19 files changed, 223 insertions, 231 deletions

diff --git a/include/hw/ppc/mac_dbdma.h b/include/hw/ppc/mac_dbdma.h
index 26cc469de4..9166d5f758 100644
--- a/include/hw/ppc/mac_dbdma.h
+++ b/include/hw/ppc/mac_dbdma.h
@@ -27,6 +27,7 @@
 #include "qemu/iov.h"
 #include "sysemu/dma.h"
 #include "hw/sysbus.h"
+#include "qom/object.h"
 
 typedef struct DBDMA_io DBDMA_io;
 
@@ -160,13 +161,14 @@ typedef struct DBDMA_channel {
     dbdma_cmd current;
 } DBDMA_channel;
 
-typedef struct {
+struct DBDMAState {
     SysBusDevice parent_obj;
 
     MemoryRegion mem;
     DBDMA_channel channels[DBDMA_CHANNELS];
     QEMUBH *bh;
-} DBDMAState;
+};
+typedef struct DBDMAState DBDMAState;
 
 /* Externally callable functions */
 
@@ -176,6 +178,7 @@ void DBDMA_register_channel(void *dbdma, int nchan, qemu_irq irq,
 void DBDMA_kick(DBDMAState *dbdma);
 
 #define TYPE_MAC_DBDMA "mac-dbdma"
-#define MAC_DBDMA(obj) OBJECT_CHECK(DBDMAState, (obj), TYPE_MAC_DBDMA)
+DECLARE_INSTANCE_CHECKER(DBDMAState, MAC_DBDMA,
+                         TYPE_MAC_DBDMA)
 
 #endif
diff --git a/include/hw/ppc/openpic.h b/include/hw/ppc/openpic.h
index db0d29e6c2..61908c7858 100644
--- a/include/hw/ppc/openpic.h
+++ b/include/hw/ppc/openpic.h
@@ -3,6 +3,7 @@
 
 #include "hw/sysbus.h"
 #include "hw/core/cpu.h"
+#include "qom/object.h"
 
 #define MAX_CPU     32
 #define MAX_MSI     8
@@ -136,9 +137,11 @@ typedef struct IRQDest {
 } IRQDest;
 
 #define TYPE_OPENPIC "openpic"
-#define OPENPIC(obj) OBJECT_CHECK(OpenPICState, (obj), TYPE_OPENPIC)
+typedef struct OpenPICState OpenPICState;
+DECLARE_INSTANCE_CHECKER(OpenPICState, OPENPIC,
+                         TYPE_OPENPIC)
 
-typedef struct OpenPICState {
+struct OpenPICState {
     /*< private >*/
     SysBusDevice parent_obj;
     /*< public >*/
@@ -183,6 +186,6 @@ typedef struct OpenPICState {
     uint32_t irq_ipi0;
     uint32_t irq_tim0;
     uint32_t irq_msi;
-} OpenPICState;
+};
 
 #endif /* OPENPIC_H */
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index d4b0b0e2ff..b4b2b24d80 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -32,15 +32,13 @@
 #include "hw/ppc/pnv_core.h"
 #include "hw/pci-host/pnv_phb3.h"
 #include "hw/pci-host/pnv_phb4.h"
+#include "qom/object.h"
 
 #define TYPE_PNV_CHIP "pnv-chip"
-#define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
-#define PNV_CHIP_CLASS(klass) \
-     OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
-#define PNV_CHIP_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
+OBJECT_DECLARE_TYPE(PnvChip, PnvChipClass,
+                    pnv_chip, PNV_CHIP)
 
-typedef struct PnvChip {
+struct PnvChip {
     /*< private >*/
     SysBusDevice parent_obj;
 
@@ -61,12 +59,14 @@ typedef struct PnvChip {
     AddressSpace xscom_as;
 
     gchar        *dt_isa_nodename;
-} PnvChip;
+};
 
 #define TYPE_PNV8_CHIP "pnv8-chip"
-#define PNV8_CHIP(obj) OBJECT_CHECK(Pnv8Chip, (obj), TYPE_PNV8_CHIP)
+typedef struct Pnv8Chip Pnv8Chip;
+DECLARE_INSTANCE_CHECKER(Pnv8Chip, PNV8_CHIP,
+                         TYPE_PNV8_CHIP)
 
-typedef struct Pnv8Chip {
+struct Pnv8Chip {
     /*< private >*/
     PnvChip      parent_obj;
 
@@ -82,12 +82,14 @@ typedef struct Pnv8Chip {
     PnvPHB3      phbs[PNV8_CHIP_PHB3_MAX];
 
     XICSFabric    *xics;
-} Pnv8Chip;
+};
 
 #define TYPE_PNV9_CHIP "pnv9-chip"
-#define PNV9_CHIP(obj) OBJECT_CHECK(Pnv9Chip, (obj), TYPE_PNV9_CHIP)
+typedef struct Pnv9Chip Pnv9Chip;
+DECLARE_INSTANCE_CHECKER(Pnv9Chip, PNV9_CHIP,
+                         TYPE_PNV9_CHIP)
 
-typedef struct Pnv9Chip {
+struct Pnv9Chip {
     /*< private >*/
     PnvChip      parent_obj;
 
@@ -103,7 +105,7 @@ typedef struct Pnv9Chip {
 
 #define PNV9_CHIP_MAX_PEC 3
     PnvPhb4PecState pecs[PNV9_CHIP_MAX_PEC];
-} Pnv9Chip;
+};
 
 /*
  * A SMT8 fused core is a pair of SMT4 cores.
@@ -112,18 +114,20 @@ typedef struct Pnv9Chip {
 #define PNV9_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
 
 #define TYPE_PNV10_CHIP "pnv10-chip"
-#define PNV10_CHIP(obj) OBJECT_CHECK(Pnv10Chip, (obj), TYPE_PNV10_CHIP)
+typedef struct Pnv10Chip Pnv10Chip;
+DECLARE_INSTANCE_CHECKER(Pnv10Chip, PNV10_CHIP,
+                         TYPE_PNV10_CHIP)
 
-typedef struct Pnv10Chip {
+struct Pnv10Chip {
     /*< private >*/
     PnvChip      parent_obj;
 
     /*< public >*/
     Pnv9Psi      psi;
     PnvLpcController lpc;
-} Pnv10Chip;
+};
 
-typedef struct PnvChipClass {
+struct PnvChipClass {
     /*< private >*/
     SysBusDeviceClass parent_class;
 
@@ -144,30 +148,30 @@ typedef struct PnvChipClass {
     void (*pic_print_info)(PnvChip *chip, Monitor *mon);
     uint64_t (*xscom_core_base)(PnvChip *chip, uint32_t core_id);
     uint32_t (*xscom_pcba)(PnvChip *chip, uint64_t addr);
-} PnvChipClass;
+};
 
 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
 
 #define TYPE_PNV_CHIP_POWER8E PNV_CHIP_TYPE_NAME("power8e_v2.1")
-#define PNV_CHIP_POWER8E(obj) \
-    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
+DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER8E,
+                         TYPE_PNV_CHIP_POWER8E)
 
 #define TYPE_PNV_CHIP_POWER8 PNV_CHIP_TYPE_NAME("power8_v2.0")
-#define PNV_CHIP_POWER8(obj) \
-    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
+DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER8,
+                         TYPE_PNV_CHIP_POWER8)
 
 #define TYPE_PNV_CHIP_POWER8NVL PNV_CHIP_TYPE_NAME("power8nvl_v1.0")
-#define PNV_CHIP_POWER8NVL(obj) \
-    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
+DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER8NVL,
+                         TYPE_PNV_CHIP_POWER8NVL)
 
 #define TYPE_PNV_CHIP_POWER9 PNV_CHIP_TYPE_NAME("power9_v2.0")
-#define PNV_CHIP_POWER9(obj) \
-    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
+DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER9,
+                         TYPE_PNV_CHIP_POWER9)
 
 #define TYPE_PNV_CHIP_POWER10 PNV_CHIP_TYPE_NAME("power10_v1.0")
-#define PNV_CHIP_POWER10(obj) \
-    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER10)
+DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER10,
+                         TYPE_PNV_CHIP_POWER10)
 
 /*
  * This generates a HW chip id depending on an index, as found on a
@@ -191,16 +195,13 @@ typedef struct PnvChipClass {
 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir);
 
 #define TYPE_PNV_MACHINE       MACHINE_TYPE_NAME("powernv")
-#define PNV_MACHINE(obj) \
-    OBJECT_CHECK(PnvMachineState, (obj), TYPE_PNV_MACHINE)
-#define PNV_MACHINE_GET_CLASS(obj) \
-    OBJECT_GET_CLASS(PnvMachineClass, obj, TYPE_PNV_MACHINE)
-#define PNV_MACHINE_CLASS(klass) \
-    OBJECT_CLASS_CHECK(PnvMachineClass, klass, TYPE_PNV_MACHINE)
-
+typedef struct PnvMachineClass PnvMachineClass;
 typedef struct PnvMachineState PnvMachineState;
+DECLARE_OBJ_CHECKERS(PnvMachineState, PnvMachineClass,
+                     PNV_MACHINE, TYPE_PNV_MACHINE)
 
-typedef struct PnvMachineClass {
+
+struct PnvMachineClass {
     /*< private >*/
     MachineClass parent_class;
 
@@ -209,7 +210,7 @@ typedef struct PnvMachineClass {
     int compat_size;
 
     void (*dt_power_mgt)(PnvMachineState *pnv, void *fdt);
-} PnvMachineClass;
+};
 
 struct PnvMachineState {
     /*< private >*/
diff --git a/include/hw/ppc/pnv_core.h b/include/hw/ppc/pnv_core.h
index 113550eb7f..5cb22c2fa9 100644
--- a/include/hw/ppc/pnv_core.h
+++ b/include/hw/ppc/pnv_core.h
@@ -22,18 +22,15 @@
 
 #include "hw/cpu/core.h"
 #include "target/ppc/cpu.h"
+#include "qom/object.h"
 
 #define TYPE_PNV_CORE "powernv-cpu-core"
-#define PNV_CORE(obj) \
-    OBJECT_CHECK(PnvCore, (obj), TYPE_PNV_CORE)
-#define PNV_CORE_CLASS(klass) \
-     OBJECT_CLASS_CHECK(PnvCoreClass, (klass), TYPE_PNV_CORE)
-#define PNV_CORE_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvCoreClass, (obj), TYPE_PNV_CORE)
+OBJECT_DECLARE_TYPE(PnvCore, PnvCoreClass,
+                    pnv_core, PNV_CORE)
 
 typedef struct PnvChip PnvChip;
 
-typedef struct PnvCore {
+struct PnvCore {
     /*< private >*/
     CPUCore parent_obj;
 
@@ -44,13 +41,13 @@ typedef struct PnvCore {
     PnvChip *chip;
 
     MemoryRegion xscom_regs;
-} PnvCore;
+};
 
-typedef struct PnvCoreClass {
+struct PnvCoreClass {
     DeviceClass parent_class;
 
     const MemoryRegionOps *xscom_ops;
-} PnvCoreClass;
+};
 
 #define PNV_CORE_TYPE_SUFFIX "-" TYPE_PNV_CORE
 #define PNV_CORE_TYPE_NAME(cpu_model) cpu_model PNV_CORE_TYPE_SUFFIX
@@ -65,13 +62,14 @@ static inline PnvCPUState *pnv_cpu_state(PowerPCCPU *cpu)
 }
 
 #define TYPE_PNV_QUAD "powernv-cpu-quad"
-#define PNV_QUAD(obj) \
-    OBJECT_CHECK(PnvQuad, (obj), TYPE_PNV_QUAD)
+typedef struct PnvQuad PnvQuad;
+DECLARE_INSTANCE_CHECKER(PnvQuad, PNV_QUAD,
+                         TYPE_PNV_QUAD)
 
-typedef struct PnvQuad {
+struct PnvQuad {
     DeviceState parent_obj;
 
     uint32_t id;
     MemoryRegion xscom_regs;
-} PnvQuad;
+};
 #endif /* PPC_PNV_CORE_H */
diff --git a/include/hw/ppc/pnv_homer.h b/include/hw/ppc/pnv_homer.h
index 1e91c950f6..0978812713 100644
--- a/include/hw/ppc/pnv_homer.h
+++ b/include/hw/ppc/pnv_homer.h
@@ -21,28 +21,28 @@
 #define PPC_PNV_HOMER_H
 
 #include "hw/ppc/pnv.h"
+#include "qom/object.h"
 
 #define TYPE_PNV_HOMER "pnv-homer"
-#define PNV_HOMER(obj) OBJECT_CHECK(PnvHomer, (obj), TYPE_PNV_HOMER)
+OBJECT_DECLARE_TYPE(PnvHomer, PnvHomerClass,
+                    pnv_homer, PNV_HOMER)
 #define TYPE_PNV8_HOMER TYPE_PNV_HOMER "-POWER8"
-#define PNV8_HOMER(obj) OBJECT_CHECK(PnvHomer, (obj), TYPE_PNV8_HOMER)
+DECLARE_INSTANCE_CHECKER(PnvHomer, PNV8_HOMER,
+                         TYPE_PNV8_HOMER)
 #define TYPE_PNV9_HOMER TYPE_PNV_HOMER "-POWER9"
-#define PNV9_HOMER(obj) OBJECT_CHECK(PnvHomer, (obj), TYPE_PNV9_HOMER)
+DECLARE_INSTANCE_CHECKER(PnvHomer, PNV9_HOMER,
+                         TYPE_PNV9_HOMER)
 
-typedef struct PnvHomer {
+struct PnvHomer {
     DeviceState parent;
 
     struct PnvChip *chip;
     MemoryRegion pba_regs;
     MemoryRegion regs;
-} PnvHomer;
+};
 
-#define PNV_HOMER_CLASS(klass)   \
-     OBJECT_CLASS_CHECK(PnvHomerClass, (klass), TYPE_PNV_HOMER)
-#define PNV_HOMER_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvHomerClass, (obj), TYPE_PNV_HOMER)
 
-typedef struct PnvHomerClass {
+struct PnvHomerClass {
     DeviceClass parent_class;
 
     int pba_size;
@@ -51,6 +51,6 @@ typedef struct PnvHomerClass {
     const MemoryRegionOps *homer_ops;
 
     hwaddr core_max_base;
-} PnvHomerClass;
+};
 
 #endif /* PPC_PNV_HOMER_H */
diff --git a/include/hw/ppc/pnv_lpc.h b/include/hw/ppc/pnv_lpc.h
index c1ec85d5e2..cd3c13c2a8 100644
--- a/include/hw/ppc/pnv_lpc.h
+++ b/include/hw/ppc/pnv_lpc.h
@@ -21,20 +21,26 @@
 #define PPC_PNV_LPC_H
 
 #include "hw/ppc/pnv_psi.h"
+#include "qom/object.h"
 
 #define TYPE_PNV_LPC "pnv-lpc"
-#define PNV_LPC(obj) \
-     OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV_LPC)
+typedef struct PnvLpcClass PnvLpcClass;
+typedef struct PnvLpcController PnvLpcController;
+DECLARE_OBJ_CHECKERS(PnvLpcController, PnvLpcClass,
+                     PNV_LPC, TYPE_PNV_LPC)
 #define TYPE_PNV8_LPC TYPE_PNV_LPC "-POWER8"
-#define PNV8_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV8_LPC)
+DECLARE_INSTANCE_CHECKER(PnvLpcController, PNV8_LPC,
+                         TYPE_PNV8_LPC)
 
 #define TYPE_PNV9_LPC TYPE_PNV_LPC "-POWER9"
-#define PNV9_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV9_LPC)
+DECLARE_INSTANCE_CHECKER(PnvLpcController, PNV9_LPC,
+                         TYPE_PNV9_LPC)
 
 #define TYPE_PNV10_LPC TYPE_PNV_LPC "-POWER10"
-#define PNV10_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV10_LPC)
+DECLARE_INSTANCE_CHECKER(PnvLpcController, PNV10_LPC,
+                         TYPE_PNV10_LPC)
 
-typedef struct PnvLpcController {
+struct PnvLpcController {
     DeviceState parent;
 
     uint64_t eccb_stat_reg;
@@ -79,20 +85,16 @@ typedef struct PnvLpcController {
 
     /* PSI to generate interrupts */
     PnvPsi *psi;
-} PnvLpcController;
+};
 
-#define PNV_LPC_CLASS(klass) \
-     OBJECT_CLASS_CHECK(PnvLpcClass, (klass), TYPE_PNV_LPC)
-#define PNV_LPC_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvLpcClass, (obj), TYPE_PNV_LPC)
 
-typedef struct PnvLpcClass {
+struct PnvLpcClass {
     DeviceClass parent_class;
 
     int psi_irq;
 
     DeviceRealize parent_realize;
-} PnvLpcClass;
+};
 
 /*
  * Old compilers error on typdef forward declarations. Keep them happy.
diff --git a/include/hw/ppc/pnv_occ.h b/include/hw/ppc/pnv_occ.h
index f8d3061419..b79e3440be 100644
--- a/include/hw/ppc/pnv_occ.h
+++ b/include/hw/ppc/pnv_occ.h
@@ -21,18 +21,22 @@
 #define PPC_PNV_OCC_H
 
 #include "hw/ppc/pnv_psi.h"
+#include "qom/object.h"
 
 #define TYPE_PNV_OCC "pnv-occ"
-#define PNV_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV_OCC)
+OBJECT_DECLARE_TYPE(PnvOCC, PnvOCCClass,
+                    pnv_occ, PNV_OCC)
 #define TYPE_PNV8_OCC TYPE_PNV_OCC "-POWER8"
-#define PNV8_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV8_OCC)
+DECLARE_INSTANCE_CHECKER(PnvOCC, PNV8_OCC,
+                         TYPE_PNV8_OCC)
 #define TYPE_PNV9_OCC TYPE_PNV_OCC "-POWER9"
-#define PNV9_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV9_OCC)
+DECLARE_INSTANCE_CHECKER(PnvOCC, PNV9_OCC,
+                         TYPE_PNV9_OCC)
 
 #define PNV_OCC_SENSOR_DATA_BLOCK_OFFSET 0x00580000
 #define PNV_OCC_SENSOR_DATA_BLOCK_SIZE   0x00025800
 
-typedef struct PnvOCC {
+struct PnvOCC {
     DeviceState xd;
 
     /* OCC Misc interrupt */
@@ -42,20 +46,16 @@ typedef struct PnvOCC {
 
     MemoryRegion xscom_regs;
     MemoryRegion sram_regs;
-} PnvOCC;
+};
 
-#define PNV_OCC_CLASS(klass) \
-     OBJECT_CLASS_CHECK(PnvOCCClass, (klass), TYPE_PNV_OCC)
-#define PNV_OCC_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvOCCClass, (obj), TYPE_PNV_OCC)
 
-typedef struct PnvOCCClass {
+struct PnvOCCClass {
     DeviceClass parent_class;
 
     int xscom_size;
     const MemoryRegionOps *xscom_ops;
     int psi_irq;
-} PnvOCCClass;
+};
 
 #define PNV_OCC_SENSOR_DATA_BLOCK_BASE(i)                               \
     (PNV_OCC_SENSOR_DATA_BLOCK_OFFSET + (i) * PNV_OCC_SENSOR_DATA_BLOCK_SIZE)
diff --git a/include/hw/ppc/pnv_pnor.h b/include/hw/ppc/pnv_pnor.h
index 4f96abdfb4..1ec4098bb9 100644
--- a/include/hw/ppc/pnv_pnor.h
+++ b/include/hw/ppc/pnv_pnor.h
@@ -8,6 +8,7 @@
  */
 #ifndef _PPC_PNV_PNOR_H
 #define _PPC_PNV_PNOR_H
+#include "qom/object.h"
 
 /*
  * PNOR offset on the LPC FW address space
@@ -15,9 +16,11 @@
 #define PNOR_SPI_OFFSET         0x0c000000UL
 
 #define TYPE_PNV_PNOR  "pnv-pnor"
-#define PNV_PNOR(obj)  OBJECT_CHECK(PnvPnor, (obj), TYPE_PNV_PNOR)
+typedef struct PnvPnor PnvPnor;
+DECLARE_INSTANCE_CHECKER(PnvPnor, PNV_PNOR,
+                         TYPE_PNV_PNOR)
 
-typedef struct PnvPnor {
+struct PnvPnor {
     SysBusDevice   parent_obj;
 
     BlockBackend   *blk;
@@ -25,6 +28,6 @@ typedef struct PnvPnor {
     uint8_t        *storage;
     int64_t        size;
     MemoryRegion   mmio;
-} PnvPnor;
+};
 
 #endif /* _PPC_PNV_PNOR_H */
diff --git a/include/hw/ppc/pnv_psi.h b/include/hw/ppc/pnv_psi.h
index 979fc59f33..0034db44c3 100644
--- a/include/hw/ppc/pnv_psi.h
+++ b/include/hw/ppc/pnv_psi.h
@@ -23,14 +23,15 @@
 #include "hw/sysbus.h"
 #include "hw/ppc/xics.h"
 #include "hw/ppc/xive.h"
+#include "qom/object.h"
 
 #define TYPE_PNV_PSI "pnv-psi"
-#define PNV_PSI(obj) \
-     OBJECT_CHECK(PnvPsi, (obj), TYPE_PNV_PSI)
+OBJECT_DECLARE_TYPE(PnvPsi, PnvPsiClass,
+                    pnv_psi, PNV_PSI)
 
 #define PSIHB_XSCOM_MAX         0x20
 
-typedef struct PnvPsi {
+struct PnvPsi {
     DeviceState parent;
 
     MemoryRegion regs_mr;
@@ -47,36 +48,34 @@ typedef struct PnvPsi {
     uint64_t regs[PSIHB_XSCOM_MAX];
 
     MemoryRegion xscom_regs;
-} PnvPsi;
+};
 
 #define TYPE_PNV8_PSI TYPE_PNV_PSI "-POWER8"
-#define PNV8_PSI(obj) \
-    OBJECT_CHECK(Pnv8Psi, (obj), TYPE_PNV8_PSI)
+typedef struct Pnv8Psi Pnv8Psi;
+DECLARE_INSTANCE_CHECKER(Pnv8Psi, PNV8_PSI,
+                         TYPE_PNV8_PSI)
 
-typedef struct Pnv8Psi {
+struct Pnv8Psi {
     PnvPsi   parent;
 
     ICSState ics;
-} Pnv8Psi;
+};
 
 #define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9"
-#define PNV9_PSI(obj) \
-    OBJECT_CHECK(Pnv9Psi, (obj), TYPE_PNV9_PSI)
+typedef struct Pnv9Psi Pnv9Psi;
+DECLARE_INSTANCE_CHECKER(Pnv9Psi, PNV9_PSI,
+                         TYPE_PNV9_PSI)
 
-typedef struct Pnv9Psi {
+struct Pnv9Psi {
     PnvPsi   parent;
 
     XiveSource source;
-} Pnv9Psi;
+};
 
 #define TYPE_PNV10_PSI TYPE_PNV_PSI "-POWER10"
 
-#define PNV_PSI_CLASS(klass) \
-     OBJECT_CLASS_CHECK(PnvPsiClass, (klass), TYPE_PNV_PSI)
-#define PNV_PSI_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvPsiClass, (obj), TYPE_PNV_PSI)
 
-typedef struct PnvPsiClass {
+struct PnvPsiClass {
     SysBusDeviceClass parent_class;
 
     uint32_t xscom_pcba;
@@ -86,7 +85,7 @@ typedef struct PnvPsiClass {
     int compat_size;
 
     void (*irq_set)(PnvPsi *psi, int, bool state);
-} PnvPsiClass;
+};
 
 /* The PSI and FSP interrupts are muxed on the same IRQ number */
 typedef enum PnvPsiIrq {
diff --git a/include/hw/ppc/pnv_xive.h b/include/hw/ppc/pnv_xive.h
index 76cf16f644..29d5debd1c 100644
--- a/include/hw/ppc/pnv_xive.h
+++ b/include/hw/ppc/pnv_xive.h
@@ -11,15 +11,13 @@
 #define PPC_PNV_XIVE_H
 
 #include "hw/ppc/xive.h"
+#include "qom/object.h"
 
 struct PnvChip;
 
 #define TYPE_PNV_XIVE "pnv-xive"
-#define PNV_XIVE(obj) OBJECT_CHECK(PnvXive, (obj), TYPE_PNV_XIVE)
-#define PNV_XIVE_CLASS(klass)                                   \
-    OBJECT_CLASS_CHECK(PnvXiveClass, (klass), TYPE_PNV_XIVE)
-#define PNV_XIVE_GET_CLASS(obj)                                 \
-    OBJECT_GET_CLASS(PnvXiveClass, (obj), TYPE_PNV_XIVE)
+OBJECT_DECLARE_TYPE(PnvXive, PnvXiveClass,
+                    pnv_xive, PNV_XIVE)
 
 #define XIVE_BLOCK_MAX      16
 
@@ -28,7 +26,7 @@ struct PnvChip;
 #define XIVE_TABLE_VDT_MAX  16  /* VDT Domain Table (0-15) */
 #define XIVE_TABLE_EDT_MAX  64  /* EDT Domain Table (0-63) */
 
-typedef struct PnvXive {
+struct PnvXive {
     XiveRouter    parent_obj;
 
     /* Owning chip */
@@ -87,13 +85,13 @@ typedef struct PnvXive {
     uint64_t      mig[XIVE_TABLE_MIG_MAX];
     uint64_t      vdt[XIVE_TABLE_VDT_MAX];
     uint64_t      edt[XIVE_TABLE_EDT_MAX];
-} PnvXive;
+};
 
-typedef struct PnvXiveClass {
+struct PnvXiveClass {
     XiveRouterClass parent_class;
 
     DeviceRealize parent_realize;
-} PnvXiveClass;
+};
 
 void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon);
 
diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h
index 09156a5a7a..7e3b189c07 100644
--- a/include/hw/ppc/pnv_xscom.h
+++ b/include/hw/ppc/pnv_xscom.h
@@ -27,16 +27,14 @@ typedef struct PnvXScomInterface PnvXScomInterface;
 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
 #define PNV_XSCOM_INTERFACE(obj) \
     INTERFACE_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
-#define PNV_XSCOM_INTERFACE_CLASS(klass)                \
-    OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \
+typedef struct PnvXScomInterfaceClass PnvXScomInterfaceClass;
+DECLARE_CLASS_CHECKERS(PnvXScomInterfaceClass, PNV_XSCOM_INTERFACE,
                        TYPE_PNV_XSCOM_INTERFACE)
-#define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE)
 
-typedef struct PnvXScomInterfaceClass {
+struct PnvXScomInterfaceClass {
     InterfaceClass parent;
     int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
-} PnvXScomInterfaceClass;
+};
 
 /*
  * Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index e50a2672e3..c8cd63bc06 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -8,6 +8,7 @@
 #include "hw/mem/pc-dimm.h"
 #include "hw/ppc/spapr_ovec.h"
 #include "hw/ppc/spapr_irq.h"
+#include "qom/object.h"
 #include "hw/ppc/spapr_xive.h"  /* For SpaprXive */
 #include "hw/ppc/xics.h"        /* For ICSState */
 #include "hw/ppc/spapr_tpm_proxy.h"
@@ -27,10 +28,10 @@ typedef struct SpaprPendingHpt SpaprPendingHpt;
 
 #define TYPE_SPAPR_RTC "spapr-rtc"
 
-#define SPAPR_RTC(obj)                                  \
-    OBJECT_CHECK(SpaprRtcState, (obj), TYPE_SPAPR_RTC)
-
 typedef struct SpaprRtcState SpaprRtcState;
+DECLARE_INSTANCE_CHECKER(SpaprRtcState, SPAPR_RTC,
+                         TYPE_SPAPR_RTC)
+
 struct SpaprRtcState {
     /*< private >*/
     DeviceState parent_obj;
@@ -42,12 +43,8 @@ typedef struct SpaprMachineClass SpaprMachineClass;
 
 #define TYPE_SPAPR_MACHINE      "spapr-machine"
 typedef struct SpaprMachineState SpaprMachineState;
-#define SPAPR_MACHINE(obj) \
-    OBJECT_CHECK(SpaprMachineState, (obj), TYPE_SPAPR_MACHINE)
-#define SPAPR_MACHINE_GET_CLASS(obj) \
-    OBJECT_GET_CLASS(SpaprMachineClass, obj, TYPE_SPAPR_MACHINE)
-#define SPAPR_MACHINE_CLASS(klass) \
-    OBJECT_CLASS_CHECK(SpaprMachineClass, klass, TYPE_SPAPR_MACHINE)
+DECLARE_OBJ_CHECKERS(SpaprMachineState, SpaprMachineClass,
+                     SPAPR_MACHINE, TYPE_SPAPR_MACHINE)
 
 typedef enum {
     SPAPR_RESIZE_HPT_DEFAULT = 0,
@@ -790,12 +787,12 @@ static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
 typedef struct SpaprTceTable SpaprTceTable;
 
 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
-#define SPAPR_TCE_TABLE(obj) \
-    OBJECT_CHECK(SpaprTceTable, (obj), TYPE_SPAPR_TCE_TABLE)
+DECLARE_INSTANCE_CHECKER(SpaprTceTable, SPAPR_TCE_TABLE,
+                         TYPE_SPAPR_TCE_TABLE)
 
 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
-#define SPAPR_IOMMU_MEMORY_REGION(obj) \
-        OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
+DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
+                         TYPE_SPAPR_IOMMU_MEMORY_REGION)
 
 struct SpaprTceTable {
     DeviceState parent;
diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h
index 7aed8f555b..4022917168 100644
--- a/include/hw/ppc/spapr_cpu_core.h
+++ b/include/hw/ppc/spapr_cpu_core.h
@@ -13,18 +13,15 @@
 #include "hw/qdev-core.h"
 #include "target/ppc/cpu-qom.h"
 #include "target/ppc/cpu.h"
+#include "qom/object.h"
 
 #define TYPE_SPAPR_CPU_CORE "spapr-cpu-core"
-#define SPAPR_CPU_CORE(obj) \
-    OBJECT_CHECK(SpaprCpuCore, (obj), TYPE_SPAPR_CPU_CORE)
-#define SPAPR_CPU_CORE_CLASS(klass) \
-    OBJECT_CLASS_CHECK(SpaprCpuCoreClass, (klass), TYPE_SPAPR_CPU_CORE)
-#define SPAPR_CPU_CORE_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(SpaprCpuCoreClass, (obj), TYPE_SPAPR_CPU_CORE)
+OBJECT_DECLARE_TYPE(SpaprCpuCore, SpaprCpuCoreClass,
+                    spapr_cpu_core, SPAPR_CPU_CORE)
 
 #define SPAPR_CPU_CORE_TYPE_NAME(model) model "-" TYPE_SPAPR_CPU_CORE
 
-typedef struct SpaprCpuCore {
+struct SpaprCpuCore {
     /*< private >*/
     CPUCore parent_obj;
 
@@ -32,12 +29,12 @@ typedef struct SpaprCpuCore {
     PowerPCCPU **threads;
     int node_id;
     bool pre_3_0_migration; /* older machine don't know about SpaprCpuState */
-} SpaprCpuCore;
+};
 
-typedef struct SpaprCpuCoreClass {
+struct SpaprCpuCoreClass {
     DeviceClass parent_class;
     const char *cpu_type;
-} SpaprCpuCoreClass;
+};
 
 const char *spapr_get_cpu_core_type(const char *cpu_type);
 void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip,
diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
index b161ccebc2..c22a72c9e2 100644
--- a/include/hw/ppc/spapr_irq.h
+++ b/include/hw/ppc/spapr_irq.h
@@ -11,6 +11,7 @@
 #define HW_SPAPR_IRQ_H
 
 #include "target/ppc/cpu-qom.h"
+#include "qom/object.h"
 
 /*
  * IRQ range offsets per device type
@@ -35,12 +36,11 @@ typedef struct SpaprInterruptController SpaprInterruptController;
 #define TYPE_SPAPR_INTC "spapr-interrupt-controller"
 #define SPAPR_INTC(obj)                                     \
     INTERFACE_CHECK(SpaprInterruptController, (obj), TYPE_SPAPR_INTC)
-#define SPAPR_INTC_CLASS(klass)                                     \
-    OBJECT_CLASS_CHECK(SpaprInterruptControllerClass, (klass), TYPE_SPAPR_INTC)
-#define SPAPR_INTC_GET_CLASS(obj)                                   \
-    OBJECT_GET_CLASS(SpaprInterruptControllerClass, (obj), TYPE_SPAPR_INTC)
+typedef struct SpaprInterruptControllerClass SpaprInterruptControllerClass;
+DECLARE_CLASS_CHECKERS(SpaprInterruptControllerClass, SPAPR_INTC,
+                       TYPE_SPAPR_INTC)
 
-typedef struct SpaprInterruptControllerClass {
+struct SpaprInterruptControllerClass {
     InterfaceClass parent;
 
     int (*activate)(SpaprInterruptController *intc, uint32_t nr_servers,
@@ -65,7 +65,7 @@ typedef struct SpaprInterruptControllerClass {
     void (*dt)(SpaprInterruptController *intc, uint32_t nr_servers,
                void *fdt, uint32_t phandle);
     int (*post_load)(SpaprInterruptController *intc, int version_id);
-} SpaprInterruptControllerClass;
+};
 
 void spapr_irq_update_active_intc(struct SpaprMachineState *spapr);
 
diff --git a/include/hw/ppc/spapr_tpm_proxy.h b/include/hw/ppc/spapr_tpm_proxy.h
index c574e22ba4..300c81b1f0 100644
--- a/include/hw/ppc/spapr_tpm_proxy.h
+++ b/include/hw/ppc/spapr_tpm_proxy.h
@@ -17,15 +17,16 @@
 #include "hw/qdev-core.h"
 
 #define TYPE_SPAPR_TPM_PROXY "spapr-tpm-proxy"
-#define SPAPR_TPM_PROXY(obj) OBJECT_CHECK(SpaprTpmProxy, (obj), \
-                                          TYPE_SPAPR_TPM_PROXY)
+typedef struct SpaprTpmProxy SpaprTpmProxy;
+DECLARE_INSTANCE_CHECKER(SpaprTpmProxy, SPAPR_TPM_PROXY,
+                         TYPE_SPAPR_TPM_PROXY)
 
-typedef struct SpaprTpmProxy {
+struct SpaprTpmProxy {
     /*< private >*/
     DeviceState parent;
 
     char *host_path;
     int host_fd;
-} SpaprTpmProxy;
+};
 
 #endif /* HW_SPAPR_TPM_PROXY_H */
diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h
index bed7df60e3..6c40da72ff 100644
--- a/include/hw/ppc/spapr_vio.h
+++ b/include/hw/ppc/spapr_vio.h
@@ -25,17 +25,16 @@
 #include "hw/ppc/spapr.h"
 #include "sysemu/dma.h"
 #include "hw/irq.h"
+#include "qom/object.h"
 
 #define TYPE_VIO_SPAPR_DEVICE "vio-spapr-device"
-#define VIO_SPAPR_DEVICE(obj) \
-     OBJECT_CHECK(SpaprVioDevice, (obj), TYPE_VIO_SPAPR_DEVICE)
-#define VIO_SPAPR_DEVICE_CLASS(klass) \
-     OBJECT_CLASS_CHECK(SpaprVioDeviceClass, (klass), TYPE_VIO_SPAPR_DEVICE)
-#define VIO_SPAPR_DEVICE_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(SpaprVioDeviceClass, (obj), TYPE_VIO_SPAPR_DEVICE)
+OBJECT_DECLARE_TYPE(SpaprVioDevice, SpaprVioDeviceClass,
+                    vio_spapr_device, VIO_SPAPR_DEVICE)
 
 #define TYPE_SPAPR_VIO_BUS "spapr-vio-bus"
-#define SPAPR_VIO_BUS(obj) OBJECT_CHECK(SpaprVioBus, (obj), TYPE_SPAPR_VIO_BUS)
+typedef struct SpaprVioBus SpaprVioBus;
+DECLARE_INSTANCE_CHECKER(SpaprVioBus, SPAPR_VIO_BUS,
+                         TYPE_SPAPR_VIO_BUS)
 
 #define TYPE_SPAPR_VIO_BRIDGE "spapr-vio-bridge"
 
@@ -46,10 +45,8 @@ typedef struct SpaprVioCrq {
     int(*SendFunc)(struct SpaprVioDevice *vdev, uint8_t *crq);
 } SpaprVioCrq;
 
-typedef struct SpaprVioDevice SpaprVioDevice;
-typedef struct SpaprVioBus SpaprVioBus;
 
-typedef struct SpaprVioDeviceClass {
+struct SpaprVioDeviceClass {
     DeviceClass parent_class;
 
     const char *dt_name, *dt_type, *dt_compatible;
@@ -59,7 +56,7 @@ typedef struct SpaprVioDeviceClass {
     void (*reset)(SpaprVioDevice *dev);
     int (*devnode)(SpaprVioDevice *dev, void *fdt, int node_off);
     const char *(*get_dt_compatible)(SpaprVioDevice *dev);
-} SpaprVioDeviceClass;
+};
 
 struct SpaprVioDevice {
     DeviceState qdev;
diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index 9ed58ec7e9..c5a3cdcadc 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -30,6 +30,7 @@
 
 #include "exec/memory.h"
 #include "hw/qdev-core.h"
+#include "qom/object.h"
 
 #define XICS_IPI        0x2
 #define XICS_BUID       0x1
@@ -40,8 +41,6 @@
  * (the kernel implementation supports more but we don't exploit
  *  that yet)
  */
-typedef struct ICPStateClass ICPStateClass;
-typedef struct ICPState ICPState;
 typedef struct PnvICPState PnvICPState;
 typedef struct ICSStateClass ICSStateClass;
 typedef struct ICSState ICSState;
@@ -49,15 +48,13 @@ typedef struct ICSIRQState ICSIRQState;
 typedef struct XICSFabric XICSFabric;
 
 #define TYPE_ICP "icp"
-#define ICP(obj) OBJECT_CHECK(ICPState, (obj), TYPE_ICP)
+OBJECT_DECLARE_TYPE(ICPState, ICPStateClass,
+                    icp, ICP)
 
 #define TYPE_PNV_ICP "pnv-icp"
-#define PNV_ICP(obj) OBJECT_CHECK(PnvICPState, (obj), TYPE_PNV_ICP)
+DECLARE_INSTANCE_CHECKER(PnvICPState, PNV_ICP,
+                         TYPE_PNV_ICP)
 
-#define ICP_CLASS(klass) \
-     OBJECT_CLASS_CHECK(ICPStateClass, (klass), TYPE_ICP)
-#define ICP_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(ICPStateClass, (obj), TYPE_ICP)
 
 struct ICPStateClass {
     DeviceClass parent_class;
@@ -90,12 +87,9 @@ struct PnvICPState {
 };
 
 #define TYPE_ICS "ics"
-#define ICS(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS)
+DECLARE_OBJ_CHECKERS(ICSState, ICSStateClass,
+                     ICS, TYPE_ICS)
 
-#define ICS_CLASS(klass) \
-     OBJECT_CLASS_CHECK(ICSStateClass, (klass), TYPE_ICS)
-#define ICS_GET_CLASS(obj) \
-     OBJECT_GET_CLASS(ICSStateClass, (obj), TYPE_ICS)
 
 struct ICSStateClass {
     DeviceClass parent_class;
@@ -145,17 +139,16 @@ struct ICSIRQState {
 #define TYPE_XICS_FABRIC "xics-fabric"
 #define XICS_FABRIC(obj)                                     \
     INTERFACE_CHECK(XICSFabric, (obj), TYPE_XICS_FABRIC)
-#define XICS_FABRIC_CLASS(klass)                                     \
-    OBJECT_CLASS_CHECK(XICSFabricClass, (klass), TYPE_XICS_FABRIC)
-#define XICS_FABRIC_GET_CLASS(obj)                                   \
-    OBJECT_GET_CLASS(XICSFabricClass, (obj), TYPE_XICS_FABRIC)
+typedef struct XICSFabricClass XICSFabricClass;
+DECLARE_CLASS_CHECKERS(XICSFabricClass, XICS_FABRIC,
+                       TYPE_XICS_FABRIC)
 
-typedef struct XICSFabricClass {
+struct XICSFabricClass {
     InterfaceClass parent;
     ICSState *(*ics_get)(XICSFabric *xi, int irq);
     void (*ics_resend)(XICSFabric *xi);
     ICPState *(*icp_get)(XICSFabric *xi, int server);
-} XICSFabricClass;
+};
 
 ICPState *xics_icp_get(XICSFabric *xi, int server);
 
diff --git a/include/hw/ppc/xics_spapr.h b/include/hw/ppc/xics_spapr.h
index 1c65c96e3c..0b8182e40b 100644
--- a/include/hw/ppc/xics_spapr.h
+++ b/include/hw/ppc/xics_spapr.h
@@ -28,9 +28,12 @@
 #define XICS_SPAPR_H
 
 #include "hw/ppc/spapr.h"
+#include "qom/object.h"
 
 #define TYPE_ICS_SPAPR "ics-spapr"
-#define ICS_SPAPR(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_SPAPR)
+/* This is reusing the ICSState typedef from TYPE_ICS */
+DECLARE_INSTANCE_CHECKER(ICSState, ICS_SPAPR,
+                         TYPE_ICS_SPAPR)
 
 int xics_kvm_connect(SpaprInterruptController *intc, uint32_t nr_servers,
                      Error **errp);
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index 2c42ae92d2..482fafccfd 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -143,6 +143,7 @@
 #include "sysemu/kvm.h"
 #include "hw/sysbus.h"
 #include "hw/ppc/xive_regs.h"
+#include "qom/object.h"
 
 /*
  * XIVE Notifier (Interface between Source and Router)
@@ -153,22 +154,23 @@ typedef struct XiveNotifier XiveNotifier;
 #define TYPE_XIVE_NOTIFIER "xive-notifier"
 #define XIVE_NOTIFIER(obj)                                     \
     INTERFACE_CHECK(XiveNotifier, (obj), TYPE_XIVE_NOTIFIER)
-#define XIVE_NOTIFIER_CLASS(klass)                                     \
-    OBJECT_CLASS_CHECK(XiveNotifierClass, (klass), TYPE_XIVE_NOTIFIER)
-#define XIVE_NOTIFIER_GET_CLASS(obj)                                   \
-    OBJECT_GET_CLASS(XiveNotifierClass, (obj), TYPE_XIVE_NOTIFIER)
+typedef struct XiveNotifierClass XiveNotifierClass;
+DECLARE_CLASS_CHECKERS(XiveNotifierClass, XIVE_NOTIFIER,
+                       TYPE_XIVE_NOTIFIER)
 
-typedef struct XiveNotifierClass {
+struct XiveNotifierClass {
     InterfaceClass parent;
     void (*notify)(XiveNotifier *xn, uint32_t lisn);
-} XiveNotifierClass;
+};
 
 /*
  * XIVE Interrupt Source
  */
 
 #define TYPE_XIVE_SOURCE "xive-source"
-#define XIVE_SOURCE(obj) OBJECT_CHECK(XiveSource, (obj), TYPE_XIVE_SOURCE)
+typedef struct XiveSource XiveSource;
+DECLARE_INSTANCE_CHECKER(XiveSource, XIVE_SOURCE,
+                         TYPE_XIVE_SOURCE)
 
 /*
  * XIVE Interrupt Source characteristics, which define how the ESB are
@@ -177,7 +179,7 @@ typedef struct XiveNotifierClass {
 #define XIVE_SRC_H_INT_ESB     0x1 /* ESB managed with hcall H_INT_ESB */
 #define XIVE_SRC_STORE_EOI     0x2 /* Store EOI supported */
 
-typedef struct XiveSource {
+struct XiveSource {
     DeviceState parent;
 
     /* IRQs */
@@ -198,7 +200,7 @@ typedef struct XiveSource {
     MemoryRegion    esb_mmio_kvm;
 
     XiveNotifier    *xive;
-} XiveSource;
+};
 
 /*
  * ESB MMIO setting. Can be one page, for both source triggering and
@@ -304,7 +306,9 @@ void xive_source_set_irq(void *opaque, int srcno, int val);
  */
 
 #define TYPE_XIVE_TCTX "xive-tctx"
-#define XIVE_TCTX(obj) OBJECT_CHECK(XiveTCTX, (obj), TYPE_XIVE_TCTX)
+typedef struct XiveTCTX XiveTCTX;
+DECLARE_INSTANCE_CHECKER(XiveTCTX, XIVE_TCTX,
+                         TYPE_XIVE_TCTX)
 
 /*
  * XIVE Thread interrupt Management register rings :
@@ -319,7 +323,7 @@ void xive_source_set_irq(void *opaque, int srcno, int val);
 
 typedef struct XivePresenter XivePresenter;
 
-typedef struct XiveTCTX {
+struct XiveTCTX {
     DeviceState parent_obj;
 
     CPUState    *cs;
@@ -329,28 +333,24 @@ typedef struct XiveTCTX {
     uint8_t     regs[XIVE_TM_RING_COUNT * XIVE_TM_RING_SIZE];
 
     XivePresenter *xptr;
-} XiveTCTX;
+};
 
 /*
  * XIVE Router
  */
 typedef struct XiveFabric XiveFabric;
 
-typedef struct XiveRouter {
+struct XiveRouter {
     SysBusDevice    parent;
 
     XiveFabric *xfb;
-} XiveRouter;
+};
 
 #define TYPE_XIVE_ROUTER "xive-router"
-#define XIVE_ROUTER(obj)                                \
-    OBJECT_CHECK(XiveRouter, (obj), TYPE_XIVE_ROUTER)
-#define XIVE_ROUTER_CLASS(klass)                                        \
-    OBJECT_CLASS_CHECK(XiveRouterClass, (klass), TYPE_XIVE_ROUTER)
-#define XIVE_ROUTER_GET_CLASS(obj)                              \
-    OBJECT_GET_CLASS(XiveRouterClass, (obj), TYPE_XIVE_ROUTER)
-
-typedef struct XiveRouterClass {
+OBJECT_DECLARE_TYPE(XiveRouter, XiveRouterClass,
+                    xive_router, XIVE_ROUTER)
+
+struct XiveRouterClass {
     SysBusDeviceClass parent;
 
     /* XIVE table accessors */
@@ -365,7 +365,7 @@ typedef struct XiveRouterClass {
     int (*write_nvt)(XiveRouter *xrtr, uint8_t nvt_blk, uint32_t nvt_idx,
                      XiveNVT *nvt, uint8_t word_number);
     uint8_t (*get_block_id)(XiveRouter *xrtr);
-} XiveRouterClass;
+};
 
 int xive_router_get_eas(XiveRouter *xrtr, uint8_t eas_blk, uint32_t eas_idx,
                         XiveEAS *eas);
@@ -391,19 +391,18 @@ typedef struct XiveTCTXMatch {
 #define TYPE_XIVE_PRESENTER "xive-presenter"
 #define XIVE_PRESENTER(obj)                                     \
     INTERFACE_CHECK(XivePresenter, (obj), TYPE_XIVE_PRESENTER)
-#define XIVE_PRESENTER_CLASS(klass)                                     \
-    OBJECT_CLASS_CHECK(XivePresenterClass, (klass), TYPE_XIVE_PRESENTER)
-#define XIVE_PRESENTER_GET_CLASS(obj)                                   \
-    OBJECT_GET_CLASS(XivePresenterClass, (obj), TYPE_XIVE_PRESENTER)
+typedef struct XivePresenterClass XivePresenterClass;
+DECLARE_CLASS_CHECKERS(XivePresenterClass, XIVE_PRESENTER,
+                       TYPE_XIVE_PRESENTER)
 
-typedef struct XivePresenterClass {
+struct XivePresenterClass {
     InterfaceClass parent;
     int (*match_nvt)(XivePresenter *xptr, uint8_t format,
                      uint8_t nvt_blk, uint32_t nvt_idx,
                      bool cam_ignore, uint8_t priority,
                      uint32_t logic_serv, XiveTCTXMatch *match);
     bool (*in_kernel)(const XivePresenter *xptr);
-} XivePresenterClass;
+};
 
 int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
                               uint8_t format,
@@ -417,28 +416,28 @@ int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
 #define TYPE_XIVE_FABRIC "xive-fabric"
 #define XIVE_FABRIC(obj)                                     \
     INTERFACE_CHECK(XiveFabric, (obj), TYPE_XIVE_FABRIC)
-#define XIVE_FABRIC_CLASS(klass)                                     \
-    OBJECT_CLASS_CHECK(XiveFabricClass, (klass), TYPE_XIVE_FABRIC)
-#define XIVE_FABRIC_GET_CLASS(obj)                                   \
-    OBJECT_GET_CLASS(XiveFabricClass, (obj), TYPE_XIVE_FABRIC)
+typedef struct XiveFabricClass XiveFabricClass;
+DECLARE_CLASS_CHECKERS(XiveFabricClass, XIVE_FABRIC,
+                       TYPE_XIVE_FABRIC)
 
-typedef struct XiveFabricClass {
+struct XiveFabricClass {
     InterfaceClass parent;
     int (*match_nvt)(XiveFabric *xfb, uint8_t format,
                      uint8_t nvt_blk, uint32_t nvt_idx,
                      bool cam_ignore, uint8_t priority,
                      uint32_t logic_serv, XiveTCTXMatch *match);
-} XiveFabricClass;
+};
 
 /*
  * XIVE END ESBs
  */
 
 #define TYPE_XIVE_END_SOURCE "xive-end-source"
-#define XIVE_END_SOURCE(obj) \
-    OBJECT_CHECK(XiveENDSource, (obj), TYPE_XIVE_END_SOURCE)
+typedef struct XiveENDSource XiveENDSource;
+DECLARE_INSTANCE_CHECKER(XiveENDSource, XIVE_END_SOURCE,
+                         TYPE_XIVE_END_SOURCE)
 
-typedef struct XiveENDSource {
+struct XiveENDSource {
     DeviceState parent;
 
     uint32_t        nr_ends;
@@ -448,7 +447,7 @@ typedef struct XiveENDSource {
     MemoryRegion    esb_mmio;
 
     XiveRouter      *xrtr;
-} XiveENDSource;
+};
 
 /*
  * For legacy compatibility, the exceptions define up to 256 different