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[Qemu-devel] [RFC PATCH v2 14/21][SeaBIOS] acpi_dsdt: Support _OST dimm
From: |
Vasilis Liaskovitis |
Subject: |
[Qemu-devel] [RFC PATCH v2 14/21][SeaBIOS] acpi_dsdt: Support _OST dimm method |
Date: |
Wed, 11 Jul 2012 12:31:59 +0200 |
Add support for _OST method. _OST method will write into the correct I/O byte to
signal success / failure of hot-add or hot-remove to qemu.
Signed-off-by: Vasilis Liaskovitis <address@hidden>
---
src/acpi-dsdt.dsl | 46 ++++++++++++++++++++++++++++++++++++++++++++++
src/ssdt-mem.dsl | 4 ++++
2 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl
index 5d3e92b..1c253ca 100644
--- a/src/acpi-dsdt.dsl
+++ b/src/acpi-dsdt.dsl
@@ -762,6 +762,28 @@ DefinitionBlock (
MPE, 8
}
+
+ /* Memory hot-remove notify failure byte */
+ OperationRegion(MEEF, SystemIO, 0xafa1, 1)
+ Field (MEEF, ByteAcc, NoLock, Preserve)
+ {
+ MEF, 8
+ }
+
+ /* Memory hot-add notify success byte */
+ OperationRegion(MPIS, SystemIO, 0xafa2, 1)
+ Field (MPIS, ByteAcc, NoLock, Preserve)
+ {
+ MIS, 8
+ }
+
+ /* Memory hot-add notify failure byte */
+ OperationRegion(MPIF, SystemIO, 0xafa3, 1)
+ Field (MPIF, ByteAcc, NoLock, Preserve)
+ {
+ MIF, 8
+ }
+
Method(MESC, 0) {
// Local5 = active memdevice bitmap
Store (MES, Local5)
@@ -802,6 +824,30 @@ DefinitionBlock (
Store(Arg0, MPE)
Sleep(200)
}
+ Method (MOST, 3, Serialized) {
+ // _OST method - OS status indication
+ Switch (And(Arg0, 0xFF)) {
+ Case(0x3)
+ {
+ Switch(And(Arg1, 0xFF)) {
+ Case(0x1) {
+ Store(Arg2, MEF)
+ }
+ }
+ }
+ Case(0x1)
+ {
+ Switch(And(Arg1, 0xFF)) {
+ Case(0x0) {
+ Store(Arg2, MIS)
+ }
+ Case(0x1) {
+ Store(Arg2, MIF)
+ }
+ }
+ }
+ }
+ }
}
diff --git a/src/ssdt-mem.dsl b/src/ssdt-mem.dsl
index ee322f0..041d301 100644
--- a/src/ssdt-mem.dsl
+++ b/src/ssdt-mem.dsl
@@ -38,6 +38,7 @@ DefinitionBlock ("ssdt-mem.aml", "SSDT", 0x02, "BXPC",
"CSSDT", 0x1)
External(CMST, MethodObj)
External(MPEJ, MethodObj)
+ External(MOST, MethodObj)
Name(_CRS, ResourceTemplate() {
QwordMemory(
@@ -60,6 +61,9 @@ DefinitionBlock ("ssdt-mem.aml", "SSDT", 0x02, "BXPC",
"CSSDT", 0x1)
Method (_EJ0, 1, NotSerialized) {
MPEJ(ID, Arg0)
}
+ Method (_OST, 3) {
+ MOST(Arg0, Arg1, ID)
+ }
}
}
--
1.7.9
- [Qemu-devel] [RFC PATCH v2 05/21][SeaBIOS] pciinit: Fix pcimem_start value, (continued)
[Qemu-devel] [RFC PATCH v2 08/21] pc: calculate dimm physical addresses and adjust memory map, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 04/21][SeaBIOS] acpi: generate hotplug memory devices, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 02/21][SeaBIOS] Add SSDT memory device support, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 14/21][SeaBIOS] acpi_dsdt: Support _OST dimm method,
Vasilis Liaskovitis <=
[Qemu-devel] [RFC PATCH v2 17/21][SeaBIOS] acpi_dsdt: Revert internal dimm state on _OST failure, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 06/21] dimm: Implement memory device abstraction, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 03/21][SeaBIOS] acpi-dsdt: Implement functions for memory hotplug, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 12/21] fix live-migration when "populated=on" is missing, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 10/21] Implement "-dimm" command line option, Vasilis Liaskovitis, 2012/07/11
[Qemu-devel] [RFC PATCH v2 09/21] pc: Add dimm paravirt SRAT info, Vasilis Liaskovitis, 2012/07/11