From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59694) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1etv2Q-0007n0-FI for qemu-devel@nongnu.org; Thu, 08 Mar 2018 07:52:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1etv2L-0006oj-Nm for qemu-devel@nongnu.org; Thu, 08 Mar 2018 07:52:50 -0500 Received: from smtp.citrix.com ([66.165.176.89]:28406) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1etv2L-0006o6-Hw for qemu-devel@nongnu.org; Thu, 08 Mar 2018 07:52:45 -0500 From: Igor Druzhinin Date: Thu, 8 Mar 2018 12:52:31 +0000 Message-ID: <1520513551-19851-1-git-send-email-igor.druzhinin@citrix.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH] xen-pvdevice: Introduce a simplistic xen-pvdevice save state List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, xen-devel@lists.xenproject.org Cc: sstabellini@kernel.org, paul.durrant@citrix.com, anthony.perard@citrix.com, mst@redhat.com, pbonzini@redhat.com, Igor Druzhinin This should help to avoid problems with accessing the device after migration/resume without PV drivers. Older systems will acquire the new record when migrated which should not change their state for worse. Signed-off-by: Igor Druzhinin --- hw/i386/xen/xen_pvdevice.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/hw/i386/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c index c093b34..ef22a03 100644 --- a/hw/i386/xen/xen_pvdevice.c +++ b/hw/i386/xen/xen_pvdevice.c @@ -71,6 +71,16 @@ static const MemoryRegionOps xen_pv_mmio_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; +static const VMStateDescription vmstate_xen_pvdevice = { + .name = "xen-pvdevice", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_PCI_DEVICE(parent_obj, XenPVDevice), + VMSTATE_END_OF_LIST() + } +}; + static void xen_pv_realize(PCIDevice *pci_dev, Error **errp) { XenPVDevice *d = XEN_PV_DEVICE(pci_dev); @@ -120,6 +130,7 @@ static void xen_pv_class_init(ObjectClass *klass, void *data) k->class_id = PCI_CLASS_SYSTEM_OTHER; dc->desc = "Xen PV Device"; dc->props = xen_pv_props; + dc->vmsd = &vmstate_xen_pvdevice; } static const TypeInfo xen_pv_type_info = { -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Igor Druzhinin Subject: [PATCH] xen-pvdevice: Introduce a simplistic xen-pvdevice save state Date: Thu, 8 Mar 2018 12:52:31 +0000 Message-ID: <1520513551-19851-1-git-send-email-igor.druzhinin@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1etv2K-00056w-Uf for xen-devel@lists.xenproject.org; Thu, 08 Mar 2018 12:52:44 +0000 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: qemu-devel@nongnu.org, xen-devel@lists.xenproject.org Cc: Igor Druzhinin , sstabellini@kernel.org, mst@redhat.com, paul.durrant@citrix.com, anthony.perard@citrix.com, pbonzini@redhat.com List-Id: xen-devel@lists.xenproject.org VGhpcyBzaG91bGQgaGVscCB0byBhdm9pZCBwcm9ibGVtcyB3aXRoIGFjY2Vzc2luZyB0aGUgZGV2 aWNlIGFmdGVyCm1pZ3JhdGlvbi9yZXN1bWUgd2l0aG91dCBQViBkcml2ZXJzLiBPbGRlciBzeXN0 ZW1zIHdpbGwgYWNxdWlyZQp0aGUgbmV3IHJlY29yZCB3aGVuIG1pZ3JhdGVkIHdoaWNoIHNob3Vs ZCBub3QgY2hhbmdlIHRoZWlyIHN0YXRlIGZvcgp3b3JzZS4KClNpZ25lZC1vZmYtYnk6IElnb3Ig RHJ1emhpbmluIDxpZ29yLmRydXpoaW5pbkBjaXRyaXguY29tPgotLS0KIGh3L2kzODYveGVuL3hl bl9wdmRldmljZS5jIHwgMTEgKysrKysrKysrKysKIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRp b25zKCspCgpkaWZmIC0tZ2l0IGEvaHcvaTM4Ni94ZW4veGVuX3B2ZGV2aWNlLmMgYi9ody9pMzg2 L3hlbi94ZW5fcHZkZXZpY2UuYwppbmRleCBjMDkzYjM0Li5lZjIyYTAzIDEwMDY0NAotLS0gYS9o dy9pMzg2L3hlbi94ZW5fcHZkZXZpY2UuYworKysgYi9ody9pMzg2L3hlbi94ZW5fcHZkZXZpY2Uu YwpAQCAtNzEsNiArNzEsMTYgQEAgc3RhdGljIGNvbnN0IE1lbW9yeVJlZ2lvbk9wcyB4ZW5fcHZf bW1pb19vcHMgPSB7CiAgICAgLmVuZGlhbm5lc3MgPSBERVZJQ0VfTElUVExFX0VORElBTiwKIH07 CiAKK3N0YXRpYyBjb25zdCBWTVN0YXRlRGVzY3JpcHRpb24gdm1zdGF0ZV94ZW5fcHZkZXZpY2Ug PSB7CisgICAgLm5hbWUgPSAieGVuLXB2ZGV2aWNlIiwKKyAgICAudmVyc2lvbl9pZCA9IDEsCisg ICAgLm1pbmltdW1fdmVyc2lvbl9pZCA9IDEsCisgICAgLmZpZWxkcyA9IChWTVN0YXRlRmllbGRb XSkgeworICAgICAgICBWTVNUQVRFX1BDSV9ERVZJQ0UocGFyZW50X29iaiwgWGVuUFZEZXZpY2Up LAorICAgICAgICBWTVNUQVRFX0VORF9PRl9MSVNUKCkKKyAgICB9Cit9OworCiBzdGF0aWMgdm9p ZCB4ZW5fcHZfcmVhbGl6ZShQQ0lEZXZpY2UgKnBjaV9kZXYsIEVycm9yICoqZXJycCkKIHsKICAg ICBYZW5QVkRldmljZSAqZCA9IFhFTl9QVl9ERVZJQ0UocGNpX2Rldik7CkBAIC0xMjAsNiArMTMw LDcgQEAgc3RhdGljIHZvaWQgeGVuX3B2X2NsYXNzX2luaXQoT2JqZWN0Q2xhc3MgKmtsYXNzLCB2 b2lkICpkYXRhKQogICAgIGstPmNsYXNzX2lkID0gUENJX0NMQVNTX1NZU1RFTV9PVEhFUjsKICAg ICBkYy0+ZGVzYyA9ICJYZW4gUFYgRGV2aWNlIjsKICAgICBkYy0+cHJvcHMgPSB4ZW5fcHZfcHJv cHM7CisgICAgZGMtPnZtc2QgPSAmdm1zdGF0ZV94ZW5fcHZkZXZpY2U7CiB9CiAKIHN0YXRpYyBj b25zdCBUeXBlSW5mbyB4ZW5fcHZfdHlwZV9pbmZvID0gewotLSAKMi43LjQKCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBs aXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2pl Y3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs