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Anthony PERARD
1817e4c3c5
Starting with QEMU 9.0, the option "-chroot", that we use for the "dmrestrict" feature, is removed. We need to find out which to use between "-chroot" and "-run-with chroot=dir". This patch implement the machinery to spawn QEMU, and to run the QMP command "query-command-line-options" but doesn't yet look at the actual result. Whether or not to use "-run-with chroot=dir" will be implemented in a follow up patch. The command line used to spawn the qemu we want to probe is mostly similar to the one we already use for the device model, "-machine none" comes from libvirt. This patch implement the probing on qemu-xen, even if we probably not going to use the result. We could check the feature wanted for the domain being created, but this could get complicated fairly quickly. We already need to check the options "b_info->dm_restrict" for "-chroot" and "state->dm_runas" for "-runas" (which is deprecated). Signed-off-by: Anthony PERARD <anthony.perard@vates.tech> Reviewed-by: Jason Andryuk <jason.andryuk@amd.com>