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-rw-r--r--include/block/block.h44
-rw-r--r--include/block/block_int.h70
-rw-r--r--include/block/qapi.h1
-rw-r--r--include/exec/cpu-all.h3
-rw-r--r--include/exec/memory-internal.h90
-rw-r--r--include/exec/memory.h12
-rw-r--r--include/exec/ram_addr.h147
-rw-r--r--include/fpu/softfloat.h96
-rw-r--r--include/hw/acpi/acpi.h8
-rw-r--r--include/hw/arm/allwinner-a10.h35
-rw-r--r--include/hw/arm/digic.h43
-rw-r--r--include/hw/arm/pxa.h8
-rw-r--r--include/hw/boards.h7
-rw-r--r--include/hw/char/digic-uart.h47
-rw-r--r--include/hw/cpu/icc_bus.h2
-rw-r--r--include/hw/i386/apic_internal.h2
-rw-r--r--include/hw/i386/ioapic_internal.h3
-rw-r--r--include/hw/i386/pc.h48
-rw-r--r--include/hw/i386/smbios.h2
-rw-r--r--include/hw/intc/allwinner-a10-pic.h40
-rw-r--r--include/hw/intc/arm_gic_common.h2
-rw-r--r--include/hw/pci-host/q35.h2
-rw-r--r--include/hw/pci/pci.h1
-rw-r--r--include/hw/ppc/spapr.h9
-rw-r--r--include/hw/ptimer.h4
-rw-r--r--include/hw/qdev-core.h30
-rw-r--r--include/hw/qdev-properties.h17
-rw-r--r--include/hw/timer/allwinner-a10-pit.h58
-rw-r--r--include/hw/timer/digic-timer.h46
-rw-r--r--include/hw/timer/hpet.h10
-rw-r--r--include/hw/usb.h3
-rw-r--r--include/hw/virtio/dataplane/hostmem.h58
-rw-r--r--include/hw/virtio/dataplane/vring.h10
-rw-r--r--include/hw/virtio/virtio-bus.h22
-rw-r--r--include/hw/virtio/virtio-rng.h2
-rw-r--r--include/hw/virtio/virtio-scsi.h4
-rw-r--r--include/hw/virtio/virtio.h8
-rw-r--r--include/hw/xilinx.h14
-rw-r--r--include/migration/migration.h11
-rw-r--r--include/migration/qemu-file.h4
-rw-r--r--include/migration/vmstate.h10
-rw-r--r--include/monitor/monitor.h5
-rw-r--r--include/qapi/error.h6
-rw-r--r--include/qapi/qmp/qdict.h1
-rw-r--r--include/qapi/qmp/qerror.h1
-rw-r--r--include/qapi/visitor.h3
-rw-r--r--include/qemu-io.h3
-rw-r--r--include/qemu/bitmap.h86
-rw-r--r--include/qemu/bitops.h14
-rw-r--r--include/qemu/config-file.h6
-rw-r--r--include/qemu/host-utils.h32
-rw-r--r--include/qemu/option.h1
-rw-r--r--include/qemu/osdep.h2
-rw-r--r--include/qemu/readline.h (renamed from include/monitor/readline.h)20
-rw-r--r--include/qemu/typedefs.h2
-rw-r--r--include/qom/object.h4
-rw-r--r--include/sysemu/blockdev.h2
-rw-r--r--include/sysemu/char.h10
-rw-r--r--include/sysemu/device_tree.h80
-rw-r--r--include/sysemu/qtest.h25
-rw-r--r--include/ui/qemu-spice.h2
61 files changed, 959 insertions, 379 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 36efaeac2d..963a61fa4c 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -184,7 +184,11 @@ void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top);
 int bdrv_parse_cache_flags(const char *mode, int *flags);
 int bdrv_parse_discard_flags(const char *mode, int *flags);
 int bdrv_file_open(BlockDriverState **pbs, const char *filename,
-                   QDict *options, int flags, Error **errp);
+                   const char *reference, QDict *options, int flags,
+                   Error **errp);
+int bdrv_open_image(BlockDriverState **pbs, const char *filename,
+                    QDict *options, const char *bdref_key, int flags,
+                    bool force_raw, bool allow_none, Error **errp);
 int bdrv_open_backing_file(BlockDriverState *bs, QDict *options, Error **errp);
 int bdrv_open(BlockDriverState *bs, const char *filename, QDict *options,
               int flags, BlockDriver *drv, Error **errp);
@@ -220,7 +224,6 @@ BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num
                                         int nb_sectors, BdrvRequestFlags flags,
                                         BlockDriverCompletionFunc *cb, void *opaque);
 int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags);
-int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov);
 int bdrv_pread(BlockDriverState *bs, int64_t offset,
                void *buf, int count);
 int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
@@ -249,6 +252,7 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset);
 int64_t bdrv_getlength(BlockDriverState *bs);
 int64_t bdrv_get_allocated_file_size(BlockDriverState *bs);
 void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr);
+int bdrv_refresh_limits(BlockDriverState *bs);
 int bdrv_commit(BlockDriverState *bs);
 int bdrv_commit_all(void);
 int bdrv_change_backing_file(BlockDriverState *bs,
@@ -283,16 +287,16 @@ int bdrv_amend_options(BlockDriverState *bs_new, QEMUOptionParameter *options);
 /* external snapshots */
 
 typedef enum {
-    EXT_SNAPSHOT_ALLOWED,
-    EXT_SNAPSHOT_FORBIDDEN,
-} ExtSnapshotPerm;
+    BS_IS_A_FILTER,
+    BS_FILTER_PASS_DOWN,
+    BS_AUTHORIZATION_COUNT,
+} BsAuthorization;
 
-/* return EXT_SNAPSHOT_ALLOWED if external snapshot is allowed
- * return EXT_SNAPSHOT_FORBIDDEN if external snapshot is forbidden
- */
-ExtSnapshotPerm bdrv_check_ext_snapshot(BlockDriverState *bs);
-/* helper used to forbid external snapshots like in blkverify */
-ExtSnapshotPerm bdrv_check_ext_snapshot_forbidden(BlockDriverState *bs);
+bool bdrv_generic_is_first_non_filter(BlockDriverState *bs,
+                                      BlockDriverState *candidate);
+bool bdrv_recurse_is_first_non_filter(BlockDriverState *bs,
+                                      BlockDriverState *candidate);
+bool bdrv_is_first_non_filter(BlockDriverState *candidate);
 
 /* async block I/O */
 typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector,
@@ -374,6 +378,11 @@ void bdrv_lock_medium(BlockDriverState *bs, bool locked);
 void bdrv_eject(BlockDriverState *bs, bool eject_flag);
 const char *bdrv_get_format_name(BlockDriverState *bs);
 BlockDriverState *bdrv_find(const char *name);
+BlockDriverState *bdrv_find_node(const char *node_name);
+BlockDeviceInfoList *bdrv_named_nodes_list(void);
+BlockDriverState *bdrv_lookup_bs(const char *device,
+                                 const char *node_name,
+                                 Error **errp);
 BlockDriverState *bdrv_next(BlockDriverState *bs);
 void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs),
                   void *opaque);
@@ -418,7 +427,10 @@ void bdrv_img_create(const char *filename, const char *fmt,
                      char *options, uint64_t img_size, int flags,
                      Error **errp, bool quiet);
 
-void bdrv_set_buffer_alignment(BlockDriverState *bs, int align);
+/* Returns the alignment in bytes that is required so that no bounce buffer
+ * is required throughout the stack */
+size_t bdrv_opt_mem_align(BlockDriverState *bs);
+void bdrv_set_guest_block_size(BlockDriverState *bs, int align);
 void *qemu_blockalign(BlockDriverState *bs, size_t size);
 bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov);
 
@@ -515,6 +527,14 @@ typedef enum {
     BLKDBG_FLUSH_TO_OS,
     BLKDBG_FLUSH_TO_DISK,
 
+    BLKDBG_PWRITEV_RMW_HEAD,
+    BLKDBG_PWRITEV_RMW_AFTER_HEAD,
+    BLKDBG_PWRITEV_RMW_TAIL,
+    BLKDBG_PWRITEV_RMW_AFTER_TAIL,
+    BLKDBG_PWRITEV,
+    BLKDBG_PWRITEV_ZERO,
+    BLKDBG_PWRITEV_DONE,
+
     BLKDBG_EVENT_MAX,
 } BlkDebugEvent;
 
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 8b132d7178..0bcf1c9b8c 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -57,22 +57,35 @@
 
 typedef struct BdrvTrackedRequest {
     BlockDriverState *bs;
-    int64_t sector_num;
-    int nb_sectors;
+    int64_t offset;
+    unsigned int bytes;
     bool is_write;
+
+    bool serialising;
+    int64_t overlap_offset;
+    unsigned int overlap_bytes;
+
     QLIST_ENTRY(BdrvTrackedRequest) list;
     Coroutine *co; /* owner, used for deadlock detection */
     CoQueue wait_queue; /* coroutines blocked on this request */
+
+    struct BdrvTrackedRequest *waiting_for;
 } BdrvTrackedRequest;
 
 struct BlockDriver {
     const char *format_name;
     int instance_size;
 
-    /* if not defined external snapshots are allowed
-     * future block filters will query their children to build the response
+    /* this table of boolean contains authorizations for the block operations */
+    bool authorizations[BS_AUTHORIZATION_COUNT];
+    /* for snapshots complex block filter like Quorum can implement the
+     * following recursive callback instead of BS_IS_A_FILTER.
+     * It's purpose is to recurse on the filter children while calling
+     * bdrv_recurse_is_first_non_filter on them.
+     * For a sample implementation look in the future Quorum block filter.
      */
-    ExtSnapshotPerm (*bdrv_check_ext_snapshot)(BlockDriverState *bs);
+    bool (*bdrv_recurse_is_first_non_filter)(BlockDriverState *bs,
+                                             BlockDriverState *candidate);
 
     int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename);
     int (*bdrv_probe_device)(const char *filename);
@@ -226,6 +239,8 @@ struct BlockDriver {
     int (*bdrv_debug_resume)(BlockDriverState *bs, const char *tag);
     bool (*bdrv_debug_is_suspended)(BlockDriverState *bs, const char *tag);
 
+    int (*bdrv_refresh_limits)(BlockDriverState *bs);
+
     /*
      * Returns 1 if newly created images are guaranteed to contain only
      * zeros, 0 otherwise.
@@ -250,6 +265,9 @@ typedef struct BlockLimits {
 
     /* optimal transfer length in sectors */
     int opt_transfer_length;
+
+    /* memory alignment so that no bounce buffer is needed */
+    size_t opt_mem_alignment;
 } BlockLimits;
 
 /*
@@ -291,8 +309,8 @@ struct BlockDriverState {
     /* Callback before write request is processed */
     NotifierWithReturnList before_write_notifiers;
 
-    /* number of in-flight copy-on-read requests */
-    unsigned int copy_on_read_in_flight;
+    /* number of in-flight serialising requests */
+    unsigned int serialising_in_flight;
 
     /* I/O throttling */
     ThrottleState throttle_state;
@@ -314,8 +332,11 @@ struct BlockDriverState {
     /* Whether produces zeros when read beyond eof */
     bool zero_beyond_eof;
 
-    /* the memory alignment required for the buffers handled by this driver */
-    int buffer_alignment;
+    /* Alignment requirement for offset/length of I/O requests */
+    unsigned int request_alignment;
+
+    /* the block size for which the guest device expects atomicity */
+    int guest_block_size;
 
     /* do we need to tell the quest if we have a volatile write cache? */
     int enable_write_cache;
@@ -325,11 +346,18 @@ struct BlockDriverState {
     BlockdevOnError on_read_error, on_write_error;
     bool iostatus_enabled;
     BlockDeviceIoStatus iostatus;
+
+    /* the following member gives a name to every node on the bs graph. */
+    char node_name[32];
+    /* element of the list of named nodes building the graph */
+    QTAILQ_ENTRY(BlockDriverState) node_list;
+    /* Device name is the name associated with the "drive" the guest sees */
     char device_name[32];
+    /* element of the list of "drives" the guest sees */
+    QTAILQ_ENTRY(BlockDriverState) device_list;
     QLIST_HEAD(, BdrvDirtyBitmap) dirty_bitmaps;
     int refcnt;
     int in_use; /* users other than guest access, eg. block migration */
-    QTAILQ_ENTRY(BlockDriverState) list;
 
     QLIST_HEAD(, BdrvTrackedRequest) tracked_requests;
 
@@ -394,8 +422,9 @@ void stream_start(BlockDriverState *bs, BlockDriverState *base,
 
 /**
  * commit_start:
- * @bs: Top Block device
- * @base: Block device that will be written into, and become the new top
+ * @bs: Active block device.
+ * @top: Top block device to be committed.
+ * @base: Block device that will be written into, and become the new top.
  * @speed: The maximum speed, in bytes per second, or 0 for unlimited.
  * @on_error: The action to take upon error.
  * @cb: Completion function for the job.
@@ -407,7 +436,22 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
                  BlockDriverState *top, int64_t speed,
                  BlockdevOnError on_error, BlockDriverCompletionFunc *cb,
                  void *opaque, Error **errp);
-
+/**
+ * commit_active_start:
+ * @bs: Active block device to be committed.
+ * @base: Block device that will be written into, and become the new top.
+ * @speed: The maximum speed, in bytes per second, or 0 for unlimited.
+ * @on_error: The action to take upon error.
+ * @cb: Completion function for the job.
+ * @opaque: Opaque pointer value passed to @cb.
+ * @errp: Error object.
+ *
+ */
+void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
+                         int64_t speed,
+                         BlockdevOnError on_error,
+                         BlockDriverCompletionFunc *cb,
+                         void *opaque, Error **errp);
 /*
  * mirror_start:
  * @bs: Block device to operate on.
diff --git a/include/block/qapi.h b/include/block/qapi.h
index 9518ee4001..e92c00daf6 100644
--- a/include/block/qapi.h
+++ b/include/block/qapi.h
@@ -29,6 +29,7 @@
 #include "block/block.h"
 #include "block/snapshot.h"
 
+BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs);
 int bdrv_query_snapshot_info_list(BlockDriverState *bs,
                                   SnapshotInfoList **p_list,
                                   Error **errp);
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index b6998f055a..4cb4b4a53a 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -21,6 +21,7 @@
 
 #include "qemu-common.h"
 #include "exec/cpu-common.h"
+#include "exec/memory.h"
 #include "qemu/thread.h"
 #include "qom/cpu.h"
 
@@ -459,7 +460,7 @@ typedef struct RAMBlock {
 typedef struct RAMList {
     QemuMutex mutex;
     /* Protected by the iothread lock.  */
-    uint8_t *phys_dirty;
+    unsigned long *dirty_memory[DIRTY_MEMORY_NUM];
     RAMBlock *mru_block;
     /* Protected by the ramlist lock.  */
     QTAILQ_HEAD(, RAMBlock) blocks;
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index d0e063392a..25c43c06e9 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -20,9 +20,6 @@
 #define MEMORY_INTERNAL_H
 
 #ifndef CONFIG_USER_ONLY
-#include "hw/xen/xen.h"
-
-
 typedef struct AddressSpaceDispatch AddressSpaceDispatch;
 
 void address_space_init_dispatch(AddressSpace *as);
@@ -33,92 +30,5 @@ extern const MemoryRegionOps unassigned_mem_ops;
 bool memory_region_access_valid(MemoryRegion *mr, hwaddr addr,
                                 unsigned size, bool is_write);
 
-ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
-                                   MemoryRegion *mr);
-ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);
-void *qemu_get_ram_ptr(ram_addr_t addr);
-void qemu_ram_free(ram_addr_t addr);
-void qemu_ram_free_from_ptr(ram_addr_t addr);
-
-#define VGA_DIRTY_FLAG       0x01
-#define CODE_DIRTY_FLAG      0x02
-#define MIGRATION_DIRTY_FLAG 0x08
-
-static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
-{
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
-}
-
-/* read dirty bit (return 0 or 1) */
-static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
-{
-    return cpu_physical_memory_get_dirty_flags(addr) == 0xff;
-}
-
-static inline int cpu_physical_memory_get_dirty(ram_addr_t start,
-                                                ram_addr_t length,
-                                                int dirty_flags)
-{
-    int ret = 0;
-    ram_addr_t addr, end;
-
-    end = TARGET_PAGE_ALIGN(start + length);
-    start &= TARGET_PAGE_MASK;
-    for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
-        ret |= cpu_physical_memory_get_dirty_flags(addr) & dirty_flags;
-    }
-    return ret;
-}
-
-static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
-                                                      int dirty_flags)
-{
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] |= dirty_flags;
-}
-
-static inline void cpu_physical_memory_set_dirty(ram_addr_t addr)
-{
-    cpu_physical_memory_set_dirty_flags(addr, 0xff);
-}
-
-static inline int cpu_physical_memory_clear_dirty_flags(ram_addr_t addr,
-                                                        int dirty_flags)
-{
-    int mask = ~dirty_flags;
-
-    return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] &= mask;
-}
-
-static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
-                                                       ram_addr_t length,
-                                                       int dirty_flags)
-{
-    ram_addr_t addr, end;
-
-    end = TARGET_PAGE_ALIGN(start + length);
-    start &= TARGET_PAGE_MASK;
-    for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
-        cpu_physical_memory_set_dirty_flags(addr, dirty_flags);
-    }
-    xen_modified_memory(addr, length);
-}
-
-static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
-                                                        ram_addr_t length,
-                                                        int dirty_flags)
-{
-    ram_addr_t addr, end;
-
-    end = TARGET_PAGE_ALIGN(start + length);
-    start &= TARGET_PAGE_MASK;
-    for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
-        cpu_physical_memory_clear_dirty_flags(addr, dirty_flags);
-    }
-}
-
-void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
-                                     int dirty_flags);
-
 #endif
-
 #endif
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 480dfbf9da..296d6ab2f4 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -16,6 +16,11 @@
 
 #ifndef CONFIG_USER_ONLY
 
+#define DIRTY_MEMORY_VGA       0
+#define DIRTY_MEMORY_CODE      1
+#define DIRTY_MEMORY_MIGRATION 2
+#define DIRTY_MEMORY_NUM       3        /* num of dirty bits */
+
 #include <stdint.h>
 #include <stdbool.h>
 #include "qemu-common.h"
@@ -33,13 +38,6 @@
 typedef struct MemoryRegionOps MemoryRegionOps;
 typedef struct MemoryRegionMmio MemoryRegionMmio;
 
-/* Must match *_DIRTY_FLAGS in cpu-all.h.  To be replaced with dynamic
- * registration.
- */
-#define DIRTY_MEMORY_VGA       0
-#define DIRTY_MEMORY_CODE      1
-#define DIRTY_MEMORY_MIGRATION 3
-
 struct MemoryRegionMmio {
     CPUReadMemoryFunc *read[3];
     CPUWriteMemoryFunc *write[3];
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
new file mode 100644
index 0000000000..33c8acc02e
--- /dev/null
+++ b/include/exec/ram_addr.h
@@ -0,0 +1,147 @@
+/*
+ * Declarations for cpu physical memory functions
+ *
+ * Copyright 2011 Red Hat, Inc. and/or its affiliates
+ *
+ * Authors:
+ *  Avi Kivity <avi@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later.  See the COPYING file in the top-level directory.
+ *
+ */
+
+/*
+ * This header is for use by exec.c and memory.c ONLY.  Do not include it.
+ * The functions declared here will be removed soon.
+ */
+
+#ifndef RAM_ADDR_H
+#define RAM_ADDR_H
+
+#ifndef CONFIG_USER_ONLY
+#include "hw/xen/xen.h"
+
+ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
+                                   MemoryRegion *mr);
+ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);
+void *qemu_get_ram_ptr(ram_addr_t addr);
+void qemu_ram_free(ram_addr_t addr);
+void qemu_ram_free_from_ptr(ram_addr_t addr);
+
+static inline bool cpu_physical_memory_get_dirty(ram_addr_t start,
+                                                 ram_addr_t length,
+                                                 unsigned client)
+{
+    unsigned long end, page, next;
+
+    assert(client < DIRTY_MEMORY_NUM);
+
+    end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS;
+    page = start >> TARGET_PAGE_BITS;
+    next = find_next_bit(ram_list.dirty_memory[client], end, page);
+
+    return next < end;
+}
+
+static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
+                                                      unsigned client)
+{
+    return cpu_physical_memory_get_dirty(addr, 1, client);
+}
+
+static inline bool cpu_physical_memory_is_clean(ram_addr_t addr)
+{
+    bool vga = cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_VGA);
+    bool code = cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_CODE);
+    bool migration =
+        cpu_physical_memory_get_dirty_flag(addr, DIRTY_MEMORY_MIGRATION);
+    return !(vga && code && migration);
+}
+
+static inline void cpu_physical_memory_set_dirty_flag(ram_addr_t addr,
+                                                      unsigned client)
+{
+    assert(client < DIRTY_MEMORY_NUM);
+    set_bit(addr >> TARGET_PAGE_BITS, ram_list.dirty_memory[client]);
+}
+
+static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start,
+                                                       ram_addr_t length)
+{
+    unsigned long end, page;
+
+    end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS;
+    page = start >> TARGET_PAGE_BITS;
+    bitmap_set(ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION], page, end - page);
+    bitmap_set(ram_list.dirty_memory[DIRTY_MEMORY_VGA], page, end - page);
+    bitmap_set(ram_list.dirty_memory[DIRTY_MEMORY_CODE], page, end - page);
+    xen_modified_memory(start, length);
+}
+
+static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
+                                                          ram_addr_t start,
+                                                          ram_addr_t pages)
+{
+    unsigned long i, j;
+    unsigned long page_number, c;
+    hwaddr addr;
+    ram_addr_t ram_addr;
+    unsigned long len = (pages + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
+    unsigned long hpratio = getpagesize() / TARGET_PAGE_SIZE;
+    unsigned long page = BIT_WORD(start >> TARGET_PAGE_BITS);
+
+    /* start address is aligned at the start of a word? */
+    if (((page * BITS_PER_LONG) << TARGET_PAGE_BITS) == start) {
+        long k;
+        long nr = BITS_TO_LONGS(pages);
+
+        for (k = 0; k < nr; k++) {
+            if (bitmap[k]) {
+                unsigned long temp = leul_to_cpu(bitmap[k]);
+
+                ram_list.dirty_memory[DIRTY_MEMORY_MIGRATION][page + k] |= temp;
+                ram_list.dirty_memory[DIRTY_MEMORY_VGA][page + k] |= temp;
+                ram_list.dirty_memory[DIRTY_MEMORY_CODE][page + k] |= temp;
+            }
+        }
+        xen_modified_memory(start, pages);
+    } else {
+        /*
+         * bitmap-traveling is faster than memory-traveling (for addr...)
+         * especially when most of the memory is not dirty.
+         */
+        for (i = 0; i < len; i++) {
+            if (bitmap[i] != 0) {
+                c = leul_to_cpu(bitmap[i]);
+                do {
+                    j = ffsl(c) - 1;
+                    c &= ~(1ul << j);
+                    page_number = (i * HOST_LONG_BITS + j) * hpratio;
+                    addr = page_number * TARGET_PAGE_SIZE;
+                    ram_addr = start + addr;
+                    cpu_physical_memory_set_dirty_range(ram_addr,
+                                       TARGET_PAGE_SIZE * hpratio);
+                } while (c != 0);
+            }
+        }
+    }
+}
+
+static inline void cpu_physical_memory_clear_dirty_range(ram_addr_t start,
+                                                         ram_addr_t length,
+                                                         unsigned client)
+{
+    unsigned long end, page;
+
+    assert(client < DIRTY_MEMORY_NUM);
+    end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS;
+    page = start >> TARGET_PAGE_BITS;
+    bitmap_clear(ram_list.dirty_memory[client], page, end - page);
+}
+
+void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t length,
+                                     unsigned client);
+
+#endif
+#endif
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 2365274daa..806ae13780 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -152,7 +152,8 @@ enum {
     float_round_nearest_even = 0,
     float_round_down         = 1,
     float_round_up           = 2,
-    float_round_to_zero      = 3
+    float_round_to_zero      = 3,
+    float_round_ties_away    = 4,
 };
 
 /*----------------------------------------------------------------------------
@@ -180,12 +181,22 @@ typedef struct float_status {
     flag default_nan_mode;
 } float_status;
 
-void set_float_rounding_mode(int val STATUS_PARAM);
-void set_float_exception_flags(int val STATUS_PARAM);
 INLINE void set_float_detect_tininess(int val STATUS_PARAM)
 {
     STATUS(float_detect_tininess) = val;
 }
+INLINE void set_float_rounding_mode(int val STATUS_PARAM)
+{
+    STATUS(float_rounding_mode) = val;
+}
+INLINE void set_float_exception_flags(int val STATUS_PARAM)
+{
+    STATUS(float_exception_flags) = val;
+}
+INLINE void set_floatx80_rounding_precision(int val STATUS_PARAM)
+{
+    STATUS(floatx80_rounding_precision) = val;
+}
 INLINE void set_flush_to_zero(flag val STATUS_PARAM)
 {
     STATUS(flush_to_zero) = val;
@@ -198,11 +209,34 @@ INLINE void set_default_nan_mode(flag val STATUS_PARAM)
 {
     STATUS(default_nan_mode) = val;
 }
+INLINE int get_float_detect_tininess(float_status *status)
+{
+    return STATUS(float_detect_tininess);
+}
+INLINE int get_float_rounding_mode(float_status *status)
+{
+    return STATUS(float_rounding_mode);
+}
 INLINE int get_float_exception_flags(float_status *status)
 {
     return STATUS(float_exception_flags);
 }
-void set_floatx80_rounding_precision(int val STATUS_PARAM);
+INLINE int get_floatx80_rounding_precision(float_status *status)
+{
+    return STATUS(floatx80_rounding_precision);
+}
+INLINE flag get_flush_to_zero(float_status *status)
+{
+    return STATUS(flush_to_zero);
+}
+INLINE flag get_flush_inputs_to_zero(float_status *status)
+{
+    return STATUS(flush_inputs_to_zero);
+}
+INLINE flag get_default_nan_mode(float_status *status)
+{
+    return STATUS(default_nan_mode);
+}
 
 /*----------------------------------------------------------------------------
 | Routine to raise any or all of the software IEC/IEEE floating-point
@@ -225,25 +259,48 @@ enum {
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE integer-to-floating-point conversion routines.
 *----------------------------------------------------------------------------*/
-float32 int32_to_float32( int32 STATUS_PARAM );
-float64 int32_to_float64( int32 STATUS_PARAM );
-float32 uint32_to_float32( uint32 STATUS_PARAM );
-float64 uint32_to_float64( uint32 STATUS_PARAM );
-floatx80 int32_to_floatx80( int32 STATUS_PARAM );
-float128 int32_to_float128( int32 STATUS_PARAM );
-float32 int64_to_float32( int64 STATUS_PARAM );
-float32 uint64_to_float32( uint64 STATUS_PARAM );
-float64 int64_to_float64( int64 STATUS_PARAM );
-float64 uint64_to_float64( uint64 STATUS_PARAM );
-floatx80 int64_to_floatx80( int64 STATUS_PARAM );
-float128 int64_to_float128( int64 STATUS_PARAM );
-float128 uint64_to_float128( uint64 STATUS_PARAM );
+float32 int32_to_float32(int32_t STATUS_PARAM);
+float64 int32_to_float64(int32_t STATUS_PARAM);
+float32 uint32_to_float32(uint32_t STATUS_PARAM);
+float64 uint32_to_float64(uint32_t STATUS_PARAM);
+floatx80 int32_to_floatx80(int32_t STATUS_PARAM);
+float128 int32_to_float128(int32_t STATUS_PARAM);
+float32 int64_to_float32(int64_t STATUS_PARAM);
+float32 uint64_to_float32(uint64_t STATUS_PARAM);
+float64 int64_to_float64(int64_t STATUS_PARAM);
+float64 uint64_to_float64(uint64_t STATUS_PARAM);
+floatx80 int64_to_floatx80(int64_t STATUS_PARAM);
+float128 int64_to_float128(int64_t STATUS_PARAM);
+float128 uint64_to_float128(uint64_t STATUS_PARAM);
+
+/* We provide the int16 versions for symmetry of API with float-to-int */
+INLINE float32 int16_to_float32(int16_t v STATUS_PARAM)
+{
+    return int32_to_float32(v STATUS_VAR);
+}
+
+INLINE float32 uint16_to_float32(uint16_t v STATUS_PARAM)
+{
+    return uint32_to_float32(v STATUS_VAR);
+}
+
+INLINE float64 int16_to_float64(int16_t v STATUS_PARAM)
+{
+    return int32_to_float64(v STATUS_VAR);
+}
+
+INLINE float64 uint16_to_float64(uint16_t v STATUS_PARAM)
+{
+    return uint32_to_float64(v STATUS_VAR);
+}
 
 /*----------------------------------------------------------------------------
 | Software half-precision conversion routines.
 *----------------------------------------------------------------------------*/
 float16 float32_to_float16( float32, flag STATUS_PARAM );
 float32 float16_to_float32( float16, flag STATUS_PARAM );
+float16 float64_to_float16(float64 a, flag ieee STATUS_PARAM);
+float64 float16_to_float64(float16 a, flag ieee STATUS_PARAM);
 
 /*----------------------------------------------------------------------------
 | Software half-precision operations.
@@ -265,6 +322,8 @@ extern const float16 float16_default_nan;
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE single-precision conversion routines.
 *----------------------------------------------------------------------------*/
+int_fast16_t float32_to_int16(float32 STATUS_PARAM);
+uint_fast16_t float32_to_uint16(float32 STATUS_PARAM);
 int_fast16_t float32_to_int16_round_to_zero(float32 STATUS_PARAM);
 uint_fast16_t float32_to_uint16_round_to_zero(float32 STATUS_PARAM);
 int32 float32_to_int32( float32 STATUS_PARAM );
@@ -272,6 +331,7 @@ int32 float32_to_int32_round_to_zero( float32 STATUS_PARAM );
 uint32 float32_to_uint32( float32 STATUS_PARAM );
 uint32 float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
 int64 float32_to_int64( float32 STATUS_PARAM );
+uint64 float32_to_uint64(float32 STATUS_PARAM);
 int64 float32_to_int64_round_to_zero( float32 STATUS_PARAM );
 float64 float32_to_float64( float32 STATUS_PARAM );
 floatx80 float32_to_floatx80( float32 STATUS_PARAM );
@@ -371,6 +431,8 @@ extern const float32 float32_default_nan;
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE double-precision conversion routines.
 *----------------------------------------------------------------------------*/
+int_fast16_t float64_to_int16(float64 STATUS_PARAM);
+uint_fast16_t float64_to_uint16(float64 STATUS_PARAM);
 int_fast16_t float64_to_int16_round_to_zero(float64 STATUS_PARAM);
 uint_fast16_t float64_to_uint16_round_to_zero(float64 STATUS_PARAM);
 int32 float64_to_int32( float64 STATUS_PARAM );
diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
index 6bbcb1750d..3e53297a99 100644
--- a/include/hw/acpi/acpi.h
+++ b/include/hw/acpi/acpi.h
@@ -69,6 +69,12 @@
 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */
 
+#define ACPI_BITMASK_PM1_COMMON_ENABLED         ( \
+        ACPI_BITMASK_RT_CLOCK_ENABLE        | \
+        ACPI_BITMASK_POWER_BUTTON_ENABLE    | \
+        ACPI_BITMASK_GLOBAL_LOCK_ENABLE     | \
+        ACPI_BITMASK_TIMER_ENABLE)
+
 /* PM1x_CNT */
 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
@@ -160,6 +166,8 @@ void acpi_gpe_reset(ACPIREGS *ar);
 void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
 uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
 
+void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
+
 /* acpi.c */
 extern int acpi_enabled;
 extern char unsigned *acpi_tables;
diff --git a/include/hw/arm/allwinner-a10.h b/include/hw/arm/allwinner-a10.h
new file mode 100644
index 0000000000..da36647f32
--- /dev/null
+++ b/include/hw/arm/allwinner-a10.h
@@ -0,0 +1,35 @@
+#ifndef ALLWINNER_H_
+
+#include "qemu-common.h"
+#include "qemu/error-report.h"
+#include "hw/char/serial.h"
+#include "hw/arm/arm.h"
+#include "hw/timer/allwinner-a10-pit.h"
+#include "hw/intc/allwinner-a10-pic.h"
+
+#include "sysemu/sysemu.h"
+#include "exec/address-spaces.h"
+
+
+#define AW_A10_PIC_REG_BASE     0x01c20400
+#define AW_A10_PIT_REG_BASE     0x01c20c00
+#define AW_A10_UART0_REG_BASE   0x01c28000
+
+#define AW_A10_SDRAM_BASE       0x40000000
+
+#define TYPE_AW_A10 "allwinner-a10"
+#define AW_A10(obj) OBJECT_CHECK(AwA10State, (obj), TYPE_AW_A10)
+
+typedef struct AwA10State {
+    /*< private >*/
+    DeviceState parent_obj;
+    /*< public >*/
+
+    ARMCPU cpu;
+    qemu_irq irq[AW_A10_PIC_INT_NR];
+    AwA10PITState timer;
+    AwA10PICState intc;
+} AwA10State;
+
+#define ALLWINNER_H_
+#endif
diff --git a/include/hw/arm/digic.h b/include/hw/arm/digic.h
new file mode 100644
index 0000000000..a739d6ae65
--- /dev/null
+++ b/include/hw/arm/digic.h
@@ -0,0 +1,43 @@
+/*
+ * Misc Canon DIGIC declarations.
+ *
+ * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef HW_ARM_DIGIC_H
+#define HW_ARM_DIGIC_H
+
+#include "cpu.h"
+
+#include "hw/timer/digic-timer.h"
+#include "hw/char/digic-uart.h"
+
+#define TYPE_DIGIC "digic"
+
+#define DIGIC(obj) OBJECT_CHECK(DigicState, (obj), TYPE_DIGIC)
+
+#define DIGIC4_NB_TIMERS 3
+
+typedef struct DigicState {
+    /*< private >*/
+    DeviceState parent_obj;
+    /*< public >*/
+
+    ARMCPU cpu;
+
+    DigicTimerState timer[DIGIC4_NB_TIMERS];
+    DigicUartState uart;
+} DigicState;
+
+#endif /* HW_ARM_DIGIC_H */
diff --git a/include/hw/arm/pxa.h b/include/hw/arm/pxa.h
index a4e1a66264..7ca330a61f 100644
--- a/include/hw/arm/pxa.h
+++ b/include/hw/arm/pxa.h
@@ -102,15 +102,15 @@ void pxa2xx_pcmcia_set_irq_cb(void *opaque, qemu_irq irq, qemu_irq cd_irq);
 
 /* pxa2xx_keypad.c */
 struct  keymap {
-    int column;
-    int row;
+    int8_t column;
+    int8_t row;
 };
 typedef struct PXA2xxKeyPadState PXA2xxKeyPadState;
 PXA2xxKeyPadState *pxa27x_keypad_init(MemoryRegion *sysmem,
                                       hwaddr base,
                                       qemu_irq irq);
-void pxa27x_register_keypad(PXA2xxKeyPadState *kp, struct keymap *map,
-                int size);
+void pxa27x_register_keypad(PXA2xxKeyPadState *kp,
+                            const struct keymap *map, int size);
 
 /* pxa2xx.c */
 typedef struct PXA2xxI2CState PXA2xxI2CState;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 5a7ae9f59b..2151460f9e 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -6,7 +6,10 @@
 #include "sysemu/blockdev.h"
 #include "hw/qdev.h"
 
+typedef struct QEMUMachine QEMUMachine;
+
 typedef struct QEMUMachineInitArgs {
+    const QEMUMachine *machine;
     ram_addr_t ram_size;
     const char *boot_order;
     const char *kernel_filename;
@@ -21,7 +24,7 @@ typedef void QEMUMachineResetFunc(void);
 
 typedef void QEMUMachineHotAddCPUFunc(const int64_t id, Error **errp);
 
-typedef struct QEMUMachine {
+struct QEMUMachine {
     const char *name;
     const char *alias;
     const char *desc;
@@ -43,7 +46,7 @@ typedef struct QEMUMachine {
     GlobalProperty *compat_props;
     struct QEMUMachine *next;
     const char *hw_version;
-} QEMUMachine;
+};
 
 int qemu_register_machine(QEMUMachine *m);
 QEMUMachine *find_default_machine(void);
diff --git a/include/hw/char/digic-uart.h b/include/hw/char/digic-uart.h
new file mode 100644
index 0000000000..ef83a3059c
--- /dev/null
+++ b/include/hw/char/digic-uart.h
@@ -0,0 +1,47 @@
+/*
+ * Canon DIGIC UART block declarations.
+ *
+ * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef HW_CHAR_DIGIC_UART_H
+#define HW_CHAR_DIGIC_UART_H
+
+#include "hw/sysbus.h"
+#include "qemu/typedefs.h"
+
+#define TYPE_DIGIC_UART "digic-uart"
+#define DIGIC_UART(obj) \
+    OBJECT_CHECK(DigicUartState, (obj), TYPE_DIGIC_UART)
+
+enum {
+    R_TX = 0x00,
+    R_RX,
+    R_ST = (0x14 >> 2),
+    R_MAX
+};
+
+typedef struct DigicUartState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    MemoryRegion regs_region;
+    CharDriverState *chr;
+
+    uint32_t reg_rx;
+    uint32_t reg_st;
+} DigicUartState;
+
+#endif /* HW_CHAR_DIGIC_UART_H */
diff --git a/include/hw/cpu/icc_bus.h b/include/hw/cpu/icc_bus.h
index b5500708dc..98a979fa1c 100644
--- a/include/hw/cpu/icc_bus.h
+++ b/include/hw/cpu/icc_bus.h
@@ -66,7 +66,7 @@ typedef struct ICCDeviceClass {
     DeviceClass parent_class;
     /*< public >*/
 
-    int (*init)(ICCDevice *dev); /* TODO replace with QOM realize */
+    DeviceRealize realize;
 } ICCDeviceClass;
 
 #define TYPE_ICC_DEVICE "icc-device"
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 1b0a7fbfad..70542a6f43 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -80,7 +80,7 @@ typedef struct APICCommonClass
 {
     ICCDeviceClass parent_class;
 
-    void (*init)(APICCommonState *s);
+    DeviceRealize realize;
     void (*set_base)(APICCommonState *s, uint64_t val);
     void (*set_tpr)(APICCommonState *s, uint8_t val);
     uint8_t (*get_tpr)(APICCommonState *s);
diff --git a/include/hw/i386/ioapic_internal.h b/include/hw/i386/ioapic_internal.h
index 25576c819e..3be3352185 100644
--- a/include/hw/i386/ioapic_internal.h
+++ b/include/hw/i386/ioapic_internal.h
@@ -83,7 +83,8 @@ typedef struct IOAPICCommonState IOAPICCommonState;
 
 typedef struct IOAPICCommonClass {
     SysBusDeviceClass parent_class;
-    void (*init)(IOAPICCommonState *s, int instance_no);
+
+    DeviceRealize realize;
     void (*pre_save)(IOAPICCommonState *s);
     void (*post_load)(IOAPICCommonState *s);
 } IOAPICCommonClass;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 09652fb22c..7fe2bd17f6 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -13,6 +13,8 @@
 #include "sysemu/sysemu.h"
 #include "hw/pci/pci.h"
 
+#define HPET_INTCAP "hpet-intcap"
+
 /* PC-style peripherals (also used by other machines).  */
 
 typedef struct PcPciInfo {
@@ -128,17 +130,9 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size,
 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
 
-static inline uint64_t pci_host_get_hole64_size(uint64_t pci_hole64_size)
-{
-    if (pci_hole64_size == DEFAULT_PCI_HOLE64_SIZE) {
-        return 1ULL << 62;
-    } else {
-        return pci_hole64_size;
-    }
-}
 
-void pc_init_pci64_hole(PcPciInfo *pci_info, uint64_t pci_hole64_start,
-                        uint64_t pci_hole64_size);
+void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
+                            MemoryRegion *pci_address_space);
 
 FWCfgState *pc_memory_init(MemoryRegion *system_memory,
                            const char *kernel_filename,
@@ -154,7 +148,8 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice **rtc_state,
                           ISADevice **floppy,
-                          bool no_vmport);
+                          bool no_vmport,
+                          uint32 hpet_irqs);
 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
                   const char *boot_device,
@@ -187,8 +182,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
                     MemoryRegion *address_space_mem,
                     MemoryRegion *address_space_io,
                     ram_addr_t ram_size,
-                    hwaddr pci_hole_start,
-                    hwaddr pci_hole_size,
+                    ram_addr_t below_4g_mem_size,
                     ram_addr_t above_4g_mem_size,
                     MemoryRegion *pci_memory,
                     MemoryRegion *ram_memory);
@@ -246,7 +240,35 @@ uint16_t pvpanic_port(void);
 
 int e820_add_entry(uint64_t, uint64_t, uint32_t);
 
+#define PC_Q35_COMPAT_1_7 \
+        PC_COMPAT_1_7, \
+        {\
+            .driver   = "hpet",\
+            .property = HPET_INTCAP,\
+            .value    = stringify(4),\
+        }
+
+#define PC_Q35_COMPAT_1_6 \
+        PC_COMPAT_1_6, \
+        PC_Q35_COMPAT_1_7
+
+#define PC_Q35_COMPAT_1_5 \
+        PC_COMPAT_1_5, \
+        PC_Q35_COMPAT_1_6
+
+#define PC_Q35_COMPAT_1_4 \
+        PC_COMPAT_1_4, \
+        PC_Q35_COMPAT_1_5
+
+#define PC_COMPAT_1_7 \
+        {\
+            .driver   = TYPE_USB_DEVICE,\
+            .property = "msos-desc",\
+            .value    = "no",\
+        }
+
 #define PC_COMPAT_1_6 \
+        PC_COMPAT_1_7, \
         {\
             .driver   = "e1000",\
             .property = "mitigation",\
diff --git a/include/hw/i386/smbios.h b/include/hw/i386/smbios.h
index b08ec713f2..18fb970643 100644
--- a/include/hw/i386/smbios.h
+++ b/include/hw/i386/smbios.h
@@ -16,6 +16,8 @@
 #include "qemu/option.h"
 
 void smbios_entry_add(QemuOpts *opts);
+void smbios_set_type1_defaults(const char *manufacturer,
+                               const char *product, const char *version);
 uint8_t *smbios_get_table(size_t *length);
 
 /*
diff --git a/include/hw/intc/allwinner-a10-pic.h b/include/hw/intc/allwinner-a10-pic.h
new file mode 100644
index 0000000000..5721b2e6b6
--- /dev/null
+++ b/include/hw/intc/allwinner-a10-pic.h
@@ -0,0 +1,40 @@
+#ifndef AW_A10_PIC_H
+#define AW_A10_PIC_H
+
+#define TYPE_AW_A10_PIC  "allwinner-a10-pic"
+#define AW_A10_PIC(obj) OBJECT_CHECK(AwA10PICState, (obj), TYPE_AW_A10_PIC)
+
+#define AW_A10_PIC_VECTOR       0
+#define AW_A10_PIC_BASE_ADDR    4
+#define AW_A10_PIC_PROTECT      8
+#define AW_A10_PIC_NMI          0xc
+#define AW_A10_PIC_IRQ_PENDING  0x10
+#define AW_A10_PIC_FIQ_PENDING  0x20
+#define AW_A10_PIC_SELECT       0x30
+#define AW_A10_PIC_ENABLE       0x40
+#define AW_A10_PIC_MASK         0x50
+
+#define AW_A10_PIC_INT_NR       95
+#define AW_A10_PIC_REG_NUM      DIV_ROUND_UP(AW_A10_PIC_INT_NR, 32)
+
+typedef struct AwA10PICState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+    MemoryRegion iomem;
+    qemu_irq parent_fiq;
+    qemu_irq parent_irq;
+
+    uint32_t vector;
+    uint32_t base_addr;
+    uint32_t protect;
+    uint32_t nmi;
+    uint32_t irq_pending[AW_A10_PIC_REG_NUM];
+    uint32_t fiq_pending[AW_A10_PIC_REG_NUM];
+    uint32_t select[AW_A10_PIC_REG_NUM];
+    uint32_t enable[AW_A10_PIC_REG_NUM];
+    uint32_t mask[AW_A10_PIC_REG_NUM];
+    /*priority setting here*/
+} AwA10PICState;
+
+#endif
diff --git a/include/hw/intc/arm_gic_common.h b/include/hw/intc/arm_gic_common.h
index 4f381bdce7..0d232dfb67 100644
--- a/include/hw/intc/arm_gic_common.h
+++ b/include/hw/intc/arm_gic_common.h
@@ -37,7 +37,7 @@ typedef struct gic_irq_state {
     uint8_t active;
     uint8_t level;
     bool model; /* 0 = N:N, 1 = 1:N */
-    bool trigger; /* nonzero = edge triggered.  */
+    bool edge_trigger; /* true: edge-triggered, false: level-triggered  */
 } gic_irq_state;
 
 typedef struct GICState {
diff --git a/include/hw/pci-host/q35.h b/include/hw/pci-host/q35.h
index 309065fa41..d0355b712b 100644
--- a/include/hw/pci-host/q35.h
+++ b/include/hw/pci-host/q35.h
@@ -53,8 +53,6 @@ typedef struct MCHPCIState {
     MemoryRegion *address_space_io;
     PAMMemoryRegion pam_regions[13];
     MemoryRegion smram_region;
-    MemoryRegion pci_hole;
-    MemoryRegion pci_hole_64bit;
     PcPciInfo pci_info;
     uint8_t smm_enabled;
     ram_addr_t below_4g_mem_size;
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index b783e68d08..754b82de81 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -373,7 +373,6 @@ void pci_bus_fire_intx_routing_notifier(PCIBus *bus);
 void pci_device_set_intx_routing_notifier(PCIDevice *dev,
                                           PCIINTxRoutingNotifier notifier);
 void pci_device_reset(PCIDevice *dev);
-void pci_bus_reset(PCIBus *bus);
 
 PCIDevice *pci_nic_init(NICInfo *nd, PCIBus *rootbus,
                         const char *default_model,
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index fdaab2de52..b2f11e9a2c 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -332,6 +332,15 @@ static inline int spapr_allocate_lsi(int hint)
     return spapr_allocate_irq(hint, true);
 }
 
+/* RTAS return codes */
+#define RTAS_OUT_SUCCESS            0
+#define RTAS_OUT_NO_ERRORS_FOUND    1
+#define RTAS_OUT_HW_ERROR           -1
+#define RTAS_OUT_BUSY               -2
+#define RTAS_OUT_PARAM_ERROR        -3
+#define RTAS_OUT_NOT_SUPPORTED      -3
+#define RTAS_OUT_NOT_AUTHORIZED     -9002
+
 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
 {
     return addr & ~0xF000000000000000ULL;
diff --git a/include/hw/ptimer.h b/include/hw/ptimer.h
index 28fcaf17f8..a33edf4b0c 100644
--- a/include/hw/ptimer.h
+++ b/include/hw/ptimer.h
@@ -36,4 +36,8 @@ extern const VMStateDescription vmstate_ptimer;
     .offset     = vmstate_offset_pointer(_state, _field, ptimer_state), \
 }
 
+#define VMSTATE_PTIMER_ARRAY(_f, _s, _n)                                \
+    VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, 0,                   \
+                                       vmstate_ptimer, ptimer_state)
+
 #endif
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index f2043a69c2..2c4f140b9c 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -97,7 +97,18 @@ typedef struct DeviceClass {
     const char *fw_name;
     const char *desc;
     Property *props;
-    int no_user;
+
+    /*
+     * Shall we hide this device model from -device / device_add?
+     * All devices should support instantiation with device_add, and
+     * this flag should not exist.  But we're not there, yet.  Some
+     * devices fail to instantiate with cryptic error messages.
+     * Others instantiate, but don't work.  Exposing users to such
+     * behavior would be cruel; this flag serves to protect them.  It
+     * should never be set without a comment explaining why it is set.
+     * TODO remove once we're there
+     */
+    bool cannot_instantiate_with_device_add_yet;
 
     /* callbacks */
     void (*reset)(DeviceState *dev);
@@ -158,7 +169,7 @@ struct BusClass {
      * bindings can be found at http://playground.sun.com/1275/bindings/.
      */
     char *(*get_fw_dev_path)(DeviceState *dev);
-    int (*reset)(BusState *bus);
+    void (*reset)(BusState *bus);
     /* maximum devices allowed on the bus, 0: no limit. */
     int max_dev;
 };
@@ -253,10 +264,15 @@ BusState *qbus_create(const char *typename, DeviceState *parent, const char *nam
 /* Returns > 0 if either devfn or busfn skip walk somewhere in cursion,
  *         < 0 if either devfn or busfn terminate walk somewhere in cursion,
  *           0 otherwise. */
-int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
-                       qbus_walkerfn *busfn, void *opaque);
-int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
-                       qbus_walkerfn *busfn, void *opaque);
+int qbus_walk_children(BusState *bus,
+                       qdev_walkerfn *pre_devfn, qbus_walkerfn *pre_busfn,
+                       qdev_walkerfn *post_devfn, qbus_walkerfn *post_busfn,
+                       void *opaque);
+int qdev_walk_children(DeviceState *dev,
+                       qdev_walkerfn *pre_devfn, qbus_walkerfn *pre_busfn,
+                       qdev_walkerfn *post_devfn, qbus_walkerfn *post_busfn,
+                       void *opaque);
+
 void qdev_reset_all(DeviceState *dev);
 
 /**
@@ -272,8 +288,6 @@ void qdev_reset_all(DeviceState *dev);
 void qbus_reset_all(BusState *bus);
 void qbus_reset_all_fn(void *opaque);
 
-void qbus_free(BusState *bus);
-
 /* This should go away once we get rid of the NULL bus hack */
 BusState *sysbus_get_default(void);
 
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 692f82e935..77c6f7c037 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -122,8 +122,25 @@ extern PropertyInfo qdev_prop_arraylen;
 #define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d)                   \
     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, int32_t)
 
+/*
+ * Please avoid pointer properties.  If you must use them, you must
+ * cover them in their device's class init function as follows:
+ *
+ * - If the property must be set, the device cannot be used with
+ *   device_add, so add code like this:
+ *   |* Reason: pointer property "NAME-OF-YOUR-PROP" *|
+ *   DeviceClass *dc = DEVICE_CLASS(class);
+ *   dc->cannot_instantiate_with_device_add_yet = true;
+ *
+ * - If the property may safely remain null, document it like this:
+ *   |*
+ *    * Note: pointer property "interrupt_vector" may remain null, thus
+ *    * no need for dc->cannot_instantiate_with_device_add_yet = true;
+ *    *|
+ */
 #define DEFINE_PROP_PTR(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
+
 #define DEFINE_PROP_CHR(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*)
 #define DEFINE_PROP_STRING(_n, _s, _f)             \
diff --git a/include/hw/timer/allwinner-a10-pit.h b/include/hw/timer/allwinner-a10-pit.h
new file mode 100644
index 0000000000..15efab8b5f
--- /dev/null
+++ b/include/hw/timer/allwinner-a10-pit.h
@@ -0,0 +1,58 @@
+#ifndef AW_A10_PIT_H
+#define AW_A10_PIT_H
+
+#include "hw/ptimer.h"
+
+#define TYPE_AW_A10_PIT "allwinner-A10-timer"
+#define AW_A10_PIT(obj) OBJECT_CHECK(AwA10PITState, (obj), TYPE_AW_A10_PIT)
+
+#define AW_A10_PIT_TIMER_NR    6
+#define AW_A10_PIT_TIMER_IRQ   0x1
+#define AW_A10_PIT_WDOG_IRQ    0x100
+
+#define AW_A10_PIT_TIMER_IRQ_EN    0
+#define AW_A10_PIT_TIMER_IRQ_ST    0x4
+
+#define AW_A10_PIT_TIMER_CONTROL   0x0
+#define AW_A10_PIT_TIMER_EN        0x1
+#define AW_A10_PIT_TIMER_RELOAD    0x2
+#define AW_A10_PIT_TIMER_MODE      0x80
+
+#define AW_A10_PIT_TIMER_INTERVAL  0x4
+#define AW_A10_PIT_TIMER_COUNT     0x8
+#define AW_A10_PIT_WDOG_CONTROL    0x90
+#define AW_A10_PIT_WDOG_MODE       0x94
+
+#define AW_A10_PIT_COUNT_CTL       0xa0
+#define AW_A10_PIT_COUNT_RL_EN     0x2
+#define AW_A10_PIT_COUNT_CLR_EN    0x1
+#define AW_A10_PIT_COUNT_LO        0xa4
+#define AW_A10_PIT_COUNT_HI        0xa8
+
+#define AW_A10_PIT_TIMER_BASE      0x10
+#define AW_A10_PIT_TIMER_BASE_END  \
+    (AW_A10_PIT_TIMER_BASE * 6 + AW_A10_PIT_TIMER_COUNT)
+
+#define AW_A10_PIT_DEFAULT_CLOCK   0x4
+
+typedef struct AwA10PITState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+    qemu_irq irq[AW_A10_PIT_TIMER_NR];
+    ptimer_state * timer[AW_A10_PIT_TIMER_NR];
+    MemoryRegion iomem;
+
+    uint32_t irq_enable;
+    uint32_t irq_status;
+    uint32_t control[AW_A10_PIT_TIMER_NR];
+    uint32_t interval[AW_A10_PIT_TIMER_NR];
+    uint32_t count[AW_A10_PIT_TIMER_NR];
+    uint32_t watch_dog_mode;
+    uint32_t watch_dog_control;
+    uint32_t count_lo;
+    uint32_t count_hi;
+    uint32_t count_ctl;
+} AwA10PITState;
+
+#endif
diff --git a/include/hw/timer/digic-timer.h b/include/hw/timer/digic-timer.h
new file mode 100644
index 0000000000..ae913482c6
--- /dev/null
+++ b/include/hw/timer/digic-timer.h
@@ -0,0 +1,46 @@
+/*
+ * Canon DIGIC timer block declarations.
+ *
+ * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef HW_TIMER_DIGIC_TIMER_H
+#define HW_TIMER_DIGIC_TIMER_H
+
+#include "hw/sysbus.h"
+#include "qemu/typedefs.h"
+#include "hw/ptimer.h"
+
+#define TYPE_DIGIC_TIMER "digic-timer"
+#define DIGIC_TIMER(obj) OBJECT_CHECK(DigicTimerState, (obj), TYPE_DIGIC_TIMER)
+
+#define DIGIC_TIMER_CONTROL 0x00
+#define DIGIC_TIMER_CONTROL_RST 0x80000000
+#define DIGIC_TIMER_CONTROL_EN 0x00000001
+#define DIGIC_TIMER_RELVALUE 0x08
+#define DIGIC_TIMER_VALUE 0x0c
+
+typedef struct DigicTimerState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    MemoryRegion iomem;
+    ptimer_state *ptimer;
+
+    uint32_t control;
+    uint32_t relvalue;
+} DigicTimerState;
+
+#endif /* HW_TIMER_DIGIC_TIMER_H */
diff --git a/include/hw/timer/hpet.h b/include/hw/timer/hpet.h
index ab44bd31fd..773953be75 100644
--- a/include/hw/timer/hpet.h
+++ b/include/hw/timer/hpet.h
@@ -13,6 +13,8 @@
 #ifndef QEMU_HPET_EMUL_H
 #define QEMU_HPET_EMUL_H
 
+#include "qom/object.h"
+
 #define HPET_BASE               0xfed00000
 #define HPET_CLK_PERIOD         10000000ULL /* 10000000 femtoseconds == 10ns*/
 
@@ -72,5 +74,11 @@ struct hpet_fw_config
 
 extern struct hpet_fw_config hpet_cfg;
 
-bool hpet_find(void);
+#define TYPE_HPET "hpet"
+
+static inline bool hpet_find(void)
+{
+    return object_resolve_path_type("", TYPE_HPET, NULL);
+}
+
 #endif
diff --git a/include/hw/usb.h b/include/hw/usb.h
index 2a3ea0c92e..3ef7af7413 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -182,6 +182,7 @@ typedef struct USBDescIface USBDescIface;
 typedef struct USBDescEndpoint USBDescEndpoint;
 typedef struct USBDescOther USBDescOther;
 typedef struct USBDescString USBDescString;
+typedef struct USBDescMSOS USBDescMSOS;
 
 struct USBDescString {
     uint8_t index;
@@ -208,6 +209,8 @@ struct USBEndpoint {
 enum USBDeviceFlags {
     USB_DEV_FLAG_FULL_PATH,
     USB_DEV_FLAG_IS_HOST,
+    USB_DEV_FLAG_MSOS_DESC_ENABLE,
+    USB_DEV_FLAG_MSOS_DESC_IN_USE,
 };
 
 /* definition of a USB device */
diff --git a/include/hw/virtio/dataplane/hostmem.h b/include/hw/virtio/dataplane/hostmem.h
deleted file mode 100644
index 2810f4b44e..0000000000
--- a/include/hw/virtio/dataplane/hostmem.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Thread-safe guest to host memory mapping
- *
- * Copyright 2012 Red Hat, Inc. and/or its affiliates
- *
- * Authors:
- *   Stefan Hajnoczi <stefanha@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#ifndef HOSTMEM_H
-#define HOSTMEM_H
-
-#include "exec/memory.h"
-#include "qemu/thread.h"
-
-typedef struct {
-    MemoryRegion *mr;
-    void *host_addr;
-    hwaddr guest_addr;
-    uint64_t size;
-    bool readonly;
-} HostMemRegion;
-
-typedef struct {
-    /* The listener is invoked when regions change and a new list of regions is
-     * built up completely before they are installed.
-     */
-    MemoryListener listener;
-    HostMemRegion *new_regions;
-    size_t num_new_regions;
-
-    /* Current regions are accessed from multiple threads either to lookup
-     * addresses or to install a new list of regions.  The lock protects the
-     * pointer and the regions.
-     */
-    QemuMutex current_regions_lock;
-    HostMemRegion *current_regions;
-    size_t num_current_regions;
-} HostMem;
-
-void hostmem_init(HostMem *hostmem);
-void hostmem_finalize(HostMem *hostmem);
-
-/**
- * Map a guest physical address to a pointer
- *
- * Note that there is map/unmap mechanism here.  The caller must ensure that
- * mapped memory is no longer used across events like hot memory unplug.  This
- * can be done with other mechanisms like bdrv_drain_all() that quiesce
- * in-flight I/O.
- */
-void *hostmem_lookup(HostMem *hostmem, hwaddr phys, hwaddr len, bool is_write);
-
-#endif /* HOSTMEM_H */
diff --git a/include/hw/virtio/dataplane/vring.h b/include/hw/virtio/dataplane/vring.h
index c0b69ff18f..63e7bf4256 100644
--- a/include/hw/virtio/dataplane/vring.h
+++ b/include/hw/virtio/dataplane/vring.h
@@ -19,11 +19,10 @@
 
 #include <linux/virtio_ring.h>
 #include "qemu-common.h"
-#include "hostmem.h"
 #include "hw/virtio/virtio.h"
 
 typedef struct {
-    HostMem hostmem;                /* guest memory mapper */
+    MemoryRegion *mr;               /* memory region containing the vring */
     struct vring vr;                /* virtqueue vring mapped to host memory */
     uint16_t last_avail_idx;        /* last processed avail ring index */
     uint16_t last_used_idx;         /* last processed used ring index */
@@ -54,9 +53,8 @@ void vring_teardown(Vring *vring, VirtIODevice *vdev, int n);
 void vring_disable_notification(VirtIODevice *vdev, Vring *vring);
 bool vring_enable_notification(VirtIODevice *vdev, Vring *vring);
 bool vring_should_notify(VirtIODevice *vdev, Vring *vring);
-int vring_pop(VirtIODevice *vdev, Vring *vring,
-              struct iovec iov[], struct iovec *iov_end,
-              unsigned int *out_num, unsigned int *in_num);
-void vring_push(Vring *vring, unsigned int head, int len);
+int vring_pop(VirtIODevice *vdev, Vring *vring, VirtQueueElement **elem);
+void vring_push(Vring *vring, VirtQueueElement *elem, int len);
+void vring_free_element(VirtQueueElement *elem);
 
 #endif /* VRING_H */
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h
index 9217f85abc..0756545d4d 100644
--- a/include/hw/virtio/virtio-bus.h
+++ b/include/hw/virtio/virtio-bus.h
@@ -61,7 +61,7 @@ typedef struct VirtioBusClass {
      * transport independent exit function.
      * This is called by virtio-bus just before the device is unplugged.
      */
-    void (*device_unplug)(DeviceState *d);
+    void (*device_unplugged)(DeviceState *d);
     /*
      * Does the transport have variable vring alignment?
      * (ie can it ever call virtio_queue_set_align()?)
@@ -72,15 +72,11 @@ typedef struct VirtioBusClass {
 
 struct VirtioBusState {
     BusState parent_obj;
-    /*
-     * Only one VirtIODevice can be plugged on the bus.
-     */
-    VirtIODevice *vdev;
 };
 
-int virtio_bus_plug_device(VirtIODevice *vdev);
+int virtio_bus_device_plugged(VirtIODevice *vdev);
 void virtio_bus_reset(VirtioBusState *bus);
-void virtio_bus_destroy_device(VirtioBusState *bus);
+void virtio_bus_device_unplugged(VirtIODevice *bus);
 /* Get the device id of the plugged device. */
 uint16_t virtio_bus_get_vdev_id(VirtioBusState *bus);
 /* Get the config_len field of the plugged device. */
@@ -98,4 +94,16 @@ void virtio_bus_get_vdev_config(VirtioBusState *bus, uint8_t *config);
 /* Set config of the plugged device. */
 void virtio_bus_set_vdev_config(VirtioBusState *bus, uint8_t *config);
 
+static inline VirtIODevice *virtio_bus_get_device(VirtioBusState *bus)
+{
+    BusState *qbus = &bus->parent_obj;
+    BusChild *kid = QTAILQ_FIRST(&qbus->children);
+    DeviceState *qdev = kid ? kid->child : NULL;
+
+    /* This is used on the data path, the cast is guaranteed
+     * to succeed by the qdev machinery.
+     */
+    return (VirtIODevice *)qdev;
+}
+
 #endif /* VIRTIO_BUS_H */
diff --git a/include/hw/virtio/virtio-rng.h b/include/hw/virtio/virtio-rng.h
index debaa15d5a..14e85a5a3a 100644
--- a/include/hw/virtio/virtio-rng.h
+++ b/include/hw/virtio/virtio-rng.h
@@ -18,6 +18,8 @@
 #define TYPE_VIRTIO_RNG "virtio-rng-device"
 #define VIRTIO_RNG(obj) \
         OBJECT_CHECK(VirtIORNG, (obj), TYPE_VIRTIO_RNG)
+#define VIRTIO_RNG_GET_PARENT_CLASS(obj) \
+        OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_RNG)
 
 /* The Virtio ID for the virtio rng device */
 #define VIRTIO_ID_RNG    4
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h
index 9a985403c2..42b102487a 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -186,7 +186,7 @@ typedef struct {
     DEFINE_PROP_BIT("param_change", _state, _feature_field,                    \
                                             VIRTIO_SCSI_F_CHANGE, true)
 
-int virtio_scsi_common_init(VirtIOSCSICommon *vs);
-int virtio_scsi_common_exit(VirtIOSCSICommon *vs);
+void virtio_scsi_common_realize(DeviceState *dev, Error **errp);
+void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp);
 
 #endif /* _QEMU_VIRTIO_SCSI_H */
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index a90522d6d6..3e54e90aad 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -124,9 +124,13 @@ struct VirtIODevice
 };
 
 typedef struct VirtioDeviceClass {
-    /* This is what a VirtioDevice must implement */
+    /*< private >*/
     DeviceClass parent;
-    int (*init)(VirtIODevice *vdev);
+    /*< public >*/
+
+    /* This is what a VirtioDevice must implement */
+    DeviceRealize realize;
+    DeviceUnrealize unrealize;
     uint32_t (*get_features)(VirtIODevice *vdev, uint32_t requested_features);
     uint32_t (*bad_features)(VirtIODevice *vdev);
     void (*set_features)(VirtIODevice *vdev, uint32_t val);
diff --git a/include/hw/xilinx.h b/include/hw/xilinx.h
index 0c0251a2e9..9d6debe4d0 100644
--- a/include/hw/xilinx.h
+++ b/include/hw/xilinx.h
@@ -59,16 +59,13 @@ xilinx_axiethernet_init(DeviceState *dev, NICInfo *nd, StreamSlave *ds,
                         StreamSlave *cs, hwaddr base, qemu_irq irq, int txmem,
                         int rxmem)
 {
-    Error *errp = NULL;
-
     qdev_set_nic_properties(dev, nd);
     qdev_prop_set_uint32(dev, "rxmem", rxmem);
     qdev_prop_set_uint32(dev, "txmem", txmem);
     object_property_set_link(OBJECT(dev), OBJECT(ds),
-                             "axistream-connected", &errp);
+                             "axistream-connected", &error_abort);
     object_property_set_link(OBJECT(dev), OBJECT(cs),
-                             "axistream-control-connected", &errp);
-    assert_no_error(errp);
+                             "axistream-control-connected", &error_abort);
     qdev_init_nofail(dev);
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq);
@@ -78,14 +75,11 @@ static inline void
 xilinx_axidma_init(DeviceState *dev, StreamSlave *ds, StreamSlave *cs,
                    hwaddr base, qemu_irq irq, qemu_irq irq2, int freqhz)
 {
-    Error *errp = NULL;
-
     qdev_prop_set_uint32(dev, "freqhz", freqhz);
     object_property_set_link(OBJECT(dev), OBJECT(ds),
-                             "axistream-connected", &errp);
+                             "axistream-connected", &error_abort);
     object_property_set_link(OBJECT(dev), OBJECT(cs),
-                             "axistream-control-connected", &errp);
-    assert_no_error(errp);
+                             "axistream-control-connected", &error_abort);
     qdev_init_nofail(dev);
 
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 140e6b471c..bfa3951a61 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -23,6 +23,17 @@
 #include "qapi-types.h"
 #include "exec/cpu-common.h"
 
+#define QEMU_VM_FILE_MAGIC           0x5145564d
+#define QEMU_VM_FILE_VERSION_COMPAT  0x00000002
+#define QEMU_VM_FILE_VERSION         0x00000003
+
+#define QEMU_VM_EOF                  0x00
+#define QEMU_VM_SECTION_START        0x01
+#define QEMU_VM_SECTION_PART         0x02
+#define QEMU_VM_SECTION_END          0x03
+#define QEMU_VM_SECTION_FULL         0x04
+#define QEMU_VM_SUBSECTION           0x05
+
 struct MigrationParams {
     bool blk;
     bool shared;
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index 0f757fbeb6..a191fb6d8d 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -121,8 +121,11 @@ static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
 void qemu_put_be16(QEMUFile *f, unsigned int v);
 void qemu_put_be32(QEMUFile *f, unsigned int v);
 void qemu_put_be64(QEMUFile *f, uint64_t v);
+int qemu_peek_buffer(QEMUFile *f, uint8_t *buf, int size, size_t offset);
 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
+int qemu_peek_byte(QEMUFile *f, int offset);
 int qemu_get_byte(QEMUFile *f);
+void qemu_file_skip(QEMUFile *f, int size);
 void qemu_update_position(QEMUFile *f, size_t size);
 
 static inline unsigned int qemu_get_ubyte(QEMUFile *f)
@@ -141,6 +144,7 @@ void qemu_file_reset_rate_limit(QEMUFile *f);
 void qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
 int64_t qemu_file_get_rate_limit(QEMUFile *f);
 int qemu_file_get_error(QEMUFile *f);
+void qemu_file_set_error(QEMUFile *f, int ret);
 void qemu_fflush(QEMUFile *f);
 
 static inline void qemu_put_be64s(QEMUFile *f, const uint64_t *pv)
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 9d09e60419..be193baba1 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -339,6 +339,16 @@ extern const VMStateInfo vmstate_info_bitmap;
     .offset     = vmstate_offset_array(_state, _field, _type, _num), \
 }
 
+#define VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, _v, _vmsd, _type) { \
+    .name       = (stringify(_f)),                                   \
+    .version_id = (_v),                                              \
+    .num        = (_n),                                              \
+    .vmsd       = &(_vmsd),                                          \
+    .size       = sizeof(_type *),                                    \
+    .flags      = VMS_ARRAY|VMS_STRUCT|VMS_ARRAY_OF_POINTER,         \
+    .offset     = vmstate_offset_array(_s, _f, _type*, _n),          \
+}
+
 #define VMSTATE_STRUCT_ARRAY_TEST(_field, _state, _num, _test, _version, _vmsd, _type) { \
     .name         = (stringify(_field)),                             \
     .num          = (_num),                                          \
diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
index 10fa0e390c..7e5f752b7a 100644
--- a/include/monitor/monitor.h
+++ b/include/monitor/monitor.h
@@ -5,7 +5,7 @@
 #include "qapi/qmp/qerror.h"
 #include "qapi/qmp/qdict.h"
 #include "block/block.h"
-#include "monitor/readline.h"
+#include "qemu/readline.h"
 
 extern Monitor *cur_mon;
 extern Monitor *default_mon;
@@ -93,6 +93,9 @@ int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
 int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret);
 
 int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret);
+int qmp_object_add(Monitor *mon, const QDict *qdict, QObject **ret);
+void object_add(const char *type, const char *id, const QDict *qdict,
+                Visitor *v, Error **errp);
 
 AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
                                 bool has_opaque, const char *opaque,
diff --git a/include/qapi/error.h b/include/qapi/error.h
index 7d4c6963d3..c0f0c3b432 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -95,4 +95,10 @@ void error_propagate(Error **dst_err, Error *local_err);
  */
 void error_free(Error *err);
 
+/**
+ * If passed to error_set and friends, abort().
+ */
+
+extern Error *error_abort;
+
 #endif
diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index 5cefd8022a..1ddf97b1c3 100644
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -68,5 +68,6 @@ QDict *qdict_clone_shallow(const QDict *src);
 void qdict_flatten(QDict *qdict);
 
 void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start);
+void qdict_array_split(QDict *src, QList **dst);
 
 #endif /* QDICT_H */
diff --git a/include/qapi/qmp/qerror.h b/include/qapi/qmp/qerror.h
index c30c2f6d7a..73c67b70c2 100644
--- a/include/qapi/qmp/qerror.h
+++ b/include/qapi/qmp/qerror.h
@@ -29,7 +29,6 @@ typedef struct QError {
 QString *qerror_human(const QError *qerror);
 void qerror_report(ErrorClass err_class, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 void qerror_report_err(Error *err);
-void assert_no_error(Error *err);
 
 /*
  * QError class list
diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h
index 48a2a2edfd..29da211b47 100644
--- a/include/qapi/visitor.h
+++ b/include/qapi/visitor.h
@@ -13,6 +13,7 @@
 #ifndef QAPI_VISITOR_CORE_H
 #define QAPI_VISITOR_CORE_H
 
+#include "qemu/typedefs.h"
 #include "qapi/qmp/qobject.h"
 #include "qapi/error.h"
 #include <stdlib.h>
@@ -26,8 +27,6 @@ typedef struct GenericList
     struct GenericList *next;
 } GenericList;
 
-typedef struct Visitor Visitor;
-
 void visit_start_handle(Visitor *v, void **obj, const char *kind,
                         const char *name, Error **errp);
 void visit_end_handle(Visitor *v, Error **errp);
diff --git a/include/qemu-io.h b/include/qemu-io.h
index a418b46a40..7e7c07c09b 100644
--- a/include/qemu-io.h
+++ b/include/qemu-io.h
@@ -42,5 +42,8 @@ bool qemuio_command(BlockDriverState *bs, const char *cmd);
 
 void qemuio_add_command(const cmdinfo_t *ci);
 int qemuio_command_usage(const cmdinfo_t *ci);
+void qemuio_complete_command(const char *input,
+                             void (*fn)(const char *cmd, void *opaque),
+                             void *opaque);
 
 #endif /* QEMU_IO_H */
diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h
index 308bbb71e9..1babd5d812 100644
--- a/include/qemu/bitmap.h
+++ b/include/qemu/bitmap.h
@@ -31,7 +31,7 @@
  * bitmap_andnot(dst, src1, src2, nbits)	*dst = *src1 & ~(*src2)
  * bitmap_complement(dst, src, nbits)		*dst = ~(*src)
  * bitmap_equal(src1, src2, nbits)		Are *src1 and *src2 equal?
- * bitmap_intersects(src1, src2, nbits) 	Do *src1 and *src2 overlap?
+ * bitmap_intersects(src1, src2, nbits)         Do *src1 and *src2 overlap?
  * bitmap_empty(src, nbits)			Are all bits zero in *src?
  * bitmap_full(src, nbits)			Are all bits set in *src?
  * bitmap_set(dst, pos, nbits)			Set specified bit area
@@ -62,71 +62,71 @@
         )
 
 #define DECLARE_BITMAP(name,bits)                  \
-	unsigned long name[BITS_TO_LONGS(bits)]
+        unsigned long name[BITS_TO_LONGS(bits)]
 
 #define small_nbits(nbits)                      \
-	((nbits) <= BITS_PER_LONG)
+        ((nbits) <= BITS_PER_LONG)
 
-int slow_bitmap_empty(const unsigned long *bitmap, int bits);
-int slow_bitmap_full(const unsigned long *bitmap, int bits);
+int slow_bitmap_empty(const unsigned long *bitmap, long bits);
+int slow_bitmap_full(const unsigned long *bitmap, long bits);
 int slow_bitmap_equal(const unsigned long *bitmap1,
-                   const unsigned long *bitmap2, int bits);
+                      const unsigned long *bitmap2, long bits);
 void slow_bitmap_complement(unsigned long *dst, const unsigned long *src,
-                         int bits);
+                            long bits);
 void slow_bitmap_shift_right(unsigned long *dst,
-                          const unsigned long *src, int shift, int bits);
+                             const unsigned long *src, int shift, long bits);
 void slow_bitmap_shift_left(unsigned long *dst,
-                         const unsigned long *src, int shift, int bits);
+                            const unsigned long *src, int shift, long bits);
 int slow_bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
-                 const unsigned long *bitmap2, int bits);
+                    const unsigned long *bitmap2, long bits);
 void slow_bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
-                 const unsigned long *bitmap2, int bits);
+                    const unsigned long *bitmap2, long bits);
 void slow_bitmap_xor(unsigned long *dst, const unsigned long *bitmap1,
-                  const unsigned long *bitmap2, int bits);
+                     const unsigned long *bitmap2, long bits);
 int slow_bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1,
-                    const unsigned long *bitmap2, int bits);
+                       const unsigned long *bitmap2, long bits);
 int slow_bitmap_intersects(const unsigned long *bitmap1,
-			const unsigned long *bitmap2, int bits);
+                           const unsigned long *bitmap2, long bits);
 
-static inline unsigned long *bitmap_new(int nbits)
+static inline unsigned long *bitmap_new(long nbits)
 {
-    int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
+    long len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
     return g_malloc0(len);
 }
 
-static inline void bitmap_zero(unsigned long *dst, int nbits)
+static inline void bitmap_zero(unsigned long *dst, long nbits)
 {
     if (small_nbits(nbits)) {
         *dst = 0UL;
     } else {
-        int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
+        long len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
         memset(dst, 0, len);
     }
 }
 
-static inline void bitmap_fill(unsigned long *dst, int nbits)
+static inline void bitmap_fill(unsigned long *dst, long nbits)
 {
     size_t nlongs = BITS_TO_LONGS(nbits);
     if (!small_nbits(nbits)) {
-        int len = (nlongs - 1) * sizeof(unsigned long);
+        long len = (nlongs - 1) * sizeof(unsigned long);
         memset(dst, 0xff,  len);
     }
     dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits);
 }
 
 static inline void bitmap_copy(unsigned long *dst, const unsigned long *src,
-                               int nbits)
+                               long nbits)
 {
     if (small_nbits(nbits)) {
         *dst = *src;
     } else {
-        int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
+        long len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
         memcpy(dst, src, len);
     }
 }
 
 static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
-                             const unsigned long *src2, int nbits)
+                             const unsigned long *src2, long nbits)
 {
     if (small_nbits(nbits)) {
         return (*dst = *src1 & *src2) != 0;
@@ -135,7 +135,7 @@ static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
 }
 
 static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
-			const unsigned long *src2, int nbits)
+                             const unsigned long *src2, long nbits)
 {
     if (small_nbits(nbits)) {
         *dst = *src1 | *src2;
@@ -145,7 +145,7 @@ static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
 }
 
 static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1,
-			const unsigned long *src2, int nbits)
+                              const unsigned long *src2, long nbits)
 {
     if (small_nbits(nbits)) {
         *dst = *src1 ^ *src2;
@@ -155,7 +155,7 @@ static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1,
 }
 
 static inline int bitmap_andnot(unsigned long *dst, const unsigned long *src1,
-			const unsigned long *src2, int nbits)
+                                const unsigned long *src2, long nbits)
 {
     if (small_nbits(nbits)) {
         return (*dst = *src1 & ~(*src2)) != 0;
@@ -163,8 +163,9 @@ static inline int bitmap_andnot(unsigned long *dst, const unsigned long *src1,
     return slow_bitmap_andnot(dst, src1, src2, nbits);
 }
 
-static inline void bitmap_complement(unsigned long *dst, const unsigned long *src,
-			int nbits)
+static inline void bitmap_complement(unsigned long *dst,
+                                     const unsigned long *src,
+                                     long nbits)
 {
     if (small_nbits(nbits)) {
         *dst = ~(*src) & BITMAP_LAST_WORD_MASK(nbits);
@@ -174,7 +175,7 @@ static inline void bitmap_complement(unsigned long *dst, const unsigned long *sr
 }
 
 static inline int bitmap_equal(const unsigned long *src1,
-			const unsigned long *src2, int nbits)
+                               const unsigned long *src2, long nbits)
 {
     if (small_nbits(nbits)) {
         return ! ((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits));
@@ -183,7 +184,7 @@ static inline int bitmap_equal(const unsigned long *src1,
     }
 }
 
-static inline int bitmap_empty(const unsigned long *src, int nbits)
+static inline int bitmap_empty(const unsigned long *src, long nbits)
 {
     if (small_nbits(nbits)) {
         return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
@@ -192,7 +193,7 @@ static inline int bitmap_empty(const unsigned long *src, int nbits)
     }
 }
 
-static inline int bitmap_full(const unsigned long *src, int nbits)
+static inline int bitmap_full(const unsigned long *src, long nbits)
 {
     if (small_nbits(nbits)) {
         return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
@@ -202,7 +203,7 @@ static inline int bitmap_full(const unsigned long *src, int nbits)
 }
 
 static inline int bitmap_intersects(const unsigned long *src1,
-			const unsigned long *src2, int nbits)
+                                    const unsigned long *src2, long nbits)
 {
     if (small_nbits(nbits)) {
         return ((*src1 & *src2) & BITMAP_LAST_WORD_MASK(nbits)) != 0;
@@ -211,12 +212,21 @@ static inline int bitmap_intersects(const unsigned long *src1,
     }
 }
 
-void bitmap_set(unsigned long *map, int i, int len);
-void bitmap_clear(unsigned long *map, int start, int nr);
+void bitmap_set(unsigned long *map, long i, long len);
+void bitmap_clear(unsigned long *map, long start, long nr);
 unsigned long bitmap_find_next_zero_area(unsigned long *map,
-					 unsigned long size,
-					 unsigned long start,
-					 unsigned int nr,
-					 unsigned long align_mask);
+                                         unsigned long size,
+                                         unsigned long start,
+                                         unsigned long nr,
+                                         unsigned long align_mask);
+
+static inline unsigned long *bitmap_zero_extend(unsigned long *old,
+                                                long old_nbits, long new_nbits)
+{
+    long new_len = BITS_TO_LONGS(new_nbits) * sizeof(unsigned long);
+    unsigned long *new = g_realloc(old, new_len);
+    bitmap_clear(new, old_nbits, new_nbits - old_nbits);
+    return new;
+}
 
 #endif /* BITMAP_H */
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h
index 304c90c2b4..340b1e73bd 100644
--- a/include/qemu/bitops.h
+++ b/include/qemu/bitops.h
@@ -28,7 +28,7 @@
  * @nr: the bit to set
  * @addr: the address to start counting from
  */
-static inline void set_bit(int nr, unsigned long *addr)
+static inline void set_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
         unsigned long *p = addr + BIT_WORD(nr);
@@ -41,7 +41,7 @@ static inline void set_bit(int nr, unsigned long *addr)
  * @nr: Bit to clear
  * @addr: Address to start counting from
  */
-static inline void clear_bit(int nr, unsigned long *addr)
+static inline void clear_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
         unsigned long *p = addr + BIT_WORD(nr);
@@ -54,7 +54,7 @@ static inline void clear_bit(int nr, unsigned long *addr)
  * @nr: Bit to change
  * @addr: Address to start counting from
  */
-static inline void change_bit(int nr, unsigned long *addr)
+static inline void change_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
         unsigned long *p = addr + BIT_WORD(nr);
@@ -67,7 +67,7 @@ static inline void change_bit(int nr, unsigned long *addr)
  * @nr: Bit to set
  * @addr: Address to count from
  */
-static inline int test_and_set_bit(int nr, unsigned long *addr)
+static inline int test_and_set_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
         unsigned long *p = addr + BIT_WORD(nr);
@@ -82,7 +82,7 @@ static inline int test_and_set_bit(int nr, unsigned long *addr)
  * @nr: Bit to clear
  * @addr: Address to count from
  */
-static inline int test_and_clear_bit(int nr, unsigned long *addr)
+static inline int test_and_clear_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
         unsigned long *p = addr + BIT_WORD(nr);
@@ -97,7 +97,7 @@ static inline int test_and_clear_bit(int nr, unsigned long *addr)
  * @nr: Bit to change
  * @addr: Address to count from
  */
-static inline int test_and_change_bit(int nr, unsigned long *addr)
+static inline int test_and_change_bit(long nr, unsigned long *addr)
 {
 	unsigned long mask = BIT_MASK(nr);
         unsigned long *p = addr + BIT_WORD(nr);
@@ -112,7 +112,7 @@ static inline int test_and_change_bit(int nr, unsigned long *addr)
  * @nr: bit number to test
  * @addr: Address to start counting from
  */
-static inline int test_bit(int nr, const unsigned long *addr)
+static inline int test_bit(long nr, const unsigned long *addr)
 {
 	return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
 }
diff --git a/include/qemu/config-file.h b/include/qemu/config-file.h
index 508428ff32..dbd97c4bdb 100644
--- a/include/qemu/config-file.h
+++ b/include/qemu/config-file.h
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include "qemu/option.h"
 #include "qapi/error.h"
+#include "qapi/qmp/qdict.h"
 
 QemuOptsList *qemu_find_opts(const char *group);
 QemuOptsList *qemu_find_opts_err(const char *group, Error **errp);
@@ -18,6 +19,11 @@ int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname);
 
 int qemu_read_config_file(const char *filename);
 
+/* Parse QDict options as a replacement for a config file (allowing multiple
+   enumerated (0..(n-1)) configuration "sections") */
+void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
+                             Error **errp);
+
 /* Read default QEMU config files
  */
 int qemu_read_default_config_files(bool userconfig);
diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h
index 0f688c1c00..de85d282d0 100644
--- a/include/qemu/host-utils.h
+++ b/include/qemu/host-utils.h
@@ -228,6 +228,38 @@ static inline int cto64(uint64_t val)
 }
 
 /**
+ * clrsb32 - count leading redundant sign bits in a 32-bit value.
+ * @val: The value to search
+ *
+ * Returns the number of bits following the sign bit that are equal to it.
+ * No special cases; output range is [0-31].
+ */
+static inline int clrsb32(uint32_t val)
+{
+#if QEMU_GNUC_PREREQ(4, 7)
+    return __builtin_clrsb(val);
+#else
+    return clz32(val ^ ((int32_t)val >> 1)) - 1;
+#endif
+}
+
+/**
+ * clrsb64 - count leading redundant sign bits in a 64-bit value.
+ * @val: The value to search
+ *
+ * Returns the number of bits following the sign bit that are equal to it.
+ * No special cases; output range is [0-63].
+ */
+static inline int clrsb64(uint64_t val)
+{
+#if QEMU_GNUC_PREREQ(4, 7)
+    return __builtin_clrsbll(val);
+#else
+    return clz64(val ^ ((int64_t)val >> 1)) - 1;
+#endif
+}
+
+/**
  * ctpop8 - count the population of one bits in an 8-bit value.
  * @val: The value to search
  */
diff --git a/include/qemu/option.h b/include/qemu/option.h
index 5c0c6dd294..3ea871a3ba 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -136,7 +136,6 @@ int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
 QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id);
 QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id,
                            int fail_if_exists, Error **errp);
-QemuOpts *qemu_opts_create_nofail(QemuOptsList *list);
 void qemu_opts_reset(QemuOptsList *list);
 void qemu_opts_loc_restore(QemuOpts *opts);
 int qemu_opts_set(QemuOptsList *list, const char *id,
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index b3e2b6d8ea..eac7172bcb 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -240,4 +240,6 @@ static inline void qemu_init_auxval(char **envp) { }
 void qemu_init_auxval(char **envp);
 #endif
 
+void qemu_set_tty_echo(int fd, bool echo);
+
 #endif
diff --git a/include/monitor/readline.h b/include/qemu/readline.h
index 0faf6e1db7..a89fe4a9a9 100644
--- a/include/monitor/readline.h
+++ b/include/qemu/readline.h
@@ -1,14 +1,15 @@
 #ifndef READLINE_H
 #define READLINE_H
 
-#include "qemu-common.h"
-
 #define READLINE_CMD_BUF_SIZE 4095
 #define READLINE_MAX_CMDS 64
 #define READLINE_MAX_COMPLETIONS 256
 
-typedef void ReadLineFunc(Monitor *mon, const char *str, void *opaque);
-typedef void ReadLineCompletionFunc(Monitor *mon,
+typedef void ReadLinePrintfFunc(void *opaque, const char *fmt, ...);
+typedef void ReadLineFlushFunc(void *opaque);
+typedef void ReadLineFunc(void *opaque, const char *str,
+                          void *readline_opaque);
+typedef void ReadLineCompletionFunc(void *opaque,
                                     const char *cmdline);
 
 typedef struct ReadLineState {
@@ -35,7 +36,10 @@ typedef struct ReadLineState {
     void *readline_opaque;
     int read_password;
     char prompt[256];
-    Monitor *mon;
+
+    ReadLinePrintfFunc *printf_func;
+    ReadLineFlushFunc *flush_func;
+    void *opaque;
 } ReadLineState;
 
 void readline_add_completion(ReadLineState *rs, const char *str);
@@ -46,11 +50,13 @@ const char *readline_get_history(ReadLineState *rs, unsigned int index);
 void readline_handle_byte(ReadLineState *rs, int ch);
 
 void readline_start(ReadLineState *rs, const char *prompt, int read_password,
-                    ReadLineFunc *readline_func, void *opaque);
+                    ReadLineFunc *readline_func, void *readline_opaque);
 void readline_restart(ReadLineState *rs);
 void readline_show_prompt(ReadLineState *rs);
 
-ReadLineState *readline_init(Monitor *mon,
+ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
+                             ReadLineFlushFunc *flush_func,
+                             void *opaque,
                              ReadLineCompletionFunc *completion_finder);
 
 #endif /* !READLINE_H */
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index a4c1b84d69..45244960b5 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -10,6 +10,8 @@ typedef struct QEMUBH QEMUBH;
 
 typedef struct AioContext AioContext;
 
+typedef struct Visitor Visitor;
+
 struct Monitor;
 typedef struct Monitor Monitor;
 typedef struct MigrationParams MigrationParams;
diff --git a/include/qom/object.h b/include/qom/object.h
index a275db2092..e0ff212cb6 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -358,7 +358,8 @@ struct ObjectClass
     Type type;
     GSList *interfaces;
 
-    const char *cast_cache[OBJECT_CLASS_CAST_CACHE];
+    const char *object_cast_cache[OBJECT_CLASS_CAST_CACHE];
+    const char *class_cast_cache[OBJECT_CLASS_CAST_CACHE];
 
     ObjectUnparent *unparent;
 };
@@ -535,6 +536,7 @@ struct InterfaceClass
     ObjectClass parent_class;
     /*< private >*/
     ObjectClass *concrete_class;
+    Type interface_type;
 };
 
 #define TYPE_INTERFACE "interface"
diff --git a/include/sysemu/blockdev.h b/include/sysemu/blockdev.h
index 10820910d7..134712b500 100644
--- a/include/sysemu/blockdev.h
+++ b/include/sysemu/blockdev.h
@@ -64,7 +64,7 @@ DriveInfo *drive_init(QemuOpts *arg, BlockInterfaceType block_default_type);
 DriveInfo *add_init_drive(const char *opts);
 
 void qmp_change_blockdev(const char *device, const char *filename,
-                         bool has_format, const char *format, Error **errp);
+                         const char *format, Error **errp);
 void do_commit(Monitor *mon, const QDict *qdict);
 int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
 #endif
diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index ad101d9258..b81a6ff185 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -69,6 +69,7 @@ struct CharDriverState {
     void (*chr_accept_input)(struct CharDriverState *chr);
     void (*chr_set_echo)(struct CharDriverState *chr, bool echo);
     void (*chr_set_fe_open)(struct CharDriverState *chr, int fe_open);
+    void (*chr_fe_event)(struct CharDriverState *chr, int event);
     void *opaque;
     char *label;
     char *filename;
@@ -138,6 +139,15 @@ void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo);
 void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open);
 
 /**
+ * @qemu_chr_fe_event:
+ *
+ * Send an event from the front end to the back end.
+ *
+ * @event the event to send
+ */
+void qemu_chr_fe_event(CharDriverState *s, int event);
+
+/**
  * @qemu_chr_fe_printf:
  *
  * Write to a character backend using a printf style interface.
diff --git a/include/sysemu/device_tree.h b/include/sysemu/device_tree.h
index 2b58baf8b1..899f05c138 100644
--- a/include/sysemu/device_tree.h
+++ b/include/sysemu/device_tree.h
@@ -17,27 +17,27 @@
 void *create_device_tree(int *sizep);
 void *load_device_tree(const char *filename_path, int *sizep);
 
-int qemu_devtree_setprop(void *fdt, const char *node_path,
-                         const char *property, const void *val_array, int size);
-int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
-                              const char *property, uint32_t val);
-int qemu_devtree_setprop_u64(void *fdt, const char *node_path,
-                             const char *property, uint64_t val);
-int qemu_devtree_setprop_string(void *fdt, const char *node_path,
-                                const char *property, const char *string);
-int qemu_devtree_setprop_phandle(void *fdt, const char *node_path,
-                                 const char *property,
-                                 const char *target_node_path);
-const void *qemu_devtree_getprop(void *fdt, const char *node_path,
-                                 const char *property, int *lenp);
-uint32_t qemu_devtree_getprop_cell(void *fdt, const char *node_path,
-                                   const char *property);
-uint32_t qemu_devtree_get_phandle(void *fdt, const char *path);
-uint32_t qemu_devtree_alloc_phandle(void *fdt);
-int qemu_devtree_nop_node(void *fdt, const char *node_path);
-int qemu_devtree_add_subnode(void *fdt, const char *name);
+int qemu_fdt_setprop(void *fdt, const char *node_path,
+                     const char *property, const void *val, int size);
+int qemu_fdt_setprop_cell(void *fdt, const char *node_path,
+                          const char *property, uint32_t val);
+int qemu_fdt_setprop_u64(void *fdt, const char *node_path,
+                         const char *property, uint64_t val);
+int qemu_fdt_setprop_string(void *fdt, const char *node_path,
+                            const char *property, const char *string);
+int qemu_fdt_setprop_phandle(void *fdt, const char *node_path,
+                             const char *property,
+                             const char *target_node_path);
+const void *qemu_fdt_getprop(void *fdt, const char *node_path,
+                             const char *property, int *lenp);
+uint32_t qemu_fdt_getprop_cell(void *fdt, const char *node_path,
+                               const char *property);
+uint32_t qemu_fdt_get_phandle(void *fdt, const char *path);
+uint32_t qemu_fdt_alloc_phandle(void *fdt);
+int qemu_fdt_nop_node(void *fdt, const char *node_path);
+int qemu_fdt_add_subnode(void *fdt, const char *name);
 
-#define qemu_devtree_setprop_cells(fdt, node_path, property, ...)             \
+#define qemu_fdt_setprop_cells(fdt, node_path, property, ...)                 \
     do {                                                                      \
         uint32_t qdt_tmp[] = { __VA_ARGS__ };                                 \
         int i;                                                                \
@@ -45,14 +45,14 @@ int qemu_devtree_add_subnode(void *fdt, const char *name);
         for (i = 0; i < ARRAY_SIZE(qdt_tmp); i++) {                           \
             qdt_tmp[i] = cpu_to_be32(qdt_tmp[i]);                             \
         }                                                                     \
-        qemu_devtree_setprop(fdt, node_path, property, qdt_tmp,               \
-                             sizeof(qdt_tmp));                                \
+        qemu_fdt_setprop(fdt, node_path, property, qdt_tmp,                   \
+                         sizeof(qdt_tmp));                                    \
     } while (0)
 
-void qemu_devtree_dumpdtb(void *fdt, int size);
+void qemu_fdt_dumpdtb(void *fdt, int size);
 
 /**
- * qemu_devtree_setprop_sized_cells_from_array:
+ * qemu_fdt_setprop_sized_cells_from_array:
  * @fdt: device tree blob
  * @node_path: node to set property on
  * @property: property to set
@@ -72,20 +72,20 @@ void qemu_devtree_dumpdtb(void *fdt, int size);
  * the number of cells used for each element vary depending on the
  * #address-cells and #size-cells properties of their parent node.
  * If you know all your cell elements are one cell wide you can use the
- * simpler qemu_devtree_setprop_cells(). If you're not setting up the
- * array programmatically, qemu_devtree_setprop_sized_cells may be more
+ * simpler qemu_fdt_setprop_cells(). If you're not setting up the
+ * array programmatically, qemu_fdt_setprop_sized_cells may be more
  * convenient.
  *
  * Return value: 0 on success, <0 on error.
  */
-int qemu_devtree_setprop_sized_cells_from_array(void *fdt,
-                                                const char *node_path,
-                                                const char *property,
-                                                int numvalues,
-                                                uint64_t *values);
+int qemu_fdt_setprop_sized_cells_from_array(void *fdt,
+                                            const char *node_path,
+                                            const char *property,
+                                            int numvalues,
+                                            uint64_t *values);
 
 /**
- * qemu_devtree_setprop_sized_cells:
+ * qemu_fdt_setprop_sized_cells:
  * @fdt: device tree blob
  * @node_path: node to set property on
  * @property: property to set
@@ -97,17 +97,17 @@ int qemu_devtree_setprop_sized_cells_from_array(void *fdt,
  * used by this value" and "value".
  *
  * This is a convenience wrapper for the function
- * qemu_devtree_setprop_sized_cells_from_array().
+ * qemu_fdt_setprop_sized_cells_from_array().
  *
  * Return value: 0 on success, <0 on error.
  */
-#define qemu_devtree_setprop_sized_cells(fdt, node_path, property, ...)       \
-    ({                                                                        \
-        uint64_t qdt_tmp[] = { __VA_ARGS__ };                                 \
-        qemu_devtree_setprop_sized_cells_from_array(fdt, node_path,           \
-                                                    property,                 \
-                                                    ARRAY_SIZE(qdt_tmp) / 2,  \
-                                                    qdt_tmp);                 \
+#define qemu_fdt_setprop_sized_cells(fdt, node_path, property, ...)       \
+    ({                                                                    \
+        uint64_t qdt_tmp[] = { __VA_ARGS__ };                             \
+        qemu_fdt_setprop_sized_cells_from_array(fdt, node_path,           \
+                                                property,                 \
+                                                ARRAY_SIZE(qdt_tmp) / 2,  \
+                                                qdt_tmp);                 \
     })
 
 #endif /* __DEVICE_TREE_H__ */
diff --git a/include/sysemu/qtest.h b/include/sysemu/qtest.h
index 9a0c6b31c8..112a661ac4 100644
--- a/include/sysemu/qtest.h
+++ b/include/sysemu/qtest.h
@@ -16,38 +16,23 @@
 
 #include "qemu-common.h"
 
-#if !defined(CONFIG_USER_ONLY)
 extern bool qtest_allowed;
-extern const char *qtest_chrdev;
-extern const char *qtest_log;
 
 static inline bool qtest_enabled(void)
 {
     return qtest_allowed;
 }
 
+int qtest_init_accel(void);
+void qtest_init(const char *qtest_chrdev, const char *qtest_log);
+
 static inline int qtest_available(void)
 {
+#ifdef CONFIG_POSIX
     return 1;
-}
-
-int qtest_init(void);
 #else
-static inline bool qtest_enabled(void)
-{
-    return false;
-}
-
-static inline int qtest_available(void)
-{
-    return 0;
-}
-
-static inline int qtest_init(void)
-{
     return 0;
-}
-
 #endif
+}
 
 #endif
diff --git a/include/ui/qemu-spice.h b/include/ui/qemu-spice.h
index 86c75c7a71..a93b4b2572 100644
--- a/include/ui/qemu-spice.h
+++ b/include/ui/qemu-spice.h
@@ -18,6 +18,8 @@
 #ifndef QEMU_SPICE_H
 #define QEMU_SPICE_H
 
+#include "config-host.h"
+
 #ifdef CONFIG_SPICE
 
 #include <spice.h>