[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v2] libs/light: pass some infos to qemu
Pass bridge name to qemu as command line option When starting qemu, set an environnement variable XEN_DOMAIN_ID, to be used by qemu helper scripts The only functional difference of using the br parameter is that the bridge name gets passed to the QEMU script. NetBSD doesn't have the ioctl to rename network interfaces implemented, and thus cannot rename the interface from tapX to vifX.Y-emu. Only qemu knowns the tap interface name, so we need to use the qemu script from qemu itself. Signed-off-by: Manuel Bouyer <bouyer@xxxxxxxxxx> --- tools/libs/light/libxl_dm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/libs/light/libxl_dm.c b/tools/libs/light/libxl_dm.c index 3da83259c0..13f79ec471 100644 --- a/tools/libs/light/libxl_dm.c +++ b/tools/libs/light/libxl_dm.c @@ -761,6 +761,8 @@ static int libxl__build_device_model_args_old(libxl__gc *gc, int nr_set_cpus = 0; char *s; + flexarray_append_pair(dm_envs, "XEN_DOMAIN_ID", GCSPRINTF("%d", domid)); + if (b_info->kernel) { LOGD(ERROR, domid, "HVM direct kernel boot is not supported by " "qemu-xen-traditional"); @@ -1547,8 +1549,10 @@ static int libxl__build_device_model_args_new(libxl__gc *gc, flexarray_append(dm_args, "-netdev"); flexarray_append(dm_args, GCSPRINTF("type=tap,id=net%d,ifname=%s," + "br=%s," "script=%s,downscript=%s", nics[i].devid, ifname, + nics[i].bridge, libxl_tapif_script(gc), libxl_tapif_script(gc))); @@ -1825,6 +1829,8 @@ static int libxl__build_device_model_args_new(libxl__gc *gc, flexarray_append(dm_args, GCSPRINTF("%"PRId64, ram_size)); if (b_info->type == LIBXL_DOMAIN_TYPE_HVM) { + flexarray_append_pair(dm_envs, "XEN_DOMAIN_ID", GCSPRINTF("%d", guest_domid)); + if (b_info->u.hvm.hdtype == LIBXL_HDTYPE_AHCI) flexarray_append_pair(dm_args, "-device", "ahci,id=ahci0"); for (i = 0; i < num_disks; i++) { -- 2.29.2
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