1 /*******************************************************************************
2 *
3 * Module Name: rsutils - Utilities for the resource manager
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2011, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
156 UINT16 ItemCount,
157 UINT8 MoveType)
158 {
159 UINT32 i;
160
161
162 ACPI_FUNCTION_ENTRY ();
163
164
165 /* One move per item */
166
167 for (i = 0; i < ItemCount; i++)
168 {
169 switch (MoveType)
170 {
171 /*
172 * For the 8-bit case, we can perform the move all at once
173 * since there are no alignment or endian issues
174 */
175 case ACPI_RSC_MOVE8:
176 ACPI_MEMCPY (Destination, Source, ItemCount);
177 return;
178
179 /*
180 * 16-, 32-, and 64-bit cases must use the move macros that perform
181 * endian conversion and/or accomodate hardware that cannot perform
182 * misaligned memory transfers
183 */
184 case ACPI_RSC_MOVE16:
185 ACPI_MOVE_16_TO_16 (&ACPI_CAST_PTR (UINT16, Destination)[i],
186 &ACPI_CAST_PTR (UINT16, Source)[i]);
187 break;
188
189 case ACPI_RSC_MOVE32:
190 ACPI_MOVE_32_TO_32 (&ACPI_CAST_PTR (UINT32, Destination)[i],
191 &ACPI_CAST_PTR (UINT32, Source)[i]);
192 break;
193
194 case ACPI_RSC_MOVE64:
195 ACPI_MOVE_64_TO_64 (&ACPI_CAST_PTR (UINT64, Destination)[i],
196 &ACPI_CAST_PTR (UINT64, Source)[i]);
197 break;
198
199 default:
200 return;
201 }
202 }
203 }
204
205
206 /*******************************************************************************
207 *
208 * FUNCTION: AcpiRsSetResourceLength
209 *
210 * PARAMETERS: TotalLength - Length of the AML descriptor, including
211 * the header and length fields.
212 * Aml - Pointer to the raw AML descriptor
213 *
214 * RETURN: None
215 *
216 * DESCRIPTION: Set the ResourceLength field of an AML
217 * resource descriptor, both Large and Small descriptors are
218 * supported automatically. Note: Descriptor Type field must
219 * be valid.
636 {
637 return_ACPI_STATUS (Status);
638 }
639
640 /*
641 * Make the call to create a resource linked list from the
642 * byte stream buffer that comes back from the _CRS method
643 * execution.
644 */
645 Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
646
647 /* On exit, we must delete the object returned by evaluateObject */
648
649 AcpiUtRemoveReference (ObjDesc);
650 return_ACPI_STATUS (Status);
651 }
652
653
654 /*******************************************************************************
655 *
656 * FUNCTION: AcpiRsGetMethodData
657 *
658 * PARAMETERS: Handle - Handle to the containing object
659 * Path - Path to method, relative to Handle
660 * RetBuffer - Pointer to a buffer structure for the
661 * results
662 *
663 * RETURN: Status
664 *
665 * DESCRIPTION: This function is called to get the _CRS or _PRS value of an
666 * object contained in an object specified by the handle passed in
667 *
668 * If the function fails an appropriate status will be returned
669 * and the contents of the callers buffer is undefined.
670 *
671 ******************************************************************************/
672
673 ACPI_STATUS
674 AcpiRsGetMethodData (
675 ACPI_HANDLE Handle,
676 char *Path,
677 ACPI_BUFFER *RetBuffer)
678 {
679 ACPI_OPERAND_OBJECT *ObjDesc;
680 ACPI_STATUS Status;
681
682
683 ACPI_FUNCTION_TRACE (RsGetMethodData);
684
685
686 /* Parameters guaranteed valid by caller */
687
688 /* Execute the method, no parameters */
689
690 Status = AcpiUtEvaluateObject (Handle, Path, ACPI_BTYPE_BUFFER, &ObjDesc);
691 if (ACPI_FAILURE (Status))
692 {
693 return_ACPI_STATUS (Status);
694 }
695
696 /*
697 * Make the call to create a resource linked list from the
698 * byte stream buffer that comes back from the method
699 * execution.
700 */
701 Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
702
703 /* On exit, we must delete the object returned by EvaluateObject */
704
705 AcpiUtRemoveReference (ObjDesc);
706 return_ACPI_STATUS (Status);
707 }
708
709
710 /*******************************************************************************
733 ACPI_BUFFER *InBuffer)
734 {
735 ACPI_EVALUATE_INFO *Info;
736 ACPI_OPERAND_OBJECT *Args[2];
737 ACPI_STATUS Status;
738 ACPI_BUFFER Buffer;
739
740
741 ACPI_FUNCTION_TRACE (RsSetSrsMethodData);
742
743
744 /* Allocate and initialize the evaluation information block */
745
746 Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
747 if (!Info)
748 {
749 return_ACPI_STATUS (AE_NO_MEMORY);
750 }
751
752 Info->PrefixNode = Node;
753 Info->Pathname = METHOD_NAME__SRS;
754 Info->Parameters = Args;
755 Info->Flags = ACPI_IGNORE_RETURN_VALUE;
756
757 /*
758 * The InBuffer parameter will point to a linked list of
759 * resource parameters. It needs to be formatted into a
760 * byte stream to be sent in as an input parameter to _SRS
761 *
762 * Convert the linked list into a byte stream
763 */
764 Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
765 Status = AcpiRsCreateAmlResources (InBuffer->Pointer, &Buffer);
766 if (ACPI_FAILURE (Status))
767 {
768 goto Cleanup;
769 }
770
771 /* Create and initialize the method parameter object */
772
773 Args[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
774 if (!Args[0])
775 {
776 /*
777 * Must free the buffer allocated above (otherwise it is freed
778 * later)
779 */
780 ACPI_FREE (Buffer.Pointer);
781 Status = AE_NO_MEMORY;
782 goto Cleanup;
783 }
784
785 Args[0]->Buffer.Length = (UINT32) Buffer.Length;
786 Args[0]->Buffer.Pointer = Buffer.Pointer;
787 Args[0]->Common.Flags = AOPOBJ_DATA_VALID;
788 Args[1] = NULL;
789
790 /* Execute the method, no return value is expected */
791
792 Status = AcpiNsEvaluate (Info);
793
794 /* Clean up and return the status from AcpiNsEvaluate */
795
796 AcpiUtRemoveReference (Args[0]);
797
798 Cleanup:
799 ACPI_FREE (Info);
800 return_ACPI_STATUS (Status);
801 }
802
|
1 /*******************************************************************************
2 *
3 * Module Name: rsutils - Utilities for the resource manager
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2013, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
156 UINT16 ItemCount,
157 UINT8 MoveType)
158 {
159 UINT32 i;
160
161
162 ACPI_FUNCTION_ENTRY ();
163
164
165 /* One move per item */
166
167 for (i = 0; i < ItemCount; i++)
168 {
169 switch (MoveType)
170 {
171 /*
172 * For the 8-bit case, we can perform the move all at once
173 * since there are no alignment or endian issues
174 */
175 case ACPI_RSC_MOVE8:
176 case ACPI_RSC_MOVE_GPIO_RES:
177 case ACPI_RSC_MOVE_SERIAL_VEN:
178 case ACPI_RSC_MOVE_SERIAL_RES:
179
180 ACPI_MEMCPY (Destination, Source, ItemCount);
181 return;
182
183 /*
184 * 16-, 32-, and 64-bit cases must use the move macros that perform
185 * endian conversion and/or accommodate hardware that cannot perform
186 * misaligned memory transfers
187 */
188 case ACPI_RSC_MOVE16:
189 case ACPI_RSC_MOVE_GPIO_PIN:
190
191 ACPI_MOVE_16_TO_16 (&ACPI_CAST_PTR (UINT16, Destination)[i],
192 &ACPI_CAST_PTR (UINT16, Source)[i]);
193 break;
194
195 case ACPI_RSC_MOVE32:
196
197 ACPI_MOVE_32_TO_32 (&ACPI_CAST_PTR (UINT32, Destination)[i],
198 &ACPI_CAST_PTR (UINT32, Source)[i]);
199 break;
200
201 case ACPI_RSC_MOVE64:
202
203 ACPI_MOVE_64_TO_64 (&ACPI_CAST_PTR (UINT64, Destination)[i],
204 &ACPI_CAST_PTR (UINT64, Source)[i]);
205 break;
206
207 default:
208
209 return;
210 }
211 }
212 }
213
214
215 /*******************************************************************************
216 *
217 * FUNCTION: AcpiRsSetResourceLength
218 *
219 * PARAMETERS: TotalLength - Length of the AML descriptor, including
220 * the header and length fields.
221 * Aml - Pointer to the raw AML descriptor
222 *
223 * RETURN: None
224 *
225 * DESCRIPTION: Set the ResourceLength field of an AML
226 * resource descriptor, both Large and Small descriptors are
227 * supported automatically. Note: Descriptor Type field must
228 * be valid.
645 {
646 return_ACPI_STATUS (Status);
647 }
648
649 /*
650 * Make the call to create a resource linked list from the
651 * byte stream buffer that comes back from the _CRS method
652 * execution.
653 */
654 Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
655
656 /* On exit, we must delete the object returned by evaluateObject */
657
658 AcpiUtRemoveReference (ObjDesc);
659 return_ACPI_STATUS (Status);
660 }
661
662
663 /*******************************************************************************
664 *
665 * FUNCTION: AcpiRsGetAeiMethodData
666 *
667 * PARAMETERS: Node - Device node
668 * RetBuffer - Pointer to a buffer structure for the
669 * results
670 *
671 * RETURN: Status
672 *
673 * DESCRIPTION: This function is called to get the _AEI value of an object
674 * contained in an object specified by the handle passed in
675 *
676 * If the function fails an appropriate status will be returned
677 * and the contents of the callers buffer is undefined.
678 *
679 ******************************************************************************/
680
681 ACPI_STATUS
682 AcpiRsGetAeiMethodData (
683 ACPI_NAMESPACE_NODE *Node,
684 ACPI_BUFFER *RetBuffer)
685 {
686 ACPI_OPERAND_OBJECT *ObjDesc;
687 ACPI_STATUS Status;
688
689
690 ACPI_FUNCTION_TRACE (RsGetAeiMethodData);
691
692
693 /* Parameters guaranteed valid by caller */
694
695 /* Execute the method, no parameters */
696
697 Status = AcpiUtEvaluateObject (Node, METHOD_NAME__AEI,
698 ACPI_BTYPE_BUFFER, &ObjDesc);
699 if (ACPI_FAILURE (Status))
700 {
701 return_ACPI_STATUS (Status);
702 }
703
704 /*
705 * Make the call to create a resource linked list from the
706 * byte stream buffer that comes back from the _CRS method
707 * execution.
708 */
709 Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
710
711 /* On exit, we must delete the object returned by evaluateObject */
712
713 AcpiUtRemoveReference (ObjDesc);
714 return_ACPI_STATUS (Status);
715 }
716
717
718 /*******************************************************************************
719 *
720 * FUNCTION: AcpiRsGetMethodData
721 *
722 * PARAMETERS: Handle - Handle to the containing object
723 * Path - Path to method, relative to Handle
724 * RetBuffer - Pointer to a buffer structure for the
725 * results
726 *
727 * RETURN: Status
728 *
729 * DESCRIPTION: This function is called to get the _CRS or _PRS value of an
730 * object contained in an object specified by the handle passed in
731 *
732 * If the function fails an appropriate status will be returned
733 * and the contents of the callers buffer is undefined.
734 *
735 ******************************************************************************/
736
737 ACPI_STATUS
738 AcpiRsGetMethodData (
739 ACPI_HANDLE Handle,
740 char *Path,
741 ACPI_BUFFER *RetBuffer)
742 {
743 ACPI_OPERAND_OBJECT *ObjDesc;
744 ACPI_STATUS Status;
745
746
747 ACPI_FUNCTION_TRACE (RsGetMethodData);
748
749
750 /* Parameters guaranteed valid by caller */
751
752 /* Execute the method, no parameters */
753
754 Status = AcpiUtEvaluateObject (ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Handle),
755 Path, ACPI_BTYPE_BUFFER, &ObjDesc);
756 if (ACPI_FAILURE (Status))
757 {
758 return_ACPI_STATUS (Status);
759 }
760
761 /*
762 * Make the call to create a resource linked list from the
763 * byte stream buffer that comes back from the method
764 * execution.
765 */
766 Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer);
767
768 /* On exit, we must delete the object returned by EvaluateObject */
769
770 AcpiUtRemoveReference (ObjDesc);
771 return_ACPI_STATUS (Status);
772 }
773
774
775 /*******************************************************************************
798 ACPI_BUFFER *InBuffer)
799 {
800 ACPI_EVALUATE_INFO *Info;
801 ACPI_OPERAND_OBJECT *Args[2];
802 ACPI_STATUS Status;
803 ACPI_BUFFER Buffer;
804
805
806 ACPI_FUNCTION_TRACE (RsSetSrsMethodData);
807
808
809 /* Allocate and initialize the evaluation information block */
810
811 Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
812 if (!Info)
813 {
814 return_ACPI_STATUS (AE_NO_MEMORY);
815 }
816
817 Info->PrefixNode = Node;
818 Info->RelativePathname = METHOD_NAME__SRS;
819 Info->Parameters = Args;
820 Info->Flags = ACPI_IGNORE_RETURN_VALUE;
821
822 /*
823 * The InBuffer parameter will point to a linked list of
824 * resource parameters. It needs to be formatted into a
825 * byte stream to be sent in as an input parameter to _SRS
826 *
827 * Convert the linked list into a byte stream
828 */
829 Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
830 Status = AcpiRsCreateAmlResources (InBuffer, &Buffer);
831 if (ACPI_FAILURE (Status))
832 {
833 goto Cleanup;
834 }
835
836 /* Create and initialize the method parameter object */
837
838 Args[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
839 if (!Args[0])
840 {
841 /*
842 * Must free the buffer allocated above (otherwise it is freed
843 * later)
844 */
845 ACPI_FREE (Buffer.Pointer);
846 Status = AE_NO_MEMORY;
847 goto Cleanup;
848 }
849
850 Args[0]->Buffer.Length = (UINT32) Buffer.Length;
851 Args[0]->Buffer.Pointer = Buffer.Pointer;
852 Args[0]->Common.Flags = AOPOBJ_DATA_VALID;
853 Args[1] = NULL;
854
855 /* Execute the method, no return value is expected */
856
857 Status = AcpiNsEvaluate (Info);
858
859 /* Clean up and return the status from AcpiNsEvaluate */
860
861 AcpiUtRemoveReference (Args[0]);
862
863 Cleanup:
864 ACPI_FREE (Info);
865 return_ACPI_STATUS (Status);
866 }
|