acpica-tools/SOURCES/0042-Support-IVRS-in-a-big-endian-world.patch
2022-05-17 15:07:28 +00:00

139 lines
5.5 KiB
Diff

From b64cff82b2b33ed659826d777d2db039f64fd198 Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Tue, 29 Jun 2021 17:45:24 -0600
Subject: [PATCH 42/45] Support IVRS in a big-endian world
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/common/dmtbdump2.c | 34 +++++++++++++++++++---------------
1 file changed, 19 insertions(+), 15 deletions(-)
Index: acpica-unix2-20210604/source/common/dmtbdump2.c
===================================================================
--- acpica-unix2-20210604.orig/source/common/dmtbdump2.c
+++ acpica-unix2-20210604/source/common/dmtbdump2.c
@@ -419,11 +419,14 @@ AcpiDmDumpIvrs (
ACPI_IVRS_DE_HEADER *DeviceEntry;
ACPI_IVRS_HEADER *Subtable;
ACPI_DMTABLE_INFO *InfoTable;
+ UINT32 TableLength = AcpiUtReadUint32 (&Table->Length);
+ UINT16 SubtableLength;
+
/* Main table */
- Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoIvrs);
+ Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoIvrs);
if (ACPI_FAILURE (Status))
{
return;
@@ -433,8 +436,9 @@ AcpiDmDumpIvrs (
Subtable = ACPI_ADD_PTR (ACPI_IVRS_HEADER, Table, Offset);
- while (Offset < Table->Length)
+ while (Offset < TableLength)
{
+ SubtableLength = AcpiUtReadUint16 (&Subtable->Length);
switch (Subtable->Type)
{
/* Type 10h, IVHD (I/O Virtualization Hardware Definition) */
@@ -471,7 +475,7 @@ AcpiDmDumpIvrs (
/* Attempt to continue */
- if (!Subtable->Length)
+ if (!SubtableLength)
{
AcpiOsPrintf ("Invalid zero length subtable\n");
return;
@@ -481,8 +485,8 @@ AcpiDmDumpIvrs (
/* Dump the subtable */
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
- Subtable->Length, InfoTable);
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
+ SubtableLength, InfoTable);
if (ACPI_FAILURE (Status))
{
return;
@@ -511,7 +515,7 @@ AcpiDmDumpIvrs (
/* Process all of the Device Entries */
- while (EntryOffset < (Offset + Subtable->Length))
+ while (EntryOffset < (Offset + SubtableLength))
{
AcpiOsPrintf ("\n");
@@ -581,7 +585,7 @@ AcpiDmDumpIvrs (
/* Dump the Device Entry */
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
DeviceEntry, EntryLength, InfoTable);
if (ACPI_FAILURE (Status))
{
@@ -605,12 +609,12 @@ AcpiDmDumpIvrs (
*/
if (UtIsIdInteger ((UINT8 *) &HidSubtable->AcpiHid))
{
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
&HidSubtable->AcpiHid, 8, AcpiDmTableInfoIvrsHidInteger);
}
else
{
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
&HidSubtable->AcpiHid, 8, AcpiDmTableInfoIvrsHidString);
}
if (ACPI_FAILURE (Status))
@@ -628,12 +632,12 @@ AcpiDmDumpIvrs (
*/
if (UtIsIdInteger ((UINT8 *) &HidSubtable->AcpiCid))
{
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
&HidSubtable->AcpiCid, 8, AcpiDmTableInfoIvrsCidInteger);
}
else
{
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
&HidSubtable->AcpiCid, 8, AcpiDmTableInfoIvrsCidString);
}
if (ACPI_FAILURE (Status))
@@ -650,7 +654,7 @@ AcpiDmDumpIvrs (
if (HidSubtable->UidType == ACPI_IVRS_UID_IS_STRING)
{
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
&HidSubtable->UidType, EntryLength, AcpiDmTableInfoIvrsUidString);
if (ACPI_FAILURE (Status))
{
@@ -659,7 +663,7 @@ AcpiDmDumpIvrs (
}
else /* ACPI_IVRS_UID_IS_INTEGER */
{
- Status = AcpiDmDumpTable (Table->Length, EntryOffset,
+ Status = AcpiDmDumpTable (TableLength, EntryOffset,
&HidSubtable->UidType, EntryLength, AcpiDmTableInfoIvrsUidInteger);
if (ACPI_FAILURE (Status))
{
@@ -678,8 +682,8 @@ AcpiDmDumpIvrs (
NextSubtable:
/* Point to next subtable */
- Offset += Subtable->Length;
- Subtable = ACPI_ADD_PTR (ACPI_IVRS_HEADER, Subtable, Subtable->Length);
+ Offset += SubtableLength;
+ Subtable = ACPI_ADD_PTR (ACPI_IVRS_HEADER, Subtable, SubtableLength);
}
}