xref: /illumos-gate/usr/src/uts/intel/sys/acpi/actbl.h (revision 35786f68)
1 /******************************************************************************
2  *
3  * Name: actbl.h - Basic ACPI Table Definitions
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code. No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision. In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change. Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee. Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution. In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government. In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 #ifndef __ACTBL_H__
153 #define __ACTBL_H__
154 
155 
156 /*******************************************************************************
157  *
158  * Fundamental ACPI tables
159  *
160  * This file contains definitions for the ACPI tables that are directly consumed
161  * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
162  * device drivers and other OS support code.
163  *
164  * The RSDP and FACS do not use the common ACPI table header. All other ACPI
165  * tables use the header.
166  *
167  ******************************************************************************/
168 
169 
170 /*
171  * Values for description table header signatures for tables defined in this
172  * file. Useful because they make it more difficult to inadvertently type in
173  * the wrong signature.
174  */
175 #define ACPI_SIG_DSDT           "DSDT"      /* Differentiated System Description Table */
176 #define ACPI_SIG_FADT           "FACP"      /* Fixed ACPI Description Table */
177 #define ACPI_SIG_FACS           "FACS"      /* Firmware ACPI Control Structure */
178 #define ACPI_SIG_OSDT           "OSDT"      /* Override System Description Table */
179 #define ACPI_SIG_PSDT           "PSDT"      /* Persistent System Description Table */
180 #define ACPI_SIG_RSDP           "RSD PTR "  /* Root System Description Pointer */
181 #define ACPI_SIG_RSDT           "RSDT"      /* Root System Description Table */
182 #define ACPI_SIG_XSDT           "XSDT"      /* Extended  System Description Table */
183 #define ACPI_SIG_SSDT           "SSDT"      /* Secondary System Description Table */
184 #define ACPI_RSDP_NAME          "RSDP"      /* Short name for RSDP, not signature */
185 
186 
187 /*
188  * All tables and structures must be byte-packed to match the ACPI
189  * specification, since the tables are provided by the system BIOS
190  */
191 #pragma pack(1)
192 
193 /*
194  * Note: C bitfields are not used for this reason:
195  *
196  * "Bitfields are great and easy to read, but unfortunately the C language
197  * does not specify the layout of bitfields in memory, which means they are
198  * essentially useless for dealing with packed data in on-disk formats or
199  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
200  * this decision was a design error in C. Ritchie could have picked an order
201  * and stuck with it." Norman Ramsey.
202  * See http://stackoverflow.com/a/1053662/41661
203  */
204 
205 
206 /*******************************************************************************
207  *
208  * Master ACPI Table Header. This common header is used by all ACPI tables
209  * except the RSDP and FACS.
210  *
211  ******************************************************************************/
212 
213 typedef struct acpi_table_header
214 {
215     char                    Signature[ACPI_NAME_SIZE];          /* ASCII table signature */
216     UINT32                  Length;                             /* Length of table in bytes, including this header */
217     UINT8                   Revision;                           /* ACPI Specification minor version number */
218     UINT8                   Checksum;                           /* To make sum of entire table == 0 */
219     char                    OemId[ACPI_OEM_ID_SIZE];            /* ASCII OEM identification */
220     char                    OemTableId[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
221     UINT32                  OemRevision;                        /* OEM revision number */
222     char                    AslCompilerId[ACPI_NAME_SIZE];      /* ASCII ASL compiler vendor ID */
223     UINT32                  AslCompilerRevision;                /* ASL compiler version */
224 
225 } ACPI_TABLE_HEADER;
226 
227 
228 /*******************************************************************************
229  *
230  * GAS - Generic Address Structure (ACPI 2.0+)
231  *
232  * Note: Since this structure is used in the ACPI tables, it is byte aligned.
233  * If misaligned access is not supported by the hardware, accesses to the
234  * 64-bit Address field must be performed with care.
235  *
236  ******************************************************************************/
237 
238 typedef struct acpi_generic_address
239 {
240     UINT8                   SpaceId;                /* Address space where struct or register exists */
241     UINT8                   BitWidth;               /* Size in bits of given register */
242     UINT8                   BitOffset;              /* Bit offset within the register */
243     UINT8                   AccessWidth;            /* Minimum Access size (ACPI 3.0) */
244     UINT64                  Address;                /* 64-bit address of struct or register */
245 
246 } ACPI_GENERIC_ADDRESS;
247 
248 
249 /*******************************************************************************
250  *
251  * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
252  *        Version 2
253  *
254  ******************************************************************************/
255 
256 typedef struct acpi_table_rsdp
257 {
258     char                    Signature[8];               /* ACPI signature, contains "RSD PTR " */
259     UINT8                   Checksum;                   /* ACPI 1.0 checksum */
260     char                    OemId[ACPI_OEM_ID_SIZE];    /* OEM identification */
261     UINT8                   Revision;                   /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
262     UINT32                  RsdtPhysicalAddress;        /* 32-bit physical address of the RSDT */
263     UINT32                  Length;                     /* Table length in bytes, including header (ACPI 2.0+) */
264     UINT64                  XsdtPhysicalAddress;        /* 64-bit physical address of the XSDT (ACPI 2.0+) */
265     UINT8                   ExtendedChecksum;           /* Checksum of entire table (ACPI 2.0+) */
266     UINT8                   Reserved[3];                /* Reserved, must be zero */
267 
268 } ACPI_TABLE_RSDP;
269 
270 /* Standalone struct for the ACPI 1.0 RSDP */
271 
272 typedef struct acpi_rsdp_common
273 {
274     char                    Signature[8];
275     UINT8                   Checksum;
276     char                    OemId[ACPI_OEM_ID_SIZE];
277     UINT8                   Revision;
278     UINT32                  RsdtPhysicalAddress;
279 
280 } ACPI_RSDP_COMMON;
281 
282 /* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */
283 
284 typedef struct acpi_rsdp_extension
285 {
286     UINT32                  Length;
287     UINT64                  XsdtPhysicalAddress;
288     UINT8                   ExtendedChecksum;
289     UINT8                   Reserved[3];
290 
291 } ACPI_RSDP_EXTENSION;
292 
293 
294 /*******************************************************************************
295  *
296  * RSDT/XSDT - Root System Description Tables
297  *             Version 1 (both)
298  *
299  ******************************************************************************/
300 
301 typedef struct acpi_table_rsdt
302 {
303     ACPI_TABLE_HEADER       Header;                 /* Common ACPI table header */
304     UINT32                  TableOffsetEntry[1];    /* Array of pointers to ACPI tables */
305 
306 } ACPI_TABLE_RSDT;
307 
308 typedef struct acpi_table_xsdt
309 {
310     ACPI_TABLE_HEADER       Header;                 /* Common ACPI table header */
311     UINT64                  TableOffsetEntry[1];    /* Array of pointers to ACPI tables */
312 
313 } ACPI_TABLE_XSDT;
314 
315 #define ACPI_RSDT_ENTRY_SIZE        (sizeof (UINT32))
316 #define ACPI_XSDT_ENTRY_SIZE        (sizeof (UINT64))
317 
318 
319 /*******************************************************************************
320  *
321  * FACS - Firmware ACPI Control Structure (FACS)
322  *
323  ******************************************************************************/
324 
325 typedef struct acpi_table_facs
326 {
327     char                    Signature[4];           /* ASCII table signature */
328     UINT32                  Length;                 /* Length of structure, in bytes */
329     UINT32                  HardwareSignature;      /* Hardware configuration signature */
330     UINT32                  FirmwareWakingVector;   /* 32-bit physical address of the Firmware Waking Vector */
331     UINT32                  GlobalLock;             /* Global Lock for shared hardware resources */
332     UINT32                  Flags;
333     UINT64                  XFirmwareWakingVector;  /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
334     UINT8                   Version;                /* Version of this table (ACPI 2.0+) */
335     UINT8                   Reserved[3];            /* Reserved, must be zero */
336     UINT32                  OspmFlags;              /* Flags to be set by OSPM (ACPI 4.0) */
337     UINT8                   Reserved1[24];          /* Reserved, must be zero */
338 
339 } ACPI_TABLE_FACS;
340 
341 /* Masks for GlobalLock flag field above */
342 
343 #define ACPI_GLOCK_PENDING          (1)             /* 00: Pending global lock ownership */
344 #define ACPI_GLOCK_OWNED            (1<<1)          /* 01: Global lock is owned */
345 
346 /* Masks for Flags field above  */
347 
348 #define ACPI_FACS_S4_BIOS_PRESENT   (1)             /* 00: S4BIOS support is present */
349 #define ACPI_FACS_64BIT_WAKE        (1<<1)          /* 01: 64-bit wake vector supported (ACPI 4.0) */
350 
351 /* Masks for OspmFlags field above */
352 
353 #define ACPI_FACS_64BIT_ENVIRONMENT (1)             /* 00: 64-bit wake environment is required (ACPI 4.0) */
354 
355 
356 /*******************************************************************************
357  *
358  * FADT - Fixed ACPI Description Table (Signature "FACP")
359  *        Version 6
360  *
361  ******************************************************************************/
362 
363 /* Fields common to all versions of the FADT */
364 
365 typedef struct acpi_table_fadt
366 {
367     ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
368     UINT32                  Facs;               /* 32-bit physical address of FACS */
369     UINT32                  Dsdt;               /* 32-bit physical address of DSDT */
370     UINT8                   Model;              /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
371     UINT8                   PreferredProfile;   /* Conveys preferred power management profile to OSPM. */
372     UINT16                  SciInterrupt;       /* System vector of SCI interrupt */
373     UINT32                  SmiCommand;         /* 32-bit Port address of SMI command port */
374     UINT8                   AcpiEnable;         /* Value to write to SMI_CMD to enable ACPI */
375     UINT8                   AcpiDisable;        /* Value to write to SMI_CMD to disable ACPI */
376     UINT8                   S4BiosRequest;      /* Value to write to SMI_CMD to enter S4BIOS state */
377     UINT8                   PstateControl;      /* Processor performance state control*/
378     UINT32                  Pm1aEventBlock;     /* 32-bit port address of Power Mgt 1a Event Reg Blk */
379     UINT32                  Pm1bEventBlock;     /* 32-bit port address of Power Mgt 1b Event Reg Blk */
380     UINT32                  Pm1aControlBlock;   /* 32-bit port address of Power Mgt 1a Control Reg Blk */
381     UINT32                  Pm1bControlBlock;   /* 32-bit port address of Power Mgt 1b Control Reg Blk */
382     UINT32                  Pm2ControlBlock;    /* 32-bit port address of Power Mgt 2 Control Reg Blk */
383     UINT32                  PmTimerBlock;       /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
384     UINT32                  Gpe0Block;          /* 32-bit port address of General Purpose Event 0 Reg Blk */
385     UINT32                  Gpe1Block;          /* 32-bit port address of General Purpose Event 1 Reg Blk */
386     UINT8                   Pm1EventLength;     /* Byte Length of ports at Pm1xEventBlock */
387     UINT8                   Pm1ControlLength;   /* Byte Length of ports at Pm1xControlBlock */
388     UINT8                   Pm2ControlLength;   /* Byte Length of ports at Pm2ControlBlock */
389     UINT8                   PmTimerLength;      /* Byte Length of ports at PmTimerBlock */
390     UINT8                   Gpe0BlockLength;    /* Byte Length of ports at Gpe0Block */
391     UINT8                   Gpe1BlockLength;    /* Byte Length of ports at Gpe1Block */
392     UINT8                   Gpe1Base;           /* Offset in GPE number space where GPE1 events start */
393     UINT8                   CstControl;         /* Support for the _CST object and C-States change notification */
394     UINT16                  C2Latency;          /* Worst case HW latency to enter/exit C2 state */
395     UINT16                  C3Latency;          /* Worst case HW latency to enter/exit C3 state */
396     UINT16                  FlushSize;          /* Processor memory cache line width, in bytes */
397     UINT16                  FlushStride;        /* Number of flush strides that need to be read */
398     UINT8                   DutyOffset;         /* Processor duty cycle index in processor P_CNT reg */
399     UINT8                   DutyWidth;          /* Processor duty cycle value bit width in P_CNT register */
400     UINT8                   DayAlarm;           /* Index to day-of-month alarm in RTC CMOS RAM */
401     UINT8                   MonthAlarm;         /* Index to month-of-year alarm in RTC CMOS RAM */
402     UINT8                   Century;            /* Index to century in RTC CMOS RAM */
403     UINT16                  BootFlags;          /* IA-PC Boot Architecture Flags (see below for individual flags) */
404     UINT8                   Reserved;           /* Reserved, must be zero */
405     UINT32                  Flags;              /* Miscellaneous flag bits (see below for individual flags) */
406     ACPI_GENERIC_ADDRESS    ResetRegister;      /* 64-bit address of the Reset register */
407     UINT8                   ResetValue;         /* Value to write to the ResetRegister port to reset the system */
408     UINT16                  ArmBootFlags;       /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
409     UINT8                   MinorRevision;      /* FADT Minor Revision (ACPI 5.1) */
410     UINT64                  XFacs;              /* 64-bit physical address of FACS */
411     UINT64                  XDsdt;              /* 64-bit physical address of DSDT */
412     ACPI_GENERIC_ADDRESS    XPm1aEventBlock;    /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
413     ACPI_GENERIC_ADDRESS    XPm1bEventBlock;    /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
414     ACPI_GENERIC_ADDRESS    XPm1aControlBlock;  /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
415     ACPI_GENERIC_ADDRESS    XPm1bControlBlock;  /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
416     ACPI_GENERIC_ADDRESS    XPm2ControlBlock;   /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
417     ACPI_GENERIC_ADDRESS    XPmTimerBlock;      /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
418     ACPI_GENERIC_ADDRESS    XGpe0Block;         /* 64-bit Extended General Purpose Event 0 Reg Blk address */
419     ACPI_GENERIC_ADDRESS    XGpe1Block;         /* 64-bit Extended General Purpose Event 1 Reg Blk address */
420     ACPI_GENERIC_ADDRESS    SleepControl;       /* 64-bit Sleep Control register (ACPI 5.0) */
421     ACPI_GENERIC_ADDRESS    SleepStatus;        /* 64-bit Sleep Status register (ACPI 5.0) */
422     UINT64                  HypervisorId;       /* Hypervisor Vendor ID (ACPI 6.0) */
423 
424 } ACPI_TABLE_FADT;
425 
426 
427 /* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
428 
429 #define ACPI_FADT_LEGACY_DEVICES    (1)         /* 00: [V2] System has LPC or ISA bus devices */
430 #define ACPI_FADT_8042              (1<<1)      /* 01: [V3] System has an 8042 controller on port 60/64 */
431 #define ACPI_FADT_NO_VGA            (1<<2)      /* 02: [V4] It is not safe to probe for VGA hardware */
432 #define ACPI_FADT_NO_MSI            (1<<3)      /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
433 #define ACPI_FADT_NO_ASPM           (1<<4)      /* 04: [V4] PCIe ASPM control must not be enabled */
434 #define ACPI_FADT_NO_CMOS_RTC       (1<<5)      /* 05: [V5] No CMOS real-time clock present */
435 
436 /* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */
437 
438 #define ACPI_FADT_PSCI_COMPLIANT    (1)         /* 00: [V5+] PSCI 0.2+ is implemented */
439 #define ACPI_FADT_PSCI_USE_HVC      (1<<1)      /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */
440 
441 /* Masks for FADT flags */
442 
443 #define ACPI_FADT_WBINVD            (1)         /* 00: [V1] The WBINVD instruction works properly */
444 #define ACPI_FADT_WBINVD_FLUSH      (1<<1)      /* 01: [V1] WBINVD flushes but does not invalidate caches */
445 #define ACPI_FADT_C1_SUPPORTED      (1<<2)      /* 02: [V1] All processors support C1 state */
446 #define ACPI_FADT_C2_MP_SUPPORTED   (1<<3)      /* 03: [V1] C2 state works on MP system */
447 #define ACPI_FADT_POWER_BUTTON      (1<<4)      /* 04: [V1] Power button is handled as a control method device */
448 #define ACPI_FADT_SLEEP_BUTTON      (1<<5)      /* 05: [V1] Sleep button is handled as a control method device */
449 #define ACPI_FADT_FIXED_RTC         (1<<6)      /* 06: [V1] RTC wakeup status is not in fixed register space */
450 #define ACPI_FADT_S4_RTC_WAKE       (1<<7)      /* 07: [V1] RTC alarm can wake system from S4 */
451 #define ACPI_FADT_32BIT_TIMER       (1<<8)      /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
452 #define ACPI_FADT_DOCKING_SUPPORTED (1<<9)      /* 09: [V1] Docking supported */
453 #define ACPI_FADT_RESET_REGISTER    (1<<10)     /* 10: [V2] System reset via the FADT RESET_REG supported */
454 #define ACPI_FADT_SEALED_CASE       (1<<11)     /* 11: [V3] No internal expansion capabilities and case is sealed */
455 #define ACPI_FADT_HEADLESS          (1<<12)     /* 12: [V3] No local video capabilities or local input devices */
456 #define ACPI_FADT_SLEEP_TYPE        (1<<13)     /* 13: [V3] Must execute native instruction after writing  SLP_TYPx register */
457 #define ACPI_FADT_PCI_EXPRESS_WAKE  (1<<14)     /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
458 #define ACPI_FADT_PLATFORM_CLOCK    (1<<15)     /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
459 #define ACPI_FADT_S4_RTC_VALID      (1<<16)     /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
460 #define ACPI_FADT_REMOTE_POWER_ON   (1<<17)     /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
461 #define ACPI_FADT_APIC_CLUSTER      (1<<18)     /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
462 #define ACPI_FADT_APIC_PHYSICAL     (1<<19)     /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
463 #define ACPI_FADT_HW_REDUCED        (1<<20)     /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
464 #define ACPI_FADT_LOW_POWER_S0      (1<<21)     /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
465 
466 
467 /* Values for PreferredProfile (Preferred Power Management Profiles) */
468 
469 enum AcpiPreferredPmProfiles
470 {
471     PM_UNSPECIFIED          = 0,
472     PM_DESKTOP              = 1,
473     PM_MOBILE               = 2,
474     PM_WORKSTATION          = 3,
475     PM_ENTERPRISE_SERVER    = 4,
476     PM_SOHO_SERVER          = 5,
477     PM_APPLIANCE_PC         = 6,
478     PM_PERFORMANCE_SERVER   = 7,
479     PM_TABLET               = 8
480 };
481 
482 /* Values for SleepStatus and SleepControl registers (V5+ FADT) */
483 
484 #define ACPI_X_WAKE_STATUS          0x80
485 #define ACPI_X_SLEEP_TYPE_MASK      0x1C
486 #define ACPI_X_SLEEP_TYPE_POSITION  0x02
487 #define ACPI_X_SLEEP_ENABLE         0x20
488 
489 
490 /* Reset to default packing */
491 
492 #pragma pack()
493 
494 
495 /*
496  * Internal table-related structures
497  */
498 typedef union acpi_name_union
499 {
500     UINT32                          Integer;
501     char                            Ascii[4];
502 
503 } ACPI_NAME_UNION;
504 
505 
506 /* Internal ACPI Table Descriptor. One per ACPI table. */
507 
508 typedef struct acpi_table_desc
509 {
510     ACPI_PHYSICAL_ADDRESS           Address;
511     ACPI_TABLE_HEADER               *Pointer;
512     UINT32                          Length;     /* Length fixed at 32 bits (fixed in table header) */
513     ACPI_NAME_UNION                 Signature;
514     ACPI_OWNER_ID                   OwnerId;
515     UINT8                           Flags;
516     UINT16                          ValidationCount;
517 
518 } ACPI_TABLE_DESC;
519 
520 /*
521  * Maximum value of the ValidationCount field in ACPI_TABLE_DESC.
522  * When reached, ValidationCount cannot be changed any more and the table will
523  * be permanently regarded as validated.
524  *
525  * This is to prevent situations in which unbalanced table get/put operations
526  * may cause premature table unmapping in the OS to happen.
527  *
528  * The maximum validation count can be defined to any value, but should be
529  * greater than the maximum number of OS early stage mapping slots to avoid
530  * leaking early stage table mappings to the late stage.
531  */
532 #define ACPI_MAX_TABLE_VALIDATIONS          ACPI_UINT16_MAX
533 
534 /* Masks for Flags field above */
535 
536 #define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL  (0) /* Virtual address, external maintained */
537 #define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
538 #define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL  (2) /* Virtual address, internallly allocated */
539 #define ACPI_TABLE_ORIGIN_MASK              (3)
540 #define ACPI_TABLE_IS_VERIFIED              (4)
541 #define ACPI_TABLE_IS_LOADED                (8)
542 
543 
544 /*
545  * Get the remaining ACPI tables
546  */
547 #include "actbl1.h"
548 #include "actbl2.h"
549 #include "actbl3.h"
550 
551 /* Macros used to generate offsets to specific table fields */
552 
553 #define ACPI_FADT_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_FADT, f)
554 
555 /*
556  * Sizes of the various flavors of FADT. We need to look closely
557  * at the FADT length because the version number essentially tells
558  * us nothing because of many BIOS bugs where the version does not
559  * match the expected length. In other words, the length of the
560  * FADT is the bottom line as to what the version really is.
561  *
562  * For reference, the values below are as follows:
563  *     FADT V1 size: 0x074
564  *     FADT V2 size: 0x084
565  *     FADT V3 size: 0x0F4
566  *     FADT V4 size: 0x0F4
567  *     FADT V5 size: 0x10C
568  *     FADT V6 size: 0x114
569  */
570 #define ACPI_FADT_V1_SIZE       (UINT32) (ACPI_FADT_OFFSET (Flags) + 4)
571 #define ACPI_FADT_V2_SIZE       (UINT32) (ACPI_FADT_OFFSET (MinorRevision) + 1)
572 #define ACPI_FADT_V3_SIZE       (UINT32) (ACPI_FADT_OFFSET (SleepControl))
573 #define ACPI_FADT_V5_SIZE       (UINT32) (ACPI_FADT_OFFSET (HypervisorId))
574 #define ACPI_FADT_V6_SIZE       (UINT32) (sizeof (ACPI_TABLE_FADT))
575 
576 #define ACPI_FADT_CONFORMANCE   "ACPI 6.1 (FADT version 6)"
577 
578 #endif /* __ACTBL_H__ */
579