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hw: Default -drive to if=none instead of scsi when scsi cannot work 

Block backends defined with -drive if=scsi are meant to be picked up
by machine initialization code: a suitable frontend gets created and
wired up automatically.

if=scsi drives not picked up that way can still be used with -device
as if they had if=none, but that's unclean and best avoided.  Unused
ones produce an "Orphaned drive without device" warning.

A few machine types default to if=scsi, even though they don't
actually have a SCSI HBA.  This makes no sense.  Change their default
to if=none.  Affected machines:

* aarch64/arm: realview-pbx-a9 vexpress-a9 vexpress-a15 xilinx-zynq-a9

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Alistair Francis <alistair.francis@xilinx.com>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <1487153147-11530-5-git-send-email-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-02-15 11:05:43 +01:00
parent a27fa28f03
commit 7e465513c1
3 changed files with 0 additions and 3 deletions
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1
hw/arm/realview.c
View File

@ -443,7 +443,6 @@ static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
mc->init = realview_pbx_a9_init;
mc->block_default_type = IF_SCSI;
mc->max_cpus = 4;
}

1
hw/arm/vexpress.c
View File

@ -752,7 +752,6 @@ static void vexpress_class_init(ObjectClass *oc, void *data)
mc->desc = "ARM Versatile Express";
mc->init = vexpress_common_init;
mc->block_default_type = IF_SCSI;
mc->max_cpus = 4;
}

1
hw/arm/xilinx_zynq.c
View File

@ -323,7 +323,6 @@ static void zynq_machine_init(MachineClass *mc)
{
mc->desc = "Xilinx Zynq Platform Baseboard for Cortex-A9";
mc->init = zynq_init;
mc->block_default_type = IF_SCSI;
mc->max_cpus = 1;
mc->no_sdcard = 1;
}