Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes mostly vhost-vdpa: guest announce feature emulation when using shadow virtqueue support for configure interrupt startup speed ups an acpi change to only generate cluster node in PPTT when specified for arm misc fixes, cleanups Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Sun 08 Jan 2023 08:01:39 GMT # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (50 commits) vhost-scsi: fix memleak of vsc->inflight acpi: cpuhp: fix guest-visible maximum access size to the legacy reg block tests: acpi: aarch64: Add *.topology tables tests: acpi: aarch64: Add topology test for aarch64 tests: acpi: Add and whitelist *.topology blobs tests: virt: Update expected ACPI tables for virt test hw/acpi/aml-build: Only generate cluster node in PPTT when specified tests: virt: Allow changes to PPTT test table virtio-pci: fix proxy->vector_irqfd leak in virtio_pci_set_guest_notifiers vdpa: commit all host notifier MRs in a single MR transaction vhost: configure all host notifiers in a single MR transaction vhost: simplify vhost_dev_enable_notifiers vdpa: harden the error path if get_iova_range failed vdpa-dev: get iova range explicitly docs/devel: Rules on #include in headers include: Include headers where needed include/hw/virtio: Break inclusion loop include/hw/cxl: Break inclusion loop cxl_pci.h and cxl_cdat_h include/hw/pci: Include hw/pci/pci.h where needed include/hw/pci: Split pci_device.h off pci.h ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
author: Peter Maydell <peter.maydell@linaro.org> 2023-01-09 10:07:11 +0000
committer: Peter Maydell <peter.maydell@linaro.org> 2023-01-09 10:07:12 +0000
commit: d6271b657286de80260413684a1f2a63f44ea17b (patch)
tree: 0e604002563e1e75a3b114ccb7dbdf30c1690df6 /hw
parent: 3d83b78285d6e96636130f7d449fd02e2d4deee0 (diff)
parent: aba0d042b1c1be38818cec16af3f34e9e9e2aed2 (diff)
download: focaccia-qemu-d6271b657286de80260413684a1f2a63f44ea17b.tar.gz
focaccia-qemu-d6271b657286de80260413684a1f2a63f44ea17b.zip
106 files changed, 869 insertions, 401 deletions
diff --git a/hw/acpi/Kconfig b/hw/acpi/Kconfig
index 3703aca212..1f7803fdab 100644
--- a/hw/acpi/Kconfig
+++ b/hw/acpi/Kconfig
@@ -9,13 +9,14 @@ config ACPI_X86
     select ACPI_CPU_HOTPLUG
     select ACPI_MEMORY_HOTPLUG
     select ACPI_HMAT
-    select ACPI_PIIX4
     select ACPI_PCIHP
     select ACPI_ERST
 
-config ACPI_X86_ICH
+config ACPI_ICH9
     bool
+    select ACPI_SMBUS
     select ACPI_X86
+    select APM
 
 config ACPI_CPU_HOTPLUG
     bool
@@ -30,7 +31,9 @@ config ACPI_NVDIMM
 
 config ACPI_PIIX4
     bool
-    depends on ACPI
+    select ACPI
+    select ACPI_SMBUS
+    select APM
 
 config ACPI_PCIHP
     bool
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 42feb4d4d7..ea331a20d1 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -2030,7 +2030,7 @@ void build_pptt(GArray *table_data, BIOSLinker *linker, MachineState *ms,
                 0, socket_id, NULL, 0);
         }
 
-        if (mc->smp_props.clusters_supported) {
+        if (mc->smp_props.clusters_supported && mc->smp_props.has_clusters) {
             if (cpus->cpus[n].props.cluster_id != cluster_id) {
                 assert(cpus->cpus[n].props.cluster_id > cluster_id);
                 cluster_id = cpus->cpus[n].props.cluster_id;
diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c
index 53654f8638..ff14c3f410 100644
--- a/hw/acpi/cpu_hotplug.c
+++ b/hw/acpi/cpu_hotplug.c
@@ -52,6 +52,9 @@ static const MemoryRegionOps AcpiCpuHotplug_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 1,
+        .max_access_size = 4,
+    },
+    .impl = {
         .max_access_size = 1,
     },
 };
diff --git a/hw/acpi/erst.c b/hw/acpi/erst.c
index aefcc03ad6..35007d8017 100644
--- a/hw/acpi/erst.c
+++ b/hw/acpi/erst.c
@@ -14,7 +14,7 @@
 #include "hw/qdev-core.h"
 #include "exec/memory.h"
 #include "qom/object.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "qom/object_interfaces.h"
 #include "qemu/error-report.h"
 #include "migration/vmstate.h"
diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build
index 2ed29ae94c..30054a8cdc 100644
--- a/hw/acpi/meson.build
+++ b/hw/acpi/meson.build
@@ -22,7 +22,7 @@ acpi_ss.add(when: 'CONFIG_ACPI_PIIX4', if_true: files('piix4.c'))
 acpi_ss.add(when: 'CONFIG_ACPI_PCIHP', if_true: files('pcihp.c'))
 acpi_ss.add(when: 'CONFIG_ACPI_PCIHP', if_false: files('acpi-pci-hotplug-stub.c'))
 acpi_ss.add(when: 'CONFIG_ACPI_VIOT', if_true: files('viot.c'))
-acpi_ss.add(when: 'CONFIG_ACPI_X86_ICH', if_true: files('ich9.c', 'ich9_tco.c'))
+acpi_ss.add(when: 'CONFIG_ACPI_ICH9', if_true: files('ich9.c', 'ich9_tco.c'))
 acpi_ss.add(when: 'CONFIG_ACPI_ERST', if_true: files('erst.c'))
 acpi_ss.add(when: 'CONFIG_IPMI', if_true: files('ipmi.c'), if_false: files('ipmi-stub.c'))
 acpi_ss.add(when: 'CONFIG_PC', if_false: files('acpi-x86-stub.c'))
diff --git a/hw/alpha/alpha_sys.h b/hw/alpha/alpha_sys.h
index 2263e821da..a303c58438 100644
--- a/hw/alpha/alpha_sys.h
+++ b/hw/alpha/alpha_sys.h
@@ -5,7 +5,6 @@
 
 #include "target/alpha/cpu-qom.h"
 #include "hw/pci/pci.h"
-#include "hw/pci/pci_host.h"
 #include "hw/boards.h"
 #include "hw/intc/i8259.h"
 
diff --git a/hw/alpha/pci.c b/hw/alpha/pci.c
index 72251fcdf0..7c18297177 100644
--- a/hw/alpha/pci.c
+++ b/hw/alpha/pci.c
@@ -7,6 +7,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "hw/pci/pci_host.h"
 #include "alpha_sys.h"
 #include "qemu/log.h"
 #include "trace.h"
diff --git a/hw/alpha/typhoon.c b/hw/alpha/typhoon.c
index bd39c8ca86..49a80550c5 100644
--- a/hw/alpha/typhoon.c
+++ b/hw/alpha/typhoon.c
@@ -10,10 +10,10 @@
 #include "qemu/module.h"
 #include "qemu/units.h"
 #include "qapi/error.h"
+#include "hw/pci/pci_host.h"
 #include "cpu.h"
 #include "hw/irq.h"
 #include "alpha_sys.h"
-#include "qom/object.h"
 
 
 #define TYPE_TYPHOON_PCI_HOST_BRIDGE "typhoon-pcihost"
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index be2dd701a4..364cdfa733 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -20,7 +20,7 @@
 #include "qemu/osdep.h"
 #include "hw/audio/soundhw.h"
 #include "audio/audio.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "qemu/module.h"
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
index 6904589814..54cc19a637 100644
--- a/hw/audio/es1370.c
+++ b/hw/audio/es1370.c
@@ -29,7 +29,7 @@
 #include "qemu/osdep.h"
 #include "hw/audio/soundhw.h"
 #include "audio/audio.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "migration/vmstate.h"
 #include "qemu/module.h"
 #include "sysemu/dma.h"
diff --git a/hw/audio/via-ac97.c b/hw/audio/via-ac97.c
index 6d556f74fc..d1a856f63d 100644
--- a/hw/audio/via-ac97.c
+++ b/hw/audio/via-ac97.c
@@ -11,7 +11,7 @@
 
 #include "qemu/osdep.h"
 #include "hw/isa/vt82c686.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 
 static void via_ac97_realize(PCIDevice *pci_dev, Error **errp)
 {
diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c
index 3a9f96c2d1..f18b8dcce5 100644
--- a/hw/char/serial-pci-multi.c
+++ b/hw/char/serial-pci-multi.c
@@ -31,7 +31,7 @@
 #include "qapi/error.h"
 #include "hw/char/serial.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "hw/qdev-properties-system.h"
 #include "migration/vmstate.h"
diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
index 93d6f99244..801b769aba 100644
--- a/hw/char/serial-pci.c
+++ b/hw/char/serial-pci.c
@@ -30,7 +30,7 @@
 #include "qemu/module.h"
 #include "hw/char/serial.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "qom/object.h"
diff --git a/hw/core/machine-smp.c b/hw/core/machine-smp.c
index b39ed21e65..c3dab007da 100644
--- a/hw/core/machine-smp.c
+++ b/hw/core/machine-smp.c
@@ -158,6 +158,8 @@ void machine_parse_smp_config(MachineState *ms,
     ms->smp.threads = threads;
     ms->smp.max_cpus = maxcpus;
 
+    mc->smp_props.has_clusters = config->has_clusters;
+
     /* sanity-check of the computed topology */
     if (sockets * dies * clusters * cores * threads != maxcpus) {
         g_autofree char *topo_msg = cpu_hierarchy_to_string(ms);
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 97a968f477..54a09fa9ac 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -32,6 +32,7 @@
 #include "sysemu/blockdev.h"
 #include "net/net.h"
 #include "hw/pci/pci.h"
+#include "hw/pci/pcie.h"
 #include "util/block-helpers.h"
 
 static bool check_prop_still_unset(Object *obj, const char *name,
diff --git a/hw/display/ati_int.h b/hw/display/ati_int.h
index 8acb9c7466..e8d3c7af75 100644
--- a/hw/display/ati_int.h
+++ b/hw/display/ati_int.h
@@ -10,7 +10,7 @@
 #define ATI_INT_H
 
 #include "qemu/timer.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/i2c/bitbang_i2c.h"
 #include "vga_int.h"
 #include "qom/object.h"
diff --git a/hw/display/bochs-display.c b/hw/display/bochs-display.c
index 8ed734b195..e7ec268184 100644
--- a/hw/display/bochs-display.c
+++ b/hw/display/bochs-display.c
@@ -8,7 +8,7 @@
 #include "qemu/osdep.h"
 #include "qemu/module.h"
 #include "qemu/units.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "hw/display/bochs-vbe.h"
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index 6e8c747c46..55c32e3e40 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -39,7 +39,7 @@
 #include "sysemu/reset.h"
 #include "qapi/error.h"
 #include "trace.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "ui/pixel_ops.h"
diff --git a/hw/display/qxl.h b/hw/display/qxl.h
index 7894bd5134..cd82c7a6fe 100644
--- a/hw/display/qxl.h
+++ b/hw/display/qxl.h
@@ -1,8 +1,7 @@
 #ifndef HW_QXL_H
 #define HW_QXL_H
 
-
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "vga_int.h"
 #include "qemu/thread.h"
 
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 663c37e7f2..52e42585af 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -32,7 +32,7 @@
 #include "ui/console.h"
 #include "hw/sysbus.h"
 #include "migration/vmstate.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "hw/i2c/i2c.h"
 #include "hw/display/i2c-ddc.h"
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index df23dbf3a0..b351b8f299 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -25,7 +25,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "vga_int.h"
diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c
index 19c0e20103..4380a5e672 100644
--- a/hw/display/vhost-user-gpu.c
+++ b/hw/display/vhost-user-gpu.c
@@ -486,6 +486,15 @@ vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx)
 {
     VhostUserGPU *g = VHOST_USER_GPU(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return false;
+    }
     return vhost_virtqueue_pending(&g->vhost->dev, idx);
 }
 
@@ -494,6 +503,15 @@ vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask)
 {
     VhostUserGPU *g = VHOST_USER_GPU(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return;
+    }
     vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask);
 }
 
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
index 53949d2539..59ae7f74b8 100644
--- a/hw/display/vmware_vga.c
+++ b/hw/display/vmware_vga.c
@@ -29,7 +29,7 @@
 #include "qemu/log.h"
 #include "hw/loader.h"
 #include "trace.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "qom/object.h"
diff --git a/hw/i2c/meson.build b/hw/i2c/meson.build
index d3df273251..6e7340aaac 100644
--- a/hw/i2c/meson.build
+++ b/hw/i2c/meson.build
@@ -2,7 +2,7 @@ i2c_ss = ss.source_set()
 i2c_ss.add(when: 'CONFIG_I2C', if_true: files('core.c'))
 i2c_ss.add(when: 'CONFIG_SMBUS', if_true: files('smbus_slave.c', 'smbus_master.c'))
 i2c_ss.add(when: 'CONFIG_ACPI_SMBUS', if_true: files('pm_smbus.c'))
-i2c_ss.add(when: 'CONFIG_ACPI_X86_ICH', if_true: files('smbus_ich9.c'))
+i2c_ss.add(when: 'CONFIG_ACPI_ICH9', if_true: files('smbus_ich9.c'))
 i2c_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_i2c.c'))
 i2c_ss.add(when: 'CONFIG_BITBANG_I2C', if_true: files('bitbang_i2c.c'))
 i2c_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_i2c.c'))
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index d22ac4a4b9..c4fb5b49bd 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -51,7 +51,6 @@ config PC_PCI
     bool
     select APIC
     select IOAPIC
-    select APM
     select PC
 
 config PC_ACPI
@@ -69,9 +68,9 @@ config I440FX
     imply E1000_PCI
     imply VMPORT
     imply VMMOUSE
+    select ACPI_PIIX4
     select PC_PCI
     select PC_ACPI
-    select ACPI_SMBUS
     select PCI_I440FX
     select PIIX3
     select IDE_PIIX
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index aa15b11cde..127c4e2d50 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -27,7 +27,7 @@
 #include "acpi-common.h"
 #include "qemu/bitmap.h"
 #include "qemu/error-report.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_bridge.h"
 #include "hw/cxl/cxl.h"
 #include "hw/core/cpu.h"
 #include "target/i386/cpu.h"
diff --git a/hw/i386/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c
index 1ea95fa601..e62e06622b 100644
--- a/hw/i386/xen/xen_pvdevice.c
+++ b/hw/i386/xen/xen_pvdevice.c
@@ -32,7 +32,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "qemu/module.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "trace.h"
diff --git a/hw/ide/ahci_internal.h b/hw/ide/ahci_internal.h
index 109de9e2d1..303fcd7235 100644
--- a/hw/ide/ahci_internal.h
+++ b/hw/ide/ahci_internal.h
@@ -26,7 +26,7 @@
 
 #include "hw/ide/ahci.h"
 #include "hw/ide/internal.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 
 #define AHCI_MEM_BAR_SIZE         0x1000
 #define AHCI_MAX_PORTS            32
diff --git a/hw/ipack/tpci200.c b/hw/ipack/tpci200.c
index 1f764fc85b..6b3edbf017 100644
--- a/hw/ipack/tpci200.c
+++ b/hw/ipack/tpci200.c
@@ -12,7 +12,7 @@
 #include "qemu/units.h"
 #include "hw/ipack/ipack.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "migration/vmstate.h"
 #include "qemu/bitops.h"
 #include "qemu/module.h"
diff --git a/hw/ipmi/pci_ipmi_bt.c b/hw/ipmi/pci_ipmi_bt.c
index b6e52730d3..633931b825 100644
--- a/hw/ipmi/pci_ipmi_bt.c
+++ b/hw/ipmi/pci_ipmi_bt.c
@@ -25,7 +25,7 @@
 #include "migration/vmstate.h"
 #include "qapi/error.h"
 #include "hw/ipmi/ipmi_bt.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "qom/object.h"
 
 #define TYPE_PCI_IPMI_BT "pci-ipmi-bt"
diff --git a/hw/ipmi/pci_ipmi_kcs.c b/hw/ipmi/pci_ipmi_kcs.c
index de13418862..1a581413c2 100644
--- a/hw/ipmi/pci_ipmi_kcs.c
+++ b/hw/ipmi/pci_ipmi_kcs.c
@@ -25,7 +25,7 @@
 #include "migration/vmstate.h"
 #include "qapi/error.h"
 #include "hw/ipmi/ipmi_kcs.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "qom/object.h"
 
 #define TYPE_PCI_IPMI_KCS "pci-ipmi-kcs"
diff --git a/hw/isa/Kconfig b/hw/isa/Kconfig
index 18b5c6bf3f..0156a66889 100644
--- a/hw/isa/Kconfig
+++ b/hw/isa/Kconfig
@@ -52,6 +52,7 @@ config PIIX4
 config VT82C686
     bool
     select ISA_SUPERIO
+    select ACPI
     select ACPI_SMBUS
     select SERIAL_ISA
     select FDC_ISA
@@ -77,5 +78,4 @@ config LPC_ICH9
     # for ICH9.
     select I8257
     select ISA_BUS
-    select ACPI_SMBUS
-    select ACPI_X86_ICH
+    select ACPI_ICH9
diff --git a/hw/isa/i82378.c b/hw/isa/i82378.c
index 2a2ff05b93..e3322e03bf 100644
--- a/hw/isa/i82378.c
+++ b/hw/isa/i82378.c
@@ -18,7 +18,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/irq.h"
 #include "hw/intc/i8259.h"
 #include "hw/timer/i8254.h"
diff --git a/hw/mips/gt64xxx_pci.c b/hw/mips/gt64xxx_pci.c
index 19d0d9889f..164866cf3e 100644
--- a/hw/mips/gt64xxx_pci.c
+++ b/hw/mips/gt64xxx_pci.c
@@ -26,7 +26,7 @@
 #include "qapi/error.h"
 #include "qemu/units.h"
 #include "qemu/log.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "migration/vmstate.h"
 #include "hw/intc/i8259.h"
diff --git a/hw/misc/pci-testdev.c b/hw/misc/pci-testdev.c
index 03845c8de3..49303134e4 100644
--- a/hw/misc/pci-testdev.c
+++ b/hw/misc/pci-testdev.c
@@ -19,7 +19,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "qemu/event_notifier.h"
 #include "qemu/module.h"
diff --git a/hw/misc/pvpanic-pci.c b/hw/misc/pvpanic-pci.c
index 99cf7e2041..fbcaa50731 100644
--- a/hw/misc/pvpanic-pci.c
+++ b/hw/misc/pvpanic-pci.c
@@ -20,7 +20,7 @@
 #include "migration/vmstate.h"
 #include "hw/misc/pvpanic.h"
 #include "qom/object.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "standard-headers/linux/pvpanic.h"
 
 OBJECT_DECLARE_SIMPLE_TYPE(PVPanicPCIState, PVPANIC_PCI_DEVICE)
diff --git a/hw/net/can/can_kvaser_pci.c b/hw/net/can/can_kvaser_pci.c
index 94b3a534f8..2cd90cef1e 100644
--- a/hw/net/can/can_kvaser_pci.c
+++ b/hw/net/can/can_kvaser_pci.c
@@ -37,7 +37,7 @@
 #include "qapi/error.h"
 #include "chardev/char.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/can_emu.h"
diff --git a/hw/net/can/can_mioe3680_pci.c b/hw/net/can/can_mioe3680_pci.c
index 29dc696f7c..b9918773b3 100644
--- a/hw/net/can/can_mioe3680_pci.c
+++ b/hw/net/can/can_mioe3680_pci.c
@@ -33,7 +33,7 @@
 #include "qapi/error.h"
 #include "chardev/char.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/can_emu.h"
diff --git a/hw/net/can/can_pcm3680_pci.c b/hw/net/can/can_pcm3680_pci.c
index e8e57f4f33..8ef3e4659c 100644
--- a/hw/net/can/can_pcm3680_pci.c
+++ b/hw/net/can/can_pcm3680_pci.c
@@ -33,7 +33,7 @@
 #include "qapi/error.h"
 #include "chardev/char.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/can_emu.h"
diff --git a/hw/net/can/ctucan_pci.c b/hw/net/can/ctucan_pci.c
index 50f4ea6cd6..ea079e2af5 100644
--- a/hw/net/can/ctucan_pci.c
+++ b/hw/net/can/ctucan_pci.c
@@ -34,7 +34,7 @@
 #include "qapi/error.h"
 #include "chardev/char.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/can_emu.h"
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index e26e0a64c1..7efb8a4c52 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -26,7 +26,7 @@
 
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/eth.h"
diff --git a/hw/net/e1000x_common.c b/hw/net/e1000x_common.c
index a8d93870b5..2f43e8cd13 100644
--- a/hw/net/e1000x_common.c
+++ b/hw/net/e1000x_common.c
@@ -24,7 +24,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu/units.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "net/net.h"
 
 #include "e1000x_common.h"
diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index 679f52f80f..dc07984ae9 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -42,7 +42,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu/units.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/net.h"
diff --git a/hw/net/ne2000-pci.c b/hw/net/ne2000-pci.c
index 9e5d10859a..edc6689d33 100644
--- a/hw/net/ne2000-pci.c
+++ b/hw/net/ne2000-pci.c
@@ -24,7 +24,7 @@
 
 #include "qemu/osdep.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "ne2000.h"
diff --git a/hw/net/net_tx_pkt.c b/hw/net/net_tx_pkt.c
index 1cb1125d9f..2533ea2700 100644
--- a/hw/net/net_tx_pkt.c
+++ b/hw/net/net_tx_pkt.c
@@ -21,7 +21,7 @@
 #include "net/checksum.h"
 #include "net/tap.h"
 #include "net/net.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 
 enum {
     NET_TX_PKT_VHDR_FRAG = 0,
diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
index 95d27102aa..96a302c141 100644
--- a/hw/net/pcnet-pci.c
+++ b/hw/net/pcnet-pci.c
@@ -29,7 +29,7 @@
 
 #include "qemu/osdep.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "net/net.h"
diff --git a/hw/net/rocker/rocker.c b/hw/net/rocker/rocker.c
index 281d43e6cf..cf54ddf49d 100644
--- a/hw/net/rocker/rocker.c
+++ b/hw/net/rocker/rocker.c
@@ -16,7 +16,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "hw/qdev-properties-system.h"
 #include "migration/vmstate.h"
diff --git a/hw/net/rocker/rocker_desc.c b/hw/net/rocker/rocker_desc.c
index 01845f1157..f3068c9250 100644
--- a/hw/net/rocker/rocker_desc.c
+++ b/hw/net/rocker/rocker_desc.c
@@ -16,7 +16,7 @@
 
 #include "qemu/osdep.h"
 #include "net/net.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 
 #include "rocker.h"
 #include "rocker_hw.h"
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 700b1b66b6..5a5aaf868d 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -53,7 +53,7 @@
 #include "qemu/osdep.h"
 #include <zlib.h>
 
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "sysemu/dma.h"
diff --git a/hw/net/sungem.c b/hw/net/sungem.c
index 3684a4d733..eb01520790 100644
--- a/hw/net/sungem.c
+++ b/hw/net/sungem.c
@@ -8,7 +8,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "qemu/log.h"
diff --git a/hw/net/sunhme.c b/hw/net/sunhme.c
index fc34905f87..1f3d8011ae 100644
--- a/hw/net/sunhme.c
+++ b/hw/net/sunhme.c
@@ -23,7 +23,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 #include "hw/net/mii.h"
diff --git a/hw/net/tulip.c b/hw/net/tulip.c
index c2b3b1bdfa..915e5fb595 100644
--- a/hw/net/tulip.c
+++ b/hw/net/tulip.c
@@ -9,7 +9,7 @@
 #include "qemu/osdep.h"
 #include "qemu/log.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
 #include "hw/nvram/eeprom93xx.h"
 #include "migration/vmstate.h"
diff --git a/hw/net/vhost_net-stub.c b/hw/net/vhost_net-stub.c
index 9f7daae99c..72df6d757e 100644
--- a/hw/net/vhost_net-stub.c
+++ b/hw/net/vhost_net-stub.c
@@ -82,6 +82,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
 {
 }
 
+bool vhost_net_config_pending(VHostNetState *net)
+{
+    return false;
+}
+
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
+{
+}
+
 int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
 {
     return -1;
@@ -113,3 +122,8 @@ int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc,
 {
     return 0;
 }
+
+void vhost_net_save_acked_features(NetClientState *nc)
+{
+
+}
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 043058ff43..c4eecc6f36 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -144,6 +144,15 @@ uint64_t vhost_net_get_acked_features(VHostNetState *net)
     return net->dev.acked_features;
 }
 
+void vhost_net_save_acked_features(NetClientState *nc)
+{
+#ifdef CONFIG_VHOST_NET_USER
+    if (nc->info->type == NET_CLIENT_DRIVER_VHOST_USER) {
+        vhost_user_save_acked_features(nc);
+    }
+#endif
+}
+
 static int vhost_net_get_fd(NetClientState *backend)
 {
     switch (backend->info->type) {
@@ -478,6 +487,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
     vhost_virtqueue_mask(&net->dev, dev, idx, mask);
 }
 
+bool vhost_net_config_pending(VHostNetState *net)
+{
+    return vhost_config_pending(&net->dev);
+}
+
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
+{
+    vhost_config_mask(&net->dev, dev, mask);
+}
 VHostNetState *get_vhost_net(NetClientState *nc)
 {
     VHostNetState *vhost_net = 0;
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 9cbdfa5547..3ae909041a 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -42,7 +42,7 @@
 #include "sysemu/sysemu.h"
 #include "trace.h"
 #include "monitor/qdev.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "net_rx_pkt.h"
 #include "hw/virtio/vhost.h"
 #include "sysemu/qtest.h"
@@ -168,20 +168,24 @@ static void virtio_net_get_config(VirtIODevice *vdev, uint8_t *config)
     if (nc->peer && nc->peer->info->type == NET_CLIENT_DRIVER_VHOST_VDPA) {
         ret = vhost_net_get_config(get_vhost_net(nc->peer), (uint8_t *)&netcfg,
                                    n->config_size);
-        if (ret != -1) {
-            /*
-             * Some NIC/kernel combinations present 0 as the mac address.  As
-             * that is not a legal address, try to proceed with the
-             * address from the QEMU command line in the hope that the
-             * address has been configured correctly elsewhere - just not
-             * reported by the device.
-             */
-            if (memcmp(&netcfg.mac, &zero, sizeof(zero)) == 0) {
-                info_report("Zero hardware mac address detected. Ignoring.");
-                memcpy(netcfg.mac, n->mac, ETH_ALEN);
-            }
-            memcpy(config, &netcfg, n->config_size);
+        if (ret == -1) {
+            return;
+        }
+
+        /*
+         * Some NIC/kernel combinations present 0 as the mac address.  As that
+         * is not a legal address, try to proceed with the address from the
+         * QEMU command line in the hope that the address has been configured
+         * correctly elsewhere - just not reported by the device.
+         */
+        if (memcmp(&netcfg.mac, &zero, sizeof(zero)) == 0) {
+            info_report("Zero hardware mac address detected. Ignoring.");
+            memcpy(netcfg.mac, n->mac, ETH_ALEN);
         }
+
+        netcfg.status |= virtio_tswap16(vdev,
+                                        n->status & VIRTIO_NET_S_ANNOUNCE);
+        memcpy(config, &netcfg, n->config_size);
     }
 }
 
@@ -980,6 +984,12 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
             continue;
         }
         vhost_net_ack_features(get_vhost_net(nc->peer), features);
+
+        /*
+         * keep acked_features in NetVhostUserState up-to-date so it
+         * can't miss any features configured by guest virtio driver.
+         */
+        vhost_net_save_acked_features(nc->peer);
     }
 
     if (virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN)) {
@@ -3315,6 +3325,15 @@ static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx)
     } else {
         nc = qemu_get_subqueue(n->nic, vq2q(idx));
     }
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return false
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return vhost_net_config_pending(get_vhost_net(nc->peer));
+    }
     return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx);
 }
 
@@ -3338,8 +3357,17 @@ static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx,
     } else {
         nc = qemu_get_subqueue(n->nic, vq2q(idx));
     }
-    vhost_net_virtqueue_mask(get_vhost_net(nc->peer),
-                             vdev, idx, mask);
+    /*
+     *Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        vhost_net_config_mask(get_vhost_net(nc->peer), vdev, mask);
+        return;
+    }
+    vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask);
 }
 
 static void virtio_net_set_config_size(VirtIONet *n, uint64_t host_features)
diff --git a/hw/net/vmxnet3_defs.h b/hw/net/vmxnet3_defs.h
index 71440509ca..64034af6d5 100644
--- a/hw/net/vmxnet3_defs.h
+++ b/hw/net/vmxnet3_defs.h
@@ -19,7 +19,7 @@
 
 #include "net/net.h"
 #include "hw/net/vmxnet3.h"
-#include "qom/object.h"
+#include "hw/pci/pci_device.h"
 
 #define TYPE_VMXNET3 "vmxnet3"
 typedef struct VMXNET3State VMXNET3State;
diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h
index 7adf042ec3..16da27a69b 100644
--- a/hw/nvme/nvme.h
+++ b/hw/nvme/nvme.h
@@ -19,7 +19,7 @@
 #define HW_NVME_NVME_H
 
 #include "qemu/uuid.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/block/block.h"
 
 #include "block/nvme.h"
diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c
index d9f224818b..f3b4a14611 100644
--- a/hw/pci-bridge/i82801b11.c
+++ b/hw/pci-bridge/i82801b11.c
@@ -42,7 +42,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_bridge.h"
 #include "migration/vmstate.h"
 #include "qemu/module.h"
 #include "hw/i386/ich9.h"
diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
index c9e817aa58..870d9bab11 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -50,7 +50,6 @@ struct PXBBus {
 };
 
 #define TYPE_PXB_DEVICE "pxb"
-typedef struct PXBDev PXBDev;
 DECLARE_INSTANCE_CHECKER(PXBDev, PXB_DEV,
                          TYPE_PXB_DEVICE)
 
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index a57e81e3a9..f04f3ad668 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -42,7 +42,7 @@
 #include "qemu/units.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/irq.h"
 #include "hw/mips/mips.h"
 #include "hw/pci/pci_host.h"
diff --git a/hw/pci-host/dino.c b/hw/pci-host/dino.c
index f257c24e64..e8eaebca54 100644
--- a/hw/pci-host/dino.c
+++ b/hw/pci-host/dino.c
@@ -15,7 +15,7 @@
 #include "qemu/units.h"
 #include "qapi/error.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_bus.h"
 #include "hw/qdev-properties.h"
 #include "hw/pci-host/dino.h"
diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c
index 95945ac0f4..8cf318cb80 100644
--- a/hw/pci-host/grackle.c
+++ b/hw/pci-host/grackle.c
@@ -25,7 +25,7 @@
 
 #include "qemu/osdep.h"
 #include "hw/qdev-properties.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/irq.h"
 #include "qapi/error.h"
 #include "qemu/module.h"
diff --git a/hw/pci-host/mv64361.c b/hw/pci-host/mv64361.c
index cc9c4d6d3b..015b92bd5f 100644
--- a/hw/pci-host/mv64361.c
+++ b/hw/pci-host/mv64361.c
@@ -13,7 +13,7 @@
 #include "qapi/error.h"
 #include "hw/hw.h"
 #include "hw/sysbus.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "hw/irq.h"
 #include "hw/intc/i8259.h"
diff --git a/hw/pci-host/ppce500.c b/hw/pci-host/ppce500.c
index 89c1b53dd7..568849e930 100644
--- a/hw/pci-host/ppce500.c
+++ b/hw/pci-host/ppce500.c
@@ -19,7 +19,7 @@
 #include "hw/ppc/e500-ccsr.h"
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "qemu/bswap.h"
 #include "qemu/module.h"
diff --git a/hw/pci-host/raven.c b/hw/pci-host/raven.c
index 7a105e4a63..2c96ddf8fe 100644
--- a/hw/pci-host/raven.c
+++ b/hw/pci-host/raven.c
@@ -28,7 +28,7 @@
 #include "qemu/units.h"
 #include "qemu/log.h"
 #include "qapi/error.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_bus.h"
 #include "hw/pci/pci_host.h"
 #include "hw/qdev-properties.h"
diff --git a/hw/pci-host/sh_pci.c b/hw/pci-host/sh_pci.c
index 719d6ca2a6..77e7bbc65f 100644
--- a/hw/pci-host/sh_pci.c
+++ b/hw/pci-host/sh_pci.c
@@ -26,7 +26,7 @@
 #include "hw/sysbus.h"
 #include "hw/sh4/sh.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "qemu/bswap.h"
 #include "qemu/module.h"
diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c
index 8396c91d59..e3abe3c0f9 100644
--- a/hw/pci-host/uninorth.c
+++ b/hw/pci-host/uninorth.c
@@ -26,7 +26,7 @@
 #include "hw/irq.h"
 #include "hw/qdev-properties.h"
 #include "qemu/module.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "hw/pci-host/uninorth.h"
 #include "trace.h"
diff --git a/hw/pci-host/versatile.c b/hw/pci-host/versatile.c
index f66384fa02..0d50ea4cc0 100644
--- a/hw/pci-host/versatile.c
+++ b/hw/pci-host/versatile.c
@@ -12,7 +12,7 @@
 #include "hw/sysbus.h"
 #include "migration/vmstate.h"
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_bus.h"
 #include "hw/pci/pci_host.h"
 #include "hw/qdev-properties.h"
diff --git a/hw/pci/pci-hmp-cmds.c b/hw/pci/pci-hmp-cmds.c
index fb7591d6ab..b09fce9377 100644
--- a/hw/pci/pci-hmp-cmds.c
+++ b/hw/pci/pci-hmp-cmds.c
@@ -15,6 +15,7 @@
 
 #include "qemu/osdep.h"
 #include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "monitor/hmp.h"
 #include "monitor/monitor.h"
 #include "pci-internal.h"
diff --git a/hw/pci/pcie_host.c b/hw/pci/pcie_host.c
index 5abbe83220..3717e1a086 100644
--- a/hw/pci/pcie_host.c
+++ b/hw/pci/pcie_host.c
@@ -20,7 +20,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pcie_host.h"
 #include "qemu/module.h"
 
diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c
index 8e3faf1f59..f0bd72e069 100644
--- a/hw/pci/pcie_sriov.c
+++ b/hw/pci/pcie_sriov.c
@@ -11,7 +11,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pcie.h"
 #include "hw/pci/pci_bus.h"
 #include "hw/qdev-properties.h"
diff --git a/hw/pci/slotid_cap.c b/hw/pci/slotid_cap.c
index 36d021b4a6..8372d05d9e 100644
--- a/hw/pci/slotid_cap.c
+++ b/hw/pci/slotid_cap.c
@@ -1,6 +1,6 @@
 #include "qemu/osdep.h"
 #include "hw/pci/slotid_cap.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "qemu/error-report.h"
 #include "qapi/error.h"
 
diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
index 72a311edcb..c898021b5f 100644
--- a/hw/ppc/Kconfig
+++ b/hw/ppc/Kconfig
@@ -76,8 +76,6 @@ config PEGASOS2
     select VT82C686
     select SMBUS_EEPROM
     select VOF
-# This should come with VT82C686
-    select ACPI_X86
 
 config PREP
     bool
diff --git a/hw/ppc/ppc440_pcix.c b/hw/ppc/ppc440_pcix.c
index 788d25514a..f10f93c533 100644
--- a/hw/ppc/ppc440_pcix.c
+++ b/hw/ppc/ppc440_pcix.c
@@ -26,7 +26,7 @@
 #include "hw/irq.h"
 #include "hw/ppc/ppc.h"
 #include "hw/ppc/ppc4xx.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "trace.h"
 #include "qom/object.h"
diff --git a/hw/ppc/ppc4xx_pci.c b/hw/ppc/ppc4xx_pci.c
index 8642b96455..1d4a50fa7c 100644
--- a/hw/ppc/ppc4xx_pci.c
+++ b/hw/ppc/ppc4xx_pci.c
@@ -29,7 +29,7 @@
 #include "migration/vmstate.h"
 #include "qemu/module.h"
 #include "sysemu/reset.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/pci/pci_host.h"
 #include "trace.h"
 #include "qom/object.h"
diff --git a/hw/ppc/spapr_pci_vfio.c b/hw/ppc/spapr_pci_vfio.c
index 2a76b4e0b5..d8aeee0b7e 100644
--- a/hw/ppc/spapr_pci_vfio.c
+++ b/hw/ppc/spapr_pci_vfio.c
@@ -22,6 +22,7 @@
 #include "hw/ppc/spapr.h"
 #include "hw/pci-host/spapr.h"
 #include "hw/pci/msix.h"
+#include "hw/pci/pci_device.h"
 #include "hw/vfio/vfio.h"
 #include "qemu/error-report.h"
 
diff --git a/hw/rdma/rdma_utils.c b/hw/rdma/rdma_utils.c
index 5a7ef63ad2..c948baf052 100644
--- a/hw/rdma/rdma_utils.c
+++ b/hw/rdma/rdma_utils.c
@@ -14,6 +14,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "hw/pci/pci_device.h"
 #include "trace.h"
 #include "rdma_utils.h"
 
diff --git a/hw/rdma/rdma_utils.h b/hw/rdma/rdma_utils.h
index 0c6414e7e0..54e4f56edd 100644
--- a/hw/rdma/rdma_utils.h
+++ b/hw/rdma/rdma_utils.h
@@ -18,7 +18,6 @@
 #define RDMA_UTILS_H
 
 #include "qemu/error-report.h"
-#include "hw/pci/pci.h"
 #include "sysemu/dma.h"
 
 #define rdma_error_report(fmt, ...) \
diff --git a/hw/rdma/vmw/pvrdma.h b/hw/rdma/vmw/pvrdma.h
index d08965d3e2..4cbc10c980 100644
--- a/hw/rdma/vmw/pvrdma.h
+++ b/hw/rdma/vmw/pvrdma.h
@@ -18,8 +18,8 @@
 
 #include "qemu/units.h"
 #include "qemu/notify.h"
-#include "hw/pci/pci.h"
 #include "hw/pci/msix.h"
+#include "hw/pci/pci_device.h"
 #include "chardev/char-fe.h"
 #include "hw/net/vmxnet3_defs.h"
 
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index 9abe95130c..69137e0757 100644
--- a/hw/s390x/s390-pci-inst.c
+++ b/hw/s390x/s390-pci-inst.c
@@ -16,6 +16,7 @@
 #include "exec/memory-internal.h"
 #include "qemu/error-report.h"
 #include "sysemu/hw_accel.h"
+#include "hw/pci/pci_device.h"
 #include "hw/s390x/s390-pci-inst.h"
 #include "hw/s390x/s390-pci-bus.h"
 #include "hw/s390x/s390-pci-kvm.h"
diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index 1792f84cea..2f7f11e70b 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -24,7 +24,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/irq.h"
 #include "hw/nvram/eeprom93xx.h"
 #include "hw/scsi/esp.h"
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index 50979640c3..af93557a9a 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -16,7 +16,7 @@
 #include "qemu/osdep.h"
 
 #include "hw/irq.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/scsi/scsi.h"
 #include "migration/vmstate.h"
 #include "sysemu/dma.h"
diff --git a/hw/scsi/mptsas.h b/hw/scsi/mptsas.h
index c046497db7..04e97ce3af 100644
--- a/hw/scsi/mptsas.h
+++ b/hw/scsi/mptsas.h
@@ -2,7 +2,7 @@
 #define MPTSAS_H
 
 #include "mpi.h"
-#include "qom/object.h"
+#include "hw/pci/pci_device.h"
 
 #define MPTSAS_NUM_PORTS 8
 #define MPTSAS_MAX_FRAMES 2048     /* Firmware limit at 65535 */
diff --git a/hw/scsi/vhost-scsi-common.c b/hw/scsi/vhost-scsi-common.c
index 18ea5dcfa1..a06f01af26 100644
--- a/hw/scsi/vhost-scsi-common.c
+++ b/hw/scsi/vhost-scsi-common.c
@@ -113,6 +113,7 @@ void vhost_scsi_common_stop(VHostSCSICommon *vsc)
 
     if (vsc->inflight) {
         vhost_dev_free_inflight(vsc->inflight);
+        g_free(vsc->inflight);
         vsc->inflight = NULL;
     }
 
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 6f6e2e32ba..2b649ca976 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -22,6 +22,7 @@
 #include "qemu/iov.h"
 #include "qemu/module.h"
 #include "sysemu/block-backend.h"
+#include "sysemu/dma.h"
 #include "hw/qdev-properties.h"
 #include "hw/scsi/scsi.h"
 #include "scsi/constants.h"
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index b4243de735..4869566cf5 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -28,6 +28,7 @@
 #include "hw/loader.h"
 #include "hw/boards.h"
 #include "hw/pci/pci_bus.h"
+#include "hw/pci/pci_device.h"
 #include "smbios_build.h"
 
 /* legacy structures and constants for <= 2.0 machines */
diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h
index a173707d9b..2cd821f49e 100644
--- a/hw/usb/hcd-ehci.h
+++ b/hw/usb/hcd-ehci.h
@@ -21,9 +21,8 @@
 #include "qemu/timer.h"
 #include "hw/usb.h"
 #include "sysemu/dma.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/sysbus.h"
-#include "qom/object.h"
 
 #ifndef EHCI_DEBUG
 #define EHCI_DEBUG   0
diff --git a/hw/usb/hcd-ohci-pci.c b/hw/usb/hcd-ohci-pci.c
index 8e1146b862..6b630d35a7 100644
--- a/hw/usb/hcd-ohci-pci.c
+++ b/hw/usb/hcd-ohci-pci.c
@@ -23,7 +23,7 @@
 #include "qemu/timer.h"
 #include "hw/usb.h"
 #include "migration/vmstate.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/sysbus.h"
 #include "hw/qdev-dma.h"
 #include "hw/qdev-properties.h"
diff --git a/hw/usb/hcd-uhci.h b/hw/usb/hcd-uhci.h
index c85ab7868e..5843af504a 100644
--- a/hw/usb/hcd-uhci.h
+++ b/hw/usb/hcd-uhci.h
@@ -30,7 +30,7 @@
 
 #include "exec/memory.h"
 #include "qemu/timer.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/usb.h"
 
 typedef struct UHCIQueue UHCIQueue;
diff --git a/hw/usb/hcd-xhci-pci.h b/hw/usb/hcd-xhci-pci.h
index c193f79443..08f70ce97c 100644
--- a/hw/usb/hcd-xhci-pci.h
+++ b/hw/usb/hcd-xhci-pci.h
@@ -24,6 +24,7 @@
 #ifndef HW_USB_HCD_XHCI_PCI_H
 #define HW_USB_HCD_XHCI_PCI_H
 
+#include "hw/pci/pci_device.h"
 #include "hw/usb.h"
 #include "hcd-xhci.h"
 
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index 7c236a52f4..177abcc8fb 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -13,7 +13,7 @@
 #define HW_VFIO_VFIO_PCI_H
 
 #include "exec/memory.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "hw/vfio/vfio-common.h"
 #include "qemu/event_notifier.h"
 #include "qemu/queue.h"
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index 96da58a41f..a87c5f39a2 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -62,6 +62,7 @@ vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRI
 vhost_vdpa_set_owner(void *dev) "dev: %p"
 vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64
 vhost_vdpa_get_iova_range(void *dev, uint64_t first, uint64_t last) "dev: %p first: 0x%"PRIx64" last: 0x%"PRIx64
+vhost_vdpa_set_config_call(void *dev, int fd)"dev: %p fd: %d"
 
 # virtio.c
 virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u"
diff --git a/hw/virtio/vdpa-dev.c b/hw/virtio/vdpa-dev.c
index db6ba61152..01b41eb0f1 100644
--- a/hw/virtio/vdpa-dev.c
+++ b/hw/virtio/vdpa-dev.c
@@ -53,6 +53,7 @@ static void vhost_vdpa_device_realize(DeviceState *dev, Error **errp)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VhostVdpaDevice *v = VHOST_VDPA_DEVICE(vdev);
+    struct vhost_vdpa_iova_range iova_range;
     uint16_t max_queue_size;
     struct vhost_virtqueue *vqs;
     int i, ret;
@@ -108,6 +109,14 @@ static void vhost_vdpa_device_realize(DeviceState *dev, Error **errp)
     v->dev.backend_features = 0;
     v->started = false;
 
+    ret = vhost_vdpa_get_iova_range(v->vhostfd, &iova_range);
+    if (ret < 0) {
+        error_setg(errp, "vhost-vdpa-device: get iova range failed: %s",
+                   strerror(-ret));
+        goto free_vqs;
+    }
+    v->vdpa.iova_range = iova_range;
+
     ret = vhost_dev_init(&v->dev, &v->vdpa, VHOST_BACKEND_TYPE_VDPA, 0, NULL);
     if (ret < 0) {
         error_setg(errp, "vhost-vdpa-device: vhost initialization failed: %s",
diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c
index d97b179e6f..f5049735ac 100644
--- a/hw/virtio/vhost-user-fs.c
+++ b/hw/virtio/vhost-user-fs.c
@@ -159,6 +159,15 @@ static void vuf_guest_notifier_mask(VirtIODevice *vdev, int idx,
 {
     VHostUserFS *fs = VHOST_USER_FS(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return;
+    }
     vhost_virtqueue_mask(&fs->vhost_dev, vdev, idx, mask);
 }
 
@@ -166,6 +175,15 @@ static bool vuf_guest_notifier_pending(VirtIODevice *vdev, int idx)
 {
     VHostUserFS *fs = VHOST_USER_FS(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return false;
+    }
     return vhost_virtqueue_pending(&fs->vhost_dev, idx);
 }
 
diff --git a/hw/virtio/vhost-user-gpio.c b/hw/virtio/vhost-user-gpio.c
index b7b82a1099..fe3da32c74 100644
--- a/hw/virtio/vhost-user-gpio.c
+++ b/hw/virtio/vhost-user-gpio.c
@@ -191,6 +191,16 @@ static void vu_gpio_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask)
 {
     VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return;
+    }
+
     vhost_virtqueue_mask(&gpio->vhost_dev, vdev, idx, mask);
 }
 
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index fd0c33b0e1..542e003101 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -378,6 +378,13 @@ static int vhost_vdpa_add_status(struct vhost_dev *dev, uint8_t status)
     return 0;
 }
 
+int vhost_vdpa_get_iova_range(int fd, struct vhost_vdpa_iova_range *iova_range)
+{
+    int ret = ioctl(fd, VHOST_VDPA_GET_IOVA_RANGE, iova_range);
+
+    return ret < 0 ? -errno : 0;
+}
+
 /*
  * The use of this function is for requests that only need to be
  * applied once. Typically such request occurs at the beginning
@@ -512,9 +519,18 @@ static void vhost_vdpa_host_notifiers_uninit(struct vhost_dev *dev, int n)
 {
     int i;
 
+    /*
+     * Pack all the changes to the memory regions in a single
+     * transaction to avoid a few updating of the address space
+     * topology.
+     */
+    memory_region_transaction_begin();
+
     for (i = dev->vq_index; i < dev->vq_index + n; i++) {
         vhost_vdpa_host_notifier_uninit(dev, i);
     }
+
+    memory_region_transaction_commit();
 }
 
 static void vhost_vdpa_host_notifiers_init(struct vhost_dev *dev)
@@ -527,17 +543,21 @@ static void vhost_vdpa_host_notifiers_init(struct vhost_dev *dev)
         return;
     }
 
+    /*
+     * Pack all the changes to the memory regions in a single
+     * transaction to avoid a few updating of the address space
+     * topology.
+     */
+    memory_region_transaction_begin();
+
     for (i = dev->vq_index; i < dev->vq_index + dev->nvqs; i++) {
         if (vhost_vdpa_host_notifier_init(dev, i)) {
-            goto err;
+            vhost_vdpa_host_notifiers_uninit(dev, i - dev->vq_index);
+            break;
         }
     }
 
-    return;
-
-err:
-    vhost_vdpa_host_notifiers_uninit(dev, i - dev->vq_index);
-    return;
+    memory_region_transaction_commit();
 }
 
 static void vhost_vdpa_svq_cleanup(struct vhost_dev *dev)
@@ -716,6 +736,13 @@ static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev)
     return 0;
 }
 
+static int vhost_vdpa_set_config_call(struct vhost_dev *dev,
+                                       int fd)
+{
+    trace_vhost_vdpa_set_config_call(dev, fd);
+    return vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG_CALL, &fd);
+}
+
 static void vhost_vdpa_dump_config(struct vhost_dev *dev, const uint8_t *config,
                                    uint32_t config_len)
 {
@@ -1298,4 +1325,5 @@ const VhostOps vdpa_ops = {
         .vhost_get_device_id = vhost_vdpa_get_device_id,
         .vhost_vq_get_addr = vhost_vdpa_vq_get_addr,
         .vhost_force_iommu = vhost_vdpa_force_iommu,
+        .vhost_set_config_call = vhost_vdpa_set_config_call,
 };
diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c
index d21c72b401..d2b5519d5a 100644
--- a/hw/virtio/vhost-vsock-common.c
+++ b/hw/virtio/vhost-vsock-common.c
@@ -127,6 +127,15 @@ static void vhost_vsock_common_guest_notifier_mask(VirtIODevice *vdev, int idx,
 {
     VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return;
+    }
     vhost_virtqueue_mask(&vvc->vhost_dev, vdev, idx, mask);
 }
 
@@ -135,6 +144,15 @@ static bool vhost_vsock_common_guest_notifier_pending(VirtIODevice *vdev,
 {
     VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return false;
+    }
     return vhost_virtqueue_pending(&vvc->vhost_dev, idx);
 }
 
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index fdcd1a8fdf..eb8c4c378c 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1551,7 +1551,7 @@ void vhost_dev_cleanup(struct vhost_dev *hdev)
 int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
 {
     BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
-    int i, r, e;
+    int i, r;
 
     /* We will pass the notifiers to the kernel, make sure that QEMU
      * doesn't interfere.
@@ -1559,32 +1559,29 @@ int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
     r = virtio_device_grab_ioeventfd(vdev);
     if (r < 0) {
         error_report("binding does not support host notifiers");
-        goto fail;
+        return r;
     }
 
+    /*
+     * Batch all the host notifiers in a single transaction to avoid
+     * quadratic time complexity in address_space_update_ioeventfds().
+     */
+    memory_region_transaction_begin();
+
     for (i = 0; i < hdev->nvqs; ++i) {
         r = virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), hdev->vq_index + i,
                                          true);
         if (r < 0) {
             error_report("vhost VQ %d notifier binding failed: %d", i, -r);
-            goto fail_vq;
+            memory_region_transaction_commit();
+            vhost_dev_disable_notifiers(hdev, vdev);
+            return r;
         }
     }
 
+    memory_region_transaction_commit();
+
     return 0;
-fail_vq:
-    while (--i >= 0) {
-        e = virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), hdev->vq_index + i,
-                                         false);
-        if (e < 0) {
-            error_report("vhost VQ %d notifier cleanup error: %d", i, -r);
-        }
-        assert (e >= 0);
-        virtio_bus_cleanup_host_notifier(VIRTIO_BUS(qbus), hdev->vq_index + i);
-    }
-    virtio_device_release_ioeventfd(vdev);
-fail:
-    return r;
 }
 
 /* Stop processing guest IO notifications in vhost.
@@ -1597,6 +1594,12 @@ void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
     BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
     int i, r;
 
+    /*
+     * Batch all the host notifiers in a single transaction to avoid
+     * quadratic time complexity in address_space_update_ioeventfds().
+     */
+    memory_region_transaction_begin();
+
     for (i = 0; i < hdev->nvqs; ++i) {
         r = virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), hdev->vq_index + i,
                                          false);
@@ -1604,6 +1607,15 @@ void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
             error_report("vhost VQ %d notifier cleanup failed: %d", i, -r);
         }
         assert (r >= 0);
+    }
+
+    /*
+     * The transaction expects the ioeventfds to be open when it
+     * commits. Do it now, before the cleanup loop.
+     */
+    memory_region_transaction_commit();
+
+    for (i = 0; i < hdev->nvqs; ++i) {
         virtio_bus_cleanup_host_notifier(VIRTIO_BUS(qbus), hdev->vq_index + i);
     }
     virtio_device_release_ioeventfd(vdev);
@@ -1640,7 +1652,68 @@ void vhost_virtqueue_mask(struct vhost_dev *hdev, VirtIODevice *vdev, int n,
     file.index = hdev->vhost_ops->vhost_get_vq_index(hdev, n);
     r = hdev->vhost_ops->vhost_set_vring_call(hdev, &file);
     if (r < 0) {
-        VHOST_OPS_DEBUG(r, "vhost_set_vring_call failed");
+        error_report("vhost_set_vring_call failed %d", -r);
+    }
+}
+
+bool vhost_config_pending(struct vhost_dev *hdev)
+{
+    assert(hdev->vhost_ops);
+    if ((hdev->started == false) ||
+        (hdev->vhost_ops->vhost_set_config_call == NULL)) {
+        return false;
+    }
+
+    EventNotifier *notifier =
+        &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier;
+    return event_notifier_test_and_clear(notifier);
+}
+
+void vhost_config_mask(struct vhost_dev *hdev, VirtIODevice *vdev, bool mask)
+{
+    int fd;
+    int r;
+    EventNotifier *notifier =
+        &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier;
+    EventNotifier *config_notifier = &vdev->config_notifier;
+    assert(hdev->vhost_ops);
+
+    if ((hdev->started == false) ||
+        (hdev->vhost_ops->vhost_set_config_call == NULL)) {
+        return;
+    }
+    if (mask) {
+        assert(vdev->use_guest_notifier_mask);
+        fd = event_notifier_get_fd(notifier);
+    } else {
+        fd = event_notifier_get_fd(config_notifier);
+    }
+    r = hdev->vhost_ops->vhost_set_config_call(hdev, fd);
+    if (r < 0) {
+        error_report("vhost_set_config_call failed %d", -r);
+    }
+}
+
+static void vhost_stop_config_intr(struct vhost_dev *dev)
+{
+    int fd = -1;
+    assert(dev->vhost_ops);
+    if (dev->vhost_ops->vhost_set_config_call) {
+        dev->vhost_ops->vhost_set_config_call(dev, fd);
+    }
+}
+
+static void vhost_start_config_intr(struct vhost_dev *dev)
+{
+    int r;
+
+    assert(dev->vhost_ops);
+    int fd = event_notifier_get_fd(&dev->vdev->config_notifier);
+    if (dev->vhost_ops->vhost_set_config_call) {
+        r = dev->vhost_ops->vhost_set_config_call(dev, fd);
+        if (!r) {
+            event_notifier_set(&dev->vdev->config_notifier);
+        }
     }
 }
 
@@ -1880,6 +1953,16 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings)
         }
     }
 
+    r = event_notifier_init(
+        &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier, 0);
+    if (r < 0) {
+        return r;
+    }
+    event_notifier_test_and_clear(
+        &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier);
+    if (!vdev->use_guest_notifier_mask) {
+        vhost_config_mask(hdev, vdev, true);
+    }
     if (hdev->log_enabled) {
         uint64_t log_base;
 
@@ -1918,6 +2001,7 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings)
             vhost_device_iotlb_miss(hdev, vq->used_phys, true);
         }
     }
+    vhost_start_config_intr(hdev);
     return 0;
 fail_start:
     if (vrings) {
@@ -1947,6 +2031,9 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings)
 
     /* should only be called after backend is connected */
     assert(hdev->vhost_ops);
+    event_notifier_test_and_clear(
+        &hdev->vqs[VHOST_QUEUE_NUM_CONFIG_INR].masked_config_notifier);
+    event_notifier_test_and_clear(&vdev->config_notifier);
 
     trace_vhost_dev_stop(hdev, vdev->name, vrings);
 
@@ -1969,6 +2056,7 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev, bool vrings)
         }
         memory_listener_unregister(&hdev->iommu_listener);
     }
+    vhost_stop_config_intr(hdev);
     vhost_log_put(hdev, true);
     hdev->started = false;
     vdev->vhost_started = false;
diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index 97da74e719..516425e26a 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -1182,6 +1182,15 @@ static void virtio_crypto_guest_notifier_mask(VirtIODevice *vdev, int idx,
 
     assert(vcrypto->vhost_started);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return;
+    }
     cryptodev_vhost_virtqueue_mask(vdev, queue, idx, mask);
 }
 
@@ -1192,6 +1201,15 @@ static bool virtio_crypto_guest_notifier_pending(VirtIODevice *vdev, int idx)
 
     assert(vcrypto->vhost_started);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return false;
+    }
     return cryptodev_vhost_virtqueue_pending(vdev, queue, idx);
 }
 
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index d240efef97..103260ec15 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -670,7 +670,30 @@ static int virtio_mmio_set_guest_notifier(DeviceState *d, int n, bool assign,
 
     return 0;
 }
+static int virtio_mmio_set_config_guest_notifier(DeviceState *d, bool assign,
+                                                 bool with_irqfd)
+{
+    VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
+    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
+    VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
+    EventNotifier *notifier = virtio_config_get_guest_notifier(vdev);
+    int r = 0;
 
+    if (assign) {
+        r = event_notifier_init(notifier, 0);
+        if (r < 0) {
+            return r;
+        }
+        virtio_config_set_guest_notifier_fd_handler(vdev, assign, with_irqfd);
+    } else {
+        virtio_config_set_guest_notifier_fd_handler(vdev, assign, with_irqfd);
+        event_notifier_cleanup(notifier);
+    }
+    if (vdc->guest_notifier_mask && vdev->use_guest_notifier_mask) {
+        vdc->guest_notifier_mask(vdev, VIRTIO_CONFIG_IRQ_IDX, !assign);
+    }
+    return r;
+}
 static int virtio_mmio_set_guest_notifiers(DeviceState *d, int nvqs,
                                            bool assign)
 {
@@ -692,6 +715,10 @@ static int virtio_mmio_set_guest_notifiers(DeviceState *d, int nvqs,
             goto assign_error;
         }
     }
+    r = virtio_mmio_set_config_guest_notifier(d, assign, with_irqfd);
+    if (r < 0) {
+        goto assign_error;
+    }
 
     return 0;
 
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 70639300aa..247325c193 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -784,7 +784,6 @@ static uint32_t virtio_read_config(PCIDevice *pci_dev,
 }
 
 static int kvm_virtio_pci_vq_vector_use(VirtIOPCIProxy *proxy,
-                                        unsigned int queue_no,
                                         unsigned int vector)
 {
     VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
@@ -813,112 +812,160 @@ static void kvm_virtio_pci_vq_vector_release(VirtIOPCIProxy *proxy,
 }
 
 static int kvm_virtio_pci_irqfd_use(VirtIOPCIProxy *proxy,
-                                 unsigned int queue_no,
+                                 EventNotifier *n,
                                  unsigned int vector)
 {
     VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
-    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
-    VirtQueue *vq = virtio_get_queue(vdev, queue_no);
-    EventNotifier *n = virtio_queue_get_guest_notifier(vq);
     return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL, irqfd->virq);
 }
 
 static void kvm_virtio_pci_irqfd_release(VirtIOPCIProxy *proxy,
-                                      unsigned int queue_no,
+                                      EventNotifier *n ,
                                       unsigned int vector)
 {
-    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
-    VirtQueue *vq = virtio_get_queue(vdev, queue_no);
-    EventNotifier *n = virtio_queue_get_guest_notifier(vq);
     VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
     int ret;
 
     ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, n, irqfd->virq);
     assert(ret == 0);
 }
+static int virtio_pci_get_notifier(VirtIOPCIProxy *proxy, int queue_no,
+                                      EventNotifier **n, unsigned int *vector)
+{
+    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
+    VirtQueue *vq;
 
-static int kvm_virtio_pci_vector_use(VirtIOPCIProxy *proxy, int nvqs)
+    if (queue_no == VIRTIO_CONFIG_IRQ_IDX) {
+        *n = virtio_config_get_guest_notifier(vdev);
+        *vector = vdev->config_vector;
+    } else {
+        if (!virtio_queue_get_num(vdev, queue_no)) {
+            return -1;
+        }
+        *vector = virtio_queue_vector(vdev, queue_no);
+        vq = virtio_get_queue(vdev, queue_no);
+        *n = virtio_queue_get_guest_notifier(vq);
+    }
+    return 0;
+}
+
+static int kvm_virtio_pci_vector_use_one(VirtIOPCIProxy *proxy, int queue_no)
 {
+    unsigned int vector;
+    int ret;
+    EventNotifier *n;
     PCIDevice *dev = &proxy->pci_dev;
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
-    unsigned int vector;
-    int ret, queue_no;
 
-    for (queue_no = 0; queue_no < nvqs; queue_no++) {
-        if (!virtio_queue_get_num(vdev, queue_no)) {
-            break;
-        }
-        vector = virtio_queue_vector(vdev, queue_no);
-        if (vector >= msix_nr_vectors_allocated(dev)) {
-            continue;
-        }
-        ret = kvm_virtio_pci_vq_vector_use(proxy, queue_no, vector);
+    ret = virtio_pci_get_notifier(proxy, queue_no, &n, &vector);
+    if (ret < 0) {
+        return ret;
+    }
+    if (vector >= msix_nr_vectors_allocated(dev)) {
+        return 0;
+    }
+    ret = kvm_virtio_pci_vq_vector_use(proxy, vector);
+    if (ret < 0) {
+        goto undo;
+    }
+    /*
+     * If guest supports masking, set up irqfd now.
+     * Otherwise, delay until unmasked in the frontend.
+     */
+    if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
+        ret = kvm_virtio_pci_irqfd_use(proxy, n, vector);
         if (ret < 0) {
+            kvm_virtio_pci_vq_vector_release(proxy, vector);
             goto undo;
         }
-        /* If guest supports masking, set up irqfd now.
-         * Otherwise, delay until unmasked in the frontend.
-         */
-        if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
-            ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector);
-            if (ret < 0) {
-                kvm_virtio_pci_vq_vector_release(proxy, vector);
-                goto undo;
-            }
-        }
     }
-    return 0;
 
+    return 0;
 undo:
-    while (--queue_no >= 0) {
-        vector = virtio_queue_vector(vdev, queue_no);
-        if (vector >= msix_nr_vectors_allocated(dev)) {
-            continue;
+
+    vector = virtio_queue_vector(vdev, queue_no);
+    if (vector >= msix_nr_vectors_allocated(dev)) {
+        return ret;
+    }
+    if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
+        ret = virtio_pci_get_notifier(proxy, queue_no, &n, &vector);
+        if (ret < 0) {
+            return ret;
         }
-        if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
-            kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
+        kvm_virtio_pci_irqfd_release(proxy, n, vector);
+    }
+    return ret;
+}
+static int kvm_virtio_pci_vector_vq_use(VirtIOPCIProxy *proxy, int nvqs)
+{
+    int queue_no;
+    int ret = 0;
+    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
+
+    for (queue_no = 0; queue_no < nvqs; queue_no++) {
+        if (!virtio_queue_get_num(vdev, queue_no)) {
+            return -1;
         }
-        kvm_virtio_pci_vq_vector_release(proxy, vector);
+        ret = kvm_virtio_pci_vector_use_one(proxy, queue_no);
     }
     return ret;
 }
 
-static void kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs)
+static int kvm_virtio_pci_vector_config_use(VirtIOPCIProxy *proxy)
+{
+    return kvm_virtio_pci_vector_use_one(proxy, VIRTIO_CONFIG_IRQ_IDX);
+}
+
+static void kvm_virtio_pci_vector_release_one(VirtIOPCIProxy *proxy,
+                                              int queue_no)
 {
-    PCIDevice *dev = &proxy->pci_dev;
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     unsigned int vector;
-    int queue_no;
+    EventNotifier *n;
+    int ret;
     VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
+    PCIDevice *dev = &proxy->pci_dev;
+
+    ret = virtio_pci_get_notifier(proxy, queue_no, &n, &vector);
+    if (ret < 0) {
+        return;
+    }
+    if (vector >= msix_nr_vectors_allocated(dev)) {
+        return;
+    }
+    if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
+        kvm_virtio_pci_irqfd_release(proxy, n, vector);
+    }
+    kvm_virtio_pci_vq_vector_release(proxy, vector);
+}
+
+static void kvm_virtio_pci_vector_vq_release(VirtIOPCIProxy *proxy, int nvqs)
+{
+    int queue_no;
+    VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
 
     for (queue_no = 0; queue_no < nvqs; queue_no++) {
         if (!virtio_queue_get_num(vdev, queue_no)) {
             break;
         }
-        vector = virtio_queue_vector(vdev, queue_no);
-        if (vector >= msix_nr_vectors_allocated(dev)) {
-            continue;
-        }
-        /* If guest supports masking, clean up irqfd now.
-         * Otherwise, it was cleaned when masked in the frontend.
-         */
-        if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
-            kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
-        }
-        kvm_virtio_pci_vq_vector_release(proxy, vector);
+        kvm_virtio_pci_vector_release_one(proxy, queue_no);
     }
 }
 
-static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
+static void kvm_virtio_pci_vector_config_release(VirtIOPCIProxy *proxy)
+{
+    kvm_virtio_pci_vector_release_one(proxy, VIRTIO_CONFIG_IRQ_IDX);
+}
+
+static int virtio_pci_one_vector_unmask(VirtIOPCIProxy *proxy,
                                        unsigned int queue_no,
                                        unsigned int vector,
-                                       MSIMessage msg)
+                                       MSIMessage msg,
+                                       EventNotifier *n)
 {
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
-    VirtQueue *vq = virtio_get_queue(vdev, queue_no);
-    EventNotifier *n = virtio_queue_get_guest_notifier(vq);
     VirtIOIRQFD *irqfd;
     int ret = 0;
 
@@ -945,14 +992,15 @@ static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
             event_notifier_set(n);
         }
     } else {
-        ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector);
+        ret = kvm_virtio_pci_irqfd_use(proxy, n, vector);
     }
     return ret;
 }
 
-static void virtio_pci_vq_vector_mask(VirtIOPCIProxy *proxy,
+static void virtio_pci_one_vector_mask(VirtIOPCIProxy *proxy,
                                              unsigned int queue_no,
-                                             unsigned int vector)
+                                             unsigned int vector,
+                                             EventNotifier *n)
 {
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
@@ -963,7 +1011,7 @@ static void virtio_pci_vq_vector_mask(VirtIOPCIProxy *proxy,
     if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
         k->guest_notifier_mask(vdev, queue_no, true);
     } else {
-        kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
+        kvm_virtio_pci_irqfd_release(proxy, n, vector);
     }
 }
 
@@ -973,6 +1021,7 @@ static int virtio_pci_vector_unmask(PCIDevice *dev, unsigned vector,
     VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     VirtQueue *vq = virtio_vector_first_queue(vdev, vector);
+    EventNotifier *n;
     int ret, index, unmasked = 0;
 
     while (vq) {
@@ -981,7 +1030,8 @@ static int virtio_pci_vector_unmask(PCIDevice *dev, unsigned vector,
             break;
         }
         if (index < proxy->nvqs_with_notifiers) {
-            ret = virtio_pci_vq_vector_unmask(proxy, index, vector, msg);
+            n = virtio_queue_get_guest_notifier(vq);
+            ret = virtio_pci_one_vector_unmask(proxy, index, vector, msg, n);
             if (ret < 0) {
                 goto undo;
             }
@@ -989,15 +1039,26 @@ static int virtio_pci_vector_unmask(PCIDevice *dev, unsigned vector,
         }
         vq = virtio_vector_next_queue(vq);
     }
-
+    /* unmask config intr */
+    if (vector == vdev->config_vector) {
+        n = virtio_config_get_guest_notifier(vdev);
+        ret = virtio_pci_one_vector_unmask(proxy, VIRTIO_CONFIG_IRQ_IDX, vector,
+                                           msg, n);
+        if (ret < 0) {
+            goto undo_config;
+        }
+    }
     return 0;
-
+undo_config:
+    n = virtio_config_get_guest_notifier(vdev);
+    virtio_pci_one_vector_mask(proxy, VIRTIO_CONFIG_IRQ_IDX, vector, n);
 undo:
     vq = virtio_vector_first_queue(vdev, vector);
     while (vq && unmasked >= 0) {
         index = virtio_get_queue_index(vq);
         if (index < proxy->nvqs_with_notifiers) {
-            virtio_pci_vq_vector_mask(proxy, index, vector);
+            n = virtio_queue_get_guest_notifier(vq);
+            virtio_pci_one_vector_mask(proxy, index, vector, n);
             --unmasked;
         }
         vq = virtio_vector_next_queue(vq);
@@ -1010,18 +1071,25 @@ static void virtio_pci_vector_mask(PCIDevice *dev, unsigned vector)
     VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     VirtQueue *vq = virtio_vector_first_queue(vdev, vector);
+    EventNotifier *n;
     int index;
 
     while (vq) {
         index = virtio_get_queue_index(vq);
+        n = virtio_queue_get_guest_notifier(vq);
         if (!virtio_queue_get_num(vdev, index)) {
             break;
         }
         if (index < proxy->nvqs_with_notifiers) {
-            virtio_pci_vq_vector_mask(proxy, index, vector);
+            virtio_pci_one_vector_mask(proxy, index, vector, n);
         }
         vq = virtio_vector_next_queue(vq);
     }
+
+    if (vector == vdev->config_vector) {
+        n = virtio_config_get_guest_notifier(vdev);
+        virtio_pci_one_vector_mask(proxy, VIRTIO_CONFIG_IRQ_IDX, vector, n);
+    }
 }
 
 static void virtio_pci_vector_poll(PCIDevice *dev,
@@ -1034,19 +1102,17 @@ static void virtio_pci_vector_poll(PCIDevice *dev,
     int queue_no;
     unsigned int vector;
     EventNotifier *notifier;
-    VirtQueue *vq;
+    int ret;
 
     for (queue_no = 0; queue_no < proxy->nvqs_with_notifiers; queue_no++) {
-        if (!virtio_queue_get_num(vdev, queue_no)) {
+        ret = virtio_pci_get_notifier(proxy, queue_no, &notifier, &vector);
+        if (ret < 0) {
             break;
         }
-        vector = virtio_queue_vector(vdev, queue_no);
         if (vector < vector_start || vector >= vector_end ||
             !msix_is_masked(dev, vector)) {
             continue;
         }
-        vq = virtio_get_queue(vdev, queue_no);
-        notifier = virtio_queue_get_guest_notifier(vq);
         if (k->guest_notifier_pending) {
             if (k->guest_notifier_pending(vdev, queue_no)) {
                 msix_set_pending(dev, vector);
@@ -1055,6 +1121,34 @@ static void virtio_pci_vector_poll(PCIDevice *dev,
             msix_set_pending(dev, vector);
         }
     }
+    /* poll the config intr */
+    ret = virtio_pci_get_notifier(proxy, VIRTIO_CONFIG_IRQ_IDX, &notifier,
+                                  &vector);
+    if (ret < 0) {
+        return;
+    }
+    if (vector < vector_start || vector >= vector_end ||
+        !msix_is_masked(dev, vector)) {
+        return;
+    }
+    if (k->guest_notifier_pending) {
+        if (k->guest_notifier_pending(vdev, VIRTIO_CONFIG_IRQ_IDX)) {
+            msix_set_pending(dev, vector);
+        }
+    } else if (event_notifier_test_and_clear(notifier)) {
+        msix_set_pending(dev, vector);
+    }
+}
+
+void virtio_pci_set_guest_notifier_fd_handler(VirtIODevice *vdev, VirtQueue *vq,
+                                              int n, bool assign,
+                                              bool with_irqfd)
+{
+    if (n == VIRTIO_CONFIG_IRQ_IDX) {
+        virtio_config_set_guest_notifier_fd_handler(vdev, assign, with_irqfd);
+    } else {
+        virtio_queue_set_guest_notifier_fd_handler(vq, assign, with_irqfd);
+    }
 }
 
 static int virtio_pci_set_guest_notifier(DeviceState *d, int n, bool assign,
@@ -1063,17 +1157,25 @@ static int virtio_pci_set_guest_notifier(DeviceState *d, int n, bool assign,
     VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d);
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
     VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
-    VirtQueue *vq = virtio_get_queue(vdev, n);
-    EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
+    VirtQueue *vq = NULL;
+    EventNotifier *notifier = NULL;
+
+    if (n == VIRTIO_CONFIG_IRQ_IDX) {
+        notifier = virtio_config_get_guest_notifier(vdev);
+    } else {
+        vq = virtio_get_queue(vdev, n);
+        notifier = virtio_queue_get_guest_notifier(vq);
+    }
 
     if (assign) {
         int r = event_notifier_init(notifier, 0);
         if (r < 0) {
             return r;
         }
-        virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd);
+        virtio_pci_set_guest_notifier_fd_handler(vdev, vq, n, true, with_irqfd);
     } else {
-        virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd);
+        virtio_pci_set_guest_notifier_fd_handler(vdev, vq, n, false,
+                                                 with_irqfd);
         event_notifier_cleanup(notifier);
     }
 
@@ -1116,10 +1218,13 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
     proxy->nvqs_with_notifiers = nvqs;
 
     /* Must unset vector notifier while guest notifier is still assigned */
-    if ((proxy->vector_irqfd || k->guest_notifier_mask) && !assign) {
+    if ((proxy->vector_irqfd ||
+         (vdev->use_guest_notifier_mask && k->guest_notifier_mask)) &&
+        !assign) {
         msix_unset_vector_notifiers(&proxy->pci_dev);
         if (proxy->vector_irqfd) {
-            kvm_virtio_pci_vector_release(proxy, nvqs);
+            kvm_virtio_pci_vector_vq_release(proxy, nvqs);
+            kvm_virtio_pci_vector_config_release(proxy);
             g_free(proxy->vector_irqfd);
             proxy->vector_irqfd = NULL;
         }
@@ -1135,20 +1240,30 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
             goto assign_error;
         }
     }
-
+    r = virtio_pci_set_guest_notifier(d, VIRTIO_CONFIG_IRQ_IDX, assign,
+                                      with_irqfd);
+    if (r < 0) {
+        goto config_assign_error;
+    }
     /* Must set vector notifier after guest notifier has been assigned */
-    if ((with_irqfd || k->guest_notifier_mask) && assign) {
+    if ((with_irqfd ||
+         (vdev->use_guest_notifier_mask && k->guest_notifier_mask)) &&
+        assign) {
         if (with_irqfd) {
             proxy->vector_irqfd =
                 g_malloc0(sizeof(*proxy->vector_irqfd) *
                           msix_nr_vectors_allocated(&proxy->pci_dev));
-            r = kvm_virtio_pci_vector_use(proxy, nvqs);
+            r = kvm_virtio_pci_vector_vq_use(proxy, nvqs);
+            if (r < 0) {
+                goto config_assign_error;
+            }
+            r = kvm_virtio_pci_vector_config_use(proxy);
             if (r < 0) {
-                goto assign_error;
+                goto config_error;
             }
         }
-        r = msix_set_vector_notifiers(&proxy->pci_dev,
-                                      virtio_pci_vector_unmask,
+
+        r = msix_set_vector_notifiers(&proxy->pci_dev, virtio_pci_vector_unmask,
                                       virtio_pci_vector_mask,
                                       virtio_pci_vector_poll);
         if (r < 0) {
@@ -1161,15 +1276,23 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
 notifiers_error:
     if (with_irqfd) {
         assert(assign);
-        kvm_virtio_pci_vector_release(proxy, nvqs);
+        kvm_virtio_pci_vector_vq_release(proxy, nvqs);
     }
-
+config_error:
+    if (with_irqfd) {
+        kvm_virtio_pci_vector_config_release(proxy);
+    }
+config_assign_error:
+    virtio_pci_set_guest_notifier(d, VIRTIO_CONFIG_IRQ_IDX, !assign,
+                                  with_irqfd);
 assign_error:
     /* We get here on assignment failure. Recover by undoing for VQs 0 .. n. */
     assert(assign);
     while (--n >= 0) {
         virtio_pci_set_guest_notifier(d, n, !assign, with_irqfd);
     }
+    g_free(proxy->vector_irqfd);
+    proxy->vector_irqfd = NULL;
     return r;
 }
 
diff --git a/hw/virtio/virtio-qmp.c b/hw/virtio/virtio-qmp.c
index 8e7282658f..e4d4bece2d 100644
--- a/hw/virtio/virtio-qmp.c
+++ b/hw/virtio/virtio-qmp.c
@@ -10,9 +10,14 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/virtio/virtio.h"
 #include "virtio-qmp.h"
 
+#include "qapi/error.h"
+#include "qapi/qapi-commands-virtio.h"
+#include "qapi/qapi-commands-qom.h"
+#include "qapi/qmp/qobject.h"
+#include "qapi/qmp/qjson.h"
+
 #include "standard-headers/linux/virtio_ids.h"
 #include "standard-headers/linux/vhost_types.h"
 #include "standard-headers/linux/virtio_blk.h"
@@ -657,3 +662,188 @@ VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id, uint64_t bitmap)
 
     return features;
 }
+
+VirtioInfoList *qmp_x_query_virtio(Error **errp)
+{
+    VirtioInfoList *list = NULL;
+    VirtioInfoList *node;
+    VirtIODevice *vdev;
+
+    QTAILQ_FOREACH(vdev, &virtio_list, next) {
+        DeviceState *dev = DEVICE(vdev);
+        Error *err = NULL;
+        QObject *obj = qmp_qom_get(dev->canonical_path, "realized", &err);
+
+        if (err == NULL) {
+            GString *is_realized = qobject_to_json_pretty(obj, true);
+            /* virtio device is NOT realized, remove it from list */
+            if (!strncmp(is_realized->str, "false", 4)) {
+                QTAILQ_REMOVE(&virtio_list, vdev, next);
+            } else {
+                node = g_new0(VirtioInfoList, 1);
+                node->value = g_new(VirtioInfo, 1);
+                node->value->path = g_strdup(dev->canonical_path);
+                node->value->name = g_strdup(vdev->name);
+                QAPI_LIST_PREPEND(list, node->value);
+            }
+           g_string_free(is_realized, true);
+        }
+        qobject_unref(obj);
+    }
+
+    return list;
+}
+
+VirtIODevice *qmp_find_virtio_device(const char *path)
+{
+    VirtIODevice *vdev;
+
+    QTAILQ_FOREACH(vdev, &virtio_list, next) {
+        DeviceState *dev = DEVICE(vdev);
+
+        if (strcmp(dev->canonical_path, path) != 0) {
+            continue;
+        }
+
+        Error *err = NULL;
+        QObject *obj = qmp_qom_get(dev->canonical_path, "realized", &err);
+        if (err == NULL) {
+            GString *is_realized = qobject_to_json_pretty(obj, true);
+            /* virtio device is NOT realized, remove it from list */
+            if (!strncmp(is_realized->str, "false", 4)) {
+                g_string_free(is_realized, true);
+                qobject_unref(obj);
+                QTAILQ_REMOVE(&virtio_list, vdev, next);
+                return NULL;
+            }
+            g_string_free(is_realized, true);
+        } else {
+            /* virtio device doesn't exist in QOM tree */
+            QTAILQ_REMOVE(&virtio_list, vdev, next);
+            qobject_unref(obj);
+            return NULL;
+        }
+        /* device exists in QOM tree & is realized */
+        qobject_unref(obj);
+        return vdev;
+    }
+    return NULL;
+}
+
+VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
+{
+    VirtIODevice *vdev;
+    VirtioStatus *status;
+
+    vdev = qmp_find_virtio_device(path);
+    if (vdev == NULL) {
+        error_setg(errp, "Path %s is not a VirtIODevice", path);
+        return NULL;
+    }
+
+    status = g_new0(VirtioStatus, 1);
+    status->name = g_strdup(vdev->name);
+    status->device_id = vdev->device_id;
+    status->vhost_started = vdev->vhost_started;
+    status->guest_features = qmp_decode_features(vdev->device_id,
+                                                 vdev->guest_features);
+    status->host_features = qmp_decode_features(vdev->device_id,
+                                                vdev->host_features);
+    status->backend_features = qmp_decode_features(vdev->device_id,
+                                                   vdev->backend_features);
+
+    switch (vdev->device_endian) {
+    case VIRTIO_DEVICE_ENDIAN_LITTLE:
+        status->device_endian = g_strdup("little");
+        break;
+    case VIRTIO_DEVICE_ENDIAN_BIG:
+        status->device_endian = g_strdup("big");
+        break;
+    default:
+        status->device_endian = g_strdup("unknown");
+        break;
+    }
+
+    status->num_vqs = virtio_get_num_queues(vdev);
+    status->status = qmp_decode_status(vdev->status);
+    status->isr = vdev->isr;
+    status->queue_sel = vdev->queue_sel;
+    status->vm_running = vdev->vm_running;
+    status->broken = vdev->broken;
+    status->disabled = vdev->disabled;
+    status->use_started = vdev->use_started;
+    status->started = vdev->started;
+    status->start_on_kick = vdev->start_on_kick;
+    status->disable_legacy_check = vdev->disable_legacy_check;
+    status->bus_name = g_strdup(vdev->bus_name);
+    status->use_guest_notifier_mask = vdev->use_guest_notifier_mask;
+
+    if (vdev->vhost_started) {
+        VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
+        struct vhost_dev *hdev = vdc->get_vhost(vdev);
+
+        status->vhost_dev = g_new0(VhostStatus, 1);
+        status->vhost_dev->n_mem_sections = hdev->n_mem_sections;
+        status->vhost_dev->n_tmp_sections = hdev->n_tmp_sections;
+        status->vhost_dev->nvqs = hdev->nvqs;
+        status->vhost_dev->vq_index = hdev->vq_index;
+        status->vhost_dev->features =
+            qmp_decode_features(vdev->device_id, hdev->features);
+        status->vhost_dev->acked_features =
+            qmp_decode_features(vdev->device_id, hdev->acked_features);
+        status->vhost_dev->backend_features =
+            qmp_decode_features(vdev->device_id, hdev->backend_features);
+        status->vhost_dev->protocol_features =
+            qmp_decode_protocols(hdev->protocol_features);
+        status->vhost_dev->max_queues = hdev->max_queues;
+        status->vhost_dev->backend_cap = hdev->backend_cap;
+        status->vhost_dev->log_enabled = hdev->log_enabled;
+        status->vhost_dev->log_size = hdev->log_size;
+    }
+
+    return status;
+}
+
+VirtVhostQueueStatus *qmp_x_query_virtio_vhost_queue_status(const char *path,
+                                                            uint16_t queue,
+                                                            Error **errp)
+{
+    VirtIODevice *vdev;
+    VirtVhostQueueStatus *status;
+
+    vdev = qmp_find_virtio_device(path);
+    if (vdev == NULL) {
+        error_setg(errp, "Path %s is not a VirtIODevice", path);
+        return NULL;
+    }
+
+    if (!vdev->vhost_started) {
+        error_setg(errp, "Error: vhost device has not started yet");
+        return NULL;
+    }
+
+    VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
+    struct vhost_dev *hdev = vdc->get_vhost(vdev);
+
+    if (queue < hdev->vq_index || queue >= hdev->vq_index + hdev->nvqs) {
+        error_setg(errp, "Invalid vhost virtqueue number %d", queue);
+        return NULL;
+    }
+
+    status = g_new0(VirtVhostQueueStatus, 1);
+    status->name = g_strdup(vdev->name);
+    status->kick = hdev->vqs[queue].kick;
+    status->call = hdev->vqs[queue].call;
+    status->desc = (uintptr_t)hdev->vqs[queue].desc;
+    status->avail = (uintptr_t)hdev->vqs[queue].avail;
+    status->used = (uintptr_t)hdev->vqs[queue].used;
+    status->num = hdev->vqs[queue].num;
+    status->desc_phys = hdev->vqs[queue].desc_phys;
+    status->desc_size = hdev->vqs[queue].desc_size;
+    status->avail_phys = hdev->vqs[queue].avail_phys;
+    status->avail_size = hdev->vqs[queue].avail_size;
+    status->used_phys = hdev->vqs[queue].used_phys;
+    status->used_size = hdev->vqs[queue].used_size;
+
+    return status;
+}
diff --git a/hw/virtio/virtio-qmp.h b/hw/virtio/virtio-qmp.h
index 075fc27030..8af5f5e65a 100644
--- a/hw/virtio/virtio-qmp.h
+++ b/hw/virtio/virtio-qmp.h
@@ -12,7 +12,17 @@
 #define HW_VIRTIO_QMP_H
 
 #include "qapi/qapi-types-virtio.h"
+#include "hw/virtio/virtio.h"
+#include "hw/virtio/vhost.h"
 
+#include "qemu/queue.h"
+
+typedef QTAILQ_HEAD(QmpVirtIODeviceList, VirtIODevice) QmpVirtIODeviceList;
+
+/* QAPI list of realized VirtIODevices */
+extern QmpVirtIODeviceList virtio_list;
+
+VirtIODevice *qmp_find_virtio_device(const char *path);
 VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap);
 VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap);
 VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id, uint64_t bitmap);
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 289eb71045..f35178f5fc 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -13,10 +13,7 @@
 
 #include "qemu/osdep.h"
 #include "qapi/error.h"
-#include "qapi/qmp/qdict.h"
 #include "qapi/qapi-commands-virtio.h"
-#include "qapi/qapi-commands-qom.h"
-#include "qapi/qmp/qjson.h"
 #include "trace.h"
 #include "qemu/error-report.h"
 #include "qemu/log.h"
@@ -25,6 +22,7 @@
 #include "qom/object_interfaces.h"
 #include "hw/core/cpu.h"
 #include "hw/virtio/virtio.h"
+#include "hw/virtio/vhost.h"
 #include "migration/qemu-file-types.h"
 #include "qemu/atomic.h"
 #include "hw/virtio/virtio-bus.h"
@@ -47,8 +45,7 @@
 #include "standard-headers/linux/virtio_mem.h"
 #include "standard-headers/linux/virtio_vsock.h"
 
-/* QAPI list of realized VirtIODevices */
-static QTAILQ_HEAD(, VirtIODevice) virtio_list;
+QmpVirtIODeviceList virtio_list;
 
 /*
  * Maximum size of virtio device config space
@@ -3417,7 +3414,14 @@ static void virtio_queue_guest_notifier_read(EventNotifier *n)
         virtio_irq(vq);
     }
 }
+static void virtio_config_guest_notifier_read(EventNotifier *n)
+{
+    VirtIODevice *vdev = container_of(n, VirtIODevice, config_notifier);
 
+    if (event_notifier_test_and_clear(n)) {
+        virtio_notify_config(vdev);
+    }
+}
 void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign,
                                                 bool with_irqfd)
 {
@@ -3434,6 +3438,23 @@ void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign,
     }
 }
 
+void virtio_config_set_guest_notifier_fd_handler(VirtIODevice *vdev,
+                                                 bool assign, bool with_irqfd)
+{
+    EventNotifier *n;
+    n = &vdev->config_notifier;
+    if (assign && !with_irqfd) {
+        event_notifier_set_handler(n, virtio_config_guest_notifier_read);
+    } else {
+        event_notifier_set_handler(n, NULL);
+    }
+    if (!assign) {
+        /* Test and clear notifier before closing it,*/
+        /* in case poll callback didn't have time to run. */
+        virtio_config_guest_notifier_read(n);
+    }
+}
+
 EventNotifier *virtio_queue_get_guest_notifier(VirtQueue *vq)
 {
     return &vq->guest_notifier;
@@ -3514,6 +3535,11 @@ EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq)
     return &vq->host_notifier;
 }
 
+EventNotifier *virtio_config_get_guest_notifier(VirtIODevice *vdev)
+{
+    return &vdev->config_notifier;
+}
+
 void virtio_queue_set_host_notifier_enabled(VirtQueue *vq, bool enabled)
 {
     vq->host_notifier_enabled = enabled;
@@ -3795,191 +3821,6 @@ bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev)
     return virtio_bus_ioeventfd_enabled(vbus);
 }
 
-VirtioInfoList *qmp_x_query_virtio(Error **errp)
-{
-    VirtioInfoList *list = NULL;
-    VirtioInfoList *node;
-    VirtIODevice *vdev;
-
-    QTAILQ_FOREACH(vdev, &virtio_list, next) {
-        DeviceState *dev = DEVICE(vdev);
-        Error *err = NULL;
-        QObject *obj = qmp_qom_get(dev->canonical_path, "realized", &err);
-
-        if (err == NULL) {
-            GString *is_realized = qobject_to_json_pretty(obj, true);
-            /* virtio device is NOT realized, remove it from list */
-            if (!strncmp(is_realized->str, "false", 4)) {
-                QTAILQ_REMOVE(&virtio_list, vdev, next);
-            } else {
-                node = g_new0(VirtioInfoList, 1);
-                node->value = g_new(VirtioInfo, 1);
-                node->value->path = g_strdup(dev->canonical_path);
-                node->value->name = g_strdup(vdev->name);
-                QAPI_LIST_PREPEND(list, node->value);
-            }
-           g_string_free(is_realized, true);
-        }
-        qobject_unref(obj);
-    }
-
-    return list;
-}
-
-static VirtIODevice *virtio_device_find(const char *path)
-{
-    VirtIODevice *vdev;
-
-    QTAILQ_FOREACH(vdev, &virtio_list, next) {
-        DeviceState *dev = DEVICE(vdev);
-
-        if (strcmp(dev->canonical_path, path) != 0) {
-            continue;
-        }
-
-        Error *err = NULL;
-        QObject *obj = qmp_qom_get(dev->canonical_path, "realized", &err);
-        if (err == NULL) {
-            GString *is_realized = qobject_to_json_pretty(obj, true);
-            /* virtio device is NOT realized, remove it from list */
-            if (!strncmp(is_realized->str, "false", 4)) {
-                g_string_free(is_realized, true);
-                qobject_unref(obj);
-                QTAILQ_REMOVE(&virtio_list, vdev, next);
-                return NULL;
-            }
-            g_string_free(is_realized, true);
-        } else {
-            /* virtio device doesn't exist in QOM tree */
-            QTAILQ_REMOVE(&virtio_list, vdev, next);
-            qobject_unref(obj);
-            return NULL;
-        }
-        /* device exists in QOM tree & is realized */
-        qobject_unref(obj);
-        return vdev;
-    }
-    return NULL;
-}
-
-VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp)
-{
-    VirtIODevice *vdev;
-    VirtioStatus *status;
-
-    vdev = virtio_device_find(path);
-    if (vdev == NULL) {
-        error_setg(errp, "Path %s is not a VirtIODevice", path);
-        return NULL;
-    }
-
-    status = g_new0(VirtioStatus, 1);
-    status->name = g_strdup(vdev->name);
-    status->device_id = vdev->device_id;
-    status->vhost_started = vdev->vhost_started;
-    status->guest_features = qmp_decode_features(vdev->device_id,
-                                                 vdev->guest_features);
-    status->host_features = qmp_decode_features(vdev->device_id,
-                                                vdev->host_features);
-    status->backend_features = qmp_decode_features(vdev->device_id,
-                                                   vdev->backend_features);
-
-    switch (vdev->device_endian) {
-    case VIRTIO_DEVICE_ENDIAN_LITTLE:
-        status->device_endian = g_strdup("little");
-        break;
-    case VIRTIO_DEVICE_ENDIAN_BIG:
-        status->device_endian = g_strdup("big");
-        break;
-    default:
-        status->device_endian = g_strdup("unknown");
-        break;
-    }
-
-    status->num_vqs = virtio_get_num_queues(vdev);
-    status->status = qmp_decode_status(vdev->status);
-    status->isr = vdev->isr;
-    status->queue_sel = vdev->queue_sel;
-    status->vm_running = vdev->vm_running;
-    status->broken = vdev->broken;
-    status->disabled = vdev->disabled;
-    status->use_started = vdev->use_started;
-    status->started = vdev->started;
-    status->start_on_kick = vdev->start_on_kick;
-    status->disable_legacy_check = vdev->disable_legacy_check;
-    status->bus_name = g_strdup(vdev->bus_name);
-    status->use_guest_notifier_mask = vdev->use_guest_notifier_mask;
-
-    if (vdev->vhost_started) {
-        VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
-        struct vhost_dev *hdev = vdc->get_vhost(vdev);
-
-        status->vhost_dev = g_new0(VhostStatus, 1);
-        status->vhost_dev->n_mem_sections = hdev->n_mem_sections;
-        status->vhost_dev->n_tmp_sections = hdev->n_tmp_sections;
-        status->vhost_dev->nvqs = hdev->nvqs;
-        status->vhost_dev->vq_index = hdev->vq_index;
-        status->vhost_dev->features =
-            qmp_decode_features(vdev->device_id, hdev->features);
-        status->vhost_dev->acked_features =
-            qmp_decode_features(vdev->device_id, hdev->acked_features);
-        status->vhost_dev->backend_features =
-            qmp_decode_features(vdev->device_id, hdev->backend_features);
-        status->vhost_dev->protocol_features =
-            qmp_decode_protocols(hdev->protocol_features);
-        status->vhost_dev->max_queues = hdev->max_queues;
-        status->vhost_dev->backend_cap = hdev->backend_cap;
-        status->vhost_dev->log_enabled = hdev->log_enabled;
-        status->vhost_dev->log_size = hdev->log_size;
-    }
-
-    return status;
-}
-
-VirtVhostQueueStatus *qmp_x_query_virtio_vhost_queue_status(const char *path,
-                                                            uint16_t queue,
-                                                            Error **errp)
-{
-    VirtIODevice *vdev;
-    VirtVhostQueueStatus *status;
-
-    vdev = virtio_device_find(path);
-    if (vdev == NULL) {
-        error_setg(errp, "Path %s is not a VirtIODevice", path);
-        return NULL;
-    }
-
-    if (!vdev->vhost_started) {
-        error_setg(errp, "Error: vhost device has not started yet");
-        return NULL;
-    }
-
-    VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);
-    struct vhost_dev *hdev = vdc->get_vhost(vdev);
-
-    if (queue < hdev->vq_index || queue >= hdev->vq_index + hdev->nvqs) {
-        error_setg(errp, "Invalid vhost virtqueue number %d", queue);
-        return NULL;
-    }
-
-    status = g_new0(VirtVhostQueueStatus, 1);
-    status->name = g_strdup(vdev->name);
-    status->kick = hdev->vqs[queue].kick;
-    status->call = hdev->vqs[queue].call;
-    status->desc = (uintptr_t)hdev->vqs[queue].desc;
-    status->avail = (uintptr_t)hdev->vqs[queue].avail;
-    status->used = (uintptr_t)hdev->vqs[queue].used;
-    status->num = hdev->vqs[queue].num;
-    status->desc_phys = hdev->vqs[queue].desc_phys;
-    status->desc_size = hdev->vqs[queue].desc_size;
-    status->avail_phys = hdev->vqs[queue].avail_phys;
-    status->avail_size = hdev->vqs[queue].avail_size;
-    status->used_phys = hdev->vqs[queue].used_phys;
-    status->used_size = hdev->vqs[queue].used_size;
-
-    return status;
-}
-
 VirtQueueStatus *qmp_x_query_virtio_queue_status(const char *path,
                                                  uint16_t queue,
                                                  Error **errp)
@@ -3987,7 +3828,7 @@ VirtQueueStatus *qmp_x_query_virtio_queue_status(const char *path,
     VirtIODevice *vdev;
     VirtQueueStatus *status;
 
-    vdev = virtio_device_find(path);
+    vdev = qmp_find_virtio_device(path);
     if (vdev == NULL) {
         error_setg(errp, "Path %s is not a VirtIODevice", path);
         return NULL;
@@ -4080,7 +3921,7 @@ VirtioQueueElement *qmp_x_query_virtio_queue_element(const char *path,
     VirtQueue *vq;
     VirtioQueueElement *element = NULL;
 
-    vdev = virtio_device_find(path);
+    vdev = qmp_find_virtio_device(path);
     if (vdev == NULL) {
         error_setg(errp, "Path %s is not a VirtIO device", path);
         return NULL;
diff --git a/hw/watchdog/wdt_i6300esb.c b/hw/watchdog/wdt_i6300esb.c
index 5693ec6a09..54c167cd35 100644
--- a/hw/watchdog/wdt_i6300esb.c
+++ b/hw/watchdog/wdt_i6300esb.c
@@ -24,7 +24,7 @@
 #include "qemu/module.h"
 #include "qemu/timer.h"
 #include "sysemu/watchdog.h"
-#include "hw/pci/pci.h"
+#include "hw/pci/pci_device.h"
 #include "migration/vmstate.h"
 #include "qom/object.h"
 
diff --git a/hw/xen/xen_pt.h b/hw/xen/xen_pt.h
index e7c4316a7d..cf10fc7bbf 100644
--- a/hw/xen/xen_pt.h
+++ b/hw/xen/xen_pt.h
@@ -2,7 +2,6 @@
 #define XEN_PT_H
 
 #include "hw/xen/xen_common.h"
-#include "hw/pci/pci.h"
 #include "xen-host-pci-device.h"
 #include "qom/object.h"
author	Peter Maydell <peter.maydell@linaro.org>	2023-01-09 10:07:11 +0000
committer	Peter Maydell <peter.maydell@linaro.org>	2023-01-09 10:07:12 +0000
commit	d6271b657286de80260413684a1f2a63f44ea17b (patch)
tree	0e604002563e1e75a3b114ccb7dbdf30c1690df6 /hw
parent	3d83b78285d6e96636130f7d449fd02e2d4deee0 (diff)
parent	aba0d042b1c1be38818cec16af3f34e9e9e2aed2 (diff)
download	focaccia-qemu-d6271b657286de80260413684a1f2a63f44ea17b.tar.gz focaccia-qemu-d6271b657286de80260413684a1f2a63f44ea17b.zip