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hw: Convert from BlockDriverState to BlockBackend, mostly

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Device models should access their block backends only through the
block-backend.h API.  Convert them, and drop direct includes of
inappropriate headers.

Just four uses of BlockDriverState are left:

* The Xen paravirtual block device backend (xen_disk.c) opens images
  itself when set up via xenbus, bypassing blockdev.c.  I figure it
  should go through qmp_blockdev_add() instead.

* Device model "usb-storage" prompts for keys.  No other device model
  does, and this one probably shouldn't do it, either.

* ide_issue_trim_cb() uses bdrv_aio_discard() instead of
  blk_aio_discard() because it fishes its backend out of a BlockAIOCB,
  which has only the BlockDriverState.

* PC87312State has an unused BlockDriverState[] member.

The next two commits take care of the latter two.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:18 +02:00 • committed by Kevin Wolf
parent 2a30307f70
commit 4be746345f
110 changed files with 1127 additions and 798 deletions
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3
hw/arm/nseries.c
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@ -32,7 +32,6 @@
#include "hw/bt.h"
#include "hw/loader.h"
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h"
#include "hw/sysbus.h"
#include "exec/address-spaces.h"
@ -175,7 +174,7 @@ static void n8x0_nand_setup(struct n800_s *s)
dinfo = drive_get(IF_MTD, 0, 0);
if (dinfo) {
qdev_prop_set_drive_nofail(s->nand, "drive",
blk_bs(blk_by_legacy_dinfo(dinfo)));
blk_by_legacy_dinfo(dinfo));
}
qdev_init_nofail(s->nand);
sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0,