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[Qemu-devel] [PATCH v2 3/6] vmw_pvscsi: Introduce 'x-old-pci-configurati
From: |
Shmulik Ladkani |
Subject: |
[Qemu-devel] [PATCH v2 3/6] vmw_pvscsi: Introduce 'x-old-pci-configuration' backword compatability property |
Date: |
Sun, 13 Dec 2015 10:08:29 +0200 |
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 <address@hidden>
---
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",\
--
1.9.1
- [Qemu-devel] [PATCH v2 0/6] pvscsi: Fine-tune device capabilities, Shmulik Ladkani, 2015/12/13
- [Qemu-devel] [PATCH v2 1/6] vmw_pvscsi: Set device subsystem and revision, Shmulik Ladkani, 2015/12/13
- [Qemu-devel] [PATCH v2 2/6] vmw_pvscsi: Change offset of msi pci capability, Shmulik Ladkani, 2015/12/13
- [Qemu-devel] [PATCH v2 3/6] vmw_pvscsi: Introduce 'x-old-pci-configuration' backword compatability property,
Shmulik Ladkani <=
- [Qemu-devel] [PATCH v2 4/6] vmw_pvscsi: coding: Introduce PVSCSIClass, Shmulik Ladkani, 2015/12/13
- [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Shmulik Ladkani, 2015/12/13
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Paolo Bonzini, 2015/12/14
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Shmulik Ladkani, 2015/12/14
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Michael S. Tsirkin, 2015/12/14
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Paolo Bonzini, 2015/12/14
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Shmulik Ladkani, 2015/12/14
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Michael S. Tsirkin, 2015/12/14
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Shmulik Ladkani, 2015/12/15
- Re: [Qemu-devel] [PATCH v2 5/6] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Marcel Apfelbaum, 2015/12/14