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virtio-blk: switch off scsi-passthrough by default

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Devices that are compliant with virtio-1 do not support scsi
passthrough any more (and it has not been a recommended setup
anyway for quite some time). To avoid having to switch it off
explicitly in newer qemus that turn on virtio-1 by default, let's
switch the default to scsi=false for 2.5.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1444991154-79217-4-git-send-email-cornelia.huck@de.ibm.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Cornelia Huck 2015-10-16 12:25:54 +02:00 committed by Stefan Hajnoczi
parent 80fd50f96b
commit ed65fd1a27
2 changed files with 6 additions and 2 deletions
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2
hw/block/virtio-blk.c
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@ -972,7 +972,7 @@ static Property virtio_blk_properties[] = {
DEFINE_PROP_STRING("serial", VirtIOBlock, conf.serial), DEFINE_PROP_STRING("serial", VirtIOBlock, conf.serial),
DEFINE_PROP_BIT("config-wce", VirtIOBlock, conf.config_wce, 0, true), DEFINE_PROP_BIT("config-wce", VirtIOBlock, conf.config_wce, 0, true),
#ifdef __linux__ #ifdef __linux__
DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, true), DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, false),
#endif #endif
DEFINE_PROP_BIT("request-merging", VirtIOBlock, conf.request_merging, 0, DEFINE_PROP_BIT("request-merging", VirtIOBlock, conf.request_merging, 0,
true), true),

6
include/hw/compat.h
View File

@ -2,7 +2,11 @@
#define HW_COMPAT_H #define HW_COMPAT_H
#define HW_COMPAT_2_4 \ #define HW_COMPAT_2_4 \
/* empty */ {\
.driver = "virtio-blk-device",\
.property = "scsi",\
.value = "true",\
},
#define HW_COMPAT_2_3 \ #define HW_COMPAT_2_3 \
{\ {\