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-rw-r--r--hw/9pfs/9p.c4
-rw-r--r--hw/acpi/piix4.c1
-rw-r--r--hw/acpi/vmgenid.c2
-rw-r--r--hw/audio/ac97.c4
-rw-r--r--hw/audio/es1370.c4
-rw-r--r--hw/audio/intel-hda.c4
-rw-r--r--hw/block/nvme.c4
-rw-r--r--hw/char/serial-pci.c12
-rw-r--r--hw/core/loader.c2
-rw-r--r--hw/display/cirrus_vga.c10
-rw-r--r--hw/display/qxl.c4
-rw-r--r--hw/display/sm501.c4
-rw-r--r--hw/display/vga-pci.c4
-rw-r--r--hw/display/vga.c33
-rw-r--r--hw/display/vmware_vga.c4
-rw-r--r--hw/i2c/smbus_ich9.c4
-rw-r--r--hw/i386/acpi-build.c2
-rw-r--r--hw/i386/amd_iommu.c4
-rw-r--r--hw/i386/kvm/pci-assign.c4
-rw-r--r--hw/i386/pc_piix.c8
-rw-r--r--hw/i386/pc_q35.c1
-rw-r--r--hw/i386/xen/xen_platform.c4
-rw-r--r--hw/i386/xen/xen_pvdevice.c4
-rw-r--r--hw/ide/ich.c4
-rw-r--r--hw/ide/macio.c4
-rw-r--r--hw/ide/pci.c4
-rw-r--r--hw/intc/armv7m_nvic.c5
-rw-r--r--hw/ipack/tpci200.c4
-rw-r--r--hw/isa/i82378.c4
-rw-r--r--hw/isa/lpc_ich9.c5
-rw-r--r--hw/isa/piix4.c4
-rw-r--r--hw/isa/vt82c686.c16
-rw-r--r--hw/m68k/an5206.c4
-rw-r--r--hw/m68k/mcf5206.c7
-rw-r--r--hw/m68k/mcf5208.c9
-rw-r--r--hw/mips/gt64xxx_pci.c4
-rw-r--r--hw/misc/Makefile.objs1
-rw-r--r--hw/misc/edu.c5
-rw-r--r--hw/misc/ivshmem.c4
-rw-r--r--hw/misc/macio/macio.c4
-rw-r--r--hw/misc/pci-testdev.c4
-rw-r--r--hw/misc/vmcoreinfo.c96
-rw-r--r--hw/net/e1000.c4
-rw-r--r--hw/net/e1000e.c4
-rw-r--r--hw/net/eepro100.c4
-rw-r--r--hw/net/ne2000.c4
-rw-r--r--hw/net/pcnet-pci.c4
-rw-r--r--hw/net/rocker/rocker.c4
-rw-r--r--hw/net/rtl8139.c4
-rw-r--r--hw/net/sungem.c4
-rw-r--r--hw/net/sunhme.c4
-rw-r--r--hw/net/vmxnet3.c5
-rw-r--r--hw/nvram/fw_cfg.c14
-rw-r--r--hw/pci-bridge/dec.c8
-rw-r--r--hw/pci-bridge/gen_pcie_root_port.c7
-rw-r--r--hw/pci-bridge/i82801b11.c4
-rw-r--r--hw/pci-bridge/ioh3420.c4
-rw-r--r--hw/pci-bridge/pci_bridge_dev.c1
-rw-r--r--hw/pci-bridge/pci_expander_bridge.c8
-rw-r--r--hw/pci-bridge/pcie_pci_bridge.c25
-rw-r--r--hw/pci-bridge/pcie_root_port.c4
-rw-r--r--hw/pci-bridge/xio3130_downstream.c5
-rw-r--r--hw/pci-bridge/xio3130_upstream.c4
-rw-r--r--hw/pci-host/apb.c8
-rw-r--r--hw/pci-host/bonito.c4
-rw-r--r--hw/pci-host/gpex.c4
-rw-r--r--hw/pci-host/grackle.c4
-rw-r--r--hw/pci-host/piix.c8
-rw-r--r--hw/pci-host/ppce500.c4
-rw-r--r--hw/pci-host/prep.c4
-rw-r--r--hw/pci-host/q35.c4
-rw-r--r--hw/pci-host/uninorth.c16
-rw-r--r--hw/pci-host/versatile.c4
-rw-r--r--hw/pci-host/xilinx-pcie.c4
-rw-r--r--hw/pci/pci.c24
-rw-r--r--hw/pci/pci_bridge.c3
-rw-r--r--hw/pci/pcie_host.c2
-rw-r--r--hw/ppc/e500.c8
-rw-r--r--hw/ppc/e500plat.c1
-rw-r--r--hw/ppc/mac_newworld.c15
-rw-r--r--hw/ppc/mac_oldworld.c6
-rw-r--r--hw/ppc/mpc8544ds.c2
-rw-r--r--hw/ppc/pnv.c134
-rw-r--r--hw/ppc/pnv_core.c67
-rw-r--r--hw/ppc/ppc.c25
-rw-r--r--hw/ppc/ppc405_uc.c6
-rw-r--r--hw/ppc/ppc440_bamboo.c7
-rw-r--r--hw/ppc/ppc4xx_devs.c4
-rw-r--r--hw/ppc/ppc4xx_pci.c4
-rw-r--r--hw/ppc/prep.c12
-rw-r--r--hw/ppc/spapr.c51
-rw-r--r--hw/ppc/spapr_cpu_core.c196
-rw-r--r--hw/ppc/spapr_hcall.c4
-rw-r--r--hw/ppc/spapr_pci.c12
-rw-r--r--hw/ppc/virtex_ml507.c11
-rw-r--r--hw/scsi/esp-pci.c4
-rw-r--r--hw/scsi/lsi53c895a.c4
-rw-r--r--hw/scsi/megasas.c10
-rw-r--r--hw/scsi/mptsas.c4
-rw-r--r--hw/scsi/vmw_pvscsi.c2
-rw-r--r--hw/sd/sdhci.c4
-rw-r--r--hw/sh4/sh_pci.c4
-rw-r--r--hw/sparc64/sun4u.c4
-rw-r--r--hw/tpm/Makefile.objs1
-rw-r--r--hw/tpm/tpm_emulator.c587
-rw-r--r--hw/tpm/tpm_ioctl.h246
-rw-r--r--hw/tpm/tpm_passthrough.c242
-rw-r--r--hw/tpm/tpm_tis.c14
-rw-r--r--hw/tpm/tpm_util.c35
-rw-r--r--hw/tpm/tpm_util.h4
-rw-r--r--hw/usb/hcd-ehci-pci.c4
-rw-r--r--hw/usb/hcd-ohci.c4
-rw-r--r--hw/usb/hcd-uhci.c4
-rw-r--r--hw/usb/hcd-xhci.c5
-rw-r--r--hw/vfio/pci-quirks.c4
-rw-r--r--hw/vfio/pci.c5
-rw-r--r--hw/virtio/vhost.c5
-rw-r--r--hw/virtio/virtio-pci.c188
-rw-r--r--hw/virtio/virtio-pci.h17
-rw-r--r--hw/virtio/virtio.c6
-rw-r--r--hw/watchdog/wdt_aspeed.c4
-rw-r--r--hw/watchdog/wdt_i6300esb.c4
-rw-r--r--hw/xen/xen_pt.c5
123 files changed, 1790 insertions, 728 deletions
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 23ac7bb532..f8bbac251d 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -3234,7 +3234,7 @@ static void coroutine_fn v9fs_xattrwalk(void *opaque)
         xattr_fidp->fid_type = P9_FID_XATTR;
         xattr_fidp->fs.xattr.xattrwalk_fid = true;
         if (size) {
-            xattr_fidp->fs.xattr.value = g_malloc(size);
+            xattr_fidp->fs.xattr.value = g_malloc0(size);
             err = v9fs_co_llistxattr(pdu, &xattr_fidp->path,
                                      xattr_fidp->fs.xattr.value,
                                      xattr_fidp->fs.xattr.len);
@@ -3267,7 +3267,7 @@ static void coroutine_fn v9fs_xattrwalk(void *opaque)
         xattr_fidp->fid_type = P9_FID_XATTR;
         xattr_fidp->fs.xattr.xattrwalk_fid = true;
         if (size) {
-            xattr_fidp->fs.xattr.value = g_malloc(size);
+            xattr_fidp->fs.xattr.value = g_malloc0(size);
             err = v9fs_co_lgetxattr(pdu, &xattr_fidp->path,
                                     &name, xattr_fidp->fs.xattr.value,
                                     xattr_fidp->fs.xattr.len);
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index f4fd5907b8..a0fb1ce037 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -718,6 +718,7 @@ static const TypeInfo piix4_pm_info = {
     .interfaces = (InterfaceInfo[]) {
         { TYPE_HOTPLUG_HANDLER },
         { TYPE_ACPI_DEVICE_IF },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
         { }
     }
 };
diff --git a/hw/acpi/vmgenid.c b/hw/acpi/vmgenid.c
index 2876d8a639..105044f666 100644
--- a/hw/acpi/vmgenid.c
+++ b/hw/acpi/vmgenid.c
@@ -124,7 +124,7 @@ void vmgenid_add_fw_cfg(VmGenIdState *vms, FWCfgState *s, GArray *guid)
     fw_cfg_add_file(s, VMGENID_GUID_FW_CFG_FILE, guid->data,
                     VMGENID_FW_CFG_SIZE);
     /* Create a read-write fw_cfg file for Address */
-    fw_cfg_add_file_callback(s, VMGENID_ADDR_FW_CFG_FILE, NULL, NULL,
+    fw_cfg_add_file_callback(s, VMGENID_ADDR_FW_CFG_FILE, NULL, NULL, NULL,
                              vms->vmgenid_addr_le,
                              ARRAY_SIZE(vms->vmgenid_addr_le), false);
 }
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index 959c786261..337402e9c6 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -1431,6 +1431,10 @@ static const TypeInfo ac97_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof (AC97LinkState),
     .class_init    = ac97_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void ac97_register_types (void)
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
index dd7c23d185..59cf252754 100644
--- a/hw/audio/es1370.c
+++ b/hw/audio/es1370.c
@@ -1082,6 +1082,10 @@ static const TypeInfo es1370_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof (ES1370State),
     .class_init    = es1370_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void es1370_register_types (void)
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index 18a50a8f83..a3e670c188 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -1263,6 +1263,10 @@ static const TypeInfo intel_hda_info = {
     .instance_size = sizeof(IntelHDAState),
     .class_init    = intel_hda_class_init,
     .abstract      = true,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static const TypeInfo intel_hda_info_ich6 = {
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 9aa32692a3..441e21ed1f 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1110,6 +1110,10 @@ static const TypeInfo nvme_info = {
     .instance_size = sizeof(NvmeCtrl),
     .class_init    = nvme_class_init,
     .instance_init = nvme_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { }
+    },
 };
 
 static void nvme_register_types(void)
diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
index 303104dd19..cb0d04c1d9 100644
--- a/hw/char/serial-pci.c
+++ b/hw/char/serial-pci.c
@@ -250,6 +250,10 @@ static const TypeInfo serial_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCISerialState),
     .class_init    = serial_pci_class_initfn,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static const TypeInfo multi_2x_serial_pci_info = {
@@ -257,6 +261,10 @@ static const TypeInfo multi_2x_serial_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIMultiSerialState),
     .class_init    = multi_2x_serial_pci_class_initfn,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static const TypeInfo multi_4x_serial_pci_info = {
@@ -264,6 +272,10 @@ static const TypeInfo multi_4x_serial_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIMultiSerialState),
     .class_init    = multi_4x_serial_pci_class_initfn,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void serial_pci_register_types(void)
diff --git a/hw/core/loader.c b/hw/core/loader.c
index 4593061445..91669d65aa 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -1023,7 +1023,7 @@ MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len,
         }
 
         fw_cfg_add_file_callback(fw_cfg, fw_file_name,
-                                 fw_callback, callback_opaque,
+                                 fw_callback, NULL, callback_opaque,
                                  data, rom->datasize, read_only);
     }
     return mr;
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index afc290ab91..bc32bf1e39 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2038,15 +2038,14 @@ static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s,
     unsigned val = mem_value;
     uint8_t *dst;
 
-    dst = s->vga.vram_ptr + (offset &= s->cirrus_addr_mask);
     for (x = 0; x < 8; x++) {
+        dst = s->vga.vram_ptr + ((offset + x) & s->cirrus_addr_mask);
 	if (val & 0x80) {
 	    *dst = s->cirrus_shadow_gr1;
 	} else if (mode == 5) {
 	    *dst = s->cirrus_shadow_gr0;
 	}
 	val <<= 1;
-	dst++;
     }
     memory_region_set_dirty(&s->vga.vram, offset, 8);
 }
@@ -2060,8 +2059,8 @@ static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s,
     unsigned val = mem_value;
     uint8_t *dst;
 
-    dst = s->vga.vram_ptr + (offset &= s->cirrus_addr_mask);
     for (x = 0; x < 8; x++) {
+        dst = s->vga.vram_ptr + ((offset + 2 * x) & s->cirrus_addr_mask & ~1);
 	if (val & 0x80) {
 	    *dst = s->cirrus_shadow_gr1;
 	    *(dst + 1) = s->vga.gr[0x11];
@@ -2070,7 +2069,6 @@ static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s,
 	    *(dst + 1) = s->vga.gr[0x10];
 	}
 	val <<= 1;
-	dst += 2;
     }
     memory_region_set_dirty(&s->vga.vram, offset, 16);
 }
@@ -3162,6 +3160,10 @@ static const TypeInfo cirrus_vga_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCICirrusVGAState),
     .class_init    = cirrus_vga_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void cirrus_vga_register_types(void)
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index d92fe05f1a..99365c3e8f 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -2432,6 +2432,10 @@ static const TypeInfo qxl_pci_type_info = {
     .instance_size = sizeof(PCIQXLDevice),
     .abstract = true,
     .class_init = qxl_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void qxl_primary_class_init(ObjectClass *klass, void *data)
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 9aa515b3da..6eddac911e 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -1843,6 +1843,10 @@ static const TypeInfo sm501_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(SM501PCIState),
     .class_init    = sm501_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void sm501_register_types(void)
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index ac9a76499e..7adb89fcb4 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -338,6 +338,10 @@ static const TypeInfo vga_pci_type_info = {
     .instance_size = sizeof(PCIVGAState),
     .abstract = true,
     .class_init = vga_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void vga_class_init(ObjectClass *klass, void *data)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index ed24ef7076..1d19f6bc48 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1464,14 +1464,14 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
 {
     DisplaySurface *surface = qemu_console_surface(s->con);
     int y1, y, update, linesize, y_start, double_scan, mask, depth;
-    int width, height, shift_control, line_offset, bwidth, bits;
-    ram_addr_t page0, page1;
+    int width, height, shift_control, bwidth, bits;
+    ram_addr_t page0, page1, region_start, region_end;
     DirtyBitmapSnapshot *snap = NULL;
     int disp_width, multi_scan, multi_run;
     uint8_t *d;
     uint32_t v, addr1, addr;
     vga_draw_line_func *vga_draw_line = NULL;
-    bool share_surface;
+    bool share_surface, force_shadow = false;
     pixman_format_code_t format;
 #ifdef HOST_WORDS_BIGENDIAN
     bool byteswap = !s->big_endian_fb;
@@ -1484,6 +1484,15 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
     s->get_resolution(s, &width, &height);
     disp_width = width;
 
+    region_start = (s->start_addr * 4);
+    region_end = region_start + (ram_addr_t)s->line_offset * height;
+    if (region_end > s->vbe_size) {
+        /* wraps around (can happen with cirrus vbe modes) */
+        region_start = 0;
+        region_end = s->vbe_size;
+        force_shadow = true;
+    }
+
     shift_control = (s->gr[VGA_GFX_MODE] >> 5) & 3;
     double_scan = (s->cr[VGA_CRTC_MAX_SCAN] >> 7);
     if (shift_control != 1) {
@@ -1523,7 +1532,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
     format = qemu_default_pixman_format(depth, !byteswap);
     if (format) {
         share_surface = dpy_gfx_check_format(s->con, format)
-            && !s->force_shadow;
+            && !s->force_shadow && !force_shadow;
     } else {
         share_surface = false;
     }
@@ -1614,7 +1623,6 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
         s->cursor_invalidate(s);
     }
 
-    line_offset = s->line_offset;
 #if 0
     printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n",
            width, height, v, line_offset, s->cr[9], s->cr[VGA_CRTC_MODE],
@@ -1628,8 +1636,6 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
     y1 = 0;
 
     if (!full_update) {
-        ram_addr_t region_start = addr1;
-        ram_addr_t region_end = addr1 + line_offset * height;
         vga_sync_dirty_bitmap(s);
         if (s->line_compare < height) {
             /* split screen mode */
@@ -1652,10 +1658,17 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
             addr = (addr & ~0x8000) | ((y1 & 2) << 14);
         }
         update = full_update;
-        page0 = addr;
-        page1 = addr + bwidth - 1;
+        page0 = addr & s->vbe_size_mask;
+        page1 = (addr + bwidth - 1) & s->vbe_size_mask;
         if (full_update) {
             update = 1;
+        } else if (page1 < page0) {
+            /* scanline wraps from end of video memory to the start */
+            assert(force_shadow);
+            update = memory_region_snapshot_get_dirty(&s->vram, snap,
+                                                      page0, 0);
+            update |= memory_region_snapshot_get_dirty(&s->vram, snap,
+                                                       page1, 0);
         } else {
             update = memory_region_snapshot_get_dirty(&s->vram, snap,
                                                       page0, page1 - page0);
@@ -1681,7 +1694,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
         if (!multi_run) {
             mask = (s->cr[VGA_CRTC_MODE] & 3) ^ 3;
             if ((y1 & mask) == mask)
-                addr1 += line_offset;
+                addr1 += s->line_offset;
             y1++;
             multi_run = multi_scan;
         } else {
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
index 4a64b41259..cdc3fed6ca 100644
--- a/hw/display/vmware_vga.c
+++ b/hw/display/vmware_vga.c
@@ -1350,6 +1350,10 @@ static const TypeInfo vmsvga_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(struct pci_vmsvga_state_s),
     .class_init    = vmsvga_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void vmsvga_register_types(void)
diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c
index ea51e09186..e47556c9d8 100644
--- a/hw/i2c/smbus_ich9.c
+++ b/hw/i2c/smbus_ich9.c
@@ -119,6 +119,10 @@ static const TypeInfo ich9_smb_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(ICH9SMBState),
     .class_init = ich9_smb_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void ich9_smb_register(void)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 2af37a9129..73519ab3ac 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2911,7 +2911,7 @@ void acpi_setup(void)
 
         build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size);
         fw_cfg_add_file_callback(pcms->fw_cfg, ACPI_BUILD_RSDP_FILE,
-                                 acpi_build_update, build_state,
+                                 acpi_build_update, NULL, build_state,
                                  build_state->rsdp, rsdp_size, true);
         build_state->rsdp_mr = NULL;
     } else {
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 334938a280..ad8155ca4c 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -1227,6 +1227,10 @@ static const TypeInfo amdviPCI = {
     .name = "AMDVI-PCI",
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(AMDVIPCIState),
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void amdvi_iommu_memory_region_class_init(ObjectClass *klass, void *data)
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index 33e20cb3e8..d8559d8342 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -1864,6 +1864,10 @@ static const TypeInfo assign_info = {
     .instance_size      = sizeof(AssignedDevice),
     .class_init         = assign_class_init,
     .instance_init      = assigned_dev_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void assign_register_types(void)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 9ff79b1fd9..f79d5cb694 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -378,8 +378,6 @@ static void pc_compat_0_13(MachineState *machine)
 
 static void pc_init_isa(MachineState *machine)
 {
-    x86_cpu_change_kvm_default("kvm-pv-eoi", NULL);
-    enable_compat_apic_id_mode();
     pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE);
 }
 
@@ -428,7 +426,6 @@ static void pc_i440fx_machine_options(MachineClass *m)
 {
     m->family = "pc_piix";
     m->desc = "Standard PC (i440FX + PIIX, 1996)";
-    m->hot_add_cpu = pc_hot_add_cpu;
     m->default_machine_opts = "firmware=bios-256k.bin";
     m->default_display = "std";
 }
@@ -1055,6 +1052,10 @@ static TypeInfo isa_bridge_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init = isa_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pt_graphics_register_types(void)
@@ -1123,7 +1124,6 @@ static void xenfv_machine_options(MachineClass *m)
     m->desc = "Xen Fully-virtualized PC";
     m->max_cpus = HVM_MAX_VCPUS;
     m->default_machine_opts = "accel=xen";
-    m->hot_add_cpu = pc_hot_add_cpu;
 }
 
 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 6c4ec4be4e..da3ea602e1 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -295,7 +295,6 @@ static void pc_q35_machine_options(MachineClass *m)
 {
     m->family = "pc_q35";
     m->desc = "Standard PC (Q35 + ICH9, 2009)";
-    m->hot_add_cpu = pc_hot_add_cpu;
     m->units_per_default_bus = 1;
     m->default_machine_opts = "firmware=bios-256k.bin";
     m->default_display = "std";
diff --git a/hw/i386/xen/xen_platform.c b/hw/i386/xen/xen_platform.c
index 9ba7474566..056b87de0b 100644
--- a/hw/i386/xen/xen_platform.c
+++ b/hw/i386/xen/xen_platform.c
@@ -517,6 +517,10 @@ static const TypeInfo xen_platform_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIXenPlatformState),
     .class_init    = xen_platform_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void xen_platform_register_types(void)
diff --git a/hw/i386/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c
index c093b34458..f748823658 100644
--- a/hw/i386/xen/xen_pvdevice.c
+++ b/hw/i386/xen/xen_pvdevice.c
@@ -127,6 +127,10 @@ static const TypeInfo xen_pv_type_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(XenPVDevice),
     .class_init    = xen_pv_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void xen_pv_register_types(void)
diff --git a/hw/ide/ich.c b/hw/ide/ich.c
index 9472a60cab..8dd0ced6b3 100644
--- a/hw/ide/ich.c
+++ b/hw/ide/ich.c
@@ -184,6 +184,10 @@ static const TypeInfo ich_ahci_info = {
     .instance_size = sizeof(AHCIPCIState),
     .instance_init = pci_ich9_ahci_init,
     .class_init    = ich_ahci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void ich_ahci_register_types(void)
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index ce194c6cec..2e043ef1ea 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -353,12 +353,14 @@ static const MemoryRegionOps pmac_ide_ops = {
 
 static const VMStateDescription vmstate_pmac = {
     .name = "ide",
-    .version_id = 4,
+    .version_id = 5,
     .minimum_version_id = 0,
     .fields = (VMStateField[]) {
         VMSTATE_IDE_BUS(bus, MACIOIDEState),
         VMSTATE_IDE_DRIVES(bus.ifs, MACIOIDEState),
         VMSTATE_BOOL(dma_active, MACIOIDEState),
+        VMSTATE_UINT32(timing_reg, MACIOIDEState),
+        VMSTATE_UINT32(irq_reg, MACIOIDEState),
         VMSTATE_END_OF_LIST()
     }
 };
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index d53ff5341c..25f1d36f3a 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -453,6 +453,10 @@ static const TypeInfo pci_ide_type_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIIDEState),
     .abstract = true,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pci_ide_register_types(void)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 22d5e6e6af..be46639b63 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -698,7 +698,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
         return ((s->num_irq - NVIC_FIRST_IRQ) / 32) - 1;
     case 0x380 ... 0x3bf: /* NVIC_ITNS<n> */
     {
-        int startvec = 32 * (offset - 0x380) + NVIC_FIRST_IRQ;
+        int startvec = 8 * (offset - 0x380) + NVIC_FIRST_IRQ;
         int i;
 
         if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) {
@@ -1102,7 +1102,7 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
     switch (offset) {
     case 0x380 ... 0x3bf: /* NVIC_ITNS<n> */
     {
-        int startvec = 32 * (offset - 0x380) + NVIC_FIRST_IRQ;
+        int startvec = 8 * (offset - 0x380) + NVIC_FIRST_IRQ;
         int i;
 
         if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) {
@@ -1447,6 +1447,7 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
             return;
         }
         cpu->env.sau.ctrl = value & 3;
+        break;
     case 0xdd4: /* SAU_TYPE */
         if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) {
             goto bad_offset;
diff --git a/hw/ipack/tpci200.c b/hw/ipack/tpci200.c
index 4dfa6b33f3..da05c8589d 100644
--- a/hw/ipack/tpci200.c
+++ b/hw/ipack/tpci200.c
@@ -646,6 +646,10 @@ static const TypeInfo tpci200_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(TPCI200State),
     .class_init    = tpci200_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void tpci200_register_types(void)
diff --git a/hw/isa/i82378.c b/hw/isa/i82378.c
index 4d29a9900c..d20ea4c2ee 100644
--- a/hw/isa/i82378.c
+++ b/hw/isa/i82378.c
@@ -138,6 +138,10 @@ static const TypeInfo i82378_type_info = {
     .instance_size = sizeof(I82378State),
     .instance_init = i82378_init,
     .class_init = i82378_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void i82378_register_types(void)
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index ac8416d42b..ec3c9f7d0b 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -402,12 +402,12 @@ void ich9_lpc_pm_init(PCIDevice *lpc_pci, bool smm_enabled)
          * just link them into fw_cfg here.
          */
         fw_cfg_add_file_callback(fw_cfg, "etc/smi/requested-features",
-                                 NULL, NULL,
+                                 NULL, NULL, NULL,
                                  lpc->smi_guest_features_le,
                                  sizeof lpc->smi_guest_features_le,
                                  false);
         fw_cfg_add_file_callback(fw_cfg, "etc/smi/features-ok",
-                                 smi_features_ok_callback, lpc,
+                                 smi_features_ok_callback, NULL, lpc,
                                  &lpc->smi_features_ok,
                                  sizeof lpc->smi_features_ok,
                                  true);
@@ -823,6 +823,7 @@ static const TypeInfo ich9_lpc_info = {
     .interfaces = (InterfaceInfo[]) {
         { TYPE_HOTPLUG_HANDLER },
         { TYPE_ACPI_DEVICE_IF },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
         { }
     }
 };
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index f811eba59d..6b8bc3faf0 100644
--- a/hw/isa/piix4.c
+++ b/hw/isa/piix4.c
@@ -132,6 +132,10 @@ static const TypeInfo piix4_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PIIX4State),
     .class_init    = piix4_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void piix4_register_types(void)
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 50dc83df77..c129985e2a 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -301,6 +301,10 @@ static const TypeInfo via_ac97_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(VT686AC97State),
     .class_init    = via_ac97_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void vt82c686b_mc97_realize(PCIDevice *dev, Error **errp)
@@ -341,6 +345,10 @@ static const TypeInfo via_mc97_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(VT686MC97State),
     .class_init    = via_mc97_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 /* vt82c686 pm init */
@@ -419,6 +427,10 @@ static const TypeInfo via_pm_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(VT686PMState),
     .class_init    = via_pm_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static const VMStateDescription vmstate_via = {
@@ -502,6 +514,10 @@ static const TypeInfo via_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(VT82C686BState),
     .class_init    = via_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void vt82c686b_register_types(void)
diff --git a/hw/m68k/an5206.c b/hw/m68k/an5206.c
index 9002c460e5..db634cbe89 100644
--- a/hw/m68k/an5206.c
+++ b/hw/m68k/an5206.c
@@ -66,7 +66,7 @@ static void an5206_init(MachineState *machine)
         if (qtest_enabled()) {
             return;
         }
-        fprintf(stderr, "Kernel image must be specified\n");
+        error_report("Kernel image must be specified");
         exit(1);
     }
 
@@ -83,7 +83,7 @@ static void an5206_init(MachineState *machine)
         entry = KERNEL_LOAD_ADDR;
     }
     if (kernel_size < 0) {
-        fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
+        error_report("Could not load kernel '%s'", kernel_filename);
         exit(1);
     }
 
diff --git a/hw/m68k/mcf5206.c b/hw/m68k/mcf5206.c
index b81901fdfd..bd8e993c58 100644
--- a/hw/m68k/mcf5206.c
+++ b/hw/m68k/mcf5206.c
@@ -6,6 +6,7 @@
  * This code is licensed under the GPL
  */
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qemu-common.h"
 #include "cpu.h"
 #include "hw/hw.h"
@@ -137,7 +138,7 @@ static m5206_timer_state *m5206_timer_init(qemu_irq irq)
     m5206_timer_state *s;
     QEMUBH *bh;
 
-    s = (m5206_timer_state *)g_malloc0(sizeof(m5206_timer_state));
+    s = g_new0(m5206_timer_state, 1);
     bh = qemu_bh_new(m5206_timer_trigger, s);
     s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT);
     s->irq = irq;
@@ -220,7 +221,7 @@ static void m5206_mbar_update(m5206_mbar_state *s)
                 break;
             default:
                 /* Unknown vector.  */
-                fprintf(stderr, "Unhandled vector for IRQ %d\n", irq);
+                error_report("Unhandled vector for IRQ %d", irq);
                 vector = 0xf;
                 break;
             }
@@ -533,7 +534,7 @@ qemu_irq *mcf5206_init(MemoryRegion *sysmem, uint32_t base, M68kCPU *cpu)
     m5206_mbar_state *s;
     qemu_irq *pic;
 
-    s = (m5206_mbar_state *)g_malloc0(sizeof(m5206_mbar_state));
+    s = g_new0(m5206_mbar_state, 1);
 
     memory_region_init_io(&s->iomem, NULL, &m5206_mbar_ops, s,
                           "mbar", 0x00001000);
diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
index b9dde75106..68589c36d2 100644
--- a/hw/m68k/mcf5208.c
+++ b/hw/m68k/mcf5208.c
@@ -6,6 +6,7 @@
  * This code is licensed under the GPL
  */
 #include "qemu/osdep.h"
+#include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
 #include "cpu.h"
@@ -183,7 +184,7 @@ static void mcf5208_sys_init(MemoryRegion *address_space, qemu_irq *pic)
     memory_region_add_subregion(address_space, 0xfc0a8000, iomem);
     /* Timers.  */
     for (i = 0; i < 2; i++) {
-        s = (m5208_timer_state *)g_malloc0(sizeof(m5208_timer_state));
+        s = g_new0(m5208_timer_state, 1);
         bh = qemu_bh_new(m5208_timer_trigger, s);
         s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT);
         memory_region_init_io(&s->iomem, NULL, &m5208_timer_ops, s,
@@ -257,7 +258,7 @@ static void mcf5208evb_init(MachineState *machine)
     mcf5208_sys_init(address_space_mem, pic);
 
     if (nb_nics > 1) {
-        fprintf(stderr, "Too many NICs\n");
+        error_report("Too many NICs");
         exit(1);
     }
     if (nd_table[0].used) {
@@ -292,7 +293,7 @@ static void mcf5208evb_init(MachineState *machine)
         if (qtest_enabled()) {
             return;
         }
-        fprintf(stderr, "Kernel image must be specified\n");
+        error_report("Kernel image must be specified");
         exit(1);
     }
 
@@ -309,7 +310,7 @@ static void mcf5208evb_init(MachineState *machine)
         entry = 0x40000000;
     }
     if (kernel_size < 0) {
-        fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
+        error_report("Could not load kernel '%s'", kernel_filename);
         exit(1);
     }
 
diff --git a/hw/mips/gt64xxx_pci.c b/hw/mips/gt64xxx_pci.c
index e8b2eef688..5a9dad9aae 100644
--- a/hw/mips/gt64xxx_pci.c
+++ b/hw/mips/gt64xxx_pci.c
@@ -1232,6 +1232,10 @@ static const TypeInfo gt64120_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init    = gt64120_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void gt64120_class_init(ObjectClass *klass, void *data)
diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs
index e8f0a02f35..19202d90cf 100644
--- a/hw/misc/Makefile.objs
+++ b/hw/misc/Makefile.objs
@@ -9,6 +9,7 @@ common-obj-$(CONFIG_PCI_TESTDEV) += pci-testdev.o
 common-obj-$(CONFIG_EDU) += edu.o
 
 common-obj-y += unimp.o
+common-obj-y += vmcoreinfo.o
 
 obj-$(CONFIG_VMPORT) += vmport.o
 
diff --git a/hw/misc/edu.c b/hw/misc/edu.c
index 01acacf142..34eb05d213 100644
--- a/hw/misc/edu.c
+++ b/hw/misc/edu.c
@@ -408,12 +408,17 @@ static void edu_class_init(ObjectClass *class, void *data)
 
 static void pci_edu_register_types(void)
 {
+    static InterfaceInfo interfaces[] = {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    };
     static const TypeInfo edu_info = {
         .name          = "edu",
         .parent        = TYPE_PCI_DEVICE,
         .instance_size = sizeof(EduState),
         .instance_init = edu_instance_init,
         .class_init    = edu_class_init,
+        .interfaces = interfaces,
     };
 
     type_register_static(&edu_info);
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index b3ef3ec1e3..a5a46827fe 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -1010,6 +1010,10 @@ static const TypeInfo ivshmem_common_info = {
     .instance_size = sizeof(IVShmemState),
     .abstract      = true,
     .class_init    = ivshmem_common_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static const VMStateDescription ivshmem_plain_vmsd = {
diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
index 9aa7e7559b..44f91d1e7f 100644
--- a/hw/misc/macio/macio.c
+++ b/hw/misc/macio/macio.c
@@ -426,6 +426,10 @@ static const TypeInfo macio_type_info = {
     .instance_init = macio_instance_init,
     .abstract      = true,
     .class_init    = macio_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void macio_register_types(void)
diff --git a/hw/misc/pci-testdev.c b/hw/misc/pci-testdev.c
index 7d5990213e..32041f535f 100644
--- a/hw/misc/pci-testdev.c
+++ b/hw/misc/pci-testdev.c
@@ -326,6 +326,10 @@ static const TypeInfo pci_testdev_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCITestDevState),
     .class_init    = pci_testdev_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pci_testdev_register_types(void)
diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c
new file mode 100644
index 0000000000..a618e12677
--- /dev/null
+++ b/hw/misc/vmcoreinfo.c
@@ -0,0 +1,96 @@
+/*
+ * Virtual Machine coreinfo device
+ *
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * Authors: Marc-André Lureau <marcandre.lureau@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "hw/nvram/fw_cfg.h"
+#include "hw/misc/vmcoreinfo.h"
+
+static void fw_cfg_vmci_write(void *dev, off_t offset, size_t len)
+{
+    VMCoreInfoState *s = VMCOREINFO(dev);
+
+    s->has_vmcoreinfo = offset == 0 && len == sizeof(s->vmcoreinfo)
+        && s->vmcoreinfo.guest_format != VMCOREINFO_FORMAT_NONE;
+}
+
+static void vmcoreinfo_reset(void *dev)
+{
+    VMCoreInfoState *s = VMCOREINFO(dev);
+
+    s->has_vmcoreinfo = false;
+    memset(&s->vmcoreinfo, 0, sizeof(s->vmcoreinfo));
+    s->vmcoreinfo.host_format = cpu_to_le16(VMCOREINFO_FORMAT_ELF);
+}
+
+static void vmcoreinfo_realize(DeviceState *dev, Error **errp)
+{
+    VMCoreInfoState *s = VMCOREINFO(dev);
+    FWCfgState *fw_cfg = fw_cfg_find();
+
+    /* Given that this function is executing, there is at least one VMCOREINFO
+     * device. Check if there are several.
+     */
+    if (!vmcoreinfo_find()) {
+        error_setg(errp, "at most one %s device is permitted",
+                   VMCOREINFO_DEVICE);
+        return;
+    }
+
+    if (!fw_cfg || !fw_cfg->dma_enabled) {
+        error_setg(errp, "%s device requires fw_cfg with DMA",
+                   VMCOREINFO_DEVICE);
+        return;
+    }
+
+    fw_cfg_add_file_callback(fw_cfg, "etc/vmcoreinfo",
+                             NULL, fw_cfg_vmci_write, s,
+                             &s->vmcoreinfo, sizeof(s->vmcoreinfo), false);
+
+    qemu_register_reset(vmcoreinfo_reset, dev);
+}
+
+static const VMStateDescription vmstate_vmcoreinfo = {
+    .name = "vmcoreinfo",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_BOOL(has_vmcoreinfo, VMCoreInfoState),
+        VMSTATE_UINT16(vmcoreinfo.host_format, VMCoreInfoState),
+        VMSTATE_UINT16(vmcoreinfo.guest_format, VMCoreInfoState),
+        VMSTATE_UINT32(vmcoreinfo.size, VMCoreInfoState),
+        VMSTATE_UINT64(vmcoreinfo.paddr, VMCoreInfoState),
+        VMSTATE_END_OF_LIST()
+    },
+};
+
+static void vmcoreinfo_device_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->vmsd = &vmstate_vmcoreinfo;
+    dc->realize = vmcoreinfo_realize;
+    dc->hotpluggable = false;
+}
+
+static const TypeInfo vmcoreinfo_device_info = {
+    .name          = VMCOREINFO_DEVICE,
+    .parent        = TYPE_DEVICE,
+    .instance_size = sizeof(VMCoreInfoState),
+    .class_init    = vmcoreinfo_device_class_init,
+};
+
+static void vmcoreinfo_register_types(void)
+{
+    type_register_static(&vmcoreinfo_device_info);
+}
+
+type_init(vmcoreinfo_register_types)
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index cae95185a5..c0abee4f7e 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -1687,6 +1687,10 @@ static const TypeInfo e1000_base_info = {
     .instance_init = e1000_instance_init,
     .class_size    = sizeof(E1000BaseClass),
     .abstract      = true,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static const E1000Info e1000_devices[] = {
diff --git a/hw/net/e1000e.c b/hw/net/e1000e.c
index 744f0f3b91..f1af279e8d 100644
--- a/hw/net/e1000e.c
+++ b/hw/net/e1000e.c
@@ -710,6 +710,10 @@ static const TypeInfo e1000e_info = {
     .instance_size = sizeof(E1000EState),
     .class_init = e1000e_class_init,
     .instance_init = e1000e_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { }
+    },
 };
 
 static void e1000e_register_types(void)
diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index a7b9f77519..80b8f47c4b 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -2116,6 +2116,10 @@ static void eepro100_register_types(void)
         type_info.class_init = eepro100_class_init;
         type_info.instance_size = sizeof(EEPRO100State);
         type_info.instance_init = eepro100_instance_init;
+        type_info.interfaces = (InterfaceInfo[]) {
+            { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+            { },
+        };
 
         type_register(&type_info);
     }
diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c
index 798d681e25..3938e6ddd8 100644
--- a/hw/net/ne2000.c
+++ b/hw/net/ne2000.c
@@ -786,6 +786,10 @@ static const TypeInfo ne2000_info = {
     .instance_size = sizeof(PCINE2000State),
     .class_init    = ne2000_class_init,
     .instance_init = ne2000_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void ne2000_register_types(void)
diff --git a/hw/net/pcnet-pci.c b/hw/net/pcnet-pci.c
index 0acf8a4879..0ae5ca4701 100644
--- a/hw/net/pcnet-pci.c
+++ b/hw/net/pcnet-pci.c
@@ -365,6 +365,10 @@ static const TypeInfo pcnet_info = {
     .instance_size = sizeof(PCIPCNetState),
     .class_init    = pcnet_class_init,
     .instance_init = pcnet_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pci_pcnet_register_types(void)
diff --git a/hw/net/rocker/rocker.c b/hw/net/rocker/rocker.c
index 9273473d59..823a29df03 100644
--- a/hw/net/rocker/rocker.c
+++ b/hw/net/rocker/rocker.c
@@ -1525,6 +1525,10 @@ static const TypeInfo rocker_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(Rocker),
     .class_init    = rocker_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void rocker_register_types(void)
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index d6c8188ae1..a6b2a9f7a4 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -3444,6 +3444,10 @@ static const TypeInfo rtl8139_info = {
     .instance_size = sizeof(RTL8139State),
     .class_init    = rtl8139_class_init,
     .instance_init = rtl8139_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void rtl8139_register_types(void)
diff --git a/hw/net/sungem.c b/hw/net/sungem.c
index dffa0c90f3..6aa8d1117b 100644
--- a/hw/net/sungem.c
+++ b/hw/net/sungem.c
@@ -1437,6 +1437,10 @@ static const TypeInfo sungem_info = {
     .instance_size = sizeof(SunGEMState),
     .class_init    = sungem_class_init,
     .instance_init = sungem_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { }
+    }
 };
 
 static void sungem_register_types(void)
diff --git a/hw/net/sunhme.c b/hw/net/sunhme.c
index 60277adcf1..b1efa1b88d 100644
--- a/hw/net/sunhme.c
+++ b/hw/net/sunhme.c
@@ -968,6 +968,10 @@ static const TypeInfo sunhme_info = {
     .class_init    = sunhme_class_init,
     .instance_size = sizeof(SunHMEState),
     .instance_init = sunhme_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { }
+    }
 };
 
 static void sunhme_register_types(void)
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index b43b58be2b..8c4bae5394 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -2653,6 +2653,11 @@ static const TypeInfo vmxnet3_info = {
     .instance_size = sizeof(VMXNET3State),
     .class_init    = vmxnet3_class_init,
     .instance_init = vmxnet3_instance_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { }
+    },
 };
 
 static void vmxnet3_register_types(void)
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index e3bd626b8c..753ac0e4ea 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -56,6 +56,7 @@ struct FWCfgEntry {
     uint8_t *data;
     void *callback_opaque;
     FWCfgCallback select_cb;
+    FWCfgWriteCallback write_cb;
 };
 
 #define JPG_FILE 0
@@ -370,6 +371,8 @@ static void fw_cfg_dma_transfer(FWCfgState *s)
                     dma_memory_read(s->dma_as, dma.address,
                                     &e->data[s->cur_offset], len)) {
                     dma.control |= FW_CFG_DMA_CTL_ERROR;
+                } else if (e->write_cb) {
+                    e->write_cb(e->callback_opaque, s->cur_offset, len);
                 }
             }
 
@@ -570,6 +573,7 @@ static const VMStateDescription vmstate_fw_cfg = {
 
 static void fw_cfg_add_bytes_callback(FWCfgState *s, uint16_t key,
                                       FWCfgCallback select_cb,
+                                      FWCfgWriteCallback write_cb,
                                       void *callback_opaque,
                                       void *data, size_t len,
                                       bool read_only)
@@ -584,6 +588,7 @@ static void fw_cfg_add_bytes_callback(FWCfgState *s, uint16_t key,
     s->entries[arch][key].data = data;
     s->entries[arch][key].len = (uint32_t)len;
     s->entries[arch][key].select_cb = select_cb;
+    s->entries[arch][key].write_cb = write_cb;
     s->entries[arch][key].callback_opaque = callback_opaque;
     s->entries[arch][key].allow_write = !read_only;
 }
@@ -610,7 +615,7 @@ static void *fw_cfg_modify_bytes_read(FWCfgState *s, uint16_t key,
 
 void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len)
 {
-    fw_cfg_add_bytes_callback(s, key, NULL, NULL, data, len, true);
+    fw_cfg_add_bytes_callback(s, key, NULL, NULL, NULL, data, len, true);
 }
 
 void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value)
@@ -737,6 +742,7 @@ static int get_fw_cfg_order(FWCfgState *s, const char *name)
 
 void fw_cfg_add_file_callback(FWCfgState *s,  const char *filename,
                               FWCfgCallback select_cb,
+                              FWCfgWriteCallback write_cb,
                               void *callback_opaque,
                               void *data, size_t len, bool read_only)
 {
@@ -800,7 +806,7 @@ void fw_cfg_add_file_callback(FWCfgState *s,  const char *filename,
     }
 
     fw_cfg_add_bytes_callback(s, FW_CFG_FILE_FIRST + index,
-                              select_cb,
+                              select_cb, write_cb,
                               callback_opaque, data, len,
                               read_only);
 
@@ -815,7 +821,7 @@ void fw_cfg_add_file_callback(FWCfgState *s,  const char *filename,
 void fw_cfg_add_file(FWCfgState *s,  const char *filename,
                      void *data, size_t len)
 {
-    fw_cfg_add_file_callback(s, filename, NULL, NULL, data, len, true);
+    fw_cfg_add_file_callback(s, filename, NULL, NULL, NULL, data, len, true);
 }
 
 void *fw_cfg_modify_file(FWCfgState *s, const char *filename,
@@ -838,7 +844,7 @@ void *fw_cfg_modify_file(FWCfgState *s, const char *filename,
         }
     }
     /* add new one */
-    fw_cfg_add_file_callback(s, filename, NULL, NULL, data, len, true);
+    fw_cfg_add_file_callback(s, filename, NULL, NULL, NULL, data, len, true);
     return NULL;
 }
 
diff --git a/hw/pci-bridge/dec.c b/hw/pci-bridge/dec.c
index eb275e1a25..84492d5e5f 100644
--- a/hw/pci-bridge/dec.c
+++ b/hw/pci-bridge/dec.c
@@ -79,6 +79,10 @@ static const TypeInfo dec_21154_pci_bridge_info = {
     .parent        = TYPE_PCI_BRIDGE,
     .instance_size = sizeof(PCIBridge),
     .class_init    = dec_21154_pci_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn)
@@ -138,6 +142,10 @@ static const TypeInfo dec_21154_pci_host_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init    = dec_21154_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-bridge/gen_pcie_root_port.c b/hw/pci-bridge/gen_pcie_root_port.c
index ed03ffc764..ad4e6aa7ff 100644
--- a/hw/pci-bridge/gen_pcie_root_port.c
+++ b/hw/pci-bridge/gen_pcie_root_port.c
@@ -85,6 +85,13 @@ static void gen_rp_realize(DeviceState *dev, Error **errp)
         rpc->parent_class.exit(d);
         return;
     }
+
+    if (!grp->io_reserve) {
+        pci_word_test_and_clear_mask(d->wmask + PCI_COMMAND,
+                                     PCI_COMMAND_IO);
+        d->wmask[PCI_IO_BASE] = 0;
+        d->wmask[PCI_IO_LIMIT] = 0;
+    }
 }
 
 static const VMStateDescription vmstate_rp_dev = {
diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c
index 2c1b747b4b..cb522bf30c 100644
--- a/hw/pci-bridge/i82801b11.c
+++ b/hw/pci-bridge/i82801b11.c
@@ -106,6 +106,10 @@ static const TypeInfo i82801b11_bridge_info = {
     .parent        = TYPE_PCI_BRIDGE,
     .instance_size = sizeof(I82801b11Bridge),
     .class_init    = i82801b11_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void d2pbr_register(void)
diff --git a/hw/pci-bridge/ioh3420.c b/hw/pci-bridge/ioh3420.c
index da4e5bdf04..5f56a2feb6 100644
--- a/hw/pci-bridge/ioh3420.c
+++ b/hw/pci-bridge/ioh3420.c
@@ -64,15 +64,13 @@ static uint8_t ioh3420_aer_vector(const PCIDevice *d)
 static int ioh3420_interrupts_init(PCIDevice *d, Error **errp)
 {
     int rc;
-    Error *local_err = NULL;
 
     rc = msi_init(d, IOH_EP_MSI_OFFSET, IOH_EP_MSI_NR_VECTOR,
                   IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT,
                   IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT,
-                  &local_err);
+                  errp);
     if (rc < 0) {
         assert(rc == -ENOTSUP);
-        error_propagate(errp, local_err);
     }
 
     return rc;
diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
index 4373f1d3e2..d56f6638c2 100644
--- a/hw/pci-bridge/pci_bridge_dev.c
+++ b/hw/pci-bridge/pci_bridge_dev.c
@@ -238,6 +238,7 @@ static const TypeInfo pci_bridge_dev_info = {
     .instance_finalize = pci_bridge_dev_instance_finalize,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_HOTPLUG_HANDLER },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
         { }
     }
 };
diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
index ff59abf208..8c8ac737ad 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -316,6 +316,10 @@ static const TypeInfo pxb_dev_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PXBDev),
     .class_init    = pxb_dev_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pxb_pcie_dev_realize(PCIDevice *dev, Error **errp)
@@ -350,6 +354,10 @@ static const TypeInfo pxb_pcie_dev_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PXBDev),
     .class_init    = pxb_pcie_dev_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pxb_register_types(void)
diff --git a/hw/pci-bridge/pcie_pci_bridge.c b/hw/pci-bridge/pcie_pci_bridge.c
index 9aa5cc3e45..a4d827c99d 100644
--- a/hw/pci-bridge/pcie_pci_bridge.c
+++ b/hw/pci-bridge/pcie_pci_bridge.c
@@ -65,10 +65,18 @@ static void pcie_pci_bridge_realize(PCIDevice *d, Error **errp)
         goto aer_error;
     }
 
+    Error *local_err = NULL;
     if (pcie_br->msi != ON_OFF_AUTO_OFF) {
-        rc = msi_init(d, 0, 1, true, true, errp);
+        rc = msi_init(d, 0, 1, true, true, &local_err);
         if (rc < 0) {
-            goto msi_error;
+            assert(rc == -ENOTSUP);
+            if (pcie_br->msi != ON_OFF_AUTO_ON) {
+                error_free(local_err);
+            } else {
+                /* failed to satisfy user's explicit request for MSI */
+                error_propagate(errp, local_err);
+                goto msi_error;
+            }
         }
     }
     pci_register_bar(d, 0, PCI_BASE_ADDRESS_SPACE_MEMORY |
@@ -81,7 +89,7 @@ aer_error:
 pm_error:
     pcie_cap_exit(d);
 cap_error:
-    shpc_free(d);
+    shpc_cleanup(d, &pcie_br->shpc_bar);
 error:
     pci_bridge_exitfn(d);
 }
@@ -98,7 +106,9 @@ static void pcie_pci_bridge_reset(DeviceState *qdev)
 {
     PCIDevice *d = PCI_DEVICE(qdev);
     pci_bridge_reset(qdev);
-    msi_reset(d);
+    if (msi_present(d)) {
+        msi_reset(d);
+    }
     shpc_reset(d);
 }
 
@@ -106,12 +116,14 @@ static void pcie_pci_bridge_write_config(PCIDevice *d,
         uint32_t address, uint32_t val, int len)
 {
     pci_bridge_write_config(d, address, val, len);
-    msi_write_config(d, address, val, len);
+    if (msi_present(d)) {
+        msi_write_config(d, address, val, len);
+    }
     shpc_cap_write_config(d, address, val, len);
 }
 
 static Property pcie_pci_bridge_dev_properties[] = {
-        DEFINE_PROP_ON_OFF_AUTO("msi", PCIEPCIBridge, msi, ON_OFF_AUTO_ON),
+        DEFINE_PROP_ON_OFF_AUTO("msi", PCIEPCIBridge, msi, ON_OFF_AUTO_AUTO),
         DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -180,6 +192,7 @@ static const TypeInfo pcie_pci_bridge_info = {
         .class_init = pcie_pci_bridge_class_init,
         .interfaces = (InterfaceInfo[]) {
             { TYPE_HOTPLUG_HANDLER },
+            { INTERFACE_PCIE_DEVICE },
             { },
         }
 };
diff --git a/hw/pci-bridge/pcie_root_port.c b/hw/pci-bridge/pcie_root_port.c
index 4d588cb22e..9b6e4ce512 100644
--- a/hw/pci-bridge/pcie_root_port.c
+++ b/hw/pci-bridge/pcie_root_port.c
@@ -161,6 +161,10 @@ static const TypeInfo rp_info = {
     .class_init    = rp_class_init,
     .abstract      = true,
     .class_size = sizeof(PCIERootPortClass),
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { }
+    },
 };
 
 static void rp_register_types(void)
diff --git a/hw/pci-bridge/xio3130_downstream.c b/hw/pci-bridge/xio3130_downstream.c
index e706f36cb7..1e09d2afb7 100644
--- a/hw/pci-bridge/xio3130_downstream.c
+++ b/hw/pci-bridge/xio3130_downstream.c
@@ -94,6 +94,7 @@ static void xio3130_downstream_realize(PCIDevice *d, Error **errp)
     pcie_chassis_create(s->chassis);
     rc = pcie_chassis_add_slot(s);
     if (rc < 0) {
+        error_setg(errp, "Can't add chassis slot, error %d", rc);
         goto err_pcie_cap;
     }
 
@@ -195,6 +196,10 @@ static const TypeInfo xio3130_downstream_info = {
     .name          = "xio3130-downstream",
     .parent        = TYPE_PCIE_SLOT,
     .class_init    = xio3130_downstream_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { }
+    },
 };
 
 static void xio3130_downstream_register_types(void)
diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c
index a052224bbf..227997ce46 100644
--- a/hw/pci-bridge/xio3130_upstream.c
+++ b/hw/pci-bridge/xio3130_upstream.c
@@ -166,6 +166,10 @@ static const TypeInfo xio3130_upstream_info = {
     .name          = "x3130-upstream",
     .parent        = TYPE_PCIE_PORT,
     .class_init    = xio3130_upstream_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { }
+    },
 };
 
 static void xio3130_upstream_register_types(void)
diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c
index b709456b97..1edf57f600 100644
--- a/hw/pci-host/apb.c
+++ b/hw/pci-host/apb.c
@@ -836,6 +836,10 @@ static const TypeInfo pbm_pci_host_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init    = pbm_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pbm_host_class_init(ObjectClass *klass, void *data)
@@ -883,6 +887,10 @@ static const TypeInfo pbm_pci_bridge_info = {
     .parent        = TYPE_PCI_BRIDGE,
     .class_init    = pbm_pci_bridge_class_init,
     .instance_size = sizeof(PBMPCIBridge),
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pbm_iommu_memory_region_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index 89133a9dd3..9f61e27edc 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -833,6 +833,10 @@ static const TypeInfo bonito_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIBonitoState),
     .class_init    = bonito_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void bonito_pcihost_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c
index be25245219..4090793cf0 100644
--- a/hw/pci-host/gpex.c
+++ b/hw/pci-host/gpex.c
@@ -166,6 +166,10 @@ static const TypeInfo gpex_root_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(GPEXRootState),
     .class_init = gpex_root_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void gpex_register(void)
diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c
index 2e281f6155..38cd279b6b 100644
--- a/hw/pci-host/grackle.c
+++ b/hw/pci-host/grackle.c
@@ -142,6 +142,10 @@ static const TypeInfo grackle_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init = grackle_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pci_grackle_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index dec345fd24..a7e2256870 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -696,6 +696,10 @@ static const TypeInfo piix3_pci_type_info = {
     .instance_size = sizeof(PIIX3State),
     .abstract = true,
     .class_init = pci_piix3_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void piix3_class_init(ObjectClass *klass, void *data)
@@ -750,6 +754,10 @@ static const TypeInfo i440fx_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCII440FXState),
     .class_init    = i440fx_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 /* IGD Passthrough Host Bridge. */
diff --git a/hw/pci-host/ppce500.c b/hw/pci-host/ppce500.c
index becc0eeb76..39cd24464d 100644
--- a/hw/pci-host/ppce500.c
+++ b/hw/pci-host/ppce500.c
@@ -516,6 +516,10 @@ static const TypeInfo e500_host_bridge_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PPCE500PCIBridgeState),
     .class_init    = e500_host_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static Property pcihost_properties[] = {
diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c
index 8b293ba0f1..92eed0f3e1 100644
--- a/hw/pci-host/prep.c
+++ b/hw/pci-host/prep.c
@@ -372,6 +372,10 @@ static const TypeInfo raven_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(RavenPCIState),
     .class_init = raven_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static Property raven_pcihost_properties[] = {
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 1ff648e80c..ddaa7d1b44 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -591,6 +591,10 @@ static const TypeInfo mch_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(MCHPCIState),
     .class_init = mch_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void q35_register(void)
diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c
index 6cf5e59f86..ea5c265718 100644
--- a/hw/pci-host/uninorth.c
+++ b/hw/pci-host/uninorth.c
@@ -374,6 +374,10 @@ static const TypeInfo unin_main_pci_host_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init = unin_main_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void u3_agp_pci_host_class_init(ObjectClass *klass, void *data)
@@ -398,6 +402,10 @@ static const TypeInfo u3_agp_pci_host_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init = u3_agp_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void unin_agp_pci_host_class_init(ObjectClass *klass, void *data)
@@ -422,6 +430,10 @@ static const TypeInfo unin_agp_pci_host_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init = unin_agp_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void unin_internal_pci_host_class_init(ObjectClass *klass, void *data)
@@ -446,6 +458,10 @@ static const TypeInfo unin_internal_pci_host_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init = unin_internal_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void pci_unin_main_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/versatile.c b/hw/pci-host/versatile.c
index aa1fdf75fd..6394a520fc 100644
--- a/hw/pci-host/versatile.c
+++ b/hw/pci-host/versatile.c
@@ -487,6 +487,10 @@ static const TypeInfo versatile_pci_host_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init    = versatile_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static Property pci_vpb_properties[] = {
diff --git a/hw/pci-host/xilinx-pcie.c b/hw/pci-host/xilinx-pcie.c
index 4613dda1d2..7659253090 100644
--- a/hw/pci-host/xilinx-pcie.c
+++ b/hw/pci-host/xilinx-pcie.c
@@ -317,6 +317,10 @@ static const TypeInfo xilinx_pcie_root_info = {
     .parent = TYPE_PCI_BRIDGE,
     .instance_size = sizeof(XilinxPCIERoot),
     .class_init = xilinx_pcie_root_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { }
+    },
 };
 
 static void xilinx_pcie_register(void)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 1e6fb88eba..5ed3c8dca4 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -170,6 +170,16 @@ static const TypeInfo pci_bus_info = {
     .class_init = pci_bus_class_init,
 };
 
+static const TypeInfo pcie_interface_info = {
+    .name          = INTERFACE_PCIE_DEVICE,
+    .parent        = TYPE_INTERFACE,
+};
+
+static const TypeInfo conventional_pci_interface_info = {
+    .name          = INTERFACE_CONVENTIONAL_PCI_DEVICE,
+    .parent        = TYPE_INTERFACE,
+};
+
 static const TypeInfo pcie_bus_info = {
     .name = TYPE_PCIE_BUS,
     .parent = TYPE_PCI_BUS,
@@ -2537,6 +2547,17 @@ static void pci_device_class_init(ObjectClass *klass, void *data)
     pc->realize = pci_default_realize;
 }
 
+static void pci_device_class_base_init(ObjectClass *klass, void *data)
+{
+    if (!object_class_is_abstract(klass)) {
+        ObjectClass *conventional =
+            object_class_dynamic_cast(klass, INTERFACE_CONVENTIONAL_PCI_DEVICE);
+        ObjectClass *pcie =
+            object_class_dynamic_cast(klass, INTERFACE_PCIE_DEVICE);
+        assert(conventional || pcie);
+    }
+}
+
 AddressSpace *pci_device_iommu_address_space(PCIDevice *dev)
 {
     PCIBus *bus = PCI_BUS(dev->bus);
@@ -2661,12 +2682,15 @@ static const TypeInfo pci_device_type_info = {
     .abstract = true,
     .class_size = sizeof(PCIDeviceClass),
     .class_init = pci_device_class_init,
+    .class_base_init = pci_device_class_base_init,
 };
 
 static void pci_register_types(void)
 {
     type_register_static(&pci_bus_info);
     type_register_static(&pcie_bus_info);
+    type_register_static(&conventional_pci_interface_info);
+    type_register_static(&pcie_interface_info);
     type_register_static(&pci_device_type_info);
 }
 
diff --git a/hw/pci/pci_bridge.c b/hw/pci/pci_bridge.c
index 17feae5ed8..a47d257149 100644
--- a/hw/pci/pci_bridge.c
+++ b/hw/pci/pci_bridge.c
@@ -379,7 +379,8 @@ void pci_bridge_initfn(PCIDevice *dev, const char *typename)
     sec_bus->address_space_mem = &br->address_space_mem;
     memory_region_init(&br->address_space_mem, OBJECT(br), "pci_bridge_pci", UINT64_MAX);
     sec_bus->address_space_io = &br->address_space_io;
-    memory_region_init(&br->address_space_io, OBJECT(br), "pci_bridge_io", 65536);
+    memory_region_init(&br->address_space_io, OBJECT(br), "pci_bridge_io",
+                       UINT32_MAX);
     br->windows = pci_bridge_region_init(br);
     QLIST_INIT(&sec_bus->child);
     QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling);
diff --git a/hw/pci/pcie_host.c b/hw/pci/pcie_host.c
index dcebf57ed4..553db56778 100644
--- a/hw/pci/pcie_host.c
+++ b/hw/pci/pcie_host.c
@@ -81,7 +81,7 @@ static uint64_t pcie_mmcfg_data_read(void *opaque,
 static const MemoryRegionOps pcie_mmcfg_ops = {
     .read = pcie_mmcfg_data_read,
     .write = pcie_mmcfg_data_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static void pcie_host_init(Object *obj)
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index db0e49ab8f..9178e70132 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -803,11 +803,6 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
     SysBusDevice *s;
     PPCE500CCSRState *ccsr;
 
-    /* Setup CPUs */
-    if (machine->cpu_model == NULL) {
-        machine->cpu_model = "e500v2_v30";
-    }
-
     irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
     irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
     for (i = 0; i < smp_cpus; i++) {
@@ -815,8 +810,7 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
         CPUState *cs;
         qemu_irq *input;
 
-        cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU,
-                                           machine->cpu_model));
+        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
         env = &cpu->env;
         cs = CPU(cpu);
 
diff --git a/hw/ppc/e500plat.c b/hw/ppc/e500plat.c
index 94b454551f..e59e80fb9e 100644
--- a/hw/ppc/e500plat.c
+++ b/hw/ppc/e500plat.c
@@ -64,6 +64,7 @@ static void e500plat_machine_init(MachineClass *mc)
     mc->init = e500plat_init;
     mc->max_cpus = 32;
     mc->has_dynamic_sysbus = true;
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("e500v2_v30");
 }
 
 DEFINE_MACHINE("ppce500", e500plat_machine_init)
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 6d0ace20ca..3fa7c429d5 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -174,16 +174,8 @@ static void ppc_core99_init(MachineState *machine)
     linux_boot = (kernel_filename != NULL);
 
     /* init CPUs */
-    if (machine->cpu_model == NULL) {
-#ifdef TARGET_PPC64
-        machine->cpu_model = "970fx";
-#else
-        machine->cpu_model = "G4";
-#endif
-    }
     for (i = 0; i < smp_cpus; i++) {
-        cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU,
-                                           machine->cpu_model));
+        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
         env = &cpu->env;
 
         /* Set time-base frequency to 100 Mhz */
@@ -520,6 +512,11 @@ static void core99_machine_class_init(ObjectClass *oc, void *data)
     mc->max_cpus = MAX_CPUS;
     mc->default_boot_order = "cd";
     mc->kvm_type = core99_kvm_type;
+#ifdef TARGET_PPC64
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("970fx_v3.1");
+#else
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9");
+#endif
 }
 
 static const TypeInfo core99_machine_info = {
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index bc7c8b7bd7..010ea36bf2 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -108,11 +108,8 @@ static void ppc_heathrow_init(MachineState *machine)
     linux_boot = (kernel_filename != NULL);
 
     /* init CPUs */
-    if (machine->cpu_model == NULL)
-        machine->cpu_model = "G3";
     for (i = 0; i < smp_cpus; i++) {
-        cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU,
-                                           machine->cpu_model));
+        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
         env = &cpu->env;
 
         /* Set time-base frequency to 16.6 Mhz */
@@ -385,6 +382,7 @@ static void heathrow_class_init(ObjectClass *oc, void *data)
     /* TOFIX "cad" when Mac floppy is implemented */
     mc->default_boot_order = "cd";
     mc->kvm_type = heathrow_kvm_type;
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("750_v3.1");
 }
 
 static const TypeInfo ppc_heathrow_machine_info = {
diff --git a/hw/ppc/mpc8544ds.c b/hw/ppc/mpc8544ds.c
index 27b8289016..1717953ec7 100644
--- a/hw/ppc/mpc8544ds.c
+++ b/hw/ppc/mpc8544ds.c
@@ -16,6 +16,7 @@
 #include "sysemu/device_tree.h"
 #include "hw/ppc/openpic.h"
 #include "qemu/error-report.h"
+#include "cpu.h"
 
 static void mpc8544ds_fixup_devtree(PPCE500Params *params, void *fdt)
 {
@@ -55,6 +56,7 @@ static void ppce500_machine_init(MachineClass *mc)
     mc->desc = "mpc8544ds";
     mc->init = mpc8544ds_init;
     mc->max_cpus = 15;
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("e500v2_v30");
 }
 
 DEFINE_MACHINE("mpc8544ds", ppce500_machine_init)
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index d46d91c76f..c35c439d81 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -55,6 +55,16 @@
 #define KERNEL_LOAD_ADDR        0x20000000
 #define INITRD_LOAD_ADDR        0x40000000
 
+static const char *pnv_chip_core_typename(const PnvChip *o)
+{
+    const char *chip_type = object_class_get_name(object_get_class(OBJECT(o)));
+    int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX);
+    char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type);
+    const char *core_type = object_class_get_name(object_class_by_name(s));
+    g_free(s);
+    return core_type;
+}
+
 /*
  * On Power Systems E880 (POWER8), the max cpus (threads) should be :
  *     4 * 4 sockets * 12 cores * 8 threads = 1536
@@ -92,8 +102,7 @@ static int get_cpus_node(void *fdt)
     int cpus_offset = fdt_path_offset(fdt, "/cpus");
 
     if (cpus_offset < 0) {
-        cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"),
-                                      "cpus");
+        cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
         if (cpus_offset) {
             _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1)));
             _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0)));
@@ -270,8 +279,7 @@ static int pnv_chip_lpc_offset(PnvChip *chip, void *fdt)
 
 static void powernv_populate_chip(PnvChip *chip, void *fdt)
 {
-    PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
-    char *typename = pnv_core_typename(pcc->cpu_model);
+    const char *typename = pnv_chip_core_typename(chip);
     size_t typesize = object_type_get_instance_size(typename);
     int i;
 
@@ -301,7 +309,6 @@ static void powernv_populate_chip(PnvChip *chip, void *fdt)
         powernv_populate_memory_node(fdt, chip->chip_id, chip->ram_start,
                                      chip->ram_size);
     }
-    g_free(typename);
 }
 
 static void powernv_populate_rtc(ISADevice *d, void *fdt, int lpc_off)
@@ -607,16 +614,13 @@ static void ppc_powernv_init(MachineState *machine)
         }
     }
 
-    /* We need some cpu model to instantiate the PnvChip class */
-    if (machine->cpu_model == NULL) {
-        machine->cpu_model = "POWER8";
-    }
-
     /* Create the processor chips */
-    chip_typename = g_strdup_printf(TYPE_PNV_CHIP "-%s", machine->cpu_model);
+    i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX);
+    chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"),
+                                    i, machine->cpu_type);
     if (!object_class_by_name(chip_typename)) {
-        error_report("invalid CPU model '%s' for %s machine",
-                     machine->cpu_model, MACHINE_GET_CLASS(machine)->name);
+        error_report("invalid CPU model '%.*s' for %s machine",
+                     i, machine->cpu_type, MACHINE_GET_CLASS(machine)->name);
         exit(1);
     }
 
@@ -716,7 +720,6 @@ static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PnvChipClass *k = PNV_CHIP_CLASS(klass);
 
-    k->cpu_model = "POWER8E";
     k->chip_type = PNV_CHIP_POWER8E;
     k->chip_cfam_id = 0x221ef04980000000ull;  /* P8 Murano DD2.1 */
     k->cores_mask = POWER8E_CORE_MASK;
@@ -726,19 +729,11 @@ static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data)
     dc->desc = "PowerNV Chip POWER8E";
 }
 
-static const TypeInfo pnv_chip_power8e_info = {
-    .name          = TYPE_PNV_CHIP_POWER8E,
-    .parent        = TYPE_PNV_CHIP,
-    .instance_size = sizeof(PnvChip),
-    .class_init    = pnv_chip_power8e_class_init,
-};
-
 static void pnv_chip_power8_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PnvChipClass *k = PNV_CHIP_CLASS(klass);
 
-    k->cpu_model = "POWER8";
     k->chip_type = PNV_CHIP_POWER8;
     k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */
     k->cores_mask = POWER8_CORE_MASK;
@@ -748,19 +743,11 @@ static void pnv_chip_power8_class_init(ObjectClass *klass, void *data)
     dc->desc = "PowerNV Chip POWER8";
 }
 
-static const TypeInfo pnv_chip_power8_info = {
-    .name          = TYPE_PNV_CHIP_POWER8,
-    .parent        = TYPE_PNV_CHIP,
-    .instance_size = sizeof(PnvChip),
-    .class_init    = pnv_chip_power8_class_init,
-};
-
 static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PnvChipClass *k = PNV_CHIP_CLASS(klass);
 
-    k->cpu_model = "POWER8NVL";
     k->chip_type = PNV_CHIP_POWER8NVL;
     k->chip_cfam_id = 0x120d304980000000ull;  /* P8 Naples DD1.0 */
     k->cores_mask = POWER8_CORE_MASK;
@@ -770,19 +757,11 @@ static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data)
     dc->desc = "PowerNV Chip POWER8NVL";
 }
 
-static const TypeInfo pnv_chip_power8nvl_info = {
-    .name          = TYPE_PNV_CHIP_POWER8NVL,
-    .parent        = TYPE_PNV_CHIP,
-    .instance_size = sizeof(PnvChip),
-    .class_init    = pnv_chip_power8nvl_class_init,
-};
-
 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PnvChipClass *k = PNV_CHIP_CLASS(klass);
 
-    k->cpu_model = "POWER9";
     k->chip_type = PNV_CHIP_POWER9;
     k->chip_cfam_id = 0x100d104980000000ull; /* P9 Nimbus DD1.0 */
     k->cores_mask = POWER9_CORE_MASK;
@@ -792,13 +771,6 @@ static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
     dc->desc = "PowerNV Chip POWER9";
 }
 
-static const TypeInfo pnv_chip_power9_info = {
-    .name          = TYPE_PNV_CHIP_POWER9,
-    .parent        = TYPE_PNV_CHIP,
-    .instance_size = sizeof(PnvChip),
-    .class_init    = pnv_chip_power9_class_init,
-};
-
 static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp)
 {
     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
@@ -857,7 +829,7 @@ static void pnv_chip_init(Object *obj)
 static void pnv_chip_icp_realize(PnvChip *chip, Error **errp)
 {
     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
-    char *typename = pnv_core_typename(pcc->cpu_model);
+    const char *typename = pnv_chip_core_typename(chip);
     size_t typesize = object_type_get_instance_size(typename);
     int i, j;
     char *name;
@@ -882,8 +854,6 @@ static void pnv_chip_icp_realize(PnvChip *chip, Error **errp)
             memory_region_add_subregion(&chip->icp_mmio, pir << 12, &icp->mmio);
         }
     }
-
-    g_free(typename);
 }
 
 static void pnv_chip_realize(DeviceState *dev, Error **errp)
@@ -891,7 +861,7 @@ static void pnv_chip_realize(DeviceState *dev, Error **errp)
     PnvChip *chip = PNV_CHIP(dev);
     Error *error = NULL;
     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
-    char *typename = pnv_core_typename(pcc->cpu_model);
+    const char *typename = pnv_chip_core_typename(chip);
     size_t typesize = object_type_get_instance_size(typename);
     int i, core_hwid;
 
@@ -950,7 +920,6 @@ static void pnv_chip_realize(DeviceState *dev, Error **errp)
                                 &PNV_CORE(pnv_core)->xscom_regs);
         i++;
     }
-    g_free(typename);
 
     /* Create LPC controller */
     object_property_set_bool(OBJECT(&chip->lpc), true, "realized",
@@ -1003,15 +972,6 @@ static void pnv_chip_class_init(ObjectClass *klass, void *data)
     dc->desc = "PowerNV Chip";
 }
 
-static const TypeInfo pnv_chip_info = {
-    .name          = TYPE_PNV_CHIP,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .class_init    = pnv_chip_class_init,
-    .instance_init = pnv_chip_init,
-    .class_size    = sizeof(PnvChipClass),
-    .abstract      = true,
-};
-
 static ICSState *pnv_ics_get(XICSFabric *xi, int irq)
 {
     PnvMachineState *pnv = POWERNV_MACHINE(xi);
@@ -1133,6 +1093,7 @@ static void powernv_machine_class_init(ObjectClass *oc, void *data)
     mc->init = ppc_powernv_init;
     mc->reset = ppc_powernv_reset;
     mc->max_cpus = MAX_CPUS;
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
     mc->block_default_type = IF_IDE; /* Pnv provides a AHCI device for
                                       * storage */
     mc->no_parallel = 1;
@@ -1146,27 +1107,40 @@ static void powernv_machine_class_init(ObjectClass *oc, void *data)
     powernv_machine_class_props_init(oc);
 }
 
-static const TypeInfo powernv_machine_info = {
-    .name          = TYPE_POWERNV_MACHINE,
-    .parent        = TYPE_MACHINE,
-    .instance_size = sizeof(PnvMachineState),
-    .instance_init = powernv_machine_initfn,
-    .class_init    = powernv_machine_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_XICS_FABRIC },
-        { TYPE_INTERRUPT_STATS_PROVIDER },
-        { },
+#define DEFINE_PNV_CHIP_TYPE(type, class_initfn) \
+    {                                            \
+        .name          = type,                   \
+        .class_init    = class_initfn,           \
+        .parent        = TYPE_PNV_CHIP,          \
+    }
+
+static const TypeInfo types[] = {
+    {
+        .name          = TYPE_POWERNV_MACHINE,
+        .parent        = TYPE_MACHINE,
+        .instance_size = sizeof(PnvMachineState),
+        .instance_init = powernv_machine_initfn,
+        .class_init    = powernv_machine_class_init,
+        .interfaces = (InterfaceInfo[]) {
+            { TYPE_XICS_FABRIC },
+            { TYPE_INTERRUPT_STATS_PROVIDER },
+            { },
+        },
+    },
+    {
+        .name          = TYPE_PNV_CHIP,
+        .parent        = TYPE_SYS_BUS_DEVICE,
+        .class_init    = pnv_chip_class_init,
+        .instance_init = pnv_chip_init,
+        .instance_size = sizeof(PnvChip),
+        .class_size    = sizeof(PnvChipClass),
+        .abstract      = true,
     },
+    DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init),
+    DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init),
+    DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init),
+    DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL,
+                         pnv_chip_power8nvl_class_init),
 };
 
-static void powernv_machine_register_types(void)
-{
-    type_register_static(&powernv_machine_info);
-    type_register_static(&pnv_chip_info);
-    type_register_static(&pnv_chip_power8e_info);
-    type_register_static(&pnv_chip_power8_info);
-    type_register_static(&pnv_chip_power8nvl_info);
-    type_register_static(&pnv_chip_power9_info);
-}
-
-type_init(powernv_machine_register_types)
+DEFINE_TYPES(types)
diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c
index 67264830db..82ff440b33 100644
--- a/hw/ppc/pnv_core.c
+++ b/hw/ppc/pnv_core.c
@@ -27,6 +27,16 @@
 #include "hw/ppc/pnv_xscom.h"
 #include "hw/ppc/xics.h"
 
+static const char *pnv_core_cpu_typename(PnvCore *pc)
+{
+    const char *core_type = object_class_get_name(object_get_class(OBJECT(pc)));
+    int len = strlen(core_type) - strlen(PNV_CORE_TYPE_SUFFIX);
+    char *s = g_strdup_printf(POWERPC_CPU_TYPE_NAME("%.*s"), len, core_type);
+    const char *cpu_type = object_class_get_name(object_class_by_name(s));
+    g_free(s);
+    return cpu_type;
+}
+
 static void powernv_cpu_reset(void *opaque)
 {
     PowerPCCPU *cpu = opaque;
@@ -148,8 +158,7 @@ static void pnv_core_realize(DeviceState *dev, Error **errp)
 {
     PnvCore *pc = PNV_CORE(OBJECT(dev));
     CPUCore *cc = CPU_CORE(OBJECT(dev));
-    PnvCoreClass *pcc = PNV_CORE_GET_CLASS(OBJECT(dev));
-    const char *typename = object_class_get_name(pcc->cpu_oc);
+    const char *typename = pnv_core_cpu_typename(pc);
     size_t size = object_type_get_instance_size(typename);
     Error *local_err = NULL;
     void *obj;
@@ -211,46 +220,30 @@ static Property pnv_core_properties[] = {
 static void pnv_core_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
-    PnvCoreClass *pcc = PNV_CORE_CLASS(oc);
 
     dc->realize = pnv_core_realize;
     dc->props = pnv_core_properties;
-    pcc->cpu_oc = cpu_class_by_name(TYPE_POWERPC_CPU, data);
 }
 
-static const TypeInfo pnv_core_info = {
-    .name           = TYPE_PNV_CORE,
-    .parent         = TYPE_CPU_CORE,
-    .instance_size  = sizeof(PnvCore),
-    .class_size     = sizeof(PnvCoreClass),
-    .abstract       = true,
-};
-
-static const char *pnv_core_models[] = {
-    "POWER8E", "POWER8", "POWER8NVL", "POWER9"
-};
-
-static void pnv_core_register_types(void)
-{
-    int i ;
-
-    type_register_static(&pnv_core_info);
-    for (i = 0; i < ARRAY_SIZE(pnv_core_models); ++i) {
-        TypeInfo ti = {
-            .parent = TYPE_PNV_CORE,
-            .instance_size = sizeof(PnvCore),
-            .class_init = pnv_core_class_init,
-            .class_data = (void *) pnv_core_models[i],
-        };
-        ti.name = pnv_core_typename(pnv_core_models[i]);
-        type_register(&ti);
-        g_free((void *)ti.name);
+#define DEFINE_PNV_CORE_TYPE(cpu_model)         \
+    {                                           \
+        .parent = TYPE_PNV_CORE,                \
+        .name = PNV_CORE_TYPE_NAME(cpu_model),  \
     }
-}
 
-type_init(pnv_core_register_types)
+static const TypeInfo pnv_core_infos[] = {
+    {
+        .name           = TYPE_PNV_CORE,
+        .parent         = TYPE_CPU_CORE,
+        .instance_size  = sizeof(PnvCore),
+        .class_size     = sizeof(PnvCoreClass),
+        .class_init = pnv_core_class_init,
+        .abstract       = true,
+    },
+    DEFINE_PNV_CORE_TYPE("power8e_v2.1"),
+    DEFINE_PNV_CORE_TYPE("power8_v2.0"),
+    DEFINE_PNV_CORE_TYPE("power8nvl_v1.0"),
+    DEFINE_PNV_CORE_TYPE("power9_v2.0"),
+};
 
-char *pnv_core_typename(const char *model)
-{
-    return g_strdup_printf(TYPE_PNV_CORE "-%s", model);
-}
+DEFINE_TYPES(pnv_core_infos)
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index 05da316e0b..7ec35de5ae 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -1359,28 +1359,3 @@ void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val)
         break;
     }
 }
-
-void ppc_cpu_parse_features(const char *cpu_model)
-{
-    CPUClass *cc;
-    ObjectClass *oc;
-    const char *typename;
-    gchar **model_pieces;
-
-    model_pieces = g_strsplit(cpu_model, ",", 2);
-    if (!model_pieces[0]) {
-        error_report("Invalid/empty CPU model name");
-        exit(1);
-    }
-
-    oc = cpu_class_by_name(TYPE_POWERPC_CPU, model_pieces[0]);
-    if (oc == NULL) {
-        error_report("Unable to find CPU definition: %s", model_pieces[0]);
-        exit(1);
-    }
-
-    typename = object_class_get_name(oc);
-    cc = CPU_CLASS(oc);
-    cc->parse_features(typename, model_pieces[1], &error_fatal);
-    g_strfreev(model_pieces);
-}
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
index 8e58065f5f..205ebcea93 100644
--- a/hw/ppc/ppc405_uc.c
+++ b/hw/ppc/ppc405_uc.c
@@ -1629,7 +1629,8 @@ CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
     qemu_irq *pic, *irqs;
 
     memset(clk_setup, 0, sizeof(clk_setup));
-    cpu = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
+    cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405crc"),
+                      &clk_setup[PPC405CR_CPU_CLK],
                       &clk_setup[PPC405CR_TMR_CLK], sysclk);
     env = &cpu->env;
     /* Memory mapped devices registers */
@@ -1981,7 +1982,8 @@ CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
 
     memset(clk_setup, 0, sizeof(clk_setup));
     /* init CPUs */
-    cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
+    cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405ep"),
+                      &clk_setup[PPC405EP_CPU_CLK],
                       &tlb_clk_setup, sysclk);
     env = &cpu->env;
     clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
diff --git a/hw/ppc/ppc440_bamboo.c b/hw/ppc/ppc440_bamboo.c
index f92d47f28d..693c215108 100644
--- a/hw/ppc/ppc440_bamboo.c
+++ b/hw/ppc/ppc440_bamboo.c
@@ -182,11 +182,7 @@ static void bamboo_init(MachineState *machine)
     int success;
     int i;
 
-    /* Setup CPU. */
-    if (machine->cpu_model == NULL) {
-        machine->cpu_model = "440EP";
-    }
-    cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU, machine->cpu_model));
+    cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
     env = &cpu->env;
 
     if (env->mmu_model != POWERPC_MMU_BOOKE) {
@@ -297,6 +293,7 @@ static void bamboo_machine_init(MachineClass *mc)
 {
     mc->desc = "bamboo";
     mc->init = bamboo_init;
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("440epb");
 }
 
 DEFINE_MACHINE("bamboo", bamboo_machine_init)
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index 6d7f7857fe..2e963894fe 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -48,7 +48,7 @@ static void ppc4xx_reset(void *opaque)
 
 /*****************************************************************************/
 /* Generic PowerPC 4xx processor instantiation */
-PowerPCCPU *ppc4xx_init(const char *cpu_model,
+PowerPCCPU *ppc4xx_init(const char *cpu_type,
                         clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
                         uint32_t sysclk)
 {
@@ -56,7 +56,7 @@ PowerPCCPU *ppc4xx_init(const char *cpu_model,
     CPUPPCState *env;
 
     /* init CPUs */
-    cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU, cpu_model));
+    cpu = POWERPC_CPU(cpu_create(cpu_type));
     env = &cpu->env;
 
     cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
diff --git a/hw/ppc/ppc4xx_pci.c b/hw/ppc/ppc4xx_pci.c
index 6953f8b9ac..4765dcecca 100644
--- a/hw/ppc/ppc4xx_pci.c
+++ b/hw/ppc/ppc4xx_pci.c
@@ -359,6 +359,10 @@ static const TypeInfo ppc4xx_host_bridge_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init    = ppc4xx_host_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void ppc4xx_pcihost_class_init(ObjectClass *klass, void *data)
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index 94138a4e8c..6f8accc397 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -517,11 +517,8 @@ static void ppc_prep_init(MachineState *machine)
     linux_boot = (kernel_filename != NULL);
 
     /* init CPUs */
-    if (machine->cpu_model == NULL)
-        machine->cpu_model = "602";
     for (i = 0; i < smp_cpus; i++) {
-        cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU,
-                                           machine->cpu_model));
+        cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
         env = &cpu->env;
 
         if (env->flags & POWERPC_FLAG_RTC_CLK) {
@@ -684,6 +681,7 @@ static void prep_machine_init(MachineClass *mc)
     mc->block_default_type = IF_IDE;
     mc->max_cpus = MAX_CPUS;
     mc->default_boot_order = "cad";
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("602");
 }
 
 static int prep_set_cmos_checksum(DeviceState *dev, void *opaque)
@@ -718,10 +716,7 @@ static void ibm_40p_init(MachineState *machine)
     char boot_device;
 
     /* init CPU */
-    if (!machine->cpu_model) {
-        machine->cpu_model = "604";
-    }
-    cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU, machine->cpu_model));
+    cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
     env = &cpu->env;
     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
         error_report("only 6xx bus is supported on this machine");
@@ -894,6 +889,7 @@ static void ibm_40p_machine_init(MachineClass *mc)
     mc->default_ram_size = 128 * M_BYTE;
     mc->block_default_type = IF_SCSI;
     mc->default_boot_order = "c";
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("604");
 }
 
 DEFINE_MACHINE("40p", ibm_40p_machine_init)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index ff87f155d5..d682f013d4 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -353,8 +353,7 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr)
 
         cpus_offset = fdt_path_offset(fdt, "/cpus");
         if (cpus_offset < 0) {
-            cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"),
-                                          "cpus");
+            cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
             if (cpus_offset < 0) {
                 return cpus_offset;
             }
@@ -820,6 +819,13 @@ int spapr_h_cas_compose_response(sPAPRMachineState *spapr,
         return 1;
     }
 
+    if (size < sizeof(hdr) || size > FW_MAX_SIZE) {
+        error_report("SLOF provided an unexpected CAS buffer size "
+                     TARGET_FMT_lu " (min: %zu, max: %u)",
+                     size, sizeof(hdr), FW_MAX_SIZE);
+        exit(EXIT_FAILURE);
+    }
+
     size -= sizeof(hdr);
 
     /* Create skeleton */
@@ -2123,7 +2129,7 @@ static void spapr_init_cpus(sPAPRMachineState *spapr)
 {
     MachineState *machine = MACHINE(spapr);
     MachineClass *mc = MACHINE_GET_CLASS(machine);
-    char *type = spapr_get_cpu_core_type(machine->cpu_model);
+    const char *type = spapr_get_cpu_core_type(machine->cpu_type);
     int smt = kvmppc_smt_threads();
     const CPUArchIdList *possible_cpus;
     int boot_cores_nr = smp_cpus / smp_threads;
@@ -2178,7 +2184,6 @@ static void spapr_init_cpus(sPAPRMachineState *spapr)
             object_property_set_bool(core, true, "realized", &error_fatal);
         }
     }
-    g_free(type);
 }
 
 static void spapr_set_vsmt_mode(sPAPRMachineState *spapr, Error **errp)
@@ -2335,7 +2340,8 @@ static void ppc_spapr_init(MachineState *machine)
     /* Set up Interrupt Controller before we create the VCPUs */
     xics_system_init(machine, XICS_IRQS_SPAPR, &error_fatal);
 
-    /* Set up containers for ibm,client-set-architecture negotiated options */
+    /* Set up containers for ibm,client-architecture-support negotiated options
+     */
     spapr->ov5 = spapr_ovec_new();
     spapr->ov5_cas = spapr_ovec_new();
 
@@ -2362,12 +2368,6 @@ static void ppc_spapr_init(MachineState *machine)
     }
 
     /* init CPUs */
-    if (machine->cpu_model == NULL) {
-        machine->cpu_model = kvm_enabled() ? "host" : smc->tcg_default_cpu;
-    }
-
-    spapr_cpu_parse_features(spapr);
-
     spapr_set_vsmt_mode(spapr, &error_fatal);
 
     spapr_init_cpus(spapr);
@@ -3054,14 +3054,13 @@ void spapr_lmb_release(DeviceState *dev)
         return;
     }
 
-    spapr_pending_dimm_unplugs_remove(spapr, ds);
-
     /*
      * Now that all the LMBs have been removed by the guest, call the
      * pc-dimm unplug handler to cleanup up the pc-dimm device.
      */
     pc_dimm_memory_unplug(dev, &spapr->hotplug_memory, mr);
     object_unparent(OBJECT(dev));
+    spapr_pending_dimm_unplugs_remove(spapr, ds);
 }
 
 static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev,
@@ -3090,6 +3089,19 @@ static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev,
         goto out;
     }
 
+    /*
+     * An existing pending dimm state for this DIMM means that there is an
+     * unplug operation in progress, waiting for the spapr_lmb_release
+     * callback to complete the job (BQL can't cover that far). In this case,
+     * bail out to avoid detaching DRCs that were already released.
+     */
+    if (spapr_pending_dimm_unplugs_find(spapr, dimm)) {
+        error_setg(&local_err,
+                   "Memory unplug already in progress for device %s",
+                   dev->id);
+        goto out;
+    }
+
     spapr_pending_dimm_unplugs_add(spapr, nr_lmbs, dimm);
 
     addr = addr_start;
@@ -3142,8 +3154,7 @@ void spapr_core_release(DeviceState *dev)
     if (smc->pre_2_10_has_unused_icps) {
         sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
         sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(cc));
-        const char *typename = object_class_get_name(scc->cpu_class);
-        size_t size = object_type_get_instance_size(typename);
+        size_t size = object_type_get_instance_size(scc->cpu_type);
         int i;
 
         for (i = 0; i < cc->nr_threads; i++) {
@@ -3239,8 +3250,7 @@ static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
 
     if (smc->pre_2_10_has_unused_icps) {
         sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(cc));
-        const char *typename = object_class_get_name(scc->cpu_class);
-        size_t size = object_type_get_instance_size(typename);
+        size_t size = object_type_get_instance_size(scc->cpu_type);
         int i;
 
         for (i = 0; i < cc->nr_threads; i++) {
@@ -3260,7 +3270,7 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
     MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev);
     Error *local_err = NULL;
     CPUCore *cc = CPU_CORE(dev);
-    char *base_core_type = spapr_get_cpu_core_type(machine->cpu_model);
+    const char *base_core_type = spapr_get_cpu_core_type(machine->cpu_type);
     const char *type = object_get_typename(OBJECT(dev));
     CPUArchId *core_slot;
     int index;
@@ -3306,7 +3316,6 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
     numa_cpu_pre_plug(core_slot, dev, &local_err);
 
 out:
-    g_free(base_core_type);
     error_propagate(errp, local_err);
 }
 
@@ -3605,7 +3614,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
     hc->unplug_request = spapr_machine_device_unplug_request;
 
     smc->dr_lmb_enabled = true;
-    smc->tcg_default_cpu = "POWER8";
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
     mc->has_hotpluggable_cpus = true;
     smc->resize_hpt_default = SPAPR_RESIZE_HPT_ENABLED;
     fwc->get_dev_path = spapr_get_fw_dev_path;
@@ -3851,7 +3860,7 @@ static void spapr_machine_2_7_class_options(MachineClass *mc)
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
 
     spapr_machine_2_8_class_options(mc);
-    smc->tcg_default_cpu = "POWER7";
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power7_v2.3");
     SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_7);
     smc->phb_placement = phb_placement_2_7;
 }
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 3e20b1d886..3a4c174012 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -21,57 +21,6 @@
 #include "sysemu/hw_accel.h"
 #include "qemu/error-report.h"
 
-void spapr_cpu_parse_features(sPAPRMachineState *spapr)
-{
-    /*
-     * Backwards compatibility hack:
-     *
-     *   CPUs had a "compat=" property which didn't make sense for
-     *   anything except pseries.  It was replaced by "max-cpu-compat"
-     *   machine option.  This supports old command lines like
-     *       -cpu POWER8,compat=power7
-     *   By stripping the compat option and applying it to the machine
-     *   before passing it on to the cpu level parser.
-     */
-    gchar **inpieces;
-    int i, j;
-    gchar *compat_str = NULL;
-
-    inpieces = g_strsplit(MACHINE(spapr)->cpu_model, ",", 0);
-
-    /* inpieces[0] is the actual model string */
-    i = 1;
-    j = 1;
-    while (inpieces[i]) {
-        if (g_str_has_prefix(inpieces[i], "compat=")) {
-            /* in case of multiple compat= options */
-            g_free(compat_str);
-            compat_str = inpieces[i];
-        } else {
-            j++;
-        }
-
-        i++;
-        /* Excise compat options from list */
-        inpieces[j] = inpieces[i];
-    }
-
-    if (compat_str) {
-        char *val = compat_str + strlen("compat=");
-        gchar *newprops = g_strjoinv(",", inpieces);
-
-        object_property_set_str(OBJECT(spapr), val, "max-cpu-compat",
-                                &error_fatal);
-
-        ppc_cpu_parse_features(newprops);
-        g_free(newprops);
-    } else {
-        ppc_cpu_parse_features(MACHINE(spapr)->cpu_model);
-    }
-
-    g_strfreev(inpieces);
-}
-
 static void spapr_cpu_reset(void *opaque)
 {
     PowerPCCPU *cpu = opaque;
@@ -112,37 +61,26 @@ static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu,
  * Return the sPAPR CPU core type for @model which essentially is the CPU
  * model specified with -cpu cmdline option.
  */
-char *spapr_get_cpu_core_type(const char *model)
+const char *spapr_get_cpu_core_type(const char *cpu_type)
 {
-    char *core_type;
-    gchar **model_pieces = g_strsplit(model, ",", 2);
-    gchar *cpu_model = g_ascii_strdown(model_pieces[0], -1);
-    g_strfreev(model_pieces);
-
-    core_type = g_strdup_printf("%s-" TYPE_SPAPR_CPU_CORE, cpu_model);
-
-    /* Check whether it exists or whether we have to look up an alias name */
-    if (!object_class_by_name(core_type)) {
-        const char *realmodel;
-
-        g_free(core_type);
-        core_type = NULL;
-        realmodel = ppc_cpu_lookup_alias(cpu_model);
-        if (realmodel) {
-            core_type = spapr_get_cpu_core_type(realmodel);
-        }
+    int len = strlen(cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX);
+    char *core_type = g_strdup_printf(SPAPR_CPU_CORE_TYPE_NAME("%.*s"),
+                                      len, cpu_type);
+    ObjectClass *oc = object_class_by_name(core_type);
+
+    g_free(core_type);
+    if (!oc) {
+        return NULL;
     }
-    g_free(cpu_model);
 
-    return core_type;
+    return object_class_get_name(oc);
 }
 
 static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp)
 {
     sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
     sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
-    const char *typename = object_class_get_name(scc->cpu_class);
-    size_t size = object_type_get_instance_size(typename);
+    size_t size = object_type_get_instance_size(scc->cpu_type);
     CPUCore *cc = CPU_CORE(dev);
     int i;
 
@@ -199,22 +137,26 @@ error:
 
 static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
 {
-    sPAPRMachineState *spapr;
+    /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
+     * tries to add a sPAPR CPU core to a non-pseries machine.
+     */
+    sPAPRMachineState *spapr =
+        (sPAPRMachineState *) object_dynamic_cast(qdev_get_machine(),
+                                                  TYPE_SPAPR_MACHINE);
     sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
     sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
     CPUCore *cc = CPU_CORE(OBJECT(dev));
-    const char *typename = object_class_get_name(scc->cpu_class);
-    size_t size = object_type_get_instance_size(typename);
+    size_t size;
     Error *local_err = NULL;
     void *obj;
     int i, j;
 
-    spapr = (sPAPRMachineState *) qdev_get_machine();
-    if (!object_dynamic_cast((Object *) spapr, TYPE_SPAPR_MACHINE)) {
-        error_setg(errp, "spapr-cpu-core needs a pseries machine");
+    if (!spapr) {
+        error_setg(errp, TYPE_SPAPR_CPU_CORE " needs a pseries machine");
         return;
     }
 
+    size = object_type_get_instance_size(scc->cpu_type);
     sc->threads = g_malloc0(size * cc->nr_threads);
     for (i = 0; i < cc->nr_threads; i++) {
         char id[32];
@@ -223,7 +165,7 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
 
         obj = sc->threads + i * size;
 
-        object_initialize(obj, size, typename);
+        object_initialize(obj, size, scc->cpu_type);
         cs = CPU(obj);
         cpu = POWERPC_CPU(cs);
         cs->cpu_index = cc->core_id + i;
@@ -268,42 +210,12 @@ err:
     error_propagate(errp, local_err);
 }
 
-static const char *spapr_core_models[] = {
-    /* 970 */
-    "970_v2.2",
-
-    /* 970MP variants */
-    "970mp_v1.0",
-    "970mp_v1.1",
-
-    /* POWER5+ */
-    "power5+_v2.1",
-
-    /* POWER7 */
-    "power7_v2.3",
-
-    /* POWER7+ */
-    "power7+_v2.1",
-
-    /* POWER8 */
-    "power8_v2.0",
-
-    /* POWER8E */
-    "power8e_v2.1",
-
-    /* POWER8NVL */
-    "power8nvl_v1.0",
-
-    /* POWER9 */
-    "power9_v1.0",
-};
-
 static Property spapr_cpu_core_properties[] = {
     DEFINE_PROP_INT32("node-id", sPAPRCPUCore, node_id, CPU_UNSET_NUMA_NODE_ID),
     DEFINE_PROP_END_OF_LIST()
 };
 
-void spapr_cpu_core_class_init(ObjectClass *oc, void *data)
+static void spapr_cpu_core_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
     sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_CLASS(oc);
@@ -311,37 +223,39 @@ void spapr_cpu_core_class_init(ObjectClass *oc, void *data)
     dc->realize = spapr_cpu_core_realize;
     dc->unrealize = spapr_cpu_core_unrealizefn;
     dc->props = spapr_cpu_core_properties;
-    scc->cpu_class = cpu_class_by_name(TYPE_POWERPC_CPU, data);
-    g_assert(scc->cpu_class);
+    scc->cpu_type = data;
 }
 
-static const TypeInfo spapr_cpu_core_type_info = {
-    .name = TYPE_SPAPR_CPU_CORE,
-    .parent = TYPE_CPU_CORE,
-    .abstract = true,
-    .instance_size = sizeof(sPAPRCPUCore),
-    .class_size = sizeof(sPAPRCPUCoreClass),
-};
-
-static void spapr_cpu_core_register_types(void)
-{
-    int i;
-
-    type_register_static(&spapr_cpu_core_type_info);
-
-    for (i = 0; i < ARRAY_SIZE(spapr_core_models); i++) {
-        TypeInfo type_info = {
-            .parent = TYPE_SPAPR_CPU_CORE,
-            .instance_size = sizeof(sPAPRCPUCore),
-            .class_init = spapr_cpu_core_class_init,
-            .class_data = (void *) spapr_core_models[i],
-        };
-
-        type_info.name = g_strdup_printf("%s-" TYPE_SPAPR_CPU_CORE,
-                                         spapr_core_models[i]);
-        type_register(&type_info);
-        g_free((void *)type_info.name);
+#define DEFINE_SPAPR_CPU_CORE_TYPE(cpu_model) \
+    {                                                   \
+        .parent = TYPE_SPAPR_CPU_CORE,                  \
+        .class_data = (void *) POWERPC_CPU_TYPE_NAME(cpu_model), \
+        .class_init = spapr_cpu_core_class_init,        \
+        .name = SPAPR_CPU_CORE_TYPE_NAME(cpu_model),    \
     }
-}
 
-type_init(spapr_cpu_core_register_types)
+static const TypeInfo spapr_cpu_core_type_infos[] = {
+    {
+        .name = TYPE_SPAPR_CPU_CORE,
+        .parent = TYPE_CPU_CORE,
+        .abstract = true,
+        .instance_size = sizeof(sPAPRCPUCore),
+        .class_size = sizeof(sPAPRCPUCoreClass),
+    },
+    DEFINE_SPAPR_CPU_CORE_TYPE("970_v2.2"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.0"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.1"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power5+_v2.1"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power7_v2.3"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power7+_v2.1"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power8_v2.0"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power8e_v2.1"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power8nvl_v1.0"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power9_v1.0"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.0"),
+#ifdef CONFIG_KVM
+    DEFINE_SPAPR_CPU_CORE_TYPE("host"),
+#endif
+};
+
+DEFINE_TYPES(spapr_cpu_core_type_infos)
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 8d72bb7c1c..0d59d1534d 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -472,7 +472,7 @@ static target_ulong h_resize_hpt_prepare(PowerPCCPU *cpu,
     target_ulong flags = args[0];
     int shift = args[1];
     sPAPRPendingHPT *pending = spapr->pending_hpt;
-    uint64_t current_ram_size = MACHINE(spapr)->ram_size;
+    uint64_t current_ram_size;
     int rc;
 
     if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) {
@@ -494,7 +494,7 @@ static target_ulong h_resize_hpt_prepare(PowerPCCPU *cpu,
         return H_PARAMETER;
     }
 
-    current_ram_size = pc_existing_dimms_capacity(&error_fatal);
+    current_ram_size = MACHINE(spapr)->ram_size + get_plugged_memory_size();
 
     /* We only allow the guest to allocate an HPT one order above what
      * we'd normally give them (to stop a small guest claiming a huge
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 5049ced4e8..5a3122a9f9 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1507,7 +1507,12 @@ static void spapr_pci_unplug_request(HotplugHandler *plug_handler,
 
 static void spapr_phb_realize(DeviceState *dev, Error **errp)
 {
-    sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+    /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
+     * tries to add a sPAPR PHB to a non-pseries machine.
+     */
+    sPAPRMachineState *spapr =
+        (sPAPRMachineState *) object_dynamic_cast(qdev_get_machine(),
+                                                  TYPE_SPAPR_MACHINE);
     SysBusDevice *s = SYS_BUS_DEVICE(dev);
     sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
     PCIHostState *phb = PCI_HOST_BRIDGE(s);
@@ -1519,6 +1524,11 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
     const unsigned windows_supported =
         sphb->ddw_enabled ? SPAPR_PCI_DMA_MAX_WINDOWS : 1;
 
+    if (!spapr) {
+        error_setg(errp, TYPE_SPAPR_PCI_HOST_BRIDGE " needs a pseries machine");
+        return;
+    }
+
     if (sphb->index != (uint32_t)-1) {
         sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
         Error *local_err = NULL;
diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c
index ed9b406fd3..5ac4f76613 100644
--- a/hw/ppc/virtex_ml507.c
+++ b/hw/ppc/virtex_ml507.c
@@ -89,14 +89,14 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
 
 static PowerPCCPU *ppc440_init_xilinx(ram_addr_t *ram_size,
                                       int do_init,
-                                      const char *cpu_model,
+                                      const char *cpu_type,
                                       uint32_t sysclk)
 {
     PowerPCCPU *cpu;
     CPUPPCState *env;
     qemu_irq *irqs;
 
-    cpu = POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU, cpu_model));
+    cpu = POWERPC_CPU(cpu_create(cpu_type));
     env = &cpu->env;
 
     ppc_booke_timers_init(cpu, sysclk, 0/* no flags */);
@@ -211,11 +211,7 @@ static void virtex_init(MachineState *machine)
     int i;
 
     /* init CPUs */
-    if (machine->cpu_model == NULL) {
-        machine->cpu_model = "440-Xilinx";
-    }
-
-    cpu = ppc440_init_xilinx(&ram_size, 1, machine->cpu_model, 400000000);
+    cpu = ppc440_init_xilinx(&ram_size, 1, machine->cpu_type, 400000000);
     env = &cpu->env;
 
     if (env->mmu_model != POWERPC_MMU_BOOKE) {
@@ -307,6 +303,7 @@ static void virtex_machine_init(MachineClass *mc)
 {
     mc->desc = "Xilinx Virtex ML507 reference design";
     mc->init = virtex_init;
+    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("440-xilinx");
 }
 
 DEFINE_MACHINE("virtex-ml507", virtex_machine_init)
diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index e295d88939..419fc668ac 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -398,6 +398,10 @@ static const TypeInfo esp_pci_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIESPState),
     .class_init = esp_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 typedef struct {
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index a67ee074d9..191505df5b 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -2246,6 +2246,10 @@ static const TypeInfo lsi_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(LSIState),
     .class_init    = lsi_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void lsi53c810_class_init(ObjectClass *klass, void *data)
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 0db68aacee..d5eae6239a 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -2451,6 +2451,7 @@ typedef struct MegasasInfo {
     int osts;
     const VMStateDescription *vmsd;
     Property *props;
+    InterfaceInfo *interfaces;
 } MegasasInfo;
 
 static struct MegasasInfo megasas_devices[] = {
@@ -2467,6 +2468,10 @@ static struct MegasasInfo megasas_devices[] = {
         .is_express = false,
         .vmsd = &vmstate_megasas_gen1,
         .props = megasas_properties_gen1,
+        .interfaces = (InterfaceInfo[]) {
+            { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+            { },
+        },
     },{
         .name = TYPE_MEGASAS_GEN2,
         .desc = "LSI MegaRAID SAS 2108",
@@ -2480,6 +2485,10 @@ static struct MegasasInfo megasas_devices[] = {
         .is_express = true,
         .vmsd = &vmstate_megasas_gen2,
         .props = megasas_properties_gen2,
+        .interfaces = (InterfaceInfo[]) {
+            { INTERFACE_PCIE_DEVICE },
+            { }
+        },
     }
 };
 
@@ -2531,6 +2540,7 @@ static void megasas_register_types(void)
         type_info.parent = TYPE_MEGASAS_BASE;
         type_info.class_data = (void *)info;
         type_info.class_init = megasas_class_init;
+        type_info.interfaces = info->interfaces;
 
         type_register(&type_info);
     }
diff --git a/hw/scsi/mptsas.c b/hw/scsi/mptsas.c
index d05fa9f549..f6db1b0103 100644
--- a/hw/scsi/mptsas.c
+++ b/hw/scsi/mptsas.c
@@ -1439,6 +1439,10 @@ static const TypeInfo mptsas_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(MPTSASState),
     .class_init = mptsas1068_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void mptsas_register_types(void)
diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
index d8079158ac..d564e5caff 100644
--- a/hw/scsi/vmw_pvscsi.c
+++ b/hw/scsi/vmw_pvscsi.c
@@ -1302,6 +1302,8 @@ static const TypeInfo pvscsi_info = {
     .class_init    = pvscsi_class_init,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_HOTPLUG_HANDLER },
+        { INTERFACE_PCIE_DEVICE },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
         { }
     }
 };
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 6d6a791ee9..b064a087c9 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1315,6 +1315,10 @@ static const TypeInfo sdhci_pci_info = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(SDHCIState),
     .class_init = sdhci_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static Property sdhci_sysbus_properties[] = {
diff --git a/hw/sh4/sh_pci.c b/hw/sh4/sh_pci.c
index 38395c082b..cbb01af57f 100644
--- a/hw/sh4/sh_pci.c
+++ b/hw/sh4/sh_pci.c
@@ -179,6 +179,10 @@ static const TypeInfo sh_pci_host_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIDevice),
     .class_init    = sh_pci_host_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void sh_pci_device_class_init(ObjectClass *klass, void *data)
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index c3280aaf38..8282651aeb 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -275,6 +275,10 @@ static const TypeInfo ebus_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(EbusState),
     .class_init    = ebus_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 #define TYPE_OPENPROM "openprom"
diff --git a/hw/tpm/Makefile.objs b/hw/tpm/Makefile.objs
index 64cecc3b67..41f0b7a590 100644
--- a/hw/tpm/Makefile.objs
+++ b/hw/tpm/Makefile.objs
@@ -1,2 +1,3 @@
 common-obj-$(CONFIG_TPM_TIS) += tpm_tis.o
 common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o tpm_util.o
+common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o tpm_util.o
diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c
new file mode 100644
index 0000000000..95e1e041cf
--- /dev/null
+++ b/hw/tpm/tpm_emulator.c
@@ -0,0 +1,587 @@
+/*
+ *  Emulator TPM driver
+ *
+ *  Copyright (c) 2017 Intel Corporation
+ *  Author: Amarnath Valluri <amarnath.valluri@intel.com>
+ *
+ *  Copyright (c) 2010 - 2013 IBM Corporation
+ *  Authors:
+ *    Stefan Berger <stefanb@us.ibm.com>
+ *
+ *  Copyright (C) 2011 IAIK, Graz University of Technology
+ *    Author: Andreas Niederl
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "qemu/sockets.h"
+#include "io/channel-socket.h"
+#include "sysemu/tpm_backend.h"
+#include "tpm_int.h"
+#include "hw/hw.h"
+#include "hw/i386/pc.h"
+#include "tpm_util.h"
+#include "tpm_ioctl.h"
+#include "migration/blocker.h"
+#include "qapi/error.h"
+#include "qapi/clone-visitor.h"
+#include "chardev/char-fe.h"
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+
+#define DEBUG_TPM 0
+
+#define DPRINTF(fmt, ...) do { \
+    if (DEBUG_TPM) { \
+        fprintf(stderr, "tpm-emulator:"fmt"\n", ## __VA_ARGS__); \
+    } \
+} while (0)
+
+#define TYPE_TPM_EMULATOR "tpm-emulator"
+#define TPM_EMULATOR(obj) \
+    OBJECT_CHECK(TPMEmulator, (obj), TYPE_TPM_EMULATOR)
+
+#define TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(S, cap) (((S)->caps & (cap)) == (cap))
+
+static const TPMDriverOps tpm_emulator_driver;
+
+/* data structures */
+typedef struct TPMEmulator {
+    TPMBackend parent;
+
+    TPMEmulatorOptions *options;
+    CharBackend ctrl_chr;
+    QIOChannel *data_ioc;
+    TPMVersion tpm_version;
+    ptm_cap caps; /* capabilities of the TPM */
+    uint8_t cur_locty_number; /* last set locality */
+    Error *migration_blocker;
+} TPMEmulator;
+
+
+static int tpm_emulator_ctrlcmd(CharBackend *dev, unsigned long cmd, void *msg,
+                                size_t msg_len_in, size_t msg_len_out)
+{
+    uint32_t cmd_no = cpu_to_be32(cmd);
+    ssize_t n = sizeof(uint32_t) + msg_len_in;
+    uint8_t *buf = NULL;
+
+    buf = g_alloca(n);
+    memcpy(buf, &cmd_no, sizeof(cmd_no));
+    memcpy(buf + sizeof(cmd_no), msg, msg_len_in);
+
+    n = qemu_chr_fe_write_all(dev, buf, n);
+    if (n <= 0) {
+        return -1;
+    }
+
+    if (msg_len_out != 0) {
+        n = qemu_chr_fe_read_all(dev, msg, msg_len_out);
+        if (n <= 0) {
+            return -1;
+        }
+    }
+
+    return 0;
+}
+
+static int tpm_emulator_unix_tx_bufs(TPMEmulator *tpm_emu,
+                                     const uint8_t *in, uint32_t in_len,
+                                     uint8_t *out, uint32_t out_len,
+                                     bool *selftest_done,
+                                     Error **err)
+{
+    ssize_t ret;
+    bool is_selftest = false;
+    const struct tpm_resp_hdr *hdr = NULL;
+
+    if (selftest_done) {
+        *selftest_done = false;
+        is_selftest = tpm_util_is_selftest(in, in_len);
+    }
+
+    ret = qio_channel_write_all(tpm_emu->data_ioc, (char *)in, in_len, err);
+    if (ret != 0) {
+        return -1;
+    }
+
+    ret = qio_channel_read_all(tpm_emu->data_ioc, (char *)out, sizeof(*hdr),
+                               err);
+    if (ret != 0) {
+        return -1;
+    }
+
+    hdr = (struct tpm_resp_hdr *)out;
+    out += sizeof(*hdr);
+    ret = qio_channel_read_all(tpm_emu->data_ioc, (char *)out,
+                               be32_to_cpu(hdr->len) - sizeof(*hdr) , err);
+    if (ret != 0) {
+        return -1;
+    }
+
+    if (is_selftest) {
+        *selftest_done = (be32_to_cpu(hdr->errcode) == 0);
+    }
+
+    return 0;
+}
+
+static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number)
+{
+    ptm_loc loc;
+
+    DPRINTF("%s : locality: 0x%x", __func__, locty_number);
+
+    if (tpm_emu->cur_locty_number == locty_number) {
+        return 0;
+    }
+
+    DPRINTF("setting locality : 0x%x", locty_number);
+    loc.u.req.loc = locty_number;
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_SET_LOCALITY, &loc,
+                             sizeof(loc), sizeof(loc)) < 0) {
+        error_report("tpm-emulator: could not set locality : %s",
+                     strerror(errno));
+        return -1;
+    }
+
+    loc.u.resp.tpm_result = be32_to_cpu(loc.u.resp.tpm_result);
+    if (loc.u.resp.tpm_result != 0) {
+        error_report("tpm-emulator: TPM result for set locality : 0x%x",
+                     loc.u.resp.tpm_result);
+        return -1;
+    }
+
+    tpm_emu->cur_locty_number = locty_number;
+
+    return 0;
+}
+
+static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd cmd)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+    TPMLocality *locty = NULL;
+    bool selftest_done = false;
+    Error *err = NULL;
+
+    DPRINTF("processing command type %d", cmd);
+
+    switch (cmd) {
+    case TPM_BACKEND_CMD_PROCESS_CMD:
+        locty = tb->tpm_state->locty_data;
+        if (tpm_emulator_set_locality(tpm_emu,
+                                      tb->tpm_state->locty_number) < 0 ||
+            tpm_emulator_unix_tx_bufs(tpm_emu, locty->w_buffer.buffer,
+                                      locty->w_offset, locty->r_buffer.buffer,
+                                      locty->r_buffer.size, &selftest_done,
+                                      &err) < 0) {
+            tpm_util_write_fatal_error_response(locty->r_buffer.buffer,
+                                                locty->r_buffer.size);
+            error_report_err(err);
+        }
+
+        tb->recv_data_callback(tb->tpm_state, tb->tpm_state->locty_number,
+                               selftest_done);
+
+        break;
+    case TPM_BACKEND_CMD_INIT:
+    case TPM_BACKEND_CMD_END:
+    case TPM_BACKEND_CMD_TPM_RESET:
+        /* nothing to do */
+        break;
+    }
+}
+
+static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu)
+{
+    DPRINTF("%s", __func__);
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_GET_CAPABILITY,
+                         &tpm_emu->caps, 0, sizeof(tpm_emu->caps)) < 0) {
+        error_report("tpm-emulator: probing failed : %s", strerror(errno));
+        return -1;
+    }
+
+    tpm_emu->caps = be64_to_cpu(tpm_emu->caps);
+
+    DPRINTF("capabilities : 0x%"PRIx64, tpm_emu->caps);
+
+    return 0;
+}
+
+static int tpm_emulator_check_caps(TPMEmulator *tpm_emu)
+{
+    ptm_cap caps = 0;
+    const char *tpm = NULL;
+
+    /* check for min. required capabilities */
+    switch (tpm_emu->tpm_version) {
+    case TPM_VERSION_1_2:
+        caps = PTM_CAP_INIT | PTM_CAP_SHUTDOWN | PTM_CAP_GET_TPMESTABLISHED |
+               PTM_CAP_SET_LOCALITY | PTM_CAP_SET_DATAFD;
+        tpm = "1.2";
+        break;
+    case TPM_VERSION_2_0:
+        caps = PTM_CAP_INIT | PTM_CAP_SHUTDOWN | PTM_CAP_GET_TPMESTABLISHED |
+               PTM_CAP_SET_LOCALITY | PTM_CAP_RESET_TPMESTABLISHED |
+               PTM_CAP_SET_DATAFD;
+        tpm = "2";
+        break;
+    case TPM_VERSION_UNSPEC:
+        error_report("tpm-emulator: TPM version has not been set");
+        return -1;
+    }
+
+    if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, caps)) {
+        error_report("tpm-emulator: TPM does not implement minimum set of "
+                     "required capabilities for TPM %s (0x%x)", tpm, (int)caps);
+        return -1;
+    }
+
+    return 0;
+}
+
+static int tpm_emulator_startup_tpm(TPMBackend *tb)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+    ptm_init init;
+    ptm_res res;
+
+    DPRINTF("%s", __func__);
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_INIT, &init, sizeof(init),
+                         sizeof(init)) < 0) {
+        error_report("tpm-emulator: could not send INIT: %s",
+                     strerror(errno));
+        goto err_exit;
+    }
+
+    res = be32_to_cpu(init.u.resp.tpm_result);
+    if (res) {
+        error_report("tpm-emulator: TPM result for CMD_INIT: 0x%x", res);
+        goto err_exit;
+    }
+    return 0;
+
+err_exit:
+    return -1;
+}
+
+static bool tpm_emulator_get_tpm_established_flag(TPMBackend *tb)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+    ptm_est est;
+
+    DPRINTF("%s", __func__);
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_GET_TPMESTABLISHED, &est,
+                             0, sizeof(est)) < 0) {
+        error_report("tpm-emulator: Could not get the TPM established flag: %s",
+                     strerror(errno));
+        return false;
+    }
+    DPRINTF("established flag: %0x", est.u.resp.bit);
+
+    return (est.u.resp.bit != 0);
+}
+
+static int tpm_emulator_reset_tpm_established_flag(TPMBackend *tb,
+                                                   uint8_t locty)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+    ptm_reset_est reset_est;
+    ptm_res res;
+
+    /* only a TPM 2.0 will support this */
+    if (tpm_emu->tpm_version != TPM_VERSION_2_0) {
+        return 0;
+    }
+
+    reset_est.u.req.loc = tpm_emu->cur_locty_number;
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_RESET_TPMESTABLISHED,
+                             &reset_est, sizeof(reset_est),
+                             sizeof(reset_est)) < 0) {
+        error_report("tpm-emulator: Could not reset the establishment bit: %s",
+                     strerror(errno));
+        return -1;
+    }
+
+    res = be32_to_cpu(reset_est.u.resp.tpm_result);
+    if (res) {
+        error_report("tpm-emulator: TPM result for rest establixhed flag: 0x%x",
+                     res);
+        return -1;
+    }
+
+    return 0;
+}
+
+static void tpm_emulator_cancel_cmd(TPMBackend *tb)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+    ptm_res res;
+
+    if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, PTM_CAP_CANCEL_TPM_CMD)) {
+        DPRINTF("Backend does not support CANCEL_TPM_CMD");
+        return;
+    }
+
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_CANCEL_TPM_CMD, &res, 0,
+                             sizeof(res)) < 0) {
+        error_report("tpm-emulator: Could not cancel command: %s",
+                     strerror(errno));
+    } else if (res != 0) {
+        error_report("tpm-emulator: Failed to cancel TPM: 0x%x",
+                     be32_to_cpu(res));
+    }
+}
+
+static TPMVersion tpm_emulator_get_tpm_version(TPMBackend *tb)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+
+    return tpm_emu->tpm_version;
+}
+
+static int tpm_emulator_block_migration(TPMEmulator *tpm_emu)
+{
+    Error *err = NULL;
+
+    error_setg(&tpm_emu->migration_blocker,
+               "Migration disabled: TPM emulator not yet migratable");
+    migrate_add_blocker(tpm_emu->migration_blocker, &err);
+    if (err) {
+        error_report_err(err);
+        error_free(tpm_emu->migration_blocker);
+        tpm_emu->migration_blocker = NULL;
+
+        return -1;
+    }
+
+    return 0;
+}
+
+static int tpm_emulator_prepare_data_fd(TPMEmulator *tpm_emu)
+{
+    ptm_res res;
+    Error *err = NULL;
+    int fds[2] = { -1, -1 };
+
+    if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) < 0) {
+        error_report("tpm-emulator: Failed to create socketpair");
+        return -1;
+    }
+
+    qemu_chr_fe_set_msgfds(&tpm_emu->ctrl_chr, fds + 1, 1);
+
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_SET_DATAFD, &res, 0,
+                    sizeof(res)) || res != 0) {
+        error_report("tpm-emulator: Failed to send CMD_SET_DATAFD: %s",
+                     strerror(errno));
+        goto err_exit;
+    }
+
+    tpm_emu->data_ioc = QIO_CHANNEL(qio_channel_socket_new_fd(fds[0], &err));
+    if (err) {
+        error_prepend(&err, "tpm-emulator: Failed to create io channel: ");
+        error_report_err(err);
+        goto err_exit;
+    }
+
+    closesocket(fds[1]);
+
+    return 0;
+
+err_exit:
+    closesocket(fds[0]);
+    closesocket(fds[1]);
+    return -1;
+}
+
+static int tpm_emulator_handle_device_opts(TPMEmulator *tpm_emu, QemuOpts *opts)
+{
+    const char *value;
+
+    value = qemu_opt_get(opts, "chardev");
+    if (value) {
+        Error *err = NULL;
+        Chardev *dev = qemu_chr_find(value);
+
+        if (!dev) {
+            error_report("tpm-emulator: tpm chardev '%s' not found.", value);
+            goto err;
+        }
+
+        if (!qemu_chr_fe_init(&tpm_emu->ctrl_chr, dev, &err)) {
+            error_prepend(&err, "tpm-emulator: No valid chardev found at '%s':",
+                          value);
+            error_report_err(err);
+            goto err;
+        }
+
+        tpm_emu->options->chardev = g_strdup(value);
+    }
+
+    if (tpm_emulator_prepare_data_fd(tpm_emu) < 0) {
+        goto err;
+    }
+
+    /* FIXME: tpm_util_test_tpmdev() accepts only on socket fd, as it also used
+     * by passthrough driver, which not yet using GIOChannel.
+     */
+    if (tpm_util_test_tpmdev(QIO_CHANNEL_SOCKET(tpm_emu->data_ioc)->fd,
+                             &tpm_emu->tpm_version)) {
+        error_report("'%s' is not emulating TPM device. Error: %s",
+                      tpm_emu->options->chardev, strerror(errno));
+        goto err;
+    }
+
+    DPRINTF("TPM Version %s", tpm_emu->tpm_version == TPM_VERSION_1_2 ? "1.2" :
+            (tpm_emu->tpm_version == TPM_VERSION_2_0 ?  "2.0" : "Unspecified"));
+
+    if (tpm_emulator_probe_caps(tpm_emu) ||
+        tpm_emulator_check_caps(tpm_emu)) {
+        goto err;
+    }
+
+    return tpm_emulator_block_migration(tpm_emu);
+
+err:
+    DPRINTF("Startup error");
+    return -1;
+}
+
+static TPMBackend *tpm_emulator_create(QemuOpts *opts, const char *id)
+{
+    TPMBackend *tb = TPM_BACKEND(object_new(TYPE_TPM_EMULATOR));
+
+    tb->id = g_strdup(id);
+
+    if (tpm_emulator_handle_device_opts(TPM_EMULATOR(tb), opts)) {
+        goto err_exit;
+    }
+
+    return tb;
+
+err_exit:
+    object_unref(OBJECT(tb));
+
+    return NULL;
+}
+
+static TpmTypeOptions *tpm_emulator_get_tpm_options(TPMBackend *tb)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+    TpmTypeOptions *options = g_new0(TpmTypeOptions, 1);
+
+    options->type = TPM_TYPE_OPTIONS_KIND_EMULATOR;
+    options->u.emulator.data = QAPI_CLONE(TPMEmulatorOptions, tpm_emu->options);
+
+    return options;
+}
+
+static const QemuOptDesc tpm_emulator_cmdline_opts[] = {
+    TPM_STANDARD_CMDLINE_OPTS,
+    {
+        .name = "chardev",
+        .type = QEMU_OPT_STRING,
+        .help = "Character device to use for out-of-band control messages",
+    },
+    { /* end of list */ },
+};
+
+static const TPMDriverOps tpm_emulator_driver = {
+    .type                     = TPM_TYPE_EMULATOR,
+    .opts                     = tpm_emulator_cmdline_opts,
+    .desc                     = "TPM emulator backend driver",
+
+    .create                   = tpm_emulator_create,
+    .startup_tpm              = tpm_emulator_startup_tpm,
+    .cancel_cmd               = tpm_emulator_cancel_cmd,
+    .get_tpm_established_flag = tpm_emulator_get_tpm_established_flag,
+    .reset_tpm_established_flag = tpm_emulator_reset_tpm_established_flag,
+    .get_tpm_version          = tpm_emulator_get_tpm_version,
+    .get_tpm_options          = tpm_emulator_get_tpm_options,
+};
+
+static void tpm_emulator_inst_init(Object *obj)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
+
+    DPRINTF("%s", __func__);
+    tpm_emu->options = g_new0(TPMEmulatorOptions, 1);
+    tpm_emu->cur_locty_number = ~0;
+}
+
+/*
+ * Gracefully shut down the external TPM
+ */
+static void tpm_emulator_shutdown(TPMEmulator *tpm_emu)
+{
+    ptm_res res;
+
+    if (tpm_emulator_ctrlcmd(&tpm_emu->ctrl_chr, CMD_SHUTDOWN, &res, 0,
+                             sizeof(res)) < 0) {
+        error_report("tpm-emulator: Could not cleanly shutdown the TPM: %s",
+                     strerror(errno));
+    } else if (res != 0) {
+        error_report("tpm-emulator: TPM result for sutdown: 0x%x",
+                     be32_to_cpu(res));
+    }
+}
+
+static void tpm_emulator_inst_finalize(Object *obj)
+{
+    TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
+
+    tpm_emulator_shutdown(tpm_emu);
+
+    object_unref(OBJECT(tpm_emu->data_ioc));
+
+    qemu_chr_fe_deinit(&tpm_emu->ctrl_chr, false);
+
+    qapi_free_TPMEmulatorOptions(tpm_emu->options);
+
+    if (tpm_emu->migration_blocker) {
+        migrate_del_blocker(tpm_emu->migration_blocker);
+        error_free(tpm_emu->migration_blocker);
+    }
+}
+
+static void tpm_emulator_class_init(ObjectClass *klass, void *data)
+{
+    TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
+    tbc->ops = &tpm_emulator_driver;
+    tbc->handle_request = tpm_emulator_handle_request;
+}
+
+static const TypeInfo tpm_emulator_info = {
+    .name = TYPE_TPM_EMULATOR,
+    .parent = TYPE_TPM_BACKEND,
+    .instance_size = sizeof(TPMEmulator),
+    .class_init = tpm_emulator_class_init,
+    .instance_init = tpm_emulator_inst_init,
+    .instance_finalize = tpm_emulator_inst_finalize,
+};
+
+static void tpm_emulator_register(void)
+{
+    type_register_static(&tpm_emulator_info);
+    tpm_register_driver(&tpm_emulator_driver);
+}
+
+type_init(tpm_emulator_register)
diff --git a/hw/tpm/tpm_ioctl.h b/hw/tpm/tpm_ioctl.h
new file mode 100644
index 0000000000..33564b11de
--- /dev/null
+++ b/hw/tpm/tpm_ioctl.h
@@ -0,0 +1,246 @@
+/*
+ * tpm_ioctl.h
+ *
+ * (c) Copyright IBM Corporation 2014, 2015.
+ *
+ * This file is licensed under the terms of the 3-clause BSD license
+ */
+#ifndef _TPM_IOCTL_H_
+#define _TPM_IOCTL_H_
+
+#include <stdint.h>
+#include <sys/uio.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+/*
+ * Every response from a command involving a TPM command execution must hold
+ * the ptm_res as the first element.
+ * ptm_res corresponds to the error code of a command executed by the TPM.
+ */
+
+typedef uint32_t ptm_res;
+
+/* PTM_GET_TPMESTABLISHED: get the establishment bit */
+struct ptm_est {
+    union {
+        struct {
+            ptm_res tpm_result;
+            unsigned char bit; /* TPM established bit */
+        } resp; /* response */
+    } u;
+};
+
+/* PTM_RESET_TPMESTABLISHED: reset establishment bit */
+struct ptm_reset_est {
+    union {
+        struct {
+            uint8_t loc; /* locality to use */
+        } req; /* request */
+        struct {
+            ptm_res tpm_result;
+        } resp; /* response */
+    } u;
+};
+
+/* PTM_INIT */
+struct ptm_init {
+    union {
+        struct {
+            uint32_t init_flags; /* see definitions below */
+        } req; /* request */
+        struct {
+            ptm_res tpm_result;
+        } resp; /* response */
+    } u;
+};
+
+/* above init_flags */
+#define PTM_INIT_FLAG_DELETE_VOLATILE (1 << 0)
+    /* delete volatile state file after reading it */
+
+/* PTM_SET_LOCALITY */
+struct ptm_loc {
+    union {
+        struct {
+            uint8_t loc; /* locality to set */
+        } req; /* request */
+        struct {
+            ptm_res tpm_result;
+        } resp; /* response */
+    } u;
+};
+
+/* PTM_HASH_DATA: hash given data */
+struct ptm_hdata {
+    union {
+        struct {
+            uint32_t length;
+            uint8_t data[4096];
+        } req; /* request */
+        struct {
+            ptm_res tpm_result;
+        } resp; /* response */
+    } u;
+};
+
+/*
+ * size of the TPM state blob to transfer; x86_64 can handle 8k,
+ * ppc64le only ~7k; keep the response below a 4k page size
+ */
+#define PTM_STATE_BLOB_SIZE (3 * 1024)
+
+/*
+ * The following is the data structure to get state blobs from the TPM.
+ * If the size of the state blob exceeds the PTM_STATE_BLOB_SIZE, multiple reads
+ * with this ioctl and with adjusted offset are necessary. All bytes
+ * must be transferred and the transfer is done once the last byte has been
+ * returned.
+ * It is possible to use the read() interface for reading the data; however, the
+ * first bytes of the state blob will be part of the response to the ioctl(); a
+ * subsequent read() is only necessary if the total length (totlength) exceeds
+ * the number of received bytes. seek() is not supported.
+ */
+struct ptm_getstate {
+    union {
+        struct {
+            uint32_t state_flags; /* may be: PTM_STATE_FLAG_DECRYPTED */
+            uint32_t type;        /* which blob to pull */
+            uint32_t offset;      /* offset from where to read */
+        } req; /* request */
+        struct {
+            ptm_res tpm_result;
+            uint32_t state_flags; /* may be: PTM_STATE_FLAG_ENCRYPTED */
+            uint32_t totlength;   /* total length that will be transferred */
+            uint32_t length;      /* number of bytes in following buffer */
+            uint8_t  data[PTM_STATE_BLOB_SIZE];
+        } resp; /* response */
+    } u;
+};
+
+/* TPM state blob types */
+#define PTM_BLOB_TYPE_PERMANENT  1
+#define PTM_BLOB_TYPE_VOLATILE   2
+#define PTM_BLOB_TYPE_SAVESTATE  3
+
+/* state_flags above : */
+#define PTM_STATE_FLAG_DECRYPTED     1 /* on input:  get decrypted state */
+#define PTM_STATE_FLAG_ENCRYPTED     2 /* on output: state is encrypted */
+
+/*
+ * The following is the data structure to set state blobs in the TPM.
+ * If the size of the state blob exceeds the PTM_STATE_BLOB_SIZE, multiple
+ * 'writes' using this ioctl are necessary. The last packet is indicated
+ * by the length being smaller than the PTM_STATE_BLOB_SIZE.
+ * The very first packet may have a length indicator of '0' enabling
+ * a write() with all the bytes from a buffer. If the write() interface
+ * is used, a final ioctl with a non-full buffer must be made to indicate
+ * that all data were transferred (a write with 0 bytes would not work).
+ */
+struct ptm_setstate {
+    union {
+        struct {
+            uint32_t state_flags; /* may be PTM_STATE_FLAG_ENCRYPTED */
+            uint32_t type;        /* which blob to set */
+            uint32_t length;      /* length of the data;
+                                     use 0 on the first packet to
+                                     transfer using write() */
+            uint8_t data[PTM_STATE_BLOB_SIZE];
+        } req; /* request */
+        struct {
+            ptm_res tpm_result;
+        } resp; /* response */
+    } u;
+};
+
+/*
+ * PTM_GET_CONFIG: Data structure to get runtime configuration information
+ * such as which keys are applied.
+ */
+struct ptm_getconfig {
+    union {
+        struct {
+            ptm_res tpm_result;
+            uint32_t flags;
+        } resp; /* response */
+    } u;
+};
+
+#define PTM_CONFIG_FLAG_FILE_KEY        0x1
+#define PTM_CONFIG_FLAG_MIGRATION_KEY   0x2
+
+
+typedef uint64_t ptm_cap;
+typedef struct ptm_est ptm_est;
+typedef struct ptm_reset_est ptm_reset_est;
+typedef struct ptm_loc ptm_loc;
+typedef struct ptm_hdata ptm_hdata;
+typedef struct ptm_init ptm_init;
+typedef struct ptm_getstate ptm_getstate;
+typedef struct ptm_setstate ptm_setstate;
+typedef struct ptm_getconfig ptm_getconfig;
+
+/* capability flags returned by PTM_GET_CAPABILITY */
+#define PTM_CAP_INIT               (1)
+#define PTM_CAP_SHUTDOWN           (1 << 1)
+#define PTM_CAP_GET_TPMESTABLISHED (1 << 2)
+#define PTM_CAP_SET_LOCALITY       (1 << 3)
+#define PTM_CAP_HASHING            (1 << 4)
+#define PTM_CAP_CANCEL_TPM_CMD     (1 << 5)
+#define PTM_CAP_STORE_VOLATILE     (1 << 6)
+#define PTM_CAP_RESET_TPMESTABLISHED (1 << 7)
+#define PTM_CAP_GET_STATEBLOB      (1 << 8)
+#define PTM_CAP_SET_STATEBLOB      (1 << 9)
+#define PTM_CAP_STOP               (1 << 10)
+#define PTM_CAP_GET_CONFIG         (1 << 11)
+#define PTM_CAP_SET_DATAFD         (1 << 12)
+
+enum {
+    PTM_GET_CAPABILITY     = _IOR('P', 0, ptm_cap),
+    PTM_INIT               = _IOWR('P', 1, ptm_init),
+    PTM_SHUTDOWN           = _IOR('P', 2, ptm_res),
+    PTM_GET_TPMESTABLISHED = _IOR('P', 3, ptm_est),
+    PTM_SET_LOCALITY       = _IOWR('P', 4, ptm_loc),
+    PTM_HASH_START         = _IOR('P', 5, ptm_res),
+    PTM_HASH_DATA          = _IOWR('P', 6, ptm_hdata),
+    PTM_HASH_END           = _IOR('P', 7, ptm_res),
+    PTM_CANCEL_TPM_CMD     = _IOR('P', 8, ptm_res),
+    PTM_STORE_VOLATILE     = _IOR('P', 9, ptm_res),
+    PTM_RESET_TPMESTABLISHED = _IOWR('P', 10, ptm_reset_est),
+    PTM_GET_STATEBLOB      = _IOWR('P', 11, ptm_getstate),
+    PTM_SET_STATEBLOB      = _IOWR('P', 12, ptm_setstate),
+    PTM_STOP               = _IOR('P', 13, ptm_res),
+    PTM_GET_CONFIG         = _IOR('P', 14, ptm_getconfig),
+    PTM_SET_DATAFD         = _IOR('P', 15, ptm_res),
+};
+
+/*
+ * Commands used by the non-CUSE TPMs
+ *
+ * All messages container big-endian data.
+ *
+ * The return messages only contain the 'resp' part of the unions
+ * in the data structures above. Besides that the limits in the
+ * buffers above (ptm_hdata:u.req.data and ptm_get_state:u.resp.data
+ * and ptm_set_state:u.req.data) are 0xffffffff.
+ */
+enum {
+    CMD_GET_CAPABILITY = 1,
+    CMD_INIT,
+    CMD_SHUTDOWN,
+    CMD_GET_TPMESTABLISHED,
+    CMD_SET_LOCALITY,
+    CMD_HASH_START,
+    CMD_HASH_DATA,
+    CMD_HASH_END,
+    CMD_CANCEL_TPM_CMD,
+    CMD_STORE_VOLATILE,
+    CMD_RESET_TPMESTABLISHED,
+    CMD_GET_STATEBLOB,
+    CMD_SET_STATEBLOB,
+    CMD_STOP,
+    CMD_GET_CONFIG,
+    CMD_SET_DATAFD
+};
+
+#endif /* _TPM_IOCTL_H */
diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index 9234eb3459..e6ace28b04 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -30,7 +30,7 @@
 #include "tpm_int.h"
 #include "hw/hw.h"
 #include "hw/i386/pc.h"
-#include "sysemu/tpm_backend_int.h"
+#include "qapi/clone-visitor.h"
 #include "tpm_tis.h"
 #include "tpm_util.h"
 
@@ -46,29 +46,16 @@
 #define TPM_PASSTHROUGH(obj) \
     OBJECT_CHECK(TPMPassthruState, (obj), TYPE_TPM_PASSTHROUGH)
 
-static const TPMDriverOps tpm_passthrough_driver;
-
 /* data structures */
-typedef struct TPMPassthruThreadParams {
-    TPMState *tpm_state;
-
-    TPMRecvDataCB *recv_data_callback;
-    TPMBackend *tb;
-} TPMPassthruThreadParams;
-
 struct TPMPassthruState {
     TPMBackend parent;
 
-    TPMBackendThread tbt;
-
-    TPMPassthruThreadParams tpm_thread_params;
-
-    char *tpm_dev;
+    TPMPassthroughOptions *options;
+    const char *tpm_dev;
     int tpm_fd;
     bool tpm_executing;
     bool tpm_op_canceled;
     int cancel_fd;
-    bool had_startup_error;
 
     TPMVersion tpm_version;
 };
@@ -81,27 +68,6 @@ typedef struct TPMPassthruState TPMPassthruState;
 
 static void tpm_passthrough_cancel_cmd(TPMBackend *tb);
 
-static int tpm_passthrough_unix_write(int fd, const uint8_t *buf, uint32_t len)
-{
-    int ret, remain;
-
-    remain = len;
-    while (remain > 0) {
-        ret = write(fd, buf, remain);
-        if (ret < 0) {
-            if (errno != EINTR && errno != EAGAIN) {
-                return -1;
-            }
-        } else if (ret == 0) {
-            break;
-        } else {
-            buf += ret;
-            remain -= ret;
-        }
-    }
-    return len - remain;
-}
-
 static int tpm_passthrough_unix_read(int fd, uint8_t *buf, uint32_t len)
 {
     int ret;
@@ -115,45 +81,12 @@ static int tpm_passthrough_unix_read(int fd, uint8_t *buf, uint32_t len)
     }
     return ret;
 }
-
-static uint32_t tpm_passthrough_get_size_from_buffer(const uint8_t *buf)
-{
-    struct tpm_resp_hdr *resp = (struct tpm_resp_hdr *)buf;
-
-    return be32_to_cpu(resp->len);
-}
-
-/*
- * Write an error message in the given output buffer.
- */
-static void tpm_write_fatal_error_response(uint8_t *out, uint32_t out_len)
-{
-    if (out_len >= sizeof(struct tpm_resp_hdr)) {
-        struct tpm_resp_hdr *resp = (struct tpm_resp_hdr *)out;
-
-        resp->tag = cpu_to_be16(TPM_TAG_RSP_COMMAND);
-        resp->len = cpu_to_be32(sizeof(struct tpm_resp_hdr));
-        resp->errcode = cpu_to_be32(TPM_FAIL);
-    }
-}
-
-static bool tpm_passthrough_is_selftest(const uint8_t *in, uint32_t in_len)
-{
-    struct tpm_req_hdr *hdr = (struct tpm_req_hdr *)in;
-
-    if (in_len >= sizeof(*hdr)) {
-        return (be32_to_cpu(hdr->ordinal) == TPM_ORD_ContinueSelfTest);
-    }
-
-    return false;
-}
-
 static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
                                         const uint8_t *in, uint32_t in_len,
                                         uint8_t *out, uint32_t out_len,
                                         bool *selftest_done)
 {
-    int ret;
+    ssize_t ret;
     bool is_selftest;
     const struct tpm_resp_hdr *hdr;
 
@@ -161,9 +94,9 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
     tpm_pt->tpm_executing = true;
     *selftest_done = false;
 
-    is_selftest = tpm_passthrough_is_selftest(in, in_len);
+    is_selftest = tpm_util_is_selftest(in, in_len);
 
-    ret = tpm_passthrough_unix_write(tpm_pt->tpm_fd, in, in_len);
+    ret = qemu_write_full(tpm_pt->tpm_fd, (const void *)in, (size_t)in_len);
     if (ret != in_len) {
         if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {
             error_report("tpm_passthrough: error while transmitting data "
@@ -183,7 +116,7 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
                          strerror(errno), errno);
         }
     } else if (ret < sizeof(struct tpm_resp_hdr) ||
-               tpm_passthrough_get_size_from_buffer(out) != ret) {
+               be32_to_cpu(((struct tpm_resp_hdr *)out)->len) != ret) {
         ret = -1;
         error_report("tpm_passthrough: received invalid response "
                      "packet from TPM");
@@ -196,7 +129,7 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
 
 err_exit:
     if (ret < 0) {
-        tpm_write_fatal_error_response(out, out_len);
+        tpm_util_write_fatal_error_response(out, out_len);
     }
 
     tpm_pt->tpm_executing = false;
@@ -216,12 +149,9 @@ static int tpm_passthrough_unix_transfer(TPMPassthruState *tpm_pt,
                                         selftest_done);
 }
 
-static void tpm_passthrough_worker_thread(gpointer data,
-                                          gpointer user_data)
+static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd cmd)
 {
-    TPMPassthruThreadParams *thr_parms = user_data;
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(thr_parms->tb);
-    TPMBackendCmd cmd = (TPMBackendCmd)data;
+    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
     bool selftest_done = false;
 
     DPRINTF("tpm_passthrough: processing command type %d\n", cmd);
@@ -229,12 +159,12 @@ static void tpm_passthrough_worker_thread(gpointer data,
     switch (cmd) {
     case TPM_BACKEND_CMD_PROCESS_CMD:
         tpm_passthrough_unix_transfer(tpm_pt,
-                                      thr_parms->tpm_state->locty_data,
+                                      tb->tpm_state->locty_data,
                                       &selftest_done);
 
-        thr_parms->recv_data_callback(thr_parms->tpm_state,
-                                      thr_parms->tpm_state->locty_number,
-                                      selftest_done);
+        tb->recv_data_callback(tb->tpm_state,
+                               tb->tpm_state->locty_number,
+                               selftest_done);
         break;
     case TPM_BACKEND_CMD_INIT:
     case TPM_BACKEND_CMD_END:
@@ -244,47 +174,11 @@ static void tpm_passthrough_worker_thread(gpointer data,
     }
 }
 
-/*
- * Start the TPM (thread). If it had been started before, then terminate
- * and start it again.
- */
-static int tpm_passthrough_startup_tpm(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    /* terminate a running TPM */
-    tpm_backend_thread_end(&tpm_pt->tbt);
-
-    tpm_backend_thread_create(&tpm_pt->tbt,
-                              tpm_passthrough_worker_thread,
-                              &tpm_pt->tpm_thread_params);
-
-    return 0;
-}
-
 static void tpm_passthrough_reset(TPMBackend *tb)
 {
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
     DPRINTF("tpm_passthrough: CALL TO TPM_RESET!\n");
 
     tpm_passthrough_cancel_cmd(tb);
-
-    tpm_backend_thread_end(&tpm_pt->tbt);
-
-    tpm_pt->had_startup_error = false;
-}
-
-static int tpm_passthrough_init(TPMBackend *tb, TPMState *s,
-                                TPMRecvDataCB *recv_data_cb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    tpm_pt->tpm_thread_params.tpm_state = s;
-    tpm_pt->tpm_thread_params.recv_data_callback = recv_data_cb;
-    tpm_pt->tpm_thread_params.tb = tb;
-
-    return 0;
 }
 
 static bool tpm_passthrough_get_tpm_established_flag(TPMBackend *tb)
@@ -299,31 +193,6 @@ static int tpm_passthrough_reset_tpm_established_flag(TPMBackend *tb,
     return 0;
 }
 
-static bool tpm_passthrough_get_startup_error(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    return tpm_pt->had_startup_error;
-}
-
-static size_t tpm_passthrough_realloc_buffer(TPMSizedBuffer *sb)
-{
-    size_t wanted_size = 4096; /* Linux tpm.c buffer size */
-
-    if (sb->size != wanted_size) {
-        sb->buffer = g_realloc(sb->buffer, wanted_size);
-        sb->size = wanted_size;
-    }
-    return sb->size;
-}
-
-static void tpm_passthrough_deliver_request(TPMBackend *tb)
-{
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
-
-    tpm_backend_thread_deliver_request(&tpm_pt->tbt);
-}
-
 static void tpm_passthrough_cancel_cmd(TPMBackend *tb)
 {
     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
@@ -351,11 +220,6 @@ static void tpm_passthrough_cancel_cmd(TPMBackend *tb)
     }
 }
 
-static const char *tpm_passthrough_create_desc(void)
-{
-    return "Passthrough TPM backend driver";
-}
-
 static TPMVersion tpm_passthrough_get_tpm_version(TPMBackend *tb)
 {
     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
@@ -369,15 +233,14 @@ static TPMVersion tpm_passthrough_get_tpm_version(TPMBackend *tb)
  * in Documentation/ABI/stable/sysfs-class-tpm.
  * From /dev/tpm0 create /sys/class/misc/tpm0/device/cancel
  */
-static int tpm_passthrough_open_sysfs_cancel(TPMBackend *tb)
+static int tpm_passthrough_open_sysfs_cancel(TPMPassthruState *tpm_pt)
 {
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
     int fd = -1;
     char *dev;
     char path[PATH_MAX];
 
-    if (tb->cancel_path) {
-        fd = qemu_open(tb->cancel_path, O_WRONLY);
+    if (tpm_pt->options->cancel_path) {
+        fd = qemu_open(tpm_pt->options->cancel_path, O_WRONLY);
         if (fd < 0) {
             error_report("Could not open TPM cancel path : %s",
                          strerror(errno));
@@ -392,7 +255,7 @@ static int tpm_passthrough_open_sysfs_cancel(TPMBackend *tb)
                      dev) < sizeof(path)) {
             fd = qemu_open(path, O_WRONLY);
             if (fd >= 0) {
-                tb->cancel_path = g_strdup(path);
+                tpm_pt->options->cancel_path = g_strdup(path);
             } else {
                 error_report("tpm_passthrough: Could not open TPM cancel "
                              "path %s : %s", path, strerror(errno));
@@ -412,17 +275,18 @@ static int tpm_passthrough_handle_device_opts(QemuOpts *opts, TPMBackend *tb)
     const char *value;
 
     value = qemu_opt_get(opts, "cancel-path");
-    tb->cancel_path = g_strdup(value);
+    if (value) {
+        tpm_pt->options->cancel_path = g_strdup(value);
+        tpm_pt->options->has_cancel_path = true;
+    }
 
     value = qemu_opt_get(opts, "path");
-    if (!value) {
-        value = TPM_PASSTHROUGH_DEFAULT_DEVICE;
+    if (value) {
+        tpm_pt->options->has_path = true;
+        tpm_pt->options->path = g_strdup(value);
     }
 
-    tpm_pt->tpm_dev = g_strdup(value);
-
-    tb->path = g_strdup(tpm_pt->tpm_dev);
-
+    tpm_pt->tpm_dev = value ? value : TPM_PASSTHROUGH_DEFAULT_DEVICE;
     tpm_pt->tpm_fd = qemu_open(tpm_pt->tpm_dev, O_RDWR);
     if (tpm_pt->tpm_fd < 0) {
         error_report("Cannot access TPM device using '%s': %s",
@@ -443,10 +307,8 @@ static int tpm_passthrough_handle_device_opts(QemuOpts *opts, TPMBackend *tb)
     tpm_pt->tpm_fd = -1;
 
  err_free_parameters:
-    g_free(tb->path);
-    tb->path = NULL;
-
-    g_free(tpm_pt->tpm_dev);
+    qapi_free_TPMPassthroughOptions(tpm_pt->options);
+    tpm_pt->options = NULL;
     tpm_pt->tpm_dev = NULL;
 
     return 1;
@@ -459,16 +321,12 @@ static TPMBackend *tpm_passthrough_create(QemuOpts *opts, const char *id)
     TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
 
     tb->id = g_strdup(id);
-    /* let frontend set the fe_model to proper value */
-    tb->fe_model = -1;
-
-    tb->ops = &tpm_passthrough_driver;
 
     if (tpm_passthrough_handle_device_opts(opts, tb)) {
         goto err_exit;
     }
 
-    tpm_pt->cancel_fd = tpm_passthrough_open_sysfs_cancel(tb);
+    tpm_pt->cancel_fd = tpm_passthrough_open_sysfs_cancel(tpm_pt);
     if (tpm_pt->cancel_fd < 0) {
         goto err_exit;
     }
@@ -476,26 +334,20 @@ static TPMBackend *tpm_passthrough_create(QemuOpts *opts, const char *id)
     return tb;
 
 err_exit:
-    g_free(tb->id);
+    object_unref(obj);
 
     return NULL;
 }
 
-static void tpm_passthrough_destroy(TPMBackend *tb)
+static TpmTypeOptions *tpm_passthrough_get_tpm_options(TPMBackend *tb)
 {
-    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
+    TpmTypeOptions *options = g_new0(TpmTypeOptions, 1);
 
-    tpm_passthrough_cancel_cmd(tb);
-
-    tpm_backend_thread_end(&tpm_pt->tbt);
-
-    qemu_close(tpm_pt->tpm_fd);
-    qemu_close(tpm_pt->cancel_fd);
+    options->type = TPM_TYPE_OPTIONS_KIND_PASSTHROUGH;
+    options->u.passthrough.data = QAPI_CLONE(TPMPassthroughOptions,
+                                             TPM_PASSTHROUGH(tb)->options);
 
-    g_free(tb->id);
-    g_free(tb->path);
-    g_free(tb->cancel_path);
-    g_free(tpm_pt->tpm_dev);
+    return options;
 }
 
 static const QemuOptDesc tpm_passthrough_cmdline_opts[] = {
@@ -516,27 +368,34 @@ static const QemuOptDesc tpm_passthrough_cmdline_opts[] = {
 static const TPMDriverOps tpm_passthrough_driver = {
     .type                     = TPM_TYPE_PASSTHROUGH,
     .opts                     = tpm_passthrough_cmdline_opts,
-    .desc                     = tpm_passthrough_create_desc,
+    .desc                     = "Passthrough TPM backend driver",
     .create                   = tpm_passthrough_create,
-    .destroy                  = tpm_passthrough_destroy,
-    .init                     = tpm_passthrough_init,
-    .startup_tpm              = tpm_passthrough_startup_tpm,
-    .realloc_buffer           = tpm_passthrough_realloc_buffer,
     .reset                    = tpm_passthrough_reset,
-    .had_startup_error        = tpm_passthrough_get_startup_error,
-    .deliver_request          = tpm_passthrough_deliver_request,
     .cancel_cmd               = tpm_passthrough_cancel_cmd,
     .get_tpm_established_flag = tpm_passthrough_get_tpm_established_flag,
     .reset_tpm_established_flag = tpm_passthrough_reset_tpm_established_flag,
     .get_tpm_version          = tpm_passthrough_get_tpm_version,
+    .get_tpm_options          = tpm_passthrough_get_tpm_options,
 };
 
 static void tpm_passthrough_inst_init(Object *obj)
 {
+    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(obj);
+
+    tpm_pt->options = g_new0(TPMPassthroughOptions, 1);
+    tpm_pt->tpm_fd = -1;
+    tpm_pt->cancel_fd = -1;
 }
 
 static void tpm_passthrough_inst_finalize(Object *obj)
 {
+    TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(obj);
+
+    tpm_passthrough_cancel_cmd(TPM_BACKEND(obj));
+
+    qemu_close(tpm_pt->tpm_fd);
+    qemu_close(tpm_pt->cancel_fd);
+    qapi_free_TPMPassthroughOptions(tpm_pt->options);
 }
 
 static void tpm_passthrough_class_init(ObjectClass *klass, void *data)
@@ -544,6 +403,7 @@ static void tpm_passthrough_class_init(ObjectClass *klass, void *data)
     TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
 
     tbc->ops = &tpm_passthrough_driver;
+    tbc->handle_request = tpm_passthrough_handle_request;
 }
 
 static const TypeInfo tpm_passthrough_info = {
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index a6440fef91..d5118e7f60 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -963,6 +963,16 @@ static int tpm_tis_do_startup_tpm(TPMState *s)
     return tpm_backend_startup_tpm(s->be_driver);
 }
 
+static void tpm_tis_realloc_buffer(TPMSizedBuffer *sb)
+{
+    size_t wanted_size = 4096; /* Linux tpm.c buffer size */
+
+    if (sb->size != wanted_size) {
+        sb->buffer = g_realloc(sb->buffer, wanted_size);
+        sb->size = wanted_size;
+    }
+}
+
 /*
  * Get the TPMVersion of the backend device being used
  */
@@ -1010,9 +1020,9 @@ static void tpm_tis_reset(DeviceState *dev)
         tis->loc[c].state = TPM_TIS_STATE_IDLE;
 
         tis->loc[c].w_offset = 0;
-        tpm_backend_realloc_buffer(s->be_driver, &tis->loc[c].w_buffer);
+        tpm_tis_realloc_buffer(&tis->loc[c].w_buffer);
         tis->loc[c].r_offset = 0;
-        tpm_backend_realloc_buffer(s->be_driver, &tis->loc[c].r_buffer);
+        tpm_tis_realloc_buffer(&tis->loc[c].r_buffer);
     }
 
     tpm_tis_do_startup_tpm(s);
diff --git a/hw/tpm/tpm_util.c b/hw/tpm/tpm_util.c
index 7b35429725..73d77965fd 100644
--- a/hw/tpm/tpm_util.c
+++ b/hw/tpm/tpm_util.c
@@ -24,6 +24,31 @@
 #include "tpm_int.h"
 
 /*
+ * Write an error message in the given output buffer.
+ */
+void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len)
+{
+    if (out_len >= sizeof(struct tpm_resp_hdr)) {
+        struct tpm_resp_hdr *resp = (struct tpm_resp_hdr *)out;
+
+        resp->tag = cpu_to_be16(TPM_TAG_RSP_COMMAND);
+        resp->len = cpu_to_be32(sizeof(struct tpm_resp_hdr));
+        resp->errcode = cpu_to_be32(TPM_FAIL);
+    }
+}
+
+bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len)
+{
+    struct tpm_req_hdr *hdr = (struct tpm_req_hdr *)in;
+
+    if (in_len >= sizeof(*hdr)) {
+        return (be32_to_cpu(hdr->ordinal) == TPM_ORD_ContinueSelfTest);
+    }
+
+    return false;
+}
+
+/*
  * A basic test of a TPM device. We expect a well formatted response header
  * (error response is fine) within one second.
  */
@@ -43,10 +68,10 @@ static int tpm_util_test(int fd,
 
     n = write(fd, request, requestlen);
     if (n < 0) {
-        return errno;
+        return -errno;
     }
     if (n != requestlen) {
-        return EFAULT;
+        return -EFAULT;
     }
 
     FD_ZERO(&readfds);
@@ -55,18 +80,18 @@ static int tpm_util_test(int fd,
     /* wait for a second */
     n = select(fd + 1, &readfds, NULL, NULL, &tv);
     if (n != 1) {
-        return errno;
+        return -errno;
     }
 
     n = read(fd, &buf, sizeof(buf));
     if (n < sizeof(struct tpm_resp_hdr)) {
-        return EFAULT;
+        return -EFAULT;
     }
 
     resp = (struct tpm_resp_hdr *)buf;
     /* check the header */
     if (be32_to_cpu(resp->len) != n) {
-        return EBADMSG;
+        return -EMSGSIZE;
     }
 
     *return_tag = be16_to_cpu(resp->tag);
diff --git a/hw/tpm/tpm_util.h b/hw/tpm/tpm_util.h
index df76245e6e..2f7c96146d 100644
--- a/hw/tpm/tpm_util.h
+++ b/hw/tpm/tpm_util.h
@@ -24,6 +24,10 @@
 
 #include "sysemu/tpm_backend.h"
 
+void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len);
+
+bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len);
+
 int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
 
 #endif /* TPM_TPM_UTIL_H */
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index 6dedcb8989..8c0fc53a26 100644
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -170,6 +170,10 @@ static const TypeInfo ehci_pci_type_info = {
     .instance_finalize = usb_ehci_pci_finalize,
     .abstract = true,
     .class_init = ehci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void ehci_data_class_init(ObjectClass *klass, void *data)
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 17beeddb09..d4c0293db5 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -2146,6 +2146,10 @@ static const TypeInfo ohci_pci_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(OHCIPCIState),
     .class_init    = ohci_pci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static Property ohci_sysbus_properties[] = {
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index e3562a4c60..836b11f177 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -1323,6 +1323,10 @@ static const TypeInfo uhci_pci_type_info = {
     .class_size    = sizeof(UHCIPCIDeviceClass),
     .abstract = true,
     .class_init = uhci_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void uhci_data_class_init(ObjectClass *klass, void *data)
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index d75c085d94..af3a9d88de 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -3670,6 +3670,11 @@ static const TypeInfo xhci_info = {
     .instance_size = sizeof(XHCIState),
     .class_init    = xhci_class_init,
     .abstract      = true,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { }
+    },
 };
 
 static void qemu_xhci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
index 14291c2a16..60ad5fb91a 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -1198,6 +1198,10 @@ static TypeInfo vfio_pci_igd_lpc_bridge_info = {
     .name = "vfio-pci-igd-lpc-bridge",
     .parent = TYPE_PCI_DEVICE,
     .class_init = vfio_pci_igd_lpc_bridge_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void vfio_pci_igd_register_types(void)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 9e86db7c3b..c977ee327f 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3036,6 +3036,11 @@ static const TypeInfo vfio_pci_dev_info = {
     .class_init = vfio_pci_dev_class_init,
     .instance_init = vfio_instance_init,
     .instance_finalize = vfio_instance_finalize,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { }
+    },
 };
 
 static void register_vfio_pci_dev_type(void)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 5fd69f0b2e..ddc42f0f93 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -375,8 +375,6 @@ static void vhost_log_put(struct vhost_dev *dev, bool sync)
     if (!log) {
         return;
     }
-    dev->log = NULL;
-    dev->log_size = 0;
 
     --log->refcnt;
     if (log->refcnt == 0) {
@@ -396,6 +394,9 @@ static void vhost_log_put(struct vhost_dev *dev, bool sync)
 
         g_free(log);
     }
+
+    dev->log = NULL;
+    dev->log_size = 0;
 }
 
 static bool vhost_dev_log_is_shared(struct vhost_dev *dev)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 8b0d6b69cd..e92837c42b 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -88,77 +88,19 @@ static void virtio_pci_save_config(DeviceState *d, QEMUFile *f)
         qemu_put_be16(f, vdev->config_vector);
 }
 
-static void virtio_pci_load_modern_queue_state(VirtIOPCIQueue *vq,
-                                               QEMUFile *f)
-{
-    vq->num = qemu_get_be16(f);
-    vq->enabled = qemu_get_be16(f);
-    vq->desc[0] = qemu_get_be32(f);
-    vq->desc[1] = qemu_get_be32(f);
-    vq->avail[0] = qemu_get_be32(f);
-    vq->avail[1] = qemu_get_be32(f);
-    vq->used[0] = qemu_get_be32(f);
-    vq->used[1] = qemu_get_be32(f);
-}
-
-static bool virtio_pci_has_extra_state(DeviceState *d)
-{
-    VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d);
-
-    return proxy->flags & VIRTIO_PCI_FLAG_MIGRATE_EXTRA;
-}
-
-static int get_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size,
-                                       VMStateField *field)
-{
-    VirtIOPCIProxy *proxy = pv;
-    int i;
-
-    proxy->dfselect = qemu_get_be32(f);
-    proxy->gfselect = qemu_get_be32(f);
-    proxy->guest_features[0] = qemu_get_be32(f);
-    proxy->guest_features[1] = qemu_get_be32(f);
-    for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
-        virtio_pci_load_modern_queue_state(&proxy->vqs[i], f);
-    }
-
-    return 0;
-}
-
-static void virtio_pci_save_modern_queue_state(VirtIOPCIQueue *vq,
-                                               QEMUFile *f)
-{
-    qemu_put_be16(f, vq->num);
-    qemu_put_be16(f, vq->enabled);
-    qemu_put_be32(f, vq->desc[0]);
-    qemu_put_be32(f, vq->desc[1]);
-    qemu_put_be32(f, vq->avail[0]);
-    qemu_put_be32(f, vq->avail[1]);
-    qemu_put_be32(f, vq->used[0]);
-    qemu_put_be32(f, vq->used[1]);
-}
-
-static int put_virtio_pci_modern_state(QEMUFile *f, void *pv, size_t size,
-                                       VMStateField *field, QJSON *vmdesc)
-{
-    VirtIOPCIProxy *proxy = pv;
-    int i;
-
-    qemu_put_be32(f, proxy->dfselect);
-    qemu_put_be32(f, proxy->gfselect);
-    qemu_put_be32(f, proxy->guest_features[0]);
-    qemu_put_be32(f, proxy->guest_features[1]);
-    for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
-        virtio_pci_save_modern_queue_state(&proxy->vqs[i], f);
+static const VMStateDescription vmstate_virtio_pci_modern_queue_state = {
+    .name = "virtio_pci/modern_queue_state",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT16(num, VirtIOPCIQueue),
+        VMSTATE_UNUSED(1), /* enabled was stored as be16 */
+        VMSTATE_BOOL(enabled, VirtIOPCIQueue),
+        VMSTATE_UINT32_ARRAY(desc, VirtIOPCIQueue, 2),
+        VMSTATE_UINT32_ARRAY(avail, VirtIOPCIQueue, 2),
+        VMSTATE_UINT32_ARRAY(used, VirtIOPCIQueue, 2),
+        VMSTATE_END_OF_LIST()
     }
-
-    return 0;
-}
-
-static const VMStateInfo vmstate_info_virtio_pci_modern_state = {
-    .name = "virtqueue_state",
-    .get = get_virtio_pci_modern_state,
-    .put = put_virtio_pci_modern_state,
 };
 
 static bool virtio_pci_modern_state_needed(void *opaque)
@@ -168,21 +110,18 @@ static bool virtio_pci_modern_state_needed(void *opaque)
     return virtio_pci_modern(proxy);
 }
 
-static const VMStateDescription vmstate_virtio_pci_modern_state = {
+static const VMStateDescription vmstate_virtio_pci_modern_state_sub = {
     .name = "virtio_pci/modern_state",
     .version_id = 1,
     .minimum_version_id = 1,
     .needed = &virtio_pci_modern_state_needed,
     .fields = (VMStateField[]) {
-        {
-            .name         = "modern_state",
-            .version_id   = 0,
-            .field_exists = NULL,
-            .size         = 0,
-            .info         = &vmstate_info_virtio_pci_modern_state,
-            .flags        = VMS_SINGLE,
-            .offset       = 0,
-        },
+        VMSTATE_UINT32(dfselect, VirtIOPCIProxy),
+        VMSTATE_UINT32(gfselect, VirtIOPCIProxy),
+        VMSTATE_UINT32_ARRAY(guest_features, VirtIOPCIProxy, 2),
+        VMSTATE_STRUCT_ARRAY(vqs, VirtIOPCIProxy, VIRTIO_QUEUE_MAX, 0,
+                             vmstate_virtio_pci_modern_queue_state,
+                             VirtIOPCIQueue),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -196,11 +135,18 @@ static const VMStateDescription vmstate_virtio_pci = {
         VMSTATE_END_OF_LIST()
     },
     .subsections = (const VMStateDescription*[]) {
-        &vmstate_virtio_pci_modern_state,
+        &vmstate_virtio_pci_modern_state_sub,
         NULL
     }
 };
 
+static bool virtio_pci_has_extra_state(DeviceState *d)
+{
+    VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d);
+
+    return proxy->flags & VIRTIO_PCI_FLAG_MIGRATE_EXTRA;
+}
+
 static void virtio_pci_save_extra_state(DeviceState *d, QEMUFile *f)
 {
     VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d);
@@ -545,6 +491,24 @@ static const MemoryRegionOps virtio_pci_config_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
+static MemoryRegion *virtio_address_space_lookup(VirtIOPCIProxy *proxy,
+                                                 hwaddr *off, int len)
+{
+    int i;
+    VirtIOPCIRegion *reg;
+
+    for (i = 0; i < ARRAY_SIZE(proxy->regs); ++i) {
+        reg = &proxy->regs[i];
+        if (*off >= reg->offset &&
+            *off + len <= reg->offset + reg->size) {
+            *off -= reg->offset;
+            return &reg->mr;
+        }
+    }
+
+    return NULL;
+}
+
 /* Below are generic functions to do memcpy from/to an address space,
  * without byteswaps, with input validation.
  *
@@ -558,63 +522,72 @@ static const MemoryRegionOps virtio_pci_config_ops = {
  * Note: host pointer must be aligned.
  */
 static
-void virtio_address_space_write(AddressSpace *as, hwaddr addr,
+void virtio_address_space_write(VirtIOPCIProxy *proxy, hwaddr addr,
                                 const uint8_t *buf, int len)
 {
-    uint32_t val;
+    uint64_t val;
+    MemoryRegion *mr;
 
     /* address_space_* APIs assume an aligned address.
      * As address is under guest control, handle illegal values.
      */
     addr &= ~(len - 1);
 
+    mr = virtio_address_space_lookup(proxy, &addr, len);
+    if (!mr) {
+        return;
+    }
+
     /* Make sure caller aligned buf properly */
     assert(!(((uintptr_t)buf) & (len - 1)));
 
     switch (len) {
     case 1:
         val = pci_get_byte(buf);
-        address_space_stb(as, addr, val, MEMTXATTRS_UNSPECIFIED, NULL);
         break;
     case 2:
-        val = pci_get_word(buf);
-        address_space_stw_le(as, addr, val, MEMTXATTRS_UNSPECIFIED, NULL);
+        val = cpu_to_le16(pci_get_word(buf));
         break;
     case 4:
-        val = pci_get_long(buf);
-        address_space_stl_le(as, addr, val, MEMTXATTRS_UNSPECIFIED, NULL);
+        val = cpu_to_le32(pci_get_long(buf));
         break;
     default:
         /* As length is under guest control, handle illegal values. */
-        break;
+        return;
     }
+    memory_region_dispatch_write(mr, addr, val, len, MEMTXATTRS_UNSPECIFIED);
 }
 
 static void
-virtio_address_space_read(AddressSpace *as, hwaddr addr, uint8_t *buf, int len)
+virtio_address_space_read(VirtIOPCIProxy *proxy, hwaddr addr,
+                          uint8_t *buf, int len)
 {
-    uint32_t val;
+    uint64_t val;
+    MemoryRegion *mr;
 
     /* address_space_* APIs assume an aligned address.
      * As address is under guest control, handle illegal values.
      */
     addr &= ~(len - 1);
 
+    mr = virtio_address_space_lookup(proxy, &addr, len);
+    if (!mr) {
+        return;
+    }
+
     /* Make sure caller aligned buf properly */
     assert(!(((uintptr_t)buf) & (len - 1)));
 
+    memory_region_dispatch_read(mr, addr, &val, len, MEMTXATTRS_UNSPECIFIED);
     switch (len) {
     case 1:
-        val = address_space_ldub(as, addr, MEMTXATTRS_UNSPECIFIED, NULL);
         pci_set_byte(buf, val);
         break;
     case 2:
-        val = address_space_lduw_le(as, addr, MEMTXATTRS_UNSPECIFIED, NULL);
-        pci_set_word(buf, val);
+        pci_set_word(buf, le16_to_cpu(val));
         break;
     case 4:
-        val = address_space_ldl_le(as, addr, MEMTXATTRS_UNSPECIFIED, NULL);
-        pci_set_long(buf, val);
+        pci_set_long(buf, le32_to_cpu(val));
         break;
     default:
         /* As length is under guest control, handle illegal values. */
@@ -650,8 +623,7 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
 
         if (len == 1 || len == 2 || len == 4) {
             assert(len <= sizeof cfg->pci_cfg_data);
-            virtio_address_space_write(&proxy->modern_as, off,
-                                       cfg->pci_cfg_data, len);
+            virtio_address_space_write(proxy, off, cfg->pci_cfg_data, len);
         }
     }
 }
@@ -675,8 +647,7 @@ static uint32_t virtio_read_config(PCIDevice *pci_dev,
 
         if (len == 1 || len == 2 || len == 4) {
             assert(len <= sizeof cfg->pci_cfg_data);
-            virtio_address_space_read(&proxy->modern_as, off,
-                                      cfg->pci_cfg_data, len);
+            virtio_address_space_read(proxy, off, cfg->pci_cfg_data, len);
         }
     }
 
@@ -1783,15 +1754,6 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
                        /* PCI BAR regions must be powers of 2 */
                        pow2ceil(proxy->notify.offset + proxy->notify.size));
 
-    memory_region_init_alias(&proxy->modern_cfg,
-                             OBJECT(proxy),
-                             "virtio-pci-cfg",
-                             &proxy->modern_bar,
-                             0,
-                             memory_region_size(&proxy->modern_bar));
-
-    address_space_init(&proxy->modern_as, &proxy->modern_cfg, "virtio-pci-cfg-as");
-
     if (proxy->disable_legacy == ON_OFF_AUTO_AUTO) {
         proxy->disable_legacy = pcie_port ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF;
     }
@@ -1860,10 +1822,7 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
 
 static void virtio_pci_exit(PCIDevice *pci_dev)
 {
-    VirtIOPCIProxy *proxy = VIRTIO_PCI(pci_dev);
-
     msix_uninit_exclusive_bar(pci_dev);
-    address_space_destroy(&proxy->modern_as);
 }
 
 static void virtio_pci_reset(DeviceState *qdev)
@@ -1958,6 +1917,11 @@ static const TypeInfo virtio_pci_info = {
     .class_init    = virtio_pci_class_init,
     .class_size    = sizeof(VirtioPCIClass),
     .abstract      = true,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_PCIE_DEVICE },
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { }
+    },
 };
 
 /* virtio-blk-pci */
diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h
index 69f5959623..12d3a90686 100644
--- a/hw/virtio/virtio-pci.h
+++ b/hw/virtio/virtio-pci.h
@@ -155,15 +155,18 @@ typedef struct VirtIOPCIQueue {
 struct VirtIOPCIProxy {
     PCIDevice pci_dev;
     MemoryRegion bar;
-    VirtIOPCIRegion common;
-    VirtIOPCIRegion isr;
-    VirtIOPCIRegion device;
-    VirtIOPCIRegion notify;
-    VirtIOPCIRegion notify_pio;
+    union {
+        struct {
+            VirtIOPCIRegion common;
+            VirtIOPCIRegion isr;
+            VirtIOPCIRegion device;
+            VirtIOPCIRegion notify;
+            VirtIOPCIRegion notify_pio;
+        };
+        VirtIOPCIRegion regs[5];
+    };
     MemoryRegion modern_bar;
     MemoryRegion io_bar;
-    MemoryRegion modern_cfg;
-    AddressSpace modern_as;
     uint32_t legacy_io_bar_idx;
     uint32_t msix_bar_idx;
     uint32_t modern_io_bar_idx;
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 311929e9df..5884ce3480 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -834,7 +834,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
     int64_t len;
     VirtIODevice *vdev = vq->vdev;
     VirtQueueElement *elem = NULL;
-    unsigned out_num, in_num;
+    unsigned out_num, in_num, elem_entries;
     hwaddr addr[VIRTQUEUE_MAX_SIZE];
     struct iovec iov[VIRTQUEUE_MAX_SIZE];
     VRingDesc desc;
@@ -852,7 +852,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
     smp_rmb();
 
     /* When we start there are none of either input nor output. */
-    out_num = in_num = 0;
+    out_num = in_num = elem_entries = 0;
 
     max = vq->vring.num;
 
@@ -922,7 +922,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
         }
 
         /* If we've got too many, that implies a descriptor loop. */
-        if ((in_num + out_num) > max) {
+        if (++elem_entries > max) {
             virtio_error(vdev, "Looped descriptor");
             goto err_undo_map;
         }
diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c
index 22bce364d7..95f6ad186d 100644
--- a/hw/watchdog/wdt_aspeed.c
+++ b/hw/watchdog/wdt_aspeed.c
@@ -100,13 +100,13 @@ static uint64_t aspeed_wdt_read(void *opaque, hwaddr offset, unsigned size)
 
 static void aspeed_wdt_reload(AspeedWDTState *s, bool pclk)
 {
-    uint32_t reload;
+    uint64_t reload;
 
     if (pclk) {
         reload = muldiv64(s->regs[WDT_RELOAD_VALUE], NANOSECONDS_PER_SECOND,
                           s->pclk_freq);
     } else {
-        reload = s->regs[WDT_RELOAD_VALUE] * 1000;
+        reload = s->regs[WDT_RELOAD_VALUE] * 1000ULL;
     }
 
     if (aspeed_wdt_is_enabled(s)) {
diff --git a/hw/watchdog/wdt_i6300esb.c b/hw/watchdog/wdt_i6300esb.c
index 49b3cd188a..e596b0804d 100644
--- a/hw/watchdog/wdt_i6300esb.c
+++ b/hw/watchdog/wdt_i6300esb.c
@@ -463,6 +463,10 @@ static const TypeInfo i6300esb_info = {
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(I6300State),
     .class_init    = i6300esb_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
 };
 
 static void i6300esb_register_types(void)
diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index 375efa68f6..9bba717708 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -964,6 +964,11 @@ static const TypeInfo xen_pci_passthrough_info = {
     .instance_size = sizeof(XenPCIPassthroughState),
     .instance_finalize = xen_pci_passthrough_finalize,
     .class_init = xen_pci_passthrough_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { INTERFACE_PCIE_DEVICE },
+        { },
+    },
 };
 
 static void xen_pci_passthrough_register_types(void)