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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
Download patch file Download diff file Expand all files Collapse all files

8
hw/sd/omap_mmc.c
View file

@ -574,7 +574,7 @@ static void omap_mmc_cover_cb(void *opaque, int line, int level)
struct omap_mmc_s *omap_mmc_init(hwaddr base,
MemoryRegion *sysmem,
BlockDriverState *bd,
BlockBackend *blk,
qemu_irq irq, qemu_irq dma[], omap_clk clk)
{
struct omap_mmc_s *s = (struct omap_mmc_s *)
@ -592,7 +592,7 @@ struct omap_mmc_s *omap_mmc_init(hwaddr base,
memory_region_add_subregion(sysmem, base, &s->iomem);
/* Instantiate the storage */
s->card = sd_init(bd, false);
s->card = sd_init(blk, false);
if (s->card == NULL) {
exit(1);
}
@ -601,7 +601,7 @@ struct omap_mmc_s *omap_mmc_init(hwaddr base,
}
struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta,
BlockDriverState *bd, qemu_irq irq, qemu_irq dma[],
BlockBackend *blk, qemu_irq irq, qemu_irq dma[],
omap_clk fclk, omap_clk iclk)
{
struct omap_mmc_s *s = (struct omap_mmc_s *)
@ -620,7 +620,7 @@ struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta,
omap_l4_attach(ta, 0, &s->iomem);
/* Instantiate the storage */
s->card = sd_init(bd, false);
s->card = sd_init(blk, false);
if (s->card == NULL) {
exit(1);
}