1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: tbxfload - Table load/unload external interfaces
4bc36eafdSMike Gerdts *
5bc36eafdSMike Gerdts *****************************************************************************/
6bc36eafdSMike Gerdts
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12bc36eafdSMike Gerdts * All rights reserved.
13bc36eafdSMike Gerdts *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
119bc36eafdSMike Gerdts * Redistribution and use in source and binary forms, with or without
120bc36eafdSMike Gerdts * modification, are permitted provided that the following conditions
121bc36eafdSMike Gerdts * are met:
122bc36eafdSMike Gerdts * 1. Redistributions of source code must retain the above copyright
123bc36eafdSMike Gerdts * notice, this list of conditions, and the following disclaimer,
124bc36eafdSMike Gerdts * without modification.
125bc36eafdSMike Gerdts * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126bc36eafdSMike Gerdts * substantially similar to the "NO WARRANTY" disclaimer below
127bc36eafdSMike Gerdts * ("Disclaimer") and any redistribution must be conditioned upon
128bc36eafdSMike Gerdts * including a substantially similar Disclaimer requirement for further
129bc36eafdSMike Gerdts * binary redistribution.
130bc36eafdSMike Gerdts * 3. Neither the names of the above-listed copyright holders nor the names
131bc36eafdSMike Gerdts * of any contributors may be used to endorse or promote products derived
132bc36eafdSMike Gerdts * from this software without specific prior written permission.
133bc36eafdSMike Gerdts *
134*35786f68SRobert Mustacchi * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135*35786f68SRobert Mustacchi * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137*35786f68SRobert Mustacchi * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147bc36eafdSMike Gerdts * GNU General Public License ("GPL") version 2 as published by the Free
148bc36eafdSMike Gerdts * Software Foundation.
149bc36eafdSMike Gerdts *
150*35786f68SRobert Mustacchi *****************************************************************************/
151bc36eafdSMike Gerdts
152bc36eafdSMike Gerdts #define EXPORT_ACPI_INTERFACES
153bc36eafdSMike Gerdts
154bc36eafdSMike Gerdts #include "acpi.h"
155bc36eafdSMike Gerdts #include "accommon.h"
156bc36eafdSMike Gerdts #include "acnamesp.h"
157bc36eafdSMike Gerdts #include "actables.h"
158bc36eafdSMike Gerdts #include "acevents.h"
159bc36eafdSMike Gerdts
160bc36eafdSMike Gerdts #define _COMPONENT ACPI_TABLES
161bc36eafdSMike Gerdts ACPI_MODULE_NAME ("tbxfload")
162bc36eafdSMike Gerdts
163bc36eafdSMike Gerdts
164bc36eafdSMike Gerdts /*******************************************************************************
165bc36eafdSMike Gerdts *
166bc36eafdSMike Gerdts * FUNCTION: AcpiLoadTables
167bc36eafdSMike Gerdts *
168bc36eafdSMike Gerdts * PARAMETERS: None
169bc36eafdSMike Gerdts *
170bc36eafdSMike Gerdts * RETURN: Status
171bc36eafdSMike Gerdts *
172bc36eafdSMike Gerdts * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT
173bc36eafdSMike Gerdts *
174bc36eafdSMike Gerdts ******************************************************************************/
175bc36eafdSMike Gerdts
176*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
AcpiLoadTables(void)177bc36eafdSMike Gerdts AcpiLoadTables (
178bc36eafdSMike Gerdts void)
179bc36eafdSMike Gerdts {
180bc36eafdSMike Gerdts ACPI_STATUS Status;
181bc36eafdSMike Gerdts
182bc36eafdSMike Gerdts
183bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiLoadTables);
184bc36eafdSMike Gerdts
185bc36eafdSMike Gerdts
186bc36eafdSMike Gerdts /*
187bc36eafdSMike Gerdts * Install the default operation region handlers. These are the
188bc36eafdSMike Gerdts * handlers that are defined by the ACPI specification to be
189bc36eafdSMike Gerdts * "always accessible" -- namely, SystemMemory, SystemIO, and
190bc36eafdSMike Gerdts * PCI_Config. This also means that no _REG methods need to be
191bc36eafdSMike Gerdts * run for these address spaces. We need to have these handlers
192bc36eafdSMike Gerdts * installed before any AML code can be executed, especially any
193bc36eafdSMike Gerdts * module-level code (11/2015).
194bc36eafdSMike Gerdts * Note that we allow OSPMs to install their own region handlers
195bc36eafdSMike Gerdts * between AcpiInitializeSubsystem() and AcpiLoadTables() to use
196bc36eafdSMike Gerdts * their customized default region handlers.
197bc36eafdSMike Gerdts */
198bc36eafdSMike Gerdts Status = AcpiEvInstallRegionHandlers ();
199bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
200bc36eafdSMike Gerdts {
201bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "During Region initialization"));
202bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
203bc36eafdSMike Gerdts }
204bc36eafdSMike Gerdts
205bc36eafdSMike Gerdts /* Load the namespace from the tables */
206bc36eafdSMike Gerdts
207bc36eafdSMike Gerdts Status = AcpiTbLoadNamespace ();
208bc36eafdSMike Gerdts
209bc36eafdSMike Gerdts /* Don't let single failures abort the load */
210bc36eafdSMike Gerdts
211bc36eafdSMike Gerdts if (Status == AE_CTRL_TERMINATE)
212bc36eafdSMike Gerdts {
213bc36eafdSMike Gerdts Status = AE_OK;
214bc36eafdSMike Gerdts }
215bc36eafdSMike Gerdts
216bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
217bc36eafdSMike Gerdts {
218bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status,
219bc36eafdSMike Gerdts "While loading namespace from ACPI tables"));
220bc36eafdSMike Gerdts }
221bc36eafdSMike Gerdts
222*35786f68SRobert Mustacchi if (AcpiGbl_ExecuteTablesAsMethods || !AcpiGbl_GroupModuleLevelCode)
223bc36eafdSMike Gerdts {
224bc36eafdSMike Gerdts /*
225*35786f68SRobert Mustacchi * If the module-level code support is enabled, initialize the objects
226*35786f68SRobert Mustacchi * in the namespace that remain uninitialized. This runs the executable
227*35786f68SRobert Mustacchi * AML that may be part of the declaration of these name objects:
228bc36eafdSMike Gerdts * OperationRegions, BufferFields, Buffers, and Packages.
229*35786f68SRobert Mustacchi *
230*35786f68SRobert Mustacchi * Note: The module-level code is optional at this time, but will
231*35786f68SRobert Mustacchi * become the default in the future.
232bc36eafdSMike Gerdts */
233bc36eafdSMike Gerdts Status = AcpiNsInitializeObjects ();
234bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
235bc36eafdSMike Gerdts {
236bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
237bc36eafdSMike Gerdts }
238bc36eafdSMike Gerdts }
239bc36eafdSMike Gerdts
240bc36eafdSMike Gerdts AcpiGbl_NamespaceInitialized = TRUE;
241bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
242bc36eafdSMike Gerdts }
243bc36eafdSMike Gerdts
ACPI_EXPORT_SYMBOL_INIT(AcpiLoadTables)244bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL_INIT (AcpiLoadTables)
245bc36eafdSMike Gerdts
246bc36eafdSMike Gerdts
247bc36eafdSMike Gerdts /*******************************************************************************
248bc36eafdSMike Gerdts *
249bc36eafdSMike Gerdts * FUNCTION: AcpiTbLoadNamespace
250bc36eafdSMike Gerdts *
251bc36eafdSMike Gerdts * PARAMETERS: None
252bc36eafdSMike Gerdts *
253bc36eafdSMike Gerdts * RETURN: Status
254bc36eafdSMike Gerdts *
255bc36eafdSMike Gerdts * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in
256bc36eafdSMike Gerdts * the RSDT/XSDT.
257bc36eafdSMike Gerdts *
258bc36eafdSMike Gerdts ******************************************************************************/
259bc36eafdSMike Gerdts
260bc36eafdSMike Gerdts ACPI_STATUS
261bc36eafdSMike Gerdts AcpiTbLoadNamespace (
262bc36eafdSMike Gerdts void)
263bc36eafdSMike Gerdts {
264bc36eafdSMike Gerdts ACPI_STATUS Status;
265bc36eafdSMike Gerdts UINT32 i;
266bc36eafdSMike Gerdts ACPI_TABLE_HEADER *NewDsdt;
267bc36eafdSMike Gerdts ACPI_TABLE_DESC *Table;
268bc36eafdSMike Gerdts UINT32 TablesLoaded = 0;
269bc36eafdSMike Gerdts UINT32 TablesFailed = 0;
270bc36eafdSMike Gerdts
271bc36eafdSMike Gerdts
272bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (TbLoadNamespace);
273bc36eafdSMike Gerdts
274bc36eafdSMike Gerdts
275bc36eafdSMike Gerdts (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
276bc36eafdSMike Gerdts
277bc36eafdSMike Gerdts /*
278bc36eafdSMike Gerdts * Load the namespace. The DSDT is required, but any SSDT and
279bc36eafdSMike Gerdts * PSDT tables are optional. Verify the DSDT.
280bc36eafdSMike Gerdts */
281bc36eafdSMike Gerdts Table = &AcpiGbl_RootTableList.Tables[AcpiGbl_DsdtIndex];
282bc36eafdSMike Gerdts
283bc36eafdSMike Gerdts if (!AcpiGbl_RootTableList.CurrentTableCount ||
284bc36eafdSMike Gerdts !ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_DSDT) ||
285bc36eafdSMike Gerdts ACPI_FAILURE (AcpiTbValidateTable (Table)))
286bc36eafdSMike Gerdts {
287bc36eafdSMike Gerdts Status = AE_NO_ACPI_TABLES;
288bc36eafdSMike Gerdts goto UnlockAndExit;
289bc36eafdSMike Gerdts }
290bc36eafdSMike Gerdts
291bc36eafdSMike Gerdts /*
292bc36eafdSMike Gerdts * Save the DSDT pointer for simple access. This is the mapped memory
293bc36eafdSMike Gerdts * address. We must take care here because the address of the .Tables
294bc36eafdSMike Gerdts * array can change dynamically as tables are loaded at run-time. Note:
295bc36eafdSMike Gerdts * .Pointer field is not validated until after call to AcpiTbValidateTable.
296bc36eafdSMike Gerdts */
297bc36eafdSMike Gerdts AcpiGbl_DSDT = Table->Pointer;
298bc36eafdSMike Gerdts
299bc36eafdSMike Gerdts /*
300bc36eafdSMike Gerdts * Optionally copy the entire DSDT to local memory (instead of simply
301bc36eafdSMike Gerdts * mapping it.) There are some BIOSs that corrupt or replace the original
302bc36eafdSMike Gerdts * DSDT, creating the need for this option. Default is FALSE, do not copy
303bc36eafdSMike Gerdts * the DSDT.
304bc36eafdSMike Gerdts */
305bc36eafdSMike Gerdts if (AcpiGbl_CopyDsdtLocally)
306bc36eafdSMike Gerdts {
307bc36eafdSMike Gerdts NewDsdt = AcpiTbCopyDsdt (AcpiGbl_DsdtIndex);
308bc36eafdSMike Gerdts if (NewDsdt)
309bc36eafdSMike Gerdts {
310bc36eafdSMike Gerdts AcpiGbl_DSDT = NewDsdt;
311bc36eafdSMike Gerdts }
312bc36eafdSMike Gerdts }
313bc36eafdSMike Gerdts
314bc36eafdSMike Gerdts /*
315bc36eafdSMike Gerdts * Save the original DSDT header for detection of table corruption
316bc36eafdSMike Gerdts * and/or replacement of the DSDT from outside the OS.
317bc36eafdSMike Gerdts */
318bc36eafdSMike Gerdts memcpy (&AcpiGbl_OriginalDsdtHeader, AcpiGbl_DSDT,
319bc36eafdSMike Gerdts sizeof (ACPI_TABLE_HEADER));
320bc36eafdSMike Gerdts
321bc36eafdSMike Gerdts /* Load and parse tables */
322bc36eafdSMike Gerdts
323*35786f68SRobert Mustacchi (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
324bc36eafdSMike Gerdts Status = AcpiNsLoadTable (AcpiGbl_DsdtIndex, AcpiGbl_RootNode);
325*35786f68SRobert Mustacchi (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
326bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
327bc36eafdSMike Gerdts {
328bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "[DSDT] table load failed"));
329bc36eafdSMike Gerdts TablesFailed++;
330bc36eafdSMike Gerdts }
331bc36eafdSMike Gerdts else
332bc36eafdSMike Gerdts {
333bc36eafdSMike Gerdts TablesLoaded++;
334bc36eafdSMike Gerdts }
335bc36eafdSMike Gerdts
336bc36eafdSMike Gerdts /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */
337bc36eafdSMike Gerdts
338bc36eafdSMike Gerdts for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i)
339bc36eafdSMike Gerdts {
340bc36eafdSMike Gerdts Table = &AcpiGbl_RootTableList.Tables[i];
341bc36eafdSMike Gerdts
342*35786f68SRobert Mustacchi if (!Table->Address ||
343bc36eafdSMike Gerdts (!ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_SSDT) &&
344bc36eafdSMike Gerdts !ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_PSDT) &&
345bc36eafdSMike Gerdts !ACPI_COMPARE_NAME (Table->Signature.Ascii, ACPI_SIG_OSDT)) ||
346bc36eafdSMike Gerdts ACPI_FAILURE (AcpiTbValidateTable (Table)))
347bc36eafdSMike Gerdts {
348bc36eafdSMike Gerdts continue;
349bc36eafdSMike Gerdts }
350bc36eafdSMike Gerdts
351bc36eafdSMike Gerdts /* Ignore errors while loading tables, get as many as possible */
352bc36eafdSMike Gerdts
353bc36eafdSMike Gerdts (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
354bc36eafdSMike Gerdts Status = AcpiNsLoadTable (i, AcpiGbl_RootNode);
355*35786f68SRobert Mustacchi (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
356bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
357bc36eafdSMike Gerdts {
358bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "(%4.4s:%8.8s) while loading table",
359bc36eafdSMike Gerdts Table->Signature.Ascii, Table->Pointer->OemTableId));
360bc36eafdSMike Gerdts
361bc36eafdSMike Gerdts TablesFailed++;
362bc36eafdSMike Gerdts
363bc36eafdSMike Gerdts ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
364bc36eafdSMike Gerdts "Table [%4.4s:%8.8s] (id FF) - Table namespace load failed\n\n",
365bc36eafdSMike Gerdts Table->Signature.Ascii, Table->Pointer->OemTableId));
366bc36eafdSMike Gerdts }
367bc36eafdSMike Gerdts else
368bc36eafdSMike Gerdts {
369bc36eafdSMike Gerdts TablesLoaded++;
370bc36eafdSMike Gerdts }
371bc36eafdSMike Gerdts }
372bc36eafdSMike Gerdts
373bc36eafdSMike Gerdts if (!TablesFailed)
374bc36eafdSMike Gerdts {
375bc36eafdSMike Gerdts ACPI_INFO ((
376*35786f68SRobert Mustacchi "%u ACPI AML tables successfully acquired and loaded",
377bc36eafdSMike Gerdts TablesLoaded));
378bc36eafdSMike Gerdts }
379bc36eafdSMike Gerdts else
380bc36eafdSMike Gerdts {
381bc36eafdSMike Gerdts ACPI_ERROR ((AE_INFO,
382bc36eafdSMike Gerdts "%u table load failures, %u successful",
383bc36eafdSMike Gerdts TablesFailed, TablesLoaded));
384bc36eafdSMike Gerdts
385bc36eafdSMike Gerdts /* Indicate at least one failure */
386bc36eafdSMike Gerdts
387bc36eafdSMike Gerdts Status = AE_CTRL_TERMINATE;
388bc36eafdSMike Gerdts }
389bc36eafdSMike Gerdts
390*35786f68SRobert Mustacchi #ifdef ACPI_APPLICATION
391*35786f68SRobert Mustacchi ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "\n"));
392*35786f68SRobert Mustacchi #endif
393*35786f68SRobert Mustacchi
394*35786f68SRobert Mustacchi
395bc36eafdSMike Gerdts UnlockAndExit:
396bc36eafdSMike Gerdts (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
397bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
398bc36eafdSMike Gerdts }
399bc36eafdSMike Gerdts
400bc36eafdSMike Gerdts
401bc36eafdSMike Gerdts /*******************************************************************************
402bc36eafdSMike Gerdts *
403bc36eafdSMike Gerdts * FUNCTION: AcpiInstallTable
404bc36eafdSMike Gerdts *
405bc36eafdSMike Gerdts * PARAMETERS: Address - Address of the ACPI table to be installed.
406bc36eafdSMike Gerdts * Physical - Whether the address is a physical table
407bc36eafdSMike Gerdts * address or not
408bc36eafdSMike Gerdts *
409bc36eafdSMike Gerdts * RETURN: Status
410bc36eafdSMike Gerdts *
411bc36eafdSMike Gerdts * DESCRIPTION: Dynamically install an ACPI table.
412bc36eafdSMike Gerdts * Note: This function should only be invoked after
413bc36eafdSMike Gerdts * AcpiInitializeTables() and before AcpiLoadTables().
414bc36eafdSMike Gerdts *
415bc36eafdSMike Gerdts ******************************************************************************/
416bc36eafdSMike Gerdts
417*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
AcpiInstallTable(ACPI_PHYSICAL_ADDRESS Address,BOOLEAN Physical)418bc36eafdSMike Gerdts AcpiInstallTable (
419bc36eafdSMike Gerdts ACPI_PHYSICAL_ADDRESS Address,
420bc36eafdSMike Gerdts BOOLEAN Physical)
421bc36eafdSMike Gerdts {
422bc36eafdSMike Gerdts ACPI_STATUS Status;
423bc36eafdSMike Gerdts UINT8 Flags;
424bc36eafdSMike Gerdts UINT32 TableIndex;
425bc36eafdSMike Gerdts
426bc36eafdSMike Gerdts
427bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiInstallTable);
428bc36eafdSMike Gerdts
429bc36eafdSMike Gerdts
430bc36eafdSMike Gerdts if (Physical)
431bc36eafdSMike Gerdts {
432bc36eafdSMike Gerdts Flags = ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL;
433bc36eafdSMike Gerdts }
434bc36eafdSMike Gerdts else
435bc36eafdSMike Gerdts {
436bc36eafdSMike Gerdts Flags = ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL;
437bc36eafdSMike Gerdts }
438bc36eafdSMike Gerdts
439bc36eafdSMike Gerdts Status = AcpiTbInstallStandardTable (Address, Flags,
440bc36eafdSMike Gerdts FALSE, FALSE, &TableIndex);
441bc36eafdSMike Gerdts
442bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
443bc36eafdSMike Gerdts }
444bc36eafdSMike Gerdts
ACPI_EXPORT_SYMBOL_INIT(AcpiInstallTable)445bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL_INIT (AcpiInstallTable)
446bc36eafdSMike Gerdts
447bc36eafdSMike Gerdts
448bc36eafdSMike Gerdts /*******************************************************************************
449bc36eafdSMike Gerdts *
450bc36eafdSMike Gerdts * FUNCTION: AcpiLoadTable
451bc36eafdSMike Gerdts *
452bc36eafdSMike Gerdts * PARAMETERS: Table - Pointer to a buffer containing the ACPI
453bc36eafdSMike Gerdts * table to be loaded.
454bc36eafdSMike Gerdts *
455bc36eafdSMike Gerdts * RETURN: Status
456bc36eafdSMike Gerdts *
457bc36eafdSMike Gerdts * DESCRIPTION: Dynamically load an ACPI table from the caller's buffer. Must
458bc36eafdSMike Gerdts * be a valid ACPI table with a valid ACPI table header.
459bc36eafdSMike Gerdts * Note1: Mainly intended to support hotplug addition of SSDTs.
460bc36eafdSMike Gerdts * Note2: Does not copy the incoming table. User is responsible
461bc36eafdSMike Gerdts * to ensure that the table is not deleted or unmapped.
462bc36eafdSMike Gerdts *
463bc36eafdSMike Gerdts ******************************************************************************/
464bc36eafdSMike Gerdts
465bc36eafdSMike Gerdts ACPI_STATUS
466bc36eafdSMike Gerdts AcpiLoadTable (
467bc36eafdSMike Gerdts ACPI_TABLE_HEADER *Table)
468bc36eafdSMike Gerdts {
469bc36eafdSMike Gerdts ACPI_STATUS Status;
470bc36eafdSMike Gerdts UINT32 TableIndex;
471bc36eafdSMike Gerdts
472bc36eafdSMike Gerdts
473bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiLoadTable);
474bc36eafdSMike Gerdts
475bc36eafdSMike Gerdts
476bc36eafdSMike Gerdts /* Parameter validation */
477bc36eafdSMike Gerdts
478bc36eafdSMike Gerdts if (!Table)
479bc36eafdSMike Gerdts {
480bc36eafdSMike Gerdts return_ACPI_STATUS (AE_BAD_PARAMETER);
481bc36eafdSMike Gerdts }
482bc36eafdSMike Gerdts
483bc36eafdSMike Gerdts /* Install the table and load it into the namespace */
484bc36eafdSMike Gerdts
485bc36eafdSMike Gerdts ACPI_INFO (("Host-directed Dynamic ACPI Table Load:"));
486*35786f68SRobert Mustacchi Status = AcpiTbInstallAndLoadTable (ACPI_PTR_TO_PHYSADDR (Table),
487*35786f68SRobert Mustacchi ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, FALSE, &TableIndex);
488bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
489bc36eafdSMike Gerdts }
490bc36eafdSMike Gerdts
ACPI_EXPORT_SYMBOL(AcpiLoadTable)491bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL (AcpiLoadTable)
492bc36eafdSMike Gerdts
493bc36eafdSMike Gerdts
494bc36eafdSMike Gerdts /*******************************************************************************
495bc36eafdSMike Gerdts *
496bc36eafdSMike Gerdts * FUNCTION: AcpiUnloadParentTable
497bc36eafdSMike Gerdts *
498bc36eafdSMike Gerdts * PARAMETERS: Object - Handle to any namespace object owned by
499bc36eafdSMike Gerdts * the table to be unloaded
500bc36eafdSMike Gerdts *
501bc36eafdSMike Gerdts * RETURN: Status
502bc36eafdSMike Gerdts *
503bc36eafdSMike Gerdts * DESCRIPTION: Via any namespace object within an SSDT or OEMx table, unloads
504bc36eafdSMike Gerdts * the table and deletes all namespace objects associated with
505bc36eafdSMike Gerdts * that table. Unloading of the DSDT is not allowed.
506bc36eafdSMike Gerdts * Note: Mainly intended to support hotplug removal of SSDTs.
507bc36eafdSMike Gerdts *
508bc36eafdSMike Gerdts ******************************************************************************/
509bc36eafdSMike Gerdts
510bc36eafdSMike Gerdts ACPI_STATUS
511bc36eafdSMike Gerdts AcpiUnloadParentTable (
512bc36eafdSMike Gerdts ACPI_HANDLE Object)
513bc36eafdSMike Gerdts {
514bc36eafdSMike Gerdts ACPI_NAMESPACE_NODE *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Object);
515bc36eafdSMike Gerdts ACPI_STATUS Status = AE_NOT_EXIST;
516bc36eafdSMike Gerdts ACPI_OWNER_ID OwnerId;
517bc36eafdSMike Gerdts UINT32 i;
518bc36eafdSMike Gerdts
519bc36eafdSMike Gerdts
520bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiUnloadParentTable);
521bc36eafdSMike Gerdts
522bc36eafdSMike Gerdts
523bc36eafdSMike Gerdts /* Parameter validation */
524bc36eafdSMike Gerdts
525bc36eafdSMike Gerdts if (!Object)
526bc36eafdSMike Gerdts {
527bc36eafdSMike Gerdts return_ACPI_STATUS (AE_BAD_PARAMETER);
528bc36eafdSMike Gerdts }
529bc36eafdSMike Gerdts
530bc36eafdSMike Gerdts /*
531bc36eafdSMike Gerdts * The node OwnerId is currently the same as the parent table ID.
532bc36eafdSMike Gerdts * However, this could change in the future.
533bc36eafdSMike Gerdts */
534bc36eafdSMike Gerdts OwnerId = Node->OwnerId;
535bc36eafdSMike Gerdts if (!OwnerId)
536bc36eafdSMike Gerdts {
537bc36eafdSMike Gerdts /* OwnerId==0 means DSDT is the owner. DSDT cannot be unloaded */
538bc36eafdSMike Gerdts
539bc36eafdSMike Gerdts return_ACPI_STATUS (AE_TYPE);
540bc36eafdSMike Gerdts }
541bc36eafdSMike Gerdts
542*35786f68SRobert Mustacchi /* Must acquire the table lock during this operation */
543bc36eafdSMike Gerdts
544*35786f68SRobert Mustacchi Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
545bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
546bc36eafdSMike Gerdts {
547bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
548bc36eafdSMike Gerdts }
549bc36eafdSMike Gerdts
550bc36eafdSMike Gerdts /* Find the table in the global table list */
551bc36eafdSMike Gerdts
552bc36eafdSMike Gerdts for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
553bc36eafdSMike Gerdts {
554bc36eafdSMike Gerdts if (OwnerId != AcpiGbl_RootTableList.Tables[i].OwnerId)
555bc36eafdSMike Gerdts {
556bc36eafdSMike Gerdts continue;
557bc36eafdSMike Gerdts }
558bc36eafdSMike Gerdts
559bc36eafdSMike Gerdts /*
560bc36eafdSMike Gerdts * Allow unload of SSDT and OEMx tables only. Do not allow unload
561bc36eafdSMike Gerdts * of the DSDT. No other types of tables should get here, since
562bc36eafdSMike Gerdts * only these types can contain AML and thus are the only types
563bc36eafdSMike Gerdts * that can create namespace objects.
564bc36eafdSMike Gerdts */
565bc36eafdSMike Gerdts if (ACPI_COMPARE_NAME (
566bc36eafdSMike Gerdts AcpiGbl_RootTableList.Tables[i].Signature.Ascii,
567bc36eafdSMike Gerdts ACPI_SIG_DSDT))
568bc36eafdSMike Gerdts {
569bc36eafdSMike Gerdts Status = AE_TYPE;
570bc36eafdSMike Gerdts break;
571bc36eafdSMike Gerdts }
572bc36eafdSMike Gerdts
573*35786f68SRobert Mustacchi (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
574*35786f68SRobert Mustacchi Status = AcpiTbUnloadTable (i);
575*35786f68SRobert Mustacchi (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
576bc36eafdSMike Gerdts break;
577bc36eafdSMike Gerdts }
578bc36eafdSMike Gerdts
579*35786f68SRobert Mustacchi (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
580bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
581bc36eafdSMike Gerdts }
582bc36eafdSMike Gerdts
583bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL (AcpiUnloadParentTable)
584