From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50925) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a9cdm-0000Tl-Jv for qemu-devel@nongnu.org; Thu, 17 Dec 2015 12:46:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a9cdk-0006m2-5Z for qemu-devel@nongnu.org; Thu, 17 Dec 2015 12:46:58 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54510) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a9cdk-0006ly-0b for qemu-devel@nongnu.org; Thu, 17 Dec 2015 12:46:56 -0500 From: Paolo Bonzini Date: Thu, 17 Dec 2015 18:46:04 +0100 Message-Id: <1450374401-31352-9-git-send-email-pbonzini@redhat.com> In-Reply-To: <1450374401-31352-1-git-send-email-pbonzini@redhat.com> References: <1450374401-31352-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 08/45] vmw_pvscsi: Introduce 'x-old-pci-configuration' backword compatability property List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Shmulik Ladkani From: Shmulik Ladkani Following the previous patches, which introduced various changes in pvscsi's pci configuration space (device subsystem id and revision, msi offset), this patch introduces a boolean property 'x-old-pci-configuration' to pvscsi. Its default value is false, exposing the above changes in the pci config space. Setting 'x-old-pci-configuration' to 'on' preserves the old behavior, which allows migration to older versions. Signed-off-by: Shmulik Ladkani Message-Id: <1449994112-7054-4-git-send-email-shmulik.ladkani@ravellosystems.com> Signed-off-by: Paolo Bonzini --- hw/scsi/vmw_pvscsi.c | 2 ++ include/hw/compat.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c index be95cff..e785b8b 100644 --- a/hw/scsi/vmw_pvscsi.c +++ b/hw/scsi/vmw_pvscsi.c @@ -1194,6 +1194,8 @@ static const VMStateDescription vmstate_pvscsi = { static Property pvscsi_properties[] = { DEFINE_PROP_UINT8("use_msg", PVSCSIState, use_msg, 1), + DEFINE_PROP_BIT("x-old-pci-configuration", PVSCSIState, compat_flags, + PVSCSI_COMPAT_OLD_PCI_CONFIGURATION_BIT, false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/compat.h b/include/hw/compat.h index d0b1c4f..66e4aff 100644 --- a/include/hw/compat.h +++ b/include/hw/compat.h @@ -7,6 +7,10 @@ .property = "scsi",\ .value = "true",\ },{\ + .driver = "pvscsi",\ + .property = "x-old-pci-configuration",\ + .value = "on",\ + },{\ .driver = "e1000",\ .property = "extra_mac_registers",\ .value = "off",\ -- 2.5.0