Merge tag 'hw-misc-20240227' of https://github.com/philmd/qemu into staging

Misc HW patch queue

hw: Remove sysbus_address_space() (Phil)
hw/nubus: Add nubus-virtio-mmio device (Mark)
hw/usb: Remove usb_bus_find() (Paolo)
hw/usb: Extract sysbus-ohci from ohci (Paolo)
hw/nvme: Fix invalid endian conversion
hw/i386: More PC machine housekeeping (Bernhard, Phil)
hw/ide: Restrict "ide-internal.h" (Zoltan, Phil)
qom: Expose object_resolve_type_unambiguous() (Paolo)

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# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20240227' of https://github.com/philmd/qemu: (30 commits)
  hw/ide: Include 'ide-internal.h' from current path
  hw/ide: Remove last two uses of ide/internal.h outside of hw/ide/
  hw/arm/sbsa-ref: Do not open-code ahci_ide_create_devs()
  hw/i386/pc: Populate RTC attribute directly
  hw/i386/pc: Remove unneeded class attribute "kvmclock_enabled"
  hw/i386/pc_{piix, q35}: Eliminate local pci_bus/pci_host variables
  hw/i386/pc: Rename "bus" attribute to "pcibus"
  hw/i386/q35: Include missing 'hw/acpi/acpi.h' header
  hw/i386/sgx: Use QDev API
  hw/i386/x86: Let ioapic_init_gsi() take parent as pointer
  hw/nvme: fix invalid endian conversion
  hw/usb: remove duplicate file in system_ss
  hw/usb: extract sysbus-ohci to a separate file
  hw/usb: remove usb_bus_find
  hw/ppc/pseries: do not require CONFIG_USB
  hw/ppc/mac_newworld: do not require CONFIG_USB
  hw/hppa: do not require CONFIG_USB
  hw/mips/loongson3_virt: do not require CONFIG_USB
  hw/sh4/r2d: do not use usb_bus_find()
  hw/ppc/sam460ex: do not use usb_bus_find()
  ...

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

9 files changed, 53 insertions, 459 deletions

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index e884681..4bb1899 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -31,7 +31,7 @@ typedef struct PCMachineState {
     Notifier machine_done;
 
     /* Pointers to devices and objects: */
-    PCIBus *bus;
+    PCIBus *pcibus;
     I2CBus *smbus;
     PFlashCFI01 *flash[2];
     ISADevice *pcspk;
@@ -92,7 +92,6 @@ struct PCMachineClass {
 
     /* Device configuration: */
     bool pci_enabled;
-    bool kvmclock_enabled;
     const char *default_south_bridge;
 
     /* Compat options: */
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 8e306db..4dc30dc 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -139,7 +139,7 @@ typedef struct GSIState {
 
 qemu_irq x86_allocate_cpu_irq(void);
 void gsi_handler(void *opaque, int n, int level);
-void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
+void ioapic_init_gsi(GSIState *gsi_state, Object *parent);
 DeviceState *ioapic_init_secondary(GSIState *gsi_state);
 
 /* pc_sysfw.c */
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
deleted file mode 100644
index 20dde37..0000000
--- a/include/hw/ide/internal.h
+++ /dev/null
@@ -1,452 +0,0 @@
-#ifndef HW_IDE_INTERNAL_H
-#define HW_IDE_INTERNAL_H
-
-/*
- * QEMU IDE Emulation -- internal header file
- * only files in hw/ide/ are supposed to include this file.
- * non-internal declarations are in hw/include/ide-*.h
- */
-
-#include "hw/ide/ide-bus.h"
-
-/* debug IDE devices */
-#define USE_DMA_CDROM
-
-/* Device/Head ("select") Register */
-#define ATA_DEV_SELECT          0x10
-/* ATA1,3: Defined as '1'.
- * ATA2:   Reserved.
- * ATA3-7: obsolete. */
-#define ATA_DEV_ALWAYS_ON       0xA0
-#define ATA_DEV_LBA             0x40
-#define ATA_DEV_LBA_MSB         0x0F  /* LBA 24:27 */
-#define ATA_DEV_HS              0x0F  /* HS 3:0 */
-
-
-/* Bits of HD_STATUS */
-#define ERR_STAT                0x01
-#define INDEX_STAT              0x02
-#define ECC_STAT                0x04    /* Corrected error */
-#define DRQ_STAT                0x08
-#define SEEK_STAT               0x10
-#define SRV_STAT                0x10
-#define WRERR_STAT              0x20
-#define READY_STAT              0x40
-#define BUSY_STAT               0x80
-
-/* Bits for HD_ERROR */
-#define MARK_ERR                0x01    /* Bad address mark */
-#define TRK0_ERR                0x02    /* couldn't find track 0 */
-#define ABRT_ERR                0x04    /* Command aborted */
-#define MCR_ERR                 0x08    /* media change request */
-#define ID_ERR                  0x10    /* ID field not found */
-#define MC_ERR                  0x20    /* media changed */
-#define ECC_ERR                 0x40    /* Uncorrectable ECC error */
-#define BBD_ERR                 0x80    /* pre-EIDE meaning:  block marked bad */
-#define ICRC_ERR                0x80    /* new meaning:  CRC error during transfer */
-
-/* Bits of HD_NSECTOR */
-#define CD                      0x01
-#define IO                      0x02
-#define REL                     0x04
-#define TAG_MASK                0xf8
-
-/* Bits of Device Control register */
-#define IDE_CTRL_HOB            0x80
-#define IDE_CTRL_RESET          0x04
-#define IDE_CTRL_DISABLE_IRQ    0x02
-
-/* ACS-2 T13/2015-D Table B.2 Command codes */
-#define WIN_NOP                         0x00
-/* reserved                             0x01..0x02 */
-#define CFA_REQ_EXT_ERROR_CODE          0x03 /* CFA Request Extended Error Code */
-/* reserved                             0x04..0x05 */
-#define WIN_DSM                         0x06
-/* reserved                             0x07 */
-#define WIN_DEVICE_RESET                0x08
-/* reserved                             0x09..0x0a */
-/* REQUEST SENSE DATA EXT               0x0B */
-/* reserved                             0x0C..0x0F */
-#define WIN_RECAL                       0x10 /* obsolete since ATA4 */
-/* obsolete since ATA3, retired in ATA4 0x11..0x1F */
-#define WIN_READ                        0x20 /* 28-Bit */
-#define WIN_READ_ONCE                   0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
-/* obsolete since ATA4                  0x22..0x23 */
-#define WIN_READ_EXT                    0x24 /* 48-Bit */
-#define WIN_READDMA_EXT                 0x25 /* 48-Bit */
-#define WIN_READDMA_QUEUED_EXT          0x26 /* 48-Bit, obsolete since ACS2 */
-#define WIN_READ_NATIVE_MAX_EXT         0x27 /* 48-Bit */
-/* reserved                             0x28 */
-#define WIN_MULTREAD_EXT                0x29 /* 48-Bit */
-/* READ STREAM DMA EXT                  0x2A */
-/* READ STREAM EXT                      0x2B */
-/* reserved                             0x2C..0x2E */
-/* READ LOG EXT                         0x2F */
-#define WIN_WRITE                       0x30 /* 28-Bit */
-#define WIN_WRITE_ONCE                  0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
-/* obsolete since ATA4                  0x32..0x33 */
-#define WIN_WRITE_EXT                   0x34 /* 48-Bit */
-#define WIN_WRITEDMA_EXT                0x35 /* 48-Bit */
-#define WIN_WRITEDMA_QUEUED_EXT         0x36 /* 48-Bit */
-#define WIN_SET_MAX_EXT                 0x37 /* 48-Bit, obsolete since ACS2 */
-#define WIN_SET_MAX_EXT                 0x37 /* 48-Bit */
-#define CFA_WRITE_SECT_WO_ERASE         0x38 /* CFA Write Sectors without erase */
-#define WIN_MULTWRITE_EXT               0x39 /* 48-Bit */
-/* WRITE STREAM DMA EXT                 0x3A */
-/* WRITE STREAM EXT                     0x3B */
-#define WIN_WRITE_VERIFY                0x3C /* 28-Bit, obsolete since ATA4 */
-/* WRITE DMA FUA EXT                    0x3D */
-/* obsolete since ACS2                  0x3E */
-/* WRITE LOG EXT                        0x3F */
-#define WIN_VERIFY                      0x40 /* 28-Bit - Read Verify Sectors */
-#define WIN_VERIFY_ONCE                 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
-#define WIN_VERIFY_EXT                  0x42 /* 48-Bit */
-/* reserved                             0x43..0x44 */
-/* WRITE UNCORRECTABLE EXT              0x45 */
-/* reserved                             0x46 */
-/* READ LOG DMA EXT                     0x47 */
-/* reserved                             0x48..0x4F */
-/* obsolete since ATA4                  0x50 */
-/* CONFIGURE STREAM                     0x51 */
-/* reserved                             0x52..0x56 */
-/* WRITE LOG DMA EXT                    0x57 */
-/* reserved                             0x58..0x5A */
-/* TRUSTED NON DATA                     0x5B */
-/* TRUSTED RECEIVE                      0x5C */
-/* TRUSTED RECEIVE DMA                  0x5D */
-/* TRUSTED SEND                         0x5E */
-/* TRUSTED SEND DMA                     0x5F */
-/* READ FPDMA QUEUED                    0x60 */
-/* WRITE FPDMA QUEUED                   0x61 */
-/* reserved                             0x62->0x6F */
-#define WIN_SEEK                        0x70 /* obsolete since ATA7 */
-/* reserved                             0x71-0x7F */
-/* vendor specific                      0x80-0x86 */
-#define CFA_TRANSLATE_SECTOR            0x87 /* CFA Translate Sector */
-/* vendor specific                      0x88-0x8F */
-#define WIN_DIAGNOSE                    0x90
-#define WIN_SPECIFY                     0x91 /* set drive geometry translation, obsolete since ATA6 */
-#define WIN_DOWNLOAD_MICROCODE          0x92
-/* DOWNLOAD MICROCODE DMA               0x93 */
-#define WIN_STANDBYNOW2                 0x94 /* retired in ATA4 */
-#define WIN_IDLEIMMEDIATE2              0x95 /* force drive to become "ready", retired in ATA4 */
-#define WIN_STANDBY2                    0x96 /* retired in ATA4 */
-#define WIN_SETIDLE2                    0x97 /* retired in ATA4 */
-#define WIN_CHECKPOWERMODE2             0x98 /* retired in ATA4 */
-#define WIN_SLEEPNOW2                   0x99 /* retired in ATA4 */
-/* vendor specific                      0x9A */
-/* reserved                             0x9B..0x9F */
-#define WIN_PACKETCMD                   0xA0 /* Send a packet command. */
-#define WIN_PIDENTIFY                   0xA1 /* identify ATAPI device */
-#define WIN_QUEUED_SERVICE              0xA2 /* obsolete since ACS2 */
-/* reserved                             0xA3..0xAF */
-#define WIN_SMART                       0xB0 /* self-monitoring and reporting */
-/* Device Configuration Overlay         0xB1 */
-/* reserved                             0xB2..0xB3 */
-/* Sanitize Device                      0xB4 */
-/* reserved                             0xB5 */
-/* NV Cache                             0xB6 */
-/* reserved for CFA                     0xB7..0xBB */
-#define CFA_ACCESS_METADATA_STORAGE     0xB8
-/* reserved                             0xBC..0xBF */
-#define CFA_ERASE_SECTORS               0xC0 /* microdrives implement as NOP */
-/* vendor specific                      0xC1..0xC3 */
-#define WIN_MULTREAD                    0xC4 /* read sectors using multiple mode*/
-#define WIN_MULTWRITE                   0xC5 /* write sectors using multiple mode */
-#define WIN_SETMULT                     0xC6 /* enable/disable multiple mode */
-#define WIN_READDMA_QUEUED              0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
-#define WIN_READDMA                     0xC8 /* read sectors using DMA transfers */
-#define WIN_READDMA_ONCE                0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
-#define WIN_WRITEDMA                    0xCA /* write sectors using DMA transfers */
-#define WIN_WRITEDMA_ONCE               0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
-#define WIN_WRITEDMA_QUEUED             0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
-#define CFA_WRITE_MULTI_WO_ERASE        0xCD /* CFA Write multiple without erase */
-/* WRITE MULTIPLE FUA EXT               0xCE */
-/* reserved                             0xCF..0xDO */
-/* CHECK MEDIA CARD TYPE                0xD1 */
-/* reserved for media card pass through 0xD2..0xD4 */
-/* reserved                             0xD5..0xD9 */
-#define WIN_GETMEDIASTATUS              0xDA /* obsolete since ATA8 */
-/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
-#define WIN_DOORLOCK                    0xDE /* lock door on removable drives, obsolete since ATA8 */
-#define WIN_DOORUNLOCK                  0xDF /* unlock door on removable drives, obsolete since ATA8 */
-#define WIN_STANDBYNOW1                 0xE0
-#define WIN_IDLEIMMEDIATE               0xE1 /* force drive to become "ready" */
-#define WIN_STANDBY                     0xE2 /* Set device in Standby Mode */
-#define WIN_SETIDLE1                    0xE3
-#define WIN_READ_BUFFER                 0xE4 /* force read only 1 sector */
-#define WIN_CHECKPOWERMODE1             0xE5
-#define WIN_SLEEPNOW1                   0xE6
-#define WIN_FLUSH_CACHE                 0xE7
-#define WIN_WRITE_BUFFER                0xE8 /* force write only 1 sector */
-/* READ BUFFER DMA                      0xE9 */
-#define WIN_FLUSH_CACHE_EXT             0xEA /* 48-Bit */
-/* WRITE BUFFER DMA                     0xEB */
-#define WIN_IDENTIFY                    0xEC /* ask drive to identify itself */
-#define WIN_MEDIAEJECT                  0xED /* obsolete since ATA8 */
-/* obsolete since ATA4                  0xEE */
-#define WIN_SETFEATURES                 0xEF /* set special drive features */
-#define IBM_SENSE_CONDITION             0xF0 /* measure disk temperature, vendor specific */
-#define WIN_SECURITY_SET_PASS           0xF1
-#define WIN_SECURITY_UNLOCK             0xF2
-#define WIN_SECURITY_ERASE_PREPARE      0xF3
-#define WIN_SECURITY_ERASE_UNIT         0xF4
-#define WIN_SECURITY_FREEZE_LOCK        0xF5
-#define CFA_WEAR_LEVEL                  0xF5 /* microdrives implement as NOP; not specified in T13! */
-#define WIN_SECURITY_DISABLE            0xF6
-/* vendor specific                      0xF7 */
-#define WIN_READ_NATIVE_MAX             0xF8 /* return the native maximum address */
-#define WIN_SET_MAX                     0xF9
-/* vendor specific                      0xFA..0xFF */
-
-/* set to 1 set disable mult support */
-#define MAX_MULT_SECTORS 16
-
-#define IDE_DMA_BUF_SECTORS 256
-
-/* feature values for Data Set Management */
-#define DSM_TRIM                        0x01
-
-#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
-#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
-#endif
-
-/* ATAPI defines */
-
-#define ATAPI_PACKET_SIZE 12
-
-/* The generic packet command opcodes for CD/DVD Logical Units,
- * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
-#define GPCMD_BLANK                         0xa1
-#define GPCMD_CLOSE_TRACK                   0x5b
-#define GPCMD_FLUSH_CACHE                   0x35
-#define GPCMD_FORMAT_UNIT                   0x04
-#define GPCMD_GET_CONFIGURATION             0x46
-#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
-#define GPCMD_GET_PERFORMANCE               0xac
-#define GPCMD_INQUIRY                       0x12
-#define GPCMD_LOAD_UNLOAD                   0xa6
-#define GPCMD_MECHANISM_STATUS              0xbd
-#define GPCMD_MODE_SELECT_10                0x55
-#define GPCMD_MODE_SENSE_10                 0x5a
-#define GPCMD_PAUSE_RESUME                  0x4b
-#define GPCMD_PLAY_AUDIO_10                 0x45
-#define GPCMD_PLAY_AUDIO_MSF                0x47
-#define GPCMD_PLAY_AUDIO_TI                 0x48
-#define GPCMD_PLAY_CD                       0xbc
-#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
-#define GPCMD_READ_10                       0x28
-#define GPCMD_READ_12                       0xa8
-#define GPCMD_READ_CDVD_CAPACITY            0x25
-#define GPCMD_READ_CD                       0xbe
-#define GPCMD_READ_CD_MSF                   0xb9
-#define GPCMD_READ_DISC_INFO                0x51
-#define GPCMD_READ_DVD_STRUCTURE            0xad
-#define GPCMD_READ_FORMAT_CAPACITIES        0x23
-#define GPCMD_READ_HEADER                   0x44
-#define GPCMD_READ_TRACK_RZONE_INFO         0x52
-#define GPCMD_READ_SUBCHANNEL               0x42
-#define GPCMD_READ_TOC_PMA_ATIP             0x43
-#define GPCMD_REPAIR_RZONE_TRACK            0x58
-#define GPCMD_REPORT_KEY                    0xa4
-#define GPCMD_REQUEST_SENSE                 0x03
-#define GPCMD_RESERVE_RZONE_TRACK           0x53
-#define GPCMD_SCAN                          0xba
-#define GPCMD_SEEK                          0x2b
-#define GPCMD_SEND_DVD_STRUCTURE            0xad
-#define GPCMD_SEND_EVENT                    0xa2
-#define GPCMD_SEND_KEY                      0xa3
-#define GPCMD_SEND_OPC                      0x54
-#define GPCMD_SET_READ_AHEAD                0xa7
-#define GPCMD_SET_STREAMING                 0xb6
-#define GPCMD_START_STOP_UNIT               0x1b
-#define GPCMD_STOP_PLAY_SCAN                0x4e
-#define GPCMD_TEST_UNIT_READY               0x00
-#define GPCMD_VERIFY_10                     0x2f
-#define GPCMD_WRITE_10                      0x2a
-#define GPCMD_WRITE_AND_VERIFY_10           0x2e
-/* This is listed as optional in ATAPI 2.6, but is (curiously)
- * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
- * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
- * drives support it. */
-#define GPCMD_SET_SPEED                     0xbb
-/* This seems to be a SCSI specific CD-ROM opcode
- * to play data at track/index */
-#define GPCMD_PLAYAUDIO_TI                  0x48
-/*
- * From MS Media Status Notification Support Specification. For
- * older drives only.
- */
-#define GPCMD_GET_MEDIA_STATUS              0xda
-#define GPCMD_MODE_SENSE_6                  0x1a
-
-#define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */
-#define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */
-#define ATAPI_INT_REASON_REL            0x04
-#define ATAPI_INT_REASON_TAG            0xf8
-
-/* same constants as bochs */
-#define ASC_NO_SEEK_COMPLETE                 0x02
-#define ASC_ILLEGAL_OPCODE                   0x20
-#define ASC_LOGICAL_BLOCK_OOR                0x21
-#define ASC_INV_FIELD_IN_CMD_PACKET          0x24
-#define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28
-#define ASC_INCOMPATIBLE_FORMAT              0x30
-#define ASC_MEDIUM_NOT_PRESENT               0x3a
-#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39
-#define ASC_DATA_PHASE_ERROR                 0x4b
-#define ASC_MEDIA_REMOVAL_PREVENTED          0x53
-
-#define CFA_NO_ERROR            0x00
-#define CFA_MISC_ERROR          0x09
-#define CFA_INVALID_COMMAND     0x20
-#define CFA_INVALID_ADDRESS     0x21
-#define CFA_ADDRESS_OVERFLOW    0x2f
-
-#define SMART_READ_DATA       0xd0
-#define SMART_READ_THRESH     0xd1
-#define SMART_ATTR_AUTOSAVE   0xd2
-#define SMART_SAVE_ATTR       0xd3
-#define SMART_EXECUTE_OFFLINE 0xd4
-#define SMART_READ_LOG        0xd5
-#define SMART_WRITE_LOG       0xd6
-#define SMART_ENABLE          0xd8
-#define SMART_DISABLE         0xd9
-#define SMART_STATUS          0xda
-
-extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT];
-
-extern const MemoryRegionPortio ide_portio_list[];
-extern const MemoryRegionPortio ide_portio2_list[];
-
-#define ide_cmd_is_read(s) \
-        ((s)->dma_cmd == IDE_DMA_READ)
-
-typedef struct IDEBufferedRequest {
-    QLIST_ENTRY(IDEBufferedRequest) list;
-    QEMUIOVector qiov;
-    QEMUIOVector *original_qiov;
-    BlockCompletionFunc *original_cb;
-    void *original_opaque;
-    bool orphaned;
-} IDEBufferedRequest;
-
-/* These are used for the error_status field of IDEBus */
-#define IDE_RETRY_MASK 0xf8
-#define IDE_RETRY_DMA  0x08
-#define IDE_RETRY_PIO  0x10
-#define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */
-#define IDE_RETRY_READ  0x20
-#define IDE_RETRY_FLUSH 0x40
-#define IDE_RETRY_TRIM 0x80
-#define IDE_RETRY_HBA  0x100
-
-#define IS_IDE_RETRY_DMA(_status) \
-    ((_status) & IDE_RETRY_DMA)
-
-#define IS_IDE_RETRY_PIO(_status) \
-    ((_status) & IDE_RETRY_PIO)
-
-/*
- * The method of the IDE_RETRY_ATAPI determination is to use a previously
- * impossible bit combination as a new status value.
- */
-#define IS_IDE_RETRY_ATAPI(_status)   \
-    (((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
-
-static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd)
-{
-    switch (dma_cmd) {
-    case IDE_DMA_READ:
-        return IDE_RETRY_DMA | IDE_RETRY_READ;
-    case IDE_DMA_WRITE:
-        return IDE_RETRY_DMA;
-    case IDE_DMA_TRIM:
-        return IDE_RETRY_DMA | IDE_RETRY_TRIM;
-    case IDE_DMA_ATAPI:
-        return IDE_RETRY_ATAPI;
-    default:
-        break;
-    }
-    return 0;
-}
-
-static inline IDEState *ide_bus_active_if(IDEBus *bus)
-{
-    return bus->ifs + bus->unit;
-}
-
-/* hw/ide/core.c */
-extern const VMStateDescription vmstate_ide_bus;
-
-#define VMSTATE_IDE_BUS(_field, _state)                          \
-    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
-
-#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \
-    VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
-
-extern const VMStateDescription vmstate_ide_drive;
-
-#define VMSTATE_IDE_DRIVES(_field, _state) \
-    VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
-
-#define VMSTATE_IDE_DRIVE(_field, _state) \
-    VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
-
-void ide_bus_reset(IDEBus *bus);
-int64_t ide_get_sector(IDEState *s);
-void ide_set_sector(IDEState *s, int64_t sector_num);
-
-void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
-void dma_buf_commit(IDEState *s, uint32_t tx_bytes);
-void ide_dma_error(IDEState *s);
-void ide_abort_command(IDEState *s);
-
-void ide_atapi_cmd_ok(IDEState *s);
-void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
-void ide_atapi_dma_restart(IDEState *s);
-void ide_atapi_io_error(IDEState *s, int ret);
-
-void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
-uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
-uint32_t ide_status_read(void *opaque, uint32_t addr);
-void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val);
-void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
-uint32_t ide_data_readw(void *opaque, uint32_t addr);
-void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
-uint32_t ide_data_readl(void *opaque, uint32_t addr);
-
-int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
-                   const char *version, const char *serial, const char *model,
-                   uint64_t wwn,
-                   uint32_t cylinders, uint32_t heads, uint32_t secs,
-                   int chs_trans, Error **errp);
-void ide_exit(IDEState *s);
-void ide_bus_init_output_irq(IDEBus *bus, qemu_irq irq_out);
-int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
-void ide_bus_set_irq(IDEBus *bus);
-void ide_bus_register_restart_cb(IDEBus *bus);
-
-void ide_bus_exec_cmd(IDEBus *bus, uint32_t val);
-
-void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
-                        EndTransferFunc *end_transfer_func);
-bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size,
-                                  EndTransferFunc *end_transfer_func);
-void ide_transfer_stop(IDEState *s);
-void ide_set_inactive(IDEState *s, bool more);
-BlockAIOCB *ide_issue_trim(
-        int64_t offset, QEMUIOVector *qiov,
-        BlockCompletionFunc *cb, void *cb_opaque, void *opaque);
-BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num,
-                               QEMUIOVector *iov, int nb_sectors,
-                               BlockCompletionFunc *cb, void *opaque);
-void ide_cancel_dma_sync(IDEState *s);
-
-/* hw/ide/atapi.c */
-void ide_atapi_cmd(IDEState *s);
-void ide_atapi_cmd_reply_end(IDEState *s);
-
-int ide_handle_rw_error(IDEState *s, int error, int op);
-
-#endif /* HW_IDE_INTERNAL_H */
diff --git a/include/hw/misc/macio/macio.h b/include/hw/misc/macio/macio.h
index 86df2c2..2b54da6 100644
--- a/include/hw/misc/macio/macio.h
+++ b/include/hw/misc/macio/macio.h
@@ -28,7 +28,7 @@
 
 #include "hw/char/escc.h"
 #include "hw/pci/pci_device.h"
-#include "hw/ide/internal.h"
+#include "hw/ide/ide-bus.h"
 #include "hw/intc/heathrow_pic.h"
 #include "hw/misc/macio/cuda.h"
 #include "hw/misc/macio/gpio.h"
diff --git a/include/hw/nubus/nubus-virtio-mmio.h b/include/hw/nubus/nubus-virtio-mmio.h
new file mode 100644
index 0000000..de497b7
--- /dev/null
+++ b/include/hw/nubus/nubus-virtio-mmio.h
@@ -0,0 +1,36 @@
+/*
+ * QEMU Macintosh Nubus Virtio MMIO card
+ *
+ * Copyright (c) 2023 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef HW_NUBUS_VIRTIO_MMIO_H
+#define HW_NUBUS_VIRTIO_MMIO_H
+
+#include "hw/nubus/nubus.h"
+#include "qom/object.h"
+#include "hw/intc/goldfish_pic.h"
+#include "hw/virtio/virtio-mmio.h"
+
+#define TYPE_NUBUS_VIRTIO_MMIO "nubus-virtio-mmio"
+OBJECT_DECLARE_TYPE(NubusVirtioMMIO, NubusVirtioMMIODeviceClass,
+                    NUBUS_VIRTIO_MMIO)
+
+struct NubusVirtioMMIODeviceClass {
+    DeviceClass parent_class;
+
+    DeviceRealize parent_realize;
+};
+
+#define NUBUS_VIRTIO_MMIO_NUM_DEVICES 32
+
+struct NubusVirtioMMIO {
+    NubusDevice parent_obj;
+
+    GoldfishPICState pic;
+    VirtIOMMIOProxy virtio_mmio[NUBUS_VIRTIO_MMIO_NUM_DEVICES];
+};
+
+#endif
diff --git a/include/hw/nubus/nubus.h b/include/hw/nubus/nubus.h
index b3b4d2e..fee79b7 100644
--- a/include/hw/nubus/nubus.h
+++ b/include/hw/nubus/nubus.h
@@ -51,7 +51,7 @@ struct NubusBus {
     qemu_irq irqs[NUBUS_IRQS];
 };
 
-#define NUBUS_DECL_ROM_MAX_SIZE    (128 * KiB)
+#define NUBUS_DECL_ROM_MAX_SIZE    (1 * MiB)
 
 struct NubusDevice {
     DeviceState qdev;
diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h
index 14dbc22..3cb29a4 100644
--- a/include/hw/sysbus.h
+++ b/include/hw/sysbus.h
@@ -83,7 +83,6 @@ void sysbus_mmio_map(SysBusDevice *dev, int n, hwaddr addr);
 void sysbus_mmio_map_overlap(SysBusDevice *dev, int n, hwaddr addr,
                              int priority);
 void sysbus_mmio_unmap(SysBusDevice *dev, int n);
-MemoryRegion *sysbus_address_space(SysBusDevice *dev);
 
 bool sysbus_realize(SysBusDevice *dev, Error **errp);
 bool sysbus_realize_and_unref(SysBusDevice *dev, Error **errp);
diff --git a/include/hw/usb.h b/include/hw/usb.h
index cfeead2..d46d967 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -498,7 +498,6 @@ struct USBBusOps {
 void usb_bus_new(USBBus *bus, size_t bus_size,
                  USBBusOps *ops, DeviceState *host);
 void usb_bus_release(USBBus *bus);
-USBBus *usb_bus_find(int busnr);
 void usb_legacy_register(const char *typename, const char *usbdevice_name,
                          USBDevice *(*usbdevice_init)(void));
 USBDevice *usbdevice_create(const char *cmdline);
diff --git a/include/qom/object.h b/include/qom/object.h
index afccd24..e9ed955 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -1551,6 +1551,19 @@ Object *object_resolve_path_type(const char *path, const char *typename,
                                  bool *ambiguous);
 
 /**
+ * object_resolve_type_unambiguous:
+ * @typename: the type to look for
+ * @errp: pointer to error object
+ *
+ * Return the only object in the QOM tree of type @typename.
+ * If no match or more than one match is found, an error is
+ * returned.
+ *
+ * Returns: The matched object or NULL on path lookup failure.
+ */
+Object *object_resolve_type_unambiguous(const char *typename, Error **errp);
+
+/**
  * object_resolve_path_at:
  * @parent: the object in which to resolve the path
  * @path: the path to resolve