xref: /titanic_41/usr/src/uts/intel/sys/acpi/actbl.h (revision 0a44ef6d9afbfe052a7e975f55ea0d2954b62a82)
1 /******************************************************************************
2  *
3  * Name: actbl.h - Basic ACPI Table Definitions
4  *       $Revision: 1.80 $
5  *
6  *****************************************************************************/
7 
8 /******************************************************************************
9  *
10  * 1. Copyright Notice
11  *
12  * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp.
13  * All rights reserved.
14  *
15  * 2. License
16  *
17  * 2.1. This is your license from Intel Corp. under its intellectual property
18  * rights.  You may have additional license terms from the party that provided
19  * you this software, covering your right to use that party's intellectual
20  * property rights.
21  *
22  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23  * copy of the source code appearing in this file ("Covered Code") an
24  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25  * base code distributed originally by Intel ("Original Intel Code") to copy,
26  * make derivatives, distribute, use and display any portion of the Covered
27  * Code in any form, with the right to sublicense such rights; and
28  *
29  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30  * license (with the right to sublicense), under only those claims of Intel
31  * patents that are infringed by the Original Intel Code, to make, use, sell,
32  * offer to sell, and import the Covered Code and derivative works thereof
33  * solely to the minimum extent necessary to exercise the above copyright
34  * license, and in no event shall the patent license extend to any additions
35  * to or modifications of the Original Intel Code.  No other license or right
36  * is granted directly or by implication, estoppel or otherwise;
37  *
38  * The above copyright and patent license is granted only if the following
39  * conditions are met:
40  *
41  * 3. Conditions
42  *
43  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44  * Redistribution of source code of any substantial portion of the Covered
45  * Code or modification with rights to further distribute source must include
46  * the above Copyright Notice, the above License, this list of Conditions,
47  * and the following Disclaimer and Export Compliance provision.  In addition,
48  * Licensee must cause all Covered Code to which Licensee contributes to
49  * contain a file documenting the changes Licensee made to create that Covered
50  * Code and the date of any change.  Licensee must include in that file the
51  * documentation of any changes made by any predecessor Licensee.  Licensee
52  * must include a prominent statement that the modification is derived,
53  * directly or indirectly, from Original Intel Code.
54  *
55  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56  * Redistribution of source code of any substantial portion of the Covered
57  * Code or modification without rights to further distribute source must
58  * include the following Disclaimer and Export Compliance provision in the
59  * documentation and/or other materials provided with distribution.  In
60  * addition, Licensee may not authorize further sublicense of source of any
61  * portion of the Covered Code, and must include terms to the effect that the
62  * license from Licensee to its licensee is limited to the intellectual
63  * property embodied in the software Licensee provides to its licensee, and
64  * not to intellectual property embodied in modifications its licensee may
65  * make.
66  *
67  * 3.3. Redistribution of Executable. Redistribution in executable form of any
68  * substantial portion of the Covered Code or modification must reproduce the
69  * above Copyright Notice, and the following Disclaimer and Export Compliance
70  * provision in the documentation and/or other materials provided with the
71  * distribution.
72  *
73  * 3.4. Intel retains all right, title, and interest in and to the Original
74  * Intel Code.
75  *
76  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77  * Intel shall be used in advertising or otherwise to promote the sale, use or
78  * other dealings in products derived from or relating to the Covered Code
79  * without prior written authorization from Intel.
80  *
81  * 4. Disclaimer and Export Compliance
82  *
83  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
86  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
87  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
88  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89  * PARTICULAR PURPOSE.
90  *
91  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
97  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98  * LIMITED REMEDY.
99  *
100  * 4.3. Licensee shall not export, either directly or indirectly, any of this
101  * software or system incorporating such software without first obtaining any
102  * required license or other approval from the U. S. Department of Commerce or
103  * any other agency or department of the United States Government.  In the
104  * event Licensee exports any such software from the United States or
105  * re-exports any such software from a foreign destination, Licensee shall
106  * ensure that the distribution and export/re-export of the software is in
107  * compliance with all laws, regulations, orders, or other restrictions of the
108  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109  * any of its subsidiaries will export/re-export any technical data, process,
110  * software, or service, directly or indirectly, to any country for which the
111  * United States government or any agency thereof requires an export license,
112  * other governmental approval, or letter of assurance, without first obtaining
113  * such license, approval or letter.
114  *
115  *****************************************************************************/
116 
117 #ifndef __ACTBL_H__
118 #define __ACTBL_H__
119 
120 /*
121  * Values for description table header signatures. Useful because they make
122  * it more difficult to inadvertently type in the wrong signature.
123  */
124 #define DSDT_SIG                "DSDT"      /* Differentiated System Description Table */
125 #define FADT_SIG                "FACP"      /* Fixed ACPI Description Table */
126 #define FACS_SIG                "FACS"      /* Firmware ACPI Control Structure */
127 #define PSDT_SIG                "PSDT"      /* Persistent System Description Table */
128 #define RSDP_SIG                "RSD PTR "  /* Root System Description Pointer */
129 #define RSDT_SIG                "RSDT"      /* Root System Description Table */
130 #define XSDT_SIG                "XSDT"      /* Extended  System Description Table */
131 #define SSDT_SIG                "SSDT"      /* Secondary System Description Table */
132 #define RSDP_NAME               "RSDP"
133 
134 
135 /*
136  * All tables and structures must be byte-packed to match the ACPI
137  * specification, since the tables are provided by the system BIOS
138  */
139 #pragma pack(1)
140 
141 
142 /*
143  * These are the ACPI tables that are directly consumed by the subsystem.
144  *
145  * The RSDP and FACS do not use the common ACPI table header. All other ACPI
146  * tables use the header.
147  *
148  * Note about bitfields: The UINT8 type is used for bitfields in ACPI tables.
149  * This is the only type that is even remotely portable. Anything else is not
150  * portable, so do not use any other bitfield types.
151  */
152 
153 /*******************************************************************************
154  *
155  * ACPI Table Header. This common header is used by all tables except the
156  * RSDP and FACS. The define is used for direct inclusion of header into
157  * other ACPI tables
158  *
159  ******************************************************************************/
160 
161 #define ACPI_TABLE_HEADER_DEF \
162     char                    Signature[4];           /* ASCII table signature */\
163     UINT32                  Length;                 /* Length of table in bytes, including this header */\
164     UINT8                   Revision;               /* ACPI Specification minor version # */\
165     UINT8                   Checksum;               /* To make sum of entire table == 0 */\
166     char                    OemId[6];               /* ASCII OEM identification */\
167     char                    OemTableId[8];          /* ASCII OEM table identification */\
168     UINT32                  OemRevision;            /* OEM revision number */\
169     char                    AslCompilerId[4];       /* ASCII ASL compiler vendor ID */\
170     UINT32                  AslCompilerRevision;    /* ASL compiler version */
171 
172 typedef struct acpi_table_header
173 {
174     ACPI_TABLE_HEADER_DEF
175 
176 } ACPI_TABLE_HEADER;
177 
178 
179 /*
180  * GAS - Generic Address Structure (ACPI 2.0+)
181  */
182 typedef struct acpi_generic_address
183 {
184     UINT8                   AddressSpaceId;         /* Address space where struct or register exists */
185     UINT8                   RegisterBitWidth;       /* Size in bits of given register */
186     UINT8                   RegisterBitOffset;      /* Bit offset within the register */
187     UINT8                   AccessWidth;            /* Minimum Access size (ACPI 3.0) */
188     UINT64                  Address;                /* 64-bit address of struct or register */
189 
190 } ACPI_GENERIC_ADDRESS;
191 
192 
193 /*******************************************************************************
194  *
195  * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
196  *
197  ******************************************************************************/
198 
199 typedef struct rsdp_descriptor
200 {
201     char                    Signature[8];           /* ACPI signature, contains "RSD PTR " */
202     UINT8                   Checksum;               /* ACPI 1.0 checksum */
203     char                    OemId[6];               /* OEM identification */
204     UINT8                   Revision;               /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
205     UINT32                  RsdtPhysicalAddress;    /* 32-bit physical address of the RSDT */
206     UINT32                  Length;                 /* Table length in bytes, including header (ACPI 2.0+) */
207     UINT64                  XsdtPhysicalAddress;    /* 64-bit physical address of the XSDT (ACPI 2.0+) */
208     UINT8                   ExtendedChecksum;       /* Checksum of entire table (ACPI 2.0+) */
209     UINT8                   Reserved[3];            /* Reserved, must be zero */
210 
211 } RSDP_DESCRIPTOR;
212 
213 #define ACPI_RSDP_REV0_SIZE     20                  /* Size of original ACPI 1.0 RSDP */
214 
215 
216 /*******************************************************************************
217  *
218  * RSDT/XSDT - Root System Description Tables
219  *
220  ******************************************************************************/
221 
222 typedef struct rsdt_descriptor
223 {
224     ACPI_TABLE_HEADER_DEF
225     UINT32                  TableOffsetEntry[1]; /* Array of pointers to ACPI tables */
226 
227 } RSDT_DESCRIPTOR;
228 
229 typedef struct xsdt_descriptor
230 {
231     ACPI_TABLE_HEADER_DEF
232     UINT64                  TableOffsetEntry[1]; /* Array of pointers to ACPI tables */
233 
234 } XSDT_DESCRIPTOR;
235 
236 
237 /*******************************************************************************
238  *
239  * FACS - Firmware ACPI Control Structure (FACS)
240  *
241  ******************************************************************************/
242 
243 typedef struct facs_descriptor
244 {
245     char                    Signature[4];           /* ASCII table signature */
246     UINT32                  Length;                 /* Length of structure, in bytes */
247     UINT32                  HardwareSignature;      /* Hardware configuration signature */
248     UINT32                  FirmwareWakingVector;   /* 32-bit physical address of the Firmware Waking Vector */
249     UINT32                  GlobalLock;             /* Global Lock for shared hardware resources */
250 
251     /* Flags (32 bits) */
252 
253     UINT8                   S4Bios_f        : 1;    /* 00:    S4BIOS support is present */
254     UINT8                                   : 7;    /* 01-07: Reserved, must be zero */
255     UINT8                   Reserved1[3];           /* 08-31: Reserved, must be zero */
256 
257     UINT64                  XFirmwareWakingVector;  /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
258     UINT8                   Version;                /* Version of this table (ACPI 2.0+) */
259     UINT8                   Reserved[31];           /* Reserved, must be zero */
260 
261 } FACS_DESCRIPTOR;
262 
263 #define ACPI_GLOCK_PENDING      0x01                /* 00: Pending global lock ownership */
264 #define ACPI_GLOCK_OWNED        0x02                /* 01: Global lock is owned */
265 
266 
267 /*
268  * Common FACS - This is a version-independent FACS structure used for internal use only
269  */
270 typedef struct acpi_common_facs
271 {
272     UINT32                  *GlobalLock;
273     UINT64                  *FirmwareWakingVector;
274     UINT8                   VectorWidth;
275 
276 } ACPI_COMMON_FACS;
277 
278 
279 /*******************************************************************************
280  *
281  * FADT - Fixed ACPI Description Table (Signature "FACP")
282  *
283  ******************************************************************************/
284 
285 /* Fields common to all versions of the FADT */
286 
287 #define ACPI_FADT_COMMON \
288     ACPI_TABLE_HEADER_DEF \
289     UINT32                  V1_FirmwareCtrl;    /* 32-bit physical address of FACS */ \
290     UINT32                  V1_Dsdt;            /* 32-bit physical address of DSDT */ \
291     UINT8                   Reserved1;          /* System Interrupt Model isn't used in ACPI 2.0*/ \
292     UINT8                   Prefer_PM_Profile;  /* Conveys preferred power management profile to OSPM. */ \
293     UINT16                  SciInt;             /* System vector of SCI interrupt */ \
294     UINT32                  SmiCmd;             /* Port address of SMI command port */ \
295     UINT8                   AcpiEnable;         /* Value to write to smi_cmd to enable ACPI */ \
296     UINT8                   AcpiDisable;        /* Value to write to smi_cmd to disable ACPI */ \
297     UINT8                   S4BiosReq;          /* Value to write to SMI CMD to enter S4BIOS state */ \
298     UINT8                   PstateCnt;          /* Processor performance state control*/ \
299     UINT32                  V1_Pm1aEvtBlk;      /* Port address of Power Mgt 1a Event Reg Blk */ \
300     UINT32                  V1_Pm1bEvtBlk;      /* Port address of Power Mgt 1b Event Reg Blk */ \
301     UINT32                  V1_Pm1aCntBlk;      /* Port address of Power Mgt 1a Control Reg Blk */ \
302     UINT32                  V1_Pm1bCntBlk;      /* Port address of Power Mgt 1b Control Reg Blk */ \
303     UINT32                  V1_Pm2CntBlk;       /* Port address of Power Mgt 2 Control Reg Blk */ \
304     UINT32                  V1_PmTmrBlk;        /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
305     UINT32                  V1_Gpe0Blk;         /* Port addr of General Purpose AcpiEvent 0 Reg Blk */ \
306     UINT32                  V1_Gpe1Blk;         /* Port addr of General Purpose AcpiEvent 1 Reg Blk */ \
307     UINT8                   Pm1EvtLen;          /* Byte Length of ports at pm1X_evt_blk */ \
308     UINT8                   Pm1CntLen;          /* Byte Length of ports at pm1X_cnt_blk */ \
309     UINT8                   Pm2CntLen;          /* Byte Length of ports at pm2_cnt_blk */ \
310     UINT8                   PmTmLen;            /* Byte Length of ports at pm_tm_blk */ \
311     UINT8                   Gpe0BlkLen;         /* Byte Length of ports at gpe0_blk */ \
312     UINT8                   Gpe1BlkLen;         /* Byte Length of ports at gpe1_blk */ \
313     UINT8                   Gpe1Base;           /* Offset in gpe model where gpe1 events start */ \
314     UINT8                   CstCnt;             /* Support for the _CST object and C States change notification.*/ \
315     UINT16                  Plvl2Lat;           /* Worst case HW latency to enter/exit C2 state */ \
316     UINT16                  Plvl3Lat;           /* Worst case HW latency to enter/exit C3 state */ \
317     UINT16                  FlushSize;          /* Processor's memory cache line width, in bytes */ \
318     UINT16                  FlushStride;        /* Number of flush strides that need to be read */ \
319     UINT8                   DutyOffset;         /* Processor's duty cycle index in processor's P_CNT reg*/ \
320     UINT8                   DutyWidth;          /* Processor's duty cycle value bit width in P_CNT register.*/ \
321     UINT8                   DayAlrm;            /* Index to day-of-month alarm in RTC CMOS RAM */ \
322     UINT8                   MonAlrm;            /* Index to month-of-year alarm in RTC CMOS RAM */ \
323     UINT8                   Century;            /* Index to century in RTC CMOS RAM */ \
324     UINT16                  IapcBootArch;       /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/ \
325     UINT8                   Reserved2;          /* Reserved, must be zero */
326 
327 
328 /*
329  * ACPI 2.0+ FADT
330  */
331 typedef struct fadt_descriptor
332 {
333     ACPI_FADT_COMMON
334 
335     /* Flags (32 bits) */
336 
337     UINT8                   WbInvd      : 1;    /* 00:    The wbinvd instruction works properly */
338     UINT8                   WbInvdFlush : 1;    /* 01:    The wbinvd flushes but does not invalidate */
339     UINT8                   ProcC1      : 1;    /* 02:    All processors support C1 state */
340     UINT8                   Plvl2Up     : 1;    /* 03:    C2 state works on MP system */
341     UINT8                   PwrButton   : 1;    /* 04:    Power button is handled as a generic feature */
342     UINT8                   SleepButton : 1;    /* 05:    Sleep button is handled as a generic feature, or not present */
343     UINT8                   FixedRTC    : 1;    /* 06:    RTC wakeup stat not in fixed register space */
344     UINT8                   Rtcs4       : 1;    /* 07:    RTC wakeup stat not possible from S4 */
345     UINT8                   TmrValExt   : 1;    /* 08:    tmr_val is 32 bits 0=24-bits */
346     UINT8                   DockCap     : 1;    /* 09:    Docking supported */
347     UINT8                   ResetRegSup : 1;    /* 10:    System reset via the FADT RESET_REG supported */
348     UINT8                   SealedCase  : 1;    /* 11:    No internal expansion capabilities and case is sealed */
349     UINT8                   Headless    : 1;    /* 12:    No local video capabilities or local input devices */
350     UINT8                   CpuSwSleep  : 1;    /* 13:    Must execute native instruction after writing SLP_TYPx register */
351 
352     UINT8                   PciExpWak                           : 1; /* 14:    System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
353     UINT8                   UsePlatformClock                    : 1; /* 15:    OSPM should use platform-provided timer (ACPI 3.0) */
354     UINT8                   S4RtcStsValid                       : 1; /* 16:    Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
355     UINT8                   RemotePowerOnCapable                : 1; /* 17:    System is compatible with remote power on (ACPI 3.0) */
356     UINT8                   ForceApicClusterModel               : 1; /* 18:    All local APICs must use cluster model (ACPI 3.0) */
357     UINT8                   ForceApicPhysicalDestinationMode    : 1; /* 19:    All local xAPICs must use physical dest mode (ACPI 3.0) */
358     UINT8                                                       : 4; /* 20-23: Reserved, must be zero */
359     UINT8                   Reserved3;                               /* 24-31: Reserved, must be zero */
360 
361     ACPI_GENERIC_ADDRESS    ResetRegister;      /* Reset register address in GAS format */
362     UINT8                   ResetValue;         /* Value to write to the ResetRegister port to reset the system */
363     UINT8                   Reserved4[3];       /* These three bytes must be zero */
364     UINT64                  XFirmwareCtrl;      /* 64-bit physical address of FACS */
365     UINT64                  XDsdt;              /* 64-bit physical address of DSDT */
366     ACPI_GENERIC_ADDRESS    XPm1aEvtBlk;        /* Extended Power Mgt 1a AcpiEvent Reg Blk address */
367     ACPI_GENERIC_ADDRESS    XPm1bEvtBlk;        /* Extended Power Mgt 1b AcpiEvent Reg Blk address */
368     ACPI_GENERIC_ADDRESS    XPm1aCntBlk;        /* Extended Power Mgt 1a Control Reg Blk address */
369     ACPI_GENERIC_ADDRESS    XPm1bCntBlk;        /* Extended Power Mgt 1b Control Reg Blk address */
370     ACPI_GENERIC_ADDRESS    XPm2CntBlk;         /* Extended Power Mgt 2 Control Reg Blk address */
371     ACPI_GENERIC_ADDRESS    XPmTmrBlk;          /* Extended Power Mgt Timer Ctrl Reg Blk address */
372     ACPI_GENERIC_ADDRESS    XGpe0Blk;           /* Extended General Purpose AcpiEvent 0 Reg Blk address */
373     ACPI_GENERIC_ADDRESS    XGpe1Blk;           /* Extended General Purpose AcpiEvent 1 Reg Blk address */
374 
375 } FADT_DESCRIPTOR;
376 
377 
378 /*
379  * "Down-revved" ACPI 2.0 FADT descriptor
380  * Defined here to allow compiler to generate the length of the struct
381  */
382 typedef struct fadt_descriptor_rev2_minus
383 {
384     ACPI_FADT_COMMON
385     UINT32                  Flags;
386     ACPI_GENERIC_ADDRESS    ResetRegister;      /* Reset register address in GAS format */
387     UINT8                   ResetValue;         /* Value to write to the ResetRegister port to reset the system. */
388     UINT8                   Reserved7[3];       /* Reserved, must be zero */
389 
390 } FADT_DESCRIPTOR_REV2_MINUS;
391 
392 
393 /*
394  * ACPI 1.0 FADT
395  * Defined here to allow compiler to generate the length of the struct
396  */
397 typedef struct fadt_descriptor_rev1
398 {
399     ACPI_FADT_COMMON
400     UINT32                  Flags;
401 
402 } FADT_DESCRIPTOR_REV1;
403 
404 
405 /* FADT: Prefered Power Management Profiles */
406 
407 #define PM_UNSPECIFIED                  0
408 #define PM_DESKTOP                      1
409 #define PM_MOBILE                       2
410 #define PM_WORKSTATION                  3
411 #define PM_ENTERPRISE_SERVER            4
412 #define PM_SOHO_SERVER                  5
413 #define PM_APPLIANCE_PC                 6
414 
415 /* FADT: Boot Arch Flags */
416 
417 #define BAF_LEGACY_DEVICES              0x0001
418 #define BAF_8042_KEYBOARD_CONTROLLER    0x0002
419 
420 #define FADT2_REVISION_ID               3
421 #define FADT2_MINUS_REVISION_ID         2
422 
423 
424 /* Reset to default packing */
425 
426 #pragma pack()
427 
428 /*
429  * This macro is temporary until the table bitfield flag definitions
430  * are removed and replaced by a Flags field.
431  */
432 #define ACPI_FLAG_OFFSET(d,f,o)         (UINT8) (ACPI_OFFSET (d,f) + \
433                                             sizeof(((d *)0)->f) + o)
434 /*
435  * Get the remaining ACPI tables
436  */
437 #include "actbl1.h"
438 
439 /*
440  * ACPI Table information.  We save the table address, length,
441  * and type of memory allocation (mapped or allocated) for each
442  * table for 1) when we exit, and 2) if a new table is installed
443  */
444 #define ACPI_MEM_NOT_ALLOCATED  0
445 #define ACPI_MEM_ALLOCATED      1
446 #define ACPI_MEM_MAPPED         2
447 
448 /* Definitions for the Flags bitfield member of ACPI_TABLE_SUPPORT */
449 
450 #define ACPI_TABLE_SINGLE       0x00
451 #define ACPI_TABLE_MULTIPLE     0x01
452 #define ACPI_TABLE_EXECUTABLE   0x02
453 
454 #define ACPI_TABLE_ROOT         0x00
455 #define ACPI_TABLE_PRIMARY      0x10
456 #define ACPI_TABLE_SECONDARY    0x20
457 #define ACPI_TABLE_ALL          0x30
458 #define ACPI_TABLE_TYPE_MASK    0x30
459 
460 /* Data about each known table type */
461 
462 typedef struct acpi_table_support
463 {
464     char                    *Name;
465     char                    *Signature;
466     void                    **GlobalPtr;
467     UINT8                   SigLength;
468     UINT8                   Flags;
469 
470 } ACPI_TABLE_SUPPORT;
471 
472 
473 /* Macros used to generate offsets to specific table fields */
474 
475 #define ACPI_FACS_OFFSET(f)             (UINT8) ACPI_OFFSET (FACS_DESCRIPTOR,f)
476 #define ACPI_FADT_OFFSET(f)             (UINT8) ACPI_OFFSET (FADT_DESCRIPTOR, f)
477 #define ACPI_GAS_OFFSET(f)              (UINT8) ACPI_OFFSET (ACPI_GENERIC_ADDRESS,f)
478 #define ACPI_HDR_OFFSET(f)              (UINT8) ACPI_OFFSET (ACPI_TABLE_HEADER,f)
479 #define ACPI_RSDP_OFFSET(f)             (UINT8) ACPI_OFFSET (RSDP_DESCRIPTOR,f)
480 
481 #define ACPI_FADT_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (FADT_DESCRIPTOR,f,o)
482 #define ACPI_FACS_FLAG_OFFSET(f,o)      ACPI_FLAG_OFFSET (FACS_DESCRIPTOR,f,o)
483 
484 #endif /* __ACTBL_H__ */
485