1 files changed, 181 insertions, 64 deletions

diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 5f9b952..26be69b 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -123,8 +123,13 @@ static void amdvi_writew(AMDVIState *s, hwaddr addr, uint16_t val)
     uint16_t romask = lduw_le_p(&s->romask[addr]);
     uint16_t w1cmask = lduw_le_p(&s->w1cmask[addr]);
     uint16_t oldval = lduw_le_p(&s->mmior[addr]);
+
+    uint16_t oldval_preserved = oldval & (romask | w1cmask);
+    uint16_t newval_write = val & ~romask;
+    uint16_t newval_w1c_set = val & w1cmask;
+
     stw_le_p(&s->mmior[addr],
-            ((oldval & romask) | (val & ~romask)) & ~(val & w1cmask));
+             (oldval_preserved | newval_write) & ~newval_w1c_set);
 }
 
 static void amdvi_writel(AMDVIState *s, hwaddr addr, uint32_t val)
@@ -132,23 +137,33 @@ static void amdvi_writel(AMDVIState *s, hwaddr addr, uint32_t val)
     uint32_t romask = ldl_le_p(&s->romask[addr]);
     uint32_t w1cmask = ldl_le_p(&s->w1cmask[addr]);
     uint32_t oldval = ldl_le_p(&s->mmior[addr]);
+
+    uint32_t oldval_preserved = oldval & (romask | w1cmask);
+    uint32_t newval_write = val & ~romask;
+    uint32_t newval_w1c_set = val & w1cmask;
+
     stl_le_p(&s->mmior[addr],
-            ((oldval & romask) | (val & ~romask)) & ~(val & w1cmask));
+             (oldval_preserved | newval_write) & ~newval_w1c_set);
 }
 
 static void amdvi_writeq(AMDVIState *s, hwaddr addr, uint64_t val)
 {
     uint64_t romask = ldq_le_p(&s->romask[addr]);
     uint64_t w1cmask = ldq_le_p(&s->w1cmask[addr]);
-    uint32_t oldval = ldq_le_p(&s->mmior[addr]);
+    uint64_t oldval = ldq_le_p(&s->mmior[addr]);
+
+    uint64_t oldval_preserved = oldval & (romask | w1cmask);
+    uint64_t newval_write = val & ~romask;
+    uint64_t newval_w1c_set = val & w1cmask;
+
     stq_le_p(&s->mmior[addr],
-            ((oldval & romask) | (val & ~romask)) & ~(val & w1cmask));
+             (oldval_preserved | newval_write) & ~newval_w1c_set);
 }
 
-/* OR a 64-bit register with a 64-bit value */
+/* AND a 64-bit register with a 64-bit value */
 static bool amdvi_test_mask(AMDVIState *s, hwaddr addr, uint64_t val)
 {
-    return amdvi_readq(s, addr) | val;
+    return amdvi_readq(s, addr) & val;
 }
 
 /* OR a 64-bit register with a 64-bit value storing result in the register */
@@ -167,29 +182,41 @@ static void amdvi_generate_msi_interrupt(AMDVIState *s)
 {
     MSIMessage msg = {};
     MemTxAttrs attrs = {
-        .requester_id = pci_requester_id(&s->pci.dev)
+        .requester_id = pci_requester_id(&s->pci->dev)
     };
 
-    if (msi_enabled(&s->pci.dev)) {
-        msg = msi_get_message(&s->pci.dev, 0);
+    if (msi_enabled(&s->pci->dev)) {
+        msg = msi_get_message(&s->pci->dev, 0);
         address_space_stl_le(&address_space_memory, msg.address, msg.data,
                              attrs, NULL);
     }
 }
 
+static uint32_t get_next_eventlog_entry(AMDVIState *s)
+{
+    uint32_t evtlog_size = s->evtlog_len * AMDVI_EVENT_LEN;
+    return (s->evtlog_tail + AMDVI_EVENT_LEN) % evtlog_size;
+}
+
 static void amdvi_log_event(AMDVIState *s, uint64_t *evt)
 {
+    uint32_t evtlog_tail_next;
+
     /* event logging not enabled */
     if (!s->evtlog_enabled || amdvi_test_mask(s, AMDVI_MMIO_STATUS,
         AMDVI_MMIO_STATUS_EVT_OVF)) {
         return;
     }
 
+    evtlog_tail_next = get_next_eventlog_entry(s);
+
     /* event log buffer full */
-    if (s->evtlog_tail >= s->evtlog_len) {
-        amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_EVT_OVF);
-        /* generate interrupt */
-        amdvi_generate_msi_interrupt(s);
+    if (evtlog_tail_next == s->evtlog_head) {
+        /* generate overflow interrupt */
+        if (s->evtlog_intr) {
+            amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_EVT_OVF);
+            amdvi_generate_msi_interrupt(s);
+        }
         return;
     }
 
@@ -198,9 +225,13 @@ static void amdvi_log_event(AMDVIState *s, uint64_t *evt)
         trace_amdvi_evntlog_fail(s->evtlog, s->evtlog_tail);
     }
 
-    s->evtlog_tail += AMDVI_EVENT_LEN;
-    amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_COMP_INT);
-    amdvi_generate_msi_interrupt(s);
+    s->evtlog_tail = evtlog_tail_next;
+    amdvi_writeq_raw(s, AMDVI_MMIO_EVENT_TAIL, s->evtlog_tail);
+
+    if (s->evtlog_intr) {
+        amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_EVENT_INT);
+        amdvi_generate_msi_interrupt(s);
+    }
 }
 
 static void amdvi_setevent_bits(uint64_t *buffer, uint64_t value, int start,
@@ -239,7 +270,7 @@ static void amdvi_page_fault(AMDVIState *s, uint16_t devid,
     info |= AMDVI_EVENT_IOPF_I | AMDVI_EVENT_IOPF;
     amdvi_encode_event(evt, devid, addr, info);
     amdvi_log_event(s, evt);
-    pci_word_test_and_set_mask(s->pci.dev.config + PCI_STATUS,
+    pci_word_test_and_set_mask(s->pci->dev.config + PCI_STATUS,
             PCI_STATUS_SIG_TARGET_ABORT);
 }
 /*
@@ -256,7 +287,7 @@ static void amdvi_log_devtab_error(AMDVIState *s, uint16_t devid,
 
     amdvi_encode_event(evt, devid, devtab, info);
     amdvi_log_event(s, evt);
-    pci_word_test_and_set_mask(s->pci.dev.config + PCI_STATUS,
+    pci_word_test_and_set_mask(s->pci->dev.config + PCI_STATUS,
             PCI_STATUS_SIG_TARGET_ABORT);
 }
 /* log an event trying to access command buffer
@@ -269,7 +300,7 @@ static void amdvi_log_command_error(AMDVIState *s, hwaddr addr)
 
     amdvi_encode_event(evt, 0, addr, info);
     amdvi_log_event(s, evt);
-    pci_word_test_and_set_mask(s->pci.dev.config + PCI_STATUS,
+    pci_word_test_and_set_mask(s->pci->dev.config + PCI_STATUS,
             PCI_STATUS_SIG_TARGET_ABORT);
 }
 /* log an illegal command event
@@ -310,7 +341,7 @@ static void amdvi_log_pagetab_error(AMDVIState *s, uint16_t devid,
     info |= AMDVI_EVENT_PAGE_TAB_HW_ERROR;
     amdvi_encode_event(evt, devid, addr, info);
     amdvi_log_event(s, evt);
-    pci_word_test_and_set_mask(s->pci.dev.config + PCI_STATUS,
+    pci_word_test_and_set_mask(s->pci->dev.config + PCI_STATUS,
              PCI_STATUS_SIG_TARGET_ABORT);
 }
 
@@ -508,7 +539,7 @@ static void amdvi_inval_inttable(AMDVIState *s, uint64_t *cmd)
 static void iommu_inval_iotlb(AMDVIState *s, uint64_t *cmd)
 {
 
-    uint16_t devid = extract64(cmd[0], 0, 16);
+    uint16_t devid = cpu_to_le16(extract64(cmd[0], 0, 16));
     if (extract64(cmd[1], 1, 1) || extract64(cmd[1], 3, 1) ||
         extract64(cmd[1], 6, 6)) {
         amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4),
@@ -521,7 +552,7 @@ static void iommu_inval_iotlb(AMDVIState *s, uint64_t *cmd)
                                     &devid);
     } else {
         amdvi_iotlb_remove_page(s, cpu_to_le64(extract64(cmd[1], 12, 52)) << 12,
-                                cpu_to_le16(extract64(cmd[1], 0, 16)));
+                                devid);
     }
     trace_amdvi_iotlb_inval();
 }
@@ -592,18 +623,31 @@ static void amdvi_cmdbuf_run(AMDVIState *s)
     }
 }
 
-static void amdvi_mmio_trace(hwaddr addr, unsigned size)
+static inline uint8_t amdvi_mmio_get_index(hwaddr addr)
 {
     uint8_t index = (addr & ~0x2000) / 8;
 
     if ((addr & 0x2000)) {
         /* high table */
         index = index >= AMDVI_MMIO_REGS_HIGH ? AMDVI_MMIO_REGS_HIGH : index;
-        trace_amdvi_mmio_read(amdvi_mmio_high[index], addr, size, addr & ~0x07);
     } else {
         index = index >= AMDVI_MMIO_REGS_LOW ? AMDVI_MMIO_REGS_LOW : index;
-        trace_amdvi_mmio_read(amdvi_mmio_low[index], addr, size, addr & ~0x07);
     }
+
+    return index;
+}
+
+static void amdvi_mmio_trace_read(hwaddr addr, unsigned size)
+{
+    uint8_t index = amdvi_mmio_get_index(addr);
+    trace_amdvi_mmio_read(amdvi_mmio_low[index], addr, size, addr & ~0x07);
+}
+
+static void amdvi_mmio_trace_write(hwaddr addr, unsigned size, uint64_t val)
+{
+    uint8_t index = amdvi_mmio_get_index(addr);
+    trace_amdvi_mmio_write(amdvi_mmio_low[index], addr, size, val,
+                           addr & ~0x07);
 }
 
 static uint64_t amdvi_mmio_read(void *opaque, hwaddr addr, unsigned size)
@@ -623,7 +667,7 @@ static uint64_t amdvi_mmio_read(void *opaque, hwaddr addr, unsigned size)
     } else if (size == 8) {
         val = amdvi_readq(s, addr);
     }
-    amdvi_mmio_trace(addr, size);
+    amdvi_mmio_trace_read(addr, size);
 
     return val;
 }
@@ -633,7 +677,6 @@ static void amdvi_handle_control_write(AMDVIState *s)
     unsigned long control = amdvi_readq(s, AMDVI_MMIO_CONTROL);
     s->enabled = !!(control & AMDVI_MMIO_CONTROL_AMDVIEN);
 
-    s->ats_enabled = !!(control & AMDVI_MMIO_CONTROL_HTTUNEN);
     s->evtlog_enabled = s->enabled && !!(control &
                         AMDVI_MMIO_CONTROL_EVENTLOGEN);
 
@@ -665,8 +708,8 @@ static inline void amdvi_handle_devtab_write(AMDVIState *s)
     uint64_t val = amdvi_readq(s, AMDVI_MMIO_DEVICE_TABLE);
     s->devtab = (val & AMDVI_MMIO_DEVTAB_BASE_MASK);
 
-    /* set device table length */
-    s->devtab_len = ((val & AMDVI_MMIO_DEVTAB_SIZE_MASK) + 1 *
+    /* set device table length (i.e. number of entries table can hold) */
+    s->devtab_len = (((val & AMDVI_MMIO_DEVTAB_SIZE_MASK) + 1) *
                     (AMDVI_MMIO_DEVTAB_SIZE_UNIT /
                      AMDVI_MMIO_DEVTAB_ENTRY_SIZE));
 }
@@ -704,9 +747,19 @@ static inline void amdvi_handle_excllim_write(AMDVIState *s)
 static inline void amdvi_handle_evtbase_write(AMDVIState *s)
 {
     uint64_t val = amdvi_readq(s, AMDVI_MMIO_EVENT_BASE);
+
+    if (amdvi_readq(s, AMDVI_MMIO_STATUS) & AMDVI_MMIO_STATUS_EVENT_INT)
+        /* Do not reset if eventlog interrupt bit is set*/
+        return;
+
     s->evtlog = val & AMDVI_MMIO_EVTLOG_BASE_MASK;
     s->evtlog_len = 1UL << (amdvi_readq(s, AMDVI_MMIO_EVTLOG_SIZE_BYTE)
                     & AMDVI_MMIO_EVTLOG_SIZE_MASK);
+
+    /* clear tail and head pointer to 0 when event base is updated */
+    s->evtlog_tail = s->evtlog_head = 0;
+    amdvi_writeq_raw(s, AMDVI_MMIO_EVENT_HEAD, s->evtlog_head);
+    amdvi_writeq_raw(s, AMDVI_MMIO_EVENT_TAIL, s->evtlog_tail);
 }
 
 static inline void amdvi_handle_evttail_write(AMDVIState *s)
@@ -770,7 +823,7 @@ static void amdvi_mmio_write(void *opaque, hwaddr addr, uint64_t val,
         return;
     }
 
-    amdvi_mmio_trace(addr, size);
+    amdvi_mmio_trace_write(addr, size, val);
     switch (addr & ~0x07) {
     case AMDVI_MMIO_CONTROL:
         amdvi_mmio_reg_write(s, size, val, addr);
@@ -835,6 +888,9 @@ static void amdvi_mmio_write(void *opaque, hwaddr addr, uint64_t val,
         amdvi_mmio_reg_write(s, size, val, addr);
         amdvi_handle_pprtail_write(s);
         break;
+    case AMDVI_MMIO_STATUS:
+        amdvi_mmio_reg_write(s, size, val, addr);
+        break;
     }
 }
 
@@ -848,9 +904,10 @@ static inline uint64_t amdvi_get_perms(uint64_t entry)
 static bool amdvi_validate_dte(AMDVIState *s, uint16_t devid,
                                uint64_t *dte)
 {
-    if ((dte[0] & AMDVI_DTE_LOWER_QUAD_RESERVED)
-        || (dte[1] & AMDVI_DTE_MIDDLE_QUAD_RESERVED)
-        || (dte[2] & AMDVI_DTE_UPPER_QUAD_RESERVED) || dte[3]) {
+    if ((dte[0] & AMDVI_DTE_QUAD0_RESERVED) ||
+        (dte[1] & AMDVI_DTE_QUAD1_RESERVED) ||
+        (dte[2] & AMDVI_DTE_QUAD2_RESERVED) ||
+        (dte[3] & AMDVI_DTE_QUAD3_RESERVED)) {
         amdvi_log_illegaldevtab_error(s, devid,
                                       s->devtab +
                                       devid * AMDVI_DEVTAB_ENTRY_SIZE, 0);
@@ -1426,7 +1483,6 @@ static AddressSpace *amdvi_host_dma_iommu(PCIBus *bus, void *opaque, int devfn)
     AMDVIState *s = opaque;
     AMDVIAddressSpace **iommu_as, *amdvi_dev_as;
     int bus_num = pci_bus_num(bus);
-    X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(s);
 
     iommu_as = s->address_spaces[bus_num];
 
@@ -1486,15 +1542,8 @@ static AddressSpace *amdvi_host_dma_iommu(PCIBus *bus, void *opaque, int devfn)
                                             AMDVI_INT_ADDR_FIRST,
                                             &amdvi_dev_as->iommu_ir, 1);
 
-        if (!x86_iommu->pt_supported) {
-            memory_region_set_enabled(&amdvi_dev_as->iommu_nodma, false);
-            memory_region_set_enabled(MEMORY_REGION(&amdvi_dev_as->iommu),
-                                      true);
-        } else {
-            memory_region_set_enabled(MEMORY_REGION(&amdvi_dev_as->iommu),
-                                      false);
-            memory_region_set_enabled(&amdvi_dev_as->iommu_nodma, true);
-        }
+        memory_region_set_enabled(&amdvi_dev_as->iommu_nodma, false);
+        memory_region_set_enabled(MEMORY_REGION(&amdvi_dev_as->iommu), true);
     }
     return &iommu_as[devfn]->as;
 }
@@ -1549,7 +1598,6 @@ static void amdvi_init(AMDVIState *s)
     s->excl_allow = false;
     s->mmio_enabled = false;
     s->enabled = false;
-    s->ats_enabled = false;
     s->cmdbuf_enabled = false;
 
     /* reset MMIO */
@@ -1607,28 +1655,92 @@ static void amdvi_sysbus_reset(DeviceState *dev)
 {
     AMDVIState *s = AMD_IOMMU_DEVICE(dev);
 
-    msi_reset(&s->pci.dev);
+    msi_reset(&s->pci->dev);
     amdvi_init(s);
 }
 
+static const VMStateDescription vmstate_amdvi_sysbus_migratable = {
+    .name = "amd-iommu",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .priority = MIG_PRI_IOMMU,
+    .fields = (VMStateField[]) {
+      /* Updated in  amdvi_handle_control_write() */
+      VMSTATE_BOOL(enabled, AMDVIState),
+      VMSTATE_BOOL(ga_enabled, AMDVIState),
+      /* bool ats_enabled is obsolete */
+      VMSTATE_UNUSED(1), /* was ats_enabled */
+      VMSTATE_BOOL(cmdbuf_enabled, AMDVIState),
+      VMSTATE_BOOL(completion_wait_intr, AMDVIState),
+      VMSTATE_BOOL(evtlog_enabled, AMDVIState),
+      VMSTATE_BOOL(evtlog_intr, AMDVIState),
+      /* Updated in amdvi_handle_devtab_write() */
+      VMSTATE_UINT64(devtab, AMDVIState),
+      VMSTATE_UINT64(devtab_len, AMDVIState),
+      /* Updated in amdvi_handle_cmdbase_write() */
+      VMSTATE_UINT64(cmdbuf, AMDVIState),
+      VMSTATE_UINT64(cmdbuf_len, AMDVIState),
+      /* Updated in amdvi_handle_cmdhead_write() */
+      VMSTATE_UINT32(cmdbuf_head, AMDVIState),
+      /* Updated in amdvi_handle_cmdtail_write() */
+      VMSTATE_UINT32(cmdbuf_tail, AMDVIState),
+      /* Updated in amdvi_handle_evtbase_write() */
+      VMSTATE_UINT64(evtlog, AMDVIState),
+      VMSTATE_UINT32(evtlog_len, AMDVIState),
+      /* Updated in amdvi_handle_evthead_write() */
+      VMSTATE_UINT32(evtlog_head, AMDVIState),
+      /* Updated in amdvi_handle_evttail_write() */
+      VMSTATE_UINT32(evtlog_tail, AMDVIState),
+      /* Updated in amdvi_handle_pprbase_write() */
+      VMSTATE_UINT64(ppr_log, AMDVIState),
+      VMSTATE_UINT32(pprlog_len, AMDVIState),
+      /* Updated in amdvi_handle_pprhead_write() */
+      VMSTATE_UINT32(pprlog_head, AMDVIState),
+      /* Updated in amdvi_handle_tailhead_write() */
+      VMSTATE_UINT32(pprlog_tail, AMDVIState),
+      /* MMIO registers */
+      VMSTATE_UINT8_ARRAY(mmior, AMDVIState, AMDVI_MMIO_SIZE),
+      VMSTATE_UINT8_ARRAY(romask, AMDVIState, AMDVI_MMIO_SIZE),
+      VMSTATE_UINT8_ARRAY(w1cmask, AMDVIState, AMDVI_MMIO_SIZE),
+      VMSTATE_END_OF_LIST()
+    }
+};
+
 static void amdvi_sysbus_realize(DeviceState *dev, Error **errp)
 {
+    DeviceClass *dc = (DeviceClass *) object_get_class(OBJECT(dev));
     AMDVIState *s = AMD_IOMMU_DEVICE(dev);
     MachineState *ms = MACHINE(qdev_get_machine());
     PCMachineState *pcms = PC_MACHINE(ms);
     X86MachineState *x86ms = X86_MACHINE(ms);
     PCIBus *bus = pcms->pcibus;
 
-    s->iotlb = g_hash_table_new_full(amdvi_uint64_hash,
-                                     amdvi_uint64_equal, g_free, g_free);
+    if (s->pci_id) {
+        PCIDevice *pdev = NULL;
+        int ret = pci_qdev_find_device(s->pci_id, &pdev);
 
-    /* This device should take care of IOMMU PCI properties */
-    if (!qdev_realize(DEVICE(&s->pci), &bus->qbus, errp)) {
-        return;
+        if (ret) {
+            error_report("Cannot find PCI device '%s'", s->pci_id);
+            return;
+        }
+
+        if (!object_dynamic_cast(OBJECT(pdev), TYPE_AMD_IOMMU_PCI)) {
+            error_report("Device '%s' must be an AMDVI-PCI device type", s->pci_id);
+            return;
+        }
+
+        s->pci = AMD_IOMMU_PCI(pdev);
+        dc->vmsd = &vmstate_amdvi_sysbus_migratable;
+    } else {
+        s->pci = AMD_IOMMU_PCI(object_new(TYPE_AMD_IOMMU_PCI));
+        /* This device should take care of IOMMU PCI properties */
+        if (!qdev_realize(DEVICE(s->pci), &bus->qbus, errp)) {
+            return;
+        }
     }
 
-    /* Pseudo address space under root PCI bus. */
-    x86ms->ioapic_as = amdvi_host_dma_iommu(bus, s, AMDVI_IOAPIC_SB_DEVID);
+    s->iotlb = g_hash_table_new_full(amdvi_uint64_hash,
+                                     amdvi_uint64_equal, g_free, g_free);
 
     /* set up MMIO */
     memory_region_init_io(&s->mr_mmio, OBJECT(s), &mmio_mem_ops, s,
@@ -1652,17 +1764,29 @@ static void amdvi_sysbus_realize(DeviceState *dev, Error **errp)
     memory_region_add_subregion_overlap(&s->mr_sys, AMDVI_INT_ADDR_FIRST,
                                         &s->mr_ir, 1);
 
+    /* Pseudo address space under root PCI bus. */
+    x86ms->ioapic_as = amdvi_host_dma_iommu(bus, s, AMDVI_IOAPIC_SB_DEVID);
+
     if (kvm_enabled() && x86ms->apic_id_limit > 255 && !s->xtsup) {
         error_report("AMD IOMMU with x2APIC configuration requires xtsup=on");
         exit(EXIT_FAILURE);
     }
 
+    if (s->xtsup) {
+        if (kvm_irqchip_is_split() && !kvm_enable_x2apic()) {
+            error_report("AMD IOMMU xtsup=on requires x2APIC support on "
+                          "the KVM side");
+            exit(EXIT_FAILURE);
+        }
+    }
+
     pci_setup_iommu(bus, &amdvi_iommu_ops, s);
     amdvi_init(s);
 }
 
 static const Property amdvi_properties[] = {
     DEFINE_PROP_BOOL("xtsup", AMDVIState, xtsup, false),
+    DEFINE_PROP_STRING("pci-id", AMDVIState, pci_id),
 };
 
 static const VMStateDescription vmstate_amdvi_sysbus = {
@@ -1670,14 +1794,7 @@ static const VMStateDescription vmstate_amdvi_sysbus = {
     .unmigratable = 1
 };
 
-static void amdvi_sysbus_instance_init(Object *klass)
-{
-    AMDVIState *s = AMD_IOMMU_DEVICE(klass);
-
-    object_initialize(&s->pci, sizeof(s->pci), TYPE_AMD_IOMMU_PCI);
-}
-
-static void amdvi_sysbus_class_init(ObjectClass *klass, void *data)
+static void amdvi_sysbus_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     X86IOMMUClass *dc_class = X86_IOMMU_DEVICE_CLASS(klass);
@@ -1696,11 +1813,10 @@ static const TypeInfo amdvi_sysbus = {
     .name = TYPE_AMD_IOMMU_DEVICE,
     .parent = TYPE_X86_IOMMU_DEVICE,
     .instance_size = sizeof(AMDVIState),
-    .instance_init = amdvi_sysbus_instance_init,
     .class_init = amdvi_sysbus_class_init
 };
 
-static void amdvi_pci_class_init(ObjectClass *klass, void *data)
+static void amdvi_pci_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
@@ -1719,13 +1835,14 @@ static const TypeInfo amdvi_pci = {
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(AMDVIPCIState),
     .class_init = amdvi_pci_class_init,
-    .interfaces = (InterfaceInfo[]) {
+    .interfaces = (const InterfaceInfo[]) {
         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
         { },
     },
 };
 
-static void amdvi_iommu_memory_region_class_init(ObjectClass *klass, void *data)
+static void amdvi_iommu_memory_region_class_init(ObjectClass *klass,
+                                                 const void *data)
 {
     IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);