acpi.h@ 106443

Last change on this file since 106443 was 106344, checked in by vboxsync, 7 weeks ago
Runtime: Add ACPI table builder API to dynamically generate a DSDT/SSDT, bugref:10733 [doxygen fix]
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 21.7 KB

Line
1	/** @file
2	* IPRT - Advanced Configuration and Power Interface (ACPI) Table generation API.
3	*/
4
5	/*
6	* Copyright (C) 2024 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef IPRT_INCLUDED_acpi_h
37	#define IPRT_INCLUDED_acpi_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42	#include <iprt/cdefs.h>
43	#include <iprt/types.h>
44	#include <iprt/vfs.h>
45
46	#include <iprt/formats/acpi-tables.h>
47
48
49	RT_C_DECLS_BEGIN
50
51	/** @defgroup grp_rt_acpi RTAcpi - Advanced Configuration and Power Interface (ACPI) Table generation API.
52	* @ingroup grp_rt
53	* @{
54	*/
55
56	#ifdef IN_RING3
57
58
59	/**
60	* Regenerates the ACPI checksum for the given data.
61	*
62	* @returns The checksum for the given data.
63	* @param pvData The data to check sum.
64	* @param cbData Number of bytes to check sum.
65	*/
66	RTDECL(uint8_t) RTAcpiChecksumGenerate(const void *pvData, size_t cbData);
67
68
69	/**
70	* Generates and writes the table header checksum for the given ACPI table.
71	*
72	* @param pTbl Pointer to the ACPI table to set the checksum for.
73	* @param cbTbl Size of the table in bytes, including the ACPI table header.
74	*/
75	RTDECL(void) RTAcpiTblHdrChecksumGenerate(PACPITBLHDR pTbl, size_t cbTbl);
76
77
78	/**
79	* Creates a new empty ACPI table.
80	*
81	* @returns IPRT status code.
82	* @param phAcpiTbl Where to store the ACPI table handle on success.
83	* @param u32TblSig The signature of the table to use.
84	* @param bRevision The revision of the table.
85	* @param pszOemId The OEM supplied string identifiying the OEM, maximum of 6 characters.
86	* @param pszOemTblId The OEM supplied string identifiying the OEM table, maximum of 8 characters.
87	* @param u32OemRevision The OEM supplied revision number.
88	* @param pszCreatorId Vendor ID of the utility that created the table, maximum of 4 characters.
89	* @param u32CreatorRevision Revision of the utility that created the table.
90	*/
91	RTDECL(int) RTAcpiTblCreate(PRTACPITBL phAcpiTbl, uint32_t u32TblSig, uint8_t bRevision, const char *pszOemId,
92	const char pszOemTblId, uint32_t u32OemRevision, const char pszCreatorId,
93	uint32_t u32CreatorRevision);
94
95
96	/**
97	* Destroys the given ACPI table, freeing all resources.
98	*
99	* @param hAcpiTbl The ACPI table handle to destroy.
100	*/
101	RTDECL(void) RTAcpiTblDestroy(RTACPITBL hAcpiTbl);
102
103
104	/**
105	* Finalizes the given ACPI table, setting the header and generating checksums.
106	*
107	* @returns IPRT status code.
108	* @param hAcpiTbl The ACPI table handle to finalize.
109	*
110	* @note Nothing can be added to the table after this was called.
111	*/
112	RTDECL(int) RTAcpiTblFinalize(RTACPITBL hAcpiTbl);
113
114
115	/**
116	* Returns the size of the given ACPI table.
117	*
118	* @returns Size of the given ACPI table in bytes, 0 on error.
119	* @param hAcpiTbl The ACPI table handle.
120	*
121	* @note This can only be called after RTAcpiTblFinalize() was called successfully.
122	*/
123	RTDECL(uint32_t) RTAcpiTblGetSize(RTACPITBL hAcpiTbl);
124
125
126	/**
127	* Dumps the given ACPI table to the given VFS I/O stream.
128	*
129	* @returns IPRT status code.
130	* @param hAcpiTbl The ACPI table handle.
131	* @param hVfsIos The VFS I/O stream handle to dump the table to.
132	*/
133	RTDECL(int) RTAcpiTblDumpToVfsIoStrm(RTACPITBL hAcpiTbl, RTVFSIOSTREAM hVfsIos);
134
135
136	/**
137	* Dumps the given ACPI table to the given file.
138	*
139	* @returns IPRT status code.
140	* @param hAcpiTbl The ACPI table handle.
141	* @param pszFilename The file path to dump the table to.
142	*/
143	RTDECL(int) RTAcpiTblDumpToFile(RTACPITBL hAcpiTbl, const char *pszFilename);
144
145
146	/**
147	* Starts a new DefScope object.
148	*
149	* @returns IPRT status code.
150	* @param hAcpiTbl The ACPI table handle.
151	* @param pszName Name of the scope, can have a root (\) specifier optionally.
152	*/
153	RTDECL(int) RTAcpiTblScopeStart(RTACPITBL hAcpiTbl, const char *pszName);
154
155
156	/**
157	* Finalizes the current scope object, nothing can be added to the scope afterwards.
158	*
159	* @returns IPRT status code.
160	* @param hAcpiTbl The ACPI table handle.
161	*/
162	RTDECL(int) RTAcpiTblScopeFinalize(RTACPITBL hAcpiTbl);
163
164
165	/**
166	* Starts a new DefPackage object.
167	*
168	* @returns IPRT status code.
169	* @param hAcpiTbl The ACPI table handle.
170	* @param cElements Number of element which will be inside the package,
171	* only supports up to 255 elements, use DefVarPackage if more is required.
172	*/
173	RTDECL(int) RTAcpiTblPackageStart(RTACPITBL hAcpiTbl, uint8_t cElements);
174
175
176	/**
177	* Finalizes the current DefPackage object, and return to the enclosing object's scope.
178	*
179	* @returns IPRT status code.
180	* @param hAcpiTbl The ACPI table handle.
181	*/
182	RTDECL(int) RTAcpiTblPackageFinalize(RTACPITBL hAcpiTbl);
183
184
185	/**
186	* Starts a new device object for the given ACPI table in the current scope.
187	*
188	* @returns IPRT status code.
189	* @param hAcpiTbl The ACPI table handle.
190	* @param pszName Name of the device object, must be <= 4 characters long.
191	*/
192	RTDECL(int) RTAcpiTblDeviceStart(RTACPITBL hAcpiTbl, const char *pszName);
193
194
195	/**
196	* Starts a new device object for the given ACPI table in the current scope.
197	*
198	* @returns IPRT status code.
199	* @param hAcpiTbl The ACPI table handle.
200	* @param pszNameFmt The name of the device as a format string.
201	* @param ... The format arguments.
202	*/
203	RTDECL(int) RTAcpiTblDeviceStartF(RTACPITBL hAcpiTbl, const char *pszNameFmt, ...) RT_IPRT_FORMAT_ATTR(2, 3);
204
205
206	/**
207	* Starts a new device object for the given ACPI table in the current scope.
208	*
209	* @returns IPRT status code.
210	* @param hAcpiTbl The ACPI table handle.
211	* @param pszNameFmt The name of the device as a format string.
212	* @param va The format arguments.
213	*/
214	RTDECL(int) RTAcpiTblDeviceStartV(RTACPITBL hAcpiTbl, const char *pszNameFmt, va_list va) RT_IPRT_FORMAT_ATTR(2, 0);
215
216
217	/**
218	* Finalizes the current scope object, nothing can be added to the scope afterwards.
219	*
220	* @returns IPRT status code.
221	* @param hAcpiTbl The ACPI table handle.
222	*/
223	RTDECL(int) RTAcpiTblDeviceFinalize(RTACPITBL hAcpiTbl);
224
225
226	/**
227	* Starts a new method object for the given ACPI table in the current scope.
228	*
229	* @returns IPRT status code.
230	* @param hAcpiTbl The ACPI table handle.
231	* @param pszName The method name.
232	* @param fFlags AML method flags, see RTACPI_METHOD_F_XXX.
233	* @param cArgs Number of arguments this method takes.
234	* @param uSyncLvl The sync level.
235	*/
236	RTDECL(int) RTAcpiTblMethodStart(RTACPITBL hAcpiTbl, const char *pszName, uint8_t cArgs, uint32_t fFlags, uint8_t uSyncLvl);
237
238
239	/** ACPI method is not serialized. */
240	#define RTACPI_METHOD_F_NOT_SERIALIZED 0
241	/** ACPI method call needs to be serialized in the ACPI interpreter. */
242	#define RTACPI_METHOD_F_SERIALIZED RT_BIT_32(0)
243
244
245	/**
246	* Finalizes the current method object, nothing can be added to the method afterwards.
247	*
248	* @returns IPRT status code.
249	* @param hAcpiTbl The ACPI table handle.
250	*/
251	RTDECL(int) RTAcpiTblMethodFinalize(RTACPITBL hAcpiTbl);
252
253
254	/**
255	* Appends a new DefName object (only the NameOp NameString part, DataRefObject is left for the caller
256	* to append).
257	*
258	* @returns IPRT status code.
259	* @param hAcpiTbl The ACPI table handle.
260	* @param pszName The name to append.
261	*/
262	RTDECL(int) RTAcpiTblNameAppend(RTACPITBL hAcpiTbl, const char *pszName);
263
264
265	/**
266	* Appends a new String object.
267	*
268	* @returns IPRT status code.
269	* @param hAcpiTbl The ACPI table handle.
270	* @param psz The string to append.
271	*/
272	RTDECL(int) RTAcpiTblStringAppend(RTACPITBL hAcpiTbl, const char *psz);
273
274
275	/**
276	* Appends a new integer object (depending on the value ZeroOp, OneOp,
277	* BytePrefix, WordPrefix, DWordPrefix or QWordPrefix is used).
278	*
279	* @returns IPRT status code.
280	* @param hAcpiTbl The ACPI table handle.
281	* @param u64 The 64-bit value to append.
282	*/
283	RTDECL(int) RTAcpiTblIntegerAppend(RTACPITBL hAcpiTbl, uint64_t u64);
284
285
286	/**
287	* Appends a new DefBuffer object under the current scope.
288	*
289	* @returns IPRT status code.
290	* @param hAcpiTbl The ACPI table handle.
291	* @param pvBuf The buffer data.
292	* @param cbBuf Size of the buffer in bytes.
293	*/
294	RTDECL(int) RTAcpiTblBufferAppend(RTACPITBL hAcpiTbl, const void *pvBuf, size_t cbBuf);
295
296
297	/**
298	* Appends the given resource as a DefBuffer under the current scope.
299	*
300	* @returns IPRT status code.
301	* @param hAcpiTbl The ACPI table handle.
302	* @param hAcpiRes The ACPI resource handle.
303	*/
304	RTDECL(int) RTAcpiTblResourceAppend(RTACPITBL hAcpiTbl, RTACPIRES hAcpiRes);
305
306
307	/**
308	* List of statements.
309	*/
310	typedef enum RTACPISTMT
311	{
312	/** Invalid statement. */
313	kAcpiStmt_Invalid = 0,
314	/** Return statement. */
315	kAcpiStmt_Return,
316	/** Breakpoint statement. */
317	kAcpiStmt_Breakpoint,
318	/** No operation statement. */
319	kAcpiStmt_Nop,
320	/** Break statement. */
321	kAcpiStmt_Break,
322	/** Continue statement. */
323	kAcpiStmt_Continue
324	} RTACPISTMT;
325
326
327	/**
328	* Appends the given simple statement to the given ACPI table in the current scope.
329	*
330	* @returns IPRT status code.
331	* @param hAcpiTbl The ACPI table handle.
332	* @param enmStmt The statement to add.
333	*/
334	RTDECL(int) RTAcpiTblStmtSimpleAppend(RTACPITBL hAcpiTbl, RTACPISTMT enmStmt);
335
336
337	/** @name ACPI resource builder related API.
338	* @{ */
339
340	/**
341	* Creates a new empty resource template.
342	*
343	* @returns IPRT status code.
344	* @param phAcpiRes Where to store the handle to the ACPI resource on success.
345	*/
346	RTDECL(int) RTAcpiResourceCreate(PRTACPIRES phAcpiRes);
347
348
349	/**
350	* Destroys the given ACPI resource, freeing all allocated resources.
351	*
352	* @param hAcpiRes The ACPI resource handle to destroy.
353	*/
354	RTDECL(void) RTAcpiResourceDestroy(RTACPIRES hAcpiRes);
355
356
357	/**
358	* Resets the given ACPI resource handle to create a new empty template.
359	*
360	* @param hAcpiRes The ACPI resource handle.
361	*/
362	RTDECL(void) RTAcpiResourceReset(RTACPIRES hAcpiRes);
363
364
365	/**
366	* Seals the given ACPI resource against further changes and adds any
367	* missing data required to complete the resource buffer.
368	*
369	* @returns IPRT status code.
370	* @param hAcpiRes The ACPI resource handle.
371	*
372	* @note After a call to this method completed successfully it is not possible
373	* to add new resources until RTAcpiResourceReset() was called.
374	*/
375	RTDECL(int) RTAcpiResourceSeal(RTACPIRES hAcpiRes);
376
377
378	/**
379	* Queries the pointer to the buffer holding the encoded data.
380	*
381	* @returns IPRT status code.
382	* @param hAcpiRes The ACPI resource handle.
383	* @param ppvRes Where to store the pointer to the buffer holding the encoded resource template on success.
384	* @param pcbRes Where to store the size of the encoded data in bytes on success.
385	*
386	* @note The ACPI resource must be successfully sealed with RTAcpiResourceSeal() for this function to succeed.
387	* Also the buffer pointer will only be valid until a call to any other RTAcpiResource* method.
388	*/
389	RTDECL(int) RTAcpiResourceQueryBuffer(RTACPIRES hAcpiRes, const void *ppvRes, size_t pcbRes);
390
391
392	/**
393	* Adds a fixed memory range with the given start address and size to the given ACPI resource.
394	*
395	* @returns IPRT status code.
396	* @param hAcpiRes The ACPI resource handle.
397	* @param u32AddrBase The base address to encode.
398	* @param cbRange The range length in bytes to encode.
399	* @param fRw Flag whether this address range is read-write or read-only.
400	*/
401	RTDECL(int) RTAcpiResourceAdd32BitFixedMemoryRange(RTACPIRES hAcpiRes, uint32_t u32AddrBase, uint32_t cbRange,
402	bool fRw);
403
404
405	/**
406	* Adds an extended interrupt descriptor with the given configuration to the given ACPI resource.
407	*
408	* @returns IPRT status code.
409	* @param hAcpiRes The ACPI resource handle.
410	* @param fConsumer Flag whether the entity this resource is assigned to consumes the interrupt (true) or produces it (false).
411	* @param fEdgeTriggered Flag whether the interrupt is edged (true) or level (false) triggered.
412	* @param fActiveLow Flag whether the interrupt polarity is active low (true) or active high (false).
413	* @param fShared Flag whether the interrupt is shared between different entities (true) or exclusive to the assigned entity (false).
414	* @param fWakeCapable Flag whether the interrupt can wake the system (true) or not (false).
415	* @param cIntrs Number of interrupts following.
416	* @param pau32Intrs Pointer to the array of interrupt numbers.
417	*/
418	RTDECL(int) RTAcpiResourceAddExtendedInterrupt(RTACPIRES hAcpiRes, bool fConsumer, bool fEdgeTriggered, bool fActiveLow, bool fShared,
419	bool fWakeCapable, uint8_t cIntrs, uint32_t *pau32Intrs);
420
421
422	/** @name Generic address space flags.
423	* @{ */
424	#define RTACPI_RESOURCE_ADDR_RANGE_F_DECODE_TYPE_SUB RT_BIT_32(0)
425	#define RTACPI_RESOURCE_ADDR_RANGE_F_DECODE_TYPE_POS 0
426
427	#define RTACPI_RESOURCE_ADDR_RANGE_F_MIN_ADDR_FIXED RT_BIT_32(1)
428	#define RTACPI_RESOURCE_ADDR_RANGE_F_MIN_ADDR_CHANGEABLE 0
429
430	#define RTACPI_RESOURCE_ADDR_RANGE_F_MAX_ADDR_FIXED RT_BIT_32(2)
431	#define RTACPI_RESOURCE_ADDR_RANGE_F_MAX_ADDR_CHANGEABLE 0
432
433	#define RTACPI_RESOURCE_ADDR_RANGE_F_VALID_MASK UINT32_C(0x00000007)
434	/** @} */
435
436	/**
437	* Memory range cacheability
438	*/
439	typedef enum RTACPIRESMEMRANGECACHEABILITY
440	{
441	/** Usual invalid value. */
442	kAcpiResMemRangeCacheability_Invalid = 0,
443	/** Memory range is non cacheable (like MMIO, etc.). */
444	kAcpiResMemRangeCacheability_NonCacheable,
445	/** Memory is cacheable. */
446	kAcpiResMemRangeCacheability_Cacheable,
447	/** Memory is cacheable and supports write comining. */
448	kAcpiResMemRangeCacheability_CacheableWriteCombining,
449	/** Memory is cacheable and supports prefetching. */
450	kAcpiResMemRangeCacheability_CacheablePrefetchable,
451	/** 32-bit blow up hack. */
452	kAcpiResMemRangeCacheability_32BitHack = 0x7fffffff
453	} RTACPIRESMEMRANGECACHEABILITY;
454
455
456	/**
457	* Memory attribute.
458	*/
459	typedef enum RTACPIRESMEMRANGETYPE
460	{
461	/** Invalid memory range type. */
462	kAcpiResMemType_Invalid = 0,
463	/** Memory range is actual memory. */
464	kAcpiResMemType_Memory,
465	/** Memory range is reserved. */
466	kAcpiResMemType_Reserved,
467	/** Memory range is reserved to ACPI. */
468	kAcpiResMemType_Acpi,
469	/** Memory range is no volatile storage. */
470	kAcpiResMemType_Nvs,
471	/** 32-bit blow up hack. */
472	kAcpiResMemType_32BitHack = 0x7fffffff
473	} RTACPIRESMEMRANGETYPE;
474
475
476	/**
477	* Adds a quad word (64-bit) memory range to the given ACPI resource.
478	*
479	* @returns IPRT status code.
480	* @param hAcpiRes The ACPI resource handle.
481	* @param enmCacheability The cacheability of the memory range.
482	* @param enmType Memory range type.
483	* @param fRw Flag whether the memory range is read/write (true) or readonly (false).
484	* @param fAddrSpace Additional address space flags (combination of RTACPI_RESOURCE_ADDR_RANGE_F_XXX).
485	* @param u64AddrMin The start address of the memory range.
486	* @param u64AddrMax Last valid address of the range.
487	* @param u64OffTrans Translation offset being applied to the address (for a PCIe bridge or IOMMU for example).
488	* @param u64Granularity The access granularity of the range in bytes.
489	* @param u64Length Length of the memory range in bytes.
490	*/
491	RTDECL(int) RTAcpiResourceAddQWordMemoryRange(RTACPIRES hAcpiRes, RTACPIRESMEMRANGECACHEABILITY enmCacheability,
492	RTACPIRESMEMRANGETYPE enmType, bool fRw, uint32_t fAddrSpace,
493	uint64_t u64AddrMin, uint64_t u64AddrMax, uint64_t u64OffTrans,
494	uint64_t u64Granularity, uint64_t u64Length);
495
496
497	/**
498	* Adds a double word (32-bit) memory range to the given ACPI resource.
499	*
500	* @returns IPRT status code.
501	* @param hAcpiRes The ACPI resource handle.
502	* @param enmCacheability The cacheability of the memory range.
503	* @param enmType Memory range type.
504	* @param fRw Flag whether the memory range is read/write (true) or readonly (false).
505	* @param fAddrSpace Additional address space flags (combination of RTACPI_RESOURCE_ADDR_RANGE_F_XXX).
506	* @param u32AddrMin The start address of the memory range.
507	* @param u32AddrMax Last valid address of the range.
508	* @param u32OffTrans Translation offset being applied to the address (for a PCIe bridge or IOMMU for example).
509	* @param u32Granularity The access granularity of the range in bytes.
510	* @param u32Length Length of the memory range in bytes.
511	*/
512	RTDECL(int) RTAcpiResourceAddDWordMemoryRange(RTACPIRES hAcpiRes, RTACPIRESMEMRANGECACHEABILITY enmCacheability,
513	RTACPIRESMEMRANGETYPE enmType, bool fRw, uint32_t fAddrSpace,
514	uint32_t u32AddrMin, uint32_t u32AddrMax, uint32_t u32OffTrans,
515	uint32_t u32Granularity, uint32_t u32Length);
516
517
518	/**
519	* I/O range coverage.
520	*/
521	typedef enum RTACPIRESIORANGE
522	{
523	/** Invalid range. */
524	kAcpiResIoRange_Invalid = 0,
525	/** Range covers only non ISA I/O ports. */
526	kAcpiResIoRange_NonIsaOnly,
527	/** Range covers only ISA I/O ports. */
528	kAcpiResIoRange_IsaOnly,
529	/** Range covers the whole I/O port range. */
530	kAcpiResIoRange_Whole,
531	/** 32-bit blow up hack. */
532	kAcpiResIoRange_32BitHack = 0x7fffffff
533	} RTACPIRESIORANGE;
534
535
536	/**
537	* I/O range type.
538	*/
539	typedef enum RTACPIRESIORANGETYPE
540	{
541	/** Invalid value. */
542	kAcpiResIoRangeType_Invalid = 0,
543	/** Resource is I/O on the primary and secondary side of the bridge. */
544	kAcpiResIoRangeType_Static,
545	/** Resource is memory on the primary and I/O on the secondary side of the bridge,
546	* primary side memory address for a given I/O port is calculated with
547	* address = (((Port & 0xfffc) << 10) \|\| (Port & 0xfff)) + AddrMin. */
548	kAcpiResIoRangeType_Translation_Sparse,
549	/** Resource is memory on the primary and I/O on the secondary side of the bridge,
550	* primary side memory address for a given I/O port is calculated with
551	* address = AddrMin + Port. */
552	kAcpiResIoRangeType_Translation_Dense,
553	/** 32-bit blowup hack. */
554	kAcpiResIoRangeType_32BitHack = 0x7fffffff
555	} RTACPIRESIORANGETYPE;
556
557
558	/**
559	* Adds a quad word (64-bit) I/O range to the given ACPI resource.
560	*
561	* @returns IPRT status code.
562	* @param hAcpiRes The ACPI resource handle.
563	* @param enmIoType The I/O range type.
564	* @param enmIoRange The I/O range coverage.
565	* @param fAddrSpace Additional address space flags (combination of RTACPI_RESOURCE_ADDR_RANGE_F_XXX).
566	* @param u64AddrMin The start address of the memory range.
567	* @param u64AddrMax Last valid address of the range.
568	* @param u64OffTrans Translation offset being applied to the address (for a PCIe bridge or IOMMU for example).
569	* @param u64Granularity The access granularity of the range in bytes.
570	* @param u64Length Length of the memory range in bytes.
571	*/
572	RTDECL(int) RTAcpiResourceAddQWordIoRange(RTACPIRES hAcpiRes, RTACPIRESIORANGETYPE enmIoType, RTACPIRESIORANGE enmIoRange,
573	uint32_t fAddrSpace, uint64_t u64AddrMin, uint64_t u64AddrMax, uint64_t u64OffTrans,
574	uint64_t u64Granularity, uint64_t u64Length);
575
576
577	/**
578	* Adds a word (16-bit) bus number to the given ACPI resource.
579	*
580	* @returns IPRT status code.
581	* @param hAcpiRes The ACPI resource handle.
582	* @param fAddrSpace Additional address space flags (combination of RTACPI_RESOURCE_ADDR_RANGE_F_XXX).
583	* @param u16BusMin Starting bus number.
584	* @param u16BusMax Last valid bus number.
585	* @param u16OffTrans Translation offset being applied to the bus number.
586	* @param u16Granularity The access granularity of the bus number.
587	* @param u16Length Length of the bus range.
588	*/
589	RTDECL(int) RTAcpiResourceAddWordBusNumber(RTACPIRES hAcpiRes, uint32_t fAddrSpace, uint16_t u16BusMin, uint16_t u16BusMax,
590	uint16_t u16OffTrans, uint16_t u16Granularity, uint16_t u16Length);
591
592	/** @} */
593
594	#endif /* IN_RING3 */
595
596	/** @} */
597
598	RT_C_DECLS_END
599
600	#endif /* !IPRT_INCLUDED_acpi_h */
601

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/include/iprt/acpi.h@ 106443

Download in other formats: