From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:57782) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TF1FB-0000JO-Nb for qemu-devel@nongnu.org; Fri, 21 Sep 2012 07:18:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TF1F5-00040I-G6 for qemu-devel@nongnu.org; Fri, 21 Sep 2012 07:18:01 -0400 Received: from mail-bk0-f45.google.com ([209.85.214.45]:58755) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TF1F5-0003rI-AS for qemu-devel@nongnu.org; Fri, 21 Sep 2012 07:17:55 -0400 Received: by mail-bk0-f45.google.com with SMTP id jg9so1317042bkc.4 for ; Fri, 21 Sep 2012 04:17:55 -0700 (PDT) From: Vasilis Liaskovitis Date: Fri, 21 Sep 2012 13:17:30 +0200 Message-Id: <1348226255-4226-15-git-send-email-vasilis.liaskovitis@profitbricks.com> In-Reply-To: <1348226255-4226-1-git-send-email-vasilis.liaskovitis@profitbricks.com> References: <1348226255-4226-1-git-send-email-vasilis.liaskovitis@profitbricks.com> Subject: [Qemu-devel] [RFC PATCH v3 14/19][SeaBIOS] Add _OST dimm method List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, kvm@vger.kernel.org, seabios@seabios.org Cc: Vasilis Liaskovitis , gleb@redhat.com, blauwirbel@gmail.com, kevin@koconnor.net, avi@redhat.com, anthony@codemonkey.ws, imammedo@redhat.com, eblake@redhat.com, kraxel@redhat.com 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 --- src/acpi-dsdt.dsl | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ src/ssdt-mem.dsl | 4 ++++ 2 files changed, 54 insertions(+), 0 deletions(-) diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl index 5d3e92b..0d37bbc 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 +824,34 @@ 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) + // Revert MEON flag for this memory device to one + Store(One, Index(MEON, Arg2)) + } + } + } + Case(0x1) + { + Switch(And(Arg1, 0xFF)) { + Case(0x0) { + Store(Arg2, MIS) + } + Case(0x1) { + Store(Arg2, MIF) + // Revert MEON flag for this memory device to zero + Store(Zero, Index(MEON, Arg2)) + } + } + } + } + } } 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