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raw-posix: Deprecate host floppy passthrough
Raise your hand if you have a physical floppy drive in a computer you've powered on in 2015. Okay, I see we got a few weirdos in the audience. That's okay, weirdos are welcome here. Kidding aside, media change detection doesn't fully work, isn't going to be fixed, and floppy passthrough just isn't earning its keep anymore. Deprecate block driver host_floppy now, so we can drop it after a grace period. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -2387,6 +2387,8 @@ static int floppy_open(BlockDriverState *bs, QDict *options, int flags,
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s->fd = -1;
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s->fd_media_changed = 1;
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error_report("Host floppy pass-through is deprecated");
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error_printf("Support for it will be removed in a future release.\n");
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return 0;
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}
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@ -218,6 +218,7 @@
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# 'host_floppy', 'http', 'https', 'nbd', 'parallels', 'qcow',
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# 'qcow2', 'raw', 'tftp', 'vdi', 'vmdk', 'vpc', 'vvfat'
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# 2.2: 'archipelago' added, 'cow' dropped
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# 2.3: 'host_floppy' deprecated
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#
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# @backing_file: #optional the name of the backing file (for copy-on-write)
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#
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@ -1245,6 +1246,7 @@
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# Drivers that are supported in block device operations.
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#
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# @host_device, @host_cdrom, @host_floppy: Since 2.1
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# @host_floppy: deprecated since 2.3
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#
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# Since: 2.0
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##
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@ -736,8 +736,7 @@ devices. We describe here the usage for QEMU version >= 0.8.3.
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On Linux, you can directly use the host device filename instead of a
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disk image filename provided you have enough privileges to access
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it. For example, use @file{/dev/cdrom} to access to the CDROM or
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@file{/dev/fd0} for the floppy.
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it. For example, use @file{/dev/cdrom} to access to the CDROM.
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@table @code
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@item CD
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@ -749,6 +748,8 @@ You can specify a floppy device even if no floppy is loaded. Floppy
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removal is currently not detected accurately (if you change floppy
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without doing floppy access while the floppy is not loaded, the guest
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OS will think that the same floppy is loaded).
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Use of the host's floppy device is deprecated, and support for it will
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be removed in a future release.
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@item Hard disks
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Hard disks can be used. Normally you must specify the whole disk
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(@file{/dev/hdb} instead of @file{/dev/hdb1}) so that the guest OS can
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@ -419,8 +419,7 @@ STEXI
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@item -fdb @var{file}
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@findex -fda
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@findex -fdb
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Use @var{file} as floppy disk 0/1 image (@pxref{disk_images}). You can
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use the host floppy by using @file{/dev/fd0} as filename (@pxref{host_drives}).
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Use @var{file} as floppy disk 0/1 image (@pxref{disk_images}).
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ETEXI
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DEF("hda", HAS_ARG, QEMU_OPTION_hda,
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@ -2154,7 +2154,7 @@ Each json-object contain the following:
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- "drv": driver format name (json-string)
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- Possible values: "blkdebug", "bochs", "cloop", "dmg",
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"file", "file", "ftp", "ftps", "host_cdrom",
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"host_device", "host_floppy", "http", "https",
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"host_device", "http", "https",
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"nbd", "parallels", "qcow", "qcow2", "raw",
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"tftp", "vdi", "vmdk", "vpc", "vvfat"
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- "backing_file": backing file name (json-string, optional)
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