Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,virtio,pci: fixes, features

Fixes all over the place.
ACPI index support.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Mon 22 Mar 2021 22:58:45 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  acpi: Move setters/getters of oem fields to X86MachineState
  acpi: Set proper maximum size for "etc/acpi/rsdp" blob
  acpi: Move maximum size logic into acpi_add_rom_blob()
  microvm: Don't open-code "etc/table-loader"
  acpi: Set proper maximum size for "etc/table-loader" blob
  tests: acpi: update expected blobs
  pci: acpi: add _DSM method to PCI devices
  acpi: add aml_to_decimalstring() and aml_call6() helpers
  pci: acpi: ensure that acpi-index is unique
  pci: introduce acpi-index property for PCI device
  tests: acpi: temporary whitelist DSDT changes
  virtio-pmem: fix virtio_pmem_resp assign problem
  vhost-user: Monitor slave channel in vhost_user_read()
  vhost-user: Introduce nested event loop in vhost_user_read()
  vhost-user: Convert slave channel to QIOChannelSocket
  vhost-user: Factor out duplicated slave_fd teardown code
  vhost-user: Fix double-close on slave_read() error path
  vhost-user: Drop misleading EAGAIN checks in slave_read()
  virtio: Fix virtio_mmio_read()/virtio_mmio_write()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

35 files changed, 583 insertions, 308 deletions

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index a2cd7a5830..d33ce8954a 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -634,6 +634,19 @@ Aml *aml_to_buffer(Aml *src, Aml *dst)
     return var;
 }
 
+/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToDecimalString */
+Aml *aml_to_decimalstring(Aml *src, Aml *dst)
+{
+    Aml *var = aml_opcode(0x97 /* ToDecimalStringOp */);
+    aml_append(var, src);
+    if (dst) {
+        aml_append(var, dst);
+    } else {
+        build_append_byte(var->buf, 0x00 /* NullNameOp */);
+    }
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
 Aml *aml_store(Aml *val, Aml *target)
 {
@@ -835,6 +848,21 @@ Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
     return var;
 }
 
+/* helper to call method with 5 arguments */
+Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
+               Aml *arg5, Aml *arg6)
+{
+    Aml *var = aml_alloc();
+    build_append_namestring(var->buf, "%s", method);
+    aml_append(var, arg1);
+    aml_append(var, arg2);
+    aml_append(var, arg3);
+    aml_append(var, arg4);
+    aml_append(var, arg5);
+    aml_append(var, arg6);
+    return var;
+}
+
 /*
  * ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor
  * Type 1, Large Item Name 0xC
diff --git a/hw/acpi/pci.c b/hw/acpi/pci.c
index ec455c3b25..75b1103ec4 100644
--- a/hw/acpi/pci.c
+++ b/hw/acpi/pci.c
@@ -59,4 +59,3 @@ void build_mcfg(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info,
     build_header(linker, table_data, (void *)(table_data->data + mcfg_start),
                  "MCFG", table_data->len - mcfg_start, 1, oem_id, oem_table_id);
 }
-
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 9dc4d3e2db..f4cb3c979d 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -39,18 +39,34 @@
 #include "trace.h"
 
 #define ACPI_PCIHP_ADDR 0xae00
-#define ACPI_PCIHP_SIZE 0x0014
+#define ACPI_PCIHP_SIZE 0x0018
 #define PCI_UP_BASE 0x0000
 #define PCI_DOWN_BASE 0x0004
 #define PCI_EJ_BASE 0x0008
 #define PCI_RMV_BASE 0x000c
 #define PCI_SEL_BASE 0x0010
+#define PCI_AIDX_BASE 0x0014
 
 typedef struct AcpiPciHpFind {
     int bsel;
     PCIBus *bus;
 } AcpiPciHpFind;
 
+static gint g_cmp_uint32(gconstpointer a, gconstpointer b, gpointer user_data)
+{
+    return a - b;
+}
+
+static GSequence *pci_acpi_index_list(void)
+{
+    static GSequence *used_acpi_index_list;
+
+    if (!used_acpi_index_list) {
+        used_acpi_index_list = g_sequence_new(NULL);
+    }
+    return used_acpi_index_list;
+}
+
 static int acpi_pcihp_get_bsel(PCIBus *bus)
 {
     Error *local_err = NULL;
@@ -251,9 +267,13 @@ void acpi_pcihp_reset(AcpiPciHpState *s, bool acpihp_root_off)
     acpi_pcihp_update(s);
 }
 
+#define ONBOARD_INDEX_MAX (16 * 1024 - 1)
+
 void acpi_pcihp_device_pre_plug_cb(HotplugHandler *hotplug_dev,
                                    DeviceState *dev, Error **errp)
 {
+    PCIDevice *pdev = PCI_DEVICE(dev);
+
     /* Only hotplugged devices need the hotplug capability. */
     if (dev->hotplugged &&
         acpi_pcihp_get_bsel(pci_get_bus(PCI_DEVICE(dev))) < 0) {
@@ -261,6 +281,34 @@ void acpi_pcihp_device_pre_plug_cb(HotplugHandler *hotplug_dev,
                    ACPI_PCIHP_PROP_BSEL "' set");
         return;
     }
+
+    /*
+     * capped by systemd (see: udev-builtin-net_id.c)
+     * as it's the only known user honor it to avoid users
+     * misconfigure QEMU and then wonder why acpi-index doesn't work
+     */
+    if (pdev->acpi_index > ONBOARD_INDEX_MAX) {
+        error_setg(errp, "acpi-index should be less or equal to %u",
+                   ONBOARD_INDEX_MAX);
+        return;
+    }
+
+    /*
+     * make sure that acpi-index is unique across all present PCI devices
+     */
+    if (pdev->acpi_index) {
+        GSequence *used_indexes = pci_acpi_index_list();
+
+        if (g_sequence_lookup(used_indexes, GINT_TO_POINTER(pdev->acpi_index),
+                              g_cmp_uint32, NULL)) {
+            error_setg(errp, "a PCI device with acpi-index = %" PRIu32
+                       " already exist", pdev->acpi_index);
+            return;
+        }
+        g_sequence_insert_sorted(used_indexes,
+                                 GINT_TO_POINTER(pdev->acpi_index),
+                                 g_cmp_uint32, NULL);
+    }
 }
 
 void acpi_pcihp_device_plug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState *s,
@@ -299,8 +347,22 @@ void acpi_pcihp_device_plug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState *s,
 void acpi_pcihp_device_unplug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState *s,
                                  DeviceState *dev, Error **errp)
 {
+    PCIDevice *pdev = PCI_DEVICE(dev);
+
     trace_acpi_pci_unplug(PCI_SLOT(PCI_DEVICE(dev)->devfn),
                           acpi_pcihp_get_bsel(pci_get_bus(PCI_DEVICE(dev))));
+
+    /*
+     * clean up acpi-index so it could reused by another device
+     */
+    if (pdev->acpi_index) {
+        GSequence *used_indexes = pci_acpi_index_list();
+
+        g_sequence_remove(g_sequence_lookup(used_indexes,
+                          GINT_TO_POINTER(pdev->acpi_index),
+                          g_cmp_uint32, NULL));
+    }
+
     qdev_unrealize(dev);
 }
 
@@ -347,7 +409,6 @@ static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size)
         trace_acpi_pci_down_read(val);
         break;
     case PCI_EJ_BASE:
-        /* No feature defined yet */
         trace_acpi_pci_features_read(val);
         break;
     case PCI_RMV_BASE:
@@ -357,6 +418,12 @@ static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size)
     case PCI_SEL_BASE:
         val = s->hotplug_select;
         trace_acpi_pci_sel_read(val);
+        break;
+    case PCI_AIDX_BASE:
+        val = s->acpi_index;
+        s->acpi_index = 0;
+        trace_acpi_pci_acpi_index_read(val);
+        break;
     default:
         break;
     }
@@ -367,8 +434,35 @@ static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size)
 static void pci_write(void *opaque, hwaddr addr, uint64_t data,
                       unsigned int size)
 {
+    int slot;
+    PCIBus *bus;
+    BusChild *kid, *next;
     AcpiPciHpState *s = opaque;
+
+    s->acpi_index = 0;
     switch (addr) {
+    case PCI_AIDX_BASE:
+        /*
+         * fetch acpi-index for specified slot so that follow up read from
+         * PCI_AIDX_BASE can return it to guest
+         */
+        slot = ctz32(data);
+
+        if (s->hotplug_select >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
+            break;
+        }
+
+        bus = acpi_pcihp_find_hotplug_bus(s, s->hotplug_select);
+        QTAILQ_FOREACH_SAFE(kid, &bus->qbus.children, sibling, next) {
+            Object *o = OBJECT(kid->child);
+            PCIDevice *dev = PCI_DEVICE(o);
+            if (PCI_SLOT(dev->devfn) == slot) {
+                s->acpi_index = object_property_get_uint(o, "acpi-index", NULL);
+                break;
+            }
+        }
+        trace_acpi_pci_acpi_index_write(s->hotplug_select, slot, s->acpi_index);
+        break;
     case PCI_EJ_BASE:
         if (s->hotplug_select >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
             break;
@@ -413,6 +507,12 @@ void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
                                    OBJ_PROP_FLAG_READ);
 }
 
+bool vmstate_acpi_pcihp_use_acpi_index(void *opaque, int version_id)
+{
+     AcpiPciHpState *s = opaque;
+     return s->acpi_index;
+}
+
 const VMStateDescription vmstate_acpi_pcihp_pci_status = {
     .name = "acpi_pcihp_pci_status",
     .version_id = 1,
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 1efc0ded9f..6056d51667 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -297,7 +297,8 @@ static const VMStateDescription vmstate_acpi = {
             2, vmstate_pci_status,
             struct AcpiPciHpPciStatus),
         VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState,
-                            vmstate_test_use_acpi_hotplug_bridge),
+                            vmstate_test_use_acpi_hotplug_bridge,
+                            vmstate_acpi_pcihp_use_acpi_index),
         VMSTATE_END_OF_LIST()
     },
     .subsections = (const VMStateDescription*[]) {
diff --git a/hw/acpi/trace-events b/hw/acpi/trace-events
index f91ced477d..dcc1438f3a 100644
--- a/hw/acpi/trace-events
+++ b/hw/acpi/trace-events
@@ -41,6 +41,8 @@ acpi_pci_unplug_request(int bsel, int slot) "bsel: %d slot: %d"
 acpi_pci_up_read(uint32_t val) "%" PRIu32
 acpi_pci_down_read(uint32_t val) "%" PRIu32
 acpi_pci_features_read(uint32_t val) "%" PRIu32
+acpi_pci_acpi_index_read(uint32_t val) "%" PRIu32
+acpi_pci_acpi_index_write(unsigned bsel, unsigned slot, uint32_t aidx) "bsel: %u slot: %u aidx: %" PRIu32
 acpi_pci_rmv_read(uint32_t val) "%" PRIu32
 acpi_pci_sel_read(uint32_t val) "%" PRIu32
 acpi_pci_ej_write(uint64_t addr, uint64_t data) "0x%" PRIx64 " <== %" PRIu64
diff --git a/hw/acpi/utils.c b/hw/acpi/utils.c
index a134a4d554..0c486ea29f 100644
--- a/hw/acpi/utils.c
+++ b/hw/acpi/utils.c
@@ -27,9 +27,22 @@
 #include "hw/loader.h"
 
 MemoryRegion *acpi_add_rom_blob(FWCfgCallback update, void *opaque,
-                                GArray *blob, const char *name,
-                                uint64_t max_size)
+                                GArray *blob, const char *name)
 {
+    uint64_t max_size;
+
+    /* Reserve RAM space for tables: add another order of magnitude. */
+    if (!strcmp(name, ACPI_BUILD_TABLE_FILE)) {
+        max_size = 0x200000;
+    } else if (!strcmp(name, ACPI_BUILD_LOADER_FILE)) {
+        max_size = 0x10000;
+    } else if (!strcmp(name, ACPI_BUILD_RSDP_FILE)) {
+        max_size = 0x1000;
+    } else {
+        g_assert_not_reached();
+    }
+    g_assert(acpi_data_len(blob) <= max_size);
+
     return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1,
                         name, update, opaque, NULL, true);
 }
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index f9c9df916c..f5a2b2d4cb 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -859,13 +859,13 @@ void virt_acpi_setup(VirtMachineState *vms)
     /* Now expose it all to Guest */
     build_state->table_mr = acpi_add_rom_blob(virt_acpi_build_update,
                                               build_state, tables.table_data,
-                                              ACPI_BUILD_TABLE_FILE,
-                                              ACPI_BUILD_TABLE_MAX_SIZE);
+                                              ACPI_BUILD_TABLE_FILE);
     assert(build_state->table_mr != NULL);
 
-    build_state->linker_mr =
-        acpi_add_rom_blob(virt_acpi_build_update, build_state,
-                          tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE, 0);
+    build_state->linker_mr = acpi_add_rom_blob(virt_acpi_build_update,
+                                               build_state,
+                                               tables.linker->cmd_blob,
+                                               ACPI_BUILD_LOADER_FILE);
 
     fw_cfg_add_file(vms->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data,
                     acpi_data_len(tables.tcpalog));
@@ -879,7 +879,7 @@ void virt_acpi_setup(VirtMachineState *vms)
 
     build_state->rsdp_mr = acpi_add_rom_blob(virt_acpi_build_update,
                                              build_state, tables.rsdp,
-                                             ACPI_BUILD_RSDP_FILE, 0);
+                                             ACPI_BUILD_RSDP_FILE);
 
     qemu_register_reset(virt_acpi_build_reset, build_state);
     virt_acpi_build_reset(build_state);
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 442b4629a9..de98750aef 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -397,6 +397,13 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
                     aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
                 );
                 aml_append(dev, method);
+                method = aml_method("_DSM", 4, AML_SERIALIZED);
+                aml_append(method,
+                    aml_return(aml_call6("PDSM", aml_arg(0), aml_arg(1),
+                                         aml_arg(2), aml_arg(3),
+                                         aml_name("BSEL"), aml_name("_SUN")))
+                );
+                aml_append(dev, method);
                 aml_append(parent_scope, dev);
 
                 build_append_pcihp_notify_entry(notify_method, slot);
@@ -424,6 +431,16 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
         dev = aml_device("S%.02X", PCI_DEVFN(slot, 0));
         aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16)));
 
+        if (bsel) {
+            aml_append(dev, aml_name_decl("_SUN", aml_int(slot)));
+            method = aml_method("_DSM", 4, AML_SERIALIZED);
+            aml_append(method, aml_return(
+                aml_call6("PDSM", aml_arg(0), aml_arg(1), aml_arg(2),
+                          aml_arg(3), aml_name("BSEL"), aml_name("_SUN"))
+            ));
+            aml_append(dev, method);
+        }
+
         if (pc->class_id == PCI_CLASS_DISPLAY_VGA) {
             /* add VGA specific AML methods */
             int s3d;
@@ -446,9 +463,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
             aml_append(method, aml_return(aml_int(s3d)));
             aml_append(dev, method);
         } else if (hotplug_enabled_dev) {
-            /* add _SUN/_EJ0 to make slot hotpluggable  */
-            aml_append(dev, aml_name_decl("_SUN", aml_int(slot)));
-
+            /* add _EJ0 to make slot hotpluggable  */
             method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
             aml_append(method,
                 aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
@@ -511,6 +526,88 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
     qobject_unref(bsel);
 }
 
+Aml *aml_pci_device_dsm(void)
+{
+    Aml *method, *UUID, *ifctx, *ifctx1, *ifctx2, *ifctx3, *elsectx;
+    Aml *acpi_index = aml_local(0);
+    Aml *zero = aml_int(0);
+    Aml *bnum = aml_arg(4);
+    Aml *func = aml_arg(2);
+    Aml *rev = aml_arg(1);
+    Aml *sun = aml_arg(5);
+
+    method = aml_method("PDSM", 6, AML_SERIALIZED);
+
+    /*
+     * PCI Firmware Specification 3.1
+     * 4.6.  _DSM Definitions for PCI
+     */
+    UUID = aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D");
+    ifctx = aml_if(aml_equal(aml_arg(0), UUID));
+    {
+        aml_append(ifctx, aml_store(aml_call2("AIDX", bnum, sun), acpi_index));
+        ifctx1 = aml_if(aml_equal(func, zero));
+        {
+            uint8_t byte_list[1];
+
+            ifctx2 = aml_if(aml_equal(rev, aml_int(2)));
+            {
+                /*
+                 * advertise function 7 if device has acpi-index
+                 * acpi_index values:
+                 *            0: not present (default value)
+                 *     FFFFFFFF: not supported (old QEMU without PIDX reg)
+                 *        other: device's acpi-index
+                 */
+                ifctx3 = aml_if(aml_lnot(
+                    aml_or(aml_equal(acpi_index, zero),
+                           aml_equal(acpi_index, aml_int(0xFFFFFFFF)), NULL)
+                ));
+                {
+                    byte_list[0] =
+                        1 /* have supported functions */ |
+                        1 << 7 /* support for function 7 */
+                    ;
+                    aml_append(ifctx3, aml_return(aml_buffer(1, byte_list)));
+                }
+                aml_append(ifctx2, ifctx3);
+             }
+             aml_append(ifctx1, ifctx2);
+
+             byte_list[0] = 0; /* nothing supported */
+             aml_append(ifctx1, aml_return(aml_buffer(1, byte_list)));
+         }
+         aml_append(ifctx, ifctx1);
+         elsectx = aml_else();
+         /*
+          * PCI Firmware Specification 3.1
+          * 4.6.7. _DSM for Naming a PCI or PCI Express Device Under
+          *        Operating Systems
+          */
+         ifctx1 = aml_if(aml_equal(func, aml_int(7)));
+         {
+             Aml *pkg = aml_package(2);
+             Aml *ret = aml_local(1);
+
+             aml_append(pkg, zero);
+             /*
+              * optional, if not impl. should return null string
+              */
+             aml_append(pkg, aml_string("%s", ""));
+             aml_append(ifctx1, aml_store(pkg, ret));
+             /*
+              * update acpi-index to actual value
+              */
+             aml_append(ifctx1, aml_store(acpi_index, aml_index(ret, zero)));
+             aml_append(ifctx1, aml_return(ret));
+         }
+         aml_append(elsectx, ifctx1);
+         aml_append(ifctx, elsectx);
+    }
+    aml_append(method, ifctx);
+    return method;
+}
+
 /**
  * build_prt_entry:
  * @link_name: link name for PCI route entry
@@ -1168,9 +1265,10 @@ static void build_piix4_pci_hotplug(Aml *table)
     aml_append(scope, field);
 
     aml_append(scope,
-        aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x04));
+        aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x08));
     field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS);
     aml_append(field, aml_named_field("BNUM", 32));
+    aml_append(field, aml_named_field("PIDX", 32));
     aml_append(scope, field);
 
     aml_append(scope, aml_mutex("BLCK", 0));
@@ -1184,6 +1282,18 @@ static void build_piix4_pci_hotplug(Aml *table)
     aml_append(method, aml_return(aml_int(0)));
     aml_append(scope, method);
 
+    method = aml_method("AIDX", 2, AML_NOTSERIALIZED);
+    aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF));
+    aml_append(method, aml_store(aml_arg(0), aml_name("BNUM")));
+    aml_append(method,
+        aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("PIDX")));
+    aml_append(method, aml_store(aml_name("PIDX"), aml_local(0)));
+    aml_append(method, aml_release(aml_name("BLCK")));
+    aml_append(method, aml_return(aml_local(0)));
+    aml_append(scope, method);
+
+    aml_append(scope, aml_pci_device_dsm());
+
     aml_append(table, scope);
 }
 
@@ -1697,7 +1807,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-                 "DSDT", dsdt->buf->len, 1, pcms->oem_id, pcms->oem_table_id);
+                 "DSDT", dsdt->buf->len, 1, x86ms->oem_id, x86ms->oem_table_id);
     free_aml_allocator();
 }
 
@@ -1874,8 +1984,8 @@ build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
     build_header(linker, table_data,
                  (void *)(table_data->data + srat_start),
                  "SRAT",
-                 table_data->len - srat_start, 1, pcms->oem_id,
-                 pcms->oem_table_id);
+                 table_data->len - srat_start, 1, x86ms->oem_id,
+                 x86ms->oem_table_id);
 }
 
 /*
@@ -2228,13 +2338,13 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
     if (slic_oem.id) {
         oem_id = slic_oem.id;
     } else {
-        oem_id = pcms->oem_id;
+        oem_id = x86ms->oem_id;
     }
 
     if (slic_oem.table_id) {
         oem_table_id = slic_oem.table_id;
     } else {
-        oem_table_id = pcms->oem_table_id;
+        oem_table_id = x86ms->oem_table_id;
     }
 
     table_offsets = g_array_new(false, true /* clear */,
@@ -2275,30 +2385,30 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
 
     acpi_add_table(table_offsets, tables_blob);
     acpi_build_madt(tables_blob, tables->linker, x86ms,
-                    ACPI_DEVICE_IF(x86ms->acpi_dev), pcms->oem_id,
-                    pcms->oem_table_id);
+                    ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id,
+                    x86ms->oem_table_id);
 
     vmgenid_dev = find_vmgenid_dev();
     if (vmgenid_dev) {
         acpi_add_table(table_offsets, tables_blob);
         vmgenid_build_acpi(VMGENID(vmgenid_dev), tables_blob,
-                           tables->vmgenid, tables->linker, pcms->oem_id);
+                           tables->vmgenid, tables->linker, x86ms->oem_id);
     }
 
     if (misc.has_hpet) {
         acpi_add_table(table_offsets, tables_blob);
-        build_hpet(tables_blob, tables->linker, pcms->oem_id,
-                   pcms->oem_table_id);
+        build_hpet(tables_blob, tables->linker, x86ms->oem_id,
+                   x86ms->oem_table_id);
     }
     if (misc.tpm_version != TPM_VERSION_UNSPEC) {
         if (misc.tpm_version == TPM_VERSION_1_2) {
             acpi_add_table(table_offsets, tables_blob);
             build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog,
-                           pcms->oem_id, pcms->oem_table_id);
+                           x86ms->oem_id, x86ms->oem_table_id);
         } else { /* TPM_VERSION_2_0 */
             acpi_add_table(table_offsets, tables_blob);
             build_tpm2(tables_blob, tables->linker, tables->tcpalog,
-                       pcms->oem_id, pcms->oem_table_id);
+                       x86ms->oem_id, x86ms->oem_table_id);
         }
     }
     if (pcms->numa_nodes) {
@@ -2306,40 +2416,40 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
         build_srat(tables_blob, tables->linker, machine);
         if (machine->numa_state->have_numa_distance) {
             acpi_add_table(table_offsets, tables_blob);
-            build_slit(tables_blob, tables->linker, machine, pcms->oem_id,
-                       pcms->oem_table_id);
+            build_slit(tables_blob, tables->linker, machine, x86ms->oem_id,
+                       x86ms->oem_table_id);
         }
         if (machine->numa_state->hmat_enabled) {
             acpi_add_table(table_offsets, tables_blob);
             build_hmat(tables_blob, tables->linker, machine->numa_state,
-                       pcms->oem_id, pcms->oem_table_id);
+                       x86ms->oem_id, x86ms->oem_table_id);
         }
     }
     if (acpi_get_mcfg(&mcfg)) {
         acpi_add_table(table_offsets, tables_blob);
-        build_mcfg(tables_blob, tables->linker, &mcfg, pcms->oem_id,
-                   pcms->oem_table_id);
+        build_mcfg(tables_blob, tables->linker, &mcfg, x86ms->oem_id,
+                   x86ms->oem_table_id);
     }
     if (x86_iommu_get_default()) {
         IommuType IOMMUType = x86_iommu_get_type();
         if (IOMMUType == TYPE_AMD) {
             acpi_add_table(table_offsets, tables_blob);
-            build_amd_iommu(tables_blob, tables->linker, pcms->oem_id,
-                            pcms->oem_table_id);
+            build_amd_iommu(tables_blob, tables->linker, x86ms->oem_id,
+                            x86ms->oem_table_id);
         } else if (IOMMUType == TYPE_INTEL) {
             acpi_add_table(table_offsets, tables_blob);
-            build_dmar_q35(tables_blob, tables->linker, pcms->oem_id,
-                           pcms->oem_table_id);
+            build_dmar_q35(tables_blob, tables->linker, x86ms->oem_id,
+                           x86ms->oem_table_id);
         }
     }
     if (machine->nvdimms_state->is_enabled) {
         nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
                           machine->nvdimms_state, machine->ram_slots,
-                          pcms->oem_id, pcms->oem_table_id);
+                          x86ms->oem_id, x86ms->oem_table_id);
     }
 
     acpi_add_table(table_offsets, tables_blob);
-    build_waet(tables_blob, tables->linker, pcms->oem_id, pcms->oem_table_id);
+    build_waet(tables_blob, tables->linker, x86ms->oem_id, x86ms->oem_table_id);
 
     /* Add tables supplied by user (if any) */
     for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
@@ -2358,7 +2468,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
     {
         AcpiRsdpData rsdp_data = {
             .revision = 0,
-            .oem_id = pcms->oem_id,
+            .oem_id = x86ms->oem_id,
             .xsdt_tbl_offset = NULL,
             .rsdt_tbl_offset = &rsdt,
         };
@@ -2518,13 +2628,12 @@ void acpi_setup(void)
     /* Now expose it all to Guest */
     build_state->table_mr = acpi_add_rom_blob(acpi_build_update,
                                               build_state, tables.table_data,
-                                              ACPI_BUILD_TABLE_FILE,
-                                              ACPI_BUILD_TABLE_MAX_SIZE);
+                                              ACPI_BUILD_TABLE_FILE);
     assert(build_state->table_mr != NULL);
 
     build_state->linker_mr =
         acpi_add_rom_blob(acpi_build_update, build_state,
-                          tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE, 0);
+                          tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE);
 
     fw_cfg_add_file(x86ms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
                     tables.tcpalog->data, acpi_data_len(tables.tcpalog));
@@ -2563,7 +2672,7 @@ void acpi_setup(void)
         build_state->rsdp = NULL;
         build_state->rsdp_mr = acpi_add_rom_blob(acpi_build_update,
                                                  build_state, tables.rsdp,
-                                                 ACPI_BUILD_RSDP_FILE, 0);
+                                                 ACPI_BUILD_RSDP_FILE);
     }
 
     qemu_register_reset(acpi_build_reset, build_state);
diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c
index 54b3af478a..ccd3303aac 100644
--- a/hw/i386/acpi-microvm.c
+++ b/hw/i386/acpi-microvm.c
@@ -149,7 +149,7 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *linker,
     g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
     build_header(linker, table_data,
         (void *)(table_data->data + table_data->len - dsdt->buf->len),
-                 "DSDT", dsdt->buf->len, 2, mms->oem_id, mms->oem_table_id);
+                 "DSDT", dsdt->buf->len, 2, x86ms->oem_id, x86ms->oem_table_id);
     free_aml_allocator();
 }
 
@@ -201,24 +201,24 @@ static void acpi_build_microvm(AcpiBuildTables *tables,
     pmfadt.dsdt_tbl_offset = &dsdt;
     pmfadt.xdsdt_tbl_offset = &dsdt;
     acpi_add_table(table_offsets, tables_blob);
-    build_fadt(tables_blob, tables->linker, &pmfadt, mms->oem_id,
-               mms->oem_table_id);
+    build_fadt(tables_blob, tables->linker, &pmfadt, x86ms->oem_id,
+               x86ms->oem_table_id);
 
     acpi_add_table(table_offsets, tables_blob);
     acpi_build_madt(tables_blob, tables->linker, X86_MACHINE(machine),
-                    ACPI_DEVICE_IF(x86ms->acpi_dev), mms->oem_id,
-                    mms->oem_table_id);
+                    ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id,
+                    x86ms->oem_table_id);
 
     xsdt = tables_blob->len;
-    build_xsdt(tables_blob, tables->linker, table_offsets, mms->oem_id,
-               mms->oem_table_id);
+    build_xsdt(tables_blob, tables->linker, table_offsets, x86ms->oem_id,
+               x86ms->oem_table_id);
 
     /* RSDP is in FSEG memory, so allocate it separately */
     {
         AcpiRsdpData rsdp_data = {
             /* ACPI 2.0: 5.2.4.3 RSDP Structure */
             .revision = 2, /* xsdt needs v2 */
-            .oem_id = mms->oem_id,
+            .oem_id = x86ms->oem_id,
             .xsdt_tbl_offset = &xsdt,
             .rsdt_tbl_offset = NULL,
         };
@@ -249,16 +249,12 @@ void acpi_setup_microvm(MicrovmMachineState *mms)
     acpi_build_microvm(&tables, mms);
 
     /* Now expose it all to Guest */
-    acpi_add_rom_blob(acpi_build_no_update, NULL,
-                      tables.table_data,
-                      ACPI_BUILD_TABLE_FILE,
-                      ACPI_BUILD_TABLE_MAX_SIZE);
-    acpi_add_rom_blob(acpi_build_no_update, NULL,
-                      tables.linker->cmd_blob,
-                      "etc/table-loader", 0);
-    acpi_add_rom_blob(acpi_build_no_update, NULL,
-                      tables.rsdp,
-                      ACPI_BUILD_RSDP_FILE, 0);
+    acpi_add_rom_blob(acpi_build_no_update, NULL, tables.table_data,
+                      ACPI_BUILD_TABLE_FILE);
+    acpi_add_rom_blob(acpi_build_no_update, NULL, tables.linker->cmd_blob,
+                      ACPI_BUILD_LOADER_FILE);
+    acpi_add_rom_blob(acpi_build_no_update, NULL, tables.rsdp,
+                      ACPI_BUILD_RSDP_FILE);
 
     acpi_build_tables_cleanup(&tables, false);
 }
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 4e0cf4c522..edf2b0f061 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -648,51 +648,6 @@ static void microvm_powerdown_req(Notifier *notifier, void *data)
     }
 }
 
-static char *microvm_machine_get_oem_id(Object *obj, Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-
-    return g_strdup(mms->oem_id);
-}
-
-static void microvm_machine_set_oem_id(Object *obj, const char *value,
-                                       Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 6) {
-        error_setg(errp,
-          "User specified "MICROVM_MACHINE_OEM_ID" value is bigger than "
-          "6 bytes in size");
-        return;
-    }
-
-    strncpy(mms->oem_id, value, 6);
-}
-
-static char *microvm_machine_get_oem_table_id(Object *obj, Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-
-    return g_strdup(mms->oem_table_id);
-}
-
-static void microvm_machine_set_oem_table_id(Object *obj, const char *value,
-                                             Error **errp)
-{
-    MicrovmMachineState *mms = MICROVM_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 8) {
-        error_setg(errp,
-          "User specified "MICROVM_MACHINE_OEM_TABLE_ID" value is bigger than "
-          "8 bytes in size");
-        return;
-    }
-    strncpy(mms->oem_table_id, value, 8);
-}
-
 static void microvm_machine_initfn(Object *obj)
 {
     MicrovmMachineState *mms = MICROVM_MACHINE(obj);
@@ -714,9 +669,6 @@ static void microvm_machine_initfn(Object *obj)
     qemu_add_machine_init_done_notifier(&mms->machine_done);
     mms->powerdown_req.notify = microvm_powerdown_req;
     qemu_register_powerdown_notifier(&mms->powerdown_req);
-
-    mms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
-    mms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
 }
 
 static void microvm_class_init(ObjectClass *oc, void *data)
@@ -805,24 +757,6 @@ static void microvm_class_init(ObjectClass *oc, void *data)
         MICROVM_MACHINE_AUTO_KERNEL_CMDLINE,
         "Set off to disable adding virtio-mmio devices to the kernel cmdline");
 
-    object_class_property_add_str(oc, MICROVM_MACHINE_OEM_ID,
-                                  microvm_machine_get_oem_id,
-                                  microvm_machine_set_oem_id);
-    object_class_property_set_description(oc, MICROVM_MACHINE_OEM_ID,
-                                          "Override the default value of field OEMID "
-                                          "in ACPI table header."
-                                          "The string may be up to 6 bytes in size");
-
-
-    object_class_property_add_str(oc, MICROVM_MACHINE_OEM_TABLE_ID,
-                                  microvm_machine_get_oem_table_id,
-                                  microvm_machine_set_oem_table_id);
-    object_class_property_set_description(oc, MICROVM_MACHINE_OEM_TABLE_ID,
-                                          "Override the default value of field OEM Table ID "
-                                          "in ACPI table header."
-                                          "The string may be up to 8 bytes in size");
-
-
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
 }
 
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 35e1770950..8a84b25a03 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1608,49 +1608,6 @@ static void pc_machine_set_max_fw_size(Object *obj, Visitor *v,
     pcms->max_fw_size = value;
 }
 
-static char *pc_machine_get_oem_id(Object *obj, Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-
-    return g_strdup(pcms->oem_id);
-}
-
-static void pc_machine_set_oem_id(Object *obj, const char *value, Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 6) {
-        error_setg(errp,
-          "User specified "PC_MACHINE_OEM_ID" value is bigger than "
-          "6 bytes in size");
-        return;
-    }
-
-    strncpy(pcms->oem_id, value, 6);
-}
-
-static char *pc_machine_get_oem_table_id(Object *obj, Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-
-    return g_strdup(pcms->oem_table_id);
-}
-
-static void pc_machine_set_oem_table_id(Object *obj, const char *value,
-                                        Error **errp)
-{
-    PCMachineState *pcms = PC_MACHINE(obj);
-    size_t len = strlen(value);
-
-    if (len > 8) {
-        error_setg(errp,
-          "User specified "PC_MACHINE_OEM_TABLE_ID" value is bigger than "
-          "8 bytes in size");
-        return;
-    }
-    strncpy(pcms->oem_table_id, value, 8);
-}
 
 static void pc_machine_initfn(Object *obj)
 {
@@ -1664,8 +1621,6 @@ static void pc_machine_initfn(Object *obj)
     pcms->max_ram_below_4g = 0; /* use default */
     /* acpi build is enabled by default if machine supports it */
     pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build;
-    pcms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
-    pcms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
     pcms->smbus_enabled = true;
     pcms->sata_enabled = true;
     pcms->pit_enabled = true;
@@ -1802,24 +1757,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
         NULL, NULL);
     object_class_property_set_description(oc, PC_MACHINE_MAX_FW_SIZE,
         "Maximum combined firmware size");
-
-    object_class_property_add_str(oc, PC_MACHINE_OEM_ID,
-                                  pc_machine_get_oem_id,
-                                  pc_machine_set_oem_id);
-    object_class_property_set_description(oc, PC_MACHINE_OEM_ID,
-                                          "Override the default value of field OEMID "
-                                          "in ACPI table header."
-                                          "The string may be up to 6 bytes in size");
-
-
-    object_class_property_add_str(oc, PC_MACHINE_OEM_TABLE_ID,
-                                  pc_machine_get_oem_table_id,
-                                  pc_machine_set_oem_table_id);
-    object_class_property_set_description(oc, PC_MACHINE_OEM_TABLE_ID,
-                                          "Override the default value of field OEM Table ID "
-                                          "in ACPI table header."
-                                          "The string may be up to 8 bytes in size");
-
 }
 
 static const TypeInfo pc_machine_info = {
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 7865660e2c..ed796fe6ba 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -1201,6 +1201,51 @@ static void x86_machine_set_acpi(Object *obj, Visitor *v, const char *name,
     visit_type_OnOffAuto(v, name, &x86ms->acpi, errp);
 }
 
+static char *x86_machine_get_oem_id(Object *obj, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+
+    return g_strdup(x86ms->oem_id);
+}
+
+static void x86_machine_set_oem_id(Object *obj, const char *value, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+    size_t len = strlen(value);
+
+    if (len > 6) {
+        error_setg(errp,
+                   "User specified "X86_MACHINE_OEM_ID" value is bigger than "
+                   "6 bytes in size");
+        return;
+    }
+
+    strncpy(x86ms->oem_id, value, 6);
+}
+
+static char *x86_machine_get_oem_table_id(Object *obj, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+
+    return g_strdup(x86ms->oem_table_id);
+}
+
+static void x86_machine_set_oem_table_id(Object *obj, const char *value,
+                                         Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+    size_t len = strlen(value);
+
+    if (len > 8) {
+        error_setg(errp,
+                   "User specified "X86_MACHINE_OEM_TABLE_ID
+                   " value is bigger than "
+                   "8 bytes in size");
+        return;
+    }
+    strncpy(x86ms->oem_table_id, value, 8);
+}
+
 static void x86_machine_initfn(Object *obj)
 {
     X86MachineState *x86ms = X86_MACHINE(obj);
@@ -1209,6 +1254,8 @@ static void x86_machine_initfn(Object *obj)
     x86ms->acpi = ON_OFF_AUTO_AUTO;
     x86ms->smp_dies = 1;
     x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS;
+    x86ms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
+    x86ms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
 }
 
 static void x86_machine_class_init(ObjectClass *oc, void *data)
@@ -1235,6 +1282,23 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
         NULL, NULL);
     object_class_property_set_description(oc, X86_MACHINE_ACPI,
         "Enable ACPI");
+
+    object_class_property_add_str(oc, X86_MACHINE_OEM_ID,
+                                  x86_machine_get_oem_id,
+                                  x86_machine_set_oem_id);
+    object_class_property_set_description(oc, X86_MACHINE_OEM_ID,
+                                          "Override the default value of field OEMID "
+                                          "in ACPI table header."
+                                          "The string may be up to 6 bytes in size");
+
+
+    object_class_property_add_str(oc, X86_MACHINE_OEM_TABLE_ID,
+                                  x86_machine_get_oem_table_id,
+                                  x86_machine_set_oem_table_id);
+    object_class_property_set_description(oc, X86_MACHINE_OEM_TABLE_ID,
+                                          "Override the default value of field OEM Table ID "
+                                          "in ACPI table header."
+                                          "The string may be up to 8 bytes in size");
 }
 
 static const TypeInfo x86_machine_info = {
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 0eadcdbc9e..ac9a24889c 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -79,6 +79,7 @@ static Property pci_props[] = {
                     QEMU_PCIE_EXTCAP_INIT_BITNR, true),
     DEFINE_PROP_STRING("failover_pair_id", PCIDevice,
                        failover_pair_id),
+    DEFINE_PROP_UINT32("acpi-index",  PCIDevice, acpi_index, 0),
     DEFINE_PROP_END_OF_LIST()
 };
 
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 2fdd5daf74..ded0c10453 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -16,6 +16,7 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-net.h"
 #include "chardev/char-fe.h"
+#include "io/channel-socket.h"
 #include "sysemu/kvm.h"
 #include "qemu/error-report.h"
 #include "qemu/main-loop.h"
@@ -237,7 +238,8 @@ struct vhost_user {
     struct vhost_dev *dev;
     /* Shared between vhost devs of the same virtio device */
     VhostUserState *user;
-    int slave_fd;
+    QIOChannel *slave_ioc;
+    GSource *slave_src;
     NotifierWithReturn postcopy_notifier;
     struct PostCopyFD  postcopy_fd;
     uint64_t           postcopy_client_bases[VHOST_USER_MAX_RAM_SLOTS];
@@ -294,15 +296,27 @@ static int vhost_user_read_header(struct vhost_dev *dev, VhostUserMsg *msg)
     return 0;
 }
 
-static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
+struct vhost_user_read_cb_data {
+    struct vhost_dev *dev;
+    VhostUserMsg *msg;
+    GMainLoop *loop;
+    int ret;
+};
+
+static gboolean vhost_user_read_cb(GIOChannel *source, GIOCondition condition,
+                                   gpointer opaque)
 {
+    struct vhost_user_read_cb_data *data = opaque;
+    struct vhost_dev *dev = data->dev;
+    VhostUserMsg *msg = data->msg;
     struct vhost_user *u = dev->opaque;
     CharBackend *chr = u->user->chr;
     uint8_t *p = (uint8_t *) msg;
     int r, size;
 
     if (vhost_user_read_header(dev, msg) < 0) {
-        return -1;
+        data->ret = -1;
+        goto end;
     }
 
     /* validate message size is sane */
@@ -310,7 +324,8 @@ static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
         error_report("Failed to read msg header."
                 " Size %d exceeds the maximum %zu.", msg->hdr.size,
                 VHOST_USER_PAYLOAD_SIZE);
-        return -1;
+        data->ret = -1;
+        goto end;
     }
 
     if (msg->hdr.size) {
@@ -320,11 +335,84 @@ static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
         if (r != size) {
             error_report("Failed to read msg payload."
                          " Read %d instead of %d.", r, msg->hdr.size);
-            return -1;
+            data->ret = -1;
+            goto end;
         }
     }
 
-    return 0;
+end:
+    g_main_loop_quit(data->loop);
+    return G_SOURCE_REMOVE;
+}
+
+static gboolean slave_read(QIOChannel *ioc, GIOCondition condition,
+                           gpointer opaque);
+
+/*
+ * This updates the read handler to use a new event loop context.
+ * Event sources are removed from the previous context : this ensures
+ * that events detected in the previous context are purged. They will
+ * be re-detected and processed in the new context.
+ */
+static void slave_update_read_handler(struct vhost_dev *dev,
+                                      GMainContext *ctxt)
+{
+    struct vhost_user *u = dev->opaque;
+
+    if (!u->slave_ioc) {
+        return;
+    }
+
+    if (u->slave_src) {
+        g_source_destroy(u->slave_src);
+        g_source_unref(u->slave_src);
+    }
+
+    u->slave_src = qio_channel_add_watch_source(u->slave_ioc,
+                                                G_IO_IN | G_IO_HUP,
+                                                slave_read, dev, NULL,
+                                                ctxt);
+}
+
+static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
+{
+    struct vhost_user *u = dev->opaque;
+    CharBackend *chr = u->user->chr;
+    GMainContext *prev_ctxt = chr->chr->gcontext;
+    GMainContext *ctxt = g_main_context_new();
+    GMainLoop *loop = g_main_loop_new(ctxt, FALSE);
+    struct vhost_user_read_cb_data data = {
+        .dev = dev,
+        .loop = loop,
+        .msg = msg,
+        .ret = 0
+    };
+
+    /*
+     * We want to be able to monitor the slave channel fd while waiting
+     * for chr I/O. This requires an event loop, but we can't nest the
+     * one to which chr is currently attached : its fd handlers might not
+     * be prepared for re-entrancy. So we create a new one and switch chr
+     * to use it.
+     */
+    slave_update_read_handler(dev, ctxt);
+    qemu_chr_be_update_read_handlers(chr->chr, ctxt);
+    qemu_chr_fe_add_watch(chr, G_IO_IN | G_IO_HUP, vhost_user_read_cb, &data);
+
+    g_main_loop_run(loop);
+
+    /*
+     * Restore the previous event loop context. This also destroys/recreates
+     * event sources : this guarantees that all pending events in the original
+     * context that have been processed by the nested loop are purged.
+     */
+    qemu_chr_be_update_read_handlers(chr->chr, prev_ctxt);
+    slave_update_read_handler(dev, NULL);
+
+    g_main_loop_unref(loop);
+    g_main_context_unref(ctxt);
+
+    return data.ret;
 }
 
 static int process_message_reply(struct vhost_dev *dev,
@@ -1392,56 +1480,39 @@ static int vhost_user_slave_handle_vring_host_notifier(struct vhost_dev *dev,
     return 0;
 }
 
-static void slave_read(void *opaque)
+static void close_slave_channel(struct vhost_user *u)
+{
+    g_source_destroy(u->slave_src);
+    g_source_unref(u->slave_src);
+    u->slave_src = NULL;
+    object_unref(OBJECT(u->slave_ioc));
+    u->slave_ioc = NULL;
+}
+
+static gboolean slave_read(QIOChannel *ioc, GIOCondition condition,
+                           gpointer opaque)
 {
     struct vhost_dev *dev = opaque;
     struct vhost_user *u = dev->opaque;
     VhostUserHeader hdr = { 0, };
     VhostUserPayload payload = { 0, };
-    int size, ret = 0;
+    Error *local_err = NULL;
+    gboolean rc = G_SOURCE_CONTINUE;
+    int ret = 0;
     struct iovec iov;
-    struct msghdr msgh;
-    int fd[VHOST_USER_SLAVE_MAX_FDS];
-    char control[CMSG_SPACE(sizeof(fd))];
-    struct cmsghdr *cmsg;
-    int i, fdsize = 0;
-
-    memset(&msgh, 0, sizeof(msgh));
-    msgh.msg_iov = &iov;
-    msgh.msg_iovlen = 1;
-    msgh.msg_control = control;
-    msgh.msg_controllen = sizeof(control);
-
-    memset(fd, -1, sizeof(fd));
+    g_autofree int *fd = NULL;
+    size_t fdsize = 0;
+    int i;
 
     /* Read header */
     iov.iov_base = &hdr;
     iov.iov_len = VHOST_USER_HDR_SIZE;
 
-    do {
-        size = recvmsg(u->slave_fd, &msgh, 0);
-    } while (size < 0 && (errno == EINTR || errno == EAGAIN));
-
-    if (size != VHOST_USER_HDR_SIZE) {
-        error_report("Failed to read from slave.");
+    if (qio_channel_readv_full_all(ioc, &iov, 1, &fd, &fdsize, &local_err)) {
+        error_report_err(local_err);
         goto err;
     }
 
-    if (msgh.msg_flags & MSG_CTRUNC) {
-        error_report("Truncated message.");
-        goto err;
-    }
-
-    for (cmsg = CMSG_FIRSTHDR(&msgh); cmsg != NULL;
-         cmsg = CMSG_NXTHDR(&msgh, cmsg)) {
-            if (cmsg->cmsg_level == SOL_SOCKET &&
-                cmsg->cmsg_type == SCM_RIGHTS) {
-                    fdsize = cmsg->cmsg_len - CMSG_LEN(0);
-                    memcpy(fd, CMSG_DATA(cmsg), fdsize);
-                    break;
-            }
-    }
-
     if (hdr.size > VHOST_USER_PAYLOAD_SIZE) {
         error_report("Failed to read msg header."
                 " Size %d exceeds the maximum %zu.", hdr.size,
@@ -1450,12 +1521,8 @@ static void slave_read(void *opaque)
     }
 
     /* Read payload */
-    do {
-        size = read(u->slave_fd, &payload, hdr.size);
-    } while (size < 0 && (errno == EINTR || errno == EAGAIN));
-
-    if (size != hdr.size) {
-        error_report("Failed to read payload from slave.");
+    if (qio_channel_read_all(ioc, (char *) &payload, hdr.size, &local_err)) {
+        error_report_err(local_err);
         goto err;
     }
 
@@ -1468,20 +1535,13 @@ static void slave_read(void *opaque)
         break;
     case VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG:
         ret = vhost_user_slave_handle_vring_host_notifier(dev, &payload.area,
-                                                          fd[0]);
+                                                          fd ? fd[0] : -1);
         break;
     default:
         error_report("Received unexpected msg type: %d.", hdr.request);
         ret = -EINVAL;
     }
 
-    /* Close the remaining file descriptors. */
-    for (i = 0; i < fdsize; i++) {
-        if (fd[i] != -1) {
-            close(fd[i]);
-        }
-    }
-
     /*
      * REPLY_ACK feature handling. Other reply types has to be managed
      * directly in their request handlers.
@@ -1501,28 +1561,25 @@ static void slave_read(void *opaque)
         iovec[1].iov_base = &payload;
         iovec[1].iov_len = hdr.size;
 
-        do {
-            size = writev(u->slave_fd, iovec, ARRAY_SIZE(iovec));
-        } while (size < 0 && (errno == EINTR || errno == EAGAIN));
-
-        if (size != VHOST_USER_HDR_SIZE + hdr.size) {
-            error_report("Failed to send msg reply to slave.");
+        if (qio_channel_writev_all(ioc, iovec, ARRAY_SIZE(iovec), &local_err)) {
+            error_report_err(local_err);
             goto err;
         }
     }
 
-    return;
+    goto fdcleanup;
 
 err:
-    qemu_set_fd_handler(u->slave_fd, NULL, NULL, NULL);
-    close(u->slave_fd);
-    u->slave_fd = -1;
-    for (i = 0; i < fdsize; i++) {
-        if (fd[i] != -1) {
+    close_slave_channel(u);
+    rc = G_SOURCE_REMOVE;
+
+fdcleanup:
+    if (fd) {
+        for (i = 0; i < fdsize; i++) {
             close(fd[i]);
         }
     }
-    return;
+    return rc;
 }
 
 static int vhost_setup_slave_channel(struct vhost_dev *dev)
@@ -1535,6 +1592,8 @@ static int vhost_setup_slave_channel(struct vhost_dev *dev)
     int sv[2], ret = 0;
     bool reply_supported = virtio_has_feature(dev->protocol_features,
                                               VHOST_USER_PROTOCOL_F_REPLY_ACK);
+    Error *local_err = NULL;
+    QIOChannel *ioc;
 
     if (!virtio_has_feature(dev->protocol_features,
                             VHOST_USER_PROTOCOL_F_SLAVE_REQ)) {
@@ -1546,8 +1605,13 @@ static int vhost_setup_slave_channel(struct vhost_dev *dev)
         return -1;
     }
 
-    u->slave_fd = sv[0];
-    qemu_set_fd_handler(u->slave_fd, slave_read, NULL, dev);
+    ioc = QIO_CHANNEL(qio_channel_socket_new_fd(sv[0], &local_err));
+    if (!ioc) {
+        error_report_err(local_err);
+        return -1;
+    }
+    u->slave_ioc = ioc;
+    slave_update_read_handler(dev, NULL);
 
     if (reply_supported) {
         msg.hdr.flags |= VHOST_USER_NEED_REPLY_MASK;
@@ -1565,9 +1629,7 @@ static int vhost_setup_slave_channel(struct vhost_dev *dev)
 out:
     close(sv[1]);
     if (ret) {
-        qemu_set_fd_handler(u->slave_fd, NULL, NULL, NULL);
-        close(u->slave_fd);
-        u->slave_fd = -1;
+        close_slave_channel(u);
     }
 
     return ret;
@@ -1804,7 +1866,6 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque)
 
     u = g_new0(struct vhost_user, 1);
     u->user = opaque;
-    u->slave_fd = -1;
     u->dev = dev;
     dev->opaque = u;
 
@@ -1919,10 +1980,8 @@ static int vhost_user_backend_cleanup(struct vhost_dev *dev)
         close(u->postcopy_fd.fd);
         u->postcopy_fd.handler = NULL;
     }
-    if (u->slave_fd >= 0) {
-        qemu_set_fd_handler(u->slave_fd, NULL, NULL, NULL);
-        close(u->slave_fd);
-        u->slave_fd = -1;
+    if (u->slave_ioc) {
+        close_slave_channel(u);
     }
     g_free(u->region_rb);
     u->region_rb = NULL;
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index 6990b9879c..342c918ea7 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -112,15 +112,28 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size)
 
     if (offset >= VIRTIO_MMIO_CONFIG) {
         offset -= VIRTIO_MMIO_CONFIG;
-        switch (size) {
-        case 1:
-            return virtio_config_readb(vdev, offset);
-        case 2:
-            return virtio_config_readw(vdev, offset);
-        case 4:
-            return virtio_config_readl(vdev, offset);
-        default:
-            abort();
+        if (proxy->legacy) {
+            switch (size) {
+            case 1:
+                return virtio_config_readb(vdev, offset);
+            case 2:
+                return virtio_config_readw(vdev, offset);
+            case 4:
+                return virtio_config_readl(vdev, offset);
+            default:
+                abort();
+            }
+        } else {
+            switch (size) {
+            case 1:
+                return virtio_config_modern_readb(vdev, offset);
+            case 2:
+                return virtio_config_modern_readw(vdev, offset);
+            case 4:
+                return virtio_config_modern_readl(vdev, offset);
+            default:
+                abort();
+            }
         }
     }
     if (size != 4) {
@@ -245,20 +258,37 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
 
     if (offset >= VIRTIO_MMIO_CONFIG) {
         offset -= VIRTIO_MMIO_CONFIG;
-        switch (size) {
-        case 1:
-            virtio_config_writeb(vdev, offset, value);
-            break;
-        case 2:
-            virtio_config_writew(vdev, offset, value);
-            break;
-        case 4:
-            virtio_config_writel(vdev, offset, value);
-            break;
-        default:
-            abort();
+        if (proxy->legacy) {
+            switch (size) {
+            case 1:
+                virtio_config_writeb(vdev, offset, value);
+                break;
+            case 2:
+                virtio_config_writew(vdev, offset, value);
+                break;
+            case 4:
+                virtio_config_writel(vdev, offset, value);
+                break;
+            default:
+                abort();
+            }
+            return;
+        } else {
+            switch (size) {
+            case 1:
+                virtio_config_modern_writeb(vdev, offset, value);
+                break;
+            case 2:
+                virtio_config_modern_writew(vdev, offset, value);
+                break;
+            case 4:
+                virtio_config_modern_writel(vdev, offset, value);
+                break;
+            default:
+                abort();
+            }
+            return;
         }
-        return;
     }
     if (size != 4) {
         qemu_log_mask(LOG_GUEST_ERROR,
diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c
index a3e0688a89..d1aeb90a31 100644
--- a/hw/virtio/virtio-pmem.c
+++ b/hw/virtio/virtio-pmem.c
@@ -47,7 +47,7 @@ static int worker_cb(void *opaque)
         err = 1;
     }
 
-    virtio_stw_p(req_data->vdev, &req_data->resp.ret, err);
+    virtio_stl_p(req_data->vdev, &req_data->resp.ret, err);
 
     return 0;
 }
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 380d3e3924..471266d739 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -4,9 +4,6 @@
 #include "hw/acpi/acpi-defs.h"
 #include "hw/acpi/bios-linker-loader.h"
 
-/* Reserve RAM space for tables: add another order of magnitude. */
-#define ACPI_BUILD_TABLE_MAX_SIZE         0x200000
-
 #define ACPI_BUILD_APPNAME6 "BOCHS "
 #define ACPI_BUILD_APPNAME8 "BXPC    "
 
@@ -301,6 +298,7 @@ Aml *aml_arg(int pos);
 Aml *aml_to_integer(Aml *arg);
 Aml *aml_to_hexstring(Aml *src, Aml *dst);
 Aml *aml_to_buffer(Aml *src, Aml *dst);
+Aml *aml_to_decimalstring(Aml *src, Aml *dst);
 Aml *aml_store(Aml *val, Aml *target);
 Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst);
 Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst);
@@ -323,6 +321,8 @@ Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
 Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
 Aml *aml_call5(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
                Aml *arg5);
+Aml *aml_call6(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4,
+               Aml *arg5, Aml *arg6);
 Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro,
                   AmlLevelAndEdge edge_level,
                   AmlActiveHighAndLow active_level, AmlShared shared,
diff --git a/include/hw/acpi/pci.h b/include/hw/acpi/pci.h
index e514f179d8..b5deee0a9d 100644
--- a/include/hw/acpi/pci.h
+++ b/include/hw/acpi/pci.h
@@ -35,4 +35,5 @@ typedef struct AcpiMcfgInfo {
 
 void build_mcfg(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info,
                 const char *oem_id, const char *oem_table_id);
+Aml *aml_pci_device_dsm(void);
 #endif
diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h
index dfd375820f..2dd90aea30 100644
--- a/include/hw/acpi/pcihp.h
+++ b/include/hw/acpi/pcihp.h
@@ -46,6 +46,7 @@ typedef struct AcpiPciHpPciStatus {
 typedef struct AcpiPciHpState {
     AcpiPciHpPciStatus acpi_pcihp_pci_status[ACPI_PCIHP_MAX_HOTPLUG_BUS];
     uint32_t hotplug_select;
+    uint32_t acpi_index;
     PCIBus *root;
     MemoryRegion io;
     bool legacy_piix;
@@ -71,13 +72,17 @@ void acpi_pcihp_reset(AcpiPciHpState *s, bool acpihp_root_off);
 
 extern const VMStateDescription vmstate_acpi_pcihp_pci_status;
 
-#define VMSTATE_PCI_HOTPLUG(pcihp, state, test_pcihp) \
+bool vmstate_acpi_pcihp_use_acpi_index(void *opaque, int version_id);
+
+#define VMSTATE_PCI_HOTPLUG(pcihp, state, test_pcihp, test_acpi_index) \
         VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \
                             test_pcihp), \
         VMSTATE_STRUCT_ARRAY_TEST(pcihp.acpi_pcihp_pci_status, state, \
                                   ACPI_PCIHP_MAX_HOTPLUG_BUS, \
                                   test_pcihp, 1, \
                                   vmstate_acpi_pcihp_pci_status, \
-                                  AcpiPciHpPciStatus)
+                                  AcpiPciHpPciStatus), \
+        VMSTATE_UINT32_TEST(pcihp.acpi_index, state, \
+                            test_acpi_index)
 
 #endif
diff --git a/include/hw/acpi/utils.h b/include/hw/acpi/utils.h
index 140b4de603..0022df027d 100644
--- a/include/hw/acpi/utils.h
+++ b/include/hw/acpi/utils.h
@@ -4,6 +4,5 @@
 #include "hw/nvram/fw_cfg.h"
 
 MemoryRegion *acpi_add_rom_blob(FWCfgCallback update, void *opaque,
-                                GArray *blob, const char *name,
-                                uint64_t max_size);
+                                GArray *blob, const char *name);
 #endif
diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 372b05774e..f25f837441 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -76,8 +76,6 @@
 #define MICROVM_MACHINE_ISA_SERIAL          "isa-serial"
 #define MICROVM_MACHINE_OPTION_ROMS         "x-option-roms"
 #define MICROVM_MACHINE_AUTO_KERNEL_CMDLINE "auto-kernel-cmdline"
-#define MICROVM_MACHINE_OEM_ID              "oem-id"
-#define MICROVM_MACHINE_OEM_TABLE_ID        "oem-table-id"
 
 struct MicrovmMachineClass {
     X86MachineClass parent;
@@ -106,8 +104,6 @@ struct MicrovmMachineState {
     Notifier machine_done;
     Notifier powerdown_req;
     struct GPEXConfig gpex;
-    char *oem_id;
-    char *oem_table_id;
 };
 
 #define TYPE_MICROVM_MACHINE   MACHINE_TYPE_NAME("microvm")
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index d4c3d73c11..dcf060b791 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -46,8 +46,6 @@ typedef struct PCMachineState {
     bool pit_enabled;
     bool hpet_enabled;
     uint64_t max_fw_size;
-    char *oem_id;
-    char *oem_table_id;
 
     /* NUMA information: */
     uint64_t numa_nodes;
@@ -65,8 +63,6 @@ typedef struct PCMachineState {
 #define PC_MACHINE_SATA             "sata"
 #define PC_MACHINE_PIT              "pit"
 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
-#define PC_MACHINE_OEM_ID           "oem-id"
-#define PC_MACHINE_OEM_TABLE_ID     "oem-table-id"
 /**
  * PCMachineClass:
  *
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 56080bd1fb..26c9cc45a4 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -67,6 +67,8 @@ struct X86MachineState {
     OnOffAuto smm;
     OnOffAuto acpi;
 
+    char *oem_id;
+    char *oem_table_id;
     /*
      * Address space used by IOAPIC device. All IOAPIC interrupts
      * will be translated to MSI messages in the address space.
@@ -76,6 +78,8 @@ struct X86MachineState {
 
 #define X86_MACHINE_SMM              "smm"
 #define X86_MACHINE_ACPI             "acpi"
+#define X86_MACHINE_OEM_ID           "oem-id"
+#define X86_MACHINE_OEM_TABLE_ID     "oem-table-id"
 
 #define TYPE_X86_MACHINE   MACHINE_TYPE_NAME("x86")
 OBJECT_DECLARE_TYPE(X86MachineState, X86MachineClass, X86_MACHINE)
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 1bc231480f..6be4e0c460 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -359,6 +359,7 @@ struct PCIDevice {
 
     /* ID of standby device in net_failover pair */
     char *failover_pair_id;
+    uint32_t acpi_index;
 };
 
 void pci_register_bar(PCIDevice *pci_dev, int region_num,
diff --git a/tests/data/acpi/pc/DSDT b/tests/data/acpi/pc/DSDT
index 11ef89bd32..b9dd9b38e4 100644
--- a/tests/data/acpi/pc/DSDT
+++ b/tests/data/acpi/pc/DSDT
diff --git a/tests/data/acpi/pc/DSDT.acpihmat b/tests/data/acpi/pc/DSDT.acpihmat
index c561e91be7..cba5a1dcb0 100644
--- a/tests/data/acpi/pc/DSDT.acpihmat
+++ b/tests/data/acpi/pc/DSDT.acpihmat
diff --git a/tests/data/acpi/pc/DSDT.bridge b/tests/data/acpi/pc/DSDT.bridge
index a234075518..a9b4d56594 100644
--- a/tests/data/acpi/pc/DSDT.bridge
+++ b/tests/data/acpi/pc/DSDT.bridge
diff --git a/tests/data/acpi/pc/DSDT.cphp b/tests/data/acpi/pc/DSDT.cphp
index 6ac47a7d10..8d86155e27 100644
--- a/tests/data/acpi/pc/DSDT.cphp
+++ b/tests/data/acpi/pc/DSDT.cphp
diff --git a/tests/data/acpi/pc/DSDT.dimmpxm b/tests/data/acpi/pc/DSDT.dimmpxm
index d24377279c..e00a447f92 100644
--- a/tests/data/acpi/pc/DSDT.dimmpxm
+++ b/tests/data/acpi/pc/DSDT.dimmpxm
diff --git a/tests/data/acpi/pc/DSDT.hpbridge b/tests/data/acpi/pc/DSDT.hpbridge
index 9dfac45eab..5d8ba19505 100644
--- a/tests/data/acpi/pc/DSDT.hpbridge
+++ b/tests/data/acpi/pc/DSDT.hpbridge
diff --git a/tests/data/acpi/pc/DSDT.ipmikcs b/tests/data/acpi/pc/DSDT.ipmikcs
index 1814f291b7..01e53bd436 100644
--- a/tests/data/acpi/pc/DSDT.ipmikcs
+++ b/tests/data/acpi/pc/DSDT.ipmikcs
diff --git a/tests/data/acpi/pc/DSDT.memhp b/tests/data/acpi/pc/DSDT.memhp
index 3c81339d39..b8103799b4 100644
--- a/tests/data/acpi/pc/DSDT.memhp
+++ b/tests/data/acpi/pc/DSDT.memhp
diff --git a/tests/data/acpi/pc/DSDT.nohpet b/tests/data/acpi/pc/DSDT.nohpet
index d7d21be070..d4f0050533 100644
--- a/tests/data/acpi/pc/DSDT.nohpet
+++ b/tests/data/acpi/pc/DSDT.nohpet
diff --git a/tests/data/acpi/pc/DSDT.numamem b/tests/data/acpi/pc/DSDT.numamem
index 195f8da900..8632dfe8a8 100644
--- a/tests/data/acpi/pc/DSDT.numamem
+++ b/tests/data/acpi/pc/DSDT.numamem
diff --git a/tests/data/acpi/pc/DSDT.roothp b/tests/data/acpi/pc/DSDT.roothp
index 1d0a2c2f3c..cee3b4d80b 100644
--- a/tests/data/acpi/pc/DSDT.roothp
+++ b/tests/data/acpi/pc/DSDT.roothp