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

pci, pc, virtio fixes and cleanups

A bunch of fixes all over the place.
All of ACPI refactoring has been merged.
Legacy pci commands have been dropped.
virtio header cleanup
initial patches from virtio-1.0 branch

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

* remotes/mst/tags/for_upstream: (130 commits)
  acpi: drop unused code
  aml-build: comment fix
  acpi-build: fix typo in comment
  acpi: update generated files
  vhost user:support vhost user nic for non msi guests
  aml-build: fix build for glib < 2.22
  acpi: update generated files
  Makefile.target: binary depends on config-devices
  acpi-test-data: update after pci rewrite
  acpi, mem-hotplug: use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb().
  pci-hotplug-old: Has been dead for five major releases, bury
  pci: Give a few helpers internal linkage
  acpi: make build_*() routines static to aml-build.c
  pc: acpi: remove not used anymore ssdt-[misc|pcihp].hex.generated blobs
  pc: acpi-build: drop template patching and create PCI bus tree dynamically
  tests: ACPI: update pc/SSDT.bridge due to new alg of PCI tree creation
  pc: acpi-build: simplify PCI bus tree generation
  tests: add ACPI blobs for qemu with bridge cases
  tests: bios-tables-test: add support for testing bridges
  tests: ACPI test blobs update due to PCI0._CRS changes
  ...

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

Conflicts:
	hw/pci/pci-hotplug-old.c

default-configs/i386-softmmu.mak

@@ -26,7 +26,6 @@ CONFIG_APPLESMC=y
 CONFIG_I8259=y
 CONFIG_PFLASH_CFI01=y
 CONFIG_TPM_TIS=$(CONFIG_TPM)
-CONFIG_PCI_HOTPLUG_OLD=y
 CONFIG_MC146818RTC=y
 CONFIG_PAM=y
 CONFIG_PCI_PIIX=y

default-configs/x86_64-softmmu.mak

@@ -26,7 +26,6 @@ CONFIG_APPLESMC=y
 CONFIG_I8259=y
 CONFIG_PFLASH_CFI01=y
 CONFIG_TPM_TIS=$(CONFIG_TPM)
-CONFIG_PCI_HOTPLUG_OLD=y
 CONFIG_MC146818RTC=y
 CONFIG_PAM=y
 CONFIG_PCI_PIIX=y

device-hotplug.c

@@ -30,7 +30,7 @@
 #include "sysemu/sysemu.h"
 #include "monitor/monitor.h"
 
-DriveInfo *add_init_drive(const char *optstr)
+static DriveInfo *add_init_drive(const char *optstr)
 {
     DriveInfo *dinfo;
     QemuOpts *opts;
@@ -69,9 +69,8 @@ void hmp_drive_add(Monitor *mon, const QDict *qdict)
         monitor_printf(mon, "OK\n");
         break;
     default:
-        if (pci_drive_hot_add(mon, qdict, dinfo)) {
-            goto err;
-        }
+        monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
+        goto err;
     }
     return;
 

exec.c

@@ -1347,6 +1347,8 @@ int qemu_ram_resize(ram_addr_t base, ram_addr_t newsize, Error **errp)
 
     assert(block);
 
+    newsize = TARGET_PAGE_ALIGN(newsize);
+
     if (block->used_length == newsize) {
         return 0;
     }

hmp-commands.hx

@@ -1147,38 +1147,6 @@ STEXI
 @item drive_add
 @findex drive_add
 Add drive to PCI storage controller.
-ETEXI
-
-#if defined(CONFIG_PCI_HOTPLUG_OLD)
-    {
-        .name       = "pci_add",
-        .args_type  = "pci_addr:s,type:s,opts:s?",
-        .params     = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
-        .help       = "hot-add PCI device",
-        .mhandler.cmd = hmp_pci_add,
-    },
-#endif
-
-STEXI
-@item pci_add
-@findex pci_add
-Hot-add PCI device.
-ETEXI
-
-#if defined(CONFIG_PCI_HOTPLUG_OLD)
-    {
-        .name       = "pci_del",
-        .args_type  = "pci_addr:s",
-        .params     = "[[<domain>:]<bus>:]<slot>",
-        .help       = "hot remove PCI device",
-        .mhandler.cmd = hmp_pci_del,
-    },
-#endif
-
-STEXI
-@item pci_del
-@findex pci_del
-Hot remove PCI device.
 ETEXI
 
     {

hw/9pfs/virtio-9p-device.c

@@ -23,7 +23,7 @@
 
 static uint32_t virtio_9p_get_features(VirtIODevice *vdev, uint32_t features)
 {
-    features |= 1 << VIRTIO_9P_MOUNT_TAG;
+    virtio_add_feature(&features, VIRTIO_9P_MOUNT_TAG);
     return features;
 }
 

hw/9pfs/virtio-9p.h

@@ -7,16 +7,14 @@
 #include <utime.h>
 #include <sys/resource.h>
 #include <glib.h>
+#include "standard-headers/linux/virtio_9p.h"
 #include "hw/virtio/virtio.h"
+#include "hw/virtio/virtio-9p.h"
 #include "fsdev/file-op-9p.h"
 #include "fsdev/virtio-9p-marshal.h"
 #include "qemu/thread.h"
 #include "block/coroutine.h"
 
-/* The feature bitmap for virtio 9P */
-/* The mount point is specified in a config variable */
-#define VIRTIO_9P_MOUNT_TAG 0
-
 enum {
     P9_TLERROR = 6,
     P9_RLERROR,
@@ -144,10 +142,6 @@ struct V9fsPDU
  * 1) change user needs to set groups and stuff
  */
 
-/* from Linux's linux/virtio_9p.h */
-
-/* The ID for virtio console */
-#define VIRTIO_ID_9P    9
 #define MAX_REQ         128
 #define MAX_TAG_LEN     32
 
@@ -277,14 +271,6 @@ typedef struct V9fsWriteState {
     int cnt;
 } V9fsWriteState;
 
-struct virtio_9p_config
-{
-    /* number of characters in tag */
-    uint16_t tag_len;
-    /* Variable size tag name */
-    uint8_t tag[0];
-} QEMU_PACKED;
-
 typedef struct V9fsMkState {
     V9fsPDU *pdu;
     size_t offset;

hw/acpi/Makefile.objs

@@ -2,3 +2,4 @@ common-obj-$(CONFIG_ACPI) += core.o piix4.o ich9.o pcihp.o cpu_hotplug.o
 common-obj-$(CONFIG_ACPI) += memory_hotplug.o
 common-obj-$(CONFIG_ACPI) += acpi_interface.o
 common-obj-$(CONFIG_ACPI) += bios-linker-loader.o
+common-obj-$(CONFIG_ACPI) += aml-build.o

hw/acpi/bios-linker-loader.c

@@ -141,6 +141,7 @@ void bios_linker_loader_add_pointer(GArray *linker,
                                     uint8_t pointer_size)
 {
     BiosLinkerLoaderEntry entry;
+    size_t offset = (gchar *)pointer - table->data;
 
     memset(&entry, 0, sizeof entry);
     strncpy(entry.pointer.dest_file, dest_file,
@@ -148,7 +149,8 @@ void bios_linker_loader_add_pointer(GArray *linker,
     strncpy(entry.pointer.src_file, src_file,
             sizeof entry.pointer.src_file - 1);
     entry.command = cpu_to_le32(BIOS_LINKER_LOADER_COMMAND_ADD_POINTER);
-    entry.pointer.offset = cpu_to_le32((gchar *)pointer - table->data);
+    assert(table->len >= offset + pointer_size);
+    entry.pointer.offset = cpu_to_le32(offset);
     entry.pointer.size = pointer_size;
     assert(pointer_size == 1 || pointer_size == 2 ||
            pointer_size == 4 || pointer_size == 8);

hw/acpi/ich9.c

@@ -397,6 +397,20 @@ void ich9_pm_device_plug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp)
     }
 }
 
+void ich9_pm_device_unplug_request_cb(ICH9LPCPMRegs *pm, DeviceState *dev,
+                                      Error **errp)
+{
+    error_setg(errp, "acpi: device unplug request for not supported device"
+               " type: %s", object_get_typename(OBJECT(dev)));
+}
+
+void ich9_pm_device_unplug_cb(ICH9LPCPMRegs *pm, DeviceState *dev,
+                              Error **errp)
+{
+    error_setg(errp, "acpi: device unplug for not supported device"
+               " type: %s", object_get_typename(OBJECT(dev)));
+}
+
 void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list)
 {
     ICH9LPCState *s = ICH9_LPC_DEVICE(adev);

hw/acpi/memory_hotplug.c

@@ -168,7 +168,8 @@ void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st,
 {
     MemStatus *mdev;
     Error *local_err = NULL;
-    int slot = object_property_get_int(OBJECT(dev), "slot", &local_err);
+    int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
+                                       &local_err);
 
     if (local_err) {
         error_propagate(errp, local_err);

hw/acpi/pcihp.c

@@ -297,10 +297,11 @@ static const MemoryRegionOps acpi_pcihp_io_ops = {
     },
 };
 
-void acpi_pcihp_init(AcpiPciHpState *s, PCIBus *root_bus,
+void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
                      MemoryRegion *address_space_io, bool bridges_enabled)
 {
-    uint16_t io_size = ACPI_PCIHP_SIZE;
+    s->io_len = ACPI_PCIHP_SIZE;
+    s->io_base = ACPI_PCIHP_ADDR;
 
     s->root= root_bus;
     s->legacy_piix = !bridges_enabled;
@@ -308,16 +309,21 @@ void acpi_pcihp_init(AcpiPciHpState *s, PCIBus *root_bus,
     if (s->legacy_piix) {
         unsigned *bus_bsel = g_malloc(sizeof *bus_bsel);
 
-        io_size = ACPI_PCIHP_LEGACY_SIZE;
+        s->io_len = ACPI_PCIHP_LEGACY_SIZE;
 
         *bus_bsel = ACPI_PCIHP_BSEL_DEFAULT;
         object_property_add_uint32_ptr(OBJECT(root_bus), ACPI_PCIHP_PROP_BSEL,
                                        bus_bsel, NULL);
     }
 
-    memory_region_init_io(&s->io, NULL, &acpi_pcihp_io_ops, s,
-                          "acpi-pci-hotplug", io_size);
-    memory_region_add_subregion(address_space_io, ACPI_PCIHP_ADDR, &s->io);
+    memory_region_init_io(&s->io, owner, &acpi_pcihp_io_ops, s,
+                          "acpi-pci-hotplug", s->io_len);
+    memory_region_add_subregion(address_space_io, s->io_base, &s->io);
+
+    object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_BASE_PROP, &s->io_base,
+                                   &error_abort);
+    object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_LEN_PROP, &s->io_len,
+                                   &error_abort);
 }
 
 const VMStateDescription vmstate_acpi_pcihp_pci_status = {

hw/acpi/piix4.c

@@ -370,6 +370,13 @@ static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev,
     }
 }
 
+static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev,
+                                   DeviceState *dev, Error **errp)
+{
+    error_setg(errp, "acpi: device unplug for not supported device"
+               " type: %s", object_get_typename(OBJECT(dev)));
+}
+
 static void piix4_update_bus_hotplug(PCIBus *pci_bus, void *opaque)
 {
     PIIX4PMState *s = opaque;
@@ -420,7 +427,7 @@ static void piix4_pm_add_propeties(PIIX4PMState *s)
                                   &s->io_base, NULL);
 }
 
-static int piix4_pm_initfn(PCIDevice *dev)
+static void piix4_pm_realize(PCIDevice *dev, Error **errp)
 {
     PIIX4PMState *s = PIIX4_PM(dev);
     uint8_t *pci_conf;
@@ -470,7 +477,6 @@ static int piix4_pm_initfn(PCIDevice *dev)
     piix4_acpi_system_hot_add_init(pci_address_space_io(dev), dev->bus, s);
 
     piix4_pm_add_propeties(s);
-    return 0;
 }
 
 Object *piix4_pm_find(void)
@@ -556,7 +562,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
                           "acpi-gpe0", GPE_LEN);
     memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe);
 
-    acpi_pcihp_init(&s->acpi_pci_hotplug, bus, parent,
+    acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent,
                     s->use_acpi_pci_hotplug);
 
     acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu,
@@ -593,7 +599,7 @@ static void piix4_pm_class_init(ObjectClass *klass, void *data)
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
     AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_CLASS(klass);
 
-    k->init = piix4_pm_initfn;
+    k->realize = piix4_pm_realize;
     k->config_write = pm_write_config;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->device_id = PCI_DEVICE_ID_INTEL_82371AB_3;
@@ -610,6 +616,7 @@ static void piix4_pm_class_init(ObjectClass *klass, void *data)
     dc->hotpluggable = false;
     hc->plug = piix4_device_plug_cb;
     hc->unplug_request = piix4_device_unplug_request_cb;
+    hc->unplug = piix4_device_unplug_cb;
     adevc->ospm_status = piix4_ospm_status;
 }
 

hw/audio/ac97.c

@@ -1337,7 +1337,7 @@ static void ac97_on_reset (DeviceState *dev)
     mixer_reset (s);
 }
 
-static int ac97_initfn (PCIDevice *dev)
+static void ac97_realize(PCIDevice *dev, Error **errp)
 {
     AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev);
     uint8_t *c = s->dev.config;
@@ -1384,7 +1384,6 @@ static int ac97_initfn (PCIDevice *dev)
     pci_register_bar (&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm);
     AUD_register_card ("ac97", &s->card);
     ac97_on_reset (&s->dev.qdev);
-    return 0;
 }
 
 static int ac97_init (PCIBus *bus)
@@ -1403,7 +1402,7 @@ static void ac97_class_init (ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS (klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
 
-    k->init = ac97_initfn;
+    k->realize = ac97_realize;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
     k->revision = 0x01;

hw/audio/es1370.c

@@ -1016,7 +1016,7 @@ static void es1370_on_reset (void *opaque)
     es1370_reset (s);
 }
 
-static int es1370_initfn (PCIDevice *dev)
+static void es1370_realize(PCIDevice *dev, Error **errp)
 {
     ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
     uint8_t *c = s->dev.config;
@@ -1039,7 +1039,6 @@ static int es1370_initfn (PCIDevice *dev)
 
     AUD_register_card ("es1370", &s->card);
     es1370_reset (s);
-    return 0;
 }
 
 static int es1370_init (PCIBus *bus)
@@ -1053,7 +1052,7 @@ static void es1370_class_init (ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS (klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
 
-    k->init = es1370_initfn;
+    k->realize = es1370_realize;
     k->vendor_id = PCI_VENDOR_ID_ENSONIQ;
     k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370;
     k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;

hw/audio/intel-hda.c

@@ -1126,7 +1126,7 @@ static void intel_hda_reset(DeviceState *dev)
     intel_hda_update_irq(d);
 }
 
-static int intel_hda_init(PCIDevice *pci)
+static void intel_hda_realize(PCIDevice *pci, Error **errp)
 {
     IntelHDAState *d = INTEL_HDA(pci);
     uint8_t *conf = d->pci.config;
@@ -1147,8 +1147,6 @@ static int intel_hda_init(PCIDevice *pci)
 
     hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
                        intel_hda_response, intel_hda_xfer);
-
-    return 0;
 }
 
 static void intel_hda_exit(PCIDevice *pci)
@@ -1245,7 +1243,7 @@ static void intel_hda_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
-    k->init = intel_hda_init;
+    k->realize = intel_hda_realize;
     k->exit = intel_hda_exit;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;

hw/block/virtio-blk.c

@@ -667,11 +667,11 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
     memset(&blkcfg, 0, sizeof(blkcfg));
     virtio_stq_p(vdev, &blkcfg.capacity, capacity);
     virtio_stl_p(vdev, &blkcfg.seg_max, 128 - 2);
-    virtio_stw_p(vdev, &blkcfg.cylinders, conf->cyls);
+    virtio_stw_p(vdev, &blkcfg.geometry.cylinders, conf->cyls);
     virtio_stl_p(vdev, &blkcfg.blk_size, blk_size);
     virtio_stw_p(vdev, &blkcfg.min_io_size, conf->min_io_size / blk_size);
     virtio_stw_p(vdev, &blkcfg.opt_io_size, conf->opt_io_size / blk_size);
-    blkcfg.heads = conf->heads;
+    blkcfg.geometry.heads = conf->heads;
     /*
      * We must ensure that the block device capacity is a multiple of
      * the logical block size. If that is not the case, let's use
@@ -684,9 +684,9 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
      * per track (cylinder).
      */
     if (blk_getlength(s->blk) /  conf->heads / conf->secs % blk_size) {
-        blkcfg.sectors = conf->secs & ~s->sector_mask;
+        blkcfg.geometry.sectors = conf->secs & ~s->sector_mask;
     } else {
-        blkcfg.sectors = conf->secs;
+        blkcfg.geometry.sectors = conf->secs;
     }
     blkcfg.size_max = 0;
     blkcfg.physical_block_exp = get_physical_block_exp(conf);
@@ -711,20 +711,20 @@ static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features)
 {
     VirtIOBlock *s = VIRTIO_BLK(vdev);
 
-    features |= (1 << VIRTIO_BLK_F_SEG_MAX);
-    features |= (1 << VIRTIO_BLK_F_GEOMETRY);
-    features |= (1 << VIRTIO_BLK_F_TOPOLOGY);
-    features |= (1 << VIRTIO_BLK_F_BLK_SIZE);
-    features |= (1 << VIRTIO_BLK_F_SCSI);
+    virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX);
+    virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
+    virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
+    virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
+    virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
 
     if (s->conf.config_wce) {
-        features |= (1 << VIRTIO_BLK_F_CONFIG_WCE);
+        virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
     }
     if (blk_enable_write_cache(s->blk)) {
-        features |= (1 << VIRTIO_BLK_F_WCE);
+        virtio_add_feature(&features, VIRTIO_BLK_F_WCE);
     }
     if (blk_is_read_only(s->blk)) {
-        features |= 1 << VIRTIO_BLK_F_RO;
+        virtio_add_feature(&features, VIRTIO_BLK_F_RO);
     }
 
     return features;
@@ -733,7 +733,6 @@ static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features)
 static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status)
 {
     VirtIOBlock *s = VIRTIO_BLK(vdev);
-    uint32_t features;
 
     if (s->dataplane && !(status & (VIRTIO_CONFIG_S_DRIVER |
                                     VIRTIO_CONFIG_S_DRIVER_OK))) {
@@ -744,8 +743,6 @@ static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status)
         return;
     }
 
-    features = vdev->guest_features;
-
     /* A guest that supports VIRTIO_BLK_F_CONFIG_WCE must be able to send
      * cache flushes.  Thus, the "auto writethrough" behavior is never
      * necessary for guests that support the VIRTIO_BLK_F_CONFIG_WCE feature.
@@ -761,10 +758,10 @@ static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status)
      *
      * s->blk would erroneously be placed in writethrough mode.
      */
-    if (!(features & (1 << VIRTIO_BLK_F_CONFIG_WCE))) {
+    if (!virtio_has_feature(vdev, VIRTIO_BLK_F_CONFIG_WCE)) {
         aio_context_acquire(blk_get_aio_context(s->blk));
         blk_set_enable_write_cache(s->blk,
-                                   !!(features & (1 << VIRTIO_BLK_F_WCE)));
+                                   virtio_has_feature(vdev, VIRTIO_BLK_F_WCE));
         aio_context_release(blk_get_aio_context(s->blk));
     }
 }

hw/char/serial-pci.c

@@ -48,7 +48,7 @@ typedef struct PCIMultiSerialState {
     uint8_t      prog_if;
 } PCIMultiSerialState;
 
-static int serial_pci_init(PCIDevice *dev)
+static void serial_pci_realize(PCIDevice *dev, Error **errp)
 {
     PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
     SerialState *s = &pci->state;
@@ -57,9 +57,8 @@ static int serial_pci_init(PCIDevice *dev)
     s->baudbase = 115200;
     serial_realize_core(s, &err);
     if (err != NULL) {
-        qerror_report_err(err);
-        error_free(err);
-        return -1;
+        error_propagate(errp, err);
+        return;
     }
 
     pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
@@ -68,7 +67,6 @@ static int serial_pci_init(PCIDevice *dev)
 
     memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8);
     pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
-    return 0;
 }
 
 static void multi_serial_irq_mux(void *opaque, int n, int level)
@@ -85,7 +83,7 @@ static void multi_serial_irq_mux(void *opaque, int n, int level)
     pci_set_irq(&pci->dev, pending);
 }
 
-static int multi_serial_pci_init(PCIDevice *dev)
+static void multi_serial_pci_realize(PCIDevice *dev, Error **errp)
 {
     PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
     PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev);
@@ -116,9 +114,8 @@ static int multi_serial_pci_init(PCIDevice *dev)
         s->baudbase = 115200;
         serial_realize_core(s, &err);
         if (err != NULL) {
-            qerror_report_err(err);
-            error_free(err);
-            return -1;
+            error_propagate(errp, err);
+            return;
         }
         s->irq = pci->irqs[i];
         pci->name[i] = g_strdup_printf("uart #%d", i+1);
@@ -126,7 +123,6 @@ static int multi_serial_pci_init(PCIDevice *dev)
                               pci->name[i], 8);
         memory_region_add_subregion(&pci->iobar, 8 * i, &s->io);
     }
-    return 0;
 }
 
 static void serial_pci_exit(PCIDevice *dev)
@@ -203,7 +199,7 @@ static void serial_pci_class_initfn(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
-    pc->init = serial_pci_init;
+    pc->realize = serial_pci_realize;
     pc->exit = serial_pci_exit;
     pc->vendor_id = PCI_VENDOR_ID_REDHAT;
     pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL;
@@ -218,7 +214,7 @@ static void multi_2x_serial_pci_class_initfn(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
-    pc->init = multi_serial_pci_init;
+    pc->realize = multi_serial_pci_realize;
     pc->exit = multi_serial_pci_exit;
     pc->vendor_id = PCI_VENDOR_ID_REDHAT;
     pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL2;
@@ -233,7 +229,7 @@ static void multi_4x_serial_pci_class_initfn(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
-    pc->init = multi_serial_pci_init;
+    pc->realize = multi_serial_pci_realize;
     pc->exit = multi_serial_pci_exit;
     pc->vendor_id = PCI_VENDOR_ID_REDHAT;
     pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL4;

hw/char/virtio-serial-bus.c

@@ -75,7 +75,7 @@ static VirtIOSerialPort *find_port_by_name(char *name)
 static bool use_multiport(VirtIOSerial *vser)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(vser);
-    return vdev->guest_features & (1 << VIRTIO_CONSOLE_F_MULTIPORT);
+    return virtio_has_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT);
 }
 
 static size_t write_to_port(VirtIOSerialPort *port,
@@ -474,7 +474,7 @@ static uint32_t get_features(VirtIODevice *vdev, uint32_t features)
     vser = VIRTIO_SERIAL(vdev);
 
     if (vser->bus.max_nr_ports > 1) {
-        features |= (1 << VIRTIO_CONSOLE_F_MULTIPORT);
+        virtio_add_feature(&features, VIRTIO_CONSOLE_F_MULTIPORT);
     }
     return features;
 }