From 0e49de5232f47c9e58adb82c28d4f42be933d891 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@redhat.com>
Date: Wed, 3 Aug 2011 15:07:41 +0200
Subject: block: Generalize change_cb() to BlockDevOps

So we can more easily add device model callbacks.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 hw/ide/core.c   | 6 +++++-
 hw/sd.c         | 6 +++++-
 hw/virtio-blk.c | 6 +++++-
 3 files changed, 15 insertions(+), 3 deletions(-)

(limited to 'hw')

diff --git a/hw/ide/core.c b/hw/ide/core.c
index 428f033876..26a9c5ba14 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1742,6 +1742,10 @@ void ide_bus_reset(IDEBus *bus)
     bus->dma->ops->reset(bus->dma);
 }
 
+static const BlockDevOps ide_cd_block_ops = {
+    .change_cb = cdrom_change_cb,
+};
+
 int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
                    const char *version, const char *serial)
 {
@@ -1776,7 +1780,7 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
     s->smart_errors = 0;
     s->smart_selftest_count = 0;
     if (kind == IDE_CD) {
-        bdrv_set_change_cb(bs, cdrom_change_cb, s);
+        bdrv_set_dev_ops(bs, &ide_cd_block_ops, s);
         bs->buffer_alignment = 2048;
     } else {
         if (!bdrv_is_inserted(s->bs)) {
diff --git a/hw/sd.c b/hw/sd.c
index ab52634ec3..1f00910eff 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -435,6 +435,10 @@ static void sd_cardchange(void *opaque, int reason)
     }
 }
 
+static const BlockDevOps sd_block_ops = {
+    .change_cb = sd_cardchange,
+};
+
 /* We do not model the chip select pin, so allow the board to select
    whether card should be in SSI or MMC/SD mode.  It is also up to the
    board to ensure that ssi transfers only occur when the chip select
@@ -450,7 +454,7 @@ SDState *sd_init(BlockDriverState *bs, int is_spi)
     sd_reset(sd, bs);
     if (sd->bdrv) {
         bdrv_attach_dev_nofail(sd->bdrv, sd);
-        bdrv_set_change_cb(sd->bdrv, sd_cardchange, sd);
+        bdrv_set_dev_ops(sd->bdrv, &sd_block_ops, sd);
     }
     return sd;
 }
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 2a8ccd0aa9..c10afa9962 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -552,6 +552,10 @@ static void virtio_blk_change_cb(void *opaque, int reason)
     }
 }
 
+static const BlockDevOps virtio_block_ops = {
+    .change_cb = virtio_blk_change_cb,
+};
+
 VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
                               char **serial)
 {
@@ -598,7 +602,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
     register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
                     virtio_blk_save, virtio_blk_load, s);
     bdrv_set_removable(s->bs, 0);
-    bdrv_set_change_cb(s->bs, virtio_blk_change_cb, s);
+    bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
     s->bs->buffer_alignment = conf->logical_block_size;
 
     add_boot_device_path(conf->bootindex, dev, "/disk@0,0");
-- 
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