Merge remote-tracking branch 'mjt/trivial-patches' into staging

# By Michael Tokarev (2) and others
# Via Michael Tokarev
* mjt/trivial-patches:
  doc: monitor multiplexing rewording
  block/m25p80: Update Micron entries
  Fix command example in qemu.sasl
  slirp: remove mbuf(m_hdr,m_dat) indirection
  linux-user: declare sys_futex to have 6 arguments

Message-id: 1374225073-12959-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/.gitmodules b/.gitmodules
index b426ea605a9865344d21b198df7447d0bb24137a..d7e3f3c7cd2040dd25e2a63a5c63d7e093f99a38 100644 (file)
--- a/.gitmodules
+++ b/.gitmodules
@@ -15,7 +15,7 @@
        url = git://git.qemu.org/openbios.git
 [submodule "roms/qemu-palcode"]
        path = roms/qemu-palcode
-       url = git://repo.or.cz/qemu-palcode.git
+       url = git://github.com/rth7680/qemu-palcode.git
 [submodule "roms/sgabios"]
        path = roms/sgabios
        url = git://git.qemu.org/sgabios.git

diff --git a/async.c b/async.c
index 90fe906539f70815a5cfbaa95b42fab9f11ce228..5ce3633010d6c2c63880634de9d693236421ca11 100644 (file)
--- a/async.c
+++ b/async.c
@@ -47,11 +47,16 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque)
     bh->ctx = ctx;
     bh->cb = cb;
     bh->opaque = opaque;
+    qemu_mutex_lock(&ctx->bh_lock);
     bh->next = ctx->first_bh;
+    /* Make sure that the members are ready before putting bh into list */
+    smp_wmb();
     ctx->first_bh = bh;
+    qemu_mutex_unlock(&ctx->bh_lock);
     return bh;
 }
 
+/* Multiple occurrences of aio_bh_poll cannot be called concurrently */
 int aio_bh_poll(AioContext *ctx)
 {
     QEMUBH *bh, **bhp, *next;
@@ -61,9 +66,15 @@ int aio_bh_poll(AioContext *ctx)
 
     ret = 0;
     for (bh = ctx->first_bh; bh; bh = next) {
+        /* Make sure that fetching bh happens before accessing its members */
+        smp_read_barrier_depends();
         next = bh->next;
         if (!bh->deleted && bh->scheduled) {
             bh->scheduled = 0;
+            /* Paired with write barrier in bh schedule to ensure reading for
+             * idle & callbacks coming after bh's scheduling.
+             */
+            smp_rmb();
             if (!bh->idle)
                 ret = 1;
             bh->idle = 0;
@@ -75,6 +86,7 @@ int aio_bh_poll(AioContext *ctx)
 
     /* remove deleted bhs */
     if (!ctx->walking_bh) {
+        qemu_mutex_lock(&ctx->bh_lock);
         bhp = &ctx->first_bh;
         while (*bhp) {
             bh = *bhp;
@@ -85,6 +97,7 @@ int aio_bh_poll(AioContext *ctx)
                 bhp = &bh->next;
             }
         }
+        qemu_mutex_unlock(&ctx->bh_lock);
     }
 
     return ret;
@@ -94,24 +107,38 @@ void qemu_bh_schedule_idle(QEMUBH *bh)
 {
     if (bh->scheduled)
         return;
-    bh->scheduled = 1;
     bh->idle = 1;
+    /* Make sure that idle & any writes needed by the callback are done
+     * before the locations are read in the aio_bh_poll.
+     */
+    smp_wmb();
+    bh->scheduled = 1;
 }
 
 void qemu_bh_schedule(QEMUBH *bh)
 {
     if (bh->scheduled)
         return;
-    bh->scheduled = 1;
     bh->idle = 0;
+    /* Make sure that idle & any writes needed by the callback are done
+     * before the locations are read in the aio_bh_poll.
+     */
+    smp_wmb();
+    bh->scheduled = 1;
     aio_notify(bh->ctx);
 }
 
+
+/* This func is async.
+ */
 void qemu_bh_cancel(QEMUBH *bh)
 {
     bh->scheduled = 0;
 }
 
+/* This func is async.The bottom half will do the delete action at the finial
+ * end.
+ */
 void qemu_bh_delete(QEMUBH *bh)
 {
     bh->scheduled = 0;
@@ -176,6 +203,7 @@ aio_ctx_finalize(GSource     *source)
     thread_pool_free(ctx->thread_pool);
     aio_set_event_notifier(ctx, &ctx->notifier, NULL, NULL);
     event_notifier_cleanup(&ctx->notifier);
+    qemu_mutex_destroy(&ctx->bh_lock);
     g_array_free(ctx->pollfds, TRUE);
 }
 
@@ -211,6 +239,7 @@ AioContext *aio_context_new(void)
     ctx = (AioContext *) g_source_new(&aio_source_funcs, sizeof(AioContext));
     ctx->pollfds = g_array_new(FALSE, FALSE, sizeof(GPollFD));
     ctx->thread_pool = NULL;
+    qemu_mutex_init(&ctx->bh_lock);
     event_notifier_init(&ctx->notifier, false);
     aio_set_event_notifier(ctx, &ctx->notifier, 
                            (EventNotifierHandler *)

diff --git a/block-migration.c b/block-migration.c
index 2fd76997945cf513b76f301f1d0a7b6f0fdeacad..f803f2006f4d8da00b02b77499ecdb1b717b5c41 100644 (file)
--- a/block-migration.c
+++ b/block-migration.c
@@ -29,6 +29,7 @@
 #define BLK_MIG_FLAG_DEVICE_BLOCK       0x01
 #define BLK_MIG_FLAG_EOS                0x02
 #define BLK_MIG_FLAG_PROGRESS           0x04
+#define BLK_MIG_FLAG_ZERO_BLOCK         0x08
 
 #define MAX_IS_ALLOCATED_SEARCH 65536
 
@@ -80,6 +81,7 @@ typedef struct BlkMigState {
     int shared_base;
     QSIMPLEQ_HEAD(bmds_list, BlkMigDevState) bmds_list;
     int64_t total_sector_sum;
+    bool zero_blocks;
 
     /* Protected by lock.  */
     QSIMPLEQ_HEAD(blk_list, BlkMigBlock) blk_list;
@@ -114,16 +116,30 @@ static void blk_mig_unlock(void)
 static void blk_send(QEMUFile *f, BlkMigBlock * blk)
 {
     int len;
+    uint64_t flags = BLK_MIG_FLAG_DEVICE_BLOCK;
+
+    if (block_mig_state.zero_blocks &&
+        buffer_is_zero(blk->buf, BLOCK_SIZE)) {
+        flags |= BLK_MIG_FLAG_ZERO_BLOCK;
+    }
 
     /* sector number and flags */
     qemu_put_be64(f, (blk->sector << BDRV_SECTOR_BITS)
-                     | BLK_MIG_FLAG_DEVICE_BLOCK);
+                     | flags);
 
     /* device name */
     len = strlen(blk->bmds->bs->device_name);
     qemu_put_byte(f, len);
     qemu_put_buffer(f, (uint8_t *)blk->bmds->bs->device_name, len);
 
+    /* if a block is zero we need to flush here since the network
+     * bandwidth is now a lot higher than the storage device bandwidth.
+     * thus if we queue zero blocks we slow down the migration */
+    if (flags & BLK_MIG_FLAG_ZERO_BLOCK) {
+        qemu_fflush(f);
+        return;
+    }
+
     qemu_put_buffer(f, blk->buf, BLOCK_SIZE);
 }
 
@@ -344,6 +360,7 @@ static void init_blk_migration(QEMUFile *f)
     block_mig_state.total_sector_sum = 0;
     block_mig_state.prev_progress = -1;
     block_mig_state.bulk_completed = 0;
+    block_mig_state.zero_blocks = migrate_zero_blocks();
 
     bdrv_iterate(init_blk_migration_it, NULL);
 }
@@ -762,12 +779,15 @@ static int block_load(QEMUFile *f, void *opaque, int version_id)
                 nr_sectors = BDRV_SECTORS_PER_DIRTY_CHUNK;
             }
 
-            buf = g_malloc(BLOCK_SIZE);
-
-            qemu_get_buffer(f, buf, BLOCK_SIZE);
-            ret = bdrv_write(bs, addr, buf, nr_sectors);
+            if (flags & BLK_MIG_FLAG_ZERO_BLOCK) {
+                ret = bdrv_write_zeroes(bs, addr, nr_sectors);
+            } else {
+                buf = g_malloc(BLOCK_SIZE);
+                qemu_get_buffer(f, buf, BLOCK_SIZE);
+                ret = bdrv_write(bs, addr, buf, nr_sectors);
+                g_free(buf);
+            }
 
-            g_free(buf);
             if (ret < 0) {
                 return ret;
             }

diff --git a/block.c b/block.c
index b56024113b8da3590066fa4726d644391698a3c2..6cd39fa146d0c5eedd4fd7d26732a820955ee273 100644 (file)
--- a/block.c
+++ b/block.c
@@ -2162,6 +2162,7 @@ typedef struct RwCo {
     QEMUIOVector *qiov;
     bool is_write;
     int ret;
+    BdrvRequestFlags flags;
 } RwCo;
 
 static void coroutine_fn bdrv_rw_co_entry(void *opaque)
@@ -2170,10 +2171,12 @@ static void coroutine_fn bdrv_rw_co_entry(void *opaque)
 
     if (!rwco->is_write) {
         rwco->ret = bdrv_co_do_readv(rwco->bs, rwco->sector_num,
-                                     rwco->nb_sectors, rwco->qiov, 0);
+                                     rwco->nb_sectors, rwco->qiov,
+                                     rwco->flags);
     } else {
         rwco->ret = bdrv_co_do_writev(rwco->bs, rwco->sector_num,
-                                      rwco->nb_sectors, rwco->qiov, 0);
+                                      rwco->nb_sectors, rwco->qiov,
+                                      rwco->flags);
     }
 }
 
@@ -2181,7 +2184,8 @@ static void coroutine_fn bdrv_rw_co_entry(void *opaque)
  * Process a vectored synchronous request using coroutines
  */
 static int bdrv_rwv_co(BlockDriverState *bs, int64_t sector_num,
-                       QEMUIOVector *qiov, bool is_write)
+                       QEMUIOVector *qiov, bool is_write,
+                       BdrvRequestFlags flags)
 {
     Coroutine *co;
     RwCo rwco = {
@@ -2191,6 +2195,7 @@ static int bdrv_rwv_co(BlockDriverState *bs, int64_t sector_num,
         .qiov = qiov,
         .is_write = is_write,
         .ret = NOT_DONE,
+        .flags = flags,
     };
     assert((qiov->size & (BDRV_SECTOR_SIZE - 1)) == 0);
 
@@ -2222,7 +2227,7 @@ static int bdrv_rwv_co(BlockDriverState *bs, int64_t sector_num,
  * Process a synchronous request using coroutines
  */
 static int bdrv_rw_co(BlockDriverState *bs, int64_t sector_num, uint8_t *buf,
-                      int nb_sectors, bool is_write)
+                      int nb_sectors, bool is_write, BdrvRequestFlags flags)
 {
     QEMUIOVector qiov;
     struct iovec iov = {
@@ -2231,14 +2236,14 @@ static int bdrv_rw_co(BlockDriverState *bs, int64_t sector_num, uint8_t *buf,
     };
 
     qemu_iovec_init_external(&qiov, &iov, 1);
-    return bdrv_rwv_co(bs, sector_num, &qiov, is_write);
+    return bdrv_rwv_co(bs, sector_num, &qiov, is_write, flags);
 }
 
 /* return < 0 if error. See bdrv_write() for the return codes */
 int bdrv_read(BlockDriverState *bs, int64_t sector_num,
               uint8_t *buf, int nb_sectors)
 {
-    return bdrv_rw_co(bs, sector_num, buf, nb_sectors, false);
+    return bdrv_rw_co(bs, sector_num, buf, nb_sectors, false, 0);
 }
 
 /* Just like bdrv_read(), but with I/O throttling temporarily disabled */
@@ -2250,7 +2255,7 @@ int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
 
     enabled = bs->io_limits_enabled;
     bs->io_limits_enabled = false;
-    ret = bdrv_read(bs, 0, buf, 1);
+    ret = bdrv_read(bs, sector_num, buf, nb_sectors);
     bs->io_limits_enabled = enabled;
     return ret;
 }
@@ -2264,12 +2269,18 @@ int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
 int bdrv_write(BlockDriverState *bs, int64_t sector_num,
                const uint8_t *buf, int nb_sectors)
 {
-    return bdrv_rw_co(bs, sector_num, (uint8_t *)buf, nb_sectors, true);
+    return bdrv_rw_co(bs, sector_num, (uint8_t *)buf, nb_sectors, true, 0);
 }
 
 int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov)
 {
-    return bdrv_rwv_co(bs, sector_num, qiov, true);
+    return bdrv_rwv_co(bs, sector_num, qiov, true, 0);
+}
+
+int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors)
+{
+    return bdrv_rw_co(bs, sector_num, NULL, nb_sectors, true,
+                      BDRV_REQ_ZERO_WRITE);
 }
 
 int bdrv_pread(BlockDriverState *bs, int64_t offset,

diff --git a/block/gluster.c b/block/gluster.c
index 61424bcb0125e2b65b77c457f57f489f4d83f5a3..6de418c0bd32bc28ed9df6651ea800fdb923ceb7 100644 (file)
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -532,6 +532,39 @@ out:
     return NULL;
 }
 
+#ifdef CONFIG_GLUSTERFS_DISCARD
+static BlockDriverAIOCB *qemu_gluster_aio_discard(BlockDriverState *bs,
+        int64_t sector_num, int nb_sectors, BlockDriverCompletionFunc *cb,
+        void *opaque)
+{
+    int ret;
+    GlusterAIOCB *acb;
+    BDRVGlusterState *s = bs->opaque;
+    size_t size;
+    off_t offset;
+
+    offset = sector_num * BDRV_SECTOR_SIZE;
+    size = nb_sectors * BDRV_SECTOR_SIZE;
+
+    acb = qemu_aio_get(&gluster_aiocb_info, bs, cb, opaque);
+    acb->size = 0;
+    acb->ret = 0;
+    acb->finished = NULL;
+    s->qemu_aio_count++;
+
+    ret = glfs_discard_async(s->fd, offset, size, &gluster_finish_aiocb, acb);
+    if (ret < 0) {
+        goto out;
+    }
+    return &acb->common;
+
+out:
+    s->qemu_aio_count--;
+    qemu_aio_release(acb);
+    return NULL;
+}
+#endif
+
 static int64_t qemu_gluster_getlength(BlockDriverState *bs)
 {
     BDRVGlusterState *s = bs->opaque;
@@ -602,6 +635,9 @@ static BlockDriver bdrv_gluster = {
     .bdrv_aio_writev              = qemu_gluster_aio_writev,
     .bdrv_aio_flush               = qemu_gluster_aio_flush,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
+#ifdef CONFIG_GLUSTERFS_DISCARD
+    .bdrv_aio_discard             = qemu_gluster_aio_discard,
+#endif
     .create_options               = qemu_gluster_create_options,
 };
 
@@ -618,6 +654,9 @@ static BlockDriver bdrv_gluster_tcp = {
     .bdrv_aio_writev              = qemu_gluster_aio_writev,
     .bdrv_aio_flush               = qemu_gluster_aio_flush,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
+#ifdef CONFIG_GLUSTERFS_DISCARD
+    .bdrv_aio_discard             = qemu_gluster_aio_discard,
+#endif
     .create_options               = qemu_gluster_create_options,
 };
 
@@ -634,6 +673,9 @@ static BlockDriver bdrv_gluster_unix = {
     .bdrv_aio_writev              = qemu_gluster_aio_writev,
     .bdrv_aio_flush               = qemu_gluster_aio_flush,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
+#ifdef CONFIG_GLUSTERFS_DISCARD
+    .bdrv_aio_discard             = qemu_gluster_aio_discard,
+#endif
     .create_options               = qemu_gluster_create_options,
 };
 
@@ -650,6 +692,9 @@ static BlockDriver bdrv_gluster_rdma = {
     .bdrv_aio_writev              = qemu_gluster_aio_writev,
     .bdrv_aio_flush               = qemu_gluster_aio_flush,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
+#ifdef CONFIG_GLUSTERFS_DISCARD
+    .bdrv_aio_discard             = qemu_gluster_aio_discard,
+#endif
     .create_options               = qemu_gluster_create_options,
 };
 

diff --git a/block/raw.c b/block/raw.c
index ce104220060001f07dc5b36570d2008796edda1c..f1682d4f32a4e4f2f08565ee3352eeeb5e0c824e 100644 (file)
--- a/block/raw.c
+++ b/block/raw.c
@@ -42,6 +42,13 @@ static int coroutine_fn raw_co_is_allocated(BlockDriverState *bs,
     return bdrv_co_is_allocated(bs->file, sector_num, nb_sectors, pnum);
 }
 
+static int coroutine_fn raw_co_write_zeroes(BlockDriverState *bs,
+                                            int64_t sector_num,
+                                            int nb_sectors)
+{
+    return bdrv_co_write_zeroes(bs->file, sector_num, nb_sectors);
+}
+
 static int64_t raw_getlength(BlockDriverState *bs)
 {
     return bdrv_getlength(bs->file);
@@ -114,6 +121,11 @@ static int raw_has_zero_init(BlockDriverState *bs)
     return bdrv_has_zero_init(bs->file);
 }
 
+static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
+{
+    return bdrv_get_info(bs->file, bdi);
+}
+
 static BlockDriver bdrv_raw = {
     .format_name        = "raw",
 
@@ -128,10 +140,12 @@ static BlockDriver bdrv_raw = {
     .bdrv_co_readv          = raw_co_readv,
     .bdrv_co_writev         = raw_co_writev,
     .bdrv_co_is_allocated   = raw_co_is_allocated,
+    .bdrv_co_write_zeroes   = raw_co_write_zeroes,
     .bdrv_co_discard        = raw_co_discard,
 
     .bdrv_probe         = raw_probe,
     .bdrv_getlength     = raw_getlength,
+    .bdrv_get_info      = raw_get_info,
     .bdrv_truncate      = raw_truncate,
 
     .bdrv_is_inserted   = raw_is_inserted,

diff --git a/block/vvfat.c b/block/vvfat.c
index 87b02799d0b658961764cbcea12d397724a722ae..cd3b8edd9f5938e8e89b2aadec471ec9bb9c5ca3 100644 (file)
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1164,8 +1164,8 @@ DLOG(if (stderr == NULL) {
     s->sector_count = cyls * heads * secs - (s->first_sectors_number - 1);
 
     if (qemu_opt_get_bool(opts, "rw", false)) {
-        if (enable_write_target(s)) {
-            ret = -EIO;
+        ret = enable_write_target(s);
+        if (ret < 0) {
             goto fail;
         }
         bs->read_only = 0;
@@ -2917,9 +2917,7 @@ static int enable_write_target(BDRVVVFATState *s)
     s->qcow_filename = g_malloc(1024);
     ret = get_tmp_filename(s->qcow_filename, 1024);
     if (ret < 0) {
-        g_free(s->qcow_filename);
-        s->qcow_filename = NULL;
-        return ret;
+        goto err;
     }
 
     bdrv_qcow = bdrv_find_format("qcow");
@@ -2927,18 +2925,18 @@ static int enable_write_target(BDRVVVFATState *s)
     set_option_parameter_int(options, BLOCK_OPT_SIZE, s->sector_count * 512);
     set_option_parameter(options, BLOCK_OPT_BACKING_FILE, "fat:");
 
-    if (bdrv_create(bdrv_qcow, s->qcow_filename, options) < 0)
-       return -1;
+    ret = bdrv_create(bdrv_qcow, s->qcow_filename, options);
+    if (ret < 0) {
+        goto err;
+    }
 
     s->qcow = bdrv_new("");
-    if (s->qcow == NULL) {
-        return -1;
-    }
 
     ret = bdrv_open(s->qcow, s->qcow_filename, NULL,
             BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH, bdrv_qcow);
     if (ret < 0) {
-       return ret;
+        bdrv_delete(s->qcow);
+        goto err;
     }
 
 #ifndef _WIN32
@@ -2951,6 +2949,11 @@ static int enable_write_target(BDRVVVFATState *s)
     *(void**)s->bs->backing_hd->opaque = s;
 
     return 0;
+
+err:
+    g_free(s->qcow_filename);
+    s->qcow_filename = NULL;
+    return ret;
 }
 
 static void vvfat_close(BlockDriverState *bs)

diff --git a/configure b/configure
index 9e1cd1975a8a2750ad34c7e3ea4db9f7d7d37f6c..7c45db2fddb2d1e667b0aff2357f892d15118451 100755 (executable)
--- a/configure
+++ b/configure
@@ -237,6 +237,7 @@ libiscsi=""
 coroutine=""
 seccomp=""
 glusterfs=""
+glusterfs_discard="no"
 virtio_blk_data_plane=""
 gtk=""
 gtkabi="2.0"
@@ -2570,23 +2571,21 @@ fi
 ##########################################
 # glusterfs probe
 if test "$glusterfs" != "no" ; then
-  cat > $TMPC <<EOF
-#include <glusterfs/api/glfs.h>
-int main(void) {
-    (void) glfs_new("volume");
-    return 0;
-}
-EOF
-  glusterfs_libs="-lgfapi -lgfrpc -lgfxdr"
-  if compile_prog "" "$glusterfs_libs" ; then
-    glusterfs=yes
+  if $pkg_config --atleast-version=3 glusterfs-api >/dev/null 2>&1; then
+    glusterfs="yes"
+    glusterfs_cflags=`$pkg_config --cflags glusterfs-api 2>/dev/null`
+    glusterfs_libs=`$pkg_config --libs glusterfs-api 2>/dev/null`
+    CFLAGS="$CFLAGS $glusterfs_cflags"
     libs_tools="$glusterfs_libs $libs_tools"
     libs_softmmu="$glusterfs_libs $libs_softmmu"
+    if $pkg_config --atleast-version=5 glusterfs-api >/dev/null 2>&1; then
+      glusterfs_discard="yes"
+    fi
   else
     if test "$glusterfs" = "yes" ; then
       feature_not_found "GlusterFS backend support"
     fi
-    glusterfs=no
+    glusterfs="no"
   fi
 fi
 
@@ -3969,6 +3968,10 @@ if test "$glusterfs" = "yes" ; then
   echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
 fi
 
+if test "$glusterfs_discard" = "yes" ; then
+  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
+fi
+
 if test "$libssh2" = "yes" ; then
   echo "CONFIG_LIBSSH2=y" >> $config_host_mak
 fi

diff --git a/cpus.c b/cpus.c
index 8062cdd57ec770f7730c39792856d5d75f4bb5d7..2509eb5af317a8a77e0e055399e6e0a4f26cce8e 100644 (file)
--- a/cpus.c
+++ b/cpus.c
@@ -443,11 +443,12 @@ static int do_vm_stop(RunState state)
         pause_all_vcpus();
         runstate_set(state);
         vm_state_notify(0, state);
-        bdrv_drain_all();
-        ret = bdrv_flush_all();
         monitor_protocol_event(QEVENT_STOP, NULL);
     }
 
+    bdrv_drain_all();
+    ret = bdrv_flush_all();
+
     return ret;
 }
 
@@ -1126,7 +1127,9 @@ int vm_stop_force_state(RunState state)
         return vm_stop(state);
     } else {
         runstate_set(state);
-        return 0;
+        /* Make sure to return an error if the flush in a previous vm_stop()
+         * failed. */
+        return bdrv_flush_all();
     }
 }
 

diff --git a/hw/alpha/typhoon.c b/hw/alpha/typhoon.c
index 3d7a1cd8e84a839ede6c6b2ff7c1f5b426593a88..b7fb04406c34b5c4cbeda2dc78ee41cf1d63f7c9 100644 (file)
--- a/hw/alpha/typhoon.c
+++ b/hw/alpha/typhoon.c
@@ -693,7 +693,7 @@ PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus,
         AlphaCPU *cpu = cpus[i];
         s->cchip.cpu[i] = cpu;
         if (cpu != NULL) {
-            cpu->alarm_timer = qemu_new_timer_ns(rtc_clock,
+            cpu->alarm_timer = qemu_new_timer_ns(vm_clock,
                                                  typhoon_alarm_timer,
                                                  (void *)((uintptr_t)s + i));
         }

diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index 03566650c689281d7d2ffb83456999d4ccd12220..2faed43127ae8adf06b802ef3766ef63de518121 100644 (file)
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -537,7 +537,7 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
     /* Clean up guest notifier (irq) */
     k->set_guest_notifiers(qbus->parent, 1, false);
 
-    vring_teardown(&s->vring);
+    vring_teardown(&s->vring, s->vdev, 0);
     s->started = false;
     s->stopping = false;
 }

diff --git a/hw/misc/slavio_misc.c b/hw/misc/slavio_misc.c
index d274fb4a87ddb3b01bc20d0d3d22b9d176367f4a..00d9542c0b7b7b568a071620be3e3f88d26e4cf7 100644 (file)
--- a/hw/misc/slavio_misc.c
+++ b/hw/misc/slavio_misc.c
@@ -368,7 +368,7 @@ static void slavio_led_mem_writew(void *opaque, hwaddr addr,
 {
     MiscState *s = opaque;
 
-    trace_slavio_led_mem_readw(val & 0xffff);
+    trace_slavio_led_mem_writew(val & 0xffff);
     switch (addr) {
     case 0:
         s->leds = val;

diff --git a/hw/net/milkymist-minimac2.c b/hw/net/milkymist-minimac2.c
index 2ef4ac3299c0c1e31fb26950168424b9573bf9a7..becd26c5d5b2072612b578063c94b31070d465c1 100644 (file)
--- a/hw/net/milkymist-minimac2.c
+++ b/hw/net/milkymist-minimac2.c
@@ -355,7 +355,7 @@ minimac2_write(void *opaque, hwaddr addr, uint64_t value,
 {
     MilkymistMinimac2State *s = opaque;
 
-    trace_milkymist_minimac2_memory_read(addr, value);
+    trace_milkymist_minimac2_memory_write(addr, value);
 
     addr >>= 2;
     switch (addr) {

diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index e0d6e8362509448691cb95085d13479d98549039..82cc151b172d7ea7044fd475f39c32a4a879a57d 100644 (file)
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -39,8 +39,8 @@ bool vring_setup(Vring *vring, VirtIODevice *vdev, int n)
 
     vring_init(&vring->vr, virtio_queue_get_num(vdev, n), vring_ptr, 4096);
 
-    vring->last_avail_idx = 0;
-    vring->last_used_idx = 0;
+    vring->last_avail_idx = virtio_queue_get_last_avail_idx(vdev, n);
+    vring->last_used_idx = vring->vr.used->idx;
     vring->signalled_used = 0;
     vring->signalled_used_valid = false;
 
@@ -49,8 +49,10 @@ bool vring_setup(Vring *vring, VirtIODevice *vdev, int n)
     return true;
 }
 
-void vring_teardown(Vring *vring)
+void vring_teardown(Vring *vring, VirtIODevice *vdev, int n)
 {
+    virtio_queue_set_last_avail_idx(vdev, n, vring->last_avail_idx);
+
     hostmem_finalize(&vring->hostmem);
 }
 

diff --git a/include/block/aio.h b/include/block/aio.h
index 183679374fa5bbde66f0bde067fb74e618f8bdf0..cc77771c4696747ce48eecb2dc6eef1f32a27c29 100644 (file)
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -17,6 +17,7 @@
 #include "qemu-common.h"
 #include "qemu/queue.h"
 #include "qemu/event_notifier.h"
+#include "qemu/thread.h"
 
 typedef struct BlockDriverAIOCB BlockDriverAIOCB;
 typedef void BlockDriverCompletionFunc(void *opaque, int ret);
@@ -53,6 +54,8 @@ typedef struct AioContext {
      */
     int walking_handlers;
 
+    /* lock to protect between bh's adders and deleter */
+    QemuMutex bh_lock;
     /* Anchor of the list of Bottom Halves belonging to the context */
     struct QEMUBH *first_bh;
 
@@ -127,6 +130,8 @@ void aio_notify(AioContext *ctx);
  * aio_bh_poll: Poll bottom halves for an AioContext.
  *
  * These are internal functions used by the QEMU main loop.
+ * And notice that multiple occurrences of aio_bh_poll cannot
+ * be called concurrently
  */
 int aio_bh_poll(AioContext *ctx);
 
@@ -163,6 +168,8 @@ void qemu_bh_cancel(QEMUBH *bh);
  * Deleting a bottom half frees the memory that was allocated for it by
  * qemu_bh_new.  It also implies canceling the bottom half if it was
  * scheduled.
+ * This func is async. The bottom half will do the delete action at the finial
+ * end.
  *
  * @bh: The bottom half to be deleted.
  */

diff --git a/include/block/block.h b/include/block/block.h
index b6b9014a9ce9392869eb547ec9fcd241fea8cd03..742fce5f7f8a35339fd94d7fa31356b6c101efb3 100644 (file)
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -157,6 +157,8 @@ int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
                           uint8_t *buf, int nb_sectors);
 int bdrv_write(BlockDriverState *bs, int64_t sector_num,
                const uint8_t *buf, int nb_sectors);
+int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num,
+               int nb_sectors);
 int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov);
 int bdrv_pread(BlockDriverState *bs, int64_t offset,
                void *buf, int count);

diff --git a/include/hw/virtio/dataplane/vring.h b/include/hw/virtio/dataplane/vring.h
index 9380cb54133e67d9fc8b9f8c44c4259ddd39f960..c0b69ff18f818ac150d44ef48fbea796c2386c4f 100644 (file)
--- a/include/hw/virtio/dataplane/vring.h
+++ b/include/hw/virtio/dataplane/vring.h
@@ -50,7 +50,7 @@ static inline void vring_set_broken(Vring *vring)
 }
 
 bool vring_setup(Vring *vring, VirtIODevice *vdev, int n);
-void vring_teardown(Vring *vring);
+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);

diff --git a/include/migration/migration.h b/include/migration/migration.h
index bc9fde0b2ab612aa71f982c6574f7be04bceec81..701709a1e9a431d016d89c8f56e87d02bce96a85 100644 (file)
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -124,6 +124,7 @@ void migrate_add_blocker(Error *reason);
 void migrate_del_blocker(Error *reason);
 
 bool migrate_rdma_pin_all(void);
+bool migrate_zero_blocks(void);
 
 bool migrate_auto_converge(void);
 

diff --git a/migration.c b/migration.c
index 9f5a4230d1ddd422f94b7fd335c9e8e19faccc50..a9c042186d0f6e9730abd08c5b2097ea87ec5acc 100644 (file)
--- a/migration.c
+++ b/migration.c
@@ -493,6 +493,15 @@ bool migrate_auto_converge(void)
     return s->enabled_capabilities[MIGRATION_CAPABILITY_AUTO_CONVERGE];
 }
 
+bool migrate_zero_blocks(void)
+{
+    MigrationState *s;
+
+    s = migrate_get_current();
+
+    return s->enabled_capabilities[MIGRATION_CAPABILITY_ZERO_BLOCKS];
+}
+
 int migrate_use_xbzrle(void)
 {
     MigrationState *s;

diff --git a/pc-bios/README b/pc-bios/README
index 030d92a049b9cc9af00e3a28712f76a635f98237..53b52894f7330fe5a6f430ac979f6bb67d340c20 100644 (file)
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -40,4 +40,4 @@
   git://repo.or.cz/s390-tools.git
 
 - The sources for the Alpha palcode image is available from:
-  git://repo.or.cz/qemu-palcode.git
+  git://github.com/rth7680/qemu-palcode.git

diff --git a/pc-bios/palcode-clipper b/pc-bios/palcode-clipper
index a92372c107af72071e265e1ca94b9ae5573bd317..9956340cd18552a1f694ee2fa1f1986cd0650b13 100755 (executable)
Binary files a/pc-bios/palcode-clipper and b/pc-bios/palcode-clipper differ

diff --git a/qapi-schema.json b/qapi-schema.json
index 8d33d527d359344a3a49d5f5350f2a549a5a893a..592bb9c7a1427a5ef3330fcb243f97d3224549ed 100644 (file)
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -613,10 +613,16 @@
 #          Disabled by default. Experimental: may (or may not) be renamed after
 #          further testing is complete. (since 1.6)
 #
+# @zero-blocks: During storage migration encode blocks of zeroes efficiently. This
+#          essentially saves 1MB of zeroes per block on the wire. Enabling requires
+#          source and target VM to support this feature. To enable it is sufficient
+#          to enable the capability on the source VM. The feature is disabled by
+#          default. (since 1.6)
+#
 # Since: 1.2
 ##
 { 'enum': 'MigrationCapability',
-  'data': ['xbzrle', 'x-rdma-pin-all', 'auto-converge'] }
+  'data': ['xbzrle', 'x-rdma-pin-all', 'auto-converge', 'zero-blocks'] }
 
 ##
 # @MigrationCapabilityStatus

diff --git a/roms/qemu-palcode b/roms/qemu-palcode
index 7abb12f60eb3069019e9497e193733d77d8f0722..c87a92639b28ac42bc8f6c67443543b405dc479b 160000 (submodule)
--- a/roms/qemu-palcode
+++ b/roms/qemu-palcode
@@ -1 +1 @@
-Subproject commit 7abb12f60eb3069019e9497e193733d77d8f0722
+Subproject commit c87a92639b28ac42bc8f6c67443543b405dc479b

diff --git a/scripts/cleanup-trace-events.pl b/scripts/cleanup-trace-events.pl
new file mode 100755 (executable)
index 0000000..cffbf16
--- /dev/null
+++ b/scripts/cleanup-trace-events.pl
@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+# Copyright (C) 2013 Red Hat, Inc.
+#
+# Authors:
+#  Markus Armbruster <armbru@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.
+
+# Usage: cleanup-trace-events.pl trace-events
+#
+# Print cleaned up trace-events to standard output.
+
+use warnings;
+use strict;
+
+my $buf = '';
+my %seen = ();
+
+sub out {
+    print $buf;
+    $buf = '';
+    %seen = ();
+}
+
+while (<>) {
+    if (/^(disable )?([a-z_0-9]+)\(/) {
+        open GREP, '-|', 'git', 'grep', '-l', "trace_$2"
+            or die "run git grep: $!";
+        my $fname;
+        while ($fname = <GREP>) {
+            chomp $fname;
+            next if $seen{$fname} || $fname eq 'trace-events';
+            $seen{$fname} = 1;
+            $buf = "# $fname\n" . $buf;
+        }
+        unless (close GREP) {
+            die "close git grep: $!"
+                if $!;
+            next;
+        }
+    } elsif (/^# ([^ ]*\.[ch])$/) {
+        out;
+        next;
+    } elsif (!/^#|^$/) {
+        warn "unintelligible line";
+    }
+    $buf .= $_;
+}
+
+out;

diff --git a/target-alpha/helper.h b/target-alpha/helper.h
index 3321fde916863615db10fe546dab82a083e18932..0e425cfc0840a08ac4c44b507ee5b92f227e4725 100644 (file)
--- a/target-alpha/helper.h
+++ b/target-alpha/helper.h
@@ -114,7 +114,8 @@ DEF_HELPER_FLAGS_2(tbis, TCG_CALL_NO_RWG, void, env, i64)
 
 DEF_HELPER_1(halt, void, i64);
 
-DEF_HELPER_FLAGS_0(get_time, TCG_CALL_NO_RWG, i64)
+DEF_HELPER_FLAGS_0(get_vmtime, TCG_CALL_NO_RWG, i64)
+DEF_HELPER_FLAGS_0(get_walltime, TCG_CALL_NO_RWG, i64)
 DEF_HELPER_FLAGS_2(set_alarm, TCG_CALL_NO_RWG, void, env, i64)
 #endif
 

diff --git a/target-alpha/sys_helper.c b/target-alpha/sys_helper.c
index 339501af90fc80b64a117e36fff8470c96a7da09..bd94597d363dfffce314c71fd27fd90a5fc49f04 100644 (file)
--- a/target-alpha/sys_helper.c
+++ b/target-alpha/sys_helper.c
@@ -70,7 +70,12 @@ void helper_halt(uint64_t restart)
     }
 }
 
-uint64_t helper_get_time(void)
+uint64_t helper_get_vmtime(void)
+{
+    return qemu_get_clock_ns(vm_clock);
+}
+
+uint64_t helper_get_walltime(void)
 {
     return qemu_get_clock_ns(rtc_clock);
 }

diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index dd7f0fbf9420add1bc9cc34e4873a8678753bbbd..5558b728dd104dd8ad4ffa1b876c332e87b1b39d 100644 (file)
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -1634,15 +1634,19 @@ static ExitStatus gen_mfpr(int ra, int regno)
         return NO_EXIT;
     }
 
-    if (regno == 250) {
-        /* WALL_TIME */
+    /* Special help for VMTIME and WALLTIME.  */
+    if (regno == 250 || regno == 249) {
+       void (*helper)(TCGv) = gen_helper_get_walltime;
+       if (regno == 249) {
+               helper = gen_helper_get_vmtime;
+       }
         if (use_icount) {
             gen_io_start();
-            gen_helper_get_time(cpu_ir[ra]);
+            helper(cpu_ir[ra]);
             gen_io_end();
             return EXIT_PC_STALE;
         } else {
-            gen_helper_get_time(cpu_ir[ra]);
+            helper(cpu_ir[ra]);
             return NO_EXIT;
         }
     }

diff --git a/trace-events b/trace-events
index 7f6d9625a7371bf5bcab3f3e46ed8e21e906216a..002df83b9d424f9a1b4b3e77629256f5f896369a 100644 (file)
--- a/trace-events
+++ b/trace-events
@@ -25,18 +25,14 @@
 #
 # The <format-string> should be a sprintf()-compatible format string.
 
-# qemu-malloc.c
-g_malloc(size_t size, void *ptr) "size %zu ptr %p"
-g_realloc(void *ptr, size_t size, void *newptr) "ptr %p size %zu newptr %p"
-g_free(void *ptr) "ptr %p"
-
-# osdep.c
+# util/oslib-win32.c
+# util/oslib-posix.c
 qemu_memalign(size_t alignment, size_t size, void *ptr) "alignment %zu size %zu ptr %p"
 qemu_anon_ram_alloc(size_t size, void *ptr) "size %zu ptr %p"
 qemu_vfree(void *ptr) "ptr %p"
 qemu_anon_ram_free(void *ptr, size_t size) "ptr %p size %zu"
 
-# hw/virtio.c
+# hw/virtio/virtio.c
 virtqueue_fill(void *vq, const void *elem, unsigned int len, unsigned int idx) "vq %p elem %p len %u idx %u"
 virtqueue_flush(void *vq, unsigned int count) "vq %p count %u"
 virtqueue_pop(void *vq, void *elem, unsigned int in_num, unsigned int out_num) "vq %p elem %p in_num %u out_num %u"
@@ -45,13 +41,13 @@ virtio_irq(void *vq) "vq %p"
 virtio_notify(void *vdev, void *vq) "vdev %p vq %p"
 virtio_set_status(void *vdev, uint8_t val) "vdev %p val %u"
 
-# hw/virtio-serial-bus.c
+# hw/char/virtio-serial-bus.c
 virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u"
 virtio_serial_throttle_port(unsigned int port, bool throttle) "port %u, throttle %d"
 virtio_serial_handle_control_message(uint16_t event, uint16_t value) "event %u, value %u"
 virtio_serial_handle_control_message_port(unsigned int port) "port %u"
 
-# hw/virtio-console.c
+# hw/char/virtio-console.c
 virtio_console_flush_buf(unsigned int port, size_t len, ssize_t ret) "port %u, in_len %zu, out_len %zd"
 virtio_console_chr_read(unsigned int port, int size) "port %u, size %d"
 virtio_console_chr_event(unsigned int port, int event) "port %u, event %d"
@@ -75,6 +71,8 @@ bdrv_co_do_copy_on_readv(void *bs, int64_t sector_num, int nb_sectors, int64_t c
 # block/stream.c
 stream_one_iteration(void *s, int64_t sector_num, int nb_sectors, int is_allocated) "s %p sector_num %"PRId64" nb_sectors %d is_allocated %d"
 stream_start(void *bs, void *base, void *s, void *co, void *opaque) "bs %p base %p s %p co %p opaque %p"
+
+# block/commit.c
 commit_one_iteration(void *s, int64_t sector_num, int nb_sectors, int is_allocated) "s %p sector_num %"PRId64" nb_sectors %d is_allocated %d"
 commit_start(void *bs, void *base, void *top, void *s, void *co, void *opaque) "bs %p base %p top %p s %p co %p opaque %p"
 
@@ -85,7 +83,6 @@ mirror_before_flush(void *s) "s %p"
 mirror_before_drain(void *s, int64_t cnt) "s %p dirty count %"PRId64
 mirror_before_sleep(void *s, int64_t cnt, int synced) "s %p dirty count %"PRId64" synced %d"
 mirror_one_iteration(void *s, int64_t sector_num, int nb_sectors) "s %p sector_num %"PRId64" nb_sectors %d"
-mirror_cow(void *s, int64_t sector_num) "s %p sector_num %"PRId64
 mirror_iteration_done(void *s, int64_t sector_num, int nb_sectors, int ret) "s %p sector_num %"PRId64" nb_sectors %d ret %d"
 mirror_yield(void *s, int64_t cnt, int buf_free_count, int in_flight) "s %p dirty count %"PRId64" free buffers %d in_flight %d"
 mirror_yield_in_flight(void *s, int64_t sector_num, int in_flight) "s %p sector_num %"PRId64" in_flight %d"
@@ -108,19 +105,19 @@ qmp_block_job_complete(void *job) "job %p"
 block_job_cb(void *bs, void *job, int ret) "bs %p job %p ret %d"
 qmp_block_stream(void *bs, void *job) "bs %p job %p"
 
-# hw/virtio-blk.c
+# hw/block/virtio-blk.c
 virtio_blk_req_complete(void *req, int status) "req %p status %d"
 virtio_blk_rw_complete(void *req, int ret) "req %p ret %d"
 virtio_blk_handle_write(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu"
 virtio_blk_handle_read(void *req, uint64_t sector, size_t nsectors) "req %p sector %"PRIu64" nsectors %zu"
 
-# hw/dataplane/virtio-blk.c
+# hw/block/dataplane/virtio-blk.c
 virtio_blk_data_plane_start(void *s) "dataplane %p"
 virtio_blk_data_plane_stop(void *s) "dataplane %p"
 virtio_blk_data_plane_process_request(void *s, unsigned int out_num, unsigned int in_num, unsigned int head) "dataplane %p out_num %u in_num %u head %u"
 virtio_blk_data_plane_complete_request(void *s, unsigned int head, int ret) "dataplane %p head %u ret %d"
 
-# hw/dataplane/vring.c
+# hw/virtio/dataplane/vring.c
 vring_setup(uint64_t physical, void *desc, void *avail, void *used) "vring physical %#"PRIx64" desc %p avail %p used %p"
 
 # thread-pool.c
@@ -128,10 +125,9 @@ thread_pool_submit(void *pool, void *req, void *opaque) "pool %p req %p opaque %
 thread_pool_complete(void *pool, void *req, void *opaque, int ret) "pool %p req %p opaque %p ret %d"
 thread_pool_cancel(void *req, void *opaque) "req %p opaque %p"
 
-# posix-aio-compat.c
+# block/raw-win32.c
+# block/raw-posix.c
 paio_submit(void *acb, void *opaque, int64_t sector_num, int nb_sectors, int type) "acb %p opaque %p sector_num %"PRId64" nb_sectors %d type %d"
-paio_complete(void *acb, void *opaque, int ret) "acb %p opaque %p ret %d"
-paio_cancel(void *acb, void *opaque) "acb %p opaque %p"
 
 # ioport.c
 cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u"
@@ -141,29 +137,31 @@ cpu_out(unsigned int addr, unsigned int val) "addr %#x value %u"
 # Since requests are raised via monitor, not many tracepoints are needed.
 balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"
 
-# hw/apic.c
-apic_local_deliver(int vector, uint32_t lvt) "vector %d delivery mode %d"
-apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t trigger_mode) "dest %d dest_mode %d delivery_mode %d vector %d trigger_mode %d"
+# hw/intc/apic_common.c
 cpu_set_apic_base(uint64_t val) "%016"PRIx64
 cpu_get_apic_base(uint64_t val) "%016"PRIx64
-apic_mem_readl(uint64_t addr, uint32_t val)  "%"PRIx64" = %08x"
-apic_mem_writel(uint64_t addr, uint32_t val) "%"PRIx64" = %08x"
 # coalescing
 apic_report_irq_delivered(int apic_irq_delivered) "coalescing %d"
 apic_reset_irq_delivered(int apic_irq_delivered) "old coalescing %d"
 apic_get_irq_delivered(int apic_irq_delivered) "returning coalescing %d"
 
-# hw/cs4231.c
+# hw/intc/apic.c
+apic_local_deliver(int vector, uint32_t lvt) "vector %d delivery mode %d"
+apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t trigger_mode) "dest %d dest_mode %d delivery_mode %d vector %d trigger_mode %d"
+apic_mem_readl(uint64_t addr, uint32_t val)  "%"PRIx64" = %08x"
+apic_mem_writel(uint64_t addr, uint32_t val) "%"PRIx64" = %08x"
+
+# hw/audio/cs4231.c
 cs4231_mem_readl_dreg(uint32_t reg, uint32_t ret) "read dreg %d: 0x%02x"
 cs4231_mem_readl_reg(uint32_t reg, uint32_t ret) "read reg %d: 0x%08x"
 cs4231_mem_writel_reg(uint32_t reg, uint32_t old, uint32_t val) "write reg %d: 0x%08x -> 0x%08x"
 cs4231_mem_writel_dreg(uint32_t reg, uint32_t old, uint32_t val) "write dreg %d: 0x%02x -> 0x%02x"
 
-# hw/ds1225y.c
+# hw/nvram/ds1225y.c
 nvram_read(uint32_t addr, uint32_t ret) "read addr %d: 0x%02x"
 nvram_write(uint32_t addr, uint32_t old, uint32_t val) "write addr %d: 0x%02x -> 0x%02x"
 
-# hw/eccmemctl.c
+# hw/misc/eccmemctl.c
 ecc_mem_writel_mer(uint32_t val) "Write memory enable %08x"
 ecc_mem_writel_mdr(uint32_t val) "Write memory delay %08x"
 ecc_mem_writel_mfsr(uint32_t val) "Write memory fault status %08x"
@@ -183,26 +181,26 @@ ecc_mem_readl_ecr1(uint32_t ret) "Read event count 2 %08x"
 ecc_diag_mem_writeb(uint64_t addr, uint32_t val) "Write diagnostic %"PRId64" = %02x"
 ecc_diag_mem_readb(uint64_t addr, uint32_t ret) "Read diagnostic %"PRId64"= %02x"
 
-# hw/fw_cfg.c
+# hw/nvram/fw_cfg.c
 fw_cfg_write(void *s, uint8_t value) "%p %d"
 fw_cfg_select(void *s, uint16_t key, int ret) "%p key %d = %d"
 fw_cfg_read(void *s, uint8_t ret) "%p = %d"
 fw_cfg_add_file_dupe(void *s, char *name) "%p %s"
 fw_cfg_add_file(void *s, int index, char *name, size_t len) "%p #%d: %s (%zd bytes)"
 
-# hw/hd-geometry.c
+# hw/block/hd-geometry.c
 hd_geometry_lchs_guess(void *bs, int cyls, int heads, int secs) "bs %p LCHS %d %d %d"
 hd_geometry_guess(void *bs, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "bs %p CHS %u %u %u trans %d"
 
-# hw/jazz-led.c
+# hw/display/jazz_led.c
 jazz_led_read(uint64_t addr, uint8_t val) "read addr=0x%"PRIx64": 0x%x"
 jazz_led_write(uint64_t addr, uint8_t new) "write addr=0x%"PRIx64": 0x%x"
 
-# hw/lance.c
+# hw/net/lance.c
 lance_mem_readw(uint64_t addr, uint32_t ret) "addr=%"PRIx64"val=0x%04x"
 lance_mem_writew(uint64_t addr, uint32_t val) "addr=%"PRIx64"val=0x%04x"
 
-# hw/slavio_intctl.c
+# hw/intc/slavio_intctl.c
 slavio_intctl_mem_readl(uint32_t cpu, uint64_t addr, uint32_t ret) "read cpu %d reg 0x%"PRIx64" = %x"
 slavio_intctl_mem_writel(uint32_t cpu, uint64_t addr, uint32_t val) "write cpu %d reg 0x%"PRIx64" = %x"
 slavio_intctl_mem_writel_clear(uint32_t cpu, uint32_t val, uint32_t intreg_pending) "Cleared cpu %d irq mask %x, curmask %x"
@@ -216,7 +214,7 @@ slavio_check_interrupts(uint32_t pending, uint32_t intregm_disabled) "pending %x
 slavio_set_irq(uint32_t target_cpu, int irq, uint32_t pil, int level) "Set cpu %d irq %d -> pil %d level %d"
 slavio_set_timer_irq_cpu(int cpu, int level) "Set cpu %d local timer level %d"
 
-# hw/slavio_misc.c
+# hw/misc/slavio_misc.c
 slavio_misc_update_irq_raise(void) "Raise IRQ"
 slavio_misc_update_irq_lower(void) "Lower IRQ"
 slavio_set_power_fail(int power_failing, uint8_t config) "Power fail: %d, config: %d"
@@ -237,7 +235,7 @@ slavio_sysctrl_mem_readl(uint32_t ret) "Read system control %08x"
 slavio_led_mem_writew(uint32_t val) "Write diagnostic LED %04x"
 slavio_led_mem_readw(uint32_t ret) "Read diagnostic LED %04x"
 
-# hw/slavio_timer.c
+# hw/timer/slavio_timer.c
 slavio_timer_get_out(uint64_t limit, uint32_t counthigh, uint32_t count) "limit %"PRIx64" count %x%08x"
 slavio_timer_irq(uint32_t counthigh, uint32_t count) "callback: count %x%08x"
 slavio_timer_mem_readl_invalid(uint64_t addr) "invalid read address %"PRIx64
@@ -252,7 +250,7 @@ slavio_timer_mem_writel_mode_counter(unsigned int timer_index) "processor %d cha
 slavio_timer_mem_writel_mode_invalid(void) "not system timer"
 slavio_timer_mem_writel_invalid(uint64_t addr) "invalid write address %"PRIx64
 
-# hw/sparc32_dma.c
+# hw/dma/sparc32_dma.c
 ledma_memory_read(uint64_t addr) "DMA read addr 0x%"PRIx64
 ledma_memory_write(uint64_t addr) "DMA write addr 0x%"PRIx64
 sparc32_dma_set_irq_raise(void) "Raise IRQ"
@@ -264,13 +262,13 @@ sparc32_dma_mem_writel(uint64_t addr, uint32_t old, uint32_t val) "write dmareg
 sparc32_dma_enable_raise(void) "Raise DMA enable"
 sparc32_dma_enable_lower(void) "Lower DMA enable"
 
-# hw/sun4m.c
+# hw/sparc/sun4m.c
 sun4m_cpu_interrupt(unsigned int level) "Set CPU IRQ %d"
 sun4m_cpu_reset_interrupt(unsigned int level) "Reset CPU IRQ %d"
 sun4m_cpu_set_irq_raise(int level) "Raise CPU IRQ %d"
 sun4m_cpu_set_irq_lower(int level) "Lower CPU IRQ %d"
 
-# hw/sun4m_iommu.c
+# hw/dma/sun4m_iommu.c
 sun4m_iommu_mem_readl(uint64_t addr, uint32_t ret) "read reg[%"PRIx64"] = %x"
 sun4m_iommu_mem_writel(uint64_t addr, uint32_t val) "write reg[%"PRIx64"] = %x"
 sun4m_iommu_mem_writel_ctrl(uint64_t iostart) "iostart = %"PRIx64
@@ -311,7 +309,6 @@ usb_ehci_sitd(uint32_t addr, uint32_t nxt, uint32_t active) "ITD @ %08x: next %0
 usb_ehci_port_attach(uint32_t port, const char *owner, const char *device) "attach port #%d, owner %s, device %s"
 usb_ehci_port_detach(uint32_t port, const char *owner) "detach port #%d, owner %s"
 usb_ehci_port_reset(uint32_t port, int enable) "reset port #%d - %d"
-usb_ehci_data(int rw, uint32_t cpage, uint32_t offset, uint32_t addr, uint32_t len, uint32_t bufpos) "write %d, cpage %d, offset 0x%03x, addr 0x%08x, len %d, bufpos %d"
 usb_ehci_queue_action(void *q, const char *action) "q %p: %s"
 usb_ehci_packet_action(void *q, void *p, const char *action) "q %p p %p: %s"
 usb_ehci_irq(uint32_t level, uint32_t frindex, uint32_t sts, uint32_t mask) "level %d, frindex 0x%04x, sts 0x%x, mask 0x%x"
@@ -429,6 +426,7 @@ usb_uas_tmf_logical_unit_reset(int addr, uint16_t tag, int lun) "dev %d, tag 0x%
 usb_uas_tmf_unsupported(int addr, uint16_t tag, uint32_t function) "dev %d, tag 0x%x, function 0x%x"
 
 # hw/usb/host-linux.c
+# hw/usb/host-libusb.c
 usb_host_open_started(int bus, int addr) "dev %d:%d"
 usb_host_open_success(int bus, int addr) "dev %d:%d"
 usb_host_open_failure(int bus, int addr) "dev %d:%d"
@@ -468,7 +466,7 @@ usb_host_parse_endpoint(int bus, int addr, int ep, const char *dir, const char *
 usb_host_parse_unknown(int bus, int addr, int len, int type) "dev %d:%d, len %d, type %d"
 usb_host_parse_error(int bus, int addr, const char *errmsg) "dev %d:%d, msg %s"
 
-# hw/scsi-bus.c
+# hw/scsi/scsi-bus.c
 scsi_req_alloc(int target, int lun, int tag) "target %d lun %d tag %d"
 scsi_req_cancel(int target, int lun, int tag) "target %d lun %d tag %d"
 scsi_req_data(int target, int lun, int tag, int len) "target %d lun %d tag %d len %d"
@@ -490,6 +488,9 @@ scsi_request_sense(int target, int lun, int tag) "target %d lun %d tag %d"
 vm_state_notify(int running, int reason) "running %d reason %d"
 load_file(const char *name, const char *path) "name %s location %s"
 runstate_set(int new_state) "new state %d"
+g_malloc(size_t size, void *ptr) "size %zu ptr %p"
+g_realloc(void *ptr, size_t size, void *newptr) "ptr %p size %zu newptr %p"
+g_free(void *ptr) "ptr %p"
 
 # block/qcow2.c
 qcow2_writev_start_req(void *co, int64_t sector, int nb_sectors) "co %p sector %" PRIx64 " nb_sectors %d"
@@ -498,6 +499,7 @@ qcow2_writev_start_part(void *co) "co %p"
 qcow2_writev_done_part(void *co, int cur_nr_sectors) "co %p cur_nr_sectors %d"
 qcow2_writev_data(void *co, uint64_t offset) "co %p offset %" PRIx64
 
+# block/qcow2-cluster.c
 qcow2_alloc_clusters_offset(void *co, uint64_t offset, int n_start, int n_end) "co %p offet %" PRIx64 " n_start %d n_end %d"
 qcow2_handle_copied(void *co, uint64_t guest_offset, uint64_t host_offset, uint64_t bytes) "co %p guest_offet %" PRIx64 " host_offset %" PRIx64 " bytes %" PRIx64
 qcow2_handle_alloc(void *co, uint64_t guest_offset, uint64_t host_offset, uint64_t bytes) "co %p guest_offet %" PRIx64 " host_offset %" PRIx64 " bytes %" PRIx64
@@ -511,6 +513,7 @@ qcow2_l2_allocate_write_l2(void *bs, int l1_index) "bs %p l1_index %d"
 qcow2_l2_allocate_write_l1(void *bs, int l1_index) "bs %p l1_index %d"
 qcow2_l2_allocate_done(void *bs, int l1_index, int ret) "bs %p l1_index %d ret %d"
 
+# block/qcow2-cache.c
 qcow2_cache_get(void *co, int c, uint64_t offset, bool read_from_disk) "co %p is_l2_cache %d offset %" PRIx64 " read_from_disk %d"
 qcow2_cache_get_replace_entry(void *co, int c, int i) "co %p is_l2_cache %d index %d"
 qcow2_cache_get_read(void *co, int c, int i) "co %p is_l2_cache %d index %d"
@@ -542,11 +545,11 @@ qed_aio_write_prefill(void *s, void *acb, uint64_t start, size_t len, uint64_t o
 qed_aio_write_postfill(void *s, void *acb, uint64_t start, size_t len, uint64_t offset) "s %p acb %p start %"PRIu64" len %zu offset %"PRIu64
 qed_aio_write_main(void *s, void *acb, int ret, uint64_t offset, size_t len) "s %p acb %p ret %d offset %"PRIu64" len %zu"
 
-# hw/g364fb.c
+# hw/display/g364fb.c
 g364fb_read(uint64_t addr, uint32_t val) "read addr=0x%"PRIx64": 0x%x"
 g364fb_write(uint64_t addr, uint32_t new) "write addr=0x%"PRIx64": 0x%x"
 
-# hw/grlib_gptimer.c
+# hw/timer/grlib_gptimer.c
 grlib_gptimer_enable(int id, uint32_t count) "timer:%d set count 0x%x and run"
 grlib_gptimer_disabled(int id, uint32_t config) "timer:%d Timer disable config 0x%x"
 grlib_gptimer_restart(int id, uint32_t reload) "timer:%d reload val: 0x%x"
@@ -555,19 +558,19 @@ grlib_gptimer_hit(int id) "timer:%d HIT"
 grlib_gptimer_readl(int id, uint64_t addr, uint32_t val) "timer:%d addr 0x%"PRIx64" 0x%x"
 grlib_gptimer_writel(int id, uint64_t addr, uint32_t val) "timer:%d addr 0x%"PRIx64" 0x%x"
 
-# hw/grlib_irqmp.c
+# hw/intc/grlib_irqmp.c
 grlib_irqmp_check_irqs(uint32_t pend, uint32_t force, uint32_t mask, uint32_t lvl1, uint32_t lvl2) "pend:0x%04x force:0x%04x mask:0x%04x lvl1:0x%04x lvl0:0x%04x"
 grlib_irqmp_ack(int intno) "interrupt:%d"
 grlib_irqmp_set_irq(int irq) "Raise CPU IRQ %d"
 grlib_irqmp_readl_unknown(uint64_t addr) "addr 0x%"PRIx64
 grlib_irqmp_writel_unknown(uint64_t addr, uint32_t value) "addr 0x%"PRIx64" value 0x%x"
 
-# hw/grlib_apbuart.c
+# hw/char/grlib_apbuart.c
 grlib_apbuart_event(int event) "event:%d"
 grlib_apbuart_writel_unknown(uint64_t addr, uint32_t value) "addr 0x%"PRIx64" value 0x%x"
 grlib_apbuart_readl_unknown(uint64_t addr) "addr 0x%"PRIx64""
 
-# hw/leon3.c
+# hw/sparc/leon3.c
 leon3_set_irq(int intno) "Set CPU IRQ %d"
 leon3_reset_irq(int intno) "Reset CPU IRQ %d"
 
@@ -578,7 +581,7 @@ spice_vmc_register_interface(void *scd) "spice vmc registered interface %p"
 spice_vmc_unregister_interface(void *scd) "spice vmc unregistered interface %p"
 spice_vmc_event(int event) "spice vmc event %d"
 
-# hw/lm32_pic.c
+# hw/intc/lm32_pic.c
 lm32_pic_raise_irq(void) "Raise CPU interrupt"
 lm32_pic_lower_irq(void) "Lower CPU interrupt"
 lm32_pic_interrupt(int irq, int level) "Set IRQ%d %d"
@@ -587,27 +590,27 @@ lm32_pic_set_ip(uint32_t ip) "ip 0x%08x"
 lm32_pic_get_im(uint32_t im) "im 0x%08x"
 lm32_pic_get_ip(uint32_t ip) "ip 0x%08x"
 
-# hw/lm32_juart.c
+# hw/char/lm32_juart.c
 lm32_juart_get_jtx(uint32_t value) "jtx 0x%08x"
 lm32_juart_set_jtx(uint32_t value) "jtx 0x%08x"
 lm32_juart_get_jrx(uint32_t value) "jrx 0x%08x"
 lm32_juart_set_jrx(uint32_t value) "jrx 0x%08x"
 
-# hw/lm32_timer.c
+# hw/timer/lm32_timer.c
 lm32_timer_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
 lm32_timer_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
 lm32_timer_hit(void) "timer hit"
 lm32_timer_irq_state(int level) "irq state %d"
 
-# hw/lm32_uart.c
+# hw/char/lm32_uart.c
 lm32_uart_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
 lm32_uart_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
 lm32_uart_irq_state(int level) "irq state %d"
 
-# hw/lm32_sys.c
+# hw/misc/lm32_sys.c
 lm32_sys_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
 
-# hw/megasas.c
+# hw/scsi/megasas.c
 megasas_init_firmware(uint64_t pa) "pa %" PRIx64 " "
 megasas_init_queue(uint64_t queue_pa, int queue_len, uint64_t head, uint64_t tail, uint32_t flags) "queue at %" PRIx64 " len %d head %" PRIx64 " tail %" PRIx64 " flags %x"
 megasas_initq_map_failed(int frame) "scmd %d: failed to map queue"
@@ -617,11 +620,9 @@ megasas_qf_new(unsigned int index, void *cmd) "return new frame %x cmd %p"
 megasas_qf_failed(unsigned long pa) "all frames busy for frame %lx"
 megasas_qf_enqueue(unsigned int index, unsigned int count, uint64_t context, unsigned int tail, int busy) "enqueue frame %x count %d context %" PRIx64 " tail %x busy %d"
 megasas_qf_update(unsigned int head, unsigned int busy) "update reply queue head %x busy %d"
-megasas_qf_dequeue(unsigned int index) "dequeue frame %x"
 megasas_qf_map_failed(int cmd, unsigned long frame) "scmd %d: frame %lu"
 megasas_qf_complete_noirq(uint64_t context) "context %" PRIx64 " "
 megasas_qf_complete(uint64_t context, unsigned int tail, unsigned int offset, int busy, unsigned int doorbell) "context %" PRIx64 " tail %x offset %d busy %d doorbell %x"
-megasas_handle_frame(const char *cmd, uint64_t addr, uint64_t context, uint32_t count) "MFI cmd %s addr %" PRIx64 " context %" PRIx64 " count %d"
 megasas_frame_busy(uint64_t addr) "frame %" PRIx64 " busy"
 megasas_unhandled_frame_cmd(int cmd, uint8_t frame_cmd) "scmd %d: Unhandled MFI cmd %x"
 megasas_handle_scsi(const char *frame, int bus, int dev, int lun, void *sdev, unsigned long size) "%s dev %x/%x/%x sdev %p xfer %lu"
@@ -644,8 +645,6 @@ megasas_io_write_start(int cmd, unsigned long lba, unsigned long count, unsigned
 megasas_io_complete(int cmd, uint32_t len) "scmd %d: %d bytes completed"
 megasas_io_read(int cmd, int bytes, int len, unsigned long offset) "scmd %d: %d/%d bytes, iov offset %lu"
 megasas_io_write(int cmd, int bytes, int len, unsigned long offset) "scmd %d: %d/%d bytes, iov offset %lu"
-megasas_io_continue(int cmd, int bytes) "scmd %d: %d bytes left"
-megasas_iovec_map_failed(int cmd, int index, unsigned long iov_size) "scmd %d: iovec %d size %lu"
 megasas_iovec_sgl_overflow(int cmd, int index, int limit) "scmd %d: iovec count %d limit %d"
 megasas_iovec_sgl_underflow(int cmd, int index) "scmd %d: iovec count %d"
 megasas_iovec_sgl_invalid(int cmd, int index, uint64_t pa, uint32_t len) "scmd %d: element %d pa %" PRIx64 " len %u"
@@ -660,7 +659,6 @@ megasas_dcmd_internal_invalid(int cmd, int opcode) "scmd %d: Invalid internal DC
 megasas_dcmd_unhandled(int cmd, int opcode, int len) "scmd %d: opcode %x, len %d"
 megasas_dcmd_zero_sge(int cmd) "scmd %d: zero DCMD sge count"
 megasas_dcmd_invalid_sge(int cmd, int count) "scmd %d: invalid DCMD sge count %d"
-megasas_dcmd_map_failed(int cmd) "scmd %d: Failed to map DCMD buffer"
 megasas_dcmd_invalid_xfer_len(int cmd, unsigned long size, unsigned long max) "scmd %d: invalid xfer len %ld, max %ld"
 megasas_dcmd_enter(int cmd, const char *dcmd, int len) "scmd %d: DCMD %s len %d"
 megasas_dcmd_dummy(int cmd, unsigned long size) "scmd %d: DCMD dummy xfer len %ld"
@@ -686,7 +684,7 @@ megasas_mmio_invalid_readl(unsigned long addr) "addr 0x%lx"
 megasas_mmio_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x"
 megasas_mmio_invalid_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x"
 
-# hw/milkymist-ac97.c
+# hw/audio/milkymist-ac97.c
 milkymist_ac97_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_ac97_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_ac97_pulse_irq_crrequest(void) "Pulse IRQ CR request"
@@ -698,15 +696,15 @@ milkymist_ac97_in_cb_transferred(int transferred) "transferred %d"
 milkymist_ac97_out_cb(int free, uint32_t remaining) "free %d remaining %u"
 milkymist_ac97_out_cb_transferred(int transferred) "transferred %d"
 
-# hw/milkymist-hpdmc.c
+# hw/misc/milkymist-hpdmc.c
 milkymist_hpdmc_memory_read(uint32_t addr, uint32_t value) "addr=%08x value=%08x"
 milkymist_hpdmc_memory_write(uint32_t addr, uint32_t value) "addr=%08x value=%08x"
 
-# hw/milkymist-memcard.c
+# hw/sd/milkymist-memcard.c
 milkymist_memcard_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_memcard_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 
-# hw/milkymist-minimac2.c
+# hw/net/milkymist-minimac2.c
 milkymist_minimac2_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_minimac2_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_minimac2_mdio_write(uint8_t phy_addr, uint8_t addr, uint16_t value) "phy_addr %02x addr %02x value %04x"
@@ -719,21 +717,20 @@ milkymist_minimac2_raise_irq_rx(void) "Raise IRQ RX"
 milkymist_minimac2_lower_irq_rx(void) "Lower IRQ RX"
 milkymist_minimac2_pulse_irq_tx(void) "Pulse IRQ TX"
 
-# hw/milkymist-pfpu.c
+# hw/misc/milkymist-pfpu.c
 milkymist_pfpu_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_pfpu_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_pfpu_vectout(uint32_t a, uint32_t b, uint32_t dma_ptr) "a %08x b %08x dma_ptr %08x"
 milkymist_pfpu_pulse_irq(void) "Pulse IRQ"
 
-# hw/milkymist-softusb.c
+# hw/input/milkymist-softusb.c
 milkymist_softusb_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_softusb_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_softusb_mevt(uint8_t m) "m %d"
 milkymist_softusb_kevt(uint8_t m) "m %d"
-milkymist_softusb_mouse_event(int dx, int dy, int dz, int bs) "dx %d dy %d dz %d bs %02x"
 milkymist_softusb_pulse_irq(void) "Pulse IRQ"
 
-# hw/milkymist-sysctl.c
+# hw/timer/milkymist-sysctl.c
 milkymist_sysctl_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_sysctl_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_sysctl_icap_write(uint32_t value) "value %08x"
@@ -744,30 +741,30 @@ milkymist_sysctl_stop_timer1(void) "Stop timer1"
 milkymist_sysctl_pulse_irq_timer0(void) "Pulse IRQ Timer0"
 milkymist_sysctl_pulse_irq_timer1(void) "Pulse IRQ Timer1"
 
-# hw/milkymist-tmu2.c
+# hw/display/milkymist-tmu2.c
 milkymist_tmu2_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_tmu2_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_tmu2_start(void) "Start TMU"
 milkymist_tmu2_pulse_irq(void) "Pulse IRQ"
 
-# hw/milkymist-uart.c
+# hw/char/milkymist-uart.c
 milkymist_uart_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_uart_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_uart_raise_irq(void) "Raise IRQ"
 milkymist_uart_lower_irq(void) "Lower IRQ"
 
-# hw/milkymist-vgafb.c
+# hw/display/milkymist-vgafb.c
 milkymist_vgafb_memory_read(uint32_t addr, uint32_t value) "addr %08x value %08x"
 milkymist_vgafb_memory_write(uint32_t addr, uint32_t value) "addr %08x value %08x"
 
-# hw/mipsnet.c
+# hw/net/mipsnet.c
 mipsnet_send(uint32_t size) "sending len=%u"
 mipsnet_receive(uint32_t size) "receiving len=%u"
 mipsnet_read(uint64_t addr, uint32_t val) "read addr=0x%" PRIx64 " val=0x%x"
 mipsnet_write(uint64_t addr, uint64_t val) "write addr=0x%" PRIx64 " val=0x%" PRIx64 ""
 mipsnet_irq(uint32_t isr, uint32_t intctl) "set irq to %d (%02x)"
 
-# hw/pc87312.c
+# hw/isa/pc87312.c
 pc87312_io_read(uint32_t addr, uint32_t val) "read addr=%x val=%x"
 pc87312_io_write(uint32_t addr, uint32_t val) "write addr=%x val=%x"
 pc87312_info_floppy(uint32_t base) "base 0x%x"
@@ -818,10 +815,8 @@ xen_client_set_memory(uint64_t start_addr, unsigned long size, bool log_dirty) "
 xen_map_cache(uint64_t phys_addr) "want %#"PRIx64
 xen_remap_bucket(uint64_t index) "index %#"PRIx64
 xen_map_cache_return(void* ptr) "%p"
-xen_map_block(uint64_t phys_addr, uint64_t size) "%#"PRIx64", size %#"PRIx64
-xen_unmap_block(void* addr, unsigned long size) "%p, size %#lx"
 
-# hw/xen_platform.c
+# hw/xen/xen_platform.c
 xen_platform_log(char *s) "xen platform: %s"
 
 # qemu-coroutine.c
@@ -837,7 +832,7 @@ qemu_co_mutex_lock_return(void *mutex, void *self) "mutex %p self %p"
 qemu_co_mutex_unlock_entry(void *mutex, void *self) "mutex %p self %p"
 qemu_co_mutex_unlock_return(void *mutex, void *self) "mutex %p self %p"
 
-# hw/escc.c
+# hw/char/escc.c
 escc_put_queue(char channel, int b) "channel %c put: 0x%02x"
 escc_get_queue(char channel, int val) "channel %c get 0x%02x"
 escc_update_irq(int irq) "IRQ = %d"
@@ -858,7 +853,7 @@ iscsi_aio_writev(void *iscsi, int64_t sector_num, int nb_sectors, void *opaque,
 iscsi_aio_read16_cb(void *iscsi, int status, void *acb, int canceled) "iscsi %p status %d acb %p canceled %d"
 iscsi_aio_readv(void *iscsi, int64_t sector_num, int nb_sectors, void *opaque, void *acb) "iscsi %p sector_num %"PRId64" nb_sectors %d opaque %p acb %p"
 
-# hw/esp.c
+# hw/scsi/esp.c
 esp_error_fifo_overrun(void) "FIFO overrun"
 esp_error_unhandled_command(uint32_t val) "unhandled command (%2.2x)"
 esp_error_invalid_write(uint32_t val, uint32_t addr) "invalid write of 0x%02x at [0x%x]"
@@ -893,6 +888,8 @@ esp_mem_writeb_cmd_selatn(uint32_t val) "Select with ATN (%2.2x)"
 esp_mem_writeb_cmd_selatns(uint32_t val) "Select with ATN & stop (%2.2x)"
 esp_mem_writeb_cmd_ensel(uint32_t val) "Enable selection (%2.2x)"
 esp_mem_writeb_cmd_dissel(uint32_t val) "Disable selection (%2.2x)"
+
+# hw/scsi/esp-pci.c
 esp_pci_error_invalid_dma_direction(void) "invalid DMA transfer direction"
 esp_pci_error_invalid_read(uint32_t reg) "read access outside bounds (reg 0x%x)"
 esp_pci_error_invalid_write(uint32_t reg) "write access outside bounds (reg 0x%x)"
@@ -915,7 +912,7 @@ monitor_protocol_event_emit(uint32_t event, void *data) "event=%d data=%p"
 monitor_protocol_event_queue(uint32_t event, void *data, uint64_t rate, uint64_t last, uint64_t now) "event=%d data=%p rate=%" PRId64 " last=%" PRId64 " now=%" PRId64
 monitor_protocol_event_throttle(uint32_t event, uint64_t rate) "event=%d rate=%" PRId64
 
-# hw/opencores_eth.c
+# hw/net/opencores_eth.c
 open_eth_mii_write(unsigned idx, uint16_t v) "MII[%02x] <- %04x"
 open_eth_mii_read(unsigned idx, uint16_t v) "MII[%02x] -> %04x"
 open_eth_update_irq(uint32_t v) "IRQ <- %x"
@@ -985,10 +982,12 @@ mmu_helper_get_phys_addr_code(uint32_t tl, int mmu_idx, uint64_t prim_context, u
 mmu_helper_get_phys_addr_data(uint32_t tl, int mmu_idx, uint64_t prim_context, uint64_t sec_context, uint64_t address) "tl=%d mmu_idx=%d primary context=%"PRIx64" secondary context=%"PRIx64" address=%"PRIx64""
 mmu_helper_mmu_fault(uint64_t address, uint64_t paddr, int mmu_idx, uint32_t tl, uint64_t prim_context, uint64_t sec_context) "Translate at %"PRIx64" -> %"PRIx64", mmu_idx=%d tl=%d primary context=%"PRIx64" secondary context=%"PRIx64""
 
-# target-sparc/int_helper.c
+# target-sparc/int64_helper.c
 int_helper_set_softint(uint32_t softint) "new %08x"
 int_helper_clear_softint(uint32_t softint) "new %08x"
 int_helper_write_softint(uint32_t softint) "new %08x"
+
+# target-sparc/int32_helper.c
 int_helper_icache_freeze(void) "Instruction cache: freeze"
 int_helper_dcache_freeze(void) "Data cache: freeze"
 
@@ -1007,7 +1006,7 @@ dma_complete(void *dbs, int ret, void *cb) "dbs=%p ret=%d cb=%p"
 dma_bdrv_cb(void *dbs, int ret) "dbs=%p ret=%d"
 dma_map_wait(void *dbs) "dbs=%p"
 
-# console.h
+# ui/console.c
 console_gfx_new(void) ""
 console_txt_new(int w, int h) "%dx%d"
 console_select(int nr) "%d"
@@ -1017,9 +1016,9 @@ displaysurface_create_from(void *display_surface, int w, int h, int bpp, int swa
 displaysurface_free(void *display_surface) "surface=%p"
 displaychangelistener_register(void *dcl, const char *name) "%p [ %s ]"
 displaychangelistener_unregister(void *dcl, const char *name) "%p [ %s ]"
-
-# vga.c
 ppm_save(const char *filename, void *display_surface) "%s surface=%p"
+
+# hw/display/vmware_vga.c
 vmware_value_read(uint32_t index, uint32_t value) "index %d, value 0x%x"
 vmware_value_write(uint32_t index, uint32_t value) "index %d, value 0x%x"
 vmware_palette_read(uint32_t index, uint32_t value) "index %d, value 0x%x"
@@ -1029,7 +1028,6 @@ vmware_scratch_write(uint32_t index, uint32_t value) "index %d, value 0x%x"
 vmware_setmode(uint32_t w, uint32_t h, uint32_t bpp) "%dx%d @ %d bpp"
 
 # savevm.c
-
 savevm_section_start(void) ""
 savevm_section_end(unsigned int section_id) "section_id %u"
 
@@ -1038,7 +1036,7 @@ migration_bitmap_sync_start(void) ""
 migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64""
 migration_throttle(void) ""
 
-# hw/qxl.c
+# hw/display/qxl.c
 disable qxl_interface_set_mm_time(int qid, uint32_t mm_time) "%d %d"
 disable qxl_io_write_vga(int qid, const char *mode, uint32_t addr, uint32_t val) "%d %s addr=%u val=%u"
 qxl_create_guest_primary(int qid, uint32_t width, uint32_t height, uint64_t mem, uint32_t format, uint32_t position) "%d %ux%u mem=%" PRIx64 " %u,%u"
@@ -1076,14 +1074,6 @@ qxl_ring_res_push_rest(int qid, uint32_t ring_has, uint32_t ring_size, uint32_t
 qxl_ring_res_put(int qid, uint32_t free_res) "%d #res=%d"
 qxl_set_mode(int qid, int modenr, uint32_t x_res, uint32_t y_res, uint32_t bits, uint64_t devmem) "%d mode=%d [ x=%d y=%d @ bpp=%d devmem=0x%" PRIx64 " ]"
 qxl_soft_reset(int qid) "%d"
-qemu_spice_add_memslot(int qid, uint32_t slot_id, unsigned long virt_start, unsigned long virt_end, int async) "%d %u: host virt 0x%lx - 0x%lx async=%d"
-qemu_spice_del_memslot(int qid, uint32_t gid, uint32_t slot_id) "%d gid=%u sid=%u"
-qemu_spice_create_primary_surface(int qid, uint32_t sid, void *surface, int async) "%d sid=%u surface=%p async=%d"
-qemu_spice_destroy_primary_surface(int qid, uint32_t sid, int async) "%d sid=%u async=%d"
-qemu_spice_wakeup(uint32_t qid) "%d"
-qemu_spice_start(uint32_t qid) "%d"
-qemu_spice_stop(uint32_t qid) "%d"
-qemu_spice_create_update(uint32_t left, uint32_t right, uint32_t top, uint32_t bottom) "lr %d -> %d,  tb -> %d -> %d"
 qxl_spice_destroy_surfaces_complete(int qid) "%d"
 qxl_spice_destroy_surfaces(int qid, int async) "%d async=%d"
 qxl_spice_destroy_surface_wait_complete(int qid, uint32_t id) "%d sid=%d"
@@ -1108,13 +1098,21 @@ qxl_client_monitors_config_capped(int qid, int requested, int limit) "%d %d %d"
 qxl_client_monitors_config_crc(int qid, unsigned size, uint32_t crc32) "%d %u %u"
 qxl_set_client_capabilities_unsupported_by_revision(int qid, int revision) "%d revision=%d"
 
-# hw/qxl-render.c
+# ui/spice-display.c
+qemu_spice_add_memslot(int qid, uint32_t slot_id, unsigned long virt_start, unsigned long virt_end, int async) "%d %u: host virt 0x%lx - 0x%lx async=%d"
+qemu_spice_del_memslot(int qid, uint32_t gid, uint32_t slot_id) "%d gid=%u sid=%u"
+qemu_spice_create_primary_surface(int qid, uint32_t sid, void *surface, int async) "%d sid=%u surface=%p async=%d"
+qemu_spice_destroy_primary_surface(int qid, uint32_t sid, int async) "%d sid=%u async=%d"
+qemu_spice_wakeup(uint32_t qid) "%d"
+qemu_spice_create_update(uint32_t left, uint32_t right, uint32_t top, uint32_t bottom) "lr %d -> %d,  tb -> %d -> %d"
+
+# hw/display/qxl-render.c
 qxl_render_blit_guest_primary_initialized(void) ""
 qxl_render_blit(int32_t stride, int32_t left, int32_t right, int32_t top, int32_t bottom) "stride=%d [%d, %d, %d, %d]"
 qxl_render_guest_primary_resized(int32_t width, int32_t height, int32_t stride, int32_t bytes_pp, int32_t bits_pp) "%dx%d, stride %d, bpp %d, depth %d"
 qxl_render_update_area_done(void *cookie) "%p"
 
-# hw/spapr_pci.c
+# hw/ppc/spapr_pci.c
 spapr_pci_msi(const char *msg, uint32_t n, uint32_t ca) "%s (device#%d, cfg=%x)"
 spapr_pci_msi_setup(const char *name, unsigned vector, uint64_t addr) "dev\"%s\" vector %u, addr=%"PRIx64
 spapr_pci_rtas_ibm_change_msi(unsigned func, unsigned req) "func %u, requested %u"
@@ -1122,7 +1120,7 @@ spapr_pci_rtas_ibm_query_interrupt_source_number(unsigned ioa, unsigned intr) "q
 spapr_pci_msi_write(uint64_t addr, uint64_t data, uint32_t dt_irq) "@%"PRIx64"<=%"PRIx64" IRQ %u"
 spapr_pci_lsi_set(const char *busname, int pin, uint32_t irq) "%s PIN%d IRQ %u"
 
-# hw/xics.c
+# hw/ppc/xics.c
 xics_icp_check_ipi(int server, uint8_t mfrr) "CPU %d can take IPI mfrr=%#x"
 xics_icp_accept(uint32_t old_xirr, uint32_t new_xirr) "icp_accept: XIRR %#"PRIx32"->%#"PRIx32
 xics_icp_eoi(int server, uint32_t xirr, uint32_t new_xirr) "icp_eoi: server %d given XIRR %#"PRIx32" new XIRR %#"PRIx32
@@ -1135,7 +1133,7 @@ xics_ics_write_xive(int nr, int srcno, int server, uint8_t priority) "ics_write_
 xics_ics_reject(int nr, int srcno) "reject irq %#x [src %d]"
 xics_ics_eoi(int nr) "ics_eoi: irq %#x"
 
-# hbitmap.c
+# util/hbitmap.c
 hbitmap_iter_skip_words(const void *hb, void *hbi, uint64_t pos, unsigned long cur) "hb %p hbi %p pos %"PRId64" cur 0x%lx"
 hbitmap_reset(void *hb, uint64_t start, uint64_t count, uint64_t sbit, uint64_t ebit) "hb %p items %"PRIu64",%"PRIu64" bits %"PRIu64"..%"PRIu64
 hbitmap_set(void *hb, uint64_t start, uint64_t count, uint64_t sbit, uint64_t ebit) "hb %p items %"PRIu64",%"PRIu64" bits %"PRIu64"..%"PRIu64