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[Qemu-devel] [PATCH v4 3/7] vmxnet3: Introduce 'x-old-msi-offsets' back-
From: |
Shmulik Ladkani |
Subject: |
[Qemu-devel] [PATCH v4 3/7] vmxnet3: Introduce 'x-old-msi-offsets' back-compat property |
Date: |
Thu, 24 Dec 2015 09:17:37 +0200 |
Following the previous patches, where vmxnet3's pci's msi/msix
capability offsets and msix's PBA table offsets have been changed, this
patch introduces a boolean property 'x-old-msi-offsets' to vmxnet3,
whose default is false.
Setting 'x-old-msi-offsets' to 'on' preserves the old offsets behavior,
which allows migration to older versions.
Signed-off-by: Shmulik Ladkani <address@hidden>
---
hw/net/vmxnet3.c | 2 ++
include/hw/compat.h | 6 +++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 97f0aea..d1fe888 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -2564,6 +2564,8 @@ static const VMStateDescription vmstate_vmxnet3 = {
static Property vmxnet3_properties[] = {
DEFINE_NIC_PROPERTIES(VMXNET3State, conf),
+ DEFINE_PROP_BIT("x-old-msi-offsets", VMXNET3State, compat_flags,
+ VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT, false),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/include/hw/compat.h b/include/hw/compat.h
index 3d8d2a9..fd20d0e 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -2,7 +2,11 @@
#define HW_COMPAT_H
#define HW_COMPAT_2_5 \
- /* empty */
+ {\
+ .driver = "vmxnet3",\
+ .property = "x-old-msi-offsets",\
+ .value = "on",\
+ },
#define HW_COMPAT_2_4 \
{\
--
1.9.1
- [Qemu-devel] [PATCH v4 0/7] vmxnet3: Fine-tune device capabilities, Shmulik Ladkani, 2015/12/24
- [Qemu-devel] [PATCH v4 1/7] vmxnet3: Change offsets of msi/msix pci capabilities, Shmulik Ladkani, 2015/12/24
- [Qemu-devel] [PATCH v4 2/7] vmxnet3: Change the offset of the MSIX PBA table, Shmulik Ladkani, 2015/12/24
- [Qemu-devel] [PATCH v4 3/7] vmxnet3: Introduce 'x-old-msi-offsets' back-compat property,
Shmulik Ladkani <=
- [Qemu-devel] [PATCH v4 4/7] vmxnet3: coding: Introduce VMXNET3Class, Shmulik Ladkani, 2015/12/24
- [Qemu-devel] [PATCH v4 5/7] vmxnet3: The vmxnet3 device is a PCIE endpoint, Shmulik Ladkani, 2015/12/24
- [Qemu-devel] [PATCH v4 6/7] vmxnet3: Introduce 'x-disable-pcie' back-compat property, Shmulik Ladkani, 2015/12/24
- [Qemu-devel] [PATCH v4 7/7] vmxnet3: Report the Device Serial Number capability, Shmulik Ladkani, 2015/12/24
- Re: [Qemu-devel] [PATCH v4 0/7] vmxnet3: Fine-tune device capabilities, Jason Wang, 2015/12/27