIG_RASF           "RASF"	/* RAS Feature table */
71 #define ACPI_SIG_TPM2           "TPM2"	/* Trusted Platform Module 2.0 H/W interface table */
72 
73 #define ACPI_SIG_S3PT           "S3PT"	/* S3 Performance (sub)Table */
74 #define ACPI_SIG_PCCS           "PCC"	/* PCC Shared Memory Region */
75 
76 /* Reserved table signatures */
77 
78 #define ACPI_SIG_MATR           "MATR"	/* Memory Address Translation Table */
79 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
80 #define ACPI_SIG_WPBT           "WPBT"	/* Windows Platform Binary Table */
81 
82 /*
83  * All tables must be byte-packed to match the ACPI specification, since
84  * the tables are provided by the system BIOS.
85  */
86 #pragma pack(1)
87 
88 /*
89  * Note: C bitfields are not used for this reason:
90  *
91  * "Bitfields are great and easy to read, but unfortunately the C language
92  * does not specify the layout of bitfields in memory, which means they are
93  * essentially useless for dealing with packed data in on-disk formats or
94  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
95  * this decision was a design error in C. Ritchie could have picked an order
96  * and stuck with it." Norman Ramsey.
97  * See http://stackoverflow.com/a/1053662/41661
98  */
99 
100 /*******************************************************************************
101  *
102  * BGRT - Boot Graphics Resource Table (ACPI 5.0)
103  *        Version 1
104  *
105  ******************************************************************************/
106 
107 struct acpi_table_bgrt {
108 	struct acpi_table_header header;	/* Common ACPI table header */
109 	u16 version;
110 	u8 status;
111 	u8 image_type;
112 	u64 image_address;
113 	u32 image_offset_x;
114 	u32 image_offset_y;
115 };
116 
117 /*******************************************************************************
118  *
119  * DRTM - Dynamic Root of Trust for Measurement table
120  *
121  ******************************************************************************/
122 
123 struct acpi_table_drtm {
124 	struct acpi_table_header header;	/* Common ACPI table header */
125 	u64 entry_base_address;
126 	u64 entry_length;
127 	u32 entry_address32;
128 	u64 entry_address64;
129 	u64 exit_address;
130 	u64 log_area_address;
131 	u32 log_area_length;
132 	u64 arch_dependent_address;
133 	u32 flags;
134 };
135 
136 /* 1) Validated Tables List */
137 
138 struct acpi_drtm_vtl_list {
139 	u32 validated_table_list_count;
140 };
141 
142 /* 2) Resources List */
143 
144 struct acpi_drtm_resource_list {
145 	u32 resource_list_count;
146 };
147 
148 /* 3) Platform-specific Identifiers List */
149 
150 struct acpi_drtm_id_list {
151 	u32 id_list_count;
152 };
153 
154 /*******************************************************************************
155  *
156  * FPDT - Firmware Performance Data Table (ACPI 5.0)
157  *        Version 1
158  *
159  ******************************************************************************/
160 
161 struct acpi_table_fpdt {
162 	struct acpi_table_header header;	/* Common ACPI table header */
163 };
164 
165 /* FPDT subtable header */
166 
167 struct acpi_fpdt_header {
168 	u16 type;
169 	u8 length;
170 	u8 revision;
171 };
172 
173 /* Values for Type field above */
174 
175 enum acpi_fpdt_type {
176 	ACPI_FPDT_TYPE_BOOT = 0,
177 	ACPI_FPDT_TYPE_S3PERF = 1
178 };
179 
180 /*
181  * FPDT subtables
182  */
183 
184 /* 0: Firmware Basic Boot Performance Record */
185 
186 struct acpi_fpdt_boot {
187 	struct acpi_fpdt_header header;
188 	u8 reserved[4];
189 	u64 reset_end;
190 	u64 load_start;
191 	u64 startup_start;
192 	u64 exit_services_entry;
193 	u64 exit_services_exit;
194 };
195 
196 /* 1: S3 Performance Table Pointer Record */
197 
198 struct acpi_fpdt_s3pt_ptr {
199 	struct acpi_fpdt_header header;
200 	u8 reserved[4];
201 	u64 address;
202 };
203 
204 /*
205  * S3PT - S3 Performance Table. This table is pointed to by the
206  * FPDT S3 Pointer Record above.
207  */
208 struct acpi_table_s3pt {
209 	u8 signature[4];	/* "S3PT" */
210 	u32 length;
211 };
212 
213 /*
214  * S3PT Subtables
215  */
216 struct acpi_s3pt_header {
217 	u16 type;
218 	u8 length;
219 	u8 revision;
220 };
221 
222 /* Values for Type field above */
223 
224 enum acpi_s3pt_type {
225 	ACPI_S3PT_TYPE_RESUME = 0,
226 	ACPI_S3PT_TYPE_SUSPEND = 1
227 };
228 
229 struct acpi_s3pt_resume {
230 	struct acpi_s3pt_header header;
231 	u32 resume_count;
232 	u64 full_resume;
233 	u64 average_resume;
234 };
235 
236 struct acpi_s3pt_suspend {
237 	struct acpi_s3pt_header header;
238 	u64 suspend_start;
239 	u64 suspend_end;
240 };
241 
242 /*******************************************************************************
243  *
244  * GTDT - Generic Timer Description Table (ACPI 5.0)
245  *        Version 1
246  *
247  ******************************************************************************/
248 
249 struct acpi_table_gtdt {
250 	struct acpi_table_header header;	/* Common ACPI table header */
251 	u64 address;
252 	u32 flags;
253 	u32 secure_pl1_interrupt;
254 	u32 secure_pl1_flags;
255 	u32 non_secure_pl1_interrupt;
256 	u32 non_secure_pl1_flags;
257 	u32 virtual_timer_interrupt;
258 	u32 virtual_timer_flags;
259 	u32 non_secure_pl2_interrupt;
260 	u32 non_secure_pl2_flags;
261 };
262 
263 /* Values for Flags field above */
264 
265 #define ACPI_GTDT_MAPPED_BLOCK_PRESENT      1
266 
267 /* Values for all "TimerFlags" fields above */
268 
269 #define ACPI_GTDT_INTERRUPT_MODE            1
270 #define ACPI_GTDT_INTERRUPT_POLARITY        2
271 
272 /*******************************************************************************
273  *
274  * MPST - Memory Power State Table (ACPI 5.0)
275  *        Version 1
276  *
277  ******************************************************************************/
278 
279 #define ACPI_MPST_CHANNEL_INFO \
280 	u8                              channel_id; \
281 	u8                              reserved1[3]; \
282 	u16                             power_node_count; \
283 	u16                             reserved2;
284 
285 /* Main table */
286 
287 struct acpi_table_mpst {
288 	struct acpi_table_header header;	/* Common ACPI table header */
289 	 ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
290 };
291 
292 /* Memory Platform Communication Channel Info */
293 
294 struct acpi_mpst_channel {
295 	ACPI_MPST_CHANNEL_INFO	/* Platform Communication Channel */
296 };
297 
298 /* Memory Power Node Structure */
299 
300 struct acpi_mpst_power_node {
301 	u8 flags;
302 	u8 reserved1;
303 	u16 node_id;
304 	u32 length;
305 	u64 range_address;
306 	u64 range_length;
307 	u32 num_power_states;
308 	u32 num_physical_components;
309 };
310 
311 /* Values for Flags field above */
312 
313 #define ACPI_MPST_ENABLED               1
314 #define ACPI_MPST_POWER_MANAGED         2
315 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
316 
317 /* Memory Power State Structure (follows POWER_NODE above) */
318 
319 struct acpi_mpst_power_state {
320 	u8 power_state;
321 	u8 info_index;
322 };
323 
324 /* Physical Component ID Structure (follows POWER_STATE above) */
325 
326 struct acpi_mpst_component {
327 	u16 component_id;
328 };
329 
330 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
331 
332 struct acpi_mpst_data_hdr {
333 	u16 characteristics_count;
334 	u16 reserved;
335 };
336 
337 struct acpi_mpst_power_data {
338 	u8 structure_id;
339 	u8 flags;
340 	u16 reserved1;
341 	u32 average_power;
342 	u32 power_saving;
343 	u64 exit_latency;
344 	u64 reserved2;
345 };
346 
347 /* Values for Flags field above */
348 
349 #define ACPI_MPST_PRESERVE              1
350 #define ACPI_MPST_AUTOENTRY             2
351 #define ACPI_MPST_AUTOEXIT              4
352 
353 /* Shared Memory Region (not part of an ACPI table) */
354 
355 struct acpi_mpst_shared {
356 	u32 signature;
357 	u16 pcc_command;
358 	u16 pcc_status;
359 	u32 command_register;
360 	u32 status_register;
361 	u32 power_state_id;
362 	u32 power_node_id;
363 	u64 energy_consumed;
364 	u64 average_power;
365 };
366 
367 /*******************************************************************************
368  *
369  * PCCT - Platform Communications Channel Table (ACPI 5.0)
370  *        Version 1
371  *
372  ******************************************************************************/
373 
374 struct acpi_table_pcct {
375 	struct acpi_table_header header;	/* Common ACPI table header */
376 	u32 flags;
377 	u64 reserved;
378 };
379 
380 /* Values for Flags field above */
381 
382 #define ACPI_PCCT_DOORBELL              1
383 
384 /* Values for subtable type in struct acpi_subtable_header */
385 
386 enum acpi_pcct_type {
387 	ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
388 	ACPI_PCCT_TYPE_RESERVED = 1	/* 1 and greater are reserved */
389 };
390 
391 /*
392  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
393  */
394 
395 /* 0: Generic Communications Subspace */
396 
397 struct acpi_pcct_subspace {
398 	struct acpi_subtable_header header;
399 	u8 reserved[6];
400 	u64 base_address;
401 	u64 length;
402 	struct acpi_generic_address doorbell_register;
403 	u64 preserve_mask;
404 	u64 write_mask;
405 	u32 latency;
406 	u32 max_access_rate;
407 	u16 min_turnaround_time;
408 };
409 
410 /*
411  * PCC memory structures (not part of the ACPI table)
412  */
413 
414 /* Shared Memory Region */
415 
416 struct acpi_pcct_shared_memory {
417 	u32 signature;
418 	u16 command;
419 	u16 status;
420 };
421 
422 /*******************************************************************************
423  *
424  * PMTT - Platform Memory Topology Table (ACPI 5.0)
425  *        Version 1
426  *
427  ******************************************************************************/
428 
429 struct acpi_table_pmtt {
430 	struct acpi_table_header header;	/* Common ACPI table header */
431 	u32 reserved;
432 };
433 
434 /* Common header for PMTT subtables that follow main table */
435 
436 struct acpi_pmtt_header {
437 	u8 type;
438 	u8 reserved1;
439 	u16 length;
440 	u16 flags;
441 	u16 reserved2;
442 };
443 
444 /* Values for Type field above */
445 
446 #define ACPI_PMTT_TYPE_SOCKET           0
447 #define ACPI_PMTT_TYPE_CONTROLLER       1
448 #define ACPI_PMTT_TYPE_DIMM             2
449 #define ACPI_PMTT_TYPE_RESERVED         3	/* 0x03-0xFF are reserved */
450 
451 /* Values for Flags field above */
452 
453 #define ACPI_PMTT_TOP_LEVEL             0x0001
454 #define ACPI_PMTT_PHYSICAL              0x0002
455 #define ACPI_PMTT_MEMORY_TYPE           0x000C
456 
457 /*
458  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
459  */
460 
461 /* 0: Socket Structure */
462 
463 struct acpi_pmtt_socket {
464 	struct acpi_pmtt_header header;
465 	u16 socket_id;
466 	u16 reserved;
467 };
468 
469 /* 1: Memory Controller subtable */
470 
471 struct acpi_pmtt_controller {
472 	struct acpi_pmtt_header header;
473 	u32 read_latency;
474 	u32 write_latency;
475 	u32 read_bandwidth;
476 	u32 write_bandwidth;
477 	u16 access_width;
478 	u16 alignment;
479 	u16 reserved;
480 	u16 domain_count;
481 };
482 
483 /* 1a: Proximity Domain substructure */
484 
485 struct acpi_pmtt_domain {
486 	u32 proximity_domain;
487 };
488 
489 /* 2: Physical Component Identifier (DIMM) */
490 
491 struct acpi_pmtt_physical_component {
492 	struct acpi_pmtt_header header;
493 	u16 component_id;
494 	u16 reserved;
495 	u32 memory_size;
496 	u32 bios_handle;
497 };
498 
499 /*******************************************************************************
500  *
501  * RASF - RAS Feature Table (ACPI 5.0)
502  *        Version 1
503  *
504  ******************************************************************************/
505 
506 struct acpi_table_rasf {
507 	struct acpi_table_header header;	/* Common ACPI table header */
508 	u8 channel_id[12];
509 };
510 
511 /* RASF Platform Communication Channel Shared Memory Region */
512 
513 struct acpi_rasf_shared_memory {
514 	u32 signature;
515 	u16 command;
516 	u16 status;
517 	u16 version;
518 	u8 capabilities[16];
519 	u8 set_capabilities[16];
520 	u16 num_parameter_blocks;
521 	u32 set_capabilities_status;
522 };
523 
524 /* RASF Parameter Block Structure Header */
525 
526 struct acpi_rasf_parameter_block {
527 	u16 type;
528 	u16 version;
529 	u16 length;
530 };
531 
532 /* RASF Parameter Block Structure for PATROL_SCRUB */
533 
534 struct acpi_rasf_patrol_scrub_parameter {
535 	struct acpi_rasf_parameter_block header;
536 	u16 patrol_scrub_command;
537 	u64 requested_address_range[2];
538 	u64 actual_address_range[2];
539 	u16 flags;
540 	u8 requested_speed;
541 };
542 
543 /* Masks for Flags and Speed fields above */
544 
545 #define ACPI_RASF_SCRUBBER_RUNNING      1
546 #define ACPI_RASF_SPEED                 (7<<1)
547 #define ACPI_RASF_SPEED_SLOW            (0<<1)
548 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
549 #define ACPI_RASF_SPEED_FAST            (7<<1)
550 
551 /* Channel Commands */
552 
553 enum acpi_rasf_commands {
554 	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
555 };
556 
557 /* Platform RAS Capabilities */
558 
559 enum acpi_rasf_capabiliities {
560 	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
561 	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
562 };
563 
564 /* Patrol Scrub Commands */
565 
566 enum acpi_rasf_patrol_scrub_commands {
567 	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
568 	ACPI_RASF_START_PATROL_SCRUBBER = 2,
569 	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
570 };
571 
572 /* Channel Command flags */
573 
574 #define ACPI_RASF_GENERATE_SCI          (1<<15)
575 
576 /* Status values */
577 
578 enum acpi_rasf_status {
579 	ACPI_RASF_SUCCESS = 0,
580 	ACPI_RASF_NOT_VALID = 1,
581 	ACPI_RASF_NOT_SUPPORTED = 2,
582 	ACPI_RASF_BUSY = 3,
583 	ACPI_RASF_FAILED = 4,
584 	ACPI_RASF_ABORTED = 5,
585 	ACPI_RASF_INVALID_DATA = 6
586 };
587 
588 /* Status flags */
589 
590 #define ACPI_RASF_COMMAND_COMPLETE      (1)
591 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
592 #define ACPI_RASF_ERROR                 (1<<2)
593 #define ACPI_RASF_STATUS                (0x1F<<3)
594 
595 /*******************************************************************************
596  *
597  * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
598  *        Version 3
599  *
600  * Conforms to "TPM 2.0 Hardware Interface Table (TPM2)" 29 November 2011
601  *
602  ******************************************************************************/
603 
604 struct acpi_table_tpm2 {
605 	struct acpi_table_header header;	/* Common ACPI table header */
606 	u32 flags;
607 	u64 control_address;
608 	u32 start_method;
609 };
610 
611 /* Control area structure (not part of table, pointed to by control_address) */
612 
613 struct acpi_tpm2_control {
614 	u32 reserved;
615 	u32 error;
616 	u32 cancel;
617 	u32 start;
618 	u64 interrupt_control;
619 	u32 command_size;
620 	u64 command_address;
621 	u32 response_size;
622 	u64 response_address;
623 };
624 
625 /* Reset to default packing */
626 
627 #pragma pack()
628 
629 #endif				/* __ACTBL3_H__ */
630