[Qemu-devel] [PATCH 29/35] pc: ACPI BIOS: punch holes in PCI0._CRS for memory hotplug IO region

[Igor Mammedov]

... to make sure that IO range used by memory hotlug won't be used by PCI
devices.

Signed-off-by: Igor Mammedov <address@hidden>
---
 hw/i386/acpi-dsdt.dsl     | 10 +++++++++-
 hw/i386/q35-acpi-dsdt.dsl | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index f93353f..b846195 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -39,9 +39,17 @@ DefinitionBlock (
      WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \
          0x0000, \
          0x0000, \
+         0x09FF, \
+         0x0000, \
+         0x0A00, \
+         ,, , TypeStatic) \
+     /* 0xa00-0xa17 hole for memory hotplug, 
include/hw/acpi/memory_hotplug.h:ACPI_MEMORY_HOTPLUG_BASE */ \
+     WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \
+         0x0000, \
+         0x0A18, \
          0x0CF7, \
          0x0000, \
-         0x0CF8, \
+         0x02E0, \
          ,, , TypeStatic) \
      WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \
          0x0000, \
diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl
index 3838fc7..766e96d 100644
--- a/hw/i386/q35-acpi-dsdt.dsl
+++ b/hw/i386/q35-acpi-dsdt.dsl
@@ -52,9 +52,17 @@ DefinitionBlock (
      WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \
          0x0000, \
          0x0000, \
+         0x09FF, \
+         0x0000, \
+         0x0A00, \
+         ,, , TypeStatic) \
+     /* 0xa00-0xa17 hole for memory hotplug, 
include/hw/acpi/memory_hotplug.h:ACPI_MEMORY_HOTPLUG_BASE */ \
+     WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \
+         0x0000, \
+         0x0A18, \
          0x0CD7, \
          0x0000, \
-         0x0CD8, \
+         0x02C0, \
          ,, , TypeStatic) \
      /* 0xcd8-0xcf7 hole for CPU hotplug, hw/acpi/ich9.c:ICH9_PROC_BASE */ \
      WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \
-- 
1.9.0