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Revision 191bc01b

ID191bc01bc970bd1e86f34ddeab896b2b27fd5124

Added by Gerd Hoffmann over 14 years ago

switch chardev to QemuOpts: infrastructure, null device

start switching chardevs to QemuOpts. This patch adds the
infrastructure and converts the null device.

The patch brings two new functions:

qemu_chr_open_opts()
same as qemu_chr_open(), but uses QemuOpts instead of a
option char string.

qemu_chr_parse_compat()
accepts a traditional chardev option string, returns the
corresponding QemuOpts instance, to handle backward
compatibility.

The patch also adds a new -chardev switch which can be used to create
named+unconnected chardevs, like this:

-chardev null,id=test

This uses the new qemu_chr_open_opts. Thus with this patch alone only
the null device works. The other devices will follow ...

Signed-off-by: Gerd Hoffmann <>
Signed-off-by: Anthony Liguori <>

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