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[Qemu-devel] [PULL 08/45] vmw_pvscsi: Introduce 'x-old-pci-configuration
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 08/45] vmw_pvscsi: Introduce 'x-old-pci-configuration' backword compatability property |
Date: |
Thu, 17 Dec 2015 18:46:04 +0100 |
From: Shmulik Ladkani <address@hidden>
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>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <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",\
--
2.5.0
- [Qemu-devel] [PULL 00/45] KVM, memory, SCSI, qemu_log, Coverity patches for 2015-12-17, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 02/45] memory: Eliminate memory_region_destructor_ram_from_ptr(), Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 01/45] exec: Eliminate qemu_ram_free_from_ptr(), Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 04/45] kvm-all: PAGE_SIZE should be real host page size, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 05/45] memory: emulate ioeventfd, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 03/45] exec: Remove unnecessary RAM_FILE flag, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 08/45] vmw_pvscsi: Introduce 'x-old-pci-configuration' backword compatability property,
Paolo Bonzini <=
- [Qemu-devel] [PULL 06/45] vmw_pvscsi: Set device subsystem and revision, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 09/45] vmw_pvscsi: coding: Introduce PVSCSIClass, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 07/45] vmw_pvscsi: Change offset of msi pci capability, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 10/45] vmw_pvscsi: The pvscsi device is a PCIE endpoint, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 11/45] vmw_pvscsi: Introduce 'x-disable-pcie' backword compatability property, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 14/45] kvm: Hyper-V SynIC irq routing support, Paolo Bonzini, 2015/12/17
- [Qemu-devel] [PULL 13/45] target-i386/kvm: Hyper-V SynIC MSR's support, Paolo Bonzini, 2015/12/17